/* Ultimate Dark Tower — landing page styles.
   Linked from index.template.html; deployed alongside the generated index.html.
   Relative url()s resolve from the site root (styles.css sits beside index.html). */

/* Azkols Kerning — the official Return to Dark Tower title face,
   shipped with the tower-controller app. Self-hosted from ./media/fonts. */
@font-face {
  font-family: 'Azkols Kerning';
  src:
    url('./media/fonts/azkolskerning7-webfont.woff2') format('woff2'),
    url('./media/fonts/azkolskerning7-webfont.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0a0810;
  --bg-2: #0f0b18;
  --panel: #15111f;
  --panel-2: #1c1630;
  --line: #2b2340;
  --line-soft: #221b33;
  --gold: #c9a227;
  --gold-bright: #ecca6b;
  --purple: #7b5cff;
  --purple-bright: #a58dff;
  --text: #efeaf7;
  --muted: #a49bba;
  --muted-2: #7d7595;
  /* Status accents — legible on obsidian, distinct from each other */
  --released: #64d29b;
  --beta: #a58dff;
  --alpha: #e6a13c;
  --maxw: 1180px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family:
    'Archivo',
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
}

/* ── Atmosphere: film grain + vignette, fixed over everything ────────── */
.grain,
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9;
}
.grain {
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.vignette {
  background: radial-gradient(120% 80% at 50% 0%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
  z-index: 1;
}

/* ── Glyphs via CSS mask (recolorable) ──────────────────────────────── */
.glyph {
  display: inline-block;
  background: currentColor;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.g-battle {
  -webkit-mask-image: url('./media/glyphs/battle.svg');
  mask-image: url('./media/glyphs/battle.svg');
}
.g-banner {
  -webkit-mask-image: url('./media/glyphs/banner.svg');
  mask-image: url('./media/glyphs/banner.svg');
}
.g-cleanse {
  -webkit-mask-image: url('./media/glyphs/cleanse.svg');
  mask-image: url('./media/glyphs/cleanse.svg');
}
.g-quest {
  -webkit-mask-image: url('./media/glyphs/quest.svg');
  mask-image: url('./media/glyphs/quest.svg');
}
.g-reinforce {
  -webkit-mask-image: url('./media/glyphs/reinforce.svg');
  mask-image: url('./media/glyphs/reinforce.svg');
}

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  /* Near-black so the tower photo (also shot on black) blends seamlessly — a
     subtle purple/gold bloom for depth, and a faint board texture only at the
     very bottom edge for context. */
  background:
    radial-gradient(80% 55% at 50% 30%, rgba(123, 92, 255, 0.18), transparent 60%),
    radial-gradient(46% 42% at 50% 40%, rgba(201, 162, 39, 0.13), transparent 66%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 58%, #0c0a15 100%);
}
.hero-bg::after {
  /* The real board + tower, zoomed onto the map and kept subtle. A slow drift
     gives it life (the "gif" feel) without pulling focus from the emblem. Masked
     so the centre — behind the title — stays calm while the board reads toward the
     lower half. Overscanned (inset: -8%) so the drift never reveals a hard edge. */
  content: '';
  position: absolute;
  inset: -8%;
  background: url('./media/background.jpg') center 70% / 150% auto no-repeat;
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(130% 100% at 50% 30%, transparent 20%, #000 72%);
  mask-image: radial-gradient(130% 100% at 50% 30%, transparent 20%, #000 72%);
  animation: heroDrift 46s ease-in-out infinite alternate;
}

/* Brutal Warlord standing sentinel over the board — faded low so it reads as
   atmosphere, not a focal point; graded warm to sit with the gold/purple palette
   and feathered top+bottom so the figure melts out of the dark. */
.hero-warlord {
  position: absolute;
  bottom: 0;
  left: max(0.5rem, calc(50% - 32rem));
  height: min(72vh, 34rem);
  width: auto;
  z-index: -1;
  opacity: 0.3;
  filter: sepia(0.3) saturate(1.12) brightness(1.05) contrast(1.03)
    drop-shadow(0 0 26px rgba(0, 0, 0, 0.5));
  -webkit-mask-image: linear-gradient(180deg, transparent 3%, #000 33%, #000 93%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 3%, #000 33%, #000 93%, transparent 100%);
  pointer-events: none;
  user-select: none;
}

@keyframes heroDrift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.09) translate3d(0, -1.6%, 0);
  }
}

/* Decorative gold filigree divider opening the apps section — echoes the board's
   ring border (thin parallel lines fading at the ends + a central angular
   ornament). */
.section-rule {
  display: block;
  width: min(880px, 84%);
  height: auto;
  margin: 1.5rem auto 0;
  opacity: 0.92;
  pointer-events: none;
  filter: drop-shadow(0 0 6px rgba(201, 162, 39, 0.28));
}
.section-rule + .group {
  margin-top: 3rem;
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: 0.72rem;
  color: var(--gold-bright);
  /* Sit higher up, with clear air between it and the rotating drum below */
  margin: 0 0 2.6rem 0.42em;
  opacity: 0.9;
}

/* Emblem: the tower + a rotating ring of drum glyphs */
.emblem {
  --size: min(370px, 74vw);
  --r: 172px;
  position: relative;
  width: var(--size);
  height: var(--size);
  display: grid;
  place-items: center;
  margin: 0.4rem 0 0.6rem;
}
.emblem .halo {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  /* Soft bloom — kept low so it lights the air around the tower, not a disc
     behind its black margins. */
  background: radial-gradient(
    circle,
    rgba(201, 162, 39, 0.22),
    rgba(123, 92, 255, 0.12) 48%,
    transparent 72%
  );
  filter: blur(10px);
}
.emblem .track {
  position: absolute;
  width: calc(var(--r) * 2 + 46px);
  height: calc(var(--r) * 2 + 46px);
  border-radius: 50%;
  border: 1px solid rgba(201, 162, 39, 0.16);
  box-shadow:
    inset 0 0 40px rgba(123, 92, 255, 0.08),
    0 0 30px rgba(0, 0, 0, 0.4);
}
.emblem .tower {
  position: relative;
  height: calc(var(--size) * 1.04);
  width: auto;
  max-width: 100%;
  /* Photo of the real tower. Its edges are feathered to transparent in the PNG
     itself (a baked elliptical vignette), so it melts into the hero's dark with
     no photo rectangle — regardless of the glow behind it. */
  filter: contrast(1.09) brightness(1.16) saturate(1.16);
  z-index: 2;
  pointer-events: none;
}
.ring {
  position: absolute;
  inset: 0;
  z-index: 1;
  animation: spin 60s linear infinite;
}
.ring .glyph {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 46px;
  margin: -23px 0 0 -20px;
  color: var(--gold);
  opacity: 0.82;
  filter: drop-shadow(0 0 7px rgba(201, 162, 39, 0.55));
  transform: rotate(var(--a)) translateY(calc(-1 * var(--r)));
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

h1 {
  font-family: 'Azkols Kerning', 'Cinzel Decorative', 'Cinzel', serif;
  font-weight: normal;
  font-size: clamp(2.9rem, 8.4vw, 5.9rem);
  line-height: 0.98;
  letter-spacing: 0.005em;
  margin: 0.2rem 0 0;
  background: linear-gradient(
    180deg,
    #fff 0%,
    var(--gold-bright) 46%,
    var(--gold) 78%,
    #8a6f18 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 30px rgba(201, 162, 39, 0.25);
}
h1 .sub {
  display: block;
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: 0.32em;
  letter-spacing: 0.34em;
  margin-top: 0.7rem;
  color: var(--purple-bright);
  background: none;
  -webkit-text-fill-color: var(--purple-bright);
  text-shadow: 0 0 18px rgba(123, 92, 255, 0.4);
}
.tagline {
  max-width: 40rem;
  margin: 1.3rem auto 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
}
.tagline em {
  color: var(--text);
  font-style: italic;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  justify-content: center;
  margin-top: 1.6rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.86rem;
  color: var(--muted);
}
.stats b {
  color: var(--gold-bright);
  font-weight: 600;
}
.stats .sep {
  color: var(--line);
}
/* The counts that have a section to jump to. Dashed rule marks them tappable
   without lighting up the hero; "published to npm" has no target and stays flat. */
.stats a {
  color: inherit;
  text-decoration: none;
  padding-bottom: 0.15em;
  /* --line is near-invisible over the hero art; key off the text instead. */
  border-bottom: 1px dashed color-mix(in srgb, var(--muted) 55%, transparent);
  transition:
    color 0.15s,
    border-color 0.15s;
}
.stats a:hover {
  color: var(--text);
  border-bottom-color: var(--gold);
}
.stats a:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

.scroll-cue {
  margin-top: 2.6rem;
  color: var(--muted-2);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  animation: bob 2.4s var(--ease) infinite;
}
.scroll-cue span {
  font-size: 1rem;
  letter-spacing: 0;
}
@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

/* ── Sections ────────────────────────────────────────────────────────── */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.5rem 2rem;
  position: relative;
  z-index: 2;
}
.group {
  margin: 4.5rem 0 0;
  scroll-margin-top: 2rem;
}
.group-head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.8rem;
}
.group-head h2 {
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: 0.06em;
  margin: 0;
  white-space: nowrap;
  color: var(--text);
}
.group-head h2 .accent {
  color: var(--gold);
}
.group-head .rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--line) 40%, transparent 100%);
  opacity: 0.5;
}
.group-head .count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted-2);
}
.group-head .glyph {
  width: 26px;
  height: 30px;
  color: var(--gold);
  opacity: 0.9;
  flex: none;
}

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  --accent: var(--alpha);
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(165deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition:
    transform 0.25s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}
.card.status-released {
  --accent: var(--released);
}
.card.status-beta {
  --accent: var(--beta);
}
.card.status-alpha {
  --accent: var(--alpha);
}
.card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.5),
    0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent);
}

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  background: #0c0a13;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition:
    transform 0.4s var(--ease),
    filter 0.4s var(--ease);
  filter: saturate(1.02);
}
.card:hover .card-media img {
  transform: scale(1.045);
}
/* Themed tile for components without a live demo */
.card-media.tile {
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(123, 92, 255, 0.16), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.014) 0 12px, transparent 12px 24px),
    linear-gradient(160deg, #191326, #0f0b18);
}
.card-media.tile .glyph {
  width: 78px;
  height: 90px;
  color: var(--gold);
  opacity: 0.34;
  filter: drop-shadow(0 0 16px rgba(201, 162, 39, 0.28));
  transition: transform 0.4s var(--ease);
}
.card:hover .card-media.tile .glyph {
  transform: scale(1.06) rotate(-3deg);
}
.card-media .tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 8, 16, 0.65) 100%);
  pointer-events: none;
}

.ribbon {
  position: absolute;
  bottom: 0.7rem;
  right: 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(10, 8, 16, 0.72);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  backdrop-filter: blur(6px);
}
.ribbon .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.15rem 1.25rem 1.25rem;
  flex: 1;
}
.card-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}
.card-badge {
  width: 34px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(201, 162, 39, 0.08);
  border: 1px solid var(--line);
  flex: none;
}
.card-badge .glyph {
  width: 18px;
  height: 22px;
  color: var(--gold-bright);
}
.card-title h3 {
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--text);
}
.card-title code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted-2);
}
.ver {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--gold-bright);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(201, 162, 39, 0.06);
  white-space: nowrap;
}
.blurb {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  flex: 1;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-soft);
}
.links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--muted);
  padding: 0.3rem 0.6rem;
  border-radius: 7px;
  border: 1px solid transparent;
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}
.links a:hover {
  color: var(--gold-bright);
  border-color: var(--line);
  background: rgba(201, 162, 39, 0.06);
}
.links a.primary {
  color: var(--gold-bright);
  border-color: color-mix(in srgb, var(--gold) 40%, transparent);
  background: rgba(201, 162, 39, 0.08);
}
.links a.primary:hover {
  background: rgba(201, 162, 39, 0.16);
}
.links a::after {
  content: ' ↗';
  opacity: 0.5;
}
.links a.nolink::after {
  content: '';
}

/* Entrance animation, staggered by the generator via --d */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.7s var(--ease) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── Footer ──────────────────────────────────────────────────────────── */
footer {
  position: relative;
  margin-top: 5rem;
  padding: 3rem 1.5rem 3.5rem;
  text-align: center;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, transparent, rgba(123, 92, 255, 0.05));
}
footer .foot-glyphs {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.4rem;
}
footer .foot-glyphs .glyph {
  width: 22px;
  height: 26px;
  color: var(--gold);
  opacity: 0.4;
}
footer p {
  margin: 0.4rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a {
  color: var(--purple-bright);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
footer .built {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  color: var(--muted-2);
}
footer code {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--gold-bright);
  font-size: 0.82rem;
}

:where(a, button):focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── Reduced motion ──────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ring,
  .scroll-cue,
  .hero-bg::after {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .card,
  .card-media img,
  .card-media .glyph {
    transition: none;
  }
}

@media (max-width: 560px) {
  .emblem {
    --r: 128px;
  }
  .group-head .count {
    display: none;
  }
}