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

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

body {
    overflow-x: hidden;
}

/* Fade-up animation for hero */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scroll reveal base state — always visible by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Progressive enhancement: only hide for reveal when JS is enabled and motion is preferred */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header scroll state */
.header-scrolled {
    background: rgba(254, 253, 248, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(47, 79, 79, 0.06);
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Hamburger animation */
.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background-color: #2f4f4f;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Selection color */
::selection {
    background-color: rgba(79, 125, 92, 0.2);
    color: #2f4f4f;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #faf8ef;
}
::-webkit-scrollbar-thumb {
    background: #c5d8cc;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #98baa3;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #2f4f4f;
    outline-offset: 2px;
    border-radius: 4px;
}

/* 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;
    }
}