/* Autonom Collect — production static styles
   Mobile-first, accessible, calm SaaS aesthetic */

:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-ink: #1a1d26;
  --color-ink-muted: #5c6478;
  --color-ink-soft: #8b93a7;
  --color-border: #e2e5ec;
  --color-border-strong: #c8ced9;
  --color-primary: #1e4d8c;
  --color-primary-hover: #163a6b;
  --color-primary-soft: #e8f0fa;
  --color-accent: #2a7a5c;
  --color-accent-soft: #e6f4ee;
  --color-warning-soft: #faf3e6;
  --color-error: #b42318;
  --color-error-soft: #fef3f2;
  --color-success: #067647;
  --color-success-soft: #ecfdf3;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(26, 29, 38, 0.05);
  --shadow-md: 0 4px 12px rgba(26, 29, 38, 0.06), 0 1px 3px rgba(26, 29, 38, 0.04);
  --shadow-lg: 0 12px 40px rgba(26, 29, 38, 0.08), 0 4px 12px rgba(26, 29, 38, 0.04);
  --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;
  --max-width: 1120px;
  --header-h: 64px;
  --focus-ring: 0 0 0 3px rgba(30, 77, 140, 0.35);
  --transition: 160ms ease;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  box-shadow: var(--focus-ring);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(247, 248, 250, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--color-ink);
}

.logo-mark {
  display: block;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-primary);
  border-radius: 8px;
}

.logo-wordmark {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-nav .logo-wordmark {
  font-size: 1.0625rem;
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  margin-right: var(--space-3);
}

.nav a {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav a:hover {
  color: var(--color-ink);
  background: rgba(26, 29, 38, 0.04);
}

.header-cta {
  display: none;
  flex-shrink: 0;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-ink);
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4) var(--space-5);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav[hidden] {
  display: none !important;
}

.mobile-nav a:not(.btn) {
  display: block;
  padding: 0.875rem 0.25rem;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav a:not(.btn):last-of-type {
  border-bottom: none;
}

.mobile-nav-cta {
  margin-top: var(--space-3);
}

@media (min-width: 768px) {
  .nav,
  .header-cta {
    display: flex;
  }
  .nav-toggle,
  .mobile-nav,
  .mobile-nav.is-open {
    display: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:focus-visible {
  box-shadow: var(--focus-ring);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

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

.btn-secondary:hover {
  background: var(--color-bg);
  color: var(--color-ink);
  border-color: var(--color-ink-soft);
}

.btn-lg {
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Hero */
.hero {
  padding: var(--space-7) 0 var(--space-8);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-8) 0 var(--space-9);
  }
}

.hero-grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-8);
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 999px;
  margin: 0 0 var(--space-4);
  letter-spacing: 0.01em;
}

.hero h1 {
  margin: 0 0 var(--space-4);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--color-ink);
}

.hero-lead {
  margin: 0 0 var(--space-6);
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--color-ink-muted);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero-note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
  max-width: 36em;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
  overflow: hidden;
}

.hero-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-4);
}

.sequence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sequence-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.sequence-day {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
}

.sequence-item.firmer .sequence-day {
  background: var(--color-warning-soft);
  color: #8a5a00;
}

.sequence-item.paid .sequence-day {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.sequence-body strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.sequence-body span {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  line-height: 1.45;
}

/* Sections */
.section {
  padding: var(--space-8) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-9) 0;
  }
}

.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section-header {
  max-width: 40rem;
  margin-bottom: var(--space-7);
}

.section-header.centered {
  text-align: center;
  margin-inline: auto;
}

.section-header h2 {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.section-header p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 1.0625rem;
  line-height: 1.55;
}

/* Problem */
.problem-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.section-alt .problem-card {
  background: var(--color-bg);
}

.problem-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.problem-icon svg {
  width: 20px;
  height: 20px;
}

.problem-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.problem-card p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

/* How it works */
.steps {
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

.step {
  position: relative;
  padding-top: var(--space-2);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
}

.step h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.step p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

/* Pricing */
.pricing-grid {
  display: grid;
  gap: var(--space-4);
  align-items: stretch;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.section-alt .price-card {
  background: var(--color-bg);
}

.section-alt .price-card.featured {
  background: var(--color-surface);
}

.price-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  position: relative;
}

.price-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.price-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.125rem;
}

.price-amount {
  margin: 0 0 var(--space-2);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}

.price-desc {
  margin: 0 0 var(--space-5);
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  flex-grow: 1;
}

.price-features {
  list-style: none;
  margin: 0 0 var(--space-5);
  padding: 0;
}

.price-features li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-2);
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.45;
}

.price-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 14px;
  height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.5 8.5L6.5 11.5L12.5 4.5' stroke='%232a7a5c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* FAQ */
.faq-list {
  max-width: 42rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-ink-soft);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:focus-visible {
  box-shadow: inset var(--focus-ring);
}

.faq-body {
  padding: 0 var(--space-5) var(--space-4);
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.faq-body p {
  margin: 0;
}

/* Waitlist */
.waitlist {
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
}

.waitlist-card {
  max-width: 34rem;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

@media (min-width: 480px) {
  .waitlist-card {
    padding: var(--space-7) var(--space-6);
  }
}

.waitlist-card h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  text-align: center;
}

.waitlist-card > p {
  margin: 0 0 var(--space-5);
  text-align: center;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.form-group label .hint {
  display: inline;
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-ink-soft);
}

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

@media (min-width: 480px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

input[type="text"],
input[type="email"],
input[type="number"],
select {
  width: 100%;
  padding: 0.7rem 0.875rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

input::placeholder {
  color: var(--color-ink-soft);
}

input:hover,
select:hover {
  border-color: var(--color-ink-soft);
}

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

input[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-soft);
}

.field-error {
  display: none;
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  color: var(--color-error);
}

.field-error.is-visible {
  display: block;
}

.form-status {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
}

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

.form-status.success {
  background: var(--color-success-soft);
  color: var(--color-success);
  border: 1px solid #abefc6;
}

.form-status.error {
  background: var(--color-error-soft);
  color: var(--color-error);
  border: 1px solid #fecdca;
}

.form-footer-note {
  margin: var(--space-4) 0 0;
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
  text-align: center;
  line-height: 1.5;
}

/* Footer */
.site-footer {
  padding: var(--space-7) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-brand {
  max-width: 22rem;
}

.footer-brand .logo {
  margin-bottom: var(--space-3);
}

.footer-brand p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-content: flex-start;
}

.footer-links a {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

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

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  justify-content: space-between;
}

/* Legal pages */
.legal-page {
  padding: var(--space-7) 0 var(--space-9);
}

.legal-page article {
  max-width: 42rem;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.legal-page h1 {
  margin: 0 0 var(--space-2);
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.legal-meta {
  margin: 0 0 var(--space-6);
  font-size: 0.875rem;
  color: var(--color-ink-soft);
}

.legal-page h2 {
  margin: var(--space-6) 0 var(--space-3);
  font-size: 1.125rem;
}

.legal-page p,
.legal-page li {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.legal-page ul {
  padding-left: 1.25rem;
}

.legal-page p {
  margin: 0 0 var(--space-3);
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}