/* Software portfolio (/dev) — scoped to .dev-site */

.dev-site {
    --dev-bg: #0f1419;
    --dev-bg-alt: #161d27;
    --dev-bg-card: #1c2533;
    --dev-text: #e8edf4;
    --dev-text-muted: #9aa8bc;
    --dev-accent: #3dd6c6;
    --dev-accent-dim: rgba(61, 214, 198, 0.15);
    --dev-accent-hover: #2eb8aa;
    --dev-border: rgba(255, 255, 255, 0.08);
    --dev-font-mono: 'JetBrains Mono', ui-monospace, monospace;
    background: var(--dev-bg);
    color: var(--dev-text);
}

.dev-site .navbar {
    display: none;
}

/* Dev navigation */
.dev-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 20, 25, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dev-border);
}

.dev-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 20px;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.dev-nav-brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--dev-text);
    margin-right: auto;
}

.dev-nav-brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.2;
}

.dev-nav-brand-tag {
    font-family: var(--dev-font-mono);
    font-size: 0.7rem;
    color: var(--dev-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.dev-nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem 1.25rem;
    flex-wrap: wrap;
}

.dev-nav-link {
    color: var(--dev-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.dev-nav-link:hover,
.dev-nav-link.is-active {
    color: var(--dev-accent);
}

.dev-nav-link--muted {
    opacity: 0.85;
}

.dev-nav-actions {
    display: flex;
    align-items: center;
}

.dev-lang-switcher .lang-flag img {
    border-radius: 2px;
}

.dev-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
}

.dev-nav-toggle .bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dev-text);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Hero */
.dev-hero {
    padding: 4rem 0 3.5rem;
    background:
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(61, 214, 198, 0.12), transparent),
        var(--dev-bg);
}

.dev-hero-inner {
    max-width: 720px;
}

.dev-hero-eyebrow {
    font-family: var(--dev-font-mono);
    font-size: 0.8rem;
    color: var(--dev-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.dev-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--dev-text);
}

.dev-hero-lead {
    font-size: 1.15rem;
    color: var(--dev-text-muted);
    line-height: 1.65;
    margin-bottom: 1.75rem;
}

.dev-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.dev-btn-primary,
.dev-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.35rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.dev-btn-primary {
    background: var(--dev-accent);
    color: #0f1419;
    border: 2px solid var(--dev-accent);
}

.dev-btn-primary:hover {
    background: var(--dev-accent-hover);
    border-color: var(--dev-accent-hover);
    color: #0f1419;
}

.dev-btn-secondary {
    background: transparent;
    color: var(--dev-text);
    border: 2px solid var(--dev-border);
}

.dev-btn-secondary:hover {
    border-color: var(--dev-accent);
    color: var(--dev-accent);
}

.dev-hero-highlights {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--dev-text-muted);
}

.dev-hero-highlights i {
    color: var(--dev-accent);
    margin-right: 0.35rem;
}

/* Sections */
.dev-section {
    padding: 4rem 0;
}

.dev-section--alt {
    background: var(--dev-bg-alt);
}

.dev-section--cta {
    padding-bottom: 5rem;
}

.dev-section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--dev-text);
}

.dev-section-lead {
    color: var(--dev-text-muted);
    max-width: 640px;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* About */
.dev-about-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

.dev-about-text p {
    color: var(--dev-text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.dev-about-aside {
    background: var(--dev-bg-card);
    border: 1px solid var(--dev-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.dev-about-aside h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--dev-text);
}

.dev-about-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    font-size: 0.9rem;
    color: var(--dev-text-muted);
}

.dev-about-list li {
    margin-bottom: 0.6rem;
}

.dev-about-list a {
    color: var(--dev-accent);
}

.dev-about-note {
    font-size: 0.85rem;
    color: var(--dev-text-muted);
    font-style: italic;
    margin: 0;
}

/* Skills */
.dev-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.dev-skill-card {
    background: var(--dev-bg-card);
    border: 1px solid var(--dev-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: border-color 0.2s ease;
}

.dev-skill-card:hover {
    border-color: rgba(61, 214, 198, 0.35);
}

.dev-skill-icon {
    font-size: 1.5rem;
    color: var(--dev-accent);
    margin-bottom: 0.75rem;
}

.dev-skill-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--dev-text);
}

.dev-tag-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dev-tag {
    display: inline-block;
    font-family: var(--dev-font-mono);
    font-size: 0.72rem;
    padding: 0.25rem 0.55rem;
    border-radius: 4px;
    background: var(--dev-accent-dim);
    color: var(--dev-accent);
}

.dev-tag--muted {
    background: rgba(255, 255, 255, 0.06);
    color: var(--dev-text-muted);
}

/* Projects */
.dev-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.dev-project-card {
    background: var(--dev-bg-card);
    border: 1px solid var(--dev-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dev-project-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dev-project-icon {
    font-size: 1.35rem;
    color: var(--dev-accent);
}

.dev-project-status {
    font-family: var(--dev-font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.dev-project-status--live {
    background: rgba(39, 174, 96, 0.2);
    color: #5dd879;
}

.dev-project-status--mvp {
    background: rgba(52, 152, 219, 0.2);
    color: #6eb5f7;
}

.dev-project-status--wip {
    background: rgba(243, 156, 18, 0.2);
    color: #f5b041;
}

.dev-project-card h3 {
    font-size: 1.15rem;
    margin: 0;
}

.dev-project-card h3 a {
    color: var(--dev-text);
    text-decoration: none;
}

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

.dev-external {
    font-size: 0.75em;
    opacity: 0.7;
}

.dev-project-card p {
    color: var(--dev-text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    flex: 1;
    margin: 0;
}

.dev-tag-list--compact {
    margin-top: auto;
}

/* Timeline */
.dev-timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 2px solid var(--dev-border);
    margin-left: 0.5rem;
}

.dev-timeline-item {
    position: relative;
    padding: 0 0 2rem 1.75rem;
}

.dev-timeline-item:last-child {
    padding-bottom: 0;
}

.dev-timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0.35rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--dev-accent);
    box-shadow: 0 0 0 4px var(--dev-bg);
}

.dev-section--alt .dev-timeline-item::before {
    box-shadow: 0 0 0 4px var(--dev-bg-alt);
}

.dev-timeline-year {
    font-family: var(--dev-font-mono);
    font-size: 0.8rem;
    color: var(--dev-accent);
    display: block;
    margin-bottom: 0.35rem;
}

.dev-timeline-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
    color: var(--dev-text);
}

.dev-timeline-body p {
    color: var(--dev-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Contact CTA */
.dev-cta-box {
    text-align: center;
    max-width: 560px;
    background: var(--dev-bg-card);
    border: 1px solid var(--dev-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    margin: 0 auto;
}

.dev-cta-box p {
    color: var(--dev-text-muted);
    margin-bottom: 1.5rem;
}

.dev-cta-box .dev-hero-cta {
    justify-content: center;
}

/* Footer */
.dev-footer {
    border-top: 1px solid var(--dev-border);
    padding: 2rem 0;
    background: var(--dev-bg);
}

.dev-footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--dev-text-muted);
}

.dev-footer-link {
    color: var(--dev-accent);
    text-decoration: none;
}

.dev-footer-link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .dev-about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dev-nav-toggle {
        display: flex;
    }

    .dev-nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding: 0.5rem 0 0.75rem;
        border-top: 1px solid var(--dev-border);
    }

    .dev-nav-menu.is-open {
        display: flex;
    }

    .dev-nav-container {
        flex-wrap: wrap;
    }

    .dev-nav-actions {
        order: 3;
    }
}