/* =============================================================================
   Rezidence 3 Dvory - header-footer.css
   =============================================================================
   Sdilene CSS pro header, navigaci a footer.

   Linkovat ve <head> ZA 'base.css' a PRED 'style.css':

       <link rel="stylesheet" href="assets/css/base.css">
       <link rel="stylesheet" href="assets/css/header-footer.css">
       <link rel="stylesheet" href="style.css">

   Pridano 2026-05-02 (Faze 6: extrakce sdileneho CSS, Stupen 2).
   ============================================================================= */


/* Header ------------------------------------------------------------------ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* Opt-in: stránky s velkým hero obrázkem (např. homepage) si můžou
   přidat na <body> třídu .has-hero pro průhlednost top → bílý při scrollu. */
body.has-hero .header {
    background-color: transparent;
    box-shadow: none;
    padding: 20px 0;
}

body.has-hero .header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 16px 0;
}

/* Backward-compat: pokud někdo už má .header.scrolled jinde */
.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 16px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2em;
}

/* On building/floor pages an extra .header-container wraps logo+nav+toggle.
   Make it span the full width so flex layout (space-between) works. */
.header .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2em;
    width: 100%;
}


/* Logo -------------------------------------------------------------------- */

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: #FFFFFF;
    text-decoration: none;
    transition: var(--transition);
}

.header.scrolled .logo { color: var(--color-text-primary); }

.logo span { color: var(--color-primary); }


/* Navigation -------------------------------------------------------------- */

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    flex-wrap: nowrap;
}

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.header.scrolled .nav-links a { color: var(--color-text-secondary); }

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-links a:hover,
.nav-links a.active { color: var(--color-primary); }

.nav-cta,
.header .btn {
    display: inline-flex;
    padding: 12px 24px;
    white-space: nowrap;
}


/* Cloned overlay logo — hidden by default, shown only in active mobile overlay */
.nav-overlay-logo { display: none; }


/* Menu Toggle (mobile) ---------------------------------------------------- */

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 7px;
    cursor: pointer;
    z-index: 1101;
    width: 44px;
    height: 40px;
    justify-content: center;
    align-items: center;
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 6px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.menu-toggle:hover {
    background-color: var(--color-primary);
}

.menu-toggle:hover span {
    background-color: #FFFFFF;
}

.menu-toggle:active {
    transform: scale(0.95);
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--color-text-primary);
    transition: transform 0.3s ease, opacity 0.2s ease, background-color 0.2s ease;
    display: block;
    border-radius: 2px;
}

/* Na stránkách s průhledným hero headerem — bílá čárky */
body.has-hero .header:not(.scrolled) .menu-toggle span { background-color: #FFFFFF; }
.header.scrolled .menu-toggle span { background-color: var(--color-text-primary); }

/* Hamburger -> X animation when menu is open (gap 7 + halfspan 1.5 = 8.5; using 10px for slight overshoot) */
.menu-toggle.active span { background-color: var(--color-text-primary); }
.menu-toggle.active span:nth-child(1) { transform: translate(0, 10px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translate(0, -10px) rotate(-45deg); }


/* Footer ------------------------------------------------------------------ */

/* --- CTA section (above main footer) --- */
.footer-cta {
    background-color: var(--color-footer-cta);
    padding: 2em 0;
    color: #FFFFFF;
}

.footer-cta .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1em;
}

.footer-cta h3 {
    font-family: var(--font-body);
    font-size: clamp(1.25rem, 3vw, 2.2rem);
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
}

.footer-cta h3 u {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.footer-cta .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.25rem;
    background-color: #B15536;
    color: #FFFFFF;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.footer-cta .btn-primary:hover {
    background-color: #B15536;
}

.footer-cta .btn-primary:visited {
    color: #FFFFFF;
}


/* --- Main footer --- */
.footer-main {
    background-color: var(--color-footer);
    color: #FFFFFF;
    padding: 5em 0;
}

.footer-main .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.25fr 1.75fr;
    gap: 3em;
    align-items: start;
}

/* Brand column */
.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.6em;
}

.footer-logo-link {
    display: block;
    padding-bottom: 0.5em;
}

.footer-logo-img {
    height: 68px;
    width: 200px;
    display: block;
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    line-height: 1.7;
}

.footer-brand-svg {
    display: block;
    max-width: 192px;
    height: auto;
}

.footer-brand-svg path {
    fill: #EAE3E2;
}

/* Contact column */
.footer-contact-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}

.footer-contact-list li {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-size: 0.95rem;
}

.footer-address {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 1em 0 0;
    line-height: 1.6;
}

/* Sitemap column */
.footer-sitemap {
    display: flex;
    flex-direction: column;
}

.footer-sitemap .footer-links:nth-child(3) {
    padding-top: 1em;
}

/* Shared elements */
.footer-title {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5em;
    color: #FFFFFF;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li { margin-bottom: 0.25em; }

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-size: 0.95rem;
    transition: var(--transition);
    line-height: 2em;
}

.footer-links a:hover { color: var(--color-primary); }

/* Social icons */
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 1em;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-social-border);
    border-radius: 8px;
    transition: var(--transition);
    color: var(--color-primary);
}

.footer-social a:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.footer-social a:hover svg {
    color: var(--color-social-border);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    color: var(--color-primary);
    transition: var(--transition);
}

.footer-social a:hover svg {
    color: var(--color-social-border);
}

/* Bottom bar */
.footer-bottom {
    background-color: var(--color-footer-bottom);
    padding: 0.5em 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}


/* --- Responsive --- */

/* Mobile header: hide desktop nav, show hamburger + fullscreen overlay */
@media (max-width: 1024px) {
    .menu-toggle {
        display: flex;
        order: 3;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: #EAE3E2;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2em;
        padding: 6em 2em 3em;
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.25s ease, visibility 0.25s;
        z-index: 1080;
        overflow-y: auto;
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    /* Cloned logo inside overlay — centered, displayed only when overlay is open */
    .nav.active .nav-overlay-logo {
        display: block;
        margin-bottom: 1.5em;
    }
    .nav-overlay-logo img {
        height: 64px !important;
        width: auto;
        display: block;
    }

    .nav-links {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        gap: 1.5em;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-links a,
    .header.scrolled .nav-links a {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--color-text-primary, #002B3C);
    }

    .nav-links a::after { display: none; }

    .nav-cta {
        margin-top: 1em;
        padding: 0.9rem 2.25rem;
        background-color: #B15536;
        color: #FFFFFF;
        font-weight: 600;
        border-radius: 8px;
        text-decoration: none;
    }
    .nav-cta:hover { background-color: #B15536; color: #FFFFFF; }

    /* Lock body scroll when menu is open */
    body.menu-open { overflow: hidden; }
}

/* Footer responsive */
@media (max-width: 768px) {
    .footer-main .footer-grid {
        grid-template-columns: 1fr;
        gap: 2em;
    }

    .footer-cta .container {
        flex-direction: column;
        text-align: center;
    }
}
