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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Header fijo */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

    .logo:hover {
        transform: scale(1.05);
    }

/* Botón hamburguesa */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

nav {
    display: flex;
    gap: 2rem;
    transition: all 0.3s ease;
}

    nav a {
        text-decoration: none;
        color: #333;
        font-weight: 500;
        padding: 0.5rem 1rem;
        border-radius: 25px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

        nav a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        nav a:hover::before {
            left: 100%;
        }

        nav a:hover {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

.nav-registro {
    background: linear-gradient(45deg, #667eea, #764ba2) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 0.7rem 1.5rem !important;
    margin-left: 1rem;
    box-shadow: 0 3px 15px rgba(102, 126, 234, 0.3);
}

    .nav-registro:hover {
        background: linear-gradient(45deg, #5a6fd8, #6b42a0) !important;
        transform: translateY(-3px) !important;
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5) !important;
    }

.nav-negocio {
    background: linear-gradient(45deg, #ff6b6b, #ee5a52) !important;
}

    .nav-negocio:hover {
        background: linear-gradient(45deg, #ff5252, #e53e3e) !important;
        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.5) !important;
    }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
        opacity: 0.3;
    }

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    animation: fadeInUp 1s ease;
}

.hero-text p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: fadeInUp 1s ease 0.4s both;
}

    .cta-button:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        background: #f8f9ff;
    }

.hero-image {
    text-align: center;
    animation: fadeInRight 1s ease 0.6s both;
}

    .hero-image img {
        max-width: 100%;
        height: auto;
        filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
        animation: float 6s ease-in-out infinite;
    }

/* Secciones */
section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.features {
    background: white;
    border-radius: 30px;
    margin: 2rem auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    overflow: hidden;
}

    .features h2 {
        text-align: center;
        font-size: 2.5rem;
        color: #333;
        margin-bottom: 3rem;
        position: relative;
    }

        .features h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 2px;
        }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    }

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 3rem 5%;
}

    footer p {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

    .download-buttons a {
        transition: transform 0.3s ease;
    }

        .download-buttons a:hover {
            transform: scale(1.05);
        }

    .download-buttons img {
        height: 60px;
        border-radius: 10px;
    }

.copy {
    font-size: 0.9rem !important;
    color: #999;
    margin-bottom: 0 !important;
}

/* Cards de acceso */
.access-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 2px solid transparent;
}

    .access-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 50px rgba(0,0,0,0.15);
        border-color: #667eea;
    }

.access-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.access-card h4 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.access-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.access-button {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

    .access-button.negocio {
        background: linear-gradient(45deg, #ff6b6b, #ee5a52);
    }

.access-card:hover .access-button {
    transform: scale(1.05);
}

/* Botón scroll to top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

    .scroll-top.show {
        opacity: 1;
        visibility: visible;
    }

    .scroll-top:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
    }

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

        nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        nav a {
            padding: 1rem 2rem;
            margin: 0;
            border-radius: 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

            nav a:last-child {
                border-bottom: none;
            }

    .nav-registro {
        margin-left: 0 !important;
        margin: 0.5rem 1rem !important;
        border-radius: 25px !important;
        border: none !important;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    header {
        padding: 1rem 3%;
    }

    section {
        padding: 3rem 3%;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

    .features h2 {
        font-size: 2rem;
    }

    header {
        padding: 1rem 2%;
    }

    section {
        padding: 2rem 2%;
    }
}