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

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

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

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

a {
    text-decoration: none;
    color: inherit;
}

/* ========== SCROLL ANIMATIONS ========== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-up.visible,
.fade-in-left.visible,
.fade-in-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ========== NAVBAR ========== */
#navbar.scrolled {
    background: rgba(255, 251, 245, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(128, 0, 32, 0.08);
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(128, 0, 32, 0.08);
}

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

/* ========== SERVICE CARDS ========== */
.service-card {
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* ========== BACK TO TOP ========== */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:hover {
    transform: translateY(-2px);
}

/* ========== FORM STYLES ========== */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.1);
}

select {
    appearance: none;
    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='%23800020' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}

@media (max-width: 640px) {
    #hero {
        padding-top: 5rem;
    }
}