/* ==========================================================================
   xGenius — Private Alpha splash
   Dark "private intelligence terminal" aesthetic. No external dependencies.

   THEMES
   Every color routes through the custom properties below. The default theme
   is "signal" (black / FPL green). Set data-theme="gold" on <html> for the
   black / gold members' club look — normally done via `theme` in
   js/config.js, or per-visit with ?theme=gold in the URL.
   ========================================================================== */

:root {
  --bg: #05080a;
  --ink: #e8f2ec;
  --ink-dim: #93a89c;
  --ink-faint: #5c6f64;

  /* Accent ("signal") color, plus an RGB triplet for alpha compositing */
  --signal: #00ff87;
  --signal-dim: #00c96b;
  --signal-rgb: 0, 255, 135;
  --signal-glow: rgba(var(--signal-rgb), 0.14);

  /* Tint used for hairlines, grid dots, pitch markings, redactions */
  --tint-rgb: 151, 208, 178;
  --line: rgba(var(--tint-rgb), 0.14);
  --line-strong: rgba(var(--tint-rgb), 0.28);

  /* Surfaces */
  --panel: rgba(6, 12, 9, 0.55);
  --panel-strong: rgba(7, 12, 10, 0.8);
  --card-grad-a: rgba(14, 24, 19, 0.72);
  --card-grad-b: rgba(8, 13, 11, 0.72);

  /* Primary button */
  --btn-grad-a: #14ff93;
  --btn-grad-b: #00d873;
  --btn-ink: #03130b;

  --font-sans: -apple-system, "SF Pro Display", system-ui, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --max-width: 76rem;
}

/* --------------------------------------------------------------------------
   Gold / black "members' club" theme
   -------------------------------------------------------------------------- */

[data-theme="gold"] {
  --bg: #0a0806;
  --ink: #f0e9d8;
  --ink-dim: #a99f88;
  --ink-faint: #6e6552;

  --signal: #e8c360;
  --signal-dim: #c19a3e;
  --signal-rgb: 232, 195, 96;

  --tint-rgb: 214, 186, 130;

  --panel: rgba(14, 11, 6, 0.55);
  --panel-strong: rgba(15, 12, 7, 0.8);
  --card-grad-a: rgba(26, 21, 13, 0.72);
  --card-grad-b: rgba(14, 11, 7, 0.72);

  --btn-grad-a: #f5d97f;
  --btn-grad-b: #caa23f;
  --btn-ink: #161005;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--signal); color: var(--btn-ink); }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

/* ==========================================================================
   Backdrop layers
   ========================================================================== */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.backdrop-glow {
  position: absolute;
  top: -28vh;
  left: 50%;
  width: 130vmax;
  height: 90vh;
  transform: translateX(-50%);
  background: radial-gradient(ellipse 50% 55% at 50% 30%,
              rgba(var(--signal-rgb), 0.13), rgba(var(--signal-rgb), 0.04) 45%,
              transparent 70%);
  animation: glow-breathe 9s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 1.15; }
}

.backdrop-pitch {
  position: absolute;
  inset: 0;
  color: rgba(var(--tint-rgb), 0.05);
}

.backdrop-pitch svg {
  width: 100%;
  height: 100%;
}

.backdrop-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(var(--tint-rgb), 0.10) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 22%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 22%, #000 20%, transparent 75%);
}

.backdrop-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 45%, transparent 55%,
              rgba(0, 0, 0, 0.85) 100%);
}

/* ==========================================================================
   Top bar
   ========================================================================== */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

/* Rounded-square outline, open on the right where the wordmark passes through */
.brand-frame {
  display: inline-flex;
  width: 3.1rem;
  height: 3.1rem;
  flex-shrink: 0;
  color: var(--ink-dim);
}

.brand-frame svg { width: 100%; height: 100%; }

.brand-word {
  font-family: "Arial Rounded MT Bold", "Varela Round", "Quicksand", "Comfortaa",
               ui-rounded, var(--font-sans);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  margin-left: -2.1rem;
  color: var(--ink);
}

.brand-word em {
  font-style: normal;
  color: var(--signal);
}

.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: var(--panel);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
  animation: dot-pulse 2.4s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(4rem, 11vh, 8rem) clamp(1.25rem, 4vw, 2.5rem) clamp(3.5rem, 8vh, 6rem);
  text-align: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--signal-dim);
  margin-bottom: 1.75rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6.5vw, 4.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin-bottom: 1.75rem;
  text-wrap: balance;
}

.hero-title em {
  font-style: normal;
  color: var(--signal);
  text-shadow: 0 0 34px rgba(var(--signal-rgb), 0.35);
}

.hero-sub {
  max-width: 42rem;
  margin: 0 auto 2.75rem;
  font-size: clamp(1.0625rem, 1.9vw, 1.25rem);
  color: var(--ink-dim);
  text-wrap: pretty;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.cta-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 0.95rem 2.4rem;
  border: 0;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn-primary {
  background: linear-gradient(180deg, var(--btn-grad-a), var(--btn-grad-b));
  color: var(--btn-ink);
  box-shadow: 0 0 0 1px rgba(var(--signal-rgb), 0.4),
              0 8px 30px rgba(var(--signal-rgb), 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(var(--signal-rgb), 0.65),
              0 10px 40px rgba(var(--signal-rgb), 0.35);
}

.btn-primary:active { transform: translateY(0); }

/* ==========================================================================
   Signal ticker
   ========================================================================== */

.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
  padding: 0.8rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 52s linear infinite;
}

.ticker:hover .ticker-track { animation-play-state: paused; }

.ticker-group {
  display: flex;
  flex-shrink: 0;
}

.tick {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-dim);
  white-space: nowrap;
  padding: 0 2.2rem;
  border-right: 1px solid var(--line);
}

.tick b {
  color: var(--signal);
  font-weight: 600;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   Pillars
   ========================================================================== */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(4rem, 9vh, 6.5rem) clamp(1.25rem, 4vw, 2.5rem) 0;
}

.card {
  position: relative;
  padding: 2rem 1.75rem 1.9rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--card-grad-a), var(--card-grad-b));
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(var(--signal-rgb), 0.07);
}

.card-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--signal-dim);
  margin-bottom: 1.1rem;
}

.card h2 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.7rem;
}

.card p {
  font-size: 0.96rem;
  color: var(--ink-dim);
}

.card p em {
  font-style: italic;
  color: var(--ink);
}

/* ==========================================================================
   Classified briefing
   ========================================================================== */

.briefing {
  max-width: 46rem;
  margin: clamp(4rem, 9vh, 6.5rem) auto 0;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.briefing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line-strong);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  padding: 0.8rem 1.4rem;
  background: rgba(var(--signal-rgb), 0.05);
}

.briefing-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-dim);
}

.briefing-lock {
  width: 1rem;
  height: 1rem;
  color: var(--ink-faint);
}

.briefing-lock svg { width: 100%; height: 100%; }

.briefing-body {
  border: 1px solid var(--line-strong);
  border-top: 1px dashed var(--line);
  padding: 1.7rem 1.4rem 1.5rem;
  background: var(--panel-strong);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-dim);
}

.redact {
  color: rgba(var(--tint-rgb), 0.32);
  letter-spacing: -0.06em;
  user-select: none;
}

.mono-em {
  color: var(--signal);
  font-weight: 600;
}

.briefing-foot {
  border: 1px solid var(--line-strong);
  border-top: 0;
  border-radius: 0 0 14px 14px;
  padding: 0.75rem 1.4rem;
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: var(--max-width);
  margin: clamp(4rem, 9vh, 6.5rem) auto 0;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  text-align: center;
}

.stat {
  padding: 1.6rem 0.75rem;
  border-top: 1px solid var(--line);
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 700;
  color: var(--signal);
  text-shadow: 0 0 26px rgba(var(--signal-rgb), 0.25);
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* ==========================================================================
   Access
   ========================================================================== */

.access {
  max-width: 40rem;
  margin: clamp(4.5rem, 10vh, 7rem) auto 0;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  text-align: center;
}

.access-title {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.6rem;
  text-wrap: balance;
}

.access-sub {
  color: var(--ink-dim);
  margin-bottom: 1.9rem;
}

.access-form {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
}

.access-form input {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 22rem;
  padding: 0.95rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--panel-strong);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.access-form input::placeholder { color: var(--ink-faint); }

.access-form input:focus {
  outline: none;
  border-color: var(--signal-dim);
  box-shadow: 0 0 0 3px rgba(var(--signal-rgb), 0.12);
}

.access-form .btn { flex-shrink: 0; }

.access-note {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.access-confirmed {
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--signal-dim);
  border-radius: 10px;
  background: rgba(var(--signal-rgb), 0.07);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--signal);
}

/* ==========================================================================
   Footer / PRIVATE ALPHA
   ========================================================================== */

.footer {
  margin-top: clamp(5rem, 12vh, 8.5rem);
  padding: 0 clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
  text-align: center;
  overflow: hidden;
}

.private-alpha {
  font-size: clamp(2rem, 9vw, 8.5rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  background: linear-gradient(180deg, rgba(var(--signal-rgb), 0.55),
              rgba(var(--signal-rgb), 0.04));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
}

.footer-legal {
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  max-width: 34rem;
  margin-inline: auto;
}

/* ==========================================================================
   Single-screen mode (set by main.js when every section below the ticker
   is hidden via `show` in js/config.js): hero fills the viewport, ticker
   pinned to the bottom.
   ========================================================================== */

.single-screen body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

.single-screen .topbar {
  width: 100%;
}

.single-screen main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.single-screen .hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 1rem;
  padding-bottom: 3rem;
}

/* ==========================================================================
   Reveal animation (JS-additive: only applies when html.js is set)
   ========================================================================== */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

html.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .backdrop-glow,
  .badge-dot,
  .ticker-track { animation: none; }
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 56rem) {
  .pillars { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 34rem) {
  .topbar-badge { display: none; }
  .hero-title br { display: none; }
  .briefing-body { font-size: 0.84rem; }
  .access-form { flex-direction: column; align-items: stretch; }
  .access-form input { max-width: none; }
}
