:root {
    --color-off-white: #f8f7f4;
    --color-forest-950: #0a1007;
    --color-forest-900: #11190a;
    --color-forest-800: #1e2d13;
    --color-forest-700: #2a3e1b;
    --color-forest-600: #3f5f26;
    --color-forest-500: #547d33;
    --color-forest-400: #76a04e;
    --color-forest-300: #9fbe7e;
    --color-forest-200: #c7dbb3;
    --color-forest-100: #e3ecd9;
    --color-forest-50: #f2f7f0;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-off-white);
    color: var(--color-forest-900);
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
}

/* Preloader */
#preloader {
    z-index: 60;
}

#preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-off-white);
}
::-webkit-scrollbar-thumb {
    background: var(--color-forest-300);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-forest-500);
}

/* Selection */
::selection {
    background: var(--color-forest-200);
    color: var(--color-forest-900);
}

/* Service Cards */
.service-card {
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.service-card:hover {
    background-color: var(--color-forest-50);
}

.service-card:hover svg {
    transform: scale(1.05);
}

.service-card svg {
    transition: transform 0.3s ease;
}

/* Testimonial Cards */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* Nav Links */
.nav-link {
    position: relative;
}

/* Mobile Menu */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

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

#mobile-menu:not(.active) {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* Menu Lines */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* Back to Top */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:not(.visible) {
    transform: translateY(10px);
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal.revealed:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal.revealed:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal.revealed:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal.revealed:nth-child(5) { transition-delay: 0.4s; }
.scroll-reveal.revealed:nth-child(6) { transition-delay: 0.5s; }

/* 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;
    }

    .scroll-reveal {
        opacity: 1;
        transform: none;
    }

    #preloader {
        display: none;
    }
}

/* Header Background States */
#site-header.scrolled {
    background-color: rgba(248, 247, 244, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(42, 62, 27, 0.08);
}

/* Form Focus States */
input:focus, textarea:focus, select:focus {
    outline: none;
}

input::placeholder, textarea::placeholder {
    color: rgb(199, 219, 179);
}

/* Select styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237c9a6e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

select option {
    background: var(--color-off-white);
    color: var(--color-forest-800);
}

/* Notification */
#notification {
    box-shadow: 0 20px 40px rgba(17, 25, 10, 0.15);
}

#notification.show {
    transform: translateX(0) !important;
}