/* ============================================================
   PORTOFOLIU — stil public
   Temă întunecată, modernă, responsive
   ============================================================ */

:root {
    --bg:        #0a0e17;
    --bg-soft:   #0f1522;
    --card:      #141b2a;
    --border:    #232d42;
    --text:      #e8edf7;
    --muted:     #8b98b0;
    --accent:    #6c7bff;
    --accent-2:  #22d3ee;
    --grad:      linear-gradient(135deg, #6c7bff 0%, #22d3ee 100%);
    --radius:    14px;
    --shadow:    0 12px 32px rgba(0, 0, 0, .35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: none; }

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 14, 23, .82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: .2px;
}

.logo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--grad);
    flex: none;
}

.site-nav { display: flex; gap: 26px; align-items: center; }

.site-nav a {
    color: var(--muted);
    font-weight: 500;
    font-size: 15px;
    transition: color .18s ease;
}

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

.site-nav .nav-admin {
    padding: 7px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
}

.site-nav .nav-admin:hover {
    border-color: var(--accent);
    color: var(--accent-2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
    position: relative;
    padding: 108px 0 84px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(600px 300px at 15% 10%, rgba(108, 123, 255, .22), transparent 70%),
        radial-gradient(500px 260px at 85% 30%, rgba(34, 211, 238, .16), transparent 70%);
    pointer-events: none;
}

.hero .container { position: relative; }

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--accent-2);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .4px;
    margin-bottom: 22px;
}

.hero-title {
    font-size: clamp(34px, 6vw, 56px);
    line-height: 1.14;
    font-weight: 800;
    letter-spacing: -.5px;
    max-width: 760px;
    margin-bottom: 18px;
}

.hero-title { color: var(--text); }

.hero-subtitle {
    color: var(--muted);
    font-size: clamp(16px, 2.4vw, 19px);
    max-width: 620px;
    margin-bottom: 34px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 52px;
    flex-wrap: wrap;
}

.stat strong {
    display: block;
    font-size: 30px;
    font-weight: 800;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat span {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- Butoane ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
}

.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 8px 22px rgba(108, 123, 255, .35);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(108, 123, 255, .45); }

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

.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }

.btn-sm { padding: 8px 16px; font-size: 13.5px; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ---------- Secțiuni ---------- */

.section { padding: 72px 0; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    letter-spacing: -.3px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.section-title::before {
    content: "";
    width: 34px;
    height: 4px;
    border-radius: 4px;
    background: var(--grad);
    flex: none;
}

.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

/* ---------- Filtre + căutare ---------- */

.filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
}

.chip {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .16s ease;
}

.chip small { opacity: .65; margin-left: 4px; }

.chip:hover { color: var(--text); border-color: var(--accent); }

.chip.is-active {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
}

.search-input {
    margin-left: auto;
    padding: 9px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    font-size: 14px;
    min-width: 200px;
    outline: none;
    transition: border-color .16s ease;
}

.search-input:focus { border-color: var(--accent); }

/* ---------- Grid proiecte ---------- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 26px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #33415e;
    box-shadow: var(--shadow);
}

.card-media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #1b2436 0%, #131a29 100%);
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.card:hover .card-media img { transform: scale(1.04); }

.card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    font-weight: 800;
    color: rgba(108, 123, 255, .4);
    background: linear-gradient(135deg, rgba(108, 123, 255, .16), rgba(34, 211, 238, .10));
}

.card-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(10, 14, 23, .78);
    backdrop-filter: blur(6px);
    color: var(--text);
    font-size: 12.5px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, .12);
}

.card-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.card-title { font-size: 19px; font-weight: 700; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent-2); }

.card-desc {
    color: var(--muted);
    font-size: 14.5px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-year { color: var(--muted); font-size: 13px; }

.badges { display: flex; flex-wrap: wrap; gap: 8px; }

.badge {
    padding: 4px 11px;
    border-radius: 6px;
    background: rgba(108, 123, 255, .14);
    border: 1px solid rgba(108, 123, 255, .3);
    color: #aab4ff;
    font-size: 12.5px;
    font-weight: 600;
}

.badges-lg .badge { font-size: 13.5px; padding: 6px 14px; }

.card-foot {
    margin-top: auto;
    padding-top: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.card-ext {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-2);
}

.no-results { text-align: center; color: var(--muted); padding: 40px 0; }

/* ---------- Despre ---------- */

.about { max-width: 760px; }

.about-text {
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.85;
}

/* ---------- Contact ---------- */

.contact { text-align: center; }

.contact-text { color: var(--muted); font-size: 17px; margin-bottom: 24px; }

.contact-social { margin-top: 28px; display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; }

.contact-social a { color: var(--muted); font-weight: 600; }
.contact-social a:hover { color: var(--accent-2); }

/* ---------- Detaliu proiect ---------- */

.project-detail { padding: 56px 0 88px; }

.back-link {
    display: inline-block;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 22px;
}

.back-link:hover { color: var(--accent-2); }

.project-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    letter-spacing: -.4px;
    margin-bottom: 14px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-bottom: 34px;
    color: var(--muted);
    font-size: 15px;
}

.project-meta b { color: var(--text); font-weight: 600; }

.project-hero {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 30px;
}

.project-hero img { width: 100%; max-height: 560px; object-fit: cover; }

.project-hero-placeholder {
    aspect-ratio: 16 / 8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 110px;
    font-weight: 800;
    color: rgba(108, 123, 255, .4);
    background: linear-gradient(135deg, rgba(108, 123, 255, .16), rgba(34, 211, 238, .10));
}

.badges-lg { margin-bottom: 26px; }

.project-content {
    max-width: 760px;
    color: #c6cfdf;
    font-size: 16.5px;
    line-height: 1.9;
}

.project-actions { margin-top: 40px; }

/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
    padding: 34px 0;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: var(--muted);
    font-size: 14.5px;
}

.footer-social { display: flex; gap: 18px; }
.footer-social a { color: var(--muted); font-weight: 600; }
.footer-social a:hover { color: var(--accent-2); }

.footer-copy { font-size: 13.5px; }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
    .nav-toggle { display: flex; }

    .site-nav {
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        display: none;
    }

    .site-nav.is-open { display: flex; }

    .site-nav a {
        padding: 15px 24px;
        border-top: 1px solid var(--border);
    }

    .site-nav .nav-admin {
        border: 0;
        border-top: 1px solid var(--border);
        border-radius: 0;
        margin: 0;
    }

    .hero { padding: 72px 0 56px; }
    .hero-stats { gap: 28px; margin-top: 38px; }

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

    .search-input { margin-left: 0; width: 100%; }

    .filters { gap: 8px; }

    .footer-inner { flex-direction: column; text-align: center; }
}