/* ── Base & Typography ── */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-serif {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-sans {
    font-family: 'Inter', system-ui, sans-serif;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(250, 248, 244, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(10, 22, 40, 0.08);
}

.nav-logo-text {
    transition: color 0.3s ease;
}

#navbar.scrolled .nav-logo-text {
    color: #0a1628;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled .nav-link {
    color: #0f2140;
}

#navbar.scrolled .nav-link:hover {
    color: #c9a84c;
}

#navbar.scrolled .nav-link::after {
    background: #c9a84c;
}

/* ── Mobile Menu ── */
.mobile-menu-link {
    position: relative;
}

.mobile-menu-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

.mobile-menu-link:hover::after {
    width: 100%;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-line {
    display: block;
}

.mobile-menu-btn.active .mobile-menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-btn.active .mobile-menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .mobile-menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.25rem;
}

/* ── Menu Tabs ── */
.menu-tab {
    background: transparent;
    border: 1.5px solid rgba(201, 168, 76, 0.3);
    color: rgba(250, 248, 244, 0.6);
    cursor: pointer;
}

.menu-tab:hover {
    border-color: rgba(201, 168, 76, 0.6);
    color: rgba(250, 248, 244, 0.9);
}

.menu-tab.active {
    background: #c9a84c;
    border-color: #c9a84c;
    color: #0a1628;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Utility ── */
@media (max-width: 767px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}

/* ── Selection ── */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #0a1628;
}