/* ============================================================ 
    ESTILOS GENERALES Y DISEﾃ前 TELCEL 
    ============================================================ */ 
 :root { 
     --telcel-blue: #003e7e; 
     --telcel-light-blue: #f2f6fb; 
     --telcel-grey: #f0f0f0; 
     --text-dark: #333; 
     --text-grey: #666; 
     --error-red: #d32f2f; 
 } 
 
 *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; } 
 html, body { width: 100%; overflow-x: hidden; font-family: 'Inter', sans-serif; background: #fff; color: var(--text-dark); } 
 
 .full-width { width: 100%; max-width: 100%; } 
 .full-width img { width: 100%; height: auto; display: block; } 
 
 main.container { max-width: 980px; margin: 0 auto; padding: 40px 20px; } 
 h1.main-title { font-size: clamp(22px, 4vw, 32px); margin-bottom: 30px; text-align: center; color: var(--telcel-blue); font-weight: 700; } 
 
 /* ============================================================ 
    HERO SLIDER 
    ============================================================ */ 
 .hero-slider { width: 100%; overflow: hidden; position: relative; background: var(--telcel-grey); } 
 .slider-container { display: flex; transition: transform 0.5s ease-in-out; } 
 .slide { min-width: 100%; } 
 .slide img { width: 100%; height: auto; display: block; } 
 
 .slider-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; } 
 .dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.5); border: none; cursor: pointer; padding: 0; } 
 .dot.active { background: #fff; transform: scale(1.2); } 
 
 /* ============================================================ 
    PASOS (STEPS) 
    ============================================================ */ 
 .steps { display: flex; justify-content: center; gap: 40px; margin: 25px 0; } 
 .step { display: flex; flex-direction: column; align-items: center; gap: 8px; } 
 .circle { width: 30px; height: 30px; border-radius: 50%; background: #ccc; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; } 
 .circle.active { background: var(--telcel-blue); } 
 .step-text { font-size: 12px; color: var(--text-grey); white-space: nowrap; } 
 
 /* ============================================================ 
    CARD Y FORMULARIO 
    ============================================================ */ 
 .card { background: #fff; border: 1px solid #e1e1e1; border-radius: 12px; padding: 30px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); margin-bottom: 30px; } 
 .form-group { margin-bottom: 20px; } 
 .form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px; color: var(--text-dark); } 
 input { width: 100%; padding: 14px; border: 1px solid #ccc; border-radius: 8px; font-size: 16px; transition: border-color 0.3s; } 
 input:focus { outline: none; border-color: var(--telcel-blue); box-shadow: 0 0 0 2px rgba(0,62,126,0.1); } 
 
 /* ============================================================ 
    OPCIONES DE MONTO 
    ============================================================ */ 
 .amount-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 15px; margin-top: 15px; } 
 .option-card { border: 1px solid #ddd; border-radius: 10px; padding: 20px; text-align: center; cursor: pointer; transition: all 0.3s; background: #fff; } 
 .option-card:hover { border-color: var(--telcel-blue); transform: translateY(-2px); } 
 .option-card.selected { border-color: var(--telcel-blue); background: var(--telcel-light-blue); box-shadow: 0 4px 12px rgba(0,62,126,0.1); font-weight: 700; } 
 .option-card span { color: var(--telcel-blue); } 
 .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; } 
 
 /* ============================================================ 
    BOTONES 
    ============================================================ */ 
 .button { padding: 14px 30px; border-radius: 30px; border: none; font-weight: 700; cursor: pointer; font-size: 16px; transition: all 0.3s; } 
 .btn-primary { background: var(--telcel-blue); color: #fff; } 
 .btn-primary:hover { background: #002a56; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,62,126,0.2); } 
 .btn-primary:disabled { background: #ccc; cursor: not-allowed; transform: none; box-shadow: none; } 
 .btn-secondary { background: #eee; color: #555; } 
 .btn-secondary:hover { background: #e0e0e0; } 
 
 /* ============================================================ 
    FOOTER 
    ============================================================ */ 
 .footer-telcel { background: #fff; border-top: 1px solid #eee; padding-top: 50px; } 
 .footer-container { max-width: 1100px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; } 
 .footer-col h4 { color: var(--telcel-blue); margin-bottom: 20px; font-size: 16px; } 
 .footer-col a { display: block; color: var(--text-grey); text-decoration: none; font-size: 14px; margin-bottom: 12px; transition: color 0.2s; } 
 .footer-col a:hover { color: var(--telcel-blue); } 
 
 .footer-bottom { background: var(--telcel-blue); color: #fff; padding: 20px 0; margin-top: 50px; font-size: 13px; text-align: center; } 
 
 /* ============================================================ 
    RESPONSIVE 
    ============================================================ */ 
 @media (max-width: 768px) { 
     .steps { gap: 15px; } 
     .step-text { display: none; } 
     .amount-options { grid-template-columns: repeat(2, 1fr); } 
 }