:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #60a5fa;
    --bg-color: #f0f4f8;
    --text-color: #0f172a;
    --glass-bg: #ffffff;
    --glass-border: #e2e8f0;
    --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Background elements for modern look */
body::before, body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
}

body::before {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
}

body::after {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: -100px;
    right: -100px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

/* Navbar */
header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1000px;
    z-index: 1000;
}

.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--glass-shadow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn-contacto {
    background: var(--primary-color);
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
}

.btn-contacto:hover {
    background: var(--primary-hover);
    color: white !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: 0.3s;
}

/* Sections */
.section {
    padding: 6rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    scroll-margin-top: 100px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
    padding: 4rem 2rem;
    margin: 2rem auto;
    max-width: 1200px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    white-space: nowrap;
    text-align: center;
}

.btn.primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn.primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn.secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
}

.btn.secondary:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

.full-width {
    width: 100%;
}

/* Hero */
.hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 10rem;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero h1 {
    font-size: 4rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.floating {
    max-width: 100%;
    height: auto;
    animation: floating 4s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.15));
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Content Split */
.content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.text-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    background: #f8fafc;
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glass-shadow);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.card {
    padding: 2rem;
    margin: 0;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card h3 {
    color: var(--primary-color);
}

.small-text {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 1rem;
}

/* Alert Box */
.alert-box {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border-left: 4px solid #ef4444;
    padding: 2rem;
    border-radius: 0 16px 16px 0;
}

.alert-box ul {
    margin-top: 1rem;
    margin-left: 1.5rem;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: background 0.3s, transform 0.3s;
}

.contact-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: #f8fafc;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group textarea {
    resize: none;
    overflow: hidden;
    min-height: 120px;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
}

.form-status.success {
    color: #10b981;
}

.form-status.error {
    color: #ef4444;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(150%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.4s;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.success .toast-icon {
    color: #10b981;
    font-size: 1.2rem;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.error .toast-icon {
    color: #ef4444;
    font-size: 1.2rem;
}

.toast-message {
    font-weight: 600;
    color: var(--text-color);
}

/* Footer Moderno */
.modern-footer {
    background: #ffffff;
    border-top: 1px solid var(--glass-border);
    padding: 5rem 2rem 2rem;
    margin-top: 6rem;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.02);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.footer-brand p {
    color: #475569;
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 400px;
}

.footer-links h3, .footer-contact h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links ul, .footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li, .footer-contact li {
    margin-bottom: 1rem;
}

.footer-links a, .footer-contact a {
    color: #64748b;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
}

.footer-links a:hover, .footer-contact a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: #64748b;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.developer-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.developer-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.developer-info a:hover {
    color: var(--primary-hover);
}

.developer-info .dev-link {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.developer-info .dev-link:hover {
    background: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: calc(100% + 15px);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--glass-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid var(--glass-border);
        padding: 2rem;
        border-radius: 24px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        gap: 1.5rem;
        clip-path: circle(0% at 90% -10%);
        transition: clip-path 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .nav-links.active {
        clip-path: circle(150% at 90% -10%);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .footer-brand h2, .footer-links a, .footer-contact a {
        justify-content: center;
    }

    .footer-brand p {
        margin: 0 auto;
    }

    .footer-links a:hover, .footer-contact a:hover {
        transform: translateY(-2px);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .developer-info {
        flex-direction: column;
        gap: 1rem;
    }

    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .content-split {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .glass {
        padding: 2.5rem 1.5rem;
        margin: 1.5rem auto;
    }
}

/* Móviles pequeños */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .section {
        padding: 4rem 1.5rem;
    }
    
    .hero.section {
        padding-top: 8rem;
    }
    
    .glass {
        padding: 2rem 1.2rem;
    }

    .modern-footer {
        padding: 4rem 1.5rem 2rem;
    }
}