/* ===== 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;
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #1E3A6E;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C9A227;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(4, 11, 24, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

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

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ===== Service Cards ===== */
.service-card {
    background: linear-gradient(135deg, rgba(15, 33, 64, 0.5) 0%, rgba(10, 22, 40, 0.8) 100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    background: linear-gradient(135deg, rgba(15, 33, 64, 0.8) 0%, rgba(10, 22, 40, 0.9) 100%);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(201, 162, 39, 0.05);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card:hover {
    background: rgba(15, 33, 64, 0.6);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* ===== Selection ===== */
::selection {
    background: rgba(201, 162, 39, 0.3);
    color: #fff;
}

/* ===== Input Autofill ===== */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #040B18 inset !important;
    -webkit-text-fill-color: #fff !important;
    caret-color: #fff;
}

/* ===== Focus visible ===== */
*:focus-visible {
    outline: 2px solid #C9A227;
    outline-offset: 2px;
}

/* ===== Mobile responsive ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}