/* ============================================
   Karen's Personal Touch Hair Design
   Classic & Elegant Style
   Teal + Slate Grey Palette
   ============================================ */

/* CSS Custom Properties */
:root {
    --teal-900: #0d3b3e;
    --teal-800: #134b4f;
    --teal-700: #1a5c60;
    --teal-600: #216d71;
    --teal-500: #2a8a8e;
    --teal-400: #4a9e9f;
    --teal-300: #7fb8b9;
    --teal-200: #b3d4d5;
    --teal-100: #d9eaea;
    --teal-50: #edf5f5;
    
    --slate-950: #0c1522;
    --slate-900: #1a2332;
    --slate-800: #243447;
    --slate-700: #2f4558;
    --slate-600: #4a6274;
    --slate-500: #647e8e;
    --slate-400: #8fa5b4;
    --slate-300: #b4c4cf;
    --slate-200: #d4dfe6;
    --slate-100: #eaf0f4;
    --slate-50: #f5f8fa;
    
    --cream: #faf9f7;
    --warm-white: #fefdfb;
    
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(13, 59, 62, 0.08);
    --shadow-md: 0 4px 12px rgba(13, 59, 62, 0.1);
    --shadow-lg: 0 8px 30px rgba(13, 59, 62, 0.12);
    --shadow-xl: 0 12px 40px rgba(13, 59, 62, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 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(--slate-800);
    background-color: var(--warm-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--teal-900);
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 600;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.125rem;
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--teal-700);
}

p {
    color: var(--slate-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.9375rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--teal-700);
    color: #ffffff;
    border-color: var(--teal-700);
}

.btn-primary:hover {
    background-color: var(--teal-800);
    border-color: var(--teal-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--teal-800);
    border-color: var(--teal-700);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Section Tags */
.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 12px;
    position: relative;
    padding-left: 32px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 2px;
    background-color: var(--teal-500);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(254, 253, 251, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--slate-100);
    transition: var(--transition);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--teal-900);
    letter-spacing: -0.01em;
}

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

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

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--slate-700);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--teal-900);
    padding: 8px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    background: linear-gradient(135deg, var(--teal-50) 0%, var(--warm-white) 50%, var(--slate-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, var(--teal-100) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

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

.hero-content {
    max-width: 540px;
}

.hero-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 24px;
    padding: 8px 16px;
    background-color: rgba(42, 138, 142, 0.1);
    border-radius: 2px;
}

.hero h1 {
    margin-bottom: 24px;
    color: var(--teal-900);
}

.hero h1 em {
    font-style: italic;
    color: var(--teal-600);
}

.hero p {
    font-size: 1.1875rem;
    line-height: 1.8;
    margin-bottom: 36px;
    color: var(--slate-600);
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: var(--shadow-xl);
}

.hero-image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--teal-400);
    border-radius: 4px;
    z-index: -1;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--teal-500);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 100px 0;
    background-color: var(--warm-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px 32px;
    background-color: #ffffff;
    border-radius: 4px;
    border: 1px solid var(--slate-100);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--teal-200);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--teal-50);
    border-radius: 4px;
    color: var(--teal-700);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--teal-700);
    color: #ffffff;
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.service-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 100px 0;
    background-color: var(--teal-50);
}

.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: 600px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
}

.about-experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background-color: var(--teal-700);
    color: #ffffff;
    padding: 28px 32px;
    border-radius: 4px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about-experience .experience-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 4px;
}

.about-experience .experience-text {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content > p {
    margin-bottom: 16px;
    font-size: 1.0625rem;
}

.about-features {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--slate-700);
}

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

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    padding: 100px 0;
    background-color: var(--warm-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 59, 62, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

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

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

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

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: 100px 0;
    background-color: var(--teal-900);
}

.testimonials .section-tag {
    color: var(--teal-300);
}

.testimonials .section-tag::before {
    background-color: var(--teal-400);
}

.testimonials h2 {
    color: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 40px 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.testimonial-quote {
    color: var(--teal-400);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name {
    font-weight: 700;
    color: #ffffff;
    font-size: 0.9375rem;
}

.author-location {
    font-size: 0.8125rem;
    color: var(--teal-300);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 100px 0;
    background-color: var(--warm-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--teal-50);
    border-radius: 4px;
    color: var(--teal-700);
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 4px;
    color: var(--teal-800);
}

.contact-item p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.contact-item a {
    color: var(--teal-600);
}

.contact-item a:hover {
    color: var(--teal-800);
    text-decoration: underline;
}

.contact-form-wrapper {
    background-color: #ffffff;
    border: 1px solid var(--slate-100);
    border-radius: 4px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--slate-700);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--slate-200);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--slate-800);
    background-color: var(--slate-50);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(42, 138, 142, 0.1);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background-color: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: 4px;
    color: var(--teal-800);
    font-weight: 600;
}

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

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

/* ============================================
   Map Section
   ============================================ */
.map-section {
    height: 350px;
    background-color: var(--slate-200);
}

.map-section iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(30%) contrast(1.1);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--slate-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Mobile Menu
   ============================================ */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(254, 253, 251, 0.98);
    backdrop-filter: blur(10px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--slate-100);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content {
        order: 2;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-image img {
        height: 400px;
    }
    
    .hero-image-accent {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-wrapper {
        order: -1;
    }
    
    .about-image-wrapper img {
        height: 400px;
    }
    
    .about-experience {
        right: 10px;
        bottom: -20px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item img {
        height: 250px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 300px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}