/* Temel tipografi ve renkler */
:root {
  --bg: #0b1220;           /* daha yumuşak koyu mavi/siyah */
  --panel: #111827;        /* panel koyu gri */
  --text: #e8eef5;         /* yumuşatılmış açık metin */
  --muted: #a8b3c2;        /* daha nazik gri */
  --primary: #22c55e;      /* green-500 daha nazik */
  --primary-strong: #16a34a;/* hover için */
  --whatsapp: #25d366;
  --card: #172133;         /* daha yumuşak kart zemini */
  --border: #2a3a53;       /* yumuşak sınır */
  --accent: #60a5fa;       /* mavi vurguyu yumuşat */
  --glow: 0 10px 30px rgba(96,165,250,0.15);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% 0%, rgba(96,165,250,0.08), transparent),
              radial-gradient(1200px 600px at 90% 0%, rgba(34,197,94,0.08), transparent),
              linear-gradient(180deg, var(--bg), #0a111d);
  color: var(--text);
  line-height: 1.6;
}

/* Global reveal animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Staggered delays for common grids */
.grid .card:nth-child(1) { transition-delay: .02s; }
.grid .card:nth-child(2) { transition-delay: .08s; }
.grid .card:nth-child(3) { transition-delay: .14s; }
.grid .card:nth-child(4) { transition-delay: .20s; }

.gallery-grid .gallery-item:nth-child(1) { transition-delay: .04s; }
.gallery-grid .gallery-item:nth-child(2) { transition-delay: .12s; }
.gallery-grid .gallery-item:nth-child(3) { transition-delay: .20s; }
.gallery-grid .gallery-item:nth-child(4) { transition-delay: .28s; }

.areas .area-card:nth-child(1) { transition-delay: .08s; }
.areas .area-card:nth-child(2) { transition-delay: .16s; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition: none; transform: none !important; opacity: 1 !important; }
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,17,29,0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-circle { display: none; }
.logo-img { width: 40px; height: 40px; display: block; }
.brand-text { display: flex; flex-direction: column; font-size: 14px; }
.brand-text strong { font-size: 16px; }
.brand-text span { color: var(--muted); }

.cta { display: flex; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: 10px; background: rgba(31,42,61,0.8); border: 1px solid var(--border); }
.btn-icon img { width: 22px; height: 22px; }
.btn-icon:hover { filter: brightness(1.05); }
.btn-primary { background: var(--primary); color: #001b0b; box-shadow: var(--glow); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-whatsapp { background: var(--whatsapp); color: #032b1a; box-shadow: var(--glow); }
.btn-whatsapp:hover { filter: brightness(0.95); }
.btn-wa { background: #25d366; border-color: rgba(0,0,0,0.1); }
.btn.has-icon { display: inline-flex; gap: 8px; }
.btn.has-icon img { width: 18px; height: 18px; }

/* Hero */
.hero {
  padding: 56px 0 32px;
  background: radial-gradient(1000px 400px at 10% 0%, rgba(99,179,237,0.18), transparent),
              radial-gradient(1000px 400px at 90% 0%, rgba(52,211,153,0.16), transparent);
  border-bottom: 1px solid var(--border);
}
.hero-title { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.logo-hero { width: 52px; height: 52px; flex-shrink: 0; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.2)); }
.hero h1 { font-size: 32px; line-height: 1.2; margin: 0 0 12px; }
.hero p { color: var(--muted); margin: 0 0 16px; }
.trust-points { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px 16px; padding: 0; margin: 0 0 16px; list-style: none; }
.trust-points li { color: var(--muted); display: flex; align-items: center; gap: 8px; }
.trust-points img { width: 18px; height: 18px; flex-shrink: 0; }
.cta-inline { display: flex; flex-wrap: wrap; gap: 10px; }

/* Services */
/* video-banner kaldırıldı */
.services { padding: 40px 0; }
.services h2 { font-size: 24px; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; align-items: stretch; }
.card {
  background: linear-gradient(180deg, var(--card), #0f1a2a);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 1px 0 rgba(255,255,255,0.02) inset;
  display: grid;
  grid-template-rows: auto auto 1fr auto; /* başlık, açıklama, esnek boşluk, liste */
  gap: 10px;
  height: 100%;
}
.card h3 { margin: 0; font-size: 18px; line-height: 1.35; }
.card p { margin: 0; color: var(--muted); }
.card .desc { margin-top: 2px; }
.card ul { margin: 0; padding-left: 0; color: var(--muted); }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.card .title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 2px; min-height: 28px; }
.icon { width: 24px; height: 24px; opacity: 0.95; flex-shrink: 0; }

/* Feature list with check icons */
.feature-list { display: grid; grid-template-columns: 1fr; gap: 8px; list-style: none; border-top: 1px solid var(--border); padding-top: 10px; }
.feature-list li { display: flex; align-items: flex-start; gap: 8px; }
.feature-list img { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }

/* Areas */
.areas { padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.areas h2 { font-size: 22px; margin: 0 0 12px; }
.areas .areas-wrap { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.areas .area-card { background: linear-gradient(180deg, var(--card), #111b2b); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.areas .area-title { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-weight: 600; }
.areas .area-title img { width: 18px; height: 18px; }
.areas .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.areas .chip { background: rgba(96,165,250,0.12); border: 1px solid rgba(96,165,250,0.35); color: #d7e8ff; padding: 6px 10px; border-radius: 999px; font-size: 13px; }

/* References */
.references { padding: 32px 0; }
.references h2 { font-size: 22px; margin: 0 0 12px; }
.badges { display: flex; gap: 10px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 12px; }
.badges li {
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.35);
  color: #c7eafd;
  padding: 6px 10px; border-radius: 999px; font-size: 13px;
}

/* Gallery */
.gallery { padding: 48px 0; border-top: 1px solid var(--border); background: radial-gradient(800px 300px at 50% 0%, rgba(96,165,250,0.10), transparent); }
.gallery h2 { font-size: 22px; margin: 0 0 8px; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.gallery-item { background: linear-gradient(180deg, var(--card), #0f1a2a); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.gallery-item img { width: 100%; height: 360px; object-fit: cover; display: block; background: #0b1220; }
.gallery-item figcaption { padding: 10px 12px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
.gallery-item:hover { transform: translateY(-2px); transition: transform .2s ease; }

/* Contact */
.contact { padding: 32px 0; }
.contact h2 { font-size: 22px; margin: 0 0 12px; }
.contact p { color: var(--muted); margin: 0 0 12px; }
.contact-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.small { color: var(--muted); font-size: 13px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; background: rgba(17,24,39,0.6); }
.footer-nav { display: flex; gap: 14px; margin-bottom: 8px; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-item img { height: 300px; }
  /* video-banner kaldırıldı */
}

@media (max-width: 640px) {
  .site-header .container { flex-direction: row; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: nowrap; }
  .cta { flex-wrap: nowrap; gap: 8px; }
  .brand { width: auto; }
  .cta .btn-icon { width: 40px; height: 40px; }
  .hero h1 { font-size: 24px; }
  .logo-hero { width: 40px; height: 40px; }
  .grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item img { height: 240px; }
  /* video-banner kaldırıldı */
}