/* ================================
   INDEX.CSS - LANDING PAGE PROFESIONAL
   Consistente con base.css y sistema de diseño
   ================================ */

/* ================================
   RESET ESPECÍFICO
   ================================ */
.landing-header,
.hero-section,
.features-section,
.quick-start-section,
.final-cta-section,
.landing-footer {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ================================
   HEADER LANDING
   ================================ */
.landing-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

    .brand-logo:hover {
        transform: translateX(-2px);
        text-decoration: none;
    }

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-accent);
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

    .nav-link:hover {
        color: var(--primary-accent);
        background: var(--primary-light);
        text-decoration: none;
    }

.nav-link-primary {
    background: var(--gradient-primary);
    color: white !important;
    box-shadow: var(--shadow-accent);
    font-weight: 600;
}

    .nav-link-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-accent), var(--shadow-md);
        background: var(--primary-dark) !important;
    }

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
}

    .mobile-menu-toggle span {
        width: 24px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

/* ================================
   HERO SECTION
   ================================ */
.hero-section {
    padding: 6rem 2rem 4rem;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 800px;
        height: 800px;
        background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
        opacity: 0.5;
        pointer-events: none;
    }

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-light);
    color: var(--primary-accent);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid var(--primary-accent);
}

    .hero-badge i {
        font-size: 0.85rem;
    }

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-accent);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-primary);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn-hero {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    border: none;
}

    .btn-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s ease;
    }

    .btn-hero:hover::before {
        left: 100%;
    }

    .btn-hero:hover {
        transform: translateY(-2px);
        text-decoration: none;
    }

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-accent);
}

    .btn-primary:hover {
        box-shadow: var(--shadow-accent), var(--shadow-md);
    }

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
}

    .btn-secondary:hover {
        background: var(--bg-secondary);
        border-color: var(--primary-accent);
        color: var(--primary-accent);
    }

.hero-note {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

    .hero-note i {
        color: var(--success-color);
    }

/* ================================
   FEATURES SECTION
   ================================ */
.features-section {
    padding: 6rem 2rem;
    background: var(--bg-primary);
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gradient-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.3s ease;
    }

    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary-accent);
    }

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-accent);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.feature-link {
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
}

    .feature-link:hover {
        gap: 0.5rem;
        text-decoration: none;
    }

    .feature-link i {
        font-size: 0.8rem;
    }

/* ================================
   QUICK START SECTION
   ================================ */
.quick-start-section {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

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

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

.step-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

    .step-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-accent);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

    .step-description code {
        background: var(--bg-secondary);
        color: var(--primary-accent);
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-family: 'Courier New', monospace;
        font-size: 0.9rem;
        font-weight: 600;
    }

.quick-start-cta {
    text-align: center;
}

.btn-cta {
    padding: 1rem 2.5rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-accent);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

    .btn-cta:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-accent), var(--shadow-lg);
        text-decoration: none;
    }

/* ================================
   FINAL CTA SECTION
   ================================ */
.final-cta-section {
    padding: 6rem 2rem;
    background: var(--bg-primary);
}

.final-cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-bg);
    padding: 4rem 2rem;
    border-radius: 24px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

    .final-cta-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-primary);
    }

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-cta-secondary {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary-accent);
    border: 1px solid var(--primary-accent);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

    .btn-cta-secondary:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
        text-decoration: none;
    }

/* ================================
   FOOTER
   ================================ */
.landing-footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    padding: 3rem 2rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    transition: color 0.2s ease;
}

    .footer-column a:hover {
        color: var(--primary-accent);
        text-decoration: none;
    }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-primary);
}

    .footer-bottom p {
        color: var(--text-muted);
        font-size: 0.85rem;
        margin: 0;
    }

/* ================================
   DARK MODE TOGGLE
   ================================ */
#mode-toggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-accent), var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    font-size: 1.2rem;
}

    #mode-toggle:hover {
        transform: scale(1.1) rotate(180deg);
        box-shadow: var(--shadow-accent), var(--shadow-lg);
    }

/* ================================
   RESPONSIVE DESIGN
   ================================ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-divider {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-hero {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .final-cta-container {
        padding: 3rem 1.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .landing-header {
        padding: 1rem;
    }

    .hero-section {
        padding: 4rem 1rem;
    }

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

    .stat-number {
        font-size: 1.5rem;
    }

    .features-section,
    .quick-start-section,
    .final-cta-section {
        padding: 4rem 1rem;
    }

    .feature-card,
    .step-card {
        padding: 1.5rem;
    }

    #mode-toggle {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

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

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ================================
   ACCESIBILIDAD
   ================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--primary-accent);
    outline-offset: 2px;
}