/* Variables CSS - Charte graphique ARiOS Studio */
:root {
    /* Couleurs principales */
    --color-skobeloff: #057578;
    --color-rich-black: #033838;
    --color-golden-brown: #945717;
    --color-eerie-black: #1A1C21;
    --color-seashell: #FDF5EE;
    
    /* Couleurs secondaires */
    --color-turquoise: #4ECDC4;
    --color-light-teal: #7DD3D0;
    --color-dark-teal: #024647;
    
    /* Typographies */
    --font-heading: 'DM Sans', sans-serif;
    --font-subheading: 'Sree Krushnadevaraya', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(3, 56, 56, 0.1);
    --shadow-md: 0 4px 6px rgba(3, 56, 56, 0.1);
    --shadow-lg: 0 10px 15px rgba(3, 56, 56, 0.1);
    --shadow-xl: 0 20px 25px rgba(3, 56, 56, 0.15);
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-eerie-black);
    background-color: var(--color-seashell);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-family: var(--font-heading);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 400;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Language Selector */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: rgba(253, 245, 238, 0.9);
    padding: 8px 15px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.lang-link {
    color: var(--color-eerie-black);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    padding: 0 5px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

.lang-link:hover {
    color: var(--color-skobeloff);
}

.lang-link.active {
    color: var(--color-skobeloff);
    font-weight: 600;
    cursor: default;
}

.lang-separator {
    color: var(--color-eerie-black);
    opacity: 0.3;
    margin: 0 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(253, 245, 238, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-svg {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-menu a {
    color: var(--color-eerie-black);
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-skobeloff);
    transition: var(--transition-base);
}

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

.cta-button {
    background: var(--color-skobeloff);
    color: var(--color-seashell) !important;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: 25px;
    font-weight: 600;
}

.cta-button:hover {
    background: var(--color-dark-teal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-eerie-black);
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-seashell) 0%, rgba(5, 117, 120, 0.05) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    color: var(--color-eerie-black);
}

.hero-title .accent {
    color: var(--color-skobeloff);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-rich-black);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition-base);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-skobeloff);
    color: var(--color-seashell);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-skobeloff);
    border-color: var(--color-skobeloff);
}

.btn-secondary:hover {
    background: var(--color-skobeloff);
    color: var(--color-seashell);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Pattern decoratif */
.pattern-container {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    opacity: 0.1;
    background: repeating-linear-gradient(
        45deg,
        var(--color-skobeloff),
        var(--color-skobeloff) 10px,
        transparent 10px,
        transparent 20px
    );
    border-radius: 50%;
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-rich-black);
    font-family: var(--font-body);
    font-weight: 400;
    margin-top: -0.5rem;
    opacity: 0.8;
}

/* Services */
.services {
    background: white;
}

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

.service-card {
    padding: var(--spacing-xl);
    background: var(--color-seashell);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-skobeloff), var(--color-turquoise));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-skobeloff);
}

.service-icon .icon {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    color: var(--color-eerie-black);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--color-rich-black);
    line-height: 1.8;
}

/* Expertise */
.expertise {
    background: linear-gradient(135deg, rgba(5, 117, 120, 0.05) 0%, var(--color-seashell) 100%);
}

.expertise-content {
    max-width: 1000px;
    margin: 0 auto;
}

.expertise-text {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.expertise-text h2 {
    margin-bottom: var(--spacing-lg);
}

.expertise-text .lead {
    font-size: 1.25rem;
    color: var(--color-rich-black);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.expertise-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.point {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
}

.point:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.point-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--color-golden-brown);
    color: var(--color-seashell);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto var(--spacing-md);
}

.point-content h4 {
    color: var(--color-eerie-black);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.point-content p {
    color: var(--color-rich-black);
    line-height: 1.6;
}

.expertise-visual {
    display: none;
}

.visual-element {
    display: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Valeurs */
.valeurs {
    background: white;
}

.valeurs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.valeur-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.valeur-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(5, 117, 120, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-valeur {
    width: 40px;
    height: 40px;
    color: var(--color-skobeloff);
    stroke-width: 2;
}

.valeur-card h3 {
    color: var(--color-eerie-black);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
}

.valeur-card p {
    color: var(--color-rich-black);
}

/* CTA Section */
.cta-section {
    background: var(--color-rich-black);
    color: var(--color-seashell);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-content h2 {
    color: var(--color-seashell);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-section .btn-primary {
    background: var(--color-skobeloff);
    color: var(--color-seashell);
}

.cta-section .btn-primary:hover {
    background: var(--color-golden-brown);
    color: var(--color-seashell);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* Contact */
.contact {
    background: var(--color-seashell);
}

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

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-rich-black);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-skobeloff);
}

/* Form */
.contact-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-eerie-black);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid rgba(5, 117, 120, 0.2);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
    background: var(--color-seashell);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-skobeloff);
    background: white;
}

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

/* Form status messages */
.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 10px;
    font-size: 0.95rem;
    text-align: center;
    display: none;
}

.form-status.success {
    background: rgba(5, 117, 120, 0.1);
    color: var(--color-skobeloff);
    border: 1px solid var(--color-skobeloff);
    display: block;
}

.form-status.error {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    border: 1px solid #dc2626;
    display: block;
}

/* Footer */
.footer {
    background: var(--color-eerie-black);
    color: var(--color-seashell);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-brand {
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
}

.footer-tagline {
    font-style: italic;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-links a {
    color: var(--color-seashell);
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-turquoise);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(253, 245, 238, 0.1);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .language-selector {
        top: 10px;
        right: 10px;
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-seashell);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

    .pattern-container {
        display: none;
    }
}