/* ==========================================================================
   AutoGo — base.css
   Design system : variables, reset, typographie, utilitaires de layout.
   Palette calée sur le vrai logo AutoGo (bleu #2456B5 / orange #EA6C2F,
   extraits de img/logo.JPG). Polices : Sora (titres) + Manrope (texte).
   ========================================================================== */

:root{
  /* Couleurs — bleu/orange = couleurs exactes du logo officiel */
  --primary:#2456B5;
  --primary-lt:#3E6FD6;
  --accent:#EA6C2F;
  --accent-dk:#C85A22;
  --success:#1FAA59;
  --warning:#F5A623;
  --danger:#E23D3D;
  --dark:#101826;
  --mid:#5C6B82;
  --light:#F4F6F9;
  --light-2:#EAEEF3;
  --white:#ffffff;
  --border:#E2E7EF;

  /* Typographie */
  --heading:'Sora', 'Segoe UI', Arial, sans-serif;
  --sans:'Manrope', 'Segoe UI', Arial, sans-serif;

  /* Ombres / forme */
  --shadow:0 4px 24px rgba(16,24,38,.08);
  --shadow-lg:0 20px 50px rgba(16,24,38,.16);
  --r:10px;
  --r-lg:18px;
  --t:.3s cubic-bezier(.4,0,.2,1);

  /* Layout */
  --container-w:1240px;
  --nav-h:76px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  font-family:var(--sans);
  color:var(--dark);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--heading);font-weight:700;line-height:1.15;letter-spacing:-.01em}

/* Layout utilities */
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--sm{padding:56px 0}
.section--dark{background:var(--dark);color:var(--white)}
.section--light{background:var(--light)}
.section--primary{background:var(--primary);color:var(--white)}

.section-head{max-width:640px;margin:0 auto 56px;text-align:center}
.section-head--left{margin:0 0 48px;text-align:left;max-width:680px}
.label{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--heading);font-size:.78rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent);
  margin-bottom:14px;
}
.label::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent)}
.section-title{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}
.section-title em{color:var(--accent);font-style:normal}
.section-sub{color:var(--mid);font-size:1.05rem}

/* Boutons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-family:var(--heading);
  font-weight:600;font-size:.95rem;transition:var(--t);white-space:nowrap;
  border:2px solid transparent;
}
.btn-accent{background:var(--accent);color:var(--white);box-shadow:0 10px 24px rgba(234,108,47,.28)}
.btn-accent:hover{background:var(--accent-dk);transform:translateY(-2px);box-shadow:0 14px 30px rgba(234,108,47,.36)}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-lt);transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.5);color:var(--white)}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--border);color:var(--dark)}
.btn-outline-dark:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:.85rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;pointer-events:none}

/* Reveal-on-scroll (pattern LPN) */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal.d1.visible{transition-delay:.08s}
.reveal.d2.visible{transition-delay:.16s}
.reveal.d3.visible{transition-delay:.24s}
.reveal.d4.visible{transition-delay:.32s}

/* Champs de formulaire génériques */
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--heading);font-weight:600;font-size:.85rem;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:2px solid var(--border);border-radius:var(--r);
  background:var(--white);transition:var(--t);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:100px}
.field-error{color:var(--danger);font-size:.82rem;margin-top:6px;display:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field.has-error .field-error{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.field-row{grid-template-columns:1fr}}

/* Honeypot anti-spam : masqué visuellement mais accessible en DOM */
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0;height:0;overflow:hidden}

.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

@media (max-width:900px){
  .section{padding:64px 0}
  .section--sm{padding:40px 0}
}