/**
 * Ortak sayfa başlığı (koyu kart) – izLab dışı sayfalar
 * Örnek: makale-sunumlari.html. Kullanım:
 *   <section class="page-hero">
 *     <div class="page-hero__kicker"><i class="fas fa-..."></i> Üst etiket</div>
 *     <h1 class="page-hero__title">Başlık</h1>
 *     <p class="page-hero__lead">Kısa açıklama</p>
 *     <div class="page-hero__actions">…isteğe bağlı düğme/etiket…</div>
 *   </section>
 */

.page-hero {
  position: relative;
  margin: 32px 0 28px;
  padding: clamp(24px, 4vw, 40px) clamp(22px, 4vw, 44px);
  border: 1px solid rgba(56, 239, 125, 0.18);
  border-radius: 28px;
  background:
    radial-gradient(700px 260px at 0% 0%, rgba(17, 153, 142, 0.20), transparent 60%),
    radial-gradient(600px 260px at 100% 0%, rgba(56, 239, 125, 0.10), transparent 60%),
    linear-gradient(150deg, rgba(16, 23, 40, 0.92), rgba(10, 14, 26, 0.92));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  color: #f5f7ff;
  text-align: left;
  overflow: hidden;
}

.page-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 13px;
  border-radius: 999px;
  background: linear-gradient(90deg, #11998e, #38ef7d);
  color: #03131f;
  font-family: Inter, system-ui, sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.page-hero__title {
  margin: 0 0 14px;
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.5px;
  color: #f5f7ff;
  background: none;
  -webkit-text-fill-color: currentColor;
}

.page-hero__lead {
  margin: 0;
  max-width: 760px;
  color: #a0aec0;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(14px, 1.9vw, 17px);
  line-height: 1.75;
}

.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(56, 239, 125, 0.25);
  border-radius: 999px;
  background: rgba(56, 239, 125, 0.08);
  color: #38ef7d;
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 860px) {
  .page-hero { margin-top: 20px; border-radius: 22px; }
}

@media print {
  .page-hero {
    margin: 0 0 16px;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
    color: #000;
  }
  .page-hero__kicker,
  .page-hero__actions { display: none; }
  .page-hero__title { color: #000; }
  .page-hero__lead { color: #333; }
}