:root {
    --bg: #020c1b;
    --bg-soft: #0a192f;
    --bg-card: rgba(15, 23, 42, 0.86);
    --bg-elevated: rgba(17, 34, 60, 0.9);
    --text: #e6f1ff;
    --muted: #a8b2d1;
    --slate: #8892b0;
    --line: rgba(136, 146, 176, 0.25);
    --accent: #64ffda;
    --accent-strong: #7ef9d4;
    --shadow: rgba(2, 12, 27, 0.45);
    --container: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, rgba(100, 255, 218, 0.12), transparent 35%), var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

.section {
    padding: 6rem 0;
}

.section.muted {
    background: rgba(10, 25, 47, 0.58);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.narrow {
    width: min(880px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: rgba(2, 12, 27, 0.7);
    border-bottom: 1px solid rgba(136, 146, 176, 0.15);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--accent);
    border-radius: 12px;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 0 24px rgba(100, 255, 218, 0.15);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.site-nav a {
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--accent);
}

.hero {
    padding-top: 5rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3rem;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-family: "Consolas", monospace;
}

.hero-copy h1,
.section-heading h3,
.contact-box h3 {
    margin: 0;
    line-height: 1.1;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 7vw, 5rem);
    letter-spacing: -0.05em;
}

.hero-copy h2 {
    margin: 0.5rem 0 1rem;
    color: var(--muted);
    font-size: clamp(1.2rem, 4vw, 2.1rem);
    letter-spacing: -0.03em;
}

.tagline {
    max-width: 560px;
    font-size: 1.08rem;
    color: var(--muted);
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent);
    color: #04263d;
    box-shadow: 0 8px 24px rgba(100, 255, 218, 0.2);
}

.btn-secondary {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
}

.btn-tertiary {
    border: 1px solid rgba(100, 255, 218, 0.35);
    background: rgba(100, 255, 218, 0.06);
    color: var(--accent);
}

.mini-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    display: grid;
    gap: 0.75rem;
    color: var(--muted);
}

.mini-list li {
    position: relative;
    padding-left: 1.4rem;
}

.mini-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.hero-card {
    position: relative;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(8, 17, 30, 0.9));
    border: 1px solid var(--line);
    border-radius: 1.4rem;
    padding: 1.5rem;
    box-shadow: 0 22px 60px var(--shadow);
}

.card-glow {
    position: absolute;
    inset: 12% auto auto 12%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.26), transparent 65%);
    filter: blur(16px);
    pointer-events: none;
}

.status-badge {
    display: inline-flex;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(100, 255, 218, 0.08);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--accent);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: "Consolas", monospace;
}

.profile-box {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem 0 1.25rem;
    border-bottom: 1px solid var(--line);
}

.avatar {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #b8fff1);
    color: #072237;
    font-size: 1.5rem;
    font-weight: 800;
}

.profile-box strong,
.meta-grid strong {
    display: block;
    font-size: 1rem;
}

.profile-box span {
    color: var(--muted);
    font-size: 0.9rem;
}

.meta-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.meta-grid div {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line);
}

.meta-grid span {
    display: block;
    color: var(--slate);
    font-size: 0.72rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: "Consolas", monospace;
}

.section-heading {
    margin-bottom: 2.5rem;
}

.section-heading h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.05em;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: start;
}

.about-grid p {
    color: var(--muted);
    font-size: 1.05rem;
}

.about-panel {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 1.2rem;
    padding: 1.5rem;
}

.about-panel h4 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.about-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.8rem;
    color: var(--muted);
}

.about-panel li {
    position: relative;
    padding-left: 1.1rem;
}

.about-panel li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.timeline {
    display: grid;
    gap: 1.25rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--line);
}

.timeline-period {
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-top: 0.3rem;
}

.timeline-content {
    background: rgba(17, 34, 60, 0.6);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1.25rem 1.4rem;
}

.timeline-content h4 {
    margin: 0 0 0.4rem;
    font-size: 1.2rem;
}

.timeline-content h4 span {
    color: var(--slate);
    font-weight: 500;
}

.timeline-content p {
    margin: 0;
    color: var(--muted);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
}

.project-card {
    background: linear-gradient(180deg, rgba(17, 34, 60, 0.66), rgba(9, 18, 38, 0.94));
    border: 1px solid var(--line);
    border-radius: 1.1rem;
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(100, 255, 218, 0.35);
}

.project-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    color: var(--accent);
}

.folder-icon {
    font-size: 1.2rem;
}

.project-card h4 {
    margin: 0;
    font-size: 1.4rem;
}

.project-type {
    margin: 0.5rem 0 0.9rem;
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-card p {
    margin: 0;
    color: var(--muted);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.skill-pill {
    background: rgba(100, 255, 218, 0.08);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--accent-strong);
    padding: 0.7rem 1rem;
    border-radius: 999px;
    font-size: 0.92rem;
}

.contact-box {
    background: rgba(10, 25, 47, 0.85);
    border: 1px solid var(--line);
    border-radius: 1.3rem;
    padding: 2rem 1.5rem;
    text-align: center;
}

.contact-box p {
    color: var(--muted);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.contact-links a {
    color: var(--accent);
    border-bottom: 1px solid transparent;
}

.contact-links a:hover {
    border-color: var(--accent);
}

@media (max-width: 900px) {
    .hero-inner,
    .about-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

@media (max-width: 640px) {
    .site-nav {
        display: none;
    }

    .section {
        padding: 4.5rem 0;
    }

    .hero {
        padding-top: 3.5rem;
    }

    .cta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}