/* ================================
   CSS Variables - Color Palette from Logo
   ================================ */
:root {
    /* Primary Colors */
    --color-primary-orange: #D97444;
    --color-primary-green: #2EAE5F;

    /* Secondary Colors */
    --color-orange-light: #E69463;
    --color-orange-dark: #C55F2F;
    --color-green-light: #3FBF70;
    --color-green-dark: #258F4D;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-background: #FFFFFF;
    --color-background-alt: #F9FAFB;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Layout */
    --container-max-width: 1280px;
    --header-height: 80px;
    --sidebar-width: 320px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ================================
   Reset & Base Styles
   ================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Lists */
ul, ol {
    list-style: none;
}

/* ================================
   Header
   ================================ */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.header-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

/* Social Navigation */
.social-nav {
    display: flex;
    gap: var(--spacing-md);
}

.social-nav a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: all var(--transition-base);
}

.social-nav a:hover {
    background-color: var(--color-primary-orange);
    color: var(--color-white);
    transform: translateY(-2px);
}

.social-nav a:first-child:hover {
    background-color: #1877F2;
}

.social-nav a:nth-child(2):hover {
    background-color: #000000;
}

/* Logo */
.logo-container {
    max-width: 280px;
}

.logo {
    width: 100%;
    height: auto;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.02);
}

/* Main Navigation */
.main-nav ul {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.main-nav a {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: 6px;
    transition: all var(--transition-base);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-orange), var(--color-primary-green));
    transition: width var(--transition-base);
}

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

.main-nav a:hover::after {
    width: 80%;
}

/* ================================
   Flash News
   ================================ */
.flash-news {
    background: linear-gradient(135deg, var(--color-primary-orange), var(--color-orange-dark));
    color: var(--color-white);
    overflow: hidden;
    position: relative;
}

.flash-news-container {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.flash-label {
    padding: 0 var(--spacing-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

.flash-ticker {
    flex: 1;
    overflow: hidden;
}

.flash-content {
    display: flex;
    animation: scrollNews 40s linear infinite;
    white-space: nowrap;
}

@keyframes scrollNews {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.flash-content::after {
    content: attr(data-content);
}

.flash-item {
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
}

.flash-separator {
    padding: 0 var(--spacing-md);
    opacity: 0.6;
}

/* Duplicate for seamless loop */
.flash-content::after {
    content: "🌱 Nouvelle tendance : Les jardins verticaux envahissent les balcons urbains • 🌿 Record de chaleur : Comment protéger vos plantes cet été • 🌸 Découverte botanique : Une nouvelle espèce d'orchidée identifiée en Amazonie • 🌻 Jardinage bio : Les ventes de semences biologiques en hausse de 35% •";
    padding-left: var(--spacing-md);
}

/* ================================
   Main Content Layout
   ================================ */
.main-content {
    padding: var(--spacing-xl) 0;
}

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

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.main-column {
    flex: 1;
}

/* ================================
   Ads
   ================================ */
.ad-banner-top {
    width: 100%;
    flex-basis: 100%;
    order: -1;
    margin: 0 0 var(--spacing-xl) 0;
}

.ad-banner,
.ad-inline,
.sidebar-ad {
    margin: var(--spacing-xl) 0;
}

.ad-placeholder {
    background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    text-align: center;
    color: var(--color-text-muted);
}

.ad-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-500);
}

.ad-placeholder p {
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ================================
   Filter Tags
   ================================ */
.filter-section {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background-color: var(--color-gray-100);
    border-radius: 20px;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.tag:hover {
    background-color: var(--color-gray-200);
    transform: translateY(-2px);
}

.tag.active {
    background: linear-gradient(135deg, var(--color-primary-green), var(--color-green-dark));
    color: var(--color-white);
    border-color: var(--color-green-dark);
}

/* ================================
   News Feed
   ================================ */
.news-feed {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xl) var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out;
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary-green);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--color-primary-orange);
}

/* News Item */
.news-item {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: start;
    transition: all var(--transition-base);
    animation: fadeIn 0.4s ease-out;
    animation-fill-mode: both;
    overflow: hidden;
}

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

.news-item:nth-child(1) { animation-delay: 0.05s; }
.news-item:nth-child(2) { animation-delay: 0.1s; }
.news-item:nth-child(3) { animation-delay: 0.15s; }
.news-item:nth-child(4) { animation-delay: 0.2s; }
.news-item:nth-child(5) { animation-delay: 0.25s; }

.news-item:hover {
    background-color: var(--color-gray-50);
    margin: 0 calc(-1 * var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    border-radius: 8px;
}

.news-time {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-orange);
    white-space: nowrap;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-50);
    border-radius: 4px;
}

.news-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    grid-column: 2;
}

.news-title a {
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.news-title a:hover {
    color: var(--color-primary-green);
}

.news-source {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
    white-space: nowrap;
}

/* ================================
   Pagination
   ================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
}

.pagination-btn,
.pagination-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.pagination-number {
    background-color: var(--color-white);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.pagination-number:hover:not(.active) {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-300);
    transform: translateY(-2px);
}

.pagination-number.active {
    background: linear-gradient(135deg, var(--color-primary-green), var(--color-green-dark));
    color: var(--color-white);
    border-color: var(--color-green-dark);
    box-shadow: var(--shadow-md);
}

.pagination-btn {
    background-color: var(--color-white);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--color-primary-green);
    color: var(--color-white);
    border-color: var(--color-green-dark);
}
.pagination-btn.disabled:hover {
    background-color: var(--color-white);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.pagination-btn:disabled,
.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-dots {
    color: var(--color-text-muted);
    padding: 0 var(--spacing-sm);
}

/* ================================
   Sidebar
   ================================ */
.sidebar {
    display: block;
    width: 100%;
}

.sidebar-sticky {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar-section {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeInRight 0.5s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary-orange);
}

.important-news {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.important-item {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.important-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.important-item:hover {
    transform: translateX(4px);
}

.important-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--color-primary-orange), var(--color-orange-dark));
    color: var(--color-white);
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.important-item h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.important-item h3 a {
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.important-item h3 a:hover {
    color: var(--color-primary-green);
}

.important-item time {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ================================
   Footer
   ================================ */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.footer-about {
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-700);
}

.footer-brand {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: linear-gradient(90deg, var(--color-primary-orange), var(--color-primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    color: var(--color-gray-400);
    text-align: justify;
}

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

.footer-column h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-orange), var(--color-primary-green));
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-column a:hover {
    color: var(--color-primary-green);
    transform: translateX(4px);
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-700);
    text-align: center;
}

.copyright {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ================================
   Scroll to Top Button
   ================================ */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary-green), var(--color-green-dark));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 90;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--color-primary-orange), var(--color-orange-dark));
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* ================================
   Tablet Responsive (768px+)
   ================================ */
@media (min-width: 768px) {
    .header-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .logo-container {
        max-width: 320px;
        order: -1;
    }

    .social-nav {
        order: 2;
    }

    .main-nav {
        order: 1;
        flex: 1;
        display: flex;
        justify-content: center;
    }

    .main-nav ul {
        gap: var(--spacing-md);
    }

    .flash-label {
        padding: 0 var(--spacing-xl);
    }

    .news-item {
        display: grid;
        grid-template-columns: auto 1fr auto;
    }

    .news-title {
        font-size: var(--font-size-lg);
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================
   Desktop Responsive (1024px+)
   ================================ */
@media (min-width: 1024px) {
    .content-wrapper {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-xl);
    }

    .main-column {
        flex: 1;
        min-width: 0;
        order: 0;
    }

    .sidebar {
        order: 1;
        width: var(--sidebar-width);
        flex-shrink: 0;
    }

    .sidebar-sticky {
        position: sticky;
        top: calc(var(--header-height) + var(--spacing-md));
    }

    .ad-placeholder {
        min-height: 140px;
    }

    .sidebar-ad .ad-placeholder {
        min-height: 280px;
    }
}

/* ================================
   Large Desktop (1280px+)
   ================================ */
@media (min-width: 1280px) {
    :root {
        --font-size-base: 1.0625rem;
        --font-size-lg: 1.1875rem;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }
}

/* ================================
   Print Styles
   ================================ */
@media print {
    .header,
    .flash-news,
    .filter-section,
    .pagination,
    .sidebar,
    .footer,
    .scroll-to-top,
    .ad-banner,
    .ad-inline,
    .sidebar-ad {
        display: none;
    }

    .news-feed {
        box-shadow: none;
    }
}

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

    .flash-content {
        animation: none;
    }
}

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

.contact-container {
    background-color: var(--color-white);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.contact-intro {
    margin-bottom: 2rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.contact-form {
    max-width: 600px;
}

.contact-form__group {
    margin-bottom: 1.5rem;
}

.contact-form__label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-gray-900);
    font-size: 0.95rem;
}

.contact-form__label .required {
    color: var(--color-primary-orange);
}

.contact-form__input,
.contact-form__textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form__input:focus,
.contact-form__textarea:focus {
    outline: none;
    border-color: var(--color-primary-green);
    box-shadow: 0 0 0 3px rgba(46, 174, 95, 0.1);
}

.contact-form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form__actions {
    margin-top: 1.5rem;
}

.contact-form__submit {
    background-color: var(--color-primary-green);
    color: var(--color-white);
    border: none;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.contact-form__submit:hover:not(:disabled) {
    background-color: #26954f;
    transform: translateY(-1px);
}

.contact-form__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.contact-form__message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 4px;
    font-weight: 500;
}

.contact-form__message--success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.contact-form__message--error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    white-space: pre-line;
}

.submit-loader {
    display: inline-block;
}

/* hCaptcha wrapper */
.h-captcha {
    margin: 1rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-container {
        padding: 1.5rem;
    }

    .contact-form__submit {
        width: 100%;
    }
}

/* ================================
   Dark Mode Support (Future)
   ================================ */
@media (prefers-color-scheme: dark) {
    /* Optionally add dark mode styles here */
}