/* ============================================================
   HEADER
   ============================================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: background-color var(--transition);
}

.site-header.scrolled {
    background-color: rgba(26, 26, 26, 0.95);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    min-height: 70px;
}

/* Logo */
.site-header__logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.site-header__logo-img {
    height: 50px;
    width: auto;
}

.site-header__logo-text {
    font-family: var(--font-primary);
    font-size: 22px;
    color: var(--color-white);
    letter-spacing: 0.1em;
}

/* Phone */
.site-header__phone {
    font-family: var(--font-primary);
    font-size: 16px;
    color: var(--color-white);
    letter-spacing: 0.05em;
    margin-left: auto;
    transition: color var(--transition);
}

.site-header__phone:hover {
    color: var(--color-gold);
}

.site-header__phone-placeholder {
    width: 120px;
}

/* Burger toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    width: 32px;
}

.menu-toggle__bar {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-white);
    transition: transform var(--transition), opacity var(--transition);
}

.menu-open .menu-toggle .menu-toggle__bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.menu-open .menu-toggle .menu-toggle__bar:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-toggle .menu-toggle__bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 100vh;
    background-color: var(--color-dark);
    z-index: 2000;
    padding: 80px 40px 40px;
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    overflow-y: auto;
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav__close {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 28px;
    color: var(--color-white);
    line-height: 1;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav__list li a {
    display: block;
    font-family: var(--font-primary);
    font-size: 20px;
    color: var(--color-white);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color var(--transition);
}

.mobile-nav__list li a:hover {
    color: var(--color-gold);
}

.mobile-nav__phone {
    display: block;
    margin-top: 32px;
    font-family: var(--font-primary);
    font-size: 18px;
    color: var(--color-gold);
}

/* Dark overlay behind mobile menu */
.menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.menu-overlay.is-visible {
    opacity: 1;
    pointer-events: all;
}

/* Offset page content below fixed header */
body {
    padding-top: 70px;
}

@media (max-width: 768px) {
    .site-header__inner {
        padding: 16px 20px;
    }

    .site-header__phone {
        font-size: 14px;
    }
}