/*
 Made with fury and hate for css by Gabriel <3
 "I hate css" edit counter: 0
*/

:root,
[data-theme="dark"] {
    /* Logo Palette Tokens (original + slightly more saturated variants) */
    --torus-indigo: #6b74b8;
    --torus-indigo-sat: #5c67cc;
    --torus-slate-blue: #4f77b3;
    --torus-slate-sat: #3b76cc;
    --torus-cyan-blue: #3079ab;
    --torus-cyan-sat: #1e88c9;
    --torus-mist: #b8c4e0;

    /* Core Dark Theme Surfaces (Crisp near-black & white with Torus blues) */
    --bg-primary: #0b0d12;
    --bg-secondary: #12161f;
    --bg-secondary-alpha: rgba(18, 22, 31, 0.85);
    --bg-elevated: #181d29;
    --text-primary: #ffffff;
    --text-secondary: #b8c4e0;
    --accent-primary: #4d8be6;
    --accent-secondary: #6b74b8;
    --accent-hover: #7eb0ff;
    --border-color: #262f42;
    --focus-ring: #f6e05e;
    --focus-offset: 3px;
    --btn-bg: #181d29;
    --btn-text: #ffffff;
    --btn-active-bg: #3b76cc;
    --btn-active-text: #ffffff;
}

/* Standard Light Mode */
[data-theme="light"] {
    --bg-primary: #f8fafd;
    --bg-secondary: #ffffff;
    --bg-secondary-alpha: rgba(255, 255, 255, 0.85);
    --bg-elevated: #eef2f9;
    --text-primary: #0b0d12;
    --text-secondary: #334155;
    --accent-primary: #2563af;
    --accent-secondary: #5861a8;
    --accent-hover: #1a4985;
    --border-color: #cbd5e1;
    --focus-ring: #d97706;
    --btn-bg: #ffffff;
    --btn-text: #0b0d12;
    --btn-active-bg: #2563af;
    --btn-active-text: #ffffff;
}

/* High Contrast Dark (WCAG AAA - Yellow/White on Pure Black) */
[data-theme="hc-dark"] {
    --bg-primary: #000000;
    --bg-secondary: #000000;
    --bg-secondary-alpha: #000000;
    --bg-elevated: #000000;
    --text-primary: #ffffff;
    --text-secondary: #ffff00;
    --accent-primary: #00ffff;
    --accent-secondary: #ffff00;
    --accent-hover: #ffff00;
    --border-color: #ffffff;
    --focus-ring: #ffff00;
    --btn-bg: #000000;
    --btn-text: #ffffff;
    --btn-active-bg: #ffff00;
    --btn-active-text: #000000;
}

/* High Contrast Light (WCAG AAA - Pure Black on Pure White) */
[data-theme="hc-light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-secondary-alpha: #ffffff;
    --bg-elevated: #ffffff;
    --text-primary: #000000;
    --text-secondary: #000000;
    --accent-primary: #00008b;
    --accent-secondary: #000000;
    --accent-hover: #000000;
    --border-color: #000000;
    --focus-ring: #ff0055;
    --btn-bg: #ffffff;
    --btn-text: #000000;
    --btn-active-bg: #000000;
    --btn-active-text: #ffffff;
}

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.15s ease, color 0.15s ease;
}

/* Universal Keyboard Focus Indicator */
:focus-visible {
    outline: 3px solid var(--focus-ring) !important;
    outline-offset: var(--focus-offset) !important;
}

/* Visually Hidden Utility for Screen Readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to Main Content Link */
.skip-link {
    position: absolute;
    top: -999px;
    left: 1rem;
    z-index: 1000;
    background-color: var(--btn-active-bg);
    color: var(--btn-active-text);
    padding: 0.65rem 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: 0.375rem;
}

.skip-link:focus {
    top: 1rem;
}

.container {
    width: 100%;
    max-width: 68rem;
    margin-inline: auto;
    padding-inline: 1.25rem;
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
    opacity: 0.25;
}

.bg-vignette {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 20%, var(--bg-primary) 85%);
}

[data-theme="hc-dark"] #matrix-canvas,
[data-theme="hc-light"] #matrix-canvas {
    display: none !important;
}

/* Header & Compact Accessibility Bar (Under Main Header) */
.site-header {
    background-color: var(--bg-secondary-alpha);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-main {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-block: 1.1rem;
    gap: 1rem;
}

.site-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.site-brand-dot {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--torus-indigo-sat, #6b74b8), var(--torus-cyan-sat, #3079ab));
    display: inline-block;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    text-transform: capitalize;
    padding: 0.35rem 0.5rem;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
    color: var(--accent-hover);
    border-bottom-color: var(--accent-primary);
}

.nav-link[aria-current="page"] {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Compact Accessibility Bar below main header */
.a11y-bar {
    background-color: var(--bg-elevated);
    padding-block: 0.3rem;
    font-size: 0.75rem;
}

.a11y-bar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}

.a11y-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
}

.a11y-group-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 0.15rem;
    font-size: 0.72rem;
}

.a11y-btn {
    appearance: none;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.18rem 0.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.a11y-btn:hover {
    border-color: var(--accent-primary);
}

.a11y-btn[aria-pressed="true"] {
    background-color: var(--btn-active-bg);
    color: var(--btn-active-text);
    border-color: var(--btn-active-bg);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Main Content Area */
.site-main {
    flex: 1;
    padding-block: 2.5rem;
}

/* First Section: Hero Split (ASCII Torus on Left, Text on Right) */
.hero-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.75rem;
    margin-bottom: 2rem;
}

@media (min-width: 52rem) {
    .hero-section {
        grid-template-columns: minmax(18rem, 26rem) 1fr;
        padding: 2.25rem;
    }
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.25rem 0.75rem;
    overflow: hidden;
}

.ascii-torus {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: clamp(0.46rem, 1.05vw, 0.7rem);
    line-height: 1.18;
    letter-spacing: 0.05em;
    font-weight: 600;
    white-space: pre;
    user-select: none;
    margin: 0;
    text-align: center;
}

/* Ensure WCAG AAA legibility for ASCII art in High Contrast modes */
[data-theme="hc-dark"] .ascii-torus span {
    color: var(--accent-primary) !important;
}

[data-theme="hc-light"] .ascii-torus span {
    color: var(--text-primary) !important;
}

.hero-text h1 {
    margin-top: 0;
}

.hero-text p:last-child {
    margin-bottom: 0;
}

.content-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.site-main h1 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-top: 0;
    margin-bottom: 1rem;
    line-height: 1.25;
}

.site-main h2 {
    font-size: 1.35rem;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.site-main p {
    color: var(--text-secondary);
    margin-top: 0;
    margin-bottom: 1rem;
    max-width: 70ch;
}

.site-main a {
    color: var(--accent-primary);
    text-underline-offset: 3px;
    font-weight: 600;
}

.site-main a:hover {
    color: var(--accent-hover);
}

/* Footer */
.site-footer {
    background-color: var(--bg-secondary);
    padding-block: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.media-card {
    --card-radius: 0.75rem;
    display: grid;
    grid-template-columns: 1fr;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    overflow: hidden;
    margin-bottom: 2rem;
}

.media-card__figure {
    margin: 0;
    position: relative;
    min-height: 15rem;
    background-color: var(--bg-elevated);
    overflow: hidden;
}

.media-card__img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    border-radius: calc(var(--card-radius) - 1px) calc(var(--card-radius) - 1px) 0 0;
}

.media-card__body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.media-card__body h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
}

.media-card__body p {
    color: var(--text-secondary);
    margin-top: 0;
    margin-bottom: 1rem;
}

.media-card__body p:last-child {
    margin-bottom: 0;
}

@media (min-width: 48rem) {
    .media-card__body {
        padding: 2.25rem;
    }

    .media-card--left {
        grid-template-columns: minmax(16rem, 40%) 1fr;
    }

    .media-card--left .media-card__figure {
        order: 1;
        border-right: 1px solid var(--border-color);
    }

    .media-card--left .media-card__img {
        border-radius: calc(var(--card-radius) - 1px) 0 0 calc(var(--card-radius) - 1px);
    }

    .media-card--left .media-card__body {
        order: 2;
    }

    .media-card--right {
        grid-template-columns: 1fr minmax(16rem, 40%);
    }

    .media-card--right .media-card__body {
        order: 1;
    }

    .media-card--right .media-card__figure {
        order: 2;
        border-left: 1px solid var(--border-color);
    }

    .media-card--right .media-card__img {
        border-radius: 0 calc(var(--card-radius) - 1px) calc(var(--card-radius) - 1px) 0;
    }
}

.faq-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.75rem;
    margin-bottom: 2rem;
}

@media (min-width: 48rem) {
    .faq-section {
        padding: 2.25rem;
    }
}

.faq-header {
    margin-bottom: 1.25rem;
}

.faq-header h2 {
    margin: 0 0 0.4rem 0;
    font-size: 1.45rem;
}

.faq-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: border-color 0.15s ease;
}

.faq-item[open] {
    border-color: var(--accent-primary);
}

.faq-question {
    padding: 1rem 1.25rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-elevated);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    color: var(--accent-hover);
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--accent-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.2s ease, background-color 0.15s ease;
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background-color: var(--btn-active-bg);
    color: var(--btn-active-text);
    border-color: var(--btn-active-bg);
}

.faq-answer {
    padding: 1.1rem 1.25rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

.faq-answer p {
    margin: 0;
}

.code-snippet {
    background-color: #050505;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-block: 1rem;
    overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, "Cascadia Code", monospace;
    font-size: 0.9rem;
    color: #6ee7b7;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .code-snippet {
    background-color: #f1f5f9;
    color: #0f172a;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

[data-theme="hc-dark"] .code-snippet,
[data-theme="hc-light"] .code-snippet {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}