/* ── Reset & Base ─────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

::selection {
    background: color-mix(in srgb, #6B3A5D 30%, transparent);
    color: #2A1723;
}

/* ── Scroll Reveal (progressive enhancement) ──────────── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* ── Hero Animations ──────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
    }
    
    .hero-line {
        display: inline-block;
        animation: slideUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
    }
    
    .hero-line:nth-child(1) { animation-delay: 0.3s; }
    .hero-line:nth-child(2) { animation-delay: 0.45s; }
    .hero-line:nth-child(3) { animation-delay: 0.6s; }
    
    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(16px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes slideUp {
        from {
            opacity: 0;
            transform: translateY(100%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(107, 58, 93, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: color-mix(in srgb, #D4A84B 80%, transparent);
    transition: width 0.3s ease;
}

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

/* ── Mobile Menu ──────────────────────────────────────── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

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

.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 24px;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

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