/* ==========================================================================
   GRANDINVENTOR - APPLE-INSPIRED DESIGN SYSTEM & THEME STYLES
   ========================================================================== */

/* --- Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* --- Root Color System & Tokens --- */
:root {
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  
  /* Editable Color Defaults */
  --color-primary: #000000;
  --color-primary-rgb: 0, 0, 0;
  --color-accent: #0071e3; /* Apple Blue accent */
  --color-accent-rgb: 0, 113, 227;
  --color-accent-hover: #0077ed;
  
  --bg-body: #f5f5f7; /* Apple signature subtle light gray */
  --bg-surface: #ffffff;
  --bg-surface-translucent: rgba(255, 255, 255, 0.85);
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-secondary: #e8e8ed;
  
  --text-main: #1d1d1f;
  --text-muted: #86868b;
  --text-subtle: #6e6e73;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-strong: rgba(0, 0, 0, 0.15);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.12);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-blur: blur(24px) saturate(180%);
  
  --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1320px;
}

/* --- Dark Mode System --- */
body.dark-mode {
  --bg-body: #000000;
  --bg-surface: #121214;
  --bg-surface-translucent: rgba(18, 18, 20, 0.85);
  --bg-card: #1c1c1e;
  --bg-card-hover: #242426;
  --bg-secondary: #2c2c2e;
  
  --text-main: #f5f5f7;
  --text-muted: #86868b;
  --text-subtle: #a1a1a6;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-strong: rgba(255, 255, 255, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.6);
  
  --glass-bg: rgba(20, 20, 22, 0.88);
  --glass-border: rgba(255, 255, 255, 0.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.gi-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Force hide legacy or raw bullet lists inside nav */
ul.sub-menu,
.sub-menu,
.nav-menu ul {
  display: none !important;
}

/* ==========================================================================
   SLOW & SLICK APPLE ANIMATION SYSTEM (1.1s DURATION, ELEGANT STAGGER)
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(36px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slower, ultra-smooth scroll reveal transitions (1.1s) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Utility Classes --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: var(--color-accent);
  color: #ffffff;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.badge:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.badge-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* --- Buttons --- */
.gi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.gi-btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(var(--color-accent-rgb), 0.35);
}

.gi-btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(var(--color-accent-rgb), 0.45);
}

.gi-btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-main);
}

.gi-btn-outline {
  border: 1.5px solid var(--border-color-strong);
  color: var(--text-main);
}

.gi-btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* --- Reading Progress Bar --- */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #5e5ce6, #ff2d55);
  width: 0%;
  z-index: 99999;
  transition: width 0.1s linear;
}

/* ==========================================================================
   HEADER & SUB-HEADER TICKER
   ========================================================================== */
.site-header {
  position: relative;
  width: 100%;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  gap: 24px;
}

.site-logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  transition: transform var(--transition-fast);
}

.site-logo:hover {
  transform: scale(1.03);
}

.main-navigation {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.nav-menu > li {
  display: inline-flex;
  position: relative;
}

.nav-menu > li > a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.nav-menu > li:hover > a,
.nav-menu > li.current-menu-item > a {
  background-color: rgba(var(--color-accent-rgb), 0.1);
  color: var(--color-accent);
  transform: translateY(-1px);
}

/* Header Action Buttons & Search Pill */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.search-pill-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.search-pill-btn:hover {
  background: var(--bg-surface);
  border-color: var(--color-accent);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.kbd-shortcut {
  background: var(--bg-surface);
  border: 1px solid var(--border-color-strong);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
  transform: scale(1.08) rotate(15deg);
}

/* Sub-Header Ticker Bar */
.sub-header-ticker {
  position: relative;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
  padding: 10px 0;
  z-index: 90;
}

body.dark-mode .sub-header-ticker {
  background: #161618;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.ticker-badge {
  background: var(--color-accent);
  color: #ffffff;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-content a {
  color: var(--text-main);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.ticker-content a:hover {
  color: var(--color-accent);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 400px;
  height: 100vh;
  background: var(--bg-surface);
  z-index: 10000;
  padding: 32px 24px;
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.drawer-close-btn {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-menu a {
  font-size: 1.1rem;
  font-weight: 600;
}

/* --- Fullscreen Search Overlay --- */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  z-index: 20000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 100px;
}

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

.search-overlay-close {
  position: absolute;
  top: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.search-overlay-close:hover {
  transform: rotate(90deg);
}

.search-input-wrapper {
  position: relative;
  margin-bottom: 40px;
}

.search-input-wrapper input {
  width: 100%;
  font-size: 2.2rem;
  font-weight: 700;
  padding: 16px 20px 16px 60px;
  color: var(--text-main);
  border-bottom: 2px solid var(--border-color-strong);
  background: transparent;
}

.search-input-wrapper input::placeholder {
  color: var(--text-muted);
}

.search-icon-inside {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--text-muted);
}

/* Categories Modal Overlay Styles */
.categories-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  z-index: 20000;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-y: auto;
  padding-bottom: 60px;
}

.categories-overlay-close {
  position: absolute;
  top: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
  transition: transform var(--transition-fast);
}

.categories-overlay-close:hover {
  transform: rotate(90deg);
}

.categories-modal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cat-modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.cat-modal-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.cat-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--color-accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .categories-modal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .categories-modal-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Section Design System --- */
.gi-section {
  padding: 80px 0;
  position: relative;
}

.hero-section-wrapper {
  padding-top: 40px;
  padding-bottom: 60px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 20px;
}

.section-title-wrap {
  max-width: 650px;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.8px;
  color: var(--text-main);
}

/* --- SECTION 1: HERO --- */
.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.hero-main-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.hero-main-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform var(--transition-slow);
}

.hero-main-card:hover .hero-main-bg {
  transform: scale(1.06);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.85) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: #ffffff;
}

.hero-content .badge {
  margin-bottom: 16px;
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  opacity: 0.9;
}

.hero-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-sub-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  transition: all var(--transition-fast);
}

.hero-sub-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.hero-sub-img {
  width: 100px;
  height: 90px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.hero-sub-info h4 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- SECTION 2: TRENDING CATEGORIES --- */
.categories-pills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.cat-pill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cat-pill-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
}

.cat-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(var(--color-accent-rgb), 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
  transition: transform var(--transition-fast);
}

.cat-pill-card:hover .cat-icon-box {
  transform: scale(1.15) rotate(8deg);
  background: var(--color-accent);
  color: #ffffff;
}

.cat-pill-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.cat-pill-card span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- ARTICLE CARDS --- */
.gi-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.gi-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.gi-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-color-strong);
}

.post-card-thumb {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card-thumb img {
  transform: scale(1.08);
}

.post-card-thumb .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}

.post-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--text-main);
}

.post-card-title a:hover {
  color: var(--color-accent);
}

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-subtle);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- SECTION 4: POPULAR ARTICLES (Ranked) --- */
.popular-rank-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.popular-rank-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.rank-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.4;
  min-width: 40px;
}

.popular-thumb {
  width: 100px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

/* --- SECTION 9: PODCAST & MULTIMEDIA SPOTLIGHT --- */
.podcast-spotlight-card {
  background: linear-gradient(135deg, #1c1c1e 0%, #0c0c0e 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.podcast-player-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.audio-wave {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 36px;
  margin: 20px 0;
}

.audio-wave span {
  display: block;
  width: 4px;
  background: var(--color-accent);
  border-radius: 4px;
  animation: wavePulse 1.2s infinite ease-in-out alternate;
}

.podcast-playlist {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.podcast-episode-item {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition-fast);
}

.podcast-episode-item:hover {
  background: rgba(255,255,255,0.12);
  transform: translateX(6px);
}

/* --- SECTION 10: TECH REVIEW & COMPARISON GRID --- */
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.review-score-badge {
  background: #34c759;
  color: #ffffff;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

/* --- SECTION 11: AUTHORS & CONTRIBUTORS SHOWCASE --- */
.author-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.author-profile-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.author-profile-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
}

.author-avatar-ring {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #5e5ce6 100%);
  margin: 0 auto 16px;
  transition: transform var(--transition-fast);
}

.author-avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* --- SECTION 7: NEWSLETTER --- */
.newsletter-box {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.newsletter-box h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.newsletter-box p {
  font-size: 1.05rem;
  color: var(--text-subtle);
  margin-bottom: 32px;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}

.newsletter-form input {
  flex-grow: 1;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color-strong);
  box-shadow: var(--shadow-sm);
}

/* --- SINGLE POST PAGE (3-COLUMN LAYOUT WITH LEFT TABLE OF CONTENTS) --- */
.single-post-header {
  text-align: center;
  max-width: 860px;
  margin: 40px auto 32px;
}

.single-post-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin: 16px 0 24px;
}

.single-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.single-featured-wrapper {
  max-width: 1040px;
  margin: 0 auto 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.single-post-layout-3col {
  display: grid;
  grid-template-columns: 240px 1fr 300px;
  gap: 36px;
  align-items: start;
}

.toc-sidebar-left {
  position: sticky;
  top: 20px;
}

.entry-content {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-main);
}

.entry-content p {
  margin-bottom: 24px;
}

.toc-box {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}

.toc-title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.toc-list a {
  color: var(--text-subtle);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.toc-list a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding-top: 80px;
  margin-top: 100px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-accent);
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
}

/* --- RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1024px) {
  .main-navigation, .search-pill-btn {
    display: none !important;
  }
  .mobile-nav-toggle {
    display: flex !important;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .gi-grid-4, .gi-grid-3, .author-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .single-post-layout-3col {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .gi-grid-2, .categories-pills-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-form {
    flex-direction: column;
  }
}