:root {
  --ink: #08090a;
  --muted: #5d6570;
  --line: #e2e4e7;
  --paper: #ffffff;
  --soft: #f6f7f8;
  --soft-2: #eef1f3;
  --dark: #07080a;
  --accent: #101214;
  --radius: 8px;
  --shadow: 0 18px 50px rgba(8, 9, 10, .08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  overflow: hidden;
}

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 28px;
  background: rgba(255, 255, 255, .84);
  border-bottom: 1px solid rgba(226, 228, 231, .88);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.header-action {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--ink);
  border-radius: 2px;
}

.nav-links {
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(246, 247, 248, .7);
}

.nav-links a {
  padding: 8px 13px;
  border-radius: 999px;
  color: #3a4048;
  font-size: 14px;
  font-weight: 620;
}

.nav-links a:hover {
  background: #ffffff;
  box-shadow: 0 1px 5px rgba(8, 9, 10, .08);
}

.header-action,
.primary-button,
.secondary-button,
.scroll-cue {
  min-height: 42px;
  border-radius: 999px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 720;
  white-space: nowrap;
  cursor: pointer;
}

.header-action,
.primary-button {
  color: #fff;
  background: var(--ink);
}

.secondary-button,
.scroll-cue {
  color: var(--ink);
  background: #fff;
}

.snap-container {
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}

.snap-container::-webkit-scrollbar {
  display: none;
}

.panel {
  min-height: 100vh;
  height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 82px 42px 34px;
  overflow: hidden;
}

.hero-panel,
.offer-panel,
.payment-panel,
.contact-panel {
  background:
    linear-gradient(#f7f8f9 1px, transparent 1px),
    linear-gradient(90deg, #f7f8f9 1px, transparent 1px),
    #ffffff;
  background-size: 44px 44px;
}

.hero-grid {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(380px, 1.04fr);
  gap: 58px;
  align-items: center;
}

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

.eyebrow {
  margin: 0 0 15px;
  color: #626b76;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: .02em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  font-weight: 780;
  letter-spacing: 0;
}

h1 {
  max-width: 650px;
  font-size: clamp(52px, 5.35vw, 72px);
  line-height: .99;
}

h2 {
  max-width: 860px;
  font-size: clamp(38px, 4.4vw, 70px);
  line-height: .98;
}

p {
  letter-spacing: 0;
}

.hero-subtitle,
.section-heading p {
  max-width: 660px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero-visual {
  min-height: 440px;
  position: relative;
  display: grid;
  place-items: center;
}

.device-card {
  width: min(410px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--shadow);
}

.main-card {
  padding: 34px;
}

.mini-label {
  display: inline-flex;
  margin-bottom: 80px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #555d68;
  background: var(--soft);
  font-size: 12px;
  font-weight: 720;
  text-transform: uppercase;
}

.main-card strong {
  display: block;
  font-size: 36px;
  line-height: 1;
  letter-spacing: 0;
}

.main-card p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.45;
}

.floating-card {
  position: absolute;
  min-width: 144px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 12px 34px rgba(8, 9, 10, .08);
  color: #1e242b;
  font-size: 14px;
  font-weight: 740;
}

.card-one {
  top: 70px;
  right: 24px;
}

.card-two {
  bottom: 98px;
  left: 22px;
}

.card-three {
  right: 8px;
  bottom: 44px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #0b0d0f;
  box-shadow: 0 0 0 5px rgba(8, 9, 10, .08);
}

.scroll-cue {
  position: absolute;
  right: 34px;
  bottom: 28px;
  min-height: 38px;
  color: #3b424b;
  border-color: var(--line);
}

.section-shell {
  width: min(1180px, 100%);
}

.video-panel {
  background: var(--dark);
  color: #ffffff;
}

.video-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 28%, rgba(255, 255, 255, .12), transparent 27%),
    linear-gradient(180deg, rgba(255, 255, 255, .05), transparent 44%);
  pointer-events: none;
}

.dark-heading,
.video-frame {
  position: relative;
  z-index: 1;
}

.dark-heading h2,
.dark-heading .eyebrow {
  color: #ffffff;
}

.dark-heading p:not(.eyebrow) {
  color: #c8ced5;
}

.video-frame {
  margin-top: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, .16);
  background: #111418;
  padding: 10px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .35);
}

.video-frame video {
  width: 100%;
  max-height: 58vh;
  display: block;
  border-radius: 6px;
  background: #000;
}

.offer-layout {
  display: grid;
  gap: 26px;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pdf-card {
  min-height: 332px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  overflow: hidden;
  box-shadow: 0 10px 32px rgba(8, 9, 10, .05);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.pdf-card:hover {
  transform: translateY(-3px);
  border-color: #c5c9cf;
  box-shadow: var(--shadow);
}

.locked-card {
  position: relative;
  cursor: default;
}

.locked-card::after {
  content: "Réservé au pack";
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(8, 9, 10, .78);
  font-size: 12px;
  font-weight: 760;
  backdrop-filter: blur(10px);
}

.pdf-card img {
  width: 100%;
  height: 145px;
  display: block;
  object-fit: cover;
  filter: saturate(.92);
}

.pdf-card span,
.pdf-card strong,
.pdf-card p {
  display: block;
  margin-left: 20px;
  margin-right: 20px;
}

.pdf-card span {
  margin-top: 18px;
  color: #737b85;
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

.pdf-card strong {
  margin-top: 8px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: 0;
}

.pdf-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.product-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-strip article {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.product-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: #0c0d0e;
  font-size: 14px;
}

.product-strip strong {
  display: block;
  font-size: 16px;
  letter-spacing: 0;
}

.product-strip p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.payment-shell {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 54px;
  align-items: center;
}

.checkout-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 22px;
  box-shadow: var(--shadow);
}

.price-block {
  display: grid;
  gap: 6px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  text-align: center;
}

.price-block span {
  color: #69727d;
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

.price-block strong {
  color: var(--ink);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0;
}

.price-block p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.qr-code {
  width: 100%;
  max-width: 315px;
  display: block;
  margin: 20px auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.checkout-actions {
  display: flex;
  gap: 10px;
}

.checkout-actions > * {
  flex: 1;
}

.email-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 10px;
}

.email-form input {
  min-width: 0;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
  font-size: 14px;
  outline: none;
}

.email-form input:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(8, 9, 10, .08);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.copy-status {
  min-height: 20px;
  margin: 12px 0 0;
  color: #2f693f;
  font-size: 13px;
  text-align: center;
}

.contact-shell {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 58px;
  align-items: center;
}

.contact-copy h2 {
  max-width: 720px;
  font-size: clamp(54px, 7vw, 104px);
  line-height: .94;
}

.contact-grid {
  display: grid;
  gap: 14px;
}

.contact-card {
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 38px rgba(8, 9, 10, .06);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: #c5c9cf;
  box-shadow: var(--shadow);
}

.contact-card span {
  color: #69727d;
  font-size: 13px;
  font-weight: 780;
  text-transform: uppercase;
}

.contact-card strong {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.contact-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  font-size: 18px;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: currentColor;
}

.whatsapp-icon {
  color: #ffffff;
  background: #25d366;
}

.email-icon {
  background: #f2f4f6;
  border: 1px solid var(--line);
}

.progress-dots {
  position: fixed;
  z-index: 30;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 10px;
}

.dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 1px solid rgba(8, 9, 10, .46);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  cursor: pointer;
}

.dot.active {
  height: 28px;
  background: var(--ink);
  border-color: var(--ink);
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .site-header {
    height: 58px;
    padding: 0 14px;
  }

  .nav-links {
    display: none;
  }

  .header-action {
    min-height: 38px;
    padding: 0 13px;
  }

  .panel {
    height: auto;
    min-height: 100vh;
    padding: 82px 18px 28px;
  }

  .hero-grid,
  .payment-shell,
  .contact-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(40px, 11vw, 54px);
    line-height: 1;
  }

  .hero-subtitle,
  .section-heading p {
    font-size: 16px;
    line-height: 1.42;
  }

  .contact-card strong {
    font-size: 21px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .mini-label {
    margin-bottom: 44px;
  }

  .main-card strong {
    font-size: 30px;
  }

  .floating-card {
    position: static;
    margin-top: 10px;
  }

  .hero-visual {
    align-content: center;
    gap: 8px;
  }

  .offer-grid,
  .product-strip {
    grid-template-columns: 1fr;
  }

  .video-frame video {
    max-height: 52vh;
  }

  .progress-dots {
    display: none;
  }

  .scroll-cue {
    display: none;
  }

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

  .email-form {
    grid-template-columns: 1fr;
  }
}
