:root {
  --bg: #0b0f0d;
  --bg-alt: #101512;
  --card: #141a17;
  --border: #232b27;
  --text: #eef2f0;
  --text-dim: #9aa8a2;
  --accent: #34d399;
  --accent-dim: #1f9d70;
  --accent-hover: #5fe0b3;
  --btn-text: #06140f;
  --header-bg: rgba(11, 15, 13, 0.85);
  --max-width: 1080px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-alt: #f4f6f4;
    --card: #f2f4f2;
    --border: #e2e6e2;
    --text: #12160f;
    --text-dim: #5c655e;
    --accent: #16a34a;
    --accent-dim: #0e7d3a;
    --accent-hover: #128a3e;
    --btn-text: #ffffff;
    --header-bg: rgba(255, 255, 255, 0.85);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.15;
}

.accent {
  color: var(--accent);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
}

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

/* Buttons */
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-text);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-small {
  padding: 9px 16px;
  font-size: 0.88rem;
  flex-shrink: 0;
}

.btn-large {
  padding: 15px 28px;
  font-size: 1rem;
}

/* Sections */
section {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

.final-cta {
  border-bottom: none;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 12px;
}

/* Hero */
.hero {
  padding-top: 96px;
  padding-bottom: 96px;
  background: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(52, 211, 153, 0.14), transparent);
}

.hero-inner {
  text-align: center;
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-sub {
  margin: 24px auto 32px;
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 560px;
}

/* Modules */
.modules h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 28px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.module-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
}

/* Features */
.features h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 28px;
}

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

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.feature-card h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.feature-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* Pricing */
.pricing h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 28px;
  text-align: center;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--accent-dim);
  border-radius: 16px;
  padding: 40px;
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.08), 0 24px 60px -20px rgba(52, 211, 153, 0.2);
}

.price-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.price-amount {
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  font-weight: 800;
  color: var(--accent);
}

.price-unit {
  font-size: 1.05rem;
  color: var(--text-dim);
}

.price-message {
  color: var(--text-dim);
  font-size: 0.98rem;
  max-width: 460px;
  margin: 0 auto 28px;
}

/* Final CTA */
.final-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  text-align: center;
}

.final-sub {
  text-align: center;
  color: var(--text-dim);
  margin: 12px 0 32px;
}

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-dim);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form button {
  margin-top: 8px;
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.contact-direct {
  text-align: center;
  color: var(--text-dim);
  margin-top: 24px;
  font-size: 0.92rem;
}

.contact-direct a {
  color: var(--accent);
  text-decoration: none;
}

/* Footer */
.site-footer {
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-small {
  font-size: 1rem;
}

.footer-inner p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 860px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .module-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .site-nav {
    display: none;
  }
  section {
    padding: 48px 0;
  }
  .hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .pricing-card {
    padding: 28px 20px;
  }
  .price-line {
    flex-direction: column;
    gap: 4px;
  }
}