:root {
  --bg: #091018;
  --bg-soft: #101a26;
  --surface: rgba(12, 19, 28, 0.86);
  --surface-strong: #111c29;
  --surface-alt: #162536;
  --border: rgba(167, 193, 218, 0.16);
  --border-strong: rgba(130, 201, 255, 0.36);
  --text: #edf4ff;
  --muted: #9fb2c9;
  --accent: #00d4ff;
  --accent-2: #6366f1;
  --accent-3: #ff8844;
  --shadow: 0 24px 80px rgba(2, 6, 12, 0.42);
  --radius: 24px;
  --radius-sm: 16px;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-display);
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(99, 102, 241, 0.18), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(0, 212, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #071019 0%, #091018 45%, #0a131d 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 104px 0;
}

.eyebrow,
.card-tag,
.signal-label,
.panel-kicker,
.offer-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.18);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading h2,
.signal-card h2,
.download-shell h2,
.garmin-copy h2,
.games-copy h2 {
  margin: 14px 0 12px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-heading p,
.signal-card p,
.download-shell p,
.garmin-copy p,
.games-copy p,
.hero-lead,
.footer-copy,
.footer-legal,
.offer-note,
.download-note {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: #4caf50;
  box-shadow: 0 12px 32px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
  background: #43a047;
}

.btn-secondary {
  color: #fff;
  background: #2979ff;
  border-color: transparent;
  box-shadow: 0 12px 32px rgba(41, 121, 255, 0.25);
}

.btn-secondary:hover {
  background: #2264d1;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
}

.btn-sm {
  padding: 10px 16px;
  font-size: 0.92rem;
}

.btn-lg {
  padding: 15px 24px;
  font-size: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 10px 0;
  transition: padding 180ms ease, background 180ms ease, border-color 180ms ease;
}

.site-header.scrolled {
  padding: 10px 0;
  background: rgba(7, 11, 17, 0.7);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(11, 18, 28, 0.64);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.14);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-img {
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.24);
}

.main-nav,
.header-ctas,
.footer-links,
.hero-actions,
.download-actions,
.hero-proof,
.signal-list,
.feature-points,
.offer-list {
  display: flex;
  gap: 12px;
}

.main-nav {
  align-items: center;
  gap: 26px;
}

.main-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  padding: 8px 0 28px;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 20%, rgba(0, 212, 255, 0.16), transparent 24%),
    radial-gradient(circle at 80% 16%, rgba(99, 102, 241, 0.18), transparent 24%);
}

.hero-grid,
.garmin-grid,
.games-grid,
.support-hero-grid,
.signal-grid {
  display: grid;
  align-items: center;
  gap: 40px;
}

.hero-grid {
  grid-template-columns: 1fr;
  gap: 32px;
}

.support-hero-grid {
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 300px);
}

.hero-copy {
  text-align: center;
}

.hero-copy h1 {
  margin: 10px 0 14px;
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
  word-break: normal;
}

.hero-logo-icon {
  display: inline-block;
  width: clamp(48px, 4vw, 64px);
  height: clamp(48px, 4vw, 64px);
  vertical-align: middle;
  margin-right: 10px;
  border-radius: 16px;
  box-shadow:
    0 0 40px rgba(0, 212, 255, 0.25),
    0 14px 40px rgba(0, 0, 0, 0.4);
}

.hero-lead {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.12rem;
}

.hero-actions {
  flex-wrap: wrap;
  justify-content: center;
  margin: 22px 0 26px;
}

.hero-proof {
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.proof-chip,
.mini-card,
.support-card,
.flow-card,
.signal-card,
.signal-item,
.feature-card,
.garmin-card,
.download-shell,
.offer-card,
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.proof-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  min-width: auto;
}

.proof-chip strong,
.signal-item strong,
.mini-card strong {
  font-size: 0.85rem;
}

.proof-chip span {
  color: var(--muted);
  font-size: 0.8rem;
  display: none;
}

.signal-item span,
.mini-card span,
.download-note,
.garmin-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
}

.device-card {
  position: relative;
  padding: 14px;
  border-radius: 28px;
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(18, 29, 42, 0.84), rgba(10, 16, 24, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 80px rgba(3, 7, 12, 0.5);
}

.device-frame {
  overflow: hidden;
  border-radius: 20px;
  background: #05090f;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.device-badges {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.device-badge {
  flex: 1;
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.12);
}

.device-badge strong {
  font-size: 0.85rem;
  color: var(--accent);
}

.device-badge span {
  font-size: 0.78rem;
  color: var(--muted);
}

.device-topbar {
  display: flex;
  gap: 7px;
  padding: 12px 14px;
  background: #0d1520;
}

.device-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.device-topbar span:first-child {
  background: #ff7a7a;
}

.device-topbar span:nth-child(2) {
  background: #f3ba63;
}

.device-topbar span:nth-child(3) {
  background: #87df9f;
}

.hero-shot {
  width: 100%;
  border-radius: 18px;
}

.feature-image {
  width: 100%;
  border-radius: 18px;
  max-height: 420px;
  object-fit: cover;
  object-position: top;
}

.floating-panel {
  position: absolute;
  display: grid;
  gap: 4px;
  max-width: 220px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(8, 15, 24, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

.app-badge {
  position: absolute;
  left: 22px;
  top: 22px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 20px;
  background: rgba(8, 15, 24, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

.app-badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.28);
}

.app-badge-copy {
  display: grid;
  gap: 4px;
}

.floating-panel strong,
.offer-price {
  font-size: 1.15rem;
}

.floating-panel span,
.offer-list li,
.support-card p,
.flow-card p,
.feature-card p,
.faq-item p {
  color: var(--muted);
}

.panel-metrics {
  left: -18px;
  bottom: 64px;
}

.panel-sync {
  right: -18px;
  top: 36px;
}

.signal-band {
  padding-top: 24px;
}

.video-section {
  padding-top: 36px;
}

.video-feature {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 24px;
  align-items: stretch;
}

.video-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 4px;
}

.video-copy h2 {
  margin: 14px 0 12px;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.video-copy p {
  max-width: 560px;
  color: var(--muted);
}

.video-bullets {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.video-bullet {
  display: grid;
  gap: 3px;
  padding-left: 18px;
  border-left: 2px solid rgba(0, 212, 255, 0.2);
}

.video-bullet span {
  color: var(--muted);
}

.video-shell-full {
  max-width: 100%;
}

.video-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 18px;
  border-radius: 32px;
  background: rgba(10, 17, 26, 0.86);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.video-card-header {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.video-card-header strong {
  font-size: 1.1rem;
}

.demo-video {
  width: 100%;
  border-radius: 22px;
  background: #02060a;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.video-shell-placeholder {
  display: flex;
  flex-direction: column;
}

.video-placeholder {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 12px;
  min-height: 360px;
  padding: 28px 24px;
  border-radius: 22px;
  border: 1px dashed rgba(0, 212, 255, 0.22);
  background:
    radial-gradient(circle at top, rgba(99, 102, 241, 0.12), transparent 44%),
    rgba(4, 9, 14, 0.62);
}

.video-placeholder-top {
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
  margin-bottom: 8px;
}

.video-status,
.video-length {
  padding: 7px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.video-status {
  color: #0a1117;
  background: linear-gradient(135deg, var(--accent), #c7fff8);
}

.video-length {
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.video-placeholder-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.video-placeholder h3 {
  margin: 0;
  font-size: 1.3rem;
}

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

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

.signal-card,
.signal-item,
.feature-card,
.support-card,
.flow-card,
.garmin-card,
.download-shell,
.offer-card {
  border-radius: var(--radius);
}

.signal-card,
.download-shell {
  padding: 28px;
}

.signal-list {
  flex-direction: column;
}

.signal-item {
  padding: 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.feature-card {
  padding: 24px;
  overflow: hidden;
}

.feature-card-wide {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: center;
}

.feature-card-flip {
  grid-template-columns: 1.1fr 1fr;
}

.feature-card h3,
.flow-card h3,
.support-card h3,
.faq-item summary {
  margin: 14px 0 10px;
  font-size: 1.35rem;
  line-height: 1.15;
}

.feature-points,
.offer-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  flex-direction: column;
}

.feature-points li,
.offer-list li {
  position: relative;
  padding-left: 18px;
}

.feature-points li::before,
.offer-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hud-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.hud-demo span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.14);
  color: var(--accent);
  font-family: var(--font-mono);
}

.hud-demo strong {
  color: var(--text);
}

.garmin-grid,
.games-grid {
  grid-template-columns: 1fr 1fr;
}

.flow-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.flow-inline span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.flow-arrow {
  color: var(--accent);
  border: 0;
  background: transparent;
  padding-inline: 0;
}

.garmin-card {
  padding: 30px;
  text-align: center;
}

.watch-shell {
  width: 250px;
  margin: 0 auto 20px;
  padding: 20px;
  border-radius: 34px;
  background: linear-gradient(180deg, #10161d, #080c11);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.05);
}

.watch-screen {
  padding: 24px 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.12), rgba(99, 102, 241, 0.15));
  font-family: var(--font-mono);
}

.watch-screen small {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.74rem;
}

.watch-screen strong {
  display: block;
  font-size: 3rem;
  line-height: 1;
}

.watch-screen strong span {
  font-size: 1.05rem;
}

.watch-row {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 0.9rem;
}

.flow-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.support-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.flow-card,
.support-card {
  padding: 24px;
}

.apk-card {
  border-color: rgba(0, 212, 255, 0.28);
  background: linear-gradient(180deg, rgba(18, 32, 42, 0.96), rgba(11, 18, 28, 0.86));
  text-align: center;
}

.apk-button {
  margin-top: 14px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.install-note {
  margin-top: 18px;
  text-align: center;
}

.flow-step {
  font-family: var(--font-mono);
  color: var(--accent);
}

.games-showcase {
  display: grid;
  gap: 18px;
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mini-card {
  padding: 20px;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  padding: 0 24px;
  border-radius: 20px;
}

.faq-item summary {
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0 0 22px;
}

.download-shell {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.download-actions {
  justify-content: center;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}

.download-proof {
  justify-content: center;
  margin-bottom: 18px;
}

.download-proof .proof-chip {
  min-width: auto;
  padding: 10px 14px;
}

.privacy-grid {
  display: grid;
  gap: 20px;
  max-width: 880px;
  margin: 0 auto;
}

.privacy-grid .flow-card {
  padding: 28px;
}

.privacy-grid .feature-points {
  margin-top: 14px;
}

.offer-card {
  padding: 26px;
  display: grid;
  gap: 16px;
}

.offer-price {
  font-size: clamp(3rem, 8vw, 4.4rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.offer-list {
  gap: 10px;
}

.site-footer {
  padding: 0 0 32px;
}

.footer-compact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
}

.footer-compact .logo {
  font-size: 0.9rem;
}

.footer-compact .footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-compact .footer-links a {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-compact .footer-links a:hover {
  color: var(--text);
}

.footer-compact .footer-legal {
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.6;
}

/* ═══ Signup Modal ═══ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(2, 5, 10, 0.8);
  backdrop-filter: blur(8px);
  place-items: center;
}

.modal-overlay.open {
  display: grid;
}

.modal-card {
  max-width: 420px;
  width: calc(100% - 32px);
  padding: 32px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
  text-align: center;
  position: relative;
}

.modal-card h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.modal-card > p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 1.2rem;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.signup-form {
  display: flex;
  gap: 8px;
}

.signup-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.95rem;
  outline: none;
}

.signup-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.signup-form .btn {
  white-space: nowrap;
}

.modal-status {
  margin-top: 12px;
  font-size: 0.88rem;
  min-height: 1.4em;
}

.modal-fine {
  display: block;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  opacity: 0.6;
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .feature-grid,
  .flow-grid,
  .support-grid,
  .mini-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .feature-card-wide,
  .feature-card-flip {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .support-hero-grid,
  .signal-grid,
  .garmin-grid,
  .games-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .support-hero-grid {
    min-height: auto;
  }

  .panel-metrics,
  .panel-sync,
  .app-badge {
    position: static;
    margin-top: 16px;
    max-width: none;
  }

  .device-card {
    padding: 20px;
  }
}

@media (max-width: 820px) {
  .site-header {
    padding: 6px 0;
  }

  .nav-shell {
    position: relative;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 20px;
    align-items: center;
  }

  .mobile-menu-toggle {
    display: inline-block;
  }

  .header-ctas {
    display: none;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px;
    border-radius: 24px;
    background: rgba(8, 14, 22, 0.96);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }
}

@media (max-width: 680px) {
  .section {
    padding: 68px 0;
  }

  .hero {
    padding-top: 0;
    padding-bottom: 20px;
  }

  .container {
    width: min(var(--container), calc(100% - 18px));
  }

  .hero-grid {
    gap: 22px;
  }

  .feature-grid,
  .flow-grid,
  .support-grid,
  .mini-cards {
    grid-template-columns: 1fr;
  }

  .feature-card-wide,
  .feature-card-flip {
    grid-template-columns: 1fr;
  }

  .btn,
  .download-actions .btn,
  .hero-actions .btn {
    width: 100%;
  }

  .hero-copy h1 {
    margin: 8px 0 12px;
    gap: 12px;
    font-size: clamp(2.1rem, 8.6vw, 2.85rem);
    line-height: 1.04;
    white-space: normal;
    display: block;
    text-wrap: balance;
  }

  .hero-logo-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: block;
    margin: 0 auto 10px;
  }

  .hero-lead {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .hero-actions {
    margin: 18px 0 20px;
    gap: 10px;
  }

  .hero-proof {
    gap: 10px;
  }

  .proof-chip {
    width: 100%;
    justify-content: center;
    padding: 11px 12px;
  }

  .device-card {
    padding: 14px;
    border-radius: 24px;
  }

  .device-frame {
    border-radius: 16px;
  }

  .device-badges {
    gap: 10px;
  }

  .device-badge {
    padding: 12px 14px;
  }

  .video-section {
    padding-top: 30px;
  }

  .video-copy {
    padding: 0;
  }

  .video-copy h2 {
    margin: 10px 0 10px;
    font-size: clamp(1.9rem, 8vw, 2.5rem);
  }

  .video-bullets {
    gap: 12px;
    margin-top: 18px;
  }

  .video-shell {
    padding: 14px;
    border-radius: 24px;
  }

  .video-placeholder {
    min-height: 280px;
    padding: 22px 18px;
    border-radius: 18px;
  }

  .video-placeholder-icon {
    width: 60px;
    height: 60px;
    font-size: 1.25rem;
  }

  .proof-chip,
  .signal-item,
  .feature-card,
  .support-card,
  .flow-card,
  .garmin-card,
  .download-shell,
  .offer-card,
  .faq-item {
    border-radius: 20px;
  }

  .watch-shell {
    width: 100%;
  }

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