/* ===== CHARTE GRAPHIQUE CALLITRIS ===== */
:root {
    --orange: #e67e22;
    --orange-light: #f39c12;
    --orange-soft: #d4a84b;
    --bleu-ciel: #5dade2;
    --bleu-ciel-dark: #3498db;
    --vert-fonce: #0b2b26;
    --vert-medium: #2e7d5e;
    --vert-clair: #edf3f0;
    --text-dark: #1e1e2a;
    --bg-light: #fafbfc;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.5;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== ANIMATIONS AU SCROLL ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* AJOUT de la classe fade-in-up manquante */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Délais d'animation */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ===== NAVIGATION ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    flex-wrap: wrap;
    border-bottom: 2px solid rgba(93, 173, 226, 0.2);
    position: relative;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.logo-text {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    color: var(--vert-fonce);
}

.logo-text span {
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--orange);
    margin-left: 4px;
}

/* Menu desktop */
.nav-links {
    display: flex;
    gap: 24px;
    font-weight: 500;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    transition: color 0.2s;
    font-weight: 600;
    font-size: 1rem;
    padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--bleu-ciel-dark);
    border-bottom: 2px solid var(--orange);
}

/* Menu burger (mobile) */
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--vert-fonce);
    color: var(--vert-fonce);
    font-size: 1.8rem;
    padding: 4px 14px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.menu-toggle:hover {
    background: var(--vert-fonce);
    color: white;
}

/* ===== HERO (index) ===== */
.hero {
    background: url('../images/bg-home.jpg') no-repeat center center/cover;
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 40px;
    border-radius: 0 0 30px 30px;
    overflow: hidden;
}

.hero-overlay {
    background: linear-gradient(90deg, rgba(11, 43, 38, 0.9) 0%, rgba(52, 152, 219, 0.3) 100%);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 40px 0;
}

.hero-content {
    max-width: 650px;
    color: white;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: 0.95;
    margin-bottom: 28px;
}

/* ===== BOUTONS ===== */
.btn {
    display: inline-block;
    background-color: var(--orange);
    color: white;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 40px;
    text-decoration: none;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(230, 126, 34, 0.2);
    text-align: center;
}

.btn:hover {
    background-color: var(--orange-light);
    box-shadow: 0 8px 14px rgba(230, 126, 34, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--orange);
    color: var(--vert-fonce);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--orange);
    color: white;
}

/* ===== SECTIONS ===== */
section {
    padding: 48px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    color: var(--vert-fonce);
    border-left: 5px solid var(--orange);
    padding-left: 20px;
}

.section-subhead {
    font-size: 1.1rem;
    color: #4a5c58;
    margin-bottom: 36px;
    max-width: 800px;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* ===== CARDS ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.service-card, .team-card, .legal-card {
    background: white;
    border-radius: 20px;
    padding: 24px 20px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
    border: 1px solid #eef3f0;
    border-top: 4px solid var(--orange);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover, .team-card:hover, .legal-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -10px rgba(46, 125, 94, 0.15);
    border-color: var(--bleu-ciel);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-card h3, .team-card h3, .legal-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--vert-fonce);
}

.team-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 14px;
    margin-bottom: 16px;
    border: 2px solid var(--bleu-ciel);
}

.team-card .poste {
    color: var(--orange);
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
    font-size: 0.95rem;
}

/* Citation expertise */
.expertise-quote {
    background: linear-gradient(145deg, #edf3f0 0%, #e2f0f8 100%);
    padding: 28px;
    border-radius: 20px;
    font-size: 1.1rem;
    font-style: italic;
    color: #1e3a2f;
    border-left: 6px solid var(--bleu-ciel);
}

/* Badges */
.badge {
    background: rgba(93, 173, 226, 0.15);
    color: var(--vert-fonce);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-right: 6px;
    margin-bottom: 8px;
    border: 1px solid var(--bleu-ciel);
    transition: all 0.2s;
}

.badge:hover {
    background: var(--bleu-ciel);
    color: white;
}

/* ===== PAGES LÉGALES ===== */
.legal-content {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.legal-content h3 {
    color: var(--vert-fonce);
    margin-top: 32px;
    margin-bottom: 16px;
    font-size: 1.4rem;
}

.legal-content h3:first-of-type {
    margin-top: 0;
}

.legal-content p {
    margin-bottom: 16px;
    color: #3f4e4a;
}

.legal-content ul {
    margin-left: 24px;
    margin-bottom: 20px;
}

.legal-content li {
    margin-bottom: 8px;
    color: #3f4e4a;
}

.legal-content strong {
    color: var(--vert-fonce);
}

/* ===== PAGE CONTACT ===== */
.contact-info {
    background: white;
    padding: 28px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: var(--vert-clair);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--vert-fonce);
    flex-shrink: 0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--vert-fonce);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 14px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.2s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--bleu-ciel);
    box-shadow: 0 0 0 3px rgba(93, 173, 226, 0.2);
}

/* ===== FOOTER ===== */
footer {
    background: var(--vert-fonce);
    color: #e0ebe6;
    padding: 40px 0 20px;
    margin-top: 40px;
    border-radius: 30px 30px 0 0;
    border-top: 6px solid var(--orange);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 32px;
}

.footer-logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    margin-bottom: 14px;
}

.footer-logo small {
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.9;
    display: block;
    color: var(--bleu-ciel);
}

.copyright {
    text-align: center;
    padding-top: 32px;
    opacity: 0.8;
    font-size: 0.85rem;
    border-top: 1px solid rgba(93, 173, 226, 0.3);
    margin-top: 20px;
}

footer a {
    color: var(--bleu-ciel);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ========================================== */
/* ===== 📱 RESPONSIVE MOBILE OPTIMISÉ ===== */
/* ========================================== */

@media (max-width: 900px) {
    .container {
        padding: 0 18px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .grid-2col {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        padding: 20px 0 12px;
        background: white;
        border-radius: 0 0 20px 20px;
        margin-top: 12px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 8px 20px;
        width: 100%;
        text-align: center;
    }

    .navbar {
        padding: 12px 0 8px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .logo-text span {
        font-size: 0.75rem;
    }

    .logo-img {
        height: 42px;
    }

    .hero {
        min-height: 440px;
        border-radius: 0 0 24px 24px;
    }

    .hero-overlay {
        padding: 32px 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .btn {
        padding: 14px 24px;
        font-size: 1rem;
        display: block;
        width: 100%;
    }

    section {
        padding: 36px 0;
    }

    .section-title {
        font-size: 1.8rem;
        padding-left: 16px;
    }

    .section-subhead {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card, .team-card, .legal-card {
        padding: 22px 18px;
    }

    .team-card img {
        height: 280px;
    }

    .legal-content {
        padding: 24px;
    }

    .contact-info {
        padding: 22px;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 14px 16px;
    }

    footer {
        padding: 36px 0 16px;
        margin-top: 32px;
        border-radius: 24px 24px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .footer-logo {
        font-size: 1.5rem;
    }

    .copyright {
        padding-top: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-img {
        height: 38px;
        max-width: 130px;
    }

    .hero {
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .btn {
        padding: 14px 20px;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .service-card h3, .legal-card h3 {
        font-size: 1.3rem;
    }

    .expertise-quote {
        padding: 20px;
        font-size: 1rem;
    }

    .team-card img {
        height: 260px;
    }

    .contact-item {
        gap: 10px;
    }

    .contact-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .legal-content {
        padding: 20px;
    }

    .legal-content h3 {
        font-size: 1.2rem;
    }
}