/* Afrohouse.ai — Phase II
   Mobile-first • Performance-first • Accessibility-first
   No frameworks. No inline CSS. Strict CSP compatible.
*/

:root {
  /* Brand */
  --c-bg: #0F0F1A;
  --c-bg-2: #0B0B14;
  --c-surface: rgba(255, 255, 255, 0.06);
  --c-surface-2: rgba(255, 255, 255, 0.09);
  --c-border: rgba(255, 255, 255, 0.12);
  --c-border-strong: rgba(0, 255, 255, 0.28);
  --c-text: rgba(255, 255, 255, 0.94);
  --c-muted: rgba(255, 255, 255, 0.72);
  --c-dim: rgba(255, 255, 255, 0.58);

  --c-cyan: #00FFFF;
  --c-magenta: #FF00FF;

  /* Type scale (fluid) */
  --fs-0: clamp(0.92rem, 0.20vw + 0.88rem, 1.00rem);
  --fs-1: clamp(1.05rem, 0.35vw + 0.98rem, 1.18rem);
  --fs-2: clamp(1.22rem, 0.55vw + 1.10rem, 1.42rem);
  --fs-3: clamp(1.45rem, 0.95vw + 1.20rem, 1.95rem);
  --fs-4: clamp(1.85rem, 2.00vw + 1.20rem, 2.75rem);
  --fs-5: clamp(2.40rem, 4.00vw + 1.10rem, 4.20rem);

  /* Spacing */
  --s-1: 6px;
  --s-2: 10px;
  --s-3: 14px;
  --s-4: 18px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 44px;
  --s-8: 64px;

  /* Radii */
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;

  /* Shadows */
  --shadow-1: 0 10px 28px rgba(0,0,0,0.35);
  --shadow-2: 0 20px 60px rgba(0,0,0,0.55);

  /* Layout */
  --container: 1120px;
  --nav-h: 72px;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: var(--fs-1);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.modal-open { overflow: hidden; }

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 3px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 10px;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: var(--s-3);
  left: var(--s-3);
  padding: 10px 12px;
  background: rgba(0,0,0,0.85);
  border: 1px solid var(--c-border-strong);
  border-radius: 999px;
  z-index: 1000;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: grid;
  align-items: center;
  background: rgba(15, 15, 26, 0.70);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.brand {
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.98rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: radial-gradient(12px 12px at 30% 30%, rgba(0,255,255,0.65), transparent 60%),
              radial-gradient(16px 16px at 70% 70%, rgba(255,0,255,0.60), transparent 62%),
              linear-gradient(135deg, rgba(255,0,255,0.22), rgba(0,255,255,0.18));
  border: 1px solid rgba(255,255,255,0.14);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--c-text);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-toggle .bar {
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,0.80);
  box-shadow: 0 6px 0 rgba(255,255,255,0.80), 0 -6px 0 rgba(255,255,255,0.80);
  border-radius: 2px;
}

.site-nav {
  position: fixed;
  inset: var(--nav-h) 0 auto 0;
  background: rgba(11, 11, 20, 0.98);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav[data-open="true"] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 12px 16px 18px 16px;
  display: grid;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
}

.nav-link:hover {
  text-decoration: none;
  border-color: rgba(0,255,255,0.24);
}

@media (min-width: 920px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    inset: auto;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    background: transparent;
    border: 0;
    transition: none;
  }
  .nav-list {
    display: flex;
    padding: 0;
    gap: 10px;
  }
  .nav-link {
    border-radius: 999px;
    padding: 10px 14px;
    background: transparent;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 50% 35%, rgba(0,255,255,0.13), transparent 60%),
    radial-gradient(1200px 600px at 50% 65%, rgba(255,0,255,0.11), transparent 65%),
    linear-gradient(to bottom, rgba(15,15,26,0.20), rgba(15,15,26,0.92));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 16px;
  text-align: center;
  width: min(960px, 100%);
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 0.78rem;
  color: var(--c-muted);
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 12px 0;
  font-size: var(--fs-5);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--c-magenta), var(--c-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-wrap: balance;
}

.hero p {
  margin: 0 auto 14px auto;
  color: rgba(255,255,255,0.88);
  max-width: 64ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: transparent;
  color: var(--c-cyan);
  border-color: rgba(0,255,255,0.60);
}
.btn-primary:hover { background: rgba(0,255,255,0.12); }

.btn-secondary {
  background: transparent;
  color: var(--c-magenta);
  border-color: rgba(255,0,255,0.55);
}
.btn-secondary:hover { background: rgba(255,0,255,0.12); }

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
  border-color: rgba(255,255,255,0.14);
}
.btn-ghost:hover { background: rgba(255,255,255,0.10); }

.section {
  padding: var(--s-8) 0;
}

.section.alt { background: var(--c-bg-2); }

.section-head {
  text-align: center;
  margin-bottom: var(--s-6);
}

.section-head h2 {
  margin: 0 0 10px 0;
  font-size: var(--fs-4);
  letter-spacing: 0.01em;
  text-transform: none;
}

.section-head p {
  margin: 0 auto;
  max-width: 72ch;
  color: var(--c-muted);
}

.grid {
  display: grid;
  gap: var(--s-5);
}

.grid.cols-3 { grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1060px) {
  .grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card {
  background: var(--c-surface);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--c-border-strong);
  background: var(--c-surface-2);
}

.card-body {
  padding: var(--s-5);
}

.card h3 {
  margin: 0 0 10px 0;
  font-size: var(--fs-2);
}

.card p {
  margin: 0 0 16px 0;
  color: var(--c-muted);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Featured player (click-to-load, privacy-first) */
.featured {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.featured-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--s-5);
}

@media (min-width: 820px) {
  .featured-head {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.featured-title {
  display: grid;
  gap: 4px;
}

.featured-title strong { font-size: var(--fs-2); }

.ratio {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.ratio > .slot { position: absolute; inset: 0; width: 100%; height: 100%; }

.ratio iframe, .ratio img, .ratio button {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.play-overlay {
  display: grid;
  place-items: center;
  background: radial-gradient(400px 220px at 50% 45%, rgba(0,255,255,0.12), transparent 70%),
              linear-gradient(to bottom, rgba(0,0,0,0.25), rgba(0,0,0,0.75));
  border: 0;
  cursor: pointer;
  color: rgba(255,255,255,0.95);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.play-overlay .play-pill {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.20);
  background: rgba(0,0,0,0.55);
  box-shadow: var(--shadow-2);
}

/* Manifesto */
.manifesto {
  max-width: 82ch;
  margin: 0 auto;
  color: rgba(255,255,255,0.90);
}

/* Form */
.form {
  width: min(480px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

label { font-weight: 700; font-size: var(--fs-0); color: rgba(255,255,255,0.78); }

.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
}

.input::placeholder { color: rgba(255,255,255,0.55); }

.input:focus-visible {
  outline: 3px solid rgba(0,255,255,0.45);
  outline-offset: 2px;
}

/* Stats */
.stat {
  padding: var(--s-5);
  text-align: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(0,255,255,0.24);
  border-radius: var(--r-lg);
}

.stat strong {
  display: block;
  font-size: var(--fs-3);
  margin-bottom: 6px;
}

.stat span { color: var(--c-muted); }

/* Footer */
.site-footer {
  padding: 26px 0;
  border-top: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
  color: rgba(255,255,255,0.70);
  font-size: var(--fs-0);
}

.footer-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

@media (min-width: 720px) {
  .footer-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Modal (accessible, no dependencies) */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.78);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}

.modal[aria-hidden="false"] { display: flex; }

.modal-panel {
  width: min(980px, 100%);
  background: #0B0B14;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.modal-title {
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: var(--fs-1);
}

.modal-close {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.90);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
}

.modal-body { padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
  .btn, .card, .site-nav { transition: none; }
  .card:hover { transform: none; }
}

/* Utilities (CSP-safe: classes, no inline styles) */
.muted { color: var(--c-muted); }
.dim { color: var(--c-dim); }
.fineprint { color: rgba(255,255,255,0.62); font-size: var(--fs-0); }
.spacer-sm { height: 18px; }
.mt-sm { margin-top: 18px; }

.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
.modal-actions { display: flex; gap: 10px; align-items: center; }

.mb-md { margin-bottom: 14px; }