/* ════════════════════════════════════════════════
   CyberEasy Labs – Hub  |  hub.css
   Palette: #D71701 (red)  #000096 (navy)
   ════════════════════════════════════════════════ */

/* ── Reset & Tokens ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --red: #D71701;
    --red-dim: #a81301;
    --red-glow: rgba(215, 23, 1, 0.35);
    --navy: #000096;
    --navy-dim: #000070;
    --navy-glow: rgba(0, 0, 150, 0.35);

    --bg: #08080f;
    --bg-card: #0e0e1a;
    --bg-card2: #12121f;
    --border: rgba(255, 255, 255, 0.07);
    --border-h: rgba(255, 255, 255, 0.14);

    --text-1: #f0f0f8;
    --text-2: #9090b0;
    --text-3: #5a5a7a;

    --radius: 14px;
    --radius-sm: 8px;
    --transition: 200ms cubic-bezier(.4, 0, .2, 1);
    --font: 'Inter', system-ui, sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-1);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--red-dim);
    border-radius: 3px;
}

/* ════════════════════
   NAVBAR
   ════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(8, 8, 15, 0.75);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition), background var(--transition);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo {
    height: 34px;
    width: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 0 6px rgba(215, 23, 1, .25));
    transition: filter var(--transition), transform var(--transition);
}

.nav-brand:hover .nav-logo {
    filter: drop-shadow(0 0 12px rgba(215, 23, 1, .5));
    transform: scale(1.04);
}

.brand-name {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-1);
}

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

.nav-tag {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .08em;
    color: var(--red);
    background: rgba(215, 23, 1, .1);
    border: 1px solid rgba(215, 23, 1, .25);
    border-radius: 100px;
    padding: 3px 10px;
    text-transform: uppercase;
}

/* ════════════════════
   HERO
   ════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 80px;
    overflow: hidden;
}

/* Animated background */
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 100%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: orb-float 8s ease-in-out infinite alternate;
}

.orb-1 {
    width: 480px;
    height: 480px;
    top: -140px;
    left: -80px;
    background: radial-gradient(circle, rgba(0, 0, 150, .5) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    width: 380px;
    height: 380px;
    bottom: -100px;
    right: -60px;
    background: radial-gradient(circle, rgba(215, 23, 1, .4) 0%, transparent 70%);
    animation-delay: -4s;
}

@keyframes orb-float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(40px, 30px) scale(1.08);
    }
}

/* Hero content */
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-logo {
    width: 160px;
    height: auto;
    object-fit: contain;
    margin: 0 auto 28px;
    display: block;
    filter: drop-shadow(0 0 28px rgba(215, 23, 1, .3)) drop-shadow(0 0 12px rgba(0, 0, 150, .3));
    animation: hero-logo-float 6s ease-in-out infinite;
}

@keyframes hero-logo-float {

    0%,
    100% {
        transform: translateY(0px);
        filter: drop-shadow(0 0 28px rgba(215, 23, 1, .3)) drop-shadow(0 0 12px rgba(0, 0, 150, .3));
    }

    50% {
        transform: translateY(-8px);
        filter: drop-shadow(0 8px 32px rgba(215, 23, 1, .45)) drop-shadow(0 0 20px rgba(0, 0, 150, .4));
    }
}

.hero-wordmark {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
    margin: -8px auto 32px;
    filter: brightness(2) opacity(0.9);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text-2);
    margin-bottom: 24px;
}

.dot {
    width: 7px;
    height: 7px;
    background: var(--red);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--red);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 10px var(--red);
    }

    50% {
        opacity: .7;
        box-shadow: 0 0 20px var(--red);
    }
}

.hero-title {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(120deg, #000096 0%, #6060e0 40%, #D71701 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ── Word Carousel ── */
.carousel-wrapper {
    display: inline-block;
    position: relative;
    overflow: hidden;
    vertical-align: bottom;
    /* min-width keeps the line stable during transitions */
    min-width: 14ch;
}

.carousel-word {
    display: inline-block;
    will-change: transform, opacity;
    /* gradient on the carousel word too */
    background: linear-gradient(120deg, #ff4040 0%, #D71701 50%, #ff6030 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Slide out → left */
.carousel-word.exit {
    animation: carousel-exit 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Slide in ← right */
.carousel-word.enter {
    animation: carousel-enter 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes carousel-exit {
    0%   { transform: translateX(0);      opacity: 1; }
    100% { transform: translateX(-110%);  opacity: 0; }
}

@keyframes carousel-enter {
    0%   { transform: translateX(110%);   opacity: 0; }
    100% { transform: translateX(0);      opacity: 1; }
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-2);
    margin-bottom: 40px;
}


.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--red) 100%);
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    padding: 14px 28px;
    border-radius: 100px;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    box-shadow: 0 0 0 0 var(--red-glow);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--red-glow);
    filter: brightness(1.1);
}

.hero-cta svg {
    transition: transform var(--transition);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll-indicator span {
    display: block;
    width: 22px;
    height: 36px;
    border: 2px solid var(--border-h);
    border-radius: 100px;
    position: relative;
}

.hero-scroll-indicator span::before {
    content: '';
    display: block;
    width: 4px;
    height: 8px;
    background: var(--red);
    border-radius: 100px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-bob 1.6s ease-in-out infinite;
}

@keyframes scroll-bob {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    80% {
        transform: translateX(-50%) translateY(14px);
        opacity: 0;
    }
}

/* ════════════════════
   LABS SECTION
   ════════════════════ */
.labs-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 24px 120px;
}

.section-header {
    margin-bottom: 48px;
    text-align: center;
}

.section-label {
    font-family: var(--mono);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

/* Categories grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* ── Category Card ── */
.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 150, .06) 0%, rgba(215, 23, 1, .04) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.category-card:hover {
    border-color: var(--border-h);
    transform: translateY(-3px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}

.category-card:hover::before {
    opacity: 1;
}

/* Locked state */
.category-locked {
    opacity: .5;
    pointer-events: none;
}

.lock-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 8, 15, .35);
    backdrop-filter: blur(2px);
    border-radius: var(--radius);
}

/* Category header */
.category-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.category-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cat-color, #fff);
    flex-shrink: 0;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.category-card:hover .category-icon {
    background: rgba(255, 255, 255, .09);
    border-color: var(--cat-color, rgba(255, 255, 255, .15));
    box-shadow: 0 0 20px color-mix(in srgb, var(--cat-color) 30%, transparent);
}

.category-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 2px;
}

.category-tag {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .03em;
    color: var(--cat-color, var(--text-1));
    text-transform: uppercase;
}

.category-count {
    font-family: var(--mono);
    font-size: .72rem;
    color: var(--text-3);
    font-weight: 600;
}

.category-desc {
    font-size: .88rem;
    line-height: 1.65;
    color: var(--text-2);
    flex: 1;
}

.locked-desc {
    color: var(--text-3);
}

/* ── Lab list ── */
.lab-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lab-item {}

.lab-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .03);
    border: 1px solid transparent;
    text-decoration: none;
    color: var(--text-1);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}

.lab-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    border-radius: 0 2px 2px 0;
}

.lab-link:hover {
    background: rgba(215, 23, 1, .07);
    border-color: rgba(215, 23, 1, .2);
    transform: translateX(3px);
}

.lab-link:hover::after {
    transform: scaleX(1);
}

.lab-number {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    color: var(--red);
    background: rgba(215, 23, 1, .1);
    border: 1px solid rgba(215, 23, 1, .2);
    border-radius: 6px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lab-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.lab-title {
    font-size: .88rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lab-sub {
    font-size: .75rem;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.lab-premium-badge {
    display: inline-flex;
    align-items: center;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 100px;
    background: rgba(124, 94, 241, 0.15);
    border: 1px solid rgba(124, 94, 241, 0.3);
    color: #c4b5fd;
}

/* ── Lab Card Badges (one-per-lab layout) ── */
.lab-card-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.lab-badge {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 100px;
}

.lab-badge-basic {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #4ade80;
}

.lab-badge-premium {
    background: rgba(124, 94, 241, 0.15);
    border: 1px solid rgba(124, 94, 241, 0.3);
    color: #c4b5fd;
}

.lab-badge-type {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-3);
}


.lab-arrow {
    color: var(--text-3);
    flex-shrink: 0;
    transition: color var(--transition), transform var(--transition);
}

.lab-link:hover .lab-arrow {
    color: var(--red);
    transform: translateX(2px);
}

/* Category footer */
.category-footer {
    padding-top: 4px;
    border-top: 1px solid var(--border);
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .06em;
    color: var(--text-3);
    text-transform: uppercase;
}

.pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--navy);
    box-shadow: 0 0 0 0 var(--navy-glow);
    animation: pulse-badge 2s ease-out infinite;
}

@keyframes pulse-badge {
    0% {
        box-shadow: 0 0 0 0 var(--navy-glow);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(0, 0, 150, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 0, 150, 0);
    }
}

/* ════════════════════
   FOOTER
   ════════════════════ */
.footer {
    border-top: 1px solid var(--border);
    padding: 28px 24px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: .88rem;
    color: var(--text-2);
}

.footer-logo {
    height: 22px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: opacity(0.7);
}

.footer-copy {
    font-size: .8rem;
    color: var(--text-3);
}

/* ════════════════════
   RESPONSIVE
   ════════════════════ */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ════════════════════════════════════════════════
   AUTH – Navbar
   ════════════════════════════════════════════════ */

/* Pulsante "Accedi" in navbar */
.nav-auth-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, var(--navy) 0%, var(--red) 100%);
    border-radius: 100px;
    padding: 7px 16px;
    transition: transform 200ms ease, box-shadow 200ms ease, filter 200ms ease;
    box-shadow: 0 0 0 0 var(--red-glow);
    white-space: nowrap;
}

.nav-auth-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--red-glow);
    filter: brightness(1.1);
}

/* Area utente autenticato */
.nav-user-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-user-email {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-2);
    font-family: var(--mono);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-logout-btn {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-3);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 5px 12px;
    cursor: pointer;
    font-family: var(--font);
    transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.nav-logout-btn:hover {
    color: var(--text-1);
    border-color: var(--border-h);
    background: rgba(255, 255, 255, 0.05);
}

/* ════════════════════════════════════════════════
   AUTH – Access Banner
   ════════════════════════════════════════════════ */

.access-banner {
    margin-bottom: 28px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    animation: banner-slide-in 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes banner-slide-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.access-banner-inner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(215, 23, 1, 0.07);
    border: 1px solid rgba(215, 23, 1, 0.2);
    border-radius: var(--radius-sm);
    padding: 13px 16px;
    font-size: 0.84rem;
    line-height: 1.6;
    color: var(--text-2);
}

.access-banner-inner svg {
    color: var(--red);
    flex-shrink: 0;
    margin-top: 2px;
}

.access-banner-inner a {
    color: var(--red);
    font-weight: 700;
    text-decoration: none;
    transition: opacity 150ms ease;
}

.access-banner-inner a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.access-banner-inner strong {
    color: var(--text-1);
}

/* ════════════════════════════════════════════════
   AUTH – Lab Links Locked State
   ════════════════════════════════════════════════ */

/* Quando il lab link è bloccato (aggiunto da JS) */
.lab-link[data-locked] {
    opacity: 0.38;
    cursor: pointer; /* rimane pointer per indicare che è cliccabile */
    filter: grayscale(0.4);
}

.lab-link[data-locked]:hover {
    /* Mostra lo stesso stile hover ma sbiadito */
    background: rgba(215, 23, 1, 0.04);
    border-color: rgba(215, 23, 1, 0.12);
    transform: translateX(3px);
}

/* Icona lucchetto sovrapposta al numero lab quando bloccato */
.lab-link[data-locked] .lab-number {
    background: rgba(90, 90, 122, 0.15);
    border-color: rgba(90, 90, 122, 0.2);
    color: var(--text-3);
}

/* Sostituisce visivamente la freccia con un lucchetto tramite CSS */
.lab-link[data-locked] .lab-arrow {
    color: var(--text-3);
}

/* Tooltip "Accedi per iniziare" al hover sui lab bloccati */
.lab-link[data-locked]::before {
    content: '🔒 Accedi per iniziare';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-3);
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
    white-space: nowrap;
}

.lab-link[data-locked]:hover::before {
    opacity: 1;
}

/* Nasconde la freccia quando è bloccato e c'è il tooltip */
.lab-link[data-locked]:hover .lab-arrow {
    opacity: 0;
}

/* ── Category Themes (CSP Safe Cascading Variables) ── */
.cat-red {
    --cat-color: var(--red);
}

.cat-navy {
    --cat-color: var(--navy);
}

/* ── Scroll Animations (CSP Safe) ── */
.fade-target.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ── Consecutive section spacing adjustment ── */
.labs-section + .labs-section {
    padding-top: 0px;
}

/* ── Greyed out modules styling (unpurchased but clickable) ── */
.category-greyed {
    opacity: 0.65;
    filter: grayscale(0.2);
    transition: opacity var(--transition), filter var(--transition), border-color var(--transition), transform var(--transition);
}

.category-greyed:hover {
    opacity: 0.85;
    filter: grayscale(0);
}