@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --paper: #faf9f6;
  --paper-deep: #f2f1eb;
  --ink: #17211f;
  --muted: #64716d;
  --line: #e5e7e0;
  --teal: #087f73;
  --teal-bright: #15a99b;
  --teal-pale: #e8f5f1;
  --warm: #f2eee3;
  --display: 'Inter', sans-serif;
  --mono: 'DM Mono', monospace;
  --shadow: 0 20px 60px rgba(30, 59, 53, .08), 0 2px 8px rgba(30, 59, 53, .04);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background:
    radial-gradient(ellipse at 17% 9%, rgba(21,169,155,.07), transparent 27rem),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(43,96,84,.018) 48px 49px);
}
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 3px solid rgba(8,127,115,.45);
  outline-offset: 3px;
}
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.section { padding: 112px 0; }
.section-heading { max-width: 670px; margin-bottom: 44px; }
.section-heading h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.06;
  letter-spacing: -.065em;
  font-weight: 600;
}
.section-heading p:not(.eyebrow) { margin: 20px 0 0; max-width: 540px; color: var(--muted); font-size: 17px; }
.button {
  min-height: 48px;
  padding: 12px 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
  cursor: pointer;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--teal); box-shadow: 0 5px 14px rgba(8,127,115,.15); }
.button-primary:hover { background: #066e64; }
.button-secondary { background: rgba(255,255,255,.65); border-color: var(--line); }
.button-secondary:hover { border-color: #b8d9d2; background: #fff; }
.button[aria-disabled="true"], button:disabled { cursor: not-allowed; opacity: .5; transform: none; }

/* Header */
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(250,249,246,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229,231,224,.8);
}
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: -.04em; }
.brand-mark { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 31px; color: #4d5c57; font-size: 13px; font-weight: 500; }
.nav-links a:hover, .footer-links a:hover { color: var(--teal); }
.nav-actions { display: flex; align-items: center; gap: 17px; font-size: 13px; font-weight: 600; }
.nav-actions .button { min-height: 41px; padding: 9px 15px; border-radius: 10px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: transparent; }
.menu-toggle span { display: block; width: 17px; height: 1.5px; margin: 4px auto; background: var(--ink); }

/* Hero */
.hero { padding: 74px 0 84px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(44px, 8vw, 100px); }
.hero-copy { position: relative; z-index: 1; }
.hero h1 { max-width: 620px; margin: 0; font-size: clamp(56px, 8vw, 92px); font-weight: 600; line-height: .99; letter-spacing: -.085em; }
.hero h1 span { color: var(--teal); }
.hero-subtitle { max-width: 480px; margin: 26px 0 29px; color: #52615c; font-size: clamp(17px, 2vw, 20px); line-height: 1.55; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { display: flex; align-items: center; gap: 9px; margin: 22px 0 0; color: var(--muted); font-size: 12px; }
.hero-note svg { flex: none; color: var(--teal); }
.hero-card {
  position: relative;
  min-height: 478px;
  padding: 25px;
  overflow: hidden;
  border: 1px solid #e5e8e1;
  border-radius: 25px;
  background: rgba(255,255,255,.8);
  box-shadow: var(--shadow);
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .23;
  background: url("data:image/svg+xml,%3Csvg width='500' height='180' viewBox='0 0 500 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 90h78l10-20 12 40 14-67 13 96 15-80 12 54 12-23h88l11-15 10 30 13-52 14 72 13-58 13 39 12-16h74' fill='none' stroke='%2315a99b' stroke-width='2'/%3E%3C/svg%3E") center 78px / 100% auto no-repeat;
}
.card-top, .demo-tabs, .demo-panel, .demo-summary { position: relative; z-index: 1; }
.card-top { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; }
.live-dot { width: 7px; height: 7px; display: inline-block; margin-right: 7px; border-radius: 50%; background: var(--teal-bright); }
.demo-tabs { display: inline-flex; padding: 4px; margin-top: 24px; border: 1px solid var(--line); border-radius: 11px; background: rgba(250,249,246,.9); }
.tab-button { border: 0; border-radius: 8px; padding: 9px 13px; background: transparent; color: #61706a; font-size: 12px; font-weight: 600; cursor: pointer; }
.tab-button[aria-selected="true"] { color: var(--ink); background: #fff; box-shadow: 0 2px 7px rgba(24,45,39,.09); }
.wave-wrap { height: 110px; display: flex; align-items: center; justify-content: center; }
.wave { display: flex; align-items: center; justify-content: center; gap: 4px; width: 100%; height: 54px; opacity: .8; }
.wave i { display: block; width: 3px; border-radius: 5px; background: #7dcfc2; }
.wave i:nth-child(7n + 1) { height: 12px; }.wave i:nth-child(7n + 2) { height: 23px; }
.wave i:nth-child(7n + 3) { height: 35px; }.wave i:nth-child(7n + 4) { height: 21px; }
.wave i:nth-child(7n + 5) { height: 44px; }.wave i:nth-child(7n + 6) { height: 28px; }.wave i:nth-child(7n) { height: 16px; }
.demo-panel { padding: 17px 17px 12px; border: 1px solid #e9ebe5; border-radius: 15px; background: rgba(250,249,246,.87); }
.panel-label { margin: 0 0 12px; color: #77817d; font-size: 10px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.dialogue { display: grid; gap: 10px; }
.line { display: flex; align-items: flex-start; gap: 9px; font-size: 12px; line-height: 1.5; }
.line strong { flex: none; color: var(--teal); font-weight: 600; }
.line span { color: #44524d; }
.demo-summary { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 16px 2px 0; }
.summary-copy { display: flex; align-items: center; gap: 10px; min-width: 0; }
.summary-icon { width: 33px; height: 33px; display: grid; flex: none; place-items: center; border-radius: 10px; color: var(--teal); background: var(--teal-pale); }
.summary-copy b { display: block; font-size: 12px; }
.summary-copy small { display: block; color: var(--muted); font-size: 10px; }
.demo-unavailable { max-width: 145px; color: #75817d; text-align: right; font-size: 10px; line-height: 1.4; }

/* Steps */
.steps-section { background: #f2f3ed; border-block: 1px solid #e9ebe4; }
.steps-grid { display: grid; grid-template-columns: 1.05fr 1.95fr; gap: 70px; align-items: start; }
.steps-grid .section-heading { margin: 0; }
.step-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.step { min-height: 205px; padding: 21px 19px; border: 1px solid #e1e5dc; border-radius: 17px; background: rgba(250,249,246,.76); }
.step-num { display: block; margin-bottom: 31px; color: var(--teal); font-family: var(--mono); font-size: 12px; }
.step h3 { margin: 0 0 8px; font-size: 15px; line-height: 1.35; letter-spacing: -.025em; }
.step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

/* Listening / voice */
.listen-section { padding-top: 120px; }
.listen-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 25px; align-items: stretch; }
.listen-controls, .listen-preview { border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.78); box-shadow: 0 10px 35px rgba(30,59,53,.04); }
.listen-controls { padding: 27px; }
.listen-controls h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -.04em; }
.listen-controls > p { margin: 0 0 21px; color: var(--muted); font-size: 13px; }
.voice-filters { display: flex; gap: 8px; margin-bottom: 16px; }
.filter-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; color: #52615c; background: #fff; font-size: 12px; cursor: pointer; }
.filter-button[aria-pressed="true"] { color: var(--teal); border-color: #add8d0; background: var(--teal-pale); }
.voice-list { display: grid; gap: 8px; }
.voice-option { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; padding: 13px 14px; border: 1px solid #e8eae5; border-radius: 12px; }
.voice-option b { display: block; font-size: 13px; }
.voice-option small { color: var(--muted); font-size: 11px; }
.voice-option button { padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #f7f7f3; color: #84908b; font-size: 10px; cursor: not-allowed; }
.empty-voice { padding: 15px; border-radius: 11px; color: #64716d; background: #f5f5f0; font-size: 12px; }
.listen-preview { display: flex; flex-direction: column; padding: 27px; }
.listen-preview-header { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.listen-preview h3 { margin: 0; font-size: 18px; letter-spacing: -.04em; }
.audio-status { color: #74807c; font-size: 10px; text-align: right; }
.preview-wave { display: flex; align-items: center; justify-content: center; gap: 4px; min-height: 74px; margin: 19px 0; border-block: 1px solid #eef0eb; }
.preview-wave i { width: 3px; border-radius: 4px; background: #a8dcd3; }
.preview-wave i:nth-child(3n) { height: 25px; }.preview-wave i:nth-child(3n + 1) { height: 40px; }.preview-wave i:nth-child(3n + 2) { height: 15px; }
.listen-preview .dialogue { margin-bottom: 18px; }
.summary-box { margin-top: auto; padding: 15px 16px; border-radius: 12px; background: #f1f5ef; }
.summary-box h4 { margin: 0 0 4px; font-size: 11px; }
.summary-box p { margin: 0; color: #59655f; font-size: 12px; }
.details-note { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 13px; }
.details-note summary { color: #59655f; font-size: 12px; cursor: pointer; }
.details-note p { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

/* Capabilities and boundaries */
.value-section { padding-top: 48px; }
.value-band { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; padding: 42px 48px; border: 1px solid #dfe9e1; border-radius: 22px; background: linear-gradient(115deg, #edf5ed, #f6f4e9); }
.value-band h2 { margin: 0; max-width: 500px; font-size: clamp(30px, 4vw, 43px); line-height: 1.1; letter-spacing: -.065em; font-weight: 600; }
.value-band > div > p { color: #5c6962; font-size: 14px; }
.value-points { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.value-point { min-height: 87px; padding: 15px; border: 1px solid rgba(208,220,208,.8); border-radius: 13px; background: rgba(255,255,255,.53); }
.value-point b { display: block; margin-bottom: 4px; font-size: 12px; }
.value-point span { color: #66726d; font-size: 11px; line-height: 1.4; }

/* FAQ */
.faq-section { padding-top: 90px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 20px 34px 20px 0; list-style: none; font-size: 15px; font-weight: 600; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 17px; color: var(--teal); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 640px; margin: -3px 35px 20px 0; color: var(--muted); font-size: 13px; }

/* CTA and footer */
.closing { padding: 46px 0 100px; }
.closing-card { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 44px 48px; border-radius: 23px; color: white; background: #176f66; }
.closing-card::after { content: ""; position: absolute; width: 360px; height: 180px; right: 15%; top: -50px; opacity: .19; background: url("data:image/svg+xml,%3Csvg width='360' height='180' viewBox='0 0 360 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 90h45l8-17 8 34 11-66 12 93 12-76 10 48 10-16h42l9-25 9 50 12-80 13 100 13-71 12 48 10-22h67' fill='none' stroke='white' stroke-width='2'/%3E%3C/svg%3E") center/contain no-repeat; pointer-events: none; }
.closing-card > * { position: relative; z-index: 1; }
.closing-card h2 { max-width: 520px; margin: 0; font-size: clamp(30px, 4vw, 45px); line-height: 1.1; letter-spacing: -.06em; }
.closing-card p { margin: 10px 0 0; color: rgba(255,255,255,.76); font-size: 13px; }
.closing-card .button { flex: none; color: var(--ink); background: #fff; }
.site-footer { padding: 28px 0 32px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 700; }
.footer-brand .brand-mark { width: 27px; height: 27px; }
.footer-links { display: flex; gap: 22px; color: #59655f; font-size: 12px; }
.footer-copy { color: #86908a; font-size: 10px; }

/* Supporting screens and guided start */
.subpage { min-height: calc(100dvh - 76px); padding: 72px 0 100px; }
.subpage-wrap { width: min(760px, calc(100% - 48px)); margin: 0 auto; }
.subpage h1 { margin: 0; font-size: clamp(42px, 7vw, 68px); line-height: 1; letter-spacing: -.075em; font-weight: 600; }
.subpage-intro { max-width: 620px; margin: 19px 0 34px; color: var(--muted); font-size: 17px; }
.notice-card, .start-card { padding: 27px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.77); box-shadow: 0 12px 35px rgba(30,59,53,.05); }
.notice-card h2, .start-card h2 { margin: 0 0 8px; font-size: 19px; letter-spacing: -.035em; }
.notice-card p, .start-card p { color: #61706a; font-size: 14px; }
.notice-card .button { margin-top: 12px; }
.start-step-label { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; color: var(--teal); font-family: var(--mono); font-size: 11px; }
.progress-track { height: 4px; margin: 20px 0 24px; overflow: hidden; border-radius: 10px; background: #ebeee8; }
.progress-track span { display: block; height: 100%; border-radius: inherit; background: var(--teal-bright); transition: width .2s ease; }
.start-card h2 { font-size: 24px; }
.start-step-body { min-height: 120px; }
.start-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 25px; }
.start-actions .button:disabled { opacity: .4; }
.step-links { display: grid; gap: 9px; margin: 20px 0; }
.step-link { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 15px; border: 1px solid var(--line); border-radius: 12px; background: #fbfbf8; }
.step-link strong { font-size: 13px; }
.step-link small { display: block; color: var(--muted); font-size: 11px; }
.step-link .button { min-height: 38px; padding: 8px 12px; font-size: 11px; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 0; list-style: none; }
.checklist li { padding: 11px 12px; border: 1px solid #e9ebe5; border-radius: 10px; color: #53605a; font-size: 12px; }
.checklist li::before { content: "•"; margin-right: 9px; color: var(--teal); }
.status-label { display: inline-flex; margin-bottom: 10px; padding: 5px 9px; border-radius: 100px; color: #79633a; background: #f6f0df; font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.copy-row { display: flex; align-items: center; gap: 10px; margin: 17px 0; }
.copy-row code { flex: 1; overflow-wrap: anywhere; padding: 12px; border: 1px solid var(--line); border-radius: 9px; color: #40504a; background: #f7f8f4; font-family: var(--mono); font-size: 11px; }
.copy-feedback { min-height: 20px; color: var(--teal); font-size: 12px; }
.support-pending { padding: 17px 18px; border-left: 3px solid #d9ad58; border-radius: 0 10px 10px 0; color: #65604f; background: #f5f1e6; font-size: 13px; }
.home-link { display: inline-flex; margin-top: 26px; color: var(--teal); font-size: 13px; font-weight: 600; }
.home-link:hover { text-decoration: underline; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr .9fr; gap: 35px; }
  .hero h1 { font-size: clamp(55px, 7vw, 72px); }
  .hero-card { min-height: 455px; padding: 21px; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid .section-heading { max-width: 570px; }
  .faq-layout { gap: 45px; }
}
@media (max-width: 700px) {
  .wrap { width: min(100% - 36px, 560px); }
  .header-inner { height: 66px; }
  .menu-toggle { display: block; order: 3; }
  .nav-links {
    display: none;
    position: absolute; left: 0; right: 0; top: 65px;
    padding: 10px 20px 17px; border-bottom: 1px solid var(--line);
    background: var(--paper); flex-direction: column; align-items: stretch; gap: 0;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 11px 2px; }
  .nav-actions { margin-left: auto; margin-right: 11px; gap: 12px; font-size: 12px; }
  .nav-actions .button { min-height: 38px; padding: 8px 11px; }
  .hero { padding: 54px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { max-width: 480px; font-size: clamp(58px, 13vw, 82px); }
  .hero-subtitle { margin: 20px 0 24px; font-size: 17px; }
  .hero-card { max-width: 520px; min-height: 452px; margin: 0 auto; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 29px; }
  .section-heading h2 { font-size: 43px; }
  .step-list { grid-template-columns: 1fr; }
  .step { min-height: 0; padding: 17px 19px; }
  .step-num { margin-bottom: 15px; }
  .listen-layout, .faq-layout { grid-template-columns: 1fr; gap: 15px; }
  .listen-controls, .listen-preview { padding: 21px; }
  .value-band { grid-template-columns: 1fr; gap: 22px; padding: 28px 23px; }
  .value-points { gap: 8px; }
  .value-point { padding: 12px; }
  .faq-layout { gap: 25px; }
  .closing { padding: 20px 0 70px; }
  .closing-card { display: block; padding: 31px 25px; }
  .closing-card .button { margin-top: 23px; }
  .footer-inner { flex-wrap: wrap; }
  .footer-copy { width: 100%; }
  .subpage { padding-top: 52px; }
}
@media (max-width: 420px) {
  .wrap { width: calc(100% - 32px); }
  .brand { gap: 7px; font-size: 15px; }
  .brand-mark { width: 30px; height: 30px; }
  .nav-actions { gap: 9px; }
  .nav-actions > a:first-child { display: none; }
  .hero h1 { font-size: 58px; }
  .hero-card { min-height: 0; padding: 17px; border-radius: 19px; }
  .demo-tabs { margin-top: 19px; }
  .tab-button { padding: 8px 10px; font-size: 11px; }
  .demo-summary { grid-template-columns: 1fr; gap: 8px; }
  .demo-unavailable { max-width: none; text-align: left; padding-left: 43px; }
  .value-points { grid-template-columns: 1fr; }
  .footer-links { gap: 14px; }
  .checklist { grid-template-columns: 1fr; }
  .copy-row { align-items: stretch; flex-direction: column; }
}
.mobile-account { display: none; }
.playback-empty { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 12px 0 18px; font-size: 11px; color: var(--muted); }
.playback-empty button { border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; background: #f4f5f1; color: #626d68; font-size: 12px; cursor: not-allowed; }
.personal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.personal-section { background: #f1f5ef; }
.personal-section .button { margin-top: 24px; }
.setup-outline, .language-panel { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.setup-outline ol { margin: 0; padding-left: 24px; }
.setup-outline li { padding: 0 0 22px 8px; color: var(--teal); }
.setup-outline strong, .setup-outline span { display: block; }
.setup-outline strong { color: var(--ink); margin-bottom: 6px; }
.setup-outline span, .language-panel p { color: var(--muted); font-size: 14px; }
.language-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.language-chips span { padding: 9px 15px; border-radius: 100px; color: #07695f; background: var(--teal-pale); font-weight: 600; }
@media (max-width: 760px) {
  .personal-grid { grid-template-columns: 1fr; gap: 24px; }
  .setup-outline, .language-panel { padding: 24px; }
  .nav-links .mobile-account { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}