/* ERETICA GRAPPLING - OFFICIAL STYLE SHEET 
   Concept: Brutalist Minimalist 
   Updated: Background Logo & Multi-page support
*/

:root {
    --bg: #000000;
    --fg: #ffffff;
    --accent: #ff3e3e; /* Rosso Eretica */
    --muted: #888888;
    --border: #222222;
    --card-bg: #0a0a0a;
}

/* RESET E BASI */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    position: relative; /* Necessario per il logo di sfondo */
    overflow-x: hidden;
}

/* -----------------------------------------------------------
   LOGO DI SFONDO (WATERMARK)
   ----------------------------------------------------------- */
body::before {
    content: "";
    position: fixed; /* Rimane fermo mentre scorri */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Centra perfettamente */
    width: 80%; /* Grandezza del logo rispetto allo schermo */
    height: 80%;
    background-image: url('https://www.bjjee.com/wp-content/uploads/2023/12/gordon-ryan-guard-pass-.jpeg'); /* Percorso del tuo logo */
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain; /* Adatta il logo senza tagliarlo */
    
    /* L'EFFETTO DISSOLVENZA */
    opacity: 0.5; /* Imposta la trasparenza (0.01 = quasi invisibile, 0.1 = molto visibile) */
    
    filter: grayscale(100%); /* Lo rende monocromatico se non lo è già */
    z-index: -1; /* Lo mette sotto a tutto il testo */
    pointer-events: none; /* Non interferisce con i clic */
}

/* NAVIGAZIONE */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

/* DROPDOWN MENU CORSI */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.95);
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.9);
    z-index: 1001;
    border: 1px solid var(--border);
    top: 100%;
    left: 0;
    flex-direction: column;
    padding: 0.5rem 0;
}

.dropdown-content a {
    color: var(--fg);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s;
}

.dropdown-content a:hover {
    background-color: var(--border);
    color: var(--accent);
}

.dropdown:hover .dropdown-content {
    display: flex;
}

.logo {
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: -1px;
}

.logo a {
    text-decoration: none;
    color: var(--fg);
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a {
    color: var(--fg);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
}

nav a:hover {
    color: var(--accent);
}

/* IL TASTO PROVA NELLA NAV */
.btn-nav {
    background: var(--accent);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: 2px;
}

.btn-nav:hover {
    background: white !important;
    color: black !important;
}

/* HERO SECTION */
/* HERO SECTION */
.hero {
    height: 85vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    border-bottom: 1px solid var(--border);
    
    /* SFONDO CON IMMAGINE E SFUMATURA SCURA PER LEGGERE IL TESTO */
    background: linear-gradient(
        to right, 
        rgba(0, 0, 0, 0.9) 10%, 
        rgba(0, 0, 0, 0.4) 100%
    ), url('../assets/anto.jpg');
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero h1 {
    font-size: clamp(3.5rem, 12vw, 9rem);
    line-height: 0.85;
    font-weight: 900;
    letter-spacing: -4px;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.2rem;
    color: #cccccc; /* Leggermente più chiaro per contrastare lo sfondo */
    margin: 1.5rem 0 2.5rem 0;
    max-width: 500px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8); /* Ombra per massima leggibilità */
}

/* BOTTONI */
.btn-main {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--fg);
    color: var(--bg);
    text-decoration: none;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: 0.3s;
    border: none;
}

.btn-main:hover {
    background: var(--accent);
    color: var(--fg);
    transform: translateY(-2px);
}

/* SEZIONI GENERALI */
.section-padding {
    padding: 8rem 5%;
    border-bottom: 1px solid var(--border);
}

.section-tag {
    display: block;
    font-size: 0.7rem;
    color: var(--accent);
    margin-bottom: 2rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 2px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.grid-2 h2 {
    font-size: 3.5rem;
    line-height: 1;
    font-weight: 900;
    text-transform: uppercase;
}

.bg-dark {
    background-color: #050505;
}

/* GRIGLIA CORSI */
.grid-courses {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px;
    background: var(--border);
}

.course-card {
    background: var(--bg);
    padding: 4rem 2rem;
    transition: 0.4s ease;
}

.course-card:hover {
    background: #0f0f0f;
}

.course-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-weight: 900;
}

.course-card p {
    color: var(--muted);
}

/* PAGINA PROVA & FORM */
.form-container {
    max-width: 600px;
    margin-top: 3rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: #0a0a0a;
    border: 1px solid var(--border);
    color: white;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.beginner-box {
    background: var(--card-bg);
    padding: 4rem;
    border: 1px solid var(--border);
}

/* FOOTER */
footer {
    padding: 4rem 5%;
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 700;
}

/* BLOCCO MANIFESTO (HOME PAGE) */
.manifesto-block {
    padding: 6rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background-color: var(--bg);
    margin: 2rem 0;
}

.manifesto-text {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.2;
    max-width: 1000px;
    margin: 0 auto;
    color: var(--fg);
    font-style: italic;
    letter-spacing: -1px;
}

/* Evidenzia parole chiave in rosso */
.manifesto-text .highlight {
    color: var(--accent);
}

/* RESPONSIVE */


/* HAMBURGER MENU (Nascosto su PC) */
.hamburger {
    display: none;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--fg);
    cursor: pointer;
}
/* -----------------------------------------------------------
   RESPONSIVE & MOBILE DESIGN (Max 768px)
   ----------------------------------------------------------- */

@media (max-width: 768px) {
    /* 1. Spaziature e Griglie generali */
    .grid-2 { 
        grid-template-columns: 1fr; 
        gap: 3rem; 
    }
    .section-padding { 
        padding: 4rem 5%; 
    }
    
    /* 2. Hero Section */
    .hero { 
        height: auto; 
        min-height: 80vh; 
        padding-top: 6rem; 
        padding-bottom: 4rem; 
    }
    .hero h1 { 
        font-size: clamp(3rem, 15vw, 5rem); /* Dimensione dinamica per non sbordare */
        letter-spacing: -2px; 
        line-height: 0.9;
    }

    /* 3. La Navigazione Mobile (Hamburger Menu) */
    .navbar {
        padding: 1rem 5%;
        position: relative; /* Serve per far scendere il menu da qui */
    }
    
    .hamburger { 
        display: block; /* Mostra l'icona su mobile */
    }
    
    nav { 
        display: none; /* IL MENU E' NASCOSTO DI DEFAULT */
        position: absolute;
        top: 100%; /* Si apre esattamente sotto la barra nera */
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 1rem 5% 2rem 5%;
        border-bottom: 1px solid var(--border);
        box-shadow: 0px 10px 20px rgba(0,0,0,0.8);
    }
    
    /* Questa classe viene aggiunta dal Javascript quando clicchi */
    nav.active {
        display: flex; 
    }
    
    nav a { 
        font-size: 1.2rem; /* Testi grandi per le dita */
        padding: 1rem 0;
        border-bottom: 1px solid #1a1a1a;
        width: 100%;
    }

/* 4. Gestione Tendina su Mobile (Accordion) */
    .dropdown { 
        width: 100%; 
        display: flex;
        flex-direction: column;
    }
    .dropdown > a { 
        display: block; /* Facciamo riapparire la scritta "Corsi & Orari ▾" */
        width: 100%;
    }
    .dropdown-content {
        display: none; /* ORA È NASCOSTO DI DEFAULT! */
        flex-direction: column;
        position: relative;
        background-color: transparent;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--accent);
        padding: 0;
        margin: 0;
        margin-top: 0.5rem;
    }
    /* Questa classe farà apparire il sottomenù quando ci clicchiamo */
    .dropdown.open .dropdown-content {
        display: flex; 
    }
    .dropdown-content a {
        padding: 0.8rem 1rem;
        border-bottom: none;
        color: var(--muted);
        font-size: 1rem;
    }
    
    /* 5. Tasto Prova Mobile */
    .btn-nav { 
        text-align: center; 
        margin-top: 1.5rem; 
        padding: 1rem !important;
        border: none;
    }

    /* 6. Tabelle Orari (Timetable) per Schermi Piccoli */
    .timetable th, .timetable td { 
        display: block; 
        width: 100%; 
        padding: 0.5rem 0; 
    }
    .timetable th { 
        border-bottom: none; 
        padding-top: 1.5rem; 
        color: var(--accent); 
    }
    .timetable td { 
        padding-bottom: 1.5rem; 
    }
    .time-block { 
        display: block; 
        margin-bottom: 1rem; 
    }

    /* 7. Footer e Contatti */
    footer { 
        flex-direction: column; 
        gap: 2rem; 
        text-align: left; 
    }
    .contact-info p, .contact-info a { 
        font-size: 1.2rem; 
    }
    .map-container { 
        min-height: 300px; 
    }
}
/* SEZIONE FAQ */
.faq-container {
    margin-top: 6rem;
}

.faq-item {
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
}

.faq-item:last-child {
    border-bottom: 1px solid var(--border);
}

.faq-item h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-transform: uppercase;
    color: var(--fg);
}

.faq-item p {
    color: var(--muted);
    max-width: 800px;
    font-size: 1rem;
}

/* BOTTONE SOCIAL INSTAGRAM (CUSTOM E CENTRATO) */
.btn-instagram-custom {
    display: inline-flex;
    align-items: center;      /* Centra verticalmente */
    justify-content: center;  /* Centra orizzontalmente */
    width: 60px;              /* Il quadrato esterno */
    height: 60px;
    background-color: transparent;
    border: 2px solid var(--border);
    border-radius: 2px;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    text-decoration: none;
}

.btn-instagram-custom img {
    width: 35px;              /* Grandezza del tuo logo interno */
    height: 35px;
    object-fit: contain;      /* Mantiene le proporzioni del tuo JPG */
    display: block;           /* Elimina spazi fantasma sotto l'immagine */
    margin: 0;
}

/* EFFETTO HOVER: Il quadrato si accende di rosso */
.btn-instagram-custom:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    background-color: rgba(255, 62, 62, 0.05);
}

/* FAQ ACCORDION */
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--fg);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    text-align: left;
    cursor: pointer;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--muted);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 200px; /* Altezza sufficiente per il testo */
    padding-bottom: 1.5rem;
}

.faq-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--accent);
}