/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal - progressive enhancement, only active with JS */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

/* Hero animations */
@media (prefers-reduced-motion: no-preference) {
    .hero-tag {
        animation: fadeSlideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .hero-tag {
        animation-delay: 0.2s;
    }

    .hero h1 {
        animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .hero h1 {
        animation-delay: 0.4s;
    }

    .hero p {
        animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .hero p {
        animation-delay: 0.6s;
    }

    .hero > div:last-child > div {
        animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .hero > div:last-child > div {
        animation-delay: 0.8s;
    }
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transition */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* Mobile menu */
#mobile-menu.open {
    display: flex;
}

#mobile-menu .mobile-overlay {
    opacity: 0;
    transition: opacity 0.3s ease;
}

#mobile-menu.open .mobile-overlay {
    opacity: 1;
}

#mobile-menu .absolute {
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#mobile-menu.open .absolute {
    transform: translateX(0);
}

/* Service card hover */
.service-card {
    will-change: transform;
}

/* Smooth focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: #0d9488;
    color: white;
}

/* 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;
}