/* ==========================================================================
   Timber Health — Friends & Family Pilot Stylesheet
   Brand Design System v3 Tokens & Component Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Webfonts — Self-hosted Latin Subsets (with Google Fonts fallback)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/fraunces-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../assets/fonts/fraunces-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../assets/fonts/fraunces-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/fraunces-700.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-sans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-sans-500.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-sans-600.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/ibm-plex-sans-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-400italic.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   2. Design Tokens & Variables
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Base Palette — The Five Named Brand Colors */
  --charcoal: #2E2C2A;
  --deep-purple: #4A2E6B;
  --crimson: #D81F2A;
  --white: #FFFFFF;
  --grey: #6E6E6B;

  /* Extended Palette */
  --crimson-press: #A81A22;
  --purple-light: #A78BC9;
  --charcoal-soft: #3A3836;
  --bone: #F6F5F2;
  --bone-deep: #EFEDE8;
  --rule: #E3E1DC;
  --rule-strong: #CBC8C2;
  --grey-mute: #9B9A96;
  --grey-faint: #C9C7C2;

  /* Typography Families */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-ui: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;

  /* Semantic Typography Aliases */
  --text-heading-font: var(--font-display);
  --text-body-font: var(--font-body);
  --text-ui-font: var(--font-ui);

  /* Semantic Color Aliases */
  --text-primary: var(--charcoal);
  --text-secondary: var(--grey);
  --text-muted: var(--grey-mute);
  --text-accent: var(--deep-purple);
  --text-urgent: var(--crimson);
  --text-on-dark: var(--white);
  --text-on-dark-secondary: #A3A29E;

  --surface-base: var(--white);
  --surface-quiet: var(--bone);
  --surface-band: var(--bone-deep);
  --surface-dark: var(--charcoal);
  --surface-dark-raised: var(--charcoal-soft);

  --border-hairline: var(--rule);
  --border-strong: var(--rule-strong);
  --border-dark: #4A4744;

  --action-primary-bg: var(--crimson);
  --action-primary-bg-hover: var(--crimson-press);
  --action-primary-fg: var(--white);
  --action-secondary-fg: var(--charcoal);
  --action-secondary-border: var(--charcoal);
  --action-disabled-bg: var(--bone-deep);
  --action-disabled-fg: var(--grey-faint);

  --accent-rule: var(--crimson);
  --accent-quote: var(--deep-purple);
  --focus-ring: var(--deep-purple);

  /* Sizes & Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-full: 999px;

  --border-width: 1px;
  --border-width-accent: 3px;
  --rule-divider-width: 28px;
  --rule-divider-height: 3px;

  /* Transitions */
  --ease-standard: cubic-bezier(0.2, 0, 0.2, 1);
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-slow: 280ms;
  --transition-base: all var(--duration-base) var(--ease-standard);

  /* Layout */
  --container-max: 1170px;
}

/* --------------------------------------------------------------------------
   3. Base & Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--surface-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--rule-strong);
  transition: color var(--duration-fast) var(--ease-standard),
              text-decoration-color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--crimson);
  text-decoration-color: var(--crimson);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

p {
  margin: 0 0 1em;
  text-wrap: pretty;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

::selection {
  background: var(--purple-light);
  color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   4. Component Utilities
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--deep-purple);
}

.eyebrow--muted {
  color: var(--grey);
}

.eyebrow--light {
  color: var(--purple-light);
}

.section-divider {
  display: block;
  width: var(--rule-divider-width);
  height: var(--rule-divider-height);
  background: var(--crimson);
}

.section-divider--purple {
  background: var(--deep-purple);
}

/* Button Component */
.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  line-height: 1.2;
  transition: background var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard),
              color var(--duration-base) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard);
}

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

.btn--sm {
  font-size: 12px;
  padding: 8px 14px;
}

.btn--md {
  font-size: 14px;
  padding: 12px 22px;
}

.btn--lg {
  font-size: 15px;
  padding: 15px 28px;
}

.btn--primary {
  background: var(--action-primary-bg);
  color: var(--action-primary-fg);
  border-color: transparent;
}

.btn--primary:hover {
  background: var(--action-primary-bg-hover);
  color: var(--action-primary-fg);
  text-decoration: none;
}

.btn--secondary {
  background: transparent;
  color: var(--action-secondary-fg);
  border-color: var(--action-secondary-border);
}

.btn--secondary:hover {
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   5. Page Layout Sections
   -------------------------------------------------------------------------- */
.site-wrapper {
  background: var(--white);
  color: var(--charcoal);
  min-height: 100vh;
}

/* Site Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--white);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 16px;
  flex-wrap: wrap;
}

.header-logo {
  height: 26px;
  width: auto;
  display: block;
}

.header-badge {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

/* Hero Section */
.hero-section {
  padding-top: 88px;
  padding-bottom: 72px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-top: 20px;
  margin-bottom: 0;
  max-width: 820px;
  text-wrap: balance;
}

.hero-description {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.6;
  color: var(--grey);
  margin-top: 24px;
  margin-bottom: 0;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}

/* Key Terms Band */
.key-terms-section {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bone);
}

.key-terms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.term-item {
  padding: 32px 24px 32px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.term-stat {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 44px;
  line-height: 1;
}

.term-stat--crimson {
  color: var(--crimson);
}

.term-stat--charcoal {
  color: var(--charcoal);
}

.term-label {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--grey);
  line-height: 1.45;
}

/* Section 01: How It Works */
.how-it-works-section {
  padding-top: 96px;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-top: 16px;
  margin-bottom: 0;
  max-width: 720px;
}

.steps-list {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}

.step-card {
  padding: 24px 24px 24px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-number {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--deep-purple);
}

.step-title {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--charcoal);
}

.step-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--grey);
  margin: 0;
}

/* Section 02: What You Get */
.what-you-get-section {
  padding-top: 96px;
}

.section-lead-text {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  color: var(--grey);
  margin-top: 16px;
  margin-bottom: 0;
  max-width: 640px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.benefit-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--white);
  transition: border-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}

.benefit-card:hover {
  border-color: var(--rule-strong);
  box-shadow: 0 4px 12px rgba(46, 44, 42, 0.04);
}

.benefit-tag {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.benefit-title {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--charcoal);
}

.benefit-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--grey);
  margin: 0;
}

.programs-footer-bar {
  margin-top: 32px;
  padding: 24px 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.programs-footer-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--charcoal);
  margin: 0;
  max-width: 640px;
}

/* Section 03: What We Ask */
.what-we-ask-section {
  padding-top: 96px;
}

.ask-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px 40px;
  margin-top: 40px;
}

.ask-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ask-title {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  margin-top: 8px;
  color: var(--charcoal);
}

.ask-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--grey);
  margin: 0;
}

/* Section 04: Key Dates */
.key-dates-section {
  padding-top: 96px;
}

.dates-table {
  margin-top: 28px;
  border-top: 1px solid var(--charcoal);
}

.date-row {
  display: grid;
  grid-template-columns: minmax(120px, 200px) minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

.date-col {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
}

.date-detail {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--grey);
}

/* Call to Action Box */
.cta-box-section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.cta-box {
  background: var(--bone);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 48px clamp(24px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  align-items: end;
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-top: 14px;
  margin-bottom: 0;
  text-wrap: balance;
}

.cta-description {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--grey);
  margin-top: 14px;
  margin-bottom: 0;
  max-width: 520px;
}

.cta-action-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.cta-support-text {
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.5;
  color: var(--grey);
}

.cta-support-text a {
  font-weight: 600;
  color: var(--charcoal);
}

/* Fine Print Section */
.fine-print-section {
  padding-top: 0;
  padding-bottom: 64px;
}

.fine-print-inner {
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 820px;
}

.fine-print-text {
  font-family: var(--font-ui);
  font-size: 12px;
  line-height: 1.6;
  color: var(--grey);
  margin: 0;
}

/* Site Footer */
.site-footer {
  background: var(--charcoal);
  color: var(--white);
}

.footer-inner {
  padding-top: 40px;
  padding-bottom: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  height: 24px;
  width: auto;
  display: block;
}

.footer-legal {
  font-family: var(--font-ui);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-on-dark-secondary);
}

/* --------------------------------------------------------------------------
   6. Responsive Adaptations
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-section {
    padding-top: 56px;
    padding-bottom: 48px;
  }

  .how-it-works-section,
  .what-you-get-section,
  .what-we-ask-section,
  .key-dates-section,
  .cta-box-section {
    padding-top: 64px;
  }

  .cta-box-section {
    padding-bottom: 64px;
  }

  .steps-list {
    grid-template-columns: 1fr;
  }

  .step-card {
    padding: 20px 0;
  }

  .programs-footer-bar {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .date-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .cta-box {
    padding: 32px 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}