:root {
    --uji-blue: #002d58;
    --uji-red: #c4121a;
    --bg-gradient: linear-gradient(to right, #001a33, #660000);
    --white: #ffffff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.main-container {
    width: 100%;
    max-width: 700px;
}

/* Section Logo */
.logo-container {
    background: white;
    padding: 15px;
    text-align: center;
    border-radius: 10px 10px 0 0;
    margin-bottom: -5px; /* Pour coller au reste */
}

.logo-container img {
    max-width: 250px;
    height: auto;
}

/* Carte Formulaire */
.tracking-card {
    background: #f8f9fa;
    padding: 50px 40px;
    border-radius: 0 0 15px 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    text-align: center;
}

.tracking-card h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    color: var(--uji-blue);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 5px;
}

.subtitle {
    font-weight: 600;
    color: #444;
    letter-spacing: 2px;
    margin-bottom: 40px;
    font-size: 0.9rem;
}

/* Barre de saisie */
.input-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #b89c5e; /* Couleur dorée comme sur l'image */
    font-size: 1.2rem;
}

.input-wrapper input {
    width: 100%;
    padding: 18px 20px 18px 55px;
    border: 2px solid #ddd;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.input-wrapper input:focus {
    border-color: var(--uji-blue);
    box-shadow: 0 0 8px rgba(0, 45, 88, 0.2);
}

/* Bouton Suivi */
.btn-submit {
    width: 100%;
    background: linear-gradient(to right, var(--uji-blue) 50%, var(--uji-red) 100%);
    color: white;
    padding: 20px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
    filter: brightness(1.1);
}

.arrow-icon {
    font-size: 1rem;
    opacity: 0.8;
}

/* Textes secondaires */
.terms {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #666;
}

.terms a {
    color: #333;
    text-decoration: underline;
}

/* Footer */
.footer {
    margin-top: 30px;
    text-align: center;
    color: #ccc;
    font-size: 0.85rem;
}

.footer a {
    color: white;
    font-weight: bold;
    text-decoration: none;
}