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

body {
    overflow-x: hidden;
}

/* ── Floating Card Animations ─────────────────────────────── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.floating-card {
    animation: float 4s ease-in-out infinite;
}

.floating-card-delayed {
    animation: float-delayed 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

/* ── Scroll Reveal ────────────────────────────────────────── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

/* ── Service Card Hover ───────────────────────────────────── */
.service-card {
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ── Area Card Hover ──────────────────────────────────────── */
.area-card {
    transition: box-shadow 0.3s ease;
}

.area-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ── Navbar Scroll State ──────────────────────────────────── */
nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .floating-card,
    .floating-card-delayed {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        transition: none;
    }
}

/* ── Focus Styles ─────────────────────────────────────────── */
:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

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

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

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

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

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