/* ============================================================
   SIGNGLASS — Ana Stil Dosyası v2
   Tema: Luxury Glass | Bootstrap 5 + AOS + Google Fonts
============================================================ */

/* --- Değişkenler ----------------------------------------- */
:root {
  --sg-accent:      #b08968;
  --sg-accent-drk:  #8f6a45;
  --sg-accent-lgt:  #e8c9a3;
  --sg-accent-glow: rgba(176,137,104,0.35);
  --sg-dark:        #0d0d1a;
  --sg-dark-2:      #1a1a2e;
  --sg-gray:        #f8f7f4;
  --sg-gray-2:      #ede9e3;
  --sg-text:        #2d2d3d;
  --sg-muted:       #7a7a8c;
  --sg-radius:      1rem;
  --sg-radius-lg:   1.75rem;
  --sg-transition:  0.38s cubic-bezier(.4,0,.2,1);
  --sg-navbar-h:    72px;
  --sg-shadow:      0 4px 24px rgba(0,0,0,0.08);
  --sg-shadow-lg:   0 16px 56px rgba(0,0,0,0.13);
  --sg-shadow-acc:  0 12px 36px rgba(176,137,104,0.28);
}

/* --- Reset & Base ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  color: var(--sg-text);
  background: #fff;
  padding-top: var(--sg-navbar-h);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', Georgia, serif;
  letter-spacing: -0.02em;
}

.py-6  { padding-top: 6rem;  padding-bottom: 6rem; }
.py-7  { padding-top: 8rem;  padding-bottom: 8rem; }

/* --- Scroll Progress Bar --------------------------------- */
#sg-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sg-accent), var(--sg-accent-lgt));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
}

/* --- Marka / Accent --------------------------------------- */
.sg-brand           { color: var(--sg-dark-2); letter-spacing: -0.5px; font-family: 'Playfair Display', serif; }
.sg-brand span      { color: var(--sg-accent); }
.sg-accent          { color: var(--sg-accent-lgt); }
.sg-accent-text     { color: var(--sg-accent); }
.letter-spacing-2   { letter-spacing: 2px; }
.letter-spacing-3   { letter-spacing: 3px; }

/* --- Navbar ---------------------------------------------- */
.sg-navbar {
  height: var(--sg-navbar-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: background var(--sg-transition), box-shadow var(--sg-transition);
}
.sg-navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 28px rgba(0,0,0,0.09);
}
.sg-navbar .nav-link {
  color: var(--sg-text) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem !important;
  border-radius: 0.6rem;
  position: relative;
  transition: color var(--sg-transition);
}
.sg-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--sg-accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--sg-transition);
}
.sg-navbar .nav-link:hover::after,
.sg-navbar .nav-link.active::after { width: 60%; }
.sg-navbar .nav-link:hover { color: var(--sg-accent) !important; }
.sg-navbar .nav-link.active { color: var(--sg-accent) !important; }

/* --- Butonlar -------------------------------------------- */
.sg-btn-primary {
  background: linear-gradient(135deg, var(--sg-accent) 0%, var(--sg-accent-drk) 100%);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.4px;
  transition: transform var(--sg-transition), box-shadow var(--sg-transition), filter var(--sg-transition);
  position: relative;
  overflow: hidden;
}
.sg-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--sg-transition);
}
.sg-btn-primary:hover::before { opacity: 1; }
.sg-btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--sg-shadow-acc);
}
.sg-btn-primary:active { transform: translateY(-1px); }

.sg-btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all var(--sg-transition);
}
.sg-btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.9);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}
.sg-btn-outline-dark {
  background: transparent;
  color: var(--sg-accent);
  border: 2px solid var(--sg-accent);
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  transition: all var(--sg-transition);
}
.sg-btn-outline-dark:hover {
  background: var(--sg-accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--sg-shadow-acc);
}

/* --- Hero ------------------------------------------------ */
.sg-hero {
  position: relative;
  min-height: calc(100vh - var(--sg-navbar-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}
.sg-hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('https://images.unsplash.com/photo-1514362545857-3bc16c4c7d1b?w=1800&q=85')
    center/cover no-repeat;
  transform-origin: center;
  transition: transform 0.1s linear;
  will-change: transform;
}
.sg-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,13,26,0.82) 0%,
    rgba(26,26,46,0.65) 50%,
    rgba(176,137,104,0.25) 100%
  );
}
.sg-hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(176,137,104,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.sg-hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
}
.sg-hero-eyebrow {
  color: var(--sg-accent-lgt);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 4px;
}
.sg-hero-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  line-height: 1.08;
  text-shadow: 0 4px 32px rgba(0,0,0,0.35);
}
.sg-hero-title .sg-accent { color: var(--sg-accent-lgt); }
.sg-hero-sub {
  color: rgba(255,255,255,0.8);
  font-weight: 300;
  line-height: 1.7;
  font-size: 1.1rem;
}
.sg-hero-actions { gap: 1rem; }

/* Floating glass orbs */
.sg-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: sgOrb 8s ease-in-out infinite;
}
.sg-orb-1 {
  width: 340px; height: 340px;
  right: 8%; top: 10%;
  background: radial-gradient(circle, rgba(176,137,104,0.12) 0%, transparent 70%);
  border: 1px solid rgba(176,137,104,0.08);
  animation-delay: 0s;
}
.sg-orb-2 {
  width: 200px; height: 200px;
  right: 18%; bottom: 20%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border: 1px solid rgba(255,255,255,0.04);
  animation-delay: -3s;
}
.sg-orb-3 {
  width: 120px; height: 120px;
  left: 5%; bottom: 30%;
  background: radial-gradient(circle, rgba(176,137,104,0.08) 0%, transparent 70%);
  border: 1px solid rgba(176,137,104,0.06);
  animation-delay: -5s;
}
@keyframes sgOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-24px) scale(1.04); }
}

/* Scroll indicator */
.sg-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.45);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.sg-scroll-hint-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* --- Stats Strip ----------------------------------------- */
.sg-stats {
  background: var(--sg-dark-2);
  padding: 3rem 0;
}
.sg-stat-item {
  text-align: center;
  color: #fff;
  padding: 0.5rem 1.5rem;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.sg-stat-item:last-child { border-right: none; }
.sg-stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--sg-accent-lgt);
  line-height: 1;
  display: block;
}
.sg-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 0.4rem;
  display: block;
}

/* --- Section headers ------------------------------------- */
.sg-section-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--sg-accent);
  display: block;
  margin-bottom: 0.75rem;
}
.sg-section-title {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  color: var(--sg-text);
}
.sg-section-divider {
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--sg-accent), var(--sg-accent-lgt));
  border-radius: 4px;
  margin: 0 auto 1.25rem;
}

/* --- Kartlar --------------------------------------------- */
.sg-card {
  border-radius: var(--sg-radius-lg) !important;
  transition: transform var(--sg-transition), box-shadow var(--sg-transition);
  overflow: hidden;
  background: #fff;
}
.sg-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sg-shadow-lg) !important;
}
.sg-card-img-wrap {
  height: 280px;
  background: var(--sg-gray);
  overflow: hidden;
  position: relative;
}
.sg-card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,26,0.2), transparent 60%);
  opacity: 0;
  transition: opacity var(--sg-transition);
}
.sg-card:hover .sg-card-img-wrap::after { opacity: 1; }
.sg-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(.4,0,.2,1);
}
.sg-card:hover .sg-card-img { transform: scale(1.07); }
.sg-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--sg-gray) 0%, var(--sg-gray-2) 100%);
}
.sg-card .card-body {
  border-top: 1px solid rgba(0,0,0,0.04);
}
.sg-card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sg-accent);
  margin-bottom: 0.35rem;
  display: block;
}

/* --- Features -------------------------------------------- */
.sg-features {
  background: linear-gradient(160deg, var(--sg-gray) 0%, #fff 100%);
}
.sg-feature-card {
  background: #fff;
  border-radius: var(--sg-radius-lg);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(0,0,0,0.05);
  transition: transform var(--sg-transition), box-shadow var(--sg-transition), border-color var(--sg-transition);
  text-align: center;
  height: 100%;
}
.sg-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sg-shadow-lg);
  border-color: rgba(176,137,104,0.12);
}
.sg-feature-icon-wrap {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(176,137,104,0.12), rgba(232,201,163,0.1));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform var(--sg-transition), background var(--sg-transition);
}
.sg-feature-card:hover .sg-feature-icon-wrap {
  transform: scale(1.1) rotate(-4deg);
  background: linear-gradient(135deg, rgba(176,137,104,0.2), rgba(232,201,163,0.18));
}
.sg-feature-icon {
  font-size: 2rem;
  color: var(--sg-accent);
}
.sg-feature-card h5 { font-size: 1.15rem; }
.sg-feature-card p  { font-size: 0.92rem; line-height: 1.7; }

/* --- CTA Section ----------------------------------------- */
.sg-cta {
  background: linear-gradient(135deg, var(--sg-dark) 0%, var(--sg-dark-2) 50%, #2a1f3d 100%);
  position: relative;
  overflow: hidden;
}
.sg-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 20% 50%, rgba(176,137,104,0.15), transparent),
              radial-gradient(ellipse 50% 60% at 80% 50%, rgba(176,137,104,0.08), transparent);
}
.sg-cta-content { position: relative; z-index: 1; }
.sg-cta-deco {
  position: absolute;
  font-size: 18rem;
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  color: rgba(255,255,255,0.02);
  right: -2rem;
  top: -2rem;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* --- Sayfa başlığı --------------------------------------- */
.sg-page-header {
  background: linear-gradient(160deg, var(--sg-gray) 0%, #fff 100%);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* --- Stat box -------------------------------------------- */
.sg-stat-box {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--sg-radius);
  transition: box-shadow var(--sg-transition), transform var(--sg-transition);
}
.sg-stat-box:hover {
  box-shadow: var(--sg-shadow);
  transform: translateY(-3px);
}

/* --- Detay sayfası --------------------------------------- */
.sg-detail-img {
  height: 460px;
  object-fit: cover;
  border-radius: var(--sg-radius);
}
.sg-thumb {
  width: 76px;
  height: 76px;
  object-fit: cover;
  border-radius: 0.6rem;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.65;
  transition: all 0.25s;
}
.sg-thumb:hover, .sg-thumb.active {
  border-color: var(--sg-accent);
  opacity: 1;
}
.sg-divider {
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--sg-accent), var(--sg-accent-lgt));
  border-radius: 4px;
}
.sg-description {
  font-size: 1.03rem;
  line-height: 1.8;
  color: var(--sg-muted);
}

/* --- Carousel -------------------------------------------- */
.sg-carousel .carousel-control-prev,
.sg-carousel .carousel-control-next {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--sg-accent), var(--sg-accent-drk));
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.9;
  box-shadow: 0 4px 16px rgba(176,137,104,0.4);
  transition: opacity var(--sg-transition), transform var(--sg-transition);
}
.sg-carousel .carousel-control-prev:hover,
.sg-carousel .carousel-control-next:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.08);
}

/* --- İletişim -------------------------------------------- */
.sg-contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(176,137,104,0.14), rgba(232,201,163,0.1));
  color: var(--sg-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.sg-form .form-control {
  border-radius: 0.75rem;
  border-color: rgba(0,0,0,0.1);
  padding: 0.8rem 1.1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.93rem;
  transition: border-color var(--sg-transition), box-shadow var(--sg-transition);
}
.sg-form .form-control:focus {
  border-color: var(--sg-accent);
  box-shadow: 0 0 0 3px rgba(176,137,104,0.12);
}

/* --- Footer ---------------------------------------------- */
.sg-footer {
  background: linear-gradient(160deg, var(--sg-dark) 0%, #1a1a30 100%);
  color: rgba(255,255,255,0.8);
}
.sg-footer h6                { color: rgba(255,255,255,0.95) !important; font-family: 'Playfair Display', serif; }
.sg-footer .text-muted       { color: rgba(255,255,255,0.45) !important; }
.sg-footer .small            { color: rgba(255,255,255,0.65); }
.sg-footer hr                { border-color: rgba(255,255,255,0.08) !important; }
.sg-footer .text-center.text-muted { color: rgba(255,255,255,0.4) !important; }
.sg-footer .sg-brand         { color: #fff; font-size: 1.4rem; }
.sg-footer .sg-brand span    { color: var(--sg-accent); }
.sg-footer-link {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.88rem;
  transition: color var(--sg-transition), padding-left var(--sg-transition);
}
.sg-footer-link:hover {
  color: var(--sg-accent-lgt);
  padding-left: 6px;
}
.sg-footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--sg-transition);
  margin-right: 0.5rem;
}
.sg-footer-social:hover {
  border-color: var(--sg-accent);
  color: var(--sg-accent-lgt);
  background: rgba(176,137,104,0.12);
}

/* --- Scroll-to-top --------------------------------------- */
#sg-back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sg-accent), var(--sg-accent-drk));
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--sg-shadow-acc);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--sg-transition), transform var(--sg-transition);
  z-index: 1000;
}
#sg-back-top.visible {
  opacity: 1;
  transform: translateY(0);
}
#sg-back-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(176,137,104,0.4);
}

/* --- Marquee strip --------------------------------------- */
.sg-marquee-wrap {
  background: var(--sg-accent);
  overflow: hidden;
  padding: 0.75rem 0;
}
.sg-marquee {
  display: flex;
  gap: 0;
  animation: marquee 22s linear infinite;
  white-space: nowrap;
}
.sg-marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0 2rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
}
.sg-marquee-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  display: inline-block;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --- 404 ------------------------------------------------- */
.sg-404-num {
  font-size: clamp(6rem, 20vw, 12rem);
  color: var(--sg-accent);
  opacity: 0.2;
  line-height: 1;
  font-family: 'Playfair Display', serif;
}

/* --- Responsive ------------------------------------------ */
@media (max-width: 768px) {
  .sg-hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .sg-stat-item  { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 1rem; }
  .sg-stat-item:last-child { border-bottom: none; }
  .sg-orb-1, .sg-orb-2, .sg-orb-3 { display: none; }
  .sg-scroll-hint { display: none; }
  #sg-back-top   { bottom: 1.25rem; right: 1.25rem; }
}

/* --- AOS overrides --------------------------------------- */
[data-aos] { backface-visibility: hidden; }