/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

img {
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.reveal-up {
    opacity: 0;
    animation: revealUp 0.8s ease forwards;
}

/* Scroll dot animation */
@keyframes scrollDot {
    0% {
        top: 0;
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

.animate-scroll {
    animation: scrollDot 1.5s ease-in-out infinite;
}

/* Decorative lines */
.deco-line {
    position: absolute;
}

/* Intersection Observer animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* Navbar styles */
#navbar {
    color: rgba(255, 255, 255, 0.85);
}

#navbar.scrolled {
    background: rgba(247, 245, 240, 0.95);
    backdrop-filter: blur(12px);
    color: #1A3C2A;
    box-shadow: 0 1px 0 rgba(26, 60, 42, 0.08);
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* Menu button animation */
.menu-line {
    display: block;
}

.menu-open .menu-line:first-child {
    transform: rotate(45deg) translate(2px, 2px);
}

.menu-open .menu-line:last-child {
    transform: rotate(-45deg) translate(2px, -2px);
}

/* Service card stagger animation */
.service-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }
.service-card:nth-child(5) { transition-delay: 0.32s; }
.service-card:nth-child(6) { transition-delay: 0.40s; }

/* Selection color */
::selection {
    background: #1A3C2A;
    color: #F7F5F0;
}