/* ============================================================
   LUMEN & MASS — dark / iridescent / optical
   display: Michroma · text: Inter Tight · serif: Newsreader italic
   ============================================================ */

:root {
  --bg: #07070b;
  --bg-2: #0b0b12;
  --panel: #0d0d15;
  --ink: #edeaf4;
  --dim: #928fa3;
  --faint: #55525f;
  --line: rgba(237, 234, 244, 0.1);
  --irid-1: #6ef0d9; /* thin-film cyan   */
  --irid-2: #a08bff; /* thin-film violet */
  --irid-3: #ff9ecb; /* thin-film rose   */
  --irid-4: #ffd98a; /* thin-film gold   */
  --grad-chrome: linear-gradient(168deg, #f6f5fb 8%, #b9b6cc 34%, #6f6c82 50%, #d9d6ea 66%, #8e8ba3 92%);
  --grad-irid: linear-gradient(110deg, var(--irid-1), var(--irid-2) 45%, var(--irid-3) 80%);
  --font-display: "Michroma", "Arial Black", sans-serif;
  --font-text: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, serif;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--irid-2); color: #07070b; }

h1, h2, h3 { font-weight: 400; }

/* ---------- utilities ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

.skip-link {
  position: fixed; top: -3.5rem; left: 1rem; z-index: 100;
  background: var(--ink); color: var(--bg);
  padding: 0.6rem 1.1rem; border-radius: 2rem;
  font-size: 0.85rem; text-decoration: none;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--irid-1);
  outline-offset: 3px;
  border-radius: 2px;
}

/* chrome-clipped display text */
.chrome {
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- header ---------- */
.site-head {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--pad);
  mix-blend-mode: normal;
  background: linear-gradient(to bottom, rgba(7,7,11,0.82), rgba(7,7,11,0));
  pointer-events: none;
}
.site-head > * { pointer-events: auto; }

.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink); text-decoration: none;
  font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand-mark { width: 1.15rem; height: 1.15rem; }

.site-head nav { display: flex; align-items: center; gap: clamp(0.9rem, 2.5vw, 2rem); }
.site-head nav a {
  color: var(--dim); text-decoration: none;
  font-size: 0.85rem; letter-spacing: 0.04em;
  transition: color 0.25s;
}
.site-head nav a:hover { color: var(--ink); }
.nav-cta {
  color: var(--ink) !important;
  border: 1px solid var(--line);
  padding: 0.45rem 1rem; border-radius: 2rem;
  background: rgba(13, 13, 21, 0.55);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, color 0.25s;
}
.nav-cta:hover { border-color: var(--irid-1); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem var(--pad) 4.5rem;
  isolation: isolate;
}
.hero-canvas-wrap {
  position: absolute; inset: 0; z-index: -1;
  overflow: hidden;
  background: radial-gradient(120% 90% at 70% 30%, #101019 0%, var(--bg) 62%);
}
#gl { width: 100%; height: 100%; display: block; }

.hero-inner { max-width: 72rem; }

.hero-kicker {
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--dim);
  margin-bottom: clamp(1.2rem, 3vh, 2.2rem);
}
.tick {
  width: 2.2rem; height: 1px; flex: none;
  background: var(--grad-irid);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 11.5vw, 9.5rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 clamp(1.4rem, 3.5vh, 2.6rem);
}
.hero-title .line { display: block; }
.hero-title .amp {
  font-size: 0.42em;
  padding: 0.28em 0 0.12em 0.06em;
  background: var(--grad-irid);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  color: var(--dim);
  max-width: 44rem;
}
.hero-sub br { display: none; }

.hero-foot {
  position: absolute; bottom: 1.4rem; left: var(--pad); right: var(--pad);
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint);
}
.hf-hint { transition: opacity 0.8s; }
.hf-hint.faded { opacity: 0; }

/* ---------- section scaffolding ---------- */
section { padding: clamp(4.5rem, 11vh, 8.5rem) var(--pad); }

.sect-head { max-width: 76rem; margin: 0 auto clamp(2.5rem, 6vh, 4.5rem); }
.sect-index {
  display: block;
  font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1rem;
}
.sect-index::before {
  content: ""; display: inline-block; vertical-align: middle;
  width: 1.6rem; height: 1px; margin-right: 0.7rem;
  background: var(--grad-irid);
}
.sect-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2.4rem);
  line-height: 1.25;
  max-width: 34ch;
}

/* ---------- disciplines ---------- */
.disciplines { border-top: 1px solid var(--line); background: var(--bg-2); }

.disc-list { list-style: none; max-width: 76rem; margin: 0 auto; }
.disc-row {
  display: grid;
  grid-template-columns: 6rem 1fr 12rem;
  gap: 2rem;
  align-items: start;
  padding: clamp(1.8rem, 4vh, 3rem) 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.disc-row:last-child { border-bottom: 1px solid var(--line); }
.disc-row::after {
  content: ""; position: absolute; left: 0; top: -1px;
  width: 0; height: 1px; background: var(--grad-irid);
  transition: width 0.7s var(--ease-out);
}
.disc-row:hover::after, .disc-row:focus-within::after { width: 100%; }

.disc-num {
  font-family: var(--font-display);
  font-size: 0.85rem; letter-spacing: 0.1em;
  color: var(--faint);
  padding-top: 0.4rem;
}
.disc-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  margin-bottom: 0.8rem;
  background: var(--grad-chrome);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.disc-body p { color: var(--dim); max-width: 56ch; }
.disc-tag {
  justify-self: end; text-align: right;
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--faint);
  padding-top: 0.5rem;
}

/* ---------- works ---------- */
.works { border-top: 1px solid var(--line); }

.case {
  max-width: 76rem;
  margin: 0 auto clamp(3rem, 8vh, 6rem);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  overflow: hidden;
  background: var(--panel);
  position: relative;
}
.case:last-child { margin-bottom: 0; }

.case-copy { padding: clamp(1.8rem, 4vw, 3.5rem); }

.case-meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.6rem;
}
.case-meta span:not(:last-child)::after { content: " ·"; color: var(--faint); }

.case h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.6rem);
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
}
.case-quote {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 300;
  font-size: clamp(1.25rem, 2.6vw, 1.9rem);
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 1.4rem;
  max-width: 30ch;
}
.case-serif {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 300;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.5;
  margin-bottom: 1.2rem;
  max-width: 42ch;
}
.case-desc { color: var(--dim); max-width: 58ch; }

.case-stats {
  display: flex; flex-wrap: wrap; gap: 2.5rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}
.case-stats dt {
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.25rem;
}
.case-stats dd {
  font-family: var(--font-display);
  font-size: 1.15rem;
  background: var(--grad-irid);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.spec-table {
  width: 100%; border-collapse: collapse;
  margin-top: 2rem;
  font-size: 0.95rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  font-weight: 300;
}
.spec-table th { color: var(--faint); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; width: 40%; }
.spec-table td { color: var(--ink); }

/* case layouts vary */
.case-a { display: grid; grid-template-columns: 1fr 1.1fr; }
.case-a .case-visual { order: 0; min-height: 20rem; }
.case-b { display: grid; grid-template-columns: 1.1fr 1fr; }
.case-b .case-visual { min-height: 20rem; }
.case-c { display: grid; grid-template-columns: 1fr 0.75fr; }
.case-c .case-visual { min-height: 18rem; }

.case-visual {
  position: relative; overflow: hidden;
  background:
    radial-gradient(90% 90% at 30% 20%, rgba(160, 139, 255, 0.09), transparent 60%),
    radial-gradient(80% 80% at 75% 80%, rgba(110, 240, 217, 0.07), transparent 60%),
    var(--bg-2);
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(0.5px);
}
.orb-1 {
  width: 55%; aspect-ratio: 1; left: 22%; top: 18%;
  background:
    radial-gradient(circle at 32% 28%, rgba(246,245,251,0.9) 0%, rgba(246,245,251,0) 18%),
    conic-gradient(from 210deg, #1a1a26, #6ef0d9 18%, #1a1a26 34%, #a08bff 52%, #14141e 68%, #ff9ecb 86%, #1a1a26);
  box-shadow: 0 0 90px rgba(160,139,255,0.28), inset 0 0 60px rgba(7,7,11,0.75);
}
.orb-2 {
  width: 68%; aspect-ratio: 1; left: 16%; top: 24%;
  background:
    radial-gradient(circle at 68% 24%, rgba(246,245,251,0.85) 0%, rgba(246,245,251,0) 14%),
    radial-gradient(circle at 50% 50%, #23232f 30%, #0b0b12 72%),
    conic-gradient(from 40deg, #14141e, #ffd98a 30%, #14141e 52%, #6ef0d9 78%, #14141e);
  background-blend-mode: screen, normal, normal;
  box-shadow: 0 0 110px rgba(255,217,138,0.18), inset 0 0 70px rgba(7,7,11,0.8);
}
.orb-3 {
  width: 60%; aspect-ratio: 1; left: 20%; top: 20%;
  background:
    radial-gradient(circle at 40% 30%, rgba(246,245,251,0.85) 0%, rgba(246,245,251,0) 16%),
    conic-gradient(from 120deg, #10101a, #ff9ecb 22%, #10101a 44%, #6ef0d9 64%, #10101a 82%, #a08bff);
  box-shadow: 0 0 100px rgba(255,158,203,0.2), inset 0 0 60px rgba(7,7,11,0.78);
}
.case-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(237,234,244,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,234,244,0.05) 1px, transparent 1px);
  background-size: 3.2rem 3.2rem;
  mask-image: radial-gradient(90% 90% at 50% 50%, black 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(90% 90% at 50% 50%, black 30%, transparent 85%);
}
.scanline {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom, transparent 0 5px, rgba(7,7,11,0.35) 5px 6px);
  opacity: 0.5;
}

/* ---------- approach ---------- */
.approach { border-top: 1px solid var(--line); background: var(--bg-2); }

.manifesto { max-width: 60rem; margin: 0 auto; }
.manifesto-line {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 300;
  font-size: clamp(1.5rem, 3.6vw, 2.7rem);
  line-height: 1.35;
  color: var(--dim);
  padding: clamp(1.2rem, 3vh, 2rem) 0;
  border-bottom: 1px solid var(--line);
}
.manifesto-line:first-child { border-top: 1px solid var(--line); }
.manifesto-line em {
  font-style: italic;
  background: var(--grad-irid);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.approach-notes {
  max-width: 60rem; margin: clamp(2.5rem, 6vh, 4rem) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem;
}
.note-k {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem; letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
  color: var(--ink);
}
.note p { color: var(--dim); font-size: 0.95rem; }

/* ---------- strip (awards/clients) ---------- */
.strip { border-top: 1px solid var(--line); }
.strip-cols {
  max-width: 76rem; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem);
}
.strip-title {
  font-family: var(--font-display);
  font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.6rem;
}
.strip-list { list-style: none; }
.strip-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.strip-list li:last-child { border-bottom: 1px solid var(--line); }
.strip-y { color: var(--faint); font-size: 0.85rem; flex: none; }

/* ---------- contact ---------- */
.contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 60% at 50% 110%, rgba(160,139,255,0.13), transparent 70%),
    radial-gradient(50% 40% at 20% 100%, rgba(110,240,217,0.08), transparent 70%),
    var(--bg);
}
.contact-inner { max-width: 76rem; margin: 0 auto; text-align: left; }
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 5.5rem);
  line-height: 1.06;
  text-transform: uppercase;
  margin: 1rem 0 1.8rem;
}
.contact-title span { display: block; }
.contact-sub { color: var(--dim); max-width: 46rem; margin-bottom: 3rem; }
.contact-sub br { display: none; }

.contact-row {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.contact-mail {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.6vw, 1.6rem);
  color: var(--ink); text-decoration: none;
  background: var(--grad-irid);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.4rem;
  transition: border-color 0.3s;
  overflow-wrap: anywhere;
}
.contact-mail:hover { border-color: var(--irid-2); }
.contact-cities { display: flex; flex-direction: column; gap: 0.3rem; color: var(--faint); font-size: 0.88rem; text-align: right; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 1.6rem var(--pad); }
.foot-row {
  max-width: 76rem; margin: 0 auto;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem 2rem;
  font-size: 0.82rem; color: var(--faint);
}
.foot-row a { color: var(--dim); text-decoration: none; transition: color 0.25s; }
.foot-row a:hover { color: var(--ink); }
.foot-spec { letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.hero-title .reveal { transition-duration: 1.1s; }
.hero-title .line:nth-child(2) { transition-delay: 0.12s; }
.hero-title .line:nth-child(3) { transition-delay: 0.22s; }
.hero-sub.reveal { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .disc-row::after { transition: none; }
  .hf-hint { display: none; }
}

/* ---------- guide page ---------- */
.guide-main { max-width: 46rem; margin: 0 auto; padding: 8rem var(--pad) 5rem; }
.guide-main > section { padding: 2.6rem 0 0; border: 0; }
.guide-kicker { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.guide-title { font-family: var(--font-display); font-size: clamp(1.7rem, 5vw, 3rem); line-height: 1.15; margin-bottom: 1.2rem; }
.guide-lede { font-family: var(--font-serif); font-style: italic; font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--dim); line-height: 1.5; }
.guide-main h2 {
  font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.03em;
  margin-bottom: 1.1rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  background: var(--grad-chrome); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.guide-main h3 { font-size: 1rem; font-weight: 500; margin: 1.6rem 0 0.6rem; color: var(--ink); }
.guide-main p, .guide-main li { color: var(--dim); margin-bottom: 0.9rem; }
.guide-main ul, .guide-main ol { padding-left: 1.3rem; margin-bottom: 1rem; }
.guide-main code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.86em; color: var(--irid-1);
  background: rgba(110, 240, 217, 0.07);
  padding: 0.1em 0.35em; border-radius: 0.3em;
}
.guide-main pre {
  background: var(--panel); border: 1px solid var(--line); border-radius: 0.7rem;
  padding: 1.1rem 1.3rem; overflow-x: auto; margin: 0 0 1.2rem;
}
.guide-main pre code { background: none; padding: 0; color: #c9c6d8; font-size: 0.82rem; line-height: 1.6; }
.guide-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1.2rem; font-size: 0.92rem; }
.guide-table th, .guide-table td { text-align: left; padding: 0.55rem 0.8rem 0.55rem 0; border-top: 1px solid var(--line); font-weight: 300; color: var(--dim); }
.guide-table th { color: var(--faint); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
.guide-table td:last-child { color: var(--irid-1); font-family: var(--font-display); font-size: 0.85rem; }
.pass { border-left: 2px solid; border-image: var(--grad-irid) 1; padding-left: 1.2rem; margin: 1.4rem 0; }
.pass strong { color: var(--ink); font-weight: 500; }

/* ---------- 404 ---------- */
.nf-main {
  min-height: 100svh; display: flex; flex-direction: column;
  align-items: flex-start; justify-content: center;
  padding: 6rem var(--pad); position: relative; isolation: isolate;
}
.nf-code {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 20vw, 15rem); line-height: 1;
}
.nf-title { font-family: var(--font-display); font-size: clamp(1.1rem, 3vw, 1.8rem); margin: 1rem 0 1.2rem; }
.nf-copy { color: var(--dim); max-width: 40rem; margin-bottom: 2.4rem; }
.nf-link {
  font-family: var(--font-display); font-size: 0.9rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink); text-decoration: none;
  border: 1px solid var(--line); border-radius: 2rem; padding: 0.9rem 1.8rem;
  transition: border-color 0.3s;
}
.nf-link:hover { border-color: var(--irid-1); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 900px) {
  .hero-sub br, .contact-sub br { display: inline; }
}

@media (max-width: 900px) {
  .site-head nav a:not(.nav-cta) { display: none; }

  .disc-row { grid-template-columns: 3.5rem 1fr; }
  .disc-tag { grid-column: 2; justify-self: start; text-align: left; padding-top: 0; }

  .case-a, .case-b, .case-c { grid-template-columns: 1fr; }
  .case-a .case-visual, .case-b .case-visual, .case-c .case-visual { min-height: 15rem; order: 0; }
  .case-b .case-copy { order: 1; }

  .approach-notes { grid-template-columns: 1fr; gap: 1.8rem; }
  .strip-cols { grid-template-columns: 1fr; }
  .contact-cities { text-align: left; }
}

@media (max-width: 480px) {
  .hero-foot { justify-content: center; }
  .hero-foot .hf-item:not(.hf-hint) { display: none; }
  .case-stats { gap: 1.4rem 2rem; }
}