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

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

body {
    margin: 0;
    background-color: #fdfcf9;
    color: #1e3d2f;
}

::selection {
    background-color: #1e3d2f;
    color: #fdfcf9;
}

img, svg {
    display: block;
    max-width: 100%;
}

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

#mobile-nav.closed #bar1 {
    transform: translateY(6px) rotate(45deg);
}
#mobile-nav.closed #bar2 {
    opacity: 0;
}
#mobile-nav.closed #bar3 {
    transform: translateY(-5px) rotate(-45deg);
    width: 1.25rem;
}

#mobile-nav:not(.closed) #bar1 {
    transform: none;
}
#mobile-nav:not(.closed) #bar2 {
    opacity: 1;
}
#mobile-nav:not(.closed) #bar3 {
    transform: none;
    width: 0.875rem;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-nav.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-nav.open .mobile-link:nth-child(1) { transition-delay: 0.08s; }
#mobile-nav.open .mobile-link:nth-child(2) { transition-delay: 0.14s; }
#mobile-nav.open .mobile-link:nth-child(3) { transition-delay: 0.20s; }
#mobile-nav.open .mobile-link:nth-child(4) { transition-delay: 0.26s; }

/* Scroll reveal animations */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up {
    transform: translateY(0);
}
.reveal-left {
    transform: translateX(0);
}
.reveal-right {
    transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(28px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-28px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(28px);
    }
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: none;
}

/* Hero text animation */
.hero-sub {
    animation: slideUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
    animation-delay: 0.2s;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header background on scroll */
header.scrolled {
    background-color: rgba(253, 252, 249, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(30, 61, 47, 0.06);
}

/* Form success state */
#form-msg.success {
    color: #a9b5a3;
}
#form-msg.error {
    color: #c9a0a0;
}

input:focus {
    outline: 2px solid #a9b5a3;
    outline-offset: -1px;
}