/* Deep Listen marketing page. Same tokens as the app: one signal-orange accent, Geist, dark first. */
@font-face { font-family: "Geist"; src: url("/fonts/geist-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/geist-mono-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #0e0e11;
  --bg-2: #141418;
  --surface: #18181d;
  --surface-2: #212128;
  --line: rgb(255 255 255 / 0.08);
  --line-2: rgb(255 255 255 / 0.14);
  --text: #ededf1;
  --text-2: #a6a6b1;
  --text-3: #8a8a95;
  --accent: #e77840;
  --accent-ink: #1a0d06;
  --accent-soft: rgb(231 120 64 / 0.14);
  --glow: rgb(231 120 64 / 0.22);
  --phone-shadow: 0 40px 80px rgb(0 0 0 / 0.5), 0 0 0 1px rgb(255 255 255 / 0.08);
  --r: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3f3f5;
    --bg-2: #ebebef;
    --surface: #fbfbfc;
    --surface-2: #e4e4ea;
    --line: rgb(15 15 20 / 0.08);
    --line-2: rgb(15 15 20 / 0.15);
    --text: #121216;
    --text-2: #4f4f59;
    --text-3: #63636d;
    --accent: #b14c18;
    --accent-ink: #fff7f2;
    --accent-soft: rgb(177 76 24 / 0.1);
    --glow: rgb(177 76 24 / 0.16);
    --phone-shadow: 0 40px 70px rgb(40 30 25 / 0.22), 0 0 0 1px rgb(15 15 20 / 0.1);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.03em; font-weight: 640; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

/* ---------------------------------------------------------- nav (z 10) */
.nav {
  position: sticky; top: 0; z-index: 10;
  height: 68px; padding: 0 max(20px, calc((100vw - 1240px) / 2));
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
  background: rgb(from var(--bg) r g b / 0.82);
  backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-size: 18px; letter-spacing: -0.02em; color: var(--text-2); }
.brand b { color: var(--text); font-weight: 620; }
.mark { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--accent); box-shadow: inset 0 0 0 3px var(--bg), inset 0 0 0 10px var(--accent); }
.links { display: flex; gap: 28px; justify-self: center; }
.links a { text-decoration: none; color: var(--text-2); font-size: 15px; transition: color 200ms var(--ease); }
.links a:hover { color: var(--text); }

/* ---------------------------------------------------------- buttons, one pill system */
.btn {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  height: 52px; padding: 0 22px; border-radius: 999px;
  font: 600 16px/1 var(--font); text-decoration: none;
  transition: transform 200ms var(--ease), background-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.btn i { font-size: 19px; }
.btn:active { transform: scale(0.97); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-sm i { font-size: 16px; }
.btn-accent { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 30px var(--glow); }
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 14px 36px var(--glow); }
.btn-ghost { background: var(--surface); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost:hover { background: var(--surface-2); }

/* ---------------------------------------------------------- hero: copy left, two phones right */
.hero {
  max-width: 1240px; margin: 0 auto; padding: 72px 20px 40px;
  min-height: min(calc(100dvh - 68px), 860px);
  display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 32px;
}
.hero h1 { font-size: clamp(38px, 4.6vw, 64px); line-height: 1.04; letter-spacing: -0.045em; }
.lede { margin-top: 22px; max-width: 30ch; font-size: clamp(18px, 1.6vw, 21px); color: var(--text-2); line-height: 1.5; }
.ctas { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-art { position: relative; height: min(640px, 78dvh); }
.hero-art::before {
  content: ""; position: absolute; inset: 8% 4% 4% 12%; border-radius: 50%;
  background: radial-gradient(closest-side, var(--glow), transparent 70%); filter: blur(10px);
}
.phone { margin: 0; position: absolute; border-radius: 34px; overflow: hidden; background: #0e0e11; box-shadow: var(--phone-shadow); }
.phone img { width: 100%; }
.phone-front { width: min(300px, 46%); right: 22%; top: 0; z-index: 1; }
.phone-back { width: min(270px, 41%); right: 0; top: 14%; opacity: 0.55; transform: rotate(6deg); }

/* ---------------------------------------------------------- readout band */
.readout { max-width: 1240px; margin: 0 auto; padding: 40px 20px 96px; }
.readout-label { color: var(--text-3); font-size: 14px; margin-bottom: 18px; }
.readout dl { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-2); }
.readout dl > div { padding: 22px 20px 0 0; }
.readout dl > div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.readout dt { color: var(--text-2); font-size: 14px; }
.readout dd { margin: 6px 0 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.num { font: 500 clamp(36px, 4.6vw, 60px)/1 var(--mono); letter-spacing: -0.04em; }
.readout dd small { font: 500 15px/1.2 var(--mono); color: var(--text-3); }
.readout dl > div:first-child .num { color: var(--accent); }

/* ---------------------------------------------------------- mix: phone left, copy right */
.mix { max-width: 1240px; margin: 0 auto; padding: 72px 20px 120px; display: grid; grid-template-columns: 0.8fr 1fr; gap: 72px; align-items: center; }
.phone-solo { position: relative; width: min(340px, 100%); justify-self: center; }
.eyebrow { font: 500 13px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.mix h2, .inside h2, .faq h2 { font-size: clamp(32px, 3.6vw, 48px); line-height: 1.08; max-width: 18ch; }
.mix-copy > p:not(.eyebrow) { margin-top: 20px; color: var(--text-2); font-size: 18px; max-width: 52ch; }
.points { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 22px; }
.points li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.points i { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: var(--accent-soft); color: var(--accent); }
.points b { display: block; font-weight: 600; font-size: 17px; }
.points span { color: var(--text-2); font-size: 15.5px; }

/* ---------------------------------------------------------- inside: bento, 5 cells */
.inside { background: var(--bg-2); border-block: 1px solid var(--line); }
.inside > h2 { max-width: 1240px; margin: 0 auto; padding: 104px 20px 44px; }
.bento {
  max-width: 1240px; margin: 0 auto; padding: 0 20px 104px;
  display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: minmax(220px, auto); gap: 16px;
}
.cell { position: relative; overflow: hidden; border-radius: var(--r); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.cell h3 { font-size: 22px; line-height: 1.2; }
.cell p { color: var(--text-2); font-size: 15.5px; max-width: 40ch; }
.cell .big { font-size: 40px; color: var(--accent); margin-bottom: auto; }
.cell-wheel { grid-column: span 3; grid-row: span 2; padding-bottom: 0; }
.cell-wheel img { margin: auto 0; width: 100%; padding: 8px 0 20px; }
.cell-hearing { grid-column: span 3; grid-row: span 2; }
.cell-hearing img { width: calc(100% + 56px); margin: -4px -28px 6px; mask-image: linear-gradient(to bottom, #000 70%, transparent); -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent); }
.cell-blend { grid-column: span 2; background: radial-gradient(120% 90% at 100% 0%, var(--glow), transparent 60%), var(--surface); }
.cell-links { grid-column: span 2; }
.cell-lists { grid-column: span 2; background: linear-gradient(160deg, var(--accent-soft), transparent 55%), var(--surface); }
.logos { list-style: none; margin: auto 0 0; padding: 18px 0 0; display: flex; gap: 22px; }
.logos img { width: 28px; height: 28px; opacity: 0.9; }

/* ---------------------------------------------------------- faq */
.faq { max-width: 1240px; margin: 0 auto; padding: 112px 20px 96px; display: grid; grid-template-columns: 0.7fr 1fr; gap: 64px; align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line-2); }
.faq-list details:first-child { border-top: 1px solid var(--line-2); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; font-size: 18px; font-weight: 560; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i { color: var(--text-3); transition: transform 240ms var(--ease); }
.faq-list details[open] summary i { transform: rotate(180deg); }
.faq-list details p { color: var(--text-2); padding: 0 0 24px; max-width: 62ch; }
.faq-list a { color: var(--accent); }

/* ---------------------------------------------------------- final call */
.final { max-width: 1240px; margin: 0 auto; padding: 72px 20px 120px; }
.final h2 { font-size: clamp(30px, 3.6vw, 50px); line-height: 1.1; max-width: 24ch; }

.foot { max-width: 1240px; margin: 0 auto; padding: 28px 20px 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); color: var(--text-3); font-size: 14px; }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot a { text-decoration: none; color: var(--text-2); }
.foot a:hover { color: var(--text); }

/* ---------------------------------------------------------- reveal on scroll (main.js adds .in) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
  .js .reveal.in { opacity: 1; transform: none; }
  .js .hero-art .phone { opacity: 0; transition: opacity 900ms var(--ease), transform 900ms var(--ease); }
  .js .hero-art .phone-front { transform: translateY(40px); }
  .js .hero-art .phone-back { transform: translateY(60px) rotate(10deg); }
  .js .hero-art.in .phone-front { opacity: 1; transform: none; }
  .js .hero-art.in .phone-back { opacity: 0.55; transform: rotate(6deg); transition-delay: 120ms; }
}

/* ---------------------------------------------------------- tablet and phone */
@media (max-width: 960px) {
  .links { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 48px; gap: 24px; }
  .hero-art { height: 520px; }
  .phone-front { right: auto; left: 8%; width: 250px; }
  .phone-back { width: 220px; right: 6%; }
  .mix { grid-template-columns: 1fr; gap: 48px; padding-bottom: 96px; }
  .mix-copy { order: -1; }
  .faq { grid-template-columns: 1fr; gap: 28px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .cell-wheel, .cell-hearing { grid-column: span 2; grid-row: auto; }
  .cell-blend, .cell-links { grid-column: span 1; }
  .cell-lists { grid-column: span 2; }
}
@media (max-width: 640px) {
  .nav { padding: 0 16px; gap: 12px; }
  .btn-sm span { display: none; }
  .btn-sm { width: 40px; padding: 0; justify-content: center; }
  .hero, .readout, .mix, .faq, .final, .foot { padding-left: 16px; padding-right: 16px; }
  .ctas .btn { flex: 1 1 100%; justify-content: center; }
  .hero-art { height: 440px; }
  .phone-front { width: 210px; left: 4%; }
  .phone-back { width: 180px; right: 2%; }
  .readout dl { grid-template-columns: 1fr 1fr; }
  .readout dl > div { padding: 20px 12px 18px 0; }
  .readout dl > div + div { padding-left: 0; border-left: 0; }
  .readout dl > div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
  .readout dl > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .inside > h2 { padding: 80px 16px 32px; }
  .bento { grid-template-columns: 1fr; padding: 0 16px 80px; }
  .cell-wheel, .cell-hearing, .cell-blend, .cell-links, .cell-lists { grid-column: auto; }
}