/* Premium Centralized CSS for Stanley Dental Blog */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  --primary: #FF6B1F; /* Stanley Dental Orange */
  --primary-soft: #ff8e52;
  --black: #0F0F0F;
  --dark-gray: #1E1E1E;
  --medium-gray: #7A7A7A;
  --light-gray: #F0F0F0;
  --bg-color: #FAFAFA;
  --white: #FFFFFF;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 15px 40px rgba(255, 107, 31, 0.15);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--dark-gray);
  line-height: 1.7;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--black);
}

/* Glassmorphism Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-container img {
  height: 45px;
  width: auto;
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--black);
  letter-spacing: -0.5px;
}

.logo-text span {
  color: var(--primary);
}

nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

nav a.nav-link {
  color: var(--dark-gray);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--primary), #FF5100);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  box-shadow: 0 4px 15px rgba(255, 107, 31, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 31, 0.4);
}

/* Hero Section (Index) */
.hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-bottom: 60px;
}

.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.8));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--white);
  padding: 0 20px;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: 15px;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 30px auto;
  opacity: 0.9;
}

/* Blog Grid (Index) */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.card-img-container {
  height: 220px;
  overflow: hidden;
}

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

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

.blog-card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.blog-card p {
  color: var(--medium-gray);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  transition: gap 0.3s;
}

.read-more:hover {
  gap: 12px;
}

/* Article Pages */
.article-header {
  position: relative;
  height: 50vh;
  min-height: 350px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 40px;
}

.article-header-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  padding: 0 20px;
}

.article-category {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.article-header h1 {
  font-size: 3rem;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 15px;
}

.article-meta {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.article-container {
  max-width: 800px;
  margin: -60px auto 60px auto;
  background: var(--white);
  padding: 50px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 10;
}

.article-content h2 {
  font-size: 1.8rem;
  margin: 40px 0 20px 0;
  color: var(--black);
}

.article-content p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.article-content ul {
  margin-bottom: 20px;
  padding-left: 20px;
  font-size: 1.1rem;
}

.article-content li {
  margin-bottom: 10px;
}

/* Internal Backlink Styling */
.internal-link {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
  transition: color 0.3s;
}

.internal-link:hover {
  color: var(--black);
}

/* FAQ Section */
.faq-section {
  margin-top: 60px;
  padding: 40px;
  background: var(--bg-color);
  border-radius: var(--radius);
}

.faq-item {
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.faq-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* CTA Block */
.cta-block {
  margin-top: 60px;
  padding: 50px;
  background: linear-gradient(135deg, var(--dark-gray), var(--black));
  color: var(--white);
  text-align: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta-block h2 {
  color: var(--white);
  margin-bottom: 15px;
}

.cta-btn {
  display: inline-block;
  margin-top: 25px;
  padding: 15px 35px;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 107, 31, 0.4);
}

/* Footer */
footer {
  background-color: var(--black);
  color: var(--medium-gray);
  text-align: center;
  padding: 40px 5%;
  margin-top: 80px;
}

footer p {
  margin-bottom: 10px;
}

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

@media (max-width: 768px) {
  .hero h1, .article-header h1 { font-size: 2.2rem; }
  .article-container { padding: 30px 20px; margin-top: -30px; }
  nav a.nav-link { display: none; }
}