/* Landing Page Styles
 * Dark minimal landing with navigation cards
 * Fonts: Cormorant (display) + Instrument Sans (body)
 */

:root {
    --bg-primary: #0D0D0F;
    --bg-secondary: #151518;
    --text-primary: #F5F5F4;
    --text-secondary: #A1A1A6;
    --text-muted: #6B6B70;
    --accent-technical: #60A5FA;
    --accent-personal: #F9A875;
    --border-subtle: rgba(255, 255, 255, 0.08);
    
    --font-display: 'Cormorant', Georgia, serif;
    --font-body: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset Quarto defaults for custom layout */
body {
    background: var(--bg-primary) !important;
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* Hide Quarto navbar on landing page */
.navbar {
    display: none !important;
}

/* Hide any Quarto-generated header */
#quarto-header {
    display: none !important;
}

/* Subtle grain texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.025;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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");
    z-index: 0;
}

/* Main landing content */
.landing-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    min-height: calc(100vh - 80px);
}

/* Intro section */
.landing-intro {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.landing-name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.landing-tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto;
    font-weight: 400;
}

.landing-tagline em {
    font-style: italic;
    color: var(--text-primary);
    font-family: var(--font-display);
}

/* Navigation Cards */
.landing-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 600px;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.25s both;
}

.nav-card {
    position: relative;
    padding: 2rem 1.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.5s var(--ease-out-expo);
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--card-accent, var(--text-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
}

.nav-card:hover::before {
    transform: scaleX(1);
}

.nav-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
}

.nav-card--technical {
    --card-accent: var(--accent-technical);
}

.nav-card--personal {
    --card-accent: var(--accent-personal);
}

.nav-card__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.nav-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.nav-card__desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.nav-card__arrow {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 24px;
    height: 24px;
    opacity: 0;
    transform: translate(-8px, 8px);
    transition: all 0.4s var(--ease-out-expo);
    color: var(--card-accent);
}

.nav-card:hover .nav-card__arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* Social Links */
.landing-social {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.3s var(--ease-out-expo);
}

.social-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* About link */
.landing-about-link {
    margin-top: 3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    transition: all 0.3s var(--ease-out-expo);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s both;
}

.landing-about-link:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.03);
}

/* Footer */
.landing-footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

/* Responsive */
@media (max-width: 600px) {
    .landing-nav {
        grid-template-columns: 1fr;
    }
    
    .landing-social {
        gap: 1rem;
    }
    
    .landing-main {
        padding: 2rem 1.5rem;
    }
}

/* Entry animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}