/* ===== Custom Styles for Sutherland Bookkeeping ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050c10;
}
::-webkit-scrollbar-thumb {
    background: #1e3a52;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ===== Navigation ===== */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(5, 12, 16, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Hero ===== */
#hero {
    position: relative;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c9a84c, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}
.service-card:hover::before {
    opacity: 1;
}

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

/* ===== Selection ===== */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f0fdfa;
}

/* ===== Focus styles ===== */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ===== Mobile menu transition ===== */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}
#mobile-menu.hidden {
    animation: slideUp 0.2s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes slideUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* ===== Mobile link hover ===== */
.mobile-link {
    position: relative;
}
.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}
.mobile-link:hover::after {
    width: 100%;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .service-card,
    a,
    button {
        transition: none;
    }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .font-serif {
        font-size: 2rem;
    }
    #hero h1 {
        font-size: 2.5rem;
    }
}