/* ============================================
   ALBA STUDIO — Landing
   Design tokens
   ============================================ */

:root {
  /* Palette — Studio (default) */
  --bg: #0E1729;
  --bg-2: #131D34;
  --bg-3: #1A2540;
  --surface: #FAF6EC;
  --surface-2: #F2EBDA;
  --ink: #0B1224;
  --ink-2: #2A3553;
  --muted: #5D6880;
  --muted-2: #4C5670;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --line-dark: rgba(15, 24, 48, 0.10);

  /* Text on dark (--bg) surfaces — flips in light/crème modes */
  --on-bg: #F2EBDA;
  --on-bg-rgb: 242, 235, 218;
  /* Text on accent surfaces (buttons, chips) */
  --accent-contrast: #1A1407;

  --accent: #C9A86A;       /* or */
  --accent-2: #E2C58A;
  --accent-soft: rgba(201, 168, 106, 0.12);
  --accent-line: rgba(201, 168, 106, 0.32);

  --terracotta: #C97E5C;
  --sapin: #2F4A3A;

  /* Type */
  --font-display: "Cormorant Garamond", "Fraunces", Georgia, serif;
  --font-sans: "Geist", "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  /* Spacing scale */
  --section-y: 120px;
  --container: 1240px;
  --container-wide: 1480px;
  --gutter: 32px;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --shadow-soft: 0 1px 2px rgba(11, 18, 36, 0.04), 0 8px 24px rgba(11, 18, 36, 0.06);
  --shadow-card: 0 1px 2px rgba(11, 18, 36, 0.06), 0 24px 60px -20px rgba(11, 18, 36, 0.18);
  --shadow-deep: 0 30px 80px -30px rgba(0,0,0,0.55);
}

/* Density tweak */
[data-density="dense"] {
  --section-y: 88px;
}
[data-density="airy"] {
  --section-y: 160px;
}

/* Theme: light — full flip, overrides palettes (higher specificity, after palettes) */

/* Palette swap */
[data-palette="sapin"] {
  --bg: #1A2A22;
  --bg-2: #213328;
  --bg-3: #2A4032;
  --accent: #D9C28E;
  --accent-2: #E8D4A6;
  --accent-soft: rgba(217, 194, 142, 0.12);
  --accent-line: rgba(217, 194, 142, 0.32);
}
[data-palette="terracotta"] {
  --bg: #2A1A14;
  --bg-2: #361F18;
  --bg-3: #44261C;
  --accent: #E0A789;
  --accent-2: #EBBFA6;
  --accent-soft: rgba(224, 167, 137, 0.12);
  --accent-line: rgba(224, 167, 137, 0.32);
}
[data-palette="creme"] {
  --bg: #F5EFDE;
  --bg-2: #EFE7D1;
  --bg-3: #E4DABE;
  --accent: #8F6E33;
  --accent-2: #75591F;
  --accent-soft: rgba(143, 110, 51, 0.10);
  --accent-line: rgba(143, 110, 51, 0.35);
  --accent-contrast: #FFF9EA;
  --on-bg: #131C33;
  --on-bg-rgb: 19, 28, 51;
  --line: rgba(11, 18, 36, 0.08);
  --line-strong: rgba(11, 18, 36, 0.2);
}

body[data-theme="light"] {
  --bg: #F3EDDC;
  --bg-2: #ECE4CE;
  --bg-3: #E2D7BC;
  --accent: #96712F;
  --accent-2: #7C5D26;
  --accent-soft: rgba(150, 113, 47, 0.10);
  --accent-line: rgba(150, 113, 47, 0.35);
  --accent-contrast: #FFF9EA;
  --on-bg: #131C33;
  --on-bg-rgb: 19, 28, 51;
  --line: rgba(11, 18, 36, 0.08);
  --line-strong: rgba(11, 18, 36, 0.2);
}

/* ============================================
   Reset
   ============================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
.btn:hover, .brand:hover, .nav-links a:hover, .foot-col a:hover { color: inherit; }
.nav-links a:hover { color: var(--on-bg); }
.foot-col a:hover { color: var(--accent); }
button { font: inherit; color: inherit; cursor: pointer; }

/* Selection + scrollbar in brand colors */
::selection {
  background: var(--accent);
  color: #1A1407;
}
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: #0A0F1E; }
::-webkit-scrollbar-thumb {
  background: #2A3553;
  border-radius: 6px;
  border: 3px solid #0A0F1E;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Keyboard focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================
   Type
   ============================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-feature-settings: "ss01", "lnum";
}
.display em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

[data-typo="sans"] .display {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.04em;
}
[data-typo="sans"] .display em {
  font-style: normal;
  font-weight: 500;
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  position: relative;
}

.section {
  padding: var(--section-y) 0;
}

.section-dark {
  background: var(--bg);
  color: var(--on-bg);
}

.section-cream {
  background: var(--surface);
  color: var(--ink);
}

.section-cream-2 {
  background: var(--surface-2);
  color: var(--ink);
}

/* Custom cursor — no mix-blend-mode (GPU blending over the whole page is expensive) */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #C9A86A;
  transition: width .2s ease, height .2s ease, background .2s;
}
.cursor-ring {
  width: 28px; height: 28px;
  border: 1px solid rgba(201, 168, 106, 0.55);
  border-radius: 50%;
  transition: width .25s cubic-bezier(.2,.8,.2,1), height .25s cubic-bezier(.2,.8,.2,1), background .25s, border-color .25s;
}
.cursor-ring.hover {
  width: 56px; height: 56px;
  background: rgba(201, 168, 106, 0.15);
  border-color: rgba(201, 168, 106, 0.8);
}
.cursor-dot.hover { width: 4px; height: 4px; }

@media (max-width: 900px), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ============================================
   Reveal animation
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
/* Fondu sortant : quand on remonte, la sortie est rapide et sans délai échelonné */
.reveal:not(.in) {
  transition-duration: .45s, .45s;
  transition-delay: 0ms;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), background .25s, color .25s, border-color .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 12px 30px -10px rgba(201, 168, 106, 0.6);
}
.btn-ghost {
  background: transparent;
  color: inherit;
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: currentColor;
  transform: translateY(-1px);
}
.btn-cream {
  background: #F2EBDA;
  color: #0E1729;
  border-color: #F2EBDA;
}
.btn-cream:hover { background: #fff; border-color: #fff; transform: translateY(-1px); }

.btn-arrow {
  transition: transform .3s cubic-bezier(.2,.8,.2,1);
}
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============================================
   Nav
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--on-bg);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: #fff;
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.brand-mark img {
  width: 74%;
  height: 74%;
  object-fit: contain;
  display: block;
}
.nav-links {
  display: flex; gap: 28px;
  font-size: 13px;
  color: rgba(var(--on-bg-rgb), 0.75);
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-links a:hover { color: var(--on-bg); }
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s ease;
}
.nav-links a:hover::after { width: 100%; }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* Burger (mobile only) */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0 10px;
  transition: border-color .25s;
}
.nav-burger span {
  display: block;
  height: 1.5px;
  background: var(--on-bg);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .25s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }
@media (max-width: 820px) {
  .nav-burger { display: flex; }
  #nav-cta { display: none; }
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 15, 30, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.mobile-menu-links a {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #F2EBDA;
  padding: 8px 20px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s, transform .5s cubic-bezier(.2,.8,.2,1), color .25s;
}
.mobile-menu.open .mobile-menu-links a {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.open .mobile-menu-links a:nth-child(1) { transition-delay: .06s; }
.mobile-menu.open .mobile-menu-links a:nth-child(2) { transition-delay: .12s; }
.mobile-menu.open .mobile-menu-links a:nth-child(3) { transition-delay: .18s; }
.mobile-menu.open .mobile-menu-links a:nth-child(4) { transition-delay: .24s; }
.mobile-menu.open .mobile-menu-links a:nth-child(5) { transition-delay: .3s; }
.mobile-menu.open .mobile-menu-links a:nth-child(6) { transition-delay: .36s; }
.mobile-menu-links a:hover { color: var(--accent); }
.mobile-menu-cta {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s .42s, transform .5s .42s cubic-bezier(.2,.8,.2,1);
}
.mobile-menu.open .mobile-menu-cta {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Decorative bits
   ============================================ */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(var(--on-bg-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--on-bg-rgb), 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
  pointer-events: none;
}

.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-line);
}

.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* utility */
.row { display: flex; align-items: center; gap: 16px; }
.col { display: flex; flex-direction: column; }
.center { text-align: center; }

/* ============================================
   Liseret français — touches tricolores discrètes
   ============================================ */
.liseret-top {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 300;
  background: linear-gradient(90deg,
    #2B4C9B 0 33.4%,
    #EDE6D4 33.4% 66.7%,
    #C74A4A 66.7% 100%);
  opacity: 0.9;
  pointer-events: none;
}
.fr-flag {
  display: inline-block;
  width: 16px;
  height: 11px;
  border-radius: 2px;
  vertical-align: -1px;
  background: linear-gradient(90deg,
    #2B4C9B 0 33.4%,
    #EDE6D4 33.4% 66.7%,
    #C74A4A 66.7% 100%);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}
.liseret-under {
  display: block;
  width: 44px;
  height: 2px;
  border-radius: 999px;
  margin-top: 10px;
  background: linear-gradient(90deg,
    #2B4C9B 0 33.4%,
    #EDE6D4 33.4% 66.7%,
    #C74A4A 66.7% 100%);
  opacity: 0.75;
}


/* ============================================
   MOBILE EXPERIENCE — global overrides
   ============================================ */
@media (max-width: 720px) {
  :root {
    --section-y: 72px;
    --gutter: 20px;
  }
  [data-density="airy"] { --section-y: 92px; }
  [data-density="dense"] { --section-y: 60px; }

  /* Hero */
  .hero { padding-top: 108px; }
  .hero h1 { font-size: clamp(38px, 11vw, 52px); }
  .hero-sub { font-size: 15px; padding: 0 8px; }
  .hero-actions { flex-direction: column; width: 100%; padding: 0 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-meta { flex-wrap: wrap; gap: 10px 14px; justify-content: center; }
  .hero-meta .sep { display: none; }
  .hero-mockup-wrap { margin-top: 48px; }

  /* Section headers */
  .s-head { margin-bottom: 40px; }
  .s-head p { font-size: 15px; }

  /* Buttons: full-width comfort in CTA groups */
  .final-cta .actions { flex-direction: column; width: 100%; padding: 0 12px; }
  .final-cta .actions .btn { width: 100%; justify-content: center; }

  /* Marquee logos */
  .mq-item { font-size: 20px; margin-right: 40px; gap: 18px; }
  .mq-item.mono { font-size: 11px; }
  .logos-eyebrow { font-size: 20px; padding: 0 16px; }

  /* Grain off on mobile (perf) */
  .grain { display: none; }
}

/* Touch devices: disable hover-dependent niceties */
@media (pointer: coarse) {
  .grain { animation: none; opacity: 0.03; }
}


/* ============ Badges App Store / Google Play ============ */
.store-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.store-badge {
  display: inline-flex; align-items: center; gap: 9px;
  border-radius: 11px; padding: 8px 15px 8px 13px;
  text-decoration: none; transition: border-color .25s, background .25s, transform .25s;
}
.store-badge:hover { transform: translateY(-2px); }
.store-badge span { display: flex; flex-direction: column; line-height: 1.15; }
.store-badge i {
  font-style: normal; font-family: var(--font-mono);
  font-size: 8px; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.65;
}
.store-badge b { font-size: 13.5px; font-weight: 600; letter-spacing: -0.01em; }
.store-badges.light .store-badge {
  border: 1px solid rgba(11, 18, 36, 0.16); background: rgba(255, 255, 255, 0.7); color: var(--ink);
}
.store-badges.light .store-badge:hover { border-color: var(--accent); background: #fff; }
.store-badges.dark .store-badge {
  border: 1px solid rgba(242, 235, 218, 0.2); background: rgba(242, 235, 218, 0.05); color: #F2EBDA;
}
.store-badges.dark .store-badge:hover { border-color: var(--accent); background: rgba(242, 235, 218, 0.1); }
.store-note {
  flex-basis: 100%;
  margin: 4px 0 0;
  font-size: 11.5px;
  line-height: 1.5;
  max-width: 44ch;
}
.store-badges.dark .store-note { color: rgba(242, 235, 218, 0.72); }
.store-badges.light .store-note { color: rgba(11, 18, 36, 0.62); }
.foot-apps { margin-top: 26px; }
.foot-apps h5 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(242, 235, 218, 0.5); margin: 0;
}
.foot-apps .store-badges { margin-top: 12px; }
@media (max-width: 560px) { .store-badge { padding: 7px 13px 7px 11px; } .store-badge b { font-size: 12.5px; } }