:root,
[data-theme='light'] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.35rem, 1.4rem + 3vw, 4.6rem);

  --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;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  --color-bg: #f5f0e8;
  --color-surface: #fbf8f1;
  --color-surface-2: #fffdf8;
  --color-surface-offset: #ece3d6;
  --color-surface-dynamic: #dfd1bf;
  --color-divider: #d6c8b7;
  --color-border: #c8b9a5;
  --color-text: #211b14;
  --color-text-muted: #766c5f;
  --color-text-faint: #aea293;
  --color-text-inverse: #fff8ec;
  --color-primary: #0b6f5a;
  --color-primary-hover: #075241;
  --color-primary-active: #053a2f;
  --color-primary-highlight: #d5e5dc;
  --color-accent: #c46c23;
  --color-accent-soft: #f2dfcb;
  --color-warning: #964219;
  --color-error: #a12c44;
  --color-success: #437a22;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px oklch(0.25 0.03 75 / 0.08);
  --shadow-md:
    0 2px 6px oklch(0.25 0.03 75 / 0.08),
    0 14px 34px oklch(0.25 0.03 75 / 0.08);
  --shadow-lg:
    0 4px 14px oklch(0.25 0.03 75 / 0.1),
    0 28px 70px oklch(0.25 0.03 75 / 0.12);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1180px;
}

[data-theme='dark'] {
  --color-bg: #13110e;
  --color-surface: #1c1813;
  --color-surface-2: #241f18;
  --color-surface-offset: #2b251d;
  --color-surface-dynamic: #3a3025;
  --color-divider: #332d25;
  --color-border: #4b4237;
  --color-text: #efe7d7;
  --color-text-muted: #b7aa98;
  --color-text-faint: #766c5e;
  --color-text-inverse: #15120f;
  --color-primary: #73c9ad;
  --color-primary-hover: #93ddc5;
  --color-primary-active: #b7f2df;
  --color-primary-highlight: #20392f;
  --color-accent: #eda765;
  --color-accent-soft: #3f2f22;
  --color-warning: #e18d5c;
  --color-error: #e37a88;
  --color-success: #98c970;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md:
    0 2px 6px oklch(0 0 0 / 0.22),
    0 18px 40px oklch(0 0 0 / 0.3);
  --shadow-lg:
    0 4px 16px oklch(0 0 0 / 0.28),
    0 28px 70px oklch(0 0 0 / 0.42);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #13110e;
    --color-surface: #1c1813;
    --color-surface-2: #241f18;
    --color-surface-offset: #2b251d;
    --color-surface-dynamic: #3a3025;
    --color-divider: #332d25;
    --color-border: #4b4237;
    --color-text: #efe7d7;
    --color-text-muted: #b7aa98;
    --color-text-faint: #766c5e;
    --color-text-inverse: #15120f;
    --color-primary: #73c9ad;
    --color-primary-hover: #93ddc5;
    --color-primary-active: #b7f2df;
    --color-primary-highlight: #20392f;
    --color-accent: #eda765;
    --color-accent-soft: #3f2f22;
    --color-warning: #e18d5c;
    --color-error: #e37a88;
    --color-success: #98c970;
  }
}

body {
  overflow-x: hidden;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.container {
  width: min(100% - clamp(var(--space-4), 6vw, var(--space-12)), var(--content-wide));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.1);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  color: var(--color-primary);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

.nav-links a {
  text-decoration: none;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: oklch(from var(--color-primary) l c h / 0.45);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 750;
  line-height: 1.2;
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.button-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.12);
}

.button-secondary:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.45);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 82% 18%, oklch(from var(--color-accent) l c h / 0.16), transparent 34rem),
    radial-gradient(circle at 18% 82%, oklch(from var(--color-primary) l c h / 0.14), transparent 32rem);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: clamp(var(--space-10), 7vw, var(--space-20));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  padding: var(--space-2) var(--space-3);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.25);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

[data-theme='dark'] .eyebrow {
  color: var(--color-primary-active);
}

.hero-copy {
  display: grid;
  gap: var(--space-6);
}

.hero h1 {
  max-width: 11ch;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.055em;
}

.hero .lead {
  max-width: 58ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.45;
}

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

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.trust-pill::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.simulator-card {
  position: relative;
  display: grid;
  gap: var(--space-6);
  padding: clamp(var(--space-5), 4vw, var(--space-8));
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(145deg, oklch(from var(--color-surface-2) l c h / 0.95), oklch(from var(--color-surface) l c h / 0.98)),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.simulator-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.simulator-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
}

.status-badge {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  white-space: nowrap;
}

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

.field {
  display: grid;
  gap: var(--space-2);
}

.field label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.field input,
.field select {
  min-height: 52px;
  width: 100%;
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
}

.field input:focus,
.field select:focus {
  border-color: var(--color-primary);
}

.result-panel {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--color-surface-offset);
}

.result-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.result-line strong {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
}

.fine-print {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}

.section-tight {
  padding-block: clamp(var(--space-8), 5vw, var(--space-16));
}

.section-header {
  display: grid;
  gap: var(--space-4);
  max-width: 780px;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-12));
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.045em;
}

.section-header p {
  color: var(--color-text-muted);
}

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

.step-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: clamp(var(--space-5), 3vw, var(--space-7));
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.step-card h3,
.benefit-card h3,
.faq-question {
  font-size: var(--text-lg);
  line-height: 1.25;
}

.step-card p,
.benefit-card p,
.faq-answer {
  color: var(--color-text-muted);
}

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

.benefit-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  min-height: 220px;
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.benefit-card.featured {
  background: var(--color-text);
  color: var(--color-bg);
}

.benefit-card.featured p {
  color: oklch(from var(--color-bg) l c h / 0.78);
}

.benefit-kicker {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.featured .benefit-kicker {
  color: var(--color-accent);
}

.notice {
  display: grid;
  gap: var(--space-6);
  padding: clamp(var(--space-6), 5vw, var(--space-10));
  border-radius: var(--radius-2xl);
  background: var(--color-primary-highlight);
}

.notice h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.045em;
}

.notice p {
  color: var(--color-text-muted);
}

.notice-list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
}

.notice-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
}

.notice-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  margin-top: 0.65em;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.faq-grid {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
}

.faq-question {
  display: flex;
  width: 100%;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-weight: 750;
}

.faq-question span:last-child {
  color: var(--color-primary);
  font-size: var(--text-xl);
  line-height: 1;
}

.faq-answer {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
}

.faq-item.is-open .faq-answer {
  display: block;
}

.cta-band {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding: clamp(var(--space-6), 5vw, var(--space-10));
  border-radius: var(--radius-2xl);
  background: var(--color-text);
  color: var(--color-bg);
  box-shadow: var(--shadow-lg);
}

.cta-band h2 {
  max-width: 13ch;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.045em;
}

.cta-band p {
  color: oklch(from var(--color-bg) l c h / 0.76);
}

.cta-band .button-primary {
  background: var(--color-bg);
  color: var(--color-text);
}

.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.1);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links a {
  color: var(--color-text-muted);
}

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

@media (min-width: 720px) {
  .nav-links {
    display: flex;
  }

  .hero-grid,
  .cta-band {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  }

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

  .form-grid .field:last-child {
    grid-column: 1 / -1;
  }

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

  .step-card:first-child {
    grid-column: 1 / -1;
  }

  .benefit-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .benefit-card.featured {
    grid-row: span 2;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(400px, 0.72fr);
  }

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

  .step-card:first-child {
    grid-column: auto;
  }
}

@media (max-width: 460px) {
  .nav {
    min-height: 68px;
  }

  .brand span {
    font-size: var(--text-base);
  }

  .nav-actions .button {
    display: none;
  }

  .hero-actions .button,
  .simulator-card .button {
    width: 100%;
  }
}