/* ── Base & Typography ── */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ── Service Labels ── */
.service-label,
.about-label,
.why-label,
.contact-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #0d9488;
    margin-bottom: 0.5rem;
}

/* ── Service Cards ── */
.service-card {
    opacity: 1;
    transform: translateY(0);
}

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

/* ── Why Cards ── */
.why-card {
    opacity: 1;
    transform: translateY(0);
}

/* ── Nav ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .nav-link {
    color: #334155;
}

#navbar.scrolled .nav-link:hover {
    color: #0d9488;
}

#navbar.scrolled .mobile-nav-link {
    color: #334155;
}

#navbar.scrolled .mobile-nav-link:hover {
    color: #0d9488;
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .why-card,
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .service-card.revealed,
    .why-card.revealed,
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Form Select Arrow ── */
select {
    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='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ── Selection ── */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}