/* Custom styles — extends Tailwind with fine-tuned touches */

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

/* Body text rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection color */
::selection {
    background-color: rgba(240, 90, 40, 0.15);
    color: #1f1f1f;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f7f7f7;
}
::-webkit-scrollbar-thumb {
    background: #d1d1d1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a3a3a3;
}

/* Service cards */
.service-card {
    will-change: transform, box-shadow;
}

/* Approach steps */
.approach-step {
    position: relative;
}

/* Mobile menu transitions */
.menu-line {
    display: block;
}

#mobile-menu.open .menu-line:first-child {
    transform: translateY(4px) rotate(45deg);
}
#mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#mobile-menu.open .menu-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* Header scroll state */
#site-header.scrolled {
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

/* Scroll-reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 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) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}