/* ============================================
   Aurica Circular - Thème GRAV
   Économie Circulaire Taiwan
   ============================================ */

:root {
    /* Couleurs principales - Charte Aurica Circular */
    --color-primary: #3E8E7E;      /* Vert Aurica */
    --color-secondary: #1E3D59;    /* Bleu Aurica */
    --color-accent: #E9E3D5;       /* Beige Aurica */
    --color-text: #1B1B1B;         /* Noir Aurica */
    --color-text-light: #666666;
    --color-background: #E9E3D5;
    --color-background-alt: #E9E3D5;
    --color-border: #e0e0e0;
    
    /* Typographie - Fonts Aurica */
    --font-primary: 'Philosopher', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Philosopher', Georgia, serif;
    --font-chinese: 'Source Serif Pro', serif;
    --font-logo: 'Zapfino', cursive;  /* UNIQUEMENT pour majuscules logo */
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Container */
    --container-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ============================================
   Fonts Import - Local
   ============================================ */

/* Philosopher - Regular */
@font-face {
  font-family: 'Philosopher';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/philosopher-v21-latin_latin-ext-regular.woff2') format('woff2');
}

/* Philosopher - Italic */
@font-face {
  font-family: 'Philosopher';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/philosopher-v21-latin_latin-ext-italic.woff2') format('woff2');
}

/* Philosopher - Bold */
@font-face {
  font-family: 'Philosopher';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/philosopher-v21-latin_latin-ext-700.woff2') format('woff2');
}

/* Philosopher - Bold Italic */
@font-face {
  font-family: 'Philosopher';
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/philosopher-v21-latin_latin-ext-700italic.woff2') format('woff2');
}

/* Zapfino - Logo uniquement */
@font-face {
  font-family: 'Zapfino';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ZapfinoExtraLTPro.woff2') format('woff2'),
       url('../fonts/ZapfinoExtraLTPro.woff') format('woff');
}

/* Source Serif 4 - Successeur de Source Serif Pro (local) */
@font-face {
  font-family: 'Source Serif Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/source-serif-4-v14-latin_latin-ext-regular.woff2') format('woff2');
}

/* Alias pour compatibilité - Source Serif 4 utilise aussi le nom moderne */
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/source-serif-4-v14-latin_latin-ext-regular.woff2') format('woff2');
}

/* ============================================
   Reset & Base
   ============================================ */

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

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-primary);
    letter-spacing: 0.5px;
}

.logo-text .uppercase {
    font-family: var(--font-logo);
    font-size: 1.1rem;
}

.logo-text .chinese {
    font-family: var(--font-chinese);
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs);
}

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

/* Language Selector */
.language-selector {
    display: flex;
    gap: var(--spacing-xs);
}

.lang-link {
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.lang-link.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* ============================================
   Main Content
   ============================================ */

.site-content {
    min-height: 70vh;
    padding: var(--spacing-lg) 0;
}

/* Page content wrapper - Services, Contact, etc. */
.page-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-lg);
}

.page-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

/* Form page - wider container */
.form-page {
    max-width: 800px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* Markdown content wrapper */
.markdown-content {
    max-width: 900px;
}
.markdown-content ul {
    margin: 0 0 var(--spacing-sm) 1.25rem;
    padding: 0;
    list-style: disc;
}
.markdown-content ol {
    margin: 0 0 var(--spacing-sm) 1.25rem;
    padding: 0;
    list-style: decimal;
}
.markdown-content li {
    margin-bottom: 0.4rem;
}
.markdown-content h2, .markdown-content h3 {
    margin-top: var(--spacing-md);
}
.markdown-content a {
    color: var(--color-primary);
    text-decoration: underline;
}
.markdown-content a:hover {
    color: var(--color-secondary);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

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

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-text);
}

.btn-secondary:hover {
    background-color: #e69500;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ============================================
   Home Page
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

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

.service-card {
    background-color: var(--color-background-alt);
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.cta-section {
    background-color: var(--color-background-alt);
    padding: var(--spacing-xl) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form-wrapper {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 134, 89, 0.1);
}

/* Styles formulaire GRAV */
form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-secondary);
}

form input[type="text"],
form input[type="email"],
form input[type="tel"],
form select,
form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: white;
}

form input:focus,
form select:focus,
form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(62, 142, 126, 0.1);
}

form .form-field {
    margin-bottom: var(--spacing-md);
}

form button[type="submit"],
form input[type="submit"] {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

form button[type="submit"]:hover,
form input[type="submit"]:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

form .required {
    color: #e74c3c;
}

form .form-message {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
}

form .form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

form .form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}