/* ============================================
   CLINIDIABET - Modern Professional Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #00897B;
  --primary-dark: #00695C;
  --primary-light: #4DB6AC;
  --primary-bg: #E0F2F1;
  --accent: #FF7043;
  --text-dark: #263238;
  --text-medium: #546E7A;
  --text-light: #78909C;
  --bg-white: #FFFFFF;
  --bg-light: #F5F7FA;
  --bg-section: #FAFBFC;
  --border: #E0E6ED;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--primary-dark);
}

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

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

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-medium);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header .section-subtitle {
  margin: 0.5rem auto 0;
}

/* --- Top Bar --- */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  padding: 8px 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar a {
  color: rgba(255,255,255,0.9);
}

.top-bar a:hover {
  color: #fff;
}

.top-bar-contact {
  display: flex;
  gap: 20px;
  align-items: center;
}

.top-bar-lang {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lang-btn {
  padding: 2px 10px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  transition: all var(--transition);
  cursor: pointer;
  background: transparent;
}

.lang-btn:hover,
.lang-btn.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

/* --- Navigation --- */
.navbar {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-dark);
}

.nav-logo {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

.nav-brand-name span {
  color: var(--primary);
}

.nav-brand-tagline {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  padding: 8px 16px;
  color: var(--text-medium);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
  background: var(--primary-bg);
}

.nav-links a.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: white;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 span {
  display: block;
  font-weight: 400;
  font-size: 1.3rem;
  opacity: 0.9;
  margin-top: 8px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

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

.btn-white:hover {
  background: #f0f0f0;
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: white;
}

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

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

.hero-visual {
  flex: 0 0 380px;
  display: flex;
  justify-content: center;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.hero-stat {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  display: block;
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 0.8rem;
  opacity: 0.8;
  margin-top: 4px;
  display: block;
}

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

.section-alt {
  background: var(--bg-light);
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--primary-bg);
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 0.93rem;
  color: var(--text-medium);
  line-height: 1.6;
  flex: 1;
}

.feature-link {
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.feature-card:hover .feature-link {
  gap: 8px;
}

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

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.about-content p {
  color: var(--text-medium);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-highlights {
  list-style: none;
  margin: 24px 0;
}

.about-highlights li {
  padding: 10px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-medium);
  font-size: 0.95rem;
}

.about-highlights li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.about-image {
  background: linear-gradient(135deg, var(--primary-bg), #B2DFDB);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
}

.about-image-content {
  text-align: center;
}

.about-image-content .clinic-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.about-image-content h3 {
  color: var(--primary-dark);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.about-image-content p {
  color: var(--text-medium);
  font-size: 0.95rem;
}

/* --- News/Highlights --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: inherit;
}

.news-card-header {
  padding: 24px 24px 0;
}

.news-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.news-card-body {
  padding: 16px 24px 24px;
}

.news-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-dark);
}

.news-card-body p {
  font-size: 0.9rem;
  color: var(--text-medium);
  line-height: 1.6;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
  padding: 60px 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Certifications --- */
.certifications {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 20px 0;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.cert-item:hover {
  opacity: 1;
}

.cert-item span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* --- Footer --- */
.footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .nav-brand-name {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.footer-brand .nav-brand-name span {
  color: var(--primary-light);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 300px;
}

.footer h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--primary);
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: var(--primary-light);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    margin: 0 auto 32px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    flex: none;
    width: 100%;
    max-width: 400px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar .container {
    justify-content: center;
    text-align: center;
  }

  .top-bar-contact {
    display: none;
  }

  .navbar .container {
    height: 64px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 16px;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 50px 0 40px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .hero-stat {
    padding: 16px;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .certifications {
    gap: 24px;
  }
}