:root {
    --bg-dark: #0a0e27;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-blue: #3b82f6;
    --accent-violet: #8b5cf6;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-logo a {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--accent-violet));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-decoration: none;
}

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

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

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn-cta {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: white;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Hero */
.hero, .hero-tools, .hero-cases, .hero-about, .hero-contact {
    min-height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before, .hero-tools::before, .hero-cases::before, .hero-about::before, .hero-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%);
}

.hero-content, .hero-tools .container, .hero-cases .container, .hero-about .container, .hero-contact .container {
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Dashboard preview */
.dashboard-preview {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.5rem;
    width: 300px;
    margin: 2rem auto 0;
    text-align: left;
}

.dashboard-score {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.score-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: center;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

/* Tools scroll */
.tools-scroll {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    padding-bottom: 1rem;
    scrollbar-width: thin;
}

.tool-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    min-width: 280px;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
}

.tool-card.featured {
    border: 1px solid var(--accent-blue);
}

.tool-badge {
    display: inline-block;
    background: var(--accent-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    margin-bottom: 1rem;
}

.tool-card ul {
    list-style: none;
    margin: 1rem 0;
}

.tool-card li {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

/* Phases */
.phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.phase-card {
    background: var(--glass-bg);
    border-radius: 16px;
    padding: 1.5rem;
}

/* Pricing */
.pricing-tool {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.pricing-option {
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.comparativa-table {
    overflow-x: auto;
}

.table-header, .table-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr 0.8fr;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.table-header {
    font-weight: 700;
    color: var(--accent-blue);
}

/* Cases */
.case-card {
    margin-bottom: 2rem;
}

.case-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.stat-item {
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.stat-old {
    color: var(--text-secondary);
    text-decoration: line-through;
}

.stat-new {
    color: var(--accent-blue);
    font-weight: 700;
}

/* Philosophy */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.principle-card {
    padding: 1.5rem;
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Contact */
.form-card, .contact-info {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--glass-bg);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    color: white;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.accordion-content {
    max-height: 0;
    padding: 0 1rem;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-secondary);
}

.accordion-content.active {
    max-height: 200px;
    padding: 0 1rem 1rem;
}

/* CTA final */
.final-cta .cta-card {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.trust-signals {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--accent-violet));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

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

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding: 1rem 0;
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .header .btn-cta {
        display: none;
    }
    .section {
        padding: 3rem 0;
    }
    .hero-headline {
        font-size: 2rem;
    }
    .process-steps {
        grid-template-columns: 1fr;
    }
    .table-header, .table-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}