/* assets/css/home.css */

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

/* ─── Skip link ──────────────────────────────────────────────────── */
.skip-to-content {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-body);
  font-size: var(--type-subheadline);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.15s ease;
}

.skip-to-content:focus-visible {
  transform: translateY(0);
}

/* ─── Base ───────────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
}

@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;
  background:
    radial-gradient(circle at top, rgba(74, 222, 128, 0.14), transparent 28%),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--type-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── Focus styles (WCAG 2.2 AA — 2.4.7 / 2.4.11) ──────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a {
  color: inherit;
}

a:focus-visible {
  border-radius: var(--radius-md);
}

/* ─── Site shell ─────────────────────────────────────────────────── */
.site-shell {
  min-height: 100vh;
}

/* ─── Nav ────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: rgba(10, 10, 15, 0.82);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--type-subheadline);
  font-weight: 700;
  letter-spacing: 0.02em;
  /* Minimum touch target 44×44 */
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: var(--type-subheadline);
  text-decoration: none;
  transition: color 0.15s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

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

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 420px);
  align-items: center;
  gap: var(--space-6);
  max-width: 1200px;
  min-height: calc(100vh - 73px);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: 6px 12px;
  border: 1px solid rgba(74, 222, 128, 0.22);
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.08);
  color: var(--color-primary);
  font-size: var(--type-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 {
  font-size: var(--type-h1);
  margin-bottom: var(--space-4);
}

.hero-subheadline {
  margin: 0 0 var(--space-5);
  color: var(--color-text-secondary);
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  max-width: 58ch;
}

.hero-subheadline strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--type-subheadline);
}

.hero-badge-link {
  display: inline-flex;
  width: fit-content;
  min-height: 44px;
  align-items: center;
  transition: transform 0.15s ease;
}

@media (prefers-reduced-motion: reduce) {
  .hero-badge-link {
    transition: none;
  }
}

.hero-badge-link:hover {
  transform: translateY(-1px);
}

.hero-badge-link img {
  width: 180px;
  height: auto;
}

.hero-visual {
  position: relative;
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-xl) + var(--space-2));
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    var(--color-surface);
  box-shadow: var(--shadow-hero);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px;
  height: 28px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.38);
  filter: blur(18px);
  z-index: 0;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: 30px;
}

/* ─── Sections ───────────────────────────────────────────────────── */
main section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-7);
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-5);
}

.section-kicker {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
  font-size: var(--type-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading h2 {
  font-size: var(--type-h2);
  margin-bottom: var(--space-3);
}

.section-heading p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--type-body);
}

/* ─── Grids ──────────────────────────────────────────────────────── */
.feature-grid,
.pricing-grid,
.trust-grid {
  display: grid;
  gap: var(--space-4);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.trust-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.screenshots-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.screenshots-grid img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

/* ─── Cards ──────────────────────────────────────────────────────── */
.card {
  height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
}

/* ─── Feature icons ──────────────────────────────────────────────── */
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
  border: 1px solid rgba(74, 222, 128, 0.22);
  border-radius: 18px;
  background: rgba(26, 95, 42, 0.24);
  color: var(--color-primary);
}

/* SVG piece colour helpers (avoids hex attrs in HTML) */
.piece-svg-black { fill: var(--color-piece-black); }
.piece-svg-white {
  fill: var(--color-piece-white);
  stroke: var(--color-board-border);
  stroke-width: 1.2;
}
.piece-svg-accent { stroke: var(--color-primary); }
.piece-svg-accent-fill { fill: var(--color-primary); }

/* ─── Cards (text) ───────────────────────────────────────────────── */
.feature-card h3,
.pricing-card h3,
.trust-card h3 {
  font-size: var(--type-h3);
  margin-bottom: var(--space-3);
}

.feature-card p,
.pricing-card p,
.trust-card p,
.footer-copy,
.legal-note {
  margin: 0;
  color: var(--color-text-secondary);
}

.feature-card p + p,
.pricing-card p + p,
.trust-card p + p {
  margin-top: var(--space-3);
}

/* ─── Pricing ────────────────────────────────────────────────────── */
.pricing-card {
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-secondary));
  opacity: 0.92;
}

.tier-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: var(--type-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-list {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.pricing-list li {
  position: relative;
  margin-top: var(--space-3);
  padding-left: var(--space-4);
  color: var(--color-text-secondary);
}

.pricing-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ─── Trust / links ──────────────────────────────────────────────── */
.trust-card a,
.footer-links a,
.legal-note a {
  color: var(--color-text);
  text-decoration-color: rgba(74, 222, 128, 0.45);
  text-underline-offset: 0.18em;
}

.trust-card a:hover,
.footer-links a:hover,
.legal-note a:hover {
  color: var(--color-primary);
}

/* ─── Footer ─────────────────────────────────────────────────────── */
footer {
  padding: 0 var(--space-5) var(--space-6);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: var(--space-4);
  align-items: start;
}

.footer-brand {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.footer-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.legal-note {
  max-width: 72ch;
  margin-top: var(--space-4);
  font-size: var(--type-footnote);
}

.copyright {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--type-footnote);
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
    min-height: auto;
  }

  .hero-copy,
  .section-heading {
    max-width: none;
  }

  .hero-visual {
    max-width: 420px;
    margin: 0 auto;
  }

  .feature-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .nav,
  .hero,
  main section,
  footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    gap: var(--space-3);
  }

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

  .hero-badge-link img {
    width: 168px;
  }

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