/* =====================================================
   MERVA YAPI - Ana Stil Dosyası
   Renk Paleti: Beyaz / Koyu Lacivert / Turuncu
   ===================================================== */

/* ---------- CSS Değişkenleri ---------- */
:root {
  --navy: #0a1628;
  --navy-light: #132337;
  --navy-soft: #1a3050;
  --orange: #e85d04;
  --orange-hover: #f48c06;
  --orange-soft: rgba(232, 93, 4, 0.12);
  --white: #ffffff;
  --off-white: #f5f7fa;
  --gray: #6b7a8d;
  --gray-light: #e8edf2;
  --text: #1a2332;
  --text-muted: #5a6a7e;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 22, 40, 0.1);
  --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.14);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 80px;
  --font-heading: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

/* Dark Mode */
[data-theme="dark"] {
  --white: #0f1a2a;
  --off-white: #0a1628;
  --text: #e8edf2;
  --text-muted: #9aabbe;
  --gray-light: #1a3050;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--off-white);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

.section-label {
  display: inline-block;
  color: var(--orange);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 16px;
}

[data-theme="dark"] .section-title {
  color: var(--text);
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Loading Screen ---------- */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.loader-logo span {
  color: var(--orange);
}

.loader-bar {
  width: 180px;
  height: 3px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  overflow: hidden;
}

.loader-bar::after {
  content: "";
  display: block;
  width: 40%;
  height: 100%;
  background: var(--orange);
  border-radius: 3px;
  animation: loaderSlide 1s ease-in-out infinite;
}

@keyframes loaderSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
  z-index: -1;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(232, 93, 4, 0.35);
}

.btn-primary:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 93, 4, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-soft);
  transform: translateY(-2px);
}

.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

[data-theme="dark"] .btn-outline-navy {
  color: var(--text);
  border-color: var(--text);
}

.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* ---------- Header / Sticky Nav ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: all var(--transition);
  background: transparent;
}

/* İç sayfalarda banner üzerinde okunabilirlik */
.header.inner-page {
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header.scrolled {
  height: 64px;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header.scrolled .nav-link {
  color: rgba(255, 255, 255, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.5px;
  z-index: 1001;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--white);
  flex-shrink: 0;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--orange);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition);
  font-size: 1.1rem;
}

.theme-toggle:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero Slider ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 6s ease;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.88) 0%,
    rgba(10, 22, 40, 0.55) 50%,
    rgba(10, 22, 40, 0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

.hero-text {
  max-width: 680px;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
}

.hero-slide.active .hero-text h1 {
  animation: fadeUp 0.7s ease 0.2s forwards;
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(30px);
}

.hero-slide.active .hero-text p {
  animation: fadeUp 0.7s ease 0.4s forwards;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  transform: translateY(30px);
}

.hero-slide.active .hero-btns {
  animation: fadeUp 0.7s ease 0.6s forwards;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.hero-arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.hero-dot.active {
  background: var(--orange);
  border-color: rgba(255, 255, 255, 0.4);
  transform: scale(1.2);
}

/* ---------- Page Banner (İç Sayfalar) ---------- */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  background: var(--navy);
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/banner-bg.jpg") center/cover;
  opacity: 0.25;
}

.page-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
  color: var(--orange);
}

.breadcrumb .sep {
  color: var(--orange);
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--gray-light);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .card {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--orange);
  color: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
}

.about-content .section-label {
  text-align: left;
}

.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}

[data-theme="dark"] .about-content h2 {
  color: var(--text);
}

.about-subtitle {
  color: var(--orange);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.about-content > p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--orange-soft);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

/* ---------- Stats ---------- */
.stats-section {
  background: var(--navy);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 93, 4, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 24px;
}

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  font-weight: 500;
}

/* ---------- Products Grid ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}

[data-theme="dark"] .product-card {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.08);
}

.product-card-body {
  padding: 20px;
}

.product-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--navy);
}

[data-theme="dark"] .product-card-body h3 {
  color: var(--text);
}

.product-card-body p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Product Detail ---------- */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.product-gallery-main {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  height: 400px;
}

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

.product-gallery-thumbs {
  display: flex;
  gap: 12px;
}

.product-gallery-thumbs img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  opacity: 0.7;
}

.product-gallery-thumbs img:hover,
.product-gallery-thumbs img.active {
  border-color: var(--orange);
  opacity: 1;
}

.product-info h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}

[data-theme="dark"] .product-info h1 {
  color: var(--text);
}

.product-info .category-tag {
  display: inline-block;
  background: var(--orange-soft);
  color: var(--orange);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.product-info > p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.product-specs {
  margin-bottom: 28px;
}

.product-specs h3,
.product-advantages h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--navy);
}

[data-theme="dark"] .product-specs h3,
[data-theme="dark"] .product-advantages h3 {
  color: var(--text);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--gray-light);
}

.spec-table td {
  padding: 10px 0;
  font-size: 0.9rem;
}

.spec-table td:first-child {
  font-weight: 600;
  color: var(--text);
  width: 45%;
}

.spec-table td:last-child {
  color: var(--text-muted);
}

.advantage-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.advantage-list li::before {
  content: "✓";
  color: var(--orange);
  font-weight: 700;
  flex-shrink: 0;
}

.product-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
  text-align: center;
}

[data-theme="dark"] .service-card {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
}

.service-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--orange-soft);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--orange);
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--orange);
  color: var(--white);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--navy);
}

[data-theme="dark"] .service-card h3 {
  color: var(--text);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Service Detail */
.service-detail-cover {
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
}

.service-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}

.process-steps {
  margin: 32px 0;
}

.process-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-light);
}

.process-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.process-step h4 {
  font-weight: 700;
  margin-bottom: 4px;
}

.process-step p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.service-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.service-gallery img {
  height: 180px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- Testimonials ---------- */
.testimonials-section {
  background: var(--navy);
  overflow: hidden;
}

.testimonials-section .section-title {
  color: var(--white);
}

.testimonials-section .section-desc {
  color: rgba(255, 255, 255, 0.65);
}

.testimonials-track-wrap {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.testimonials-track {
  display: flex;
  gap: 28px;
  animation: scrollTestimonials 40s linear infinite;
  width: max-content;
}

.testimonials-track:hover {
  animation-play-state: paused;
}

@keyframes scrollTestimonials {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.testimonial-card {
  width: 360px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.testimonial-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
}

.testimonial-name {
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
}

.testimonial-role {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.testimonial-stars {
  color: var(--orange);
  font-size: 0.9rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.testimonial-text {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  line-height: 1.7;
  font-style: italic;
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}

[data-theme="dark"] .blog-card {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.blog-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.08);
}

.blog-category {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--orange);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.blog-card-body {
  padding: 24px;
}

.blog-date {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.blog-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--navy);
  line-height: 1.4;
}

[data-theme="dark"] .blog-card-body h3 {
  color: var(--text);
}

.blog-card-body p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Blog Detail */
.blog-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.blog-detail-cover {
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.blog-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.blog-detail-body h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 24px;
  line-height: 1.3;
}

[data-theme="dark"] .blog-detail-body h1 {
  color: var(--text);
}

.blog-detail-body .content p {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.blog-detail-body .content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin: 32px 0 14px;
}

[data-theme="dark"] .blog-detail-body .content h2 {
  color: var(--text);
}

.blog-sidebar .widget {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--gray-light);
}

[data-theme="dark"] .blog-sidebar .widget {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.blog-sidebar .widget h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--orange);
}

.recent-post {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.recent-post img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.recent-post h4 {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 4px;
}

.recent-post span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 450px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  min-height: 450px;
}

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light);
}

[data-theme="dark"] .contact-form-wrap {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.contact-form-wrap h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--navy);
}

[data-theme="dark"] .contact-form-wrap h2 {
  color: var(--text);
}

.contact-form-wrap > p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 0.9rem;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 8px;
  background: var(--off-white);
  color: var(--text);
  transition: border-color var(--transition);
  outline: none;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea,
[data-theme="dark"] .form-group select {
  background: var(--navy);
  border-color: var(--navy-soft);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--orange);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e63946;
}

.form-error {
  color: #e63946;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.form-error.show {
  display: block;
}

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

.contact-info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.contact-info-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}

[data-theme="dark"] .contact-info-card {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.contact-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--orange);
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--orange-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--orange);
}

.contact-info-card h4 {
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 1rem;
}

.contact-info-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ---------- FAQ Accordion ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid var(--gray-light);
  overflow: hidden;
}

[data-theme="dark"] .faq-item {
  background: var(--navy-light);
  border-color: var(--navy-soft);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--orange);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange-soft);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--orange);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Quote Modal (Teklif Al) ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(10, 22, 40, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition);
  position: relative;
}

[data-theme="dark"] .modal {
  background: var(--navy-light);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text);
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--orange);
  color: var(--white);
}

.modal h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--navy);
}

[data-theme="dark"] .modal h2 {
  color: var(--text);
}

.modal > p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* ---------- Social Float ---------- */
.social-float {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-float a {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}

.social-float a:hover {
  transform: scale(1.15) translateY(-2px);
}

.social-float .whatsapp {
  background: #25d366;
}

.social-float .instagram {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

/* ---------- Back To Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(232, 93, 4, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--orange-hover);
  transform: translateY(-4px);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--orange);
}

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

.footer-links a {
  font-size: 0.9rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--orange);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact .icon {
  color: var(--orange);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.footer-bottom a:hover {
  color: var(--orange);
}

/* ---------- 404 Page ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--navy);
  padding: 40px 24px;
}

.error-page h1 {
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 16px;
}

.error-page h2 {
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 12px;
}

.error-page p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 32px;
  max-width: 400px;
}

/* ---------- Quote CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232, 93, 4, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

/* ---------- Text Utilities ---------- */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* Sayfa geçiş */
.page-transition {
  opacity: 0;
  animation: pageFadeIn 0.5s ease forwards;
}

@keyframes pageFadeIn {
  to { opacity: 1; }
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}