*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(6px) translateX(-50%); }
}

.animate-bounce-slow {
    animation: bounce-slow 2.5s ease-in-out infinite;
}

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

#mobile-menu .mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

#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; }

/* Hamburger animation */
.hamburger-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
}

/* Header style on scroll */
header.scrolled {
    background: rgba(15, 15, 19, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Service card hover glow */
.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: radial-gradient(ellipse at top left, rgba(196, 91, 63, 0.06), transparent 70%);
    pointer-events: none;
}

.service-card {
    position: relative;
    overflow: hidden;
}

.service-card:hover::before {
    opacity: 1;
}

/* Gallery item hover */
.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 19, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Scroll reveal base state — content always visible by default */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Only apply hidden state when JS adds the class for progressive enhancement */
.reveal.revealed {
    opacity: 0;
    transform: translateY(30px);
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1a1a1f;
}
::-webkit-scrollbar-thumb {
    background: #3d3d47;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #52525e;
}

/* Select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23787886' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem !important;
}

/* Focus visible styles */
*:focus-visible {
    outline: 2px solid #C45B3F;
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background: rgba(196, 91, 63, 0.3);
    color: #fff;
}