/* ============================================================
   RTIndustry — CSS Condiviso
   ============================================================ */

:root {
    --primary: #1a3a5c;
    --accent: #e63946;
    --accent-light: #ff6b6b;
    --success: #2a9d8f;
    --dark: #0d1b2a;
    --light-bg: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #1a3a5c 0%, #0d1b2a 100%);
    --gradient-accent: linear-gradient(135deg, #e63946 0%, #ff6b6b 100%);
    --gradient-success: linear-gradient(135deg, #2a9d8f 0%, #264653 100%);
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #333;
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.site-nav {
    background: var(--dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.site-nav .nav-brand {
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-nav .nav-brand:hover { color: white; }

.site-nav .nav-brand .brand-accent {
    color: var(--accent);
}

.site-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav .nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.15s;
}

.site-nav .nav-links a:hover {
    color: white;
    background: rgba(255,255,255,0.08);
}

.site-nav .nav-links a.active {
    color: white;
    background: rgba(42, 157, 143, 0.25);
}

.site-nav .nav-cta {
    background: var(--gradient-accent) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
}

.site-nav .nav-cta:hover {
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
    transform: translateY(-1px);
}

/* Mobile nav */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

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

    .site-nav .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 16px;
        border-top: 1px solid rgba(255,255,255,0.08);
    }

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

    .site-nav .nav-links a {
        width: 100%;
        padding: 12px 16px;
    }
}

/* ============================================================
   BOTTONI
   ============================================================ */
.btn-cta-primary {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 14px 36px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
    color: white;
}

.btn-cta-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    margin-left: 16px;
    transition: all 0.2s;
}

.btn-cta-secondary:hover {
    border-color: white;
    background: rgba(255,255,255,0.1);
    color: white;
}

/* ============================================================
   SEZIONI GENERICHE
   ============================================================ */
.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.section-tag.accent { background: rgba(230, 57, 70, 0.1); color: var(--accent); }
.section-tag.success { background: rgba(42, 157, 143, 0.1); color: var(--success); }
.section-tag.white { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.9); }

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 650px;
    margin: 0 auto 48px;
}

/* ============================================================
   CARD GENERICHE
   ============================================================ */
.card-hover {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.card-icon.accent { background: rgba(230, 57, 70, 0.1); color: var(--accent); }
.card-icon.success { background: rgba(42, 157, 143, 0.1); color: var(--success); }
.card-icon.orange { background: rgba(255, 165, 0, 0.1); color: #e67e22; }
.card-icon.gray { background: rgba(108, 117, 125, 0.1); color: #6c757d; }

/* Feature check lists */
.feature-check {
    list-style: none;
    padding: 0;
}

.feature-check li {
    padding: 6px 0;
    font-size: 0.95rem;
    color: #444;
}

.feature-check li i {
    color: var(--success);
    margin-right: 10px;
    font-weight: bold;
}

/* Screenshot reali */
.img-screenshot {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border: 1px solid #e0e0e0;
}

.img-screenshot.hero-img {
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #080f1a;
    color: rgba(255,255,255,0.6);
    padding: 48px 0 24px;
    font-size: 0.85rem;
}

.site-footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.site-footer a:hover { color: white; }

.site-footer h6 {
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.site-footer hr {
    border-color: rgba(255,255,255,0.1);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .section-title { font-size: 1.8rem; }
    .btn-cta-secondary { margin-left: 0; margin-top: 12px; }
}