/* ============================================================
   cyberprobono — First-Responder direction ("composed emergency")
   Calm authority under pressure. High legibility, high contrast.
   System fonts only (zero web-font requests → fast LCP).
   ============================================================ */

:root {
  /* Foundation */
  --ink:        #0F172A;  /* slate-900 — primary text / hero band */
  --ink-soft:   #334155;  /* slate-700 — body on light */
  --muted:      #64748B;  /* slate-500 — secondary text */
  --line:       #E2E8F0;  /* slate-200 — borders */
  --paper:      #FFFFFF;  /* base surface */
  --paper-alt:  #F8FAFC;  /* slate-50 — alt sections */

  /* Signal (used sparingly: CTA, emergency) — the color of signal, not alarm */
  --ember:      #EA580C;  /* orange-600 */
  --ember-dark: #C2410C;  /* orange-700 — hover */
  --ember-tint: #FFF7ED;  /* orange-50 — emergency band */
  --ember-line: #FED7AA;  /* orange-200 */

  /* Safe / resolved */
  --safe:       #0D9488;  /* teal-600 */
  --safe-tint:  #F0FDFA;  /* teal-50 */

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

  /* Rhythm */
  --wrap: 68rem;
  --wrap-narrow: 40rem;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --focus: 0 0 0 3px rgba(234,88,12,.45);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink-soft);
  background: var(--paper);
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1rem; }
a { color: var(--ember-dark); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ember); }
strong { color: var(--ink); font-weight: 700; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
.wrap-narrow { max-width: var(--wrap-narrow); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: .75rem 1rem; border-radius: 0 0 var(--radius-sm) 0; z-index: 100;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 650; line-height: 1;
  padding: .85rem 1.4rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color .15s ease, transform .05s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--focus); }
.btn-primary { background: var(--ember); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--ember-dark); color: #fff; }
.btn-block { width: 100%; padding: 1rem; font-size: 1.05rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--paper-alt); color: var(--ink); }
.btn-link { background: transparent; color: var(--ink-soft); padding-left: .25rem; padding-right: .25rem; }
.btn-link:hover { color: var(--ember); }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem 1.25rem;
  background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--ink); font-weight: 600; }
.brand-mark { color: var(--ember); font-size: .8rem; }
.brand-text { letter-spacing: -.01em; }
.brand-text strong { font-weight: 800; }
.header-cta { padding: .55rem 1rem; }

/* ---- Hero ---- */
.hero {
  background:
    radial-gradient(1200px 500px at 78% -8%, rgba(234,88,12,.16), transparent 60%),
    linear-gradient(180deg, #0B1220 0%, var(--ink) 100%);
  color: #CBD5E1;
  padding: clamp(3.5rem, 9vw, 6.5rem) 0 clamp(3rem, 7vw, 5rem);
  border-bottom: 3px solid var(--ember);
}
.hero .eyebrow { color: #93C5FD; }
.hero h1 { color: #fff; max-width: 18ch; }
.hero .lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #CBD5E1; max-width: 60ch; margin-top: 1.25rem; }
.hero .lede strong { color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 2rem; }
.cta-note { font-size: .9rem; color: #94A3B8; margin-top: 1rem; }

/* ---- Emergency strip ---- */
.emergency { background: var(--ember-tint); border-bottom: 1px solid var(--ember-line); }
.emergency-inner { padding: 1.1rem 1.25rem; }
.emergency-flag { font-weight: 800; color: var(--ember-dark); margin: 0 0 .25rem; font-size: 1rem; }
.emergency-flag span { margin-right: .35rem; }
.emergency-body { margin: 0; color: #7C2D12; font-size: .97rem; }
.emergency-body a { color: var(--ember-dark); font-weight: 700; }

/* ---- Sections ---- */
.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section-alt { background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-lede { color: var(--muted); max-width: 60ch; margin-top: -.25rem; margin-bottom: 2rem; font-size: 1.05rem; }

/* ---- Who / fit ---- */
.fit-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.fit-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.fit-card h3 { display: flex; align-items: center; gap: .5rem; }
.fit-card ul { margin: .75rem 0 0; padding: 0; list-style: none; }
.fit-card li { padding: .4rem 0 .4rem 1.6rem; position: relative; color: var(--ink-soft); border-top: 1px solid var(--line); }
.fit-card li:first-child { border-top: 0; }
.fit-yes { border-top: 3px solid var(--safe); }
.fit-yes li::before { content: "✓"; position: absolute; left: 0; color: var(--safe); font-weight: 700; }
.fit-no { border-top: 3px solid var(--muted); }
.fit-no li::before { content: "×"; position: absolute; left: 0; color: var(--muted); font-weight: 700; }
.tick { color: var(--safe); }
.cross { color: var(--muted); }
.capacity {
  margin-top: 1.5rem; display: flex; align-items: baseline; gap: .6rem;
  background: var(--safe-tint); border: 1px solid #99F6E4; border-radius: var(--radius-sm);
  padding: .9rem 1.1rem; color: #115E59; font-size: .97rem;
}
.capacity-dot { width: .6rem; height: .6rem; border-radius: 50%; background: var(--safe); flex: none; align-self: center; box-shadow: 0 0 0 3px rgba(13,148,136,.2); }

/* ---- Steps ---- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; grid-template-columns: 1fr; counter-reset: step; }
.step { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.4rem 1.4rem 1.4rem; box-shadow: var(--shadow); }
.step-num { font-family: var(--font-mono); font-size: .85rem; font-weight: 700; color: var(--ember); background: var(--ember-tint); border: 1px solid var(--ember-line); border-radius: 6px; padding: .15rem .5rem; display: inline-block; margin-bottom: .6rem; }
.step h3 { margin-bottom: .3rem; }
.step p { margin: 0; color: var(--ink-soft); }

/* ---- About ---- */
.about-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.about-body p { max-width: 62ch; }
.about-link { color: var(--muted); }
.creds { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; align-self: start; }
.creds li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .8rem .9rem; display: flex; flex-direction: column; gap: .15rem; }
.cred-k { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.cred-v { font-weight: 700; color: var(--ink); font-size: .95rem; }

/* ---- FAQ ---- */
.faq { display: grid; gap: .6rem; max-width: 52rem; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .25rem 1.1rem; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 650; color: var(--ink); padding: .95rem 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ember); font-weight: 700; font-size: 1.35rem; line-height: 1; flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 1rem; color: var(--ink-soft); }
.faq summary:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 4px; }

/* ---- Request form ---- */
.request-section { background: var(--paper-alt); border-top: 1px solid var(--line); }
.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); box-shadow: var(--shadow); margin-top: 1.5rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; color: var(--ink); margin-bottom: .35rem; font-size: .95rem; }
.field .opt { font-weight: 400; color: var(--muted); }
.req { color: var(--ember); }
.field input[type="text"], .field input[type="email"], .field textarea {
  width: 100%; font: inherit; color: var(--ink);
  padding: .7rem .85rem; border: 1px solid #CBD5E1; border-radius: var(--radius-sm);
  background: #fff; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ember); box-shadow: var(--focus); }
.field textarea { resize: vertical; }
.field-check { display: flex; gap: .6rem; align-items: flex-start; }
.field-check input { margin-top: .25rem; width: 1.1rem; height: 1.1rem; flex: none; accent-color: var(--ember); }
.field-check label { font-weight: 400; color: var(--ink-soft); font-size: .92rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 1rem 0 0; font-weight: 600; min-height: 1.2em; }
.form-status.ok { color: var(--safe); }
.form-status.err { color: var(--ember-dark); }
.form.sent { text-align: center; }

/* ---- Footer ---- */
.site-footer { background: var(--ink); color: #94A3B8; padding: 2.5rem 0; }
.footer-inner { display: grid; gap: .9rem; }
.footer-brand { color: #fff; font-size: 1.1rem; margin: 0; }
.footer-brand strong { font-weight: 800; color: #fff; }
.footer-legal { font-size: .85rem; color: #94A3B8; max-width: 70ch; margin: 0; line-height: 1.55; }
.footer-legal strong { color: #CBD5E1; }
.footer-links { margin: 0; font-size: .9rem; display: flex; gap: .6rem; align-items: center; }
.footer-links a { color: #CBD5E1; }
.footer-links a:hover { color: #fff; }

/* ---- Responsive ---- */
@media (min-width: 640px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .creds { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 860px) {
  .fit-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1.6fr 1fr; align-items: start; }
  .creds { grid-template-columns: 1fr 1fr; }
}