/* PLUTARCO — Style
   Machine precision on elemental chaos
   ========================================= */

:root {
    /* Colors */
    --oxidized-black: #1a1614;
    --bone-white: #f5f2eb;
    --rust: #8b4513;
    --rust-light: #a0522d;
    --metal-dark: #0d0c0b;
    --metal-mid: #2a2522;
    
    /* Typography */
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    color: var(--bone-white);
    background-color: var(--oxidized-black);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    mix-blend-mode: difference;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--bone-white);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bone-white);
    opacity: 0.6;
    transition: opacity 0.3s var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 24px;
    height: 1px;
    background: var(--bone-white);
    transition: transform 0.3s var(--ease-out);
}

/* Hero (Home) */
.home {
    background: 
        radial-gradient(ellipse at 30% 70%, rgba(139, 69, 19, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(139, 69, 19, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, var(--metal-dark) 0%, var(--oxidized-black) 50%, var(--metal-mid) 100%);
    background-size: 100% 100%;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 12vw, 10rem);
    font-weight: 700;
    letter-spacing: 0.3em;
    margin-right: -0.3em;
    line-height: 0.9;
    color: var(--bone-white);
    margin-bottom: var(--space-md);
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: clamp(0.875rem, 2vw, 1.125rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--bone-white);
    opacity: 0.5;
}

.hero-signature {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    font-size: 1.5rem;
    opacity: 0.3;
    transition: opacity 0.3s var(--ease-out);
}

.hero-signature:hover {
    opacity: 0.6;
}

/* Page Layout */
.page {
    min-height: 100vh;
    padding: calc(var(--space-xl) + var(--space-lg)) var(--space-lg) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: var(--space-xl);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Prose */
.prose {
    max-width: 680px;
}

.prose p {
    margin-bottom: var(--space-md);
}

.prose .lede {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--space-lg);
}

.prose .signature {
    margin-top: var(--space-lg);
    font-style: italic;
    opacity: 0.7;
}

/* Process Steps */
.process-steps {
    max-width: 800px;
}

.process-step {
    margin-bottom: var(--space-xl);
    padding-left: var(--space-lg);
    border-left: 1px solid rgba(139, 69, 19, 0.3);
}

.process-step h2 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: var(--space-sm);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.portfolio-item {
    cursor: pointer;
}

.portfolio-image {
    aspect-ratio: 4/3;
    background: var(--metal-mid);
    margin-bottom: var(--space-sm);
    position: relative;
    overflow: hidden;
    transition: transform 0.6s var(--ease-out);
}

.portfolio-item.placeholder .portfolio-image {
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(139, 69, 19, 0.05) 10px,
            rgba(139, 69, 19, 0.05) 20px
        ),
        var(--metal-mid);
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.02);
}

.portfolio-info h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.portfolio-info p {
    font-size: 0.75rem;
    opacity: 0.5;
    line-height: 1.5;
}

/* Connect */
.connect-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.connect-section h2 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: var(--space-sm);
}

.connect-section p {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-bottom: var(--space-sm);
}

.connect-link {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(245, 242, 235, 0.2);
    padding-bottom: 2px;
    transition: border-color 0.3s var(--ease-out);
}

.connect-link:hover {
    border-color: var(--rust);
}

/* Footer */
.footer {
    padding: var(--space-lg);
    text-align: center;
}

.footer-sig {
    font-size: 1.25rem;
    opacity: 0.2;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav {
        padding: var(--space-sm) var(--space-md);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--oxidized-black);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s var(--ease-out), visibility 0.3s;
    }
    
    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1rem;
    }
    
    .page {
        padding: calc(var(--space-lg) + var(--space-lg)) var(--space-md) var(--space-lg);
    }
    
    .hero {
        padding: var(--space-lg) var(--space-md);
    }
    
    .hero-signature {
        bottom: var(--space-md);
        right: var(--space-md);
    }
    
    .process-step {
        padding-left: var(--space-md);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* Selection */
::selection {
    background: var(--rust);
    color: var(--bone-white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--oxidized-black);
}

::-webkit-scrollbar-thumb {
    background: var(--metal-mid);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--rust);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--rust);
    outline-offset: 4px;
}