/* ============================================
   Golden Girls Tanning — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(58, 158, 135, 0.3);
    color: #152143;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0c1226;
}
::-webkit-scrollbar-thumb {
    background: #3a9e87;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #5ec3a5;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #5ec3a5;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #5ec3a5 !important;
}

/* Mobile Menu */
#mobileMenu {
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.close {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #5ec3a5;
    transition: width 0.3s ease;
}

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

/* Section Labels */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #3a9e87;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Service Cards */
.service-card {
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    box-shadow: 0 0 0 1px rgba(58, 158, 135, 0);
    transition: box-shadow 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.service-card:hover::after {
    box-shadow: 0 0 0 1px rgba(58, 158, 135, 0.2);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal[data-reveal="up"] {
    transform: translateY(40px);
    opacity: 0;
}

.reveal[data-reveal="left"] {
    transform: translateX(-40px);
    opacity: 0;
}

.reveal[data-reveal="right"] {
    transform: translateX(40px);
    opacity: 0;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

/* Stagger children */
.reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.3s; }

.reveal-stagger[data-reveal="up"] > * {
    transform: translateY(30px);
    opacity: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
    }
    .service-card img {
        transition: none;
    }
    .service-card:hover img {
        transform: none;
    }
}

/* Form focus styles */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* Button hover lift */
button, a {
    transition: all 0.3s ease;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(12, 18, 38, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Back to top */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

#backToTop:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(58, 158, 135, 0.3);
}