:root {
  --ink: #17324f;
  --muted: #5f6f7d;
  --line: #d9e2ea;
  --paper: #fbf7ef;
  --white: #ffffff;
  --gold: #b8892f;
  --green: #426f5a;
  --blue: #315f8a;
  --shadow: rgba(23, 50, 79, 0.18);
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--green); }

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.nav,
.main,
.site-footer {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  color: var(--ink);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.main { padding: 72px 0 64px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(210px, 278px);
  align-items: center;
  justify-content: center;
  gap: 42px;
  min-height: 520px;
}

.hero-copy { max-width: 520px; }

.eyebrow {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 10px 0 16px;
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 74px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 10px;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p,
li { font-size: 17px; }

.lede {
  color: var(--muted);
  font-size: 20px;
  max-width: 680px;
  line-height: 1.55;
}

.availability {
  margin-top: 24px;
  color: var(--green);
  font-size: 15px;
  font-weight: 700;
}

.simulator-showcase { display: flex; justify-content: center; }

.simulator-preview {
  display: block;
  width: min(100%, 258px);
  height: auto;
  border-radius: 28px;
}

.phone-showcase { display: flex; justify-content: center; }

.device-frame {
  width: min(100%, 250px);
  aspect-ratio: 390 / 844;
  overflow: hidden;
  border: 8px solid #10253b;
  border-radius: 34px;
  background: #10253b;
  box-shadow: 0 22px 55px var(--shadow);
}

.device-frame img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 25px;
  object-fit: cover;
  object-position: top center;
}

.rhythm-section {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 54px;
  margin-top: 26px;
  padding: 38px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.rhythm-section h2 { margin-top: 8px; }
.rhythm-section p { margin: 0; color: var(--muted); }

.rhythm-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 42px;
}

.rhythm-list article {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.rhythm-list span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rhythm-list h3 {
  margin: 10px 0 8px;
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.15;
}

.rhythm-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.panel {
  margin-top: 28px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.link-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legal-page {
  max-width: 700px;
  padding-top: 64px;
}

.legal-intro {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.legal-intro h1 {
  margin-bottom: 12px;
  font-size: clamp(40px, 6vw, 60px);
}

.legal-page .legal-lede {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.5;
}

.legal-page h2 {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(217, 226, 234, 0.7);
  font-family: var(--serif);
  font-size: 25px;
}

.legal-page h3 {
  margin-top: 30px;
  font-family: var(--serif);
  font-size: 22px;
}

.legal-page p {
  color: var(--muted);
  font-size: 17px;
}

.contact-panel {
  margin: 34px 0 42px;
  padding: 26px 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-panel h2 {
  margin: 0 0 10px;
  padding: 0;
  border: 0;
}

.contact-panel p {
  margin-bottom: 0;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 14px;
}

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

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .main { padding-top: 40px; }

  .hero,
  .rhythm-section,
  .rhythm-list {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
  }

  .lede { font-size: 19px; }
  .simulator-preview { width: min(74vw, 285px); }
  .device-frame { width: min(72vw, 238px); }
  .legal-page { padding-top: 44px; }
  .legal-page .legal-lede { font-size: 20px; }
  .legal-page h2 { font-size: 23px; }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}