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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --border: #1e1e2e;
  --text: #e4e4ed;
  --text-dim: #8888a0;
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --accent: #00cec9;
  --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Utilities ===== */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(108, 92, 231, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(108, 92, 231, 0.25);
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  background: rgba(108, 92, 231, 0.12);
  color: var(--primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 56px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(108, 92, 231, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
}
.btn-ghost:hover { color: var(--text); }

.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 10px 0;
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo-icon { font-size: 1.4rem; }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 24px 0;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Code Window */
.hero-visual {
  max-width: 600px;
  margin: 0 auto;
}

.code-window {
  background: #13131d;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  box-shadow: var(--shadow), 0 0 80px rgba(108, 92, 231, 0.08);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #0e0e16;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.code-title {
  margin-left: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.code-body {
  padding: 20px 24px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-x: auto;
}

.c-green { color: #28c840; }
.c-dim { color: #555570; }
.c-purple { color: var(--primary-light); }
.c-blue { color: var(--accent); }

/* ===== Logos Section ===== */
.logos-section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.logos-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

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

.logo-placeholder {
  font-size: 1.1rem;
  font-weight: 700;
  color: #333348;
  letter-spacing: 1px;
}

/* ===== Features ===== */
.features {
  padding: 100px 0;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: left;
  transition: all 0.3s ease;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 100px 0;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 16px;
}

.step {
  text-align: left;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.step h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing {
  padding: 100px 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: left;
  position: relative;
  transition: transform 0.3s;
}
.pricing-card:hover { transform: translateY(-4px); }

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 40px rgba(108, 92, 231, 0.15);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.price {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
}

.price-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.price-features {
  margin-bottom: 32px;
}
.price-features li {
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(30, 30, 46, 0.6);
}
.price-features li::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 700;
}

/* ===== Testimonials ===== */
.testimonials {
  padding: 100px 0;
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
  transition: transform 0.3s;
}
.testimonial-card:hover { transform: translateY(-4px); }

.testimonial-card p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--text);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}
.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
}

.cta-box h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-box p {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  padding: 64px 0 0;
  border-top: 1px solid var(--border);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 48px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-bottom {
  padding: 24px 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .features-grid,
  .steps,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-container {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-actions.open {
    display: flex;
    position: absolute;
    top: calc(100% + 140px);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(16px);
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border);
  }

  .hero { padding: 130px 0 60px; }
  .hero-cta { flex-direction: column; align-items: center; }
}

@media (min-width: 601px) and (max-width: 900px) {
  .features-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }
}