/* ── Base & Typography ── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .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; }
}

/* ── Navigation ── */
.nav-link {
    position: relative;
}

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

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

/* ── Header scroll state ── */
#site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ── Buttons ── */
button, a[href] {
    cursor: pointer;
}

/* ── Mobile menu animation ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

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

/* ── Form focus states ── */
input:focus, textarea:focus {
    outline: none;
}

/* ── Smooth image loading ── */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ── Map container ── */
iframe {
    filter: saturate(0.8) contrast(1.05);
    transition: filter 0.3s ease;
}

iframe:hover {
    filter: saturate(1) contrast(1);
}