/* GreenStar Conservation — Custom Styles */

/* Base resets and typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 300;
    color: #1e293b;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background-color: rgba(13, 148, 136, 0.2);
    color: #0f766e;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Thin border utility */
.thin-border {
    border: 1px solid rgba(20, 184, 166, 0.15);
}

/* Accent line */
.accent-line {
    width: 40px;
    height: 1px;
    background: #14b8a6;
}

/* Section divider */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.3), transparent);
}

/* Pattern overlay for hero */
.pattern-overlay {
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 40px 40px;
}

/* Nav link underline animation */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #14b8a6;
    transition: width 0.3s ease;
}
.nav-link:hover {
    color: #0d9488;
}
.nav-link:hover::after {
    width: 100%;
}

/* Service card hover */
.service-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Fade-in animation for scroll reveal */
.fade-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Mobile menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}
.mobile-menu.open {
    transform: translateX(0);
}

/* Hamburger animation */
.hamburger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: #0f766e;
    transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -4px);
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #14b8a6 !important;
    box-shadow: 0 0 0 1px #14b8a6;
}

/* Button hover effects */
button:hover {
    transform: translateY(-1px);
}
button:active {
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .service-card {
        transition: none;
    }
    .service-card:hover {
        transform: none;
    }
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Print styles */
@media print {
    .fixed, .mobile-menu, #menuOverlay {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .thin-border {
        border-color: #000;
    }
    .service-card {
        border-width: 2px;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.2;
    }
}