/* ReviewRelay website. Palette and theme model mirror the app (assets/css/tokens.css):
   <html data-theme="light|dark"> wins, otherwise prefers-color-scheme. */

:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --bg-alt: #eef0f5;
  --surface: #ffffff;
  --border: #e3e6ec;
  --text: #101828;
  --text-2: #344054;
  --muted: #5d6779;
  --accent: #3b57e0;
  --accent-solid: #3b57e0;
  --accent-solid-hover: #3049c4;
  --on-accent: #ffffff;
  --accent-soft: #eef1fe;
  --accent-line: #c7d0fb;
  --shadow: 0 1px 2px rgb(16 24 40 / 0.06), 0 12px 32px -8px rgb(16 24 40 / 0.14);
  --shadow-lg: 0 2px 4px rgb(16 24 40 / 0.06), 0 32px 64px -16px rgb(16 24 40 / 0.28);
  --font: "Inter var", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  --maxw: 1160px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d12;
  --bg-alt: #0f1218;
  --surface: #12151c;
  --border: #252a36;
  --text: #eceef2;
  --text-2: #c9ced8;
  --muted: #9aa3b2;
  --accent: #8ea2ff;
  --accent-solid: #4a66e8;
  --accent-solid-hover: #5b75ee;
  --accent-soft: #1a2142;
  --accent-line: #2e3a73;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 12px 32px -8px rgb(0 0 0 / 0.55);
  --shadow-lg: 0 2px 4px rgb(0 0 0 / 0.4), 0 32px 64px -16px rgb(0 0 0 / 0.7);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b0d12;
    --bg-alt: #0f1218;
    --surface: #12151c;
    --border: #252a36;
    --text: #eceef2;
    --text-2: #c9ced8;
    --muted: #9aa3b2;
    --accent: #8ea2ff;
    --accent-solid: #4a66e8;
    --accent-solid-hover: #5b75ee;
    --accent-soft: #1a2142;
    --accent-line: #2e3a73;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 12px 32px -8px rgb(0 0 0 / 0.55);
    --shadow-lg: 0 2px 4px rgb(0 0 0 / 0.4), 0 32px 64px -16px rgb(0 0 0 / 0.7);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.narrow {
  max-width: 820px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent-solid);
  color: var(--on-accent);
}

.skip:focus {
  top: 12px;
  text-decoration: none;
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.header-in {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand:hover {
  text-decoration: none;
}

.logo {
  width: 30px;
  height: 30px;
  flex: none;
}

.nav {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 15px;
  font-weight: 500;
}

.nav a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

.tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.lang {
  display: inline-grid;
  place-items: center;
  height: 36px;
  min-width: 40px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  text-decoration: none;
}

.iconbtn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}

.iconbtn:hover {
  border-color: var(--accent-line);
  color: var(--accent);
}

.icon {
  width: 20px;
  height: 20px;
}

.icon-sun {
  display: none;
}

:root[data-theme="dark"] .icon-moon {
  display: none;
}

:root[data-theme="dark"] .icon-sun {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-moon {
    display: none;
  }

  :root:not([data-theme="light"]) .icon-sun {
    display: block;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  text-decoration: none;
}

.btn-sm {
  height: 36px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 14px;
}

.btn-primary {
  background: var(--accent-solid);
  color: var(--on-accent);
  box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--accent-solid) 70%, transparent);
}

.btn-primary:hover {
  background: var(--accent-solid-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

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

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 72px;
  text-align: center;
  background:
    radial-gradient(900px 420px at 50% -80px, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(600px 300px at 90% 20%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 12px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero h1 {
  max-width: 920px;
  margin: 0 auto;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.lead {
  max-width: 720px;
  margin: 24px auto 0;
  color: var(--text-2);
  font-size: clamp(17px, 2vw, 20px);
}

.lead-sm {
  margin-left: 0;
  margin-top: 14px;
  font-size: 18px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}

.note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.hero-shot {
  max-width: 1040px;
  margin: 56px auto 0;
  transform: perspective(1800px) rotateX(2deg);
  transform-origin: 50% 0;
}

/* ---------- Browser frame + screenshots ---------- */

.frame {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.frame-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.frame-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.frame-bar span {
  margin-left: 10px;
  color: var(--muted);
  font-size: 12px;
}

.frame-body {
  aspect-ratio: 16 / 10;
  background: var(--bg-alt);
}

.shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.shot-dark {
  display: none;
}

:root[data-theme="dark"] .shot-light {
  display: none;
}

:root[data-theme="dark"] .shot-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .shot-light {
    display: none;
  }

  :root:not([data-theme="light"]) .shot-dark {
    display: block;
  }
}

/* ---------- Sections ---------- */

.works {
  padding: 8px 0 56px;
  text-align: center;
}

.works-label {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.chips li {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section h2 {
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.03em;
}

.section .eyebrow {
  margin-bottom: 14px;
}

/* ---------- Feature cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 48px;
}

.card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
}

.card-icon,
.sec-icon {
  width: 44px;
  height: 44px;
  padding: 11px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.card h3 {
  margin: 18px 0 8px;
  font-size: 19px;
}

.card p {
  color: var(--muted);
  font-size: 15.5px;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 48px;
  counter-reset: s;
}

.step {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--accent-line);
}

.step-n {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--accent-solid);
  color: var(--on-accent);
  font-weight: 700;
  font-size: 15px;
}

.step h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.step p {
  color: var(--muted);
  font-size: 15.5px;
}

/* ---------- Screen rows ---------- */

.rows {
  display: grid;
  gap: 96px;
  margin-top: 64px;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.5fr);
  gap: 56px;
  align-items: center;
}

.row-flip {
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr);
}

.row-flip .row-text {
  order: 2;
}

.row-n {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.row-text h3 {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.025em;
}

.row-text p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* ---------- Security ---------- */

.secgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px 36px;
  margin-top: 48px;
}

.sec {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.sec-icon {
  flex: none;
}

.sec h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.sec p {
  color: var(--muted);
  font-size: 15.5px;
}

/* ---------- FAQ ---------- */

.faq {
  margin-top: 36px;
  border-top: 1px solid var(--border);
}

.qa {
  border-bottom: 1px solid var(--border);
}

.qa summary {
  position: relative;
  padding: 20px 40px 20px 0;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 26px;
  font-weight: 400;
  transition: transform 0.2s;
}

.qa[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.qa p {
  padding: 0 40px 22px 0;
  color: var(--muted);
}

/* ---------- CTA + footer ---------- */

.cta {
  padding: 96px 0;
  background:
    radial-gradient(700px 320px at 50% 100%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%),
    var(--bg);
  text-align: center;
}

.cta h2 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(30px, 4.5vw, 46px);
  letter-spacing: -0.03em;
}

.cta p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 19px;
}

.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  font-size: 15px;
}

.footer-in {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 380px;
}

.footer-brand p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14.5px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-nav a {
  color: var(--text-2);
  font-weight: 500;
}

.footer-end {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Language chooser (root) ---------- */

.choose {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background: radial-gradient(800px 380px at 50% -60px, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%), var(--bg);
  text-align: center;
}

.choose-box {
  display: grid;
  gap: 12px;
  justify-items: center;
  max-width: 520px;
}

.choose-box .logo {
  width: 64px;
  height: 64px;
}

.choose-box h1 {
  font-size: 36px;
}

.choose-box p {
  color: var(--text-2);
}

/* ---------- Reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.js .card.reveal.in:hover {
  transform: translateY(-3px);
}

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .row,
  .row-flip {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .row-flip .row-text {
    order: 0;
  }

  .rows {
    gap: 64px;
  }

  .hero-shot {
    transform: none;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .header-in {
    gap: 10px;
  }

  .brand span {
    display: none;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .section,
  .cta {
    padding: 64px 0;
  }

  .actions .btn {
    flex: 1 1 100%;
  }

  .frame-bar span {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }

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

/* ---------- Legal pages ---------- */

.legal {
  padding: 56px 0 96px;
}

.legal h1 {
  margin: 20px 0 8px;
  font-size: clamp(30px, 4vw, 42px);
}

.legal h2 {
  margin: 36px 0 10px;
  font-size: 21px;
}

.legal p,
.legal address {
  margin-top: 10px;
  color: var(--text-2);
  font-style: normal;
}

.legal-date {
  margin-top: 40px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-links a {
  color: var(--text-2);
}

.footer-solo {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

/* ---------- Demo section ---------- */

.secgrid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.demo-actions {
  justify-content: flex-start;
  margin-top: 40px;
}

@media (max-width: 760px) {
  .secgrid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav-signin {
    display: none;
  }
}