/* --- THEME: Titanium Dark (Apple Aesthetic) --- */
:root {
    --bg-body: #000000;
    --bg-card: #1d1d1f;
    --bg-card-hover: #2d2d2f;
    
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    
    --accent-blue: #2997ff;
    
    --nav-glass: rgba(29, 29, 31, 0.72);
    --border-subtle: rgba(255, 255, 255, 0.1);
    
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-stack);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

/* --- NAV --- */
.nav-container {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem;
    display: flex;
    justify-content: center;
}

.nav-content {
    background: var(--nav-glass);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    padding: 0.75rem 2rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 3rem;
    border: 1px solid var(--border-subtle);
    max-width: 100%;
}

.nav-logo {
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--accent-blue); }

.nav-cta {
    background: var(--text-primary);
    color: var(--bg-body);
    padding: 0.4rem 1rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.nav-cta:hover { opacity: 0.9; }

/* --- HERO --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* CHANGED: Added generous top padding to clear the fixed nav bar */
    padding: 8rem 2rem 6rem; 
}

/* IDENTITY STYLE */
.hero-identity {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: block;
}

.headline {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    background: linear-gradient(180deg, #fff, #86868b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.sub-headline {
    color: var(--text-secondary);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 400;
}

.link-arrow {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.link-arrow:hover .arrow { transform: translateX(4px); }
.arrow { transition: transform 0.2s; }

/* --- SECTIONS --- */
.section-container { max-width: 1000px; margin: 0 auto; padding: 6rem 2rem; }

.section-label {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
}

.large-text {
    font-size: 1.8rem;
    line-height: 1.4;
    font-weight: 500;
    color: var(--text-secondary);
}

.highlight { color: var(--text-primary); }

/* --- BENTO GRID --- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.bento-card:hover {
    background: var(--bg-card-hover);
    transform: scale(1.01);
}

.large { grid-column: span 2; }

.card-eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: block;
}

.bento-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.bento-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}
.card-link:hover { text-decoration: underline; }

.link-group { display: flex; gap: 1.2rem; }

/* --- SKILLS --- */
.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
}

.skill-category h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.skill-category p { font-size: 1.05rem; line-height: 1.6; }

/* --- TIMELINE --- */
.timeline-simple { border-top: 1px solid var(--border-subtle); }

.timeline-row {
    display: flex;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-subtle);
    align-items: baseline;
}

.year {
    width: 140px;
    font-family: var(--font-stack);
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.details strong { display: block; font-size: 1.1rem; margin-bottom: 0.25rem; }
.details p { color: var(--text-secondary); margin-bottom: 0.25rem; }
.meta-tag {
    font-size: 0.85rem;
    color: var(--accent-blue);
    font-weight: 500;
}

/* --- FOOTER / SOCIAL --- */
.footer-section {
    background: #000;
    padding: 6rem 2rem 4rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-content { max-width: 1000px; margin: 0 auto; }

.footer-content h2 {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 2.5rem;
    background: linear-gradient(180deg, #fff, #444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.social-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 4rem;
}

.social-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.social-item:hover { color: var(--text-primary); }

.highlight-link { color: var(--accent-blue); }
.highlight-link:hover { color: #fff; }

.copyright { color: var(--text-secondary); font-size: 0.8rem; }

/* --- ANIMATIONS --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- MOBILE RESPONSIVE FIX --- */
@media (max-width: 768px) {
    .bento-grid { grid-template-columns: 1fr; }
    .large { grid-column: span 1; }
    .timeline-row { flex-direction: column; gap: 0.5rem; }

    .nav-container { padding: 0.8rem; }
    .nav-content {
        gap: 0.8rem;
        padding: 0.6rem 1rem;
        justify-content: space-between;
    }

    .nav-links {
        display: flex;
        overflow-x: auto;
        gap: 1.2rem;
        flex: 1;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
        -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
        mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    }
    
    .nav-links::-webkit-scrollbar { display: none; }
}