:root {
  color-scheme: dark;
  --night: #07111b;
  --night-2: #0b1926;
  --snow: #f4f7f5;
  --mist: #a8b6c1;
  --ice: #bcecff;
  --signal: #ff542e;
  --signal-soft: #ff8a6d;
  --line: rgba(226, 240, 246, 0.16);
  --panel: rgba(13, 29, 42, 0.78);
  --radius: 18px;
  --font-display: "Manrope", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--snow);
  background:
    radial-gradient(circle at 80% 3%, rgba(21, 102, 148, 0.28), transparent 28rem),
    linear-gradient(180deg, #07111b 0%, #0a1722 42%, #07111b 100%);
  font-family: "Manrope", "Helvetica Neue", sans-serif;
  line-height: 1.5;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
h1, h2, h3, .feature-title { text-wrap: balance; }
main { position: relative; z-index: 1; }

.site-header {
  position: fixed;
  z-index: 10;
  top: 18px;
  left: 50%;
  width: min(1180px, calc(100% - 36px));
  min-height: 62px;
  padding: 10px 12px 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(7, 17, 27, .72);
  box-shadow: 0 14px 50px rgba(0,0,0,.24);
  backdrop-filter: blur(18px) saturate(1.25);
}
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark { width: 36px; height: 36px; }
.logo-word { font-family: var(--font-display); font-size: .88rem; font-weight: 800; letter-spacing: .075em; }
.site-nav { display: flex; align-items: center; gap: 28px; color: var(--mist); font-size: .84rem; font-weight: 600; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: white; }

.button {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 100px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button.primary, .button.small { color: white; background: var(--signal); box-shadow: 0 10px 32px rgba(255,84,46,.22); }
.button.small { min-height: 42px; padding: 0 18px; font-size: .82rem; }
.button:hover { background: #ff6a49; box-shadow: 0 14px 36px rgba(255,84,46,.34); }
.text-link { display: inline-flex; gap: 10px; align-items: center; color: var(--mist); font-weight: 600; }
.text-link span { color: var(--signal); }

.hero {
  position: relative;
  min-height: 100svh;
  padding: 130px max(24px, calc((100vw - 1240px) / 2)) 68px;
  display: grid;
  grid-template-columns: minmax(320px, .82fr) minmax(500px, 1.18fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  background: linear-gradient(transparent, var(--night-2));
  pointer-events: none;
}
.hero-content, .hero-visual { position: relative; z-index: 1; min-width: 0; }
.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .69rem;
  font-weight: 500;
  color: var(--signal-soft);
}
.eyebrow { margin-bottom: 20px; }
.hero h1 {
  max-width: 8ch;
  margin-bottom: 26px;
  font-family: var(--font-display);
  font-size: clamp(4rem, 6.4vw, 7rem);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.055em;
  text-transform: uppercase;
}
.lead { max-width: 33rem; margin-bottom: 34px; color: #c4d0d7; font-size: clamp(1.05rem, 1.4vw, 1.28rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
html[lang="fr"] .hero h1 { font-size: clamp(4rem, 4.8vw, 5rem); }
.hero-collage { position: relative; }
.hero-image { width: 100%; object-fit: cover; }
.hero .hero-image {
  aspect-ratio: 4 / 5;
  max-height: 76vh;
  object-position: center bottom;
  border-radius: var(--radius);
  border: 1px solid rgba(222,241,249,.26);
  box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 80px rgba(66,168,214,.12);
}

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 110px 0; scroll-margin-top: 100px; }
.section-header { max-width: 830px; margin-bottom: 52px; }
.section h2 {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5.4rem);
  font-weight: 800;
  line-height: .96;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
.section-lead { max-width: 42rem; color: var(--mist); font-size: 1.08rem; line-height: 1.65; }

#product { width: 100%; padding-inline: max(24px, calc((100vw - 1180px) / 2)); background: var(--night-2); }
.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.media-card { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #0b1823; }
.media-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(transparent 45%, rgba(4,11,17,.96) 84%); }
.media-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.media-card:hover img { transform: scale(1.035); }
.media-card-body { position: absolute; z-index: 1; right: 0; bottom: 0; left: 0; padding: 26px; }
.media-card h3 { margin-bottom: 7px; font-size: 1.45rem; line-height: 1.1; }
.media-card p { color: #b5c2ca; font-size: .92rem; }

.split { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(42px, 7vw, 96px); align-items: center; }
.split > * { min-width: 0; }
#platform { position: relative; padding-top: 70px; }
#platform::before { content: "META / GOOGLE / APPLE"; position: absolute; top: 82px; right: 0; color: rgba(188,236,255,.07); font-family: var(--font-display); font-size: clamp(3rem, 7vw, 6rem); white-space: nowrap; }
.platform-card { min-height: 560px; border: 1px solid var(--line); border-radius: var(--radius); background: url("images/illustrations/vanguard.avif") center / cover no-repeat; box-shadow: 0 36px 80px rgba(0,0,0,.38); }
.device-trust-note {
  max-width: 42rem;
  margin-top: 28px;
  padding: 16px 18px;
  display: grid;
  gap: 4px;
  background: rgba(188, 236, 255, .06);
  color: var(--mist);
  font-size: .86rem;
  line-height: 1.55;
}
.device-trust-note strong { color: var(--snow); font-size: .9rem; }

#offpiste { width: 100%; padding: 0; background: #111b23; }
#offpiste .split { position: relative; grid-template-columns: 1.35fr .65fr; gap: 0; }
.offpiste-media { position: relative; min-height: 720px; overflow: hidden; }
.offpiste-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 55%, #111b23 100%); }
.offpiste-video { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.offpiste-text { position: relative; z-index: 2; max-width: 470px; padding: 70px 54px 70px 0; }
.offpiste-text h2 { color: var(--snow); }

#features { display: block; }
.group-title {
  margin: 52px 0 16px;
  color: var(--ice);
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.feature-lines {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.feature-line {
  min-height: 138px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
  border: 1px solid rgba(188, 236, 255, .24);
  border-radius: 14px;
  background: rgba(188, 236, 255, .12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025);
}
.feature-title {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}
.feature-title::before {
  content: "";
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  background: center / contain no-repeat;
}
.feature-title[data-i18n="features.social.findFriends.title"]::before { background-image: url("images/icons/location.svg"); }
.feature-title[data-i18n="features.social.dynamicGroups.title"]::before { background-image: url("images/icons/groups.svg"); }
.feature-title[data-i18n="features.navigation.smartNavigation.title"]::before { background-image: url("images/icons/navigation.svg"); }
.feature-title[data-i18n="features.navigation.liftWait.title"]::before { background-image: url("images/icons/wait.svg"); }
.feature-title[data-i18n="features.navigation.offPiste.title"]::before { background-image: url("images/icons/offpiste.svg"); }
.feature-title[data-i18n="features.navigation.refuges.title"]::before { background-image: url("images/icons/refuge.svg"); }
.feature-title[data-i18n="features.conditions.status.title"]::before { background-image: url("images/icons/lift.svg"); }
.feature-title[data-i18n="features.conditions.notifications.title"]::before { background-image: url("images/icons/notification.svg"); }
.feature-title[data-i18n="features.conditions.weather.title"]::before { background-image: url("images/icons/weather.svg"); }
.feature-title[data-i18n="features.conditions.bulletin.title"]::before { background-image: url("images/icons/bulletin.svg"); }
.feature-title[data-i18n="features.conditions.localRisk.title"]::before { background-image: url("images/icons/localRisk.svg"); }
.feature-title[data-i18n="features.performance.stats.title"]::before { background-image: url("images/icons/performance.svg"); }
.feature-title[data-i18n="features.performance.analysis.title"]::before { background-image: url("images/icons/analysis.svg"); }
.feature-title[data-i18n="features.media.memories.title"]::before { background-image: url("images/icons/memories.svg"); }
.feature-title[data-i18n="features.media.livestream.title"]::before { background-image: url("images/icons/livestream.svg"); }
.feature-title[data-i18n="features.media.webcams.title"]::before { background-image: url("images/icons/webcams.svg"); }
.feature-title[data-i18n="features.media.satellite.title"]::before { background-image: url("images/icons/satellite.svg"); }
.feature-title[data-i18n="features.media.culture.title"]::before { background-image: url("images/icons/culture.svg"); }
.feature-desc { color: var(--mist); font-size: .9rem; line-height: 1.55; }

.waitlist { width: min(1180px, calc(100% - 48px)); padding: 70px 0 30px; }
.waitlist-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.4fr .6fr; gap: 40px; align-items: center; padding: clamp(34px, 7vw, 82px); border-radius: 24px; background: var(--snow); color: var(--night); }
.waitlist-card .eyebrow { color: #d83917; }
.waitlist-card .section-lead { color: #50606b; }
.waitlist-actions { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 13px; }
.fine-print { color: #57646c; font-family: "IBM Plex Mono", monospace; font-size: .66rem; letter-spacing: .12em; text-align: center; }

.site-footer { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 28px 0 52px; display: flex; justify-content: space-between; align-items: center; gap: 30px; border-top: 1px solid var(--line); color: var(--mist); font-size: .82rem; }
.footer-brand, .footer-meta { display: flex; align-items: center; gap: 16px; }
.footer-brand .logo-mark { width: 28px; height: 28px; }
.footer-link { text-decoration: underline; text-underline-offset: 3px; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); transition-delay: var(--delay, 0s); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 140px; }
  .hero h1 { max-width: 10ch; }
  .hero-visual { width: min(680px, 100%); justify-self: center; }
  .hero .hero-image { aspect-ratio: 1 / 1; max-height: none; border-radius: var(--radius); }
  .grid.three, .split { grid-template-columns: 1fr; }
  .platform-card { min-height: 500px; }
  #offpiste .split { grid-template-columns: 1fr; }
  .offpiste-media { min-height: 560px; }
  .offpiste-media::after { background: linear-gradient(transparent 60%, #111b23 100%); }
  .offpiste-text { margin: -90px auto 0; padding: 30px 24px 90px; }
  .waitlist-card { grid-template-columns: 1fr; }
  .waitlist-actions { align-items: flex-start; }
}

@media (max-width: 640px) {
  .site-header { top: 10px; width: calc(100% - 20px); }
  .logo-word { font-size: .78rem; }
  .button.small { min-height: 38px; padding-inline: 14px; }
  .hero { min-height: auto; padding: 116px 18px 70px; gap: 50px; }
  .hero h1 { font-size: clamp(3rem, 12.5vw, 4rem); }
  html[lang="fr"] .hero h1 { font-size: clamp(2.75rem, 11.5vw, 3.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero .hero-image { aspect-ratio: 4 / 5; border-radius: var(--radius); }
  .section, .waitlist, .site-footer { width: calc(100% - 36px); }
  .section { padding: 82px 0; }
  .section h2 { font-size: clamp(2.5rem, 13vw, 4rem); }
  #product { width: 100%; padding-inline: 18px; }
  .grid.three { gap: 14px; }
  .feature-lines { grid-template-columns: 1fr; }
  .feature-line { min-height: 0; }
  .media-card img { aspect-ratio: 1 / 1; }
  .platform-card { min-height: 420px; }
  .offpiste-media { min-height: 480px; }
  .waitlist-card { padding: 34px 24px; }
  .site-footer, .footer-meta { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .button, .media-card img { transition: none; }
}