:root {
    --bg: #050317;
    --bg-deep: #090622;
    --magenta: #ff3e84;
    --orange: #ffb347;
    --cyan: #57f2ff;
    --text: #f5f7ff;
    --muted: rgba(245, 247, 255, 0.72);
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --container-max: 1200px;
    --container-pad: clamp(1.5rem, 5vw, 3rem);
    --shadow-glow: 0 10px 40px rgba(255, 62, 132, 0.35);
}

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

body {
    font-family:
        "Space Grotesk",
        "Source Sans 3",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    min-height: 100vh;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

main,
.page-wrapper {
    width: min(100%, var(--container-max));
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

h1,
h2,
h3 {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.2;
}

p {
    color: var(--muted);
    margin-bottom: var(--space-md);
}

a {
    color: inherit;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 4px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 3, 23, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--magenta), var(--cyan)) 1;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    gap: 1.5rem;
}

.logo-text {
    font-weight: 600;
    letter-spacing: 0.12em;
    font-size: 1.1rem;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    position: relative;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.85rem;
    text-decoration: none;
    padding-bottom: 0.25rem;
    color: var(--text);
    transition: color 200ms ease;
}

.site-nav a[aria-current="page"] {
    color: var(--cyan);
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--magenta), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 250ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--cyan);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
    transform: scaleX(1);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) var(--container-pad);
    background-color: var(--bg);
    background-image:
        linear-gradient(140deg, rgba(5, 3, 23, 0.9), rgba(5, 3, 23, 0.3)),
        url("manga-cover-1.png");
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero.hero-buy {
    justify-content: center;
    text-align: center;
    background-image:
        linear-gradient(140deg, rgba(5, 3, 23, 0.9), rgba(5, 3, 23, 0.3)),
        url("manga-cover-2.png");
}

.hero.hero-buy .hero-card {
    margin: 0 auto;
}

.hero.hero-coming {
    justify-content: center;
    text-align: center;
    background-image:
        linear-gradient(140deg, rgba(5, 3, 23, 0.9), rgba(5, 3, 23, 0.3)),
        url("manga-vince.png");
}

.hero.hero-coming .hero-card {
    margin: 0 auto;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        rgba(10, 7, 40, 0.85),
        rgba(255, 62, 132, 0.55)
    );
    pointer-events: none;
}

.hero-card {
    position: relative;
    z-index: 1;
    max-width: 520px;
    padding: 2.5rem;
    border-radius: 24px;
    background: rgba(5, 3, 23, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 60px rgba(5, 3, 23, 0.65);
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-sm);
}

.glitch-title {
    position: relative;
    text-shadow: 0 0 8px rgba(87, 242, 255, 0.5);
    animation: glitch 2.5s infinite;
}

.hero-tagline {
    color: var(--cyan);
    font-weight: 600;
    letter-spacing: 0.26em;
    margin-bottom: var(--space-md);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 600;
    padding: 0.95rem 1.8rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition:
        transform 250ms ease,
        box-shadow 250ms ease,
        background 250ms ease,
        color 250ms ease;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(120deg, var(--magenta), var(--orange));
    color: #050317;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(255, 62, 132, 0.45);
}

.btn-secondary {
    background: transparent;
    border-color: rgba(87, 242, 255, 0.6);
    color: var(--text);
    box-shadow: 0 0 20px rgba(87, 242, 255, 0.25) inset;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    color: var(--cyan);
    border-color: var(--cyan);
}

.highlights {
    position: relative;
    background:
        radial-gradient(
            circle at top right,
            rgba(255, 62, 132, 0.25),
            transparent 55%
        ),
        var(--bg-deep);
    padding: 5rem 2rem;
}

.highlights-intro {
    max-width: 640px;
    margin: 0 auto var(--space-lg);
    text-align: center;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-bottom: 2em;
}

.highlight-card {
    background: rgba(15, 10, 40, 0.9);
    border-radius: 20px;
    padding: 1.75rem;
    border: 1px solid transparent;
    border-color: rgba(255, 255, 255, 0.2);
    border-image: linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.35),
            rgba(87, 242, 255, 0.35)
        )
        1;
    box-shadow: 0 25px 55px rgba(2, 0, 16, 0.65);
}

.info-strip {
    background: rgba(5, 3, 23, 0.85);
    border-top: 1px solid rgba(87, 242, 255, 0.3);
    padding: 3rem 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    width: min(100%, 900px);
    margin: 0 auto;
}

.info-card {
    background: rgba(15, 10, 40, 0.85);
    border-radius: 18px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45);
}

.info-card h2 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.site-footer {
    background: rgba(5, 3, 23, 0.85);
    border-top: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--cyan), var(--magenta)) 1;
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

.site-footer a {
    color: var(--magenta);
    text-decoration: none;
}

@media (max-width: 900px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .site-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding-top: var(--space-lg);
        padding-bottom: var(--space-lg);
    }
}

@media (max-width: 700px) {
    .highlight-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero {
        min-height: 80vh;
    }

    .hero-card {
        padding: 2rem;
    }

    .btn {
        width: 100%;
    }

    .btn-group {
        flex-direction: column;
    }
}

@keyframes glitch {
    0% {
        text-shadow:
            2px 2px 0 rgba(255, 62, 132, 0.4),
            -2px -2px 0 rgba(87, 242, 255, 0.4);
    }
    20% {
        text-shadow:
            -3px 2px 0 rgba(255, 62, 132, 0.6),
            3px -2px 0 rgba(87, 242, 255, 0.6);
    }
    40% {
        text-shadow:
            3px -3px 0 rgba(255, 62, 132, 0.5),
            -3px 3px 0 rgba(87, 242, 255, 0.5);
    }
    60% {
        text-shadow:
            -1px -1px 0 rgba(255, 62, 132, 0.4),
            1px 1px 0 rgba(87, 242, 255, 0.4);
    }
    80% {
        text-shadow:
            4px 0 0 rgba(255, 62, 132, 0.55),
            -4px 0 0 rgba(87, 242, 255, 0.55);
    }
    100% {
        text-shadow: 0 0 8px rgba(87, 242, 255, 0.5);
    }
}