:root {
  --primary: #007AFF;
  --primary-dark: #0059c7;
  --primary-soft: #E6F1FF;
  --ink: #0f172a;
  --muted: #5b6b8a;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

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

body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  margin-right: 16px;
}

.lang-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.lang-select {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.2rem;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-menu a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-menu a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-lang {
  display: none;
  align-items: center;
  gap: 10px;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 999px;
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  line-height: 1.05;
  margin-bottom: 18px;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 30px rgba(0, 122, 255, 0.35);
}

.btn.primary:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
}

.btn.ghost {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}

.btn.ghost:hover {
  transform: translateY(-2px);
  background: var(--primary-soft);
}

.hero-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-weight: 600;
  color: var(--muted);
}

.hero-card {
  background: var(--surface);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  background: var(--primary-soft);
  font-weight: 700;
}

.card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

.card-title {
  margin-left: auto;
  color: var(--primary-dark);
  font-size: 0.8rem;
}

.card-body {
  padding: 24px;
}

.node-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.node {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
}

.node.event {
  background: #ff6b6b;
}

.node.org {
  background: #7c4dff;
}

.node-label {
  font-weight: 600;
  color: var(--ink);
}

.card-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.2), transparent 70%);
  top: -120px;
  right: -80px;
  z-index: -1;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--muted);
}

.trust,
.how,
.privacy,
.faq,
.contact {
  padding: 80px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature {
  background: var(--surface);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.feature h3 {
  margin-bottom: 8px;
}

.feature p {
  color: var(--muted);
}

.steps {
  display: grid;
  gap: 24px;
  margin-bottom: 32px;
}

.step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(120deg, rgba(0, 122, 255, 0.08), rgba(0, 122, 255, 0.2));
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: center;
}

.privacy-list {
  margin: 20px 0;
  padding-left: 18px;
  color: var(--muted);
}

.privacy-card {
  background: var(--ink);
  color: #fff;
  padding: 28px;
  border-radius: 20px;
}

.privacy-card p {
  color: rgba(255, 255, 255, 0.7);
}

.code-block {
  margin-top: 16px;
  display: grid;
  gap: 8px;
  font-size: 0.85rem;
  color: #c7d2fe;
}

.text-link {
  color: var(--primary);
  font-weight: 700;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.faq-item {
  background: var(--surface);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: 24px;
  background: var(--primary);
  color: #fff;
}

.contact-card .btn.primary {
  background: #fff;
  color: var(--primary);
  box-shadow: none;
}

.footer {
  background: #0b1324;
  color: #fff;
  padding: 48px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 24px;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
}

.footer a:hover {
  color: #fff;
}

.footer ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.privacy-policy {
  padding: 120px 0 80px;
}

.privacy-policy h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 18px;
}

.policy-content h2 {
  margin: 28px 0 10px;
}

.policy-content p,
.policy-content li {
  color: var(--muted);
}

.policy-list {
  padding-left: 18px;
  margin-top: 12px;
}

.breadcrumbs {
  color: var(--muted);
  margin-bottom: 18px;
}

@media (max-width: 960px) {
  .hero-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .faq-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .cta-strip,
  .contact-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .nav-actions {
    display: none;
  }

  .nav-menu {
    position: absolute;
    right: 4%;
    top: 72px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    display: none;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-lang {
    display: flex;
  }
}