/* ── TEC IZY — CSS Principal ────────────────────────────────── */
:root {
  --blue:     #0ea5e9;
  --blue-dark:#0284c7;
  --blue-deep:#0369a1;
  --slate:    #0f172a;
  --slate-700:#334155;
  --slate-500:#64748b;
  --slate-300:#cbd5e1;
  --slate-100:#f1f5f9;
  --slate-50:  #f8fafc;
  --white:    #ffffff;
  --accent:   #38bdf8;
  --radius:   10px;
  --shadow:   0 4px 24px rgba(15,23,42,.08);
  --shadow-lg:0 12px 40px rgba(15,23,42,.14);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',sans-serif;color:var(--slate);background:#fff;line-height:1.6}

/* Typography */
h1,h2,h3,h4{font-family:'Sora',sans-serif;line-height:1.2;font-weight:800;color:var(--slate)}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{color:var(--slate-700);line-height:1.75}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
img{max-width:100%;height:auto}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-pad{padding:80px 0}
.section-pad-sm{padding:56px 0}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--slate-100);box-shadow:0 1px 0 var(--slate-100)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Sora',sans-serif;font-size:22px;font-weight:800;color:var(--slate);letter-spacing:-.02em}
.logo span{color:var(--blue)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{font-size:14px;font-weight:500;color:var(--slate-700);padding:6px 14px;border-radius:8px;transition:all .15s}
.main-nav a:hover{color:var(--blue);background:var(--slate-50)}
.btn-nav{background:var(--blue)!important;color:#fff!important;font-weight:600!important;padding:8px 20px!important;border-radius:8px!important}
.btn-nav:hover{background:var(--blue-dark)!important}

/* Burger (mobile) */
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.burger span{width:22px;height:2px;background:var(--slate);border-radius:2px;transition:all .25s}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--slate-100);padding:16px 24px;z-index:99}
.mobile-menu.open{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{font-size:15px;font-weight:500;color:var(--slate);padding:10px 12px;border-radius:8px}

/* Boutons */
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font-family:'Sora',sans-serif;font-size:15px;font-weight:700;padding:14px 28px;border-radius:10px;border:none;cursor:pointer;transition:all .2s;text-decoration:none}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(14,165,233,.35)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--blue);font-family:'Sora',sans-serif;font-size:15px;font-weight:600;padding:13px 28px;border-radius:10px;border:2px solid var(--blue);cursor:pointer;transition:all .2s;text-decoration:none}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--blue);font-family:'Sora',sans-serif;font-size:15px;font-weight:700;padding:14px 28px;border-radius:10px;border:none;cursor:pointer;transition:all .2s;text-decoration:none}
.btn-white:hover{background:var(--slate-50);transform:translateY(-1px)}

/* Eyebrow */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;background:rgba(14,165,233,.08);padding:6px 14px;border-radius:20px;border:1px solid rgba(14,165,233,.2)}

/* Section header */
.section-header{text-align:center;max-width:680px;margin:0 auto 52px}
.section-header h2{margin-bottom:16px}
.section-header p{font-size:17px;color:var(--slate-500)}
.ac{color:var(--blue)}

/* Hero */
.hero{padding:100px 0 80px;background:linear-gradient(135deg,#f0f9ff 0%,#ffffff 50%,#f0f9ff 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(14,165,233,.12) 0%,transparent 70%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(14,165,233,.1);border:1px solid rgba(14,165,233,.25);color:var(--blue);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:24px}
.hero-title{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--slate-500);margin-bottom:36px;line-height:1.7}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--slate-500)}
.hero-trust-item{display:flex;align-items:center;gap:6px}
.hero-trust-item::before{content:'✓';color:var(--blue);font-weight:700}
.hero-visual{background:linear-gradient(135deg,var(--slate) 0%,#1e3a5f 100%);border-radius:20px;padding:32px;box-shadow:var(--shadow-lg)}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.metric-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:20px;text-align:center}
.metric-num{font-family:'Sora',sans-serif;font-size:32px;font-weight:800;color:#fff;margin-bottom:4px}
.metric-label{font-size:12px;color:rgba(255,255,255,.6)}
.metric-card.accent{background:var(--blue);border-color:var(--blue)}
.metric-card.accent .metric-num{color:#fff}
.metric-card.accent .metric-label{color:rgba(255,255,255,.85)}

/* Services grid */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:#fff;border:1.5px solid var(--slate-100);border-radius:16px;padding:32px;transition:all .25s;cursor:default;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.service-card:hover{border-color:var(--blue);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:52px;height:52px;background:rgba(14,165,233,.1);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px}
.service-card h3{margin-bottom:10px;font-size:18px}
.service-card p{font-size:14px;color:var(--slate-500);line-height:1.65}
.service-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue);margin-top:16px}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-grid::before{content:'';position:absolute;top:32px;left:15%;right:15%;height:2px;background:linear-gradient(90deg,var(--blue),var(--accent));z-index:0}
.process-step{text-align:center;position:relative;z-index:1}
.step-num{width:64px;height:64px;border-radius:50%;background:var(--blue);color:#fff;font-family:'Sora',sans-serif;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 4px 16px rgba(14,165,233,.35)}
.process-step h3{font-size:15px;margin-bottom:8px}
.process-step p{font-size:13px;color:var(--slate-500)}

/* Stats bar */
.stats-bar{background:var(--slate);padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-num{font-family:'Sora',sans-serif;font-size:42px;font-weight:800;color:var(--blue);margin-bottom:8px}
.stat-label{font-size:15px;color:rgba(255,255,255,.65)}

/* CTA Banner */
.cta-banner{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-deep) 100%);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);pointer-events:none}
.cta-banner h2{color:#fff;margin-bottom:16px}
.cta-banner p{color:rgba(255,255,255,.8);font-size:18px;margin-bottom:32px;max-width:540px;margin-left:auto;margin-right:auto}

/* Blog grid */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{background:#fff;border:1.5px solid var(--slate-100);border-radius:16px;overflow:hidden;transition:all .25s;text-decoration:none;display:flex;flex-direction:column}
.blog-card:hover{border-color:var(--blue);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.blog-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.blog-cat{font-size:11px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.blog-card h3{font-size:17px;font-weight:700;color:var(--slate);margin-bottom:10px;line-height:1.35}
.blog-card p{font-size:13px;color:var(--slate-500);flex:1}
.blog-card-footer{padding:16px 24px;border-top:1px solid var(--slate-100);font-size:12px;color:var(--slate-500);display:flex;justify-content:space-between}
.blog-stripe{height:4px;background:linear-gradient(90deg,var(--blue),var(--accent))}

/* Article */
.article-wrap{padding-bottom:80px}
.article-header{background:linear-gradient(135deg,#f0f9ff,#fff);padding:60px 0 40px;border-bottom:1px solid var(--slate-100)}
.breadcrumb{font-size:13px;color:var(--slate-500);margin-bottom:16px}
.breadcrumb a{color:var(--slate-500)}
.breadcrumb a:hover{color:var(--blue)}
.article-header h1{max-width:800px;font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:12px}
.article-meta{font-size:13px;color:var(--slate-500)}
.article-body{display:grid;grid-template-columns:1fr;max-width:800px;margin:0 auto;padding-top:48px}
.article-intro{font-size:18px;color:var(--slate-700);line-height:1.8;margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--slate-100)}
.article-content h2{font-size:1.5rem;margin:36px 0 14px}
.article-content p{margin-bottom:16px}
.faq-block{margin:40px 0}
.faq-block h2{margin-bottom:20px}
.faq-item{border:1px solid var(--slate-200);border-radius:10px;margin-bottom:8px;overflow:hidden}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .15s}
.faq-q:hover{background:var(--slate-50)}
.faq-item.open .faq-q{color:var(--blue);background:rgba(14,165,233,.04)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;padding:0 20px}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}
.faq-a p{font-size:14px;color:var(--slate-700)}
.article-cta{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid rgba(14,165,233,.2);border-radius:16px;padding:32px;text-align:center;margin-top:48px}
.article-cta p{font-size:17px;font-weight:600;color:var(--slate);margin-bottom:20px}

/* Services page */
.service-hero{background:linear-gradient(135deg,#f0f9ff,#fff);padding:80px 0}
.service-features{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.feature-item{display:flex;gap:16px;align-items:flex-start;padding:24px;background:#fff;border:1.5px solid var(--slate-100);border-radius:12px}
.feature-icon{width:40px;height:40px;background:rgba(14,165,233,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.feature-item h4{font-size:15px;font-weight:700;margin-bottom:6px}
.feature-item p{font-size:13px;color:var(--slate-500)}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info h2{margin-bottom:16px}
.contact-info p{font-size:16px;color:var(--slate-500);margin-bottom:32px}
.contact-detail{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:15px;color:var(--slate-700)}
.contact-detail-icon{width:40px;height:40px;background:rgba(14,165,233,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-form{background:#fff;border:1.5px solid var(--slate-100);border-radius:20px;padding:40px;box-shadow:var(--shadow)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--slate);margin-bottom:8px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;font-size:14px;font-family:'Inter',sans-serif;border:1.5px solid var(--slate-200);border-radius:10px;background:#fff;color:var(--slate);transition:border-color .15s;outline:none}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--blue)}
.form-group textarea{min-height:120px;resize:vertical}
.form-success{background:rgba(16,185,129,.08);border:1.5px solid rgba(16,185,129,.3);border-radius:12px;padding:20px;text-align:center;color:#065f46;font-weight:600}

/* Footer */
.site-footer{background:var(--slate);color:rgba(255,255,255,.7);padding:56px 0 32px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{color:#fff;font-size:20px;display:block;margin-bottom:12px}
.footer-brand p{font-size:13px;line-height:1.7}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:8px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.4)}

/* Responsive */
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{display:none}
  .services-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid::before{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .main-nav{display:none}
  .burger{display:flex}
  .section-pad{padding:56px 0}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero{padding:60px 0 40px}
  .service-features{grid-template-columns:1fr}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr}
  .hero-ctas{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
}

/* Alertes admin */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#f0fdf4;color:#166534;border:1px solid #6ee7b7}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fca5a5}