@import "./variables.css";
@import "./animations.css";

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

/* ─── Nav ───────────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    letter-spacing: 0.03em;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-text);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
}

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--section-padding);
    padding-top: 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
            ellipse 80% 60% at 50% -10%,
            rgba(4, 228, 230, 0.12) 0%,
            transparent 70%
        ), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(27, 247, 179, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero-name {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.hero-role {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-desc {
    max-width: 560px;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #0d1117;
}

.btn-primary:hover {
    background: var(--color-accent-green);
    color: #0d1117;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: float 2s ease-in-out infinite;
}

/* ─── Section Base ──────────────────────────────────────────── */
section {
    padding: var(--section-padding);
}

.section-inner {
    max-width: var(--section-max-width);
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--color-text-secondary);
    max-width: 520px;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

/* ─── Skills ────────────────────────────────────────────────── */
#skills {
    background: var(--color-bg-secondary);
}

.skills-categories {
    display: grid;
    gap: 2rem;
}

.skill-category-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

.skill-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-dim);
    transform: translateY(-2px);
}

.skill-tag.advanced {
    border-color: rgba(4, 228, 230, 0.4);
    color: var(--color-accent);
}
.skill-tag.advanced:hover {
    background: var(--color-accent-dim);
}

/* ─── Projects ──────────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.project-card-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
}

.project-card-name a {
    color: inherit;
}
.project-card-name a:hover {
    color: var(--color-accent);
}

.project-card-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.project-card-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
}

.project-card-meta {
    display: flex;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.project-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ─── Articles ──────────────────────────────────────────────── */
#articles {
    background: var(--color-bg-secondary);
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition);
}

.article-item:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.article-platform {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-accent-dim);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    min-width: 60px;
    text-align: center;
}

.article-info {
    flex: 1;
}

.article-topics {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.article-link {
    font-size: 0.85rem;
    color: var(--color-link);
    white-space: nowrap;
}

/* ─── Social Links ──────────────────────────────────────────── */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.social-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition);
    color: var(--color-text);
    font-weight: 600;
}

.social-card:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.social-card-icon {
    font-size: 1.3rem;
}
.social-card-name {
    font-size: 0.9rem;
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.footer a {
    color: var(--color-text-secondary);
}
.footer a:hover {
    color: var(--color-accent);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* ─── Divider ───────────────────────────────────────────────── */
.divider {
    width: 48px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    margin-bottom: 2rem;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: 1.5rem 2rem;
        border-bottom: 1px solid var(--color-border);
        gap: 1.25rem;
    }

    .nav-links.open {
        display: flex;
    }
    .nav-toggle {
        display: block;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

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

    .article-item {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .social-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ─── 404 ───────────────────────────────────────────────────── */
.not-found {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.not-found-code {
    font-family: var(--font-mono);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.not-found-msg {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}