/* =========================================
   STYLE ADDITIF (NETTOYÉ + SCOPÉ)
   Objectif: styles spécifiques à des pages/blocs "longform"
   sans impacter le template global (Bootstrap/T4)
========================================= */

/* Variables manquantes utilisées par le bloc additif */
:root {
  --accent: #0EA5E9;
  --border: #E2E8F0;
  --card: #FFFFFF;

  /* Couleurs "marques" utilisées dans les comparatifs */
  --openai: #10B981;  /* vert */
  --google: #60A5FA;  /* bleu */
}

/* IMPORTANT:
   Place tes blocs HTML dans un wrapper:
   <div class="iana-additive"> ... </div>
   pour éviter d'écraser h2/p/footer du template.
*/
.iana-additive {
  color: #334155;
}

/* HERO */
.iana-additive .hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f2d1e 100%);
  color: #fff;
  padding: 72px 24px;
  text-align: center;
}

.iana-additive .hero .badge {
  display: inline-block;
  background: var(--accent);
  color: #0f172a;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.iana-additive .hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  max-width: 820px;
  margin: 0 auto 20px;
}

.iana-additive .hero h1 span.gpt { color: #34d399; }
.iana-additive .hero h1 span.gem { color: #60a5fa; }

.iana-additive .hero p {
  font-size: 1.1rem;
  color: #cbd5e1;
  max-width: 640px;
  margin: 0 auto 32px;
}

.iana-additive .hero .meta { font-size: 0.85rem; color: #94a3b8; }
.iana-additive .hero .meta strong { color: #e2e8f0; }

/* LAYOUT (ne pas toucher .container global Bootstrap) */
.iana-additive .iana-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

.iana-additive section { padding: 56px 0; }
.iana-additive section + section { border-top: 1px solid var(--border); }

/* Titres/paragraphes: scoping uniquement */
.iana-additive h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 10px;
}

.iana-additive h2 .icon { font-size: 1.4rem; }

.iana-additive h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 28px 0 10px;
  color: #1e293b;
}

.iana-additive h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 20px 0 8px;
  color: #334155;
}

.iana-additive p { margin-bottom: 14px; }

/* CALLOUT */
.iana-additive .callout {
  border-left: 4px solid var(--accent);
  background: #fffbeb;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 0.97rem;
}

.iana-additive .callout.blue {
  border-color: var(--google);
  background: #eff6ff;
}

.iana-additive .callout.green {
  border-color: var(--openai);
  background: #f0fdf4;
}

.iana-additive .callout strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

/* STAT CARDS */
.iana-additive .stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.iana-additive .stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

.iana-additive .stat-card .value { font-size: 2rem; font-weight: 800; }
.iana-additive .stat-card .value.gpt { color: var(--openai); }
.iana-additive .stat-card .value.gem { color: var(--google); }

.iana-additive .stat-card .label {
  font-size: 0.78rem;
  color: #64748b;
  margin-top: 4px;
}

.iana-additive .stat-card .benchmark {
  font-size: 0.7rem;
  color: #94a3b8;
  font-style: italic;
  margin-top: 2px;
}

/* COMPARISON TABLE */
.iana-additive .compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.iana-additive .compare-table thead {
  background: #0f172a;
  color: #fff;
}

.iana-additive .compare-table th {
  padding: 14px 18px;
  text-align: left;
  font-weight: 700;
  font-size: 0.85rem;
}

.iana-additive .compare-table th:nth-child(2) { background: rgba(16,163,127,.25); }
.iana-additive .compare-table th:nth-child(3) { background: rgba(66,133,244,.25); }

.iana-additive .compare-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.iana-additive .compare-table tbody tr:last-child td { border-bottom: none; }
.iana-additive .compare-table tbody tr:nth-child(even) { background: #f8fafc; }

.iana-additive .compare-table .winner { font-weight: 700; }

.iana-additive .badge-win {
  display: inline-block;
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
}

.iana-additive .badge-tie {
  display: inline-block;
  background: #fefce8;
  color: #854d0e;
  border: 1px solid #fde68a;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
}

/* PROFILE CARDS */
.iana-additive .profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
}

@media (max-width: 600px) {
  .iana-additive .profile-grid { grid-template-columns: 1fr; }
}

.iana-additive .profile-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--card);
}

.iana-additive .profile-card h4 {
  font-size: 1rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid;
}

.iana-additive .profile-card.gpt h4 { border-color: var(--openai); color: var(--openai); }
.iana-additive .profile-card.gem h4 { border-color: var(--google); color: var(--google); }

.iana-additive .profile-card ul {
  padding-left: 18px;
  color: #334155;
  font-size: 0.93rem;
}

.iana-additive .profile-card ul li { margin-bottom: 6px; }

/* VERDICT */
.iana-additive .verdict-box {
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
  color: #fff;
  border-radius: 16px;
  padding: 40px;
  margin: 24px 0;
}

.iana-additive .verdict-box h3 { color: #34d399; margin-top: 0; }
.iana-additive .verdict-box p { color: #cbd5e1; margin-bottom: 10px; }

.iana-additive .verdict-box .split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

@media (max-width: 600px) {
  .iana-additive .verdict-box .split { grid-template-columns: 1fr; }
}

.iana-additive .verdict-box .split div {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 20px;
}

.iana-additive .verdict-box .split h4 {
  color: #e2e8f0;
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.iana-additive .verdict-box .split ul {
  padding-left: 16px;
  color: #94a3b8;
  font-size: 0.9rem;
}

.iana-additive .verdict-box .split ul li { margin-bottom: 5px; }

/* FAQ */
.iana-additive .faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

.iana-additive .faq-item summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.97rem;
  background: var(--card);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.iana-additive .faq-item summary::-webkit-details-marker { display: none; }
.iana-additive .faq-item summary::after { content: '+'; font-size: 1.3rem; color: #94a3b8; }
.iana-additive .faq-item[open] summary::after { content: '−'; }

.iana-additive .faq-item .faq-body {
  padding: 16px 20px;
  background: #f8fafc;
  font-size: 0.93rem;
  color: #334155;
  border-top: 1px solid var(--border);
}

/* SOURCES */
.iana-additive .sources {
  background: #f1f5f9;
  border-radius: 12px;
  padding: 24px;
  font-size: 0.85rem;
  color: #475569;
}

.iana-additive .sources h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: #0f172a;
}

.iana-additive .sources ul { padding-left: 18px; }
.iana-additive .sources ul li { margin-bottom: 6px; }
.iana-additive .sources a { color: #2563eb; }

/* IMPORTANT: ne pas styliser footer global ici (déjà géré par SECTION 10 du fichier) */

/* RESPONSIVE */
@media (max-width: 640px) {
  .iana-additive h2 { font-size: 1.4rem; }
  .iana-additive .compare-table { font-size: 0.82rem; }
  .iana-additive .compare-table th,
  .iana-additive .compare-table td { padding: 10px 12px; }
}