/* ===== Custom Styles for ND Nails ===== */

/* Base & Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

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

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes scroll-line {
    0% { top: -16px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: calc(100% + 16px); opacity: 0; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.animate-pulse-slow {
    animation: pulse-slow 6s ease-in-out infinite;
}

.animate-spin-slow {
    animation: spin-slow 8s linear infinite;
}

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

/* Scroll Reveal 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);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 300ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 500ms; }

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px -15px rgba(255, 79, 79, 0.15);
}

/* ===== Gallery Items ===== */
.gallery-item {
    position: relative;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover {
    transform: scale(1.02);
    z-index: 10;
}

/* ===== Navbar ===== */
.navbar-scrolled {
    background: rgba(10, 10, 18, 0.92) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 79, 79, 0.1) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3) !important;
}

/* ===== Selection ===== */
::selection {
    background: rgba(255, 79, 79, 0.3);
    color: #f7f7f8;
}

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

::-webkit-scrollbar-track {
    background: #13131e;
}

::-webkit-scrollbar-thumb {
    background: #4a4a5e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff4f4f;
}

/* ===== Focus Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(to right, #ff6b6b, #e84393);
    transition: width 0.3s ease;
}

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

/* ===== Form Styles ===== */
input::placeholder,
textarea::placeholder {
    color: #6e6e87;
}

/* ===== Gold accent shimmer ===== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .service-card:hover {
        transform: none;
    }
}