:root {
    --bg: #0b0f14;
    --surface: #121820;
    --border: #223041;
    --text: #e6edf3;
    --muted: #94a3b3;
    --accent: #58a6ff;
    --accent-soft: rgba(88, 166, 255, 0.12);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(600px 400px at 82% 0%, rgba(88, 166, 255, 0.13), transparent 60%),
        radial-gradient(500px 350px at 8% 100%, rgba(88, 166, 255, 0.07), transparent 60%);
    background-repeat: no-repeat;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background-color: var(--accent);
    color: var(--bg);
}

a {
    text-decoration: none;
    color: var(--accent);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(1080px, 100% - 3rem);
    margin-inline: auto;
}

.accent {
    color: var(--accent);
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: rgba(11, 15, 20, 0.94);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 0.9rem;
    justify-content: center;
}

.brand {
    color: var(--text);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
    display: flex;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */

.hero {
    padding-block: clamp(4rem, 14vh, 7.5rem) 2rem;
}

.hero > * {
    animation: fade-up 0.6s ease both;
}

.hero > *:nth-child(2) { animation-delay: 0.06s; }
.hero > *:nth-child(3) { animation-delay: 0.12s; }
.hero > *:nth-child(4) { animation-delay: 0.18s; }
.hero > *:nth-child(5) { animation-delay: 0.24s; }

.eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 1rem;
}

.hero h1 {
    font-size: clamp(2.6rem, 7vw, 4.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin: 0;
}

.subtitle {
    color: var(--muted);
    font-size: clamp(1.15rem, 2.5vw, 1.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0.75rem 0 1.5rem;
}

.lead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2.25rem;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: transform 0.2s, border-color 0.2s, background-color 0.2s, color 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-ghost {
    border-color: var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--accent);
    background-color: var(--accent-soft);
    color: var(--accent);
}

/* Sections */

.section {
    padding-block: 3.5rem;
    scroll-margin-top: 5rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 2rem;
}

.section-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border);
    margin-left: 0.75rem;
}

.section-index {
    color: var(--accent);
    font-size: 0.85em;
    font-weight: 700;
}

/* Projects */

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
    gap: 1.25rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    color: inherit;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(88, 166, 255, 0.55);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.project-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.1rem;
}

.icon-folder {
    width: 38px;
    height: 38px;
    color: var(--accent);
}

.icon-ext {
    width: 22px;
    height: 22px;
    color: var(--muted);
    transition: color 0.2s, transform 0.2s;
}

.project-card:hover .icon-ext {
    color: var(--accent);
    transform: translate(2px, -2px);
}

.project-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    transition: color 0.2s;
}

.project-card:hover h3 {
    color: var(--accent);
}

.project-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0 0 1.25rem;
    flex: 1;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tags li {
    color: var(--accent);
    background-color: var(--accent-soft);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    white-space: nowrap;
}

.more-row {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

/* Experience */

.xp-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.xp-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.xp-head h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}

.xp-dates {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

.xp-card > p {
    color: var(--muted);
    max-width: 720px;
    margin: 0;
}

/* Skills */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 1.25rem;
}

.skill-group {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.skill-group h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 3rem;
    padding-block: 2.5rem;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.socials {
    display: flex;
    gap: 1.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.socials a {
    display: inline-flex;
    color: var(--muted);
    transition: color 0.2s, transform 0.2s;
}

.socials a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.socials svg {
    width: 22px;
    height: 22px;
}

.site-footer p {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Animation */

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}

/* Responsive */

@media (max-width: 640px) {
    .site-nav {
        gap: 1rem;
    }

    .site-nav a {
        font-size: 0.85rem;
    }
}