@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #0d1b2a; /* Deep Navy de Operadora Seguros */
    --secondary-color: #c9a227; /* Gold/Bronze */
    --secondary-hover: #b08d1e;
    --bg-light: #f8f9fa; /* Fondo muy claro casi blanco */
    --bg-white: #ffffff; /* Blanco puro */
    --text-primary: #333333; /* Texto oscuro */
    --text-secondary: #555555;
    --border-color: #e2e8f0;
    --shadow-color: rgba(13, 27, 42, 0.08);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    background-color: var(--bg-light); /* Fondo limpio */
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    padding-top: 80px; /* Espacio para el navbar fijo */
}

/* Navbar Institucional */
.top-navbar {
    background-color: var(--bg-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 20px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between; /* Logo a la izquierda, menú a la derecha */
    align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.btn-contact {
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: var(--bg-white) !important;
    border-radius: 50px;
    transition: background-color 0.3s ease;
}

.btn-contact:hover {
    background-color: var(--secondary-color);
}

/* Ocultar shapes animados para mantener el fondo blanco limpio */
.background-shape {
    display: none;
}

/* Contenedor principal limpio */
.glass-container {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3.5rem;
    width: 90%;
    max-width: 650px;
    box-shadow: 0 20px 40px -10px var(--shadow-color);
    text-align: center;
    animation: slideUpFade 0.6s ease forwards;
}

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

header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary-color); /* Navy */
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

/* Pleca dorada estilo Operadora Seguros */
header h1::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color); /* Dorado */
    margin: 15px auto 0;
    border-radius: 2px;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* Zona de Carga */
.drop-zone {
    width: 100%;
    height: 220px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-align: center;
    font-weight: 500;
    font-size: 1.15rem;
    cursor: pointer;
    color: var(--primary-color);
    background-color: var(--bg-white);
    border: 2px dashed var(--secondary-color); /* Borde dorado */
    border-radius: 12px;
    transition: all 0.3s ease;
}

.drop-zone__icon {
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.drop-zone:hover {
    background-color: #fdfbf5; /* Un tono levísimamente dorado de fondo al pasar el mouse */
    border-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(201, 162, 39, 0.1);
}

.drop-zone:hover .drop-zone__icon {
    transform: scale(1.1) translateY(-3px);
}

.drop-zone--over {
    background-color: #f5f0e1;
    border-color: var(--secondary-hover);
    transform: scale(1.02);
}

.drop-zone__prompt {
    color: var(--text-secondary);
}

.drop-zone__input {
    display: none;
}

.file-info {
    margin-top: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    display: inline-block;
}

/* Botón Estilo Operadora Seguros */
.action-section {
    margin-top: 2.5rem;
}

.btn-primary {
    background-color: var(--primary-color); /* Fondo Navy */
    color: var(--bg-white); /* Texto Blanco */
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    padding: 16px 40px;
    border: none;
    border-radius: 50px; /* Modern pill shape */
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 15px var(--shadow-color);
}

.btn-primary:hover:not(:disabled) {
    background-color: #1b263b; /* Un Navy más claro */
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(13, 27, 42, 0.2);
}

.btn-primary:disabled {
    background-color: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Loading animation */
.loading {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    color: var(--primary-color);
    font-weight: 500;
}

.spinner {
    width: 45px;
    height: 45px;
    border: 3px solid #e2e8f0;
    border-left-color: var(--secondary-color); /* Giro dorado */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}