/* ============================================
   Karen Nails and Spa — 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;
}

/* ============================================
   Geometric Hero Shapes
   ============================================ */
.geo-shape {
    position: absolute;
    opacity: 0.12;
    pointer-events: none;
}

.geo-circle-1 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.geo-circle-2 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.2);
    bottom: 20%;
    left: 5%;
    animation: float 6s ease-in-out infinite reverse;
}

.geo-circle-3 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    top: 30%;
    left: 10%;
    animation: float 7s ease-in-out infinite;
}

.geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 80px solid transparent;
    border-right: 80px solid transparent;
    border-bottom: 140px solid rgba(255,255,255,0.1);
    top: 15%;
    right: 15%;
    transform: rotate(15deg);
    animation: spin-slow 20s linear infinite;
}

.geo-square-1 {
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.08);
    bottom: 30%;
    right: 8%;
    transform: rotate(45deg);
    animation: float 9s ease-in-out infinite;
}

.geo-ring-1 {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.15);
    bottom: 10%;
    right: 25%;
    animation: float 5s ease-in-out infinite reverse;
}

.geo-dots {
    background-image: radial-gradient(circle, rgba(255,255,255,0.2) 1px, transparent 1px);
    background-size: 20px 20px;
    width: 200px;
    height: 200px;
    top: 40%;
    left: 3%;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

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

/* ============================================
   Navigation
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(253, 248, 240, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(192, 96, 58, 0.08);
}

.nav-logo-text {
    color: #FDF0EB;
    transition: color 0.4s ease;
}

#navbar.scrolled .nav-logo-text {
    color: #7D3C24;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C0603A;
    transition: width 0.3s ease;
}

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

#navbar.scrolled .nav-link {
    color: #4B5563;
}

#navbar.scrolled .nav-link:hover {
    color: #C0603A;
}

/* ============================================
   Scroll Reveal Animations
   (Progressive enhancement — content visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-nav-link {
    position: relative;
    padding-left: 0;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ============================================
   Gallery
   ============================================ */
.gallery-item {
    overflow: hidden;
    border-radius: 1rem;
}

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ============================================
   Testimonial Cards
   ============================================ */
.testimonial-card {
    transition: transform 0.3s ease, background 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .geo-shape {
        display: none;
    }
    
    .geo-circle-1,
    .geo-circle-2,
    .geo-circle-3 {
        display: block;
        opacity: 0.08;
    }
}

/* ============================================
   Selection Color
   ============================================ */
::selection {
    background: #F5B8A0;
    color: #5A2C1B;
}

/* ============================================
   Focus Visible for Accessibility
   ============================================ */
:focus-visible {
    outline: 2px solid #C0603A;
    outline-offset: 2px;
}

/* ============================================
   Smooth transitions for all interactive elements
   ============================================ */
a, button {
    transition: all 0.3s ease;
}