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

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

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #faf5f7;
}
::-webkit-scrollbar-thumb {
    background: #d9a8b8;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #b05a6e;
}

/* Selection */
::selection {
    background: #d9a8b8;
    color: #331117;
}

/* Navbar Transition */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #f59e0b;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-delay-1 {
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-delay-2 {
    animation: fadeInUp 0.8s ease 0.5s forwards;
    opacity: 0;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(to bottom, #fbbf24, #d97706);
    transition: height 0.5s ease;
}

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

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

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

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Hamburger Animation */
#menu-toggle.active #bar-top {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active #bar-mid {
    opacity: 0;
}
#menu-toggle.active #bar-bot {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 24px;
}

/* Form Focus States */
input:focus,
textarea:focus,
select:focus {
    border-color: #fbbf24;
    box-shadow: 0 0 0 1px #fbbf24;
}

/* 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[data-reveal] {
        opacity: 1;
        transform: none;
    }
}

/* Utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}