/* ==========================================
   DentWide - Basic Plan Website Styles
   ========================================== */

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

:root {
  --primary-color: #2563eb;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --border-color: #e5e7eb;
  --bg-light: #f9fafb;
  --white: #ffffff;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

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

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-img {
  height: 60px;
  width: auto;
}

.logo-text {
  display: block;
  color: var(--text-dark);
  font-size: 18px;
}

.nav {
  display: flex;
  gap: 32px;
}

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

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

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Main Content */
.main-content {
  margin-top: 70px;
  min-height: calc(100vh - 70px - 300px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.hero-cta {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 16px;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

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

/* Section */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 60px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.card-text {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}

.about-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.about-text p {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-image {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-light);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
  margin-top: 40px;
}

.stat-item {
  padding: 24px;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-light);
}

/* Features */
.features {
  background: var(--bg-light);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.feature-item {
  display: flex;
  gap: 16px;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.feature-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-content p {
  font-size: 15px;
  color: var(--text-light);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.footer-info h4,
.footer-hours h4 {
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-info p,
.footer-hours p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .logo-img {
    height: 50px;
  }

  .logo-text {
    font-size: 16px;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    gap: 0;
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 8px;
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--bg-light);
  }

  .mobile-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 18px;
  }

  .section-title {
    font-size: 28px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cards,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 16px;
  }

  .section {
    padding: 60px 0;
  }

  .btn {
    padding: 12px 24px;
    font-size: 15px;
  }
}