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

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

::selection {
    background-color: #d4900a;
    color: #102a43;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #d4900a;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled {
    background-color: rgba(10, 26, 46, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

#navbar.scrolled .nav-link::after {
    background-color: #f0c85c;
}

/* ── Mobile Menu ── */
.mobile-menu-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

/* ── Service Cards ── */
.service-card {
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid transparent;
    border-radius: inherit;
    transition: border-color 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

/* ── Process Steps ── */
.process-step {
    position: relative;
}

/* ── Animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .fade-in-up {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .fade-in-up.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Default state — always visible */
.fade-in-up {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .fade-in-up {
        opacity: 0;
        transform: translateY(24px);
    }

    .fade-in-up.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Form Styles ── */
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='%23627d98' 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;
}

/* ── Utility ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}