/* ==========================================================================
   飞星 VPN (fxvpn.cfd) - 官方主样式表
   极速 4K/8K 物理 IPLC 专线科学上网落地页
   全端深度响应式 / 星空流星科技美学 (Cosmic Tech)
   ========================================================================== */

:root {
  --bg-dark: #070a14;
  --bg-card: #0f172a;
  --bg-card-hover: #16223d;
  --bg-glass: rgba(15, 23, 42, 0.78);
  --border-color: rgba(59, 130, 246, 0.2);
  --border-focus: rgba(6, 182, 212, 0.55);

  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --cyan: #06b6d4;
  --cyan-hover: #0891b2;
  --accent: #8b5cf6;
  --amber: #f59e0b;
  --emerald: #10b981;

  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;

  --gradient-brand: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-card: linear-gradient(180deg, rgba(22, 34, 61, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  --gradient-glow: radial-gradient(circle at 50% -20%, rgba(6, 182, 212, 0.28), transparent 70%);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.25);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
}

body {
  overflow-x: hidden;
  background: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 20% 8%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 40%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.1) 0%, transparent 55%);
  background-attachment: fixed;
}

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

a:hover {
  color: #38bdf8;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 10, 20, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.4);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(6, 182, 212, 0.35);
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-sub);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan);
  transition: width 0.25s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5);
  color: #ffffff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--cyan);
  color: #ffffff;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
}

.mobile-nav-drawer {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background: rgba(7, 10, 20, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.mobile-nav-drawer.active {
  display: flex;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-links a {
  font-size: 1.1rem;
  color: var(--text-sub);
  display: block;
  padding: 8px 0;
}

.mobile-nav-links a:hover {
  color: #fff;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 160px;
  padding-bottom: 80px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: #38bdf8;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-sub);
  max-width: 820px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

/* Hero Metrics Row */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.metric-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  backdrop-filter: blur(12px);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.metric-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Section Common Components
   ========================================================================== */
.section-padding {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ==========================================================================
   Node Ping Monitor Dashboard
   ========================================================================== */
.ping-monitor-box {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}

.ping-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.ping-card {
  background: rgba(11, 18, 33, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.ping-card:hover {
  border-color: var(--border-focus);
  background: rgba(22, 34, 61, 0.6);
}

.ping-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ping-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.ping-name {
  font-weight: 700;
  font-size: 1.02rem;
  color: #fff;
  margin-bottom: 2px;
}

.ping-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ping-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  display: inline-block;
}

.ping-badge {
  text-align: right;
}

.ping-val {
  font-family: monospace;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--emerald);
}

.ping-bar-bg {
  width: 70px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 6px;
  overflow: hidden;
}

.ping-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--emerald), var(--cyan));
  border-radius: 2px;
}

/* ==========================================================================
   Bento Grid Feature Cards
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.bento-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  color: var(--cyan);
}

.bento-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.bento-card p {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   Pricing Cards Matrix
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.pricing-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.pricing-card.popular {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.1) 0%, rgba(15, 23, 42, 0.95) 100%);
  box-shadow: 0 0 35px rgba(6, 182, 212, 0.25);
  transform: scale(1.02);
}

.pricing-card.popular:hover {
  transform: scale(1.02) translateY(-6px);
}

.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
  white-space: nowrap;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #fff;
}

.plan-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  min-height: 42px;
}

.plan-price-box {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.plan-price {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.plan-price span {
  font-size: 0.95rem;
  font-weight: normal;
  color: var(--text-sub);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.5;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Supported Clients Matrix
   ========================================================================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.client-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  transition: var(--transition);
}

.client-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  background: rgba(22, 34, 61, 0.8);
}

.client-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.client-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.client-os {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Testimonials (用户评价)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: var(--amber);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.user-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Accordion (常见问题 FAQ)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(6, 182, 212, 0.4);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-arrow {
  font-size: 0.85rem;
  color: var(--cyan);
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px 24px;
}

/* ==========================================================================
   Articles Grid & Cards (机场推荐专栏)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

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

.article-badge {
  display: inline-block;
  font-size: 0.74rem;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
  font-weight: 600;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 12px;
}

.article-card h3 a {
  color: #fff;
}

.article-card h3 a:hover {
  color: var(--cyan);
}

.article-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 20px;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Article Detail Page Layout & Typography
   ========================================================================== */
.article-page-header {
  padding-top: 140px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.06) 0%, transparent 100%);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

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

.article-body-content {
  padding: 50px 24px 80px 24px;
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-body-content h2 {
  font-size: 1.7rem;
  color: #fff;
  margin: 44px 0 18px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-body-content h3 {
  font-size: 1.3rem;
  color: #e2e8f0;
  margin: 28px 0 14px 0;
}

.article-body-content p {
  margin-bottom: 20px;
}

.article-body-content strong {
  color: #38bdf8;
}

.article-body-content ul,
.article-body-content ol {
  margin: 0 0 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-body-content blockquote {
  border-left: 4px solid var(--cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: #94a3b8;
  font-style: italic;
}

.article-cta-box {
  margin: 44px 0;
  padding: 36px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
  border: 1px solid rgba(6, 182, 212, 0.4);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.article-cta-box h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: #fff;
}

.article-nav-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Footer Section & PBN Weight Transfer Pipeline (核心任务 2)
   ========================================================================== */
.site-footer {
  background: #04060c;
  border-top: 1px solid var(--border-color);
  padding: 56px 0 40px 0;
  text-align: center;
  position: relative;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.footer-desc {
  max-width: 650px;
  margin: 0 auto 20px auto;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-copyright {
  font-size: 0.82rem;
  color: #475569;
  margin-bottom: 24px;
}

/* PBN Friendly Links Area (友情链接区 - 核心任务 2 专用规范) */
.pbn-links-area {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: #64748b;
  margin-top: 8px;
}

.pbn-links-title {
  color: #64748b;
  font-weight: 500;
}

.pbn-link-item {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

.pbn-link-item:hover {
  color: #38bdf8;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.span-2 {
    grid-column: span 2;
  }
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .ping-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.popular {
    transform: none;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .ping-grid {
    grid-template-columns: 1fr;
  }
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 1.85rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .metrics-row {
    grid-template-columns: 1fr;
  }
  .container {
    padding: 0 16px;
  }
}