:root {
    /* deliberate single visual world: a magical night-sky archipelago */
    color-scheme: dark;

    --abyss:      #060a1a;
    --abyss-2:    #0a1128;
    --deep:       #101a3f;
    --panel:      rgba(20, 30, 66, 0.55);
    --panel-solid:#0e1735;
    --line:       rgba(150, 170, 235, 0.16);
    --line-soft:  rgba(150, 170, 235, 0.09);

    --arcane:     #35e3d0;   /* primary magic glow (teal) */
    --arcane-lo:  #12a99a;
    --ember:      #ffb765;   /* spell energy accent (amber) */
    --ember-hi:   #ff8a5c;
    --violet:     #9b7bff;

    --mist:       #eaeefb;   /* headings */
    --fog:        #b3bbdd;   /* body */
    --muted:      #838ebc;   /* labels / small print */

    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
    --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono:  ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;

    --maxw: 1140px;
    --radius: 8px;
  }

  * { box-sizing: border-box; }
  img, svg { max-width: 100%; display: block; }

  .page {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow-x: clip;
    background: var(--abyss);
    color: var(--fog);
    font-family: var(--sans);
    font-size: 1.05rem;
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
  }

  /* ---------- fixed atmosphere layers ---------- */
  .bg {
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
      radial-gradient(120% 90% at 78% -8%, rgba(53, 227, 208, 0.16), transparent 55%),
      radial-gradient(90% 70% at 12% 8%, rgba(155, 123, 255, 0.14), transparent 55%),
      radial-gradient(120% 80% at 50% 118%, rgba(255, 138, 92, 0.10), transparent 60%),
      linear-gradient(180deg, var(--abyss) 0%, var(--abyss-2) 55%, var(--abyss) 100%);
  }
  .aurora {
    position: fixed;
    inset: -20% -10% auto -10%;
    height: 90vh;
    z-index: -2;
    filter: blur(70px);
    opacity: 0.5;
    background:
      radial-gradient(40% 55% at 25% 40%, rgba(53,227,208,0.30), transparent 70%),
      radial-gradient(38% 50% at 72% 30%, rgba(155,123,255,0.28), transparent 70%),
      radial-gradient(34% 46% at 55% 60%, rgba(255,183,101,0.16), transparent 70%);
    animation: drift 26s ease-in-out infinite alternate;
  }
  @keyframes drift {
    from { transform: translate3d(-3%, 0, 0) scale(1); }
    to   { transform: translate3d(4%, 2%, 0) scale(1.08); }
  }
  #sky {
    position: fixed;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  /* ---------- shared layout ---------- */
  .container { width: min(var(--maxw), 100% - 3rem); margin-inline: auto; }
  .section { padding: clamp(4.5rem, 9vw, 8rem) 0; position: relative; }
  .section + .section { padding-top: clamp(3rem, 6vw, 5rem); }

  .eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--arcane);
    margin: 0 0 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
  }
  .eyebrow::before {
    content: "";
    width: 26px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--arcane));
  }

  h1, h2, h3 { font-family: var(--serif); color: var(--mist); font-weight: 600; margin: 0; text-wrap: balance; }
  h2 { font-size: 3rem; line-height: 1.08; letter-spacing: -0.015em; }
  .lede { max-width: 60ch; color: var(--fog); }
  @media (max-width: 900px) { h2 { font-size: 2.45rem; } }
  @media (max-width: 540px) { .page { font-size: 1rem; } h2 { font-size: 2rem; } }

  /* ---------- nav ---------- */
  .nav {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
  }
  .nav.scrolled { border-bottom-color: var(--line-soft); background: rgba(6, 10, 26, 0.6); }
  .nav__inner { width: min(var(--maxw), 100% - 3rem); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

  .wordmark {
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--mist);
    letter-spacing: -0.01em;
    text-decoration: none;
    display: inline-flex; align-items: baseline; gap: 0.05em;
    transition: text-shadow 0.3s ease;
  }
  .wordmark .dot { font-family: var(--mono); font-size: 0.72em; color: var(--arcane); letter-spacing: 0; }
  .wordmark:hover { text-shadow: 0 0 22px rgba(53, 227, 208, 0.55); }

  .nav__links { display: flex; align-items: center; gap: 1.9rem; }
  .nav__links a {
    color: var(--fog); text-decoration: none; font-size: 0.9rem;
    letter-spacing: 0.01em; transition: color 0.2s ease;
  }
  .nav__links a:hover { color: var(--mist); }
  .nav__cta { display: inline-flex; }
  @media (max-width: 720px) { .nav__link-hide { display: none; } }

  /* ---------- buttons ---------- */
  .btn {
    --bg: var(--arcane);
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    font-family: var(--sans); font-size: 0.95rem; font-weight: 600;
    padding: 0.72em 1.35em; border-radius: 999px;
    text-decoration: none; cursor: pointer; border: 1px solid transparent;
    transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.2s ease;
    white-space: nowrap;
  }
  .btn--primary {
    background: linear-gradient(180deg, #4defdd, var(--arcane-lo));
    color: #04211e;
    box-shadow: 0 8px 26px rgba(53, 227, 208, 0.28), inset 0 1px 0 rgba(255,255,255,0.45);
  }
  .btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(53, 227, 208, 0.42), inset 0 1px 0 rgba(255,255,255,0.5); }
  .btn--ghost { background: rgba(255,255,255,0.02); color: var(--mist); border-color: var(--line); }
  .btn--ghost:hover { transform: translateY(-2px); border-color: rgba(53,227,208,0.5); box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
  .btn--small { padding: 0.55em 1.05em; font-size: 0.86rem; }
  .btn:focus-visible { outline: 2px solid var(--arcane); outline-offset: 3px; }

  /* ---------- hero ---------- */
  .hero { position: relative; min-height: min(790px, 84vh); display: flex; align-items: center; padding: clamp(4.7rem, 8vw, 6.5rem) 0 3.6rem; }
  .hero__grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; width: 100%; }
  @media (max-width: 900px) {
    .hero { min-height: auto; padding-top: 4.8rem; }
    .hero__grid { grid-template-columns: 1fr; }
    .hero__art { height: 250px; max-width: 420px; margin: 0 auto; width: 100%; }
  }

  .hero h1 {
    font-size: 5.7rem;
    line-height: 1.02;
    letter-spacing: -0.025em;
    margin: 0 0 0.55rem;
  }
  .hero__tagline {
    margin: 0 0 1.15rem;
    font-family: var(--serif);
    font-size: 2.35rem;
    line-height: 1.08;
    color: var(--arcane);
    text-shadow: 0 0 34px rgba(53, 227, 208, 0.42);
    font-style: italic;
    text-wrap: balance;
  }
  .hero .lede { font-size: 1.16rem; margin: 0 0 2.1rem; }
  @media (max-width: 900px) {
    .hero h1 { font-size: 4.2rem; }
    .hero__tagline { font-size: 2rem; }
    .hero .lede { font-size: 1.08rem; }
  }
  @media (max-width: 540px) {
    .hero h1 { font-size: 3.05rem; }
    .hero__tagline { font-size: 1.55rem; }
    .hero .lede { font-size: 1rem; }
  }
  .hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
  .hero__meta { margin-top: 2.2rem; display: flex; align-items: center; gap: 0.7rem; color: var(--muted); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em; }
  .hero__meta .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--arcane); box-shadow: 0 0 0 0 rgba(53,227,208,0.6); animation: pulse 2.4s ease-out infinite; }
  .hero__status { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 1.35rem 0 0; }
  .status-chip {
    display: inline-flex; align-items: center; gap: 0.45rem;
    min-height: 34px; padding: 0.38rem 0.72rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(6,10,26,0.48);
    color: var(--fog);
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }
  .status-chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 12px rgba(255,183,101,0.7); }
  @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(53,227,208,0.5); } 70% { box-shadow: 0 0 0 10px rgba(53,227,208,0); } 100% { box-shadow: 0 0 0 0 rgba(53,227,208,0); } }

  /* floating islands art */
  .hero__art { position: relative; height: 460px; min-height: 220px; }
  .island { position: absolute; filter: drop-shadow(0 26px 30px rgba(0,0,0,0.55)); animation: float var(--dur, 9s) ease-in-out infinite; will-change: transform; }
  .island::after { content: ""; }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(calc(-1 * var(--lift, 14px))); } }
  .i1 { width: 250px; top: 120px; left: 24%; --dur: 10s; --lift: 16px; z-index: 3; }
  .i2 { width: 150px; top: 20px;  left: 2%;  --dur: 13s; --lift: 12px; animation-delay: -3s; z-index: 2; opacity: 0.96; }
  .i3 { width: 120px; top: 250px; left: 62%; --dur: 11s; --lift: 18px; animation-delay: -6s; z-index: 2; opacity: 0.9; }
  .i4 { width: 78px;  top: 70px;  left: 70%; --dur: 15s; --lift: 10px; animation-delay: -2s; z-index: 1; opacity: 0.8; }
  @media (max-width: 900px) {
    .i1 { width: 205px; top: 68px; left: 23%; }
    .i2 { width: 126px; top: 2px; left: 6%; }
    .i3 { width: 96px; top: 145px; left: 63%; }
    .i4 { width: 64px; top: 32px; left: 73%; }
  }

  .scrollcue { position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%); color: var(--muted); font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
  .scrollcue .line { width: 1px; height: 34px; background: linear-gradient(var(--arcane), transparent); animation: cue 2.2s ease-in-out infinite; transform-origin: top; }
  @keyframes cue { 0%,100% { transform: scaleY(0.4); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

  /* ---------- pillars ---------- */
  .pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3rem; }
  @media (max-width: 820px) { .pillars { grid-template-columns: 1fr; } }
  .pillar {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.7rem 1.6rem 1.9rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }
  .pillar::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--arcane), transparent); opacity: 0.6; }
  .pillar:hover { transform: translateY(-5px); border-color: rgba(53,227,208,0.4); box-shadow: 0 18px 44px rgba(0,0,0,0.4); }
  .pillar__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 8px; background: rgba(53,227,208,0.08); border: 1px solid var(--line); margin-bottom: 1.1rem; color: var(--arcane); }
  .pillar__tag { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem; }
  .pillar__tag b { color: var(--ember); font-weight: 600; }
  .pillar h3 { font-size: 1.4rem; margin-bottom: 0.55rem; }
  .pillar p { margin: 0; font-size: 0.96rem; color: var(--fog); }

  /* ---------- cards showcase ---------- */
  .cards-head { max-width: 62ch; }
  .cards-head .hint { display: inline-block; margin-top: 1rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
  .cards-rail { display: flex; flex-wrap: wrap; gap: 1.4rem; justify-content: center; margin-top: 3rem; perspective: 1400px; }

  .game-card {
    --el: var(--arcane); --el2: var(--arcane-lo); --glow: rgba(53,227,208,0.5);
    width: 236px; aspect-ratio: 5 / 7;
    border-radius: 18px;
    padding: 7px;
    background:
      linear-gradient(160deg, var(--el), var(--el2) 62%, #05070f);
    box-shadow: 0 22px 48px rgba(0,0,0,0.5);
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    will-change: transform;
  }
  .game-card:hover { box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 40px var(--glow); }
  .game-card--fire  { --el: #ff9a4d; --el2: #b8362a; --glow: rgba(255,122,60,0.55); }
  .game-card--water { --el: #4fd6e6; --el2: #245fce; --glow: rgba(79,214,230,0.5); }
  .game-card--storm { --el: #b48bff; --el2: #6b34cf; --glow: rgba(180,139,255,0.55); }

  .gc__inner {
    height: 100%; border-radius: 12px;
    background: radial-gradient(120% 80% at 50% 0%, #16204a, var(--panel-solid) 60%, #070b1a);
    border: 1px solid rgba(255,255,255,0.06);
    display: flex; flex-direction: column;
    padding: 12px 12px 10px;
    position: relative;
  }
  .gc__cost {
    position: absolute; top: -12px; left: -12px;
    width: 42px; height: 42px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fff, var(--el) 55%, var(--el2));
    color: #08111f; font-family: var(--serif); font-weight: 700; font-size: 1.35rem;
    display: grid; place-items: center;
    box-shadow: 0 4px 14px rgba(0,0,0,0.5), inset 0 1px 2px rgba(255,255,255,0.6);
    border: 2px solid rgba(255,255,255,0.75);
  }
  .gc__name { font-family: var(--serif); color: var(--mist); font-size: 1.12rem; text-align: center; margin: 2px 0 8px; letter-spacing: -0.01em; }
  .gc__art {
    height: 40%; border-radius: 8px;
    background:
      radial-gradient(70% 90% at 50% 40%, var(--glow), transparent 70%),
      linear-gradient(180deg, #0a1130, #060a17);
    background-color: #070c1c;
    display: grid; place-items: center;
    border: 1px solid rgba(255,255,255,0.05);
    overflow: hidden;
  }
  .gc__art svg { width: 62%; filter: drop-shadow(0 0 10px var(--glow)); }
  .gc__type { text-align: center; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; color: var(--el); text-transform: uppercase; margin: 9px 0 6px; position: relative; }
  .gc__type::before, .gc__type::after { content: ""; position: absolute; top: 50%; width: 22px; height: 1px; background: linear-gradient(90deg, transparent, var(--el)); opacity: 0.6; }
  .gc__type::before { left: 8px; transform: scaleX(-1); }
  .gc__type::after { right: 8px; }
  .gc__text { flex: 1; font-family: var(--serif); font-size: 0.82rem; line-height: 1.4; color: #d6ddf5; text-align: center; padding: 2px 4px; display: flex; align-items: center; justify-content: center; }
  .gc__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
  .gc__rarity { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; }
  .gc__gem { width: 9px; height: 9px; transform: rotate(45deg); border-radius: 2px; background: var(--el); box-shadow: 0 0 8px var(--glow); }
  .gc__stats { display: flex; gap: 6px; }
  .gc__stat { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-weight: 700; font-size: 1rem; color: #fff; }
  .gc__stat--atk { background: radial-gradient(circle at 35% 30%, #ffd9a0, #d98b2c 60%, #8a4c12); }
  .gc__stat--hp  { background: radial-gradient(circle at 35% 30%, #ffb3ac, #d64535 60%, #7d1f18); }

  /* ---------- first playable ---------- */
  .build { padding-top: clamp(3.5rem, 7vw, 6rem); }
  .build__head { max-width: 66ch; }
  .build-ladder {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 2.4rem;
  }
  @media (max-width: 980px) { .build-ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 580px) { .build-ladder { grid-template-columns: 1fr; } }
  .build-step {
    min-height: 154px;
    padding: 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
      linear-gradient(180deg, rgba(20,30,66,0.58), rgba(7,11,26,0.5)),
      radial-gradient(90% 90% at 50% 0%, rgba(53,227,208,0.12), transparent 72%);
    position: relative;
    overflow: hidden;
  }
  .build-step::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, var(--arcane), rgba(255,183,101,0.8), transparent);
    opacity: 0.45;
  }
  .build-step--now {
    border-color: rgba(255,183,101,0.5);
    box-shadow: 0 18px 48px rgba(0,0,0,0.34), 0 0 30px rgba(255,183,101,0.12);
  }
  .build-step__version {
    display: block;
    margin-bottom: 0.7rem;
    color: var(--ember);
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }
  .build-step h3 { font-size: 1.25rem; margin-bottom: 0.45rem; }
  .build-step p { margin: 0; color: var(--fog); font-size: 0.9rem; line-height: 1.45; }

  /* ---------- waitlist ---------- */
  .waitlist { text-align: center; }
  .waitlist__card {
    max-width: 680px; margin: 0 auto;
    background: linear-gradient(180deg, var(--panel), rgba(10,17,40,0.7));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(2.2rem, 5vw, 3.4rem);
    position: relative; overflow: hidden;
  }
  .waitlist__card::before { content: ""; position: absolute; inset: -40% 30% auto; height: 200px; background: radial-gradient(50% 100% at 50% 0, rgba(53,227,208,0.22), transparent 70%); }
  .waitlist h2 { position: relative; margin-bottom: 0.9rem; }
  .waitlist p.lede { margin: 0 auto 2rem; }
  .signup { display: flex; gap: 0.6rem; max-width: 460px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
  .signup input {
    flex: 1 1 240px; min-width: 0;
    background: rgba(6,10,26,0.7); border: 1px solid var(--line);
    border-radius: 999px; padding: 0.72em 1.2em;
    color: var(--mist); font-family: var(--sans); font-size: 0.95rem;
  }
  .signup input::placeholder { color: var(--muted); }
  .signup input:focus-visible { outline: none; border-color: var(--arcane); box-shadow: 0 0 0 3px rgba(53,227,208,0.18); }
  .signup__note { min-height: 1.2em; margin: 1rem 0 0; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.03em; color: var(--arcane); }
  .fineprint { margin: 1.4rem 0 0; font-size: 0.78rem; color: var(--muted); }

  /* ---------- footer ---------- */
  .footer { border-top: 1px solid var(--line-soft); padding: 2.6rem 0 3rem; margin-top: 2rem; }
  .footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
  .footer p { margin: 0; font-size: 0.82rem; color: var(--muted); }
  .footer a { color: var(--fog); text-decoration: none; }
  .footer a:hover { color: var(--arcane); }

  /* ---------- reveal / motion ---------- */
  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
  .js .reveal.in { opacity: 1; transform: none; }
  .js .stagger > * { opacity: 0; transform: translateY(16px); }
  .js .stagger.in > * { opacity: 1; transform: none; transition: opacity 0.6s ease, transform 0.6s ease; }
  .js .stagger.in > *:nth-child(2) { transition-delay: 0.08s; }
  .js .stagger.in > *:nth-child(3) { transition-delay: 0.16s; }

  @media (prefers-reduced-motion: reduce) {
    .aurora, .island, .pulse, .scrollcue .line { animation: none !important; }
    .js .reveal, .js .stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
    .game-card { transition: none; }
  }
  @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

  :where(section, div)[id] { scroll-margin-top: 84px; }