:root {
  --navy: #1e3a8a;
  --deep: #0a101c;
  --blue: #2563eb;
  --teal: #0e9f97;
  --text: #0b1526;
  --muted: #5b6b85;
  --paper: #f6f8fc;
  --line: #e3e9f3;
  --surface: #ffffff;
  --amber-bg: #fceedc;
  --amber-fg: #7c4a12;
  --blue-bg: #e3ecfd;
  --teal-bg: #d7f3f0;
  --red-bg: #fde5e5;
  --green-bg: #dcf5e7;
  --shadow: 0 18px 40px rgba(15, 35, 80, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  line-height: 1.55;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 20;
  background: #fff;
  padding: 8px 12px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 16, 28, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner,
.hero-inner,
.section,
.foot-inner {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-link {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.hero {
  background: linear-gradient(160deg, #1e3a8a 0%, #2456d6 48%, #0d9488 120%);
  color: #fff;
  padding: 56px 0 72px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  margin: 0 0 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  opacity: 0.72;
}

.kicker.dark {
  color: var(--navy);
  opacity: 1;
}

h1 {
  font-size: clamp(32px, 5vw, 52px);
  margin: 0 0 18px;
  font-weight: 600;
}

.lede {
  margin: 0 0 12px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 38rem;
}

.lede.subtle {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.btn:hover {
  background: #dbe7ff;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(320px, 100%);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 28px;
  padding: 18px 16px 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  display: grid;
  gap: 12px;
}

.phone-bar {
  width: 72px;
  height: 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.28);
  margin: 0 auto 6px;
}

.phone-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  color: var(--text);
  border-radius: 16px;
  padding: 14px;
}

.phone-card.accent {
  background: #0b1526;
  color: #fff;
}

.phone-card.accent .pc-k,
.phone-card.accent .pc-s {
  color: rgba(255, 255, 255, 0.62);
}

.dot {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  flex: none;
}

.dot.blue {
  background: var(--blue-bg);
}

.dot.teal {
  background: var(--teal-bg);
}

.dot.amber {
  background: var(--amber-bg);
}

.pc-k {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.pc-t {
  margin: 2px 0 0;
  font-weight: 700;
}

.pc-s {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.section {
  padding: 64px 0 0;
}

.section-head {
  margin-bottom: 24px;
}

.section-head p,
.trust p,
.download p {
  color: var(--muted);
  margin: 8px 0 0;
  max-width: 40rem;
}

h2 {
  font-size: clamp(26px, 3vw, 34px);
  margin: 0;
  font-weight: 600;
}

h3 {
  font-size: 20px;
  margin: 0 0 8px;
  font-weight: 600;
}

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cards li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 1px 0 rgba(15, 35, 80, 0.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.cards li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #c9d8f5;
}

.cards li.wide {
  grid-column: 1 / -1;
}

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

.badge {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 14px;
}

.badge.blue {
  background: var(--blue-bg);
  color: var(--blue);
}

.badge.teal {
  background: var(--teal-bg);
  color: var(--teal);
}

.badge.red {
  background: var(--red-bg);
  color: #dc2626;
}

.badge.green {
  background: var(--green-bg);
  color: #12a150;
}

.badge.amber {
  background: var(--amber-bg);
  color: #b45309;
}

.download {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.download h2 {
  margin-bottom: 10px;
}

.download-aside {
  background: var(--amber-bg);
  color: var(--amber-fg);
  border-radius: 20px;
  padding: 20px 22px;
}

.notice-title {
  margin: 0 0 8px;
  font-weight: 800;
}

.download-aside p {
  margin: 0;
  color: var(--amber-fg);
}

.download-aside a {
  color: inherit;
  font-weight: 700;
}

.download-aside .btn {
  display: inline-block;
  margin-top: 14px;
}

.download-aside .sha {
  margin: 12px 0 0;
  font-size: 12px;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.foot a {
  color: var(--blue);
  font-weight: 600;
}

.trust {
  background: linear-gradient(180deg, #eef2f9, #fff);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
}

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

.foot {
  margin-top: 64px;
  padding: 28px 0 48px;
  border-top: 1px solid var(--line);
}

.foot .brand {
  color: var(--text);
  margin-bottom: 10px;
}

.foot p {
  margin: 0 0 6px;
}

/* ---------- Phone mock tab bar ---------- */

.phone-tabs {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 8px 10px;
  margin-top: 2px;
}

.pt {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.6);
}

.pt.on {
  color: #fff;
}

/* ---------- Trust points ---------- */

.trust-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.trust-points li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  display: grid;
  gap: 4px;
}

.trust-points strong {
  font-size: 15px;
}

.trust-points span {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Motion ---------- */

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.rise {
  animation: rise-in 0.6s cubic-bezier(0.22, 0.8, 0.36, 1) both;
}

.rise.d1 {
  animation-delay: 0.08s;
}

.rise.d2 {
  animation-delay: 0.16s;
}

.rise.d3 {
  animation-delay: 0.24s;
}

@supports (animation-timeline: view()) {
  .reveal {
    animation: rise-in 0.7s cubic-bezier(0.22, 0.8, 0.36, 1) both;
    animation-timeline: view();
    animation-range: entry 0% entry 32%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rise,
  .reveal {
    animation: none;
  }

  .cards li {
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 840px) {
  .hero-inner,
  .cards,
  .download,
  .trust-points {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .phone {
    max-width: 300px;
  }
}

.app-reset-body {
  min-height: 100vh;
  background: var(--paper);
}

.app-reset {
  width: min(520px, calc(100% - 40px));
  margin: 48px auto 80px;
}

.app-reset-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 26px;
  box-shadow: var(--shadow);
}

.app-reset-card h1 {
  margin: 8px 0 12px;
  font-size: 1.7rem;
}

.app-reset-card .btn {
  display: inline-block;
  margin: 8px 0 16px;
}