/* Base */
*, *::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(44, 74, 62, 0.15);
    color: #1e352b;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #FAFAF7;
}
::-webkit-scrollbar-thumb {
    background: #b8cdbd;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8fa893;
}

/* Hero reveal animations */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.hero-reveal {
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.hero-reveal:nth-child(1) { animation-delay: 0.1s; }
.hero-reveal:nth-child(2) { animation-delay: 0.25s; }
.hero-reveal:nth-child(3) { animation-delay: 0.4s; }
.hero-reveal:nth-child(4) { animation-delay: 0.55s; }
.hero-reveal:nth-child(5) { animation-delay: 0.7s; }

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

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

#mobile-menu.active .mobile-link {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

#mobile-menu.active .mobile-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(2) { animation-delay: 0.15s; }
#mobile-menu.active .mobile-link:nth-child(3) { animation-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(4) { animation-delay: 0.25s; }
#mobile-menu.active .mobile-link:nth-child(5) { animation-delay: 0.3s; }

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

/* Hamburger animation */
#menu-btn.active #menu-line-1 {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-btn.active #menu-line-2 {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Navbar transition */
.nav-scrolled {
    background-color: rgba(250, 250, 247, 0.95) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(44, 74, 62, 0.08);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #2C4A3E;
    outline-offset: 2px;
}