/* ============================================================
   BlockVista — Mancuso Strategy Studios
   Shared design system
   ============================================================ */

:root {
  /* Palette — deep space + dual-jewel accents */
  --void:        #050717;
  --void-2:      #080b1f;
  --void-3:      #0b0f29;
  --ink:         #eaeefb;
  --ink-dim:     #9aa3c4;
  --ink-faint:   #5b628a;
  --gold:        #f5c45e;
  --gold-bright: #ffd98a;
  --ice:         #6fe6ff;
  --amethyst:    #a98bff;
  --line:        rgba(255, 255, 255, 0.08);
  --line-soft:   rgba(255, 255, 255, 0.05);
  --panel:       rgba(255, 255, 255, 0.035);
  --panel-hi:    rgba(255, 255, 255, 0.06);

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  /* Rhythm */
  --maxw: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 18px;
  --radius-sm: 12px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--ink);
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: rgba(245, 196, 94, 0.28); color: #fff; }

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -100px;
  background: var(--gold);
  color: #1a1205;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- Layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ice);
}

/* ---------- Background field (subpages) ---------- */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(245, 196, 94, 0.10), transparent 60%),
    radial-gradient(1000px 800px at 8% 12%, rgba(111, 230, 255, 0.07), transparent 55%),
    radial-gradient(900px 900px at 50% 120%, rgba(169, 139, 255, 0.08), transparent 60%),
    var(--void);
}
.starfield::before,
.starfield::after {
  content: "";
  position: absolute;
  inset: -50%;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%, rgba(255,255,255,0.9), transparent),
    radial-gradient(1.2px 1.2px at 70% 65%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.6px 1.6px at 85% 20%, rgba(245,196,94,0.8), transparent),
    radial-gradient(1px 1px at 55% 45%, rgba(111,230,255,0.7), transparent),
    radial-gradient(1.1px 1.1px at 10% 60%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(169,139,255,0.7), transparent);
  background-size: 420px 420px;
  opacity: 0.6;
  animation: drift 120s linear infinite;
}
.starfield::after {
  background-size: 280px 280px;
  opacity: 0.35;
  animation-duration: 200s;
  animation-direction: reverse;
}
@keyframes drift {
  to { transform: translate3d(-60px, -80px, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .starfield::before, .starfield::after { animation: none; }
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: linear-gradient(to bottom, rgba(5,7,23,0.82), rgba(5,7,23,0.45));
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand .mark {
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  position: relative;
  flex: none;
}
/* CSS-rendered L-tetromino mark — no image dependency */
.brand .mark svg { width: 100%; height: 100%; display: block; }
.brand b { font-size: 1.08rem; font-weight: 600; }
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1px;
}
.brand .stack { line-height: 1.05; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.nav-links a {
  color: var(--ink-dim);
  padding: 0.5rem 0.75rem;
  border-radius: 9px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--panel); }
.nav-links a[aria-current="page"] { color: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.3rem;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #1c1404;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(245,196,94,0.4), 0 14px 40px -12px rgba(245,196,94,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(245,196,94,0.6), 0 20px 50px -10px rgba(245,196,94,0.7); }
.btn-ghost {
  background: var(--panel);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--panel-hi); border-color: rgba(111,230,255,0.5); transform: translateY(-2px); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}
.pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px 1px var(--gold);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  margin-top: 6rem;
  padding-block: 3rem 2.5rem;
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.35));
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-legal {
  max-width: 34ch;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.footer-nav a { color: var(--ink-dim); transition: color 0.2s var(--ease); }
.footer-nav a:hover { color: var(--gold); }

/* ---------- Generic content (legal / support pages) ---------- */
.page-main { position: relative; z-index: 1; }

.doc {
  max-width: 760px;
  margin-inline: auto;
  padding-block: clamp(3rem, 8vw, 6rem) 2rem;
}
.doc .kicker {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.doc h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 0.75rem;
}
.doc .lede {
  color: var(--ink-dim);
  font-size: 1.12rem;
  max-width: 60ch;
}
.doc .meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}
.doc h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  margin-top: 2.8rem;
  margin-bottom: 0.85rem;
  scroll-margin-top: 90px;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}
.doc h2 .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0;
}
.doc h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  margin-top: 1.6rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.doc p { color: var(--ink-dim); margin-bottom: 1rem; }
.doc ul { color: var(--ink-dim); margin: 0 0 1.1rem 0; padding-left: 1.2rem; }
.doc li { margin-bottom: 0.55rem; }
.doc li::marker { color: var(--ice); }
.doc a:not(.btn) { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(245,196,94,0.4); }
.doc a:not(.btn):hover { text-decoration-color: var(--gold); }
.doc strong { color: var(--ink); font-weight: 600; }

.toc {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  margin: 2.2rem 0 0.5rem;
}
.toc p {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.8rem;
}
.toc ol {
  columns: 2;
  column-gap: 2rem;
  margin: 0; padding-left: 1.1rem;
  font-size: 0.92rem;
}
.toc li { margin-bottom: 0.4rem; }
.toc a { color: var(--ink-dim); text-decoration: none; }
.toc a:hover { color: var(--gold); }

.callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: rgba(245, 196, 94, 0.05);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
  font-size: 0.95rem;
}
.callout p:last-child { margin-bottom: 0; }

/* ---------- Support FAQ ---------- */
.faq { margin-top: 1.5rem; border-top: 1px solid var(--line-soft); }
.faq details {
  border-bottom: 1px solid var(--line-soft);
  padding: 0.4rem 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2.4rem 1rem 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.06rem;
  position: relative;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.3rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform 0.3s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 1rem; color: var(--ink-dim); }

.contact-card {
  margin-top: 2.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  align-items: center;
  justify-content: space-between;
}
.contact-card .ct-head {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}
.contact-card .mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-links .hide-sm { display: none; }
  .toc ol { columns: 1; }
}