/* ============================================
   DIVA'S NAIL & SPA — CLASSIC ELEGANT THEME
   Color Palette: Burgundy + Blush
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --burgundy: #722F37;
    --burgundy-deep: #5A252C;
    --burgundy-light: #8B3A42;
    --blush: #F5E6E0;
    --blush-light: #FBF3F0;
    --blush-dark: #E8CFC4;
    --cream: #FDF8F5;
    --charcoal: #2C2C2C;
    --text-dark: #1A1A1A;
    --text-body: #4A4A4A;
    --text-muted: #7A7A7A;
    --gold: #C9A96E;
    --gold-light: #D4BA8A;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(114, 47, 55, 0.06);
    --shadow-md: 0 8px 30px rgba(114, 47, 55, 0.10);
    --shadow-lg: 0 20px 60px rgba(114, 47, 55, 0.14);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: 'Cinzel', Georgia, serif;
    --font-sans: 'Lato', 'Segoe UI', sans-serif;
}

/* --- 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(--text-body);
    background-color: var(--cream);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* --- Typography --- */
.section-tag {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.25;
    margin-bottom: 20px;
}

.section-title em {
    font-style: italic;
    color: var(--burgundy);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.8;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--burgundy);
    border-color: var(--burgundy);
}

.btn-outline:hover {
    background: var(--burgundy);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--burgundy);
    color: var(--white);
    padding: 10px 24px;
    font-size: 0.8rem;
}

.btn-accent:hover {
    background: var(--burgundy-deep);
    color: var(--white);
}

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

.btn-outline-light:hover {
    background: var(--white);
    color: var(--burgundy);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 248, 245, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(114, 47, 55, 0.08);
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(253, 248, 245, 0.97);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
}

.logo-script {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.3rem;
    color: var(--burgundy);
    font-weight: 400;
}

.logo-serif {
    font-family: var(--font-serif);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-dark);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-body);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--burgundy);
    transition: width var(--transition);
}

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

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

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

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition);
    border-radius: 2px;
}

.mobile-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--cream) 0%, var(--blush-light) 50%, var(--blush) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, transparent 0%, var(--cream) 75%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    padding: 40px 0;
}

.hero-tagline {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-tagline::before {
    content: '';
    width: 40px;
    height: 1.5px;
    background: var(--burgundy);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero-title em {
    font-style: italic;
    color: var(--burgundy);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-trust span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.image-frame:hover img {
    transform: scale(1.03);
}

.floating-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--burgundy);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.badge-text {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* --- About Section --- */
.about {
    padding: 120px 0;
    background: var(--white);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.about-image-wrapper img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.about-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--blush-dark);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content .section-title {
    margin-top: 8px;
}

.about-text {
    color: var(--text-body);
    margin-bottom: 20px;
    font-size: 1.02rem;
}

.about-features {
    display: flex;
    gap: 32px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

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

.feature-item span {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dark);
}

/* --- Services Section --- */
.services {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--cream) 0%, var(--blush-light) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 60px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid rgba(114, 47, 55, 0.06);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--burgundy), var(--blush-dark));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blush-light);
    border-radius: 50%;
    color: var(--burgundy);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--burgundy);
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Gallery Section --- */
.gallery {
    padding: 120px 0;
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 60px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: auto;
}

.gallery-item:nth-child(1) { aspect-ratio: 4/5; }
.gallery-item:nth-child(2) { aspect-ratio: 1; }
.gallery-item:nth-child(3) { aspect-ratio: 4/5; }
.gallery-item:nth-child(4) { aspect-ratio: 1; }
.gallery-item:nth-child(5) { aspect-ratio: 4/5; }
.gallery-item:nth-child(6) { aspect-ratio: 1; }

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(114, 47, 55, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-overlay span {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--white);
    letter-spacing: 0.1em;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

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

/* --- CTA Section --- */
.cta {
    padding: 100px 0;
    background: var(--burgundy);
    position: relative;
    overflow: hidden;
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-light);
    margin-bottom: 16px;
    display: block;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 20px;
}

.cta-title em {
    font-style: italic;
    color: var(--blush);
}

.cta-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact {
    padding: 120px 0;
    background: var(--cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.info-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    transition: all var(--transition);
    border: 1px solid rgba(114, 47, 55, 0.06);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.info-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blush-light);
    border-radius: 50%;
    color: var(--burgundy);
}

.info-details h4 {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.info-details p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.info-details a {
    color: var(--burgundy);
}

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

.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(114, 47, 55, 0.06);
}

.contact-form-wrapper h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--blush-light);
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--burgundy);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(114, 47, 55, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    color: var(--burgundy);
    margin-bottom: 16px;
}

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- Footer --- */
.footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.6);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-script {
    color: var(--blush);
}

.footer-brand .logo-serif {
    color: rgba(255, 255, 255, 0.8);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--blush);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.88rem;
    margin-bottom: 8px;
    line-height: 1.6;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact a:hover {
    color: var(--blush);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--burgundy);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--burgundy-deep);
    transform: translateY(-4px);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(253, 248, 245, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(114, 47, 55, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition);
        pointer-events: none;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
        padding: 40px 0 20px;
    }
    
    .hero-tagline {
        justify-content: center;
    }
    
    .hero-description {
        margin: 0 auto 36px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-image {
        order: 1;
    }
    
    .image-frame img {
        height: 380px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}