:root {
    color-scheme: dark;
    --bg: #070b12;
    --bg-deep: #04070c;
    --panel: rgba(15, 23, 34, 0.78);
    --text: #f2f5f8;
    --muted: #aeb8c5;
    --line: rgba(147, 167, 190, 0.22);
    --accent: #61c8ff;
    --accent-strong: #2aa8ef;
    --accent-soft: rgba(97, 200, 255, 0.13);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.48);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--bg-deep);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 50% 0%, rgba(34, 92, 132, 0.22), transparent 38%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Hiragino Kaku Gothic ProN",
        "Yu Gothic",
        Meiryo,
        sans-serif;
}

a {
    color: inherit;
}

.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: calc(100vh - 118px);
    padding: 10px 24px 54px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    opacity: 0.14;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.hero__glow {
    position: absolute;
    z-index: -1;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
}

.hero__glow--left {
    top: 120px;
    left: -160px;
    background: #1f98d5;
}

.hero__glow--right {
    top: 280px;
    right: -180px;
    background: #62d2ac;
}

.hero__content {
    width: min(1180px, 100%);
    margin: 0 auto;
    text-align: center;
}

.brand {
    position: relative;
    margin-bottom: 20px;
}

.brand__logo {
    margin: 0;
    font-size: clamp(48px, 8vw, 92px);
    font-weight: 900;
    letter-spacing: .08em;
    color: #eef9ff;

    text-shadow:
        0 0 8px rgba(255,255,255,.63),
        0 0 18px rgba(140,220,255,.56),
        0 0 40px rgba(97,200,255,.53),
        0 0 80px rgba(42,168,239,.32),
        0 3px 3px rgba(0,0,0,.42);
}

.brand::before{

    content:"";

    position:absolute;

    left:50%;
    top:45%;

    transform:translate(-50%,-50%);

    width:520px;
    height:160px;

    border-radius:50%;

    background:

        radial-gradient(
            rgba(97,200,255,.22),
            transparent 70%
        );

    filter:blur(45px);

    z-index:-1;

}

.brand__logo-image {
    display: block;
    width: min(720px, 92vw);
    height: auto;
    margin: 0 auto;
}

.brand__subtitle {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: clamp(14px, 2vw, 18px);
    letter-spacing: 0.13em;
}

.hero__message {
    max-width: 820px;
    margin: 0 auto;
}

.hero__catchcopy {
    margin: 0;
    color: var(--accent);
    font-size: clamp(25px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero__description {
    margin: 20px 0 0;
    color: #d2d9e2;
    font-size: clamp(15px, 2vw, 18px);
    line-height: 1.95;
}

.hero__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin: 34px 0 44px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    min-height: 54px;
    padding: 14px 28px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background-color 0.18s ease,
        box-shadow 0.18s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button:focus-visible {
    outline: 3px solid rgba(97, 200, 255, 0.5);
    outline-offset: 3px;
}

.button--primary {
    color: #031018;
    background: linear-gradient(180deg, #7bd8ff, var(--accent-strong));
    box-shadow: 0 12px 30px rgba(42, 168, 239, 0.25);
}

.button--primary:hover {
    box-shadow: 0 16px 36px rgba(42, 168, 239, 0.34);
}

.button--secondary {
    color: var(--text);
    border-color: var(--line);
    background: rgba(16, 25, 37, 0.72);
}

.button--secondary:hover {
    border-color: rgba(97, 200, 255, 0.55);
    background: var(--accent-soft);
}

.game-shot {
    margin: 0 auto;
    width: min(680px, 100%);
}

.game-shot__image {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(139, 171, 201, 0.28);
    border-radius: 14px;
    background: #111;
    box-shadow: var(--shadow);
    filter:
        brightness(1.12)
        contrast(1.03)
        saturate(1.05);
}

.game-shot__caption {
    margin-top: 16px;
    color: var(--muted);
    font-size: 14px;
    letter-spacing: 0.04em;
}

.footer {
    padding: 12px 20px 32px;
    border-top: 1px solid rgba(147, 167, 190, 0.13);
    color: var(--muted);
    text-align: center;
    background: rgba(3, 6, 10, 0.68);
}

.footer__links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 22px;
}

.footer__links a {
    color: var(--muted);
    font-size: 16px;
    text-decoration: none;
}

.footer__links a:hover,
.footer__links a:focus-visible {
    color: var(--accent);
}

.footer__copyright {
    margin: 18px 0 0;
    font-size: 12px;
}

@media (max-width: 700px) {
    .hero {
        min-height: auto;
        padding: 20px 14px 40px;
    }

    .brand {
        margin-bottom: 28px;
    }

    .brand__logo {
        letter-spacing: 0.035em;
    }

    .brand__subtitle {
        letter-spacing: 0.06em;
    }

    .hero__description br {
        display: none;
    }

    .hero__actions {
        display: grid;
        grid-template-columns: 1fr;
        width: min(420px, 100%);
        margin: 30px auto 36px;
    }

    .button {
        width: 100%;
        min-width: 0;
    }

    .game-shot__image {
        border-radius: 9px;
    }

    .game-shot__caption {
        padding: 0 8px;
        line-height: 1.7;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}