:root {
    /* Colors - Obsidian & Snow Dark Theme */
    --clr-bg: #0B1120; 
    --clr-bg-alt: #161F33;
    --clr-text-main: #E2E8F0; /* Dirty Snow White */
    --clr-text-muted: #94A3B8;
    --clr-accent: #384358;
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Layout */
    --max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none; /* Hide default cursor to use custom */
}

html {
    scroll-behavior: auto; /* Handle smooth logic in JS */
    font-size: 16px;
}

body {
    background-color: var(--clr-bg);
    color: var(--clr-text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-image: radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.05), transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(30, 41, 59, 0.2), transparent 40%);
}

#snow-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Custom Cursor Elements */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background-color: var(--clr-text-main);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    /* transform removed - handled via script.ts offset */
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), height 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.custom-cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(226, 232, 240, 0.3);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    /* transform removed - handled via script.ts offset */
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), height 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.cursor-hover .custom-cursor {
    width: 0px;
    height: 0px;
}

.cursor-hover .custom-cursor-follower {
    width: 60px;
    height: 60px;
    background-color: rgba(226, 232, 240, 0.05);
    border-color: rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(2px);
}

/* Typography styles */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.1;
    font-family: var(--font-serif);
}

.hero-title, .section-title, .contact-title {
    font-family: var(--font-serif);
    color: var(--clr-text-main);
}

.text-italic {
    font-style: italic;
    font-weight: 400;
}

.section-title {
    font-size: 4.5rem;
    margin-bottom: 3rem;
}

.text-accent {
    color: var(--clr-text-muted);
    font-style: italic;
    font-weight: 500;
}

.mt-2 { margin-top: 2rem; }

/* Nav */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: transparent;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar.scrolled {
    background: rgba(11, 17, 32, 0.85); /* Obsidian with transparency */
    backdrop-filter: blur(16px);
    padding: 1rem 4rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.05);
}

.nav-logo {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    font-weight: 800;
    color: var(--clr-text-main);
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-item {
    text-decoration: none;
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-sans);
    transition: color 0.3s ease;
    display: inline-block;
    padding: 0.5rem;
}

.nav-item:hover {
    color: var(--clr-text-main);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--clr-text-main);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Sections Base */
section {
    padding: 10rem 4rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 700px;
}

.hero-title {
    font-size: 6rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    font-weight: 400;
    max-width: 500px;
    font-family: var(--font-sans);
    line-height: 1.8;
}

.hero-imagery {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    perspective: 1000px;
}

.image-wrapper {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    clip-path: none;
    transform-style: preserve-3d;
    will-change: transform;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(15%) contrast(1.1);
    transition: filter 0.5s ease;
}

.image-wrapper:hover .profile-img {
    filter: grayscale(0%) contrast(1.2);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 6rem;
    align-items: start;
}

.about-text p {
    font-size: 1.6rem;
    color: var(--clr-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 300;
}

.about-text strong {
    color: var(--clr-text-main);
    font-weight: 500;
}

.about-stats {
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid var(--clr-bg-alt);
    padding-left: 3rem;
}

.stat-item { padding: 1rem; display: inline-block; }

.stat-num {
    display: block;
    font-size: 6rem;
    font-family: var(--font-serif);
    font-weight: 800;
    line-height: 0.9;
    color: var(--clr-text-main);
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--clr-text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
    display: block;
}

/* Experience Section */
.timeline {
    border-left: 2px solid var(--clr-bg-alt);
    padding-left: 4rem;
    margin-left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -4.4rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background-color: var(--clr-text-main);
    border-radius: 50%;
    box-shadow: 0 0 0 8px var(--clr-bg);
}

.role {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.organization {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    font-weight: 500;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.desc {
    font-size: 1.15rem;
    color: var(--clr-text-muted);
    max-width: 650px;
    line-height: 1.7;
}

/* Projects Section */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.project-item {
    display: flex;
    align-items: flex-start;
    padding: 3rem 0;
    border-bottom: 1px solid var(--clr-bg-alt);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding-left 0.4s ease;
}

.project-item:hover {
    padding-left: 2rem;
}

.project-number {
    font-size: 1rem;
    color: var(--clr-text-muted);
    font-weight: 500;
    min-width: 100px;
    margin-top: 0.8rem;
    font-family: var(--font-sans);
}

.project-info {
    flex: 1;
}

.project-name {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    color: var(--clr-text-main);
}

.project-desc {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    max-width: 700px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    gap: 1rem;
}

.tech-stack span {
    font-size: 0.85rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid rgba(226, 232, 240, 0.1);
    border-radius: 2rem;
    color: var(--clr-text-main);
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.contact-title {
    font-size: 5rem;
    margin-bottom: 4rem;
}

.contact-links {
    display: flex;
    gap: 4rem;
    justify-content: center;
}

.contact-link {
    font-size: 1.8rem;
    color: var(--clr-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-sans);
    position: relative;
    padding: 1rem;
    display: inline-block;
}

.contact-link::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 1rem;
    width: 0%;
    height: 2px;
    background-color: var(--clr-text-main);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-link:hover {
    color: var(--clr-text-main);
}

.contact-link:hover::after {
    width: calc(100% - 2rem);
}

/* Animations & Wrappers (Staggered Reveals) */
.reveal-wrapper {
    overflow: hidden;
    display: block;
}

.reveal-text {
    display: inline-block;
    transform: translateY(110%);
    opacity: 0;
}

/* Specific start animations */
.hero-section .reveal-text {
    animation: slideUpReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scroll triggered reveals */
.reveal-wrapper.visible .reveal-text {
    animation: slideUpReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.scroll-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-image {
    opacity: 0;
    transform: scale(0.95);
    animation: popIn 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.4s;
}

.delay-1 { animation-delay: 0.1s; transition-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; transition-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; transition-delay: 0.4s; }

@keyframes slideUpReveal {
    0% { transform: translateY(110%); opacity: 0; }
    10% { opacity: 1; }
    100% { transform: translateY(0%); opacity: 1; }
}

@keyframes popIn {
    to { opacity: 1; transform: scale(1); }
}

/* Mobile */
@media (max-width: 1024px) {
    .hero-title { font-size: 4.5rem; }
    .section-title, .contact-title { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    * { cursor: auto !important; } /* Disable custom cursor on mobile */
    .custom-cursor, .custom-cursor-follower { display: none !important; }
    
    section { padding: 6rem 1.5rem; }
    .navbar { padding: 1.25rem 1.5rem; }
    .navbar.scrolled { padding: 1rem 1.5rem; }

    .menu-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--clr-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000;
        padding: 2rem;
        text-align: center;
        border-left: 1px solid rgba(226, 232, 240, 0.05); /* Added subtle border */
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-item {
        font-size: 1.5rem;
        font-family: var(--font-serif);
    }
    
    .hero-section {
        flex-direction: column-reverse;
        justify-content: center;
        text-align: left;
        padding-top: 8rem;
        gap: 3rem;
    }
    
    .hero-content, .hero-imagery { width: 100%; max-width: 100%; }
    
    .hero-title { 
        font-size: 3rem; 
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.15rem;
        max-width: 100%;
    }

    .image-wrapper { max-width: 100%; }
    
    .section-title { font-size: 2.8rem; margin-bottom: 2rem; }
    
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .about-text p { font-size: 1.2rem; }
    
    .about-stats { 
        border-left: none; 
        padding-left: 0; 
        padding-top: 2rem; 
        border-top: 1px solid var(--clr-bg-alt); 
        flex-direction: row;
        justify-content: space-around;
        gap: 1rem;
    }
    
    .stat-num { font-size: 4rem; }
    .stat-label { font-size: 0.75rem; }
    
    .timeline { padding-left: 2rem; }
    .timeline-item::before { left: -2.4rem; }
    .role { font-size: 1.8rem; }
    .desc { font-size: 1rem; }
    
    .project-name { font-size: 2.2rem; }
    .project-desc { font-size: 1rem; margin-bottom: 1.5rem; }
    .tech-stack { flex-wrap: wrap; }
    .tech-stack span { padding: 0.4rem 0.8rem; font-size: 0.75rem; }

    .contact-title { font-size: 2.5rem; margin-bottom: 3rem; }
    .contact-link { font-size: 1.25rem; word-break: break-all; }
    .contact-links { flex-direction: column; gap: 1.5rem; }
    
    .project-item:hover { padding-left: 0; transform: none; }
}