/* ===== 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(201, 168, 76, 0.3);
    color: #e8d5a0;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .scroll-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);
    }

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

    /* Hero animations */
    .hero-content {
        animation: heroFadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    }

    .hero-image {
        animation: heroImageIn 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
    }

    @keyframes heroFadeIn {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }

    @keyframes heroImageIn {
        from { opacity: 0; transform: translateX(30px) scale(0.97); }
        to { opacity: 1; transform: translateX(0) scale(1); }
    }
}

/* Default visible state for scroll-reveal (no-JS fallback) */
.scroll-reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
}

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

#navbar.scrolled {
    background: rgba(6, 13, 20, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.08), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: mobileMenuIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes mobileMenuIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Gold Divider Accents ===== */
.gold-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.4), transparent);
}

/* ===== Button Focus Styles ===== */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #060d14;
}

::-webkit-scrollbar-thumb {
    background: #1a2432;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #243040;
}

/* ===== Input Autofill Override ===== */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus {
    -webkit-text-fill-color: #e8ecef;
    -webkit-box-shadow: 0 0 0px 1000px #0a1520 inset;
    transition: background-color 5000s ease-in-out 0.5s;
}

/* ===== Select Dropdown ===== */
select option {
    background: #0a1520;
    color: #e8ecef;
}

/* ===== Image Loading ===== */
img {
    display: block;
    max-width: 100%;
}

/* ===== Smooth transitions for all interactive elements ===== */
button, a, input, select, textarea {
    transition: all 0.2s ease;
}

/* ===== Selection highlight ===== */
.highlight-teal {
    color: #1a7a8a;
}

.highlight-gold {
    color: #c9a84c;
}

/* ===== Subtle pulse for CTA ===== */
@keyframes subtlePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(201, 168, 76, 0.2); }
    50% { box-shadow: 0 0 20px 4px rgba(201, 168, 76, 0.15); }
}

.cta-pulse:hover {
    animation: subtlePulse 2s ease-in-out infinite;
}

/* ===== Card hover tilt effect ===== */
.service-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card:hover {
    transform: translateY(-4px);
}