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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: rgba(123, 45, 59, 0.2);
    color: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FFF8F5;
}
::-webkit-scrollbar-thumb {
    background: #b8a0a0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7B2D3B;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll-triggered animation classes */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

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

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7B2D3B, #ff6b6b);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(42, 14, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .mobile-line {
    background: white;
}

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

/* Mobile hamburger animation */
.mobile-menu-open .mobile-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-open .mobile-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-open .mobile-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.25rem;
}

/* Mobile links animation */
.mobile-menu.active .mobile-link {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.mobile-menu.active .mobile-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { animation-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { animation-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { animation-delay: 0.25s; }

/* Smooth image loading */
img {
    display: block;
    max-width: 100%;
}

/* Form 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='%237B2D3B' 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;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid #ff6b6b;
    outline-offset: 2px;
}

/* 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;
    }
    .reveal, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1;
        transform: none;
    }
}

/* Print styles */
@media print {
    nav, #contact-form, .reveal {
        display: none !important;
    }
    body {
        background: white;
        color: black;
    }
}