:root {
  --bg: #0f1016;
  --bg-2: #17110a;
  --panel: #191b24;
  --panel-2: #23212a;
  --gold: #ffc747;
  --gold-2: #ff8a26;
  --cream: #fff6d9;
  --text: #ffffff;
  --muted: #b9b2a8;
  --line: rgba(255, 199, 71, 0.24);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 199, 71, 0.16), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(255, 138, 38, 0.16), transparent 30%),
    linear-gradient(180deg, #11131a, #0f1016 52%, #17110a);
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 76px;
  padding: 0 max(18px, calc((100vw - 1180px) / 2));
  background: rgba(15, 16, 22, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.28rem;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 40px;
  border-radius: 8px;
  color: #1d1300;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.16);
}

.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-weight: 800;
}

.nav a:hover {
  color: var(--gold);
}

.nav-cta,
.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.nav-cta,
.primary-btn {
  color: #241700;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  box-shadow: 0 14px 32px rgba(255, 138, 38, 0.24);
}

.ghost-btn {
  color: var(--cream);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.nav-cta:hover,
.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-2px);
}

.full {
  width: 100%;
}

.hero,
.category-bar,
.register-panel,
.section,
.download-band,
.footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 560px);
  gap: 42px;
  align-items: center;
  padding: 72px 0 36px;
}

.kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 9vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
}

.lead,
.register-panel p,
.section-head p,
.feature-grid p,
.download-band p,
.device-grid p,
.step-grid p,
.footer p,
details p,
.download-modal p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions,
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.trust-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--cream);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.hero-media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #15151d;
  box-shadow: var(--shadow);
}

.hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.category-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.category-bar article {
  display: grid;
  gap: 8px;
  min-height: 90px;
  padding: 14px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.category-bar span {
  color: var(--gold);
  font-weight: 900;
}

.register-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 34px;
  align-items: center;
  padding: 70px 0 56px;
}

.signup-card,
.feature-grid article,
.device-grid article,
.step-grid article,
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  box-shadow: var(--shadow);
}

.signup-card {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.signup-card label {
  display: grid;
  gap: 7px;
  color: var(--cream);
  font-size: 0.9rem;
  font-weight: 800;
}

.signup-card input {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #fff;
  background: rgba(0, 0, 0, 0.24);
  padding: 0 14px;
}

.signin-note {
  margin: 0;
  text-align: center;
}

.signin-note button {
  border: 0;
  color: var(--gold);
  background: transparent;
  font-weight: 900;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  line-height: 1.6;
}

.check-list li::before {
  position: absolute;
  left: 0;
  content: ">";
  color: var(--gold);
  font-weight: 900;
}

.section {
  padding: 58px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 26px;
}

.feature-grid,
.device-grid,
.step-grid {
  display: grid;
  gap: 16px;
}

.feature-grid,
.step-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature-grid article,
.step-grid article {
  padding: 22px;
}

.feature-grid article > span,
.step-grid article > span {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #241700;
  background: var(--gold);
  font-weight: 900;
}

.download-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 480px);
  gap: 32px;
  align-items: stretch;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 199, 71, 0.18), rgba(255, 138, 38, 0.08)), #17110a;
  box-shadow: var(--shadow);
}

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

.device-grid article {
  padding: 18px;
  box-shadow: none;
}

.faq {
  max-width: 900px;
}

details {
  padding: 18px 20px;
  margin-bottom: 12px;
}

summary {
  color: var(--cream);
  font-weight: 900;
  cursor: pointer;
}

details p {
  margin: 12px 0 0;
}

.footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 38px 0 50px;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-weight: 800;
}

.download-dialog {
  width: min(430px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: 8px;
}

.download-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
}

.download-modal {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 26px;
  color: var(--text);
  background: var(--panel);
}

.close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--cream);
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .register-panel,
  .download-band {
    grid-template-columns: 1fr;
  }

  .category-bar,
  .feature-grid,
  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .topbar {
    min-height: 66px;
    padding: 0 14px;
  }

  .brand {
    font-size: 1.08rem;
  }

  .nav-cta {
    min-height: 40px;
    padding: 0 12px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions button {
    width: 100%;
  }

  .category-bar,
  .feature-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 46px 0;
  }

  .download-band {
    width: calc(100% - 24px);
    padding: 20px;
  }

  .footer {
    flex-direction: column;
  }
}