/* ==========================================================================
   Aditya Cahyo Nugroho — portfolio
   Design language: frosted-glass material, gooey gravity nav indicator.
   Spacing follows a strict 4px/8px grid; interactive targets are >= 44px.
   ========================================================================== */

:root {
  --bg: #06060c;
  --bg-soft: #0a0a14;
  --text: #f2f3f7;
  --muted: #9ba0b2;
  --muted-strong: #c3c7d4;
  --accent: #a99cff;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);

  /* Deepened brand gradient so white text clears 4.5:1 (WCAG AA). */
  --grad: linear-gradient(100deg, #5b45f0 0%, #c21e76 100%);
  --grad-soft: linear-gradient(100deg, #4c40dc 0%, #a81e68 100%);

  /* Spacing scale */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;
  --s9: 96px;

  /* Radii scale */
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  --nav-h: 72px;
  --link-h: 44px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-brand: "Quicksand", var(--font);

  --shadow-deep: 0 30px 70px -28px rgba(0, 0, 0, 0.92);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--s4));
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  background-image:
    radial-gradient(1100px 620px at 12% -8%, rgba(91, 69, 240, 0.20), transparent 62%),
    radial-gradient(900px 560px at 92% 6%, rgba(194, 30, 118, 0.16), transparent 60%),
    radial-gradient(1200px 700px at 50% 118%, rgba(76, 64, 220, 0.14), transparent 60%);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: var(--s2);
  transform: translate(-50%, -160%);
  z-index: 200;
  padding: var(--s3) var(--s5);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(14px);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s ease;
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

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

/* --------------------------------------------------------------------------
   Frosted glass material
   -------------------------------------------------------------------------- */
.glass {
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.032));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(20px) saturate(165%);
  -webkit-backdrop-filter: blur(20px) saturate(165%);
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.04),
    var(--shadow-deep);
}

/* --------------------------------------------------------------------------
   Frosted Glass Gooey Gravity Nav
   -------------------------------------------------------------------------- */
.gnav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: 0 clamp(var(--s4), 3.4vw, 40px);
  border-bottom: 1px solid transparent;
  transition: height 0.35s ease, border-color 0.35s ease;
}

/* The frosted backplate lives on a pseudo-element: putting backdrop-filter on
   .gnav itself would make it a containing block for the fixed bottom dock. */
.gnav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 6, 12, 0.72), rgba(6, 6, 12, 0.42));
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  transition: background 0.35s ease;
}

.gnav.is-scrolled {
  height: 64px;
  border-bottom-color: var(--line);
}
.gnav.is-scrolled::before {
  background: linear-gradient(180deg, rgba(6, 6, 12, 0.88), rgba(6, 6, 12, 0.64));
}

.gnav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  min-height: var(--link-h);
  text-decoration: none;
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.gnav__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.gnav__mark img { width: 20px; height: 20px; object-fit: contain; }

.gnav__pill {
  position: relative;
  display: flex;
  align-items: center;
  padding: var(--s1);
}

.gnav__goo {
  position: absolute;
  inset: 0;
  z-index: 0;
  filter: url("#goo");
  pointer-events: none;
}

.gnav__blob,
.gnav__trail {
  position: absolute;
  left: 0;
  top: 50%;
  height: var(--link-h);
  margin-top: calc(var(--link-h) / -2);
  width: 96px;
  border-radius: var(--r-pill);
  background-image: var(--grad-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30);
  will-change: transform, width;
}

.gnav__trail { opacity: 0.9; }
.gnav__trail--1 { width: 76px; }
.gnav__trail--2 { width: 60px; }
.gnav__trail--3 { width: 46px; }

.gnav__goo.is-hidden { opacity: 0; }

.gnav__list {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--s1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gnav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--link-h);
  padding: 0 var(--s4);
  border-radius: var(--r-pill);
  color: var(--muted-strong);
  font-size: 15px;
  font-weight: 550;
  line-height: 1;
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s ease;
}
.gnav__link:hover { color: var(--text); }
.gnav__link.is-active { color: #fff; font-weight: 600; }

.gnav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--link-h);
  padding: 0 var(--s5);
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.25s ease, background-image 0.25s ease;
}
.gnav__cta:hover {
  transform: translateY(-1px);
  background-image: var(--grad);
  border-color: transparent;
}

/* --------------------------------------------------------------------------
   Player Profile backdrop — diagonal marquee carousel
   (port of the Digital Marquee Carousel pattern, driven from motion.js)
   -------------------------------------------------------------------------- */
.section--about { overflow: hidden; }

.marquee {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.marquee__stage {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 170vw;
  display: flex;
  flex-direction: column;
  gap: var(--s6);
  transform: translate(-50%, -50%) rotate(-25deg);
}

.marquee__row { overflow: hidden; }

.marquee__set {
  display: flex;
  flex: 0 0 auto;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-left var(--speed) linear infinite;
}
.marquee__row[data-dir="1"] .marquee__track { animation-name: marquee-right; }

.marquee__card {
  flex: 0 0 auto;
  width: 440px;
  height: 330px;
  margin-right: var(--s6);
  border-radius: var(--r-md);
  overflow: hidden;
  background: #0d0d18;
}
.marquee__card img { width: 100%; height: 100%; object-fit: cover; }

@keyframes marquee-left {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}
@keyframes marquee-right {
  0% { transform: translate3d(-50%, 0, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

/* A single uniform scrim keeps text legible no matter which image is passing
   underneath: white pixels under an 0.82 scrim still leave body text at ~5.7:1.
   No backdrop-filter here on purpose — the scrim covers the whole section, and
   re-blurring it every frame while the carousel moves is the most expensive
   thing on the page. */
.marquee::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(6, 6, 12, 0.82);
}

.marquee__fade {
  position: absolute;
  left: 0;
  right: 0;
  height: 22%;
  z-index: 2;
}
.marquee__fade--top { top: 0; background: linear-gradient(180deg, var(--bg), transparent); }
.marquee__fade--bottom { bottom: 0; background: linear-gradient(0deg, var(--bg), transparent); }

/* Over the carousel, frosting costs a large per-frame blur and adds little.
   Legibility is instead guaranteed by construction: an 0.78 dark base keeps
   body text at ~5.2:1 even where the artwork behind is pure white, while the
   carousel stays crisp and fully visible in the gaps around the cards. */
.section--about .glass {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background-color: rgba(8, 8, 16, 0.78);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  border-color: rgba(255, 255, 255, 0.13);
}

/* --------------------------------------------------------------------------
   Section reveals (fade in / fade out). Gated behind .js so the page is still
   fully visible if scripts never run.
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--rd, 0s);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + var(--s6)) clamp(20px, 4vw, 56px) var(--s8);
  overflow: clip;
}

.hero__aura {
  position: absolute;
  inset: 0;
  /* Above the WebGL field, which is opaque and paints the page backdrop. */
  z-index: 1;
  pointer-events: none;
}
.hero__aura::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(70% 55% at 50% 42%, rgba(91, 69, 240, 0.18), transparent 70%);
}

/* Particle field. Sits above the aura, below the hero content (z-index 1), and
   is faded at the edges so it never competes with neighbouring sections. */
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(115% 85% at 50% 38%, #000 52%, transparent 100%);
  mask-image: radial-gradient(115% 85% at 50% 38%, #000 52%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1240px;
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(var(--s6), 5vw, 72px);
}

.hero__media { display: flex; justify-content: center; }

.hero__frame {
  position: relative;
  width: 100%;
  max-width: 360px;
  padding: var(--s3);
  border-radius: var(--r-xl);
  border: 1px solid rgba(255, 255, 255, 0.13);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.025));
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), var(--shadow-deep);
}

.hero__portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  height: auto;
  object-fit: cover;
  object-position: center;
  border-radius: 20px;
}

.hero__body { max-width: 680px; }

/* Role line: typographic, deliberately without a pill or a status dot. */
.hero__role {
  margin: 0 0 var(--s4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero__name {
  margin: 0 0 var(--s4);
  font-size: clamp(38px, 5.6vw, 78px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.hero__lead {
  margin: 0 0 var(--s5);
  max-width: 52ch;
  color: var(--muted-strong);
  font-size: clamp(15.5px, 1.25vw, 18px);
  line-height: 1.65;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin: 0 0 var(--s6);
  padding: 0;
  list-style: none;
}

.chip {
  padding: var(--s2) var(--s4);
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0.005em;
  white-space: nowrap;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 48px;
  padding: 0 var(--s5);
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease, background-image 0.25s ease;
}
.btn svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s ease;
}

.btn--primary {
  background-image: var(--grad);
  color: #fff;
  box-shadow: 0 14px 34px -14px rgba(120, 60, 230, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px -14px rgba(120, 60, 230, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn--primary:hover svg { transform: translateX(3px); }

.btn--ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.085);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  padding: clamp(var(--s8), 7.2vw, 104px) clamp(20px, 4vw, 56px);
}

.section__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.section--about { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018)); }
.section--about .section__inner { max-width: 1120px; }
.section--projects { background: var(--bg-soft); }
.section--contact { background: linear-gradient(180deg, var(--bg-soft), transparent); }

.section__head {
  margin-bottom: var(--s7);
  max-width: 720px;
}

.kicker {
  margin: 0 0 var(--s2);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.subhead {
  margin: var(--s7) 0 var(--s5);
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.section__head + .subhead { margin-top: 0; }

.subhead--split {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s4);
  flex-wrap: wrap;
}

.subhead__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: var(--link-h);
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  text-decoration: none;
}
.subhead__link:hover { text-decoration: underline; }
.subhead__link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s ease;
}
.subhead__link:hover svg { transform: translate(2px, -2px); }

/* --------------------------------------------------------------------------
   About: bio + quick facts
   -------------------------------------------------------------------------- */
/* Quantified proof, placed immediately under the section heading so a
   recruiter gets credibility before reading anything. */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 var(--s7);
  padding: var(--s5) 0;
  list-style: none;
}
.stats li {
  padding: 0 var(--s5);
  border-left: 1px solid var(--line);
  text-align: center;
}
.stats li:first-child { border-left: 0; }
.stats__v {
  display: block;
  color: var(--text);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
.stats__k {
  display: block;
  margin-top: var(--s2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--s5);
  align-items: start;
}

.about-card { padding: clamp(var(--s5), 3.4vw, 40px); }

/* The bio keeps the author's exact sentences; only the presentation is
   structured so it can be scanned instead of read as one block. */
.bio__lead {
  margin: 0 0 var(--s5);
  color: var(--text);
  font-size: clamp(17px, 1.35vw, 19.5px);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.bio__points {
  display: grid;
  gap: var(--s4);
  margin: 0;
  padding: 0;
  list-style: none;
}
.bio__points li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: var(--s4);
  align-items: baseline;
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
}
.bio__label {
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.bio__text {
  color: var(--muted-strong);
  font-size: clamp(14.5px, 1.05vw, 16px);
  line-height: 1.7;
}

.facts {
  margin: 0;
  padding: var(--s5) var(--s6);
}
.facts__row {
  display: grid;
  gap: 2px;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}
.facts__row:first-child { padding-top: 0; }
.facts__row:last-child { padding-bottom: 0; border-bottom: 0; }
.facts dt {
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.facts dd {
  margin: 0;
  color: var(--text);
  font-size: 15px;
}
.facts dd a {
  color: var(--accent);
  text-decoration: none;
}
.facts dd a:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   Toolbox — icon tiles with an idle floating animation
   -------------------------------------------------------------------------- */
.toolbox {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.toolbox li {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  animation: float-y 6s ease-in-out infinite;
  animation-delay: var(--fd, 0s);
}

.toolbox img {
  width: 28px;
  height: 28px;
  opacity: 0.92;
}

/* Off-screen work is paused: 13 floating tiles plus four marquee tracks is a
   lot of compositing to keep running while the visitor reads other sections. */
.section--about.is-offscreen .toolbox li,
.section--about.is-offscreen .marquee__track { animation-play-state: paused; }

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --------------------------------------------------------------------------
   Projects: game cards
   -------------------------------------------------------------------------- */
.project-grid { display: grid; gap: clamp(var(--s3), 1.6vw, var(--s5)); }
.project-grid--main {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}
.project-item:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, 0.95);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-item:hover img { transform: scale(1.045); }

.project-item--main { aspect-ratio: 16 / 10; }

/* Light vignette only: the readable text lives on its own glass strip. */
.project-item__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(4, 4, 10, 0.5) 100%);
  transition: opacity 0.4s ease;
}

/* A frosted strip pinned inside the card so the title stays readable over any
   artwork, no matter how bright the pixels behind it are. */
.project-item__meta {
  position: absolute;
  left: var(--s4);
  right: var(--s4);
  bottom: var(--s4);
  display: flex;
  flex-direction: column;
  gap: var(--s1);
  padding: var(--s3) var(--s4);
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 8, 16, 0.62);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  text-align: left;
}

.project-item__title {
  color: #fff;
  font-size: clamp(16px, 1.5vw, 21px);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.project-item__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cfc9ff;
  font-size: 13px;
  font-weight: 600;
}
.project-item__cta svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s ease;
}
.project-item:hover .project-item__cta svg { transform: translate(2px, -2px); }

/* Pixel-art strip: the author's own work, used as evidence rather than
   decoration, placed right after the claim "I am a pixel artist". */
.art-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--s3), 1.6vw, var(--s5));
}
.art-grid .project-item { aspect-ratio: 4 / 3; }

/* --------------------------------------------------------------------------
   Projects: open source list
   -------------------------------------------------------------------------- */
.repo-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.repo {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s2) var(--s4);
  height: 100%;
  padding: var(--s5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, background 0.3s ease;
}
.repo:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.055);
}

.repo__name {
  color: var(--text);
  font-size: 16.5px;
  font-weight: 620;
  letter-spacing: -0.015em;
}

.repo__stars {
  color: #f5c451;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.repo__desc {
  grid-column: 1 / -1;
  color: var(--muted-strong);
  font-size: 14.5px;
  line-height: 1.65;
}

.repo__tags {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s1);
  align-self: end;
}

.tag-pill {
  padding: var(--s1) 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 550;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-card {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(var(--s6), 4.4vw, 56px) clamp(var(--s5), 4vw, var(--s7));
  text-align: center;
}
.contact-subtitle {
  margin: var(--s4) auto var(--s6);
  max-width: 46ch;
  color: var(--muted-strong);
  font-size: clamp(15px, 1.1vw, 17px);
}

.social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--s3);
  margin-bottom: var(--s6);
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), background-image 0.3s ease, border-color 0.3s ease;
}
.social-links a:hover {
  transform: translateY(-4px);
  background-image: var(--grad);
  border-color: transparent;
}
.social-links svg { width: 22px; height: 22px; }

.contact-mail { max-width: 100%; }
.contact-mail span { overflow: hidden; text-overflow: ellipsis; }

/* --------------------------------------------------------------------------
   Wave band
   Decorative brand-gradient glow that dissolves the page into the footer.
   Four phase-shifted copies of one wave carve translucent dark into it.
   -------------------------------------------------------------------------- */
.waves {
  position: relative;
  overflow: hidden;
  height: clamp(150px, 18vh, 210px);
  margin-bottom: -1px; /* guard against a sub-pixel seam above the footer */
  /* Reuse the site's own brand ramp so the band belongs to the palette. */
  background-image: var(--grad-soft);
}

/* Fade the ramp upward: only a luminous horizon survives above the waves. */
.waves::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    var(--bg) 0%,
    rgba(6, 6, 12, 0.88) 38%,
    rgba(6, 6, 12, 0.50) 66%,
    rgba(6, 6, 12, 0) 88%);
  pointer-events: none;
}

.waves__svg {
  position: absolute;
  inset: auto 0 0;
  width: 100%;
  height: 58%;
  min-height: 84px;
}

.waves__parallax > use {
  animation: wave-drift 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
  will-change: transform;
}
.waves__parallax > use:nth-child(1) { fill: rgba(6, 6, 12, 0.40); animation-delay: -2s; animation-duration: 7s; }
.waves__parallax > use:nth-child(2) { fill: rgba(6, 6, 12, 0.58); animation-delay: -3s; animation-duration: 10s; }
.waves__parallax > use:nth-child(3) { fill: rgba(6, 6, 12, 0.80); animation-delay: -4s; animation-duration: 13s; }
.waves__parallax > use:nth-child(4) { fill: #06060c; animation-delay: -5s; animation-duration: 20s; }

@keyframes wave-drift {
  0% { transform: translate3d(-90px, 0, 0); }
  100% { transform: translate3d(85px, 0, 0); }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  /* No hairline: the wave band above already closes the page. */
  padding: var(--s6) clamp(20px, 4vw, 56px) var(--s7);
  background: var(--bg);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 13.5px;
}
.footer__brand {
  font-family: var(--font-brand);
  font-weight: 700;
  color: var(--muted-strong);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .about-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: minmax(0, 300px) minmax(0, 1fr); }
  .repo-list { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  :root { --nav-h: 64px; }

  .gnav { padding-inline: var(--s4); }
  .gnav__wordmark { display: none; }

  /* Links become a floating glass dock, the iOS-style pattern. */
  .gnav__pill {
    position: fixed;
    left: 50%;
    bottom: calc(var(--s4) + env(safe-area-inset-bottom, 0px));
    transform: translateX(-50%);
    padding: var(--s2);
    border-radius: var(--r-pill);
    border: 1px solid var(--line-strong);
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(22px) saturate(170%);
    -webkit-backdrop-filter: blur(22px) saturate(170%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 18px 40px -18px rgba(0, 0, 0, 0.95);
    z-index: 120;
  }
  .gnav__link { padding: 0 var(--s3); font-size: 14px; }

  .marquee__stage { width: 240vw; gap: var(--s5); }
  .marquee__card { width: 260px; height: 195px; margin-right: var(--s5); }
  .toolbox li { width: 56px; height: 56px; }
  .toolbox img { width: 24px; height: 24px; }

  .hero {
    min-height: auto;
    padding: calc(var(--nav-h) + var(--s5)) 20px calc(104px + env(safe-area-inset-bottom, 0px));
  }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
    gap: var(--s5);
  }
  .hero__frame { max-width: 208px; padding: var(--s2); border-radius: 28px; }
  .hero__portrait { border-radius: 20px; }
  .hero__body { max-width: 100%; }
  .hero__role { margin-bottom: var(--s3); font-size: 12px; letter-spacing: 0.14em; }
  .hero__name { margin-bottom: var(--s3); font-size: clamp(32px, 8.6vw, 44px); }
  .hero__lead { margin-bottom: var(--s4); font-size: 15px; }
  .chips { justify-content: center; gap: 6px; margin-bottom: var(--s5); }
  .chip { padding: 6px var(--s3); font-size: 12px; }
  .hero__actions { justify-content: center; width: 100%; flex-direction: column; }
  .btn { width: 100%; }

  .stats { padding: var(--s4) 0; margin-bottom: var(--s6); }
  .stats li { padding: 0 var(--s3); }
  .stats__k { font-size: 10.5px; letter-spacing: 0.06em; }
  .bio__points li { grid-template-columns: minmax(0, 1fr); gap: 6px; }

  .project-grid--main { grid-template-columns: minmax(0, 1fr); }
  .art-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-item__meta { left: var(--s3); right: var(--s3); bottom: var(--s3); }

  .repo { padding: var(--s4) var(--s5); }

  .waves { height: 132px; }

  /* Clear the floating dock so the footer is never hidden behind it. */
  .footer { padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px)); }

  .footer__inner { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
  .hero__frame { max-width: 188px; }
  .chip { font-size: 11.5px; padding: 6px 10px; }
  .gnav__link { padding: 0 10px; font-size: 13.5px; }
  .repo__name { font-size: 15.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .toolbox li { animation: none; }
  .waves__parallax > use { animation: none; }
}