/* ==========================================================================
   MITCE Accelerator - Japanese Minimalist Editorial Design System
   ========================================================================== */

:root {
  /* Color Palette - Japanese Minimalist / 日式极简 */
  --bg-paper: #F9F8F4;              /* 纸白 */
  --card-white: #FFFFFF;            /* 纯白 */
  --text-heading: #242624;          /* 墨黑 */
  --text-body: #50544F;             /* 深暖灰 */
  --text-muted: #848882;            /* 鼠尾草灰 */
  --primary-vermilion: #9B5147;     /* 深朱红 */
  --primary-vermilion-hover: #7D3E36;/* 暗朱红 */
  --secondary-sage: #849188;        /* 鼠尾草绿 */
  --secondary-sage-light: #EEF1ED;  /* 淡鼠尾草 */
  --border-line: #E4E5DF;           /* 细线分隔符 */
  --border-line-dark: #C5C7BF;      /* 强调线 */
  --accent-gold: #C29B38;           /* 沉稳金 */

  /* Typography */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "STSong", "Microsoft YaHei", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, Monaco, monospace;

  /* Layout Spacing */
  --container-max: 1200px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-paper);
  color: var(--text-body);
  font-family: var(--font-sans);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Paper Texture Subtle Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.25rem;
}

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

a:hover {
  color: var(--primary-vermilion);
}

ul, ol {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-vermilion);
  color: #FFFFFF;
  border-color: var(--primary-vermilion);
}

.btn-primary:hover {
  background-color: var(--primary-vermilion-hover);
  border-color: var(--primary-vermilion-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-heading);
  border-color: var(--border-line-dark);
}

.btn-outline:hover {
  border-color: var(--primary-vermilion);
  color: var(--primary-vermilion);
  background-color: #FFFFFF;
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(249, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 0.05em;
}

.brand-logo .logo-mark {
  width: 28px;
  height: 28px;
  background-color: var(--primary-vermilion);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-heading);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--primary-vermilion);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-heading);
  cursor: pointer;
  padding: 0.5rem;
}

/* Section Title Style */
.section-header {
  margin-bottom: 3.5rem;
}

.section-header.center {
  text-align: center;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary-vermilion);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  color: var(--text-heading);
  line-height: 1.25;
}

.section-desc {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 640px;
}

.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--secondary-sage-light);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--secondary-sage);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-title span {
  color: var(--primary-vermilion);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-body);
  margin-bottom: 2.25rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-metrics {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-line);
}

.metric-item .metric-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-heading);
}

.metric-item .metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Node Map Visualization (Japanese Minimalist SVG / CSS) */
.hero-visual {
  position: relative;
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-line);
}

.visual-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  font-family: var(--font-serif);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--secondary-sage);
  background-color: var(--secondary-sage-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--secondary-sage);
}

/* Key Advantages Section */
.advantages-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-line);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.advantage-card {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  padding: 2.75rem 2rem;
  border-radius: var(--radius-md);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.advantage-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-line-dark);
}

.adv-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-vermilion);
  margin-bottom: 1.25rem;
  display: block;
  opacity: 0.9;
}

.adv-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.adv-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  margin-bottom: 0;
}

.adv-list {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border-line);
}

.adv-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.adv-list li::before {
  content: "—";
  color: var(--primary-vermilion);
}

/* Nodes Section */
.nodes-section {
  padding: 6rem 0;
  background-color: var(--bg-paper);
  border-bottom: 1px solid var(--border-line);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.node-item {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

.node-item:hover {
  border-color: var(--primary-vermilion);
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.node-region {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--text-heading);
}

.node-flag {
  font-size: 1.25rem;
}

.node-ping {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--secondary-sage);
  background: var(--secondary-sage-light);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.node-specs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.node-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.node-tag {
  font-size: 0.725rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  color: var(--text-body);
}

/* AI & Streaming Section */
.services-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-line);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.service-card {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 3rem 2.5rem;
}

.service-tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary-sage);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.service-title {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 0.975rem;
  color: var(--text-body);
  margin-bottom: 1.75rem;
}

.app-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.app-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-heading);
  font-weight: 500;
}

/* Pricing Section - Japanese Catalog Style */
.pricing-section {
  padding: 6rem 0;
  background-color: var(--bg-paper);
  border-bottom: 1px solid var(--border-line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.pricing-card.popular {
  border-color: var(--primary-vermilion);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background-color: var(--primary-vermilion);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  min-height: 2.5em;
}

.plan-price-box {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-line);
}

.plan-price {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1;
}

.plan-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.plan-features {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.875rem;
  color: var(--text-body);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.plan-features li::before {
  content: "✓";
  color: var(--primary-vermilion);
  font-weight: bold;
}

.pricing-card .btn {
  width: 100%;
}

/* Articles Directory Section - Editorial Directory Style */
.articles-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-line);
}

.editorial-directory {
  display: flex;
  flex-direction: column;
}

.directory-item {
  display: grid;
  grid-template-columns: 140px 1fr 120px;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-line);
  transition: background-color var(--transition-fast);
}

.directory-item:first-child {
  border-top: 1px solid var(--border-line);
}

.directory-item:hover {
  background-color: rgba(255, 255, 255, 0.6);
}

.dir-cat {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary-sage);
  letter-spacing: 0.05em;
}

.dir-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.dir-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-heading);
}

.dir-title a:hover {
  color: var(--primary-vermilion);
}

.dir-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dir-meta {
  font-size: 0.825rem;
  color: var(--text-muted);
  text-align: right;
  font-family: var(--font-mono);
}

/* Testimonials / Reviews Section */
.reviews-section {
  padding: 6rem 0;
  background-color: var(--bg-paper);
  border-bottom: 1px solid var(--border-line);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-quote {
  font-size: 0.95rem;
  color: var(--text-body);
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-line);
}

.author-avatar {
  width: 40px;
  height: 40px;
  background-color: var(--secondary-sage-light);
  color: var(--secondary-sage);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.author-info .author-name {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.9rem;
}

.author-info .author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* FAQ Section */
.faq-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-line);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-line);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-line);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.faq-icon {
  font-size: 1.25rem;
  font-weight: 300;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-body);
  margin-bottom: 0;
}

/* Article Page Specific Layout */
.article-page {
  padding: 4rem 0 6rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

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

.breadcrumbs a:hover {
  color: var(--primary-vermilion);
}

.breadcrumbs span.separator {
  color: var(--border-line-dark);
}

.article-header {
  max-width: 840px;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-line);
}

.article-category {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-vermilion);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.article-h1 {
  font-size: clamp(2.2rem, 3.8vw, 3rem);
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-body);
}

.article-content h2 {
  font-size: 1.65rem;
  margin: 2.5rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-line);
}

.article-content h3 {
  font-size: 1.3rem;
  margin: 2rem 0 1rem;
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-content ul {
  list-style-type: disc;
}

.article-content ol {
  list-style-type: decimal;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background-color: var(--card-white);
  border-left: 3px solid var(--primary-vermilion);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-heading);
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--secondary-sage-light);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

.article-content pre {
  background-color: #242624;
  color: #F9F8F4;
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-cta-box {
  margin: 3rem 0;
  padding: 2.5rem;
  background-color: var(--card-white);
  border: 1px solid var(--border-line-dark);
  border-radius: var(--radius-md);
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.article-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.sidebar-widget {
  background-color: var(--card-white);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.widget-title {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-line);
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.related-link-item {
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-heading);
}

.related-link-item:hover {
  color: var(--primary-vermilion);
}

/* Legal Pages Styling (About, Terms, Privacy, Sitemap) */
.static-page-header {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--border-line);
  margin-bottom: 3rem;
}

.static-page-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

/* Footer Section */
.site-footer {
  background-color: var(--card-white);
  border-top: 1px solid var(--border-line);
  padding: 5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand .brand-logo {
  margin-bottom: 1.25rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 1.25rem;
  font-family: var(--font-serif);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-body);
}

.footer-links a:hover {
  color: var(--primary-vermilion);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-friends {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-friends span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .directory-item {
    grid-template-columns: 120px 1fr;
  }
  .directory-item .dir-meta {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-paper);
    border-bottom: 1px solid var(--border-line);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  }
  .nav-menu.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .header-actions .btn-login {
    display: none;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .directory-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 430px) {
  .container {
    padding: 0 1.15rem;
  }
  .hero-section {
    padding: 3rem 0 2.5rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .hero-metrics {
    flex-direction: column;
    gap: 1.25rem;
  }
}