:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Hero Section */
.hero {
    background: var(--gradient-1);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.capability-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.capability-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.capability-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.capability-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.capability-card ul {
    list-style: none;
}

.capability-card li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.capability-card li:last-child {
    border-bottom: none;
}

.capability-card li::before {
    content: '✓';
    color: var(--success);
    margin-right: 10px;
}

/* Project Showcase */
.project-showcase {
    max-width: 800px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
}

.project-card.featured {
    border: 2px solid var(--primary);
    position: relative;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.project-badge {
    background: var(--success);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-card h3 {
    font-size: 1.5rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.project-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.feature {
    background: var(--bg-dark);
    padding: 15px;
    border-radius: 10px;
}

.feature strong {
    display: block;
    color: var(--primary);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.feature span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tech-tag {
    background: var(--bg-dark);
    color: var(--secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--secondary);
}

.project-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s;
}

.project-link:hover {
    color: var(--secondary);
}

/* Ideas Grid */
.ideas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.idea-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.idea-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.idea-card::before {
    content: attr(data-difficulty);
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 0.7rem;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 600;
}

.idea-card[data-difficulty="facil"]::before {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.idea-card[data-difficulty="medio"]::before {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent);
}

.idea-card[data-difficulty="avancado"]::before {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.idea-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.idea-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.idea-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.idea-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.idea-tags span {
    background: var(--bg-dark);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
}

/* How it Works */
.how-it-works {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    padding: 30px 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 60px 30px;
    margin: 40px 0;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

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

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

/* Footer */
footer {
    background: var(--bg-card);
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-content p {
    color: var(--text-secondary);
}

.footer-sub {
    font-size: 0.85rem;
    margin-top: 5px;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .capabilities-grid,
    .ideas-grid {
        grid-template-columns: 1fr;
    }

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