/* ===================================
   LJT PAYSAGE - STYLES PREMIUM
   Esthétique Cheval Blanc Paris
   =================================== */

:root {
    /* Color Palette */
    --color-primary: #1a4d2e;
    --color-primary-light: #2d5a3d;
    --color-primary-dark: #0f3620;
    --color-secondary: #faf8f3;
    --color-accent: #d4a574;
    --color-accent-dark: #b8915f;
    --color-neutral: #5d4e37;
    --color-text: #2c2c2c;
    --color-text-light: #6b6b6b;
    --color-border: #e8e6e1;
    --color-white: #ffffff;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* ===================================
   RESET & BASE
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    flex: 0 0 auto;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.5px;
    color: var(--color-primary-dark);
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
    flex: 1 0 auto;
    justify-content: center;
}

.nav-link {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-light);
    text-transform: capitalize;
    position: relative;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
}

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

.cta-button {
    flex: 0 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.cta-button:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a4d2e 0%, #2d5a3d 50%, #3d6b4a 100%);
    z-index: -1;
    animation: fadeIn 0.8s ease-out;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    padding: var(--spacing-lg);
    animation: slideUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-2xl);
    font-weight: 300;
    letter-spacing: 0.5px;
}

.cta-large {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 16px;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.cta-large:hover {
    background-color: #e6b580;
    transform: translateY(-3px);
}

/* ===================================
   NARRATIVE SECTIONS
   =================================== */

.narrative-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-3xl);
    padding: var(--spacing-3xl) var(--spacing-xl);
    max-width: 1440px;
    margin: 0 auto;
}

.narrative-left {
    direction: ltr;
}

.narrative-right {
    direction: rtl;
}

.narrative-right > * {
    direction: ltr;
}

.narrative-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.narrative-content h2 {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.narrative-content p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.accent-text {
    font-style: italic;
    color: var(--color-accent-dark);
    font-weight: 400;
}

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

.services {
    background-color: var(--color-secondary);
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.services-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

.services-header h2 {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.services-header p {
    font-size: 16px;
    color: var(--color-text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1440px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-base);
    animation: fadeIn 0.6s ease-out both;
}

.service-card:nth-child(1) { animation-delay: 0s; }
.service-card:nth-child(2) { animation-delay: 0.1s; }
.service-card:nth-child(3) { animation-delay: 0.2s; }
.service-card:nth-child(4) { animation-delay: 0.3s; }
.service-card:nth-child(5) { animation-delay: 0.4s; }
.service-card:nth-child(6) { animation-delay: 0.5s; }

.service-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 32px rgba(26, 77, 46, 0.08);
    transform: translateY(-4px);
}

.service-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   EXPERTISE SECTION
   =================================== */

.expertise {
    padding: var(--spacing-3xl) var(--spacing-xl);
    max-width: 1440px;
    margin: 0 auto;
}

.expertise-content h2 {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.expertise-content > p {
    text-align: center;
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.expertise-item {
    padding: var(--spacing-lg);
    border-left: 3px solid var(--color-accent);
    animation: slideUp 0.6s ease-out both;
}

.expertise-item:nth-child(1) { animation-delay: 0s; }
.expertise-item:nth-child(2) { animation-delay: 0.1s; }
.expertise-item:nth-child(3) { animation-delay: 0.2s; }
.expertise-item:nth-child(4) { animation-delay: 0.3s; }

.expertise-item h4 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.expertise-item p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact {
    background: linear-gradient(135deg, #1a4d2e 0%, #2d5a3d 100%);
    padding: var(--spacing-3xl) var(--spacing-xl);
    color: var(--color-white);
}

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

.contact h2 {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 500;
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.info-item {
    margin-bottom: var(--spacing-lg);
}

.info-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

.info-value {
    display: block;
    font-size: 18px;
    font-weight: 400;
    color: var(--color-accent);
    transition: color var(--transition-base);
}

.info-value:hover {
    color: #e6b580;
}

.hours {
    font-size: 16px;
    line-height: 1.8;
}

.hour-row {
    display: flex;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.9);
}

.contact-form {
    display: grid;
    gap: var(--spacing-lg);
}

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

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 14px;
    transition: all var(--transition-base);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.08);
}

.contact-form button {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    margin-top: var(--spacing-sm);
}

.contact-form button:hover {
    background-color: #e6b580;
    transform: translateY(-2px);
}

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

.footer {
    background-color: #0f3620;
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content p {
    font-size: 14px;
    margin: var(--spacing-sm) 0;
}

.footer-info {
    color: var(--color-accent);
    font-weight: 400;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpStagger {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    .header-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav {
        display: none;
        gap: var(--spacing-lg);
    }

    .logo-text {
        font-size: 18px;
    }

    .cta-button {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 12px;
    }

    .hero-title {
        font-size: clamp(32px, 7vw, 48px);
        margin-bottom: var(--spacing-lg);
    }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: var(--spacing-xl);
    }

    .narrative-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .narrative-right {
        direction: ltr;
    }

    .narrative-content h2 {
        font-size: 28px;
    }

    .services-header h2 {
        font-size: 32px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .expertise-content h2 {
        font-size: 32px;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

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

    .contact h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-lg: 1rem;
        --spacing-2xl: 1.5rem;
    }

    .header-container {
        padding: var(--spacing-md) var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .logo-text {
        font-size: 16px;
    }

    .cta-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .narrative-content h2 {
        font-size: 22px;
    }

    .narrative-content p {
        font-size: 14px;
    }

    .service-card {
        padding: var(--spacing-lg);
    }

    .service-card h3 {
        font-size: 18px;
    }

    .service-icon {
        font-size: 28px;
    }
}