/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
  --color-bg: #f7f8f5;
  --color-text: #17201b;
  --color-muted: #5f6b63;
  --color-subtle: #7c877f;
  --color-surface: #ffffff;
  --color-surface-soft: #eef2ee;
  --color-border: #dce4dc;
  --color-primary: #176b4d;
  --color-primary-hover: #11543d;
  --color-secondary: #24473a;
  --color-accent: #d7efe3;
  --color-warning: #8a5b17;
  --shadow-card: 0 18px 50px rgba(23, 32, 27, 0.1);
  --radius-sm: 8px;
  --container-max: 1180px;
  --space-section: 96px;
}

/* ==========================================================================
   Base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

p {
  margin: 0;
  color: var(--color-muted);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 5.75rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: 1.1rem;
}

:focus-visible {
  outline: 3px solid rgba(23, 107, 77, 0.45);
  outline-offset: 3px;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: min(var(--container-max), calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 840px;
}

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

.section-muted {
  background: var(--color-surface-soft);
}

.hero {
  padding-top: 82px;
}

.hero-grid,
.split-grid,
.preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  align-items: center;
  gap: 56px;
}

.preview-grid {
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
}

.prose-stack,
.hero-copy,
.section-heading {
  display: grid;
  gap: 20px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 40px;
}

.card-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.benefits-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.benefits-grid .card {
  grid-column: span 2;
}

.benefits-grid .card-wide {
  grid-column: span 4;
}

/* ==========================================================================
   Components
   ========================================================================== */

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--color-text);
  border-radius: var(--radius-sm);
  color: #ffffff;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 248, 245, 0.9);
  border-bottom: 1px solid rgba(220, 228, 220, 0.8);
  backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(var(--container-max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(23, 107, 77, 0.2);
}

.button-primary:hover {
  background: var(--color-primary-hover);
}

.button-secondary {
  background: transparent;
  border-color: rgba(36, 71, 58, 0.35);
  color: var(--color-secondary);
}

.button-secondary:hover {
  background: rgba(215, 239, 227, 0.4);
  border-color: var(--color-secondary);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.eyebrow {
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-subhead {
  max-width: 670px;
  font-size: 1.2rem;
}

.microcopy,
.caption {
  color: var(--color-subtle);
  font-size: 0.92rem;
}

.hero-visual,
.asset-card,
.product-frame {
  margin: 0;
  padding: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.hero-visual img,
.asset-card img,
.product-frame img {
  width: 100%;
  border-radius: calc(var(--radius-sm) - 2px);
}

.card,
.pricing-card,
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.card {
  min-height: 210px;
  padding: 26px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.label {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-card {
  min-height: 280px;
  padding: 30px;
  display: grid;
  align-content: start;
  gap: 16px;
}

.pricing-card.featured {
  border-color: rgba(23, 107, 77, 0.45);
  box-shadow: var(--shadow-card);
}

.price {
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 800;
}

.pricing-note {
  margin-top: 24px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff8ec;
  border: 1px solid rgba(138, 91, 23, 0.2);
  border-radius: var(--radius-sm);
}

.pricing-note p {
  color: var(--color-warning);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.faq-item {
  padding: 24px;
  display: grid;
  gap: 10px;
}

.final-cta {
  padding-bottom: 72px;
}

.final-panel {
  padding: 64px;
  display: grid;
  justify-items: start;
  gap: 20px;
  background: var(--color-text);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.final-panel h2,
.final-panel p {
  max-width: 760px;
  color: #ffffff;
}

.final-panel .eyebrow {
  color: var(--color-accent);
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

.footer-inner p {
  max-width: 560px;
  font-size: 0.9rem;
  text-align: right;
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .split-grid,
  .preview-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .pricing-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .benefits-grid .card,
  .benefits-grid .card-wide {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  :root {
    --space-section: 68px;
  }

  .container,
  .nav-shell {
    width: min(100% - 28px, var(--container-max));
  }

  .hero {
    padding-top: 56px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .nav-shell {
    min-height: 68px;
  }

  .nav-cta {
    display: none;
  }

  .button-row,
  .pricing-note,
  .footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .final-panel {
    padding: 38px 24px;
  }

  .footer-inner {
    align-items: flex-start;
  }

  .footer-inner p {
    text-align: left;
  }
}