/* Turing Test Club - Brutalist Frost Aesthetic */

:root {
    /* Palette */
    --color-substrate: #1e2228;
    --color-surface-primary: rgba(160, 180, 200, 0.10);
    --color-surface-elevated: rgba(190, 205, 220, 0.18);
    --color-text-primary: #e8edf3;
    --color-text-secondary: #8a95a5;
    --color-accent-pass: #5ec4d4;
    --color-accent-fail: #d4667a;
    --color-accent-examine: #d4b85e;
    --color-highlight: rgba(94, 196, 212, 0.15);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-display: 'Baloo 2', sans-serif;
    --font-body: 'Nunito', sans-serif;
    --font-mono: 'Inconsolata', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-substrate);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.72;
    letter-spacing: 0.01em;
    overflow: hidden;
    position: relative;
}

/* Concrete texture background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="4"/></filter><rect width="100" height="100" filter="url(%23noise)"/></svg>') no-repeat;
    background-size: 100% 100%;
    opacity: 0.03;
    mix-blend-mode: overlay;
    pointer-events: none;
    z-index: -1;
}

.site-container {
    display: flex;
    width: 100%;
    height: 100vh;
    position: relative;
}

/* Navigation button - Octagon */
.nav-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.octagon-svg {
    width: 100%;
    height: 100%;
    color: var(--color-border-light);
    transition: color 0.3s ease;
}

.nav-button:hover .octagon-svg {
    color: var(--color-accent-pass);
}

/* Navigation overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-substrate);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.nav-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.nav-content {
    text-align: center;
}

.nav-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 3rem;
}

.nav-list {
    list-style: none;
}

.nav-link {
    display: inline-block;
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--color-text-primary);
    text-decoration: none;
    margin: 1rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--color-surface-elevated);
    border-color: var(--color-accent-pass);
}

/* Examination container with scroll snap */
.examination-container {
    width: 100%;
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

.examination-container::-webkit-scrollbar {
    width: 8px;
}

.examination-container::-webkit-scrollbar-track {
    background: transparent;
}

.examination-container::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

/* Examination chambers */
.examination-chamber {
    width: 100%;
    height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 4px;
    padding: 2rem;
    position: relative;
    animation: chamber-enter 0.8s ease-out;
}

@keyframes chamber-enter {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Chamber 1 - Large blocks layout */
#chamber-1 {
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(8, 1fr);
}

#chamber-1 .block-xl-1 {
    grid-column: 1 / 7;
    grid-row: 1 / 4;
}

#chamber-1 .block-lg-1 {
    grid-column: 7 / 11;
    grid-row: 1 / 3;
}

#chamber-1 .block-md-1 {
    grid-column: 1 / 4;
    grid-row: 4 / 7;
}

#chamber-1 .block-sm-1 {
    grid-column: 4 / 6;
    grid-row: 4 / 6;
}

#chamber-1 .block-sm-2 {
    grid-column: 6 / 8;
    grid-row: 4 / 6;
}

#chamber-1 .block-xs-1 {
    grid-column: 8 / 11;
    grid-row: 3 / 6;
}

/* Chamber 2 - Medium blocks mosaic */
#chamber-2 {
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(8, 1fr);
}

#chamber-2 .block-lg-2 {
    grid-column: 1 / 6;
    grid-row: 1 / 4;
}

#chamber-2 .block-md-2 {
    grid-column: 6 / 10;
    grid-row: 1 / 3;
}

#chamber-2 .block-md-3 {
    grid-column: 10 / 13;
    grid-row: 1 / 4;
}

#chamber-2 .block-sm-3 {
    grid-column: 1 / 3;
    grid-row: 4 / 6;
}

#chamber-2 .block-sm-4 {
    grid-column: 3 / 5;
    grid-row: 4 / 6;
}

#chamber-2 .block-sm-5 {
    grid-column: 5 / 7;
    grid-row: 4 / 6;
}

#chamber-2 .block-xs-2 {
    grid-column: 7 / 9;
    grid-row: 4 / 6;
}

#chamber-2 .block-xs-3 {
    grid-column: 9 / 11;
    grid-row: 4 / 6;
}

#chamber-2 .block-xs-4 {
    grid-column: 11 / 13;
    grid-row: 4 / 6;
}

/* Chamber 3 - Mixed layout */
#chamber-3 {
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(8, 1fr);
}

#chamber-3 .block-lg-3 {
    grid-column: 1 / 5;
    grid-row: 1 / 4;
}

#chamber-3 .block-md-4 {
    grid-column: 5 / 9;
    grid-row: 1 / 3;
}

#chamber-3 .block-md-5 {
    grid-column: 9 / 13;
    grid-row: 1 / 4;
}

#chamber-3 .block-sm-6 {
    grid-column: 1 / 3;
    grid-row: 4 / 6;
}

#chamber-3 .block-sm-7 {
    grid-column: 3 / 5;
    grid-row: 4 / 6;
}

#chamber-3 .block-xs-5 {
    grid-column: 5 / 7;
    grid-row: 4 / 6;
}

#chamber-3 .block-xs-6 {
    grid-column: 7 / 9;
    grid-row: 4 / 6;
}

#chamber-3 .block-xs-7 {
    grid-column: 9 / 11;
    grid-row: 4 / 6;
}

#chamber-3 .block-xs-8 {
    grid-column: 11 / 13;
    grid-row: 4 / 6;
}

/* Blocks - Frosted glass panels */
.block {
    background: var(--color-surface-primary);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 30px rgba(180, 200, 220, 0.06);
    transition: all 0.3s ease;
    animation: block-fade-in 0.5s ease-out backwards;
}

.block[data-block="1"] { animation-delay: 0ms; }
.block[data-block="2"] { animation-delay: 80ms; }
.block[data-block="3"] { animation-delay: 160ms; }
.block[data-block="4"] { animation-delay: 240ms; }
.block[data-block="5"] { animation-delay: 320ms; }
.block[data-block="6"] { animation-delay: 400ms; }
.block[data-block="7"] { animation-delay: 0ms; }
.block[data-block="8"] { animation-delay: 80ms; }
.block[data-block="9"] { animation-delay: 160ms; }
.block[data-block="10"] { animation-delay: 240ms; }
.block[data-block="11"] { animation-delay: 320ms; }
.block[data-block="12"] { animation-delay: 400ms; }
.block[data-block="13"] { animation-delay: 480ms; }
.block[data-block="14"] { animation-delay: 560ms; }
.block[data-block="15"] { animation-delay: 640ms; }
.block[data-block="16"] { animation-delay: 0ms; }
.block[data-block="17"] { animation-delay: 80ms; }
.block[data-block="18"] { animation-delay: 160ms; }
.block[data-block="19"] { animation-delay: 240ms; }
.block[data-block="20"] { animation-delay: 320ms; }
.block[data-block="21"] { animation-delay: 400ms; }
.block[data-block="22"] { animation-delay: 480ms; }
.block[data-block="23"] { animation-delay: 560ms; }
.block[data-block="24"] { animation-delay: 640ms; }

@keyframes block-fade-in {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.block:hover {
    backdrop-filter: blur(20px);
    background: var(--color-surface-elevated);
    box-shadow: inset 0 0 40px rgba(180, 200, 220, 0.12);
}

/* Block content */
.chamber-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 0.95;
    margin: 0;
    animation: title-stagger 1s ease-out;
}

@keyframes title-stagger {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chamber-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: 1rem;
}

.block-heading {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2vw, 1.6rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.block-text {
    font-size: clamp(0.95rem, 1.2vw, 1.15rem);
    color: var(--color-text-primary);
    line-height: 1.6;
}

.block-code {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(232, 237, 243, 0.4);
}

.block-icon {
    width: 60px;
    height: 60px;
    color: var(--color-accent-pass);
    opacity: 0.8;
    margin: 0.5rem 0;
}

/* Verdict badges */
.verdict {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.verdict-pass {
    border-color: var(--color-accent-pass);
    color: var(--color-accent-pass);
}

.verdict-pass:hover {
    background: var(--color-accent-pass);
    color: var(--color-substrate);
}

.verdict-fail {
    border-color: var(--color-accent-fail);
    color: var(--color-accent-fail);
}

.verdict-fail:hover {
    background: var(--color-accent-fail);
    color: var(--color-substrate);
}

.verdict-examine {
    border-color: var(--color-accent-examine);
    color: var(--color-accent-examine);
}

.verdict-examine:hover {
    background: var(--color-accent-examine);
    color: var(--color-substrate);
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(94, 196, 212, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

/* Transition shapes between chambers */
.transition-shape {
    width: 100%;
    height: 100vh;
    scroll-snap-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.transition-shape svg {
    width: 40vw;
    height: 40vw;
    max-width: 500px;
    max-height: 500px;
    color: var(--color-border-light);
    opacity: 0;
    animation: shape-fade 0.6s ease-in-out;
}

@keyframes shape-fade {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(1.1);
    }
}

/* Ambient breathing animation */
@keyframes breath {
    0%, 100% {
        --blur: 12px;
        --opacity: 0.10;
    }
    50% {
        --blur: 14px;
        --opacity: 0.12;
    }
}

.examination-chamber {
    animation: breath 12s ease-in-out infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .examination-chamber {
        padding: 1rem;
        gap: 2px;
    }

    .block {
        padding: 1rem;
    }

    .chamber-title {
        font-size: clamp(1.8rem, 5vw, 3rem);
    }

    .block-icon {
        width: 40px;
        height: 40px;
    }

    .nav-button {
        width: 48px;
        height: 48px;
    }
}

/* Print styles - hide interactive elements */
@media print {
    .nav-button,
    .nav-overlay,
    .transition-shape {
        display: none;
    }
}