/* ==========================================
   VARIABLES Y RESET
   ========================================== */
:root {
    --color-primary: #DC0000;
    --color-primary-dark: #A00000;
    --color-secondary: #000000;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray: #8F8F8F;
    --color-gray-dark: #2C2C2C;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-secondary);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================
   UTILIDADES
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    margin: 0 auto;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-top: 16px;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo-img {
    height: 45px;
    width: auto;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    width: 28px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Navigation Wrapper */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-menu a {
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.btn-primary-nav {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 700;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary-nav:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    margin-top: 90px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-gray-dark) 100%);
    color: var(--color-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, var(--color-primary) 0%, transparent 70%),
        radial-gradient(circle at 80% 20%, rgba(220, 0, 0, 0.2) 0%, transparent 50%);
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle-inline {
    display: block;
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-top: 12px;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.hero-description strong {
    color: var(--color-primary);
    font-weight: 700;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(220, 0, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    padding: 16px 40px;
    border-radius: 8px;
    border: 2px solid var(--color-white);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-secondary);
}

.hero-image {
    position: relative;
}

.service-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    background: var(--color-gray-dark);
    min-height: 400px;
    object-fit: cover;
}

/* ==========================================
   ABOUT SERVICE
   ========================================== */
.about-service {
    padding: 100px 0;
    background: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-secondary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.benefits-list {
    list-style: none;
    margin-top: 30px;
}

.benefits-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    font-size: 1.1rem;
    color: var(--color-gray-dark);
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--color-gray-light);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.stat-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-secondary);
}

.stat-card p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ==========================================
   APP SECTION
   ========================================== */
.app-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-gray-dark) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.app-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(220, 0, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.app-container {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.app-mockup {
    position: relative;
}

.mockup-img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
    background: var(--color-gray-dark);
    border-radius: 24px;
    min-height: 500px;
    object-fit: cover;
}

.app-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.app-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.app-tagline {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.app-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    color: var(--color-white);
}

.feature-item p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.app-download {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-download {
    background: var(--color-white);
    color: var(--color-secondary);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.btn-download:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.download-icon {
    font-size: 1.3rem;
}

/* ==========================================
   SERVICES
   ========================================== */
.services {
    padding: 100px 0;
    background: var(--color-gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card.featured {
    border: 2px solid var(--color-primary);
    background: linear-gradient(135deg, var(--color-white) 0%, #FFF5F5 100%);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--color-secondary);
    font-weight: 700;
}

.service-card p {
    font-size: 1rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials {
    padding: 100px 0;
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: var(--color-gray-light);
    padding: 40px;
    border-radius: 12px;
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    font-size: 4rem;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
    font-weight: 700;
    opacity: 0.3;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 4px;
}

.testimonial-author p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ==========================================
   WHY US
   ========================================== */
.why-us {
    padding: 100px 0;
    background: var(--color-gray-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.why-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.why-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.2;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--color-secondary);
}

.why-card p {
    font-size: 1rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ==========================================
   CTA FINAL
   ========================================== */
.cta-final {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(220, 0, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-final h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.4rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary-large {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 20px 50px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary-large:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.btn-secondary-large {
    background: transparent;
    color: var(--color-white);
    padding: 20px 50px;
    border-radius: 8px;
    border: 2px solid var(--color-white);
    font-weight: 700;
    font-size: 1.2rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-secondary-large:hover {
    background: var(--color-white);
    color: var(--color-secondary);
    transform: translateY(-3px);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-tagline {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--color-primary);
    padding-left: 8px;
}

.contact-list li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

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

.social-link {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--color-primary);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .app-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .app-mockup {
        order: -1;
    }
    
    .app-download {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-wrapper {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        gap: 0;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .nav-wrapper.active {
        left: 0;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        width: 100%;
        margin-bottom: 24px;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu a {
        display: block;
        padding: 16px 0;
        font-size: 1.1rem;
        width: 100%;
    }
    
    .btn-primary-nav {
        width: 100%;
        text-align: center;
        padding: 16px 24px;
    }
    
    /* Overlay */
    .nav-wrapper.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 100%;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .nav-container {
        padding: 14px 20px;
    }
    
    .hero {
        margin-top: 70px;
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle-inline {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-final h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
    }
    
    .about-service,
    .services,
    .testimonials,
    .why-us {
        padding: 60px 0;
    }
    
    .app-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle-inline {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .app-title {
        font-size: 2.2rem;
    }
    
    .cta-final h2 {
        font-size: 1.6rem;
    }
    
    .cta-subtitle {
        font-size: 1.1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}