/* turing.css - Alan Turing Profile Styles */

:root {
    --turing-bg: #f0f2f5;
    --turing-text: #1a1b1e;
    --turing-accent: #2a5298;
    /* Mathematical Blue */
    --turing-accent-secondary: #f39c12;
    /* Idea Orange */
    --turing-border: rgba(42, 82, 152, 0.2);
    --turing-surface: #ffffff;
    --turing-code-bg: #e1e4e8;
    --turing-neon: #3498db;
}

[data-theme="dark"] .turing-theme {
    --turing-bg: #0d1117;
    --turing-text: #c9d1d9;
    --turing-accent: #58a6ff;
    --turing-accent-secondary: #d29922;
    --turing-border: rgba(88, 166, 255, 0.3);
    --turing-surface: #161b22;
    --turing-code-bg: #010409;
    --turing-neon: #00d2ff;
}

body.turing-theme {
    background-color: var(--turing-bg);
    color: var(--turing-text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.turing-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

/* Header */
.header-main {
    padding: calc(var(--space-xl) * 2) 0 var(--space-xl);
    text-align: center;
    border-bottom: 2px solid var(--turing-border);
    margin-bottom: var(--space-xl);
    position: relative;
}

.header-main::before {
    content: '101101010110';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--turing-accent);
    opacity: 0.3;
    letter-spacing: 0.5em;
}

.status-pill {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 12px;
    border: 1px solid var(--turing-accent);
    color: var(--turing-accent);
    border-radius: 4px;
    margin: 0 5px;
    text-transform: uppercase;
}

.main-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1;
    margin: var(--space-md) 0;
    letter-spacing: -0.05em;
    color: var(--turing-text);
    font-family: 'Inter', sans-serif;
}

.tagline {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--turing-accent-secondary);
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

/* Hero Image Section */
.hero-image-box {
    width: 100%;
    height: 450px;
    margin-bottom: var(--space-2xl);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--turing-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
}

/* Block Cards */
.block-card {
    background: var(--turing-surface);
    border: 1px solid var(--turing-border);
    border-radius: 12px;
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.block-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--turing-accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
    background: var(--turing-code-bg);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.block-card h3 {
    font-size: 2.2rem;
    margin-bottom: var(--space-md);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.block-card p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--space-md);
    color: var(--turing-text);
}

/* Child Machine Concept Area */
.child-machine-demo {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    align-items: center;
}

.machine-learning-visual {
    flex: 1;
    background: var(--turing-code-bg);
    height: 200px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px dashed var(--turing-border);
}

.machine-learning-visual::after {
    content: 'INSTRUCTION(CHILD) → REWARD(+) → LEARNING';
    font-family: var(--font-mono);
    font-size: 0.8rem;
    opacity: 0.6;
}

.prediction-box {
    border-left: 4px solid var(--turing-accent-secondary);
    padding: var(--space-lg);
    background: rgba(243, 156, 18, 0.05);
    margin-top: var(--space-xl);
}

.prediction-header {
    font-weight: 800;
    color: var(--turing-accent-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

/* Navigation Overrides */
.nav-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(var(--turing-bg), 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--turing-border);
}

.nav-brand {
    text-decoration: none;
    color: var(--turing-accent);
    font-family: var(--font-mono);
    font-weight: bold;
}

@media (max-width: 768px) {
    .child-machine-demo {
        flex-direction: column;
    }

    .hero-image-box {
        height: 300px;
    }
}