/* ============================================================
   PREMIUM FLUTTER DEVELOPER PORTFOLIO — STYLESHEET
   Dark glassmorphism theme · Futuristic · Technical · Premium
   ============================================================ */

/* ─────────────────────────────────────────────────────────────
   0. GOOGLE FONTS IMPORT
   ───────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ─────────────────────────────────────────────────────────────
   1. DESIGN TOKENS — CUSTOM PROPERTIES
   ───────────────────────────────────────────────────────────── */
:root {
  /* ── Color Palette ── */
  --clr-bg-primary:       #0a0e1a;
  --clr-bg-darker:        #0d1224;
  --clr-bg-card:          rgba(13, 18, 36, 0.65);
  --clr-bg-card-hover:    rgba(18, 25, 50, 0.78);
  --clr-bg-glass:         rgba(255, 255, 255, 0.04);
  --clr-bg-glass-hover:   rgba(255, 255, 255, 0.07);
  --clr-bg-input:         rgba(255, 255, 255, 0.05);
  --clr-bg-input-focus:   rgba(255, 255, 255, 0.08);
  --clr-bg-overlay:       rgba(5, 7, 15, 0.88);
  --clr-bg-nav:           rgba(10, 14, 26, 0.72);
  --clr-bg-nav-scrolled:  rgba(10, 14, 26, 0.92);
  --clr-bg-footer:        #060912;

  --clr-accent-cyan:      #00d4ff;
  --clr-accent-blue:      #0066ff;
  --clr-accent-violet:    #7c3aed;
  --clr-accent-gold:      #ffd700;
  --clr-accent-cyan-dim:  rgba(0, 212, 255, 0.12);
  --clr-accent-blue-dim:  rgba(0, 102, 255, 0.10);
  --clr-accent-violet-dim:rgba(124, 58, 237, 0.10);

  --clr-text-primary:     #e8ecf4;
  --clr-text-secondary:   #94a3b8;
  --clr-text-muted:       #64748b;
  --clr-text-accent:      #00d4ff;
  --clr-text-heading:     #f1f5f9;
  --clr-text-on-accent:   #0a0e1a;

  --clr-border:           rgba(255, 255, 255, 0.08);
  --clr-border-hover:     rgba(255, 255, 255, 0.16);
  --clr-border-accent:    rgba(0, 212, 255, 0.25);
  --clr-border-input:     rgba(255, 255, 255, 0.10);
  --clr-border-input-focus: rgba(0, 212, 255, 0.45);

  --clr-success:          #22c55e;
  --clr-error:            #ef4444;
  --clr-warning:          #f59e0b;

  /* ── Gradients ── */
  --grad-primary:         linear-gradient(135deg, var(--clr-accent-cyan), var(--clr-accent-blue));
  --grad-primary-reverse: linear-gradient(135deg, var(--clr-accent-blue), var(--clr-accent-cyan));
  --grad-hero:            linear-gradient(135deg, #0a0e1a 0%, #0d1224 30%, #0f1733 60%, #0a0e1a 100%);
  --grad-violet:          linear-gradient(135deg, var(--clr-accent-violet), var(--clr-accent-blue));
  --grad-gold:            linear-gradient(135deg, var(--clr-accent-gold), #ff9500);
  --grad-card-shine:      linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 50%, rgba(255,255,255,0.03) 100%);
  --grad-section-divider: linear-gradient(90deg, transparent, var(--clr-accent-cyan), transparent);
  --grad-border-chip:     linear-gradient(135deg, rgba(0,212,255,0.35), rgba(0,102,255,0.15), rgba(124,58,237,0.25));
  --grad-text:            linear-gradient(135deg, var(--clr-accent-cyan), var(--clr-accent-blue), var(--clr-accent-violet));
  --grad-timeline:        linear-gradient(180deg, var(--clr-accent-cyan), var(--clr-accent-blue), var(--clr-accent-violet));

  /* ── Spacing (4px base) ── */
  --sp-1:   4px;
  --sp-2:   8px;
  --sp-3:   12px;
  --sp-4:   16px;
  --sp-5:   20px;
  --sp-6:   24px;
  --sp-7:   28px;
  --sp-8:   32px;
  --sp-9:   36px;
  --sp-10:  40px;
  --sp-12:  48px;
  --sp-14:  56px;
  --sp-16:  64px;
  --sp-20:  80px;
  --sp-24:  96px;
  --sp-32:  128px;

  /* ── Typography ── */
  --ff-heading:  'Outfit', sans-serif;
  --ff-body:     'Inter', system-ui, -apple-system, sans-serif;

  --fs-xs:    0.75rem;    /* 12px */
  --fs-sm:    0.8125rem;  /* 13px */
  --fs-base:  0.9375rem;  /* 15px */
  --fs-md:    1rem;       /* 16px */
  --fs-lg:    1.125rem;   /* 18px */
  --fs-xl:    1.25rem;    /* 20px */
  --fs-2xl:   1.5rem;     /* 24px */
  --fs-3xl:   1.875rem;   /* 30px */
  --fs-4xl:   2.25rem;    /* 36px */
  --fs-5xl:   3rem;       /* 48px */
  --fs-6xl:   3.75rem;    /* 60px */
  --fs-7xl:   4.5rem;     /* 72px */
  --fs-display: clamp(2.5rem, 5vw + 1rem, 5rem);

  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;

  --lh-tight:   1.2;
  --lh-snug:    1.35;
  --lh-normal:  1.6;
  --lh-relaxed: 1.8;

  --ls-tight:   -0.02em;
  --ls-normal:  0;
  --ls-wide:    0.04em;
  --ls-wider:   0.08em;
  --ls-widest:  0.14em;

  /* ── Border Radius ── */
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --radius-xl:    20px;
  --radius-2xl:   24px;
  --radius-full:  9999px;

  /* ── Shadows ── */
  --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md:      0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg:      0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl:      0 16px 48px rgba(0, 0, 0, 0.35);
  --shadow-glass:   0 8px 32px rgba(0, 0, 0, 0.12), inset 0 0 0 1px rgba(255,255,255,0.05);
  --shadow-glow-cyan:   0 0 20px rgba(0, 212, 255, 0.15), 0 0 60px rgba(0, 212, 255, 0.05);
  --shadow-glow-blue:   0 0 20px rgba(0, 102, 255, 0.15), 0 0 60px rgba(0, 102, 255, 0.05);
  --shadow-glow-violet: 0 0 20px rgba(124, 58, 237, 0.15), 0 0 60px rgba(124, 58, 237, 0.05);
  --shadow-glow-gold:   0 0 16px rgba(255, 215, 0, 0.12);
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.05);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.08);
  --shadow-btn:     0 4px 14px rgba(0, 212, 255, 0.2);
  --shadow-btn-hover: 0 6px 24px rgba(0, 212, 255, 0.35);
  --shadow-input-focus: 0 0 0 3px rgba(0, 212, 255, 0.12);

  /* ── Transitions ── */
  --ease-smooth:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:     cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out-expo:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:     cubic-bezier(0.45, 0, 0.55, 1);

  --tr-fast:    150ms var(--ease-smooth);
  --tr-normal:  250ms var(--ease-smooth);
  --tr-smooth:  350ms var(--ease-smooth);
  --tr-slow:    500ms var(--ease-smooth);
  --tr-slower:  700ms var(--ease-out-expo);
  --tr-spring:  400ms var(--ease-bounce);

  /* ── Z-Indexes ── */
  --z-behind:     -1;
  --z-base:       1;
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-nav:        500;
  --z-overlay:    800;
  --z-modal:      900;
  --z-preloader:  9999;

  /* ── Layout ── */
  --container-max:   1280px;
  --container-wide:  1440px;
  --container-narrow: 900px;
  --nav-height:      70px;
  --section-py:      var(--sp-24);
}

/* ── Light Theme Override ── */
[data-theme='light'] {
  --clr-bg-primary:       #f0f4f8;
  --clr-bg-darker:        #e2e8f0;
  --clr-bg-card:          rgba(255, 255, 255, 0.70);
  --clr-bg-card-hover:    rgba(255, 255, 255, 0.85);
  --clr-bg-glass:         rgba(255, 255, 255, 0.50);
  --clr-bg-glass-hover:   rgba(255, 255, 255, 0.65);
  --clr-bg-input:         rgba(0, 0, 0, 0.04);
  --clr-bg-input-focus:   rgba(0, 0, 0, 0.06);
  --clr-bg-overlay:       rgba(240, 244, 248, 0.88);
  --clr-bg-nav:           rgba(240, 244, 248, 0.72);
  --clr-bg-nav-scrolled:  rgba(240, 244, 248, 0.94);
  --clr-bg-footer:        #e2e8f0;

  --clr-accent-cyan:      #0097b2;
  --clr-accent-blue:      #0055d4;
  --clr-accent-violet:    #6d28d9;
  --clr-accent-cyan-dim:  rgba(0, 151, 178, 0.10);
  --clr-accent-blue-dim:  rgba(0, 85, 212, 0.08);
  --clr-accent-violet-dim:rgba(109, 40, 217, 0.08);

  --clr-text-primary:     #1e293b;
  --clr-text-secondary:   #475569;
  --clr-text-muted:       #94a3b8;
  --clr-text-accent:      #0097b2;
  --clr-text-heading:     #0f172a;
  --clr-text-on-accent:   #ffffff;

  --clr-border:           rgba(0, 0, 0, 0.08);
  --clr-border-hover:     rgba(0, 0, 0, 0.14);
  --clr-border-accent:    rgba(0, 151, 178, 0.30);
  --clr-border-input:     rgba(0, 0, 0, 0.12);
  --clr-border-input-focus: rgba(0, 151, 178, 0.50);

  --grad-hero:            linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 30%, #dbeafe 60%, #f0f4f8 100%);
  --grad-card-shine:      linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 50%, rgba(255,255,255,0.4) 100%);

  --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:      0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg:      0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-xl:      0 16px 48px rgba(0, 0, 0, 0.12);
  --shadow-glass:   0 8px 32px rgba(0, 0, 0, 0.06), inset 0 0 0 1px rgba(255,255,255,0.60);
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255,255,255,0.70);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.10), inset 0 1px 0 rgba(255,255,255,0.80);
  --shadow-glow-cyan: 0 0 20px rgba(0, 151, 178, 0.12);
  --shadow-glow-blue: 0 0 20px rgba(0, 85, 212, 0.12);
}


/* ─────────────────────────────────────────────────────────────
   2. RESET & BASE
   ───────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--ff-body);
  font-weight: var(--fw-regular);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--clr-text-primary);
  background-color: var(--clr-bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--tr-fast);
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--clr-text-heading);
  letter-spacing: var(--ls-tight);
}


/* ─────────────────────────────────────────────────────────────
   3. SCROLLBAR
   ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--clr-bg-darker);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.18);
  border-radius: var(--radius-full);
  border: 2px solid var(--clr-bg-darker);
  transition: background var(--tr-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.35);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 212, 255, 0.18) var(--clr-bg-darker);
}


/* ─────────────────────────────────────────────────────────────
   4. ACCESSIBILITY UTILITIES
   ───────────────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--clr-accent-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--clr-accent-cyan);
  outline-offset: 3px;
}

::selection {
  background: rgba(0, 212, 255, 0.25);
  color: var(--clr-text-heading);
}


/* ─────────────────────────────────────────────────────────────
   5. LAYOUT UTILITIES
   ───────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  position: relative;
  padding-block: var(--section-py);
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--grad-section-divider);
  opacity: 0.4;
  margin-block: 0;
}


/* ─────────────────────────────────────────────────────────────
   6. SECTION HEADER
   ───────────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-accent-cyan);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  margin-bottom: var(--sp-4);
}

.section-header__label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 8px var(--clr-accent-cyan);
}

.section-header__title {
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
  font-weight: var(--fw-extrabold);
  margin-bottom: var(--sp-4);
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header__subtitle {
  font-size: var(--fs-lg);
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  line-height: var(--lh-relaxed);
}

.section-header__line {
  display: block;
  width: 60px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--grad-primary);
  margin: var(--sp-6) auto 0;
}


/* ─────────────────────────────────────────────────────────────
   7. GLASS CARD COMPONENT
   ───────────────────────────────────────────────────────────── */
.glass-card {
  background: var(--clr-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--tr-smooth),
    box-shadow var(--tr-smooth),
    border-color var(--tr-smooth),
    background var(--tr-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card-shine);
  pointer-events: none;
  border-radius: inherit;
  z-index: 0;
}

.glass-card:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.glass-card > * {
  position: relative;
  z-index: 1;
}

/* Inner glow variant */
.glass-card--glow::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: var(--grad-primary);
  opacity: 0.5;
  border-radius: var(--radius-full);
  z-index: 1;
}


/* ─────────────────────────────────────────────────────────────
   8. BUTTON SYSTEM
   ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    all var(--tr-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  border: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background: rgba(255, 255, 255, 0.1);
  transition: opacity var(--tr-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn i,
.btn svg {
  font-size: 1.1em;
}

/* Primary — gradient background */
.btn-primary {
  background: var(--grad-primary);
  color: var(--clr-text-on-accent);
  font-weight: var(--fw-semibold);
  box-shadow: var(--shadow-btn);
  padding: var(--sp-4) var(--sp-8);
}

.btn-primary:hover {
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

/* Secondary — outline */
.btn-secondary {
  background: transparent;
  color: var(--clr-accent-cyan);
  border: 1px solid var(--clr-accent-cyan);
  padding: var(--sp-4) var(--sp-8);
}

.btn-secondary:hover {
  background: var(--clr-accent-cyan-dim);
  border-color: var(--clr-accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-2px);
}

/* Ghost — transparent */
.btn-ghost {
  background: transparent;
  color: var(--clr-text-secondary);
  padding: var(--sp-3) var(--sp-5);
}

.btn-ghost:hover {
  color: var(--clr-text-primary);
  background: var(--clr-bg-glass);
}

/* Small button variant */
.btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  border-radius: var(--radius-sm);
}

/* Large button variant */
.btn-lg {
  padding: var(--sp-5) var(--sp-10);
  font-size: var(--fs-lg);
  border-radius: var(--radius-lg);
}

/* Icon-only button */
.btn-icon {
  padding: var(--sp-3);
  border-radius: var(--radius-md);
  aspect-ratio: 1;
}


/* ─────────────────────────────────────────────────────────────
   9. CHIPS / TAGS
   ───────────────────────────────────────────────────────────── */
.chip,
.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-full);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  transition: all var(--tr-fast);
  white-space: nowrap;
  position: relative;
}

.chip:hover,
.tech-chip:hover {
  color: var(--clr-accent-cyan);
  border-color: var(--clr-border-accent);
  background: var(--clr-accent-cyan-dim);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.08);
}

/* Gradient-border chip variant */
.chip--gradient {
  border: none;
  background:
    linear-gradient(var(--clr-bg-card), var(--clr-bg-card)) padding-box,
    var(--grad-border-chip) border-box;
  border: 1px solid transparent;
}

.chip--gradient:hover {
  background:
    linear-gradient(var(--clr-bg-card-hover), var(--clr-bg-card-hover)) padding-box,
    var(--grad-primary) border-box;
  box-shadow: var(--shadow-glow-cyan);
}

.chip i,
.tech-chip i {
  font-size: 0.85em;
  color: var(--clr-accent-cyan);
}


/* ─────────────────────────────────────────────────────────────
   10. COUNTER ITEM
   ───────────────────────────────────────────────────────────── */
.counter-item {
  text-align: center;
  padding: var(--sp-4);
}

.counter-item__number {
  font-family: var(--ff-heading);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.counter-item__label {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
}


/* ─────────────────────────────────────────────────────────────
   11. KEYFRAME ANIMATIONS
   ───────────────────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-10px); }
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(2deg); }
  50%      { transform: translateY(-14px) rotate(-1deg); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50%      { transform: translateY(-8px) rotate(1deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.10);
  }
  50% {
    box-shadow: 0 0 28px rgba(0, 212, 255, 0.25), 0 0 60px rgba(0, 212, 255, 0.08);
  }
}

@keyframes glow-subtle {
  0%, 100% {
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.05);
  }
  50% {
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.12);
  }
}

@keyframes typing-cursor {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(0, 212, 255, 0.15); }
  50%      { border-color: rgba(0, 212, 255, 0.40); }
}

@keyframes dash {
  to { stroke-dashoffset: 0; }
}


/* ─────────────────────────────────────────────────────────────
   12. SCROLL-REVEAL SYSTEM
   ───────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

.reveal--left {
  transform: translateX(-40px);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal--scale {
  transform: scale(0.92);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }
.reveal--delay-6 { transition-delay: 0.6s; }


/* ─────────────────────────────────────────────────────────────
   13. PRELOADER
   ───────────────────────────────────────────────────────────── */
.preloader {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--sp-6);
  background: var(--clr-bg-primary);
  z-index: var(--z-preloader);
  transition: opacity 0.6s var(--ease-smooth), visibility 0.6s;
}

.preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__initials {
  font-family: var(--ff-heading);
  font-size: var(--fs-5xl);
  font-weight: var(--fw-extrabold);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  animation: pulse 2s ease-in-out infinite;
}

.preloader__spinner {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent-cyan);
  animation: spin 0.9s linear infinite;
  position: absolute;
}

.preloader__bar {
  width: 120px;
  height: 3px;
  background: var(--clr-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.preloader__bar-fill {
  width: 0%;
  height: 100%;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s var(--ease-smooth);
}

.preloader__text {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}


/* ─────────────────────────────────────────────────────────────
   14. NAVBAR
   ───────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  background: var(--clr-bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    background var(--tr-smooth),
    border-color var(--tr-smooth),
    box-shadow var(--tr-smooth);
}

.navbar.scrolled {
  background: var(--clr-bg-nav-scrolled);
  border-bottom-color: var(--clr-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  z-index: calc(var(--z-nav) + 1);
}

.navbar__logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-heading);
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-lg);
  color: var(--clr-text-on-accent);
  box-shadow: var(--shadow-glow-cyan);
}

.navbar__logo-text {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
}

.navbar__logo-text span {
  color: var(--clr-accent-cyan);
}

/* Nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.navbar__link {
  position: relative;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  transition: color var(--tr-fast);
  border-radius: var(--radius-sm);
  letter-spacing: var(--ls-wide);
}

.navbar__link:hover {
  color: var(--clr-text-primary);
}

.navbar__link.active {
  color: var(--clr-accent-cyan);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 8px var(--clr-accent-cyan);
}

/* Nav actions (right side) */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  z-index: calc(var(--z-nav) + 1);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  font-size: var(--fs-lg);
  cursor: pointer;
  transition: all var(--tr-fast);
}

.theme-toggle:hover {
  color: var(--clr-accent-cyan);
  border-color: var(--clr-border-accent);
  background: var(--clr-accent-cyan-dim);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  cursor: pointer;
  gap: 5px;
  padding: 0;
  transition: all var(--tr-fast);
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--tr-normal);
  transform-origin: center;
}

.hamburger:hover {
  border-color: var(--clr-border-accent);
}

.hamburger:hover span {
  background: var(--clr-accent-cyan);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-nav) - 1);
  opacity: 0;
  transition: opacity var(--tr-smooth);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* Mobile menu panel */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  height: 100dvh;
  background: var(--clr-bg-darker);
  border-left: 1px solid var(--clr-border);
  z-index: var(--z-nav);
  flex-direction: column;
  padding: calc(var(--nav-height) + var(--sp-8)) var(--sp-8) var(--sp-8);
  transition: right var(--tr-slower);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--tr-fast);
  animation: slideDown 0.4s var(--ease-out-expo) both;
}

.mobile-menu__link:nth-child(1)  { animation-delay: 0.05s; }
.mobile-menu__link:nth-child(2)  { animation-delay: 0.10s; }
.mobile-menu__link:nth-child(3)  { animation-delay: 0.15s; }
.mobile-menu__link:nth-child(4)  { animation-delay: 0.20s; }
.mobile-menu__link:nth-child(5)  { animation-delay: 0.25s; }
.mobile-menu__link:nth-child(6)  { animation-delay: 0.30s; }
.mobile-menu__link:nth-child(7)  { animation-delay: 0.35s; }
.mobile-menu__link:nth-child(8)  { animation-delay: 0.40s; }
.mobile-menu__link:nth-child(9)  { animation-delay: 0.45s; }
.mobile-menu__link:nth-child(10) { animation-delay: 0.50s; }

.mobile-menu__link:hover,
.mobile-menu__link.active {
  color: var(--clr-accent-cyan);
  background: var(--clr-accent-cyan-dim);
}

.mobile-menu__link.active::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  box-shadow: 0 0 6px var(--clr-accent-cyan);
}

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
}

.mobile-menu__socials {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.mobile-menu__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  font-size: var(--fs-lg);
  transition: all var(--tr-fast);
}

.mobile-menu__socials a:hover {
  color: var(--clr-accent-cyan);
  border-color: var(--clr-border-accent);
  background: var(--clr-accent-cyan-dim);
}


/* ─────────────────────────────────────────────────────────────
   15. HERO SECTION
   ───────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
  background: var(--grad-hero);
  background-size: 200% 200%;
  animation: gradient-shift 15s ease infinite;
}

/* Canvas particle background */
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__particles canvas {
  width: 100%;
  height: 100%;
}

/* Decorative blurred orbs */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero__orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 255, 0.06);
  top: 10%;
  left: -5%;
}

.hero__orb--2 {
  width: 300px;
  height: 300px;
  background: rgba(0, 102, 255, 0.05);
  bottom: 15%;
  right: 5%;
}

.hero__orb--3 {
  width: 200px;
  height: 200px;
  background: rgba(124, 58, 237, 0.05);
  top: 40%;
  right: 30%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* ── Hero Content (Left Side) ── */
.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  width: fit-content;
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-success);
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-size: var(--fs-display);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero__title-highlight {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title-accent {
  color: var(--clr-accent-gold);
  -webkit-text-fill-color: var(--clr-accent-gold);
}

/* Typing effect */
.hero__typing-wrapper {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  min-height: 36px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero__typing-prefix {
  color: var(--clr-accent-cyan);
}

.hero__typing-text {
  color: var(--clr-text-primary);
}

.hero__typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--clr-accent-cyan);
  border-radius: 1px;
  animation: typing-cursor 0.8s step-end infinite;
  margin-left: 2px;
  vertical-align: text-bottom;
}

.hero__description {
  font-size: var(--fs-lg);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 520px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

/* Hero CTA buttons */
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

/* Hero counters */
.hero__counters {
  display: flex;
  gap: var(--sp-10);
  margin-top: var(--sp-4);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s both;
}

.hero__counters .counter-item__number {
  font-size: var(--fs-3xl);
}

/* ── Hero Visual (Right Side) — Phone Mockups ── */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
  min-height: 500px;
  animation: fadeIn 1s var(--ease-out-expo) 0.4s both;
}

.hero__phone-mockup {
  position: absolute;
  width: 220px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 2px solid var(--clr-border);
  box-shadow: var(--shadow-xl), var(--shadow-glow-cyan);
  background: var(--clr-bg-darker);
  transition: transform var(--tr-smooth), box-shadow var(--tr-smooth);
}

.hero__phone-mockup img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__phone-mockup--1 {
  transform: rotateY(-8deg) rotateX(3deg) translateZ(20px);
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}

.hero__phone-mockup--2 {
  transform: rotateY(-12deg) rotateX(2deg) translateX(140px) translateY(30px) translateZ(-30px);
  z-index: 2;
  opacity: 0.85;
  animation: float-delayed 7s ease-in-out infinite;
}

.hero__phone-mockup--3 {
  transform: rotateY(-6deg) rotateX(4deg) translateX(-130px) translateY(-20px) translateZ(-40px);
  z-index: 1;
  opacity: 0.70;
  animation: float-slow 8s ease-in-out infinite;
}

.hero__phone-mockup:hover {
  box-shadow: var(--shadow-xl), 0 0 40px rgba(0, 212, 255, 0.2);
  z-index: 10;
}

/* Phone notch detail */
.hero__phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 26px;
  background: var(--clr-bg-darker);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: 2;
}

/* Decorative grid pattern behind phones */
.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}


/* ─────────────────────────────────────────────────────────────
   16. ABOUT SECTION
   ───────────────────────────────────────────────────────────── */
.about {
  background: var(--clr-bg-primary);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: start;
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.about__text p {
  font-size: var(--fs-md);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

.about__text p strong {
  color: var(--clr-text-primary);
  font-weight: var(--fw-semibold);
}

.about__highlight {
  color: var(--clr-accent-cyan) !important;
  font-weight: var(--fw-medium);
}

/* "What I Bring" Cards — 3x2 Grid */
.about__cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}

.about__card {
  padding: var(--sp-6);
  text-align: center;
  transition: transform var(--tr-smooth);
}

.about__card:hover {
  transform: translateY(-4px);
}

.about__card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--clr-accent-cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-4);
  font-size: var(--fs-2xl);
  color: var(--clr-accent-cyan);
  transition: all var(--tr-smooth);
}

.about__card:hover .about__card-icon {
  background: var(--grad-primary);
  color: var(--clr-text-on-accent);
  box-shadow: var(--shadow-glow-cyan);
}

.about__card-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-2);
}

.about__card-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-normal);
}

/* Alt card icon colors */
.about__card:nth-child(2) .about__card-icon { background: var(--clr-accent-blue-dim); color: var(--clr-accent-blue); }
.about__card:nth-child(3) .about__card-icon { background: var(--clr-accent-violet-dim); color: var(--clr-accent-violet); }
.about__card:nth-child(4) .about__card-icon { background: rgba(255, 215, 0, 0.08); color: var(--clr-accent-gold); }
.about__card:nth-child(5) .about__card-icon { background: rgba(34, 197, 94, 0.08); color: var(--clr-success); }
.about__card:nth-child(6) .about__card-icon { background: var(--clr-accent-cyan-dim); color: var(--clr-accent-cyan); }

.about__card:nth-child(2):hover .about__card-icon { background: var(--grad-violet); }
.about__card:nth-child(3):hover .about__card-icon { background: var(--grad-violet); }
.about__card:nth-child(4):hover .about__card-icon { background: var(--grad-gold); }


/* ─────────────────────────────────────────────────────────────
   17. SKILLS SECTION
   ───────────────────────────────────────────────────────────── */
.skills {
  background: var(--clr-bg-darker);
}

.skills__grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-10);
}

.skill-category {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.skill-category__header {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.skill-category__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  color: var(--clr-accent-cyan);
}

.skill-category__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-heading);
}

.skill-category__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  border-radius: var(--radius-full);
  border: none;
  background:
    linear-gradient(var(--clr-bg-primary), var(--clr-bg-primary)) padding-box,
    var(--grad-border-chip) border-box;
  border: 1px solid transparent;
  transition: all var(--tr-normal);
  cursor: default;
}

.skill-chip:hover {
  color: var(--clr-accent-cyan);
  background:
    linear-gradient(var(--clr-bg-card-hover), var(--clr-bg-card-hover)) padding-box,
    var(--grad-primary) border-box;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.10);
  transform: translateY(-1px);
}

.skill-chip i,
.skill-chip img {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Proficiency indicator dot */
.skill-chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  opacity: 0.6;
}

.skill-chip__dot--high { opacity: 1; box-shadow: 0 0 6px var(--clr-accent-cyan); }
.skill-chip__dot--mid  { opacity: 0.6; background: var(--clr-accent-blue); }
.skill-chip__dot--low  { opacity: 0.35; background: var(--clr-text-muted); }


/* ─────────────────────────────────────────────────────────────
   18. PROJECTS SECTION
   ───────────────────────────────────────────────────────────── */
.projects {
  background: var(--clr-bg-primary);
}

/* Featured projects grid */
.projects__featured {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-16);
}

/* Flagship project — spans more width */
.project-card--flagship {
  grid-column: 1 / -1;
}

.project-card--flagship .project-card__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

/* Project Card */
.project-card {
  perspective: 1000px;
  transition: transform var(--tr-smooth);
}

.project-card__inner {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  height: 100%;
  transition: transform 0.4s var(--ease-smooth);
  transform-style: preserve-3d;
}

/* Tilt effect on hover (CSS-only subtle version) */
.project-card:hover .project-card__inner {
  transform: rotateX(1deg) rotateY(-1deg);
}

.project-card__image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--clr-bg-darker);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-slow);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.6), transparent);
  opacity: 0;
  transition: opacity var(--tr-smooth);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: var(--sp-4);
}

.project-card:hover .project-card__image-overlay {
  opacity: 1;
}

.project-card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-on-accent);
}

.project-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.project-card__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
}

.project-card__description {
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: auto;
}

.project-card__actions {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

/* Supporting projects — smaller grid */
.projects__supporting-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-8);
  text-align: center;
}

.projects__supporting {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.project-card--small .project-card__inner {
  padding: var(--sp-5);
}

.project-card--small .project-card__title {
  font-size: var(--fs-lg);
}

.project-card--small .project-card__description {
  font-size: var(--fs-sm);
  -webkit-line-clamp: 2;
}

.project-card--small .project-card__image {
  aspect-ratio: 16 / 9;
}


/* ─────────────────────────────────────────────────────────────
   19. SOHBA CASE STUDY SECTION
   ───────────────────────────────────────────────────────────── */
.case-study {
  background: var(--clr-bg-darker);
  overflow: hidden;
}

.case-study__intro {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--sp-16);
}

.case-study__intro p {
  font-size: var(--fs-lg);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

/* Timeline layout */
.case-study__timeline {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
}

/* Vertical connecting line */
.case-study__timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--grad-timeline);
  transform: translateX(-50%);
  opacity: 0.4;
}

.case-study__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  margin-bottom: var(--sp-16);
  position: relative;
}

/* Dot on timeline */
.case-study__item::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  border: 3px solid var(--clr-bg-darker);
  transform: translate(-50%, -50%);
  z-index: 2;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

/* Alternating layout */
.case-study__item:nth-child(even) {
  direction: rtl;
}

.case-study__item:nth-child(even) > * {
  direction: ltr;
}

.case-study__card {
  padding: var(--sp-8);
}

.case-study__step {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: var(--clr-accent-cyan-dim);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--clr-accent-cyan);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--sp-4);
}

.case-study__card-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-3);
}

.case-study__card-desc {
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

/* Phone mockup in case study */
.case-study__mockup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.case-study__mockup-phone {
  width: 200px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 2px solid var(--clr-border);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
  background: var(--clr-bg-darker);
  animation: float 6s ease-in-out infinite;
}

.case-study__mockup-phone img {
  width: 100%;
  display: block;
}


/* ─────────────────────────────────────────────────────────────
   20. EXPERIENCE SECTION — TIMELINE
   ───────────────────────────────────────────────────────────── */
.experience {
  background: var(--clr-bg-primary);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
  padding-left: var(--sp-12);
}

/* Vertical line */
.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--grad-timeline);
  opacity: 0.35;
}

.timeline__item {
  position: relative;
  margin-bottom: var(--sp-10);
}

/* Timeline dot */
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--sp-12) + 10px);
  top: var(--sp-7);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--clr-accent-cyan);
  border: 3px solid var(--clr-bg-primary);
  z-index: 2;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

/* Connector line from dot to card */
.timeline__item::after {
  content: '';
  position: absolute;
  left: calc(-1 * var(--sp-12) + 22px);
  top: calc(var(--sp-7) + 5px);
  width: calc(var(--sp-12) - 28px);
  height: 2px;
  background: rgba(0, 212, 255, 0.15);
}

.timeline__date {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-4);
  background: var(--clr-accent-cyan-dim);
  border: 1px solid var(--clr-border-accent);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--clr-accent-cyan);
  margin-bottom: var(--sp-4);
  letter-spacing: var(--ls-wide);
}

.timeline__card {
  padding: var(--sp-6);
}

.timeline__role {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-1);
}

.timeline__org {
  font-size: var(--fs-base);
  color: var(--clr-accent-cyan);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-3);
}

.timeline__desc {
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

.timeline__desc ul {
  margin-top: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.timeline__desc li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  line-height: var(--lh-normal);
}

.timeline__desc li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--clr-accent-cyan);
  font-size: var(--fs-sm);
}

.timeline__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}


/* ─────────────────────────────────────────────────────────────
   21. CERTIFICATES SECTION
   ───────────────────────────────────────────────────────────── */
.certificates {
  background: var(--clr-bg-darker);
}

.certificates__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.certificate-card {
  padding: 0;
  overflow: hidden;
  transition: transform var(--tr-smooth);
}

.certificate-card:hover {
  transform: translateY(-4px);
}

/* Decorative gradient top border */
.certificate-card__accent {
  height: 4px;
  background: var(--grad-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.certificate-card:nth-child(2) .certificate-card__accent { background: var(--grad-violet); }
.certificate-card:nth-child(3) .certificate-card__accent { background: var(--grad-gold); }
.certificate-card:nth-child(4) .certificate-card__accent { background: var(--grad-primary-reverse); }
.certificate-card:nth-child(5) .certificate-card__accent { background: var(--grad-violet); }
.certificate-card:nth-child(6) .certificate-card__accent { background: var(--grad-gold); }

.certificate-card__body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  position: relative;
}

/* Subtle ribbon badge */
.certificate-card__ribbon {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  color: var(--clr-accent-gold);
  opacity: 0.5;
  transition: opacity var(--tr-fast);
}

.certificate-card:hover .certificate-card__ribbon {
  opacity: 1;
}

.certificate-card__name {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  line-height: var(--lh-snug);
  padding-right: var(--sp-10);
}

.certificate-card__issuer {
  font-size: var(--fs-base);
  color: var(--clr-accent-cyan);
  font-weight: var(--fw-medium);
}

.certificate-card__instructor {
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
}

.certificate-card__instructor span {
  color: var(--clr-text-muted);
}

.certificate-card__date {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: auto;
}

.certificate-card__date i {
  color: var(--clr-accent-cyan);
  font-size: var(--fs-sm);
}

.certificate-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-accent-cyan);
  transition: gap var(--tr-fast);
  margin-top: var(--sp-2);
}

.certificate-card__link:hover {
  gap: var(--sp-3);
}


/* ─────────────────────────────────────────────────────────────
   22. EDUCATION SECTION
   ───────────────────────────────────────────────────────────── */
.education {
  background: var(--clr-bg-primary);
}

.education__card {
  max-width: 700px;
  margin-inline: auto;
  padding: var(--sp-10);
  text-align: center;
  position: relative;
}

.education__card::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
}

.education__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: var(--clr-accent-cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
  font-size: var(--fs-3xl);
  color: var(--clr-accent-cyan);
}

.education__degree {
  font-family: var(--ff-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-2);
}

.education__university {
  font-size: var(--fs-xl);
  color: var(--clr-accent-cyan);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-3);
}

.education__date {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-4);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  margin-bottom: var(--sp-6);
}

.education__grade {
  font-size: var(--fs-lg);
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-6);
}

.education__grade strong {
  color: var(--clr-accent-gold);
  font-weight: var(--fw-bold);
}

.education__skills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-2);
}


/* ─────────────────────────────────────────────────────────────
   23. CONTACT SECTION
   ───────────────────────────────────────────────────────────── */
.contact {
  background: var(--clr-bg-darker);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-16);
  align-items: start;
}

/* Left — Contact info */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.contact__info-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-2);
}

.contact__info-subtitle {
  font-size: var(--fs-md);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

.contact__items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  transition: transform var(--tr-fast);
}

.contact__item:hover {
  transform: translateX(4px);
}

.contact__item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--clr-accent-cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  color: var(--clr-accent-cyan);
  flex-shrink: 0;
  transition: all var(--tr-smooth);
}

.contact__item:hover .contact__item-icon {
  background: var(--grad-primary);
  color: var(--clr-text-on-accent);
  box-shadow: var(--shadow-glow-cyan);
}

.contact__item-label {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: 2px;
}

.contact__item-value {
  font-size: var(--fs-md);
  color: var(--clr-text-primary);
  font-weight: var(--fw-medium);
}

.contact__item-value a {
  color: var(--clr-text-primary);
  transition: color var(--tr-fast);
}

.contact__item-value a:hover {
  color: var(--clr-accent-cyan);
}

/* Social icons */
.contact__socials {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.contact__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  font-size: var(--fs-xl);
  transition: all var(--tr-normal);
}

.contact__social-link:hover {
  color: var(--clr-accent-cyan);
  border-color: var(--clr-border-accent);
  background: var(--clr-accent-cyan-dim);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan);
}

/* Right — Contact form */
.contact__form-wrapper {
  padding: var(--sp-8);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-group__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  letter-spacing: var(--ls-wide);
}

.form-group__input,
.form-group__textarea {
  padding: var(--sp-4);
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border-input);
  border-radius: var(--radius-md);
  color: var(--clr-text-primary);
  font-size: var(--fs-base);
  transition: all var(--tr-normal);
}

.form-group__input::placeholder,
.form-group__textarea::placeholder {
  color: var(--clr-text-muted);
}

.form-group__input:hover,
.form-group__textarea:hover {
  border-color: var(--clr-border-hover);
  background: var(--clr-bg-input-focus);
}

.form-group__input:focus,
.form-group__textarea:focus {
  border-color: var(--clr-border-input-focus);
  background: var(--clr-bg-input-focus);
  box-shadow: var(--shadow-input-focus);
  outline: none;
}

.form-group__textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.contact__form .btn-primary {
  align-self: flex-start;
  margin-top: var(--sp-2);
}

/* Form status messages */
.form-status {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  display: none;
}

.form-status--success {
  display: block;
  background: rgba(34, 197, 94, 0.10);
  border: 1px solid rgba(34, 197, 94, 0.25);
  color: var(--clr-success);
}

.form-status--error {
  display: block;
  background: rgba(239, 68, 68, 0.10);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--clr-error);
}


/* ─────────────────────────────────────────────────────────────
   24. FOOTER
   ───────────────────────────────────────────────────────────── */
.footer {
  background: var(--clr-bg-footer);
  padding: var(--sp-12) 0 var(--sp-8);
  border-top: 1px solid var(--clr-border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-10);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.footer__brand-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-heading);
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-md);
  color: var(--clr-text-on-accent);
}

.footer__brand-name {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
}

.footer__brand-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  max-width: 300px;
}

.footer__socials {
  display: flex;
  gap: var(--sp-3);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: var(--fs-md);
  transition: all var(--tr-fast);
}

.footer__social-link:hover {
  color: var(--clr-accent-cyan);
  border-color: var(--clr-border-accent);
  background: var(--clr-accent-cyan-dim);
  transform: translateY(-2px);
}

/* Footer nav */
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__nav-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-2);
}

.footer__nav-link {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--tr-fast), transform var(--tr-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.footer__nav-link:hover {
  color: var(--clr-accent-cyan);
  transform: translateX(4px);
}

/* Footer CTA / CV Download */
.footer__cta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer__cta-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-heading);
  margin-bottom: var(--sp-2);
}

.footer__cta-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-normal);
}

/* Footer bottom bar */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
}

.footer__copyright {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

.footer__copyright a {
  color: var(--clr-accent-cyan);
}

.footer__bottom-links {
  display: flex;
  gap: var(--sp-6);
}

.footer__bottom-link {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--tr-fast);
}

.footer__bottom-link:hover {
  color: var(--clr-text-primary);
}


/* ─────────────────────────────────────────────────────────────
   25. MODAL
   ───────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--clr-bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--tr-smooth),
    visibility var(--tr-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.92) translateY(20px);
  transition: transform var(--tr-slower);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-8);
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
}

.modal__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-heading);
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
  cursor: pointer;
  transition: all var(--tr-fast);
}

.modal__close:hover {
  color: var(--clr-error);
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.08);
}

.modal__body {
  padding: var(--sp-8);
  overflow-y: auto;
  flex: 1;
}

.modal__body p {
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-4);
}

.modal__body h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-3);
}

.modal__body img {
  border-radius: var(--radius-md);
  margin-block: var(--sp-4);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-8);
  border-top: 1px solid var(--clr-border);
  flex-shrink: 0;
}


/* ─────────────────────────────────────────────────────────────
   26. BACK TO TOP BUTTON
   ───────────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--sp-8);
  right: var(--sp-8);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  color: var(--clr-text-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  cursor: pointer;
  z-index: var(--z-sticky);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition:
    opacity var(--tr-smooth),
    visibility var(--tr-smooth),
    transform var(--tr-smooth),
    box-shadow var(--tr-smooth);
  box-shadow: var(--shadow-btn);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-3px);
}


/* ─────────────────────────────────────────────────────────────
   27. MISCELLANEOUS UTILITY CLASSES
   ───────────────────────────────────────────────────────────── */
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent { color: var(--clr-accent-cyan); }
.text-gold   { color: var(--clr-accent-gold); }
.text-muted  { color: var(--clr-text-muted); }

.glow-animation { animation: glow 3s ease-in-out infinite; }
.float-animation { animation: float 6s ease-in-out infinite; }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.no-select {
  -webkit-user-select: none;
  user-select: none;
}


/* ─────────────────────────────────────────────────────────────
   28. RESPONSIVE — LAPTOP (≤1200px)
   ───────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  :root {
    --section-py: var(--sp-20);
  }

  .hero__inner {
    gap: var(--sp-10);
  }

  .hero__phone-mockup {
    width: 190px;
  }

  .hero__phone-mockup--2 {
    transform: rotateY(-10deg) rotateX(2deg) translateX(110px) translateY(25px) translateZ(-20px);
  }

  .hero__phone-mockup--3 {
    transform: rotateY(-5deg) rotateX(3deg) translateX(-100px) translateY(-15px) translateZ(-30px);
  }

  .about__content {
    gap: var(--sp-10);
  }

  .certificates__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects__supporting {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    gap: var(--sp-8);
  }
}


/* ─────────────────────────────────────────────────────────────
   29. RESPONSIVE — TABLET (≤992px)
   ───────────────────────────────────────────────────────────── */
@media (max-width: 992px) {
  :root {
    --section-py: var(--sp-16);
  }

  .container {
    padding-inline: var(--sp-5);
  }

  /* Nav — switch to hamburger */
  .navbar__links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  /* Hero — stack */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--sp-12);
  }

  .hero__content {
    align-items: center;
  }

  .hero__description {
    max-width: 560px;
    margin-inline: auto;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__counters {
    justify-content: center;
  }

  .hero__visual {
    min-height: 380px;
    order: -1;
  }

  .hero__phone-mockup {
    width: 170px;
  }

  /* About — stack */
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }

  .about__cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Projects — 2 col */
  .projects__featured {
    grid-template-columns: 1fr;
  }

  .project-card--flagship .project-card__inner {
    grid-template-columns: 1fr;
  }

  .projects__supporting {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Case study — single column */
  .case-study__timeline::before {
    left: 20px;
  }

  .case-study__item {
    grid-template-columns: 1fr;
    padding-left: var(--sp-14);
    gap: var(--sp-6);
  }

  .case-study__item::before {
    left: 14px;
    top: var(--sp-8);
    transform: translateY(0);
  }

  .case-study__item:nth-child(even) {
    direction: ltr;
  }

  /* Contact — stack */
  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }

  /* Footer — 2 col */
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}


/* ─────────────────────────────────────────────────────────────
   30. RESPONSIVE — MOBILE (≤768px)
   ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-py: var(--sp-14);
    --nav-height: 60px;
  }

  .section-header {
    margin-bottom: var(--sp-10);
  }

  .section-header__title {
    font-size: clamp(var(--fs-2xl), 6vw, var(--fs-4xl));
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--sp-6));
  }

  .hero__title {
    font-size: clamp(var(--fs-3xl), 7vw, var(--fs-5xl));
  }

  .hero__typing-wrapper {
    font-size: var(--fs-lg);
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__visual {
    min-height: 300px;
  }

  .hero__phone-mockup {
    width: 150px;
  }

  .hero__phone-mockup--3 {
    display: none;
  }

  .hero__counters {
    gap: var(--sp-6);
    flex-wrap: wrap;
  }

  .about__cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects__featured,
  .projects__supporting {
    grid-template-columns: 1fr;
  }

  .certificates__grid {
    grid-template-columns: 1fr;
  }

  .education__card {
    padding: var(--sp-8);
  }

  .education__degree {
    font-size: var(--fs-2xl);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact__form-wrapper {
    padding: var(--sp-6);
  }

  .timeline {
    padding-left: var(--sp-10);
  }

  .timeline::before {
    left: 12px;
  }

  .timeline__item::before {
    left: calc(-1 * var(--sp-10) + 6px);
  }

  .timeline__item::after {
    left: calc(-1 * var(--sp-10) + 18px);
    width: calc(var(--sp-10) - 24px);
  }

  .footer__inner {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--sp-4);
    text-align: center;
  }

  .footer__bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .modal {
    max-height: 90vh;
    border-radius: var(--radius-lg);
  }

  .modal__header,
  .modal__body,
  .modal__footer {
    padding-inline: var(--sp-5);
  }

  .back-to-top {
    width: 42px;
    height: 42px;
    bottom: var(--sp-5);
    right: var(--sp-5);
  }
}


/* ─────────────────────────────────────────────────────────────
   31. RESPONSIVE — SMALL (≤480px)
   ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  :root {
    --section-py: var(--sp-12);
  }

  .container {
    padding-inline: var(--sp-4);
  }

  .hero__badge {
    font-size: var(--fs-xs);
  }

  .hero__title {
    font-size: clamp(var(--fs-2xl), 8vw, var(--fs-4xl));
  }

  .hero__typing-wrapper {
    font-size: var(--fs-md);
  }

  .hero__description {
    font-size: var(--fs-base);
  }

  .hero__visual {
    min-height: 240px;
  }

  .hero__phone-mockup {
    width: 130px;
  }

  .hero__phone-mockup--2 {
    transform: rotateY(-8deg) translateX(80px) translateY(20px);
  }

  .hero__cta {
    flex-direction: column;
    width: 100%;
  }

  .hero__cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__counters {
    gap: var(--sp-4);
  }

  .hero__counters .counter-item__number {
    font-size: var(--fs-2xl);
  }

  .about__cards-grid {
    grid-template-columns: 1fr;
  }

  .skill-category__chips {
    gap: var(--sp-1);
  }

  .skill-chip {
    font-size: var(--fs-xs);
    padding: var(--sp-1) var(--sp-3);
  }

  /* Hide decorative orbs */
  .hero__orb,
  .hero__grid-pattern {
    display: none;
  }

  .case-study__item {
    padding-left: var(--sp-10);
  }

  .case-study__timeline::before {
    left: 14px;
  }

  .case-study__card {
    padding: var(--sp-5);
  }

  .case-study__mockup-phone {
    width: 160px;
  }

  .education__card {
    padding: var(--sp-6);
  }

  .timeline__card {
    padding: var(--sp-5);
  }

  .section-header__subtitle {
    font-size: var(--fs-base);
  }

  .contact__form .btn-primary {
    width: 100%;
  }
}


/* ─────────────────────────────────────────────────────────────
   32. ACCESSIBILITY — REDUCED MOTION
   ───────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  .hero__phone-mockup--1,
  .hero__phone-mockup--2,
  .hero__phone-mockup--3 {
    animation: none;
  }

  .case-study__mockup-phone {
    animation: none;
  }

  .hero__typing-cursor {
    animation: none;
    opacity: 1;
  }

  .preloader__spinner {
    animation: none;
    border-top-color: var(--clr-accent-cyan);
  }

  .hero {
    animation: none;
    background-size: 100% 100%;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal.active {
    transform: none;
  }

  .project-card:hover .project-card__inner {
    transform: none;
  }

  .glow-animation {
    animation: none;
  }

  .float-animation {
    animation: none;
  }

  .mobile-menu__link {
    animation: none;
  }
}


/* ─────────────────────────────────────────────────────────────
   33. HIGH CONTRAST MODE
   ───────────────────────────────────────────────────────────── */
@media (forced-colors: active) {
  .glass-card,
  .btn,
  .chip,
  .tech-chip,
  .skill-chip {
    border: 1px solid ButtonText;
  }

  .btn-primary {
    background: ButtonFace;
    color: ButtonText;
  }
}


/* ─────────────────────────────────────────────────────────────
   34. PRINT STYLES
   ───────────────────────────────────────────────────────────── */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
    overflow: visible;
  }

  /* Hide decorative and interactive elements */
  .preloader,
  .navbar,
  .hero__particles,
  .hero__orb,
  .hero__grid-pattern,
  .hero__phone-mockup,
  .hero__visual,
  .hero__typing-cursor,
  .back-to-top,
  .hamburger,
  .mobile-menu,
  .nav-overlay,
  .modal-overlay,
  .theme-toggle,
  .contact__form-wrapper,
  .footer__socials,
  .contact__socials,
  .section-divider,
  canvas {
    display: none !important;
  }

  section {
    padding-block: 24pt;
    page-break-inside: avoid;
  }

  .glass-card {
    border: 1px solid #ccc;
    backdrop-filter: none;
  }

  .btn {
    border: 1px solid #000;
    padding: 4pt 8pt;
  }

  a {
    text-decoration: underline;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #555;
  }

  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 24pt 0;
  }

  .section-header__title {
    -webkit-text-fill-color: #000;
    background: none;
  }

  .text-gradient {
    -webkit-text-fill-color: #000;
    background: none;
  }

  .hero__title-highlight {
    -webkit-text-fill-color: #000;
    background: none;
  }

  .counter-item__number {
    -webkit-text-fill-color: #000;
    background: none;
  }

  .container {
    max-width: 100%;
    padding-inline: 0;
  }

  .certificates__grid,
  .about__cards-grid,
  .projects__featured,
  .projects__supporting {
    grid-template-columns: 1fr 1fr;
  }

  .footer {
    padding: 12pt 0;
  }
}


/* ─────────────────────────────────────────────────────────────
   35. SPECIAL STATES & INTERACTIONS
   ───────────────────────────────────────────────────────────── */

/* Loading state for form button */
.btn--loading {
  pointer-events: none;
  opacity: 0.7;
  position: relative;
}

.btn--loading::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Skeleton loading shimmer */
.skeleton {
  background: linear-gradient(90deg,
    var(--clr-bg-glass) 25%,
    rgba(255, 255, 255, 0.06) 50%,
    var(--clr-bg-glass) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* Tooltip */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--sp-2) var(--sp-3);
  background: var(--clr-bg-darker);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--clr-text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--tr-fast), transform var(--tr-fast);
  z-index: var(--z-dropdown);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Ripple effect base */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),
    rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}

.ripple:hover::before {
  opacity: 1;
}

/* Card shine effect on hover */
.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0, 212, 255, 0.04) 0%,
    transparent 50%
  );
  pointer-events: none;
  z-index: 0;
}

/* Gradient border animation */
.border-gradient-animated {
  border: none;
  background:
    linear-gradient(var(--clr-bg-card), var(--clr-bg-card)) padding-box,
    linear-gradient(var(--angle, 135deg), var(--clr-accent-cyan), var(--clr-accent-blue), var(--clr-accent-violet)) border-box;
  border: 1px solid transparent;
  animation: borderGlow 3s ease-in-out infinite;
}

/* Active nav link underline animation */
.navbar__link--animate::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--clr-accent-cyan);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  transition: width var(--tr-normal);
}

.navbar__link--animate:hover::after {
  width: 20px;
}

/* Image lazy loading placeholder */
img[loading="lazy"] {
  background: var(--clr-bg-glass);
  transition: opacity 0.4s;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Text selection on glass surfaces */
.glass-card ::selection {
  background: rgba(0, 212, 255, 0.20);
}

/* Horizontal scroll shadow for chips */
.chips-scroll-wrapper {
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chips-scroll-wrapper::-webkit-scrollbar {
  display: none;
}

.chips-scroll-wrapper::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(to right, transparent, var(--clr-bg-primary));
  pointer-events: none;
}


/* ─────────────────────────────────────────────────────────────
   36. DECORATIVE ACCENTS
   ───────────────────────────────────────────────────────────── */

/* Floating dots decoration */
.decoration-dots {
  position: absolute;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(circle, rgba(0, 212, 255, 0.15) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
  opacity: 0.5;
}

/* Gradient line accent */
.decoration-line {
  width: 80px;
  height: 2px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
}

/* Corner accent */
.decoration-corner {
  position: absolute;
  width: 40px;
  height: 40px;
  pointer-events: none;
}

.decoration-corner--tl {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--clr-accent-cyan);
  border-left: 2px solid var(--clr-accent-cyan);
  border-radius: var(--radius-lg) 0 0 0;
  opacity: 0.3;
}

.decoration-corner--br {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--clr-accent-blue);
  border-right: 2px solid var(--clr-accent-blue);
  border-radius: 0 0 var(--radius-lg) 0;
  opacity: 0.3;
}

/* Subtle noise texture overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}


/* ─────────────────────────────────────────────────────────────
   37. STAGGER ANIMATION HELPERS
   ───────────────────────────────────────────────────────────── */
.stagger-children > *:nth-child(1)  { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2)  { transition-delay: 0.10s; }
.stagger-children > *:nth-child(3)  { transition-delay: 0.15s; }
.stagger-children > *:nth-child(4)  { transition-delay: 0.20s; }
.stagger-children > *:nth-child(5)  { transition-delay: 0.25s; }
.stagger-children > *:nth-child(6)  { transition-delay: 0.30s; }
.stagger-children > *:nth-child(7)  { transition-delay: 0.35s; }
.stagger-children > *:nth-child(8)  { transition-delay: 0.40s; }
.stagger-children > *:nth-child(9)  { transition-delay: 0.45s; }
.stagger-children > *:nth-child(10) { transition-delay: 0.50s; }
.stagger-children > *:nth-child(11) { transition-delay: 0.55s; }
.stagger-children > *:nth-child(12) { transition-delay: 0.60s; }


/* ─────────────────────────────────────────────────────────────
   38. DARK / LIGHT TRANSITION
   ───────────────────────────────────────────────────────────── */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition-duration: 0.4s !important;
  transition-timing-function: var(--ease-smooth) !important;
}


/* ─────────────────────────────────────────────────────────────
   END OF STYLESHEET
   ───────────────────────────────────────────────────────────── */