@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap");


/* Previene il lampo bianco e imposta il colore di base immediato */
html {
    background-color: #0b0f19;
    /* Imposta lo sfondo scuro nativo di base */
    color-scheme: light;
    /* Dice al browser che la pagina supporta il tema scuro */
}

/* Evita animazioni di transizione del colore al primo caricamento */
html:not(.theme-loaded) * {
    transition: none !important;
}


/* INDEX.HTML */
/* ---------- 1. Design tokens ---------- */
:root {
    /* Colori base */
    --color-bg: #f5f7fb;
    --color-paper: #ffffff;
    --color-grid-line: rgba(42, 62, 177, 0.07);
    --color-ink: #1b2140;
    --color-ink-soft: #565d84;
    --color-ink-faint: #8b91b3;

    /* Colore principale: inchiostro blu */
    --color-primary: #2a3eb1;
    --color-primary-dark: #1a2570;
    --color-primary-soft: #eef0fb;

    /* Accento: evidenziatore giallo */
    --color-accent: #ffc93c;
    --color-accent-dark: #e0a819;

    /* Accento secondario: penna corallo */
    --color-coral: #ff6b4a;

    /* Colori materie (in ordine di comparsa nella pagina) */
    --subj-matematica: #2a3eb1;
    --subj-fisica: #ff6b4a;
    --subj-inglese: #1f9d6f;
    --subj-italiano: #c23b6b;
    --subj-informatica: #009aa6;
    --subj-scienze: #7a5cfa;

    --border-radius-s: 8px;
    --border-radius-m: 14px;
    --border-radius-l: 22px;

    --shadow-card: 0 2px 4px rgba(27, 33, 64, 0.04),
        0 10px 24px -12px rgba(27, 33, 64, 0.14);
    --shadow-card-hover: 0 6px 12px rgba(27, 33, 64, 0.06),
        0 20px 40px -16px rgba(27, 33, 64, 0.22);

    --font-display: "Space Grotesk", "Segoe UI", sans-serif;
    --font-body: "Inter", "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "Courier New", monospace;

    --max-width: 1180px;
    --transition-fast: 180ms ease;
    --transition-base: 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 2. Reset & base ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;

    /* Carta a quadretti: griglia sottilissima su tutto il sito */
    background-image: linear-gradient(var(--color-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
    background-size: 32px 32px;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    color: var(--color-ink);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

p {
    color: var(--color-ink-soft);
}

ul {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

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

section,
.nascita,
.faq {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 5rem 1.5rem;
}

:focus-visible {
    outline: 2.5px solid var(--color-accent-dark);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- 3. Header / Navbar ---------- */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(27, 33, 64, 0.08);
}

.hotbar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* ---------- 3. Header / Navbar (Ingrandita) ---------- */
.logo-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    /* Spazio tra logo e testo */
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.logo-link:hover {
    transform: scale(1.03);
    /* Effetto zoom al passaggio del mouse */
}

.logo-link img {
    width: 58px;
    /* Ingrandito (prima era 44px) */
    height: 58px;
    /* Ingrandito (prima era 44px) */
    border-radius: var(--border-radius-s);
    object-fit: contain;
}

header h1 {
    font-size: 1.65rem;
    /* Ingrandito (prima era 1.25rem) */
    font-weight: 800;
    /* Più marcato e visibile */
    letter-spacing: -0.03em;
    color: var(--color-primary-dark);
    white-space: nowrap;
    margin-right: auto;
}

.navbar {
    display: flex;
    gap: 0.5rem;
}

.navbar a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-ink-soft);
    padding: 0.5rem 0.85rem;
    border-radius: var(--border-radius-s);
    transition: color var(--transition-fast),
        background-color var(--transition-fast);
}

.navbar a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.btn-login,
.btn-register {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    transition: transform var(--transition-fast),
        box-shadow var(--transition-fast), background-color var(--transition-fast);
    white-space: nowrap;
}

.btn-login {
    color: var(--color-primary);
    border: 1.5px solid rgba(42, 62, 177, 0.25);
}

.btn-login:hover {
    background-color: var(--color-primary-soft);
    border-color: var(--color-primary);
}

.btn-register {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 6px 16px -6px rgba(42, 62, 177, 0.55);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -6px rgba(42, 62, 177, 0.6);
}

/* ---------- 4. Hero — chiaro, energico, "app di esercizi" ---------- */
.hero-banner {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg);
    /* eredita la carta a quadretti globale */
    padding: 6.5rem 1.5rem 7.5rem;
    text-align: center;
    isolation: isolate;
}

/* Macchie di colore sfocate: energia da "app di esercizi", non da hero istituzionale */
.hero-banner::before {
    content: "";
    position: absolute;
    z-index: -2;
    inset: 0;
    background: radial-gradient(46rem 26rem at 82% 8%,
            rgba(255, 201, 60, 0.55),
            transparent 60%),
        radial-gradient(38rem 24rem at 8% 92%,
            rgba(255, 107, 74, 0.35),
            transparent 60%),
        radial-gradient(30rem 20rem at 50% 30%,
            rgba(42, 62, 177, 0.12),
            transparent 65%);
    filter: blur(2px);
    animation: nexusDrift 16s ease-in-out infinite;
}

/* Grafico a nodi connessi in SVG: rappresenta letteralmente il "nexus"
      fra le materie, ora in inchiostro blu su carta chiara. Nessun HTML/JS aggiunto. */
.hero-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.65;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 900 600'%3E%3Cg fill='none' stroke='%232a3eb1' stroke-opacity='0.22' stroke-width='1.4'%3E%3Cline x1='120' y1='120' x2='300' y2='210'/%3E%3Cline x1='300' y1='210' x2='210' y2='360'/%3E%3Cline x1='300' y1='210' x2='480' y2='160'/%3E%3Cline x1='480' y1='160' x2='650' y2='260'/%3E%3Cline x1='650' y1='260' x2='790' y2='150'/%3E%3Cline x1='650' y1='260' x2='700' y2='430'/%3E%3Cline x1='210' y1='360' x2='380' y2='450'/%3E%3Cline x1='380' y1='450' x2='560' y2='420'/%3E%3Cline x1='560' y1='420' x2='700' y2='430'/%3E%3Cline x1='120' y1='120' x2='60' y2='300'/%3E%3C/g%3E%3Cg fill='%23ff6b4a'%3E%3Ccircle cx='120' cy='120' r='6'/%3E%3Ccircle cx='480' cy='160' r='5'/%3E%3Ccircle cx='790' cy='150' r='6'/%3E%3Ccircle cx='560' cy='420' r='5'/%3E%3C/g%3E%3Cg fill='%232a3eb1'%3E%3Ccircle cx='300' cy='210' r='7'/%3E%3Ccircle cx='210' cy='360' r='5'/%3E%3Ccircle cx='650' cy='260' r='7'/%3E%3Ccircle cx='700' cy='430' r='5'/%3E%3Ccircle cx='380' cy='450' r='4'/%3E%3Ccircle cx='60' cy='300' r='4'/%3E%3C/g%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 130% auto;
    animation: nexusDrift 14s ease-in-out infinite reverse;
}

@keyframes nexusDrift {

    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(-1.5%, 1.5%, 0) scale(1.03);
    }
}

/* Etichetta sopra il titolo: dichiara subito "è un'app di esercizi" */
.hero-banner h2 {
    font-size: clamp(2.6rem, 6vw, 4.25rem);
    background: linear-gradient(100deg,
            var(--color-primary-dark) 20%,
            var(--color-primary) 55%,
            var(--color-coral) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: -0.02em;
    animation: heroRise 700ms var(--transition-base) both;
}

.hero-banner h2::before {
    content: "Esercizi interattivi, subito";
    display: block;
    font-family: var(--font-mono);
    -webkit-text-fill-color: initial;
    background: none;
    color: var(--color-coral);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 1rem;
}

.hero-banner p {
    color: var(--color-ink-soft);
    font-size: 1.15rem;
    max-width: 34rem;
    margin: 1.1rem auto 0;
    animation: heroRise 700ms var(--transition-base) 100ms both;
}

@keyframes heroRise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-materie {
    display: inline-block;
    margin-top: 2.25rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: #ffffff;
    background-color: var(--color-coral);
    padding: 0.9rem 2rem;
    border-radius: 999px;
    box-shadow: 0 14px 28px -10px rgba(255, 107, 74, 0.55);
    transition: transform var(--transition-fast),
        box-shadow var(--transition-fast), background-color var(--transition-fast);
    animation: heroRise 700ms var(--transition-base) 200ms both;
}

.btn-materie:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 18px 32px -10px rgba(42, 62, 177, 0.5);
}

/* ---------- 5. Esercizio della settimana ---------- */
.es-settimana {
    text-align: center;
}

.es-settimana>h2 {
    font-size: clamp(1.9rem, 3.5vw, 2.5rem);
}

.sottotitolo-esercizio {
    max-width: 38rem;
    margin: 0.75rem auto 3rem;
    font-size: 1.05rem;
}

.vecchia-soluzione,
.quesito {
    text-align: left;
    border-radius: var(--border-radius-l);
    padding: 2.25rem 2.5rem;
    margin-bottom: 1.75rem;
}

/* Card "risolta": aspetto di foglio corretto */
.vecchia-soluzione {
    background-color: var(--color-paper);
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: var(--shadow-card);
    position: relative;
}

.vecchia-soluzione::before {
    content: "✓";
    position: absolute;
    top: -14px;
    left: 2.25rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--subj-inglese);
    color: #ffffff;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(31, 157, 111, 0.4);
}

.materia-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.9rem;
}

.materia-badge.passato {
    background-color: rgba(31, 157, 111, 0.12);
    color: #16794f;
}

.vecchia-soluzione h3,
.quesito h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.soluzione-contenuto p {
    color: var(--color-ink);
    margin-bottom: 0.6rem;
}

.soluzione-contenuto strong {
    font-family: var(--font-mono);
    color: var(--color-primary);
}

.soluzione-contenuto ul {
    background-color: var(--color-bg);
    border-radius: var(--border-radius-s);
    padding: 1rem 1.25rem;
    margin-top: 0.5rem;
}

.soluzione-contenuto li {
    font-family: var(--font-mono);
    font-size: 0.92rem;
    color: var(--color-ink-soft);
    padding: 0.2rem 0;
}

/* Card "sfida attiva": foglio di lavoro ancora da completare */
.quesito {
    background-color: var(--color-primary-soft);
    border: 1.5px dashed rgba(42, 62, 177, 0.35);
}

.quesito h1 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-coral);
    margin-bottom: 0.6rem;
}

.testo-esercizio {
    color: var(--color-ink);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}

.avviso-prossima-settimana {
    background-color: rgba(255, 201, 60, 0.25);
    border-left: 3px solid var(--color-accent-dark);
    border-radius: var(--border-radius-s);
    padding: 0.85rem 1.1rem;
}

.avviso-prossima-settimana p {
    color: var(--color-ink);
    font-size: 0.92rem;
}

/* ---------- 6. Nascita di NEXUS ---------- */
.nascita {
    text-align: center;
    max-width: 46rem;
}

.nascita h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.nascita p {
    font-size: 1.05rem;
}

/* ---------- 7. FAQ / Struttura ---------- */
.faq {
    max-width: 44rem;
}

.faq h3 {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 0.75rem;
}

.faq>p {
    text-align: center;
    margin-bottom: 2rem;
}

.faq ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq li {
    background-color: var(--color-paper);
    border: 1px solid rgba(27, 33, 64, 0.08);
    border-radius: var(--border-radius-m);
    padding: 1.1rem 1.4rem;
    display: flex;
    gap: 0.9rem;
    align-items: baseline;
}

.faq li::before {
    content: "→";
    color: var(--color-primary);
    font-weight: 700;
    flex-shrink: 0;
}

.faq li strong {
    font-family: var(--font-display);
    color: var(--color-primary-dark);
}

/* ---------- 8. Metodo di studio ---------- */
.sezione-metodo {
    text-align: center;
}

.sezione-metodo>h2 {
    font-size: clamp(1.9rem, 3.5vw, 2.5rem);
}

.sottotitolo-metodo {
    max-width: 36rem;
    margin: 0.75rem auto 3rem;
}

.metodo-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.metodo-immagine img {
    border-radius: var(--border-radius-l);
    box-shadow: var(--shadow-card-hover);
    border: 6px solid var(--color-paper);
}

.metodo-passi {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Linea di percorso: qui i tre passi SONO una sequenza reale,
      quindi una connessione visibile è giustificata. */
.metodo-passi::before {
    content: "";
    position: absolute;
    left: 1.5rem;
    top: 1.5rem;
    bottom: 1.5rem;
    width: 2px;
    background: linear-gradient(var(--color-primary) 0%,
            rgba(42, 62, 177, 0.15) 100%);
}

.passo-card {
    position: relative;
    padding-left: 3.5rem;
}

.passo-card::before {
    content: "";
    position: absolute;
    left: 0.85rem;
    top: 0.3rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-accent);
    border: 3px solid var(--color-primary);
}

.passo-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.passo-card p {
    font-size: 0.98rem;
}

/* ---------- 9. Materie ---------- */
.sezione-materie {
    text-align: center;
}

.sezione-materie h2 {
    font-size: clamp(1.9rem, 3.5vw, 2.5rem);
    max-width: 40rem;
    margin: 0 auto 3rem;
}

.materie {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.materia-card {
    background-color: var(--color-paper);
    border-radius: var(--border-radius-m);
    padding: 1.75rem 1.6rem;
    border: 1px solid rgba(27, 33, 64, 0.07);
    border-top: 4px solid var(--color-primary);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base),
        box-shadow var(--transition-base);
}

.materia-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.materia-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.materia-card li {
    font-size: 0.92rem;
    color: var(--color-ink-soft);
    padding: 0.3rem 0;
    padding-left: 1.1rem;
    position: relative;
}

.materia-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.5;
}

/* Colore per materia: */
/* Rende il link un contenitore pulito */
.materia-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Bordi superiori e colori dei titoli gestiti tramite classi dirette */
/* Matematica - Azzurro */
.materia-matematica .materia-card {
    border-top-color: #00b4d8 !important;
}

.materia-matematica h3 {
    color: #00b4d8 !important;
}

/* Fisica - Fucsia/Viola */
.materia-fisica .materia-card {
    border-top-color: #b700f9 !important;
}

.materia-fisica h3 {
    color: #b700f9 !important;
}

/* Inglese - Rosa */
.materia-inglese .materia-card {
    border-top-color: #e396c6 !important;
}

.materia-inglese h3 {
    color: #e39ec6 !important;
}

/* Italiano - Rosso */
.materia-italiano .materia-card {
    border-top-color: #ff0000 !important;
}

.materia-italiano h3 {
    color: #ff0000 !important;
}

/* Informatica - Arancione */
.materia-informatica .materia-card {
    border-top-color: #ff7b00 !important;
}

.materia-informatica h3 {
    color: #ff7b00 !important;
}

/* Scienze - Verde Acceso */
.materia-scienze .materia-card {
    border-top-color: #17e91a !important;
}

.materia-scienze h3 {
    color: #17e91a !important;
}


/* ---------- 9bis. CTA finale ---------- */
.sezione-cta-finale {
    text-align: center;
    padding-top: 2rem;
    padding-bottom: 6rem;
}

.cta-box {
    position: relative;
    max-width: 38rem;
    margin: 0 auto;
}

.cta-box h2 {
    position: relative;
    display: inline-block;
    font-size: clamp(1.9rem, 3.4vw, 2.6rem);
    color: var(--color-ink);
    margin-bottom: 1.1rem;
}

/* Stesso tratto da evidenziatore del titolo dell'hero, qui come richiamo finale */
.cta-box h2::after {
    content: "";
    position: absolute;
    left: -0.1em;
    right: -0.1em;
    bottom: 0.08em;
    height: 0.28em;
    background-color: var(--color-accent);
    opacity: 0.55;
    z-index: -1;
    transform: rotate(-1deg);
}

.cta-box p {
    color: var(--color-ink-soft);
    font-size: 1.08rem;
    max-width: 30rem;
    margin: 0 auto 2.1rem;
}

.btn-registrati-finale {
    position: relative;
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: #ffffff;
    background-color: var(--color-coral);
    padding: 0.95rem 2.3rem;
    border-radius: 999px;
    box-shadow: 0 14px 28px -10px rgba(255, 107, 74, 0.5);
    transition: transform var(--transition-fast),
        box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn-registrati-finale:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 18px 32px -10px rgba(42, 62, 177, 0.45);
}

/* ---------- 10. Footer ---------- */
footer {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    padding: 3rem 1.5rem 2.5rem;
    margin-top: 2rem;
}

footer p:first-child {
    font-family: var(--font-display);
    color: #ffffff;
    font-weight: 600;
    font-size: 1.05rem;
}

footer p {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

footer a {
    display: inline-block;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0.75rem 0;
    border-bottom: 1px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

/* ---------- 11. Responsive ---------- */
@media (max-width: 900px) {
    .metodo-container {
        grid-template-columns: 1fr;
    }

    .metodo-immagine {
        order: -1;
    }
}

@media (max-width: 720px) {
    .hotbar {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        gap: 0.9rem;
        padding: 1.1rem 1.25rem 1.35rem;
        row-gap: 0.85rem;
    }

    /* Riga 1: logo + titolo insieme, come un unico blocco */
    .logo-link {
        order: -1;
    }

    .logo-link img {
        width: 34px;
        height: 34px;
    }

    header h1 {
        order: -1;
        margin-right: 0;
        font-size: 1.1rem;
    }

    /* Riga 2: navigazione, ben distanziata */
    .navbar {
        order: 1;
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.35rem;
        padding-top: 0.6rem;
        border-top: 1px solid rgba(27, 33, 64, 0.08);
    }

    .navbar a {
        font-size: 0.9rem;
        padding: 0.4rem 0.75rem;
    }

    /* Riga 3: accesso/registrazione, occupano tutta la larghezza */
    .auth-buttons {
        order: 2;
        width: 100%;
        justify-content: center;
        gap: 0.7rem;
    }

    .btn-login,
    .btn-register {
        flex: 1 1 0;
        text-align: center;
        max-width: 11rem;
    }

    .hero-banner {
        padding: 5rem 1.25rem 6rem;
    }

    section,
    .nascita,
    .faq {
        padding: 3.5rem 1.25rem;
    }

    .vecchia-soluzione,
    .quesito {
        padding: 1.75rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .navbar a {
        padding: 0.4rem 0.6rem;
        font-size: 0.88rem;
    }

    .btn-login,
    .btn-register {
        padding: 0.5rem 0.9rem;
        font-size: 0.85rem;
    }
}








/* PRIVACY_POLICI.HTML */

.documento-legale {
    max-width: 52rem;
    margin: 4rem auto;
    background-color: var(--color-paper);
    border-radius: var(--border-radius-m);
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: var(--shadow-card);
    padding: 4rem 4.5rem;
    text-align: left;
}

.documento-legale h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.documento-legale .data-aggiornamento {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-ink-faint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1.5px dashed rgba(42, 62, 177, 0.15);
}

.documento-legale h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.documento-legale p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    color: var(--color-ink);
}

.documento-legale ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.documento-legale li {
    font-size: 1.05rem;
    color: var(--color-ink-soft);
    position: relative;
    padding: 0.4rem 0 0.4rem 1.25rem;
}

.documento-legale li::before {
    content: "•";
    position: absolute;
    left: -0.5rem;
    color: var(--color-coral);
    font-size: 1.5rem;
    line-height: 1;
    top: 0.2rem;
}

.documento-legale a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(42, 62, 177, 0.3);
    transition: text-decoration-color var(--transition-fast);
}

.documento-legale a:hover {
    text-decoration-color: var(--color-primary);
}

/* Adattamento mobile per il documento legale */
@media (max-width: 720px) {
    .documento-legale {
        margin: 2rem 1.25rem;
        padding: 2.5rem 1.75rem;
    }
}





/* CHI_SIAMO.HTML */

/* Layout Base per Chi Siamo */
body.page-chi-siamo main {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

/* 1. Hero Editoriale Isolata (Nessun effetto sulla Home) */
body.page-chi-siamo .hero-banner {
    max-width: 100% !important;
    margin: 0 auto 2rem !important;
    padding: 4.5rem 1.5rem 3rem !important;
    text-align: center;
    background: linear-gradient(180deg, var(--color-primary-soft) 0%, transparent 100%) !important;
    border-bottom: 1px solid rgba(27, 33, 64, 0.05);
}

/* Rimuove i punti e le linee dello sfondo SOLO su chi_siamo.html */
body.page-chi-siamo .hero-banner::before,
body.page-chi-siamo .hero-banner::after {
    display: none !important;
    content: none !important;
}

/* Reset del testo Hero per la sola pagina Chi Siamo */
body.page-chi-siamo .hero-banner h2 {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem) !important;
    color: var(--color-primary-dark) !important;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    background: none !important;
    -webkit-text-fill-color: initial !important;
    animation: none !important;
}

body.page-chi-siamo .hero-banner h2::before {
    display: none !important;
}

body.page-chi-siamo .hero-banner p {
    font-size: 1.2rem !important;
    line-height: 1.6;
    color: var(--color-ink-soft);
    max-width: 44rem;
    margin: 0 auto;
    animation: none !important;
}

/* 2. Sezione Manifesto & Filosofia */
.sezione-manifesto {
    max-width: 48rem;
    margin: 3rem auto 4rem;
    background-color: var(--color-paper);
    padding: 3.5rem;
    border-radius: var(--border-radius-l);
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: var(--shadow-card);
    position: relative;
}

.sezione-manifesto h2 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-top: 0.8rem;
    margin-bottom: 1.25rem;
}

.sezione-manifesto p {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1.2rem;
    color: var(--color-ink);
}

.citazione-nexus {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--color-primary-dark);
    background-color: var(--color-primary-soft);
    border-left: 4px solid var(--color-coral);
    padding: 1.5rem 1.75rem;
    margin: 2rem 0 1rem;
    border-radius: 0 var(--border-radius-m) var(--border-radius-m) 0;
}

/* 3. Metodo Pedagogico (Layout Asimmetrico a 2 Colonne) */
.sezione-metodo-pedagogico {
    max-width: var(--max-width);
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.sezione-metodo-pedagogico h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--color-primary-dark);
}

.griglia-pilastri {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.pilastro-item {
    background-color: rgba(255, 255, 255, 0.6);
    border-left: 3px solid var(--color-primary);
    padding: 1.5rem 1.75rem;
    border-radius: 0 var(--border-radius-m) var(--border-radius-m) 0;
    transition: background-color var(--transition-fast);
}

.pilastro-item:hover {
    background-color: var(--color-paper);
}

.pilastro-item h3 {
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.pilastro-item ul li {
    font-size: 0.95rem;
    color: var(--color-ink-soft);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.2rem;
}

.pilastro-item ul li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-coral);
    font-weight: 700;
}

/* 4. Statistiche Minimali */
/* 4. Statistiche in Card Arancioni */
.sezione-statistiche {
    max-width: var(--max-width);
    margin: 4rem auto;
    padding: 0 1.5rem;
    text-align: center;
}

.sezione-statistiche h2 {
    font-size: 2rem;
    color: var(--color-primary-dark);
    margin-bottom: 2.5rem;
}

.griglia-statistiche {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.stat-box {
    background-color: #ffffff;
    /* Bordo arancione elegante e sottile ombreggiatura */
    border: 2px solid var(--color-coral, #ff6b4a);
    border-top: 5px solid var(--color-coral, #ff6b4a);
    /* Accento superiore più marcato */
    border-radius: var(--border-radius-m, 12px);
    padding: 1.75rem 2rem;
    min-width: 260px;
    flex: 1;
    max-width: 320px;
    box-shadow: 0 10px 25px rgba(255, 107, 74, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(255, 107, 74, 0.15);
}

.stat-numero {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1;
    margin-bottom: 0.6rem;
}

.stat-etichetta {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-ink-soft);
}

/* 5. Timeline Evoluzione Verticale */
.timeline-sezione {
    max-width: 46rem;
    margin: 5rem auto;
    padding: 0 1.5rem;
}

.timeline-sezione h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.timeline-sezione .sottotitolo-metodo {
    text-align: center;
    margin-bottom: 3rem;
}

.timeline-container {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid rgba(42, 62, 177, 0.15);
}

.timeline-step {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: -2.45rem;
    top: 0.35rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-coral);
    border: 3px solid var(--color-bg);
}

.timeline-step h3 {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.4rem;
}

.timeline-step p {
    font-size: 0.98rem;
    line-height: 1.6;
}

/* Responsive Chi Siamo */
@media (max-width: 768px) {
    .griglia-pilastri {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .sezione-manifesto {
        padding: 2rem 1.5rem;
    }

    .griglia-statistiche {
        gap: 1.5rem;
    }

    .stat-numero {
        font-size: 2.8rem;
    }
}





/* TERMINI_CONDIZIONI.HTML */

/* Articolo stile documento contrattuale */
article.documento-legale {
    border-top: 5px solid var(--color-accent);
    box-shadow: 0 4px 20px rgba(27, 33, 64, 0.06);
    background: #ffffff;
    padding: 3.5rem 3rem;
    border-radius: var(--border-radius-m);
    margin: 2.5rem auto 4rem;
}

/* Numerazione dei capitoli legale */
article.documento-legale h2 {
    font-size: 1.35rem;
    color: var(--color-primary-dark);
    margin: 2.2rem 0 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px dashed rgba(27, 33, 64, 0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

article.documento-legale h2:first-of-type {
    margin-top: 0;
}

/* Paragrafi e testo normativo */
article.documento-legale p {
    font-size: 0.98rem;
    line-height: 1.75;
    color: var(--color-ink-soft);
    margin-bottom: 1rem;
}

article.documento-legale strong {
    color: var(--color-ink);
}

/* Elenchi con freccia personalizzata (Diverso dalla Privacy) */
article.documento-legale ul {
    margin: 1rem 0 1.5rem 0;
    padding: 0;
    list-style: none;
}

article.documento-legale ul li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.6rem;
    font-size: 0.95rem;
    color: var(--color-ink-soft);
}

article.documento-legale ul li::before {
    content: "➔";
    position: absolute;
    left: 0.2rem;
    top: 0;
    color: var(--color-coral);
    font-size: 0.85rem;
}

/* Box speciale per "Contatti e Supporto" */
article.documento-legale h2:last-of-type {
    border-bottom: none;
}

article.documento-legale p:last-child {
    background-color: var(--color-primary-soft);
    padding: 1.2rem 1.5rem;
    border-radius: var(--border-radius-s);
    border-left: 3px solid var(--color-primary);
    margin-top: 1rem;
}

/* Adattamento Mobile */
@media (max-width: 600px) {
    article.documento-legale {
        padding: 2rem 1.25rem;
    }
}







/* CONTATTI.HTML */

/* Layout principale e contenitore centrato */
.contenitore-centrato {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-chi-siamo {
    text-align: center;
    padding: 4rem 1.5rem 2rem;
}

.hero-chi-siamo-content {
    max-width: 42rem;
    margin: 0 auto;
}

.badge-anno {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-coral);
    background-color: rgba(255, 107, 74, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.hero-chi-siamo-content h1 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
}

.lead-text {
    font-size: 1.1rem;
    color: var(--color-ink-soft);
}

/* Griglia asimmetrica a due colonne per i contatti */
.layout-contatti {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 3rem;
    margin: 3rem 0 6rem;
    align-items: start;
}

/* Colonna Sinistra: Cards Canali */
.griglia-canali {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.card-contatto {
    background-color: var(--color-paper);
    border: 1px solid rgba(27, 33, 64, 0.08);
    border-radius: var(--border-radius-m);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card-contatto:hover {
    transform: translateY(-3px);
    border-color: rgba(42, 62, 177, 0.25);
}

.icona-contatto {
    font-size: 1.8rem;
    line-height: 1;
    background-color: var(--color-primary-soft);
    padding: 0.7rem;
    border-radius: var(--border-radius-s);
    flex-shrink: 0;
}

.card-contatto h3 {
    font-size: 1.1rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.3rem;
}

.card-contatto p {
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 0.5rem;
}

.link-contatto {
    font-family: var(--font-mono);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-coral);
}

.link-contatto:hover {
    text-decoration: underline;
}

.badge-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-ink-faint);
    background: var(--color-bg);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    display: inline-block;
}

.info-box-risposta {
    background-color: var(--color-primary-soft);
    border: 1.5px dashed rgba(42, 62, 177, 0.25);
}

/* Colonna Destra: Form di Contatto */
.form-contatti {
    background-color: var(--color-paper);
    border-radius: var(--border-radius-m);
    padding: 2.5rem;
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: var(--shadow-card);
}

.form-contatti h2 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
}

.campo-form {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.campo-form label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-ink);
}

.campo-form input,
.campo-form select,
.campo-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid rgba(27, 33, 64, 0.12);
    border-radius: var(--border-radius-s);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-ink);
    background-color: var(--color-bg);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.campo-form input:focus,
.campo-form select:focus,
.campo-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #ffffff;
}

.btn-invia-form {
    width: 100%;
    background-color: var(--color-primary);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.9rem;
    border: none;
    border-radius: var(--border-radius-s);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    margin-top: 0.5rem;
}

.btn-invia-form:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Responsiveness Mobile */
@media (max-width: 850px) {
    .layout-contatti {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 600px) {
    .contenitore-centrato {
        padding: 0 1.25rem;
    }

    .form-contatti {
        padding: 1.75rem 1.25rem;
    }
}






/* LOGIN.HTML */

/* Layout base centrato per Login */
body.page-login {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
}

/* Card Contenitore Login */
body.page-login .auth-container {
    max-width: 420px;
    width: 90%;
    margin: 1.5rem auto 3rem;
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-l, 16px);
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: 0 15px 35px rgba(27, 33, 64, 0.06);
}

body.page-login main.auth-container {
    margin: auto;
    /* Centra perfettamente il box verticalmente e orizzontalmente */
}

body.page-login .auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

body.page-login .auth-header h2 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

body.page-login .auth-header p {
    font-size: 0.95rem;
    color: var(--color-ink-soft);
}

/* Form e Campi Input Login */
body.page-login .auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

body.page-login .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}

body.page-login .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

body.page-login .form-group input {
    padding: 0.8rem 1rem;
    border: 1.5px solid rgba(27, 33, 64, 0.15);
    border-radius: var(--border-radius-m, 8px);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body.page-login .form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(42, 62, 177, 0.12);
}

/* Bottone Login */
body.page-login .btn-auth {
    width: 100%;
    padding: 0.85rem;
    margin-top: 0.5rem;
    background-color: var(--color-coral, #ff6b4a);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-m, 8px);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

body.page-login .btn-auth:hover {
    background-color: #e55a39;
    transform: translateY(-1px);
}

/* Messaggio di Errore Login */
body.page-login .auth-error-msg {
    color: #d93025;
    background-color: #fce8e6;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
    text-align: center;
    border: 1px solid rgba(217, 48, 37, 0.2);
}

/* Link Footer Login */
body.page-login .auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-ink-soft);
}

body.page-login .auth-footer a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

body.page-login .auth-footer a:hover {
    text-decoration: underline;
}





/* REGISTRATI.HTML */

/* Layout base centrato per Registrati */
body.page-registrati {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
}

/* Card Contenitore Registrati (Leggermente più alta per fare spazio a Nome e Cognome) */
body.page-registrati .auth-container {
    max-width: 460px;
    width: 90%;
    margin: 2.5rem auto;
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-l, 16px);
    border: 1px solid rgba(27, 33, 64, 0.08);
    box-shadow: 0 15px 35px rgba(27, 33, 64, 0.06);
}

body.page-registrati .auth-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

body.page-registrati .auth-header h2 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

body.page-registrati .auth-header p {
    font-size: 0.95rem;
    color: var(--color-ink-soft);
}

/* Form e Campi Input Registrati */
body.page-registrati .auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

body.page-registrati .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}

body.page-registrati .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

body.page-registrati .form-group input {
    padding: 0.8rem 1rem;
    border: 1.5px solid rgba(27, 33, 64, 0.15);
    border-radius: var(--border-radius-m, 8px);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body.page-registrati .form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(42, 62, 177, 0.12);
}

/* Bottone Registrati */
body.page-registrati .btn-auth {
    width: 100%;
    padding: 0.85rem;
    margin-top: 0.5rem;
    background-color: var(--color-coral, #ff6b4a);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-m, 8px);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

body.page-registrati .btn-auth:hover {
    background-color: #e55a39;
    transform: translateY(-1px);
}

/* Messaggio di Errore Registrati */
body.page-registrati .auth-error-msg {
    color: #d93025;
    background-color: #fce8e6;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
    text-align: center;
    border: 1px solid rgba(217, 48, 37, 0.2);
}

/* Link Footer Registrati */
body.page-registrati .auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-ink-soft);
}

body.page-registrati .auth-footer a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

body.page-registrati .auth-footer a:hover {
    text-decoration: underline;
}





/* BOTTONE PROFILO E LOGOUT */
.btn-profile {
    text-decoration: none;
    font-weight: 600;
    color: var(--color-primary, #2563eb);
    padding: 8px 16px;
    border-radius: 20px;
    background-color: rgba(37, 99, 235, 0.1);
    transition: background-color 0.2s ease;
}

.btn-profile:hover {
    background-color: rgba(37, 99, 235, 0.2);
}

/* Tasto Logout */
.btn-logout {
    background: transparent;
    border: 1px solid rgba(27, 33, 64, 0.2);
    color: #ef4444;
    /* Rosso */
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background-color: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}







/* PROFILO.HTML */
/* ---------- PROFILO NAVBAR CUSTOM ---------- */
/* Contenitore principale utente */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Box pillola con nome utente e icona */
.user-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #eef0fb;
    /* var(--color-primary-soft) */
    color: #2a3eb1;
    /* var(--color-primary) */
    padding: 0.45rem 1rem;
    border-radius: 8px;
    /* var(--border-radius-s) */
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

/* Icona omino SVG/font dentro la pillola */
.user-pill::before {
    content: "👤";
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Bottone Esci/Logout con contorno rosso leggero */
.btn-logout-pill {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout-pill:hover {
    background-color: rgba(239, 68, 68, 0.08);
    border-color: #ef4444;
}


/* MATERIE.HTML*/

.materie-container {
    max-width: 1000px;
    margin: 3rem auto 5rem auto;
    padding: 0 1.5rem;
}

.materie-header-text {
    text-align: center;
    margin-bottom: 3.5rem;
}

.materie-header-text h1 {
    color: #0f172a;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}

.materie-header-text p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Lista verticale a scheda intera */
.materie-list-vertical {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

/* Card orizzontale */
.materia-row-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    transition: all 0.25s ease;
}

.materia-row-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.08);
    border-color: #cbd5e1;
}

.materia-row-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.materia-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.materia-titolo {
    font-size: 1.45rem;
    color: #0f172a;
    margin: 0 0 0.35rem 0;
    font-weight: 700;
}

.materia-desc {
    margin: 0;
    color: #64748b;
    font-size: 0.98rem;
    line-height: 1.45;
}

/* Sezione Tag Inferiore */
.materia-row-body {
    border-top: 1px dashed #e2e8f0;
    padding-top: 1.2rem;
}

.materia-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    background: #f8fafc;
    color: #334155;
    border: 1px solid #e2e8f0;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.materia-row-card:hover .tag {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: #bfdbfe;
}

/* Colori di sfondo per le icone delle materie */
.mat-icon {
    background: #e0f2fe;
}

.inf-icon {
    background: #f0fdf4;
}

.fis-icon {
    background: #fef3c7;
}

.sci-icon {
    background: #fce7f3;
}

.uma-icon {
    background: #f3e8ff;
}

.lin-icon {
    background: #ccfbf1;
}

/* Prossimi argomenti*/
.roadmap-section {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 2px solid #f1f5f9;
}

.roadmap-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.roadmap-header h2 {
    font-size: 1.8rem;
    color: #0f172a;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.roadmap-header p {
    color: #64748b;
    font-size: 1rem;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.roadmap-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.roadmap-card:hover {
    transform: translateY(-3px);
    border-color: #cbd5e1;
    background: #ffffff;
}

.roadmap-badge {
    display: inline-block;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.8rem;
}

.badge-soon {
    background: #fef3c7;
    color: #b45309;
}

.badge-planned {
    background: #e0f2fe;
    color: #0369a1;
}

.roadmap-title {
    font-size: 1.1rem;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
}

.roadmap-desc {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0;
    line-height: 1.45;
}



/* Animazioni argomenti di materie.html cliccabili */
.tag-link {
    text-decoration: none;
    color: inherit;
    display: inline-block;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
}

.tag-link:hover {
    background-color: #2563eb !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.tag-link-m:hover {
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.48);
}


/* Stile base delle schede con bordo spesso */
.materia-row-card {
    border-width: 3px !important;
    border-style: solid !important;
    border-radius: 12px;
    background-color: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Bordi colorati per ogni materia */
.card-matematica {
    border-color: #00a2ff !important;
    /* Blu */
}

.card-informatica {
    border-color: #ff7c02 !important;
    /* Azzurro/Ciano */
}

.card-fisica {
    border-color: #a600ff !important;
    /* Arancione/Giallo */
}

.card-scienze {
    border-color: #0ad41f !important;
    /* Verde */
}

.card-inglese {
    border-color: #feadad !important;
    /* Viola */
}

.card-italiano {
    border-color: #ff0000 !important;
    /* Rosso */
}


/* 1. Imposta lo sfondo della pagina e corregge l'overscrolling */
html {
    height: 100%;
    background-color: #ffffff;
    /* Evita lo sfondo nero durante lo scroll elastico (overscroll) */
}

/* 2. Trasforma il body in un contenitore Flex verticale a tutta altezza */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    background-color: #ffffff;
}

/* 3. Spinge il footer in fondo al contenuto se la pagina è corta */
main,
.materie-container {
    flex: 1;
    /* Occupa tutto lo spazio vuoto disponibile */
}


/* Utilizza lo stesso valore di altezza (px) della tua hotbar/header */
.materia-row-card {
    scroll-margin-top: 100px;
}



/* Contenitore principale stilizzato a foglio di lavoro */
.contenitore-centrato {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Hero della lezione */
.hero-lezione {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    margin-bottom: 2rem;
}

.hero-lezione h1 {
    font-size: 2.2rem;
    color: #0f172a;
    margin: 0.5rem 0 1rem 0;
}

/* Card bianche opache per la teoria e gli esercizi */
.contenuto-lezione,
.sezione-esercizi {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.contenuto-lezione h2,
.sezione-esercizi h2 {
    color: #1e293b;
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

/* Box per formule o regole */
.box-evidenza {
    background-color: #eff6ff;
    border-left: 4px solid #2563eb;
    padding: 1.2rem;
    margin: 1.5rem 0;
    border-radius: 0 12px 12px 0;
    color: #1e40af;
}

/* Singoli esercizi stilizzati */
.card-esercizio {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.card-esercizio h3 {
    margin-top: 0;
    color: #0f172a;
}

/* Menu a tendina per la soluzione */
.soluzione-box {
    margin-top: 1rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.8rem 1rem;
}

.soluzione-box summary {
    font-weight: 600;
    color: #2563eb;
    cursor: pointer;
}

.soluzione-contenuto {
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid #f1f5f9;
    color: #166534;
}


/* Card Esercizio */
.card-esercizio {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.testo-domanda {
    font-size: 1.05rem;
    color: #334155;
    margin-bottom: 1rem;
}

/* Box Risposta Verde */
.box-risposta-corretta {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    margin-bottom: 0.8rem;
}

/* Dropdown Spiegazione */
.spiegazione-box {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.spiegazione-box summary {
    font-weight: 600;
    color: #2563eb;
    cursor: pointer;
    user-select: none;
}

.spiegazione-contenuto {
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px dashed #cbd5e1;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.5;
}






/* COOKIE BANNER: */
/* Styling Banner Cookie */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #0f172a;
    color: #ffffff;
    padding: 1.5rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    box-sizing: border-box;
}

.cookie-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cookie-content h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #f8fafc;
}

.cookie-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #cbd5e1;
}

.cookie-content a {
    color: #38bdf8;
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.btn-cookie {
    padding: 0.7rem 1.4rem;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem;
}

.btn-cookie.accept {
    background-color: #2563eb;
    color: #ffffff;
}

.btn-cookie.accept:hover {
    background-color: #1d4ed8;
}

.btn-cookie.reject {
    background-color: #475569;
    color: #ffffff;
}

.btn-cookie.reject:hover {
    background-color: #334155;
}





/* Esercizi per difficoltà: */
/* Layout Intestazione Esercizio */
.header-esercizio {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.header-esercizio h3 {
    margin: 0;
    font-size: 1.15rem;
}

/* Stile Base Badge Difficoltà */
.badge-difficolta {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    display: inline-block;
}

/* --- LIVELLO FACILE (VERDINO CHIARO) --- */
.card-esercizio.livello-facile {
    background-color: #f0fdf4;
    /* Verdino molto chiaro */
    border: 1px solid #bbf7d0;
    border-left: 6px solid #22c55e;
    /* Bordo verde forte a sinistra */
}

.card-esercizio.livello-facile .header-esercizio h3 {
    color: #14532d;
}

.badge-difficolta.facile {
    background-color: #22c55e;
    color: #ffffff;
}


/* --- LIVELLO MEDIO (GIALLINO/CREMA CHIARO) --- */
.card-esercizio.livello-medio {
    background-color: #fefce8;
    /* Giallino caldo molto chiaro */
    border: 1px solid #fef08a;
    border-left: 6px solid #eab308;
    /* Bordo giallo/oro a sinistra */
}

.card-esercizio.livello-medio .header-esercizio h3 {
    color: #713f12;
}

.badge-difficolta.medio {
    background-color: #eab308;
    color: #ffffff;
}


/* --- LIVELLO DIFFICILE (ROSSINO CHIARO) --- */
.card-esercizio.livello-difficile {
    background-color: #fef2f2;
    /* Rossino/rosa tenue */
    border: 1px solid #fecaca;
    border-left: 6px solid #ef4444;
    /* Bordo rosso a sinistra */
}

.card-esercizio.livello-difficile .header-esercizio h3 {
    color: #7f1d1d;
}

.badge-difficolta.difficile {
    background-color: #ef4444;
    color: #ffffff;
}




/* Box Risposta Corretta in Azzurro Chiaro ma Ben Visibile */
.spiegazione-contenuto .box-risposta-corretta {
    background-color: #e0f2fe;
    /* Azzurro turchese ben marcato */
    border: 2px solid #38bdf8;
    /* Bordo azzurro definito */
    border-left: 6px solid #0284c7;
    /* Bordo blu forte a sinistra */
    color: #0369a1;
    /* Testo blu scuro ad alto contrasto */
    padding: 0.8rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.spiegazione-contenuto .box-risposta-corretta strong {
    color: #0c4a6e;
    /* Blu molto scuro per far risaltare il grassetto */
}





/* Spaziatura generale per i titoli all'interno delle lezioni */
article.contenuto-lezione h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

article.contenuto-lezione h3 {
    margin-top: 1.8rem;
    margin-bottom: 0.8rem;
}

/* Distacco per i titoli delle sezioni principali */
.sezione-esercizi h2 {
    margin-top: 3rem;
    margin-bottom: 1.2rem;
}




/* =======================================================
    RESPONSIVE COMPLETO (Sotto i 768px di larghezza)
   ======================================================= */
@media screen and (max-width: 767px) {

    /* 1. Contenitore principale flessibile */
    .contenitore-centrato,
    main {
        width: 100% !important;
        padding: 1.5rem 1rem !important;
        /* Riduce il padding solo su mobile */
        box-sizing: border-box;
    }

    /* 2. Header e Navigation Bar */
    header .hotbar {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 1rem;
    }

    .navbar,
    .auth-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    /* 3. Hero Section e Titoli */
    .hero-lezione {
        flex-direction: column;
        align-items: stretch !important;
    }

    h1 {
        font-size: clamp(1.5rem, 5vw, 2.2rem) !important;
        word-break: break-word;
    }

    /* 4. Card Lezioni e Pagine Liste (solo su mobile) */
    .materie-list-vertical>div,
    .card-lezione,
    .card-esercizio,
    .box-evidenza {
        display: flex !important;
        flex-direction: column !important;
        gap: 1rem !important;
        width: 100% !important;
        box-sizing: border-box;
        padding: 1.25rem !important;
        background: #ffffff;
        border-radius: 12px;
    }

    /* Layout mobile compattezza: affianca Numero e Titolo */
    .materie-list-vertical>div>div,
    .card-lezione>div {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 1rem !important;
        width: 100%;
    }

    /* Divisore per numero lezione */
    .materie-list-vertical .numero-lezione,
    .card-lezione .numero-lezione {
        border-right: 2px solid #e2e8f0 !important;
        border-bottom: none !important;
        padding-right: 0.8rem !important;
        padding-bottom: 0 !important;
        margin: 0 !important;
        flex-shrink: 0;
        text-align: center;
    }

    /* Titoli affiancati */
    .materie-list-vertical h2,
    .materie-list-vertical h3,
    .card-lezione h2,
    .card-lezione h3 {
        margin: 0 !important;
        font-size: 1.1rem !important;
        text-align: left !important;
        line-height: 1.3;
    }

    /* Bottoni mobile a tutta larghezza */
    .card-esercizio a,
    .card-esercizio button,
    .materie-list-vertical a,
    .materie-list-vertical button,
    .card-lezione a,
    .card-lezione button {
        width: 100% !important;
        text-align: center !important;
        margin-top: 0.2rem !important;
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        box-sizing: border-box;
    }

    /* 5. Immagini e Tabelle responsive */
    img {
        max-width: 100%;
        height: auto;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}