/* Custom styles for Kee Cheung Company */

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

/* Navbar scroll state */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a037;
    transition: width 0.3s ease;
}

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

/* Hero animations */
.hero-content {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.hero-image {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease 0.2s forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal delays */
.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }
.service-card:nth-child(5) { transition-delay: 0.4s; }
.service-card:nth-child(6) { transition-delay: 0.5s; }

.testimonial-card:nth-child(1) { transition-delay: 0s; }
.testimonial-card:nth-child(2) { transition-delay: 0.1s; }
.testimonial-card:nth-child(3) { transition-delay: 0.2s; }

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

/* Testimonial card hover */
.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(16, 42, 47, 0.08);
}

/* Custom 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='%236b7280' 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;
    appearance: none;
    -webkit-appearance: none;
}

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

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

/* Subtle gradient border on focus */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(212, 160, 55, 0.15);
}

/* Selection color */
::selection {
    background: rgba(212, 160, 55, 0.2);
    color: #102a43;
}