/* ==========================================================================
   Remine Helper - Official GitHub Pages Style System
   Crystal Glassmorphism & Neon Aura Design (Light & Dark Theme)
   ========================================================================== */

:root,
[data-theme="light"],
body:not(.dark-mode) {
  /* Color Palette - Light Mode */
  --bg-primary: #fbf5f9;
  --bg-secondary: #f3e5f1;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: rgba(255, 0, 122, 0.15);
  --border-highlight: rgba(255, 0, 122, 0.5);
  
  --text-main: #181420;
  --text-muted: #5e546c;
  --text-light: #8e839e;

  --primary-pink: #ff007a;
  --primary-gradient: linear-gradient(135deg, #ff007a 0%, #ff3385 50%, #8b45ff 100%);
  --accent-purple: #8b45ff;
  --accent-blue: #2563eb;
  --accent-green: #059669;

  --shadow-sm: 0 4px 14px rgba(255, 0, 122, 0.08);
  --shadow-md: 0 10px 30px rgba(255, 0, 122, 0.14);
  --shadow-lg: 0 20px 50px rgba(255, 0, 122, 0.18);
  --glass-blur: blur(20px);

  --font-heading: 'Outfit', 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Tokens */
body.dark-mode,
[data-theme="dark"] {
  --bg-primary: #0f0c18;
  --bg-secondary: #181324;
  --bg-card: rgba(26, 20, 38, 0.75);
  --bg-card-hover: rgba(36, 28, 52, 0.9);
  --border-color: rgba(255, 255, 255, 0.12);
  --border-highlight: rgba(255, 0, 122, 0.55);

  --text-main: #f8f7fb;
  --text-muted: #b2a9c2;
  --text-light: #7c728e;

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.65);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography & Gradient Helpers */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.gradient-text {
  color: var(--primary-pink);
  display: inline-block;
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13.5px;
}

.btn-lg {
  padding: 15px 30px;
  font-size: 16px;
  border-radius: var(--radius-full);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--primary-pink);
  color: #ffffff;
  border: 1px solid var(--primary-pink);
  box-shadow: 0 4px 14px rgba(255, 0, 122, 0.3);
}

.btn-primary:hover {
  background: #e6006e;
  border-color: #e6006e;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 0, 122, 0.45);
  color: #ffffff;
}

.btn-glass {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-glass:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-pink);
  transform: translateY(-2px);
}

.glow-effect {
  position: relative;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  transition: filter 0.3s ease;
}

body.dark-mode .brand-logo,
[data-theme="dark"] .brand-logo {
  filter: brightness(0) invert(1);
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--primary-pink);
}

.version-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  background: rgba(255, 0, 122, 0.15);
  color: var(--primary-pink);
  border-radius: 12px;
  border: 1px solid rgba(255, 0, 122, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-btn:hover {
  border-color: var(--primary-pink);
  color: var(--primary-pink);
  transform: rotate(15deg);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

body.dark-mode .sun-icon,
[data-theme="dark"] .sun-icon { display: block; }
body.dark-mode .moon-icon,
[data-theme="dark"] .moon-icon { display: none; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 70px 0 60px;
  text-align: center;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(255, 0, 122, 0.22) 0%, rgba(144, 85, 255, 0.12) 50%, transparent 80%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-pink);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-pink);
  box-shadow: 0 0 8px var(--primary-pink);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  word-break: keep-all;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-meta-note {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 48px;
}

/* Hero Showcase Frame */
.hero-showcase {
  max-width: 1060px;
  margin: 0 auto;
}

.showcase-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.showcase-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.showcase-tab:hover {
  color: var(--primary-pink);
  border-color: var(--primary-pink);
}

.showcase-tab.active {
  background: var(--primary-pink);
  color: #ffffff;
  border-color: var(--primary-pink);
  box-shadow: 0 4px 14px rgba(255, 0, 122, 0.3);
}

.showcase-frame {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  background: var(--bg-secondary);
}

.frame-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid var(--border-color);
}

body.dark-mode .frame-header {
  background: rgba(0, 0, 0, 0.4);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.window-controls .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.frame-url-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 16px;
  background: var(--bg-card);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-mode {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 0, 122, 0.12);
  color: var(--primary-pink);
  border: 1px solid rgba(255, 0, 122, 0.25);
  letter-spacing: 0.5px;
}

/* Dual Viewport System */
.frame-viewport {
  position: relative;
  background: var(--bg-card);
  overflow: hidden;
  display: flex;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 1. 사이드패널 모드 (이미지 높이 및 480:800 비율에 완벽히 맞춤) */
.frame-viewport.mode-sidepanel {
  height: 720px;
}

.frame-viewport.mode-sidepanel .browser-web-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  background: var(--bg-secondary);
  color: var(--text-main);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
}

.frame-viewport.mode-sidepanel .browser-sidepanel-dock {
  display: flex;
  flex-direction: column;
  width: 412px; /* (720px viewport - 33px topbar) * (480 / 800) = 412.2px (세로 잘림 완벽 방지) */
  flex-shrink: 0;
  background: var(--bg-primary);
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.25);
  z-index: 2;
  border-left: 1px solid var(--border-color);
}

.frame-viewport.mode-sidepanel .browser-dashboard-full {
  display: none;
}

/* 2. 대시보드 모드 (1280:800 이미지 비율에 완벽히 맞춤) */
.frame-viewport.mode-dashboard {
  height: auto;
  aspect-ratio: 1280 / 800;
  max-height: 720px;
}

.frame-viewport.mode-dashboard .browser-web-page,
.frame-viewport.mode-dashboard .browser-sidepanel-dock {
  display: none;
}

.frame-viewport.mode-dashboard .browser-dashboard-full {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.browser-dashboard-full img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  display: block;
}

/* Mock Web Page Elements (소개페이지 상단 구성 활용) */
.mock-web-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
}

.mock-web-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text-main);
  white-space: nowrap;
}

.mock-web-search-bar {
  flex: 1;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 11.5px;
  color: var(--text-muted);
}

.mock-web-user {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.mock-user-chip {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary-pink);
  background: rgba(255, 0, 122, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 0, 122, 0.2);
}

.mock-web-body.intro-styled {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mock-hero-mini {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.mock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(255, 0, 122, 0.1);
  border: 1px solid rgba(255, 0, 122, 0.25);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  color: var(--primary-pink);
}

.mock-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin: 0;
}

.highlight-pink {
  color: var(--primary-pink);
}

.mock-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.mock-btn-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.mock-btn-primary {
  display: inline-block;
  padding: 8px 16px;
  background: var(--primary-pink);
  color: #fff;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 0, 122, 0.35);
}

.mock-btn-ghost {
  display: inline-block;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}

.mock-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.mock-feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mock-feat-icon {
  font-size: 18px;
}

.mock-feat-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
}

.mock-feat-text {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-muted);
}

/* Sidepanel Dock Bar & Screen */
.sidepanel-dock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
}

.dock-action-icons {
  display: flex;
  gap: 10px;
  color: var(--text-light);
  cursor: pointer;
}

.sidepanel-dock-screen {
  flex: 1;
  overflow: hidden;
}

.sidepanel-dock-screen img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  display: block;
}

/* ==========================================================================
   Metrics Bar
   ========================================================================== */
.metrics-bar {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
}

.metric-icon {
  font-size: 28px;
}

.metric-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--primary-pink);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  word-break: keep-all;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
  padding: 90px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.pink-glow {
  background: rgba(255, 0, 122, 0.12);
  color: #ff007a;
  border: 1px solid rgba(255, 0, 122, 0.25);
}

.purple-glow {
  background: rgba(168, 85, 247, 0.12);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.25);
}

.blue-glow {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.green-glow {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.65;
  word-break: keep-all;
}

.feature-checklist {
  list-style: none;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.feature-checklist li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-main);
  font-weight: 500;
}

/* ==========================================================================
   What's New in v1.0.1 Section
   ========================================================================== */
.updates-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.updates-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 40px;
}

.updates-badge-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.badge-ver {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  padding: 4px 12px;
  background: var(--primary-gradient);
  color: #ffffff;
  border-radius: var(--radius-sm);
}

.badge-date {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

.updates-timeline {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
}

.updates-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  display: flex;
  gap: 20px;
  position: relative;
}

.timeline-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--primary-pink);
  flex-shrink: 0;
  margin-top: 3px;
  box-shadow: 0 0 10px rgba(255, 0, 122, 0.3);
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.timeline-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
  word-break: keep-all;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-section {
  padding: 90px 0;
}

.gallery-sub-header {
  margin-bottom: 24px;
}

.gallery-sub-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary-pink);
  background: rgba(255, 0, 122, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.gallery-sub-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.gallery-sub-desc {
  font-size: 14.5px;
  color: var(--text-muted);
}

.gallery-grid {
  display: grid;
  gap: 24px;
}

.sidepanel-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 230px));
  justify-content: center;
  gap: 20px;
}

.dashboard-grid {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.gallery-card {
  overflow: hidden;
  padding: 14px;
}

.gallery-img-wrap {
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  margin-bottom: 14px;
}

.sp-wrap {
  aspect-ratio: 480 / 800;
}

.dash-wrap {
  aspect-ratio: 16 / 10;
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-img-wrap img {
  transform: scale(1.03);
}

.gallery-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.gallery-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Download Section
   ========================================================================== */
.download-section {
  padding: 90px 0;
  background: var(--bg-secondary);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}

.download-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  height: 100%;
}

.download-card.popular {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.popular-tag {
  position: absolute;
  top: -12px;
  right: 28px;
  background: var(--primary-pink);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(255, 0, 122, 0.3);
  letter-spacing: -0.2px;
}

.popular-tag.firefox-tag {
  background: linear-gradient(135deg, #FF7139 0%, #FF3E6C 100%);
  box-shadow: 0 4px 12px rgba(255, 113, 57, 0.3);
}

.browser-icon {
  margin-bottom: 20px;
  color: var(--primary-pink);
  display: flex;
  align-items: center;
}

.browser-icon.firefox-icon {
  color: #FF7139;
}

.download-browser-title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 12px;
  min-height: 56px;
  display: flex;
  align-items: center;
  line-height: 1.35;
}

.download-browser-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
  min-height: 72px;
  display: flex;
  align-items: flex-start;
}

.install-steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  background: rgba(0, 0, 0, 0.04);
  padding: 16px;
  border-radius: 12px;
  flex: 1;
  min-height: 152px;
  justify-content: center;
}

.download-card .btn {
  margin-top: auto;
}

body.dark-mode .install-steps-list {
  background: rgba(0, 0, 0, 0.25);
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-main);
}

.step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-pink);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.install-steps-list code {
  background: rgba(255, 0, 122, 0.15);
  color: var(--primary-pink);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: monospace;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 90px 0;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary-pink);
}

.faq-chevron {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary-pink);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-answer code {
  background: rgba(255, 0, 122, 0.15);
  color: var(--primary-pink);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12.5px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 380px;
}

.brand-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-sns-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sns-group-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.sns-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.sns-links a {
  text-decoration: none;
  font-size: 13.5px;
  color: var(--text-muted);
  transition: var(--transition);
}

.sns-links a:hover {
  color: var(--primary-pink);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.disclaimer {
  font-size: 12.5px;
  color: var(--text-light);
  line-height: 1.5;
}

.footer-copyright {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  transition: var(--transition);
}

.github-link:hover {
  color: var(--primary-pink);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .showcase-tabs {
    gap: 6px;
  }

  .showcase-tab {
    padding: 6px 12px;
    font-size: 12px;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}