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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(212, 137, 15, 0.2);
    color: #102a43;
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation-name: fadeInUp;
    animation-duration: 1s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-fill-mode: forwards;
    opacity: 0;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-revealed="true"] {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .reveal[data-revealed="true"] {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar Scroll State */
.nav-scrolled #navbar {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}

.nav-scrolled .nav-link {
    color: #102a43;
}

.nav-scrolled #nav-logo-text {
    color: #102a43;
}

.nav-scrolled #nav-sub-text {
    color: #627d98;
}

.nav-scrolled .menu-line {
    background-color: #102a43;
}

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

.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

/* Smooth anchor offset for fixed nav */
section[id] {
    scroll-margin-top: 80px;
}

/* Image loading placeholder */
img {
    background-color: #f0f4f8;
}