/* ============================================
   FACTORA - ESTILOS PRINCIPALES
   Solo estilos globales (header, footer, botones, home)
   ============================================ */

:root {
    --factora-red: #ff5045;
    --factora-blue: #0b1e57;
    --factora-white: #ffffff;
    --factora-bg-light: #f9fafc;
    --factora-gray: #eef1f6;
    --factora-text-dark: #121212;
    --factora-text-gray: #4b5563;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.15);
    --transition-fast: all 0.2s ease;
    --transition-base: all 0.3s cubic-bezier(0.2, 0, 0, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #ffffff;
    color: var(--factora-text-dark);
    line-height: 1.5;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap');

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.75rem; letter-spacing: -0.01em; margin-bottom: 1rem; }
h3 { font-size: 1.75rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Botones */
.btn-primary {
    display: inline-block;
    background-color: var(--factora-red);
    color: white;
    font-weight: 600;
    padding: 16px 36px;
    border-radius: 60px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition-base);
    box-shadow: 0 8px 20px rgba(255, 80, 69, 0.3);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary:hover {
    background-color: #e03c32;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 28px rgba(255, 80, 69, 0.4);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--factora-blue);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 60px;
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition-base);
    border: 2px solid var(--factora-blue);
    cursor: pointer;
    text-align: center;
}

.btn-secondary:hover {
    background-color: var(--factora-blue);
    color: white;
    transform: translateY(-2px);
}

/* Header */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 100;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--factora-blue);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo span { color: var(--factora-red); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--factora-blue);
    text-decoration: none;
    padding: 10px 20px;
    font-weight: 500;
    transition: var(--transition-fast);
    border-radius: 40px;
}

.nav-links a:hover {
    color: var(--factora-red);
    background-color: rgba(255, 80, 69, 0.05);
}

.nav-links a.active {
    color: var(--factora-red);
    font-weight: 600;
}

.nav-links .btn-demo {
    background-color: var(--factora-red);
    color: white;
    padding: 10px 24px;
    margin-left: 8px;
    box-shadow: 0 4px 10px rgba(255, 80, 69, 0.2);
}

.nav-links .btn-demo:hover {
    background-color: #d1342b;
    color: white;
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--factora-blue);
}

/* Hero */
.hero {
    background: linear-gradient(145deg, var(--factora-blue) 0%, #05102e 100%);
    color: white;
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle at 70% 20%, rgba(255, 80, 69, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero h1 { margin-bottom: 24px; }
.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 550px;
}

.hero-cta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* Trust Bar */
.trust-bar {
    background-color: var(--factora-bg-light);
    padding: 32px 0;
    border-bottom: 1px solid #e0e5ed;
}

.trust-logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    color: #6b7280;
    font-weight: 500;
    font-size: 1.1rem;
}

.trust-logos span {
    filter: grayscale(1);
    opacity: 0.7;
    transition: var(--transition-fast);
    font-size: 1.3rem;
    letter-spacing: 1px;
}

.trust-logos span:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.05);
    color: var(--factora-blue);
}

/* Stats */
.stats-section {
    background-color: var(--factora-blue);
    color: white;
    padding: 80px 0;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.stat-number span {
    color: var(--factora-red);
    min-width: 120px;
    display: inline-block;
    text-align: right;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.85;
    max-width: 280px;
    margin-top: 12px;
}

/* Pains */
.pains {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--factora-blue);
}

.section-sub {
    text-align: center;
    font-size: 1.2rem;
    color: var(--factora-text-gray);
    max-width: 700px;
    margin: 0 auto 48px;
}

.pains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.pain-card {
    background: var(--factora-bg-light);
    padding: 32px 24px;
    border-radius: 28px;
    transition: var(--transition-base);
    border: 1px solid transparent;
}

.pain-card:hover {
    border-color: var(--factora-red);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 30px -10px rgba(255, 80, 69, 0.2);
    background: white;
}

.pain-icon {
    background-color: rgba(255, 80, 69, 0.1);
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: var(--transition-base);
}

.pain-card:hover .pain-icon {
    background-color: var(--factora-red);
    transform: rotate(5deg) scale(1.1);
}

.pain-icon i {
    font-size: 2rem;
    color: var(--factora-red);
    transition: color 0.3s;
}

.pain-card:hover .pain-icon i {
    color: white;
}

.pain-card h3 {
    font-size: 1.5rem;
    color: var(--factora-red);
    margin-bottom: 16px;
}

.pain-card p {
    color: var(--factora-text-gray);
}

/* Benefits */
.benefits {
    background-color: var(--factora-bg-light);
    padding: 80px 0;
}

.benefit-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.benefit-block.reverse {
    direction: rtl;
}
.benefit-block.reverse .benefit-text {
    direction: ltr;
}

.benefit-text h3 {
    font-size: 2rem;
    color: var(--factora-blue);
    margin-bottom: 20px;
}

.benefit-text p {
    font-size: 1.1rem;
    color: #2d3a5e;
    line-height: 1.6;
}

.benefit-graphic {
    background: linear-gradient(145deg, var(--factora-blue), #122a6b);
    border-radius: 40px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.benefit-graphic i {
    font-size: 4rem;
    color: var(--factora-red);
    opacity: 0.9;
    z-index: 2;
}

/* Steps */
.steps {
    padding: 80px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}

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

.step-circle {
    width: 80px;
    height: 80px;
    border: 3px solid var(--factora-red);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    font-weight: 700;
    color: var(--factora-blue);
    background: white;
    transition: var(--transition-base);
}

.step-item:hover .step-circle {
    background: var(--factora-red);
    color: white;
    box-shadow: 0 0 0 8px rgba(255, 80, 69, 0.2);
}

/* Pricing */
.pricing {
    background-color: var(--factora-blue);
    padding: 80px 0;
}

.pricing .section-title {
    color: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 48px;
}

.card {
    background: white;
    border-radius: 32px;
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.card.recommended {
    border-top: 6px solid var(--factora-red);
    transform: scale(1.02);
}

.card.recommended::before {
    content: "RECOMENDADO";
    position: absolute;
    top: 16px;
    right: -36px;
    background: var(--factora-red);
    color: white;
    padding: 6px 40px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.card h4 {
    font-size: 1.75rem;
    color: var(--factora-blue);
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 20px 0 8px;
    color: var(--factora-blue);
}

.price small {
    font-size: 0.9rem;
    font-weight: 400;
    color: #6b7280;
}

.old-price {
    color: var(--factora-red);
    text-decoration: line-through;
    font-size: 1.2rem;
    margin-left: 8px;
}

.features-list {
    list-style: none;
    margin: 24px 0;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid #edf2f7;
    display: flex;
    align-items: center;
    gap: 8px;
}

.features-list li i {
    color: var(--factora-red);
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quote {
    font-size: 1.5rem;
    color: #1f2937;
    line-height: 1.4;
}

.quote i {
    color: var(--factora-red);
    font-size: 2.2rem;
    opacity: 0.5;
    margin-right: 8px;
}

.author {
    margin-top: 24px;
    font-weight: 600;
    color: var(--factora-blue);
}

/* CTA Final */
.cta-final {
    background: linear-gradient(135deg, var(--factora-blue) 0%, var(--factora-red) 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-final h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.btn-white {
    background-color: white;
    color: var(--factora-blue);
    padding: 16px 48px;
    border-radius: 60px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    display: inline-block;
    margin-top: 32px;
    transition: var(--transition-base);
}

.btn-white:hover {
    transform: translateY(-3px) scale(1.02);
    background: #f5f5f5;
}

/* Footer */
footer {
    background-color: #0a0e1f;
    color: #a0a8c0;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo span {
    color: var(--factora-red);
}

.footer-about p {
    margin: 16px 0;
    line-height: 1.6;
}

.footer-col h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #a0a8c0;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    color: #a0a8c0;
    font-size: 1.4rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--factora-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.2rem; }
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .benefit-block { grid-template-columns: 1fr; text-align: center; }
    .benefit-block.reverse { direction: ltr; }
    .steps-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .navbar { padding: 16px 20px; }
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-radius: 24px;
        margin: 0 20px;
        z-index: 200;
    }
    .nav-links.active { display: flex; }
    .nav-links a { width: 100%; text-align: center; padding: 12px; }
    .stats-grid { gap: 40px; }
    .stat-number { font-size: 2.8rem; }
    .pricing-cards { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .trust-logos { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .social-links { justify-content: center; }
}