/* ==========================================================================
   LuxeStyle İç Mimarlık & Dekorasyon - Ana Stil Dosyası
   ========================================================================== */

/* --- Google Fontlar --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- CSS Değişkenleri (Variables) --- */
:root {
  --primary-color: #1a1a1a;
  --primary-light: #2b2b2b;
  --accent-color: #c5a059;
  --accent-hover: #b08b46;
  --accent-light: #f4ece1;
  --secondary-color: #777777;
  --bg-light: #fdfbf7;
  --bg-card: #ffffff;
  --text-dark: #1f2022;
  --text-muted: #666666;
  --text-light: #f8f9fa;
  --border-color: #e5e0d8;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --container-width: 1240px;
}

/* --- Temel Sıfırlama & Varsayılanlar --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

ul {
  list-style: none;
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* --- Düzen Komponentleri --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 90px 0;
}

/* --- Tipografi & Başlıklar --- */
.section-subtitle {
  color: var(--accent-color);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.25;
  margin-bottom: 20px;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin-bottom: 40px;
}

.text-center {
  text-align: center;
}

.text-center .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* --- Buton Stilleri --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.35);
}

.btn-secondary {
  background-color: var(--primary-color);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--accent-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-white {
  background-color: #ffffff;
  color: var(--primary-color);
}

.btn-white:hover {
  background-color: var(--bg-light);
  color: var(--accent-color);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigasyon
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 224, 216, 0.5);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  padding: 4px 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #ffffff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--primary-color);
  cursor: pointer;
}

/* ==========================================================================
   Sayfa Banner / Hero
   ========================================================================== */
.page-banner {
  background: linear-gradient(rgba(26, 26, 26, 0.75), rgba(26, 26, 26, 0.85)),
              url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  padding: 160px 0 90px;
  color: #ffffff;
  text-align: center;
  position: relative;
}

.page-banner-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: #ffffff;
}

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

.breadcrumb span.separator {
  color: var(--accent-color);
}

/* ==========================================================================
   Ana Sayfa - Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 85px;
  background: linear-gradient(135deg, rgba(26,26,26,0.88), rgba(26,26,26,0.65)),
              url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  color: #ffffff;
}

.hero-content {
  max-width: 720px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 160, 89, 0.2);
  border: 1px solid rgba(197, 160, 89, 0.5);
  color: var(--accent-color);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--accent-color);
  font-style: italic;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.7;
}

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

/* ==========================================================================
   İstatistikler / Counter
   ========================================================================== */
.stats-section {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 60px 0;
  margin-top: -50px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 6px;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================================================
   Hizmet Kartları
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--bg-card);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  opacity: 0;
  transition: var(--transition);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 65px;
  height: 65px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background-color: var(--accent-color);
  color: #ffffff;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--primary-color);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-link {
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.service-link i {
  transition: var(--transition);
}

.service-card:hover .service-link i {
  transform: translateX(5px);
}

/* ==========================================================================
   Projeler & Portfolyo
   ========================================================================== */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 30px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

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

.project-img-wrapper {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.overlay-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #ffffff;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.overlay-btn:hover {
  background-color: var(--accent-color);
  color: #ffffff;
  transform: scale(1.1);
}

.project-info {
  padding: 24px;
}

.project-tag {
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   Proje Detay Sayfası Stilleri
   ========================================================================== */
.project-detail-meta {
  background-color: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-bottom: 50px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.meta-value {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.05rem;
}

.before-after-container {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  user-select: none;
  margin: 40px 0;
}

.before-img, .after-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.before-img img, .after-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.after-img {
  width: 50%;
  overflow: hidden;
  z-index: 2;
  border-right: 3px solid var(--accent-color);
}

.before-after-slider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: var(--accent-color);
  z-index: 10;
  cursor: ew-resize;
  transform: translateX(-50%);
}

.slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  font-size: 1rem;
}

.badge-tag {
  position: absolute;
  top: 20px;
  padding: 6px 14px;
  background: rgba(26, 26, 26, 0.75);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  z-index: 5;
}

.badge-before { right: 20px; }
.badge-after { left: 20px; z-index: 6; }

/* ==========================================================================
   Testimonials (Müşteri Yorumları)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: var(--bg-card);
  padding: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card::before {
  content: '“';
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--accent-light);
  position: absolute;
  top: 10px;
  right: 24px;
  line-height: 1;
}

.stars {
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.testimonial-text {
  color: var(--text-dark);
  font-style: italic;
  margin-bottom: 24px;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.client-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.client-details h4 {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1rem;
}

.client-details p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   SSS / Akordeon Menü
   ========================================================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.faq-header:hover {
  color: var(--accent-color);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-color);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.active .faq-body {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ==========================================================================
   İletişim Formu & Bilgiler
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contact-info-box {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 44px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info-item {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: rgba(197, 160, 89, 0.2);
  color: var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-text h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-family: var(--font-heading);
}

.info-text p, .info-text a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.info-text a:hover {
  color: var(--accent-color);
}

.contact-form {
  background-color: var(--bg-card);
  padding: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--primary-color);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--accent-color);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.alert-box {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: none;
  font-size: 0.95rem;
}

.alert-success {
  background-color: #d1e7dd;
  color: #0f5132;
  border: 1px solid #badbcc;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--primary-color);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 80px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about p {
  margin-top: 20px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-title {
  font-family: var(--font-heading);
  color: #ffffff;
  font-size: 1.2rem;
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Modal Popup
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 20px;
}

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

.modal-content {
  background-color: var(--bg-card);
  max-width: 800px;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.8rem;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  z-index: 10;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.modal-img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
}

.modal-body {
  padding: 24px 30px;
}

/* ==========================================================================
   Yukarı Çık Butonu
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background-color: var(--accent-color);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

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

/* ==========================================================================
   Responsive Tasarım
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 85px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 85px);
    background-color: #ffffff;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.active { left: 0; }
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .before-after-container { height: 350px; }
}

/* ==========================================================================
   WhatsApp Yüzen Buton (Floating WhatsApp Button)
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 90px;
  width: 52px;
  height: 52px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  background-color: #128c7e;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.35);
  z-index: -1;
  animation: pulse-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 80px;
    width: 48px;
    height: 48px;
    font-size: 1.6rem;
  }
}