/* ============================================================
   AUREA Design & Estate — Navigation & Footer
   Split from style-v10.css — 2026-03-18
   ============================================================ */

/* --- Navigation --- */
nav {
    position: fixed;
    --nav-safe-top: env(safe-area-inset-top, 0px);
    top: 0; left: 0; right: 0;
    z-index: 1060;
    height: calc(var(--nav-height) + var(--nav-safe-top));
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--nav-safe-top) 3rem 0;
    transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

nav.scrolled {
    background: rgba(250, 250, 248, 0.92);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.nav-brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.nav-brand-name {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--white);
    transition: color 0.4s;
}

.nav-brand-sub {
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-top: 2px;
    transition: color 0.4s;
}

nav.scrolled .nav-brand-name { color: var(--dark); }
nav.scrolled .nav-brand-sub { color: var(--warm-gray); }

.nav-links {
    display: flex;
    gap: 0.3rem;
    list-style: none;
    align-items: center;
}

.nav-links a, .nav-dropdown-toggle {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--white);
    transition: color 0.4s, opacity 0.3s;
    position: relative;
    padding: 0.4rem 0.5rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s;
}

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

nav.scrolled .nav-links a { color: var(--dark); }
.nav-links a:hover { opacity: 0.65; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1100;
    padding: 12px;
    background: none;
    border: none;
}

.hamburger span {
    width: 22px;
    height: 1.5px;
    background: var(--white);
    transition: background 0.4s, transform 0.3s;
}

nav.scrolled .hamburger span { background: var(--dark); }

/* Hamburger → X animation */
.hamburger.active span { background: var(--dark); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile overlay */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 1050;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.8rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: calc(3rem + env(safe-area-inset-top)) env(safe-area-inset-right) calc(3rem + env(safe-area-inset-bottom)) env(safe-area-inset-left);
}

.mobile-menu.open { display: flex; }

body.aurea-scroll-locked {
    overscroll-behavior: none;
}

.mobile-menu a {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 300;
    color: var(--dark);
    letter-spacing: 0.05em;
}

/* --- Nav Dropdown --- */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; }
.nav-dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    margin-left: 6px;
    margin-bottom: 2px;
    transition: transform 0.3s;
}
.nav-dropdown:hover .nav-dropdown-toggle::after,
.nav-dropdown:focus-within .nav-dropdown-toggle::after {
    transform: rotate(-135deg);
}
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border: 1px solid rgba(184, 168, 138, 0.2);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    min-width: 180px;
    padding: 0.5rem 0;
    z-index: 1000;
    list-style: none;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within > .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li { padding: 0; }
.nav-dropdown-menu a {
    display: block;
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--charcoal);
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}
.nav-dropdown-menu a:hover {
    background: var(--gold-bg);
    color: var(--gold-text);
}

/* Active state when a child page is current */
.nav-dropdown.active > .nav-dropdown-toggle {
    color: var(--gold-dark);
}
nav.scrolled .nav-dropdown.active > .nav-dropdown-toggle {
    color: var(--gold-dark);
}

/* --- Mobile Menu Group (Aurea Life) --- */
.mobile-menu__group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 0;
}
.mobile-menu__label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--warm-gray);
    margin-bottom: 0.2rem;
}
.mobile-menu__sub {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--dark);
    letter-spacing: 0.05em;
}

/* --- Footer --- */
.site-footer {
    background: var(--night);
    color: var(--stone);
    padding: 5rem 3rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 3rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-name {
    font-family: var(--serif);
    font-size: 1.3rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 0.3rem;
}

.footer-brand-sub {
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--warm-gray);
    margin-bottom: 1.2rem;
}

.footer-text {
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--warm-gray);
    max-width: 300px;
}

.footer-col h4 {
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.2rem;
}

.footer-col a {
    display: block;
    font-size: 0.8rem;
    color: var(--warm-gray);
    padding: 0.3rem 0;
    transition: color 0.3s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 1.5rem;
    font-size: 0.72rem;
    color: var(--warm-gray);
}

.footer-language-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--warm-gray);
}

.footer-language-switch a {
    color: var(--warm-gray);
    transition: color 0.25s ease;
}

.footer-language-switch a:hover,
.footer-language-switch a[aria-current="page"] {
    color: var(--gold);
}

.footer-language-sep {
    color: rgba(255,255,255,0.18);
}

/* --- Nav & Footer Responsive --- */
@media (max-width: 1100px) {
    .nav-links a, .nav-dropdown-toggle {
        font-size: 0.72rem;
        padding: 0.3rem 0.4rem;
    }
}

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* #22 fixed: dropdown remains hover-accessible down to 900px where hamburger takes over */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
}

@media (max-width: 768px) {
    nav { padding: var(--nav-safe-top) 1.5rem 0; }
    /* Fix horizontal overflow on footer */
    footer { overflow-x: hidden; }
    .footer-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .footer-col h4 { margin-bottom: 0.6rem; }
    .footer-col a { padding: 0; min-height: 36px; display: flex; align-items: center; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* Touch-device tap-target enlargements — desktop with mouse unaffected.
   Footer link min-height reaches 44px on coarse pointers (phones/tablets).
   Nav links (901-1100px) gain an invisible ::before tap area without moving the
   underline ::after, since the visible link box stays at its existing padding. */
@media (pointer: coarse) {
    .footer-col a { min-height: 44px; }
}

@media (max-width: 1100px) and (pointer: coarse) {
    .nav-links a::before,
    .nav-dropdown-toggle::before {
        content: '';
        position: absolute;
        inset-block: -0.7rem;
        inset-inline: -0.1rem;
    }
}