/* ==================================================================
   ESIKA Contact — assets/css/contact.css
   Page publique : formulaire unique + coordonnées. Mobile-first.
   ================================================================== */

:root {
  --primary: #16169b;
  --primary-dark: #0e0e6e;
  --primary-50: #edf3ff;
  --primary-100: #d4dcf5;
  --accent: #c41212;
  --ink: #202124;
  --ink-2: #5b6470;
  --ink-3: #8b95a3;
  --line: #e6e8ed;
  --line-light: #f0f1f5;
  --bg: #ffffff;
  --bg-2: #f7f8fa;
  --ok: #047857;
  --ok-bg: #ecfdf5;
  --ok-line: #a7f3d0;
  --err: #b91c1c;
  --err-bg: #fef2f2;
  --err-line: #fecaca;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(16, 16, 80, 0.06);
  --shadow-md: 0 6px 24px rgba(16, 16, 80, 0.09);
  --t: 180ms ease;
  --font-h: "Space Grotesk", "Inter", sans-serif;
  --font-b: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-b);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg-2);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------------- En-tête ---------------- */
.site-head {
  background: var(--primary);
  padding: 14px 0;
}
.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand img { height: 30px; width: auto; display: block; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 7px 13px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  transition: background var(--t), color var(--t);
}
.back-link:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 40px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -60px -90px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}
.hero .eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
}
.hero h1 {
  font-family: var(--font-h);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  color: #ffd9d9;
}
.hero .lead {
  margin: 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

/* ---------------- Grille principale ---------------- */
.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: -28px;
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}
@media (min-width: 900px) {
  .main-grid { grid-template-columns: 1.55fr 1fr; align-items: start; }
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px;
}
@media (min-width: 640px) {
  .card { padding: 28px; }
}

.form-card h2 {
  font-family: var(--font-h);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 4px;
}
.card-sub {
  margin: 0 0 22px;
  font-size: 13.5px;
  color: var(--ink-3);
}

/* ---------------- Champs ---------------- */
.field { margin-bottom: 16px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 14px;
}
@media (min-width: 560px) {
  .field-row { grid-template-columns: 1fr 1fr; }
}

label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.req { color: var(--accent); }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 11px 13px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--t), box-shadow var(--t);
}
input::placeholder,
textarea::placeholder { color: var(--ink-3); }

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 22, 155, 0.11);
}

textarea { resize: vertical; min-height: 120px; }

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6470' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  background-size: 17px;
  padding-right: 38px;
}
select optgroup { font-weight: 700; color: var(--ink-2); }
select option { font-weight: 400; color: var(--ink); }

/* Champ en erreur : la bordure suffit, pas de secousse ni de rouge criard */
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: var(--err-line);
  background: #fffafa;
}

.field-hint {
  margin: 5px 0 0;
  font-size: 12px;
  color: var(--ink-3);
}

.field-error {
  margin: 5px 0 0;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--err);
  display: none;
}
.field-error.is-shown { display: block; }

.link-btn {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 12px;
  color: var(--primary);
  text-decoration: underline;
  cursor: pointer;
}
.link-btn:hover { color: var(--primary-dark); }

/* ---------------- Retour d'envoi ---------------- */
/* Placé juste au-dessus du bouton : visible sans remonter la page. */
.feedback {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 14px;
  animation: pop 220ms ease both;
}
.feedback svg { flex-shrink: 0; margin-top: 2px; }
.feedback.is-ok    { background: var(--ok-bg);  border-color: var(--ok-line);  color: var(--ok); }
.feedback.is-error { background: var(--err-bg); border-color: var(--err-line); color: var(--err); }

@keyframes pop {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: none; }
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 16px;
}
.alert svg { flex-shrink: 0; margin-top: 2px; }
.alert-success { background: var(--ok-bg);  border-color: var(--ok-line);  color: var(--ok); }
.alert-error   { background: var(--err-bg); border-color: var(--err-line); color: var(--err); }

/* ---------------- Bouton ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--t), opacity var(--t), transform var(--t);
  position: relative;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.65; cursor: progress; }

.btn-label { display: inline-flex; align-items: center; gap: 8px; }

.btn-spinner {
  display: none;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
.btn.is-loading .btn-label { visibility: hidden; }
.btn.is-loading .btn-spinner {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -8.5px 0 0 -8.5px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.legal {
  margin: 13px 0 0;
  font-size: 12px;
  color: var(--ink-3);
  text-align: center;
}

/* ---------------- Colonne latérale ---------------- */
.side { display: grid; gap: 18px; }

.side-card h3 {
  font-family: var(--font-h);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 14px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  margin: 0 -10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: background var(--t);
}
.contact-row:hover:not(.is-static) { background: var(--bg-2); }
.contact-row.is-static { cursor: default; }

.contact-row span:last-child { display: flex; flex-direction: column; min-width: 0; }
.contact-row strong { font-size: 14px; font-weight: 600; }
.contact-row small {
  font-size: 12.5px;
  color: var(--ink-3);
  overflow-wrap: anywhere;
}

.ico {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--primary-50);
  color: var(--primary);
}
.ico-whatsapp { background: #e7f9ee; color: #1ebe5a; }
.ico-phone    { background: #e8f0fe; color: #1a73e8; }
.ico-mail     { background: #fdecec; color: #d93025; }

.platforms { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.platforms a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  margin: 0 -10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  transition: background var(--t), color var(--t);
}
.platforms a:hover { background: var(--bg-2); color: var(--primary); }
.platforms a svg { margin-left: auto; opacity: 0.45; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ---------------- Pied ---------------- */
.site-foot {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 18px 0;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-3);
}
.foot-inner a { color: var(--ink-2); text-decoration: none; font-weight: 600; }
.foot-inner a:hover { color: var(--primary); }

/* ---------------- Accessibilité ---------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}