/* =========================================================
   Takashi Yoshinaga — Portfolio 2026
   Design tokens, layout, components
   ========================================================= */

:root {
  /* Color tokens */
  --bg-0: #05070d;
  --bg-1: #0a0e1a;
  --bg-2: #111627;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e6edf7;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #22d3ee;
  --accent-2: #60a5fa;
  --accent-3: #a78bfa;
  --grad-1: linear-gradient(135deg, #22d3ee 0%, #60a5fa 50%, #a78bfa 100%);
  --grad-text: linear-gradient(135deg, #22d3ee 0%, #818cf8 60%, #a78bfa 100%);
  --shadow-glow: 0 10px 40px -10px rgba(34, 211, 238, 0.28);
  --shadow-card: 0 16px 50px -20px rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Space Grotesk", "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing / radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --container: min(1200px, 100% - 2.5rem);

  /* Z-layers */
  --z-bg: 0;
  --z-base: 1;
  --z-header: 50;
  --z-mobile-menu: 60;
  --z-modal: 80;
}

/* =========================================================
   Reset & base
   ========================================================= */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 0.4vw + 0.85rem, 1.0625rem);
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

ul, ol, dd, dl { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0;
}

.mono { font-family: var(--font-mono); }

/* Selection */
::selection { background: rgba(34, 211, 238, 0.35); color: #fff; }

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Skip link */
.skip {
  position: absolute;
  left: 1rem;
  top: -100px;
  padding: .6rem .9rem;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  z-index: 999;
  transition: top .2s ease;
}
.skip:focus { top: 1rem; }

/* Container */
.container { width: var(--container); margin-inline: auto; }

/* =========================================================
   Background FX (grid + glow + noise)
   ========================================================= */

.bg-fx {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(34, 211, 238, 0.07), transparent 60%),
    radial-gradient(80% 60% at 80% 110%, rgba(167, 139, 250, 0.07), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 60%, var(--bg-0) 100%);
}

.bg-fx__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 60% at 50% 30%, #000 30%, transparent 80%);
}

.bg-fx__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: drift 24s ease-in-out infinite;
}
.bg-fx__glow--1 { width: 480px; height: 480px; left: -120px; top: -120px; background: radial-gradient(circle, rgba(34, 211, 238, .35), transparent 70%); }
.bg-fx__glow--2 { width: 520px; height: 520px; right: -160px; top: 30%; background: radial-gradient(circle, rgba(96, 165, 250, .28), transparent 70%); animation-delay: -8s; }
.bg-fx__glow--3 { width: 460px; height: 460px; left: 30%; bottom: -180px; background: radial-gradient(circle, rgba(167, 139, 250, .25), transparent 70%); animation-delay: -16s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, 30px); }
}

.bg-fx__noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

@media (prefers-reduced-motion: reduce) {
  .bg-fx__glow { animation: none; }
}

/* =========================================================
   Header / Nav
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(8, 12, 22, 0.55);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.is-scrolled {
  background: rgba(8, 12, 22, 0.75);
  border-bottom-color: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-display);
  color: var(--text);
}

.brand__mark {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  background: var(--grad-1);
  color: #06121e;
  font-weight: 700;
  font-size: .9rem;
  border-radius: 10px;
  letter-spacing: 0;
  box-shadow: var(--shadow-glow);
}
.brand__name { display: grid; line-height: 1.15; }
.brand__name-line1 { font-weight: 600; font-size: .95rem; }
.brand__name-line2 { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted); }

.site-nav { margin-left: auto; }
.site-nav__list {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.site-nav__list a {
  font-size: .9rem;
  color: var(--text-muted);
  position: relative;
  padding: .35rem 0;
}
.site-nav__list a:hover { color: var(--text); }
.site-nav__list a.is-active { color: var(--text); }
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--grad-1);
  transition: width .3s ease;
  border-radius: 2px;
}
.site-nav__list a:hover::after,
.site-nav__list a.is-active::after { width: 100%; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 1rem; margin-left: 1.25rem; }

/* Mobile menu button */
.menu-btn {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}
.menu-btn span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.menu-btn span:nth-child(1) { top: 13px; }
.menu-btn span:nth-child(2) { top: 19px; }
.menu-btn span:nth-child(3) { top: 25px; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 68px 0 0 0;
  z-index: var(--z-mobile-menu);
  background: linear-gradient(180deg, rgba(8, 12, 22, .95), rgba(5, 7, 13, .98));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2rem 1.5rem 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu nav ul { display: grid; gap: 1.25rem; }
.mobile-menu a {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  color: var(--text);
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  padding-block: clamp(7rem, 14vh, 11rem) clamp(4rem, 8vh, 7rem);
  min-height: 92vh;
  display: grid;
  align-items: center;
}
.hero__inner { display: grid; gap: 1.75rem; position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.hero__title {
  font-size: clamp(2.5rem, 5vw + 1.5rem, 5.5rem);
  font-weight: 600;
  display: grid;
  gap: 0.1em;
  font-family: var(--font-display);
  letter-spacing: -0.035em;
}
.hero__title-line { display: block; opacity: 0; transform: translateY(20px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero__title-line:nth-child(1) { animation-delay: .05s; }
.hero__title-line:nth-child(2) { animation-delay: .2s; }
.hero__title-line:nth-child(3) { animation-delay: .35s; }

@keyframes rise { to { opacity: 1; transform: translateY(0); } }

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

.hero__lede {
  max-width: 60ch;
  color: var(--text-muted);
  font-size: clamp(1rem, 0.6vw + 0.85rem, 1.15rem);
  line-height: 1.65;
  margin: 0;
}

.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag {
  padding: .45rem .85rem;
  font-size: .75rem;
  letter-spacing: .04em;
  font-family: var(--font-display);
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  border: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--grad-1);
  color: #06121e;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}
.btn--primary:hover { box-shadow: 0 14px 50px -8px rgba(34, 211, 238, 0.4); }
.btn--ghost {
  color: var(--text);
  background: var(--surface);
}
.btn--ghost:hover { background: var(--surface-strong); border-color: var(--border-strong); }

.scroll-cue {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-display);
  font-size: .7rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.scroll-cue__line {
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--text-muted), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-cue__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: translateX(-100%);
  animation: scrollSlide 2.2s ease-in-out infinite;
}
@keyframes scrollSlide {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

/* =========================================================
   Section base
   ========================================================= */

.section {
  position: relative;
  padding-block: clamp(5rem, 10vh, 9rem);
}
.section__head { max-width: 760px; margin-bottom: clamp(2rem, 4vh, 3.5rem); }
.section__title {
  font-size: clamp(1.875rem, 2.5vw + 1.2rem, 3rem);
  margin-top: .75rem;
}
.section__sub {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 0.4vw + 0.9rem, 1.08rem);
  line-height: 1.7;
}
.section__more { margin-top: 2rem; text-align: center; }

/* =========================================================
   About
   ========================================================= */

.about-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  align-items: start;
}

.about__photo {
  position: relative;
  margin: 0;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  isolation: isolate;
}
.about__photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.02) saturate(1.05);
}
.about__photo-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  z-index: -1;
  background: conic-gradient(from 90deg, #22d3ee, #60a5fa, #a78bfa, #22d3ee);
  filter: blur(2px);
  opacity: .7;
  animation: spin 22s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.about__body .kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.kv > div {
  display: grid;
  grid-template-columns: minmax(110px, 150px) 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.kv > div:first-child { padding-top: 0; }
.kv > div:last-child { border-bottom: 0; }
.kv dt {
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: .15rem;
}
.kv dd { margin: 0; color: var(--text); }
.affiliation-list {
  display: grid;
  gap: .25rem;
}
.affiliation-list span { display: block; }

/* Social row */
.social { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.social a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  transition: transform .25s ease, color .25s ease, border-color .25s ease, background .25s ease;
}
.social a:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  transform: translateY(-2px);
}

/* =========================================================
   Journey block (About → external blog story)
   ========================================================= */

.journey {
  margin-top: clamp(2.5rem, 5vh, 4rem);
  padding-top: clamp(2rem, 4vh, 3rem);
  border-top: 1px solid var(--border);
}
.journey__head {
  display: grid;
  gap: .65rem;
  max-width: 60ch;
  margin-bottom: 1.5rem;
}
.journey__heading {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.4vw + 0.9rem, 1.85rem);
  color: var(--text);
  letter-spacing: -0.02em;
}
.journey__lede {
  color: var(--text-muted);
  margin: 0;
  font-size: .98rem;
  line-height: 1.65;
}
.journey__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.journey-card {
  display: grid;
  grid-template-columns: minmax(160px, 38%) 1fr;
  gap: 1.1rem;
  align-items: stretch;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: transform .3s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
  color: var(--text);
}
.journey-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-strong);
  box-shadow: var(--shadow-card);
}
.journey-card__thumb {
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-2);
}
.journey-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.journey-card__body {
  display: grid;
  gap: .3rem;
  align-content: center;
}
.journey-card__eyebrow {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--accent);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.journey-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.journey-card__lede {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.journey-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: .6rem;
}
.journey-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 38px;
  padding: .55rem .75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  line-height: 1;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
.journey-card__cta:hover {
  transform: translateY(-1px);
}
.journey-card__cta--primary {
  color: #06121e;
  background: var(--grad-1);
  border-color: transparent;
  box-shadow: 0 10px 30px -18px rgba(34, 211, 238, .65);
}
.journey-card__cta--secondary {
  color: var(--text);
  background: rgba(34, 211, 238, .09);
  border-color: rgba(34, 211, 238, .34);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .02);
}
.journey-card__cta--secondary:hover {
  color: var(--text);
  border-color: rgba(34, 211, 238, .58);
  background: rgba(34, 211, 238, .14);
  box-shadow: 0 10px 30px -20px rgba(34, 211, 238, .55);
}
.journey-card__lang {
  display: inline-grid;
  place-items: center;
  min-width: 2.15rem;
  height: 1.35rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  background: rgba(5, 7, 13, .32);
}
.journey-card__cta--secondary .journey-card__lang {
  color: #06121e;
  background: var(--accent);
}

/* =========================================================
   Works accordion
   ========================================================= */

.works-accordion {
  display: grid;
  gap: 1rem;
}

.genre {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.genre:hover {
  border-color: var(--border-strong);
  background: var(--surface-strong);
}
.genre.is-open {
  border-color: var(--border-strong);
  background: var(--surface-strong);
  box-shadow: var(--shadow-card);
}

.genre__heading { margin: 0; }

.genre__trigger {
  display: grid;
  grid-template-columns: minmax(180px, 32%) 1fr auto;
  gap: 1.5rem;
  align-items: center;
  width: 100%;
  padding: 1rem 1.25rem 1rem 1rem;
  text-align: left;
  border-radius: var(--radius-lg);
}

.genre__cover {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background-size: cover;
  background-position: center;
  background-color: var(--bg-2);
  border: 1px solid var(--border);
}

.genre__meta {
  display: grid;
  gap: .4rem;
  align-content: start;
}
.genre__eyebrow {
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}
.genre__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.4vw + 0.7rem, 1.55rem);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.015em;
}
.genre__desc {
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.6;
  max-width: 60ch;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.genre__count {
  margin-top: .25rem;
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: .4rem;
  padding: .22rem .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--accent);
  letter-spacing: .04em;
}

.genre__chev {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: transform .3s ease, color .25s ease, border-color .25s ease, background .25s ease;
}
.genre__trigger[aria-expanded="true"] .genre__chev {
  transform: rotate(180deg);
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
}

.genre__panel {
  overflow: hidden;
  transition: height .35s cubic-bezier(.2,.7,.2,1);
}
.genre__panel[hidden] { display: none; }
.genre__panel-inner { padding: 0 1.25rem 1.5rem; }

@media (prefers-reduced-motion: reduce) {
  .genre__panel { transition: none; }
  .genre__chev { transition: none; }
}

.work-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .25s, box-shadow .25s, background .25s;
  display: flex;
  flex-direction: column;
}
.work-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-strong);
  box-shadow: var(--shadow-card);
}

.work-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-2);
  overflow: hidden;
}
.work-card__media img,
.work-card__media iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: 0;
  object-fit: cover;
}

.work-card__body { padding: 1.25rem 1.4rem 1.6rem; }
.work-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 .5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
}
.work-card__body h3 small {
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .05em;
  font-weight: 500;
}
.work-card__body p { color: var(--text-muted); margin: 0; font-size: .95rem; line-height: 1.6; }

/* YouTube embed placeholder (becomes iframe lazily) */
.yt-embed {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-2);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.yt-embed::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,.5) 100%);
}
.yt-embed::after {
  content: "";
  position: relative;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M8 5v14l11-7z' fill='%23111'/></svg>");
  background-repeat: no-repeat;
  background-position: 56% center;
  background-size: 26px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  transition: transform .25s ease;
}
.work-card:hover .yt-embed::after,
.hobby-card:hover .yt-embed::after { transform: scale(1.06); }

/* =========================================================
   Hobby grid
   ========================================================= */

.hobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.hobby-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  width: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .25s, background .25s, box-shadow .25s;
}
.hobby-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(34,211,238,0), rgba(34,211,238,.5), rgba(167,139,250,.5), rgba(34,211,238,0));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.hobby-card:hover {
  transform: translateY(-4px);
  background: var(--surface-strong);
  box-shadow: var(--shadow-card);
}
.hobby-card:hover::before { opacity: 1; }

.hobby-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg-2);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hobby-card__thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5,7,13,.6) 100%);
}
.hobby-card__num {
  position: absolute;
  top: .8rem; left: .8rem;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--text-muted);
  background: rgba(5,7,13,.6);
  border: 1px solid var(--border);
  padding: .2rem .55rem;
  border-radius: 999px;
}
.hobby-card__play {
  position: absolute;
  bottom: .9rem; right: .9rem;
  z-index: 1;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.95);
  display: grid;
  place-items: center;
  transition: transform .25s ease;
}
.hobby-card__play svg { width: 16px; height: 16px; color: #06121e; margin-left: 3px; }
.hobby-card:hover .hobby-card__play { transform: scale(1.08); }

.hobby-card__body { padding: 1rem 1.1rem 1.25rem; }
.hobby-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 .35rem;
  color: var(--text);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.25em * 2);
}
.hobby-card__desc {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =========================================================
   GitHub repos
   ========================================================= */

.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.repo-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .3s ease, border-color .25s, background .25s;
  min-height: 170px;
}
.repo-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-strong);
}
.repo-card__head { display: flex; align-items: center; gap: .6rem; margin-bottom: .8rem; }
.repo-card__icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.25);
  color: var(--accent);
}
.repo-card__name {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--text);
  font-weight: 600;
  word-break: break-all;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.3em * 2);
}
.repo-card__desc {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.55em * 3);
}
.repo-card__foot {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .75rem;
  color: var(--text-dim);
  font-family: var(--font-display);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.repo-card__cta {
  display: inline-flex;
  gap: .3rem;
  align-items: center;
  color: var(--accent);
}

/* =========================================================
   Tutorials
   ========================================================= */

.slide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.slide-card {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem 1.3rem 1.4rem;
  transition: transform .3s ease, border-color .25s, background .25s;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.slide-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-strong);
}
.slide-card__index {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--accent);
}
.slide-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.slide-card__meta {
  margin-top: auto;
  font-size: .75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =========================================================
   Modal
   ========================================================= */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.modal[aria-hidden="false"] { opacity: 1; pointer-events: auto; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,7,13,.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal__panel {
  position: relative;
  width: min(960px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 80px rgba(0,0,0,.6);
  transform: translateY(20px) scale(.98);
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.modal[aria-hidden="false"] .modal__panel { transform: translateY(0) scale(1); }

.modal__close {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 2;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(5,7,13,.8);
  border: 1px solid var(--border);
  color: var(--text);
  display: grid;
  place-items: center;
  transition: background .25s ease, border-color .25s ease;
}
.modal__close:hover { background: rgba(5,7,13,1); border-color: var(--border-strong); }

.modal__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}
.modal__media iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

.modal__body { padding: 1.5rem 1.75rem 1.75rem; }
.modal__eyebrow { color: var(--accent); }
.modal__title {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.85rem);
  margin: .5rem 0 1rem;
}
.modal__desc { color: var(--text-muted); margin: 0 0 1.5rem; line-height: 1.7; }

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  position: relative;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding-block: 2.5rem;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}
.brand--footer { color: var(--text-muted); }
.social--footer {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
}
.social--footer a {
  width: auto; height: auto;
  display: inline-flex; align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .04em;
  transition: color .25s ease;
}
.social--footer a:hover {
  color: var(--text);
  background: transparent;
  border-color: transparent;
  transform: none;
}
.copyright { font-size: .75rem; color: var(--text-dim); font-family: var(--font-display); letter-spacing: .08em; margin: 0; }

/* =========================================================
   Scroll reveal
   ========================================================= */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease-out, transform .7s ease-out;
  will-change: opacity, transform;
}
.fade-in.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in, .hero__title-line {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 960px) {
  .site-nav { display: none; }
  .menu-btn { display: block; }
}

@media (max-width: 768px) {
  .site-header__inner { height: 60px; gap: 1rem; }
  .mobile-menu { inset: 60px 0 0 0; }
  .brand__name-line2 { display: none; }

  .hero { min-height: auto; padding-block: 6rem 4rem; }
  .hero__title { font-size: clamp(2.3rem, 8.6vw, 3.3rem); }

  .about-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .about__photo { max-width: 240px; }

  .kv > div { grid-template-columns: 1fr; gap: .25rem; }
  .kv dt { padding-top: 0; }

  .hobby-grid { grid-template-columns: 1fr; gap: 1rem; }

  .genre__trigger {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
    position: relative;
  }
  .genre__cover { aspect-ratio: 16 / 9; }
  .genre__chev {
    position: absolute;
    top: .75rem;
    right: .75rem;
    width: 38px;
    height: 38px;
    background: rgba(5, 7, 13, 0.78);
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--text);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2;
  }
  .genre__trigger[aria-expanded="true"] .genre__chev {
    background: rgba(5, 7, 13, 0.85);
  }
  .genre__panel-inner { padding: 0 1rem 1.25rem; }

  .journey__list { grid-template-columns: 1fr; }
  .journey-card { grid-template-columns: 1fr; }

  .modal__panel { max-height: 96vh; }
  .modal__body { padding: 1.25rem 1.25rem 1.5rem; }

  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  :root { --container: 100% - 1.75rem; }
  .container { width: calc(100% - 1.75rem); }
  .header-actions { gap: .6rem; margin-left: auto; }
  .menu-btn { width: 36px; height: 36px; }
  .brand__name-line1 { font-size: .85rem; }
  .brand__mark { width: 32px; height: 32px; font-size: .8rem; }

  .hero__title {
    font-size: clamp(2rem, 10.2vw, 2.8rem);
    letter-spacing: -0.025em;
  }
  .journey-card__links { display: grid; }
  .journey-card__cta { width: 100%; }
}

/* tablet hover devices have no hover */
@media (hover: none) {
  .work-card:hover, .hobby-card:hover, .repo-card:hover, .slide-card:hover {
    transform: none;
  }
}