/* ===== VARIABLES CSS ===== */
:root {
    --blue: #5DADE2;
    --green: #58D68D;
    --orange: #F39C12;
    --white: #FFFFFF;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --gray: #e0e0e0;
    --gray-dark: #495057;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 15px;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Poppins', var(--font-primary);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-mode: true;
    }
}

[data-theme="dark"] {
    --white: #1a1a1a;
    --light: #2d2d2d;
    --gray: #444;
    --dark: #f8f9fa;
    --gray-dark: #adb5bd;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font-primary);
    font-size: clamp(0.95rem, 2.5vw, 1rem);
    font-weight: 400;
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

h1, h2, h3, h4 { 
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 8vw, 4rem); }
h2 { font-size: clamp(1.8rem, 5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.4rem); }

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, var(--blue) 0%, #4A9BD9 100%);
    color: var(--white);
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    gap: 1rem;
    position: relative;
}

/* ===== HAMBURGER MENU - CORRIGE ===== */
.hamburger {
    display: none;
    width: 30px;
    height: 25px;
    cursor: pointer;
    background: none;
    border: none;
    position: relative;
    z-index: 1001;
}
.alert-success {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--green);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    opacity: 0;
    /* animation: fadeInOut 3s ease forwards; */
    z-index: 10000;
}
@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-20px); }
    10% { opacity: 1; transform: translateY(0); }
    90% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-20px); }
}

.hamburger i {
    font-size: 1.2rem;
    color: var(--white);
    transition: var(--transition);
}

.hamburger:hover i {
    color: var(--orange);
    transform: scale(1.1);
}


.hamburger:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.5);
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
    transform-origin: center;
}

.hamburger.active {
    background: rgba(255,255,255,0.3);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

.logo {
    font-size: clamp(1.2rem, 3.5vw, 1.6rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

/* ===== NAVIGATION ===== */
.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(1.2rem, 2.5vw, 2rem);
    align-items: center;
    transition: var(--transition);
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--orange);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--green));
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

/* ===== BOUTONS ===== */
.btn {
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange) 0%, #e67e22 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(243, 156, 18, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--green) 0%, #4ac76a 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(88, 214, 141, 0.4);
}

.btn-light {
    background: rgba(255,255,255,0.9);
    color: var(--blue);
    border: 2px solid rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
}

.btn-light:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-block {
    width: 100%;
}

/* ===== MAIN ===== */
main {
    margin-top: -32px;
    min-height: calc(100vh - 180px);
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    color: var(--blue);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--blue) 0%, var(--green) 50%, var(--orange) 100%);
    color: var(--white);
    padding: clamp(8rem, 18vh, 12rem) 0 6rem;
    overflow: hidden;
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(243,156,18,0.2) 0%, transparent 50%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: 
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='nonzero'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM17 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm-5-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM12 13v-2h-4v2H0v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
    animation: float 15s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    animation: slideUp 1s ease-out;
}

.hero h1 {
    text-shadow: 0 4px 12px rgba(0,0,0,0.3);
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== CARDS - CORRIGEES ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
    margin: 3rem 0;
}

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

/* CARD IMAGE - CORRIGE */
.card-image {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--blue), var(--green));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

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

/* Fallback pour les cartes sans image (emoji) */
.card-image:not(:has(img)) {
    font-size: clamp(2.5rem, 8vw, 4rem);
    color: var(--white);
    min-height: 180px;
}

.card.domain .card-image {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
}

.card-content {
    padding: clamp(1.5rem, 3vw, 2rem);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card h3 {
    color: var(--blue);
    margin-bottom: 0.75rem;
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
}

.card p {
    color: var(--gray-dark);
    font-size: 0.95rem;
    flex-grow: 1;
    line-height: 1.6;
}

.card-meta {
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 1rem;
    font-weight: 500;
}

/* ===== À PROPOS ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 3rem);
    margin-top: clamp(2rem, 5vw, 3rem);
}

.about-section h3 {
    color: var(--blue);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.values-list {
    list-style: none;
}

.values-list li {
    padding: clamp(0.6rem, 1.5vw, 0.8rem) 0;
    border-left: 3px solid var(--green);
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.values-list strong {
    color: var(--dark);
}

/* ===== NEWS / CTA / CONTACT ===== */
.news-image { 
    background: linear-gradient(135deg, var(--blue), var(--orange)) !important;
}

.cta-image { 
    background: linear-gradient(135deg, var(--green), var(--orange)) !important;
}

.cta-grid, .contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(1.5rem, 3vw, 2rem);
    margin-top: clamp(2rem, 5vw, 3rem);
}

.cta-card {
    padding: clamp(1.5rem, 3vw, 2rem);
    background: var(--light);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

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

.cta-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.cta-card:nth-child(1) h3 { color: var(--blue); }
.cta-card:nth-child(2) h3 { color: var(--green); }
.cta-card:nth-child(3) h3 { color: var(--orange); }

/* ===== FORM ===== */
.form-group {
    margin-bottom: clamp(1.2rem, 2.5vw, 1.5rem);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9rem;
}

input, textarea, select {
    width: 100%;
    padding: clamp(0.7rem, 1.5vw, 0.9rem);
    border: 2px solid var(--gray);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(93, 173, 226, 0.15);
    transform: translateY(-1px);
}

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

/* ===== FOOTER ===== */
footer {
    background: var(--dark);
    color: var(--white);
    padding: clamp(2.5rem, 6vw, 3.5rem) 0 clamp(1.2rem, 3vw, 1.5rem);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.footer-section h4 {
    margin-bottom: 1.2rem;
    color: var(--orange);
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.6rem;
}

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: var(--orange);
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blue), var(--green));
    color: var(--white);
    border-radius: 10px;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-hover);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--light);
}

/* ===== RESPONSIVE - TABLET ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* ===== RESPONSIVE - MOBILE ===== */
@media (max-width: 768px) {
    /* Hamburger visible */
    .hamburger {
        display: flex !important;
    }

    /* Hide desktop nav actions */
    .nav-actions {
        display: none;
    }

    .navbar {
        padding: 0.75rem 1rem;
        flex-wrap: nowrap;
    }

    .logo {
        order: 1;
        z-index: 1002;
        font-size: 1.1rem;
    }

    /* Mobile menu overlay - FULL SCREEN */
.nav-menu {
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(26,26,26,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1rem;
        padding: 2rem;
        transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 999;
        box-shadow: 5px 0 30px rgba(0,0,0,0.5);
    }


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


    .nav-menu li {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
        margin: 0.5rem 0;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    /* Staggered animation for menu items */
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }

    .nav-menu a {
        font-size: 1.4rem;
        font-weight: 600;
        padding: 1rem 2rem;
        display: block;
        text-align: center;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover {
        color: var(--orange);
        transform: scale(1.05);
    }

    .hero {
        padding: 7rem 0 4rem;
        text-align: center;
        min-height: auto;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card-image {
        aspect-ratio: 16/9;
    }

    .section {
        padding: 3rem 0;
    }

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

/* ===== RESPONSIVE - DESKTOP ===== */
@media (min-width: 769px) {
    .nav-actions {
        display: flex !important;
        align-items: center;
        gap: 0.75rem;
    }

    .hamburger {
        display: none !important;
    }

    .nav-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        flex-direction: row;
        padding: 0;
    }

    .nav-menu li {
        opacity: 1;
        transform: none;
        margin: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section-title {
        margin-bottom: 2rem;
    }

    .navbar {
        padding: 0.6rem 0.8rem;
    }

    .nav-menu a {
        font-size: 1.2rem;
    }

    .hamburger {
        width: 36px;
        height: 36px;
        padding: 6px;
    }

    .hamburger span {
        width: 20px;
        height: 2px;
    }
}

/* ===== UTILITAIRES ===== */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 3rem; }
.p-4 { padding: 3rem; }
.bg-light { background: var(--light); }
.rounded { border-radius: var(--border-radius); }

/* ===== SCROLL ANIMATIONS ===== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== OVERLAY FOR MOBILE MENU ===== */
.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

@media (min-width: 769px) {
    .menu-overlay {
        display: none !important;
    }
}