/* MindFuel public site
   Palette and type match the Android app (theme.config.js / design.md).
   Dark is the logo's native ground; light follows the app's warm paper theme. */

:root {
  color-scheme: dark;
  --bg: #0a1020;
  --bg-elev: #0d1535;
  --bg-alt: #1a2040;
  --text: #f5f0e8;
  --muted: #c4beb6;
  --primary: #4ade80;
  --primary-ink: #06210f;
  --accent: #9ecfff;
  --streak: #fbbf24;
  --border: #2a3a56;
  --danger: #f87171;
  --header: rgba(10, 16, 32, 0.86);
  --glow: rgba(74, 222, 128, 0.28);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 1120px;
  --header-h: 4.25rem;
  --focus: #4ade80;
  --callout: rgba(251, 191, 36, 0.08);
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #faf7f2;
    --bg-elev: #f0ede8;
    --bg-alt: #e7e2da;
    --text: #1c1917;
    --muted: #4f4944;
    --primary: #1a5038;
    --primary-ink: #faf7f2;
    --accent: #0b4f94;
    --streak: #92400e;
    --border: #d9d0c6;
    --danger: #b91c1c;
    --header: rgba(250, 247, 242, 0.9);
    --glow: rgba(26, 80, 56, 0.16);
    --shadow: 0 18px 40px rgba(28, 25, 23, 0.08);
    --focus: #1a5038;
    --callout: rgba(180, 83, 9, 0.08);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 85% -10%, var(--glow), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--primary);
  color: var(--primary-ink);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  z-index: 20;
  text-decoration: none;
}

.skip:focus {
  transform: translateY(0.75rem);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

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

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--bg-alt);
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 0 0 1px var(--border);
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }

  .site-nav.is-open {
    display: flex;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  }

  .site-nav a {
    border-radius: 12px;
  }
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem 0 2.5rem;
}

.kicker {
  margin: 0 0 0.75rem;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  margin: 1.6rem 0 0.45rem;
  font-size: 1.15rem;
}

.lead {
  margin: 0 0 1.5rem;
  font-size: 1.15rem;
  color: var(--text);
  max-width: 40rem;
}

.muted,
.page-hero p,
.card p,
.note,
footer p {
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--primary);
  color: var(--primary-ink);
}

.button.primary:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

.button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.button.ghost:hover {
  text-decoration: none;
  background: var(--bg-alt);
}

.safety-line {
  margin: 0;
  max-width: 40rem;
  font-size: 0.95rem;
}

.hero-stage {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 45%, var(--glow), transparent 55%),
    linear-gradient(180deg, var(--bg-elev), var(--bg));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-stage picture {
  width: min(220px, 70%);
}

.hero-stage img {
  width: 100%;
  border-radius: 46px;
}

.section {
  padding: 2.5rem 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 1.5rem;
}

.section-head p {
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.2rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
}

.card h3 {
  margin: 0.85rem 0 0.35rem;
}

.card p,
.card li {
  margin: 0;
}

.card ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
}

.card li + li {
  margin-top: 0.35rem;
}

.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  color: var(--primary);
}

.icon-badge svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.phase strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
}

.phase span {
  display: block;
  margin: 0.2rem 0 0.55rem;
  color: var(--streak);
  font-size: 0.85rem;
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 36rem;
}

caption {
  text-align: left;
  padding: 1rem 1rem 0.4rem;
  font-weight: 700;
  color: var(--text);
}

th,
td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.note {
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
}

.callout {
  border: 1px solid color-mix(in srgb, var(--streak) 55%, var(--border));
  background: var(--callout);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.5rem 0;
}

.callout h2 {
  font-size: 1.2rem;
}

.callout p {
  margin: 0.4rem 0 0;
}

.callout ul {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

.callout li + li {
  margin-top: 0.45rem;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.toc a {
  font-weight: 600;
}

.prose {
  max-width: 46rem;
}

.prose p,
.prose li {
  color: var(--text);
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.page-hero {
  padding: 2.75rem 0 0.5rem;
  max-width: 46rem;
}

.page-hero p {
  margin: 0.4rem 0 0;
}

.contact-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.contact-list a {
  font-weight: 700;
}

.emergency {
  border-left: 4px solid var(--danger);
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.footer-nav a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-meta {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .hero,
  .grid,
  .phases,
  .split,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.25rem;
  }

  .hero-stage {
    min-height: 220px;
  }
}

@media print {
  .site-header,
  .nav-toggle,
  .actions,
  .site-footer,
  .skip {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  a {
    color: #000;
  }

  .card,
  .callout,
  .table-wrap {
    break-inside: avoid;
  }
}