:root {
    --bg: #0a0a08;
    --surface: #111110;
    --border: #222220;
    --text: #e8e6e0;
    --muted: #6b6960;
    --accent: #c8f060;
    --accent2: #f06060;
    --accent3: #60a0f0;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Syne', sans-serif;
    overflow-x: hidden;
}

/* NOISE OVERLAY */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    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)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 9000;
}

/* NAV */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s;
}
nav.scrolled {
    background: rgba(10,10,8,0.85);
    backdrop-filter: blur(12px);
    border-color: var(--border);
}
.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.15em;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* HERO */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    gap: 4rem;
}
.hero-left { position: relative; }

.hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.2s forwards;
}

.hero-name {
    font-size: clamp(3.5rem, 7vw, 6.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.35s forwards;
}
.hero-name em {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.hero-role {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s forwards;
}

.hero-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: #9c9a94;
    max-width: 420px;
    margin-bottom: 3rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    opacity: 0;
    animation: fadeUp 0.8s 0.65s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.8s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: 'Syne', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border: 2px solid var(--accent);
}
.btn-primary:hover {
    background: transparent;
    color: var(--accent);
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--accent);
}
.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}
.btn-ghost:hover {
    border-color: var(--text);
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--text);
}

/* HERO RIGHT — visual */
.hero-right {
    position: relative;
    opacity: 0;
    animation: fadeIn 1s 0.6s forwards;
}
.hero-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 480px;
    margin: 0 auto;
}
.hero-visual-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--border);
    animation: spin 20s linear infinite;
}
.hero-visual-ring:nth-child(2) {
    inset: 10%;
    border-color: #1a1a18;
    animation-direction: reverse;
    animation-duration: 15s;
}
.hero-visual-ring:nth-child(3) {
    inset: 22%;
    border-color: var(--border);
    animation-duration: 25s;
}
.hero-visual-dot {
    position: absolute;
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    top: 0; left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 12px var(--accent);
}
.hero-visual-core {
    position: absolute;
    inset: 30%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.tech-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    padding: 0.25rem 0.6rem;
    background: rgba(200, 240, 96, 0.08);
    border: 1px solid rgba(200, 240, 96, 0.2);
    border-radius: 4px;
}

/* floating tags */
.float-tag {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
    animation: float 4s ease-in-out infinite;
}
.float-tag:nth-child(5) { top: 5%; right: 5%; animation-delay: 0s; }
.float-tag:nth-child(6) { bottom: 15%; left: 0; animation-delay: 1.5s; }
.float-tag:nth-child(7) { bottom: 5%; right: 10%; animation-delay: 0.8s; }
.float-tag:nth-child(8) { top: 15%; left: -5%; animation-delay: 2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* SECTIONS */
section {
    padding: 6rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}
.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
    max-width: 80px;
}
.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
}
.section-title em {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

/* SKILLS */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}
.skill-card {
    background: var(--bg);
    padding: 2rem;
    transition: background 0.2s;
    position: relative;
    overflow: hidden;
}
.skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}
.skill-card:hover { background: var(--surface); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
.skill-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 0.2rem 0.6rem;
    border-radius: 2px;
}

/* PROJECTS */
.projects-grid {
    display: grid;
    gap: 1.5rem;
}
.project-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 2rem;
    padding: 2.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(200,240,96,0.04), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.project-card:hover {
    border-color: rgba(200,240,96,0.3);
    transform: translate(-4px, -4px);
    box-shadow: 8px 8px 0 rgba(200,240,96,0.15);
}
.project-card:hover::after { opacity: 1; }

.project-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted);
    margin-bottom: 0.75rem;
}
.project-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
.project-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
}
.project-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.stack-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 400;
    padding: 0.3rem 0.7rem;
    border-radius: 2px;
    border: 1px solid;
}
.badge-vue { color: #4FC08D; border-color: rgba(79,192,141,0.3); background: rgba(79,192,141,0.06); }
.badge-rn { color: var(--accent3); border-color: rgba(96,160,240,0.3); background: rgba(96,160,240,0.06); }
.badge-flutter { color: #54C5F8; border-color: rgba(84,197,248,0.3); background: rgba(84,197,248,0.06); }
.badge-ts { color: #3178C6; border-color: rgba(49,120,198,0.3); background: rgba(49,120,198,0.06); }
.badge-dart { color: #00B4AB; border-color: rgba(0,180,171,0.3); background: rgba(0,180,171,0.06); }
.badge-fb { color: #FFA000; border-color: rgba(255,160,0,0.3); background: rgba(255,160,0,0.06); }
.badge-js { color: #F7DF1E; border-color: rgba(247,223,30,0.3); background: rgba(247,223,30,0.06); }

.project-arrow {
    font-size: 1.5rem;
    color: var(--muted);
    transition: color 0.2s, transform 0.2s;
    margin-top: 0.5rem;
    flex-shrink: 0;
}
.project-card:hover .project-arrow {
    color: var(--accent);
    transform: translate(4px, -4px);
}

/* DIVIDER */
.divider {
    height: 1px;
    background: var(--border);
    margin: 0 3rem;
}

/* CONTACT */
.contact-section {
    padding: 6rem 3rem;
    text-align: center;
    position: relative;
}
.contact-section .section-label { justify-content: center; }
.contact-section .section-label::after { display: none; }
.contact-big {
    font-size: clamp(3rem, 6vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 1.5rem;
}
.contact-big em {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}
.contact-sub {
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    margin-bottom: 3rem;
}
.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
footer p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted);
}
.footer-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(200,240,96,0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(200,240,96,0); }
}

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* MOBILE */
@media (max-width: 768px) {
    nav { padding: 1.2rem 1.5rem; }
    .nav-links { display: none; }
    .hero {
        grid-template-columns: 1fr;
        padding: 6rem 1.5rem 3rem;
        gap: 3rem;
    }
    .hero-right { order: -1; }
    .hero-visual { max-width: 280px; }
    section { padding: 4rem 1.5rem; }
    .divider { margin: 0 1.5rem; }
    .contact-section { padding: 4rem 1.5rem; }
    footer { padding: 1.5rem; flex-direction: column; gap: 1rem; text-align: center; }
    .project-card { grid-template-columns: 1fr; }
}