/* ==========================================================================
   番茄 V2 航线 (fanqiev2.sbs) — 原生纯 CSS 样式表 (Zero JS Architecture)
   Aerospace Radar & Tomato Crimson Aesthetic
   ========================================================================== */

:root {
  --bg-deep: #07090f;
  --bg-surface: #0d111b;
  --bg-card: rgba(15, 20, 33, 0.78);
  --bg-card-solid: #111624;
  --bg-elevated: rgba(24, 31, 50, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(196, 181, 253, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #8b9bb4;

  --tomato: #c4b5fd;
  --tomato-bright: #d8b4fe;
  --tomato-deep: #a78bfa;
  --tomato-glow: rgba(196, 181, 253, 0.28);
  --coral: #e9d5ff;
  --emerald: #10b981;
  --emerald-soft: rgba(16, 185, 129, 0.15);
  --amber: #f59e0b;
  --sky: #38bdf8;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;

  --shadow-card: 0 18px 45px rgba(0, 0, 0, 0.42);
  --shadow-glow: 0 0 36px rgba(196, 181, 253, 0.22);
  --container-max: 1200px;
  --header-h: 74px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   纯 CSS 动态背景层 (Dynamic Aerospace & Flight-Path Canvas)
   ========================================================================== */
.sky-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(196, 181, 253, 0.14) 0%, transparent 45%),
    radial-gradient(circle at 86% 24%, rgba(167, 139, 250, 0.09) 0%, transparent 42%),
    radial-gradient(circle at 60% 88%, rgba(16, 185, 129, 0.09) 0%, transparent 48%),
    linear-gradient(180deg, #06080e 0%, #0b0f19 52%, #070a12 100%);
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  will-change: transform;
}

.orb-crimson {
  width: 520px;
  height: 520px;
  top: -140px;
  left: -100px;
  background: radial-gradient(circle, rgba(196, 181, 253, 0.34) 0%, rgba(196, 181, 253, 0) 70%);
  animation: driftCrimson 20s ease-in-out infinite alternate;
}

.orb-amber {
  width: 440px;
  height: 440px;
  top: 28%;
  right: -120px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.22) 0%, rgba(167, 139, 250, 0) 72%);
  animation: driftAmber 24s ease-in-out infinite alternate;
}

.orb-emerald {
  width: 460px;
  height: 460px;
  bottom: -150px;
  left: 32%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, rgba(16, 185, 129, 0) 72%);
  animation: driftEmerald 26s ease-in-out infinite alternate;
}

.radar-grid {
  position: absolute;
  inset: -40px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 35%, transparent 100%);
  animation: gridDrift 28s linear infinite;
}

.radar-sweep {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(196, 181, 253, 0.045) 48%,
    rgba(216, 180, 254, 0.11) 50%,
    transparent 52%
  );
  transform: translateY(-100%);
  animation: radarSweep 11s ease-in-out infinite;
}

.airway-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.65;
}

.airway-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 1.3;
}

.airway-pulse {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 28 240;
  animation: airwayFlow 9s linear infinite;
}

.airway-pulse--red {
  stroke: rgba(216, 180, 254, 0.72);
}

.airway-pulse--emerald {
  stroke: rgba(16, 185, 129, 0.55);
  animation-duration: 12s;
  animation-delay: -3s;
}

.airway-pulse--amber {
  stroke: rgba(245, 158, 11, 0.5);
  animation-duration: 14s;
  animation-delay: -6s;
}

.beacon-ring {
  fill: none;
  stroke: rgba(216, 180, 254, 0.55);
  stroke-width: 1.5;
  transform-box: fill-box;
  transform-origin: center;
  animation: beaconPulse 3.6s ease-out infinite;
}

.beacon-ring--alt {
  stroke: rgba(16, 185, 129, 0.5);
  animation-delay: 1.8s;
}

.spark-field {
  position: absolute;
  inset: 0;
}

.spark {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(216, 180, 254, 0.78);
  box-shadow: 0 0 12px rgba(196, 181, 253, 0.85);
  animation: riseSpark 16s linear infinite;
}

.spark:nth-child(1) { left: 10%; bottom: -10%; animation-duration: 14s; animation-delay: 0s; }
.spark:nth-child(2) { left: 26%; bottom: -15%; animation-duration: 19s; animation-delay: -5s; background: rgba(16, 185, 129, 0.7); box-shadow: 0 0 12px rgba(16, 185, 129, 0.8); }
.spark:nth-child(3) { left: 48%; bottom: -12%; animation-duration: 16s; animation-delay: -9s; }
.spark:nth-child(4) { left: 68%; bottom: -10%; animation-duration: 21s; animation-delay: -3s; background: rgba(245, 158, 11, 0.7); }
.spark:nth-child(5) { left: 85%; bottom: -14%; animation-duration: 15s; animation-delay: -7s; }
.spark:nth-child(6) { left: 93%; bottom: -10%; animation-duration: 18s; animation-delay: -11s; background: rgba(56, 189, 248, 0.65); }

@keyframes driftCrimson {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(90px, 60px, 0) scale(1.16); }
}

@keyframes driftAmber {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-80px, 75px, 0) scale(1.12); }
}

@keyframes driftEmerald {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(70px, -65px, 0) scale(1.15); }
}

@keyframes gridDrift {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(64px, 64px, 0); }
}

@keyframes radarSweep {
  0% { transform: translateY(-100%); opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

@keyframes airwayFlow {
  from { stroke-dashoffset: 268; }
  to { stroke-dashoffset: -268; }
}

@keyframes beaconPulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(2.8); opacity: 0; }
}

@keyframes riseSpark {
  0% { transform: translate3d(0, 0, 0); opacity: 0; }
  15% { opacity: 0.9; }
  85% { opacity: 0.85; }
  100% { transform: translate3d(28px, -115vh, 0); opacity: 0; }
}

.site-shell {
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header & Top-Left Brand Logo (Pure CSS Mobile Drawer)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(7, 9, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(196, 181, 253, 0.25);
  transition: transform 0.25s ease;
}

.brand-link:hover .brand-logo-img {
  transform: rotate(-6deg) scale(1.05);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--tomato-bright);
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
}

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
}

.header-nav-wrap {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.88rem;
  border-radius: 10px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #e9d5ff 0%, #c4b5fd 52%, #a78bfa 100%);
  color: #160c2e;
  box-shadow: 0 8px 24px rgba(196, 181, 253, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(196, 181, 253, 0.48);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}

/* ==========================================================================
   Hero Section & Live Airway Telemetry Card
   ========================================================================== */
.hero-section {
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(196, 181, 253, 0.12);
  border: 1px solid rgba(196, 181, 253, 0.34);
  color: #e9d5ff;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.65); }
  70% { box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.1rem, 4.1vw, 3.3rem);
  font-weight: 850;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.hero-title .accent {
  background: linear-gradient(95deg, #f3e8ff 0%, #d8b4fe 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 1.06rem;
  color: var(--text-secondary);
  margin-bottom: 26px;
  max-width: 600px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tag {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
}

/* Telemetry Panel */
.telemetry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  backdrop-filter: blur(14px);
}

.telemetry-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.telemetry-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.94rem;
  font-weight: 700;
}

.telemetry-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--emerald-soft);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.route-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.route-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.route-name {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.route-flag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(196, 181, 253, 0.16);
  color: #e9d5ff;
}

.route-bar {
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.route-bar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--emerald), #34d399);
}

.route-ping {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #34d399;
  font-weight: 700;
  min-width: 46px;
  text-align: right;
}

.telemetry-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.t-stat strong {
  display: block;
  font-size: 1rem;
  color: var(--text-primary);
}

.t-stat span {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Metrics Strip & Section Common
   ========================================================================== */
.metrics-strip {
  padding: 14px 0 42px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.metric-box strong {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.metric-box span {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.section {
  padding: 64px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tomato-bright);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 0;
}

/* ==========================================================================
   Pricing Section — 严格要求：所有价格同排展示！
   ========================================================================== */
.pricing-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.plan-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 181, 253, 0.55);
}

.plan-card--featured {
  background: linear-gradient(180deg, rgba(196, 181, 253, 0.14) 0%, rgba(15, 20, 33, 0.9) 42%);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-card), 0 0 40px rgba(196, 181, 253, 0.2);
}

.plan-ribbon {
  position: absolute;
  top: -12px;
  right: 22px;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e9d5ff, #c4b5fd);
  color: #160c2e;
  font-size: 0.76rem;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(196, 181, 253, 0.34);
}

.plan-tier {
  font-size: 1.18rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.plan-sub {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.plan-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tomato-bright);
}

.plan-amount {
  font-size: 2.5rem;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.plan-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-quota-badge {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.plan-quota-badge strong {
  color: #34d399;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.check-icon {
  color: var(--emerald);
  font-weight: 800;
  flex-shrink: 0;
}

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

.pricing-footnote {
  margin-top: 22px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.pay-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pay-badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-primary);
}

/* ==========================================================================
   GEO Spec Table & Feature Cards
   ========================================================================== */
.spec-table-wrap {
  margin-top: 28px;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-medium);
  background: var(--bg-card);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.92rem;
}

.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-weight: 700;
}

.spec-table td {
  color: var(--text-secondary);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.card-box:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 181, 253, 0.14);
  border: 1px solid rgba(196, 181, 253, 0.32);
  color: var(--tomato-bright);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.card-box h3 {
  font-size: 1.08rem;
  font-weight: 750;
  margin-bottom: 8px;
}

.card-box p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Regional Nodes */
.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
}

.node-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.node-region {
  font-weight: 750;
  font-size: 1rem;
}

.node-code {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
}

.node-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   Articles Grid & Outbound Links
   ========================================================================== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(196, 181, 253, 0.5);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.tag-chip {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(196, 181, 253, 0.14);
  color: #e9d5ff;
  border: 1px solid rgba(196, 181, 253, 0.3);
}

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

.article-card h3 {
  font-size: 1.08rem;
  font-weight: 750;
  line-height: 1.42;
  margin-bottom: 10px;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.article-more {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--tomato-bright);
}

/* External Resource Links */
.ext-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.ext-card h3 {
  font-size: 0.98rem;
  font-weight: 750;
  margin-bottom: 6px;
}

.ext-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.ext-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sky);
}

.ext-link:hover {
  color: #7dd3fc;
}

/* ==========================================================================
   Reviews & FAQ (Bottom Sections)
   ========================================================================== */
.review-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.review-stars {
  color: var(--amber);
  font-size: 0.95rem;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.review-quote {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.review-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}

.review-author strong {
  color: var(--text-primary);
}

.review-author span {
  color: var(--text-muted);
}

/* Pure HTML/CSS Details Accordion */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--tomato-bright);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 22px 18px;
  font-size: 0.94rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 14px;
}

/* Bottom CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(196, 181, 253, 0.18) 0%, rgba(15, 20, 33, 0.92) 55%, rgba(16, 185, 129, 0.12) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.cta-banner h2 {
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  margin-bottom: 8px;
}

.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 0;
  max-width: 620px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(5, 7, 12, 0.92);
  padding: 52px 0 32px;
  margin-top: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 34px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 0;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 0.94rem;
  font-weight: 750;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Rules (Keep pricing row 3-across down to 768px!)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .plan-card {
    padding: 22px 16px;
  }
  .plan-amount {
    font-size: 2.1rem;
  }
}

@media (max-width: 900px) {
  .nav-burger {
    display: flex;
  }
  .header-nav-wrap {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(7, 9, 15, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-medium);
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav-toggle:checked ~ .header-nav-wrap {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .pricing-row,
  .grid-3,
  .grid-4,
  .metrics-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-section {
    padding: 40px 0 28px;
  }
  .section {
    padding: 46px 0;
  }
  .cta-banner {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}