/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition-smooth);
    height: 100px;
}

.site-header.scrolled {
    height: 85px;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo */
.logo { display: flex; flex-direction: column; text-decoration: none; }

.logo-bold {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
}

.logo-sub {
    font-size: 10px;
    color: var(--teal);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.logo-brand-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.logo-img { height: 72px; width: auto; border-radius: var(--radius-sm); }

.logo-text-box { display: flex; flex-direction: column; }

/* Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    cursor: pointer;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 20px;
}

.nav-menu a.nav-link {
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 0;
    position: relative;
    white-space: nowrap;
}

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

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

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

/* Nav CTA Button */
.btn-primary-nav {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 8px 18px;
    font-size: 14px;
    border-radius: 6px;
}

.btn-primary-nav:hover {
    background-color: var(--primary-hover);
    transform: scale(1.03);
}