@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-obsidian: #05070a;
    --bg-card: #0c0e12;
    --accent-lime: #d9ff00;
    --accent-lime-dim: rgba(217, 255, 0, 0.1);
    --text-primary: #ffffff;
    --text-muted: #8b949e;
    --border-subtle: rgba(255, 255, 255, 0.05);
    --sidebar-width: 280px;
    --transition-smooth: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    display: flex;
    overflow-x: hidden;
}

/* SIDEBAR NAVIGATION */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: #080a0d;
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    z-index: 1000;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-lime);
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
}

.nav-links {
    list-style: none;
    flex: 1;
}

.nav-item {
    margin-bottom: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-lime);
    transform: translateX(5px);
}

.nav-link span {
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    opacity: 0.5;
}

/* MAIN CONTENT */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    padding: 0 4rem;
}

/* HERO SECTION - SPLIT */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    gap: 4rem;
    padding-top: 2rem;
}

.hero-text {
    flex: 1.2;
}

.hero-visual {
    flex: 0.8;
    position: relative;
}

.hero-visual img {
    width: 100%;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
    filter: grayscale(0.2);
}

.hero-visual::after {
    content: "";
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--accent-lime);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
}

.badge {
    display: inline-block;
    color: var(--accent-lime);
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    margin-bottom: 1.5rem;
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.04em;
}

h1 span {
    display: block;
    color: var(--text-muted);
}

.hero-p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 3rem;
}

.btn-group {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-lime);
    color: var(--bg-obsidian);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-lime-dim);
}

.btn-outline {
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent-lime);
    background: rgba(255,255,255,0.03);
}

/* BENTO GRID SECTIONS */
.section {
    padding: 5rem 0;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.bento-card:hover {
    border-color: var(--accent-lime);
    transform: translateY(-5px);
}

.card-large { grid-column: span 2; }
.card-tall { grid-row: span 2; }

/* PROJECT CARDS */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-item {
    display: grid;
    grid-template-columns: 0.1fr 1fr 0.3fr;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-smooth);
    cursor: pointer;
}

/* FOOTER */
footer {
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.project-item:hover {
    background: rgba(255,255,255,0.02);
}

.project-number {
    font-family: 'Outfit', sans-serif;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.project-name h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.project-tags {
    display: flex;
    gap: 0.8rem;
}

.project-tags span {
    font-size: 0.75rem;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.experience-details {
    list-style: none;
    margin-top: 1rem;
    font-size: 0.9rem;
    max-width: 800px;
}

.experience-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.experience-details li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent-lime);
    opacity: 0.5;
}

.project-desc {
    font-size: 0.9rem;
    max-width: 600px;
    line-height: 1.5;
}

.experience-item {
    cursor: default;
    grid-template-columns: 0.15fr 1fr;
}

.experience-item:hover {
    background: transparent;
}

.arrow {
    justify-self: end;
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.project-item:hover .arrow {
    color: var(--accent-lime);
    transform: translateX(5px);
}

/* TAG CLOUD */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.tag:hover {
    border-color: var(--accent-lime);
    color: var(--accent-lime);
}

/* MOBILE TOGGLE & OVERLAY */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    z-index: 2000;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: var(--transition-smooth);
}

.mobile-toggle:hover {
    border-color: var(--accent-lime);
}

.bar {
    width: 20px;
    height: 2px;
    background: var(--accent-lime);
    transition: var(--transition-smooth);
}

.mobile-toggle.active .bar-1 { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active .bar-2 { opacity: 0; }
.mobile-toggle.active .bar-3 { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-obsidian);
    z-index: 1500;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.mobile-nav-overlay.active {
    transform: translateY(0);
}

.mobile-nav-links {
    list-style: none;
    text-align: center;
}

.mobile-nav-links li {
    margin-bottom: 2rem;
}

.mobile-nav-links a {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
    letter-spacing: -0.04em;
}

.mobile-nav-links a:hover {
    color: var(--accent-lime);
}

body.nav-open {
    overflow: hidden;
}

/* MOBILE */
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .mobile-toggle { display: flex; }
    .main-content { margin-left: 0; padding: 0 1.5rem; }
    .hero { 
        flex-direction: column; 
        text-align: center; 
        gap: 2rem; 
        min-height: auto; 
        padding: 6rem 0; 
    }
    .hero-visual { display: none; }
    h1 { font-size: 2.8rem; }
    h1 span { display: inline-block; }
    .hero-p { margin: 0 auto 2rem; }
    .btn-group { justify-content: center; flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; gap: 1rem; }
    .btn { width: 100%; text-align: center; }
    .bento-grid { grid-template-columns: 1fr; gap: 1rem; }
    .card-large, .card-tall { grid-column: auto; grid-row: auto; }
    
    .project-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem;
        text-align: left;
    }
    
    .project-number {
        font-size: 0.8rem;
        opacity: 0.6;
    }

    .project-name h3 {
        font-size: 1.4rem;
    }

    .project-tags {
        flex-wrap: wrap;
    }

    .arrow { display: none; }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
}

/* REVEAL ON SCROLL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}