/* ==========================================================================
   Kayalar Temizlik — Özel Stiller
   Tailwind CDN dışındaki keyframe animasyonları ve yardımcı sınıflar
   ========================================================================== */

:root {
  --primary: #0ea5e9;
  --secondary: #1d4ed8;
  --accent: #38bdf8;
  --bg-soft: #f0f9ff;
  --ink: #0f172a;
  --ink-soft: #334155;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* sticky navbar yüksekliği */
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background-color: #ffffff;
}

h1, h2, h3, .font-head {
  font-family: "Poppins", "Inter", sans-serif;
}

/* --------------------------------------------------------------------------
   Scroll Reveal (IntersectionObserver ile tetiklenir)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Kademeli (stagger) gecikmeler */
.reveal.delay-1 { transition-delay: 0.10s; }
.reveal.delay-2 { transition-delay: 0.20s; }
.reveal.delay-3 { transition-delay: 0.30s; }
.reveal.delay-4 { transition-delay: 0.40s; }

/* Yanlardan giriş (Neden Biz timeline) */
.reveal-left  { opacity: 0; transform: translateX(-40px); filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px); filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease; }
.reveal-left.is-visible,
.reveal-right.is-visible { opacity: 1; transform: translateX(0); filter: blur(0); }

/* --------------------------------------------------------------------------
   Dekoratif floating şekiller (Hero)
   -------------------------------------------------------------------------- */
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-18px) rotate(6deg); }
}
.floaty      { animation: floaty 6s ease-in-out infinite; }
.floaty-slow { animation: floaty 9s ease-in-out infinite; }

/* --------------------------------------------------------------------------
   Kart üzerinde ışık "sweep" efekti (hover)
   -------------------------------------------------------------------------- */
.sweep::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.45) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.8s ease;
  pointer-events: none;
}
.sweep:hover::before { transform: translateX(120%); }

/* 3D tilt hover hissi için yumuşak zemin */
.tilt { transform-style: preserve-3d; transition: transform 0.35s ease; }

/* --------------------------------------------------------------------------
   CTA parlama (shine) efekti
   -------------------------------------------------------------------------- */
.btn-shine { position: relative; overflow: hidden; }
.btn-shine::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(120deg, transparent 40%, rgba(255,255,255,0.55) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.7s ease;
}
.btn-shine:hover::after { transform: translateX(120%); }

/* --------------------------------------------------------------------------
   Mobil sabit alt bar — WhatsApp glow
   -------------------------------------------------------------------------- */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55); }
  50%      { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
}
.glow { animation: glow 2.2s ease-out infinite; }

/* --------------------------------------------------------------------------
   Süreç (Nasıl Çalışıyoruz) — adımlar arası bağlantı çizgisi (desktop)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .process li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 52px;
    right: -12px;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    border-radius: 2px;
  }
}

/* --------------------------------------------------------------------------
   SSS (FAQ) — açılış animasyonu
   -------------------------------------------------------------------------- */
.faq summary::-webkit-details-marker { display: none; }
.faq[open] summary { color: var(--secondary); }
.faq > p {
  animation: faq-open 0.35s ease;
}
@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Görsel yüklenemezse zarif gradyan yedek (onerror ile eklenir)
   -------------------------------------------------------------------------- */
.img-fallback {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
}

/* --------------------------------------------------------------------------
   Galeri — filtre çipleri
   -------------------------------------------------------------------------- */
.gallery-chip {
  background: #fff;
  color: var(--ink-soft);
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.4);
}
.gallery-chip:hover {
  color: var(--secondary);
  box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.55);
}
.gallery-chip.is-active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(14, 165, 233, 0.5);
}

/* Galeri — filtrelenen öğeler (gal-pop sınıfı JS ile filtre değişince eklenir) */
.gallery-item.is-hidden { display: none; }
.gallery-item.gal-pop { animation: gal-in 0.45s ease; }
@keyframes gal-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Galeri — Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.lightbox.is-open { opacity: 1; }

.lb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.lb-figure { margin: 0; text-align: center; }
.lb-figure img {
  display: block;
  width: auto;
  height: auto;
  max-height: 80vh;
  max-width: min(92vw, 860px);
  border-radius: 1rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.6);
  animation: lb-zoom 0.3s ease;
}
@keyframes lb-zoom {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
.lb-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.75rem;
  color: #e2e8f0;
  font-size: 0.875rem;
}
.lb-counter {
  flex-shrink: 0;
  color: #94a3b8;
  font-variant-numeric: tabular-nums;
}

.lb-btn {
  position: absolute;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lb-btn:hover { background: rgba(255, 255, 255, 0.22); transform: scale(1.06); }
.lb-close { top: 1rem; right: 1rem; }
.lb-prev  { left: 0.75rem; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 0.75rem; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { transform: translateY(-50%) scale(1.06); }
.lb-next:hover { transform: translateY(-50%) scale(1.06); }

@media (min-width: 768px) {
  .lb-prev { left: 2rem; }
  .lb-next { right: 2rem; }
}

/* --------------------------------------------------------------------------
   Erişilebilir odak stili
   -------------------------------------------------------------------------- */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   prefers-reduced-motion — hareket azaltma açıksa animasyonları sadeleştir
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.2s !important;
  }
  .reveal, .reveal-left, .reveal-right {
    filter: none;
    transform: none;
  }
  .floaty, .floaty-slow, .glow { animation: none !important; }
}