:root {
  --background: #f4f7f6;
  --surface: #fff;
  --ink: #13231f;
  --muted: #49615a;
  --subtle: #748780;
  --accent: #087f5b;
  --accent-soft: #ddf3ea;
  --border: #d5e0dc;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
a {
  color: inherit;
}
.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.site-nav a {
  text-decoration: none;
}
.site-nav a:hover {
  color: var(--accent);
}
.language-menu {
  position: relative;
}
.language-menu summary {
  min-width: 88px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  text-align: center;
}
.language-menu summary::-webkit-details-marker {
  display: none;
}
.language-options {
  position: absolute;
  z-index: 10;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  min-width: 150px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(23, 58, 48, 0.14);
}
.language-options a {
  padding: 9px 11px;
  border-radius: 9px;
}
.language-options a:hover {
  background: var(--accent-soft);
}
.nav-cta,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.nav-cta,
.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 7px 18px rgba(8, 127, 91, 0.22);
}
.button-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
}
.nav-cta:hover,
.button-primary:hover,
.button-secondary:hover {
  transform: translateY(-2px);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.98fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
  padding: 74px 0 96px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 690px;
  margin-bottom: 22px;
  font-size: clamp(44px, 5.3vw, 70px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}
.hero-copy {
  max-width: 560px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}
.version {
  color: var(--subtle);
  font-size: 13px;
  font-weight: 650;
}
.version strong {
  color: var(--accent);
}
.phone {
  width: min(100%, 415px);
  margin: auto;
  overflow: hidden;
  background: var(--background);
  border: 9px solid var(--ink);
  border-radius: 43px;
  box-shadow: 0 34px 70px rgba(19, 35, 31, 0.2);
}
.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 22px 0;
  font-size: 11px;
  font-weight: 800;
}
.phone-speaker {
  width: 78px;
  height: 18px;
  border-radius: 99px;
  background: var(--ink);
}
.phone-content {
  padding: 44px 20px 22px;
}
.app-kicker,
.match-count {
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.app-title {
  margin: 7px 0 5px;
  font-size: 37px;
  line-height: 1;
  letter-spacing: -0.055em;
}
.app-subtitle {
  margin-bottom: 23px;
  color: var(--muted);
  font-size: 15px;
}
.search-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 17px;
  margin-bottom: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(23, 58, 48, 0.07);
  font-size: 18px;
}
.search-icon {
  color: var(--subtle);
  font-size: 24px;
}
.result-list {
  display: grid;
  gap: 11px;
  margin-top: 12px;
}
.result {
  padding: 18px;
  background: var(--surface);
  border-radius: 21px;
  box-shadow: 0 9px 25px rgba(23, 58, 48, 0.06);
}
.result h3 {
  margin-bottom: 12px;
  font-size: 17px;
  letter-spacing: -0.025em;
}
.book-chip {
  display: inline-flex;
  flex-direction: column;
  padding: 7px 11px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
}
.book-chip span {
  color: var(--muted);
  font-weight: 650;
}
.features {
  padding: 82px 0 100px;
  border-top: 1px solid var(--border);
}
.section-heading {
  max-width: 650px;
  margin-bottom: 42px;
}
.section-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-card {
  min-height: 245px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid rgba(213, 224, 220, 0.75);
  border-radius: 24px;
  box-shadow: 0 10px 28px rgba(23, 58, 48, 0.04);
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 25px;
  border-radius: 15px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 23px;
}
.feature-card h3 {
  margin-bottom: 9px;
  font-size: 19px;
  letter-spacing: -0.02em;
}
.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}
.guide {
  padding: 96px 0 72px;
  border-top: 1px solid var(--border);
}
.guide-heading {
  margin-bottom: 72px;
}
.guide-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: clamp(48px, 9vw, 118px);
  align-items: center;
  padding: 0 0 104px;
}
.guide-step:last-child {
  padding-bottom: 24px;
}
.guide-step-reverse {
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
}
.guide-step-reverse .guide-copy {
  order: 2;
}
.step-number {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 25px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--surface);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 22px rgba(23, 58, 48, 0.05);
}
.guide-copy h3 {
  max-width: 570px;
  margin-bottom: 18px;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.guide-copy > p:not(.eyebrow, .guide-note) {
  max-width: 610px;
  color: var(--muted);
  font-size: 18px;
}
.instruction-list {
  display: grid;
  gap: 14px;
  max-width: 610px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
  counter-reset: instructions;
}
.instruction-list li {
  position: relative;
  min-height: 34px;
  padding-left: 48px;
  color: var(--muted);
  counter-increment: instructions;
}
.instruction-list li::before {
  position: absolute;
  top: -2px;
  left: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  content: counter(instructions);
  font-size: 12px;
  font-weight: 900;
}
.guide-note {
  max-width: 610px;
  margin-bottom: 0;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: rgba(221, 243, 234, 0.62);
  color: var(--muted);
  font-size: 14px;
}
.screenshot-frame {
  margin: 0;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  box-shadow: 0 24px 58px rgba(23, 58, 48, 0.12);
}
.screenshot-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}
.screenshot-frame figcaption {
  padding: 14px 8px 5px;
  color: var(--subtle);
  font-size: 12px;
  text-align: center;
}
.sync-guide {
  margin-top: 30px;
  padding: clamp(32px, 6vw, 64px);
  overflow: hidden;
  background: #173a30;
  color: #f2f7f5;
  border-radius: 30px;
}
.sync-intro {
  max-width: 760px;
  margin-bottom: 38px;
}
.sync-intro h3 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.sync-intro > p:last-child {
  margin-bottom: 0;
  color: #b9cbc5;
  font-size: 18px;
}
.sync-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.sync-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
}
.sync-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border-radius: 14px;
  background: #ddf3ea;
  color: #087f5b;
  font-size: 22px;
  font-weight: 900;
}
.sync-card h4 {
  margin: 0 0 18px;
  font-size: 20px;
}
.compact-list {
  margin: 0;
}
.compact-list li,
.check-list li {
  color: #d7e4e0;
  font-size: 14px;
}
.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 30px;
}
.check-list li::before {
  position: absolute;
  left: 0;
  color: #54d6a7;
  content: "✓";
  font-weight: 900;
}
.sync-scope {
  margin-top: 18px;
  padding: 18px 20px;
  background: #ddf3ea;
  color: #294139;
  border-radius: 16px;
  font-size: 14px;
}
.sync-scope strong {
  color: #087f5b;
}
.download {
  padding: 72px 0;
}
.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: clamp(32px, 6vw, 62px);
  background: #173a30;
  color: #f2f7f5;
  border-radius: 30px;
}
.download-panel h2 {
  max-width: 520px;
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.07;
  letter-spacing: -0.045em;
}
.download-panel p {
  max-width: 500px;
  margin-bottom: 0;
  color: #b9cbc5;
  font-size: 17px;
}
.store-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 11px;
}
.store-button {
  display: inline-flex;
  align-items: center;
  min-width: 155px;
  min-height: 52px;
  padding: 8px 15px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  color: #fff;
  text-decoration: none;
}
.store-button:hover {
  border-color: #54d6a7;
  color: #fff;
}
.store-button-coming {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.04);
  cursor: default;
}
.store-button-coming:hover {
  border-color: rgba(255, 255, 255, 0.18);
}
.store-button span {
  color: #b9cbc5;
  font-size: 10px;
  line-height: 1.2;
}
.store-button strong {
  display: block;
  font-size: 16px;
  line-height: 1.2;
}
.support {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 30px 0 72px;
}
.support-card {
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
}
.support-card h2 {
  margin-bottom: 10px;
  font-size: 23px;
  letter-spacing: -0.03em;
}
.support-card p {
  margin: 0;
  color: var(--muted);
}
.support-card a {
  color: var(--accent);
  font-weight: 800;
}
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 13px;
}
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}
@media (max-width: 800px) {
  .site-shell {
    width: min(100% - 32px, 620px);
  }
  .site-header {
    padding: 17px 0;
  }
  .site-nav {
    gap: 16px;
  }
  .site-nav > a:not(.nav-cta) {
    display: none;
  }
  .language-menu summary {
    min-width: auto;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 50px 0 68px;
  }
  .hero-copy {
    font-size: 18px;
  }
  .phone {
    max-width: 380px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    min-height: auto;
  }
  .guide {
    padding-top: 68px;
  }
  .guide-heading {
    margin-bottom: 52px;
  }
  .guide-step,
  .guide-step-reverse {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 76px;
  }
  .guide-step-reverse .guide-copy {
    order: initial;
  }
  .screenshot-frame {
    width: min(100%, 390px);
    margin-inline: auto;
  }
  .sync-details {
    grid-template-columns: 1fr;
  }
  .download-panel,
  .support,
  .site-footer {
    display: grid;
    grid-template-columns: 1fr;
  }
  .store-buttons {
    justify-content: flex-start;
  }
}
@media (max-width: 420px) {
  .brand {
    font-size: 16px;
  }
  .nav-cta {
    min-height: 41px;
    padding: 9px 13px;
  }
  .phone {
    border-width: 7px;
    border-radius: 34px;
  }
  .phone-content {
    padding: 34px 16px 18px;
  }
  .app-title {
    font-size: 32px;
  }
}