/* =========================================================
   HEADER.CSS — Site header, navigation, mobile menu
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, var(--pn-header-bg) 0%, var(--pn-header-bg-end) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--pn-transition), box-shadow var(--pn-transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 30px rgba(0,0,0,0.35);
}

.site-header.header-transparent {
    background: transparent;
}

.site-header.header-transparent.scrolled {
    background: linear-gradient(180deg, var(--pn-header-bg) 0%, var(--pn-header-bg-end) 100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--pn-container);
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    gap: 20px;
}

/* --- Branding / Logo --- */
.site-branding { flex-shrink: 0; }

.site-logo-link {
    display: flex;
    align-items: center;
}

.site-logo {
    max-height: 100px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.site-logo:hover {
    transform: scale(1.05);
}

.custom-logo-link img { max-height: 55px; width: auto; }

/* --- Navigation --- */
.main-navigation { flex: 1; display: flex; justify-content: center; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-menu li { position: relative; }

.nav-menu > li > a {
    display: block;
    padding: 10px 14px;
    font-family: var(--pn-body-font);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--pn-transition);
    letter-spacing: 0.01em;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

/* Dropdown */
.nav-menu li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 6px;
    transition: transform var(--pn-transition);
}

.nav-menu li.menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
}

.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    min-width: 220px;
    border-radius: 12px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s ease;
    padding: 8px;
    z-index: 100;
    border: 1px solid rgba(0,0,0,0.05);
}

.nav-menu li.menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    top: 100%;
}

.nav-menu .sub-menu li a {
    display: block;
    padding: 10px 16px;
    color: var(--pn-heading);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--pn-transition);
}

.nav-menu .sub-menu li a:hover {
    background: var(--pn-light-green);
    color: var(--pn-primary);
}

/* --- Header Actions --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Social Icons */
.header-social {
    display: flex;
    align-items: center;
    gap: 6px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.08);
    transition: all var(--pn-transition);
    text-decoration: none;
}

.social-icon:hover {
    color: #fff;
    background: var(--pn-primary);
    transform: translateY(-2px);
}

.social-icon svg { width: 16px; height: 16px; }

/* Header Buttons */
.btn-header {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    border-radius: 50px;
    font-family: var(--pn-button-font);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--pn-transition);
    white-space: nowrap;
}

.btn-call {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-call:hover {
    background: #fff;
    color: var(--pn-heading);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
    border: 1px solid #25D366;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    color: #fff;
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    transition: all var(--pn-transition);
}

.hamburger:hover { background: rgba(255,255,255,0.2); }

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--pn-transition);
}

.hamburger.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile Menu Overlay --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(380px, 90vw);
    background: linear-gradient(180deg, var(--pn-header-bg) 0%, var(--pn-header-bg-end) 100%);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu-overlay.open {
    transform: translateX(0);
    box-shadow: -10px 0 60px rgba(0,0,0,0.4);
}

body.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1050;
    backdrop-filter: blur(3px);
}

.mobile-menu-inner { padding: 24px; }

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.mobile-close {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--pn-transition);
}
.mobile-close:hover { background: rgba(255,255,255,0.2); }

.mobile-logo { padding: 0; }

.mobile-nav-menu,
.mobile-menu-overlay .nav-menu { 
    list-style: none;
    display: flex;
    flex-direction: column;
}

.mobile-nav-menu li a,
.mobile-menu-overlay .nav-menu li a {
    display: block;
    padding: 18px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--pn-transition);
    letter-spacing: 0.01em;
}

.mobile-nav-menu li a:hover,
.mobile-menu-overlay .nav-menu li a:hover,
.mobile-nav-menu li.current-menu-item a,
.mobile-menu-overlay .nav-menu li.current-menu-item a { color: #fff; }

.mobile-nav-menu .sub-menu,
.mobile-menu-overlay .nav-menu .sub-menu { 
    padding-left: 16px; 
    display: flex;
    flex-direction: column;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
}

.mobile-actions .btn-header { justify-content: center; width: 100%; padding: 12px; }

.mobile-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.mobile-legal-links {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.mobile-legal-links a {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.mobile-legal-links a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Body offset for fixed header */
.site-content { margin-top: 80px; }
.front-page .site-content { margin-top: 0; }
.front-page .pn-hero { padding-top: 80px; }