/* moved from <style> */
:root {
            --yellow: #FCD116;
            --blue: #003893;
            --red: #CE1126;
            --dark: #2E2E2E;
            --light: #F8F9FA;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }
        
        .colombia-flag {
            height: 10px;
            background: linear-gradient(to right, var(--yellow) 50%, var(--blue) 50%, var(--blue) 75%, var(--red) 75%);
            margin-bottom: 5px;
        }
        
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 1rem 0;
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo img {
            height: 60px;
        }
        
        .logo-flag {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .logo-flag img {
            width: 35px;
            height: 35px;
            object-fit: cover;
            border-radius: 50%;
            border: 1px solid #eee;
        }
        
        .login-btn {
            background-color: var(--blue);
            color: white;
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .login-btn:hover {
            background-color: #002b7a;
        }
        
        .hero {
            background: linear-gradient(135deg, var(--blue), #002b7a);
            color: white;
            padding: 1.4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 10px;
            background: linear-gradient(to right, var(--yellow) 50%, transparent 50%);
        }
        
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 10px;
            background: linear-gradient(to right, transparent 75%, var(--red) 75%);
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        
        .hero h1 span {
            color: var(--yellow);
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        
        .calculator-card {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            max-width: 500px;
            margin: -4rem auto 2rem;
            position: relative;
            z-index: 10;
            border-top: 5px solid var(--yellow);
            border-bottom: 5px solid var(--red);
        }
        
        .calculator-card h2 {
            color: var(--blue);
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            text-align: center;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 56, 147, 0.2);
        }
        
        .btn-primary {
            background-color: var(--blue);
            color: white;
            border: none;
            padding: 14px;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            width: 100%;
            font-weight: 600;
            transition: background 0.3s;
            margin-top: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .btn-primary:hover {
            background-color: #002b7a;
        }
        
        .result-card {
            margin-top: 2rem;
            padding: 1.5rem;
            background-color: #f5f8ff;
            border-radius: 12px;
            border-left: 4px solid var(--blue);
            display: none;
        }
        
        .result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        
        .result-title {
            color: var(--blue);
            font-weight: 700;
        }
        
        .result-amount {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin: 0.5rem 0;
            text-align: center;
        }
        
        .result-amount span {
            color: var(--red);
        }
        
        .result-details {
            color: #666;
            font-size: 0.9rem;
            text-align: center;
        }
        
        .currency-input-container {
            position: relative;
        }
        
        .currency-flag {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-size: cover;
            background-position: center;
            border: 1px solid rgba(0,0,0,0.1);
        }
        
        .currency-input {
            padding-left: 45px !important;
        }
        
        .exchange-info {
            text-align: center;
            margin: 10px 0;
            color: var(--blue);
            font-weight: 500;
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: #f5f8ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--blue);
            font-size: 1.5rem;
        }
        
        .features-section {
            margin: 4rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        
        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 3px solid var(--yellow);
        }
        
        .testimonials {
            background-color: #f5f8ff;
            padding: 4rem 0;
            margin: 4rem 0;
        }
        
        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            max-width: 400px;
            margin: 0 auto 2rem;
            border-left: 4px solid var(--red);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .testimonial-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 1rem;
        }
        
        .author-info h4 {
            color: var(--blue);
            margin-bottom: 0.2rem;
        }
        
        .author-info p {
            color: #666;
            font-size: 0.9rem;
        }
        
        .rating {
            color: var(--yellow);
            margin: 0.5rem 0;
        }
        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            position: relative;
        }
        
        footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(to right, var(--yellow) 33%, var(--blue) 33%, var(--blue) 66%, var(--red) 66%);
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            position: relative;
            display: inline-block;
        }
        
        .footer-column h3::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--yellow);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--yellow);
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--yellow);
        }
        
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #999;
            font-size: 0.9rem;
        }
        
        .testimonials-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
        }
        
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .calculator-card {
                margin: -2rem auto 2rem;
                padding: 1.5rem;
            }
            
            .testimonial-card {
                max-width: 100%;
            }
        }


/* moved from <style> */
@keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  #ios-install-btn:hover {
    transform: scale(1.05);
  }