/* =========================================================================
   Homepage cinematic hero (strange-attractor background).
   Markup lives in overrides/home.html (block hero); the WebGL engine lives in
   assets/javascript/hero.js. Everything is scoped under .wsio-hero so it can't
   leak into the rest of the Material theme.
   ========================================================================= */

:root {
  /* WSIO palette (mirrors angular/src/styles/palette.scss) */
  --wsio-black-1: #0a0c0e;
  --wsio-black-2: #19191f;
  --wsio-charcoal: #a9a6b8;
  --wsio-charcoal-2: #69667d;
  --wsio-charcoal-3: #3a3946;
  --wsio-green-50: #e1f7f0;
  --wsio-green-300: #50d0a9;
  --wsio-green-400: #2bc696;
  --wsio-green-500: #05bc84;
  --wsio-green-700: #04ad71;
  --wsio-green-900: #019754;
  --wsio-green-a200: #8fffc6;
  --wsio-green-a400: #5cffac;
  --wsio-green-a700: #42ff9f;
  --wsio-negative: #ff6442;
}

/* The stage: fills the first screen below the (kept) top nav. */
.wsio-hero {
  position: relative;
  /* Own stacking context: keeps the hero's internal layers (vignette/grain/copy
     at z-index 5/6/10) contained, so they can't paint over the mobile nav
     drawer / its overlay (z-index 5) or the sticky header (z-index 4). Without
     this, the hero copy card sat *above* the open drawer. */
  z-index: 1;
  width: 100%;
  height: calc(100vh - var(--wsio-header-h, 3rem));
  min-height: 30rem;
  overflow: hidden;
  background: radial-gradient(
    ellipse at 50% 45%,
    var(--wsio-black-2) 0%,
    var(--wsio-black-1) 65%,
    #050608 100%
  );
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    sans-serif;
}

.wsio-hero #attractor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.wsio-hero #attractor canvas {
  display: block;
  pointer-events: none;
}

/* Subtle film-grain + vignette overlays. */
.wsio-hero .vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(
    ellipse at center,
    transparent 30%,
    rgba(0, 0, 0, 0.7) 100%
  );
  mix-blend-mode: multiply;
}
.wsio-hero .grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.6'/></svg>");
  mix-blend-mode: overlay;
}

/* Copy geared bottom-left, zensical-style. */
.wsio-hero .hero {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  pointer-events: none;
}
.wsio-hero .hero-scrim {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 62%;
  background: linear-gradient(
    to top,
    rgba(8, 10, 12, 0.88) 0%,
    rgba(8, 10, 12, 0.55) 26%,
    rgba(8, 10, 12, 0) 100%
  );
}
.wsio-hero .hero-content {
  position: relative;
  text-align: left;
  margin: 0 0 6vh 5vw;
  max-width: 540px;
  padding: 26px 30px 28px;
  background: rgba(12, 14, 18, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.wsio-hero .hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(5, 188, 132, 0.07);
  border: 1px solid rgba(5, 188, 132, 0.22);
  color: var(--wsio-green-300);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 4px;
  margin-bottom: 18px;
}
.wsio-hero .hero h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: #f3fff8;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}
.wsio-hero .hero h1 em {
  font-style: normal;
  background: linear-gradient(
    135deg,
    var(--wsio-green-a200) 0%,
    var(--wsio-green-500) 60%,
    var(--wsio-green-700) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.wsio-hero .hero-sub {
  margin: 0 0 24px;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--wsio-charcoal);
  line-height: 1.5;
}
.wsio-hero .hero-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-start;
  flex-wrap: wrap;
  pointer-events: auto;
}
.wsio-hero .hero-cta {
  display: inline-block;
  background: var(--wsio-green-500);
  color: #001f12;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}
.wsio-hero .hero-cta:hover {
  background: var(--wsio-green-300);
  transform: translateY(-1px);
}
.wsio-hero .hero-cta.ghost {
  background: transparent;
  color: #eafff5;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.wsio-hero .hero-cta.ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.35);
}

@media (max-width: 720px) {
  .wsio-hero .hero-content {
    margin: 0 16px 4vh;
    padding: 20px 22px 22px;
    max-width: none;
  }
  .wsio-hero .hero h1 {
    font-size: clamp(30px, 8vw, 40px);
  }
}

/* Homepage is the hero and nothing else: collapse the (empty) content column
   so the landing is exactly one screen with no trailing gap. We must NOT hide
   `.md-main` itself — the mobile nav drawer (`.md-sidebar--primary`) lives
   inside it, so `display:none` on this ancestor would make the hamburger menu
   open nothing. Hiding the content column keeps the drawer working. */
body:has(.wsio-hero) .md-content {
  display: none;
}
body:has(.wsio-hero) .md-main {
  min-height: 0;
}
body:has(.wsio-hero) .md-main__inner {
  margin-top: 0;
}
body:has(.wsio-hero) .md-footer {
  display: none;
}

/* Hide the light/dark theme toggle on the homepage only. The cinematic hero is
   always dark, so a "switch to light" control there would clash with it — but
   the toggle stays available on every content page. */
body:has(.wsio-hero) [data-md-component="palette"] {
  display: none;
}

/* The theme reserves a scrollbar track on <html> (`scrollbar-gutter: stable`)
   to avoid layout shift on scrollable pages. The hero never scrolls, so that
   reserved track just shows a white strip on the right against the dark hero.
   Reclaim it on the landing only (content pages keep the stable gutter). */
html:has(.wsio-hero) {
  scrollbar-gutter: auto;
}