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

:root {
  --blue: #2B5EA7;
  --cyan: #00D4C8;
  --dark: #1A1A2E;
  --gray: #6B7280;
  --white: #FFFFFF;
  --light-bg: #F8F9FA;
  --cat-politics: #EAB308;
  --cat-business: #3B82F6;
  --cat-art: #EC4899;
  --cat-hospitality: #22C55E;
  --cat-health: #EF4444;
  --cat-philosophy: #8B5CF6;
  --cat-food: #F59E0B;
  --cat-science: #06B6D4;
  --cat-anthropology: #78716C;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
h1, h2, h3 { font-family: 'Lora', Georgia, serif; color: var(--dark); }
h1 { font-size: 2.75rem; line-height: 1.15; font-weight: 700; }
h2 { font-size: 1.75rem; margin-bottom: 24px; }
h3 { font-size: 1.25rem; }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
  transition: box-shadow 0.2s;
}
.header.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo { display: flex; align-items: center; }
.logo img { height: 40px; width: auto; max-width: none; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--blue); text-decoration: none; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  margin: 5px 0;
  transition: 0.3s;
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid #eee;
  padding: 16px 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  color: var(--dark);
  border-bottom: 1px solid #f0f0f0;
}

/* ===== Hero ===== */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-text { flex: 1; max-width: 560px; }
.hero-text h1 {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--dark);
}
.hero-text p {
  font-size: 1.15rem;
  color: var(--gray);
  line-height: 1.7;
}
.hero-text strong { color: var(--dark); }
.hero-image {
  flex: 0 0 380px;
  max-width: 380px;
}
.hero-image img {
  width: 100%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== Topics ===== */
.topics { padding: 48px 0; }
.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.topic-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
  background: var(--light-bg);
  color: var(--dark);
}
.topic-pill:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.topic-pill.active { color: var(--white); }
.topic-pill[data-category="All"] { background: var(--dark); color: var(--white); }
.topic-pill[data-category="All"]:not(.active) { background: var(--light-bg); color: var(--dark); }

/* ===== Rec Cards ===== */
.recs-section { padding: 48px 0 80px; }
.recs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.rec-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #eee;
  transition: all 0.25s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.rec-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  text-decoration: none;
}

.rec-card-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: #f0f0f0;
}
.rec-card-images img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.rec-card-body { padding: 20px; }
.rec-card-body h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
  line-height: 1.3;
}
.rec-card-expert {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 12px;
}

.category-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
}

/* Category colors */
.category-tag[data-category="Politics, Law & History"] { background: var(--cat-politics); color: var(--dark); }
.category-tag[data-category="Business, Careers & Money"] { background: var(--cat-business); }
.category-tag[data-category="Art, Culture & Design"] { background: var(--cat-art); }
.category-tag[data-category="Hospitality & Travel"] { background: var(--cat-hospitality); }
.category-tag[data-category="Exercise, Health & Medicine"] { background: var(--cat-health); }
.category-tag[data-category="Philosophy & Religion"] { background: var(--cat-philosophy); }
.category-tag[data-category="Food & Agriculture"] { background: var(--cat-food); color: var(--dark); }
.category-tag[data-category="Science & Technology"] { background: var(--cat-science); }
.category-tag[data-category="Anthropology & Sociology"] { background: var(--cat-anthropology); }

/* ===== Newsletter ===== */
.newsletter {
  padding: 64px 0;
  background: var(--light-bg);
}
.newsletter-inner {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.newsletter-inner h2 { margin-bottom: 8px; }
.newsletter-inner p { color: var(--gray); margin-bottom: 24px; }
.newsletter-form {
  display: flex;
  gap: 8px;
}
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.newsletter-form input:focus { border-color: var(--blue); }
.newsletter-form button {
  padding: 12px 24px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.newsletter-form button:hover { background: #1e4a8a; }

/* ===== Footer ===== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid #eee;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  color: var(--dark);
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--blue); text-decoration: none; }
.footer-bottom {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #eee;
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray);
}

/* ===== Rec Page ===== */
.rec-hero {
  padding: 48px 0 32px;
}
.rec-hero .category-tag { margin-bottom: 16px; }
.rec-hero h1 { margin-bottom: 12px; font-size: 2.5rem; }
.rec-expert-line {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 4px;
}
.rec-follow-link {
  font-size: 0.9rem;
}

.expert-bio {
  padding: 24px 0 40px;
}
.expert-bio-card {
  background: var(--light-bg);
  border-radius: 12px;
  padding: 28px 32px;
  border-left: 4px solid var(--cyan);
  font-size: 0.95rem;
  line-height: 1.7;
  color: #444;
}

.media-section {
  padding: 40px 0;
  border-top: 1px solid #eee;
}
.media-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.media-section-header h2 { margin-bottom: 0; }
.media-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.media-content {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.media-cover {
  flex: 0 0 200px;
}
.media-cover img {
  width: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.media-details { flex: 1; }
.media-details h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.media-details h3 a { color: var(--dark); }
.media-details h3 a:hover { color: var(--blue); }
.media-author {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 16px;
}
.media-description {
  font-size: 0.95rem;
  line-height: 1.75;
  color: #444;
}

.more-recs { padding: 60px 0; background: var(--light-bg); }
.more-recs h2 { text-align: center; margin-bottom: 32px; }
.more-recs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .recs-grid, .more-recs-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { flex-direction: column; text-align: center; }
  .hero-image { flex: 0 0 280px; max-width: 280px; }
  h1 { font-size: 2.2rem; }
  .media-content { flex-direction: column; }
  .media-cover { flex: none; }
  .media-cover img { width: 160px; }
}

@media (max-width: 640px) {
  .recs-grid, .more-recs-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .hero { padding: 48px 0 32px; }
  .hero-image { flex: 0 0 220px; max-width: 220px; }
  .newsletter-form { flex-direction: column; }
  .rec-hero h1 { font-size: 1.8rem; }
  .media-cover img { width: 140px; }
  .footer-inner { flex-direction: column; }
}