/**
 * Global site header — matches index.html (light bar, navy/gold accents).
 * Use: <header class="site-header"> … </header> and load this file after page styles.
 */
:root {
    --ss-header-white: #ffffff;
    --ss-header-dark: #1f2a44;
    --ss-header-primary: #003087;
    --ss-header-gold: #c9a227;
    --ss-header-border: #d8dde6;
}

header.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0.85rem 2.5rem;
    background: var(--ss-header-white);
    border-bottom: 1px solid var(--ss-header-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

header.site-header .brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    color: var(--ss-header-dark);
}

header.site-header .brand:visited,
header.site-header .brand:hover,
header.site-header .brand:active {
    color: var(--ss-header-dark);
    text-decoration: none;
}

header.site-header .brand-logo {
    height: 2rem;
    width: auto;
}

header.site-header .brand-logo,
.footer-brand-logo {
    filter: brightness(0) saturate(100%) invert(64%) sepia(44%) saturate(734%) hue-rotate(9deg) brightness(91%) contrast(88%);
}

header.site-header nav {
    display: flex;
    gap: 2rem;
}

header.site-header nav a {
    color: var(--ss-header-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding-bottom: 3px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

header.site-header nav a:hover {
    color: var(--ss-header-primary);
    border-bottom-color: var(--ss-header-gold);
}

header.site-header .auth-buttons {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
    align-items: center;
}

header.site-header .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    padding: 0.5rem 1.1rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
}

header.site-header .btn-outline {
    background: transparent;
    border-color: var(--ss-header-primary);
    color: var(--ss-header-primary);
}

header.site-header .btn-outline:hover {
    background: var(--ss-header-primary);
    color: #fff;
}

header.site-header .btn-solid {
    background: var(--ss-header-primary);
    color: #fff;
    border-color: var(--ss-header-primary);
}

header.site-header .btn-solid:hover {
    background: #002070;
    border-color: #002070;
    box-shadow: 0 4px 12px rgba(0, 48, 135, 0.28);
}

/* Member dashboard — pills on light header */
header.site-header .dash-greeting {
    color: #52525b;
}

header.site-header .btn-pill {
    color: var(--ss-header-dark);
}

header.site-header .btn-pill-outline {
    border-color: var(--ss-header-primary);
    color: var(--ss-header-primary);
}

header.site-header .btn-pill-outline:hover {
    background: var(--ss-header-primary);
    color: #fff;
    border-color: var(--ss-header-primary);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    z-index: 30;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ss-header-dark);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 24;
}

.mobile-nav-overlay.is-open {
    display: block;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 85vw);
    height: 100vh;
    background: var(--ss-header-dark);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    padding: 4.5rem 1.75rem 2rem;
    gap: 0;
    z-index: 25;
    transform: translateX(100%);
    transition: transform 0.28s ease;
}

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

.mobile-nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1.05rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav a:hover {
    color: var(--ss-header-gold);
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.mobile-auth .btn {
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-weight: 600;
    border: 2px solid transparent;
    text-decoration: none;
    transition: all 0.2s ease;
}

.mobile-auth .btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
}

.mobile-auth .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
}

.mobile-auth .btn-solid {
    background: var(--ss-header-primary);
    color: #fff;
    border-color: var(--ss-header-primary);
}

.mobile-auth .btn-solid:hover {
    background: #002070;
    border-color: #002070;
}

@media (max-width: 640px) {
    header.site-header {
        padding-inline: 1.25rem;
    }

    header.site-header nav,
    header.site-header .auth-buttons {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}