/* ========================================================
   KERMAN DENTAL MEDİKAL TEKNİK - BESPOKE PUBLIC STYLESHEET
   100% Özgün, Tıbbi Standartlarda, Ultra-Hızlı & Responsive
   ======================================================== */

:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --primary-light: #e0f2fe;
  --navy: #0b192c;
  --navy-light: #1e3e62;
  --accent: #0ea5e9;
  --whatsapp: #25D366;
  --whatsapp-dark: #128C7E;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px; /* Mobil yapışkan bar payı */
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 1. ÜST BİLGİ VE ACİL ÇAĞRI BARI */
.top-bar {
  background: var(--navy);
  color: #94a3b8;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 768px) {
  .top-bar {
    display: none; /* Mobilde dikey kalabalığı önleyip logoyu en üste almak için gizle */
  }
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14, 165, 233, 0.15);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 11.5px;
}

/* 2. HEADER & NAVİGASYON */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 1;
}

.site-brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.site-brand-text h1 {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.1;
  white-space: nowrap;
}

.site-brand-text small {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .site-brand {
    gap: 10px;
  }
  .site-brand img {
    height: 40px;
  }
  .site-brand-text h1 {
    font-size: 15px;
  }
  .site-brand-text small {
    font-size: 9.5px;
    letter-spacing: 0.02em;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
  list-style: none;
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s;
  padding: 8px 0;
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-phone-btn {
  display: none;
}

@media (min-width: 992px) {
  .header-phone-btn {
    display: inline-flex;
  }
}

@media (max-width: 768px) {
  .header-cta-btn {
    display: none !important; /* Mobilde buton çekmece menüde ve hero alanında yer alır, başlıkta logoyu ezmez */
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

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

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-secondary {
  background: #f1f5f9;
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: #ffffff;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15.5px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* Mobil Hamburger Menü */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: #f8fafc;
  border-radius: 8px;
  cursor: pointer;
  color: var(--navy);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.mobile-menu-btn:hover, .mobile-menu-btn:active {
  background: #e2e8f0;
  color: var(--primary);
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* 3. MOBİL ÇEKMECE (DRAWER) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -340px;
  width: min(320px, 85vw);
  height: 100vh;
  height: 100dvh;
  background: #ffffff;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 20px;
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 25, 44, 0.6);
  backdrop-filter: blur(3px);
  z-index: 999;
  display: none;
}

.drawer-overlay.active {
  display: block;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.drawer-nav a {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  padding: 8px 0;
  border-bottom: 1px solid #f1f5f9;
}

/* 4. HERO BÖLÜMÜ */
.hero-section {
  background: linear-gradient(135deg, #0b192c 0%, #1e3e62 100%);
  color: #ffffff;
  padding: 60px 0 75px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 165, 233, 0.2);
  border: 1px solid rgba(14, 165, 233, 0.4);
  color: #38bdf8;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 44px;
  }
}

.hero-subtitle {
  font-size: 16px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.hero-card-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.hero-card-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.hero-card-header p {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 2px;
}

.hero-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #e2e8f0;
}

.hero-features svg {
  width: 20px;
  height: 20px;
  color: #38bdf8;
  flex-shrink: 0;
  margin-top: 2px;
}

/* 5. GENEL BÖLÜM VE KART TASARIMLARI */
.section {
  padding: 65px 0;
}

.section-gray {
  background: #f1f5f9;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 15.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.service-card-link {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* KLİNİK ARIZA TEŞHİS REHBERİ (ACCORDION / TABLAR) */
.diag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .diag-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.diag-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.diag-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.diag-error-badge {
  background: #fee2e2;
  color: #dc2626;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: monospace;
}

.diag-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FOTO GALERİ VİTRİNİ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: #000;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
  opacity: 0.9;
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: #ffffff;
}

.gallery-overlay h4 {
  font-size: 14.5px;
  font-weight: 700;
}

.gallery-overlay small {
  font-size: 11.5px;
  color: #38bdf8;
}

/* MARKALAR ALANI */
.brands-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
}

.brand-badge {
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}

/* SERVİS TALEP FORMU */
.service-form-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  max-width: 860px;
  margin: 0 auto;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  font-size: 14.5px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* FOOTER */
.site-footer {
  background: var(--navy);
  color: #cbd5e1;
  padding: 60px 0 30px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

@media (min-width: 640px) and (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.8fr 1fr 1.3fr 0.9fr;
    gap: 32px;
  }
}

.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #38bdf8;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: #64748b;
}

/* 6. MOBİL YAPISKAN ÇAĞRI BARI (STICKY BOTTOM BAR) */
.sticky-mobile-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 80;
  background: #ffffff;
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
  padding: 8px 12px;
  gap: 10px;
}

@media (min-width: 992px) {
  .sticky-mobile-bar {
    display: none;
  }
}

.sticky-call-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--navy);
  color: #ffffff;
  padding: 12px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
}

.sticky-whatsapp-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--whatsapp);
  color: #ffffff;
  padding: 12px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
}

.sticky-call-btn svg, .sticky-whatsapp-btn svg {
  width: 20px;
  height: 20px;
}

/* PRODUCTS CATALOG */
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.08);
}