/* ========================================
   California Nails Design - Stylesheet
   Classic & Elegant Design System
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-200: #99f6e4;
    --color-teal-300: #5eead4;
    --color-teal-400: #2dd4bf;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-teal-800: #115e59;
    --color-teal-900: #134e4a;
    
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    
    --color-cream: #faf9f6;
    --color-gold: #c9a962;
    --color-gold-light: #e8d5a8;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Segoe UI', system-ui, sans-serif;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-slate-800);
    background-color: var(--color-cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-teal-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-teal-700);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-slate-900);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    border-radius: var(--border-radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-teal-600);
    color: #ffffff;
    border-color: var(--color-teal-600);
}

.btn-primary:hover {
    background-color: var(--color-teal-700);
    border-color: var(--color-teal-700);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: var(--color-teal-700);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Section Headers */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-teal-600);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-slate-900);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-slate-600);
    max-width: 600px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-slate-200);
    transition: all var(--transition-base);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-slate-900);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-teal-600);
    font-style: italic;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-600);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-teal-600);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-teal-600);
}

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

.nav-cta {
    background-color: var(--color-teal-600);
    color: #ffffff !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background-color: var(--color-teal-700);
    color: #ffffff !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--color-slate-700);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background-color: var(--color-cream);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

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

.close-menu-btn {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-slate-700);
    padding: var(--spacing-sm);
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-slate-800);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--color-teal-600);
}

.mobile-cta {
    margin-top: var(--spacing-xl);
    background-color: var(--color-teal-600);
    color: #ffffff;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius-md);
    font-size: 1.125rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, 
        var(--color-teal-800) 0%, 
        var(--color-teal-600) 25%, 
        var(--color-slate-700) 50%, 
        var(--color-teal-700) 75%, 
        var(--color-slate-800) 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(20, 184, 166, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(148, 163, 184, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(201, 169, 98, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-lg);
}

.hero-headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    line-height: 1.15;
}

.hero-headline em {
    font-style: italic;
    color: var(--color-gold-light);
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-slate-200);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-slate-300);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

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

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-cream);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: #ffffff;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--color-slate-200);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-teal-200);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-teal-50);
    border-radius: var(--border-radius-md);
    color: var(--color-teal-600);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-slate-900);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-slate-600);
    line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-slate-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

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

.about-accent-box {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background-color: var(--color-teal-600);
    color: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.accent-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
}

.accent-text {
    font-size: 0.875rem;
    color: var(--color-teal-100);
    margin-top: var(--spacing-xs);
}

.about-text .section-title {
    text-align: left;
}

.about-paragraph {
    font-size: 1.0625rem;
    color: var(--color-slate-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-700);
}

.feature-item svg {
    color: var(--color-teal-600);
    flex-shrink: 0;
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-cream);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-overlay span {
    color: #ffffff;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
}

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

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

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-teal-700);
}

.testimonials .section-eyebrow {
    color: var(--color-teal-200);
}

.testimonials .section-title {
    color: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.testimonial-quote {
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-slate-100);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-teal-100);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-4xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-teal-50);
    border-radius: var(--border-radius-md);
    color: var(--color-teal-600);
    flex-shrink: 0;
}

.contact-details h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    font-size: 0.9375rem;
    color: var(--color-slate-600);
    line-height: 1.6;
}

.contact-details a {
    color: var(--color-teal-600);
    text-decoration: none;
}

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

/* Contact Form */
.contact-form-wrapper {
    background-color: #ffffff;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--color-slate-200);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-slate-800);
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-teal-400);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-teal-50);
    border: 1px solid var(--color-teal-200);
    border-radius: var(--border-radius-md);
    color: var(--color-teal-700);
    font-size: 0.9375rem;
    margin-top: var(--spacing-md);
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--color-teal-600);
    flex-shrink: 0;
}

/* Map */
.map-wrapper {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-slate-900);
    color: var(--color-slate-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.footer-logo span {
    color: var(--color-teal-400);
    font-style: italic;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-slate-400);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-slate-200);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-slate-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-teal-400);
}

.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-slate-400);
}

.footer-contact a {
    color: var(--color-teal-400);
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid var(--color-slate-800);
    padding-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-slate-500);
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .about-content {
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-headline {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-accent-box {
        bottom: -16px;
        right: -16px;
        padding: var(--spacing-lg);
    }
    
    .about-text .section-title {
        text-align: center;
    }
    
    .about-paragraph {
        text-align: center;
    }
    
    .about-features {
        justify-items: center;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
}