/* =========================================================================
   CITY RENT • NOLEGGIO LUNGO TERMINE LIBERI PROFESSIONISTI
   Design System & Custom Properties Layer (CSS Tokens + BEM Abstractions)
   ========================================================================= */

:root {
    /* Palette Colori Ufficiale Executive */
    --color-navy-base: #081C34;
    --color-navy-dark: #051323;
    --color-navy-light: #0D3755;
    
    --color-gold-base: #FFD700;
    --color-gold-hover: #F4C400;
    --color-gold-light: #FFF8CC;
    
    --color-slate-text: #1e293b;
    --color-slate-muted: #64748b;
    --color-slate-border: #e2e8f0;
    
    /* Tipografia & Scala */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', Roboto, sans-serif;
    
    /* Raggi di Curvatura & Spaziature Standard */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Ombreggiature Executive */
    --shadow-executive: 0 10px 25px -5px rgba(8, 28, 52, 0.15), 0 8px 10px -6px rgba(8, 28, 52, 0.1);
    --shadow-gold-glow: 0 10px 25px rgba(255, 215, 0, 0.35);
    --shadow-spotlight: 0 0 45px 15px rgba(8, 28, 52, 0.45);
}

/* Base Styles & Utilities Immutabili */
body {
    font-family: var(--font-body);
    color: var(--color-slate-text);
    background-color: #f8fafc;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
}

/* =========================================================================
   ASTRAZIONI BEM UI COMPONENTS (Bottoni, Card, Badge, Form)
   ========================================================================= */

/* Bottoni CTA Executive */
.btn-executive {
    background-color: var(--color-gold-base);
    color: var(--color-navy-base);
    font-family: var(--font-heading);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-gold-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid rgba(8, 28, 52, 0.1);
    cursor: pointer;
}
.btn-executive:hover:not(:disabled) {
    background-color: var(--color-gold-hover);
    transform: scale(1.02);
    box-shadow: 0 14px 28px rgba(255, 215, 0, 0.45);
}
.btn-executive:active:not(:disabled) {
    transform: scale(0.98);
}
.btn-executive:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    filter: grayscale(20%);
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.25);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-gold-base);
    color: var(--color-gold-base);
}

/* Badge & Etichette */
.badge-promo {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: rgba(255, 215, 0, 0.2);
    color: var(--color-gold-base);
    border: 1px solid rgba(255, 215, 0, 0.4);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
}

.badge-month {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--color-navy-base);
    color: var(--color-gold-base);
    border: 1px solid rgba(255, 215, 0, 0.3);
    font-weight: 700;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

/* Modulo Input & Form Elementi Accessibili (Focus-Visible WCAG AA) */
.form-input {
    width: 100%;
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--color-slate-text);
    outline: none;
    transition: all 0.2s ease;
}
.form-input:focus, .form-input:focus-visible {
    border-color: var(--color-navy-base);
    box-shadow: 0 0 0 3px rgba(8, 28, 52, 0.12);
}

/* Schede Vettura & Spotlight Card System */
.ui-car-card {
    background-color: #ffffff;
    border: 2px solid var(--color-slate-border);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
@media (min-width: 640px) {
    .ui-car-card {
        padding: 1.5rem;
    }
}
.ui-car-card--active {
    border-color: var(--color-navy-base);
    box-shadow: var(--shadow-spotlight);
    transform: scale(1.05);
    z-index: 20;
}

/* Griglia Specifiche 3 Colonne (Anticipo | Durata | Km/Anno) */
.card-specs-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.25rem;
    background-color: #f8fafc;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-lg);
    padding: 0.625rem;
    margin-bottom: 0.75rem;
    text-align: center;
}

/* Animazione di entrata delicata */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fadeIn {
    animation: fadeIn 0.35s ease-out forwards;
}