/* ===== BASE & RESET ===== */
*, *::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: #1B4332;
    color: #FDFCF8;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }

    .stat-card {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .stat-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .stat-card:nth-child(1) { transition-delay: 0.1s; }
    .stat-card:nth-child(2) { transition-delay: 0.25s; }
    .stat-card:nth-child(3) { transition-delay: 0.4s; }
    .stat-card:nth-child(4) { transition-delay: 0.55s; }
}

/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal, .stat-card {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

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

#site-header.scrolled {
    background: rgba(253, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(27, 67, 50, 0.08);
}

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

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

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

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

.mobile-link {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.5s ease, box-shadow 0.5s ease;
    }

    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SELECT STYLING ===== */
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='%231B4332' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
    outline: 2px solid #D4A843;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #FAF8F2;
}

::-webkit-scrollbar-thumb {
    background: #1B4332;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2d4a2d;
}