:root {
  /* ── Palette ── */
  --bg-primary: #0A0E13;
  --bg-surface: #0D1117;
  --bg-raised: #131920;
  --bg-subtle: #1A222B;
  --border: #1E2832;
  --border-hover: #2A3642;
  --text-primary: #E8ECF0;
  --text-secondary: #8899AA;
  --text-muted: #5C6B7A;
  --accent: #00C896;
  --accent-hover: #00E0A8;
  --accent-muted: rgba(0, 200, 150, 0.12);
  --white: #FFFFFF;
  --red-subtle: #F85149;

  /* ── Typography ── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* ── Spacing ── */
  --section-pad: 120px;
  --container: 1120px;

  /* ── Transitions ── */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::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: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

/* ── Container ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ══════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 19, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--white);
}

.nav-brand svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}

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

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

/* ══════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════ */

.hero {
  padding: 160px 0 var(--section-pad);
  text-align: center;
  position: relative;
}

.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-overline::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 780px;
  margin: 0 auto 24px;
}

.hero h1 span {
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 80px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-raised);
}

/* Hero product visual */
.hero-visual {
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.hero-visual img {
  width: 100%;
  display: block;
}

/* Terminal-style placeholder if no image */
.hero-mockup {
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.hero-mockup .mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.hero-mockup .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-subtle);
}

/* ══════════════════════════════════════════════════
   LOGO BAR
   ══════════════════════════════════════════════════ */

.logo-bar {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.logo-bar p {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.logo-bar-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logo-bar-items span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  opacity: 0.6;
}

/* ══════════════════════════════════════════════════
   FEATURES
   ══════════════════════════════════════════════════ */

.features {
  padding: var(--section-pad) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.feature-card {
  padding: 40px 32px;
  background: var(--bg-surface);
  transition: background 0.3s var(--ease);
}

.feature-card:hover {
  background: var(--bg-raised);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-muted);
  border-radius: 6px;
  margin-bottom: 20px;
  color: var(--accent);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════════
   HOW IT WORKS
   ══════════════════════════════════════════════════ */

.how-it-works {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

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

.step {
  counter-increment: step;
  position: relative;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 800;
  color: var(--bg-subtle);
  line-height: 1;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.step p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  right: -24px;
  width: 48px;
  height: 1px;
  background: var(--border);
}

/* ══════════════════════════════════════════════════
   PRODUCT SHOWCASE
   ══════════════════════════════════════════════════ */

.showcase {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 96px;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-row.reverse {
  direction: rtl;
}

.showcase-row.reverse > * {
  direction: ltr;
}

.showcase-text h3 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.showcase-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.showcase-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.showcase-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.showcase-visual {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-surface);
}

.showcase-visual-inner {
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

/* ══════════════════════════════════════════════════
   PRICING
   ══════════════════════════════════════════════════ */

.pricing {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.pricing-card {
  padding: 40px 32px;
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  background: var(--bg-raised);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: 0;
  right: 24px;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 0 0 4px 4px;
}

.pricing-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.pricing-card .pricing-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.pricing-amount .currency {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-amount .value {
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-amount .period {
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-vat {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-features li svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
  justify-content: center;
}

/* Single-card pricing layout */
.pricing-grid--single {
  grid-template-columns: 1fr;
  max-width: 440px;
  margin: 0 auto;
}

/* Pricing example costs */
.pricing-examples {
  text-align: center;
  margin-top: 64px;
}

.pricing-examples-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pricing-example {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-example-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.pricing-example-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

/* ══════════════════════════════════════════════════
   TESTIMONIAL / QUOTE
   ══════════════════════════════════════════════════ */

.testimonial-section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.testimonial {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.testimonial blockquote {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  font-style: normal;
}

.testimonial blockquote::before {
  content: '\201C';
  font-size: 48px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
  line-height: 1;
}

.testimonial-author {
  font-size: 14px;
  color: var(--text-muted);
}

.testimonial-author strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ══════════════════════════════════════════════════
   FAQ
   ══════════════════════════════════════════════════ */

.faq {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.faq-grid {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color 0.2s var(--ease);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}

.faq-item.open .faq-question svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease), padding 0.35s var(--ease);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════
   CTA
   ══════════════════════════════════════════════════ */

.cta-section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.cta-inner {
  text-align: center;
  padding: 80px 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
}

.cta-inner h2 {
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 32px;
}

.cta-inner .hero-actions {
  margin-bottom: 0;
}

/* ══════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════ */

.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-brand svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

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

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}

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

.footer-legal {
  width: 100%;
  text-align: center;
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */

@media (max-width: 900px) {
  :root {
    --section-pad: 80px;
  }

  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

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

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

  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .showcase-row,
  .showcase-row.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  :root {
    --section-pad: 64px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero h1 {
    font-size: 32px;
  }

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

  .feature-card {
    padding: 28px 24px;
  }

  .pricing-card {
    padding: 28px 24px;
  }

  .cta-inner {
    padding: 48px 24px;
  }

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

  .footer-links {
    justify-content: center;
  }
}

/* ── Animations ── */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
}