/* Health Journal Thailand - Main Stylesheet */

/* Import Sarabun font for Thai typography */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --color-white: #FFFFFF;
  --color-text: #212121;
  --color-accent: #0277BD;
  --color-accent-hover: #01579B;
  --color-gray-light: #F5F5F5;
  --color-gray: #9E9E9E;
  --color-border: #E0E0E0;
  --font-primary: 'Sarabun', sans-serif;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-white);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

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

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

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

/* Top Bar */
.top-bar {
  background-color: var(--color-gray-light);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
  font-size: 14px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.top-bar-date {
  color: var(--color-gray);
}

.top-bar-categories {
  display: flex;
  gap: 20px;
}

.top-bar-categories a {
  color: var(--color-text);
  font-weight: 500;
}

.top-bar-categories a:hover {
  color: var(--color-accent);
}

/* Header */
.header {
  background-color: var(--color-white);
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.5px;
}

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

.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.header-search input {
  width: 100%;
  padding: 12px 45px 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: 25px;
  font-family: var(--font-primary);
  font-size: 14px;
  background-color: var(--color-gray-light);
  transition: var(--transition);
}

.header-search input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-white);
}

.header-search button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-accent);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-white);
  font-size: 16px;
  transition: var(--transition);
}

.header-search button:hover {
  background: var(--color-accent-hover);
}

.btn-subscribe {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-subscribe:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 20px 0;
  font-size: 14px;
  color: var(--color-gray);
}

.breadcrumbs a {
  color: var(--color-accent);
}

.breadcrumbs span {
  margin: 0 8px;
}

/* Hero Section */
.hero {
  padding: 40px 0;
}

.hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background-color: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.hero-card:hover {
  box-shadow: var(--shadow-hover);
}

.hero-image {
  height: 400px;
  overflow: hidden;
}

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

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

.hero-content {
  padding: 40px;
}

.hero-category {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 15px;
  line-height: 1.3;
}

.hero-meta {
  display: flex;
  gap: 20px;
  color: var(--color-gray);
  font-size: 14px;
  margin-bottom: 20px;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-excerpt {
  color: var(--color-text);
  font-size: 16px;
  margin-bottom: 25px;
  line-height: 1.7;
}

.btn-read-more {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 12px 28px;
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-read-more:hover {
  background-color: var(--color-accent-hover);
  transform: translateX(5px);
}

/* Main Content Layout */
.main-content {
  padding: 40px 0;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

/* Section Title */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

/* Article Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.article-card {
  background-color: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.article-card-image {
  height: 200px;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .article-card-image img {
  transform: scale(1.08);
}

.article-card-content {
  padding: 20px;
}

.article-card-category {
  display: inline-block;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.article-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-card-meta {
  display: flex;
  gap: 15px;
  color: var(--color-gray);
  font-size: 13px;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-widget {
  background-color: var(--color-white);
  border-radius: 12px;
  padding: 25px;
  box-shadow: var(--shadow-card);
  margin-bottom: 25px;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

/* Newsletter Widget */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.newsletter-form p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.newsletter-form input {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 14px;
  transition: var(--transition);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter-form button {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background-color: var(--color-accent-hover);
}

/* Popular Articles Widget */
.popular-list {
  list-style: none;
}

.popular-item {
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
}

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

.popular-item:first-child {
  padding-top: 0;
}

.popular-item:hover .popular-title {
  color: var(--color-accent);
}

.popular-number {
  background-color: var(--color-accent);
  color: var(--color-white);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.popular-image {
  width: 80px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.popular-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.popular-content {
  flex: 1;
}

.popular-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 5px;
  transition: var(--transition);
}

.popular-date {
  font-size: 12px;
  color: var(--color-gray);
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 15px;
}

.footer-logo span {
  color: var(--color-white);
}

.footer-description {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-address {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--color-gray);
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  text-align: center;
  font-size: 14px;
  color: var(--color-gray);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal {
  background-color: var(--color-white);
  border-radius: 16px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  transform: translateY(-30px);
  transition: var(--transition);
  position: relative;
}

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

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-gray);
  cursor: pointer;
  transition: var(--transition);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  background-color: var(--color-gray-light);
  color: var(--color-text);
}

.modal-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 28px;
  color: var(--color-white);
}

.modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 15px;
}

.modal-text {
  font-size: 15px;
  color: var(--color-text);
  text-align: center;
  line-height: 1.7;
  margin-bottom: 25px;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.modal-form input {
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-family: var(--font-primary);
  font-size: 15px;
  transition: var(--transition);
}

.modal-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.modal-form button {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 14px 20px;
  border: none;
  border-radius: 10px;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-form button:hover {
  background-color: var(--color-accent-hover);
}

.modal-privacy {
  font-size: 12px;
  color: var(--color-gray);
  text-align: center;
  line-height: 1.6;
}

.modal-privacy a {
  color: var(--color-accent);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .footer .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .header .container {
    flex-direction: column;
    gap: 20px;
  }

  .header-search {
    max-width: 100%;
  }

  .hero-card {
    grid-template-columns: 1fr;
  }

  .hero-image {
    height: 250px;
  }

  .hero-content {
    padding: 25px;
  }

  .hero-title {
    font-size: 24px;
  }

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

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

  .modal {
    padding: 30px 20px;
  }
}

@media (max-width: 480px) {
  .top-bar-categories {
    flex-direction: column;
    gap: 10px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 10px;
  }

  .article-card-meta {
    flex-direction: column;
    gap: 8px;
  }
}

/* Page Content Styles */
.page-content {
  padding: 40px 0;
  max-width: 800px;
  margin: 0 auto;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--color-accent);
}

.page-section {
  margin-bottom: 30px;
}

.page-section h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 15px;
  margin-top: 25px;
}

.page-section h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  margin-top: 20px;
}

.page-section p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 15px;
}

.page-section ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.page-section li {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-section a {
  color: var(--color-accent);
  text-decoration: underline;
}

.page-section a:hover {
  color: var(--color-accent-hover);
}