:root {
  --sea: #3aa7a1;
  --sea-dark: #17636b;
  --mint: #d7f5ec;
  --foam: #f4fbf8;
  --paper: #fffaf0;
  --amber: #ffd982;
  --coral: #ff8f86;
  --ink: #17383d;
  --muted: #65777c;
  --line: #dceee9;
  --shadow: 0 24px 70px rgba(23, 99, 107, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--foam);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 238, 233, .72);
  background: rgba(244, 251, 248, .86);
  backdrop-filter: blur(18px);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
  letter-spacing: 0;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(23, 99, 107, .16);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--sea-dark);
}

.hero {
  min-height: 680px;
  display: grid;
  align-items: center;
  background:
    radial-gradient(circle at 14% 20%, rgba(255, 255, 255, .62), transparent 18%),
    linear-gradient(135deg, #e9fbf5 0%, #8be0d1 48%, #3196c7 100%);
  overflow: hidden;
}

.hero-inner {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 72px 0 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: 52px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--sea-dark);
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(255, 255, 255, .72);
  font-size: 13px;
  font-weight: 800;
}

h1 {
  margin: 20px 0 16px;
  max-width: 720px;
  font-size: clamp(46px, 8vw, 84px);
  line-height: .96;
  letter-spacing: 0;
}

.lead {
  margin: 0;
  max-width: 660px;
  color: rgba(23, 56, 61, .76);
  font-size: clamp(18px, 2.2vw, 22px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  color: white;
  background: var(--sea-dark);
  border-color: var(--sea-dark);
}

.button.secondary {
  color: var(--sea-dark);
  background: rgba(255, 255, 255, .72);
}

.phone {
  position: relative;
  min-height: 560px;
}

.phone-frame {
  width: min(330px, 88vw);
  margin: 0 auto;
  padding: 14px;
  border-radius: 44px;
  background: #17383d;
  box-shadow: var(--shadow);
  transform: rotate(3deg);
}

.phone-screen {
  min-height: 600px;
  border-radius: 34px;
  overflow: hidden;
  background: linear-gradient(180deg, #f4fbf8, #d7f5ec);
}

.app-top {
  padding: 28px 22px 18px;
  background: linear-gradient(135deg, #d7f5ec, #3aa7a1);
}

.app-pill {
  width: 90px;
  height: 5px;
  margin: 0 auto 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
}

.app-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.app-logo-row img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
}

.ocean-card {
  margin: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .82);
}

.bottle-visual {
  height: 180px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 255, 255, .8), transparent 18%),
    linear-gradient(160deg, #e9fbf5, #7fd9cc 58%, #2d91c4);
  display: grid;
  place-items: center;
}

.bottle-visual img {
  width: 112px;
  height: 112px;
  filter: drop-shadow(0 16px 24px rgba(23, 99, 107, .18));
}

.section {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 82px 0;
}

.section h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.06;
}

.section-intro {
  margin: 0 0 34px;
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .74);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--mint);
  color: var(--sea-dark);
  font-weight: 900;
}

.feature h3 {
  margin: 18px 0 8px;
  font-size: 20px;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.band {
  background: white;
  border-block: 1px solid var(--line);
}

.policy-list {
  display: grid;
  gap: 14px;
  max-width: 820px;
}

.policy-link {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--foam);
  text-decoration: none;
  font-weight: 850;
}

.site-footer {
  padding: 36px 22px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.legal-page {
  width: min(900px, calc(100% - 44px));
  margin: 0 auto;
  padding: 58px 0 88px;
}

.legal-page h1 {
  font-size: clamp(40px, 6vw, 64px);
}

.legal-page h2 {
  margin: 42px 0 10px;
  font-size: 26px;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

.legal-page ul {
  padding-left: 22px;
}

.notice {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 46px;
  }

  .phone {
    min-height: auto;
  }

  .phone-frame {
    transform: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}