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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #1a4d2e;
    color: #faf8f4;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f5f0e8;
}
::-webkit-scrollbar-thumb {
    background: #1a4d2e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #123620;
}

/* Navigation */
.nav-header {
    background: rgba(250, 248, 244, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26, 77, 46, 0.08);
}

.nav-header.scrolled {
    background: rgba(250, 248, 244, 0.95);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1a4d2e;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Menu */
.mobile-menu-btn .menu-line:last-child {
    width: 14px;
}

.mobile-menu-btn.active .menu-line:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .menu-line:last-child {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-nav-link {
    position: relative;
}

.mobile-nav-link::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #1a4d2e;
    transition: width 0.3s ease;
}

.mobile-nav-link:hover::after {
    width: 100%;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0c2415 0%, #1a4d2e 40%, #2d6132 70%, #1a4d2e 100%);
    position: relative;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/4046997/pexels-photo-4046997.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    opacity: 0.12;
    filter: grayscale(30%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(12, 36, 21, 0.92) 0%,
        rgba(26, 77, 46, 0.85) 50%,
        rgba(45, 97, 50, 0.80) 100%
    );
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 25% 25%, rgba(185, 208, 184, 0.04) 0%, transparent 50%),
                      radial-gradient(circle at 75% 75%, rgba(185, 208, 184, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.scroll-indicator {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(8px); opacity: 1; }
}

/* Services Pattern */
.services-pattern {
    background-image: 
        linear-gradient(30deg, #faf8f4 12%, transparent 12.5%, transparent 87%, #faf8f4 87.5%, #faf8f4),
        linear-gradient(150deg, #faf8f4 12%, transparent 12.5%, transparent 87%, #faf8f4 87.5%, #faf8f4),
        linear-gradient(30deg, #faf8f4 12%, transparent 12.5%, transparent 87%, #faf8f4 87.5%, #faf8f4),
        linear-gradient(150deg, #faf8f4 12%, transparent 12.5%, transparent 87%, #faf8f4 87.5%, #faf8f4),
        linear-gradient(60deg, #faf8f42 25%, transparent 25.5%, transparent 75%, #faf8f42 75%, #faf8f42),
        linear-gradient(60deg, #faf8f42 25%, transparent 25.5%, transparent 75%, #faf8f42 75%, #faf8f42);
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
}

/* Service Cards */
.service-card {
    will-change: transform;
}

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

/* Reveal Animations */
.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[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal.hidden-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.visible-reveal {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #1a4d2e;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Print */
@media print {
    .nav-header, .mobile-menu, .scroll-indicator { display: none; }
    body { background: white; color: black; }
    .hero { min-height: auto; padding: 2rem 0; }
}