/* ===========================================================
   Studio Audio — studioaudio.click
   Archetype: studio_console
   Dark mastering-room aesthetic, console-driven layout
   =========================================================== */

:root {
  --bg: #0a0c10;
  --bg-2: #0e1118;
  --panel: #12151d;
  --panel-2: #161a24;
  --line: #232938;
  --line-2: #2d3447;
  --ink: #eef2f8;
  --ink-2: #aab3c5;
  --ink-3: #6f7a91;
  --amber: #f5a623;
  --amber-2: #ffc861;
  --cyan: #34e0d9;
  --violet: #8b7bff;
  --green: #4ade80;
  --red: #ff6b6b;
  --grad: linear-gradient(120deg, var(--amber) 0%, var(--cyan) 45%, var(--violet) 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, .8);
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(1180px, 92vw); margin-inline: auto; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--amber);
  opacity: .7;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; font-weight: 700; }

.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 2.6rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); margin: .8rem 0 .7rem; }
.section-head p { color: var(--ink-2); font-size: 1.04rem; }

/* ---------- Scroll progress ---------- */
.progress-track {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  background: transparent; z-index: 200;
}
.progress-bar {
  height: 100%; width: 0%;
  background: var(--grad);
  box-shadow: 0 0 14px rgba(52, 224, 217, .6);
  transition: width .1s linear;
}

/* ---------- Top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 12, 16, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 0;
}
.brand { display: flex; align-items: center; gap: .65rem; font-weight: 700; letter-spacing: -.01em; }
.brand .led {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.brand small { font-family: var(--mono); font-size: .62rem; color: var(--ink-3); letter-spacing: .2em; display: block; }
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: .92rem; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  font-family: var(--mono); font-size: .8rem;
  padding: .55rem 1.1rem; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--ink);
}
.nav-cta:hover { border-color: var(--amber); color: var(--amber); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); color: var(--ink); border-radius: 8px; padding: .4rem .6rem; font-size: 1.1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-weight: 600; font-size: .96rem;
  padding: .85rem 1.5rem; border-radius: 999px;
  cursor: pointer; border: none; transition: transform .2s, box-shadow .2s;
}
.btn-primary { background: var(--amber); color: #1a1205; box-shadow: 0 12px 30px -10px rgba(245, 166, 35, .6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -12px rgba(245, 166, 35, .7); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--ink); border: 1px solid var(--line-2); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- Animated gradient border utility ---------- */
.gborder { position: relative; border-radius: var(--radius); background: var(--panel); }
.gborder::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(120deg, var(--amber), var(--cyan), var(--violet), var(--amber));
  background-size: 300% 300%;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: borderflow 7s linear infinite;
  pointer-events: none;
}
@keyframes borderflow { 0%{background-position:0% 50%} 100%{background-position:300% 50%} }

/* ===========================================================
   HERO — audio mixing console full-bleed
   =========================================================== */
.hero { position: relative; padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(3rem,6vw,5rem); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(139,123,255,.16), transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 30%, rgba(52,224,217,.12), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 2.4rem; align-items: center;
}
.hero-copy h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); margin: 1rem 0 1.1rem; }
.hero-copy h1 .hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy p.lead { color: var(--ink-2); font-size: 1.12rem; max-width: 46ch; margin-bottom: 1.8rem; }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; margin-bottom: 1.8rem; }
.hero-meta { display: flex; gap: 1.8rem; flex-wrap: wrap; font-family: var(--mono); font-size: .78rem; color: var(--ink-3); }
.hero-meta b { color: var(--ink); display: block; font-size: 1.3rem; font-weight: 700; font-family: var(--sans); }

/* Console */
.console {
  position: relative; padding: 1.3rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow);
}
.console-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.console-head .dot-row { display: flex; gap: .4rem; }
.console-head .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.console-head .dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.console-head span { font-family: var(--mono); font-size: .68rem; color: var(--ink-3); letter-spacing: .15em; }
.faders { display: grid; grid-template-columns: repeat(6, 1fr); gap: .7rem; align-items: end; height: 168px; padding: .4rem 0; }
.fader { display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; gap: .5rem; }
.fader-track {
  width: 6px; flex: 1; border-radius: 4px; position: relative;
  background: var(--line); overflow: hidden;
}
.fader-fill {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: var(--grad); border-radius: 4px;
  transition: height .5s cubic-bezier(.4,0,.2,1);
}
.fader-cap {
  width: 22px; height: 12px; border-radius: 3px;
  background: linear-gradient(180deg, #3a4256, #1c2230);
  border: 1px solid var(--line-2);
}
.fader label { font-family: var(--mono); font-size: .58rem; color: var(--ink-3); letter-spacing: .1em; }
.console-meter { margin-top: 1rem; display: flex; gap: 3px; height: 10px; }
.console-meter i { flex: 1; border-radius: 2px; background: var(--line); }
.console-meter i.lit { background: var(--green); }
.console-meter i.lit.warn { background: var(--amber); }
.console-meter i.lit.peak { background: var(--red); }
.console-foot { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font-family: var(--mono); font-size: .68rem; color: var(--ink-3); }

/* ===========================================================
   SESSION TYPES — tabs / segmented
   =========================================================== */
.seg {
  display: inline-flex; padding: .35rem; gap: .25rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
  margin-bottom: 2rem; flex-wrap: wrap;
}
.seg button {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .03em;
  padding: .6rem 1.2rem; border-radius: 999px; border: none;
  background: transparent; color: var(--ink-2); cursor: pointer; transition: color .25s;
  position: relative;
}
.seg button[aria-selected="true"] { color: #1a1205; }
.seg button[aria-selected="true"]::before {
  content: ""; position: absolute; inset: 0; border-radius: 999px; z-index: -1;
  background: var(--amber);
}
.seg button { position: relative; z-index: 1; }
.seg button[aria-selected="true"] { z-index: 1; }

.tab-panel { display: none; }
.tab-panel.active { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; animation: fade .4s ease; }
@keyframes fade { from { opacity: .3; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tab-panel h3 { font-size: 1.6rem; margin-bottom: .8rem; }
.tab-panel p { color: var(--ink-2); margin-bottom: 1.2rem; }
.tab-list { list-style: none; display: grid; gap: .7rem; }
.tab-list li { display: flex; gap: .7rem; align-items: flex-start; color: var(--ink-2); font-size: .96rem; }
.tab-list li::before { content: "▸"; color: var(--cyan); font-family: var(--mono); margin-top: .05rem; }
.tab-media { border-radius: var(--radius); overflow: hidden; position: relative; }
.tab-media img { width: 100%; height: 340px; object-fit: cover; }
.tab-media .tag {
  position: absolute; top: 1rem; left: 1rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  background: rgba(10,12,16,.78); padding: .4rem .8rem; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--amber);
}

/* ===========================================================
   SIGNAL CHAIN — signature process timeline
   =========================================================== */
.signal { background: var(--bg-2); border-block: 1px solid var(--line); }
.signal-flow { position: relative; }
.signal-rail {
  position: absolute; top: 34px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan), var(--violet));
  opacity: .5;
}
.signal-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; position: relative; }
.signal-step { text-align: center; }
.signal-node {
  width: 68px; height: 68px; margin: 0 auto 1.1rem; border-radius: 16px;
  background: var(--panel); border: 1px solid var(--line-2);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 700;
  font-size: 1.1rem; color: var(--amber); position: relative;
  transition: transform .3s, border-color .3s;
}
.signal-step:hover .signal-node { transform: translateY(-4px); border-color: var(--amber); }
.signal-node::after {
  content: attr(data-stage); position: absolute; inset: 0; display: grid; place-items: center;
}
.signal-step h4 { font-size: 1.02rem; margin-bottom: .4rem; }
.signal-step p { color: var(--ink-3); font-size: .85rem; }
.signal-detail {
  margin-top: 2.6rem; display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; align-items: center;
  padding: 1.4rem; border-radius: var(--radius);
}
.signal-detail img { border-radius: var(--radius-sm); height: 300px; width: 100%; object-fit: cover; }
.signal-detail ul { list-style: none; display: grid; gap: .9rem; }
.signal-detail li { display: flex; gap: .8rem; color: var(--ink-2); }
.signal-detail li b { color: var(--ink); }
.signal-detail .chip { font-family: var(--mono); color: var(--cyan); font-size: .8rem; }

/* ===========================================================
   ROOM / GALLERY
   =========================================================== */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 1rem; }
.gcell { position: relative; border-radius: var(--radius-sm); overflow: hidden; }
.gcell img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gcell:hover img { transform: scale(1.07); }
.gcell::after {
  content: attr(data-label); position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.4rem 1rem .8rem; font-family: var(--mono); font-size: .74rem; letter-spacing: .1em;
  color: var(--ink); background: linear-gradient(transparent, rgba(8,10,14,.9));
  opacity: 0; transform: translateY(8px); transition: .3s;
}
.gcell:hover::after { opacity: 1; transform: none; }
.gcell.tall { grid-row: span 2; }
.gcell.wide { grid-column: span 2; }

/* ===========================================================
   FAQ ACCORDION
   =========================================================== */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  color: var(--ink); font-size: 1rem; font-weight: 600; padding: 1.15rem 1.2rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-q .ic { font-family: var(--mono); color: var(--amber); transition: transform .3s; flex-shrink: 0; }
.faq-item[open-state="true"] .faq-q .ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 1.2rem 1.2rem; color: var(--ink-2); font-size: .95rem; }

/* ===========================================================
   CONTACT
   =========================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; }
.contact-media { border-radius: var(--radius); overflow: hidden; position: relative; }
.contact-media img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.contact-info { position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1.2rem; padding: 1.2rem; border-radius: var(--radius-sm); background: rgba(10,12,16,.86); backdrop-filter: blur(8px); border: 1px solid var(--line-2); }
.contact-info dl { display: grid; gap: .6rem; }
.contact-info .row { display: flex; justify-content: space-between; gap: 1rem; font-size: .9rem; }
.contact-info dt { color: var(--ink-3); font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; }
.contact-info dd { color: var(--ink); text-align: right; }

.form { padding: 1.7rem; border-radius: var(--radius); background: var(--panel); }
.form .field { margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--ink-3); text-transform: uppercase; margin-bottom: .45rem; }
.form input, .form select, .form textarea {
  width: 100%; padding: .8rem .9rem; border-radius: var(--radius-sm);
  background: var(--bg-2); border: 1px solid var(--line-2); color: var(--ink);
  font-family: var(--sans); font-size: .95rem; transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--amber); }
.form textarea { resize: vertical; min-height: 120px; }
.form .consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .82rem; color: var(--ink-3); }
.form .consent input { width: auto; margin-top: .2rem; }
.form-note { font-family: var(--mono); font-size: .72rem; color: var(--ink-3); margin-top: .8rem; }
.form-status { margin-top: .9rem; font-size: .88rem; color: var(--green); min-height: 1.2em; }

/* ===========================================================
   FOOTER
   =========================================================== */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 3rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer p { color: var(--ink-3); font-size: .9rem; max-width: 38ch; }
.footer h5 { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 1rem; }
.footer ul { list-style: none; display: grid; gap: .55rem; }
.footer ul a, .footer ul li { color: var(--ink-3); font-size: .9rem; }
.footer ul a:hover { color: var(--amber); }
.footer-legal { border-top: 1px solid var(--line); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-family: var(--mono); font-size: .74rem; color: var(--ink-3); }
.footer-legal .ids { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* Marquee ticker */
.ticker { overflow: hidden; border-block: 1px solid var(--line); background: var(--panel); }
.ticker-track { display: flex; gap: 3rem; white-space: nowrap; padding: .8rem 0; animation: marquee 28s linear infinite; font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; color: var(--ink-3); }
.ticker-track span { display: inline-flex; gap: 3rem; }
.ticker-track b { color: var(--amber); font-weight: 400; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Legal pages */
.legal { padding: 3.5rem 0; }
.legal .wrap { max-width: 820px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .6rem; }
.legal .updated { font-family: var(--mono); font-size: .78rem; color: var(--ink-3); margin-bottom: 2.4rem; }
.legal h2 { font-size: 1.3rem; margin: 2.2rem 0 .8rem; color: var(--ink); }
.legal p, .legal li { color: var(--ink-2); margin-bottom: .8rem; }
.legal ul { padding-left: 1.3rem; margin-bottom: 1rem; }
.legal a { color: var(--cyan); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .tab-panel.active, .signal-detail, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .signal-steps { grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
  .signal-rail { display: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 1rem 6vw; gap: 1rem; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; }
  .gcell.wide { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .faders { grid-template-columns: repeat(6, 1fr); }
}