:root {
    --logo-dark-blue: #1a2947;
    --logo-medium-blue: #2c4663;
    --logo-light-blue: #4a6fa5;
    --accent-orange: #ff8c42;
    --accent-yellow: #ffb84d;
    --text-light: #f8fafc;
    --background-light: #f1f5f9;
    --shadow-color: rgba(26, 41, 71, 0.2);
}

.navbar-custom {
    background: linear-gradient(90deg, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 100%) !important;
    box-shadow: 0 2px 20px var(--shadow-color);
    backdrop-filter: blur(10px);
    position: relative;
}

.navbar-custom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--logo-medium-blue) 0%, var(--logo-light-blue) 50%, var(--logo-medium-blue) 100%);
    opacity: 0.6;
}

.text-orange {
    color: var(--accent-orange) !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-orange {
    background: linear-gradient(45deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.3);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-orange:hover {
    background: linear-gradient(45deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 66, 0.4);
    color: white;
}

.navbar-logo {
    height: 45px;
    width: auto;
    margin-right: 12px;
    background: var(--logo-dark-blue);
    border-radius: 8px;
    padding: 4px;
    transition: all 0.3s ease;
}

.navbar-logo:hover {
    transform: scale(1.1);
    background: var(--logo-medium-blue);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-right: 12px;
    background: var(--logo-dark-blue);
    border-radius: 6px;
    padding: 3px;
}

.footer-section {
    background: var(--logo-dark-blue);
}

.section-title {
    color: var(--logo-dark-blue);
    font-weight: 700;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    border-radius: 2px;
}

.main-content {
    margin-top: 76px; /* Compensation pour la navbar fixe */
    min-height: calc(100vh - 200px);
}

.hero-section {
    background: linear-gradient(135deg, var(--logo-medium-blue) 0%, var(--logo-light-blue) 30%, var(--logo-medium-blue) 70%, var(--logo-dark-blue) 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    margin-top: -76px; /* Compense le margin-top du main-content */
    padding-top: 76px; /* Ajoute le padding pour éviter que le contenu passe sous la navbar */
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 140, 66, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 184, 77, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, rgba(44, 70, 99, 0.1) 0%, transparent 20%);
    pointer-events: none;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-logo {
    max-width: 400px;
    width: 100%;
    height: auto;
    background: radial-gradient(circle, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 100%);
    border-radius: 20px;
    padding: 20px;
    filter: drop-shadow(0 15px 35px rgba(26, 41, 71, 0.4));
    transition: all 0.4s ease;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}

.hero-logo:hover {
    transform: scale(1.05) rotate(1deg);
    filter: drop-shadow(0 20px 40px rgba(26, 41, 71, 0.5));
}

/* Améliorations des sections */
.services-section {
    background: var(--background-light);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--logo-light-blue) 50%, transparent 100%);
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 30px 20px;
    height: 100%;
    border: none;
    box-shadow: 0 8px 30px var(--shadow-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(26, 41, 71, 0.15);
}

.service-icon {
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.2);
}

.contact-section {
    background: linear-gradient(135deg, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 100%);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><pattern id="grain" patternUnits="userSpaceOnUse" width="100" height="20"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.02)"/><circle cx="30" cy="5" r="1" fill="rgba(255,255,255,0.02)"/><circle cx="50" cy="15" r="1" fill="rgba(255,255,255,0.02)"/><circle cx="70" cy="8" r="1" fill="rgba(255,255,255,0.02)"/><circle cx="90" cy="12" r="1" fill="rgba(255,255,255,0.02)"/></pattern></defs><rect width="100" height="20" fill="url(%23grain)"/></svg>') repeat;
    pointer-events: none;
}

.contact-info {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.contact-info:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.contact-page-bg {
    background: linear-gradient(135deg, var(--background-light) 0%, #ffffff 100%);
}

.contact-card {
    background: white;
    border-radius: 20px;
    border: none;
    box-shadow: 0 15px 50px rgba(26, 41, 71, 0.1);
    overflow: hidden;
    position: relative;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
}

.contact-header {
    background: linear-gradient(135deg, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 100%);
    color: white;
    padding: 40px 0;
    position: relative;
    overflow: hidden;
    margin-top: -76px; /* Compense le margin-top du main-content */
    padding-top: 116px; /* 76px (navbar) + 40px (padding original) */
}

.contact-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 140, 66, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 184, 77, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.info-card {
    background: rgba(255,255,255,0.9);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(26, 41, 71, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(26, 41, 71, 0.15);
    background: white;
}

.btn-outline-light {
    border: 2px solid var(--accent-orange);
    color: var(--accent-orange);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-outline-light:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 66, 0.4);
}

.form-control:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 66, 0.25);
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-color: var(--accent-orange);
    color: var(--logo-dark-blue);
    border-radius: 15px;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: var(--logo-dark-blue);
    border-radius: 15px;
}

/* Styles pour les pages d'authentification */
.auth-section {
    background: linear-gradient(135deg, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 50%, var(--logo-light-blue) 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    margin-top: -76px; /* Compense le margin-top du main-content */
    padding-top: 76px; /* Ajoute le padding pour éviter que le contenu passe sous la navbar */
}

.auth-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 140, 66, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 184, 77, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, rgba(44, 70, 99, 0.1) 0%, transparent 20%);
    pointer-events: none;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(26, 41, 71, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
}

.auth-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    background: radial-gradient(circle, var(--logo-dark-blue) 0%, var(--logo-medium-blue) 100%);
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 30px;
}

/* Focus des champs de formulaire dans les pages d'auth */
.auth-section .form-control:focus {
    border-color: var(--logo-medium-blue);
    box-shadow: 0 0 0 0.2rem rgba(87, 141, 208, 0.25);
}