/* ═══════════════════════════════════════════════════════════════════════════════
   ZTECH Güvenlik — Custom CSS
   Renk Paleti: Lacivert #0A1628 | Turuncu #F97316 | Açık Lacivert #1E3A5F
   Font: Inter (Google Fonts)
═══════════════════════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ───────────────────────────────────────────────── */
:root {
  --color-primary:      #0A1628;
  --color-primary-dark: #060e1b;
  --color-secondary:    #1E3A5F;
  --color-accent:       #F97316;
  --color-accent-dark:  #ea6800;
  --color-accent-light: #fb923c;
  --color-bg:           #f8fafc;
  --color-bg-alt:       #f1f5f9;
  --color-text:         #1e293b;
  --color-text-muted:   #64748b;
  --color-border:       #e2e8f0;
  --color-white:        #ffffff;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.12);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.15);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; }

/* ─── Custom Scrollbar ────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* ─── Butonlar ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-dark:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

/* ─── Bölüm Başlığı ──────────────────────────────────────────────────────── */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

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

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.section-badge {
  display: inline-block;
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

/* ─── Kartlar ────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body { padding: 1.5rem; }

/* ─── Ürün Kartı ─────────────────────────────────────────────────────────── */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.product-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
}

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

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

.product-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover .product-card__overlay { opacity: 1; }

.product-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__brand {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.product-card__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  flex: 1;
}

.product-card__desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.product-card__price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.product-card__price-request {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
}

.badge-stock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.badge-stock--in    { background: #dcfce7; color: #16a34a; }
.badge-stock--out   { background: #fee2e2; color: #dc2626; }
.badge-stock--order { background: #fef9c3; color: #ca8a04; }

/* ─── Blog Kartı ─────────────────────────────────────────────────────────── */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.blog-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

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

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

.blog-card__body { padding: 1.5rem; }

.blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* ─── Hero Bölümü ────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.95) 0%, rgba(30,58,95,0.7) 60%, transparent 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
}

/* ─── Stats Bar ──────────────────────────────────────────────────────────── */
.stats-bar {
  background: var(--color-accent);
  padding: 1.5rem 0;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ─── Hizmet Kartı ───────────────────────────────────────────────────────── */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(249, 115, 22, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all var(--transition);
}

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

.service-icon svg { color: var(--color-accent); transition: color var(--transition); }
.service-card:hover .service-icon svg { color: white; }

/* ─── Sayfalama ──────────────────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.page-link:hover { border-color: var(--color-accent); color: var(--color-accent); }
.page-link.active { background: var(--color-accent); border-color: var(--color-accent); color: white; font-weight: 700; }
.page-link.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* ─── Alert / Flash ──────────────────────────────────────────────────────── */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideDown 0.3s ease;
}

.alert-success { background: #f0fdf4; border-color: #16a34a; color: #15803d; }
.alert-error   { background: #fef2f2; border-color: #dc2626; color: #b91c1c; }
.alert-warning { background: #fffbeb; border-color: #d97706; color: #d97706; }
.alert-info    { background: #eff6ff; border-color: #2563eb; color: #1d4ed8; }

/* ─── Breadcrumb ─────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-text); font-weight: 500; }

/* ─── Form Stilleri ──────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-label .required { color: var(--color-accent); margin-left: 2px; }

.form-control {
  display: block;
  width: 100%;
  padding: 0.65rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.form-control::placeholder { color: #94a3b8; }

.form-error {
  font-size: 0.78rem;
  color: #dc2626;
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─── WhatsApp Floating Buton ────────────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
  animation: none;
}

.whatsapp-btn svg {
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.whatsapp-tooltip {
  background: var(--color-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Ping animasyonu */
.ping-ring {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  animation: pingRing 2s ease-out infinite;
  opacity: 0;
}

@keyframes pingRing {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.8); opacity: 0; }
}

@keyframes whatsappPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ─── Scroll-to-top butonu ───────────────────────────────────────────────── */
#scrollTop {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 48px;
  height: 48px;
  background: var(--color-secondary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.3);
}

#scrollTop.visible { opacity: 1; transform: translateY(0); }
#scrollTop:hover { 
  background: var(--color-accent); 
  transform: translateY(-4px);
  box-shadow: 0 6px 24px rgba(249, 115, 22, 0.4);
}

/* ─── Scroll Reveal Animasyonları ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left  { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px);  transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.is-visible, .reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* Gecikme sınıfları */
.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }

/* ─── Lightbox ───────────────────────────────────────────────────────────── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.1);
  border: none; border-radius: 50%;
  color: white; font-size: 1.25rem;
  cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-close:hover { background: var(--color-accent); }

.lightbox-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px;
  background: rgba(255,255,255,0.1);
  border: none; border-radius: 50%;
  color: white; font-size: 1.25rem;
  cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-arrow:hover { background: var(--color-accent); }
.lightbox-arrow-left  { left: 20px; }
.lightbox-arrow-right { right: 20px; }

.lightbox-caption {
  position: absolute;
  bottom: 20px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.6);
  color: white; font-size: 0.875rem;
  padding: 0.5rem 1.5rem;
  border-radius: 100px;
  white-space: nowrap;
}

/* ─── Page Transition ────────────────────────────────────────────────────── */
.page-transition {
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Logo Carousel ──────────────────────────────────────────────────────── */
.logo-carousel {
  overflow: hidden;
  position: relative;
}

.logo-track {
  display: flex;
  gap: 2.5rem;
  animation: logoScroll 30s linear infinite;
  width: max-content;
}

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

.logo-item {
  flex-shrink: 0;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
}

.logo-item:hover { filter: grayscale(0%); opacity: 1; }
.logo-item img { height: 50px; width: auto; object-fit: contain; }

@keyframes logoScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Masonry Grid ───────────────────────────────────────────────────────── */
.masonry {
  columns: 3;
  column-gap: 1rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

@media (max-width: 768px) { .masonry { columns: 2; } }
@media (max-width: 480px) { .masonry { columns: 1; } }

/* ─── Accordion ──────────────────────────────────────────────────────────── */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.accordion-header {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background var(--transition-fast);
}

.accordion-header:hover { background: var(--color-bg-alt); }
.accordion-header.active { background: rgba(249, 115, 22, 0.05); color: var(--color-accent); }

.accordion-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  transition: transform var(--transition);
}
.accordion-header.active .accordion-icon { transform: rotate(180deg); }

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

.accordion-body.open {
  max-height: 1000px;
  padding: 1rem 1.25rem;
}

/* ─── Tabs ───────────────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: 0;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: none;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

/* ─── Admin Sidebar ──────────────────────────────────────────────────────── */
.admin-sidebar {
  width: 260px;
  height: 100vh;
  background: var(--color-primary);
  position: fixed;
  left: 0; top: 0;
  overflow-y: auto;
  z-index: 1000;
  transition: transform var(--transition);
}

.admin-main {
  margin-left: 260px;
  min-height: 100vh;
  background: var(--color-bg);
}

@media (max-width: 1024px) {
  .admin-sidebar { transform: translateX(-260px); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
}

/* ─── Toggle Switch ──────────────────────────────────────────────────────── */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.toggle-input { display: none; }

.toggle-track {
  width: 44px; height: 24px;
  background: var(--color-border);
  border-radius: 100px;
  transition: background var(--transition-fast);
  position: relative;
}

.toggle-input:checked + .toggle-track { background: var(--color-accent); }

.toggle-thumb {
  position: absolute;
  left: 3px; top: 3px;
  width: 18px; height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle-input:checked + .toggle-track .toggle-thumb { transform: translateX(20px); }

/* ─── Animasyonlar ───────────────────────────────────────────────────────── */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal {
  background: white;
  border-radius: var(--radius-md);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: scaleIn 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body    { padding: 1.5rem; }
.modal-footer  { padding: 1rem 1.5rem; border-top: 1px solid var(--color-border); display: flex; justify-content: flex-end; gap: 0.75rem; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .section-title { font-size: 1.5rem; }
  .btn-lg { padding: 0.75rem 1.5rem; font-size: 0.9rem; }

  .whatsapp-float { 
    bottom: 90px; 
    right: 20px; 
  }
  
  .whatsapp-btn {
    width: 56px;
    height: 56px;
  }
  
  .ping-ring {
    width: 56px;
    height: 56px;
  }
  
  #scrollTop {
    bottom: 90px;
    left: 20px;
    width: 44px;
    height: 44px;
  }

  /* Mobil CTA çubuğu */
  .mobile-cta-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--color-primary);
    display: flex;
    z-index: 9000;
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  }

  .mobile-cta-bar a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.85rem;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border-right: 1px solid rgba(255,255,255,0.1);
    transition: background var(--transition-fast);
  }
  
  .mobile-cta-bar a:hover {
    background: rgba(255,255,255,0.05);
  }

  .mobile-cta-bar a:last-child { 
    border-right: none; 
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  }
  
  .mobile-cta-bar a:last-child:hover {
    background: linear-gradient(135deg, #128C7E 0%, #0a6b5e 100%);
  }
}

@media (min-width: 641px) { .mobile-cta-bar { display: none !important; } }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.text-accent    { color: var(--color-accent); }
.text-primary   { color: var(--color-primary); }
.text-muted     { color: var(--color-text-muted); }
.bg-primary     { background-color: var(--color-primary); }
.bg-accent      { background-color: var(--color-accent); }
.bg-alt         { background-color: var(--color-bg-alt); }
.border-accent  { border-color: var(--color-accent); }
.fw-900         { font-weight: 900; }
.fw-800         { font-weight: 800; }
.fw-700         { font-weight: 700; }
.line-clamp-2   { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3   { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }