/* ====================================
   RESET & BASE STYLES
   ==================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}



:root {
    /* Colors */
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --charcoal: #2C2C2C;
    --medium-gray: #6E6E6E;
    --navy: #1D3557;
    --pastel-blue: #A8DADC;
    --nude-pink: #EAD7D1;
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-secondary);
    color: var(--charcoal);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

a {
    text-decoration: none;
    color: inherit;
}

::selection {
    background: var(--pastel-blue);
    color: var(--navy);
}

.german-nail-salon {
    overflow-x: hidden;
}

/* ====================================
   HEADER & NAVIGATION
   ==================================== */

.main-header {
    top: 0px;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.main-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--navy);
    cursor: pointer;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 45%;
    height: 2px;
    background: var(--navy);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--charcoal);
    position: relative;
    transition: color var(--transition-normal);
    padding: 0.3rem 0;
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--navy);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-item:hover {
    color: var(--navy);
}

.nav-item:hover::before {
    width: 100%;
}

.book-btn {
    background: var(--navy);
    color: var(--white);
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.book-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--charcoal);
    transition: left var(--transition-slow);
    z-index: -1;
}

.book-btn:hover::before {
    left: 0;
}

.book-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 53, 87, 0.25);
}

/* ====================================
   HERO SECTION
   ==================================== */

.hero {
    margin-top: 0;  /* Đổi thành 0 */
    min-height: auto;  /* Hoặc min-height: 80vh */
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 5rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: var(--space-xxl) 3rem;
}

.hero-content {
    max-width: 600px;
}


.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--charcoal);
    margin-bottom: var(--space-lg);
}

.hero-title strong {
    display: block;
    font-weight: 700;
    color: var(--navy);
    margin-top: 0.3rem;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--medium-gray);
    margin-bottom: var(--space-xl);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.primary-btn {
    background: var(--navy);
    color: var(--white);
    padding: 1.15rem 2.8rem;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--navy);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.primary-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: all var(--transition-slow);
    transform: translate(-50%, -50%);
}

.primary-btn:hover::before {
    width: 300px;
    height: 300px;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(29, 53, 87, 0.3);
}

.secondary-btn {
    background: transparent;
    color: var(--navy);
    padding: 1.15rem 2.8rem;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--navy);
    transition: all var(--transition-normal);
}

.secondary-btn:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(29, 53, 87, 0.2);
}

.hero-image {
      position: relative;
  display: inline-block;
}

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

.hero-image:hover img {
    transform: scale(1.05);
}

.hero-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: var(--white);
    padding: 2rem 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    text-align: center;
    min-width: 140px;
}

.badge-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1;
    font-family: var(--font-primary);
}

.badge-text {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--medium-gray);
    margin-top: 0.6rem;
}

/* ====================================
   SERVICES SECTION
   ==================================== */

.services {
    padding: var(--space-xxl) 3rem;
    background: var(--light-gray);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-xxl);
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--medium-gray);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--charcoal);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.section-description {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--medium-gray);
}

.services-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--white);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.service-image {
    position: relative;
    height: 320px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-duration {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--white);
    color: var(--navy);
    padding: 0.6rem 1.3rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.service-content {
    padding: 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-name {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--charcoal);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.service-desc {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--medium-gray);
    margin-bottom: var(--space-md);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: var(--space-lg);
}

.feature-tag {
    padding: 0.45rem 1.1rem;
    background: var(--nude-pink);
    color: var(--charcoal);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 20px;
}

.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--light-gray);
}

.service-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy);
    font-family: var(--font-primary);
}

.service-book {
    background: transparent;
    color: var(--navy);
    padding: 0.75rem 1.9rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--navy);
    transition: all var(--transition-normal);
}

.service-book:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateX(4px);
}

/* ====================================
   ABOUT SECTION
   ==================================== */

.about {
    padding: var(--space-xxl) 3rem;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    height: 650px;
}

.about-img-large {
    grid-row: span 2;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.about-img-large::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(29, 53, 87, 0.08));
    pointer-events: none;
}

.about-img-small {
    height: 100%;
    overflow: hidden;
}

.about-img-large img,
.about-img-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-img-large:hover img,
.about-img-small:hover img {
    transform: scale(1.08);
}

.about-content .section-label {
    text-align: left;
    margin-bottom: var(--space-md);
}

.about-content h2 {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 300;
    color: var(--charcoal);
    margin-bottom: var(--space-lg);
    line-height: 1.3;
}

.about-text {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--medium-gray);
    margin-bottom: var(--space-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--light-gray);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--navy);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--navy);
    font-family: var(--font-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ====================================
   TESTIMONIALS SECTION
   ==================================== */

.testimonials {
    padding: var(--space-xxl) 3rem;
    background: var(--light-gray);
}

.testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.testimonial-card {
    background: var(--white);
    padding: 3rem;
    position: relative;
    transition: all var(--transition-normal);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1.5rem;
    left: 2rem;
    font-size: 8rem;
    color: var(--pastel-blue);
    font-family: Georgia, serif;
    line-height: 1;
    opacity: 0.2;
    z-index: 0;
}

.testimonial-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-quote {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--charcoal);
    margin-bottom: var(--space-lg);
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--nude-pink);
    flex-shrink: 0;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 0.3rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}

.rating {
    color: var(--navy);
    font-size: 1rem;
    letter-spacing: 2px;
}

/* ====================================
   CTA SECTION
   ==================================== */

.cta {
    padding: var(--space-xxl) 3rem;
    background: var(--navy);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 218, 220, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    margin-bottom: var(--space-md);
}

.cta p {
    font-size: 1.15rem;
    line-height: 1.85;
    opacity: 0.95;
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.cta-btn-primary {
    background: var(--white);
    color: var(--navy);
    padding: 1.2rem 3rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--white);
    transition: all var(--transition-normal);
}

.cta-btn-primary:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.cta-btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 1.2rem 3rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--white);
    transition: all var(--transition-normal);
}

.cta-btn-secondary:hover {
    background: var(--white);
    color: var(--navy);
    transform: translateY(-3px);
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
}

.info-item svg {
    flex-shrink: 0;
}

/* ====================================
   FOOTER
   ==================================== */

.main-footer {
    background: var(--white);
    padding: var(--space-xxl) 3rem var(--space-lg);
}

.footer-content {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: var(--space-xl);
}

.footer-brand h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--navy);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--medium-gray);
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--charcoal);
    transition: all var(--transition-normal);
}

.social-icon:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-4px);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--charcoal);
    margin-bottom: var(--space-md);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.95rem;
    color: var(--medium-gray);
    transition: all var(--transition-normal);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--navy);
    transform: translateX(4px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

.contact-item svg {
    color: var(--navy);
    flex-shrink: 0;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.copyright {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.footer-links-bottom {
    display: flex;
    gap: 2rem;
}

.footer-links-bottom a {
    font-size: 0.9rem;
    color: var(--medium-gray);
    transition: color var(--transition-normal);
}

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

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */

@media (max-width: 1200px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        height: 500px;
    }
    
    .about {
        gap: 4rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 992px) {
    .main-nav {
        padding: 1.5rem 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .about {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        height: 500px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    
    .testimonials-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .main-nav {
        padding: 1rem 1.5rem;
    }
    
    .hero {
        padding: var(--space-xl) 1.5rem;
        margin-top: 72px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
        text-align: center;
    }
    
    .services,
    .about,
    .testimonials,
    .cta {
        padding: var(--space-xl) 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-images {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .about-img-large,
    .about-img-small {
        height: 300px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .testimonial-card {
        padding: 2rem 1.5rem;
    }