/* Shared styles for the tutorial site. Colors come exclusively from the
   custom properties in tokens.css, which is generated from the app design
   system at deploy time — never hardcode a brand color here. Light mode only. */

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

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: rgb(var(--color-surface-secondary));
  color: rgb(var(--color-text));
  line-height: 1.6;
}

.site-header {
  background: rgb(var(--color-surface));
  border-bottom: 1px solid rgb(var(--color-border));
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.breadcrumb {
  color: rgb(var(--color-text-tertiary));
  font-size: 0.8rem;
  font-weight: 500;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 2.5rem;
  width: auto;
}

.page {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
  color: var(--color-primary-800);
}

.lede {
  font-size: 1.125rem;
  color: rgb(var(--color-text-secondary));
  margin: 0 0 2rem;
}

a {
  color: var(--color-primary-600);
}

a:hover {
  color: var(--color-primary-700);
}

/* Splash page — the unauthenticated root. Tutorials are login-gated in the
   app, so this page's one job is sending visitors to app training. */

.splash {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.splash-hero {
  flex: 1;
  display: flex;
  align-items: center;
  width: min(72rem, 100%);
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 4.5rem) 1.5rem 1.5rem;
}

.splash-copy {
  max-width: 38rem;
}

.splash-copy h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-primary-950);
}

.splash-lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgb(var(--color-text-secondary));
  margin: 0 0 2.25rem;
  max-width: 34rem;
}

.cta-row {
  margin: 0 0 1.5rem;
}

.cta-button {
  display: inline-block;
  background: var(--color-primary-500);
  color: rgb(var(--color-text-invert));
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.85rem 1.75rem;
  border-radius: 0.6rem;
  text-decoration: none;
  transition: background-color 0.15s ease-out;
}

.cta-button:hover {
  background: var(--color-primary-600);
  color: rgb(var(--color-text-invert));
}

.cta-button:focus-visible {
  outline: 3px solid var(--color-primary-200);
  outline-offset: 2px;
}

.splash-aside {
  color: rgb(var(--color-text-tertiary));
  font-size: 0.9rem;
  margin: 0;
}

.splash-ground {
  width: 100%;
}

/* Height tracks the 6:1 viewBox so `slice` crops sides on narrow screens,
   never the flag tops; the 26.5rem cap only bites past ~2560px wide. */
.splash-ground svg {
  display: block;
  width: 100%;
  height: clamp(10rem, 16.67vw, 26.5rem);
}

.earth {
  fill: var(--color-primary-50);
}

.buried {
  fill: none;
  stroke-width: 5;
  stroke-linecap: round;
}

.buried-primary {
  stroke: var(--color-primary-200);
}

.buried-secondary {
  stroke: var(--color-secondary-300);
}

.buried-tertiary {
  stroke: var(--color-tertiary-200);
}

.marking-line {
  stroke: var(--color-primary-400);
  stroke-width: 4;
  stroke-dasharray: 26 16;
  stroke-linecap: round;
}

.flag-stake rect {
  fill: rgb(var(--color-border-strong));
}

.flag-primary {
  fill: var(--color-primary-500);
}

.flag-secondary {
  fill: var(--color-secondary-500);
}

.flag-tertiary {
  fill: var(--color-tertiary-500);
}

/* Tutorial article pages */

.alert {
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border: 1px solid;
}

.alert.info {
  background: rgb(var(--color-info-bg));
  border-color: rgb(var(--color-info-border));
  color: rgb(var(--color-info-text));
}

.alert.info b,
.alert.info strong {
  color: var(--color-primary-800);
}

.alert.warning {
  background: rgb(var(--color-warning-bg));
  border-color: rgb(var(--color-warning-border));
  color: rgb(var(--color-warning-text));
}

.step-card {
  background: rgb(var(--color-surface));
  border: 1px solid rgb(var(--color-border));
  border-radius: 12px;
  box-shadow: 0 1px 2px rgb(var(--color-surface-invert) / 0.04);
  padding: 1.5rem;
  margin: 1.25rem 0;
}

.step-card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgb(var(--color-text));
}

.step-card p {
  color: rgb(var(--color-text-secondary));
  margin: 0.5rem 0;
}

.step-card b {
  color: rgb(var(--color-text));
  font-weight: 600;
}

.step-number {
  flex: none;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: var(--color-primary-500);
  color: rgb(var(--color-text-invert));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
}

.screenshot {
  display: block;
  max-width: 100%;
  border: 1px solid rgb(var(--color-border-strong));
  border-radius: 8px;
  margin-top: 1rem;
}

code {
  background: rgb(var(--color-surface-tertiary));
  border: 1px solid rgb(var(--color-border));
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: rgb(var(--color-text));
  word-break: break-all;
}

.site-footer {
  border-top: 1px solid rgb(var(--color-border));
  padding: 1.5rem;
  text-align: center;
  color: rgb(var(--color-text-tertiary));
  font-size: 0.875rem;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  .page {
    padding: 1.5rem 1rem 3rem;
  }
}