/* Custom styles for Barrier Waterproofing Systems */

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

/* Custom animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
    animation: float-delay 7s ease-in-out infinite;
    animation-delay: 1s;
}

.animate-fade-in-up {
    animation: fade-in-up 0.8s ease-out forwards;
}

.animate-fade-in-up-delay {
    animation: fade-in-up 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-2 {
    animation: fade-in-up 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-3 {
    animation: fade-in-up 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-4 {
    animation: fade-in-up 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

/* Scroll reveal animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

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

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.nav-scrolled .nav-link {
    color: #334155 !important;
}

.nav-scrolled .nav-link:hover {
    color: #0d9488 !important;
    background: #f0fdfa !important;
}

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

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

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

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

/* Selection color */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}

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

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

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Button ripple effect on hover */
button, a {
    -webkit-tap-highlight-color: transparent;
}