/* WRL Landing Page Styles */
/* Extends src/design-system.css -- do NOT modify design-system.css */

/* tva */

/* ===================================================================
   1. Landing-specific tokens
   =================================================================== */

:root {
  /* Extended type scale for hero/section headings */
  --text-3xl: clamp(1.75rem, 4vw, 2.25rem);
  --text-hero: clamp(2.5rem, 6vw, 3.5rem);

  /* Extended spacing scale */
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1120px;
  --header-height: 68px;
  --section-pad-v: var(--space-16);
}

/* ===================================================================
   2. Smooth scrolling (respects prefers-reduced-motion)
   =================================================================== */

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ===================================================================
   3. Base reset and body
   =================================================================== */

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  background: var(--color-bg);
}

/* ===================================================================
   4. Skip link
   =================================================================== */

.skip-link:focus {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-primary-text);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  text-decoration: none;
  clip: auto;
  width: auto;
  height: auto;
  overflow: visible;
  white-space: nowrap;
}

/* ===================================================================
   5. Container
   =================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===================================================================
   6. Button extensions
   =================================================================== */

.btn--lg {
  min-height: 52px;
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-md);
}

.btn--sm {
  min-height: 36px;
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-sm);
}

/* Ghost button for dark backgrounds */
.btn--inverse {
  background: transparent;
  color: var(--color-primary-text);
  border-color: rgba(248, 248, 250, 0.4);
}

.btn--inverse:hover {
  background: rgba(248, 248, 250, 0.1);
  border-color: rgba(248, 248, 250, 0.7);
}

/* Focus indicators on dark backgrounds */
.hero .btn:focus-visible,
.site-footer a:focus-visible {
  outline-color: var(--color-primary-text);
}

/* ===================================================================
   7. Site header
   =================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-header__logo svg,
.site-header__logo img {
  width: 44px;
  height: 44px;
}

.site-header__wordmark {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.site-header nav a {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.site-header nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-muted);
}

.site-header nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===================================================================
   8. Section base (landing override -- sections here are big)
   =================================================================== */

.landing-section {
  padding: var(--section-pad-v) 0;
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.landing-section--white {
  background: var(--color-surface);
}

.landing-section--muted {
  background: var(--color-surface-muted);
}

.section-header {
  margin-bottom: var(--space-12);
  text-align: center;
}

.section-header h2 {
  margin: 0 0 var(--space-4);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin: 0 auto;
}

/* ===================================================================
   9. Hero section
   =================================================================== */

.hero {
  background: var(--color-primary);
  color: var(--color-primary-text);
  padding: var(--space-24) 0;
}

.hero__inner {
  max-width: 700px;
}

.hero h1 {
  margin: 0 0 var(--space-6);
  font-size: var(--text-hero);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  max-width: 20ch;
  color: var(--color-primary-text);
}

.hero__tagline {
  margin: 0 0 var(--space-8);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: rgba(248, 248, 250, 0.85);
  max-width: 55ch;
  font-weight: var(--weight-medium);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero__hint {
  font-size: var(--text-sm);
  color: rgba(248, 248, 250, 0.6);
  margin-top: var(--space-4);
  line-height: var(--leading-normal);
}

/* Hero button colors: primary on dark bg becomes an inverted solid */
.hero .btn--primary {
  background: var(--color-primary-text);
  color: var(--color-primary);
  border-color: var(--color-primary-text);
}

.hero .btn--primary:hover {
  background: #e8e8ea;
  border-color: #e8e8ea;
}

/* ===================================================================
   10. How It Works section
   =================================================================== */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-8);
}

.step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.step__number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  line-height: 1;
}

.step__body h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.step__body p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* 3-column at desktop */
@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .step {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ===================================================================
   11. Use cases section
   =================================================================== */

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

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

.use-case-card h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.use-case-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* 2-col at tablet */
@media (min-width: 768px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 4-col at desktop */
@media (min-width: 1024px) {
  .use-cases-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===================================================================
   12. Pricing section
   =================================================================== */

.pricing-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.pricing-card {
  position: relative;
  padding: var(--space-8);
}

.pricing-card__tier {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.pricing-card__tier h3 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.pricing-card__price {
  margin: 0 0 var(--space-6);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.pricing-card__price span {
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  color: var(--color-text-muted);
}

.pricing-card__description {
  margin: 0;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* Featured (Evidence) card */
.pricing-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

.pricing-card--featured::before {
  content: "Recommended";
  position: absolute;
  top: -1px;
  left: var(--space-8);
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 3-col at tablet+ */
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
}

/* Badge variant for "Coming soon" */
.badge--info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
  border-color: var(--color-info);
}

/* ===================================================================
   13. Footer
   =================================================================== */

.site-footer {
  background: var(--color-primary);
  color: var(--color-primary-text);
  padding: var(--space-16) 0 var(--space-8);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-footer__brand svg,
.site-footer__brand img {
  width: 28px;
  height: 28px;
}

.site-footer__wordmark {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  color: var(--color-primary-text);
}

.site-footer__tagline {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: rgba(248, 248, 250, 0.7);
}

.site-footer nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-footer nav a {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: rgba(248, 248, 250, 0.8);
  text-decoration: none;
  border-radius: var(--radius-md);
}

.site-footer nav a:hover {
  color: var(--color-primary-text);
  background: rgba(248, 248, 250, 0.1);
}

.site-footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(248, 248, 250, 0.15);
  font-size: var(--text-sm);
  color: rgba(248, 248, 250, 0.6);
}

.site-footer__links {
  display: flex;
  gap: var(--space-12);
}

.site-footer__heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(248, 248, 250, 0.5);
  margin: 0 0 var(--space-3);
}

.site-footer__operator {
  font-size: var(--text-sm);
  color: rgba(248, 248, 250, 0.6);
  margin: 0 0 var(--space-2);
}

.site-footer__operator a {
  color: rgba(248, 248, 250, 0.7);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer__operator a:hover {
  color: var(--color-primary-text);
}

/* ===================================================================
   14. Article / prose layout (legal pages)
   =================================================================== */

.article {
  max-width: 72ch;
  margin: 0 auto;
  padding: var(--space-16) 0;
}

.article h1 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}

.article .article__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-12);
}

.article h2 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin: var(--space-12) 0 var(--space-4);
  color: var(--color-text);
}

.article h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin: var(--space-8) 0 var(--space-3);
  color: var(--color-text);
}

.article p {
  margin: 0 0 var(--space-4);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.article ul, .article ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-6);
  line-height: var(--leading-relaxed);
}

.article li {
  margin-bottom: var(--space-2);
}

.article strong {
  font-weight: var(--weight-bold);
}

.article a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article a:hover {
  color: var(--color-accent-hover);
}

.article a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
}

.article th {
  background: var(--color-surface-muted);
  font-weight: var(--weight-medium);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.article td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: top;
}

/* ===================================================================
   15. Responsive adjustments
   =================================================================== */

@media (max-width: 767px) {
  :root {
    --section-pad-v: var(--space-12);
  }

  .hero {
    padding: var(--space-16) 0;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .site-header__wordmark {
    display: none;
  }

  .pricing-card--featured::before {
    display: none;
  }

  .article {
    padding: var(--space-12) 0;
  }

  .article h2 {
    margin-top: var(--space-8);
  }

  .site-footer__links {
    flex-direction: column;
    gap: var(--space-8);
  }
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .site-footer__brand {
    flex-direction: column;
    align-items: flex-start;
  }
}