:root {
  --green-50: #F0FDF4;
  --green-100: #DCFCE7;
  --green-200: #BBF7D0;
  --green-300: #86EFAC;
  --green-400: #4ADE80;
  --green-500: #22C55E;
  --green-600: #16A34A;
  --green-700: #15803D;
  --green-800: #166534;
  --green-900: #14532D;
  --green-950: #052E16;

  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-width: 1140px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  line-height: 1.6;
  background: #FAFCFA;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 252, 250, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--green-100);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--green-700);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--green-900);
  letter-spacing: -0.5px;
}

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-700);
}

.nav-cta {
  background: var(--green-700);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--green-800);
  transform: translateY(-1px);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-700);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: var(--green-800);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--green-700);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-body);
  border: 1.5px solid var(--green-300);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: var(--green-50);
  border-color: var(--green-400);
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, #FAFCFA 0%, var(--green-50) 100%);
}

.hero-badge {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.15;
  color: var(--green-950);
  max-width: 720px;
  margin: 0 auto 20px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

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

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--green-800);
  padding: 40px 0;
}

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

.stat-item h3 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--green-300);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 13px;
  color: var(--green-200);
  opacity: 0.8;
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 38px);
  color: var(--green-950);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.section-header p {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== FLOW STEPS ===== */
.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.flow-step {
  background: #fff;
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  width: 200px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.08);
}

.flow-step-number {
  width: 36px;
  height: 36px;
  background: var(--green-100);
  color: var(--green-800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  margin: 0 auto 12px;
}

.flow-step h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
}

.flow-arrow {
  color: var(--green-300);
  font-size: 24px;
  margin-top: 40px;
}

/* ===== FEATURE CARDS ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.08);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--green-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ===== PLATFORM LOGOS ===== */
.platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 24px 0;
}

.platform-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-600);
}

.platform-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ===== PRICING ===== */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 48px;
  background: var(--green-100);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.pricing-tab {
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  transition: all var(--transition);
}

.pricing-tab.active {
  background: #fff;
  color: var(--green-800);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 1.5px solid var(--green-100);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(22, 163, 74, 0.1);
}

.pricing-card.featured {
  border-color: var(--green-500);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.1);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green-700);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 4px;
}

.pricing-card .price {
  font-family: var(--font-display);
  font-size: 42px;
  color: var(--green-950);
  margin: 16px 0 4px;
}

.pricing-card .price span {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--gray-400);
  font-weight: 400;
}

.pricing-card .price-note {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin: 24px 0;
}

.pricing-features li {
  font-size: 14px;
  color: var(--gray-600);
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pricing-features li::before {
  content: '';
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: var(--green-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2316A34A'%3E%3Cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2.5-2.5a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--green-950);
  margin-bottom: 16px;
}

.about-content p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-visual {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 48px 32px;
}

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.about-value:last-child { margin-bottom: 0; }

.about-value-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--green-200);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-value h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 4px;
}

.about-value p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--gray-50);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-400);
  background: #fff;
}

.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--green-950);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--green-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-detail h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 2px;
}

.contact-detail p {
  font-size: 13px;
  color: var(--gray-500);
  margin: 0;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--green-800);
  padding: 64px 0;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 16px;
  color: var(--green-200);
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--green-800);
}

.cta-banner .btn-primary:hover {
  background: var(--green-50);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--green-950);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--green-300);
  opacity: 0.7;
  margin-top: 12px;
  line-height: 1.6;
  max-width: 280px;
}

.footer h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--green-200);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: 13px;
  color: var(--green-400);
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer-links a:hover { opacity: 1; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--green-400);
  opacity: 0.5;
}

/* ===== PAGE HEADERS ===== */
.page-header {
  padding: 120px 0 48px;
  text-align: center;
  background: linear-gradient(180deg, #FAFCFA 0%, var(--green-50) 100%);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  color: var(--green-950);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }

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

  .flow-steps { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); margin: 0; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .hero { padding: 110px 0 60px; }
  .section { padding: 56px 0; }
}