/* Octave Studios */

:root {
  --bg: #0b0b0a;
  --bg-2: #101010;
  --ink: #efe9df;
  --ink-2: #a8a196;
  --ink-3: #6d675e;
  --rule: #24231f;
  --rule-2: #34322c;

  --sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --logo: "Bodoni Moda", "Times New Roman", Georgia, serif;
  --serif: "Instrument Serif", "Times New Roman", Georgia, serif;

  --pad: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }

em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

/* ---------- micro label ---------- */

.eyebrow,
.index,
.work-no,
.work-meta,
.foot,
.nav-right,
.contact-note {
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px var(--pad) 30px;
  background: linear-gradient(to bottom, var(--bg) 0%, var(--bg) 62%, rgba(11,11,10,0) 100%);
}

.wordmark {
  display: inline-flex;
  align-items: flex-end;
  gap: 7px;
}

.wm-name {
  position: relative;
  display: inline-block;
  font-family: var(--logo);
  font-size: 19px;
  line-height: 1;
  letter-spacing: -0.02em;
  padding-bottom: 12px;
}

.wm-slur {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  width: 100%;
  height: 8px;
}

.wm-slur path { fill: var(--ink); }

.wm-desc {
  font-family: var(--logo);
  font-size: 19px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-2);
  padding-bottom: 12px;
}

.wordmark:hover .wm-desc { color: var(--ink); }

.nav-right { display: flex; gap: 26px; }

.nav-right a { transition: color 200ms var(--ease); }

.nav-right a:hover { color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  padding: clamp(140px, 22vh, 220px) var(--pad) clamp(48px, 8vh, 90px);
  max-width: 1440px;
}

.eyebrow { display: block; margin: 0 0 clamp(28px, 5vh, 52px); }

.display {
  margin: 0;
  font-size: clamp(38px, 7.2vw, 104px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 16ch;
}

.display em { letter-spacing: -0.01em; }

.lede {
  margin: clamp(28px, 4vh, 44px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.35vw, 19px);
  color: var(--ink-2);
  line-height: 1.55;
}

/* ---------- the octave ---------- */

.octave-wrap {
  padding: clamp(40px, 7vh, 80px) var(--pad) clamp(28px, 5vh, 48px);
}

.octave {
  display: flex;
  align-items: flex-end;
  gap: 1px;
  height: clamp(90px, 16vh, 168px);
  border-bottom: 1px solid var(--rule);
}

.bar {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  margin: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  flex: 1 1 0;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.bar-line {
  display: block;
  width: 1px;
  background: var(--ink);
  opacity: 0.22;
  transition: opacity 500ms var(--ease), transform 500ms var(--ease), box-shadow 500ms var(--ease);
  transform-origin: bottom center;
}

.bar[data-step="0"] .bar-line { height: 24%; }
.bar[data-step="1"] .bar-line { height: 34%; }
.bar[data-step="2"] .bar-line { height: 45%; }
.bar[data-step="3"] .bar-line { height: 56%; }
.bar[data-step="4"] .bar-line { height: 67%; }
.bar[data-step="5"] .bar-line { height: 78%; }
.bar[data-step="6"] .bar-line { height: 89%; }
.bar[data-step="7"] .bar-line { height: 100%; }

.bar:hover .bar-line,
.bar:focus-visible .bar-line,
.bar.lit .bar-line {
  opacity: 1;
  transform: scaleX(3);
  box-shadow: 0 0 24px rgba(239, 233, 223, 0.35);
  transition-duration: 90ms;
}

.bar:focus-visible { outline: none; }

/* ---------- sections ---------- */

.section {
  padding: clamp(64px, 12vh, 150px) var(--pad);
  border-top: 1px solid var(--rule);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: clamp(36px, 6vh, 64px);
}

.section-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
}

/* ---------- work ---------- */

.work { list-style: none; margin: 0; padding: 0; }

.work-item { border-top: 1px solid var(--rule); position: relative; }
.work-item:last-child { border-bottom: 1px solid var(--rule); }

.work-row {
  display: grid;
  grid-template-columns: 60px minmax(160px, 1.1fr) minmax(0, 2fr) auto;
  align-items: start;
  gap: 28px;
  padding: clamp(24px, 4vh, 42px) 0 clamp(52px, 6vh, 62px);
  transition: opacity 300ms var(--ease);
}

.work:hover .work-item:not(:hover) .work-row { opacity: 0.42; }

.work-no { padding-top: 8px; }

.work-name {
  font-size: clamp(26px, 3.4vw, 46px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1;
}

.work-desc {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.5;
  max-width: 44ch;
  padding-top: 6px;
}

.work-meta { padding-top: 10px; white-space: nowrap; }

.work-links {
  position: absolute;
  left: 88px;
  bottom: clamp(18px, 2.6vh, 26px);
  display: flex;
  gap: 20px;
}

.work-links a {
  font-size: 13px;
  color: var(--ink-3);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--rule-2);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.work-links a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- studio ---------- */

.statement {
  margin: 0 0 clamp(56px, 9vh, 100px);
  max-width: 24ch;
  font-size: clamp(26px, 3.6vw, 50px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.statement em { color: var(--ink-2); }

.practice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 64px);
  max-width: 1180px;
}

.practice-item { border-top: 1px solid var(--rule); padding-top: 18px; }

.practice-item h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.practice-item p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.6;
  max-width: 34ch;
}

/* ---------- contact ---------- */

.mailto {
  display: block;
  font-size: clamp(28px, 6.4vw, 88px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.05;
  word-break: break-word;
  transition: opacity 300ms var(--ease);
}

.mailto:hover { opacity: 0.55; }

.contact-note { margin: clamp(20px, 3vh, 32px) 0 0; }

/* ---------- footer ---------- */

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  padding: 28px var(--pad) 34px;
  border-top: 1px solid var(--rule);
}

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .bar-line { transition: opacity 120ms linear; }
  .bar:hover .bar-line,
  .bar:focus-visible .bar-line,
  .bar.lit .bar-line { transform: none; box-shadow: none; }
}

/* ---------- documents (support / privacy) ---------- */

.doc-page { padding: clamp(120px, 18vh, 190px) var(--pad) 0; }

.doc {
  max-width: 660px;
  padding-bottom: clamp(64px, 12vh, 130px);
}

.doc .back {
  display: inline-block;
  margin-bottom: clamp(40px, 7vh, 72px);
  font-size: 13px;
  color: var(--ink-3);
  transition: color 200ms var(--ease);
}

.doc .back:hover { color: var(--ink); }

.doc h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.doc .meta {
  margin: 0 0 clamp(36px, 6vh, 58px);
  font-size: 13px;
  color: var(--ink-3);
}

.doc h2 {
  margin: clamp(38px, 6vh, 56px) 0 14px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
}

.doc p, .doc li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
}

.doc p { margin: 0 0 14px; }
.doc strong { color: var(--ink); font-weight: 400; }
.doc ul { margin: 14px 0; padding-left: 18px; }
.doc li { margin-bottom: 10px; }
.doc li::marker { color: var(--ink-3); }

.doc a:not(.back) {
  color: var(--ink);
  border-bottom: 1px solid var(--rule-2);
  padding-bottom: 1px;
  transition: border-color 200ms var(--ease);
}

.doc a:not(.back):hover { border-bottom-color: var(--ink); }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .practice { grid-template-columns: 1fr; gap: 28px; }
  .work-row {
    grid-template-columns: 44px 1fr;
    gap: 8px 20px;
    padding-bottom: 58px;
  }
  .work-name { grid-column: 2; }
  .work-desc { grid-column: 2; max-width: none; padding-top: 10px; }
  .work-meta { grid-column: 2; padding-top: 12px; }
  .work-links { left: 64px; }
  .statement { max-width: none; }
}

@media (max-width: 600px) {
  .nav-right { gap: 16px; }
  .wm-name, .wm-desc { font-size: 17px; }
  .display { max-width: none; }
  .octave { height: 88px; }
  .hero { padding-bottom: 28px; }
  .octave-wrap { padding-top: 28px; }
}