/**
 * Shared styles for PicoERP alternative comparison pages.
 * Visual language matches PicoERP app tokens (css/variables.css).
 */

:root {
  --color-brand: #0f3d3e;
  --color-brand-strong: #0a2c2d;
  --color-brand-soft: #1a5c5e;
  --color-accent: #c45c26;
  --color-accent-hover: #a84c1e;
  --color-accent-soft: rgba(196, 92, 38, 0.12);

  --color-bg: #f3f0ea;
  --color-bg-elevated: #fffcf7;
  --color-bg-muted: #e8e3da;

  --color-text: #1a1c1b;
  --color-text-muted: #5c635f;
  --color-text-faint: #8a918c;
  --color-text-on-brand: #f7f3ec;
  --color-text-on-brand-muted: rgba(247, 243, 236, 0.72);

  --color-border: #d4cfc5;
  --color-border-strong: #b8b1a4;
  --color-focus: #1a5c5e;
  --color-success: #1f6b4a;
  --color-success-bg: #e5f3ec;

  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  --content-max: 52rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --shadow-sm: 0 1px 2px rgba(26, 28, 27, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 28, 27, 0.08);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 140ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background:
    radial-gradient(900px 420px at 0% -10%, rgba(26, 92, 94, 0.1), transparent 55%),
    radial-gradient(700px 360px at 100% 0%, rgba(196, 92, 38, 0.06), transparent 50%),
    var(--color-bg);
}

a {
  color: var(--color-brand-soft);
}

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

.wrap {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-text);
}

.brand__logo {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}

.brand__tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

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

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}

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

/* ── Hero ── */
.hero {
  padding: var(--space-10) 0 var(--space-8);
  animation: rise 0.55s var(--ease-out) both;
}

.hero__eyebrow {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand-soft);
}

.hero h1 {
  margin: 0 0 var(--space-4);
  font-size: clamp(1.65rem, 4vw, var(--text-3xl));
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-brand);
}

.hero__lead {
  margin: 0 0 var(--space-6);
  max-width: 40rem;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: background var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

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

.cta--lg {
  padding: 0.9rem 1.35rem;
  font-size: var(--text-base);
}

/* ── Differentiator pills ── */
.diff {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: var(--space-3);
  margin: var(--space-8) 0 0;
}

.diff__item {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
}

.diff__item strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-brand);
}

.diff__item p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* ── Sections ── */
.section {
  padding: var(--space-8) 0;
  animation: rise 0.6s var(--ease-out) 0.08s both;
}

.section h2 {
  margin: 0 0 var(--space-4);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-brand);
}

.section p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

.section ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--color-text-muted);
}

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

.section li::marker {
  color: var(--color-brand-soft);
}

/* ── Comparison table ── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-md);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.compare th,
.compare td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.compare th {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compare thead th {
  background: var(--color-brand);
  color: var(--color-text-on-brand);
  border-bottom: none;
}

.compare thead th:first-child {
  border-radius: var(--radius-lg) 0 0 0;
  width: 28%;
}

.compare thead th.col-pico {
  background: var(--color-brand-soft);
}

.compare thead th:last-child {
  border-radius: 0 var(--radius-lg) 0 0;
}

.compare tbody th {
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg-muted);
  white-space: nowrap;
}

.compare tbody tr:last-child th,
.compare tbody tr:last-child td {
  border-bottom: none;
}

.compare tbody tr:hover td {
  background: rgba(15, 61, 62, 0.03);
}

.compare .col-pico {
  color: var(--color-text);
}

.compare .col-pico strong {
  color: var(--color-success);
  font-weight: 600;
}

.compare .col-rival {
  color: var(--color-text-muted);
}

/* ── Choose grids ── */
.choose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.choose-card {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
}

.choose-card--pico {
  border-color: rgba(26, 92, 94, 0.28);
  background: linear-gradient(180deg, var(--color-success-bg) 0%, var(--color-bg-elevated) 48%);
}

.choose-card h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-brand);
}

/* ── Bottom CTA ── */
.cta-block {
  margin: var(--space-4) 0 var(--space-10);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-brand);
  color: var(--color-text-on-brand);
  text-align: center;
  box-shadow: var(--shadow-md);
  animation: rise 0.65s var(--ease-out) 0.12s both;
}

.cta-block h2 {
  margin: 0 0 var(--space-3);
  color: var(--color-text-on-brand);
  font-size: var(--text-xl);
}

.cta-block p {
  margin: 0 auto var(--space-6);
  max-width: 36rem;
  color: var(--color-text-on-brand-muted);
}

.cta-block .cta {
  background: var(--color-accent);
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0 var(--space-8);
  background: var(--color-bg-elevated);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-footer p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer .disclaimer {
  margin: 0.35rem 0 0;
  max-width: 46rem;
  font-size: 0.68rem;
  line-height: 1.45;
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

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

.footer-links a:hover,
.footer-links a[aria-current="page"] {
  color: var(--color-brand);
}

.footer-links a[aria-current="page"] {
  font-weight: 600;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .choose-grid {
    grid-template-columns: 1fr;
  }

  .compare tbody th {
    white-space: normal;
  }

  .nav-links .nav-link--hide-sm {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}