/*
 * Etak marketing site — visual language lifted from the Etak design system
 * (apps/web/src/styles/app.css in forge-app). Tokens kept verbatim so the
 * brochure feels like the same product. Static page, no build step.
 */
:root {
  /* Brand */
  --color-ocean: #1b4f72;
  --color-teal: #148f77;
  --color-sand: #f5e6c8;
  --color-deep: #0d1b2a;

  /* Surfaces */
  --color-surface-base: #ffffff;
  --color-surface-raised: #fafbfc;
  --color-surface-overlay: #f6f8fa;
  --color-surface-sunken: #f0f2f5;

  /* Borders, derived from --color-deep at fixed opacities */
  --border-subtle: color-mix(in srgb, var(--color-deep) 6%, transparent);
  --border-default: color-mix(in srgb, var(--color-deep) 12%, transparent);
  --border-emphasis: color-mix(in srgb, var(--color-deep) 20%, transparent);
  --border-focus: color-mix(in srgb, var(--color-ocean) 60%, transparent);

  /* Text hierarchy — opacities pinned for WCAG AA on white and sunken */
  --text-primary: var(--color-deep);
  --text-secondary: color-mix(in srgb, var(--color-deep) 72%, transparent);
  --text-tertiary: color-mix(in srgb, var(--color-deep) 68%, transparent);
  --text-muted: color-mix(in srgb, var(--color-deep) 65%, transparent);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Type */
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--color-surface-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-ocean);
  text-decoration: none;
  transition: color 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout primitives ---------- */

.site-header,
main > .section,
.section-cta .cta-card,
.footer-inner,
.hero {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 32px;
}

@media (max-width: 640px) {
  .site-header,
  main > .section,
  .section-cta .cta-card,
  .footer-inner,
  .hero {
    padding-inline: 20px;
  }
}

/* ---------- Header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

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

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, var(--color-ocean) 0%, var(--color-teal) 100%);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-deep) 8%, transparent) inset;
}

.brand-name {
  font-size: 15px;
}

.site-header nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  transition:
    background-color 120ms cubic-bezier(0.16, 1, 0.3, 1),
    color 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: color-mix(in srgb, var(--color-deep) 4%, transparent);
}

/* ---------- Hero ---------- */

.hero {
  padding-top: 96px;
  padding-bottom: 96px;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 56px;
    padding-bottom: 64px;
  }
}

.status-pip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background-color: color-mix(in srgb, var(--color-teal) 10%, transparent);
  color: var(--color-teal);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.status-pip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background-color: var(--color-teal);
}

.hero h1 {
  margin: 24px 0 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
  max-width: 18ch;
  color: var(--text-primary);
}

.lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.cta-row {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color 120ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 120ms cubic-bezier(0.16, 1, 0.3, 1),
    color 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.btn-primary:hover {
  background-color: color-mix(in srgb, var(--color-ocean) 88%, var(--color-deep));
  color: #ffffff;
  border-color: color-mix(in srgb, var(--color-ocean) 88%, var(--color-deep));
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn-ghost:hover {
  background-color: var(--color-surface-overlay);
  border-color: var(--border-emphasis);
  color: var(--text-primary);
}

.hero-foot {
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-tertiary);
  max-width: 60ch;
}

/* ---------- Sections ---------- */

.section {
  padding-block: 80px;
}

.section-alt {
  background-color: var(--color-surface-sunken);
  border-block: 1px solid var(--border-subtle);
  max-width: none;
  padding-inline: 0;
}

.section-alt > .section-header,
.section-alt > .plugins {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 32px;
}

@media (max-width: 640px) {
  .section {
    padding-block: 56px;
  }

  .section-alt > .section-header,
  .section-alt > .plugins {
    padding-inline: 20px;
  }
}

.section-header {
  max-width: 64ch;
  margin-bottom: 40px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ocean);
  margin-bottom: 12px;
}

.section h2 {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.section-lede {
  margin: 16px 0 0;
  font-size: 16px;
  color: var(--text-secondary);
}

/* ---------- Principles cards ---------- */

.principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 880px) {
  .principles {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text-primary);
}

.card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ---------- Plugins list ---------- */

.plugins {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.plugin {
  background-color: var(--color-surface-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.plugin-name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.plugin-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  flex: none;
}

.plugin-dot-ocean { background-color: var(--color-ocean); }
.plugin-dot-teal  { background-color: var(--color-teal); }
.plugin-dot-deep  { background-color: var(--color-deep); }
.plugin-dot-sand  {
  background-color: var(--color-sand);
  box-shadow: 0 0 0 1px var(--border-emphasis) inset;
}

.plugin p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.plugin code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-sunken);
  color: var(--text-primary);
}

.plugin-planned {
  background-color: var(--color-surface-overlay);
  border-style: dashed;
}

.planned-tag {
  margin-left: 4px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--color-sand) 60%, transparent);
  color: var(--color-deep);
}

/* ---------- CTA section ---------- */

.section-cta {
  padding-block: 96px;
}

.cta-card {
  background:
    linear-gradient(
      135deg,
      var(--color-ocean) 0%,
      color-mix(in srgb, var(--color-ocean) 70%, var(--color-teal)) 100%
    );
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: left;
}

.cta-card h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: -0.015em;
}

.cta-card p {
  margin: 12px 0 24px;
  max-width: 60ch;
  color: color-mix(in srgb, #ffffff 88%, transparent);
  font-size: 15px;
}

.cta-card .btn-primary {
  background-color: #ffffff;
  color: var(--color-ocean);
  border-color: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
}

.cta-card .btn-primary:hover {
  background-color: var(--color-sand);
  color: var(--color-deep);
  border-color: var(--color-sand);
}

@media (max-width: 640px) {
  .cta-card {
    padding: 32px 24px;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: 28px;
  background-color: var(--color-surface-raised);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-weight: 600;
  color: var(--text-primary);
}

.footer-meta {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-meta a {
  color: var(--text-secondary);
}

.footer-meta a:hover {
  color: var(--color-ocean);
}

/* ---------- Reduced motion ---------- */

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