/* === Portal / Главная страница === */

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--container-padding);
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
    pointer-events: none;
    /* Let clicks pass through */
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(13, 13, 18, 0.8) 100%);
    z-index: 2;
    /* Sits above particles, masking them slightly at edges */
    pointer-events: none;
}

/* --- Preloader --- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--color-bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader__logo {
    width: 100px;
    height: 100px;
    animation: preloader-pulse 2s infinite ease-in-out;
}

@keyframes preloader-pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.5;
        filter: drop-shadow(0 0 0px var(--color-accent-gold));
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
        filter: drop-shadow(0 0 20px var(--color-accent-gold));
    }

    100% {
        transform: scale(0.9);
        opacity: 0.5;
        filter: drop-shadow(0 0 0px var(--color-accent-gold));
    }
}

.hero__content {
    position: relative;
    z-index: var(--z-base);
    max-width: 800px;
}

.hero__title {
    font-family: var(--font-accent);
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 40px rgba(201, 168, 76, 0.3);
    letter-spacing: 0.03em;
}

.hero__tagline {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-style: italic;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    animation: float-centered 2s ease-in-out infinite;
}

.hero__scroll-hint svg {
    width: 20px;
    height: 20px;
    opacity: 0.5;
}

/* --- Карта-портал --- */
.portal-map {
    padding: var(--spacing-section) 0;
    position: relative;
}

.portal-map__canvas {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    min-height: 500px;
}

.portal-map__svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.portal-map__artery {
    stroke: var(--color-glow-order);
    stroke-width: 1.5;
    fill: none;
    animation: artery-pulse 4s ease-in-out infinite;
}

.portal-map__artery:nth-child(2) {
    animation-delay: 0.8s;
}

.portal-map__artery:nth-child(3) {
    animation-delay: 1.6s;
}

.portal-map__artery:nth-child(4) {
    animation-delay: 2.4s;
}

.map-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    transition: transform var(--transition-spring);
    text-decoration: none;
}

.map-node:hover {
    transform: scale(1.1);
}

.map-node__dot {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-round);
    background: var(--color-accent-gold);
    box-shadow: 0 0 12px var(--color-glow-gold), 0 0 24px var(--color-glow-gold);
    transition: all var(--transition-normal);
    position: relative;
}

.map-node__dot::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: var(--radius-round);
    border: 1px solid var(--color-accent-gold-dim);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.map-node:hover .map-node__dot::before {
    opacity: 1;
    animation: pulse-glow 1.5s ease-in-out infinite;
}

.map-node__dot--poi {
    width: 10px;
    height: 10px;
    background: var(--color-accent-purple);
    box-shadow: 0 0 8px var(--color-glow-purple), 0 0 16px var(--color-glow-purple);
}

.map-node__label {
    font-family: var(--font-accent);
    font-size: var(--font-size-caption);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.map-node:hover .map-node__label {
    color: var(--color-accent-gold);
}

/* --- «Сейчас в фокусе» --- */
.focus-banner {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.focus-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-gold-dim), transparent);
}

.focus-banner__inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.focus-banner__cover {
    width: 200px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.focus-banner__cover img {
    width: 100%;
    height: auto;
}

.focus-banner__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.focus-banner__label {
    font-family: var(--font-accent);
    font-size: var(--font-size-caption);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-gold);
}

.focus-banner__title {
    font-size: var(--font-size-h2);
}

.focus-banner__pitch {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    font-style: italic;
    max-width: 550px;
}

.focus-banner__progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.focus-banner__progress-bar {
    width: 100%;
    max-width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.focus-banner__progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-gold), var(--color-accent-copper));
    border-radius: 2px;
    transition: width 1s ease;
}

.focus-banner__progress-text {
    font-size: var(--font-size-caption);
    color: var(--color-text-muted);
}

.focus-banner__schedule {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(201, 168, 76, 0.08);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-caption);
    color: var(--color-accent-gold);
}

/* --- «Врата читателя» --- */
.reader-gates {
    padding: var(--spacing-section) 0;
}

.reader-gates__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.gate-card {
    background: var(--color-bg-card);
    border: var(--border-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.gate-card:hover {
    border-color: var(--color-accent-gold-dim);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.gate-card__icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent-gold);
}

.gate-card__title {
    font-family: var(--font-accent);
    font-size: var(--font-size-h3);
}

.gate-card__desc {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
}

/* --- Адаптив --- */
@media (max-width: 768px) {
    .portal-map__canvas {
        min-height: 400px;
    }

    .focus-banner__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .focus-banner__cover {
        margin: 0 auto;
        width: 160px;
    }

    .focus-banner__info {
        align-items: center;
    }

    .reader-gates__grid {
        grid-template-columns: 1fr;
    }

    .map-node__label {
        font-size: 0.6rem;
        letter-spacing: 0.04em;
    }

    .map-node__dot {
        width: 12px;
        height: 12px;
    }

    .map-node__dot--poi {
        width: 8px;
        height: 8px;
    }
}

@media (max-width: 480px) {
    .portal-map__canvas {
        min-height: 320px;
    }

    .focus-banner__cover {
        width: 140px;
    }

    .focus-banner__title {
        font-size: var(--font-size-h3);
    }

    .gate-card {
        padding: var(--spacing-lg);
    }

    .gate-card__title {
        font-size: var(--font-size-body);
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .hero__actions .btn {
        width: 100%;
        max-width: 280px;
    }
}