:root {
  color-scheme: light;
  --bg: #fffff5;
  --bg-deep: #f5f5ee;
  --surface: #fffffa;
  --surface-bright: #ffffff;
  --surface-soft: #f5f5ee;
  --surface-strong: #1a1a1a;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --muted-strong: #3f3f3f;
  --line: #eaeae4;
  --line-strong: #d8d8cf;
  --accent: #7ec8e3;
  --accent-strong: #247997;
  --accent-soft: #e8f7fc;
  --green: #1a7a4a;
  --green-soft: #e4f2ea;
  --gold: #f59e0b;
  --gold-soft: #fff5dc;
  --coral: #ff9e80;
  --pink: #e8407a;
  --max: 1120px;
  --measure: 760px;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(26, 26, 26, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  background: linear-gradient(180deg, var(--bg), var(--surface) 48%, var(--surface-soft));
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(234, 234, 228, 0.86);
  background: rgba(255, 255, 245, 0.92);
  backdrop-filter: blur(18px);
}

.nav,
.footer-inner,
.section-inner {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 760;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(126, 200, 227, 0.42);
  border-radius: 12px;
  background: var(--bg);
  box-shadow: 0 10px 28px rgba(126, 200, 227, 0.24);
  object-fit: cover;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a,
.footer-links a {
  color: var(--muted-strong);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--text);
}

main {
  width: 100%;
}

.hero {
  position: relative;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 66px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: 54px;
  align-items: center;
}

.hero-copy,
.hero-panel {
  position: relative;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-logo {
  display: block;
  width: clamp(82px, 12vw, 112px);
  height: clamp(82px, 12vw, 112px);
  border: 1px solid rgba(126, 200, 227, 0.48);
  border-radius: 24px;
  background: var(--bg);
  box-shadow: 0 18px 44px rgba(126, 200, 227, 0.3);
  object-fit: cover;
}

.hero-wordmark {
  color: var(--text);
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  font-weight: 800;
  line-height: 1;
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.1rem, 7.2vw, 6.8rem);
  line-height: 0.92;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: 1.08rem;
}

p {
  margin: 0 0 16px;
}

ul,
ol {
  margin: 0 0 20px;
  padding-left: 22px;
}

li {
  margin: 8px 0;
}

.lead {
  margin-top: 24px;
  max-width: 660px;
  color: var(--muted-strong);
  font-size: clamp(1.1rem, 2vw, 1.32rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 17px;
  border: 1px solid rgba(126, 200, 227, 0.86);
  border-radius: 8px;
  background: var(--accent);
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(126, 200, 227, 0.3);
}

.button:hover {
  color: var(--text);
  background: #90d4ea;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 250, 0.86);
  color: var(--accent-strong);
  box-shadow: none;
}

.button.secondary:hover {
  color: var(--accent-strong);
  background: var(--surface-bright);
}

.hero-panel {
  border: 1px solid rgba(234, 234, 228, 0.98);
  border-radius: var(--radius);
  background: rgba(255, 255, 250, 0.92);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.phone-card {
  padding: 22px;
}

.chat-preview {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 250, 0.96), rgba(245, 245, 238, 0.92));
  display: flex;
  flex-direction: column;
}

.preview-top {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.preview-title {
  display: block;
  font-weight: 760;
}

.preview-subtitle {
  color: var(--muted);
  font-size: 0.92rem;
}

.status-pill {
  white-space: nowrap;
  border: 1px solid rgba(126, 200, 227, 0.55);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 760;
}

.preview-body {
  padding: 22px 18px 18px;
  display: grid;
  gap: 14px;
}

.person-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--green-soft));
  border: 1px solid rgba(126, 200, 227, 0.3);
}

.avatar.gold {
  background: linear-gradient(135deg, var(--gold-soft), var(--coral));
}

.row-line,
.row-line.short {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: #e6e6df;
}

.row-line.short {
  width: 58%;
  margin-top: 8px;
  background: #f0f0e9;
}

.message {
  max-width: 82%;
  margin-top: 10px;
  padding: 13px 14px;
  border-radius: 8px;
  background: var(--surface-bright);
  color: var(--muted-strong);
  border: 1px solid var(--line);
}

.message.right {
  margin-left: auto;
  border-color: rgba(126, 200, 227, 0.6);
  background: var(--accent);
  color: var(--text);
}

.preview-footer {
  margin-top: auto;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 70px 0;
}

.section.alt {
  border-top: 1px solid rgba(219, 226, 220, 0.72);
  border-bottom: 1px solid rgba(219, 226, 220, 0.72);
  background: rgba(245, 245, 238, 0.58);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading p {
  margin-top: 14px;
  color: var(--muted-strong);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.card,
.panel,
.notice,
.legal-section,
.contact-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 250, 0.92);
}

.card {
  padding: 24px;
  min-height: 100%;
}

.card h3 {
  margin-bottom: 10px;
}

.card p,
.panel p,
.legal-section p,
.contact-block p {
  color: var(--muted-strong);
}

.icon-box {
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 8px;
  border: 1px solid rgba(126, 200, 227, 0.38);
  background: linear-gradient(135deg, var(--surface-bright), var(--accent-soft));
}

.icon-box.gold {
  border-color: rgba(245, 158, 11, 0.34);
  background: linear-gradient(135deg, var(--surface-bright), var(--gold-soft));
}

.icon-box.blue {
  border-color: rgba(26, 122, 74, 0.28);
  background: linear-gradient(135deg, var(--surface-bright), var(--green-soft));
}

.panel {
  padding: 28px;
}

.status-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  margin: 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.status-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-list strong {
  display: block;
  color: var(--text);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.page {
  width: min(100% - 40px, var(--measure));
  margin: 0 auto;
  padding: 58px 0 72px;
}

.page h1 {
  margin-bottom: 16px;
  font-size: clamp(2.5rem, 8vw, 4.7rem);
  line-height: 0.96;
}

.page-intro {
  margin: 0 0 28px;
  color: var(--muted-strong);
  font-size: 1.12rem;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-color: rgba(245, 158, 11, 0.36);
  background: rgba(255, 245, 220, 0.76);
  color: #664509;
}

.legal-section {
  margin: 18px 0;
  padding: 24px;
}

.legal-section h2 {
  margin-bottom: 12px;
  font-size: 1.28rem;
}

.legal-section h3 {
  margin: 18px 0 8px;
}

.link-list {
  padding-left: 0;
  list-style: none;
}

.link-list li {
  margin: 10px 0;
}

.contact-block {
  margin-top: 26px;
  padding: 24px;
}

.site-footer {
  border-top: 1px solid var(--line-strong);
  background: rgba(245, 245, 238, 0.92);
}

.footer-inner {
  padding: 30px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-brand {
  display: grid;
  gap: 4px;
}

.footer-brand strong {
  color: var(--text);
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 62px;
    gap: 36px;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav,
  .footer-inner,
  .section-inner,
  .hero,
  .page {
    width: min(100% - 32px, var(--max));
  }

  .nav {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links,
  .footer-links {
    gap: 12px 16px;
  }

  .hero {
    padding-bottom: 52px;
  }

  .hero-brand {
    gap: 12px;
    margin-bottom: 20px;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .chat-preview {
    min-height: 360px;
  }

  .preview-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    padding: 54px 0;
  }

  .card,
  .panel,
  .legal-section,
  .contact-block {
    padding: 20px;
  }
}