/* Custom styles — overrides and enhancements beyond Tailwind */

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

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .nav-logo {
    color: #1e293b;
}

#navbar.scrolled .menu-line {
    background: #1e293b;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu button animation */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* Scroll-down animation */
@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}
.animate-scroll-down {
    animation: scrollDown 1.5s ease-in-out infinite;
}

/* Service card hover */
.service-card {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.service-card:hover {
    transform: translateY(-6px);
}

/* Testimonial card hover */
.testimonial-card {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(45, 98, 109, 0.1) !important;
}

/* Scroll reveal animations (below-fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s 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; }
    .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;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Image hover zoom */
.overflow-hidden img {
    transition: transform 0.7s ease;
}

/* Custom selection color */
::selection {
    background: #2d626d;
    color: #f8fafc;
}