:root {
  --bg: #0b0b10;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --border: rgba(255, 255, 255, 0.12);

  --red: #c10f2b;
  --red-dark: #8e0015;
  --ring: rgba(193, 15, 43, 0.35);

  --shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
  --radius: 18px;

  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 10% -10%, rgba(193, 15, 43, 0.22), transparent 55%),
    radial-gradient(900px 600px at 120% 15%, rgba(193, 15, 43, 0.16), transparent 55%),
    linear-gradient(180deg, #090910 0%, #07070c 70%, #07070c 100%);
  color: var(--text);
  line-height: 1.6;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  padding: 0.15em 0.4em;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 10px;
  transform: translateY(-200%);
  background: #11111a;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  z-index: 999;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid var(--ring);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 7, 12, 0.62);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 140px;
}

.brand-logo {
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  object-fit: cover;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(193, 15, 43, 0.24);
  font-weight: 700;
  font-size: 14px;
}

.header-cta:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.hero {
  padding: 22px 0 20px;
}

.hero-media {
  width: min(1250px, calc(100% - 40px));
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.04);
}

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

.hero-copy {
  padding: 22px 0 0;
}

.hero-copy h1 {
  margin: 10px 0 10px;
  font-size: clamp(26px, 3.4vw, 44px);
  letter-spacing: 0.2px;
  line-height: 1.15;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 68ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  user-select: none;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.btn.primary {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 55px rgba(193, 15, 43, 0.24);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: 56px 0;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(22px, 2.3vw, 30px);
  letter-spacing: 0.2px;
}

.sub {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 80ch;
}

.sub-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.card {
  grid-column: span 6;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.045) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.25);
}

.feature-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-media {
  flex: 0 0 132px;
  width: 132px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
}

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

.feature-body {
  min-width: 0;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.card li {
  margin: 8px 0;
}

.download {
  padding: 68px 0 76px;
  background: radial-gradient(900px 420px at 50% 0%, rgba(193, 15, 43, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(193, 15, 43, 0.06) 0%, rgba(193, 15, 43, 0.02) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.download-inner {
  text-align: center;
}

.download-copy h2 {
  margin: 0;
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.15;
}

.download-btn {
  margin: 18px auto 0;
  width: min(520px, 100%);
  padding: 18px 20px;
  font-size: 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, #ff2e4f 0%, #a50016 100%);
  box-shadow: 0 26px 70px rgba(193, 15, 43, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.download-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}

.modal.is-open {
  display: block;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-dialog {
  position: relative;
  width: min(560px, calc(100% - 40px));
  margin: 18vh auto 0;
  padding: 18px 18px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.085) 0%, rgba(255, 255, 255, 0.045) 100%);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.6);
}

.modal-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: radial-gradient(20px 20px at 35% 35%, rgba(255, 46, 79, 0.7), rgba(165, 0, 22, 0.28));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 55px rgba(193, 15, 43, 0.22);
}

.modal-title {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.modal-desc {
  margin: 10px 0 0;
  color: var(--muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}

.modal-btn {
  padding: 12px 16px;
}

.site-footer {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 7, 12, 0.55);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.footer-logo {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: cover;
}

.footer-title {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.footer-sub {
  color: var(--muted);
  font-size: 13px;
}

.footer-right {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 14px;
}

.footer-right a {
  padding: 8px 10px;
  border-radius: 12px;
}

.footer-right a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .card {
    grid-column: span 12;
  }
  .feature-card {
    flex-direction: column;
  }
  .feature-media {
    width: 100%;
    flex-basis: auto;
  }
}

@media (max-width: 520px) {
  .header-inner {
    padding: 12px 0;
  }
  .brand-name {
    display: none;
  }
}