/* ========================================
   Nails By Nikki — Custom Styles
   ======================================== */

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

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

body {
    min-height: 100vh;
}

/* Selection */
::selection {
    background: rgba(20, 184, 166, 0.2);
    color: #134e4a;
}

/* ========================================
   Navbar
   ======================================== */
#navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

/* ========================================
   Animations
   ======================================== */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(3deg); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes spin-slow {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

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

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

.animate-float-fast {
    animation: float-fast 3s ease-in-out infinite;
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

.animate-bounce-slow {
    animation: bounce-slow 3s ease-in-out infinite;
}

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

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #14b8a6, #0d9488);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px 3px 0 0;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ========================================
   Gallery Items
   ======================================== */
.gallery-item {
    aspect-ratio: 1;
}

.gallery-item.col-span-2 {
    aspect-ratio: auto;
}

/* ========================================
   Mobile Menu
   ======================================== */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 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; }

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* ========================================
   Focus Visible
   ======================================== */
:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
}

/* ========================================
   Responsive adjustments
   ======================================== */
@media (max-width: 640px) {
    .font-display {
        letter-spacing: -0.02em;
    }
}

@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;
    }
}