/* =========================================================================
   Muhammad Saad — Portfolio
   style.css (mobile-first)
   -------------------------------------------------------------------------
   1.  Design tokens (dark + light theme)
   2.  Reset & base
   3.  Utilities (container, glass, gradient text, buttons, media placeholders)
   4.  Loader, scroll progress, custom cursor
   5.  Navbar & mobile menu
   6.  Hero
   7.  Sections: shared heading styles
   8.  About & stats
   9.  Skills & marquee
   10. Experience timeline
   11. Projects, filters & modal
   12. Education
   13. Testimonials slider
   14. Contact & form
   15. Footer, back-to-top, toasts
   16. Reveal animations
   17. Breakpoints: 480 / 768 / 1024 / 1440
   18. Reduced motion
   ========================================================================= */

/* =========================================================================
   1. DESIGN TOKENS
   ========================================================================= */
:root {
  /* Colors — dark (default) */
  --bg: #0A0A0F;
  --bg-elev: #111118;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #FAFAFA;
  --muted: #A1A1AA;
  --primary: #6366F1;
  --secondary: #8B5CF6;
  --accent: #22D3EE;
  --grad: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --grad-text: linear-gradient(120deg, #818CF8 0%, #A78BFA 45%, #22D3EE 100%);
  --glow: rgba(99, 102, 241, 0.35);
  --nav-bg: rgba(10, 10, 15, 0.7);
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --noise-opacity: 0.05;
  --success: #34D399;
  --danger: #F87171;

  /* Typography */
  --font-head: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --fs-h3: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --fs-h2: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-h1: clamp(2.5rem, 1.6rem + 4.4vw, 5rem);

  /* 8px spacing system */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 40px;
  --s-6: 48px;
  --s-8: 64px;
  --s-10: 80px;
  --section-y: clamp(80px, 10vw, 136px);

  /* Shape & motion */
  --r-sm: 12px;
  --r: 16px;
  --r-lg: 24px;
  --r-full: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.4s;
  --container: 1200px;
  --gutter: 16px;
  --nav-h: 72px;
}

/* Light theme */
:root[data-theme="light"] {
  --bg: #F6F6FA;
  --bg-elev: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-hover: #FFFFFF;
  --border: rgba(15, 15, 35, 0.08);
  --border-strong: rgba(15, 15, 35, 0.18);
  --text: #0B0B14;
  --muted: #52525B;
  --accent: #0891B2;
  --grad-text: linear-gradient(120deg, #4F46E5 0%, #7C3AED 55%, #0891B2 100%);
  --glow: rgba(99, 102, 241, 0.22);
  --nav-bg: rgba(246, 246, 250, 0.75);
  --shadow: 0 20px 50px -24px rgba(30, 30, 80, 0.25);
  --noise-opacity: 0.03;
  --success: #059669;
  --danger: #DC2626;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur) ease, color var(--dur) ease;
}

/* Soft noise texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.is-locked { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
strong { color: var(--text); font-weight: 600; }
::selection { background: var(--primary); color: #fff; }

/* Visible, consistent focus states */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: var(--s-2);
  left: var(--s-2);
  z-index: 2000;
  padding: 12px 20px;
  border-radius: var(--r-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

[tabindex="-1"]:focus { outline: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* =========================================================================
   3. UTILITIES
   ========================================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: var(--fs-sm);
  white-space: nowrap;
  isolation: isolate;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background-color 0.3s, border-color 0.3s, color 0.3s;
  will-change: transform;
}
.btn i { transition: transform 0.3s var(--ease); }
.btn:hover i.fa-arrow-right { transform: translateX(4px); }

.btn--primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 10px 30px -10px var(--glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn--primary:hover { box-shadow: 0 16px 40px -10px var(--glow), inset 0 1px 0 rgba(255, 255, 255, 0.25); }

.btn--ghost {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover { background: var(--surface-hover); border-color: var(--primary); }

.btn--sm { min-height: 44px; padding: 10px 18px; font-size: var(--fs-xs); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.7; cursor: progress; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background-color 0.3s, border-color 0.3s, transform 0.3s var(--ease);
}
.icon-btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }

/* ---------- Social icons ---------- */
.socials { display: flex; flex-wrap: wrap; gap: var(--s-1); }
.socials a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: color 0.3s, border-color 0.3s, transform 0.3s var(--ease), background-color 0.3s;
}
.socials a:hover { color: #fff; background: var(--grad); border-color: transparent; transform: translateY(-3px); }

/* ---------- Image + placeholder ----------
   Every image sits on top of a dashed placeholder. If the file is missing,
   the inline onerror adds .is-missing and the placeholder shows through. */
.media {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}
.media > img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media > img.is-missing { display: none; }
.ph {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--s-2);
  text-align: center;
  color: var(--muted);
  font-size: var(--fs-xs);
  font-weight: 500;
  border: 2px dashed var(--border-strong);
  border-radius: inherit;
  background:
    radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.12), transparent 60%),
    repeating-linear-gradient(135deg, transparent 0 12px, rgba(127, 127, 160, 0.05) 12px 24px);
}
.ph i { font-size: 1.5rem; margin-bottom: 4px; opacity: 0.7; }
.ph span { color: var(--text); font-family: var(--font-head); word-break: break-all; }
.ph small { font-size: 0.75rem; opacity: 0.8; }

.media--square { aspect-ratio: 1 / 1; }
.media--portrait { aspect-ratio: 4 / 5; }
.media--landscape { aspect-ratio: 3 / 2; }

/* =========================================================================
   4. LOADER · SCROLL PROGRESS · CURSOR
   ========================================================================= */
.loader { display: none; }
.js .loader {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  align-content: center;
  gap: var(--s-3);
  background: var(--bg);
  transition: opacity 0.5s var(--ease), visibility 0.5s;
  /* CSS failsafe: never block the page for more than ~2.5s */
  animation: loader-failsafe 0.01s 2.5s forwards;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__mark {
  display: flex;
  font-family: var(--font-head);
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  overflow: hidden;
}
.loader__letter {
  display: inline-block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transform: translateY(110%);
  animation: loader-letter 0.7s var(--ease) forwards;
}
.loader__letter:nth-child(2) { animation-delay: 0.12s; }
.loader__bar {
  width: 120px;
  height: 2px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.loader__bar span {
  display: block;
  height: 100%;
  background: var(--grad);
  transform-origin: left;
  transform: scaleX(0);
  animation: loader-bar 1.1s var(--ease) forwards;
}
@keyframes loader-letter { to { transform: translateY(0); } }
@keyframes loader-bar { to { transform: scaleX(1); } }
@keyframes loader-failsafe { to { opacity: 0; visibility: hidden; } }

.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1100;
  height: 3px;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  transform-origin: left;
  transform: scaleX(0);
}

/* Custom cursor — only visible when JS adds .has-cursor (fine pointer) */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 2500;
  pointer-events: none;
  border-radius: 50%;
  opacity: 0;
  display: none;
}
.has-cursor .cursor-dot, .has-cursor .cursor-ring { display: block; }
.cursor-dot {
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  background: var(--accent);
}
.cursor-ring {
  width: 36px; height: 36px;
  margin: -18px 0 0 -18px;
  border: 1.5px solid var(--primary);
  transition: width 0.25s var(--ease), height 0.25s var(--ease), margin 0.25s var(--ease), background-color 0.25s, border-color 0.25s, opacity 0.3s;
}
.cursor-visible .cursor-dot, .cursor-visible .cursor-ring { opacity: 1; }
.cursor-hover .cursor-ring {
  width: 60px; height: 60px;
  margin: -30px 0 0 -30px;
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--secondary);
}
.has-cursor, .has-cursor a, .has-cursor button { cursor: none; }
.has-cursor input, .has-cursor textarea { cursor: text; }

/* =========================================================================
   5. NAVBAR & MOBILE MENU
   ========================================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: transform 0.5s var(--ease);
}
.nav.is-hidden { transform: translateY(-120%); }

/* Full-width at the top of the page, then it shrinks into a floating glass pill */
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  border: 1px solid transparent;
  border-radius: var(--r-full);
  transition: max-width 0.6s var(--ease), height 0.5s var(--ease), margin-top 0.5s var(--ease),
    padding 0.5s var(--ease), background-color 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.nav.is-scrolled .nav__inner {
  width: calc(100% - 16px);
  max-width: calc(var(--container) - 48px);
  height: 60px;
  margin-top: 8px;
  padding-inline: 8px;
  background: var(--nav-bg);
  border-color: var(--border);
  box-shadow: 0 16px 40px -20px rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}

.logo { display: inline-flex; align-items: center; min-height: 44px; }
.logo__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 8px 24px -8px var(--glow);
  transition: transform 0.4s var(--ease);
}
.logo:hover .logo__mark { transform: rotate(-8deg) scale(1.05); }

.nav__links { display: none; }
.nav__links ul { display: flex; gap: 4px; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--muted);
  transition: color 0.3s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--text); }
.nav__link.is-active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: var(--s-1); }
.nav__cv { display: none; }

/* Theme toggle icons */
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle i { position: absolute; transition: transform 0.5s var(--ease), opacity 0.3s; }
.theme-toggle__moon { transform: translateY(150%) rotate(-90deg); opacity: 0; }
:root[data-theme="light"] .theme-toggle__sun { transform: translateY(-150%) rotate(90deg); opacity: 0; }
:root[data-theme="light"] .theme-toggle__moon { transform: none; opacity: 1; }

/* Hamburger */
.hamburger {
  position: relative;
  z-index: 960;
  display: grid;
  place-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
}
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.4s var(--ease), opacity 0.3s;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu__backdrop {
  position: fixed;
  inset: 0;
  z-index: 940;
  background: rgba(5, 5, 10, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.mobile-menu__backdrop.is-open { opacity: 1; }

.mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 950;
  width: min(86vw, 360px);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: calc(var(--nav-h) + var(--s-3)) var(--s-3) var(--s-4);
  background: var(--bg-elev);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow-y: auto;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.5s var(--ease), visibility 0.5s;
}
.mobile-menu.is-open { transform: translateX(0); visibility: visible; }
.mobile-menu ul { display: grid; gap: 4px; }
.mobile-menu__link {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 0 var(--s-2);
  border-radius: var(--r-sm);
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--muted);
  opacity: 0;
  transform: translateX(24px);
  transition: color 0.3s, background-color 0.3s, opacity 0.4s var(--ease), transform 0.5s var(--ease);
}
.mobile-menu.is-open .mobile-menu__link { opacity: 1; transform: none; }
.mobile-menu.is-open li:nth-child(2) .mobile-menu__link { transition-delay: 0.04s; }
.mobile-menu.is-open li:nth-child(3) .mobile-menu__link { transition-delay: 0.08s; }
.mobile-menu.is-open li:nth-child(4) .mobile-menu__link { transition-delay: 0.12s; }
.mobile-menu.is-open li:nth-child(5) .mobile-menu__link { transition-delay: 0.16s; }
.mobile-menu.is-open li:nth-child(6) .mobile-menu__link { transition-delay: 0.20s; }
.mobile-menu.is-open li:nth-child(7) .mobile-menu__link { transition-delay: 0.24s; }
.mobile-menu__link:hover, .mobile-menu__link.is-active { color: var(--text); background: var(--surface-hover); }
.mobile-menu__socials { margin-top: auto; }

/* =========================================================================
   6. HERO
   ========================================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + var(--s-4)) 0 var(--s-10);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}
.blob--1 {
  width: 420px; height: 420px;
  top: -120px; left: -120px;
  background: radial-gradient(circle, #6366F1 0%, transparent 70%);
  animation: blob-a 18s ease-in-out infinite;
}
.blob--2 {
  width: 380px; height: 380px;
  top: 20%; right: -140px;
  background: radial-gradient(circle, #8B5CF6 0%, transparent 70%);
  animation: blob-b 22s ease-in-out infinite;
}
.blob--3 {
  width: 300px; height: 300px;
  bottom: -80px; left: 30%;
  background: radial-gradient(circle, #22D3EE 0%, transparent 70%);
  opacity: 0.3;
  animation: blob-c 20s ease-in-out infinite;
}
:root[data-theme="light"] .blob { opacity: 0.28; }

@keyframes blob-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, 60px) scale(1.1); }
  66% { transform: translate(-30px, 100px) scale(0.95); }
}
@keyframes blob-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, 80px) scale(1.15); }
}
@keyframes blob-c {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -70px) scale(1.1); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  opacity: 0.6;
}

.hero__inner {
  display: grid;
  gap: var(--s-5);
  align-items: center;
}
/* Mobile: image on top, text below */
.hero__visual { order: -1; display: flex; justify-content: center; }
.hero__content { text-align: center; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  margin-bottom: var(--s-1);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
}
.pulse-dot {
  position: relative;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse { to { transform: scale(3); opacity: 0; } }

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 4px;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.hero__title .line-inner { display: inline-block; }

.hero__role {
  min-height: 1.3em;
  line-height: 1.3;
  margin-bottom: var(--s-2);
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);
  font-weight: 500;
  color: var(--text);
}
.hero__role-text { color: var(--accent); }
.caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 4px;
  vertical-align: -0.15em;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__tagline {
  max-width: 560px;
  margin: 0 auto var(--s-4);
  font-size: var(--fs-lg);
  color: var(--muted);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
}
.hero__socials { justify-content: center; }

/* Quick stats under the buttons */
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}
.hero__stats li { display: grid; gap: 2px; text-align: center; }
.hero__stats li + li { padding-left: var(--s-3); border-left: 1px solid var(--border-strong); }
.hero__stats strong {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stats span { font-size: var(--fs-xs); color: var(--muted); }

/* ---------- Portrait: cut-out photo on a gradient disc ----------
   --w is the disc diameter; the box is taller than the disc so the
   head can rise above the circle while the shoulders are clipped by it. */
.portrait {
  --w: 260px;
  position: relative;
  width: var(--w);
  height: calc(var(--w) * 1.18);
  margin-top: var(--s-2);
}
.portrait__disc {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.25), transparent 45%),
    linear-gradient(150deg, #8B5CF6 0%, #6366F1 45%, #22D3EE 130%);
  box-shadow:
    0 0 0 8px rgba(99, 102, 241, 0.12),
    0 30px 80px -10px rgba(99, 102, 241, 0.55);
}
.portrait__disc::after {
  /* soft inner shading so the suit separates from the disc */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 110%, rgba(10, 10, 15, 0.55), transparent 60%);
}
.portrait__orbit {
  position: absolute;
  left: -22px;
  right: -22px;
  bottom: -22px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px dashed var(--border-strong);
  animation: spin 40s linear infinite;
}
.portrait__orbit i {
  position: absolute;
  top: 50%;
  left: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Frame = disc + everything above its centre line (lets the head pop out) */
.portrait__frame {
  position: absolute;
  inset: 0;
  -webkit-mask-image:
    linear-gradient(#000, #000),
    radial-gradient(circle calc(var(--w) / 2) at 50% calc(100% - var(--w) / 2), #000 99.5%, transparent 100%);
  -webkit-mask-size: 100% calc(100% - var(--w) / 2), 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-image:
    linear-gradient(#000, #000),
    radial-gradient(circle calc(var(--w) / 2) at 50% calc(100% - var(--w) / 2), #000 99.5%, transparent 100%);
  mask-size: 100% calc(100% - var(--w) / 2), 100% 100%;
  mask-repeat: no-repeat;
}
.portrait__img {
  position: absolute;
  left: 50%;
  bottom: 0;
  height: 100%;
  width: auto;
  max-width: none;
  transform: translateX(-50%);
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.35));
}
/* If the cut-out is missing, fall back to the square photo inside the disc */
.portrait__img.is-fallback {
  top: auto;
  height: var(--w);
  width: var(--w);
  border-radius: 50%;
  object-fit: cover;
}

/* Floating glass badges */
.portrait__badge, .portrait__chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  background: var(--nav-bg);
  border: 1px solid var(--border-strong);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
  white-space: nowrap;
}
.portrait__badge { padding: 10px 14px; border-radius: var(--r); font-size: 0.75rem; line-height: 1.25; color: var(--muted); }
.portrait__badge strong { line-height: 1.4; color: var(--text); }
.portrait__badge strong { font-size: 0.9rem; font-family: var(--font-body); font-weight: 600; }
.portrait__badge-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #fff;
  background: var(--grad);
}
.portrait__badge-icon--alt { background: linear-gradient(135deg, #0891B2, #22D3EE); }
.portrait__badge--exp { left: -18%; top: 48%; }
.portrait__badge--sites { right: -14%; bottom: 8%; animation-delay: -3s; }
.portrait__chip {
  right: -8%;
  top: 22%;
  padding: 8px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  animation-delay: -1.5s;
}
.portrait__chip i { color: var(--accent); }

/* Phones: keep the photo clean — badges hidden (the stats row covers them),
   the role tag sits centred on the bottom of the circle */
@media (max-width: 767px) {
  .portrait__badge { display: none; }
  .portrait__chip {
    top: auto;
    right: 0;
    left: 0;
    bottom: -14px;
    width: max-content;
    margin-inline: auto;
  }
}
@keyframes float { 50% { transform: translateY(-10px); } }

/* Scroll-down indicator */
.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: var(--s-3);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  min-width: 44px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-indicator__mouse {
  display: flex;
  justify-content: center;
  width: 24px;
  height: 38px;
  padding-top: 7px;
  border: 2px solid var(--border-strong);
  border-radius: 14px;
}
.scroll-indicator__mouse span {
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scroll-wheel 1.8s var(--ease) infinite;
}
@keyframes scroll-wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* Hero intro states (JS reveals them after the loader) */
.js .hero__title .line-inner { transform: translateY(110%); }
.js [data-hero] { opacity: 0; transform: translateY(24px); }
.hero-ready .hero__title .line-inner,
.hero-ready [data-hero] {
  opacity: 1;
  transform: none;
  transition: transform 0.9s var(--ease), opacity 0.9s var(--ease);
}
.hero-ready .hero__title .line:nth-child(2) .line-inner { transition-delay: 0.1s; }
.hero-ready [data-hero] { transition-delay: calc(0.2s + var(--i, 0) * 0.08s); }

/* =========================================================================
   7. SECTIONS — SHARED
   ========================================================================= */
.section { position: relative; padding: var(--section-y) 0; }

.section-head { max-width: 680px; margin-bottom: var(--s-6); }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--s-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow span {
  font-family: var(--font-head);
  color: var(--muted);
}
.eyebrow::after {
  content: "";
  width: 40px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.section-title { font-size: var(--fs-h2); margin-bottom: var(--s-2); }
.section-sub { font-size: var(--fs-lg); color: var(--muted); }

/* =========================================================================
   8. ABOUT — BENTO GRID & STATS
   ========================================================================= */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-2);
}
.bento__tile {
  position: relative;
  padding: var(--s-3);
  border-radius: var(--r-lg);
  overflow: hidden;
  isolation: isolate;
}
.bento__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--s-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.bento__label i { color: var(--accent); }
.bento__title { font-size: var(--fs-h3); margin-bottom: var(--s-2); }
.bento__muted { font-size: var(--fs-sm); color: var(--muted); }

/* Photo tile */
.bento__photo { padding: 0; min-height: 360px; border: 1px solid var(--border); }
.about__img { position: absolute; inset: 0; border-radius: inherit; }
.about__img > img { object-position: 50% 18%; } /* keep the face in frame when the tile crops */
.bento__photo-tag {
  position: absolute;
  left: var(--s-2);
  bottom: var(--s-2);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text);
  background: var(--nav-bg);
  border: 1px solid var(--border-strong);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* Bio tile */
.about__text { color: var(--muted); font-size: var(--fs-lg); }
.about__text + .about__text { margin-top: var(--s-2); }

/* Stats strip */
.bento__stats { padding: var(--s-2); }
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--border);
}
.stat {
  padding: var(--s-3) var(--s-2);
  background: var(--bg-elev);
  text-align: center;
}
.stat__value {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2rem, 1.6rem + 1.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: var(--fs-xs); color: var(--muted); font-weight: 500; }

/* Currently tile */
.now-list { display: grid; gap: 10px; }
.now-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.now-list i {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

/* Location tile with animated rings */
.bento__loc { min-height: 220px; }
.bento__globe {
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 200px;
  height: 200px;
  opacity: 0.7;
  z-index: -1;
  pointer-events: none;
}
.bento__globe span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(99, 102, 241, 0.35);
  animation: ripple 4.5s var(--ease) infinite;
}
.bento__globe span:nth-child(2) { animation-delay: 1.5s; }
.bento__globe span:nth-child(3) { animation-delay: 3s; }
@keyframes ripple {
  0% { transform: scale(0.3); opacity: 1; }
  100% { transform: scale(1.2); opacity: 0; }
}
.bento__time {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.bento__tz { font-size: var(--fs-xs); font-weight: 500; color: var(--muted); font-family: var(--font-body); }

/* CTA tile (gradient) */
.bento__cta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s-2);
  color: #fff;
  background: var(--grad);
  box-shadow: 0 30px 60px -30px var(--glow);
}
.bento__cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.45), transparent 55%);
}
.bento__cta .bento__label, .bento__cta .bento__label i { color: rgba(255, 255, 255, 0.85); }
.bento__cta .bento__title { font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem); color: #fff; }
.bento__cta-actions { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); }
.btn--light { color: #1E1B4B; background: #fff; }
.btn--light:hover { box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.4); }
.bento__arrow {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: transform 0.4s var(--ease), background-color 0.3s;
}
.bento__arrow:hover { background: rgba(255, 255, 255, 0.15); transform: rotate(-45deg); }

/* =========================================================================
   8b. SERVICES
   ========================================================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--s-2);
}
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--s-4) var(--s-3);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.5s var(--ease), background-color 0.4s;
}
.service-card:hover { transform: translateY(-6px); background: var(--surface-hover); }
.service-card__top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--s-1); }
.service-card__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  font-size: 1.35rem;
  color: var(--text);
  background: var(--surface-hover);
  border: 1px solid var(--border-strong);
  transition: color 0.4s, background 0.4s, border-color 0.4s, transform 0.5s var(--ease);
}
.service-card:hover .service-card__icon {
  color: #fff;
  background: var(--grad);
  border-color: transparent;
  transform: rotate(-8deg) scale(1.05);
}
.service-card__num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-strong);
  transition: -webkit-text-stroke-color 0.4s;
}
.service-card:hover .service-card__num { -webkit-text-stroke-color: var(--primary); }
.service-card__title { font-size: var(--fs-h3); }
.service-card__text { font-size: var(--fs-sm); color: var(--muted); }
.service-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: var(--s-1); }
.service-card__tags li {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
}

/* =========================================================================
   8c. SPOTLIGHT BORDER (cursor-following gradient ring on cards)
   ========================================================================= */
[data-spotlight] { position: relative; }
[data-spotlight]::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  padding: 1px;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, -999px) var(--my, -999px), rgba(139, 92, 246, 0.9), rgba(34, 211, 238, 0.4) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}
[data-spotlight]:hover::after { opacity: 1; }
@media (hover: none) { [data-spotlight]::after { display: none; } }

/* =========================================================================
   8d. HERO SPOTLIGHT · FEATURED PROJECT · FOOTER WORDMARK
   ========================================================================= */
.hero__spot {
  position: absolute;
  top: -300px;
  left: -300px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.22), transparent 65%);
  opacity: 0;
  transition: opacity 0.6s;
  will-change: transform;
}
.hero.spot-on .hero__spot { opacity: 1; }

.project-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: #FBBF24;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.3);
  vertical-align: middle;
}
:root[data-theme="light"] .project-card__badge { color: #B45309; }

.footer__wordmark {
  margin-top: var(--s-4);
  font-family: var(--font-head);
  font-size: clamp(2.75rem, 10vw, 9rem);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.05em;
  text-align: center;
  white-space: nowrap;
  background: linear-gradient(180deg, var(--border-strong), transparent 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  overflow: hidden;
}

/* =========================================================================
   9. SKILLS & MARQUEE
   ========================================================================= */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--s-3);
}

.skill-card {
  position: relative;
  padding: var(--s-4) var(--s-3);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
/* Cursor-following glow (position set via --mx / --my in JS) */
.skill-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 0%), rgba(99, 102, 241, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.skill-card:hover { border-color: rgba(99, 102, 241, 0.45); transform: translateY(-6px); }
.skill-card:hover::before { opacity: 1; }

.skill-card__head { display: flex; align-items: center; gap: var(--s-2); margin-bottom: var(--s-3); }
.skill-card__icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  font-size: 1.25rem;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 10px 30px -10px var(--glow);
}
.skill-card__title { font-size: var(--fs-h3); }
.skill-card__count { font-size: var(--fs-xs); color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.3s, background-color 0.3s;
}
.chip i { color: var(--accent); font-size: 0.95em; }
.chip:hover { border-color: var(--border-strong); background: var(--surface-hover); }

/* Infinite marquee — pure CSS; content duplicated by JS for a seamless loop */
.marquee {
  display: grid;
  gap: var(--s-2);
  margin-top: var(--s-10);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__row { display: flex; overflow: hidden; }
.marquee__track {
  display: flex;
  flex-shrink: 0;
  gap: var(--s-2);
  padding-right: var(--s-2);
  width: max-content;
  animation: marquee 45s linear infinite;
}
.marquee__row--reverse .marquee__track { animation-direction: reverse; animation-duration: 55s; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-radius: var(--r-full);
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
}
.marquee__item i { font-size: 1.25rem; color: var(--text); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================================
   10. EXPERIENCE TIMELINE
   ========================================================================= */
.timeline { position: relative; padding-left: 48px; }
.timeline__line {
  position: absolute;
  top: 8px; bottom: 8px;
  left: 17px;
  width: 2px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.timeline__progress {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--primary), var(--secondary), var(--accent));
  transform-origin: top;
  transform: scaleY(0);
}
.timeline__list { display: grid; gap: var(--s-4); }

.timeline__item { position: relative; }
.timeline__dot {
  position: absolute;
  top: 28px;
  left: -40px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  transition: border-color 0.4s, box-shadow 0.4s, background-color 0.4s;
}
.timeline__item.is-active .timeline__dot {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.2), 0 0 24px var(--glow);
}

.timeline__side { display: none; }
.timeline__side-period { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.timeline__side-roles { font-size: var(--fs-xs); color: var(--muted); }

.exp-card { padding: var(--s-3); transition: border-color 0.4s, transform 0.5s var(--ease); }
.exp-card:hover { border-color: rgba(99, 102, 241, 0.4); }
.exp-card__head { display: flex; gap: var(--s-2); align-items: center; margin-bottom: var(--s-2); }
.exp-card__logo {
  position: relative;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface-hover);
  border: 1px solid var(--border);
}
.exp-card__logo img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: contain; padding: 6px; background: var(--bg-elev); }
.exp-card__logo img.is-missing { display: none; }
.exp-card__initials {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--muted);
  border: 2px dashed var(--border-strong);
  border-radius: inherit;
}
.exp-card__company { font-size: var(--fs-h3); margin-bottom: 4px; }
.exp-card__period {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--muted);
}
.badge-current {
  padding: 2px 10px;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--success);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.exp-card__roles { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--s-2); }
.role-tag {
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text);
  background: rgba(99, 102, 241, 0.14);
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.exp-card__points { display: grid; gap: 8px; }
.exp-card__points li {
  position: relative;
  padding-left: 24px;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.exp-card__points li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grad);
  transform: rotate(45deg);
}

/* =========================================================================
   11. PROJECTS, FILTERS & MODAL
   ========================================================================= */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
  margin-bottom: var(--s-5);
}
.filter-btn {
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: color 0.3s, background-color 0.3s, border-color 0.3s;
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.is-active { color: #fff; background: var(--grad); border-color: transparent; }
.filter-btn__count { margin-left: 6px; font-size: 0.75rem; opacity: 0.7; }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--s-3);
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease), opacity 0.35s var(--ease), border-color 0.4s, box-shadow 0.4s;
  will-change: transform;
}
.project-card:hover { border-color: rgba(99, 102, 241, 0.45); box-shadow: 0 30px 60px -30px var(--glow); }
.project-card.is-tilting { transition: transform 0.1s linear, opacity 0.35s, border-color 0.4s, box-shadow 0.4s; }

/* Filter transition states */
.project-card.is-leaving { opacity: 0; transform: scale(0.92); }
.project-card.is-hidden { display: none; }
.project-card.is-entering { opacity: 0; transform: scale(0.92); }

/* Media area: a browser window sitting on a soft gradient "stage" */
.project-card__media {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--s-2) var(--s-2) 0;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(99, 102, 241, 0.22), transparent 70%),
    var(--surface-hover);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

/* ---------- Browser frame + hover-scroll screenshot ---------- */
.browser {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: 12px 12px 0 0;
  border: 1px solid var(--border-strong);
  border-bottom: 0;
  background: var(--bg-elev);
  overflow: hidden;
  box-shadow: 0 -10px 40px -20px rgba(0, 0, 0, 0.6);
  transition: transform 0.6s var(--ease);
}
.project-card:hover .browser { transform: translateY(-4px); }
.browser__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 32px;
  padding: 0 12px;
  flex-shrink: 0;
  background: var(--surface-hover);
  border-bottom: 1px solid var(--border);
}
.browser__dots { display: flex; gap: 6px; }
.browser__dots i { width: 9px; height: 9px; border-radius: 50%; background: #FF5F57; }
.browser__dots i:nth-child(2) { background: #FEBC2E; }
.browser__dots i:nth-child(3) { background: #28C840; }
.browser__url {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 70%;
  margin-inline: auto;
  padding: 3px 12px;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  color: var(--muted);
  background: var(--bg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.browser__url i { font-size: 0.6rem; color: var(--success); }

.browser__screen {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-elev);
}
/* Full-page screenshot: natural height, pinned to the top */
.browser__screen > img.shot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  object-fit: initial;
  transform: translateY(0);
  transition: transform 1s var(--ease); /* quick return when the mouse leaves */
  will-change: transform;
}
/* Desktop: scroll to the bottom of the page on hover */
.project-card:hover .browser__screen.can-scroll > img.shot,
.browser__screen.can-scroll:hover > img.shot {
  transform: translateY(var(--scroll-dist, 0));
  transition: transform var(--scroll-time, 6s) cubic-bezier(0.45, 0.05, 0.55, 0.95);
}
/* Touch: slow pan down and back while on screen */
.browser__screen.is-panning.can-scroll > img.shot {
  animation: shot-pan calc(var(--scroll-time, 6s) * 2 + 3s) ease-in-out infinite;
}
@keyframes shot-pan {
  0%, 12% { transform: translateY(0); }
  50%, 62% { transform: translateY(var(--scroll-dist, 0)); }
  100% { transform: translateY(0); }
}
/* Hint shown before hovering */
.browser__screen.can-scroll::after {
  content: "Hover to scroll";
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: rgba(10, 10, 15, 0.7);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: opacity 0.3s;
  pointer-events: none;
}
.project-card:hover .browser__screen::after { opacity: 0; }
@media (hover: none) { .browser__screen.can-scroll::after { display: none; } }

.projects__more { display: flex; justify-content: center; margin-top: var(--s-5); }
.projects__more[hidden] { display: none; }

.project-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: end center;
  padding-bottom: var(--s-2);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.project-card__overlay span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  background: rgba(10, 10, 15, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.25);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transform: translateY(12px);
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__overlay,
.project-card:focus-within .project-card__overlay { opacity: 1; }
.project-card:hover .project-card__overlay span { transform: none; }

.project-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
  padding: var(--s-3);
}
.project-card__cat {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.project-card__title { font-size: var(--fs-h3); }
/* Stretched button makes the whole card clickable while staying accessible */
.project-card__open { text-align: left; font: inherit; letter-spacing: inherit; }
.project-card__open::after { content: ""; position: absolute; inset: 0; z-index: 3; }
.project-card__open:focus-visible { outline: none; }
.project-card:has(.project-card__open:focus-visible) { outline: 2px solid var(--accent); outline-offset: 3px; }
.project-card__desc {
  font-size: var(--fs-sm);
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-hover);
  border: 1px solid var(--border);
}
.project-card__links {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
  margin-top: auto;
  padding-top: var(--s-1);
}
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text);
  background: var(--surface-hover);
  border: 1px solid var(--border);
  transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}
.link-btn:hover { border-color: var(--primary); color: #fff; background: var(--primary); }
.is-disabled { opacity: 0.45; cursor: not-allowed; }
.link-btn.is-disabled:hover, .btn.is-disabled:hover {
  color: var(--text);
  background: var(--surface-hover);
  border-color: var(--border);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: grid;
  place-items: center;
  padding: var(--s-2);
}
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 10, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 820px;
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: var(--r-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  transition: opacity 0.35s var(--ease), transform 0.45s var(--ease);
}
.modal.is-open .modal__backdrop { opacity: 1; }
.modal.is-open .modal__dialog { opacity: 1; transform: none; }
.modal__close {
  position: sticky;
  top: 12px;
  float: right;
  margin: 12px 12px -56px 0;
  z-index: 5;
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.modal__browser { margin: var(--s-2) var(--s-2) 0; border-radius: 12px 12px 0 0; }
.modal__browser .browser__screen {
  aspect-ratio: auto;
  height: min(60vh, 560px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.modal__browser .browser__screen > img.shot { position: relative; transform: none !important; animation: none !important; }
.modal__browser .browser__screen::after { content: none; }
.modal__body { padding: var(--s-3); display: grid; gap: var(--s-2); }
.modal__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
.modal__text { color: var(--muted); }
.modal__subtitle {
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font-body);
  font-weight: 600;
  margin-top: var(--s-1);
}
.modal__features { display: grid; gap: 8px; }
.modal__features li { display: flex; gap: 10px; align-items: baseline; color: var(--muted); font-size: var(--fs-sm); }
.modal__features i { color: var(--success); }
.modal__links { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-1); }

/* =========================================================================
   12. EDUCATION
   ========================================================================= */
.education__grid { display: grid; gap: var(--s-3); }

.edu-card {
  position: relative;
  display: grid;
  gap: var(--s-2);
  padding: var(--s-3);
  overflow: hidden;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.edu-card:hover { border-color: rgba(99, 102, 241, 0.4); transform: translateY(-4px); }
.edu-card__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  font-size: 1.25rem;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.edu-card__text { display: grid; gap: 8px; align-content: center; }
.edu-card__top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); margin-bottom: 8px; }
.edu-card__period {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--muted);
  background: var(--surface-hover);
  border: 1px solid var(--border);
}
.edu-card__title { font-size: var(--fs-h3); }
.edu-card__subtitle { color: var(--text); font-weight: 500; font-size: var(--fs-sm); }
.edu-card__inst { color: var(--muted); font-size: var(--fs-sm); }
.edu-card__desc { color: var(--muted); font-size: var(--fs-sm); }
.edu-card__media { border-radius: var(--r); aspect-ratio: 1200 / 850; border: 1px solid var(--border); }

.edu-card--featured { border-color: rgba(99, 102, 241, 0.3); }
.edu-card--featured::before {
  content: "";
  position: absolute;
  top: -80px; right: -80px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  pointer-events: none;
}

/* =========================================================================
   13. TESTIMONIALS SLIDER
   ========================================================================= */
.slider { max-width: 820px; margin-inline: auto; }
.slider__viewport {
  overflow: hidden;
  border-radius: var(--r-lg);
  touch-action: pan-y;
}
.slider__track {
  display: flex;
  transition: transform 0.7s var(--ease);
  will-change: transform;
}
.slider__track.is-dragging { transition: none; }
.slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 2px;
  user-select: none;
}
.testimonial {
  position: relative;
  padding: var(--s-5) var(--s-3) var(--s-4);
  text-align: center;
}
.testimonial__quote-icon {
  font-size: 2rem;
  color: var(--primary);
  opacity: 0.6;
  margin-bottom: var(--s-2);
}
.testimonial__text {
  font-size: clamp(1.0625rem, 1rem + 0.5vw, 1.3125rem);
  line-height: 1.6;
  color: var(--text);
  margin-bottom: var(--s-4);
}
.testimonial__author { display: inline-flex; align-items: center; gap: var(--s-2); text-align: left; }
.testimonial__avatar {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid var(--primary);
}
.testimonial__avatar .ph { padding: 2px; font-size: 0.5rem; gap: 0; border-width: 1px; }
.testimonial__avatar .ph i { font-size: 0.9rem; margin: 0; }
.testimonial__avatar .ph small { display: none; }
.testimonial__name { font-family: var(--font-head); font-weight: 600; }
.testimonial__role { font-size: var(--fs-xs); color: var(--muted); }

.slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  margin-top: var(--s-3);
}
.slider__dots { display: flex; gap: 4px; }
.slider__dot {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
}
.slider__dot span {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  background: var(--border-strong);
  transition: transform 0.4s var(--ease), background-color 0.3s;
}
.slider__dot[aria-current="true"] span { background: var(--grad); transform: scaleX(3); }

/* =========================================================================
   14. CONTACT & FORM
   ========================================================================= */
.contact__grid { display: grid; gap: var(--s-3); }
.contact__info { display: grid; gap: var(--s-2); align-content: start; }

.info-card {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3) var(--s-2) var(--s-2);
  border-radius: var(--r);
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
a.info-card:hover, .info-card:hover { border-color: rgba(99, 102, 241, 0.4); }
.info-card__icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: #fff;
  background: var(--grad);
}
.info-card__body { display: grid; min-width: 0; flex: 1; }
.info-card__label { font-size: var(--fs-xs); color: var(--muted); }
.info-card__value {
  font-weight: 600;
  overflow-wrap: anywhere;
  min-height: 24px;
}
a.info-card__value:hover { color: var(--accent); }
.info-card__action {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.25rem;
  color: #25D366;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.3);
  transition: background-color 0.3s, color 0.3s;
}
.info-card__action:hover { background: #25D366; color: #fff; }

.quick-chat {
  position: relative;
  display: grid;
  gap: 12px;
  justify-items: start;
  margin-top: var(--s-1);
  padding: var(--s-3);
  border-radius: var(--r-lg);
  color: #fff;
  background: var(--grad);
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 30px 60px -30px var(--glow);
}
.quick-chat::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.45), transparent 55%);
}
.quick-chat .bento__label { margin-bottom: 0; color: rgba(255, 255, 255, 0.85); }
.quick-chat .bento__label i { color: #fff; }
.quick-chat__text { font-size: var(--fs-sm); color: rgba(255, 255, 255, 0.9); }

.contact__form { display: grid; gap: var(--s-2); padding: var(--s-3); }
.form-row { display: grid; gap: var(--s-2); }
.field { display: grid; gap: 6px; }
.field label { font-size: var(--fs-sm); font-weight: 500; }
.field input, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  font-size: var(--fs-base);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: 0.7; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  background: var(--surface-hover);
}
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field.has-error input:focus, .field.has-error textarea:focus { box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.2); }
.field__error {
  min-height: 0;
  font-size: var(--fs-xs);
  color: var(--danger);
}
.field__error:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.btn .spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

/* =========================================================================
   15. FOOTER · BACK TO TOP · TOASTS
   ========================================================================= */
.footer {
  position: relative;
  padding: var(--s-8) 0 var(--s-4);
  border-top: 1px solid var(--border);
}
.footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 50%;
  width: min(600px, 80%);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}
.footer__top { display: grid; gap: var(--s-4); margin-bottom: var(--s-5); }
.footer__brand p { margin-top: var(--s-2); max-width: 320px; color: var(--muted); font-size: var(--fs-sm); }
.footer__links { display: flex; flex-wrap: wrap; gap: 0 var(--s-1); }
.footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  font-size: var(--fs-sm);
  color: var(--muted);
  transition: color 0.3s;
}
.footer__links a:hover { color: var(--text); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-1);
  padding-top: var(--s-3);
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--muted);
}

.back-to-top {
  position: fixed;
  right: var(--s-2);
  bottom: var(--s-2);
  z-index: 800;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: var(--text);
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover i { transform: translateY(-3px); }
.back-to-top i { position: relative; transition: transform 0.3s var(--ease); }
.back-to-top svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.back-to-top circle { fill: none; stroke-width: 2.5; }
.back-to-top__track { stroke: var(--border); }
.back-to-top__ring {
  stroke: var(--primary);
  stroke-linecap: round;
  stroke-dasharray: 138.23;
  stroke-dashoffset: 138.23;
}

.toasts {
  position: fixed;
  left: var(--s-2);
  right: var(--s-2);
  bottom: calc(var(--s-2) + 64px);
  z-index: 2600;
  display: grid;
  gap: var(--s-1);
  justify-items: center;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  max-width: 420px;
  padding: var(--s-2);
  border-radius: var(--r);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.toast.is-visible { opacity: 1; transform: none; }
.toast__icon { font-size: 1.25rem; line-height: 1.4; }
.toast--success .toast__icon { color: var(--success); }
.toast--error .toast__icon { color: var(--danger); }
.toast__title { font-weight: 600; font-size: var(--fs-sm); }
.toast__msg { font-size: var(--fs-xs); color: var(--muted); }
.toast__close { margin-left: auto; width: 32px; height: 32px; flex-shrink: 0; color: var(--muted); border-radius: 50%; }
.toast__close:hover { color: var(--text); background: var(--surface-hover); }

/* =========================================================================
   16. REVEAL ANIMATIONS
   Hidden only when JS is running. GSAP animates inline styles; the
   IntersectionObserver fallback uses the .is-visible class + transitions.
   ========================================================================= */
.js [data-reveal] { opacity: 0; transform: translateY(32px); }
.reveal-io [data-reveal] {
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* =========================================================================
   17. BREAKPOINTS
   ========================================================================= */
@media (min-width: 480px) {
  :root { --gutter: 24px; }
  .portrait { --w: 300px; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .toasts { left: auto; right: var(--s-3); justify-items: end; bottom: calc(var(--s-3) + 64px); }
  .back-to-top { right: var(--s-3); bottom: var(--s-3); }
  .testimonial { padding: var(--s-6) var(--s-5) var(--s-5); }
}

@media (min-width: 768px) {
  :root { --gutter: 32px; }
  .nav__cv { display: inline-flex; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .bento { grid-template-columns: repeat(6, 1fr); }
  .bento__tile { padding: var(--s-4); }
  .bento__photo { grid-column: span 2; grid-row: span 2; padding: 0; }
  .bento__bio { grid-column: span 4; }
  .bento__stats { grid-column: span 4; padding: var(--s-2); }
  .bento__now { grid-column: span 3; }
  .bento__loc { grid-column: span 3; }
  .bento__cta { grid-column: span 6; }
  .timeline { padding-left: 64px; }
  .timeline__line { left: 25px; }
  .timeline__dot { left: -48px; }
  .exp-card { padding: var(--s-4); }
  .education__grid { grid-template-columns: repeat(2, 1fr); }
  .edu-card--featured { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; align-items: center; column-gap: var(--s-4); }
  .contact__form { padding: var(--s-4); }
  .footer__top { grid-template-columns: 1.2fr 1.5fr auto; align-items: start; }
  .modal { padding: var(--s-4); }
  .modal__body { padding: var(--s-4); }
  .scroll-indicator { display: flex; }
}

@media (min-width: 1024px) {
  :root { --nav-h: 80px; }
  .hamburger { display: none; }
  .nav__links { display: block; }
  .mobile-menu, .mobile-menu__backdrop { display: none; }

  .hero__inner { grid-template-columns: 1.15fr 0.85fr; gap: var(--s-8); }
  .hero__visual { order: 0; justify-content: flex-end; }
  .hero__content { text-align: left; }
  .hero__tagline { margin-inline: 0; }
  .hero__cta, .hero__socials { justify-content: flex-start; }
  .portrait { --w: clamp(340px, 29vw, 420px); }
  .hero__stats { justify-content: flex-start; }
  .blob--1 { width: 600px; height: 600px; }
  .blob--2 { width: 520px; height: 520px; }

  .bento { grid-template-columns: repeat(12, 1fr); }
  .bento__photo { grid-column: span 4; grid-row: span 2; }
  .bento__bio { grid-column: span 8; }
  .bento__stats { grid-column: span 8; }
  .bento__now { grid-column: span 5; }
  .bento__loc { grid-column: span 3; }
  .bento__cta { grid-column: span 4; }
  .services__grid { grid-template-columns: repeat(3, 1fr); }

  /* Featured project = large bento cell */
  .projects__grid { grid-auto-flow: dense; }
  .project-card--featured { grid-column: span 2; grid-row: span 2; }
  .project-card--featured .project-card__media { flex: 1; }
  .project-card--featured .browser__screen { flex: 1; aspect-ratio: auto; min-height: 360px; }
  .project-card--featured .project-card__body { flex: none; }
  .project-card--featured .project-card__title { font-size: clamp(1.375rem, 1.1rem + 0.8vw, 1.75rem); }

  .skills__grid { grid-template-columns: repeat(3, 1fr); }
  .projects__grid { grid-template-columns: repeat(3, 1fr); }
  .contact__grid { grid-template-columns: 0.8fr 1.2fr; gap: var(--s-4); }

  /* Timeline: date column on the left of the line */
  .timeline { padding-left: 0; }
  .timeline__line { left: 219px; }
  .timeline__item { display: grid; grid-template-columns: 180px 1fr; column-gap: 80px; }
  .timeline__dot { left: 210px; }
  .timeline__side { display: block; padding-top: 24px; text-align: right; }
  .timeline__side .badge-current { display: inline-block; margin-top: 8px; }
  .exp-card__period { display: none; }
}

@media (min-width: 1440px) {
  :root { --container: 1280px; }
}

/* Desktop-only hover effects */
@media (hover: none) {
  .project-card__overlay { display: none; }
  .skill-card:hover, .edu-card:hover, .stat:hover { transform: none; }
}

/* =========================================================================
   18. REDUCED MOTION
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .blob, .portrait__orbit, .portrait__badge, .portrait__chip, .marquee__track, .bento__globe span { animation: none !important; }
  .marquee__row { overflow-x: auto; }
  .js [data-reveal], .js [data-hero], .js .hero__title .line-inner { opacity: 1; transform: none; }
  .caret { animation: none; }
}