/* =============================================================
   Sudin Shrestha — Portfolio
   A premium, animated, responsive portfolio.
   ============================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg: #08080b;
  --bg-2: #0e0e13;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4f6;
  --text-dim: #a8a8b3;
  --text-faint: #6a6a77;

  --accent: #c9b6ff;
  --accent-2: #7c5cff;
  --accent-3: #22d3ee;

  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
  --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.35);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-serif: 'Instrument Serif', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --max: 1280px;
  --gutter: clamp(16px, 3.5vw, 40px);
}

html[data-theme="light"] {
  --bg: #f7f6f3;
  --bg-2: #eeece6;
  --surface: rgba(10, 10, 14, 0.04);
  --surface-2: rgba(10, 10, 14, 0.06);
  --border: rgba(10, 10, 14, 0.1);
  --border-strong: rgba(10, 10, 14, 0.2);
  --text: #0c0c10;
  --text-dim: #4c4c55;
  --text-faint: #8a8a90;
  --accent: #5a3ef0;
  --accent-2: #7c5cff;
  --accent-3: #0ea5e9;
  --shadow: 0 30px 80px -20px rgba(60, 40, 120, 0.2);
  --shadow-soft: 0 10px 40px -10px rgba(60, 40, 120, 0.12);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

body {
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
a { color: inherit; text-decoration: none; }

.italic { font-family: var(--font-serif); font-style: italic; font-weight: 400; letter-spacing: 0.01em; }

::selection { background: var(--accent-2); color: #fff; }

/* ---------- Aurora background ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  mix-blend-mode: screen;
  animation: float 18s infinite ease-in-out;
}
html[data-theme="light"] .blob { mix-blend-mode: multiply; opacity: 0.35; }
.blob-1 { background: radial-gradient(circle, #7c5cff 0%, transparent 60%); top: -20%; left: -10%; }
.blob-2 { background: radial-gradient(circle, #22d3ee 0%, transparent 60%); bottom: -20%; right: -10%; animation-delay: -6s; }
.blob-3 { background: radial-gradient(circle, #f472b6 0%, transparent 60%); top: 30%; left: 50%; animation-delay: -12s; opacity: 0.35; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(10vw, -5vh) scale(1.1); }
  66%      { transform: translate(-8vw, 6vh) scale(0.95); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--border) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(90deg, var(--border) 1px, transparent 1px) 0 0 / 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  opacity: 0.5;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
  z-index: 200;
  transition: width 0.1s linear;
}

/* ---------- Custom cursor ---------- */
.cursor, .cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 300;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
}
.cursor {
  width: 32px;
  height: 32px;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  transition: width 0.25s var(--ease), height 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.cursor-dot {
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
}
.cursor.hover {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 1);
}
@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-inner { width: min(320px, 70vw); text-align: center; }
.preloader-name {
  font-family: var(--font-serif);
  font-size: clamp(48px, 10vw, 96px);
  line-height: 1;
  letter-spacing: 0.02em;
  display: flex;
  justify-content: center;
  gap: 0.02em;
  margin-bottom: 24px;
}
.preloader-name span {
  display: inline-block;
  opacity: 0;
  transform: translateY(16px);
  animation: pl-letter 0.8s var(--ease-out) forwards;
}
.preloader-name span:nth-child(1) { animation-delay: 0.05s; }
.preloader-name span:nth-child(2) { animation-delay: 0.15s; }
.preloader-name span:nth-child(3) { animation-delay: 0.25s; }
.preloader-name span:nth-child(4) { animation-delay: 0.35s; }
.preloader-name span:nth-child(5) { animation-delay: 0.45s; }
@keyframes pl-letter {
  to { opacity: 1; transform: translateY(0); }
}
.preloader-bar {
  height: 2px;
  width: 100%;
  background: var(--border);
  overflow: hidden;
  border-radius: 2px;
}
.preloader-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
  animation: pl-fill 1.4s var(--ease-out) forwards 0.2s;
}
@keyframes pl-fill { to { width: 100%; } }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(var(--max), calc(100% - 32px));
  padding: 10px 14px 10px 20px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--border);
  transition: transform 0.5s var(--ease), padding 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.scrolled {
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  padding: 8px 14px 8px 18px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 15px;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff;
  font-size: 13px;
  animation: spin 14s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.brand-name span { color: var(--accent-2); }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-strong); transform: rotate(15deg); }
.theme-toggle svg { position: absolute; transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); }
.theme-toggle .sun { opacity: 0; transform: translateY(12px) rotate(-90deg); }
.theme-toggle .moon { opacity: 1; transform: translateY(0) rotate(0); }
html[data-theme="light"] .theme-toggle .sun { opacity: 1; transform: translateY(0) rotate(0); }
html[data-theme="light"] .theme-toggle .moon { opacity: 0; transform: translateY(-12px) rotate(90deg); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  transition: transform 0.25s var(--ease), letter-spacing 0.25s var(--ease);
}
.nav-cta em { font-style: normal; transition: transform 0.3s var(--ease); }
.nav-cta:hover { transform: translateY(-1px); }
.nav-cta:hover em { transform: translateX(4px); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 10px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
}
.menu-toggle span {
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    background: color-mix(in oklab, var(--bg) 92%, transparent);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { padding: 14px 16px; border-bottom: 1px solid var(--border); }
  .nav-links a:last-child { border-bottom: 0; }
  .menu-toggle { display: flex; }
  .nav-cta { display: none; }
}

/* ---------- Layout ---------- */
main { position: relative; z-index: 1; }
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 160px) var(--gutter);
  position: relative;
}
.section-head { margin-bottom: clamp(40px, 6vw, 72px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.eyebrow em {
  font-style: normal;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 12px;
}

.section-title {
  font-size: clamp(40px, 6.5vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0;
  max-width: 18ch;
}
.section-title.big { font-size: clamp(48px, 8vw, 104px); }

.lead {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--text-dim);
  max-width: 58ch;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(120px, 15vw, 180px) var(--gutter) clamp(80px, 10vw, 120px);
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
  width: max-content;
  margin-bottom: 28px;
}
.hero-meta .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}

.hero-title {
  font-size: clamp(56px, 10vw, 144px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin: 0 0 32px;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .word {
  display: inline-block;
  will-change: transform;
}

.hero-statement {
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--text-dim);
  max-width: 62ch;
  margin: 0 0 40px;
}
.hero-statement .hl {
  color: var(--text);
  background: linear-gradient(120deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(48px, 8vw, 80px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  will-change: transform;
}
.btn svg { transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 60px -20px rgba(124, 92, 255, 0.4); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 3vw, 32px);
  padding-top: 36px;
  border-top: 1px solid var(--border);
  max-width: 680px;
}
.stat .num {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  background: linear-gradient(180deg, var(--text) 40%, var(--text-dim));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .lbl {
  font-size: 12.5px;
  line-height: 1.3;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.scroll-indicator {
  position: absolute;
  right: var(--gutter);
  bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  writing-mode: vertical-rl;
}
.scroll-indicator .line-v {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-indicator .line-v::after {
  content: "";
  position: absolute;
  top: -40%;
  left: 0;
  width: 100%;
  height: 40%;
  background: var(--accent-2);
  animation: trickle 2.5s infinite var(--ease);
}
@keyframes trickle {
  0% { top: -40%; }
  100% { top: 120%; }
}
@media (max-width: 900px) { .scroll-indicator { display: none; } }

.marquee {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 32px);
  color: var(--text-dim);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  width: max-content;
}
.marquee-track span:nth-child(even) { color: var(--accent-2); font-family: var(--font-sans); font-size: 0.7em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.about-copy p { font-size: clamp(15px, 1.15vw, 17px); line-height: 1.65; color: var(--text-dim); margin: 0 0 16px; }
.about-copy p.lead { color: var(--text); font-size: clamp(18px, 1.5vw, 22px); line-height: 1.5; }
.about-copy strong { color: var(--text); font-weight: 600; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.chips span {
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
  transition: all 0.25s var(--ease);
}
.chips span:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 100px;
}
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.card-row:last-child { border-bottom: 0; }
.card-row span { color: var(--text-faint); }
.card-row strong { font-weight: 500; color: var(--text); }
.avail { display: inline-flex; align-items: center; gap: 8px; }
.avail .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25);
}

.stack { margin-top: clamp(48px, 7vw, 80px); }
.stack-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 24px;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}
.tech {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}
.tech:hover {
  background: var(--surface-2);
  border-color: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(124, 92, 255, 0.35);
}
.tech .ti {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
}

/* ---------- Work / Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.project {
  grid-column: span 3;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
  backdrop-filter: blur(20px);
  cursor: pointer;
}
.project.big { grid-column: span 6; flex-direction: row; }
.project:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.project-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--a, #7c5cff), var(--b, #22d3ee));
  overflow: hidden;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.project.big .project-visual { flex: 1.2; aspect-ratio: auto; min-height: 420px; }
.project-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.25), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.25), transparent 40%);
}
.project:hover .mock { transform: scale(1.03) rotate(-0.5deg); }
.mock {
  position: relative;
  z-index: 1;
  width: 80%;
  transition: transform 0.7s var(--ease);
}

/* mock: dashboard */
.mock-dashboard {
  background: rgba(10, 10, 14, 0.75);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}
.mock-dashboard .m-top { display: flex; gap: 6px; margin-bottom: 12px; }
.mock-dashboard .m-top i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.3); }
.mock-dashboard .m-body { display: grid; grid-template-columns: 60px 1fr; gap: 10px; }
.mock-dashboard .m-side { height: 140px; border-radius: 8px; background: rgba(255, 255, 255, 0.08); }
.mock-dashboard .m-main { display: flex; flex-direction: column; gap: 10px; }
.mock-dashboard .m-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
}
.mock-dashboard .m-chart span {
  flex: 1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.4));
  border-radius: 4px;
}
.mock-dashboard .m-chart span:nth-child(1) { height: 30%; }
.mock-dashboard .m-chart span:nth-child(2) { height: 60%; }
.mock-dashboard .m-chart span:nth-child(3) { height: 45%; }
.mock-dashboard .m-chart span:nth-child(4) { height: 80%; }
.mock-dashboard .m-chart span:nth-child(5) { height: 55%; }
.mock-dashboard .m-chart span:nth-child(6) { height: 95%; }
.mock-dashboard .m-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mock-dashboard .m-cards div { height: 36px; border-radius: 6px; background: rgba(255, 255, 255, 0.08); }

/* mock: mobile */
.mock-mobile { display: grid; place-items: center; }
.phone {
  width: 130px;
  height: 240px;
  border-radius: 24px;
  background: #111;
  padding: 8px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}
.phone .screen {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 10px;
}
.phone .s-head { height: 40px; background: rgba(255, 255, 255, 0.15); border-radius: 8px; margin-bottom: 10px; }
.phone .s-cards { display: flex; flex-direction: column; gap: 6px; }
.phone .s-cards div { height: 28px; border-radius: 6px; background: rgba(255, 255, 255, 0.1); }

/* mock: code */
.mock-code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(10, 10, 14, 0.75);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
  color: #e2e2e6;
}
.code-lines span { display: block; line-height: 1.8; }
.tk-k { color: #f472b6; font-style: italic; }
.tk-v { color: #60a5fa; }
.tk-f { color: #34d399; }
.tk-p { color: #fbbf24; }
.tk-s { color: #a78bfa; }
.tk-n { color: #f87171; }

/* mock: ecommerce */
.mock-ecom { display: flex; flex-direction: column; gap: 6px; }
.ecom-hero { height: 80px; background: rgba(255, 255, 255, 0.2); border-radius: 10px; }
.ecom-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.ecom-row div { aspect-ratio: 1; background: rgba(255, 255, 255, 0.15); border-radius: 8px; }

/* mock: AI chat */
.mock-ai { display: flex; flex-direction: column; gap: 8px; }
.ai-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 11.5px;
  color: #fff;
  max-width: 80%;
  backdrop-filter: blur(6px);
}
.ai-bubble.ai-res { align-self: flex-end; background: rgba(0, 0, 0, 0.3); }

/* mock: map */
.mock-map {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(10, 10, 14, 0.5);
}
.map-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px) 0 0 / 24px 24px;
}
.pin {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
  animation: pulse 2s infinite;
}
.pin-1 { top: 25%; left: 30%; }
.pin-2 { top: 55%; left: 65%; animation-delay: 0.5s; }
.pin-3 { top: 70%; left: 35%; animation-delay: 1s; }

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.project.big .project-body { padding: clamp(28px, 4vw, 44px); justify-content: center; flex: 1; }
.project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.project h3 { font-size: clamp(22px, 2.4vw, 32px); margin: 0; letter-spacing: -0.02em; font-weight: 600; }
.project.big h3 { font-size: clamp(28px, 3.2vw, 44px); }
.project p { margin: 0; color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span {
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--text-dim);
}
.project-links { display: flex; gap: 16px; margin-top: 4px; }
.plink {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.plink:hover { color: var(--accent-2); border-color: var(--accent-2); }
.plink em { font-style: normal; transition: transform 0.25s var(--ease); }
.plink:hover em { transform: translate(2px, -2px); }

@media (max-width: 900px) {
  .projects { grid-template-columns: 1fr; }
  .project, .project.big { grid-column: span 1; flex-direction: column; }
  .project.big .project-visual { min-height: 260px; aspect-ratio: 16 / 10; }
}

/* ---------- Experience / Timeline ---------- */
.timeline {
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 880px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 172px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-strong) 10%, var(--border-strong) 90%, transparent);
}
.t-item {
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-left: 0;
}
.t-dot {
  position: absolute;
  left: 166px;
  top: 18px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-2);
  z-index: 1;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.t-item:hover .t-dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.15);
}
.t-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  padding-top: 14px;
  padding-right: 16px;
}
.t-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  backdrop-filter: blur(20px);
  transition: all 0.4s var(--ease);
}
.t-card:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateX(4px);
}
.t-card h3 { font-size: 20px; margin: 0 0 4px; font-weight: 600; letter-spacing: -0.01em; }
.t-card h4 { font-size: 13.5px; color: var(--accent-2); margin: 0 0 12px; font-weight: 500; }
.t-card p { font-size: 14.5px; line-height: 1.6; color: var(--text-dim); margin: 0 0 12px; }
.t-card ul { margin: 8px 0 0; padding: 0 0 0 18px; color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.t-card ul li { margin-bottom: 4px; }

@media (max-width: 720px) {
  .timeline::before { left: 7px; }
  .t-item { grid-template-columns: 1fr; gap: 10px; padding-left: 32px; }
  .t-dot { left: 1px; top: 6px; }
  .t-meta { text-align: left; padding: 0; font-size: 12px; }
}

/* ---------- Skills ---------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.skill-col h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  margin: 0 0 24px;
  font-weight: 500;
}
.bar { margin-bottom: 18px; }
.bar .bl {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 500;
}
.bar .bp {
  display: block;
  position: relative;
  height: 4px;
  background: var(--surface);
  border-radius: 999px;
  overflow: hidden;
}
.bar .bp::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
  border-radius: 999px;
  transition: width 1.4s var(--ease-out);
}
.bar.in-view .bp::after { width: var(--w, 0%); }

@media (max-width: 720px) { .skill-grid { grid-template-columns: 1fr; } }

/* ---------- Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(124, 92, 255, 0.1), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.service:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.service:hover::before { opacity: 1; }
.s-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
  transition: transform 0.5s var(--ease);
}
.service:hover .s-icon { transform: rotate(-8deg) scale(1.08); }
.service h3 { font-size: 22px; margin: 0 0 10px; letter-spacing: -0.01em; }
.service p { font-size: 14.5px; line-height: 1.6; color: var(--text-dim); margin: 0 0 16px; }
.service ul { list-style: none; padding: 0; margin: 0; }
.service ul li {
  font-size: 13.5px;
  color: var(--text-dim);
  padding: 8px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service ul li::before {
  content: "→";
  color: var(--accent-2);
  font-size: 14px;
}

@media (max-width: 900px) { .service-grid { grid-template-columns: 1fr; } }

/* ---------- Testimonials ---------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.quote {
  margin: 0;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  position: relative;
  transition: all 0.4s var(--ease);
}
.quote::before {
  content: "“";
  position: absolute;
  top: -12px;
  left: 24px;
  font-family: var(--font-serif);
  font-size: 80px;
  color: var(--accent-2);
  line-height: 1;
}
.quote:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-soft);
}
.quote blockquote {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.45;
  color: var(--text);
}
.quote figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.quote figcaption strong { font-size: 14px; font-weight: 600; }
.quote figcaption span { font-size: 12.5px; color: var(--text-faint); }

@media (max-width: 900px) { .quotes { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */
.contact { padding-bottom: clamp(80px, 10vw, 120px); }
.contact-center {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.contact-center .section-title { margin: 20px auto; max-width: none; }
.contact-center p.lead { margin: 0 auto 40px; text-align: center; }

.btn-big {
  padding: 18px 28px;
  font-size: 15.5px;
  margin: 0 auto 48px;
}

.contact-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 24px;
  text-align: left;
  border-top: 1px solid var(--border);
}
@media (max-width: 700px) { .contact-links-grid { grid-template-columns: 1fr; } }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--border);
}
.clink {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  transition: padding 0.35s var(--ease), color 0.35s var(--ease);
  align-items: center;
}
.clink .k { color: var(--text-faint); font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; }
.clink .v { color: var(--text); font-weight: 500; }
.clink em { font-style: normal; color: var(--text-faint); transition: transform 0.35s var(--ease), color 0.35s var(--ease); }
.clink:hover { padding-left: 12px; }
.clink:hover em { color: var(--accent-2); transform: translate(4px, -4px); }


/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px var(--gutter);
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.footer-brand h3 { margin: 0; font-size: 16px; font-weight: 600; }
.footer-brand p { margin: 2px 0 0; color: var(--text-faint); font-size: 13px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-dim);
}
.footer-links a { transition: color 0.25s var(--ease); }
.footer-links a:hover { color: var(--text); }
.footer-social {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: flex-end;
}
.footer-social a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  transition: all 0.3s var(--ease);
}
.footer-social a:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  transform: translateY(-2px);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-faint);
}
@media (max-width: 720px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-social { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

/* ---------- Reveal animations ---------- */
.reveal,
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in-view,
.reveal-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

@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;
  }
}