/* ===================================
   VARIABLES CSS
   =================================== */
:root {
    --color-primary: #8b5cf6;
    --color-primary-dark: #7c3aed;
    --color-secondary: #a78bfa;
    --color-bg: #ffffff;
    --color-bg-gray: #f9fafb;
    --color-gray-light: #e5e7eb;
    --color-gray: #9ca3af;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --transition: all 0.3s ease;
}

/* ===================================
   RESET Y BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

html {
    scroll-behavior: smooth;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   HEADER Y NAVEGACIÓN
   =================================== */
header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Menu Toggle (Hamburguesa) */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: var(--transition);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--color-bg-gray) 0%, #ffffff 100%);
    padding: 5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.hero p {
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-image {
    flex: 1;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    animation: float 3s ease-in-out infinite;
}

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

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.cta-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

/* ===================================
   CONTAINER GENERAL
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

/* ===================================
   CONTENT GRID
   =================================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* ===================================
   CONTENT CARDS
   =================================== */
.content-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 2px solid var(--color-gray-light);
    text-align: center;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(139, 92, 246, 0.2);
    border-color: var(--color-secondary);
}

.card-image {
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 10px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-gray);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.content-card:hover .card-image img {
    transform: scale(1.05);
}

.content-card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.content-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.content-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.card-button {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    background-color: var(--color-bg-gray);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--color-secondary);
}

.card-button:hover {
    background-color: var(--color-primary);
    color: white;
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    background-color: var(--color-bg-gray);
    padding: 4rem 0;
}

.features-highlight {
    background-color: var(--color-bg-gray);
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 15px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(139, 92, 246, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.feature-item h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--color-text-light);
}

/* ===================================
   NEWSLETTER SECTION
   =================================== */
.newsletter {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.newsletter h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto 1rem;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2rem;
    background-color: white;
    color: var(--color-primary);
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--color-bg-gray);
    transform: scale(1.05);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    background-color: rgba(34, 197, 94, 0.2);
    color: white;
    display: block;
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.2);
    color: white;
    display: block;
}

/* ===================================
   FOOTER
   =================================== */
footer {
    background-color: var(--color-text);
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--color-gray);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--color-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray);
}

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

    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-primary-dark);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-links li {
        margin: 1rem 0;
    }

    /* Hero */
    .hero {
        flex-direction: column;
        padding: 3rem 2rem;
        text-align: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .hero-image {
        max-width: 100%;
    }

    /* Section Headers */
    .section-header h2 {
        font-size: 2rem;
    }

    /* Newsletter */
    .newsletter-form {
        flex-direction: column;
    }

    /* Content Grid */
    .content-grid {
        grid-template-columns: 1fr;
    }

    /* Container */
    .container {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

/* ===================================
   ANIMACIONES
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}