/* ==========================================================================
   Kairo Digital — feuille de style principale
   Palette : anthracite #0A0B12 / violet #8B5CF6 / cyan #22D3EE / texte #EEF0F6
   ========================================================================== */

:root{
  --bg: #0A0B12;
  --bg-2: #0F1119;
  --surface: #14161F;
  --surface-2: #191C27;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.14);
  --violet: #8B5CF6;
  --cyan: #22D3EE;
  --grad: linear-gradient(135deg, var(--violet), var(--cyan));
  --text: #EEF0F6;
  --muted: #9096AA;
  --muted-2: #6B7185;
  --white: #FFFFFF;
  --radius: 18px;
  --shadow: 0 30px 70px -30px rgba(0,0,0,.6);
  --glow: 0 0 0 1px rgba(139,92,246,.25), 0 20px 60px -20px rgba(139,92,246,.35);
  --font-head: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul, ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-head); font-weight:700; line-height:1.15; margin:0 0 .6em; color:var(--white); }
p{ margin:0 0 1em; }
.container{ width:100%; max-width:1160px; margin:0 auto; padding:0 24px; }
::selection{ background:rgba(139,92,246,.35); color:#fff; }

.skip-link{ position:absolute; left:-999px; top:0; background:var(--violet); color:#fff; padding:10px 16px; z-index:999; border-radius:0 0 8px 0; }
.skip-link:focus{ left:0; top:0; }

/* Grain / grid backdrop */
.section, .hero, .site-header, .site-footer{ position:relative; }
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 70%);
}

/* Buttons */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:13px 26px; border-radius:999px; font-weight:600; font-size:15px; font-family:inherit; background:none; border:1px solid transparent; cursor:pointer; transition:.2s ease; white-space:nowrap; }
.btn-lg{ padding:16px 32px; font-size:16px; }
.btn-nav{ padding:9px 22px; }
.btn-block{ width:100%; }
.btn-accent{ background:var(--grad); color:#0A0B12; font-weight:700; box-shadow:0 12px 30px -10px rgba(139,92,246,.55); }
.btn-accent:hover{ filter:brightness(1.08); transform:translateY(-1px); }
.btn-outline{ background:rgba(255,255,255,.03); border-color:var(--border-strong); color:#fff; }
.btn-outline:hover{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.3); }
.btn-primary{ background:var(--surface-2); color:#fff; border-color:var(--border-strong); }
.btn-primary:hover{ background:var(--surface); }

/* Header */
.site-header{ position:sticky; top:0; z-index:100; background:rgba(10,11,18,.75); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; gap:24px; }
.logo img{ height:58px; width:auto; }
.main-nav ul{ display:flex; gap:26px; }
.main-nav a{ font-weight:500; font-size:14.5px; color:var(--muted); transition:color .15s ease; }
.main-nav a:hover, .main-nav a.active{ color:#fff; }
.header-actions{ display:flex; align-items:center; gap:14px; }
.burger{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px; }
.burger span{ width:24px; height:2px; background:#fff; display:block; border-radius:2px; }
.mobile-nav{ display:none; }

@media (max-width: 960px){
  .main-nav{ display:none; }
  .burger{ display:flex; }
  .mobile-nav.open{ display:block; background:var(--bg-2); border-top:1px solid var(--border); }
  .mobile-nav ul{ display:flex; flex-direction:column; padding:16px 24px 24px; gap:16px; }
  .mobile-nav a{ font-weight:600; color:var(--text); font-size:16px; }
  .mobile-nav a.active{ color:var(--cyan); }
}

/* Hero */
.hero{ overflow:hidden; padding-top:8px; }
.hero-glow-a, .hero-glow-b{ position:absolute; border-radius:50%; filter:blur(90px); pointer-events:none; z-index:0; }
.hero-glow-a{ width:520px; height:520px; top:-220px; left:-120px; background:radial-gradient(circle, rgba(139,92,246,.45), transparent 70%); }
.hero-glow-b{ width:460px; height:460px; top:-140px; right:-160px; background:radial-gradient(circle, rgba(34,211,238,.35), transparent 70%); }
.hero-content{ position:relative; z-index:1; padding:120px 24px 90px; max-width:800px; }
.badge{ display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.04); border:1px solid var(--border-strong); color:var(--text); font-size:12.5px; font-weight:600; letter-spacing:.06em; padding:8px 16px; border-radius:999px; margin-bottom:26px; }
.badge::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--grad); box-shadow:0 0 10px rgba(139,92,246,.9); }
.hero h1{ font-size:clamp(34px, 5.2vw, 58px); margin-bottom:22px; letter-spacing:-.01em; }
.hero .accent{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-lead{ font-size:17.5px; color:var(--muted); max-width:620px; margin-bottom:36px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:16px; }

.hero-stats{ position:relative; z-index:1; border-top:1px solid var(--border); background:rgba(255,255,255,.015); }
.stats-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; padding:34px 24px; }
.stat{ text-align:center; border-left:1px solid var(--border); padding-left:24px; }
.stat:first-child{ border-left:none; padding-left:0; }
.stat-number{ display:block; font-family:var(--font-head); font-size:30px; font-weight:700; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat-number-sm{ font-size:22px; }
.stat-label{ font-size:13.5px; color:var(--muted); }
@media (max-width:720px){
  .stats-grid{ grid-template-columns:1fr; text-align:center; }
  .stat{ border-left:none; padding-left:0; border-top:1px solid var(--border); padding-top:18px; }
  .stat:first-child{ border-top:none; padding-top:0; }
}

/* Sections */
.section{ padding:100px 0; }
.section-tinted{ background:var(--bg-2); }
.section-dark{ background:#08090F; }
.section-head{ max-width:680px; margin:0 auto 56px; text-align:center; }
.section-lead{ color:var(--muted); font-size:16.5px; }
.eyebrow{ display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:14px; }

/* Intro */
.intro-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.intro-visual{ position:relative; aspect-ratio:4/3.2; border-radius:var(--radius); background:var(--surface); border:1px solid var(--border); overflow:hidden; box-shadow:var(--shadow); }
.intro-visual img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.intro-visual-tint{ position:absolute; inset:0; background:linear-gradient(160deg, rgba(139,92,246,.35), rgba(10,11,18,.15) 45%, rgba(34,211,238,.3)); mix-blend-mode:color; }
.check-list li{ position:relative; padding-left:28px; margin-bottom:12px; font-weight:500; color:var(--text); }
.check-list li::before{ content:"✓"; position:absolute; left:0; color:var(--cyan); font-weight:800; }
@media (max-width:860px){ .intro-grid{ grid-template-columns:1fr; gap:36px; } }

/* CTA banner */
.cta-banner{ margin-top:60px; background:var(--surface); border-radius:var(--radius); padding:34px 40px; box-shadow:0 20px 50px -30px rgba(0,0,0,.6); display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap; border:1px solid var(--border-strong); }
.cta-banner-title{ font-family:var(--font-head); font-weight:700; font-size:19px; color:#fff; margin:0 0 4px; }
.cta-banner-sub{ color:var(--muted); font-size:14.5px; margin:0; }
.cta-banner .btn{ flex:none; }
.cta-arrow{ display:inline-block; margin-left:6px; transition:transform .2s ease; }
.cta-banner a:hover .cta-arrow, .btn:hover .cta-arrow{ transform:translateX(4px); }
@media (max-width:640px){
  .cta-banner{ flex-direction:column; text-align:center; padding:28px 24px; margin-top:44px; }
  .cta-banner .btn{ width:100%; }
}

/* Cards */
.cards-grid{ display:grid; gap:24px; }
.cards-4{ grid-template-columns:repeat(4,1fr); }
.cards-3{ grid-template-columns:repeat(3,1fr); }
.card{ background:var(--surface); padding:32px 28px; border-radius:var(--radius); border:1px solid var(--border); transition:border-color .2s ease, transform .2s ease; }
.card:hover{ border-color:rgba(139,92,246,.4); transform:translateY(-3px); }
.card-icon{ width:44px; height:44px; border-radius:12px; background:var(--grad); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.card-icon svg{ width:22px; height:22px; color:#0A0B12; }
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ color:var(--muted); font-size:15px; margin:0; }
@media (max-width:980px){ .cards-4{ grid-template-columns:repeat(2,1fr); } .cards-3{ grid-template-columns:1fr; max-width:460px; margin:0 auto; } }
@media (max-width:640px){ .cards-4{ grid-template-columns:1fr; } }

/* Steps */
.steps{ display:grid; grid-template-columns:repeat(5,1fr); gap:22px; counter-reset:step; }
.step{ background:var(--surface); border-radius:var(--radius); padding:26px 22px; border:1px solid var(--border); }
.step-number{ display:inline-block; font-family:var(--font-head); font-weight:700; font-size:22px; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:12px; }
.step h3{ font-size:16.5px; margin-bottom:8px; }
.step p{ font-size:14px; color:var(--muted); margin:0; }
@media (max-width:980px){ .steps{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:640px){ .steps{ grid-template-columns:1fr; } }

/* Offres / tarifs */
.offers-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.offer-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px 26px; display:flex; flex-direction:column; transition:border-color .2s ease, transform .2s ease; }
.offer-card:hover{ border-color:rgba(34,211,238,.45); transform:translateY(-3px); }
.offer-name{ font-family:var(--font-head); font-weight:700; font-size:18px; color:#fff; margin-bottom:6px; }
.offer-price{ font-family:var(--font-head); font-weight:700; font-size:24px; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:18px; }
.offer-list{ flex:1; margin-bottom:24px; }
.offer-list li{ position:relative; padding-left:22px; margin-bottom:10px; font-size:14px; color:var(--muted); }
.offer-list li::before{ content:"—"; position:absolute; left:0; color:var(--cyan); }
.offer-card .btn{ align-self:flex-start; }
@media (max-width:980px){ .offers-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .offers-grid{ grid-template-columns:1fr; } }
.offers-footnote{ text-align:center; color:var(--muted); font-size:14.5px; margin-top:28px; max-width:640px; margin-left:auto; margin-right:auto; }

/* Numbered cards (pourquoi nous) */
.numbered-card{ text-align:center; padding:20px; }
.numbered{ display:inline-flex; align-items:center; justify-content:center; width:52px; height:52px; border-radius:50%; background:var(--surface-2); border:1px solid var(--border-strong); color:var(--cyan); font-family:var(--font-head); font-weight:700; margin-bottom:18px; }
.numbered-card h3{ font-size:19px; }
.numbered-card p{ color:var(--muted); font-size:15px; }

/* Réalisations */
.case-card{ background:var(--surface); border:1px solid var(--border); border-radius:24px; padding:48px; box-shadow:var(--shadow); display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:center; }
.case-media{ position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border-strong); box-shadow:0 24px 50px -20px rgba(0,0,0,.6); }
.case-media img{ width:100%; height:auto; display:block; }
.case-tag{ display:inline-block; font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--cyan); background:rgba(34,211,238,.1); border:1px solid rgba(34,211,238,.25); padding:5px 12px; border-radius:999px; margin-bottom:16px; }
.case-text .check-list{ margin:22px 0 30px; }
@media (max-width:900px){
  .case-card{ grid-template-columns:1fr; padding:32px 24px; gap:36px; }
}
@media (max-width:480px){ .case-card{ padding:24px 18px; } }

/* FAQ */
.faq-list{ max-width:760px; margin:0 auto; }
.faq-item{ border-bottom:1px solid var(--border); }
.faq-question{ width:100%; text-align:left; background:none; border:0; padding:22px 4px; font-family:var(--font-head); font-weight:600; font-size:16.5px; color:var(--text); display:flex; justify-content:space-between; align-items:center; cursor:pointer; gap:16px; }
.faq-icon{ color:var(--cyan); font-size:20px; font-weight:800; transition:transform .2s ease; flex:none; }
.faq-question[aria-expanded="true"] .faq-icon{ transform:rotate(45deg); }
.faq-answer{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-answer p{ padding:0 4px 20px; color:var(--muted); }

/* Contact */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; }
.contact-text p{ color:var(--muted); }
.contact-info{ margin:28px 0; }
.contact-info li{ margin-bottom:16px; }
.contact-info a{ color:var(--cyan); font-weight:600; }
.social-links{ display:flex; gap:16px; margin-top:24px; }
.social-links a{ background:rgba(255,255,255,.06); border:1px solid var(--border-strong); padding:9px 16px; border-radius:999px; font-weight:600; font-size:14px; }
.social-links a:hover{ background:rgba(255,255,255,.12); }

.contact-form{ background:var(--surface); color:var(--text); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow); border:1px solid var(--border-strong); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group{ margin-bottom:16px; }
.form-group label{ display:block; font-weight:600; font-size:13.5px; margin-bottom:6px; color:var(--text); }
.form-group input, .form-group textarea, .form-group select{ width:100%; padding:12px 14px; border:1px solid var(--border-strong); border-radius:10px; font-family:var(--font-body); font-size:15px; background:var(--bg-2); color:var(--text); }
.form-group select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239096AA' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; }
.form-group input::placeholder, .form-group textarea::placeholder{ color:var(--muted-2); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{ outline:2px solid var(--violet); border-color:transparent; }
.hp-field{ position:absolute; left:-9999px; opacity:0; height:0; width:0; }
.form-status{ margin-top:14px; font-size:14px; font-weight:600; min-height:20px; }
.form-status.success{ color:#4ADE80; }
.form-status.error{ color:#F87171; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }

/* WhatsApp float */
.whatsapp-float{ position:fixed; bottom:26px; right:26px; width:64px; height:64px; background:#25D366; border-radius:50%; display:flex; align-items:center; justify-content:center; box-shadow:0 12px 26px -6px rgba(0,0,0,.55); z-index:90; transition:transform .2s ease; }
.whatsapp-float:hover{ transform:scale(1.06); }

/* Footer */
.site-footer{ background:#060709; color:var(--muted); padding:70px 0 0; border-top:1px solid var(--border); }
.footer-logo img{ height:52px; width:auto; margin-bottom:18px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid var(--border); }
.footer-grid h4{ color:#fff; font-size:15px; margin-bottom:16px; }
.footer-grid li{ margin-bottom:10px; font-size:14.5px; }
.footer-grid a:hover{ color:var(--cyan); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding:22px 24px; font-size:13.5px; }
.footer-legal{ display:flex; flex-wrap:wrap; gap:8px 20px; }
/* Reserve de l'espace a droite pour que le bouton WhatsApp flottant ne recouvre jamais les liens */
@media (min-width:561px){ .footer-bottom{ padding-right:120px; } }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; } }

/* Pages legales (mentions, CGU, confidentialite) */
.legal-hero{ background:#08090F; padding:56px 0 44px; border-bottom:1px solid var(--border); }
.legal-back{ display:inline-flex; align-items:center; gap:6px; color:var(--muted); font-weight:600; font-size:14px; margin-bottom:22px; }
.legal-back:hover{ color:var(--cyan); }
.legal-hero h1{ margin-bottom:8px; }
.legal-updated{ color:var(--muted-2); font-size:14px; margin:0; }

.legal-body{ max-width:760px; margin:0 auto; padding:60px 24px 90px; }
.legal-body h2{ font-size:21px; margin-top:46px; margin-bottom:14px; color:#fff; }
.legal-body > p:first-of-type{ font-size:16.5px; color:var(--muted); }
.legal-body p{ font-size:15.5px; line-height:1.75; color:var(--text); }
.legal-body ul{ margin:0 0 8px; }
.legal-body ul li{ position:relative; padding-left:24px; margin-bottom:10px; font-size:15.5px; line-height:1.6; color:var(--text); }
.legal-body ul li::before{ content:"–"; position:absolute; left:0; color:var(--cyan); font-weight:700; }
.legal-body a{ color:var(--cyan); font-weight:600; }

.legal-table-wrap{ overflow-x:auto; margin:22px 0 32px; border:1px solid var(--border); border-radius:12px; }
.legal-table{ width:100%; border-collapse:collapse; min-width:600px; font-size:14px; }
.legal-table th{ background:var(--surface); text-align:left; padding:12px 16px; font-family:var(--font-head); font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); }
.legal-table td{ padding:12px 16px; border-top:1px solid var(--border); vertical-align:top; color:var(--text); }

.legal-contact-box{ background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:24px 28px; margin:24px 0 32px; }
.legal-contact-box p{ font-size:15px; }

/* Bandeau cookies */
.cookie-banner{ position:fixed; left:0; right:0; bottom:0; z-index:200; background:var(--surface); border-top:1px solid var(--border-strong); color:#fff; padding:20px 24px; display:flex; align-items:center; justify-content:center; gap:24px; flex-wrap:wrap; box-shadow:0 -20px 50px -20px rgba(0,0,0,.6); transform:translateY(100%); opacity:0; transition:transform .3s ease, opacity .3s ease; }
.cookie-banner.is-visible{ transform:translateY(0); opacity:1; }
.cookie-banner-text{ max-width:640px; flex:1 1 320px; }
.cookie-banner-text p{ margin:0; font-size:14px; color:var(--muted); }
.cookie-banner-text a{ color:var(--cyan); font-weight:600; }
.cookie-banner-actions{ display:flex; gap:12px; flex-wrap:wrap; flex:0 0 auto; }
.cookie-banner-actions .btn{ padding:11px 22px; font-size:14px; }
@media (max-width:560px){
  .cookie-banner{ padding:18px; }
  .cookie-banner-actions{ width:100%; }
  .cookie-banner-actions .btn{ flex:1; }
}

/* Reveal animation */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:none; }

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