/* landing.css — porte d'entrée publique du hub (charte Flytex v1.2, DESIGN.md).
 * Palette fermée, orange = CTA uniquement. Motion : entrance one-shot
 * transform/opacity, reduced-motion = état final posé. Zéro JS. */

/* --- Typo bi-famille (pattern fonts.css du hub) --- */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap");

@font-face {
  font-family: "Montserrat";
  src: url("vendor/fonts/montserrat-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --canvas: #0A0A0A;
  --ink: #F7F7F8;
  --ink-muted: #C9C9CF;
  --ink-subtle: #8A8A92;
  --ink-tertiary: #5F5F66;
  --primary: #FF6601;
  --primary-hover: #FF7D2E;
  --primary-glow: rgba(255, 102, 1, 0.15);
  --on-primary: #FFFFFF;
  --hairline-subtle: #262626;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* --- Scène : panneau centré, footer en pied --- */
.door {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 0;
  overflow: hidden;
}

/* --- Fond : aura d'encre + dot-grid masquée en coin (écho hub S3c/S4) --- */
.door__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(247, 247, 248, 0.045), transparent 60%),
    radial-gradient(circle, rgba(247, 247, 248, 0.05) 1px, transparent 1px);
  background-size: auto, 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #0A0A0A 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #0A0A0A 30%, transparent 75%);
  pointer-events: none;
}

.door__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
}

/* --- Panneau --- */
.door__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 620px;
  flex: 1;
  justify-content: center;
}

.door__logo {
  width: 220px;
  height: auto;
  margin-bottom: 40px;
}

.door__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--ink-subtle);
}

.door__title {
  margin: 0 0 18px;
  font-family: "Montserrat", "Inter", sans-serif;
  font-weight: 800;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--ink);
}

.door__tagline {
  margin: 0 0 36px;
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 42ch;
}

/* --- CTA (button-primary de la charte) --- */
.door__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 180ms ease-out;
}

.door__cta:hover { background: var(--primary-hover); }

.door__cta:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--primary-glow);
}

.door__arrow {
  display: inline-block;
  transition: transform 180ms ease-out;
}

.door__cta:hover .door__arrow { transform: translateX(4px); }

.door__note {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--ink-subtle);
}

/* --- Footer --- */
.door__foot {
  position: relative;
  width: 100%;
  max-width: 620px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--hairline-subtle);
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-subtle);
}

/* --- Entrance one-shot (stagger, transform/opacity uniquement) --- */
@keyframes door-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.door__logo,
.door__eyebrow,
.door__title,
.door__tagline,
.door__cta,
.door__note,
.door__foot {
  animation: door-rise 360ms ease-out both;
}

.door__eyebrow { animation-delay: 70ms; }
.door__title   { animation-delay: 130ms; }
.door__tagline { animation-delay: 200ms; }
.door__cta     { animation-delay: 270ms; }
.door__note    { animation-delay: 340ms; }
.door__foot    { animation-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .door__logo, .door__eyebrow, .door__title, .door__tagline,
  .door__cta, .door__note, .door__foot {
    animation: none;
  }
  .door__cta, .door__arrow { transition: none; }
}

/* --- Mobile --- */
@media (max-width: 560px) {
  .door { padding: 32px 20px 0; }
  .door__logo { width: 170px; margin-bottom: 32px; }
  .door__tagline { font-size: 15px; margin-bottom: 30px; }
}