/* =========================================================
   Korey · Portfolio · Dark Liquid Glass variant
   Restrained · Precise · Quiet · Premium
   ========================================================= */

:root {
  /* surface */
  --bg-deep: #07080a;
  --bg: #0a0b0e;
  --bg-2: #0e1014;

  /* glass tiers */
  --glass-1: rgba(255, 255, 255, 0.035);
  --glass-2: rgba(255, 255, 255, 0.055);
  --glass-3: rgba(255, 255, 255, 0.085);
  --glass-nav: rgba(18, 19, 23, 0.55);

  /* hairlines */
  --line-1: rgba(255, 255, 255, 0.06);
  --line-2: rgba(255, 255, 255, 0.09);
  --line-3: rgba(255, 255, 255, 0.14);
  --line-bright: rgba(255, 255, 255, 0.22);

  /* type */
  --ink: #f5f5f7;
  --ink-2: #d8d8dc;
  --ink-3: #a1a1a6;
  --ink-4: #6e6e73;
  --ink-5: #48484a;

  /* the only accent — Apple system blue (dark) */
  --accent: #5d8bff;
  --accent-soft: rgba(93, 139, 255, 0.18);
  --accent-glow: rgba(93, 139, 255, 0.35);

  /* motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.35s;
  --t-mid: 0.6s;
  --t-slow: 1.1s;

  /* radii */
  --r-pill: 999px;
  --r-card: 22px;
  --r-card-lg: 28px;
  --r-sm: 12px;
}

/* =========================================================
   RESET / BASE
   ========================================================= */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "calt", "ss01";
  letter-spacing: -0.005em;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
svg { display: block; }
em { font-style: normal; }

::selection {
  background: var(--accent-soft);
  color: var(--ink);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}
.container-narrow { max-width: 760px; }
.center { text-align: center; }

/* =========================================================
   AMBIENT ENVIRONMENT
   Deep noir base + ultra-subtle aurora wash + grain + vignette
   ========================================================= */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
  transition: transform 1.4s var(--ease);
}
.aurora-1 {
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(60, 80, 160, 0.55), transparent 60%);
  top: -200px; left: -200px;
}
.aurora-2 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(120, 80, 180, 0.32), transparent 60%);
  top: 40%; right: -180px;
}
.aurora-3 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(40, 100, 140, 0.30), transparent 60%);
  bottom: -260px; left: 35%;
}

.grain {
  position: absolute;
  inset: -10%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.045;
  mix-blend-mode: overlay;
}

.vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, transparent 0%, rgba(0,0,0,0.4) 100%),
    radial-gradient(ellipse 80% 60% at 50% 100%, transparent 0%, rgba(0,0,0,0.5) 100%);
}

main, footer, nav { position: relative; z-index: 1; }

/* =========================================================
   NAV — floating glass pill
   ========================================================= */
.nav {
  position: fixed;
  top: 20px;
  left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nav-pill {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 20px;
  border-radius: var(--r-pill);
  background: var(--glass-nav);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--line-2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 20px 60px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(0, 0, 0, 0.3);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
  position: relative;
}
.nav.scrolled .nav-pill {
  background: rgba(14, 15, 19, 0.75);
  border-color: var(--line-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
  padding-right: 14px;
}
.brand-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(180deg, #e8f0ff, #5d8bff);
  box-shadow: 0 0 8px var(--accent-glow);
}
.brand-name { padding-top: 1px; }

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-left: 4px;
}
.nav-links a {
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
  border-radius: var(--r-pill);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-links a:hover {
  color: var(--ink);
  background: rgba(255,255,255,0.04);
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 30px;
  padding: 0 10px;
  margin-left: 4px;
  border-radius: var(--r-pill);
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  background: transparent;
  border: 1px solid var(--line-1);
  transition: all var(--t-fast) var(--ease);
}
.nav-lang:hover {
  color: var(--ink);
  border-color: var(--line-3);
  background: rgba(255, 255, 255, 0.04);
}

.nav-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 16px;
  margin-left: 4px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: all var(--t-fast) var(--ease);
}
.nav-action svg { transition: transform var(--t-fast) var(--ease); }
.nav-action:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: var(--line-3);
}
.nav-action:hover svg { transform: translate(2px, -2px); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: #03111d;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero::before {
  z-index: 0;
  background: url("assets/sea-cave-hero.jpg") center center / cover no-repeat;
  filter: saturate(1.05) contrast(1.03);
  transform: scale(1.025);
  animation: cave-breathe 18s var(--ease-out) infinite alternate;
}
.hero::after {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(1, 6, 11, .78) 0%, rgba(1, 8, 14, .55) 38%, rgba(1, 9, 16, .25) 68%, rgba(1, 6, 11, .42) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, .18) 0%, rgba(0, 0, 0, .04) 46%, rgba(7, 8, 10, .82) 100%);
}
@keyframes cave-breathe {
  from { transform: scale(1.025); }
  to { transform: scale(1.065); }
}
.hero-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 2;
}

.hero .scroll-hint { z-index: 2; }
.hero .display { text-shadow: 0 3px 28px rgba(0, 0, 0, .58); }
.hero .lede {
  color: rgba(255, 255, 255, .78);
  text-shadow: 0 2px 18px rgba(0, 0, 0, .62);
}
.hero .eyebrow {
  color: rgba(255, 255, 255, .78);
  background: rgba(4, 14, 24, .34);
  border-color: rgba(255, 255, 255, .14);
}
.hero .social-proof {
  background: linear-gradient(135deg, rgba(8, 32, 52, .58), rgba(3, 12, 22, .38));
  border-color: rgba(255, 255, 255, .16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.13), 0 28px 80px -34px rgba(0, 126, 255, .5);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 36px;
  padding: 6px 14px 6px 12px;
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-pill);
  backdrop-filter: blur(10px);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  position: relative;
}
.eyebrow-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(2.4); opacity: 0; }
}

.display {
  font-size: clamp(44px, 7.2vw, 96px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 0 0 36px;
  max-width: 1100px;
}
.display-em {
  background: linear-gradient(180deg, #ffffff 0%, #b8c6ff 90%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  font-weight: 500;
  position: relative;
}

.lede {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.65;
  color: var(--ink-3);
  margin: 0 0 56px;
  max-width: 560px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-proof {
  margin-top: 54px;
  max-width: 820px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: minmax(220px, .8fr) minmax(360px, 1.2fr);
  gap: 28px;
  align-items: center;
  border: 1px solid var(--line-2);
  border-radius: var(--r-card);
  background: linear-gradient(135deg, rgba(93,139,255,.12), rgba(255,255,255,.025));
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10), 0 24px 70px -34px rgba(93,139,255,.55);
}
.social-proof-head { display: grid; gap: 9px; }
.social-platform {
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}
.social-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.social-metrics div {
  padding-left: 16px;
  border-left: 1px solid var(--line-2);
}
.social-metrics strong {
  display: block;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.1;
  letter-spacing: -.035em;
}
.social-metrics span {
  display: block;
  margin-top: 7px;
  color: var(--ink-4);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
}
.social-proof-link {
  width: fit-content;
  color: var(--accent);
  font-size: 11px;
  border-bottom: 1px solid rgba(93,139,255,.4);
}

/* =========================================================
   SOCIAL ACCOUNT / PUBLIC PROOF
   ========================================================= */
.section-social { padding-top: 120px; padding-bottom: 120px; }
.social-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
}
.social-copy { max-width: 620px; }
.social-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 34px;
}
.social-evidence-grid div {
  padding: 18px;
  border: 1px solid var(--line-1);
  border-radius: var(--r-sm);
  background: var(--glass-1);
}
.social-evidence-grid strong {
  display: block;
  color: var(--ink);
  font-size: 24px;
  letter-spacing: -.035em;
}
.social-evidence-grid span {
  display: block;
  margin-top: 5px;
  color: var(--ink-4);
  font-size: 11px;
}
.social-phone {
  margin: 0;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid var(--line-2);
  background: var(--glass-2);
  box-shadow: 0 42px 90px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.12);
}
.social-phone-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 13px 16px;
  background: rgba(0,0,0,.28);
  border-bottom: 1px solid var(--line-1);
}
.social-phone-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
}
.social-phone-bar em {
  margin-left: auto;
  color: var(--ink-4);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
}
.social-phone img {
  display: block;
  width: 100%;
  max-height: 720px;
  object-fit: cover;
  object-position: top;
}
.social-phone figcaption {
  padding: 12px 16px 15px;
  color: var(--ink-4);
  font-size: 10px;
  text-align: center;
}

/* =========================================================
   BUTTONS — Apple system glass
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.003em;
  transition: all var(--t-fast) var(--ease);
  cursor: pointer;
  position: relative;
}
.btn svg { transition: transform var(--t-fast) var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: rgba(255, 255, 255, 0.94);
  color: #0a0b0e;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08),
    0 12px 36px -8px rgba(255, 255, 255, 0.18);
}
.btn-primary:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08),
    0 18px 48px -10px rgba(255, 255, 255, 0.25);
}

.btn-quiet {
  background: var(--glass-2);
  color: var(--ink);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 8px 24px -6px rgba(0, 0, 0, 0.4);
}
.btn-quiet:hover {
  background: var(--glass-3);
  border-color: var(--line-3);
  transform: translateY(-1px);
}
.btn-meta {
  font-size: 11.5px;
  font-weight: 400;
  color: var(--ink-4);
  margin-left: 2px;
  font-family: "JetBrains Mono", monospace;
}

/* =========================================================
   SCROLL HINT
   ========================================================= */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0.5;
}
.scroll-line {
  display: block;
  width: 1px; height: 40px;
  background: linear-gradient(180deg, transparent, var(--ink-3), transparent);
  animation: scroll-line 2.4s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; }
  50% { transform: scaleY(1); }
}
.scroll-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* =========================================================
   SECTIONS — shared
   ========================================================= */
.section {
  padding: 160px 0;
  position: relative;
}
.section-head {
  margin-bottom: 96px;
  max-width: 760px;
}

.section-tag {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 24px;
  padding-bottom: 18px;
  position: relative;
}
.section-tag::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-h {
  font-size: clamp(28px, 3.8vw, 48px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-lead {
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.55;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.012em;
  margin: 0 0 72px;
}
.about-stats {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 32px 36px;
  border-radius: var(--r-card);
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.about-stats::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-3), transparent);
}
.stat-block {
  flex: 1;
  text-align: left;
}
.stat-num {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.025em;
  margin-bottom: 6px;
  font-feature-settings: "tnum";
}
.stat-lbl {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.01em;
}
.stat-divider {
  width: 1px;
  align-self: stretch;
  background: var(--line-1);
  margin: 4px 0;
}

/* =========================================================
   CAPABILITIES / DELIVERY SYSTEM
   ========================================================= */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.capability-card {
  min-height: 310px;
  padding: 30px 28px 26px;
  border-radius: var(--r-card);
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease), background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.capability-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-3), transparent);
}
.capability-card:hover {
  transform: translateY(-4px);
  background: var(--glass-2);
  border-color: var(--line-2);
}
.capability-card-accent {
  background: linear-gradient(145deg, rgba(93,139,255,0.12), var(--glass-1) 58%);
  border-color: rgba(93,139,255,0.22);
}
.capability-index, .delivery-label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 34px;
}
.capability-card h3 {
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 500;
  margin: 0 0 14px;
}
.capability-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  margin: 0 0 22px;
}
.capability-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.capability-list li, .fit-chips span {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--ink-3);
  border: 1px solid var(--line-1);
  background: rgba(255,255,255,0.025);
  border-radius: var(--r-pill);
  padding: 5px 9px;
}
.delivery-strip {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 20px;
  align-items: center;
  margin-top: 20px;
  padding: 18px 22px;
  border-radius: var(--r-card);
  background: rgba(93,139,255,0.07);
  border: 1px solid rgba(93,139,255,0.18);
}
.delivery-strip .delivery-label { margin: 0; color: var(--ink-4); }
.delivery-strip strong { color: var(--ink); font-size: 14px; font-weight: 500; }
.delivery-detail { color: var(--ink-3); font-size: 12px; }
.delivery-strip a { color: var(--accent); font-family: "JetBrains Mono", monospace; font-size: 12px; white-space: nowrap; }
.delivery-strip a:hover { color: var(--ink); }

/* =========================================================
   FIT / CURRENT DIRECTION
   ========================================================= */
.section-fit { padding-top: 120px; padding-bottom: 100px; }
.fit-copy { max-width: 650px; }
.fit-copy p { color: var(--ink-3); font-size: 18px; line-height: 1.7; margin: 0 0 26px; }
.fit-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.fit-chips span { font-size: 11px; padding: 7px 12px; color: var(--ink-2); }

/* =========================================================
   WORK / PROJECTS
   ========================================================= */
.proj {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
  border-top: 1px solid var(--line-1);
}
.proj:last-child { border-bottom: 1px solid var(--line-1); }

.proj-flip .proj-text { order: 2; }
.proj-flip .proj-visual { order: 1; }

.proj-text { max-width: 460px; }

.proj-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.proj-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.05em;
}
.proj-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-4);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}
.status-dot-live {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.proj-text h3 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 20px;
}
.proj-text p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-3);
  margin: 0 0 28px;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.proj-tags li {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  color: var(--ink-3);
}
.proj-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 24px;
}
.proj-metrics div {
  padding-top: 12px;
  border-top: 1px solid var(--line-1);
}
.proj-metrics dt {
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.03em;
}
.proj-metrics dd {
  margin: 4px 0 0;
  color: var(--ink-4);
  font-size: 10px;
  line-height: 1.45;
}
.proj-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 24px;
}
.proj-links a {
  color: var(--ink);
  font-size: 13px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-3);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.proj-links a:first-child { color: var(--accent); border-color: rgba(93,139,255,.5); }
.proj-links a:hover { color: #fff; border-color: var(--ink); }

/* =========================================================
   DEVICE / GLASS MOCKUPS
   ========================================================= */
.proj-visual { position: relative; }

.device {
  background: var(--glass-2);
  border-radius: var(--r-card-lg);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  overflow: hidden;
  position: relative;
  box-shadow:
    /* outer */
    0 40px 80px -20px rgba(0, 0, 0, 0.55),
    0 20px 40px -16px rgba(0, 0, 0, 0.35),
    /* top edge specular */
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    /* bottom edge darken */
    inset 0 -1px 0 rgba(0, 0, 0, 0.35),
    /* hairline ring */
    0 0 0 1px rgba(0, 0, 0, 0.4);
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.device::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
  pointer-events: none;
  border-radius: var(--r-card-lg) var(--r-card-lg) 0 0;
}
.device:hover {
  transform: translateY(-4px);
}

.device-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-1);
  background: rgba(0, 0, 0, 0.22);
  position: relative;
}
.device-bar > span:nth-child(1),
.device-bar > span:nth-child(2),
.device-bar > span:nth-child(3) {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.device-title {
  margin-left: auto;
  margin-right: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.02em;
  transform: translateX(-22px);
}
.device-body {
  padding: 28px;
}
.project-shot-wrap {
  padding: 0;
  min-height: 360px;
  background: #0b0d10;
  overflow: hidden;
}
.project-shot {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: top;
}
.phone-shot-wrap {
  display: grid;
  place-items: center;
  padding: 28px 19%;
  background: radial-gradient(circle at 50% 25%, rgba(255,255,255,.14), rgba(93,139,255,.06) 45%, rgba(0,0,0,.2));
}
.phone-shot {
  width: auto;
  max-width: 100%;
  min-height: 0;
  max-height: 520px;
  object-fit: contain;
  border-radius: 28px;
  box-shadow: 0 32px 70px -20px rgba(0,0,0,.8);
}

/* exam card */
.exam-card { display: flex; flex-direction: column; gap: 14px; }
.exam-q {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}
.exam-stem {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 4px;
}
.exam-stem em {
  display: inline-block;
  padding: 1px 12px;
  background: rgba(93, 139, 255, 0.14);
  border: 1px dashed rgba(93, 139, 255, 0.45);
  border-radius: 6px;
  color: var(--accent);
}
.exam-opts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.opt {
  display: grid;
  grid-template-columns: 16px 24px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line-1);
  font-size: 13px;
  color: var(--ink-2);
  transition: all var(--t-fast) var(--ease);
}
.opt-mark {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--line-3);
  position: relative;
}
.opt-key {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-4);
}
.opt-active {
  background: rgba(93, 139, 255, 0.08);
  border-color: rgba(93, 139, 255, 0.45);
  color: var(--ink);
}
.opt-active .opt-mark {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow), inset 0 0 0 3px var(--bg);
}
.opt-active .opt-key { color: var(--accent); }

.exam-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-4);
}
.streak { color: var(--ink-3); }
.timer { color: var(--ink-3); letter-spacing: 0.06em; }

/* DAG */
.dag-frame { aspect-ratio: 1.4 / 1; }
.dag-body {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.dag {
  width: 100%;
  height: auto;
  max-height: 240px;
}
.dag .node text { font-weight: 500; }

/* terminal */
.term-body { padding: 20px 24px; }
.term {
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 12px;
  line-height: 1.85;
  color: var(--ink-3);
  margin: 0;
  white-space: pre;
}
.t-dim { color: var(--ink-4); }
.t-cmd { color: var(--ink); font-weight: 500; }
.t-arg { color: var(--accent); }
.t-out { color: var(--ink-3); }
.t-cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink {
  to { opacity: 0; }
}

/* =========================================================
   NOTES
   ========================================================= */
.notes-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.note {
  margin: 0;
  padding: 36px 36px 32px;
  border-radius: var(--r-card);
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  position: relative;
  transition: all var(--t-mid) var(--ease);
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.note::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-3) 30%, var(--line-3) 70%, transparent);
}
.note:hover {
  background: var(--glass-2);
  border-color: var(--line-2);
  transform: translateY(-2px);
}
.note-num {
  position: absolute;
  top: 28px;
  right: 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ink-5);
  letter-spacing: 0.08em;
}
.note blockquote {
  margin: 0 0 24px;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.5;
  letter-spacing: -0.015em;
  font-weight: 400;
  color: var(--ink);
}
.note blockquote em {
  color: var(--ink-2);
  font-weight: 400;
}
.note figcaption {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* =========================================================
   CONTACT
   ========================================================= */
.section-contact { padding: 180px 0 200px; }
.contact-h {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 28px;
}
.contact-lede {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-3);
  margin: 0 0 56px;
}
.contact-mail {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  border-radius: var(--r-pill);
  background: var(--glass-2);
  border: 1px solid var(--line-2);
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.005em;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: all var(--t-fast) var(--ease);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3),
    0 16px 40px -10px rgba(0, 0, 0, 0.5);
  position: relative;
}
.contact-mail::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.contact-mail:hover {
  background: var(--glass-3);
  border-color: var(--accent);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3),
    0 20px 50px -10px var(--accent-glow);
}
.contact-mail:hover svg { transform: translate(3px, -3px); }
.contact-mail svg { transition: transform var(--t-fast) var(--ease); }

/* =========================================================
   FOOTER
   ========================================================= */
.foot {
  padding: 40px 0 56px;
  border-top: 1px solid var(--line-1);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-4);
}
/* =========================================================
   TOAST
   ========================================================= */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 21, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-2);
  color: var(--ink);
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6),
              inset 0 1px 0 rgba(255, 255, 255, 0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.5s var(--ease);
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================================================
   REVEAL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero display: focus-in blur effect */
.display.reveal {
  filter: blur(10px);
  transition:
    opacity 1.4s var(--ease),
    transform 1.4s var(--ease),
    filter 1.4s var(--ease);
}
.display.reveal.visible {
  filter: blur(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  margin-left: 4px;
  padding: 0;
  background: transparent;
  border: none;
  position: relative;
  z-index: 110;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s ease;
  transform-origin: center;
  margin: 0 auto;
}
.nav.menu-open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.menu-open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 980px) {
  .container, .hero-inner { padding: 0 24px; }
  .nav { top: 12px; }
  .nav-pill { padding: 5px 5px 5px 16px; gap: 4px; }
  .nav-burger { display: flex; }
  .nav-action span { display: none; } /* compact Email button to icon-only on mobile */
  .nav-action { padding: 8px 10px; margin-left: 2px; }

  /* Mobile nav drawer */
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    background: rgba(14, 15, 19, 0.88);
    backdrop-filter: saturate(180%) blur(28px);
    -webkit-backdrop-filter: saturate(180%) blur(28px);
    border: 1px solid var(--line-2);
    border-radius: 18px;
    padding: 10px;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.10),
      0 30px 60px -10px rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.32s var(--ease-out), transform 0.32s var(--ease-out);
  }
  .nav.menu-open .nav-links {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 12px 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    border-radius: 12px;
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease;
  }
  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--ink);
  }

  .section { padding: 110px 0; }
  .section-head { margin-bottom: 60px; }

  .hero { padding: 110px 0 80px; min-height: 100vh; }
  .display { font-size: clamp(36px, 8vw, 56px); }
  .lede { font-size: 16px; }
  .lede br { display: none; }
  .social-proof { grid-template-columns: 1fr; max-width: 620px; }
  .social-showcase { grid-template-columns: 1fr; }
  .social-phone { max-width: 480px; }

  .about-stats {
    flex-wrap: wrap;
    gap: 24px 0;
    padding: 24px;
  }
  .stat-block { flex-basis: 50%; }
  .stat-divider { display: none; }

  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: auto; }
  .delivery-strip { grid-template-columns: 1fr; gap: 8px; }
  .delivery-strip .delivery-label { margin-bottom: 4px; }
  .delivery-strip a { margin-top: 8px; }

  .proj {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0;
  }
  .project-shot-wrap, .project-shot { min-height: 320px; }
  .proj-flip .proj-text { order: 0; }
  .proj-flip .proj-visual { order: 0; }

  .notes-list { grid-template-columns: 1fr; gap: 14px; }
  .note { padding: 28px 26px 24px; min-height: auto; }

  .section-contact { padding: 120px 0 140px; }
  .contact-mail { font-size: 14px; padding: 14px 22px; }

  .foot-row { flex-direction: column; gap: 16px; text-align: center; }
  .scroll-hint { display: none; }
}

@media (max-width: 560px) {
  .hero::before {
    background-size: 155% auto;
    background-position: center 92px;
    background-repeat: no-repeat;
    transform: none;
    animation: none;
  }
  .hero::after {
    background:
      linear-gradient(180deg, rgba(1, 7, 12, .30) 0%, rgba(1, 8, 14, .42) 31%, rgba(4, 10, 16, .76) 52%, rgba(7, 8, 10, .94) 100%),
      linear-gradient(90deg, rgba(0, 0, 0, .36), rgba(0, 0, 0, .08) 48%, rgba(0, 0, 0, .30));
  }
  .display { font-size: 30px; line-height: 1.12; letter-spacing: -0.025em; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .stat-block { flex-basis: 100%; }
  .capability-card { padding: 26px 22px 22px; }
  .social-proof { margin-top: 36px; padding: 20px; }
  .social-metrics { grid-template-columns: 1fr; gap: 16px; }
  .social-metrics div { padding-left: 0; padding-top: 12px; border-left: 0; border-top: 1px solid var(--line-2); }
  .section-social { padding-top: 80px; padding-bottom: 80px; }
  .social-evidence-grid { grid-template-columns: 1fr 1fr; }
  .social-phone { border-radius: 24px; }
  .proj-metrics { grid-template-columns: 1fr; }
  .phone-shot-wrap { padding: 24px 16%; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .aurora { animation: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}