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

body {
    overflow-x: hidden;
}

/* Scroll reveal animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px) !important;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08) !important;
}

.navbar-scrolled .nav-link {
    color: #1e293b !important;
}

.navbar-scrolled .nav-logo {
    color: #1e293b !important;
}

/* Mobile menu active state */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Menu toggle animation */
.menu-toggle-active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle-active .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle-active .menu-line:nth-child(3) {
    width: 24px;
    margin-left: 0;
    margin-right: 0;
    transform: rotate(-45deg) translate(5px, -5px);
}

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

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0f766e;
}

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

/* Image lazy load fallback */
img {
    content-visibility: auto;
}