/* ==========================================================================
   GLaDOS Network - Modern Pure Native CSS
   Optimized for Sub-Second Loading Speed & 100/100 Core Web Vitals
   Zero External Frameworks / Pure Vanilla CSS
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Color Palette - Deep Cosmic Purple (参考用户夜空流星实景) */
  --bg-main: #090414;
  --bg-surface: #120924;
  --bg-surface-elevated: #1a0d33;
  --bg-card: rgba(20, 11, 38, 0.72);
  --bg-card-hover: rgba(30, 17, 56, 0.86);

  --primary: #a855f7;
  --primary-hover: #c084fc;
  --primary-glow: rgba(168, 85, 247, 0.45);
  --accent-cyan: #00d2ff;
  --accent-cyan-glow: rgba(0, 210, 255, 0.35);
  --ice-purple: #c084fc;
  --ice-purple-glow: rgba(192, 132, 252, 0.45);
  --accent-magenta: #d946ef;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-sub: #94a3b8;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(168, 85, 247, 0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.3);

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background: transparent;
}

/* Background Canvas & Ambient Gradients */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background: 
    radial-gradient(ellipse at 22% 25%, rgba(168, 85, 247, 0.2) 0%, transparent 55%),
    radial-gradient(circle at 78% 18%, rgba(217, 70, 239, 0.16) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 95%, rgba(217, 70, 239, 0.26) 0%, rgba(147, 51, 234, 0.12) 40%, transparent 70%);
}

/* Ensure all page content stacks cleanly in front of background canvas */
.site-header,
main,
section,
.site-footer {
  position: relative;
  z-index: 1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography & Utility */
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

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

.text-gradient {
  background: linear-gradient(135deg, #ffffff 10%, #e9d5ff 35%, #d8b4fe 65%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-alt {
  background: linear-gradient(135deg, #e9d5ff 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons & CTA Specification */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 50%, #c084fc 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(168, 85, 247, 0.45);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #a855f7 0%, #c084fc 50%, #e9d5ff 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(192, 132, 252, 0.65);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border-color: var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-pulse {
  position: relative;
  overflow: hidden;
}

.btn-pulse::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    rgba(255, 255, 255, 0) 30%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 70%
  );
  transform: rotate(30deg);
  animation: shine 3.5s infinite;
}

@keyframes shine {
  0% { transform: translateX(-150%) rotate(30deg); }
  25%, 100% { transform: translateX(150%) rotate(30deg); }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: rgba(24, 144, 255, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(24, 144, 255, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 10, 19, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img,
.brand-logo svg {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

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

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

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
}

.hero-pill {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(1.85rem, 3.8vw, 3.25rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 860px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-item .trust-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.2;
}

.trust-item .trust-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ==========================================================================
   Section Common
   ========================================================================== */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 980px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.35rem);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title {
    white-space: nowrap;
  }
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Feature Cards Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(24, 144, 255, 0.12);
  border: 1px solid rgba(24, 144, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  color: var(--primary);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   Pricing Section (STRICT: All in the SAME ROW)
   ========================================================================== */
.pricing-section {
  background: linear-gradient(180deg, rgba(14, 21, 38, 0) 0%, rgba(14, 21, 38, 0.6) 50%, rgba(14, 21, 38, 0) 100%);
}

.pricing-tabs-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.pricing-tabs {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 0.35rem;
  gap: 0.25rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 10px var(--primary-glow);
}

/* The 4-column row layout for pricing cards */
.pricing-grid-same-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
}

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

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.12) 0%, rgba(16, 25, 46, 0.85) 100%);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.25);
}

.card-ribbon {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, #9333ea, #c084fc);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(0, 210, 255, 0.4);
}

.plan-header {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.plan-badge-inline {
  font-size: 0.78rem;
  color: #38bdf8;
  margin-bottom: 0.75rem;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: #38bdf8;
}

.price-num {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

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

.price-desc {
  font-size: 0.82rem;
  color: var(--text-sub);
  margin-top: 0.35rem;
}

.specs-list {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.specs-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.specs-item svg,
.specs-item .check-icon {
  color: #10b981;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.pricing-cta {
  margin-top: auto;
  width: 100%;
}

.pricing-disclaimer {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 2rem;
}

/* ==========================================================================
   Node Latency & Real-Time Speed Status
   ========================================================================== */
.nodes-table-wrap {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.nodes-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.nodes-table th,
.nodes-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.92rem;
}

.nodes-table th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.nodes-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.node-flag {
  font-size: 1.25rem;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.latency-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.85rem;
}

.latency-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* ==========================================================================
   Client Ecosystem
   ========================================================================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.client-box {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

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

.client-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.client-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.client-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Articles / Knowledge Base Showcase
   ========================================================================== */
.articles-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.article-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-bottom: 0.75rem;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  color: var(--text-main);
}

.article-card-title:hover {
  color: #38bdf8;
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  margin-bottom: 1.25rem;
}

.tag-pill {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: #7dd3fc;
}

.read-more-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.read-more-link:hover {
  color: #40a9ff;
  gap: 0.6rem;
}

/* ==========================================================================
   User Reviews & Testimonials
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

.review-stars {
  color: #fbbf24;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1890ff, #00d2ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1rem;
}

.reviewer-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.reviewer-meta {
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* ==========================================================================
   FAQ Section Accordion
   ========================================================================== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-icon {
  font-size: 1.35rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.35rem;
}

/* ==========================================================================
   External Authority Links & Trust Partners
   ========================================================================== */
.external-links-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: rgba(14, 21, 38, 0.4);
}

.ext-links-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem 2.5rem;
}

.ext-link-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-sub);
  transition: var(--transition);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #050811;
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: #38bdf8;
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  .pricing-grid-same-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid,
  .articles-preview-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions .btn-secondary {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .hero-trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .pricing-grid-same-row,
  .features-grid,
  .articles-preview-grid,
  .reviews-grid,
  .clients-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}