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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #f5f0f7;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a0e1a;
}

::-webkit-scrollbar-thumb {
    background: #4f284f;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #643163;
}

/* Scroll animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .gallery-item {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.5s ease, background 0.5s ease;
    }

    .service-card.reveal,
    .gallery-item.reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .service-card.reveal.visible,
    .gallery-item.reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* Hero animation */
    .hero-tag,
    h1,
    p.lead,
    .hero-cta,
    .hero-stats {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .hero-tag.reveal,
    h1.reveal,
    p.lead.reveal,
    .hero-cta.reveal,
    .hero-stats.reveal {
        opacity: 0;
        transform: translateY(20px);
    }

    .hero-tag.reveal.visible,
    h1.reveal.visible,
    p.lead.reveal.visible,
    .hero-cta.reveal.visible,
    .hero-stats.reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* Scroll dot animation */
    @keyframes scrollDot {
        0% { top: -12px; opacity: 0; }
        20% { opacity: 1; }
        80% { opacity: 1; }
        100% { top: 100%; opacity: 0; }
    }

    .animate-scroll-dot {
        animation: scrollDot 1.8s ease-in-out infinite;
    }

    /* Navbar entrance */
    #navbar {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.5s ease, transform 0.5s ease, background-color 0.4s ease, box-shadow 0.4s ease;
    }

    #navbar.scrolled {
        background: rgba(26, 14, 26, 0.95);
        backdrop-filter: blur(20px);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    }
}

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

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

/* Mobile menu links */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-link.reveal {
    opacity: 0;
    transform: translateY(15px);
}

.mobile-link.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hamburger animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239b679d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid rgba(251, 191, 36, 0.5);
    outline-offset: 2px;
}

/* Subtle shimmer on amber elements */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .font-serif.text-5xl {
        font-size: 2.5rem;
    }

    .font-serif.text-4xl {
        font-size: 2rem;
    }
}