/* ============================================
   Jin's Wonderful Nail Spa — Custom Styles
   Premium Dark Luxury Theme
   Plum + Amber Color Palette
============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f0d060;
}

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

::-webkit-scrollbar-track {
    background: #1a0a1e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #c9a84c, #e8c96a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #e8c96a, #f0d060);
}

/* --- Animations --- */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.5; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 0.8; }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

@keyframes scroll-down {
    0% { top: -16px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

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

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

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-pulse-slow {
    animation: pulse-slow 5s ease-in-out infinite;
}

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

/* --- Scroll Reveal --- */
.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-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; }

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #c9a84c, #e8c96a);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #e8c96a !important;
}

/* --- Navbar scroll state --- */
.nav-scrolled {
    background: rgba(26, 10, 30, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.nav-scrolled .nav-link {
    color: rgba(168, 85, 201, 0.8) !important;
}

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

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

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    width: 1.25rem;
    transform: rotate(-45deg) translate(4px, -4px);
}

.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), border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(201, 168, 76, 0.05);
}

/* --- Gallery --- */
.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(201, 168, 76, 0);
    border-radius: 12px;
    transition: border-color 0.5s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    border-color: rgba(201, 168, 76, 0.3);
}

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

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* --- Input focus glow --- */
input:focus, textarea:focus {
    box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.2), 0 0 20px rgba(201, 168, 76, 0.05);
}

/* --- Button shine effect --- */
button, a[href^="tel"] {
    position: relative;
    overflow: hidden;
}

button::before, a[href^="tel"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

button:hover::before, a[href^="tel"]:hover::before {
    left: 100%;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

@media (max-width: 640px) {
    section {
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
    }
}