/* ============================================
   GT Oilfield Repair Inc — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f0e8;
}

::-webkit-scrollbar-thumb {
    background: #3d622a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #315022;
}

/* Selection */
::selection {
    background: #3d622a;
    color: #faf8f4;
}

/* Navbar */
#navbar {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(250, 248, 244, 0.9);
    border-bottom: 1px solid rgba(61, 98, 42, 0.1);
}

#navbar.scrolled {
    background: rgba(250, 248, 244, 0.97);
    box-shadow: 0 1px 20px rgba(17, 28, 12, 0.08);
}

/* Mobile Menu */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.4s; }

/* Menu Button Animation */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    width: 6px;
    margin-left: 0;
    margin-right: 0;
}

/* Scroll Indicator Animation */
@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

.scroll-line {
    animation: scrollDown 1.5s ease-in-out infinite;
}

/* Service Card Hover Effects */
.service-card {
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(17, 28, 12, 0.3);
}

/* Scroll Reveal Animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* 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-line {
        animation: none;
    }
}

/* Focus visible */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #3d622a;
    outline-offset: 2px;
}

/* Image hover zoom */
img {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Print styles */
@media print {
    #navbar, #contactForm, .scroll-indicator {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
}