/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: #000;
  color: #fff;
  line-height: 1.6;
}

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

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

/* ===== Utility ===== */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: #aaa;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: #fff;
  color: #000;
}

.btn-primary:hover {
  background: #e0e0e0;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

.btn-large {
  font-size: 16px;
  padding: 14px 36px;
  border-radius: 10px;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: #aaa;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 18px;
  color: #999;
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Section shared ===== */
section {
  padding: 120px 0;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #666;
  margin-bottom: 16px;
}

.section-heading {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-subtext {
  font-size: 17px;
  color: #888;
  max-width: 560px;
  line-height: 1.7;
}

/* ===== Features ===== */
.features {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.features-header {
  text-align: center;
  margin-bottom: 72px;
}

.features-header .section-subtext {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 32px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 20px;
  font-size: 22px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: #888;
  line-height: 1.7;
}

/* ===== How It Works ===== */
.how-it-works {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.how-it-works-header {
  text-align: center;
  margin-bottom: 72px;
}

.how-it-works-header .section-subtext {
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}

.step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  margin-bottom: 24px;
  color: #fff;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  font-size: 14px;
  color: #888;
  line-height: 1.7;
  max-width: 280px;
  margin: 0 auto;
}

/* ===== Pricing ===== */
.pricing {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-header {
  text-align: center;
  margin-bottom: 72px;
}

.pricing-header .section-subtext {
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  padding: 36px 28px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.pricing-plan-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.pricing-period {
  font-size: 13px;
  color: #666;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-features li {
  font-size: 14px;
  color: #aaa;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: "—";
  color: #555;
}

.pricing-card .btn {
  width: 100%;
}

/* ===== CTA ===== */
.cta {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.cta .section-heading {
  margin-bottom: 16px;
}

.cta .section-subtext {
  margin: 0 auto 40px;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 48px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-size: 16px;
  font-weight: 700;
}

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

.footer-links a {
  font-size: 13px;
  color: #666;
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 13px;
  color: #444;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .features-grid,
  .steps,
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  section {
    padding: 80px 0;
  }

  .hero {
    padding: 100px 24px 60px;
    min-height: auto;
  }

  .hero p {
    font-size: 16px;
  }

  .footer .container {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .step p {
    max-width: 100%;
  }
}