:root {
  --bg: #fcfcf9;
  --surface: #ffffff;
  --surface-alt: #f5f4ef;
  --text: #1f2430;
  --muted: #5f6773;
  --line: #e6e2d9;
  --primary: #1f2430;
  --primary-contrast: #ffffff;
  --accent-soft: #ece8dc;
  --success-bg: #edf7ef;
  --success-line: #b8d8bf;
  --error-bg: #fff0ee;
  --error-line: #efc0bb;
  --shadow-soft: 0 16px 40px rgba(31, 36, 48, 0.06);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

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

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.narrow {
  width: min(760px, 100%);
  margin: 0 auto;
}

.form-container {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(252, 252, 249, 0.88);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-alt {
  background: var(--surface-alt);
}

.hero {
  padding-top: clamp(4.5rem, 10vw, 7rem);
}

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

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.08;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.2;
}

p {
  margin: 0;
}

.hero-problems {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-2);
  font-size: clamp(1.1rem, 2.3vw, 1.35rem);
}

.hero-bridge,
.section-intro,
.section-note,
.price-support,
.refund-note,
.form-intro,
.footer-contact,
.footer-copy,
.legal-lead,
.field-help,
.helper-text {
  color: var(--muted);
}

.hero-bridge {
  margin-top: var(--space-5);
  max-width: 38rem;
  font-size: 1.05rem;
}

.hero-actions,
.section-cta,
.form-actions {
  margin-top: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

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

.btn:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 3px rgba(31, 36, 48, 0.12);
}

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

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

.btn-large {
  min-height: 52px;
  padding-inline: 1.4rem;
}

.btn[disabled] {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.what-you-get .narrow,
.how-it-works .narrow,
.faq .narrow,
.pricing .narrow {
  display: grid;
  gap: var(--space-5);
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.6rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--primary);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.step-card,
.pricing-card,
.legal-card,
.form-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.step-card {
  padding: 1.35rem;
  border-radius: 24px;
  display: grid;
  gap: 0.8rem;
}

.step-number {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent-soft);
  font-weight: 700;
}

.pricing-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 28px;
  text-align: center;
}

.price-line {
  margin-top: var(--space-3);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
}

.price-support,
.refund-note {
  margin-top: var(--space-3);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 0;
  font-weight: 600;
}

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

.faq-item p {
  padding: 0 0 1rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-6) 0 var(--space-7);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
}

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

.form-page {
  padding-top: clamp(3.5rem, 8vw, 6rem);
}

.form-copy {
  max-width: 40rem;
  margin-bottom: var(--space-6);
}

.form-panel {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 28px;
}

.plan-form {
  display: grid;
}

.field {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.field-help {
  font-size: 0.92rem;
}

.field-error {
  color: #8b3e33;
  font-size: 0.92rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  background: var(--surface);
  color: var(--text);
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 1rem;
}

legend {
  padding: 0;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.checkbox-grid label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.checkbox-grid input[type="checkbox"] {
  width: 1rem;
  min-height: auto;
  margin: 0.2rem 0 0;
  padding: 0;
}

.form-status {
  margin-top: var(--space-4);
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid transparent;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  background: var(--success-bg);
  border-color: var(--success-line);
}

.form-status.is-error {
  background: var(--error-bg);
  border-color: var(--error-line);
}

.legal-page .section {
  padding-top: clamp(3.5rem, 8vw, 5.5rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.legal-header {
  display: grid;
  gap: var(--space-3);
  max-width: 48rem;
}

.legal-lead {
  font-size: 1.02rem;
}

.legal-grid {
  margin-top: var(--space-6);
  display: grid;
  gap: 1rem;
}

.legal-card {
  padding: 1.35rem;
  border-radius: 22px;
}

.legal-card p + p {
  margin-top: 0.75rem;
}

@media (min-width: 720px) {
  .checkbox-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .container,
  .form-container {
    width: min(100% - 1.25rem, 1120px);
  }

  .topbar-inner {
    min-height: 64px;
  }

  .topbar .btn {
    padding-inline: 1rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.65rem;
  }

  .btn-large,
  .form-actions .btn {
    width: 100%;
  }
}