/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== SCROLL REVEAL ===== */
/*
 * Progressive enhancement: content is visible by default.
 * JS adds the `.revealed` class when elements enter the viewport.
 * Users with JS disabled see everything immediately.
 */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

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

/* Staggered delays for grid items */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }
.reveal-delay-6 { transition-delay: 0.3s; }

/* ===== NAVIGATION ===== */
#site-header {
    transition: box-shadow 0.3s ease;
}

#site-header.scrolled {
    box-shadow: 0 1px 20px rgba(27, 67, 50, 0.08);
}

/* ===== MOBILE MENU ===== */
.mobile-nav-link {
    display: block;
    border-bottom: 1px solid rgba(27, 67, 50, 0.08);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* ===== FORM STYLES ===== */
input:focus,
textarea:focus {
    outline: none;
}

/* ===== BUTTON HOVER EFFECTS ===== */
a, button {
    transition: all 0.2s ease;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #264a26;
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(27, 67, 50, 0.15);
    color: #1B4332;
}

/* ===== MAP OVERRIDES ===== */
iframe {
    filter: saturate(0.7) contrast(1.05);
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.15;
    }
}