/* ==========================================================================
   Global Variables & Base Styles
   ========================================================================== */
:root {
    /* Color Palette */
    --clr-soft-pink: #fdf2f5;
    --clr-white: #ffffff;
    --clr-off-white: #fafafa;
    --clr-charcoal: #2a2a2a;
    --clr-text-light: #555555;
    --clr-border: #eaeaea;
    --clr-accent: #e8c5ce;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--clr-charcoal);
    background-color: var(--clr-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

/* ==========================================================================
   Layout & Utilities
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-xl) 0;
}

.text-center {
    text-align: center;
}

.max-w-lg {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.bg-white { background-color: var(--clr-white); }
.bg-soft-pink { background-color: var(--clr-soft-pink); }
.bg-off-white { background-color: var(--clr-off-white); }

.divider {
    height: 1px;
    width: 40px;
    background-color: var(--clr-accent);
    margin: var(--space-md) auto;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--clr-charcoal);
    color: var(--clr-white);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Promo Banner */
.promo-banner {
    background-color: var(--clr-soft-pink);
    color: var(--clr-charcoal);
    text-align: center;
    padding: 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 100;
}

/* Sticky Navigation */
.sticky-nav {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-border);
    z-index: 99;
    padding: 1rem 0;
    transition: var(--transition-smooth);
}

.sticky-nav.scrolled {
    padding: 0.8rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--clr-accent);
}

.nav-separator {
    color: var(--clr-border);
    font-weight: 300;
}

/* Hero Section */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.3), rgba(255,255,255,0.7));
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--space-md);
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-sm);
    color: var(--clr-charcoal);
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: var(--space-lg);
    color: var(--clr-charcoal);
}

/* Bio Section */
.bio-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--clr-text-light);
    font-weight: 300;
}

/* Services Menu */
.category-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.category-desc-container {
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.category-desc {
    text-align: center;
    color: var(--clr-text-light);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.aftercare-note {
    font-style: italic;
    font-size: 0.95rem;
}

.service-list {
    max-width: 800px;
    margin: 0 auto;
    margin-top: var(--space-xl);
}

.service-item {
    padding: 3rem 0;
    border-bottom: 1px solid var(--clr-border);
    transition: var(--transition-smooth);
}

.service-item:last-child {
    border-bottom: none;
}

.service-item:hover {
    transform: translateX(10px);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-xs);
}

.service-name {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.service-price {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--clr-text-light);
}

.service-desc {
    color: var(--clr-text-light);
    font-weight: 300;
    font-size: 0.95rem;
}

.service-subtext {
    font-size: 0.85rem;
    color: #888;
    margin-top: 0.3rem;
    font-style: italic;
}

.service-item.standout {
    background-color: var(--clr-white);
    padding: var(--space-md);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    margin-top: var(--space-md);
    border-bottom: none;
}

/* Footer */
.footer {
    border-top: 1px solid var(--clr-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.footer-address {
    color: var(--clr-text-light);
    margin-bottom: var(--space-md);
}

.footer-socials {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-charcoal);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    padding: 12px; /* Breathing room */
}

.social-icon:hover {
    color: var(--clr-white);
    background-color: var(--clr-charcoal);
    transform: translateY(-3px);
}

.footer-map iframe {
    border-radius: 8px;
}

.footer-booking-note {
    margin-top: var(--space-md);
    color: var(--clr-text-light);
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.6;
}

.inline-link {
    color: var(--clr-charcoal);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.inline-link:hover {
    color: var(--clr-accent);
    border-bottom: 1px solid var(--clr-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--clr-border);
    color: var(--clr-text-light);
    font-size: 0.85rem;
}

/* Floating Booking Button */
.floating-btn {
    position: fixed;
    bottom: var(--space-md);
    right: var(--space-md);
    background-color: transparent; /* sophisticated ghost button */
    backdrop-filter: blur(5px);
    color: var(--clr-charcoal); /* refined black text */
    padding: 0.85rem 1.8rem;
    border-radius: 4px;
    border: 1px solid var(--clr-charcoal); /* thin elegant black border */
    font-family: var(--font-body);
    font-weight: 400; /* elegant, not bulky */
    font-size: 0.8rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.floating-btn:hover {
    background-color: var(--clr-charcoal);
    color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger list items implicitly by adding transition delay based on children in JS or CSS */
.service-list.visible .service-item {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ensure we don't apply animation normally, rely on intersection observer to add .visible to parent */
.service-item {
    opacity: 0; /* hidden initially */
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        gap: var(--space-sm);
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .service-header {
        flex-direction: column;
        gap: 0.2rem;
    }
    
    .service-item:hover {
        transform: none; /* Disable hover translation on mobile */
    }
}