/* ========== BASE & SCROLL ========== */
html {
    scroll-behavior: smooth;
}

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

::selection {
    background-color: #99f6e4;
    color: #134e4a;
}

/* ========== NAVIGATION ========== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #0d9488;
    border-radius: 1px;
    transform: translateX(-50%);
    transition: width 0.2s ease;
}

.nav-link:hover::after {
    width: 60%;
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    animation: slideDown 0.25s ease-out;
}

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

/* ========== SERVICE CARDS ========== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0d9488, #2dd4bf);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ========== SCROLL REVEAL (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .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; }
}

/* ========== INPUT FOCUS ========== */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* ========== BUTTON RIPPLE ========== */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ========== MAP CONTAINER ========== */
.map-container {
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 200px;
}

/* ========== UTILITY ========== */
@media (max-width: 640px) {
    .font-serif {
        font-size: 2rem;
        line-height: 1.15;
    }
}