:root {
    --bg-dark: #050505;
    --bg-card: #0d0d0d;
    --accent-blue: #2563eb;
    --accent-blue-glow: rgba(37, 99, 235, 0.4);
    --silver-primary: #e2e8f0;
    --silver-secondary: #94a3b8;
    --silver-gradient: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--silver-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--silver-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}


/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

header.scrolled {
    padding: 0.9rem 0;
    background: #000;
    border-bottom-color: rgba(255,255,255,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
}

.logo i {
    color: var(--accent-blue);
    filter: drop-shadow(0 0 10px var(--accent-blue-glow));
}

.logo img {
    width: 140px;
    height: auto;
}

.logo span {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--silver-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: #fff;
}

.btn-login {
    background: #fff;
    color: #000;
    padding: 0.7rem 2rem;
    border-radius: 100px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-login:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.2);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, rgba(5, 5, 5, 0.85) 0%, rgba(5, 5, 5, 0.4) 60%, rgba(5, 5, 5, 0.1) 100%), url('../img/hero.rastreo.png') no-repeat center center/cover;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--silver-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

@media (max-width: 768px) {
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }
}


.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
    text-decoration: none;
    padding: 1.2rem 3rem;
    border-radius: 15px;
    font-weight: 700;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #1d4ed8;
    box-shadow: 0 15px 40px var(--accent-blue-glow);
    transform: translateY(-5px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    text-decoration: none;
    padding: 1.2rem 3rem;
    border-radius: 15px;
    font-weight: 700;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: #fff;
}

/* Features */
.features {
    padding: 10rem 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 6rem;
}

.section-header h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2.5rem;
    }
}


.divider {
    width: 80px;
    height: 4px;
    background: var(--accent-blue);
    margin: 1.5rem auto;
    border-radius: 2px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 4rem 2.5rem;
    border-radius: 30px;
    transition: var(--transition);
    position: relative;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue);
    transform: translateY(-15px);
}

.icon-box {
    width: 70px;
    height: 70px;
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--accent-blue);
    font-size: 1.8rem;
    transition: var(--transition);
}

.feature-card:hover .icon-box {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 10px 30px var(--accent-blue-glow);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    -webkit-text-fill-color: #fff;
}

.feature-card p {
    color: var(--silver-secondary);
}

/* Pricing Section */
.pricing {
    padding: 10rem 0;
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    align-items: flex-start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 4rem 3rem;
    border-radius: 40px;
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.pricing-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.05) 0%, var(--bg-card) 100%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: scale(1.05);
}

.popular-tag {
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-blue);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-header h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.price {
    margin-bottom: 3rem;
}

.price .amount {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
}

.price .currency,
.price .period {
    color: var(--silver-secondary);
    font-size: 1.2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 4rem;
}

.pricing-features li {
    margin-bottom: 1.2rem;
    color: var(--silver-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pricing-features li i.fa-check {
    color: var(--accent-blue);
}

.pricing-features li i.fa-times {
    color: #ef4444;
    opacity: 0.3;
}

.pricing-features li.disabled {
    opacity: 0.4;
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 1.2rem;
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
    animation: modalIn 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    width: 95%;
    max-width: 480px;
    padding: 3.5rem;
    border-radius: 40px;
    position: relative;
    overflow: hidden;
}

.modal-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    padding: 0.4rem;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.tab-btn {
    flex: 1;
    padding: 0.8rem;
    border: none;
    background: transparent;
    color: var(--silver-secondary);
    font-weight: 600;
    cursor: pointer;
    border-radius: 11px;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 5px 15px var(--accent-blue-glow);
}

.form-container {
    display: none;
    animation: slideIn 0.4s ease-out;
}

.form-container.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.close-modal {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.3;
    transition: var(--transition);
}

.close-modal:hover {
    opacity: 1;
    color: var(--accent-blue);
}

.login-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.login-header .logo {
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    color: var(--silver-secondary);
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--silver-secondary);
}

.input-wrapper input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1.2rem 1.2rem 1.2rem 3.5rem;
    border-radius: 15px;
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.06);
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: 15px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: var(--transition);
}

.btn-submit:hover {
    filter: brightness(1.1);
    transform: translateY(-3px);
}

.form-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.form-footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* FAQs Section */
.faqs {
    padding: 10rem 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(37, 99, 235, 0.02) 100%);
}

.faqs-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.faq-item:hover {
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.05);
}

.faq-question {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.2rem;
    background: none;
    -webkit-text-fill-color: #fff;
    margin: 0;
    transition: var(--transition);
}

.faq-item.active .faq-question h3 {
    color: var(--accent-blue);
    -webkit-text-fill-color: var(--accent-blue);
}

.faq-question i {
    color: var(--accent-blue);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 2rem;
    color: var(--silver-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 2rem 2rem;
    opacity: 1;
}

/* Contacto Section */
.contacto {
    padding: 10rem 0;
    position: relative;
}

.contacto::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom, rgba(37, 99, 235, 0.03) 0%, transparent 60%);
    z-index: -1;
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contacto-info {
    display: grid;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 25px;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateX(10px);
    border-color: var(--accent-blue);
}

.icon-circle {
    width: 60px;
    height: 60px;
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.1);
}

.info-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    background: none;
    -webkit-text-fill-color: #fff;
}

.info-item p {
    color: var(--silver-secondary);
    font-size: 0.95rem;
}

.contacto-form-container {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contacto-form .form-group {
    margin-bottom: 2rem;
}

.contacto-form label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    color: var(--silver-secondary);
}

.contacto-form input, 
.contacto-form textarea {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    padding: 1.2rem;
    border-radius: 15px;
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
}

.contacto-form input:focus, 
.contacto-form textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255,255,255,0.06);
}

@media (max-width: 992px) {
    .contacto-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer Improvements */
.main-footer {
    padding: 6rem 0;
    border-top: 1px solid var(--glass-border);
    background: #000;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.footer-content .logo img {
    width: 120px;
    height: auto;
}

.copyright {
    color: var(--silver-secondary);
    font-size: 0.9rem;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    color: var(--silver-secondary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-blue);
    transform: scale(1.2);
}



/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);

}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    background-color: #20ba5a;
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.5);
    color: #fff;
}

.whatsapp-float i {
    margin-top: 1px;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 25px;
    }
}

/* Stats Section */
.stats {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--accent-blue-glow));
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--silver-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* App Section */
.app-section {
    padding: 10rem 0;
    overflow: hidden;
}

.app-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 6rem;
    align-items: center;
}

.app-text h2 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
}

.app-text p {
    font-size: 1.1rem;
    color: var(--silver-secondary);
    margin-bottom: 2rem;
}

.app-features {
    list-style: none;
    margin-bottom: 3rem;
}

.app-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #fff;
    font-weight: 500;
}

.app-features li i {
    color: var(--accent-blue);
}

.app-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-app {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    border-radius: 15px;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-app:hover {
    background: #fff;
    color: #000;
    transform: translateY(-5px);
}

.app-visual {
    position: relative;
}

.app-visual img {
    width: 100%;
    filter: drop-shadow(0 0 50px var(--accent-blue-glow));
    z-index: 2;
    position: relative;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, var(--accent-blue-glow) 0%, transparent 70%);
    z-index: 1;
}

@media (max-width: 992px) {
    .app-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }
    
    .app-features li {
        justify-content: center;
    }
    
    .app-btns {
        justify-content: center;
    }
}

/* ADN Section (Misión/Visión) */
.adn-section {
    padding: 8rem 0;
    position: relative;
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
}

.adn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: stretch;
}

.adn-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 4rem 3rem;
    border-radius: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.adn-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-blue);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.adn-card:hover {
    transform: translateY(-10px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.adn-card:hover::before {
    transform: scaleX(1);
}

.adn-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2.5rem;
    color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.1);
    transition: var(--transition);
}

.adn-card:hover .adn-icon {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 10px 30px var(--accent-blue-glow);
    transform: scale(1.1);
}

.adn-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.adn-card p {
    color: var(--silver-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Nav Button ADN */
.nav-adn-btn {
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid var(--accent-blue);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    color: #fff !important;
    text-transform: uppercase;
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    letter-spacing: 1px;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.3);
}

.nav-adn-btn:hover {
    background: var(--accent-blue);
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.6);
    transform: translateY(-2px);
}

/* Interactive ADN Page */
.adn-page-wrapper {
    min-height: 100vh;
    padding: 12rem 2rem 5rem;
    background: radial-gradient(circle at top center, rgba(37, 99, 235, 0.05) 0%, var(--bg-dark) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.adn-page-header {
    text-align: center;
    margin-bottom: 5rem;
}

.glitch-text {
    font-size: 4.5rem;
    font-weight: 800;
    color: #fff;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.adn-page-header p {
    font-size: 1.2rem;
    color: var(--silver-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.interactive-adn-container {
    display: flex;
    gap: 4rem;
    width: 100%;
    max-width: 1200px;
    justify-content: center;
    perspective: 1000px;
}

.interactive-card {
    width: 450px;
    height: 550px;
    background: transparent;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.5s ease;
    transform-style: preserve-3d;
}

.interactive-card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.card-front {
    background: var(--glass-bg);
    backdrop-filter: none; /* Removed for performance */
}

.card-back {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, var(--bg-card) 100%);
    border-color: var(--accent-blue);
    transform: rotateY(180deg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(37, 99, 235, 0.1);
}

.icon-wrapper {
    width: 100px;
    height: 100px;
    background: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 2rem;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.2);
    border: 1px solid var(--glass-border);
}

.card-front h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    -webkit-text-fill-color: #fff;
}

.hover-hint {
    color: var(--accent-blue);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    /* animation: bounceX 2s infinite; Removed for performance */
}

@keyframes bounceX {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

.back-content h3 {
    font-size: 1.8rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    -webkit-text-fill-color: var(--accent-blue);
}
.back-content p {
    font-size: 1.1rem;
    color: var(--silver-primary);
    line-height: 1.8;
}

/* =====================================================
   RESPONSIVE — MOBILE FIRST
   ===================================================== */

/* Hamburger button (hidden on desktop) */
.nav-toggle {
    display: none !important;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
    z-index: 1100;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex !important;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Tablet (≤ 1024px) ---- */
@media (max-width: 1024px) {
    .interactive-adn-container {
        flex-direction: column;
        align-items: center;
    }

    .interactive-card {
        width: 100%;
        max-width: 500px;
        height: 480px;
    }
}

/* ---- Tablet/Mobile (≤ 992px) ---- */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.8rem; }

    .features, .pricing, .faqs, .contacto, .app-section, .adn-section {
        padding: 6rem 0;
    }

    .section-header { margin-bottom: 4rem; }

    .contacto-grid { grid-template-columns: 1fr; }

    .app-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }

    .app-features li { justify-content: center; }
    .app-btns { justify-content: center; }
}

/* ---- Mobile (≤ 768px) ---- */
@media (max-width: 768px) {

    /* --- NAV --- */
    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: rgba(5, 5, 5, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--glass-border);
        z-index: 1050;
        padding: 2rem;
    }

    .nav-links.open { right: 0; }

    .nav-links a { font-size: 1.1rem; }

    /* Hide "Rastrea Ahora" CTA button in navbar on mobile to save space */
    .btn-rastrea-ahora {
        display: none;
    }

    /* --- HEADER --- */
    header { padding: 1rem 0; }

    .logo img { width: 110px; }

    /* --- HERO --- */
    .hero {
        background: linear-gradient(180deg, rgba(5,5,5,0.85) 0%, rgba(5,5,5,0.6) 100%), url('../img/hero.rastreo.png') no-repeat center center/cover;
        min-height: 100svh;
        display: flex;
        align-items: center;
        padding-top: 80px;
        padding-bottom: 2rem;
    }


    .hero h1 { font-size: 2.8rem; line-height: 1.1; }

    .hero p { font-size: 1rem; margin-bottom: 2rem; }

    .hero-content {
        text-align: center;
        margin: 0 auto;
    }

    .hero-btns {
        justify-content: center;
        flex-direction: column;
        gap: 1.2rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }


    .btn-primary, .btn-secondary {
        padding: 1rem 2rem;
        text-align: center;
    }

    /* --- SECTIONS --- */
    .features, .pricing, .faqs, .contacto, .app-section, .adn-section {
        padding: 5rem 0;
    }

    .section-header h2 { font-size: 2.2rem; }
    .section-header { margin-bottom: 3rem; }

    /* --- FEATURE GRID --- */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card { padding: 2.2rem 1.5rem; border-radius: 20px; }
    .feature-card:hover { transform: none; }


    /* --- STATS --- */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-item { padding: 1.5rem 0.5rem; }
    .stat-number { font-size: 1.8rem; }
    .stat-label { font-size: 0.75rem; }


    /* --- PRICING --- */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Reset the scale(1.05) on featured card — it overflows on mobile */
    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover,
    .pricing-card:hover {
        transform: none;
    }


    .pricing-card { padding: 3rem 2rem; border-radius: 25px; }

    /* --- CONTACT FORM --- */
    .form-row { grid-template-columns: 1fr; }

    .contacto-form-container { padding: 2rem 1.5rem; border-radius: 25px; }

    .info-item:hover { transform: none; }

    /* --- APP SECTION --- */
    .app-content { gap: 3rem; }
    .app-text h2 { font-size: 2.2rem; }

    .app-visual img { max-width: 280px; margin: 0 auto; display: block; }

    .app-btns { flex-direction: column; align-items: center; }

    .btn-app { width: 200px; justify-content: center; }

    /* --- ADN SECTION (index) --- */
    .adn-grid { gap: 2rem; }
    .adn-card { padding: 2.2rem 1.5rem; }
    .adn-card:hover { transform: none; }
    .adn-card h3 { font-size: 1.5rem; }


    /* --- INTERACTIVE ADN PAGE --- */
    .adn-page-wrapper { padding: 9rem 1rem 4rem; }

    .glitch-text { font-size: 2.8rem; letter-spacing: 0; }

    .adn-page-header p { font-size: 1rem; }

    .interactive-adn-container {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .interactive-card {
        width: 100%;
        max-width: 400px;
        height: 450px;
        margin: 0 auto;
    }

    /* On mobile: disable hover flip, use tap (handled via JS class toggle) */
    .interactive-card:hover .card-inner {
        transform: none;
    }

    .card-front h2 { font-size: 2rem; }

    /* --- PLANES PAGE --- */
    .planes-page-wrapper { padding: 9rem 1rem 4rem; }

    /* --- FOOTER --- */
    .main-footer { padding: 4rem 0; }

    /* --- FAQS --- */
    .faq-question { padding: 1.5rem; }
    .faq-question h3 { font-size: 1rem; }
    .faq-answer { font-size: 0.9rem; }
}

/* ---- Small Mobile (≤ 480px) ---- */
@media (max-width: 480px) {
    .hero h1 { font-size: 2.2rem; }
    .glitch-text { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.9rem; }

    .container { padding: 0 1.2rem; }

    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .stat-number { font-size: 1.8rem; }

    .badge { font-size: 0.72rem; }

    .pricing-card { padding: 2.5rem 1.5rem; }
    .price .amount { font-size: 3rem; }

    .contacto-form-container { padding: 1.5rem 1rem; }

    .login-card { padding: 2.5rem 1.5rem; }

    .interactive-card { min-height: 340px; }
}

/* Botón llamativo Rastrea Ahora en Header */
.btn-rastrea-ahora {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.15rem;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.2);
    border: 2px solid transparent;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease, border-color 0.3s ease;
    animation: pulse-soft 3s infinite;
}

@keyframes pulse-soft {
    0%, 100% { box-shadow: 0 0 20px rgba(37, 99, 235, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.2); }
    50% { box-shadow: 0 0 35px rgba(37, 99, 235, 0.9), inset 0 0 15px rgba(255, 255, 255, 0.4); }
}

.btn-rastrea-ahora:hover {
    transform: translateY(-3px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    animation: none; /* stop pulse on hover */
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.8);
    color: #fff;
}