/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy:    #0D1B2A;
  --navy2:   #112233;
  --steel:   #1E3A5F;
  --accent:  #F4A261;
  --accent2: #E76F51;
  --gray:    #8B9BAA;
  --light:   #E8EDF2;
  --white:   #FFFFFF;
  --glass:   rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
  --shadow:  0 8px 32px rgba(0,0,0,0.4);
  --radius:  16px;
  --transition: 0.4s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--navy);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 3px; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  background: rgba(13,27,42,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

#navbar.scrolled {
  padding: 12px 5%;
  box-shadow: 0 6px 32px rgba(0,0,0,0.4);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  height: 56px;
  width: auto;
  filter: invert(1);
  transition: var(--transition);
}

.logo-img:hover { opacity: 0.85; }

#navbar.scrolled .logo-img { height: 48px; }

.footer-brand .logo-img {
  height: 52px;
  margin-bottom: 12px;
}

.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 18px;
  color: var(--white);
  letter-spacing: -1px;
  box-shadow: 0 4px 15px rgba(244,162,97,0.4);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-text span { color: var(--accent); }

nav { display: flex; align-items: center; gap: 8px; }

nav a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

nav a:hover, nav a.active {
  color: var(--white);
  background: var(--glass);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2)) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(244,162,97,0.3);
}

.nav-cta:hover {
  background: var(--glass) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(244,162,97,0.4) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  width: 24px; height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 5%;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0D1B2A 0%, #1E3A5F 50%, #0D1B2A 100%);
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 50%, rgba(244,162,97,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(30,58,95,0.5) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

.hero-image {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 55%;
  overflow: hidden;
  z-index: 1;
}

.hero-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.35;
  filter: grayscale(20%) contrast(1.1);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--navy) 0%, transparent 40%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244,162,97,0.12);
  border: 1px solid rgba(244,162,97,0.3);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
  color: var(--white);
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--white);
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(244,162,97,0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(244,162,97,0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--glass-border);
}

.stat { text-align: left; }

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
}

.stat-num span { color: var(--accent); }

.stat-label {
  font-size: 0.8rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SECTIONS ===== */
section { padding: 100px 5%; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--gray);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
#hizmetler { background: var(--navy2); }

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
  gap: 24px;
  flex-wrap: wrap;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border-color: rgba(244,162,97,0.2);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  background: rgba(244,162,97,0.12);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(244,162,97,0.2);
  transform: scale(1.1);
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 20px;
  transition: var(--transition);
}

.service-card:hover .service-arrow { gap: 10px; }

/* ===== PROJECTS ===== */
#projeler { background: var(--navy); }

.projects-header {
  text-align: center;
  margin-bottom: 60px;
}

.projects-header .section-label { justify-content: center; }

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: var(--white);
}

/* ===== GALERİ ===== */
.gallery-section { padding: 100px 5%; background: var(--navy); }

.gallery-header { text-align: center; margin-bottom: 40px; }
.gallery-header .section-label { justify-content: center; }
.gallery-header .section-title { margin: 0 auto; }

.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.gf-btn {
  padding: 8px 22px;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.gf-btn.active, .gf-btn:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 260px;
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--steel);
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.gallery-item.big {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}

.gallery-item:hover img { transform: scale(1.07); }

.gi-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.95) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.gallery-item:hover .gi-overlay { opacity: 1; }

.gi-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.gi-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.gi-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
}

.gallery-item.hidden {
  display: none;
}

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2,1fr); grid-auto-rows: 180px; }
  .gallery-item.big { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery-item.big { grid-column: span 1; }
}

/* ===== CARDSTACK 3D FAN ===== */
.cardstack-section {
  padding: 100px 5% 80px;
  background: var(--navy);
  overflow: hidden;
  text-align: center;
}

.cardstack-header { margin-bottom: 48px; }
.cardstack-header .section-label { justify-content: center; }
.cardstack-header .section-title { margin: 0 auto; }

.cardstack-stage {
  position: relative;
  width: 100%;
  height: 440px;
  perspective: 1100px;
}

.cardstack-spotlight-top {
  pointer-events: none;
  position: absolute;
  top: 24px; left: 50%;
  transform: translateX(-50%);
  width: 70%; height: 192px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  filter: blur(40px);
}

.cardstack-spotlight-bottom {
  pointer-events: none;
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 76%; height: 160px;
  border-radius: 50%;
  background: rgba(0,0,0,0.25);
  filter: blur(40px);
}

.cardstack-fan {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.cs-card {
  position: absolute;
  bottom: 0;
  width: 340px;
  height: 300px;
  border-radius: 18px;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transition: transform 0.55s cubic-bezier(0.34,1.2,0.64,1), opacity 0.4s ease;
  will-change: transform;
  transform-style: preserve-3d;
  user-select: none;
}

.cs-card.active { cursor: grab; border-color: rgba(244,162,97,0.25); }
.cs-card.active:active { cursor: grabbing; }
.cs-card:not(.active) { cursor: pointer; }

.cs-card img {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  transition: transform 0.6s ease;
}

.cs-card.active img { transform: scale(1.03); }

.cs-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.2) 50%, transparent 100%);
}

.cs-card-body {
  position: absolute;
  inset-x: 0; bottom: 0;
  padding: 24px;
  color: var(--white);
}

.cs-card-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.cs-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 4px;
}

.cs-card-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cs-card-empty {
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px;
  background: linear-gradient(135deg,var(--navy2),var(--steel));
  width: 100%; height: 100%;
  color: var(--gray); font-size: 0.85rem;
}

.cardstack-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.cs-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none; cursor: pointer;
  transition: var(--transition); padding: 0;
}
.cs-dot.active { background: var(--accent); transform: scale(1.3); }

.cardstack-empty {
  color: var(--gray); font-size: 0.9rem;
  padding: 60px; text-align: center;
}

/* ===== GALLERY4 CAROUSEL ===== */
.gallery4-section { padding: 100px 0; background: var(--navy); overflow: hidden; }

.gallery4-section .container { padding: 0 5%; }

.gallery4-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}

.gallery4-nav {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.gallery4-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.gallery4-btn:hover:not(:disabled) {
  background: rgba(244,162,97,0.15);
  border-color: rgba(244,162,97,0.4);
  color: var(--accent);
}

.gallery4-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.gallery4-track-wrap { width: 100%; overflow: hidden; cursor: grab; }
.gallery4-track-wrap:active { cursor: grabbing; }

.gallery4-track {
  display: flex;
  gap: 20px;
  padding: 0 5%;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
  user-select: none;
}

.gallery4-card {
  flex: 0 0 320px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  min-height: 432px;
  cursor: pointer;
  background: var(--steel);
  transition: transform 0.4s ease;
}

.gallery4-card:hover { transform: translateY(-4px); }

@media (min-width: 1024px) { .gallery4-card { flex: 0 0 360px; } }

.gallery4-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery4-card:hover img { transform: scale(1.05); }

.gallery4-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0) 0%, rgba(13,27,42,0.4) 50%, rgba(13,27,42,0.8) 100%);
  mix-blend-mode: multiply;
}

.gallery4-card-body {
  position: absolute;
  inset-x: 0; bottom: 0;
  padding: 28px;
  color: var(--white);
}

.gallery4-card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.gallery4-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.gallery4-card-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.gallery4-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.3s ease;
}

.gallery4-card:hover .gallery4-card-more { gap: 10px; }

.gallery4-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.gallery4-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(244,162,97,0.2);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.gallery4-dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

.gallery4-empty {
  padding: 60px;
  text-align: center;
  border-radius: var(--radius);
  border: 1px dashed rgba(255,255,255,0.1);
  color: var(--gray);
  font-size: 0.9rem;
  width: 100%;
}

/* Legacy — artık kullanılmıyor ama lightbox için kalıyor */
.project-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy2), var(--steel));
  flex-direction: column; gap: 12px;
}
.project-placeholder .ph-icon { font-size: 2.5rem; opacity: 0.4; }
.project-placeholder .ph-text { font-size: 0.8rem; color: var(--gray); }

/* ===== LIGHTBOX ===== */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.95);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

#lightbox.open { display: flex; }

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 2rem;
  color: var(--white);
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  background: none; border: none;
  line-height: 1;
}

.lightbox-close:hover { opacity: 1; transform: scale(1.2); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--white);
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.lightbox-nav:hover { background: rgba(255,255,255,0.15); }
#lb-prev { left: 20px; }
#lb-next { right: 20px; }

/* ===== ABOUT ===== */
#hakkimizda { background: var(--navy2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-images {
  position: relative;
  height: 520px;
}

.about-img-main {
  position: absolute;
  top: 0; left: 0;
  width: 75%; height: 80%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-img-main img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.about-img-secondary {
  position: absolute;
  bottom: 0; right: 0;
  width: 55%; height: 50%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 4px solid var(--navy2);
}

.about-img-secondary img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: 120px; left: -20px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 14px;
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(244,162,97,0.4);
  z-index: 2;
}

.about-badge-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  display: block;
}

.about-badge-text {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.8);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content { padding-right: 20px; }

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition);
}

.about-feature:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(244,162,97,0.2);
}

.feature-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-text { font-size: 0.85rem; color: var(--light); font-weight: 500; }

/* ===== CONTACT ===== */
#iletisim { background: var(--navy); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info { padding-top: 20px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-icon {
  width: 48px; height: 48px;
  background: rgba(244,162,97,0.12);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--light);
  font-weight: 500;
}

.contact-form {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: rgba(244,162,97,0.05);
  box-shadow: 0 0 0 3px rgba(244,162,97,0.1);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-group select option { background: var(--navy); }

.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(244,162,97,0.3);
  letter-spacing: 0.5px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(244,162,97,0.45);
}

.contact-map {
  margin-top: 8px;
}

.map-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.map-link:hover { gap: 9px; }

.form-success {
  display: none;
  text-align: center;
  padding: 20px;
  color: var(--accent);
  font-weight: 600;
}

/* ===== SHADER CANVAS (HERO) ===== */
#shader-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.18;
  pointer-events: none;
}

/* ===== PRICING / PAKETLER ===== */
.pricing-section {
  position: relative;
  padding: 100px 5%;
  background: var(--navy2);
  overflow: hidden;
  text-align: center;
}

#pricing-shader {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.12;
  pointer-events: none;
}

.pricing-inner { position: relative; z-index: 1; }

.pricing-header { margin-bottom: 56px; }
.pricing-header .section-label { justify-content: center; }
.pricing-header .section-title { margin: 0 auto; }
.pricing-header .section-desc { margin: 16px auto 0; }

.pricing-cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.pricing-card {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 36px 28px;
  flex: 1;
  min-width: 260px;
  max-width: 320px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: var(--transition);
  text-align: left;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(244,162,97,0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.pricing-card-popular {
  transform: scale(1.05);
  border-color: rgba(100,220,255,0.25);
  background: linear-gradient(135deg, rgba(255,255,255,0.13) 0%, rgba(255,255,255,0.06) 100%);
  box-shadow: 0 0 40px rgba(100,220,255,0.08);
}

.pricing-card-popular:hover { transform: scale(1.05) translateY(-6px); }

.pricing-popular-badge {
  position: absolute;
  top: -14px; right: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.pricing-plan {
  font-size: 2.2rem;
  font-weight: 200;
  letter-spacing: -1px;
  color: var(--white);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 20px;
}

.pricing-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.pricing-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.22) 50%, rgba(255,255,255,0.12) 70%, transparent);
  margin-bottom: 20px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}

.check-icon {
  color: #4dd9f0;
  font-weight: 700;
  margin-right: 8px;
}

.pricing-btn {
  display: block;
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.pricing-btn-primary {
  background: linear-gradient(135deg, #4dd9f0, #2563eb);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(77,217,240,0.25);
}

.pricing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(77,217,240,0.4);
}

.pricing-btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.15);
}

.pricing-btn-secondary:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

/* Ripple efekt */
.ripple-btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ===== FOOTER ===== */
footer {
  background: #080F18;
  padding: 60px 5% 32px;
  border-top: 1px solid var(--glass-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--glass-border);
}

.footer-brand .logo { margin-bottom: 16px; }

.footer-desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 10px; }

.social-btn {
  width: 38px; height: 38px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-btn:hover {
  background: rgba(244,162,97,0.15);
  border-color: rgba(244,162,97,0.3);
  color: var(--accent);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.footer-links { list-style: none; }

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover { color: var(--accent); gap: 10px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy { font-size: 0.8rem; color: var(--gray); }
.footer-copy span { color: var(--accent); }

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-images { height: 380px; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card:first-child { grid-column: span 2; }
}

@media (max-width: 768px) {
  section { padding: 72px 5%; }

  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(13,27,42,0.98);
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 999;
  }
  nav.open a { font-size: 1.2rem; }
  .hamburger { display: flex; z-index: 1001; }

  .hero-image { width: 100%; opacity: 0.15; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 1.5rem; }

  .services-header { flex-direction: column; align-items: flex-start; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card:first-child { grid-column: span 1; aspect-ratio: 4/3; }

  .about-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

/* ===== DİL SEÇİCİ ===== */
.lang-switcher {
  position: relative;
  margin-left: 8px;
}

.lang-btn {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--light);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.lang-btn:hover { border-color: var(--accent); }

.lang-caret { font-size: 0.65rem; opacity: 0.7; }

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #1a2d42;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  min-width: 150px;
  box-shadow: var(--shadow);
  z-index: 2000;
}

.lang-dropdown.open { display: block; }

.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--light);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s;
  text-align: left;
}

.lang-option:hover { background: var(--glass); }
.lang-option.active { color: var(--accent); font-weight: 600; }

/* ===== TRUST BADGES (Moodilev'den öğrenildi) ===== */
.hero-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.trust-badge {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--light);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 600px) {
  .lang-btn { font-size: 0.75rem; padding: 5px 10px; }
  .hero-trust-badges { gap: 8px; }
  .trust-badge { font-size: 0.72rem; padding: 5px 10px; }
}

/* ===== BLOG PREVIEW (Ana Sayfa) ===== */
#blog-preview {
  padding: 100px 5%;
  background: var(--navy2);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.blog-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(244,162,97,0.15);
}

.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--steel);
}

.blog-card-img-placeholder {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card-tag {
  background: rgba(244,162,97,0.15);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 50px;
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--gray);
}

.blog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 10px;
}

.blog-card-desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  flex: 1;
}

.blog-card-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.blog-all-btn {
  text-align: center;
  margin-top: 48px;
}

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ===== BLOG LİSTESİ SAYFASI ===== */
.blog-page {
  padding: 120px 5% 80px;
  min-height: 80vh;
}

.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

@media (max-width: 900px) { .blog-page-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .blog-page-grid { grid-template-columns: 1fr; } }

/* ===== BLOG YAZI SAYFASI ===== */
.post-page {
  padding: 120px 5% 80px;
  max-width: 860px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 48px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.post-tag {
  background: rgba(244,162,97,0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
}

.post-date { font-size: 0.85rem; color: var(--gray); }
.post-read { font-size: 0.85rem; color: var(--gray); }

.post-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 20px;
}

.post-lead {
  font-size: 1.15rem;
  color: var(--gray);
  line-height: 1.7;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

.post-hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 40px 0;
}

.post-hero-placeholder {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, var(--steel), var(--navy2));
  border-radius: var(--radius);
  margin: 40px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.post-body {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(232,237,242,0.9);
}

.post-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border);
}

.post-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  margin: 32px 0 12px;
}

.post-body p { margin-bottom: 18px; }

.post-body ul, .post-body ol {
  margin: 16px 0 24px 24px;
}

.post-body li { margin-bottom: 8px; }

.post-body strong { color: var(--white); font-weight: 700; }

.post-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
  border-radius: 12px;
  overflow: hidden;
}

.post-table th {
  background: var(--steel);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}

.post-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--glass-border);
  color: rgba(232,237,242,0.85);
}

.post-table tr:nth-child(even) td { background: rgba(255,255,255,0.03); }

.post-callout {
  background: rgba(244,162,97,0.1);
  border: 1px solid rgba(244,162,97,0.3);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 32px 0;
}

.post-callout-title {
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.post-callout p { margin-bottom: 0; color: rgba(232,237,242,0.9); }

.post-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: var(--radius);
  padding: 36px 40px;
  margin: 56px 0;
  text-align: center;
}

.post-cta h3 {
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.post-cta p { color: rgba(255,255,255,0.85); margin-bottom: 24px; font-size: 0.95rem; }

.post-cta a {
  background: var(--white);
  color: var(--accent2);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-block;
  transition: var(--transition);
}

.post-cta a:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.88rem;
  margin-bottom: 40px;
  transition: color 0.2s;
}

.post-back:hover { color: var(--accent); }