/* ==============================================================================
   DEVELORA - SYSTEM ARCHITECTURE STYLESHEET
   Theme: Dark Industrial / Cockpit HUD
   ============================================================================== */

/* --- 1. VARIABILI E PALETTE CROMATICA --- */
:root {
    /* Sfondi e Struttura */
    --bg-main: #0a0c10;
    --bg-surface: #12161f;
    --bg-card: #181d28;
    --bg-card-hover: #1e2533;
    --border-color: #262f40;
    --border-highlight: #3a4760;

    /* Testo e Tipografia */
    --text-main: #e6edf3;
    --text-muted: #8b949e;
    --text-dimmed: #57606a;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "Fira Code", "JetBrains Mono", Consolas, monospace;

    /* Colore Accent Predefinito (Cyber Blue) */
    --accent: #00e5ff;
    --accent-glow: rgba(0, 229, 255, 0.2);
}

/* --- 2. AMBIENTI CROMATICI PER SEZIONE (COLOR CODING) --- */

/* 2.1 IL PROGETTO -> Cyan Tech */
[data-env="progetto"], .env-progetto {
    --accent: #00e5ff;
    --accent-glow: rgba(0, 229, 255, 0.25);
}

/* 2.2 MECCANICA & HARDWARE -> Arancione Industriale / CAD-CAM */
[data-env="meccanica"], .env-meccanica {
    --accent: #ff9800;
    --accent-glow: rgba(255, 152, 0, 0.25);
}

/* 2.3 AUTOMAZIONE & PLC -> Verde Sicurezza Impianti / Safety */
[data-env="automazione"], .env-automazione {
    --accent: #00e676;
    --accent-glow: rgba(0, 230, 118, 0.25);
}

/* 2.4 PYTHON & AI -> Viola / Indaco Neural Network */
[data-env="python-ai"], .env-python-ai {
    --accent: #7c4dff;
    --accent-glow: rgba(124, 77, 255, 0.25);
}

/* 2.5 PLAYGROUND WASM -> Magenta / Neon Sandbox */
[data-env="wasm"], .env-wasm {
    --accent: #ff4081;
    --accent-glow: rgba(255, 64, 129, 0.25);
}

/* 2.6 TERMINALE HMI / SCADA -> Giallo / Ambra Console CRT */
[data-env="hmi"], .env-hmi {
    --accent: #ffd600;
    --accent-glow: rgba(255, 214, 0, 0.25);
}

/* --- 3. RESET BASE & TIPOGRAFIA --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
    text-shadow: 0 0 8px var(--accent-glow);
}

/* --- 4. HEADER & NAVBAR GLOBALE --- */
.main-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}

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

.logo small {
    background: var(--border-color);
    color: var(--text-muted);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 4px;
    transition: all 0.2s;
}

.main-nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* Item Attivo con colore d'ambiente */
.main-nav a.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    background: var(--accent-glow);
}

/* --- 5. CARD, BADGE & AMBIENTI --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: 0 8px 25px var(--accent-glow);
}

/* Striscia di accento in cima alla Card */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    text-transform: uppercase;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid var(--accent);
}

/* --- 6. CASI REALI & STORIE DI SUCCESSO (GALLERY & CARDS) --- */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.case-study-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.case-study-img-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    background: #0f131a;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.case-study-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85) contrast(1.1);
    transition: transform 0.3s ease, filter 0.3s ease;
}

.case-study-card:hover .case-study-img {
    transform: scale(1.05);
    filter: brightness(1);
}

.case-study-tag {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(5px);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 4px;
    border: 1px solid var(--accent);
}

.case-study-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.case-study-title {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.case-study-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
}

.case-study-metric {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
}

/* --- 7. TABELLE TECNICHE & CODICE --- */
.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.tech-table th {
    background: var(--bg-surface);
    color: var(--text-muted);
    text-align: left;
    padding: 12px;
    border-bottom: 2px solid var(--border-color);
}

.tech-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.tech-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

pre, code {
    font-family: var(--font-mono);
    background: #0d1017;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

code {
    padding: 2px 6px;
    color: #ff79c6;
}

pre {
    padding: 16px;
    overflow-x: auto;
    color: #f8f8f2;
}

/* --- 8. FOOTER GLOBALE --- */
.main-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 30px 20px;
    margin-top: 60px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--text-muted);
    margin: 0 8px;
}

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

/* --- 9. REATTIVITÀ MOBILE --- */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .main-nav ul {
        flex-wrap: wrap;
        gap: 10px;
    }

    .main-nav a {
        font-size: 0.8rem;
        padding: 4px 8px;
    }

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