/* ============================================
   RCM Buildings — Custom Styles
   ============================================ */

/* 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 */
::selection {
    background-color: #0d9488;
    color: white;
}

/* ============================================
   Scroll Reveal Animations (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ============================================
   Navbar Scroll State
   ============================================ */
#navbar.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .logo-icon {
    background-color: #0d9488;
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Product Card Image Zoom
   ============================================ */
.group img {
    will-change: transform;
}

/* ============================================
   Button Hover Effects
   ============================================ */
a[href^="tel:"],
a[href^="mailto:"] {
    text-decoration: none;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* ============================================
   Focus Styles
   ============================================ */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============================================
   Smooth Image Loading
   ============================================ */
img {
    background-color: #e2e8f0;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    .scroll-indicator {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    a[href^="tel:"]::before {
        content: "Call: ";
    }
}