/* ========================================
   Tamzrod — Distinctive Personal Space
   ======================================== */

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

:root {
    --black: #0a0a0a;
    --white: #fafafa;
    --gray-1: #e0e0e0;
    --gray-2: #a0a0a0;
    --gray-3: #606060;
    --gray-4: #303030;
    --accent: #e8c4a0;
    --accent-dim: #8b7355;
    
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'Sora', system-ui, sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    --max-width: 1400px;
    --content-width: 900px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    background: var(--black);
    color: var(--gray-1);
    line-height: 1.7;
    min-height: 100vh;
}

/* Grain overlay */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Layout */
.layout {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   Header
   ======================================== */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--gray-4);
}

.wordmark {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
}

.site-nav {
    display: flex;
    gap: var(--space-md);
}

.site-nav a {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--gray-2);
    transition: color 0.2s;
}

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

/* ========================================
   Sections
   ======================================== */
main > section {
    position: relative;
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--gray-4);
}

.section-index {
    position: absolute;
    top: var(--space-md);
    right: 0;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--gray-4);
    letter-spacing: 0.1em;
}

/* ========================================
   Hero
   ======================================== */
.hero-section {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-bottom: 1px solid var(--gray-4);
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.hero-index {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--gray-4);
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--gray-3);
    letter-spacing: 0.05em;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 0.85;
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.hero-title-line {
    display: block;
}

.hero-statement {
    font-family: var(--font-sans);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 300;
    color: var(--gray-2);
    max-width: 500px;
}

/* ========================================
   Philosophy
   ======================================== */
.philosophy-content {
    max-width: var(--content-width);
}

.main-statement {
    margin-bottom: var(--space-xl);
}

.main-statement p {
    font-family: var(--font-sans);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 400;
    line-height: 1.3;
    color: var(--white);
}

.main-statement p:not(:last-child) {
    margin-bottom: var(--space-sm);
}

.principles-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-3);
}

.principle-flow-sep {
    color: var(--gray-4);
}

/* ========================================
   About
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.about-lead {
    font-family: var(--font-sans);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.about-col p {
    font-size: 0.9375rem;
    color: var(--gray-2);
    margin-bottom: var(--space-sm);
}

.about-aside {
    max-width: 600px;
    padding-left: calc(var(--content-width) - 600px;
}

.about-aside p {
    font-size: 0.875rem;
    color: var(--gray-3);
    margin-bottom: var(--space-sm);
}

/* ========================================
   Work
   ======================================== */
.work-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: var(--content-width);
}

.work-item {
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--gray-4);
}

.work-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-4);
    margin-bottom: var(--space-xs);
}

.work-name {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.work-name a {
    color: var(--white);
    transition: color 0.2s;
}

.work-name a:hover {
    color: var(--accent);
}

.work-desc {
    font-size: 0.8125rem;
    color: var(--gray-3);
}

/* ========================================
   Probe
   ======================================== */
.probe-header {
    margin-bottom: var(--space-lg);
}

.probe-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: var(--space-xs);
}

.probe-subtitle {
    font-size: 0.875rem;
    color: var(--gray-3);
}

.probe-container {
    max-width: 600px;
}

/* Start state */
.probe-start {
    display: flex;
}

.probe-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--gray-1);
    background: transparent;
    border: 1px solid var(--gray-3);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: all 0.2s;
}

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

.probe-btn-icon {
    width: 16px;
    height: 16px;
}

/* Question state */
.probe-flow {
    display: none;
}

.probe-flow.active {
    display: block;
}

.probe-question {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.probe-q-index {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--gray-4);
    display: block;
    margin-bottom: var(--space-sm);
}

.probe-q-text {
    font-family: var(--font-sans);
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--white);
    margin-bottom: var(--space-lg);
    line-height: 1.4;
}

.probe-q-options {
    display: grid;
    gap: var(--space-xs);
}

.probe-option {
    display: block;
    width: 100%;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--gray-2);
    background: transparent;
    border: 1px solid var(--gray-4);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: all 0.2s;
}

.probe-option:hover {
    color: var(--white);
    border-color: var(--gray-3);
    background: rgba(255, 255, 255, 0.02);
}

.probe-option.selected {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(232, 196, 160, 0.05);
}

/* Viz state */
.probe-viz {
    display: none;
    animation: fadeIn 0.6s ease;
}

.probe-viz.active {
    display: block;
}

#probeCanvas {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    margin-bottom: var(--space-lg);
}

.probe-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.probe-result-item {
    text-align: center;
}

.probe-result-label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--gray-3);
    display: block;
    margin-bottom: 4px;
}

.probe-result-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
}

.probe-reset {
    display: block;
    margin: var(--space-lg) auto 0;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--gray-3);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.probe-reset:hover {
    color: var(--gray-1);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--gray-3);
    transition: color 0.2s;
}

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

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--gray-4);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-aside {
        padding-left: 0;
    }
    
    .work-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --space-md: 1rem;
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
    }
    
    .layout {
        padding: 0 var(--space-sm);
    }
    
    .site-nav {
        gap: var(--space-sm);
    }
    
    .site-nav a {
        font-size: 0.625rem;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .hero-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .section-index {
        position: relative;
        top: 0;
        margin-bottom: var(--space-sm);
    }
    
    .main-statement p {
        font-size: 1.25rem;
    }
    
    .principles-flow {
        font-size: 0.625rem;
    }
    
    .probe-results {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    
    .site-footer {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    .grain {
        display: none;
    }
}