/* neumann.css - John von Neumann Profile Styles */

:root {
    --neumann-bg: #fdfdfd;
    --neumann-text: #1a1b1e;
    --neumann-accent: #c0392b; /* Atomic Red */
    --neumann-accent-secondary: #d4af37; /* Gold / Brass */
    --neumann-border: rgba(192, 57, 43, 0.15);
    --neumann-surface: rgba(255, 255, 255, 0.8);
    --neumann-code-bg: #f1f3f5;
    --neumann-structure: #2c3e50;
    --grid-color: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .neumann-theme {
    --neumann-bg: #080a0f;
    --neumann-text: #e1e4e8;
    --neumann-accent: #ff4d4d;
    --neumann-accent-secondary: #ffcc00;
    --neumann-border: rgba(255, 77, 77, 0.15);
    --neumann-surface: rgba(18, 21, 26, 0.7);
    --neumann-code-bg: #05070a;
    --neumann-structure: #1b2631;
    --grid-color: rgba(255, 255, 255, 0.02);
}

body.neumann-theme {
    background-color: var(--neumann-bg);
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    color: var(--neumann-text);
    transition: background-color 0.4s ease, color 0.4s ease;
    font-size: 17px;
}

.neumann-container {
    max-width: 850px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header */
.header-main {
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
    border-bottom: 2px solid var(--neumann-border);
    margin-bottom: 4rem;
}

.header-main::before {
    content: 'POW(2, n) | GAME_THEORY | EDVAC | MANHATTAN';
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--neumann-accent);
    opacity: 0.4;
    letter-spacing: 0.4em;
    white-space: nowrap;
}

.status-pill {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 6px 14px;
    border: 1px solid var(--neumann-accent);
    color: var(--neumann-accent);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    margin: 0 6px;
    text-transform: uppercase;
    font-weight: 600;
}

.main-title {
    font-size: clamp(3.5rem, 10vw, 5.5rem);
    font-weight: 800;
    line-height: 0.9;
    margin: 1.5rem 0;
    letter-spacing: -0.04em;
    color: var(--neumann-text);
    font-family: 'Inter', sans-serif;
}

.role-desc {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neumann-accent);
    margin-bottom: 1.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 500;
}

.tagline {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--neumann-text);
    opacity: 0.85;
    margin-bottom: 2rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-style: italic;
}

/* Hero Section */
.hero-image-box {
    width: 100%;
    aspect-ratio: 16 / 10;
    height: auto;
    margin-bottom: 5rem;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--neumann-border);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
}

.hero-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hero-image-box:hover img {
    transform: scale(1.03);
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: white;
}

.hero-overlay p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    max-width: 500px;
    margin: 0;
}

/* CARDS */
.block-card {
    background: var(--neumann-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--neumann-border);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.block-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--neumann-accent);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: 1.5rem;
    background: rgba(192, 57, 43, 0.08);
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    font-weight: 600;
}

.block-card h3 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.block-card p {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--neumann-text);
    opacity: 0.9;
}

.quote-box {
    border-left: 2px solid var(--neumann-accent);
    padding: 1.5rem 2rem;
    background: rgba(192, 57, 43, 0.03);
    margin: 2rem 0;
    border-radius: 0 12px 12px 0;
}

.quote-box p {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--neumann-accent);
    margin: 0;
    line-height: 1.6;
}

.arch-visual {
    background: var(--neumann-code-bg);
    padding: 2.5rem;
    border-radius: 12px;
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 1.7;
    margin: 2.5rem 0;
    border: 1px solid var(--neumann-border);
    position: relative;
    border-left: 4px solid var(--neumann-accent-secondary);
}

/* Legacy Grid */
.legacy-item {
    background: rgba(0, 0, 0, 0.02);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--neumann-border);
    transition: all 0.3s ease;
}

[data-theme="dark"] .legacy-item {
    background: rgba(255, 255, 255, 0.02);
}

.legacy-item:hover {
    background: var(--neumann-surface);
    transform: scale(1.02);
    border-color: var(--neumann-accent-secondary);
}

.legacy-item h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Nav & Toggle */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    background: var(--neumann-bg);
    border-bottom: 1px solid var(--neumann-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-brand {
    font-family: var(--font-mono);
    font-weight: 800;
    color: var(--neumann-accent);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.theme-toggle {
    background: var(--neumann-code-bg);
    border: 1px solid var(--neumann-border);
    color: var(--neumann-accent);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--neumann-accent);
    color: white;
}

@media (max-width: 600px) {
    .block-card {
        padding: 2rem;
    }
    .main-title {
        font-size: 3rem;
    }
}