:root {
  --navy: #071a3d;
  --navy-2: #0d2a5d;
  --yellow: #ffed00;
  --surface: #ffffff;
  --ink: #10203f;
  --muted: #60708f;
  --line: #d9dfeb;
  --soft: #f4f7fb;
  --success: #18a058;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 223, 235, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.nav {
  display: flex;
  gap: 6px;
}

.nav a {
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover {
  color: var(--navy);
  background: var(--soft);
}

.hero {
  min-height: calc(100vh - 67px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(42px, 7vw, 92px) clamp(18px, 6vw, 84px);
  background:
    linear-gradient(110deg, rgba(7, 26, 61, 0.93), rgba(7, 26, 61, 0.72)),
    url("assets/brand-logo.jpg") center / cover;
  color: white;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

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

.lead {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  color: white;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.store-button.primary {
  color: var(--navy);
  background: var(--yellow);
  border-color: var(--yellow);
}

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

.phone {
  width: min(360px, 88vw);
  padding: 12px;
  border-radius: 34px;
  background: #0a1124;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
}

.phone-status {
  width: 96px;
  height: 5px;
  margin: 2px auto 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.app-screen {
  display: block;
  width: 100%;
  aspect-ratio: 1080 / 2340;
  border-radius: 24px;
  overflow: hidden;
  object-fit: cover;
  object-position: top center;
  background: #f8fafc;
}

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.section,
.split-section,
.download {
  padding: clamp(56px, 8vw, 96px) clamp(18px, 6vw, 84px);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-heading .eyebrow,
.split-section .eyebrow,
.download .eyebrow {
  color: var(--navy-2);
}

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

.feature-grid article {
  padding: 22px;
  min-height: 190px;
}

.feature-grid p,
.split-section p,
.download p {
  color: var(--muted);
  line-height: 1.65;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--navy);
  background: var(--yellow);
  font-weight: 900;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: var(--soft);
}

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

.check-list li {
  padding: 14px 16px;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--line);
  font-weight: 750;
}

.check-list li::before {
  content: "✓";
  color: var(--success);
  margin-right: 10px;
}

.download {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(22px, 5vw, 56px);
  align-items: center;
}

.download img {
  width: 220px;
  max-width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.download .store-button {
  color: var(--navy);
  border-color: var(--line);
  background: white;
}

.download .store-button.primary {
  background: var(--yellow);
  border-color: var(--yellow);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(18px, 6vw, 84px);
  color: rgba(255, 255, 255, 0.82);
  background: var(--navy);
}

.footer button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  color: white;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .split-section,
  .download {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .phone-wrap {
    justify-content: flex-start;
  }

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

@media (max-width: 460px) {
  .store-actions,
  .store-button {
    width: 100%;
  }

  .brand span {
    font-size: 15px;
  }
}