/* Custom styles for Gro Speech Language Learning */

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

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

::-webkit-scrollbar-track {
    background: #1a1d24;
}

::-webkit-scrollbar-thumb {
    background: #2e333b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff6b55;
}

/* Selection color */
::selection {
    background: #ff6b55;
    color: #ffffff;
}

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

.service-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Navbar transition */
#navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#navbar.scrolled {
    background: rgba(15, 17, 21, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Fade-in animation for scroll reveal */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children animations */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .fade-in,
    .stagger-children > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #ff6b55;
    outline-offset: 2px;
}

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

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

/* Gold accent line */
.gold-accent {
    position: relative;
}

.gold-accent::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #d4a84b, #c9972e);
    border-radius: 2px;
}

/* Image hover zoom */
img {
    transition: transform 0.3s ease;
}

/* Button ripple effect */
button,
a {
    position: relative;
    overflow: hidden;
}

/* Custom gradient text */
.gradient-text {
    background: linear-gradient(135deg, #ff6b55, #d4a84b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}