/* ============================================
   METACOGNATE — Section Styles
   ============================================ */

/* --- Intro Overlay --- */
.intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 1;
    transition: opacity 0.6s ease;
}

.intro-overlay:not(.active) {
    opacity: 0;
    pointer-events: none;
}

.intro-panel {
    max-width: 520px;
    width: 100%;
    text-align: center;
}

.intro-panel__label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

.intro-panel__title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-8);
    color: var(--text-primary);
}

.intro-panel__body {
    margin-bottom: var(--space-8);
}

.intro-panel__body p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.intro-panel__body p:last-child {
    margin-bottom: 0;
}

.intro-panel__note {
    font-style: italic;
    color: var(--text-muted) !important;
}

.intro-panel__enter {
    margin-top: var(--space-4);
}

/* Body scroll lock while intro is visible */
body.intro-locked {
    overflow: hidden;
}


/* --- Navigation --- */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-normal);
}

.site-nav__inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.site-nav__brand {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
}

.site-nav__brand:hover {
    text-decoration: none;
}

.site-nav__links {
    display: flex;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav__link {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link.active {
    color: var(--accent);
    background: var(--accent-glow);
    text-decoration: none;
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    padding: var(--space-2);
    cursor: pointer;
    font-size: var(--text-lg);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 56px;
    position: relative;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(0, 229, 199, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(167, 139, 250, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero__status {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--amber);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.hero__status-dot {
    width: 6px;
    height: 6px;
    background: var(--amber);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero__headline {
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero__headline .accent {
    color: var(--accent);
}

.hero__cursor {
    display: inline-block;
    width: 3px;
    height: 0.9em;
    background: var(--accent);
    margin-left: 4px;
    vertical-align: text-bottom;
    animation: blink-cursor 1s steps(1) infinite;
}

@keyframes blink-cursor {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero__subtext {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto var(--space-8);
    line-height: var(--leading-relaxed);
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* --- What Is This --- */
.explainer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.explainer__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.explainer__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.explainer__card-icon {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.explainer__card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.explainer__card p {
    font-size: var(--text-sm);
    margin-bottom: 0;
}

/* --- The Quiet War (Lore) --- */
.quiet-war {
    border-top: 1px solid var(--border);
}

.quiet-war__intro {
    max-width: 720px;
    margin: 0 auto var(--space-10);
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    text-align: center;
}

.quiet-war__intro strong {
    color: var(--text-primary);
}

.quiet-war__factions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.faction-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    transition: height var(--transition-slow), opacity var(--transition-slow);
}

.faction-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

/* --- Architects Card --- */
.faction-card--architects::before {
    background: linear-gradient(90deg, var(--ice-blue), var(--ice-blue-dim), transparent);
    opacity: 0.8;
}

.faction-card--architects:hover::before {
    height: 4px;
    opacity: 1;
}

.faction-card--architects:hover {
    box-shadow: 0 0 30px var(--ice-blue-glow), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.faction-card--architects .faction-card__name {
    color: var(--ice-blue);
}

.faction-card--architects .faction-card__label {
    color: var(--ice-blue-dim);
    border-bottom-color: rgba(192, 216, 240, 0.15);
}

.faction-card--architects .faction-card__vibe {
    color: var(--ice-blue-dim);
}

/* --- Breakers Card --- */
.faction-card--breakers::before {
    background: linear-gradient(90deg, var(--accent), var(--accent-dim), transparent);
    opacity: 0.8;
}

.faction-card--breakers:hover::before {
    height: 4px;
    opacity: 1;
}

.faction-card--breakers:hover {
    box-shadow: 0 0 30px var(--accent-glow), var(--shadow-glow);
}

.faction-card--breakers .faction-card__name {
    color: var(--accent);
}

.faction-card--breakers .faction-card__label {
    color: var(--accent-dim);
    border-bottom-color: rgba(0, 229, 199, 0.15);
}

.faction-card--breakers .faction-card__vibe {
    color: var(--accent-dim);
}

/* --- Card internals --- */
.faction-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.faction-card__icon {
    font-size: var(--text-2xl);
}

.faction-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.faction-card__vibe {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-style: italic;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-5);
}

.faction-card__block {
    margin-bottom: var(--space-4);
}

.faction-card__block:last-child {
    margin-bottom: 0;
}

.faction-card__label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-1);
    border-bottom: 1px solid var(--border);
}

.faction-card__block p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: 0;
}

/* --- Stakes callout --- */
.quiet-war__stakes {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    position: relative;
}

.quiet-war__stakes-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--amber);
    margin-bottom: var(--space-4);
    animation: pulse-text 3s ease-in-out infinite;
}

@keyframes pulse-text {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.quiet-war__stakes p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* --- Archives Section --- */
.archives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

/* --- Simulations --- */
.sim-section {
    border-top: 1px solid var(--border);
}

.sim-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    margin-top: var(--space-8);
}

.sim-container__header {
    margin-bottom: var(--space-6);
}

.sim-container__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.sim-container__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Spot the Exploit specific */
.mock-page {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    position: relative;
}

.mock-element {
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    position: relative;
}

.mock-element:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.mock-element.found {
    border-color: var(--success);
    background: var(--success-glow);
}

.mock-element.neutral-click {
    animation: shake 0.3s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

.mock-element.cleared {
    border-color: var(--border-hover);
    opacity: 0.6;
}

.mock-element__tactic {
    display: none;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--success);
    margin-top: var(--space-2);
}

.mock-element.found .mock-element__tactic,
.mock-element.cleared .mock-element__tactic {
    display: block;
}

/* --- Blind Protocol --- */
.blind-protocol {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.blind-protocol__stage {
    display: none;
}

.blind-protocol__stage.active {
    display: block;
}

.blind-protocol__policy {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    margin: var(--space-6) 0;
}

.blind-protocol__vote-row {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-top: var(--space-6);
}

.blind-protocol__reveal {
    text-align: center;
    padding: var(--space-8) 0;
}

.blind-protocol__reveal-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--amber);
    margin-bottom: var(--space-4);
}

/* --- Field Guide --- */
.field-guide {
    border-top: 1px solid var(--border);
}

.field-guide__list {
    max-width: 640px;
    margin: var(--space-8) auto 0;
}

.field-guide__share {
    text-align: center;
    margin-top: var(--space-10);
}

.field-guide__quote {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--space-4);
    font-style: italic;
}

/* --- Sources --- */
.sources {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.sources__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.source-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    transition: border-color var(--transition-fast);
    display: block;
    text-decoration: none;
    cursor: pointer;
}

.source-card:hover {
    border-color: var(--border-hover);
    text-decoration: none;
}

.source-card__author {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.source-card__work {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--space-2);
}

.source-card__note {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: 0;
}

/* --- Footer --- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: var(--space-8) 0;
    text-align: center;
}

.site-footer p {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: 0;
}

/* --- Responsive overrides --- */
@media (max-width: 768px) {
    .site-nav__links {
        display: none;
    }

    .site-nav__links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        padding: var(--space-4);
        gap: var(--space-2);
    }

    .nav-mobile-toggle {
        display: block;
    }

    .hero__headline {
        font-size: var(--text-4xl);
    }

    .hero__subtext {
        font-size: var(--text-base);
    }

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

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

    .quiet-war__factions {
        grid-template-columns: 1fr;
    }

    .sim-container {
        padding: var(--space-4);
    }

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

@media (max-width: 480px) {
    .hero__headline {
        font-size: var(--text-3xl);
    }

    .hero__actions {
        flex-direction: column;
    }

    .blind-protocol__vote-row {
        flex-direction: column;
        align-items: stretch;
    }
}