/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; gap: 16px; }
.brand img { height: 40px; }
.site-nav { display: flex; gap: 24px; align-items: center; }
.site-nav a { font-weight: 600; font-size: 14px; padding: 8px 0; }
.site-nav .btn { padding: 10px 18px; font-size: 13px; }
.menu-toggle { display: none; background: transparent; color: #fff; border: none; font-size: 22px; }
@media (max-width: 768px) {
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); flex-direction: column; padding: 20px; border-top: 1px solid var(--color-border); }
  .site-nav.open { display: flex; }
  .menu-toggle { display: block; }
}

/* Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: radial-gradient(ellipse at top, rgba(255,91,31,0.15), transparent 60%), var(--color-bg);
  position: relative;
  overflow: hidden;
}
.hero h1 {
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}
.hero .lead { color: var(--color-muted); font-size: 20px; max-width: 640px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sections */
section { padding: 80px 0; }
.page-hero { padding: 80px 0 40px; text-align: center; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.page-hero h1 { color: var(--color-accent); }
.page-hero p { color: var(--color-muted); max-width: 600px; margin: 0 auto; }
.hero-icon { font-size: 48px; color: var(--color-accent); margin-bottom: 16px; }

/* Service Grid */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-top: 40px; }
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow-glow); color: inherit; }
.service-card i { font-size: 36px; color: var(--color-accent); margin-bottom: 16px; display: block; }
.service-card h3 { font-size: 20px; margin-bottom: 8px; }
.service-card p { color: var(--color-muted); font-size: 14px; margin: 0; }
.card-arrow { position: absolute; top: 24px; right: 24px; color: var(--color-accent); opacity: 0; transition: var(--transition); }
.service-card:hover .card-arrow { opacity: 1; transform: translateX(8px); }

/* Reference */
.reference-masonry { columns: 3; column-gap: 16px; }
@media (max-width: 768px) { .reference-masonry { columns: 2; } }
.reference-masonry .reference-card { display: inline-block; width: 100%; margin-bottom: 16px; break-inside: avoid; }
.reference-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 40px; }
.reference-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; background: var(--color-surface); }
.reference-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.reference-card:hover img { transform: scale(1.08); }
.reference-card h3 { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; background: linear-gradient(to top, rgba(0,0,0,0.9), transparent); margin: 0; font-size: 18px; }

/* Service Detail */
.detail-content { color: var(--color-muted); font-size: 16px; line-height: 1.8; max-width: 800px; }
.detail-cta { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Price Calculator */
.price-calc { padding: 60px 0; }
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 768px) { .price-grid { grid-template-columns: 1fr; } }
.calc-form-wrap .form-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 32px; }
.calc-map-wrap { position: sticky; top: 100px; }
.calc-map-wrap #map { width: 100%; height: 600px; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.suggest-wrap { position: relative; }
.suggest-list { list-style: none; padding: 0; margin: 4px 0 0; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 6px; max-height: 200px; overflow-y: auto; position: absolute; left: 0; right: 0; z-index: 50; top: 100%; }
.suggest-list li { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--color-border); font-size: 13px; }
.suggest-list li:hover { background: rgba(255,91,31,0.1); }
.suggest-list li:last-child { border-bottom: none; }
.result-card {
  background: linear-gradient(135deg, rgba(255,91,31,0.15), transparent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-top: 24px;
  text-align: center;
}
.result-card h3 { color: var(--color-accent); margin-bottom: 8px; font-size: 18px; text-transform: uppercase; letter-spacing: 0.1em; }
.price-big { font-size: 56px; font-weight: 800; color: var(--color-text); margin: 16px 0; line-height: 1; }
.result-card p { margin: 4px 0; color: var(--color-muted); }

/* Contact */
.contact-section { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-grid h3 { color: var(--color-accent); margin-bottom: 16px; }
.contact-grid p { color: var(--color-muted); margin: 8px 0; }
.contact-grid i { color: var(--color-accent); width: 24px; }
.map-embed { margin-top: 24px; border-radius: var(--radius-md); overflow: hidden; }
.map-embed iframe { width: 100%; height: 300px; border: 0; }

/* CTA */
.cta-section { background: var(--color-surface); text-align: center; }

/* Footer */
.site-footer { background: var(--color-surface); border-top: 1px solid var(--color-border); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h3 { color: var(--color-accent); margin-bottom: 16px; font-size: 20px; }
.footer-grid h4 { color: var(--color-text); margin-bottom: 16px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-grid a { display: block; padding: 4px 0; color: var(--color-muted); font-size: 14px; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-grid p { color: var(--color-muted); font-size: 14px; margin: 4px 0; }
.footer-grid p i { color: var(--color-accent); width: 20px; }
.footer-bottom { text-align: center; padding-top: 32px; margin-top: 40px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: 13px; }

/* Error */
.error-page { padding: 120px 0; text-align: center; }
.error-page h1 { font-size: 8rem; color: var(--color-accent); margin-bottom: 0; line-height: 1; }
.error-page h2 { font-size: 32px; margin-bottom: 16px; }
.error-page p { color: var(--color-muted); margin-bottom: 32px; }
/* Form grid (iletisim sayfası için) */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 576px) { .form-grid { grid-template-columns: 1fr; } }