/* ========== DESIGN SYSTEM & VARIABLES ========== */
:root {
  /* Colors */
  --color-primary: #1ab5cc; /* Cyan / Teal from the logo */
  --color-primary-dark: #128799; /* Darker Cyan */
  --color-primary-light: #e6f7fa; /* Light Cyan background */
  --color-secondary: #0c4a7e; /* Deep blue from the logo text/shield */
  --color-text-main: #334155;
  --color-text-light: #64748b;
  --color-bg-body: #f8fafc;
  --color-bg-white: #ffffff;
  --color-yellow: #f59e0b;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows & Radius */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Offset for sticky header */
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-secondary);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.section-desc {
  color: var(--color-text-light);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-white { color: var(--color-bg-white); }
.text-dark { color: var(--color-secondary); }
.text-yellow { color: var(--color-yellow); }
.bg-light { background-color: var(--color-bg-white); }
.bg-primary { background-color: var(--color-primary); }
.w-full { width: 100%; }
.mb-2 { margin-bottom: 1rem; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.39);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ========== HEADER & NAV ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
}

.logo-img {
  max-width: 100%;
  height: auto;
  max-height: 80px; /* Fit well within the 100px header */
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-secondary);
  cursor: pointer;
}

/* ========== HERO SECTION ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px; /* header offset */
  background: linear-gradient(135deg, var(--color-bg-body) 0%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--color-primary) 1px, transparent 1px);
  background-size: 3rem 3rem;
  opacity: 0.05;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-white);
  color: var(--color-primary);
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-placeholder {
  width: 100%;
  height: 500px;
  background-image: url('/hero-bg.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hover);
  position: relative;
}

.glass-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-card {
  position: absolute;
}

.stat-1 {
  bottom: 2rem;
  left: -2rem;
  animation: float 6s ease-in-out infinite;
}

.stat-2 {
  top: 4rem;
  right: -2rem;
  animation: float 6s ease-in-out infinite 3s; /* delay */
}

.stat-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-primary);
}

.stat-num {
  display: block;
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-secondary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* ========== HAKKIMIZDA SECTION ========== */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-list {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.feature-list i {
  color: var(--color-primary);
}

.image-grid {
  position: relative;
  height: 500px;
}

.img-box {
  position: absolute;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary-light);
}

.img-1 {
  width: 70%;
  height: 70%;
  top: 0;
  left: 0;
  z-index: 1;
  background-image: url('/clinic_about_1.png');
}

.img-2 {
  width: 60%;
  height: 60%;
  bottom: 0;
  right: 0;
  z-index: 2;
  border: 4px solid white;
  background-image: url('/clinic_about_2.png');
}

/* ========== TEDAVİLER SECTION ========== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: var(--shadow-sm);
}

.treatment-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.card-icon i {
  width: 32px;
  height: 32px;
}

.treatment-card:hover .card-icon {
  background-color: var(--color-primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
}

.treatment-card h3 {
  margin-bottom: 1rem;
}

/* ========== TÜM TEDAVİLER LİSTESİ ========== */
.treatment-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.treatment-list-item {
  background-color: var(--color-bg-white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  color: #0073e6;
  text-align: left;
  transition: var(--transition);
  display: flex;
  align-items: center;
  /* Instead of min-height, let content flow but keep it spacious */
  min-height: 80px;
}

.treatment-list-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-primary-dark);
}

/* ========== HİZMETLERİMİZ SECTION ========== */
.services-wrapper {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-row.reverse .service-content {
  order: 2;
}

.service-row.reverse .service-img {
  order: 1;
}

.service-img {
  height: 400px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-xl);
  background-size: cover;
  background-position: center;
  background-image: linear-gradient(135deg, var(--color-primary-light), #cbd5e1);
}

.img-xray {
  background-image: url('/clinic_xray.png');
}

.img-comfort {
  background-image: url('/clinic_comfort.png');
}

.service-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* ========== KURUMSAL SECTION ========== */
.kurumsal-container {
  max-width: 900px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.value-item {
  padding: 2rem;
}

.value-item i {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* ========== İLETİŞİM SECTION ========== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
}

.contact-list i {
  background-color: rgba(255,255,255,0.1);
  padding: 0.75rem;
  border-radius: 50%;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  color: white;
}

.social-links a:hover {
  background-color: white;
  color: var(--color-primary);
  transform: translateY(-3px);
}

.form-card {
  background-color: white;
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--color-bg-body);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--color-secondary);
  color: rgba(255,255,255,0.7);
  padding: 2rem 0;
  text-align: center;
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-content {
  background-color: white;
  width: 90%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}

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

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: red;
  transform: rotate(90deg);
}

.modal-title {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.modal-desc {
  color: var(--color-text-light);
  margin-bottom: 2rem;
  font-size: 0.875rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .hero-title { font-size: 2.5rem; }
  .hero-container, .about-container, .service-row, .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .service-row.reverse .service-content { order: 1; }
  .service-row.reverse .service-img { order: 2; }
  .stat-card { position: relative; inset: auto; margin-bottom: 1rem; animation: none;}
  .hero-image-placeholder { height: 300px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
  .hero-image-placeholder::after { display: none; }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .nav {
    position: fixed;
    top: 100px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 100px);
    background-color: white;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
  }
  .nav.active { left: 0; }
  .nav-list { flex-direction: column; text-align: center; font-size: 1.25rem; }
  .values-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
}

/* ========== KVKK MODAL CUSTON SCROLL ========== */
.kvkk-modal-content {
  max-width: 800px !important;
  max-height: 90vh !important;
  display: flex !important;
  flex-direction: column !important;
  padding-bottom: 1.5rem;
}

.kvkk-modal-body {
  margin-top: 1.5rem;
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-y: auto;
  flex: 1;
  padding-right: 15px;
}

/* Custom Scrollbar for Modal Body */
.kvkk-modal-body::-webkit-scrollbar {
  width: 6px;
}
.kvkk-modal-body::-webkit-scrollbar-track {
  background: var(--color-bg-body);
  border-radius: var(--radius-full);
}
.kvkk-modal-body::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}
.kvkk-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}