/* Yoro — marketing site
   Design language mirrors the app: AMOLED near-black, one emerald accent,
   sharp (0-radius) corners, system font for body, monospace for technical
   labels. No external requests (fonts, CDNs) — on brand for a privacy product.
   Single locked dark theme. Motion is restrained and reduced-motion-safe. */

/* ---- tokens ---------------------------------------------------------- */
:root {
  --bg: #050706;
  --bg-2: #080b09;
  --surface: #0d1210;
  --surface-2: #131916;
  --line: rgba(150, 205, 180, 0.10);
  --line-strong: rgba(150, 205, 180, 0.20);

  --text: #eef2f0;
  --text-2: #9aa8a1;
  --text-3: #6a756f;

  --accent: hsl(150 64% 52%);
  --accent-bright: hsl(150 72% 64%);
  --accent-dim: hsl(150 40% 26%);
  --accent-ink: #041108; /* text on the emerald CTA */
  --accent-wash: rgba(46, 209, 128, 0.08);

  --cloud: #d9932a; /* the app's "cloud" status hue, used sparingly */

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;

  --container: clamp(320px, 94vw, 1680px);
  --pad: clamp(20px, 3vw, 48px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 320ms;
}

/* ---- reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* full-bleed ambient texture so wide viewports never read as empty —
   sits behind in-flow content, but under sections with their own opaque bg */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px circle at 10% -8%, rgba(46, 209, 128, 0.07), transparent 60%),
    radial-gradient(760px circle at 100% 26%, rgba(46, 209, 128, 0.045), transparent 55%),
    repeating-linear-gradient(90deg, rgba(150, 205, 180, 0.035) 0 1px, transparent 1px 96px);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; }
::selection { background: var(--accent); color: var(--accent-ink); }

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

/* ---- layout ---------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

section { padding-block: clamp(56px, 7vw, 96px); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

h1, h2, h3 { font-weight: 620; letter-spacing: -0.02em; line-height: 1.05; }
h2 { font-size: clamp(28px, 4.4vw, 46px); }
h3 { font-size: clamp(19px, 2.2vw, 23px); letter-spacing: -0.01em; line-height: 1.2; }

.lead { color: var(--text-2); font-size: clamp(17px, 2vw, 19px); max-width: 60ch; }
.section-head { max-width: 62ch; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head p { color: var(--text-2); margin-top: 16px; }

/* ---- buttons --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 560;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-bright); }

.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { padding: 15px 26px; font-size: 16px; }

/* ---- nav ------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-2); font-size: 15px; transition: color var(--dur) var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 14px; }

.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 640; letter-spacing: -0.02em; font-size: 19px; }
.brand .logo-mark { width: 21px; height: 21px; color: var(--accent); flex: none; filter: drop-shadow(0 0 6px rgba(46, 209, 128, 0.55)); }

.menu-btn { display: none; background: none; border: 1px solid var(--line-strong); padding: 8px 10px; color: var(--text); }

/* ---- hero ------------------------------------------------------------ */
.hero { position: relative; padding-top: clamp(56px, 9vw, 92px); overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  perspective: 1400px;
}
.hero h1 {
  font-size: clamp(38px, 6.4vw, 68px);
  letter-spacing: -0.035em;
}
.hero h1 .accent { color: var(--accent); }
.hero .lead { margin-top: 22px; font-size: clamp(17px, 2.1vw, 20px); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { margin-top: 20px; font-family: var(--mono); font-size: 12.5px; color: var(--text-3); letter-spacing: 0.01em; }

/* ambient emerald glow behind hero */
.hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: 60vw;
  height: 60vw;
  max-width: 760px;
  max-height: 760px;
  background: radial-gradient(circle, rgba(46, 209, 128, 0.14) 0%, rgba(46, 209, 128, 0) 68%);
  pointer-events: none;
  z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }

/* hero brand visual: an honest, decorative "listening" waveform (not a
   screenshot of the app). Represents real-time speech, the core function. */
.visual {
  position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(46, 209, 128, 0.04), transparent 40%),
    var(--surface);
  padding: 28px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.visual .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  border: 1px solid var(--line);
  padding: 6px 10px;
  align-self: flex-start;
}
.visual .chip .live { width: 8px; height: 8px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.wave { display: flex; align-items: flex-end; gap: 4px; height: 108px; margin: 26px 0; }
.wave span {
  flex: 1;
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  height: 20%;
  transform-origin: bottom;
}
.visual .caption { font-family: var(--mono); font-size: 13px; color: var(--text-2); line-height: 1.7; }
.visual .caption b { color: var(--text); font-weight: 560; }
.visual .caption .you { color: var(--accent); }

@media (prefers-reduced-motion: no-preference) {
  .wave span { animation: bar 1.4s var(--ease) infinite; }
}
@keyframes bar {
  0%, 100% { height: 18%; }
  50% { height: var(--h, 60%); }
}

/* ---- trust strip ----------------------------------------------------- */
.trust { border-block: 1px solid var(--line); background: var(--bg-2); }
.trust .wrap { display: flex; flex-wrap: wrap; gap: 14px 40px; align-items: center; justify-content: space-between; padding-block: 22px; }
.trust p { font-family: var(--mono); font-size: 13px; color: var(--text-3); letter-spacing: 0.02em; }
.trust ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 26px; }
.trust li { font-family: var(--mono); font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.trust li::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 999px; }

/* ---- feature bento --------------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 30px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.card:hover { border-color: var(--line-strong); background: var(--surface-2); }
.card > * { position: relative; z-index: 1; }
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(200px circle at var(--mx, -300px) var(--my, -300px), rgba(46, 209, 132, 0.10), transparent 62%);
  opacity: 0; transition: opacity 300ms var(--ease);
}
.card:hover::after { opacity: 1; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 15.5px; }
.card .k {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.card.wide { grid-column: span 3; }
.card.third { grid-column: span 2; }
.card.half { grid-column: span 3; }
.card.feature-lead { grid-column: span 6; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; background: linear-gradient(180deg, var(--accent-wash), transparent 60%), var(--surface); }
.card.feature-lead .mini-wave { display: flex; align-items: flex-end; gap: 5px; height: 120px; }
.card.feature-lead .mini-wave span { flex: 1; background: linear-gradient(180deg, var(--accent), var(--accent-dim)); }

/* ---- split rows (how / privacy) ------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.split.rev .visual-col { order: -1; }
.stat-row { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 28px; }
.stat b { font-family: var(--mono); font-size: clamp(26px, 3.4vw, 34px); color: var(--accent); font-weight: 560; letter-spacing: -0.01em; }
.stat span { display: block; color: var(--text-2); font-size: 14px; margin-top: 4px; }

.panel { border: 1px solid var(--line); background: var(--surface); padding: 30px; }
.panel .row { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.panel .row:last-child { border-bottom: 0; }
.panel .row .tick { color: var(--accent); font-family: var(--mono); font-weight: 700; flex: none; margin-top: 2px; }
.panel .row div b { display: block; font-weight: 560; }
.panel .row div span { color: var(--text-2); font-size: 14.5px; }

/* ---- how-it-works steps --------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step { border-top: 2px solid var(--accent-dim); padding-top: 22px; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: 13px; color: var(--accent); }
.step h3 { margin: 12px 0 8px; }
.step p { color: var(--text-2); font-size: 15px; }

/* ---- honest-use callout --------------------------------------------- */
.callout {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--accent-wash), transparent 50%), var(--surface);
  padding: clamp(30px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.callout h2 { max-width: 18ch; }
.callout p { color: var(--text-2); margin-top: 18px; max-width: 54ch; }
.commitments { list-style: none; padding: 0; display: grid; gap: 2px; }
.commitments li {
  display: flex; align-items: flex-start; gap: 12px;
  color: var(--text-2); font-size: 15px; line-height: 1.5;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.commitments li:last-child { border-bottom: 0; }
.commitments li::before { font-family: var(--mono); font-weight: 700; flex: none; line-height: 1.5; }
.commitments .no::before { content: "✕"; color: var(--text-3); }
.commitments .yes::before { content: "✓"; color: var(--accent); }
.commitments .yes { color: var(--text); }
@media (max-width: 900px) { .callout { grid-template-columns: 1fr; } }

/* ---- pricing --------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: clamp(26px, 3vw, 38px);
  display: flex;
  flex-direction: column;
  text-align: center;
}
.plan.featured { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-wash), transparent 55%), var(--surface); }
.plan .tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.plan .amt { font-size: clamp(34px, 5vw, 46px); font-weight: 640; letter-spacing: -0.03em; margin: 12px 0 4px; }
.plan .amt small { font-size: 15px; color: var(--text-2); font-weight: 400; letter-spacing: 0; }
.plan .intl { font-family: var(--mono); font-size: 12px; color: var(--text-3); margin-bottom: 16px; }
.plan .sub { color: var(--text-2); font-size: 14.5px; margin-bottom: 26px; min-height: 42px; }
.plan .btn { width: 100%; justify-content: center; margin-top: auto; }
.plan .badge {
  position: absolute; top: -1px; right: -1px;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 10px;
}
.plan-includes { list-style: none; padding: 0; margin: 34px auto 0; max-width: 660px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; }
.plan-includes li { color: var(--text-2); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.plan-includes li::before { content: "✓"; color: var(--accent); font-weight: 700; }
@media (max-width: 820px) { .plans { grid-template-columns: 1fr; } .plan .sub { min-height: 0; } }

/* ---- faq ------------------------------------------------------------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-weight: 560; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { color: var(--accent); font-family: var(--mono); transition: transform var(--dur) var(--ease); flex: none; }
.faq details[open] summary .plus { transform: rotate(45deg); }
.faq details p { color: var(--text-2); padding: 0 0 24px; max-width: 68ch; }

/* ---- final cta ------------------------------------------------------- */
.final { text-align: center; border-top: 1px solid var(--line); }
.final h2 { max-width: 18ch; margin-inline: auto; }
.final p { color: var(--text-2); margin: 18px auto 32px; max-width: 54ch; }
.final .hero-cta { justify-content: center; }

/* ---- footer ---------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding-block: 56px; }
.footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer .col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; }
.footer .col a { display: block; color: var(--text-2); font-size: 15px; padding: 5px 0; transition: color var(--dur) var(--ease); }
.footer .col a:hover { color: var(--accent); }
.footer .about p { color: var(--text-2); font-size: 14.5px; margin: 14px 0; max-width: 34ch; }
.footer .legal { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.footer .legal p { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); }

/* ---- legal (policy pages) ------------------------------------------- */
.doc { max-width: 780px; margin-inline: auto; padding-block: clamp(48px, 8vw, 96px); }
.doc .back { font-family: var(--mono); font-size: 13px; color: var(--text-2); display: inline-flex; gap: 8px; margin-bottom: 32px; }
.doc .back:hover { color: var(--accent); }
.doc h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -0.03em; }
.doc .meta { font-family: var(--mono); font-size: 13px; color: var(--text-3); margin-top: 10px; }
.doc h2 { font-size: clamp(20px, 3vw, 26px); margin-top: 44px; }
.doc h3 { margin-top: 28px; }
.doc p, .doc li { color: var(--text-2); margin-top: 14px; }
.doc ul { padding-left: 22px; }
.doc li { margin-top: 8px; }
.doc a { color: var(--accent); }
.doc strong { color: var(--text); font-weight: 560; }
.doc .note { border: 1px solid var(--line); background: var(--surface); padding: 18px 20px; margin-top: 24px; font-size: 14.5px; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 14.5px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.doc th { color: var(--text); font-weight: 560; background: var(--surface); }
.doc code { font-family: var(--mono); font-size: 13px; color: var(--accent); }

/* ---- craft: film grain, 3D tilt, cursor spotlight ------------------- */
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wave-canvas { width: 100%; height: 128px; display: block; }

.visual.tilt {
  overflow: hidden;
  transform: rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg));
  transform-style: preserve-3d;
  transition: transform 260ms var(--ease);
  will-change: transform;
}
.visual.tilt > * { position: relative; z-index: 1; }
.visual.tilt::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(360px circle at var(--mx, 72%) var(--my, 8%), rgba(46, 209, 132, 0.16), transparent 60%);
  opacity: 0; transition: opacity 320ms var(--ease);
}
.visual.tilt:hover::after { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .visual.tilt { transform: none !important; } }

/* ---- reveal animation ------------------------------------------------
   Gated on .reveal-ready (added by JS only when motion is allowed), so the
   page is fully visible without JS, with JS off, or under reduced motion. */
.reveal-ready .reveal { opacity: 0; transform: translateY(22px); }
.reveal-ready .reveal.in { opacity: 1; transform: none; transition: opacity 720ms var(--ease), transform 720ms var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .wave span { animation: none; }
}

/* ---- responsive ------------------------------------------------------ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .visual { order: -1; min-height: 240px; }
  .split { grid-template-columns: 1fr; }
  .split.rev .visual-col { order: 0; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card.wide, .card.third, .card.half { grid-column: span 2; }
  .card.feature-lead { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer .wrap { grid-template-columns: 1fr 1fr; }
  .footer .about { grid-column: span 2; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .nav-links.open {
    display: flex; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 16px var(--pad) 24px;
  }
  .nav-links.open a { padding: 8px 0; font-size: 17px; }
  .bento { grid-template-columns: 1fr; }
  .card.wide, .card.third, .card.half { grid-column: span 1; }
  .trust .wrap { flex-direction: column; align-items: flex-start; }
  .stat-row { gap: 24px; }
}