/* ============================================================================
   $KARDASHEV — The Ascension
   Design system: isometric, vibrant, edutainment (Kurzgesagt-meets-idle-game)
   ========================================================================== */

/* ---------- Design tokens ------------------------------------------------- */
:root {
  /* Core palette — vivid flat edutainment */
  --ink:        #0c1226;   /* deep space navy (text on light) */
  --ink-soft:   #2b3354;
  --cloud:      #f4f7fb;   /* near-white */
  --paper:      #ffffff;

  /* Tier accent colors (one per Kardashev type) */
  --t0:  #67c98f;   /* Type 0  — earthy green   */
  --t0b: #2f9e63;
  --t1:  #34b3f1;   /* Type I  — planetary blue */
  --t1b: #1f7fd6;
  --t2:  #ffb43d;   /* Type II — stellar gold   */
  --t2b: #ff8a2b;
  --t3:  #c061f5;   /* Type III— galactic violet*/
  --t3b: #7b3ff2;

  --energy:     #fff04d;   /* energy glow yellow */
  --energy-hot: #ffd000;
  --hazard:     #ff5470;   /* pollution / danger */

  /* Section background gradients (ascending) */
  --bg-hero:  radial-gradient(120% 120% at 70% 10%, #20305e 0%, #0c1226 60%, #070a18 100%);
  --bg-idea:  linear-gradient(180deg, #0e9f6e 0%, #57c98a 100%);
  --bg-types: linear-gradient(180deg, #0b1430 0%, #141d44 100%);
  --bg-now:   linear-gradient(180deg, #102a4d 0%, #0a1b38 100%);
  --bg-game:  radial-gradient(130% 100% at 50% -10%, #1a1140 0%, #0a0a1f 70%);
  --bg-token: linear-gradient(180deg, #0c1226 0%, #1a1140 100%);

  --shadow-soft: 0 18px 40px -18px rgba(7, 10, 24, .55);
  --shadow-card: 0 24px 60px -24px rgba(7, 10, 24, .7);
  --radius: 22px;
  --radius-sm: 14px;

  --font-display: "Space Grotesk", "Poppins", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, -apple-system, sans-serif;
  --maxw: 1180px;
}

/* ---------- Reset --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--cloud);
  background: #070a18;
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.05; margin: 0 0 .4em; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; }
::selection { background: var(--energy); color: var(--ink); }

/* ---------- Layout helpers ------------------------------------------------ */
.section { position: relative; padding: clamp(64px, 10vw, 140px) 24px; overflow: hidden; }
.wrap { max-width: var(--maxw); margin: 0 auto; position: relative; z-index: 2; }
.center { text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; font-size: .72rem;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16);
  margin-bottom: 18px;
}
.lead { font-size: clamp(1.05rem, 2.2vw, 1.32rem); color: rgba(255,255,255,.82); max-width: 62ch; }
.muted { color: rgba(255,255,255,.6); }

h2.h-display { font-size: clamp(2rem, 5.4vw, 3.6rem); }
h1.hero-title { font-size: clamp(3rem, 12vw, 8rem); }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================================
   NAVBAR
   ========================================================================== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(7,10,24,.75), rgba(7,10,24,0));
  transition: background .3s;
}
.nav.scrolled { background: rgba(7,10,24,.86); box-shadow: 0 1px 0 rgba(255,255,255,.06); }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.brand .dot { width: 26px; height: 26px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--energy), var(--t2b) 60%, var(--t3b)); box-shadow: 0 0 18px var(--energy-hot); }
.brand b { background: linear-gradient(90deg, var(--t1), var(--t2), var(--t3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 26px; align-items: center; font-size: .92rem; font-weight: 500; }
.nav-links a { opacity: .8; transition: opacity .2s; }
.nav-links a:hover { opacity: 1; }
.nav-cta {
  padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: .9rem;
  background: linear-gradient(90deg, var(--t2), var(--t2b)); color: var(--ink);
  box-shadow: 0 8px 22px -8px var(--t2b); transition: transform .15s;
  white-space: nowrap; flex-shrink: 0;
}
.nav-cta:hover { transform: translateY(-2px); }
.nav-burger { display: none; background: none; color: #fff; font-size: 1.5rem; }
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
}
@media (max-width: 560px) {
  .nav { padding: 11px 14px; gap: 10px; }
  .brand { font-size: 1rem; }
  .brand .dot { width: 22px; height: 22px; }
  .nav-cta { font-size: .76rem; padding: 8px 13px; }
  .nav-burger { font-size: 1.3rem; }
}

/* ============================================================================
   HERO
   ========================================================================== */
.hero {
  min-height: 100vh; display: grid; place-items: center; text-align: center;
  background: var(--bg-hero); padding-top: 120px;
}
.starfield { position: absolute; inset: 0; z-index: 0; }
.star { position: absolute; border-radius: 50%; background: #fff; animation: twinkle 4s infinite ease-in-out; }
@keyframes twinkle { 0%,100%{opacity:.25} 50%{opacity:1} }
.hero .wrap { z-index: 3; }
.hero-ticker {
  display: inline-flex; gap: 8px; align-items: center;
  font-family: var(--font-display); letter-spacing: .12em; text-transform: uppercase;
  font-size: .8rem; padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); margin-bottom: 28px;
}
.hero-title b { background: linear-gradient(92deg, var(--t1) 0%, var(--t2) 50%, var(--t3) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(1.1rem, 2.6vw, 1.5rem); color: rgba(255,255,255,.85); max-width: 52ch; margin: 18px auto 8px; }
.hero-line { color: rgba(255,255,255,.55); font-size: 1rem; margin-bottom: 34px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 15px 26px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  transition: transform .15s, box-shadow .2s; will-change: transform;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: linear-gradient(92deg, var(--t2), var(--t2b)); color: var(--ink); box-shadow: 0 14px 34px -12px var(--t2b); }
.btn-ghost { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); color: #fff; }
.btn-glow { background: linear-gradient(92deg, var(--t3), var(--t3b)); color: #fff; box-shadow: 0 14px 34px -12px var(--t3b); }

/* Floating hero planet */
.hero-orbit { margin: 46px auto 0; width: min(340px, 70vw); aspect-ratio: 1; position: relative; }
.hero-orbit .planet { width: 100%; animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-16px) } }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; opacity: .6; animation: bob 2s infinite; }
@keyframes bob { 0%,100%{ transform: translate(-50%,0) } 50%{ transform: translate(-50%,8px) } }

/* ============================================================================
   "ONE IDEA" SECTION (green)
   ========================================================================== */
.idea { background: var(--bg-idea); color: var(--ink); }
.idea .eyebrow { background: rgba(12,18,38,.12); border-color: rgba(12,18,38,.18); color: var(--ink); }
.idea .lead, .idea p { color: rgba(12,18,38,.84); }
.idea-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px,5vw,64px); align-items: center; }
.idea h2 { color: var(--ink); }
.big-claim { font-size: clamp(1.4rem,3.2vw,2.1rem); font-weight: 700; font-family: var(--font-display); color: var(--ink); line-height: 1.18; }
.big-claim em { font-style: normal; color: var(--t2b); }
.energy-chip { display:inline-block; background: var(--ink); color: var(--energy); font-weight:700; padding: 2px 10px; border-radius: 8px; font-family: var(--font-display); }
@media (max-width: 880px) { .idea-grid { grid-template-columns: 1fr; } }

/* Mini scale diagram (planet -> star -> galaxy) */
.scale-mini { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; background: rgba(255,255,255,.55); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-soft); }
.scale-mini .node { text-align: center; padding: 14px 8px; border-radius: var(--radius-sm); background: #fff; }
.scale-mini .node h4 { color: var(--ink); margin-bottom: 2px; }
.scale-mini .node .pw { font-family: var(--font-display); font-weight: 700; font-size: .82rem; color: var(--t1b); }
.scale-mini .node small { color: var(--ink-soft); }

/* ============================================================================
   THE THREE TYPES (dark, isometric cards)
   ========================================================================== */
.types { background: var(--bg-types); }
.types-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
@media (max-width: 920px) { .types-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } }
.type-card {
  position: relative; border-radius: var(--radius); padding: 26px; overflow: hidden;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-card); transition: transform .25s, border-color .25s;
}
.type-card:hover { transform: translateY(-8px); border-color: rgba(255,255,255,.28); }
.type-card .scene { aspect-ratio: 16/11; margin: -6px -6px 16px; border-radius: 16px; overflow: hidden; }
.type-card .badge { position:absolute; top: 18px; right: 18px; font-family: var(--font-display); font-weight: 700; font-size: .78rem; padding: 5px 11px; border-radius: 999px; color: var(--ink); }
.type-card h3 { font-size: 1.45rem; }
.type-card .pw { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; }
.type-card .desc { color: rgba(255,255,255,.74); font-size: .96rem; }
.type-card .src { font-size: .82rem; color: rgba(255,255,255,.5); margin-top: 12px; }
.t-i   { --c: var(--t1); --cb: var(--t1b); }
.t-ii  { --c: var(--t2); --cb: var(--t2b); }
.t-iii { --c: var(--t3); --cb: var(--t3b); }
.type-card .badge { background: var(--c); }
.type-card .pw { color: var(--c); }
.type-card::after { content:""; position:absolute; inset: auto -40% -60% -40%; height: 60%; background: radial-gradient(closest-side, var(--c), transparent); opacity: .14; filter: blur(20px); }

/* bonus types strip */
.bonus { display:flex; gap: 14px; flex-wrap: wrap; justify-content:center; margin-top: 34px; }
.bonus .pill { background: rgba(255,255,255,.06); border: 1px dashed rgba(255,255,255,.22); border-radius: 14px; padding: 12px 18px; font-size: .9rem; }
.bonus .pill b { color: var(--t3); }

/* ============================================================================
   WHERE ARE WE — the gauge
   ========================================================================== */
.now { background: var(--bg-now); }
.now-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,70px); align-items: center; }
@media (max-width: 900px) { .now-grid { grid-template-columns: 1fr; } }
.gauge-wrap { display: grid; place-items: center; }
.gauge { width: min(380px, 82vw); }
.gauge .read { text-align: center; margin-top: -28px; }
.gauge .read .k { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.6rem,7vw,3.8rem); background: linear-gradient(90deg,var(--t0),var(--t1)); -webkit-background-clip:text; background-clip:text; color: transparent; }
.gauge .read small { display:block; color: rgba(255,255,255,.6); letter-spacing:.12em; text-transform: uppercase; font-size:.74rem; }

.formula { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 22px 24px; margin: 22px 0; }
.formula .eq { font-family: var(--font-display); font-size: clamp(1.1rem,2.6vw,1.5rem); font-weight: 700; color: var(--energy); }
.formula .eq sub, .formula .eq sup { font-size: .62em; }
.formula .note { font-size: .9rem; color: rgba(255,255,255,.62); margin: 8px 0 0; }

.timeline { display: grid; gap: 12px; margin-top: 8px; }
.tl-row { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; background: rgba(255,255,255,.04); border-radius: 14px; padding: 12px 16px; }
.tl-row .tag { font-family: var(--font-display); font-weight: 700; padding: 4px 10px; border-radius: 8px; color: var(--ink); font-size: .82rem; white-space: nowrap; }
.tl-row .when { font-size: .95rem; color: rgba(255,255,255,.8); }
.tl-row .when b { color:#fff; }
.tl-i .tag{ background: var(--t1);} .tl-ii .tag{ background: var(--t2);} .tl-iii .tag{ background: var(--t3);}
.kaku-quote { font-style: italic; color: rgba(255,255,255,.7); border-left: 3px solid var(--hazard); padding-left: 14px; margin-top: 18px; }

/* ============================================================================
   COSMIC TRIVIA
   ========================================================================== */
.trivia { background: linear-gradient(180deg, #0a1b38 0%, #0e1330 100%); }
.trivia-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
@media (max-width: 1080px) and (min-width: 781px) { .trivia-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 780px) { .trivia-grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; } }
.fact { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 22px; transition: transform .2s, border-color .2s; }
.fact:hover { transform: translateY(-5px); border-color: rgba(255,255,255,.24); }
.fact .fi { font-size: 1.8rem; margin-bottom: 8px; }
.fact h4 { font-size: 1.06rem; margin-bottom: 6px; }
.fact p { font-size: .92rem; color: rgba(255,255,255,.72); margin: 0; }

/* ============================================================================
   THE GAME — Ascension idle clicker
   ========================================================================== */
.game { background: var(--bg-game); }
.game-head { text-align:center; margin-bottom: 36px; }
.game-shell {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 24px;
  background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.1);
  border-radius: 26px; padding: clamp(16px,3vw,30px); box-shadow: var(--shadow-card);
}
@media (max-width: 940px) { .game-shell { grid-template-columns: 1fr; } }

/* Left: the civilization core */
.core-panel { position: relative; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 8px; border-radius: 20px; background: radial-gradient(120% 100% at 50% 0%, rgba(123,63,242,.18), transparent 70%); }
.tier-banner { width: 100%; display:flex; align-items:center; justify-content:space-between; gap: 12px; }
.tier-name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.tier-name span { color: var(--energy); }
.power-readout { text-align: right; }
.power-readout .pw { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.power-readout small { color: rgba(255,255,255,.55); }

.core-stage { position: relative; width: min(320px, 78%); aspect-ratio: 1; display: grid; place-items: center; cursor: pointer; user-select: none; }
.core-stage .ring { position:absolute; inset: 0; border-radius: 50%; }
.core-obj { width: 78%; transition: transform .1s; filter: drop-shadow(0 0 24px rgba(255,240,77,.35)); }
.core-stage:active .core-obj { transform: scale(.95); }
.core-hint { font-size: .82rem; color: rgba(255,255,255,.6); letter-spacing: .08em; text-transform: uppercase; }

/* K progress bar */
.kbar { width: 100%; }
.kbar .track { position: relative; height: 16px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.kbar .fill { position:absolute; inset: 0 auto 0 0; width: 0%; border-radius: 999px; background: linear-gradient(90deg, var(--t0), var(--t1), var(--t2), var(--t3)); transition: width .25s; }
.kbar .ticks { display:flex; justify-content: space-between; font-size: .7rem; color: rgba(255,255,255,.5); margin-top: 6px; font-family: var(--font-display); }
.kbar .kval { text-align:center; font-family: var(--font-display); font-weight:700; margin-top: 4px; font-size: 1.4rem; color:#fff; }

/* floating +energy bits */
.float-energy { position: absolute; pointer-events: none; font-family: var(--font-display); font-weight: 700; color: var(--energy); animation: floatUp 1s ease-out forwards; z-index: 5; }
@keyframes floatUp { from { opacity: 1; transform: translateY(0) scale(1);} to { opacity:0; transform: translateY(-60px) scale(1.3);} }

/* Right: shop */
.shop { display: flex; flex-direction: column; min-height: 0; }
.wallet { display:flex; align-items:baseline; justify-content: space-between; gap: 10px; padding: 12px 16px; border-radius: 14px; background: rgba(255,240,77,.1); border: 1px solid rgba(255,240,77,.25); margin-bottom: 14px; }
.wallet .amt { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--energy); }
.wallet .rate { font-size: .85rem; color: rgba(255,255,255,.7); }
.shop-list { display: grid; gap: 10px; max-height: 420px; overflow-y: auto; padding-right: 4px; }
.shop-list::-webkit-scrollbar { width: 8px; }
.shop-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: 8px; }
.gen {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px; padding: 11px 13px; transition: border-color .2s, background .2s, transform .1s; text-align: left;
}
.gen:not(:disabled):hover { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.07); }
.gen:not(:disabled):active { transform: scale(.99); }
.gen:disabled { opacity: .42; cursor: not-allowed; }
.gen .ic { width: 44px; height: 44px; border-radius: 12px; display:grid; place-items:center; font-size: 1.4rem; background: rgba(255,255,255,.06); }
.gen .meta h4 { margin: 0; font-size: .98rem; font-family: var(--font-body); font-weight: 600; }
.gen .meta small { color: rgba(255,255,255,.6); font-size: .8rem; }
.gen .buy { text-align: right; }
.gen .buy .cost { font-family: var(--font-display); font-weight: 700; font-size: .92rem; color: var(--energy); }
.gen .buy .own { font-size: .78rem; color: rgba(255,255,255,.55); }
.gen .meta .unlocknote { color: var(--hazard); }

.game-tools { display:flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.tool-btn { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); color:#fff; padding: 9px 14px; border-radius: 10px; font-size: .84rem; font-weight: 600; transition: background .2s; }
.tool-btn:hover { background: rgba(255,255,255,.12); }
.tool-btn.danger { border-color: rgba(255,84,112,.4); color: #ffb4c1; }
.tool-btn.ascend { background: linear-gradient(92deg,var(--t3),var(--t3b)); border:none; box-shadow: 0 10px 26px -12px var(--t3b); }

/* milestone toast */
.toast-stack { position: fixed; right: 18px; bottom: 18px; z-index: 80; display: flex; flex-direction: column; gap: 10px; max-width: 340px; }
.toast {
  background: rgba(20,16,55,.95); border: 1px solid rgba(255,255,255,.18);
  border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow-card);
  transform: translateX(120%); animation: toastIn .5s forwards, toastOut .5s forwards 5s;
}
.toast h4 { margin: 0 0 3px; font-size: 1rem; color: var(--energy); }
.toast p { margin: 0; font-size: .88rem; color: rgba(255,255,255,.8); }
@keyframes toastIn { to { transform: none; } }
@keyframes toastOut { to { transform: translateX(120%); opacity: 0; } }

/* achievements row */
.achv { display:flex; flex-wrap: wrap; gap: 8px; justify-content:center; margin-top: 30px; }
.achv .a { font-size: .8rem; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.55); }
.achv .a.got { background: rgba(255,240,77,.12); border-color: rgba(255,240,77,.4); color: var(--energy); }

/* ============================================================================
   TOKEN / JOIN
   ========================================================================== */
.token { background: var(--bg-token); }
.token-grid { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,60px); align-items:center; }
@media (max-width: 880px){ .token-grid{ grid-template-columns:1fr; } }
.tokenomics { display:grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.tk { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 18px; }
.tk .v { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; color: var(--t2); }
.tk .l { font-size: .85rem; color: rgba(255,255,255,.65); }
.ca-box { display:flex; gap: 10px; align-items:center; background: rgba(255,255,255,.05); border:1px dashed rgba(255,255,255,.25); border-radius: 14px; padding: 12px 14px; margin: 18px 0; font-family: var(--font-display); font-size: .9rem; }
.ca-box code { color: var(--energy); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ca-box button { margin-left: auto; background: var(--t2); color: var(--ink); padding: 7px 12px; border-radius: 9px; font-weight: 700; font-size: .8rem; }
.socials { display:flex; gap: 12px; flex-wrap: wrap; }
.soc { display:inline-flex; align-items:center; gap: 8px; padding: 11px 16px; border-radius: 12px; background: rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.14); font-weight:600; font-size:.92rem; transition: transform .15s; }
.soc:hover { transform: translateY(-2px); }
.steps { display:grid; gap: 12px; counter-reset: step; }
.step { display:grid; grid-template-columns: auto 1fr; gap: 14px; align-items:start; }
.step .n { counter-increment: step; width: 34px; height: 34px; border-radius: 50%; display:grid; place-items:center; font-family: var(--font-display); font-weight:700; background: linear-gradient(92deg,var(--t1),var(--t3)); color:#fff; }
.step .n::before { content: counter(step); }

/* ============================================================================
   FOOTER
   ========================================================================== */
.footer { background:#070a18; padding: 56px 24px 36px; border-top: 1px solid rgba(255,255,255,.07); }
.footer .wrap { display:flex; flex-direction: column; gap: 22px; }
.foot-top { display:flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items:flex-start; }
.foot-cols { display:flex; gap: 50px; flex-wrap: wrap; }
.foot-cols h5 { font-family: var(--font-display); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin: 0 0 10px; }
.foot-cols a { display:block; font-size: .9rem; color: rgba(255,255,255,.72); margin-bottom: 6px; }
.foot-cols a:hover { color:#fff; }
.disclaimer { font-size: .78rem; color: rgba(255,255,255,.42); border-top: 1px solid rgba(255,255,255,.07); padding-top: 18px; }
.sources-list { font-size: .8rem; color: rgba(255,255,255,.5); }
.sources-list a { color: rgba(255,255,255,.7); text-decoration: underline; text-underline-offset: 2px; }

/* shared isometric drop-shadow for inline scenes */
.iso { filter: drop-shadow(0 22px 26px rgba(0,0,0,.35)); }

/* core-art animations (referenced by game.js ART svgs) */
#coreArt svg { width: 100%; height: 100%; }
.spin-slow { animation: spin 60s linear infinite; transform-origin: center; }
.spin-med  { animation: spin 36s linear infinite; transform-origin: center; }
.spin-rev  { animation: spin 48s linear infinite reverse; transform-origin: center; }
.pulse { animation: corePulse 3.4s ease-in-out infinite; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes corePulse { 0%,100%{ transform: scale(1); filter: brightness(1);} 50%{ transform: scale(1.06); filter: brightness(1.12);} }
@media (prefers-reduced-motion: reduce) {
  .spin-slow, .spin-med, .spin-rev, .pulse, .hero-orbit .planet { animation: none !important; }
}