@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --text-primary: #eef3f8;
  --text-secondary: rgba(238, 243, 248, 0.78);
  --text-muted: rgba(238, 243, 248, 0.58);
  --surface-page: #090c11;
  --surface-panel: rgba(15, 20, 26, 0.9);
  --surface-panel-strong: rgba(18, 24, 32, 0.96);
  --surface-soft: rgba(255, 255, 255, 0.045);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --border-subtle: rgba(184, 201, 221, 0.12);
  --border-strong: rgba(184, 201, 221, 0.2);
  --border-accent: rgba(122, 182, 255, 0.32);
  --accent-primary: #7ab6ff;
  --accent-primary-strong: #4c96f3;
  --accent-primary-soft: rgba(122, 182, 255, 0.16);
  --accent-primary-ink: #09121d;
  --accent-success: #8bd6a2;
  --accent-success-soft: rgba(139, 214, 162, 0.14);
  --accent-commerce: #f0b15c;
  --accent-commerce-strong: #dc8b31;
  --accent-commerce-soft: rgba(240, 177, 92, 0.14);
  --shadow-elevated: 0 24px 80px rgba(0, 0, 0, 0.34);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* Skip-to-content link */
.skip-to-content {
  position: absolute;
  left: -9999px;
  top: 4px;
  z-index: 200;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
  color: var(--accent-primary-ink);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 6px;
  text-decoration: none;
}

.skip-to-content:focus {
  left: 12px;
}

body {
  color: var(--text-primary);
  background:
    radial-gradient(circle at top left, rgba(122, 182, 255, 0.2), transparent 30%),
    radial-gradient(circle at bottom right, rgba(240, 177, 92, 0.09), transparent 28%),
    linear-gradient(180deg, #0f141b 0%, var(--surface-page) 100%);
  background-attachment: fixed;
  font-family: "Inter", "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

a:hover {
  color: #a8d0ff;
}

img {
  max-width: 100%;
  height: auto;
}

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

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
  color: var(--accent-primary-ink);
  box-shadow: 0 2px 16px rgba(122, 182, 255, 0.26);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #93c5ff, #5da1f5);
  color: var(--accent-primary-ink);
  box-shadow: 0 4px 22px rgba(122, 182, 255, 0.36);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--surface-hover);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 1.05rem;
}

.btn-block {
  display: block;
  width: 100%;
  padding: 14px 16px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(9, 12, 17, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1rem;
}

.nav-brand:hover {
  color: var(--text-primary);
}

.nav-icon {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
  color: var(--accent-primary-ink) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.nav-cta:hover {
  color: var(--accent-primary-ink) !important;
  box-shadow: 0 2px 14px rgba(122, 182, 255, 0.3);
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero-inner {
  max-width: 680px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-platform {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Features ===== */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  border-color: var(--border-accent);
  background: var(--surface-panel-strong);
}

.feature-icon {
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.feature-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--accent-success-soft);
  color: var(--accent-success);
}

.feature-badge-pro {
  background: var(--accent-commerce-soft);
  color: var(--accent-commerce);
}

.feature-badge-upcoming {
  background: rgba(255, 210, 127, 0.12);
  color: #ffd27f;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.step {
  text-align: center;
  padding: 20px 12px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
  color: var(--accent-primary-ink);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--surface-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
}

.pricing-card-featured {
  border-color: rgba(240, 177, 92, 0.4);
  background: var(--surface-panel-strong);
  box-shadow: 0 0 40px rgba(240, 177, 92, 0.08);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-commerce), var(--accent-commerce-strong));
  color: #1a1515;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  margin-bottom: 20px;
}

.pricing-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.pricing-currency {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.pricing-savings {
  font-size: 0.8rem;
  color: var(--accent-success);
  text-align: center;
  margin-bottom: 16px;
  font-weight: 600;
}

.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 24px;
}

.pricing-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 7px 0;
  border-bottom: 1px solid var(--border-subtle);
  padding-left: 20px;
  position: relative;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-success);
  font-weight: 700;
  font-size: 0.8rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* ===== FAQ ===== */
.faq {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-list {
  max-width: 680px;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item summary {
  padding: 18px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-bottom: 18px;
  padding-right: 32px;
}

/* ===== Download ===== */
.download {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.download-inner {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.download-inner .section-subtitle {
  margin-left: auto;
  margin-right: auto;
  max-width: 420px;
}

.download-meta {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
}

.footer-icon {
  color: var(--accent-primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Checkout Result ===== */
.checkout-page {
  min-height: 100vh;
}

.checkout-result {
  min-height: calc(100vh - 97px);
  display: flex;
  align-items: center;
  padding: 120px 0 64px;
}

.checkout-result-inner {
  width: 100%;
}

.checkout-result-card {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 44px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(18, 24, 32, 0.96), rgba(9, 12, 17, 0.95)),
    radial-gradient(circle at top right, rgba(122, 182, 255, 0.16), transparent 35%);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-elevated);
}

.checkout-result-card-success {
  border-color: rgba(139, 214, 162, 0.26);
}

.checkout-title {
  font-size: 2.7rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.checkout-copy {
  max-width: 610px;
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 28px;
}

.checkout-next-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 30px;
}

.checkout-step-card {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--border-subtle);
}

.checkout-step-number {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-strong));
  color: var(--accent-primary-ink);
  font-size: 0.88rem;
  font-weight: 800;
}

.checkout-step-card h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.checkout-step-card p {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.checkout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    justify-self: center;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-grid .pricing-card:last-child {
    max-width: none;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .checkout-result {
    padding: 112px 0 48px;
  }

  .checkout-result-card {
    padding: 30px 24px;
    border-radius: 18px;
  }

  .checkout-title {
    font-size: 2.1rem;
  }

  .checkout-next-steps {
    grid-template-columns: 1fr;
  }

  .checkout-actions .btn {
    width: 100%;
  }
}