/* =========================================
   1. VARIABLES Y FONDO (AJUSTADAS)
   ========================================= */
:root {
    --verde-cr: #2e7d32;
    --cyan-e-sim: #00bcd4;
    --oscuro: #1a1a1a;
    --blanco: #ffffff;
    --vidrio-fondo: rgba(255, 255, 255, 0.5); /* Un poco más sólido para leer mejor */
    --vidrio-borde: rgba(255, 255, 255, 0.3);
    --vidrio-blur: blur(15px);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
}

body {
    background-image: url('fondo.jpg');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
    color: var(--oscuro);
    font-size: 18px; /* Texto base más grande */
}

/* =========================================
   2. HEADER Y BIENVENIDA (MÁS IMPACTO)
   ========================================= */
header {
    background: transparent;
    padding: 30px 0 10px 0;
    text-align: center;
    position: relative;
}

.logo {
    width: 90px; /* Logo más grande */
    height: auto;
    filter: drop-shadow(0 3px 6px rgba(0,0,0,0.4));
    margin-bottom: 10px;
}

h1 {
    font-size: 2.2rem; /* Título más grande */
    color: white;
    text-shadow: 0 3px 8px rgba(0,0,0,0.7);
    margin: 10px 0;
    font-weight: 800;
}

.welcome-text {
    background: var(--vidrio-fondo);
    backdrop-filter: var(--vidrio-blur);
    -webkit-backdrop-filter: var(--vidrio-blur);
    border: 2px solid var(--vidrio-borde);
    border-radius: 20px;
    padding: 20px;
    margin: 10px 15px 20px 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.welcome-text p {
    font-size: 1.1rem; /* Texto de bienvenida más grande */
    line-height: 1.4;
    font-weight: 500;
}

/* =========================================
   3. CONTENEDOR Y TARJETAS (MÁS ESPACIO)
   ========================================= */
.container {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
    padding: 15px;
}

.card {
    background: var(--vidrio-fondo);
    backdrop-filter: var(--vidrio-blur);
    -webkit-backdrop-filter: var(--vidrio-blur);
    border: 2px solid var(--vidrio-borde);
    margin-bottom: 25px; /* Más espacio entre bloques */
    padding: 25px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

h2 {
    font-size: 1.3rem; /* Títulos de sección más grandes */
    color: var(--verde-cr);
    border-left: 6px solid var(--cyan-e-sim);
    padding-left: 15px;
    margin-bottom: 20px;
}

/* =========================================
   4. INPUTS Y CALCULADORA (TOUCH-SIZE)
   ========================================= */
label {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: block;
}

input[type="number"], 
input[type="text"] {
    width: 100%;
    height: 65px; /* Altura generosa para dedos */
    border-radius: 15px;
    border: 2px solid rgba(0,0,0,0.1);
    font-size: 22px; /* Números grandes y claros */
    padding: 0 20px;
    background: rgba(255,255,255,0.9);
    font-weight: bold;
}

.price-display {
    text-align: center;
    font-size: 2.8rem; /* ¡Precio que destaque! */
    font-weight: 900;
    color: var(--verde-cr);
    background: rgba(255,255,255,0.6);
    padding: 20px;
    border-radius: 15px;
    margin-top: 15px;
    border: 1px solid rgba(46, 125, 50, 0.2);
}

/* =========================================
   5. BOTONES Y SELECTORES
   ========================================= */
.lang-floating {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.5);
    color: white;
    border: 2px solid white;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    backdrop-filter: blur(5px);
}

.main-btn {
    width: 100%;
    height: 70px; /* Botón de acción muy grande */
    background: var(--cyan-e-sim);
    color: white;
    border: none;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    box-shadow: 0 6px 20px rgba(0,188,212,0.4);
    cursor: pointer;
    transition: transform 0.2s;
}

.main-btn:active {
    transform: scale(0.98); /* Efecto de click */
}

/* Opciones de servicio más grandes */
.option-content {
    padding: 20px;
    border-radius: 15px;
}

.icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

/* Utilidades */
.hidden { display: none !important; }

/* Ajuste para Tablet */
@media (min-width: 768px) {
    .container { max-width: 750px; }
    h1 { font-size: 3rem; }
}