/* 光年VPN - 自定义样式 */
:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --accent: #22d3ee;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.7;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(15,23,42,0.97);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.logo-text span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn-nav {
  background: var(--gradient) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  transition: all 0.2s !important;
  box-shadow: 0 4px 16px rgba(14,165,233,0.3);
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(14,165,233,0.45) !important;
  background: rgba(0,0,0,0) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(14,165,233,0.15) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 60%, rgba(34,211,238,0.08) 0%, transparent 60%),
              var(--dark);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.3);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s;
  box-shadow: 0 8px 32px rgba(14,165,233,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(14,165,233,0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== SECTIONS ===== */
section { padding: 80px 24px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 60px;
}

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

/* ===== FEATURES ===== */
.features { background: var(--dark); }

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

.feature-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  border-color: rgba(14,165,233,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(14,165,233,0.1);
}

.feature-card:hover::before { opacity: 0.03; }

.feature-icon {
  width: 56px; height: 56px;
  background: rgba(14,165,233,0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  position: relative;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 15px;
  position: relative;
  line-height: 1.6;
}

/* ===== NODES ===== */
.nodes { background: var(--dark-2); }

.nodes-world {
  background: rgba(14,165,233,0.04);
  border: 1px solid rgba(14,165,233,0.1);
  border-radius: 24px;
  padding: 48px 40px;
  margin-bottom: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.nodes-world::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 500'%3E%3Cellipse cx='600' cy='250' rx='580' ry='230' fill='none' stroke='rgba(14,165,233,0.08)' stroke-width='1'/%3E%3Cellipse cx='600' cy='250' rx='430' ry='170' fill='none' stroke='rgba(14,165,233,0.06)' stroke-width='1'/%3E%3Cellipse cx='600' cy='250' rx='280' ry='110' fill='none' stroke='rgba(14,165,233,0.06)' stroke-width='1'/%3E%3Cline x1='20' y1='250' x2='1180' y2='250' stroke='rgba(14,165,233,0.06)' stroke-width='1'/%3E%3Cline x1='600' y1='20' x2='600' y2='480' stroke='rgba(14,165,233,0.06)' stroke-width='1'/%3E%3C/svg%3E") center/cover no-repeat;
  opacity: 0.6;
}

.nodes-world > * { position: relative; z-index: 1; }

.nodes-big-num {
  font-size: clamp(60px, 10vw, 120px);
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.nodes-world p {
  font-size: 18px;
  color: var(--text-muted);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.node-item {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

.node-item:hover {
  border-color: rgba(14,165,233,0.3);
  background: rgba(14,165,233,0.05);
}

.node-flag { font-size: 24px; }
.node-info { display: flex; flex-direction: column; }
.node-name { font-size: 14px; font-weight: 600; }
.node-count { font-size: 12px; color: var(--accent); font-weight: 500; }

/* ===== PRICING ===== */
.pricing { background: var(--dark); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 36px 32px;
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(14,165,233,0.08) 0%, var(--dark-2) 100%);
  box-shadow: 0 0 0 1px rgba(14,165,233,0.3), 0 20px 60px rgba(14,165,233,0.1);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 20px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.plan-price {
  margin-bottom: 8px;
  line-height: 1;
}

.plan-price .currency { font-size: 24px; font-weight: 700; vertical-align: top; margin-top: 8px; display: inline-block; }
.plan-price .amount { font-size: 60px; font-weight: 900; letter-spacing: -2px; }
.plan-price .period { font-size: 16px; color: var(--text-muted); font-weight: 500; }

.plan-per-month {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.plan-save {
  display: inline-block;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
  margin-left: 8px;
}

.plan-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 24px 0;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 12px;
}

.plan-features li .check {
  color: var(--accent);
  font-size: 16px;
  flex-shrink: 0;
}

.btn-plan {
  display: block;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
}

.btn-plan-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(14,165,233,0.3);
}

.btn-plan-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(14,165,233,0.45);
}

.btn-plan-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.12);
}

.btn-plan-secondary:hover {
  background: rgba(255,255,255,0.1);
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--dark-2); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 28px;
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

.author-name { font-size: 14px; font-weight: 700; }
.author-info { font-size: 12px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq { background: var(--dark); }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item.open {
  border-color: rgba(14,165,233,0.3);
}

.faq-question {
  width: 100%;
  background: var(--dark-2);
  border: none;
  color: var(--white);
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: all 0.2s;
}

.faq-question:hover { background: rgba(14,165,233,0.05); }

.faq-icon {
  width: 24px; height: 24px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all 0.3s;
}

.faq-item.open .faq-icon {
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  background: var(--dark-2);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, rgba(14,165,233,0.15) 0%, rgba(34,211,238,0.1) 100%);
  border-top: 1px solid rgba(14,165,233,0.15);
  border-bottom: 1px solid rgba(14,165,233,0.15);
  padding: 80px 24px;
  text-align: center;
}

/* ===== FOOTER ===== */
footer {
  background: #080e1a;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 60px 24px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p { color: var(--text-muted); font-size: 13px; }

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

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

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(14,165,233,0.12) 0%, transparent 70%), var(--dark);
}

/* ===== HELP PAGE ===== */
.help-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

.help-nav {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 20px;
  position: sticky;
  top: 90px;
}

.help-nav-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding: 0 8px;
}

.help-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.help-nav ul li a {
  display: block;
  padding: 9px 10px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.2s;
}

.help-nav ul li a:hover, .help-nav ul li a.active {
  color: var(--accent);
  background: rgba(14,165,233,0.08);
}

.help-content { display: flex; flex-direction: column; gap: 40px; }

.help-section {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 36px;
}

.help-section h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.help-section h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: rgba(255,255,255,0.9);
}

.help-section p, .help-section li {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.help-section ul, .help-section ol {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-list { list-style: none; padding-left: 0 !important; }

.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.step-num {
  width: 28px; height: 28px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.platform-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.platform-tab {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: rgba(255,255,255,0.6);
}

.platform-tab.active {
  background: var(--gradient);
  border-color: transparent;
  color: white;
}

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(14,165,233,0.05);
  border: 1px solid rgba(14,165,233,0.15);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.download-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.download-icon { font-size: 32px; }
.download-name { font-weight: 700; font-size: 15px; }
.download-version { font-size: 12px; color: var(--text-muted); }

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: white;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}

.download-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,165,233,0.3); }

/* ===== ABOUT PAGE ===== */
.about-story {
  background: var(--dark-2);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 60px;
}

.about-story h2 { font-size: 32px; font-weight: 800; letter-spacing: -1px; margin-bottom: 20px; }
.about-story p { color: var(--text-muted); font-size: 16px; line-height: 1.8; margin-bottom: 16px; }

.about-visual {
  background: rgba(14,165,233,0.05);
  border: 1px solid rgba(14,165,233,0.15);
  border-radius: 20px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-metric {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
}

.about-metric-num {
  font-size: 36px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.team-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.team-card:hover { border-color: rgba(14,165,233,0.3); transform: translateY(-4px); }

.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--gradient);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 900;
}

.team-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 12px; }
.team-bio { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  transition: all 0.3s;
}

.contact-card:hover { border-color: rgba(14,165,233,0.3); }
.contact-card-icon { font-size: 40px; margin-bottom: 16px; }
.contact-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { color: var(--text-muted); font-size: 14px; }
.contact-card a { color: var(--accent); text-decoration: none; }

/* ===== BADGES / TRUST ===== */
.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 20px;
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.trust-item span:first-child { font-size: 18px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: rgba(15,23,42,0.98);
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 999;
  }
  
  .footer-grid { grid-template-columns: 1fr 1fr; }
  
  .about-story { grid-template-columns: 1fr; }
  
  .help-grid { grid-template-columns: 1fr; }
  .help-nav { display: none; }
  
  .hero-stats { gap: 28px; }
  
  .nodes-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ===== UTILITY ===== */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }

.tag {
  display: inline-block;
  background: rgba(14,165,233,0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}

.highlight { color: var(--accent); }

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}