/* =========================================================
   Header component
   ========================================================= */
.site-header {
    background-color: var(--site-bg);
    border-bottom: 1px solid var(--header-border);
    width: 100%;
    position: sticky; top: 0;
    z-index: var(--z-header);
}
.header-container {
    display: flex; justify-content: space-between; align-items: center;
    gap: 16px;
    width: var(--container-width); max-width: var(--container-max);
    margin: 0 auto; padding: 12px 0;
}

/* --- Branding (left) --- */
.site-branding { display: flex; align-items: center; text-decoration: none; gap: 14px; }
.site-logo { height: 64px; width: auto; }
.site-title { font-family: var(--font-display); color: #333; line-height: 1.15; }
.site-title h1 { font-size: 1.2rem; margin: 0; font-weight: 700; letter-spacing: 0.02em; }
.site-title h2 { font-size: 1.05rem; margin: 0; font-weight: 400; color: var(--primary-brown); }

/* --- Navigation (right) --- */
.main-navigation { display: flex; align-items: center; gap: 22px; }
.nav-links { list-style: none; display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; }

.nav-link {
    text-decoration: none;
    color: var(--accent-tan);
    font-family: var(--font-body);
    font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    transition: var(--hover-transition);
}
.nav-link::after {
    content: ""; position: absolute; left: 0; bottom: -6px;
    width: 0; height: 2px; background: var(--primary-brown);
    transition: width 0.3s var(--ease-out);
}
.nav-link:hover { color: var(--primary-brown); }
.nav-link:hover::after { width: 100%; }

/* --- Language flags --- */
.language-selector { display: flex; align-items: center; }
.lang-flags {
    display: flex; align-items: center; gap: 10px;
    padding-left: 18px; border-left: 1px solid var(--border-color);
}
.flag-icon {
    width: 26px; height: 19px; padding: 0;
    border: 1px solid rgba(0,0,0,0.08); border-radius: 3px;
    background-color: transparent; background-size: cover; background-position: center;
    cursor: pointer; opacity: 0.55;
    transition: var(--hover-transition);
}
.flag-icon:hover { opacity: 1; transform: scale(1.12); }
.flag-icon.active { opacity: 1; box-shadow: 0 0 0 2px var(--accent-gold); }
.flag-icon[aria-busy="true"] { opacity: 0.4; cursor: progress; }
.flag-usa   { background-image: url('../img/flags/usa.svg'); }
.flag-spain { background-image: url('../img/flags/spain.svg'); }

/* --- MENU button --- */
.menu-button {
    background-color: var(--dark-navy); color: #fff;
    border: none; border-radius: 4px; padding: 11px 18px;
    font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
    letter-spacing: 0.05em; cursor: pointer;
    display: inline-flex; align-items: center; gap: 12px;
    transition: var(--hover-transition);
}
.menu-button:hover { background-color: var(--primary-brown); }
.menu-text { line-height: 1; }

.hamburger { width: 22px; height: 16px; position: relative; flex: none; }
.hamburger span {
    display: block; position: absolute; height: 2px; width: 100%;
    background: #fff; border-radius: 2px; left: 0;
    transition: transform 0.3s var(--ease-out), opacity 0.2s ease, top 0.3s var(--ease-out);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 7px; }
.hamburger span:nth-child(3) { top: 14px; }
.menu-button.active .hamburger span:nth-child(1) { top: 7px; transform: rotate(45deg); }
.menu-button.active .hamburger span:nth-child(2) { opacity: 0; }
.menu-button.active .hamburger span:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* =========================================================
   Cascade menu — right-side panel with staggered reveal
   ========================================================= */
.menu-scrim {
    position: fixed; inset: 0;
    background: var(--scrim);
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease-out), visibility 0.4s var(--ease-out);
    z-index: var(--z-scrim);
}
.menu-scrim.active { opacity: 1; visibility: visible; }

.cascade-menu {
    position: fixed;
    top: 0; right: 0;
    width: min(var(--menu-panel-width), 86vw);
    max-height: 100vh; overflow-y: auto;
    background: linear-gradient(165deg, var(--dark-navy), var(--dark-navy-soft));
    color: #fff;
    z-index: var(--z-menu);
    padding: 28px 26px 36px;
    box-shadow: -12px 0 40px rgba(0,0,0,0.28);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-out);
    border-left: 3px solid var(--accent-gold);
}
.cascade-menu.active { transform: translateX(0); }

.cascade-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 18px; margin-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.cascade-header .eyebrow {
    font-family: var(--font-display); font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-gold);
}
.cascade-close {
    background: none; border: none; color: rgba(255,255,255,0.7);
    font-size: 1.8rem; line-height: 1; cursor: pointer; padding: 0 4px;
    transition: var(--hover-transition);
}
.cascade-close:hover { color: #fff; transform: rotate(90deg); }

.cascade-group { margin: 0 0 6px; padding: 0; list-style: none; }
.cascade-group .group-label {
    display: block; font-family: var(--font-display);
    font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent-tan); margin: 18px 0 6px;
}

/* Each item starts shifted + transparent; opens in a staggered cascade */
.cascade-item {
    opacity: 0; transform: translateY(-12px);
    transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.cascade-menu.active .cascade-item { opacity: 1; transform: translateY(0); }
/* Staggered delays — the "cascade" feel */
.cascade-menu.active .cascade-item:nth-child(1) { transition-delay: 0.10s; }
.cascade-menu.active .cascade-item:nth-child(2) { transition-delay: 0.16s; }
.cascade-menu.active .cascade-item:nth-child(3) { transition-delay: 0.22s; }
.cascade-menu.active .cascade-item:nth-child(4) { transition-delay: 0.28s; }
.cascade-menu.active .cascade-item:nth-child(5) { transition-delay: 0.34s; }
.cascade-menu.active .cascade-item:nth-child(6) { transition-delay: 0.40s; }

.cascade-item a {
    display: flex; align-items: center; justify-content: space-between;
    text-decoration: none; color: #fff;
    font-family: var(--font-display); font-size: 1.02rem; font-weight: 500;
    padding: 13px 6px; border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: var(--hover-transition);
}
.cascade-item a::after {
    content: "→"; opacity: 0; transform: translateX(-8px);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
    color: var(--accent-gold);
}
.cascade-item a:hover { color: var(--accent-gold); padding-left: 14px; }
.cascade-item a:hover::after { opacity: 1; transform: translateX(0); }

/* "Get involved" quick links — only surfaced inside the panel on mobile */
.cascade-mobile-only { display: none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 991px) {
    .site-logo { height: 52px; }
    .site-title h1 { font-size: 1rem; }
    .site-title h2 { font-size: 0.9rem; }
    /* Quick text links collapse into the cascade panel */
    .nav-links .quick-link { display: none; }
    .main-navigation { gap: 14px; }
    .lang-flags { padding-left: 14px; }
    .cascade-mobile-only { display: block; }
}

@media (max-width: 560px) {
    .header-container { width: 92%; gap: 10px; }
    .site-title { display: none; }            /* keep just the crest on small phones */
    .site-logo { height: 46px; }
    .menu-button { padding: 10px 14px; font-size: 0.85rem; }
    .menu-text { display: none; }              /* hamburger-only on tight widths */
    .menu-button { gap: 0; }
    .flag-icon { width: 24px; height: 17px; }
}