/* iBuild.Games + Paintball Fight - static site styles
   System font stack. Dark base. Paint-splat accents.
   Mobile-first. prefers-reduced-motion respected. */

:root {
  --bg: #0a0c12;
  --bg-elev: #12151f;
  --bg-card: #161a26;
  --bg-soft: #1c2130;
  --text: #f2f4fa;
  --text-muted: #b6bfd4;
  --text-dim: #9aa3b8;
  --border: rgba(255,255,255,0.08);
  --blue: #288cff;
  --yellow: #ffd632;
  --green: #3cdc78;
  --orange: #ff8c28;
  --purple: #b45aff;
  --gold: #ffc83c;
  --focus: #66b3ff;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0,0,0,0.45);
  --nav-h: 68px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #6db3ff; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--yellow); color: #111; padding: 0.75rem 1rem; font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.container-narrow { width: min(100% - 2rem, 760px); margin-inline: auto; }

/* Sticky nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10,12,18,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: -0.02em;
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background:
    radial-gradient(circle at 65% 30%, var(--green) 0 18%, transparent 19%),
    radial-gradient(circle at 30% 70%, var(--orange) 0 18%, transparent 19%),
    radial-gradient(circle at 70% 75%, var(--purple) 0 16%, transparent 17%),
    radial-gradient(circle at 50% 50%, var(--yellow) 0 22%, var(--blue) 23% 55%, #0a0c12 56%);
  flex-shrink: 0;
}
.logo-text span { color: var(--yellow); }
.nav-links {
  display: none; list-style: none; margin: 0; padding: 0; gap: 0.25rem; align-items: center;
}
.nav-links a {
  color: var(--text-muted); text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 0.55rem 0.8rem; border-radius: 999px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--bg-soft); }
.nav-cta { display: none; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-panel {
  display: none; position: absolute; inset: var(--nav-h) 0 auto 0;
  background: rgba(10,12,18,0.97); border-bottom: 1px solid var(--border); padding: 1rem;
}
.nav-panel.open { display: block; }
.nav-panel a {
  display: block; padding: 0.85rem 1rem; color: var(--text); text-decoration: none;
  font-weight: 600; border-radius: var(--radius-sm);
}
.nav-panel a:hover { background: var(--bg-soft); }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 48px; padding: 0.75rem 1.25rem; border-radius: 999px;
  font-weight: 700; font-size: 1rem; text-decoration: none; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: #111; }
.btn-primary:hover { background: #ff9f4a; color: #111; }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-soft); color: var(--text); }
.btn-ghost { background: rgba(255,255,255,0.06); color: var(--text); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: 3rem 0 3.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(40,140,255,0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(255,140,40,0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 100%, rgba(180,90,255,0.12), transparent 50%),
    var(--bg);
}
.hero-grid {
  display: grid; gap: 2rem; align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 2.5rem; }
  .hero { padding: 4.5rem 0 5rem; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--yellow); margin-bottom: 0.85rem;
}
.pill {
  display: inline-block; padding: 0.2rem 0.6rem; border-radius: 999px;
  background: rgba(255,214,50,0.12); border: 1px solid rgba(255,214,50,0.35);
}
h1, .h1 {
  font-family: var(--display); font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.08; margin: 0 0 1rem; font-size: clamp(2.1rem, 5vw, 3.4rem);
}
h2, .h2 {
  font-family: var(--display); font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.15; margin: 0 0 0.85rem; font-size: clamp(1.6rem, 3.2vw, 2.2rem);
}
h3, .h3 {
  font-family: var(--display); font-weight: 750; letter-spacing: -0.02em;
  margin: 0 0 0.5rem; font-size: 1.25rem;
}
.lead { font-size: 1.125rem; color: var(--text-muted); margin: 0 0 1.5rem; max-width: 38rem; }
.hero-art {
  position: relative; border-radius: calc(var(--radius) + 4px); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border); aspect-ratio: 16/9;
  background: var(--bg-elev);
}
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-art-badge {
  position: absolute; left: 1rem; bottom: 1rem;
  background: rgba(10,12,18,0.82); color: var(--text-muted); font-size: 0.75rem;
  font-weight: 600; padding: 0.4rem 0.7rem; border-radius: 999px; border: 1px solid var(--border);
}

/* Sections */
.section { padding: 3.5rem 0; }
.section-alt { background: linear-gradient(180deg, rgba(22,26,38,0.55), transparent); }
.section-head { margin-bottom: 1.75rem; max-width: 40rem; }
.section-head p { color: var(--text-muted); margin: 0; }

.cards { display: grid; gap: 1rem; }
@media (min-width: 700px) { .cards-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } .cards-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.35rem; transition: border-color 0.2s, transform 0.2s var(--ease);
}
.card:hover { border-color: rgba(255,255,255,0.16); transform: translateY(-2px); }
.card-link { color: inherit; text-decoration: none; display: block; height: 100%; }
.card-link:hover { color: inherit; }
.card .meta { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 0.5rem; }
.card p { color: var(--text-muted); margin: 0; }
.accent-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 0.4rem; }
.accent-blue { background: var(--blue); }
.accent-yellow { background: var(--yellow); }
.accent-green { background: var(--green); }
.accent-orange { background: var(--orange); }
.accent-purple { background: var(--purple); }

.feature-grid { display: grid; gap: 1rem; }
@media (min-width: 800px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
.feature {
  display: grid; gap: 0.75rem; grid-template-columns: auto 1fr; align-items: start;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem;
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; color: #111; font-size: 1.1rem;
}
.feature p { margin: 0; color: var(--text-muted); }

.stat-row { display: grid; gap: 0.75rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem; text-align: center;
}
.stat strong { display: block; font-size: 1.45rem; letter-spacing: -0.03em; margin-bottom: 0.2rem; }
.stat span { color: var(--text-dim); font-size: 0.9rem; }

/* Game featured block */
.featured {
  display: grid; gap: 1.5rem; align-items: center;
  background: linear-gradient(135deg, rgba(255,140,40,0.12), rgba(40,140,255,0.08));
  border: 1px solid rgba(255,140,40,0.25); border-radius: calc(var(--radius) + 6px);
  padding: 1.5rem;
}
@media (min-width: 800px) {
  .featured { grid-template-columns: 1.1fr 0.9fr; padding: 2rem; }
}
.featured img { border-radius: var(--radius); width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* Screens / placeholders */
.screen-grid { display: grid; gap: 1rem; }
@media (min-width: 700px) { .screen-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .screen-grid { grid-template-columns: repeat(3, 1fr); } }
.screen-slot {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px dashed rgba(255,255,255,0.2); background: var(--bg-elev); aspect-ratio: 16/9;
}
.screen-slot img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.screen-todo {
  position: absolute; inset: auto 0.75rem 0.75rem 0.75rem;
  background: rgba(10,12,18,0.88); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.55rem 0.7rem; font-size: 0.78rem; color: var(--yellow);
  font-weight: 600;
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0 0; font-size: 0.9rem; color: var(--text-dim);
}
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 0.35rem; color: var(--text-dim); }
.breadcrumbs a { color: var(--text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--text); }

/* Prose for guides */
.prose { max-width: 720px; }
.prose p, .prose li { color: var(--text-muted); }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }
.prose h2 { margin-top: 2.25rem; }
.prose h3 { margin-top: 1.5rem; }
.prose .callout {
  background: var(--bg-card); border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 1rem 1.1rem; margin: 1.5rem 0;
}
.prose .callout p { margin: 0; }
.kbd {
  display: inline-block; min-width: 1.6em; padding: 0.15rem 0.45rem;
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 6px;
  background: var(--bg-soft); color: var(--text); font-size: 0.85em; font-weight: 700;
  text-align: center;
}
.controls-table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; }
.controls-table th, .controls-table td {
  text-align: left; padding: 0.7rem 0.75rem; border-bottom: 1px solid var(--border);
}
.controls-table th { color: var(--text); font-size: 0.9rem; }
.controls-table td { color: var(--text-muted); }

/* FAQ */
.faq details {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.25rem 1rem; margin-bottom: 0.65rem;
}
.faq summary {
  cursor: pointer; font-weight: 700; padding: 0.9rem 0; list-style: none;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--orange); font-size: 1.3rem; font-weight: 700; }
.faq details[open] summary::after { content: "-"; }
.faq details p { margin: 0 0 1rem; color: var(--text-muted); }

/* Forms */
.signup {
  background: linear-gradient(135deg, rgba(40,140,255,0.14), rgba(180,90,255,0.1));
  border: 1px solid rgba(40,140,255,0.28); border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
}
.signup-form { display: grid; gap: 0.75rem; margin-top: 1rem; }
@media (min-width: 600px) {
  .signup-form { grid-template-columns: 1fr auto; align-items: start; }
}
.signup-form input[type="email"] {
  width: 100%; min-height: 48px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); padding: 0.75rem 1.1rem; font-size: 1rem;
}
.form-note { font-size: 0.85rem; color: var(--text-dim); margin: 0.5rem 0 0; }
.todo-badge {
  display: inline-block; margin-left: 0.35rem; padding: 0.1rem 0.45rem;
  background: #ffd632; color: #111; border-radius: 6px;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.03em; vertical-align: middle;
}

/* Guide nav */
.guide-nav {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 0;
}
.guide-nav a {
  text-decoration: none; color: var(--text-muted); background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: 999px; padding: 0.45rem 0.85rem; font-size: 0.9rem; font-weight: 600;
}
.guide-nav a:hover, .guide-nav a[aria-current="page"] { color: var(--text); border-color: rgba(255,255,255,0.2); }

/* Footer */
.site-footer {
  margin-top: 3rem; border-top: 1px solid var(--border);
  background: #080a10; padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid; gap: 2rem;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.site-footer h3 { font-size: 0.95rem; margin-bottom: 0.85rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: var(--text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.footer-brand p { color: var(--text-dim); max-width: 28rem; }
.footer-bottom {
  margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; justify-content: space-between;
  color: var(--text-dim); font-size: 0.9rem;
}
.trademark-note { font-size: 0.8rem; color: var(--text-dim); margin-top: 1.5rem; }

/* Press / fact sheet */
.fact-sheet {
  display: grid; gap: 0.65rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin: 1rem 0 1.5rem;
}
.fact-row { display: grid; gap: 0.25rem; }
@media (min-width: 600px) {
  .fact-row { grid-template-columns: 160px 1fr; gap: 1rem; }
}
.fact-row dt { color: var(--text-dim); font-weight: 600; }
.fact-row dd { margin: 0; color: var(--text); }

.placeholder-legal {
  background: rgba(255,214,50,0.08); border: 1px solid rgba(255,214,50,0.35);
  border-radius: var(--radius); padding: 1.25rem; margin: 1rem 0;
}
.placeholder-legal strong { color: var(--yellow); }

/* 404 */
.page-404 { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 4rem 1rem; }
.page-404 .code { font-size: clamp(4rem, 15vw, 8rem); font-weight: 900; letter-spacing: -0.05em;
  background: linear-gradient(90deg, var(--blue), var(--orange), var(--purple));
  -webkit-background-clip: text; background-clip: text; color: transparent; margin: 0;
}

.updated { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.5rem; }
.tag {
  display: inline-block; padding: 0.2rem 0.55rem; border-radius: 999px;
  background: rgba(255,140,40,0.18); color: #ffb56a; font-size: 0.78rem; font-weight: 700;
}
.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;
}