:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-secondary: #09090B;
    --bg-tertiary: #18181B;

    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;

    --accent-color: var(--primary-400);
    --accent-glow: rgba(56, 189, 248, 0.5);

    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-tertiary: #A1A1AA;
    --text-quaternary: #71717A;

    /* Fonts */
    --font-sans: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --container-padding: 2rem;
    --max-width: 1200px;

    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-bg: rgba(24, 24, 27, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-accent {
    color: var(--accent-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-400);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-400);
    color: var(--primary-400);
}

.btn-outline:hover {
    background: rgba(56, 189, 248, 0.1);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn-glow {
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.btn-pulse {
    animation: pulse-blue 2s infinite;
}

@keyframes pulse-blue {
    0% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(56, 189, 248, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
    }
}

.glass-pill {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
    padding: 0.75rem 0;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--primary-400);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    /* navbar height */
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-block;
    color: var(--primary-400);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 4.75rem;
    /* 76px */
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-image {
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.visual-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--primary-400);
    filter: blur(100px);
    opacity: 0.2;
    border-radius: 50%;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Social Proof */
.social-proof {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.badges-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--primary-50);
    font-family: var(--font-mono);
}

/* Services */
.services {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
}

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

.flip-card {
    background-color: transparent;
    height: 300px;
    /* Fixed height for homogeneity */
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 1rem;
    overflow: hidden;
}

.flip-card-front {
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: flex-end;
    /* Title at bottom */
}

.flip-card-front img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.8;
}

.card-overlay {
    position: relative;
    z-index: 2;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    width: 100%;
    padding: 1.5rem;
    text-align: left;
}

.card-overlay h3 {
    margin: 0;
    font-size: 1.25rem;
}

.flip-card-back {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    border: 1px solid var(--primary-900);
}

.flip-card-back h3 {
    color: var(--primary-400);
    margin-bottom: 1rem;
}

.flip-card-back p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(56, 189, 248, 0.1);
    color: var(--primary-300);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Dashboard Metrics */
.dashboard-metrics {
    padding: 4rem 0;
    background: radial-gradient(circle at center, rgba(12, 74, 110, 0.3) 0%, rgba(0, 0, 0, 1) 70%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.metric-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-400);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.metric-label {
    display: block;
    color: var(--text-tertiary);
    font-size: 1rem;
    font-weight: 500;
}

/* Lead Capture Form */
.lead-capture {
    padding: 6rem 0;
    background-color: var(--bg-primary);
    position: relative;
}

.form-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem;
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.form-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

textarea {
    resize: vertical;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    min-height: 1.5rem;
}

.form-status.success {
    color: #4ade80;
}

.form-status.error {
    color: #f87171;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(56, 189, 248, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-400);
    animation: spin 1s ease-in-out infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary-400);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fallback-avatar {
    display: none;
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    color: var(--primary-400);
    font-size: 5rem;
    font-weight: 700;
    align-items: center;
    justify-content: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-bio p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.skills-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.link-arrow {
    color: var(--primary-400);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.link-arrow:hover {
    gap: 0.8rem;
}

/* CTA Final */
.cta-final {
    padding: 6rem 0;
    text-align: center;
    background: radial-gradient(circle at center, rgba(2, 132, 199, 0.2) 0%, rgba(0, 0, 0, 1) 70%);
}

.cta-final h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-final p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.25rem;
}

.whatsapp-direct {
    margin-top: 2rem;
    font-size: 1rem;
    color: var(--text-tertiary);
}

.whatsapp-direct a {
    color: var(--primary-400);
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
}

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

.copyright {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-links .col {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links h4 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-400);
}

/* Particles Container */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-400);
    opacity: 0.3;
    animation: rise var(--duration) linear infinite;
    bottom: -20px;
}

@keyframes rise {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    20% {
        opacity: 0.5;
    }

    80% {
        opacity: 0.5;
    }

    100% {
        transform: translateY(calc(-100vh - 50px)) translateX(var(--drift));
        opacity: 0;
    }
}

/* Mobile Menu Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
}

.mobile-nav-overlay.open {
    display: flex;
}

.mobile-nav-overlay a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition);
}

.mobile-nav-overlay a:hover {
    color: var(--primary-400);
}

.mobile-nav-overlay .close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

/* Mobile menu active state */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Hero fallback visual */
.hero-visual-fallback {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-visual-fallback svg {
    width: 100%;
    height: 100%;
    animation: float 6s ease-in-out infinite;
}

/* Flip card mobile active state */
.flip-card-inner.flipped-active {
    transform: rotateY(180deg);
}

/* Select dark option fix */
select option {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* Digitalizacion Section */
#digitalizacion {
    padding: 6rem 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

#digitalizacion::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.digitalizacion-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.digitalizacion-text h2 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
}

.digitalizacion-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.digitalizacion-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.step-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin: 0;
}

.digitalizacion-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.platform-card {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.platform-card:hover {
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.1);
}

.platform-card .platform-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.platform-card .platform-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        padding-top: 2rem;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto 2rem;
    }

    .hero-actions {
        justify-content: center;
        flex-direction: column;
    }

    .nav-links,
    .navbar .btn {
        display: none;
    }

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

    .form-card {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .skills-row {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        gap: 2rem;
        flex-direction: column;
    }

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

    .digitalizacion-visual {
        grid-template-columns: 1fr 1fr;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cta-final h2 {
        font-size: 2rem;
    }
}