/* ==================== Genel ==================== */
html { scroll-behavior: smooth; }
::selection { background: #D4AF37; color: #171009; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #FBF7EE; }
::-webkit-scrollbar-thumb { background: #171009; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #D4AF37; }

/* ==================== Scroll Progress Bar ==================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #B8860B, #F4D160);
  z-index: 70;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(212,175,55,0.6);
}

/* ==================== Header ==================== */
#siteHeader.scrolled {
  background: rgba(13, 9, 6, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px -10px rgba(0,0,0,0.5);
  border-bottom: 1px solid rgba(212,175,55,0.15);
}
#siteHeader.scrolled #headerInner { height: 4.5rem; }

.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: #D4AF37;
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active-link::after { width: 100%; }
.nav-link.active-link { color: #D4AF37 !important; }

#mobileMenu {
  background-color: #0D0906;
}
#mobileMenu.open { transform: translateX(0); }

/* ==================== Hero ==================== */
.hero-bg {
  background: radial-gradient(120% 100% at 15% 20%, #2a1c0f 0%, #171009 55%, #0D0906 100%);
}
.hero-logo-glow {
  position: absolute;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(212,175,55,0.35) 0%, transparent 70%);
  filter: blur(10px);
  z-index: 0;
}

/* ==================== Marquee Ticker ==================== */
.marquee-strip {
  background: #0D0906;
  border-top: 2px solid #D4AF37;
  border-bottom: 2px solid #D4AF37;
  overflow: hidden;
  position: relative;
  padding: 0.9rem 0;
}
.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  white-space: nowrap;
  animation: marquee-scroll 34s linear infinite;
}
.marquee-strip:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  padding: 0 1.25rem;
}
.marquee-sep {
  color: #D4AF37;
  font-size: 1.1rem;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==================== Watermark Section Text ==================== */
.watermark-text {
  position: absolute;
  top: -1.75rem; left: 50%;
  transform: translateX(-50%);
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(23,16,9,0.07);
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.03em;
}
.watermark-text.watermark-light {
  -webkit-text-stroke: 1px rgba(255,255,255,0.07);
}

/* ==================== Scroll Reveal ==================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== Architectural Notch Buttons ==================== */
.btn-notch {
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ==================== Service Cards ==================== */
.service-card {
  border: 1px solid rgba(23,16,9,0.06);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px -12px rgba(212,175,55,0.35);
}

/* ==================== Contact Form ==================== */
.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: 0.75rem;
  border: 1.5px solid rgba(23,16,9,0.15);
  background: #FBF7EE;
  font-size: 0.95rem;
  color: #171009;
  transition: all 0.25s ease;
}
.form-input:focus {
  outline: none;
  border-color: #D4AF37;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(212,175,55,0.18);
}
.form-input.input-error { border-color: #dc2626; }
.form-error {
  display: none;
  color: #dc2626;
  font-size: 0.78rem;
  margin-top: 0.35rem;
}
.form-error.show { display: block; }

/* ==================== Footer Socials ==================== */
.social-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  transition: all 0.3s ease;
}
.social-icon:hover { background: #D4AF37; color: #171009; transform: translateY(-3px); }

/* ==================== Floating Buttons ==================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 30px -6px rgba(37,211,102,0.7);
  z-index: 40;
  animation: pulse-wa 2.4s infinite;
}
.whatsapp-float:hover { transform: scale(1.08); }

@keyframes pulse-wa {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55); }
  70% { box-shadow: 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.back-to-top {
  position: fixed;
  bottom: 28px; left: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #171009;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 8px 24px -6px rgba(23,16,9,0.5);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.35s ease;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: #D4AF37; color: #171009; }

@media (max-width: 640px) {
  .whatsapp-float { bottom: 18px; right: 18px; width: 54px; height: 54px; font-size: 1.7rem; }
  .back-to-top { bottom: 18px; left: 18px; width: 44px; height: 44px; }
}