/* Upskill360 site. Concept: an ops console for your career. Cool paper ground,
   ink type, cobalt for progress, amber for the Polish stage, mono for data. */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #e9edf7;
  --ink: #0f1a2e;
  --muted: #4f5b75;
  --line: #d9dfec;
  --cobalt: #2f55f5;
  --cobalt-ink: #ffffff;
  --cobalt-soft: #dfe6ff;
  --amber: #e8940c;
  --amber-soft: #fff1d6;
  --ok: #10946b;
  --shadow: 0 1px 2px rgba(15, 26, 46, 0.06), 0 12px 32px -12px rgba(15, 26, 46, 0.18);
  --band: #0f1a2e;
  --band-ink: #f4f6fb;
  --band-accent: #ffb547;

  --font-display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius: 14px;
  --max: 1160px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220;
    --surface: #121b2e;
    --surface-2: #1a2540;
    --ink: #e9eefb;
    --muted: #9ba8c6;
    --line: #26324f;
    --cobalt: #7d97ff;
    --cobalt-ink: #0b1220;
    --cobalt-soft: #1d2a55;
    --amber: #ffb547;
    --amber-soft: #3a2a0f;
    --ok: #3fd3a2;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
    --band: #16203a;
    --band-ink: #e9eefb;
    --band-accent: #ffb547;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #121b2e;
  --surface-2: #1a2540;
  --ink: #e9eefb;
  --muted: #9ba8c6;
  --line: #26324f;
  --cobalt: #7d97ff;
  --cobalt-ink: #0b1220;
  --cobalt-soft: #1d2a55;
  --amber: #ffb547;
  --amber-soft: #3a2a0f;
  --ok: #3fd3a2;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  --band: #16203a;
  --band-ink: #e9eefb;
  --band-accent: #ffb547;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.in-app .site-header, .in-app .site-footer { display: none; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cobalt); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 2px;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

.mono { font-family: var(--font-mono); }
.small { font-size: 0.875rem; color: var(--muted); }

/* Header */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px; background: var(--cobalt); color: var(--cobalt-ink);
  display: grid; place-items: center; font-weight: 800; font-size: 0.95rem;
}
.logo-mark svg { width: 20px; height: 20px; }
.nav { display: flex; gap: 24px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--ink); }
@media (max-width: 760px) { .nav { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font: 600 0.98rem var(--font-body);
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--cobalt); color: var(--cobalt-ink); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -8px var(--cobalt); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--muted); }
.btn[aria-disabled="true"] { cursor: default; }
.btn[aria-disabled="true"]:hover { transform: none; box-shadow: none; }

/* Generic sections used by inner pages */
.hero { padding-block: 72px 48px; }
.eyebrow { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--cobalt); margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.8rem); margin-bottom: 16px; }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 36em; margin: 0 0 28px; }
section { padding-block: 72px; }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); margin-bottom: 12px; }
.section-lead { color: var(--muted); max-width: 38em; margin: 0 0 36px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; min-width: 0; }
.card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.card p { margin: 0; color: var(--muted); }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font: 600 0.72rem var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 10px; border-radius: 999px;
  background: var(--cobalt-soft); color: var(--cobalt);
  width: fit-content; align-self: flex-start;
}
.chip.amber { background: var(--amber-soft); color: var(--amber); }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding-block: 18px; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--font-mono); color: var(--cobalt); transition: transform 0.2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 10px 0 0; max-width: 46em; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 36px; color: var(--muted); font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); }

/* Legal pages */
.legal { padding-block: 48px 72px; }
.legal .wrap { max-width: 800px; }
.legal h1 { font-size: 2.4rem; margin-bottom: 6px; }
.legal h2 { font-size: 1.35rem; margin: 40px 0 8px; }
.legal h3 { font-size: 1.08rem; margin: 22px 0 6px; }
.legal .updated { color: var(--muted); margin: 0 0 24px; font-family: var(--font-mono); font-size: 0.85rem; }
.callout { background: var(--cobalt-soft); border-radius: 12px; padding: 16px 18px; margin: 20px 0; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }

/* Training */
.event h3 { font-size: 1.4rem; margin-top: 12px; }
.event-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.event-speaker { font-weight: 600; margin: 6px 0 2px; color: var(--ink) !important; }
.event-when { margin: 4px 0; font-family: var(--font-mono); font-size: 0.9rem; }
.signup { display: grid; gap: 12px; margin-top: 16px; }
.signup label { display: grid; gap: 4px; font-weight: 500; font-size: 0.95rem; }
.signup input, .signup select {
  font: inherit; padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); min-width: 0;
}
.signup label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 0.9rem; color: var(--muted); }
.signup label.check input { margin-top: 4px; }
.signup button { justify-self: start; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status:empty { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}