/* ========================================
   B-OS AI - Landing Page Styles
   Paleta: Azul (#007AFF) + Verde (#32CD32)
   Fondo: Oscuro (#1A1A1A)
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Colors */
    --color-primary-blue: #007AFF;
    --color-primary-green: #32CD32;
    --color-dark-bg: #1A1A1A;
    --color-dark-section: #0F0F0F;
    --color-text-light: #FFFFFF;
    --color-text-muted: #CCCCCC;
    --color-text-gray: #999999;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #007AFF 0%, #32CD32 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(0, 122, 255, 0.1) 0%, rgba(50, 205, 50, 0.1) 100%);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 122, 255, 0.3);
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-green);
}

/* ========== UTILITIES ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header.centered {
    text-align: center;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight {
    color: var(--color-primary-green);
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* ========== HEADER / NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    gap: var(--spacing-md);
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--color-text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-light);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-primary-green);
}

.nav-link.cta-nav {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
}

/* Language Selector */
.language-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.6rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-light);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.lang-btn.active {
    border-color: var(--color-primary-blue);
    background: rgba(0, 122, 255, 0.1);
    box-shadow: 0 0 10px rgba(0, 122, 255, 0.3);
}

.lang-btn img {
    width: 20px;
    height: 20px;
    border-radius: 2px;
    object-fit: cover;
}

.lang-btn span {
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text-light);
    position: relative;
    transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--color-text-light);
    transition: all var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--color-primary-green);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 1.2em;
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    background: linear-gradient(180deg, var(--color-dark-bg) 0%, var(--color-dark-section) 100%);
    overflow: hidden;
}

.particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo-container {
    margin-bottom: var(--spacing-md);
}

.brain-globe {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.brain-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(var(--shadow-glow));
}

.orbit {
    animation: rotate 20s linear infinite;
    transform-origin: center;
}

.orbit-1 {
    animation-duration: 15s;
}

.orbit-2 {
    animation-duration: 25s;
    animation-direction: reverse;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.pronunciation {
    font-size: 0.9em;
    color: var(--color-text-gray);
    font-style: italic;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-gray);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-text {
    display: block;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary-blue);
    border-bottom: 2px solid var(--color-primary-blue);
    transform: rotate(45deg);
    margin: 0 auto;
}

/* ========== PROBLEM SECTION ========== */
.problem-section {
    background: var(--color-dark-section);
}

.problem-content {
    display: grid;
    gap: var(--spacing-lg);
}

.quote-card {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05) 0%, rgba(50, 205, 50, 0.05) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.quote-icon {
    font-size: 4rem;
    color: var(--color-primary-blue);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    left: 20px;
    font-family: Georgia, serif;
}

.quote-text {
    position: relative;
    z-index: 2;
    font-size: 1.1rem;
    line-height: 1.8;
}

.quote-text strong {
    color: var(--color-primary-green);
}

.quote-highlight {
    font-size: 1.2rem;
    margin-top: var(--spacing-md);
}

.quote-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
}

.avatar-initials {
    color: white;
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.author-title {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    line-height: 1.4;
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.pain-point {
    text-align: center;
    padding: var(--spacing-md);
}

.pain-icon {
    margin-bottom: var(--spacing-sm);
}

.pain-title {
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
}

.pain-description {
    color: var(--color-text-muted);
}

/* ========== SOLUTION SECTION ========== */
.solution-section {
    background: var(--color-dark-bg);
}

.solution-architecture {
    margin: var(--spacing-lg) 0;
    position: relative;
}

.architecture-diagram {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-brain {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
    box-shadow: var(--shadow-glow);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brain-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}

.core-label {
    font-weight: 700;
    color: white;
    z-index: 2;
    position: relative;
}

.agent-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.agent-node {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(26, 26, 26, 0.9);
    border: 2px solid var(--color-primary-blue);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
}

.agent-finance {
    top: 0;
    left: 0;
}

.agent-marketing {
    top: 0;
    right: 0;
}

.agent-ops {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.agent-icon {
    font-size: 2rem;
}

.agent-label {
    font-size: 0.85rem;
    font-weight: 600;
}

.connection-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.connection {
    stroke-dasharray: 5, 5;
    animation: dash 1s linear infinite;
}

@keyframes dash {
    to { stroke-dashoffset: -10; }
}

.solution-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.pillar-card {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05) 0%, rgba(50, 205, 50, 0.05) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-blue);
    box-shadow: var(--shadow-lg);
}

.pillar-card.highlight-card {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(50, 205, 50, 0.1) 100%);
    border: 2px solid var(--color-primary-green);
}

.pillar-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.pillar-title {
    margin-bottom: var(--spacing-sm);
}

.subtitle-small {
    font-size: 0.7em;
    color: var(--color-text-gray);
    font-weight: 400;
}

.pillar-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.pillar-features {
    list-style: none;
}

.pillar-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-primary-green);
}

.comparison-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
}

.vs-label {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.vs-label:first-child {
    background: rgba(255, 255, 255, 0.1);
    opacity: 0.5;
}

.vs-label.highlight {
    background: var(--gradient-primary);
    font-weight: 700;
}

.vs-arrow {
    color: var(--color-primary-green);
    font-weight: 700;
}

/* ========== HOW IT WORKS SECTION ========== */
.how-it-works-section {
    background: var(--color-dark-section);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background: rgba(0, 122, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-blue);
}

.step-card.highlight-card {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(50, 205, 50, 0.1) 100%);
    border-color: var(--color-primary-green);
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
}

.step-icon {
    margin-bottom: var(--spacing-md);
}

.step-title {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-blue);
}

.step-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.step-integrations {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.integration-badge {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    border: 1px solid var(--color-primary-blue);
}

.step-example {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary-green);
}

.step-example code {
    color: var(--color-primary-green);
    font-family: 'Courier New', monospace;
}

.step-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary-green);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.status-text {
    font-size: 0.9rem;
    color: var(--color-primary-green);
}

.step-arrow {
    font-size: 2rem;
    color: var(--color-primary-blue);
    font-weight: 700;
}

/* ========== LATAM SECTION ========== */
.latam-section {
    background: var(--color-dark-bg);
}

.latam-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.latam-visual {
    display: flex;
    justify-content: center;
}

.latam-map {
    width: 200px;
    height: 300px;
}

.map-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 122, 255, 0.5));
}

.map-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: draw 3s ease-out forwards;
}

@keyframes draw {
    to { stroke-dashoffset: 0; }
}

.map-point {
    animation: ping 2s ease-in-out infinite;
}

@keyframes ping {
    0%, 100% { opacity: 1; r: 3; }
    50% { opacity: 0.5; r: 5; }
}

.latam-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.latam-features {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(50, 205, 50, 0.1);
    border-radius: var(--radius-sm);
}

.feature-icon {
    color: var(--color-primary-green);
    font-weight: 700;
    font-size: 1.2rem;
}

.feature-text {
    color: var(--color-text-light);
}

/* ========== BETA SECTION ========== */
.beta-section {
    background: var(--color-dark-section);
}

.beta-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.beta-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}

.beta-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.beta-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05) 0%, rgba(50, 205, 50, 0.05) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-light);
}

.form-input,
.form-textarea {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-gray);
    margin-top: var(--spacing-sm);
}

.success-message {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(50, 205, 50, 0.1) 0%, rgba(0, 122, 255, 0.1) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary-green);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--color-primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.success-title {
    color: var(--color-primary-green);
    margin-bottom: var(--spacing-sm);
}

.success-text {
    color: var(--color-text-muted);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-dark-bg);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.footer-title {
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

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

.footer-list li {
    margin-bottom: var(--spacing-xs);
}

.footer-list a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

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

.copyright,
.made-with {
    color: var(--color-text-gray);
    font-size: 0.9rem;
}

.heart {
    color: var(--color-primary-green);
}

/* ========== MODAL ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    z-index: 2;
    background: var(--color-dark-section);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--color-text-light);
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-title {
    margin-bottom: var(--spacing-md);
}

.modal-text {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.modal-cta {
    width: 100%;
}

/* ========== TIPOGRAFÍA PARA CHINO ========== */
html[lang="zh-CN"] {
    font-family: 'Noto Sans SC', 'Roboto', sans-serif;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] h4,
html[lang="zh-CN"] h5,
html[lang="zh-CN"] h6 {
    font-family: 'Noto Sans SC', 'Montserrat', sans-serif;
    font-weight: 700;
}

/* Ajustes de tamaño para chino */
html[lang="zh-CN"] body {
    font-size: 16px;
    line-height: 1.8;
}

html[lang="zh-CN"] .hero-title {
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .solution-pillars {
        grid-template-columns: 1fr;
    }
    
    .latam-content {
        grid-template-columns: 1fr;
    }
    
    .latam-visual {
        order: 2;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(26, 26, 26, 0.98);
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .language-selector {
        position: relative;
        order: -1;
        margin-bottom: var(--spacing-sm);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .beta-form {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .brain-globe {
        width: 150px;
        height: 150px;
    }
    
    .architecture-diagram {
        height: 300px;
    }
    
    .agent-node {
        width: 80px;
        height: 80px;
    }
}

/* ========== ANIMATIONS & UTILITIES ========== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading .btn-text::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 80px;
}