/* ==================================================================
   Surethan S — portfolio
   Modern Dark Cinema design system (ui-ux-pro-max MASTER.md)
   Dark = primary · Light = MASTER palette · strict-CSP: no inline styles
   ================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
img, picture, svg, canvas { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }

/* ---------- Tokens ---------- */
:root {
  --bg: #fafafa;
  --bg-elevated: #ffffff;
  --surface: #f4f4f5;
  --surface-raised: #ffffff;
  --text: #09090b;
  --text-secondary: #52525b;
  --text-faint: #a1a1aa;
  --accent: #16a34a;
  --accent-soft: rgba(22, 163, 74, 0.10);
  --accent-glow: rgba(22, 163, 74, 0.22);
  --live: #059669;
  --hairline: rgba(9, 9, 11, 0.09);
  --hairline-strong: rgba(9, 9, 11, 0.16);
  --scrim-solid: rgba(250, 250, 250, 0.86);
  --glass: rgba(255, 255, 255, 0.62);
  /* Liquid glass (Apple-style frosted panels) */
  --lg-bg: rgba(255, 255, 255, 0.52);
  --lg-rim: rgba(255, 255, 255, 0.9);
  --lg-edge: rgba(9, 9, 11, 0.08);
  --lg-shadow: 0 1px 2px rgba(9, 9, 11, 0.04), 0 16px 40px -18px rgba(9, 9, 11, 0.22);
  --lg-sheen: rgba(255, 255, 255, 0.5);
  --grain-opacity: 0.03;
  --shadow-glass: 0 8px 32px -12px rgba(0, 0, 0, 0.18);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-expo: cubic-bezier(0.87, 0, 0.13, 1);
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
  color-scheme: light;
}

html.dark {
  --bg: #0a0a0b;
  --bg-elevated: #101012;
  --surface: #111113;
  --surface-raised: #17171a;
  --text: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-faint: #5d5d66;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --accent-glow: rgba(34, 197, 94, 0.35);
  --live: #34d399;
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.16);
  --scrim-solid: rgba(10, 10, 11, 0.85);
  --glass: rgba(17, 17, 19, 0.55);
  /* Liquid glass (Apple-style frosted panels) */
  --lg-bg: rgba(23, 23, 27, 0.42);
  --lg-rim: rgba(255, 255, 255, 0.16);
  --lg-edge: rgba(255, 255, 255, 0.09);
  --lg-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 20px 48px -20px rgba(0, 0, 0, 0.55);
  --lg-sheen: rgba(255, 255, 255, 0.09);
  --grain-opacity: 0.05;
  --shadow-glass: 0 8px 32px -12px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

/* ---------- Base ---------- */
html { scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  background: var(--bg);
  color: var(--text);
}

/* Light theme: soft mint ambience so glass panes have light to catch */
html:not(.dark) body {
  background-image:
    radial-gradient(60rem 32rem at 85% -8%, rgba(34, 197, 94, 0.08), transparent 60%),
    radial-gradient(48rem 26rem at 6% 12%, rgba(94, 234, 212, 0.09), transparent 55%),
    radial-gradient(52rem 30rem at 50% 110%, rgba(34, 197, 94, 0.06), transparent 60%);
  background-attachment: fixed;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  transition: background-color 0.45s var(--ease-out-expo), color 0.45s var(--ease-out-expo);
}

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

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--hairline-strong);
  border-radius: 999px;
  border: 2px solid var(--bg);
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 600;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus-visible { top: 16px; }

.visually-hidden, .hp-field {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

/* ---------- Texture: film grain ---------- */
body.grain::after {
  content: "";
  position: fixed;
  inset: -100%;
  z-index: 300;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: var(--grain-opacity);
  animation: grain-shift 0.9s steps(2) infinite;
}
@keyframes grain-shift {
  0% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-38px, 22px, 0); }
  100% { transform: translate3d(24px, -30px, 0); }
}

/* ---------- Layout utils ---------- */
.container-line {
  width: 100%;
  max-width: 90rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 4rem);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(20px) saturate(1.7);
  backdrop-filter: blur(20px) saturate(1.7);
  border: 1px solid var(--lg-edge);
  box-shadow: inset 0 1px 0 var(--lg-rim), var(--lg-shadow);
}

/* ---------- Liquid glass cards ---------- */
/* Frosted translucency over the space layer, specular top rim,
   depth shadow, and a light sweep across the pane on hover. */
.skill-card, .fs-panel, .b-card, .q-card, .stats {
  background-color: var(--lg-bg);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  backdrop-filter: blur(16px) saturate(1.6);
  border-color: var(--lg-edge);
  box-shadow: inset 0 1px 0 var(--lg-rim), inset 0 0 0 1px rgba(255, 255, 255, 0.02), var(--lg-shadow);
}
.skill-card::after, .fs-panel::after, .b-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 32%, var(--lg-sheen) 46%, transparent 58%);
  opacity: 0;
  transform: translateX(-60%);
  transition: transform 0.9s var(--ease-out-expo), opacity 0.4s ease;
}
.skill-card:hover::after, .fs-panel:hover::after, .b-card:hover::after {
  opacity: 1;
  transform: translateX(55%);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .skill-card, .fs-panel, .b-card, .q-card, .stats { background-color: var(--surface); }
}
@media (prefers-reduced-transparency: reduce) {
  .skill-card, .fs-panel, .b-card, .q-card, .stats, .glass {
    background-color: var(--surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

.text-luster {
  background: linear-gradient(180deg, var(--text) 55%, color-mix(in srgb, var(--text) 55%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-outline {
  -webkit-text-stroke: 1.5px color-mix(in srgb, var(--text) 40%, transparent);
  color: transparent;
}

.ambient { position: relative; }
.ambient::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(42rem 30rem at 18% -12%, var(--accent-glow), transparent 62%),
    radial-gradient(36rem 26rem at 85% 115%, color-mix(in srgb, var(--accent-glow) 55%, transparent), transparent 65%);
  opacity: 0.55;
}

/* ---------- Reveal system (JS enhances; no-JS stays visible) ---------- */
.rw-m { display: inline-block; overflow: hidden; padding-bottom: 0.1em; margin-bottom: -0.1em; vertical-align: bottom; }
.rw-w { display: inline-block; will-change: transform; }
html.js .rw-m .rw-w { transform: translateY(112%) rotate(2.5deg); }

html.js [data-reveal] { opacity: 0; transform: translateY(26px); }

.hn-mask { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hn-ch { display: inline-block; transform-origin: bottom center; will-change: transform; }
html.js .hn-ch { opacity: 0; transform: translateY(118%) rotateX(-55deg); }

html.js .fx-fade { opacity: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: box-shadow 0.3s ease, filter 0.3s ease, background-color 0.3s ease,
    border-color 0.3s ease, transform 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn .btn-ic { transition: transform 0.3s var(--ease-out-expo); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 30px -6px var(--accent-glow);
}
.btn--primary:hover { filter: brightness(1.1); box-shadow: 0 10px 40px -4px var(--accent-glow); }
.btn--primary:hover .btn-ic--down { transform: translateY(2px); }
.btn--ghost {
  border: 1px solid var(--hairline-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--text-faint); background: var(--surface-raised); }
.btn--ghost:hover .btn-ic--diag, .btn--primary:hover .btn-ic--diag { transform: translate(2px, -2px); }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--bg-elevated) 55%, transparent);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  transition: border-color 0.3s ease;
}

/* ---------- Marquee ---------- */
.marquee { position: relative; overflow: hidden; }
.marquee--fade {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-x var(--marquee-duration, 40s) linear infinite;
  will-change: transform;
}
.marquee--hoverpause:hover .marquee-track { animation-play-state: paused; }
.marquee-seg { display: flex; align-items: stretch; flex-shrink: 0; }
@keyframes marquee-x {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ---------- Live dot ---------- */
.live-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--live);
  animation: live-pulse 2.4s var(--ease-out-expo) infinite;
}
@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
}

/* ---------- Custom cursor ---------- */
html.has-custom-cursor body,
html.has-custom-cursor a,
html.has-custom-cursor button,
html.has-custom-cursor [role="button"],
html.has-custom-cursor [data-cursor],
html.has-custom-cursor summary,
html.has-custom-cursor label { cursor: none !important; }

.cursor-layer { position: fixed; inset: 0; z-index: 400; pointer-events: none; display: none; }
html.has-custom-cursor .cursor-layer { display: block; }
.cursor-dot, .cursor-ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.cursor-dot { width: 6px; height: 6px; background: var(--accent); }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid var(--text-faint);
  transition: opacity 0.3s ease, border-color 0.25s ease, background-color 0.25s ease;
}
.cursor-ring.is-hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.preloader[hidden] { display: none; }
.pl-name {
  display: flex;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  padding-bottom: 0.08em;
}
.pl-ch { display: inline-block; transform: translateY(115%); opacity: 0; will-change: transform; white-space: pre; }
.pl-meta {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  width: 224px;
}
.pl-meta-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.pl-count { font-family: var(--font-mono); font-size: 12px; font-variant-numeric: tabular-nums; }
.pl-bar { height: 1px; width: 100%; background: var(--hairline); }
.pl-bar-fill { height: 1px; width: 100%; transform: scaleX(0); transform-origin: left; background: var(--accent); }

/* ---------- Navbar ---------- */
.site-nav {
  position: fixed;
  top: 16px; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: center;
  padding-inline: 16px;
  transition: transform 0.5s var(--ease-out-expo);
}
.site-nav.is-hidden { transform: translateY(-86px); }
.nav-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 42rem;
  border-radius: 999px;
  padding: 6px 6px 6px 20px;
  box-shadow: var(--shadow-glass);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
}
.nav-logo em, .accent { color: var(--accent); font-style: normal; }
.nav-links { display: none; align-items: center; gap: 2px; position: relative; }
.nav-ind {
  position: absolute;
  border-radius: 999px;
  background: var(--surface-raised);
  opacity: 0;
  transition: transform 0.45s var(--ease-out-expo), width 0.45s var(--ease-out-expo), opacity 0.3s ease;
  will-change: transform, width;
  height: 100%;
  top: 0; left: 0;
}
.nav-link {
  position: relative;
  z-index: 1;
  display: block;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.3s ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 999px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.icon-btn:hover { background: var(--surface-raised); color: var(--text); }
.icon-btn svg { width: 16px; height: 16px; }

/* Theme toggle: crossfading sun/moon */
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .tt-ic {
  position: absolute;
  display: flex;
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s ease;
}
.theme-toggle .tt-moon { transform: translateY(0); opacity: 1; }
.theme-toggle .tt-sun { transform: translateY(16px) rotate(-30deg); opacity: 0; }
html:not(.dark) .theme-toggle .tt-moon { transform: translateY(-16px) rotate(30deg); opacity: 0; }
html:not(.dark) .theme-toggle .tt-sun { transform: translateY(0) rotate(0); opacity: 1; }

/* Mobile menu */
.menu-btn { display: flex; }
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 280;
  display: flex;
  flex-direction: column;
  background: var(--scrim-solid);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0s linear 0.35s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.mm-top { display: flex; align-items: center; justify-content: space-between; padding: 24px; }
.mm-close {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  cursor: pointer;
}
.mm-close svg { width: 18px; height: 18px; }
.mm-list { display: flex; flex-direction: column; justify-content: center; flex: 1; gap: 8px; padding-inline: 32px; }
.mm-link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-block: 8px;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.6s var(--ease-out-expo);
}
.mobile-menu.is-open .mm-link { opacity: 1; transform: translateY(0); }
.mm-link:nth-child(1) { transition-delay: 0.06s; }
.mm-link:nth-child(2) { transition-delay: 0.12s; }
.mm-link:nth-child(3) { transition-delay: 0.18s; }
.mm-link:nth-child(4) { transition-delay: 0.24s; }
.mm-link:nth-child(5) { transition-delay: 0.30s; }
.mm-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }
.mm-foot { padding: 0 32px 40px; }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .menu-btn { display: none; }
}

/* ---------- Sections shared ---------- */
.sec { border-top: 1px solid var(--hairline); }
.sec-inner { padding-block: clamp(5rem, 10vw, 9rem); }
.sec-head { margin-bottom: clamp(3.5rem, 6vw, 5rem); display: flex; flex-direction: column; gap: 32px; }
.sec-label { display: flex; align-items: center; gap: 12px; }
.sec-label .rule { display: inline-block; height: 1px; width: 40px; background: var(--hairline-strong); }
.sec-title {
  margin-top: 20px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 3.9rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 48rem;
}
.sec-aside { max-width: 24rem; font-size: 14px; line-height: 1.65; color: var(--text-secondary); }
@media (min-width: 768px) {
  .sec-head { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .sec-aside { padding-bottom: 8px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  overflow: hidden;
}
.hero-gridlines {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.6;
  background-image:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
  background-size: clamp(64px, 8vw, 128px) clamp(64px, 8vw, 128px);
  -webkit-mask-image: radial-gradient(90rem 60rem at 50% 10%, #000 30%, transparent 78%);
  mask-image: radial-gradient(90rem 60rem at 50% 10%, #000 30%, transparent 78%);
}
/* Site-wide ambient light layer: fixed, behind everything, untouchable */
.scene-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.scene-layer canvas { width: 100% !important; height: 100% !important; }
.hero-main {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding-top: 9rem;
  padding-bottom: 7rem;
}
.hero-status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-secondary);
}
.hero-name {
  margin-top: 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 13.2vw, 12.5rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
  perspective: 700px;
}
.hn-tail { padding-left: 0.14em; }
.hero-role {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
}
.role-mask { display: inline-block; overflow: hidden; vertical-align: bottom; }
.role-word { display: inline-block; will-change: transform; }
.hero-sub {
  margin-top: 24px;
  max-width: 36rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.65;
  color: var(--text-secondary);
}
.hero-sub strong { color: var(--text); font-weight: 500; }
.hero-ctas { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.hero-rail {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 32px;
}
.scroll-cue { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.scroll-cue-line { position: relative; width: 1px; height: 40px; overflow: hidden; background: var(--hairline-strong); }
.scroll-cue-dot {
  position: absolute;
  top: 0; left: 0;
  width: 1px; height: 12px;
  background: var(--accent);
  animation: cue-fall 1.6s ease-in-out infinite;
}
@keyframes cue-fall { from { transform: translateY(-12px); } to { transform: translateY(40px); } }
.scroll-cue .mono-label { transition: color 0.3s ease; }
.scroll-cue:hover .mono-label { color: var(--text); }
.hero-coords { display: none; text-align: right; }
.hero-coords .sep { margin-inline: 12px; color: var(--hairline-strong); }
@media (min-width: 640px) { .hero-coords { display: block; } }

/* ---------- About ---------- */
.about-grid { display: grid; gap: 48px; }
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 80px; }
}
.portrait-wrap { position: relative; }
.portrait {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background: var(--surface);
}
.portrait-inner { position: relative; width: 100%; aspect-ratio: 2 / 3; max-height: 80vh; transform: scale(1.1); will-change: transform; }
/* Desktop: the card stretches to the height of the bio + stats column, showing the full-length photo */
@media (min-width: 1024px) {
  .about-grid { align-items: stretch; }
  .portrait-wrap, .portrait { height: 100%; }
  .portrait-inner { aspect-ratio: auto; max-height: none; height: 100%; min-height: 560px; }
}
@media (min-width: 1280px) {
  .about-grid { grid-template-columns: minmax(0, 4.3fr) minmax(0, 7.7fr); }
}
.portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 0%;
  transition: transform 0.7s var(--ease-out-expo), filter 0.7s ease;
}
.portrait:hover .portrait-img { transform: scale(1.03); filter: saturate(1.15); }
.portrait-grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10,10,11,0.08) 0%, transparent 30%, transparent 55%, rgba(10,10,11,0.62) 100%);
}
.portrait-tint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--accent);
  opacity: 0.10;
  mix-blend-mode: soft-light;
}
.portrait-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.portrait-cap .c1 { color: rgba(255,255,255,0.75); }
.portrait-cap .c2 { color: rgba(255,255,255,0.5); }
.fact-chip {
  position: absolute;
  /* bottom-right, above the caption, so it never covers the face */
  top: auto; left: auto; bottom: 72px; right: -12px;
  display: none;
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow-glass);
}
.fact-chip .fc-k { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-faint); }
.fact-chip .fc-v { margin-top: 4px; font-size: 13px; font-weight: 500; }
@media (min-width: 640px) { .fact-chip { display: block; } }
@media (min-width: 1024px) { .fact-chip { right: -24px; } }

.about-copy { display: flex; flex-direction: column; justify-content: space-between; gap: 48px; }
.about-copy .para { max-width: 62ch; font-size: 15px; line-height: 1.75; color: var(--text-secondary); }
.about-copy .para + .para { margin-top: 24px; }
.about-copy .para--lead { color: var(--text); font-size: clamp(1rem, 1.35vw, 1.125rem); }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--hairline);
}
.stat { padding: 24px; }
.stat:nth-child(odd) { border-right: 1px solid var(--hairline); }
.stat:nth-child(n + 3) { border-top: 1px solid var(--hairline); }
@media (min-width: 640px) { .stat { padding: 32px; } }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 3.4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-label { margin-top: 12px; font-size: 13px; line-height: 1.45; color: var(--text-secondary); }

/* ---------- Skills ---------- */
.skills-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .skills-grid { grid-template-columns: repeat(3, 1fr); } }

[data-tilt] { perspective: 900px; }
.tilt { height: 100%; }
.skill-card {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background-image: radial-gradient(18rem 12rem at var(--mx, 50%) var(--my, 0%), var(--accent-soft), transparent 70%);
  padding: 24px;
  transition: border-color 0.3s ease;
}
@media (min-width: 640px) { .skill-card { padding: 28px; } }
.skill-card:hover { border-color: var(--hairline-strong); }
.sc-head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sc-badge {
  flex-shrink: 0;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.sc-title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }
.sc-blurb { margin-top: 8px; font-size: 13px; line-height: 1.6; color: var(--text-secondary); }
.chiplist { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.skill-card:hover .chip { border-color: var(--hairline-strong); }

.tape { border-top: 1px solid var(--hairline); padding-block: 24px; }
.tape .marquee-track { --marquee-duration: 46s; }
.tape-item {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-inline: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  white-space: nowrap;
}
.tape-dot { width: 4px; height: 4px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 60%, transparent); }

/* ---------- Experience timeline ---------- */
.tl { position: relative; max-width: 48rem; margin-inline: auto; }
.tl-spine, .tl-spine-fill {
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 1px;
}
.tl-spine { background: var(--hairline); }
.tl-spine-fill {
  transform-origin: top;
  transform: scaleY(0);
  background: linear-gradient(to bottom, var(--accent), var(--accent), var(--live));
}
html:not(.js) .tl-spine-fill { transform: scaleY(1); }
.tl-list { display: flex; flex-direction: column; gap: 56px; }
.tl-item { position: relative; padding-left: 40px; }
@media (min-width: 640px) { .tl-item { padding-left: 56px; } .tl-list { gap: 64px; } }
.tl-node {
  position: absolute;
  left: 0; top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15px; height: 15px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
}
.tl-node i { width: 5px; height: 5px; border-radius: 999px; background: var(--text-faint); }
.tl-node.is-inflect { border-color: var(--accent); background: var(--accent-soft); }
.tl-node.is-inflect i { background: var(--accent); }
.tl-node.is-current { border-color: var(--live); background: color-mix(in srgb, var(--live) 20%, transparent); }
.tl-node.is-current i { background: var(--live); animation: live-pulse 2.4s var(--ease-out-expo) infinite; }
.tl-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.tl-period { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-faint); }
.tl-tag {
  border-radius: 999px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.tl-tag--inflect { background: var(--accent-soft); color: var(--accent); }
.tl-tag--current { background: color-mix(in srgb, var(--live) 10%, transparent); color: var(--live); }
.tl-title { margin-top: 12px; font-family: var(--font-display); font-size: clamp(1.4rem, 2.2vw, 1.7rem); font-weight: 500; letter-spacing: -0.02em; }
.tl-org { margin-top: 4px; font-size: 14px; color: var(--text-secondary); }
.tl-org .place { color: var(--text-faint); }
.tl-body { margin-top: 12px; max-width: 58ch; font-size: 15px; line-height: 1.7; color: var(--text-secondary); }

/* ---------- Projects ---------- */
.flagships { display: flex; flex-direction: column; gap: 24px; }
.fs-panel {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--hairline);
  background-image: radial-gradient(30rem 20rem at var(--mx, 70%) var(--my, 0%), var(--accent-soft), transparent 72%);
  padding: clamp(24px, 4vw, 56px);
  transition: border-color 0.3s ease;
}
.fs-panel:hover { border-color: var(--hairline-strong); }
.fs-bignum {
  position: absolute;
  right: -0.05em;
  top: -0.18em;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(8rem, 20vw, 18rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--hairline);
  pointer-events: none;
  user-select: none;
}
.fs-grid { position: relative; z-index: 1; display: grid; gap: 40px; }
@media (min-width: 1024px) { .fs-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 64px; } }
.fs-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.fs-index { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); }
.fs-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--live) 30%, transparent);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--live);
}
.fs-name {
  margin-top: 20px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.fs-kicker { margin-top: 8px; font-size: 15px; font-weight: 500; color: var(--accent); }
.fs-sum { margin-top: 16px; max-width: 60ch; font-size: 15px; line-height: 1.7; color: var(--text-secondary); }
.fs-role { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; line-height: 1.6; letter-spacing: 0.04em; color: var(--text-faint); }
.fs-impact { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.fs-impact li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
}
.fs-impact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 1px;
  background: var(--accent);
}
.fs-tech { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.fs-linkrow { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }

.fs-arch {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--hairline);
  padding-left: 24px;
  gap: 0;
  align-self: center;
  width: 100%;
}
.arch-title { margin-bottom: 16px; }
.arch-step { position: relative; padding: 14px 0 14px 4px; }
.arch-step + .arch-step { border-top: 1px dashed var(--hairline); }
.arch-step::before {
  content: "";
  position: absolute;
  left: -28.5px;
  top: 50%;
  width: 9px; height: 9px;
  transform: translateY(-50%);
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--bg);
}
.arch-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--accent); }
.arch-d { margin-top: 4px; font-size: 12.5px; line-height: 1.55; color: var(--text-secondary); }

.bento { margin-top: 24px; display: grid; gap: 16px; }
@media (min-width: 768px) { .bento { grid-template-columns: repeat(6, 1fr); } }
.b-cell { min-width: 0; }
@media (min-width: 768px) {
  .b-cell { grid-column: span 3; }
  .b-cell--wide { grid-column: span 3; }
  .b-cell--std { grid-column: span 3; }
}
@media (min-width: 1024px) {
  .b-cell--wide { grid-column: span 4; }
  .b-cell--std { grid-column: span 2; }
}
.b-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background-image: radial-gradient(16rem 11rem at var(--mx, 50%) var(--my, 0%), var(--accent-soft), transparent 70%);
  padding: 24px;
  transition: border-color 0.3s ease;
}
.b-card:hover { border-color: var(--hairline-strong); }
.b-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.b-index { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; color: var(--text-faint); }
.b-arrow {
  color: var(--text-faint);
  transition: transform 0.3s var(--ease-out-expo), color 0.3s ease;
}
.b-arrow svg { width: 16px; height: 16px; }
.b-card:hover .b-arrow { transform: translate(2px, -2px); color: var(--accent); }
.b-name { margin-top: 16px; font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; letter-spacing: -0.01em; }
.b-kicker { margin-top: 4px; font-size: 13px; font-weight: 500; color: var(--accent); }
.b-sum { margin-top: 12px; font-size: 13.5px; line-height: 1.6; color: var(--text-secondary); flex: 1; }
.b-live { margin-top: 14px; }
.b-tech { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.b-tech .chip { padding: 4px 10px; font-size: 11px; }

/* ---------- Testimonials ---------- */
.quotes-grid { display: grid; gap: 16px; align-items: stretch; }
@media (min-width: 640px)  { .quotes-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .quotes-grid { grid-template-columns: repeat(3, 1fr); } }
.q-card {
  position: relative;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.q-mark { color: var(--accent); font-family: var(--font-display); font-size: 2rem; line-height: 0.6; }
.q-text { font-size: 13.5px; line-height: 1.65; color: var(--text-secondary); }
.q-who { display: flex; flex-direction: column; gap: 2px; }
.q-name { font-size: 13px; font-weight: 500; }
.q-role { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-faint); }

/* ---------- Contact ---------- */
.contact-sec { overflow: hidden; }
.c-statement {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7.5vw, 6.5rem);
  font-weight: 500;
  line-height: 1.0;
  letter-spacing: -0.04em;
  max-width: 20ch;
  text-wrap: balance;
}
.c-statement .accent-word { color: var(--accent); }
.c-grid { margin-top: clamp(3rem, 6vw, 5rem); display: grid; gap: 56px; }
@media (min-width: 1024px) { .c-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 96px; } }

.c-email-block .mono-label { margin-bottom: 12px; }
.copy-email {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  cursor: pointer;
  color: var(--text);
  transition: color 0.3s ease;
}
.copy-email:hover { color: var(--accent); }
.copy-email .ce-ic { display: flex; color: var(--text-faint); transition: color 0.3s ease; }
.copy-email:hover .ce-ic { color: var(--accent); }
.copy-email .ce-ic svg { width: 20px; height: 20px; }
.copy-email .ic-check { display: none; color: var(--live); }
.copy-email.is-copied .ic-copy { display: none; }
.copy-email.is-copied .ic-check { display: flex; }
.copy-state {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--live);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.copy-state.is-visible { opacity: 1; }

.c-socials { margin-top: 40px; display: flex; gap: 12px; }
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.social-btn svg { width: 19px; height: 19px; }
.c-meta { margin-top: 40px; display: flex; flex-direction: column; gap: 6px; }

.c-form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.field .req { color: var(--accent); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  padding: 13px 16px;
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-note { font-size: 12px; color: var(--text-faint); }
.flash {
  border-radius: 12px;
  border: 1px solid;
  padding: 12px 16px;
  font-size: 14px;
}
.flash--success { border-color: color-mix(in srgb, var(--live) 35%, transparent); background: color-mix(in srgb, var(--live) 8%, transparent); color: var(--live); }
.flash--error { border-color: color-mix(in srgb, #dc2626 40%, transparent); background: color-mix(in srgb, #dc2626 8%, transparent); color: #ef6a6a; }
html:not(.dark) .flash--error { color: #b91c1c; }

/* ---------- Customer feedback page (private, unlinked) ---------- */
.fb-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}
.fb-card {
  width: 100%;
  max-width: 620px;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface);
  padding: clamp(1.75rem, 4vw, 2.75rem);
}
.fb-title {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.fb-sub { margin-block: 14px 28px; font-size: 14px; line-height: 1.65; color: var(--text-secondary); }
.fb-card .flash { margin-bottom: 20px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--hairline); }
.f-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-block: 32px;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .f-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}
.f-note { font-size: 13px; color: var(--text-secondary); }
.f-note .heart { color: var(--accent); }
.f-clock {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}
.f-clock .tz { color: var(--text-secondary); }

/* ---------- Back-to-top mini ---------- */
.f-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
  transition: color 0.3s ease;
}
.f-top:hover { color: var(--text); }
.f-top svg { width: 14px; height: 14px; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.15s !important;
    scroll-behavior: auto !important;
  }
  body.grain::after { animation: none; }
  .marquee-track { animation: none; transform: none; }
  .marquee { overflow-x: auto; }
  .scroll-cue-dot { animation: none; }
  html.js .rw-m .rw-w, html.js .hn-ch, html.js [data-reveal] {
    transform: none;
    opacity: 1;
  }
  html.js .fx-fade { opacity: 1; }
  html.js .tl-spine-fill { transform: scaleY(1); }
}