:root,
[data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.28vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.45rem);
  --text-xl: clamp(1.7rem, 1.25rem + 1.8vw, 2.7rem);
  --text-2xl: clamp(2.5rem, 1.6rem + 3vw, 4.2rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --color-bg: #f7f6f2;
  --color-surface: #fcfbf8;
  --color-surface-2: #f0ede6;
  --color-text: #1f1d18;
  --color-text-muted: #6e6a61;
  --color-border: rgba(31, 29, 24, 0.12);
  --color-primary: #0b6b73;
  --color-primary-hover: #095861;
  --color-primary-soft: #d8e9ea;
  --color-inverse: #ffffff;

  --shadow-sm: 0 8px 24px rgba(16, 18, 18, 0.06);
  --shadow-md: 0 16px 44px rgba(16, 18, 18, 0.12);

  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.1rem;
  --radius-xl: 1.4rem;

  --content-default: 1160px;
  --font-body: "Inter", Arial, sans-serif;
  --font-display: "Inter", Arial, sans-serif;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #1d1c1a;
  --color-surface-2: #262421;
  --color-text: #f1ede6;
  --color-text-muted: #b3aea5;
  --color-border: rgba(241, 237, 230, 0.12);
  --color-primary: #4f98a3;
  --color-primary-hover: #63aebb;
  --color-primary-soft: #24393c;
  --color-inverse: #ffffff;

  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-inverse);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(calc(100% - 2rem), var(--content-default));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-inner {
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.9rem;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.nav {
  display: none;
  gap: 1.4rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle,
.btn {
  min-height: 44px;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-toggle {
  min-width: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--color-surface-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.15rem;
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 600;
}

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

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

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

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-surface-2);
}

.btn-light {
  background: white;
  color: #0f3136;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.25);
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.eyebrow,
.section-kicker {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-family: var(--font-display);
}

h1 {
  font-size: var(--text-2xl);
  max-width: 11ch;
}

h2 {
  font-size: var(--text-xl);
  max-width: 14ch;
}

h3 {
  font-size: var(--text-lg);
}

.hero-text,
.section-head p,
.card p,
.step-card p,
.price-copy,
.price-card li,
.faq-item p,
.stat-note {
  color: var(--color-text-muted);
}

.hero-text {
  max-width: 58ch;
  margin-top: var(--space-4);
  font-size: var(--text-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.hero-list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  color: var(--color-text-muted);
}

.hero-list li {
  position: relative;
  padding-left: 1.4rem;
}

.hero-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-primary);
  transform: translateY(-50%);
}

.hero-card,
.card,
.step-card,
.price-card,
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.hero-card {
  padding: var(--space-6);
}

.stat-block + .stat-block {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.stat-label {
  margin: 0 0 0.4rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.stat-value {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 1.2rem + 1vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-primary);
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-alt {
  background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--color-surface) 55%, transparent));
}

.section-head {
  max-width: 64ch;
  margin-bottom: var(--space-8);
}

.section-head h2 {
  margin-bottom: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.card,
.step-card,
.price-card {
  padding: var(--space-6);
}

.step-card {
  position: relative;
  padding-top: 4.4rem;
}

.step-no {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
}

.card h3,
.step-card h3,
.price-card h3 {
  margin-bottom: var(--space-3);
}

.price {
  margin: 0.4rem 0 0.8rem;
  font-size: clamp(2rem, 1.5rem + 1vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.price-card ul {
  margin: var(--space-4) 0 0;
  padding-left: 1rem;
}

.price-card li + li {
  margin-top: 0.45rem;
}

.featured {
  position: relative;
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
}

.featured-badge {
  display: inline-flex;
  margin-bottom: var(--space-3);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-panel {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.kicker-light {
  color: rgba(255, 255, 255, 0.72);
}

.cta-panel h2 {
  max-width: 12ch;
}

.cta-panel p {
  max-width: 56ch;
  color: rgba(255, 255, 255, 0.86);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.faq-list {
  display: grid;
  gap: var(--space-4);
}

.faq-item {
  padding: var(--space-5);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-top: var(--space-3);
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (min-width: 860px) {
  .nav {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  }

  .grid.two {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid.three {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-panel {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .cta-actions {
    justify-content: flex-end;
    align-items: center;
  }
}

@media (max-width: 859px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0.85rem 0;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    padding-bottom: 0.2rem;
  }

  .header-actions {
    margin-left: auto;
  }

  h1 {
    max-width: 12ch;
  }

  h2 {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}