/* GeomStorm marketing site — "the site is the arena"
   Vector-phosphor: black field, luminous wireframes, HUD mono labels.
   Colors are lifted from the game defs (see docs/ design record). */

/* ---------- fonts (self-hosted) ---------- */
@font-face {
  font-family: 'Clash Display';
  src: url('../fonts/ClashDisplay-Variable.woff2') format('woff2');
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- system ---------- */
:root {
  --bg: #050508;
  --bg-2: #0a0a12;
  --line: rgba(160, 200, 255, 0.10);
  --line-faint: rgba(160, 200, 255, 0.05);

  --text: #eaf2ff;            /* player-ship white */
  --text-dim: rgba(234, 242, 255, 0.60);
  --text-faint: rgba(234, 242, 255, 0.32);

  --cyan: #40e6ff;            /* chaser / arena boundary */
  --geom: #59ff8c;            /* geom pickup tint — ContentDb default */
  --purple: #b54aff;          /* weaver */
  --amber: #ff9400;           /* ambusher */
  --pink: #ff2e78;            /* splitter */
  --yellow: #fff240;          /* dodger */

  --font-display: 'Clash Display', 'Avenir Next Condensed', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1120px;
}

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

/* smooth only for in-page anchor clicks — initial fragment loads jump instantly */
html:focus-within { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(64, 230, 255, 0.25); color: var(--text); }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- HUD primitives ---------- */
.hud-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.hud-label .tick { color: var(--cyan); }

/* corner brackets — arcade HUD framing */
.brackets { position: relative; }
.brackets::before, .brackets::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  pointer-events: none;
}
.brackets::before {
  top: 0; left: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.brackets::after {
  bottom: 0; right: 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px 0;
  transition: background 0.35s var(--ease-out), padding 0.35s var(--ease-out),
              border-color 0.35s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  padding: 10px 0;
  background: rgba(5, 5, 8, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line-faint);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--text);
}
.wordmark:hover { text-decoration: none; }
.wordmark em { font-style: normal; color: var(--cyan); }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-nav a.pill {
  color: var(--geom);
  border: 1px solid rgba(89, 255, 140, 0.35);
  padding: 7px 14px;
}
.site-nav a.pill:hover {
  background: rgba(89, 255, 140, 0.08);
  box-shadow: 0 0 18px rgba(89, 255, 140, 0.25);
}
@media (max-width: 640px) {
  .site-nav { gap: 16px; }
  .site-nav a.hide-mobile { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 1100px);
  display: flex;
  align-items: center;
  overflow: hidden;
  /* static fallback atmosphere (also sits under the canvas) */
  background:
    radial-gradient(ellipse 70% 50% at 30% 25%, rgba(64, 230, 255, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 55% 60% at 78% 75%, rgba(181, 74, 255, 0.05) 0%, transparent 60%),
    var(--bg);
}
#arena {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero::after {
  /* vignette so type always sits on near-black */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 50% 45%, transparent 45%, rgba(5, 5, 8, 0.85) 100%),
    linear-gradient(to bottom, rgba(5,5,8,0.35), transparent 30%, transparent 70%, var(--bg) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 96px;
}
.hero-inner .hud-label { color: var(--text-dim); }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(2.6rem, 12.5vw, 10.5rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
  margin: 20px 0 26px;
  text-transform: uppercase;
}
.hero h1 .storm {
  color: var(--cyan);
  text-shadow:
    0 0 18px rgba(64, 230, 255, 0.55),
    0 0 60px rgba(64, 230, 255, 0.28);
}
@media (max-width: 480px) {
  .hero h1 { font-size: 11vw; letter-spacing: 0; }
}
.hero .tagline {
  font-family: var(--font-display);
  font-weight: 450;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 18px;
}
.hero .tagline .x { color: var(--geom); }
.hero .sub {
  max-width: 52ch;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 40px;
}
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 15px 28px;
  border: 1px solid;
  transition: box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-out),
              transform 0.3s var(--ease-out);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-geom {
  color: #04120a;
  background: var(--geom);
  border-color: var(--geom);
  box-shadow: 0 0 24px rgba(89, 255, 140, 0.35);
}
.btn-geom:hover {
  box-shadow: 0 0 44px rgba(89, 255, 140, 0.55);
  background: #7dffa6;
}
.btn-ghost {
  color: var(--text-dim);
  border-color: var(--line);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-faint); }
.hero-cta .note { flex-basis: 100%; }

/* entry stagger */
.rise {
  opacity: 0;
  transform: translateY(26px);
  animation: rise 0.9s var(--ease-out) forwards;
}
.rise.d1 { animation-delay: 0.08s; }
.rise.d2 { animation-delay: 0.2s; }
.rise.d3 { animation-delay: 0.34s; }
.rise.d4 { animation-delay: 0.5s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1; transform: none; }
}

/* ---------- sections ---------- */
section { padding: 110px 0; }
section.tight { padding: 70px 0; }
.section-head { margin-bottom: 56px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-top: 14px;
}
.section-head p {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--text-dim);
  font-size: 0.95rem;
}
@media (max-width: 720px) {
  /* authored line breaks are for wide layouts; let narrow screens wrap naturally */
  .section-head h2 br { display: none; }
}

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(22px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ?capture screenshot hook — everything visible, nothing animated */
html.capture .reveal, html.capture .rise {
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
  transition: none !important;
}

/* ---------- core loop ---------- */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}
.loop-step {
  background: var(--bg);
  padding: 40px 32px 44px;
}
.loop-step .num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.6rem;
  color: var(--text-faint);
  display: block;
  margin-bottom: 18px;
}
.loop-step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.loop-step:nth-child(2) h3 { color: var(--geom); }
.loop-step:nth-child(3) h3 { color: var(--pink); }
.loop-step p { color: var(--text-dim); font-size: 0.9rem; }
@media (max-width: 800px) {
  .loop-grid { grid-template-columns: 1fr; }
}
.pull {
  margin-top: 64px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 3.2vw, 2.4rem);
  line-height: 1.2;
  max-width: 24ch;
}
.pull .geom-word { color: var(--geom); }

/* ---------- enemies ---------- */
.enemy-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .enemy-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .enemy-grid { grid-template-columns: repeat(2, 1fr); } }
.enemy-card {
  border: 1px solid var(--line-faint);
  padding: 30px 20px 26px;
  text-align: center;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out),
              transform 0.3s var(--ease-out);
}
.enemy-card svg { width: 64px; height: 64px; margin-bottom: 18px; overflow: visible; }
.enemy-card svg .shape {
  fill: none;
  stroke-width: 2;
  transition: filter 0.3s var(--ease-out);
}
.enemy-card h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.enemy-card p { font-size: 0.8rem; line-height: 1.6; color: var(--text-dim); }
.enemy-card:hover { transform: translateY(-4px); }
.enemy-card[data-hue="cyan"]   h3 { color: var(--cyan); }
.enemy-card[data-hue="purple"] h3 { color: var(--purple); }
.enemy-card[data-hue="amber"]  h3 { color: var(--amber); }
.enemy-card[data-hue="pink"]   h3 { color: var(--pink); }
.enemy-card[data-hue="yellow"] h3 { color: var(--yellow); }
.enemy-card[data-hue="cyan"]   svg { filter: drop-shadow(0 0 7px rgba(64,230,255,0.6)); }
.enemy-card[data-hue="purple"] svg { filter: drop-shadow(0 0 7px rgba(181,74,255,0.6)); }
.enemy-card[data-hue="amber"]  svg { filter: drop-shadow(0 0 7px rgba(255,148,0,0.6)); }
.enemy-card[data-hue="pink"]   svg { filter: drop-shadow(0 0 7px rgba(255,46,120,0.6)); }
.enemy-card[data-hue="yellow"] svg { filter: drop-shadow(0 0 7px rgba(255,242,64,0.6)); }
.enemy-card[data-hue="cyan"]:hover   { border-color: rgba(64,230,255,0.4);  box-shadow: 0 0 30px rgba(64,230,255,0.12); }
.enemy-card[data-hue="purple"]:hover { border-color: rgba(181,74,255,0.4);  box-shadow: 0 0 30px rgba(181,74,255,0.12); }
.enemy-card[data-hue="amber"]:hover  { border-color: rgba(255,148,0,0.4);   box-shadow: 0 0 30px rgba(255,148,0,0.12); }
.enemy-card[data-hue="pink"]:hover   { border-color: rgba(255,46,120,0.4);  box-shadow: 0 0 30px rgba(255,46,120,0.12); }
.enemy-card[data-hue="yellow"]:hover { border-color: rgba(255,242,64,0.4);  box-shadow: 0 0 30px rgba(255,242,64,0.12); }

/* ---------- features ---------- */
.feature-rows { border-top: 1px solid var(--line-faint); }
.feature-row {
  display: grid;
  grid-template-columns: minmax(180px, 5fr) 7fr;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-faint);
}
.feature-row h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.25;
}
.feature-row p { color: var(--text-dim); font-size: 0.9rem; max-width: 60ch; }
.feature-row.headline h3 { color: var(--geom); font-size: 1.6rem; }
@media (max-width: 720px) {
  .feature-row { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- screenshots ---------- */
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 800px) { .shots { grid-template-columns: 1fr; max-width: 380px; } }
.shot-frame {
  aspect-ratio: 19.5 / 9;
  border: 1px dashed rgba(160, 200, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(64,230,255,0.04), transparent 70%),
    var(--bg-2);
}
.shot-frame span { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-faint);
  padding: 56px 0 64px;
  font-size: 0.78rem;
  color: var(--text-faint);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 48px;
  justify-content: space-between;
  align-items: baseline;
}
.site-footer nav { display: flex; gap: 28px; }
.site-footer a { color: var(--text-dim); font-size: 0.78rem; }
.site-footer a:hover { color: var(--text); }

/* ---------- prose pages (privacy / support) ---------- */
.page {
  padding: 170px 0 90px;
  max-width: 720px;
}
.page > .hud-label { margin-bottom: 14px; }
.page h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page .meta { color: var(--text-faint); font-size: 0.8rem; margin-bottom: 48px; }
.page h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 52px 0 16px;
  color: var(--cyan);
}
.page p, .page li { color: var(--text-dim); font-size: 0.92rem; margin-bottom: 16px; }
.page ul { padding-left: 22px; margin-bottom: 16px; }
.page li { margin-bottom: 8px; }
.page strong { color: var(--text); font-weight: 500; }
.page .callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--geom);
  padding: 18px 22px;
  margin: 28px 0;
}
.page .callout p { margin: 0; }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line-faint);
  padding: 4px 0;
}
.faq details:first-of-type { border-top: 1px solid var(--line-faint); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: var(--font-display);
  color: var(--cyan);
  font-size: 1.2rem;
  line-height: 1;
  transition: transform 0.25s var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 20px; margin: 0; }