/* ============================================================
   Boloo — Landing page
   Palette "Industrial Vitality" (cf. mobile/lib/core/boloo_colors.dart)
   Mobile-first, sans framework.
   ============================================================ */

:root {
  --primary: #855300;
  --primary-amber: #f59e0b;
  --on-primary-container: #613b00;
  --secondary: #555f6f;
  --secondary-container: #d6e0f3;
  --tertiary: #006591;
  --tertiary-light: #42bbff;
  --surface: #f8f9fa;
  --surface-2: #ffffff;
  --ink: #1c1b18;
  --ink-soft: #4a4641;
  --line: #e7e3dc;
  --success: #2e7d32;
  --warning: #e65100;
  --error: #ba1a1a;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(28, 27, 24, 0.06), 0 2px 8px rgba(28, 27, 24, 0.05);
  --shadow-md: 0 6px 24px rgba(28, 27, 24, 0.10);
  --shadow-lg: 0 18px 50px rgba(133, 83, 0, 0.18);

  --container: 1140px;
  --space: clamp(3.5rem, 8vw, 7rem);

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; }
p { margin: 0 0 1rem; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--primary); color: #fff; padding: .75rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--tertiary); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}
.container--narrow { max-width: 800px; }

.section { padding: var(--space) 0; }
.section--alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.section--brand {
  background: linear-gradient(135deg, var(--primary) 0%, #6b4300 60%, var(--on-primary-container) 100%);
  color: #fff;
}

.section-head { max-width: 640px; margin: 0 auto clamp(2rem, 5vw, 3.5rem); text-align: center; }
.section-sub { color: var(--ink-soft); font-size: 1.075rem; }
.section--brand .section-sub { color: rgba(255,255,255,.85); }

.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); margin: 0 0 .6rem;
}

h1 { font-size: clamp(2.05rem, 6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
.hl { color: var(--primary-amber); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.25rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; cursor: pointer;
  border: 1.5px solid transparent; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: .95rem 1.7rem; font-size: 1.02rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--on-primary-container); box-shadow: var(--shadow-md); }

.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: rgba(133,83,0,.07); }

.btn-ghost { color: var(--ink); }
.btn-ghost:hover { color: var(--primary); }

.section--brand .btn-outline { border-color: rgba(255,255,255,.7); color: #fff; }
.section--brand .btn-outline:hover { background: rgba(255,255,255,.12); }
.section--brand .btn-primary { background: #fff; color: var(--primary); }
.section--brand .btn-primary:hover { background: var(--secondary-container); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248,249,250,.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1rem; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; }
.brand-logo { border-radius: 9px; }
.brand-name { font-size: 1.25rem; letter-spacing: -0.03em; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 1.4rem; }
.main-nav a { font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.main-nav a:hover { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: .6rem; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  background: none; border: 0; cursor: pointer; padding: 10px; margin-left: auto;
}
.nav-toggle span { height: 2.5px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-nav { border-top: 1px solid var(--line); background: var(--surface-2); }
.mobile-nav ul { display: flex; flex-direction: column; padding: .75rem 1rem 1.25rem; gap: .25rem; }
.mobile-nav a { display: block; padding: .85rem .5rem; font-weight: 600; border-radius: var(--radius-sm); }
.mobile-nav a:hover { background: var(--surface); }
.mobile-nav .btn { margin-top: .5rem; }

/* ---------- Hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 var(--space); overflow: hidden; }
.hero-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 36ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 1.25rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; color: var(--ink-soft); font-weight: 600; font-size: .92rem; }
.hero-points li { display: flex; align-items: center; gap: .45rem; }
.hero-points li::before { content: "✓"; color: var(--success); font-weight: 800; }

/* Hero visual: phone mockup */
.hero-visual { display: flex; justify-content: center; }
.phone {
  width: min(320px, 82vw); aspect-ratio: 9 / 18.5;
  background: #1c1b18; border-radius: 38px; padding: 12px;
  box-shadow: var(--shadow-lg); position: relative;
}
.phone::before {
  content: ""; position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 38%; height: 18px; background: #1c1b18; border-radius: 0 0 14px 14px; z-index: 2;
}
.phone-screen {
  height: 100%; background: linear-gradient(180deg, #fff 0%, var(--surface) 100%);
  border-radius: 28px; padding: 1.1rem .9rem; display: flex; flex-direction: column; gap: .7rem; overflow: hidden;
}
.app-bar { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--primary); padding: .3rem .2rem .5rem; }
.app-card {
  display: flex; align-items: center; gap: .6rem;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: .7rem .8rem; box-shadow: var(--shadow-sm);
}
.app-card strong { display: block; font-size: .82rem; }
.app-card small { color: var(--ink-soft); font-size: .72rem; }
.app-card--accent { border-color: rgba(46,125,50,.35); background: rgba(46,125,50,.06); }
.app-card--soft { background: var(--secondary-container); border-color: transparent; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot--ok { background: var(--success); }
.dot--plan { background: var(--primary-amber); }
.dot--done { background: var(--error); }
.timer { margin-left: auto; font-weight: 800; color: var(--success); font-variant-numeric: tabular-nums; }
.chip { margin-left: auto; background: var(--tertiary); color: #fff; font-size: .72rem; font-weight: 700; padding: .2rem .55rem; border-radius: 999px; }

/* ---------- Strip ---------- */
.strip { background: var(--on-primary-container); color: #fff; }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.4rem; padding: 1rem 0; }
.strip-inner > span { font-weight: 700; opacity: .9; }
.strip-inner ul { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; }
.strip-inner li { font-weight: 600; opacity: .92; }
.strip-inner li::before { content: "•"; margin-right: .6rem; color: var(--primary-amber); }

/* ---------- Grids / cards ---------- */
.grid { display: grid; gap: 1.1rem; }
.card {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-amber); }

.feature-icon {
  width: 48px; height: 48px; display: grid; place-items: center;
  font-size: 1.5rem; border-radius: 12px;
  background: var(--secondary-container); margin-bottom: 1rem;
}
.feature p, .role p { color: var(--ink-soft); margin: 0; font-size: .95rem; }

/* ---------- Steps ---------- */
.steps { display: grid; gap: 1.1rem; counter-reset: step; }
.step { position: relative; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.75rem 1.5rem; box-shadow: var(--shadow-sm); }
.step-num {
  display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: .9rem;
  background: var(--primary); color: #fff; font-weight: 800; border-radius: 50%; font-size: 1.1rem;
}
.step p { color: var(--ink-soft); margin: 0; }

/* ---------- Benefits ---------- */
.benefits { display: grid; gap: clamp(2rem,5vw,3rem); align-items: center; }
.benefit-list { display: grid; gap: .9rem; }
.benefit-list li { padding-left: 1.9rem; position: relative; color: rgba(255,255,255,.92); }
.benefit-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 1.4rem; height: 1.4rem; background: var(--primary-amber); color: var(--on-primary-container);
  display: grid; place-items: center; border-radius: 50%; font-size: .8rem; font-weight: 800;
}
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.stat { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); padding: 1.25rem; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: #fff; }
.stat-label { color: rgba(255,255,255,.82); font-size: .85rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .75rem; }
.faq-item { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 1.25rem; box-shadow: var(--shadow-sm); }
.faq-item summary {
  cursor: pointer; list-style: none; font-weight: 700; padding: 1.1rem 0; display: flex;
  align-items: center; justify-content: space-between; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--primary); font-weight: 700; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--ink-soft); padding: 0 0 1.1rem; margin: 0; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; }
.cta-box {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(2.25rem, 6vw, 4rem); box-shadow: var(--shadow-md); max-width: 760px;
}
.cta-box .hero-cta { justify-content: center; margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.78); padding: clamp(2.5rem,6vw,4rem) 0 1.5rem; }
.footer-grid { display: grid; gap: 2rem; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { margin-top: .75rem; max-width: 30ch; }
.footer-col h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-col ul { display: grid; gap: .55rem; }
.footer-col a { color: rgba(255,255,255,.78); transition: color .2s; }
.footer-col a:hover { color: var(--primary-amber); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2.5rem; padding-top: 1.5rem; font-size: .85rem; color: rgba(255,255,255,.6); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive — tablette & desktop
   ============================================================ */
@media (min-width: 640px) {
  .grid.features { grid-template-columns: repeat(2, 1fr); }
  .grid.roles { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (min-width: 960px) {
  .grid.features { grid-template-columns: repeat(4, 1fr); }
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .benefits { grid-template-columns: 1.1fr .9fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile nav switch */
@media (max-width: 860px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }
}

/* Respecte les préférences de réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}