/* =====================================================
   THE IGNORANT OBSERVER - Website Styles
   A contemplative theme for a physics-inspired inquiry
   ===================================================== */

/* CSS Variables */
:root {
    --color-bg-deep: #0a0a0f;
    --color-bg-primary: #0d0d14;
    --color-bg-secondary: #14141f;
    --color-bg-card: #1a1a28;
    --color-bg-card-hover: #222235;

    --color-accent-primary: #8b7ec8;
    --color-accent-secondary: #6b5b95;
    --color-accent-glow: rgba(139, 126, 200, 0.3);
    --color-accent-gold: #c9a962;
    --color-accent-gold-glow: rgba(201, 169, 98, 0.3);

    --color-text-primary: #e8e6f0;
    --color-text-secondary: #a8a6b8;
    --color-text-muted: #6b6980;

    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Philosopher', 'Segoe UI', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;

    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 8px 40px rgba(139, 126, 200, 0.2);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-deep);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Star Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(
        180deg,
        var(--color-bg-deep) 0%,
        #0f0f1a 50%,
        #12121f 100%
    );
}

#starfield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* Snake Animation */
.snake-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.snake-path {
    /* Path is hidden, only used for orb movement calculation */
}

.snake-orb, .snake-orb-core {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.snake-orb.active {
    opacity: 0.6;
}

.snake-orb-core.active {
    opacity: 0.8;
}

.snake-orb.glowing {
    opacity: 1;
    filter: url(#glow-filter);
    animation: orbPulse 1s ease-in-out;
}

.snake-orb-core.glowing {
    opacity: 1;
    animation: corePulse 1s ease-in-out;
}

@keyframes orbPulse {
    0%, 100% {
        r: 6;
    }
    50% {
        r: 10;
    }
}

@keyframes corePulse {
    0%, 100% {
        r: 3;
    }
    50% {
        r: 5;
    }
}

/* Header */
.header {
    text-align: center;
    padding: 80px 20px 60px;
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-accent-primary),
        transparent
    );
}

.site-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    background: linear-gradient(
        135deg,
        var(--color-text-primary) 0%,
        var(--color-accent-primary) 50%,
        var(--color-accent-gold) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px var(--color-accent-glow);
}

.site-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.05em;
    font-style: italic;
}

.site-dedication {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--color-accent-gold);
    font-weight: 400;
    letter-spacing: 0.08em;
    font-style: italic;
    margin-top: 20px;
    opacity: 0.85;
}

/* Main Content */
.main-content {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* Orientation */
.orientation-section {
    margin: 0 auto 70px;
}

.orientation-panel {
    max-width: 980px;
    margin: 0 auto;
    padding: 34px;
    background: linear-gradient(180deg, rgba(26, 26, 40, 0.82) 0%, rgba(20, 20, 31, 0.78) 100%);
    border: 1px solid rgba(139, 126, 200, 0.24);
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.orientation-kicker {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--color-accent-gold);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin-bottom: 12px;
}

.orientation-panel h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 2.35rem);
    font-weight: 400;
    line-height: 1.15;
    text-align: center;
    color: var(--color-text-primary);
    margin-bottom: 18px;
}

.orientation-panel > p:not(.orientation-kicker) {
    max-width: 760px;
    margin: 0 auto 28px;
    color: var(--color-text-secondary);
    font-size: 1.02rem;
    text-align: center;
}

.orientation-panel em {
    color: var(--color-accent-gold);
}

.orientation-assessment {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 22px;
    align-items: center;
    max-width: 880px;
    margin: 4px auto 26px;
    padding: 18px 20px;
    color: var(--color-text-primary);
    text-decoration: none;
    background: rgba(13, 13, 20, 0.68);
    border: 1px solid rgba(201, 169, 98, 0.28);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.orientation-assessment:hover {
    border-color: rgba(201, 169, 98, 0.68);
    background: rgba(20, 20, 31, 0.88);
    box-shadow: 0 0 24px rgba(201, 169, 98, 0.12);
}

.orientation-assessment-label {
    color: var(--color-accent-gold);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
}

.orientation-assessment-text {
    grid-column: 1;
    color: var(--color-text-secondary);
    font-size: 0.96rem;
    line-height: 1.5;
}

.orientation-assessment-action {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding: 10px 14px;
    color: var(--color-accent-gold);
    font-size: 0.83rem;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    white-space: nowrap;
    border: 1px solid rgba(201, 169, 98, 0.35);
    border-radius: 4px;
}

/* Conceptual Overview gateway — five ways in */
.overview-gateway {
    max-width: 880px;
    margin: 4px auto 26px;
    padding: 22px 24px 24px;
    background: rgba(13, 13, 20, 0.68);
    border: 1px solid rgba(201, 169, 98, 0.28);
    border-radius: 8px;
}

.overview-gateway-label {
    display: block;
    text-align: center;
    color: var(--color-accent-gold);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin-bottom: 10px;
}

.overview-gateway-lead {
    max-width: 660px;
    margin: 0 auto 22px;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
}

.overview-gateway-lead em {
    color: var(--color-accent-gold);
}

.overview-gateway-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.overview-gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    padding: 20px 12px 16px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    background: rgba(20, 20, 31, 0.6);
    border: 1px solid rgba(139, 126, 200, 0.22);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.overview-gate:hover {
    border-color: rgba(201, 169, 98, 0.6);
    background: rgba(26, 26, 40, 0.92);
    box-shadow: 0 0 22px rgba(201, 169, 98, 0.12);
    transform: translateY(-3px);
}

.overview-gate:focus-visible {
    outline: 2px solid var(--color-accent-gold);
    outline-offset: 2px;
}

.overview-gate-icon {
    color: var(--color-accent-gold);
    margin-bottom: 4px;
}

.overview-gate-icon svg {
    width: 30px;
    height: 30px;
    display: block;
}

.overview-gate-kind {
    color: var(--color-text-primary);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.overview-gate-desc {
    color: var(--color-accent-gold);
    font-family: var(--font-display);
    font-size: 1.12rem;
    line-height: 1.25;
}

.overview-gate-meta {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .overview-gateway-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .overview-gate:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 420px) {
    .overview-gateway-grid {
        grid-template-columns: 1fr;
    }

    .overview-gate:last-child {
        grid-column: auto;
    }
}

/* Full-width "Ask AI" call-to-action below the gateway grid */
.overview-ask-ai {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 12px;
    padding: 15px 22px;
    font-family: var(--font-body);
    font-size: 1rem;
    letter-spacing: 0.04em;
    color: var(--color-accent-gold);
    background: linear-gradient(180deg, rgba(201, 169, 98, 0.10) 0%, rgba(139, 126, 200, 0.08) 100%);
    border: 1px solid rgba(201, 169, 98, 0.4);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.overview-ask-ai:hover {
    border-color: rgba(201, 169, 98, 0.75);
    background: linear-gradient(180deg, rgba(201, 169, 98, 0.16) 0%, rgba(139, 126, 200, 0.12) 100%);
    box-shadow: 0 0 24px rgba(201, 169, 98, 0.14);
    color: var(--color-text-primary);
}

.overview-ask-ai:focus-visible {
    outline: 2px solid var(--color-accent-gold);
    outline-offset: 2px;
}

.overview-ask-ai-icon {
    display: flex;
    color: var(--color-accent-gold);
}

.overview-ask-ai-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

/* Document Sections */
.document-section {
    margin-bottom: 80px;
}

.document-section.featured {
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 400;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-text-primary);
    letter-spacing: 0.1em;
    position: relative;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--color-accent-secondary),
        var(--color-accent-primary)
    );
}

/* Document Grid */
.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-items: center;
}

.document-grid.single {
    grid-template-columns: 1fr;
    max-width: 550px;
    margin: 0 auto;
}

.document-grid.matrix-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 1120px;
    margin: 0 auto;
    align-items: stretch;
}

.document-grid.matrix-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 750px;
    margin: 0 auto;
    align-items: stretch;
}

/* Document Cards */
.document-card {
    display: block;
    width: 100%;
    max-width: 350px;
    background: var(--color-bg-card);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
    border: 1px solid rgba(139, 126, 200, 0.1);
    position: relative;
}

.document-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(139, 126, 200, 0.3),
        transparent,
        rgba(201, 169, 98, 0.2)
    );
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.document-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    background: var(--color-bg-card-hover);
}

.document-card:hover::before {
    opacity: 1;
}

.document-card.main-document {
    max-width: 550px;
}

.document-card.main-document .card-image {
    height: 280px;
}

/* Compact card (half height, full width like main document) */
.document-card.compact-card {
    max-width: 550px;
}

.document-card.compact-card .card-image {
    height: 140px;
}

.document-card.compact-card .card-content {
    padding: 16px 24px;
}

.document-card.compact-card .card-content h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.document-card.compact-card .card-content p {
    font-size: 0.9rem;
}

/* Card Image */
.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-bg-secondary) 0%,
        var(--color-bg-card) 100%
    );
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.document-card:hover .card-image img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.document-card:hover .card-overlay {
    opacity: 1;
}

.view-text {
    padding: 12px 28px;
    background: var(--color-accent-primary);
    color: white;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(139, 126, 200, 0.4);
}

.document-card:hover .view-text {
    transform: translateY(0);
}

/* Card Content */
.card-content {
    padding: 24px;
}

.card-content h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.document-card:hover .card-content h3 {
    color: var(--color-accent-primary);
}

.card-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Cards with pending links */
.document-card[data-document] {
    cursor: default;
}

.document-card[data-document] .card-overlay {
    background: rgba(10, 10, 15, 0.85);
}

.document-card[data-document] .view-text {
    background: var(--color-text-muted);
    box-shadow: none;
}

.document-card[data-document]:hover {
    transform: translateY(-4px);
}

/* "Under construction" cards — inert, with a corner ribbon */
.document-card.under-construction {
    pointer-events: none;
    cursor: default;
}

.document-card.under-construction .card-image img {
    filter: grayscale(0.45) brightness(0.6);
}

.document-card.under-construction .card-content h3,
.document-card.under-construction .card-content p {
    opacity: 0.6;
}

.document-card.under-construction .card-overlay {
    display: none;
}

.construction-ribbon {
    position: absolute;
    top: 34px;
    right: -52px;
    width: 200px;
    transform: rotate(45deg);
    z-index: 6;
    text-align: center;
    padding: 6px 0;
    background: linear-gradient(
        135deg,
        #d8b86a 0%,
        var(--color-accent-gold) 50%,
        #a9823c 100%
    );
    color: #14141f;
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45);
    border-top: 1px solid rgba(255, 255, 255, 0.35);
    border-bottom: 1px solid rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

/* Footer */
.footer {
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(10, 10, 15, 0.8) 100%
    );
    padding: 60px 20px 40px;
    text-align: center;
    border-top: 1px solid rgba(139, 126, 200, 0.1);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.quote {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    letter-spacing: 0.03em;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--color-accent-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    padding: 8px 16px;
    border: 1px solid rgba(139, 126, 200, 0.3);
    border-radius: 4px;
}

.footer-links a:hover {
    background: rgba(139, 126, 200, 0.1);
    border-color: var(--color-accent-primary);
}

.footer-document-links {
    display: flex;
    justify-content: center;
    gap: 10px 18px;
    flex-wrap: wrap;
    margin: 0 auto 24px;
    max-width: 760px;
}

.footer-document-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    line-height: 1.4;
    transition: var(--transition-fast);
}

.footer-document-links a:hover {
    color: var(--color-accent-primary);
}

.copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Responsive Adjustments */
@media (max-width: 1100px) {
    .document-grid.matrix-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .orientation-panel {
        padding: 26px 20px;
    }

    .orientation-assessment {
        grid-template-columns: 1fr;
        gap: 10px;
        text-align: left;
    }

    .orientation-assessment-text,
    .orientation-assessment-action {
        grid-column: 1;
        grid-row: auto;
    }

    .orientation-assessment-action {
        justify-self: start;
        white-space: normal;
    }

    .header {
        padding: 60px 20px 40px;
    }

    .document-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .document-grid.matrix-3 {
        grid-template-columns: 1fr;
    }

    .document-grid.matrix-2 {
        grid-template-columns: 1fr;
    }

    .document-card {
        max-width: 100%;
    }

    .card-image {
        height: 180px;
    }

    .document-card.main-document .card-image {
        height: 220px;
    }

    .main-content {
        padding: 30px 16px 60px;
    }

    .document-section {
        margin-bottom: 50px;
    }
}

@media (max-width: 480px) {
    .site-title {
        letter-spacing: 0.08em;
    }

    .card-content {
        padding: 20px;
    }

    .card-content h3 {
        font-size: 1.2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.document-card:focus {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 4px;
}

.document-card:focus:not(:focus-visible) {
    outline: none;
}

/* Future Publication Cards */
.document-card.future-publication {
    opacity: 0.75;
}

.document-card.future-publication .card-image {
    filter: grayscale(20%);
}

.document-card.future-publication:hover {
    opacity: 1;
}

.document-card.future-publication:hover .card-image {
    filter: grayscale(0%);
}

/* Krishna (Final Resolution banner): taller image so the SVG reads */
.document-card[data-title="Krishna"] .card-image {
    height: 170px;
}

.footer-links a:focus {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}