/* ============================================================
   DRIVIFY — Design System
   Palette : Bleu nuit premium + accent cyan électrique
   ============================================================ */
:root{
  --navy-950:#071324;
  --navy-900:#0A1B34;
  --navy-800:#102A4C;
  --navy-700:#16385F;
  --accent:#00D8C4;
  --accent-bright:#2DE8D6;
  --accent-deep:#00B6A3;
  --ink:#0A1B34;
  --muted:#5A6B82;
  --muted-light:#8A99AD;
  --line:#E3E9F0;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#F0F4F9;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(10,27,52,.06), 0 2px 8px rgba(10,27,52,.05);
  --shadow:0 10px 30px rgba(10,27,52,.10);
  --shadow-lg:0 24px 60px rgba(10,27,52,.18);
  --maxw:1180px;
  --font-head:'Space Grotesk','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy-900);line-height:1.12;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.3rem}
p{margin:0 0 1rem}
a{color:var(--accent-deep);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--tight{padding:56px 0}
.eyebrow{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:600;color:var(--accent-deep);margin-bottom:14px;display:inline-block}
.lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-head);font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.2s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--accent);color:var(--navy-950);box-shadow:0 8px 24px rgba(0,216,196,.35)}
.btn--primary:hover{background:var(--accent-bright);box-shadow:0 12px 30px rgba(0,216,196,.45)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent-bright)}
.btn--dark{background:var(--navy-900);color:#fff}
.btn--dark:hover{background:var(--navy-800)}
.btn--lg{padding:17px 34px;font-size:1.08rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,251,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:700;font-size:1.35rem;color:var(--navy-900)}
.brand:hover{text-decoration:none}
.brand img{height:40px;width:40px}
.brand .b-accent{color:var(--accent-deep)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--navy-800);font-weight:500;font-size:.98rem}
.nav-links a:hover{color:var(--accent-deep);text-decoration:none}
.nav-links a.active{color:var(--accent-deep)}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2px;background:var(--navy-900);border-radius:2px;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 75% -10%,rgba(0,216,196,.16),transparent 60%),linear-gradient(160deg,var(--navy-900),var(--navy-950));color:#eaf1fb;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39.5H40M39.5 0V40' stroke='%23ffffff' stroke-opacity='0.04'/%3E%3C/svg%3E");pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:96px;padding-bottom:104px}
.hero h1{color:#fff;max-width:16ch}
.hero .lead{color:#b9c7dc;font-size:1.3rem}
.hero .eyebrow{color:var(--accent-bright)}
.hero-grad{color:var(--accent-bright)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap;margin-top:56px;padding-top:34px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats .num{font-family:var(--font-head);font-size:2.1rem;font-weight:700;color:#fff}
.hero-stats .lbl{color:#9fb0c7;font-size:.92rem}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d3e9e6}
.card .ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-800),var(--navy-900));color:var(--accent-bright);margin-bottom:18px}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);margin:0}
.card--accent{background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#dce7f5;border:0}
.card--accent h3{color:#fff}
.card--accent p{color:#aebdd2}

.feature-row{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.feature-row .dot{flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:rgba(0,216,196,.14);color:var(--accent-deep);display:grid;place-items:center;font-weight:700;margin-top:3px}
.feature-row h4{margin:0 0 3px}
.feature-row p{margin:0;color:var(--muted)}

/* ---------- Split sections ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow)}
.panel--dark{background:linear-gradient(160deg,var(--navy-800),var(--navy-950));color:#dce7f5;border:0}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:22px}
.step{display:flex;gap:20px;align-items:flex-start}
.step .n{flex:0 0 auto;width:46px;height:46px;border-radius:50%;background:var(--navy-900);color:var(--accent-bright);font-family:var(--font-head);font-weight:700;display:grid;place-items:center;font-size:1.1rem}
.step h4{margin:0 0 4px}
.step p{margin:0;color:var(--muted)}

/* ---------- Pricing / offer ---------- */
.price-tag{font-family:var(--font-head);font-size:2.4rem;font-weight:700;color:var(--navy-900)}
.badge{display:inline-block;background:rgba(0,216,196,.14);color:var(--accent-deep);font-weight:600;font-size:.82rem;padding:5px 12px;border-radius:999px;font-family:var(--font-head);letter-spacing:.02em}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy-800),var(--navy-950));color:#fff;border-radius:26px;padding:60px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#b9c7dc;max-width:52ch;margin:0 auto 28px}
.cta-band::before{content:"";position:absolute;width:360px;height:360px;background:radial-gradient(circle,rgba(0,216,196,.25),transparent 70%);top:-120px;right:-80px}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px;font-family:var(--font-head);color:var(--navy-800)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:1rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,216,196,.15)}
.field textarea{min-height:140px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:4px}

/* ---------- Info list / contact ---------- */
.info-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-list .ico{flex:0 0 auto;width:44px;height:44px;border-radius:11px;background:var(--surface-2);color:var(--accent-deep);display:grid;place-items:center}
.info-list b{display:block;font-family:var(--font-head)}
.info-list span{color:var(--muted)}

/* ---------- Legal / long-form ---------- */
.legal{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(28px,5vw,60px);box-shadow:var(--shadow-sm)}
.legal h2{font-size:1.5rem;margin-top:2em;padding-top:1.2em;border-top:1px solid var(--line)}
.legal h2:first-of-type{margin-top:1em;border-top:0;padding-top:0}
.legal h3{font-size:1.1rem;margin-top:1.6em;color:var(--navy-800)}
.legal p,.legal li{color:#2c3b50}
.legal ul,.legal ol{padding-left:1.3em}
.legal li{margin-bottom:.4em}
.toc{background:var(--surface-2);border-radius:var(--radius-sm);padding:22px 26px;margin-bottom:30px}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:40px}
.toc a{color:var(--navy-800)}

/* ---------- Page header ---------- */
.page-head{background:linear-gradient(160deg,var(--navy-900),var(--navy-950));color:#fff;padding:70px 0 60px}
.page-head .eyebrow{color:var(--accent-bright)}
.page-head h1{color:#fff;margin-bottom:.3em}
.page-head p{color:#b9c7dc;max-width:62ch;font-size:1.15rem}
.breadcrumb{font-size:.85rem;color:#8ca0bc;margin-bottom:18px}
.breadcrumb a{color:#b9c7dc}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:#aebdd2;padding:70px 0 34px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:18px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.site-footer a{color:#aebdd2;font-size:.94rem}
.site-footer a:hover{color:var(--accent-bright);text-decoration:none}
.footer-brand img{height:42px;margin-bottom:16px}
.footer-brand p{color:#8ca0bc;font-size:.92rem;max-width:34ch}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#7d90ac}

/* ---------- Pills row ---------- */
.pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pill{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:.9rem;font-weight:500;color:var(--navy-800);box-shadow:var(--shadow-sm)}
.pill b{color:var(--accent-deep)}

/* ---------- Trust bar ---------- */
.trust{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;padding-top:28px;padding-bottom:28px}
.trust .t-item{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.95rem}
.trust .t-item b{color:var(--navy-900);font-family:var(--font-head)}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .toc ol{columns:1}
}
@media(max-width:720px){
  body{font-size:16px}
  .section{padding:60px 0}
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;background:var(--surface);padding:20px 24px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .grid-3,.grid-4,.grid-2,.form .row{grid-template-columns:1fr}
  .cta-band{padding:40px 26px}
  .hero-stats{gap:28px}
  .footer-grid{grid-template-columns:1fr}
}