/* ── RESET & BASE ─────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #030511;
    --surface: #0c1128;
    --surface-2: #111733;
    --border: rgba(255, 255, 255, 0.08);
    --text: #e2e8f8;
    --text-muted: #8892b0;
    --accent: #7c9fff;
    --accent-soft: rgba(124, 159, 255, 0.12);
    --font: 'Poppins', sans-serif;
}

html {
    font-family: var(--font);
    font-size: 16px;
    background-color: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    min-height: 100vh;
}

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

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(3, 5, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav__inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__left {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.nav__name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.01em;
}

.nav__username {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-muted);
}

.nav__right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav__link svg {
    flex-shrink: 0;
    opacity: 0.75;
    transition: opacity 0.2s;
}

.nav__link:hover {
    color: var(--text);
}

.nav__link:hover svg {
    opacity: 1;
}

.nav__icon {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav__icon:hover {
    color: var(--text);
}

/* ── SHARED SECTION ──────────────────────────────────────── */
.section {
    max-width: 960px;
    margin: 0 auto;
    padding: 56px 24px;
}

.section__heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

/* ── BIO ─────────────────────────────────────────────────── */
.bio {
    padding-top: 64px;
    padding-bottom: 48px;
}

.bio__text {
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-muted);
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

/* ── PROJECTS ────────────────────────────────────────────── */
.projects {
    padding-top: 0;
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.project-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-3px);
    border-color: rgba(124, 159, 255, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.project-card__photo {
    aspect-ratio: 1;
    background-color: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.project-card__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__body {
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-card__title {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
}

.project-card__link {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    transition: color 0.18s;
}

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

/* ── SKILLS ──────────────────────────────────────────────── */
.skills__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.skill-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.skill-card:hover {
    border-color: rgba(124, 159, 255, 0.25);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.skill-card__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.skill-card__desc {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ── ABOUT ME ────────────────────────────────────────────── */
.about__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.about-item {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: border-color 0.2s;
}

.about-item:hover {
    border-color: rgba(124, 159, 255, 0.2);
}

.about-item__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    min-width: 100px;
    padding-top: 2px;
}

.about-item__text {
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .projects__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {

    .projects__grid,
    .skills__grid {
        grid-template-columns: 1fr;
    }

    .about-item {
        flex-direction: column;
        gap: 8px;
    }
}