/* nowaChat — Hero Landing (FAZ 2: parallax + glassmorphism + scroll reveal) */

.landing {
  position: relative;
  z-index: 1;
}

/* Parallax katman değişkeni (js/landing.js günceller; yoksa 0) */
:root { --sy: 0; }

/* Ortak bölüm çerçevesi */
.section {
  width: min(1080px, 100%);
  margin-inline: auto;
  padding: clamp(3.5rem, 10vw, 7rem) var(--space-4);
}

.section-title {
  font-size: clamp(1.6rem, 6vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: var(--space-2);
}
.section-lead {
  text-align: center;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 auto clamp(2rem, 6vw, 3.5rem);
  line-height: 1.55;
}

/* ============ HERO ============ */

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 4rem);
  width: min(1080px, 100%);
  margin-inline: auto;
  padding: max(4rem, env(safe-area-inset-top)) var(--space-4)
           max(3rem, env(safe-area-inset-bottom));
  text-align: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  /* katmanlı parallax: kopya yavaşça yukarı kayar */
  transform: translateY(calc(var(--sy) * -0.04px));
}

.hero .emblem {
  width: 88px;
  height: 88px;
  filter: drop-shadow(0 0 28px rgba(139, 92, 246, 0.40))
          drop-shadow(0 0 44px rgba(34, 211, 238, 0.22));
  animation: float 6s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 12vw, 4.5rem);
  line-height: 1.0;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 40ch;
  color: var(--text-dim);
  font-size: clamp(1rem, 4.4vw, 1.25rem);
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-2);
}

/* Hero görsel: cam sohbet önizlemesi, 3B derinlik + float */
.hero-visual {
  display: flex;
  justify-content: center;
  perspective: 1200px;
  transform: translateY(calc(var(--sy) * 0.05px));
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    text-align: left;
  }
  .hero-copy { align-items: flex-start; }
  .hero-cta { justify-content: flex-start; }
}

/* ============ Butonlar ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  padding: 0 var(--space-4);
  border-radius: var(--radius-field);
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--glow-cta);
}
.btn-primary:hover { box-shadow: 0 12px 44px -8px rgba(217, 70, 239, 0.6); transform: translateY(-2px); }

.btn-ghost {
  color: var(--text);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }

.btn-lg { min-height: 52px; padding: 0 var(--space-5); font-size: 1.05rem; }
.btn:focus-visible { outline: none; box-shadow: var(--glow-focus); }

/* ============ Feature chip'ler (hero altı) ============ */

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-3);
}
@media (min-width: 860px) { .hero-features { justify-content: flex-start; } }

.chip {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--text-dim);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ============ Cam sohbet önizlemesi ============ */

.chat-preview {
  width: min(320px, 82vw);
  padding: var(--space-3);
  border-radius: var(--radius-card);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  box-shadow: var(--glow-card);
  transform: rotateY(-14deg) rotateX(7deg);
  transform-style: preserve-3d;
  animation: tilt-float 8s ease-in-out infinite;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chat-preview .cp-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--glass-border);
  transform: translateZ(30px);
}
.cp-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gradient-brand);
  font-size: 1.1rem;
}
.cp-name { font-weight: 600; font-size: 0.95rem; }
.cp-status { font-size: 0.75rem; color: var(--cyan); }

.bubble {
  max-width: 78%;
  padding: 0.55rem 0.8rem;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.35;
  transform: translateZ(20px);
}
.bubble.in {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-border);
  border-bottom-left-radius: 5px;
}
.bubble.out {
  align-self: flex-end;
  background: var(--gradient-brand);
  color: #fff;
  border-bottom-right-radius: 5px;
  box-shadow: 0 6px 20px -8px rgba(217, 70, 239, 0.6);
}
.cp-reaction {
  align-self: flex-start;
  margin-top: -0.35rem;
  font-size: 0.95rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  transform: translateZ(35px);
}
.cp-gift {
  align-self: center;
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.8rem; color: var(--amber);
  background: rgba(251, 191, 36, 0.10);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: 999px; padding: 0.2rem 0.7rem;
  transform: translateZ(28px);
}

/* ============ Feature bölümü ============ */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 720px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  padding: var(--space-4);
  border-radius: var(--radius-card);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 50px -30px rgba(0, 0, 0, 0.7);
  transition: transform var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.35);
  box-shadow: 0 30px 60px -28px rgba(139, 92, 246, 0.35);
}
.feature-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--radius-field);
  font-size: 1.6rem;
  background: var(--gradient-brand-soft);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--space-3);
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: var(--space-1); }
.feature-card p { color: var(--text-dim); line-height: 1.5; font-size: 0.95rem; }

/* ============ Derinlik bandı (parallax showcase) ============ */

.depth {
  position: relative;
  overflow: hidden;
}
.depth-card {
  position: relative;
  border-radius: var(--radius-card);
  padding: clamp(2.5rem, 8vw, 5rem) var(--space-4);
  text-align: center;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--glow-card);
  overflow: hidden;
}
.depth-card .glow {
  position: absolute;
  width: 60%; aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  top: -20%; left: -10%;
  background: radial-gradient(circle, var(--fuchsia), transparent 70%);
  transform: translateY(calc(var(--sy) * 0.06px));
  pointer-events: none;
}
.depth-card h2 {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin: 0 auto var(--space-3);
  position: relative;
}
.depth-card p { color: var(--text-dim); max-width: 44ch; margin: 0 auto; position: relative; }

/* ============ Final CTA ============ */

.cta-final { text-align: center; }
.cta-final h2 {
  font-size: clamp(1.8rem, 7vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.cta-final p { color: var(--text-dim); margin-bottom: var(--space-4); }

/* ============ Footer ============ */

.site-footer {
  border-top: 1px solid var(--glass-border);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.site-footer .foot-brand {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  margin-bottom: var(--space-1);
}
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.foot-links { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; margin: var(--space-2) 0; }

/* ============ Animasyonlar ============ */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes tilt-float {
  0%, 100% { transform: rotateY(-14deg) rotateX(7deg) translateY(0); }
  50% { transform: rotateY(-10deg) rotateX(5deg) translateY(-12px); }
}

/* ============ Reduced motion ============ */

@media (prefers-reduced-motion: reduce) {
  .hero-copy, .hero-visual, .depth-card .glow { transform: none !important; }
  .hero .emblem, .chat-preview { animation: none; }
  .chat-preview { transform: rotateY(-8deg) rotateX(4deg); }
}