*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Hero animations — above the fold, always visible */
@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-slide-up {
    animation: slide-up 0.8s ease-out both;
}

.animate-slide-up-delay {
    animation: slide-up 0.8s ease-out 0.15s both;
}

.animate-slide-up-delay-2 {
    animation: slide-up 0.8s ease-out 0.3s both;
}

.animate-fade-in {
    animation: fade-in 0.8s ease-out 0.5s both;
}

/* Scroll reveal — below the fold only, progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    }

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

/* Card hover */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
}

/* FAQ */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-content.open {
    max-height: 300px;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(15, 23, 42, 0.08);
}

.navbar-transparent .navbar-inner {
    color: #0f172a;
}

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

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

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: #9fb3c8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6b7b8d;
}