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

:root {
  --bg: #0A0A0B;
  --surface: #1A1A1C;
  --card: #2A2A2E;
  --border: rgba(255,255,255,0.08);
  --text: #FFFFFF;
  --text-secondary: #A1A1AA;
  --accent: #6366F1;
  --accent-hover: #5855EB;
  --accent-light: #818CF8;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,11,0.88);
  backdrop-filter: blur(12px);
}

nav .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-cta {
  background: var(--accent);
  color: white;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.nav-cta:hover { background: var(--accent-hover); }

/* HERO */
.hero {
  padding: 140px 24px 100px;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero-badge span { color: var(--accent); font-weight: 700; }

h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-sub {
  font-size: clamp(17px, 2.5vw, 20px);
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 10px;
  transition: background 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: background 0.15s, transform 0.1s;
}

.btn-secondary:hover {
  background: var(--card);
  transform: translateY(-1px);
}

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* FEATURES */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 24px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
  text-align: center;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 64px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(99,102,241,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

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

/* HOW IT WORKS */
.how {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 96px 24px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.step p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ABOUT */
.about {
  max-width: 720px;
  margin: 0 auto;
  padding: 96px 24px;
  text-align: center;
}

.about p {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about p strong {
  color: var(--text);
  font-weight: 600;
}

/* CTA SECTION */
.cta-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 96px 24px;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.cta-inner p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

footer .inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

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

@media (max-width: 600px) {
  footer .inner {
    flex-direction: column;
    align-items: flex-start;
  }
}
