/* ========================================
   Lisa Nail & Spa — Custom Styles
   ======================================== */

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

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background-color: rgba(16, 185, 129, 0.2);
    color: #064e3b;
}

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

#navbar.scrolled {
    background: rgba(253, 248, 239, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #059669;
    transition: width 0.3s ease;
}

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

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu-overlay {
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu-overlay.active .mobile-menu-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-overlay.active .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-overlay.active .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-overlay.active .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }

/* ========================================
   Hero Section
   ======================================== */
#hero {
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, #fdf8ef, transparent);
    z-index: 1;
    pointer-events: none;
}

/* ========================================
   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, #059669, #34d399);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

/* ========================================
   Gallery
   ======================================== */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 78, 59, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ========================================
   Testimonial Cards
   ======================================== */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: 'Playfair Display', serif;
    font-size: 80px;
    color: rgba(16, 185, 129, 0.08);
    line-height: 1;
    pointer-events: none;
}

/* ========================================
   Scroll Reveal Animations
   (Progressive enhancement — content visible without JS)
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .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; }
}

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

::-webkit-scrollbar-track {
    background: #fdf8ef;
}

::-webkit-scrollbar-thumb {
    background: #d1fae5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* ========================================
   Mobile Responsive
   ======================================== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}