/* GENPROSYS — shared header, nav, mobile drawer, footer, cookie consent */
:root {
    --brand: #0a0f1a;
    --brand-mid: #141c2e;
    --bg: #0c1222;
    --bg-card: #141c2e;
    --accent: #0ea5e9;
    --accent-light: #38bdf8;
    --text: #f1f5f9;
    --text-body: #e2e8f0;
    --text-muted: #cbd5e1;
    --white: #ffffff;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
}

/* Layout containers */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 840px; margin: 0 auto; padding: 0 1.5rem; }

/* Shared button styling (black + white border) */
.btn,
a.cta,
button.form-submit,
button.btn-pay,
a.btn-companies-house,
.cookie-consent-box .btn-accept {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #000;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9375rem;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.btn:hover,
a.cta:hover,
button.form-submit:hover,
button.btn-pay:hover,
a.btn-companies-house:hover,
.cookie-consent-box .btn-accept:hover {
    border-color: #fff;
    opacity: 0.92;
    transform: translateY(-1px);
    text-decoration: none;
}
.btn:disabled,
button.form-submit:disabled,
button.btn-pay:disabled,
.cookie-consent-box .btn-accept:disabled {
    opacity: 0.55;
    transform: none;
    cursor: not-allowed;
}

/* Header bar only — overlay & nav-mobile are siblings after it in DOM */
.header {
    background: rgba(0, 0, 0, 0.96);
    border-bottom: 1px solid var(--border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: 0.1em; color: var(--white); }
.logo a { color: inherit; text-decoration: none; }
.logo a:hover { text-decoration: none; opacity: 0.9; }

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav a { color: var(--text-body); font-weight: 500; font-size: 1rem; padding: 0.5rem 0.75rem; border-radius: var(--radius-sm); transition: color 0.2s ease, background 0.2s ease; }
.nav a:hover { color: var(--white); background: rgba(255, 255, 255, 0.06); text-decoration: none; }
.nav-item-dropdown { position: relative; }
.nav-item-dropdown .trigger {
    display: flex; align-items: center; gap: 0.35rem;
    color: var(--text-muted); font-weight: 500; font-size: 0.9375rem; padding: 0.5rem 0.75rem;
    border: none; background: transparent; cursor: pointer; font-family: inherit; border-radius: var(--radius-sm);
}
.nav-item-dropdown .trigger:hover { color: var(--white); background: rgba(255, 255, 255, 0.06); }
.nav-item-dropdown .trigger svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.nav-item-dropdown.is-open .trigger svg { transform: rotate(180deg); }
.dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 200px; margin-top: 0.25rem;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 0.5rem 0; opacity: 0; visibility: hidden; transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease; z-index: 50;
}
.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown.is-open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 0.6rem 1rem; color: var(--text-body); font-size: 1rem; }
.dropdown-menu a:hover { color: var(--white); background: rgba(255, 255, 255, 0.06); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; border: none; background: transparent; cursor: pointer; color: var(--text); }
.hamburger span { display: block; width: 22px; height: 2px; background: currentColor; border-radius: 1px; }

.nav-mobile, .overlay { display: none; }
@media (max-width: 768px) {
    .nav-desktop { display: none; }
    .hamburger { display: flex; }
    body.nav-open { overflow: hidden; }
    .nav-mobile {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        width: min(280px, 85vw);
        max-width: 85vw;
        max-height: 100vh;
        max-height: 100dvh;
        min-height: 0;
        background: var(--bg-card);
        border-left: 1px solid var(--border);
        padding: 3.25rem 1.5rem 1.5rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1002;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .nav-mobile.is-open { transform: translateX(0); }
    .nav-mobile .nav-close {
        position: absolute;
        top: 0.75rem;
        right: 0.75rem;
        width: 2.5rem;
        height: 2.5rem;
        padding: 0;
        border: none;
        background: rgba(255,255,255,0.08);
        color: var(--text);
        cursor: pointer;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
    }
    .nav-mobile .nav-close:hover { background: rgba(255,255,255,0.12); }
    .nav-mobile .nav-close svg { width: 20px; height: 20px; }
    .nav-mobile .nav-link { display: block; padding: 0.75rem 0; color: var(--text); border-bottom: 1px solid var(--border); word-wrap: break-word; overflow-wrap: break-word; }
    .nav-mobile .nav-item-dropdown .trigger { width: 100%; justify-content: space-between; padding: 0.75rem 0; border: none; border-bottom: 1px solid var(--border); border-radius: 0; background: none; color: var(--text); text-align: left; }
    .nav-mobile .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; margin: 0; padding: 0 0 0 1rem; border: none; box-shadow: none; background: transparent; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
    .nav-mobile .nav-item-dropdown.is-open .dropdown-menu { max-height: 220px; }
    .nav-mobile .dropdown-menu a { padding: 0.6rem 0; border: none; }
    .overlay {
        display: none;
        position: fixed;
        inset: 0;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1001;
        cursor: pointer;
    }
    .overlay.is-open { display: block; pointer-events: auto; }
}

/* Footer */
.footer {
    background: #000;
    color: rgba(255, 255, 255, 0.78);
    padding: 3rem 0 2rem;
}
.footer .container { position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-bottom: 2.5rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); margin: 0 0 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: var(--text-body); font-size: 1rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.1); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; }
.footer-logo { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.08em; color: var(--white); }
.footer-bottom small { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.55); }

/* Cookie consent */
.cookie-consent-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 1.5rem; opacity: 1; visibility: visible; transition: opacity 0.3s ease, visibility 0.3s ease; }
.cookie-consent-overlay.cookie-consent--hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.cookie-consent-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; max-width: 440px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.cookie-consent-box h3 { margin: 0 0 0.75rem; font-size: 1.25rem; color: var(--white); }
.cookie-consent-box p { margin: 0 0 1.25rem; color: var(--text-body); font-size: 1.0625rem; line-height: 1.7; }
.cookie-consent-box a { color: var(--accent); }
.cookie-consent-box .btn-accept { /* styled above */ }