/* Custom styles for Weatherford US LP */

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

/* Base typography */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Service card hover effect */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, #ff6b4a, #d43f1f);
    transition: height 0.4s ease;
}

.service-card:hover::before {
    height: 100%;
}

/* Navigation active state */
.nav-link.active {
    color: #ff6b4a;
}

/* Mobile menu animations */
.menu-line {
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg);
    top: 50%;
}

/* Form focus styles */
input:focus,
textarea:focus,
select:focus {
    border-bottom-color: #ff6b4a !important;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .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; }
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

#navbar.scrolled .nav-link {
    color: #4a4b57;
}

#navbar.scrolled .nav-link:hover {
    color: #ff6b4a;
}

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

::-webkit-scrollbar-track {
    background: #f7f7f8;
}

::-webkit-scrollbar-thumb {
    background: #d4d4dc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #abacb8;
}

/* Selection color */
::selection {
    background: #ff6b4a;
    color: white;
}