:root {
  --bg: #070b17;
  --bg-alt: #0e1426;
  --panel: #121a30;
  --text: #e7edf7;
  --muted: #b9c3d9;
  --accent: #2dd4bf;
  --accent-warm: #f59e0b;
  --border: rgba(231, 237, 247, 0.08);
  --shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.08), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(245, 158, 11, 0.08), transparent 30%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
  margin: 0 0 0.5rem;
  color: #f5f7fb;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(7, 11, 23, 0.7);
  border-bottom: none;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  text-decoration: none;
}

.brand-logo {
  width: 156px;
  height: 156px;
  border-radius: 24px;
  object-fit: contain;
  background: transparent;
  border: none;
}

.brand-mark {
  width: 156px;
  height: 156px;
  border-radius: 28px;
  background: linear-gradient(140deg, var(--accent), var(--accent-warm));
  box-shadow: 0 10px 25px rgba(45, 212, 191, 0.35);
  display: none;
}

.brand-logo[src=""], .brand-logo:not([src]) {
  display: none;
}

.brand-logo[src=""] + .brand-mark,
.brand-logo:not([src]) + .brand-mark {
  display: block;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  color: #0a0f1c;
  box-shadow: 0 18px 45px rgba(45, 212, 191, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(45, 212, 191, 0.45);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 3vw + 1rem, 3.4rem);
  line-height: 1.15;
}

.hero-copy .lede {
  font-size: 1.05rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin: 1.4rem 0;
  flex-wrap: wrap;
}

.hero-points {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 1rem;
}

.glow {
  position: absolute;
  inset: -20% 10% auto auto;
  height: 50%;
  width: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.2) 0%, rgba(7, 11, 23, 0) 65%);
  filter: blur(8px);
  z-index: 0;
}

.card {
  position: relative;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
  z-index: 1;
}

.card-label {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.card ul {
  padding-left: 1rem;
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.card li {
  margin-bottom: 0.4rem;
}

.card.highlight {
  border-color: rgba(45, 212, 191, 0.25);
  background: linear-gradient(160deg, rgba(45, 212, 191, 0.1), rgba(7, 11, 23, 0.4));
}

.card.stack {
  margin-left: 1.2rem;
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-sub {
  max-width: 580px;
  margin: 0.5rem auto 0;
}

.list-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.mini-card {
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.card-list li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.6rem;
  color: var(--muted);
}

.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
}

.impact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.impact-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.metric {
  display: inline-flex;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.accordion {
  display: grid;
  gap: 0.8rem;
}

.accordion details {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.8rem 1rem;
}

.accordion summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}

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

.summary-title {
  color: var(--text);
}

.accordion details p {
  margin: 0.6rem 0 0.2rem;
}

.step {
  display: flex;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  display: grid;
  place-items: center;
  color: #0a0f1c;
  font-weight: 800;
}

.cta {
  background: radial-gradient(circle at 20% 50%, rgba(45, 212, 191, 0.12), transparent 45%),
              radial-gradient(circle at 90% 20%, rgba(245, 158, 11, 0.12), transparent 40%),
              #0a0f1c;
  border-top: 1px solid var(--border);
}

.cta-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
  align-items: center;
}

.cta-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.footer {
  padding: 1.5rem 0 2rem;
  background: #060913;
  border-top: 1px solid var(--border);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-text {
  color: var(--muted);
  margin: 0.4rem 0 0;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  color: var(--muted);
}

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

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

  .btn {
    width: 100%;
  }

  .site-header .btn {
    display: none;
  }

  .hero {
    padding-top: 2.8rem;
  }
}