:root {
     --yellow: #FACC15;
     --black: #1F2937;
     --gray: #4B5563;
     --gray-light: #f3f4f6;
     --white: #ffffff;
     --font-main: 'Inter', sans-serif;
     --bg-base: #fdfdfb;
     --bg-soft: #f9fafb;
     --bg-hero: linear-gradient(180deg, #facc15 0%, #fffdf2 50%, #facc15 100%);
 }

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

 body {
     font-family: var(--font-main);
     background-color: #f9fafb;
     /* unifica con benefits y demás */
     color: var(--black);
     line-height: 1.6;
 }

 /* ========== HERO ========== */
 :root {
     --bg-hero-gradient: linear-gradient(to bottom, #facc15 0%, #fef08a 40%, #f9fafb 100%);
 }


 .hero-clean {
     padding: 6rem 2rem 5rem;
     text-align: center;
     background: var(--bg-hero-gradient);
     position: relative;
     z-index: 1;
     overflow: hidden;
     display: flex;
     flex-direction: column;
     align-items: center;
 }


 .hero-clean::after {
     background: linear-gradient(to bottom,
             rgba(255, 255, 255, 0.4) 0%,
             rgba(255, 255, 255, 0.75) 60%,
             rgba(249, 250, 251, 1) 100%);
 }



 .hero-title {
     font-size: clamp(2.75rem, 6vw, 4rem);
     font-weight: 900;
     color: #1f2937;
     margin-bottom: 0.5rem;
     letter-spacing: -0.5px;
 }

 .hero-tagline {
     font-size: clamp(1.4rem, 3vw, 2rem);
     font-weight: 600;
     color: #1e293b;
     margin-bottom: 1rem;
 }

 .hero-description {
     font-size: 1.15rem;
     color: #334155;
     line-height: 1.75;
     max-width: 700px;
     margin: 0 auto 2.5rem;
     text-align: center;
     text-wrap: pretty;
 }

 .hero-bg-deco {
     position: absolute;
     top: 0;
     bottom: 0;
     width: 200px;
     background-repeat: no-repeat;
     background-position: center;
     background-size: contain;
     opacity: 0.05;
     pointer-events: none;
     z-index: 0;
 }


 .pwa-message {
     font-size: 1rem;
     color: #1f2937;
     background: linear-gradient(to bottom, #fffdea, #fff9c4);
     border: 1px solid #facc15;
     border-radius: 12px;
     padding: 1.5rem 1.75rem;
     margin: 2rem auto;
     max-width: 640px;
     line-height: 1.7;
     box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
     text-align: center;
 }



 .btn-primary {
     background-color: var(--yellow);
     color: var(--black);
     padding: 0.8rem 1.8rem;
     font-weight: 600;
     border-radius: 10px;
     text-decoration: none;
     transition: background-color 0.2s ease;
 }

 .btn-primary:hover {
     background-color: #eab308;
 }


 /* ========== BENEFICIOS ========== */
 .benefits {
     background-color: var(--bg-soft);
     padding: 4rem 2rem;
     text-align: center;
 }

 .benefits-intro {
     max-width: 620px;
     margin: 0 auto 2rem;
     color: var(--gray);
     font-size: 1.125rem;
     line-height: 1.6;
 }

 .benefits-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
     gap: 2rem;
     max-width: 1100px;
     margin: 0 auto;
 }

 .benefit-card {
     background-color: var(--white);
     padding: 2rem 1.5rem;
     border-radius: 18px;
     box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
     transition: transform 0.3s ease, box-shadow 0.3s ease;
     text-align: center;
     display: flex;
     flex-direction: column;
     align-items: center;
     overflow: hidden;
 }

 .benefit-card:hover {
     transform: translateY(-4px);
     box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
 }

 .benefit-card img {
     width: 100%;
     max-width: 180px;
     height: auto;
     border-radius: 12px;
     margin-bottom: 1.25rem;
     object-fit: contain;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
 }

 .benefit-card h3 {
     font-size: 1.35rem;
     margin-bottom: 0.75rem;
     color: var(--black);
     font-weight: 700;
 }

 .benefit-card p {
     color: var(--gray);
     font-size: 1rem;
     line-height: 1.5;
     max-width: 90%;
 }

 /* ========== FEATURES DESTACADAS ========== */
 .feature-block {
     display: flex;
     align-items: center;
     justify-content: space-between;
     gap: 2.5rem;
     max-width: 1100px;
     margin: 0 auto;
     padding: 3rem 2rem;
     border-radius: 24px;
     background: linear-gradient(to bottom, #fde047 0%, #fefce8 60%, #f9fafb 100%);
     border: 1px solid #facc15;
     box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
     flex-wrap: wrap;
 }

 .feature-block.reverse {
     flex-direction: row-reverse;
 }

 .feature-block .text h3 {
     font-size: 2rem;
     margin-bottom: 1rem;
     color: #1e293b;
     font-weight: 900;
 }

 .feature-block .text p {
     font-size: 1.2rem;
     line-height: 1.9;
     color: #334155;
     max-width: 600px;
 }


 .feature-block .image {
     flex: 1;
     max-width: 320px;
     background: #ffffff;
     padding: 1rem;
     border-radius: 20px;
     box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
     display: flex;
     justify-content: center;
     align-items: center;
     overflow: hidden;
     margin-left: auto;
     margin-right: auto;
 }

 .feature-block .image img {
     width: 100%;
     height: auto;
     object-fit: contain;
     border-radius: 12px;
     max-width: 100%;
     box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
 }

 .feature-block .image {
     flex: 1;
     min-width: 260px;
     max-width: 360px;
     background: #ffffff;
     padding: 1rem;
     border-radius: 20px;
     box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
     display: flex;
     justify-content: center;
     align-items: center;
     margin: auto;
     overflow: hidden;
 }

 .feature-block .image img {
     width: 100%;
     height: auto;
     object-fit: contain;
     border-radius: 12px;
     max-width: 100%;
     box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
 }

 .image a {
     position: relative;
     display: inline-block;
 }

 .image a::after {
     content: "🔍";
     position: absolute;
     top: 8px;
     right: 8px;
     font-size: 1.2rem;
     background: #fff;
     border-radius: 50%;
     padding: 0.2rem;
     box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
     pointer-events: none;
 }

 /* Tarjetas animadas */
 .card {
     background-color: var(--gray-light);
     padding: 2rem;
     border-radius: 16px;
     box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
     transition: transform 0.3s ease;
 }

 .card:hover {
     transform: translateY(-6px);
     box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
 }


 /* ========== CÓMO FUNCIONA ========== */
 .how-it-works {
     background-color: var(--gray-light);
     padding: 4rem 2rem;
     text-align: center;
 }

 .how-it-works h2 {
     font-size: 2rem;
     margin-bottom: 2rem;
 }

 .steps {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
     gap: 2rem;
     max-width: 1000px;
     margin: 0 auto;
 }

 .step h4 {
     font-size: 1.25rem;
     margin-bottom: 0.5rem;
 }

 .step p {
     color: var(--gray);
 }

 /* ========== TESTIMONIO ========== */
 .testimonial {
     background-color: #f9fafb;
     padding: 3rem 2rem;
     text-align: center;
     font-style: italic;
 }

 .testimonial blockquote {
     max-width: 600px;
     margin: 0 auto;
     font-size: 1.2rem;
 }

 .testimonial footer {
     margin-top: 1rem;
     font-style: normal;
     color: var(--gray);
 }

 .testimonial blockquote {
     position: relative;
     padding: 2rem;
     background-color: #fffdf4;
     border-left: 6px solid var(--yellow);
     border-radius: 12px;
     font-style: italic;
     font-size: 1.1rem;
 }

 .testimonial blockquote::before {
     content: \"\\201C\";
     font-size: 4rem;
     color: var(--yellow);
     position: absolute;
     top: -20px;
     left: 10px;
     font-family: serif;
 }

 /* ========== CTA ========== */
 .cta {
     background-color: var(--yellow);
     color: var(--black);
     text-align: center;
     padding: 4rem 2rem;
 }

 .cta h2 {
     font-size: 2rem;
     margin-bottom: 1rem;
 }

 .cta p {
     font-size: 1.1rem;
     margin-bottom: 2rem;
 }

 .btn-dark {
     background: var(--black);
     color: var(--white);
     padding: 1rem 2rem;
     font-size: 1.1rem;
     font-weight: 700;
     border-radius: 12px;
     box-shadow: 0 6px 14px rgba(0, 0, 0, 0.1);
 }

 .btn-dark:hover {
     background-color: #000;
 }


 /* ========== FOOTER ========== */
 .footer {
     text-align: center;
     font-size: 0.875rem;
     color: #9ca3af;
     background-color: #1f2937;
     padding: 2rem 1rem 6rem;
     /* ¡aquí el espacio extra por la sticky bar! */
 }

 .footer a {
     color: #facc15;
     text-decoration: none;
 }

 .footer a:hover {
     text-decoration: underline;
 }


 /* ========== MEDIA QUERIES ========== */
 @media (max-width: 768px) {

     .feature-block,
     .feature-block.reverse {
         flex-direction: column !important;
         text-align: center;
         gap: 2rem;
     }

     .feature-block .image {
         max-width: 100%;
     }

     .feature-block .text p {
         max-width: 100%;
     }
 }

 .site-header {
     background: #fff;
     border-bottom: 1px solid #eee;
     padding: 1rem 2rem;
     position: sticky;
     top: 0;
     z-index: 999;
 }

 .nav {
     display: flex;
     justify-content: space-between;
     align-items: center;
     max-width: 1200px;
     margin: auto;
 }

 .logo {
     font-weight: 800;
     font-size: 1.5rem;
 }


 .contact-section {
     background-color: white;
     padding: 4rem 2rem;
     text-align: center;
 }

 .contact-section h2 {
     font-size: 2rem;
     margin-bottom: 1rem;
     color: #111827;
 }

 .contact-section p {
     font-size: 1rem;
     color: #4B5563;
     margin-bottom: 2rem;
 }

 .contact-form {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     gap: 1rem;
     max-width: 800px;
     margin: 0 auto;
 }

 .contact-form input,
 .contact-form textarea {
     padding: 0.75rem 1rem;
     font-size: 1rem;
     border: 1px solid #ccc;
     border-radius: 8px;
     width: 100%;
     max-width: 250px;
 }

 .contact-form textarea {
     min-height: 100px;
     resize: vertical;
 }

 .contact-form button {
     background-color: #facc15;
     color: #1f2937;
     border: none;
     padding: 0.75rem 2rem;
     font-weight: bold;
     border-radius: 10px;
     cursor: pointer;
     transition: background-color 0.2s ease;
 }

 .contact-form button:hover {
     background-color: #eab308;
 }

 .pwa-info {
     background: #fffbe8;
     border: 1px solid #facc15;
     border-radius: 12px;
     padding: 1.5rem;
     margin: 2rem auto;
     max-width: 700px;
     text-align: center;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
 }

 .pwa-info p {
     font-size: 1rem;
     color: var(--gray);
     margin-bottom: 1rem;
 }

 .btn-install {
     background-color: var(--yellow);
     color: var(--black);
     padding: 0.75rem 1.5rem;
     font-weight: bold;
     border: none;
     border-radius: 10px;
     cursor: pointer;
     transition: background-color 0.2s ease;
 }

 .btn-install:hover {
     background-color: #eab308;
 }

 .kamionapp-cta {
     background-color: #f3f4f6;
     padding: 5rem 1.5rem;
     display: flex;
     justify-content: center;
     border-top: 2px solid #e5e7eb;
 }

 .kamionapp-cta .cta-card {
     background: linear-gradient(to bottom, #ffffff 0%, #fefce8 100%);
     padding: 3rem 2rem;
     border-radius: 24px;
     box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
     max-width: 840px;
     text-align: center;
     transition: transform 0.3s ease, box-shadow 0.3s ease;
     border: 1px solid #facc15;
 }

 .kamionapp-cta h2 {
     font-size: 2rem;
     font-weight: 900;
     color: #1f2937;
     margin-bottom: 1rem;
 }

 .kamionapp-cta .cta-subtext {
     font-size: 1.05rem;
     margin-bottom: 2rem;
     color: #374151;
     line-height: 1.7;
 }

 .kamionapp-cta .benefits {
     text-align: left;
     margin: 0 auto 2rem;
     max-width: 600px;
     padding-left: 1.25rem;
     list-style: none;
 }

 .kamionapp-cta .benefits li::before {
     content: "✓ ";
     color: #10b981;
     font-weight: bold;
 }

 .sticky-button {
     background-color: #facc15;
     color: #111827;
     padding: 0.75rem 1.5rem;
     border-radius: 8px;
     text-decoration: none;
     font-weight: 700;
     font-size: 1rem;
     box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
     transition: background-color 0.2s ease, transform 0.1s ease;
     display: inline-block;
 }

 .sticky-button:hover {
     background-color: #eab308;
     transform: scale(1.05);
 }


 .cta-subtext {
     color: #374151;
     font-size: 1rem;
     margin-bottom: 1rem;
 }

 .benefits {
     list-style: none;
     padding: 0;
     margin-bottom: 1.5rem;
     font-size: 0.95rem;
     color: #374151;
     line-height: 1.6;
 }

 .benefits li {
     margin: 0.25rem 0;
 }

 .cta-boton {
     display: inline-block;
     background-color: #facc15;
     color: #111827;
     font-weight: 600;
     padding: 0.75rem 1.5rem;
     border-radius: 8px;
     text-decoration: none;
     font-size: 1rem;
     transition: background-color 0.2s ease;
 }

 .cta-boton:hover {
     background-color: #eab308;
 }

 .info-pago {
     font-size: 0.85rem;
     color: #6b7280;
     margin-top: 1.25rem;
     line-height: 1.4;
 }

 .sticky-bar {
     position: fixed;
     bottom: 0;
     left: 0;
     width: 100%;
     background-color: #fff8c6;
     /* más vivo que #fefce8 */
     color: #1f2937;
     display: flex;
     justify-content: center;
     align-items: center;
     gap: 1.5rem;
     padding: 1rem 2rem;
     border-top: 2px solid #facc15;
     box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.08);
     z-index: 999;
     font-size: 1.15rem;
     /* Aumentado para que se vea más */
     font-weight: 600;
 }

 .sticky-bar span {
     font-weight: 700;
     font-size: 1.15rem;
     line-height: 1.4;
 }

 .sticky-button {
     background-color: #facc15;
     color: #111827;
     padding: 0.75rem 1.5rem;
     border-radius: 8px;
     text-decoration: none;
     font-weight: 700;
     font-size: 1rem;
     box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
     transition: background-color 0.2s ease, transform 0.1s ease;
 }

 .sticky-button:hover {
     background-color: #eab308;
     transform: scale(1.05);
 }


 .auth-box {
     position: absolute;
     top: 1rem;
     right: 1rem;
     background-color: white;
     padding: 1rem;
     border-radius: 8px;
     box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
     z-index: 999;
     max-width: 300px;
 }

 .auth-box input {
     display: block;
     width: 100%;
     margin-bottom: 0.5rem;
     padding: 0.5rem;
     font-size: 14px;
 }

 .auth-box button {
     width: 48%;
     padding: 0.6rem;
     background-color: #ffcc00;
     border: none;
     border-radius: 4px;
     font-weight: bold;
     cursor: pointer;
     margin: 0.25rem 1%;
 }

 .auth-box button:hover {
     background-color: #e6b800;
 }

 #status {
     margin-top: 0.5rem;
     font-size: 12px;
     color: #333;
 }

 .language-item {
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 0.5rem;
     font-size: 1rem;
     font-weight: 500;
     background-color: #ffffff;
     border: 1px solid #e0e0e0;
     border-radius: 16px;
     padding: 1.2rem 1rem;
     box-shadow:
         0 2px 4px rgba(0, 0, 0, 0.04),
         0 4px 10px rgba(0, 0, 0, 0.06);
     transition: transform 0.2s ease, box-shadow 0.2s ease;
 }

 .language-item:hover {
     transform: translateY(-4px);
     box-shadow:
         0 6px 12px rgba(0, 0, 0, 0.08),
         0 10px 20px rgba(0, 0, 0, 0.10);
 }

 .language-flag {
     width: 64px;
     height: 64px;
     border-radius: 50%;
     object-fit: cover;
     border: 2px solid #f0f0f0;
     background-color: #ffffff;
     transition: border-color 0.2s ease;
 }

 .language-item:hover .language-flag {
     border-color: #d0d0d0;
 }

 .language-item.active {
     border: 2px solid #007bff;
     background-color: #e9f3ff;
 }

 .language-selector {
     position: fixed;
     top: 1rem;
     right: 1rem;
     z-index: 9999;
     background-color: #ffffff;
     border: 2px solid #000;
     border-radius: 8px;
     padding: 0.5rem 0.75rem;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
     font-size: 1.1rem;
     font-weight: bold;
     color: #000;
     transition: transform 0.2s ease, box-shadow 0.2s ease;
 }

 .language-selector:hover {
     transform: scale(1.05);
     box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
 }

 .language-selector select {
     border: none;
     background: none;
     font-size: inherit;
     font-weight: inherit;
     color: inherit;
     cursor: pointer;
     outline: none;
 }

 @keyframes pulse-glow {
     0% {
         box-shadow: 0 0 0px rgba(255, 215, 0, 0.5);
     }

     50% {
         box-shadow: 0 0 12px rgba(255, 215, 0, 0.9);
     }

     100% {
         box-shadow: 0 0 0px rgba(255, 215, 0, 0.5);
     }
 }

 .language-selector {
     animation: pulse-glow 2s ease-in-out 3;
     /* solo 3 veces */
 }