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

:root {
  --primary: #6c47ff;
  --primary-dark: #5535d4;
  --primary-light: #ede9ff;
  --text: #0f0f1a;
  --text-muted: #6b7280;
  --surface: #ffffff;
  --surface-2: #f8f7ff;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(108, 71, 255, 0.08);
  --shadow-lg: 0 12px 48px rgba(108, 71, 255, 0.15);
  --font: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s;
}

/* =====================
   BUTTONS
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(108, 71, 255, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

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

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

.btn-ghost:hover {
  background: var(--surface-2);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 10px;
}

/* =====================
   NAVBAR
   ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
}

.logo span {
  color: var(--primary);
}

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

.nav-links a:not(.btn) {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:not(.btn):hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* =====================
   HERO
   ===================== */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(160deg, #fafafe 0%, #ede9ff 60%, #f0f4ff 100%);
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(108, 71, 255, 0.2);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 720px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
}

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

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 16px;
  padding: 20px 40px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat strong {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
}

.stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* =====================
   SECTION HEADER
   ===================== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* =====================
   FEATURES
   ===================== */
.features {
  padding: 96px 0;
  background: var(--surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.25s ease;
  background: var(--surface);
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

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

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =====================
   TESTIMONIALS
   ===================== */
.testimonials {
  padding: 96px 0;
  background: var(--surface-2);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.testimonial-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  font-style: italic;
}

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

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* =====================
   PRICING
   ===================== */
.pricing {
  padding: 96px 0;
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  background: var(--surface);
}

.pricing-featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.plan-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.plan-price {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.plan-price span {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-muted);
}

.plan-price small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.plan-features li {
  font-size: 0.95rem;
  color: var(--text);
}

/* =====================
   FAQ
   ===================== */
.faq {
  padding: 96px 0;
  background: var(--surface-2);
}

.faq-inner {
  max-width: 720px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background 0.2s;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-question:hover {
  background: var(--surface-2);
}

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

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

/* =====================
   CTA FINAL
   ===================== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 100%);
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}

.cta-section .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding: 64px 24px 48px;
  flex-wrap: wrap;
}

.footer .logo {
  color: #fff;
}

.footer-brand p {
  margin-top: 8px;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col strong {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    align-items: flex-start;
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 0 72px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

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

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

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

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