/* ============================================
   LAKESIDE DETAILING — Custom Styles
   Premium Dark Luxury Theme
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #C5A059;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #D4B76A;
}

/* Selection Color */
::selection {
    background: rgba(197, 160, 89, 0.3);
    color: #fff;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulseSlow {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.15; transform: scale(1.05); }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-pulse-slow {
    animation: pulseSlow 4s ease-in-out infinite;
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* Reveal on Scroll */
.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);
}

/* Stagger children reveals */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.5s; }

.reveal-stagger.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   GOLD BUTTON
   ============================================ */

.gold-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #C5A059 0%, #D4B76A 50%, #A8863E 100%);
    color: #0A1628;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(197, 160, 89, 0.25), 
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.gold-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gold-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.gold-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(197, 160, 89, 0.4), 
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.gold-button:hover::before {
    opacity: 1;
}

.gold-button:hover::after {
    left: 100%;
}

.gold-button:active {
    transform: translateY(0);
}

/* ============================================
   NAVBAR
   ============================================ */

#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(197, 160, 89, 0.1), 0 4px 20px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled nav > .max-w-7xl > .py-5 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Menu Lines Animation */
.menu-line {
    display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.5rem;
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 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; }

/* ============================================
   SERVICE CARDS
   ============================================ */

.service-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.5s ease,
                border-color 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 
                0 0 0 1px rgba(197, 160, 89, 0.1);
}

/* ============================================
   FORM STYLES
   ============================================ */

select option {
    background: #0F1F36;
    color: #fff;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .gold-button {
        width: 100%;
    }
}

@media (min-width: 768px) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
    }
}