/* ========================================
   Lovely Nails Spa - Styles
   Classic & Elegant Design System
======================================== */

/* CSS Variables */
:root {
    --color-teal-dark: #1a5f5f;
    --color-teal: #2d8a8a;
    --color-teal-light: #e8f4f4;
    --color-teal-pale: #f4f9f9;
    --color-slate-dark: #1e293b;
    --color-slate: #334155;
    --color-slate-medium: #64748b;
    --color-slate-light: #94a3b8;
    --color-cream: #faf9f7;
    --color-white: #ffffff;
    --color-gold: #c9a962;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 2px 8px rgba(30, 41, 59, 0.08);
    --shadow-md: 0 8px 24px rgba(30, 41, 59, 0.12);
    --shadow-lg: 0 16px 48px rgba(30, 41, 59, 0.16);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-slate-dark);
    background-color: var(--color-cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-teal);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-slate-dark);
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-teal);
    color: var(--color-white);
    border-color: var(--color-teal);
}

.btn-primary:hover {
    background-color: var(--color-teal-dark);
    border-color: var(--color-teal-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-slate-dark);
    border-color: var(--color-slate-light);
}

.btn-outline:hover {
    border-color: var(--color-teal);
    color: var(--color-teal);
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.08);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-slate-dark);
    letter-spacing: 0.02em;
}

.logo:hover {
    color: var(--color-teal);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-teal);
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: var(--color-teal);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-slate-dark);
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-cream);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-slate-dark);
    cursor: pointer;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.mobile-menu a {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-slate-dark);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-teal-pale) 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    padding-right: var(--spacing-md);
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-teal);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-slate-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-slate-medium);
    margin-bottom: var(--spacing-md);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background-color: var(--color-teal-light);
    border-radius: var(--radius-lg);
    z-index: -1;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-md);
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-teal-light);
}

.service-icon {
    color: var(--color-teal);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-slate-dark);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-slate-medium);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-cream);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.about-content {
    padding-left: var(--spacing-md);
}

.about-text {
    font-size: 1rem;
    color: var(--color-slate-medium);
    margin-bottom: var(--spacing-sm);
}

.about-features {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-dark);
}

.feature svg {
    color: var(--color-teal);
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
}

.gallery-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-teal-pale) 0%, var(--color-cream) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-text {
    font-size: 1rem;
    color: var(--color-slate-medium);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
}

.contact-item svg {
    color: var(--color-teal);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-slate-dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--color-slate-medium);
    line-height: 1.5;
}

.contact-item a {
    color: var(--color-teal);
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-slate-dark);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-slate-dark);
    background-color: var(--color-cream);
    border: 1px solid var(--color-slate-light);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-teal);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px var(--color-teal-light);
}

.form-note {
    font-size: 0.8125rem;
    color: var(--color-slate-light);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.form-success {
    text-align: center;
    padding: var(--spacing-md);
}

.form-success svg {
    color: var(--color-teal);
    margin: 0 auto var(--spacing-sm);
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-slate-dark);
}

.form-success p {
    color: var(--color-slate-medium);
}

/* Footer */
.footer {
    background-color: var(--color-slate-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-slate-light);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-slate-light);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-slate-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container,
    .about-container,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-image img {
        height: 400px;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image img,
    .hero-image img {
        height: 350px;
    }
    
    .about-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 250px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-sm);
    }
}