/* PolcaAI - Liquid Glass Design System */

/* === CSS VARIABLES === */
:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-dark: #1a202c;
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-blur: blur(4px);
    
    --glass-dark-bg: rgba(16, 16, 16, 0.3);
    --glass-dark-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* === NAVIGATION === */
/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-lg) 0;
    backdrop-filter: var(--glass-blur);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

/* Mobile navbar adjustments */
@media (max-width: 1024px) {
    .navbar {
        padding: var(--spacing-sm) 0;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-logo {
        height: 32px;
    }
    
    .nav-actions .btn-primary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: var(--spacing-sm) 0;
    }
    
    .nav-logo {
        height: 30px;
    }
    
    .nav-actions .btn-primary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }
}

.navbar.scrolled {
    padding: var(--spacing-md) 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--glass-shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 40px;
    width: auto;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    list-style: none;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-gradient);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary-gradient);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-gradient);
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

.mesh-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 200, 255, 0.3) 0%, transparent 50%);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success-gradient);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

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

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 90%;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    transition: var(--transition-base);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.btn-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: var(--transition-base);
}

.btn-hero-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-base);
}

.btn-play {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    transition: var(--transition-base);
}

.btn-hero-secondary:hover .btn-play {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.1);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

/* === GLASS CARDS === */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(31, 38, 135, 0.5);
}

.main-card {
    padding: var(--spacing-2xl);
    max-width: 500px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.card-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f57; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #28ca42; }

.card-title {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.card-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.active {
    background: #28ca42;
    animation: pulse 2s infinite;
}

/* === CHAT INTERFACE === */
.chat-interface {
    margin-bottom: var(--spacing-xl);
}

.chat-message {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideInUp 0.6s ease-out;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    position: relative;
}

.avatar-gradient {
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    border-radius: 50%;
    opacity: 0.2;
}

.user-avatar {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.message-content {
    max-width: 70%;
}

.message-bubble {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.chat-message.bot .message-bubble {
    background: var(--primary-gradient);
    color: white;
}

.chat-message.user .message-bubble {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-light);
    text-align: right;
}

.chat-message.bot .message-time {
    text-align: left;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
.typing-indicator span:nth-child(3) { animation-delay: 0s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === ANALYTICS PREVIEW === */
.analytics-preview {
    display: flex;
    gap: var(--spacing-lg);
}

.metric-card {
    flex: 1;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.metric-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 1.2rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.metric-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
}

.metric-trend.positive {
    color: #28ca42;
}

.satisfaction-icon {
    background: var(--success-gradient) !important;
    position: relative;
    overflow: hidden;
}

.satisfaction-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(0%) translateY(0%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* === FEATURE BADGES (Fixed, not floating) === */
.feature-badges {
    margin-top: var(--spacing-2xl);
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.feature-badge:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.4);
    box-shadow: var(--glass-shadow);
}

.badge-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

/* === HERO SCROLL === */
.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    animation: bounce 2s infinite;
}

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

/* === SECTIONS === */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-4xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.section-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* === SOLUTIONS SECTION === */
.solutions {
    background: var(--bg-secondary);
    position: relative;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.solution-card {
    position: relative;
    padding: var(--spacing-2xl);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-base);
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(31, 38, 135, 0.6);
}

.solution-card.featured {
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                var(--primary-gradient) border-box;
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -1;
}

.solution-orb-1 {
    width: 150px;
    height: 150px;
    background: var(--primary-gradient);
    top: -50px;
    right: -50px;
}

.solution-orb-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary-gradient);
    top: -50px;
    right: -50px;
}

.solution-orb-3 {
    width: 150px;
    height: 150px;
    background: var(--accent-gradient);
    top: -50px;
    right: -50px;
}

.solution-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-xl);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.solution-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.solution-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.solution-features {
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-item i {
    color: #28ca42;
    font-size: 1rem;
}

.solution-metric {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.solution-metric .metric-value {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.solution-metric .metric-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
}

/* === TECHNOLOGY SECTION === */
.technology {
    background: var(--bg-primary);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.tech-features {
    margin: var(--spacing-2xl) 0;
}

.tech-feature {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-actions {
    margin-top: var(--spacing-2xl);
}

.tech-card {
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.diagram-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.node-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    font-size: 1.8rem;
    color: var(--text-primary);
    position: relative;
}

.ai-brain {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.brain-pulse {
    position: absolute;
    inset: -10px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.node-label {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.connection-line {
    width: 2px;
    height: 60px;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.data-flow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, transparent, rgba(102, 126, 234, 0.8), transparent);
    animation: dataFlow 2s linear infinite;
}

@keyframes dataFlow {
    0% { transform: translateY(-20px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(80px); opacity: 0; }
}

/* === DEMO SECTION === */
.demo {
    background: var(--bg-secondary);
    position: relative;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.demo-benefits {
    margin: var(--spacing-2xl) 0;
}

.demo-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    color: var(--text-secondary);
}

.demo-benefit i {
    color: #28ca42;
    font-size: 1.2rem;
}

.demo-form {
    display: flex;
    justify-content: center;
}

.form-card {
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 500px;
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-header h3 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--glass-border);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-base);
    resize: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: rgba(102, 126, 234, 0.8);
}

.form-group label {
    position: absolute;
    top: var(--spacing-xl);
    left: 0;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-base);
    pointer-events: none;
    background: transparent;
    z-index: 1;
}

/* Label animations for floating effect */
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:not([value=""]):not([value=" "]) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group.filled label,
.form-group.focused label {
    top: 0;
    font-size: 0.75rem;
    color: rgba(102, 126, 234, 0.8);
    font-weight: var(--font-weight-medium);
    transform: translateY(-4px);
}

/* Hide the space placeholder but keep functionality */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: transparent;
}

/* Special handling for select */
.form-group select {
    cursor: pointer;
}

.form-group select option {
    color: var(--text-primary);
    background: white;
}

.form-group select option:first-child {
    color: var(--text-muted);
}

/* Ensure proper spacing for form groups */
.contact-form {
    display: flex;
    flex-direction: column;
}

/* Fix label positioning and prevent overlap */
.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    position: absolute;
    top: var(--spacing-lg);
    left: 0;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-base);
    pointer-events: none;
    background: transparent;
    z-index: 2;
    padding: 0 4px;
    margin-left: -4px;
}

/* When label is floating (active state) */
.form-group.focused label,
.form-group.filled label,
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:not([value=""]):not([value=" "]) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 0.75rem;
    color: rgba(102, 126, 234, 0.8);
    font-weight: var(--font-weight-medium);
    transform: translateY(0);
    background: white;
    padding: 0 8px;
    margin-left: -8px;
}

/* Ensure select dropdown has proper styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Error and success states */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-bottom-color: #ff5f57;
}

.form-group.error label {
    color: #ff5f57;
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-bottom-color: #28ca42;
}

.form-group.success label {
    color: #28ca42;
}

/* Form hints */
.form-hint {
    position: absolute;
    bottom: -20px;
    left: 0;
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0;
    transition: var(--transition-base);
}

.form-group input:focus ~ .form-hint,
.form-group.focused .form-hint {
    opacity: 1;
}

.form-group.error .form-hint {
    color: #ff5f57;
}

.form-line {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-base);
    z-index: 3;
}

.form-group input:focus ~ .form-line,
.form-group select:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: transparent;
}

.btn-form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.btn-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.btn-form:hover .btn-arrow {
    transform: translateX(4px);
}

.form-privacy {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.form-privacy i {
    color: #28ca42;
}

/* === FOOTER === */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.link-group h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.link-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.link-group a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.legal-links {
    display: flex;
    gap: var(--spacing-xl);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: var(--transition-fast);
}

.legal-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* === RESPONSIVE DESIGN === */

/* Responsive design for feature badges */
@media (max-width: 768px) {
    .feature-badges {
        gap: var(--spacing-xs);
        margin-top: var(--spacing-lg);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .feature-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
        flex: 0 0 auto;
        min-width: 90px;
    }
    
    .badge-icon {
        width: 16px;
        height: 16px;
        font-size: 0.6rem;
    }
    
    .badge-text {
        font-size: 0.7rem;
        font-weight: var(--font-weight-semibold);
    }
}

@media (max-width: 480px) {
    .feature-badges {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
        gap: 4px;
        padding: 0 var(--spacing-md);
    }
    
    .feature-badge {
        padding: 6px var(--spacing-sm);
        min-width: 85px;
        flex: 1;
        max-width: 110px;
    }
    
    .badge-icon {
        width: 14px;
        height: 14px;
        font-size: 0.55rem;
    }
    
    .badge-text {
        font-size: 0.65rem;
    }
    
    /* Ocultar hero scroll en mobile para evitar superposiciones */
    .hero-scroll {
        display: none;
    }
}

@media (max-width: 1024px) {
    .hero-container,
    .tech-content,
    .demo-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* En tablet, mantener orden original */
    .hero-visual {
        order: 0;
    }
    
    /* Feature badges responsive */
    .feature-badges {
        margin-top: var(--spacing-lg);
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: none; /* Ocultar hamburguesa ya que no hay menú */
    }
    
    /* Hacer el botón CTA más prominente en mobile */
    .nav-actions .btn-primary {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 0.9rem;
        font-weight: var(--font-weight-bold);
    }
}

@media (max-width: 768px) {
    .section-container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) 0 var(--spacing-2xl);
        min-height: auto;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    /* En mobile, invertir orden: contenido primero, visual después */
    .hero-visual {
        order: 1;
        margin-top: var(--spacing-lg);
    }
    
    .hero-content {
        order: 0;
        padding-top: 70px; /* Compensar altura del navbar fijo más compacto */
        padding-bottom: var(--spacing-2xl);
    }
    
    /* Ocultar discover more en mobile */
    .hero-scroll {
        display: none;
    }
    
    .hero-badge {
        margin-bottom: var(--spacing-md);
        font-size: 0.8rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.2rem;
        margin-bottom: var(--spacing-md);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
        line-height: 1.5;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .solution-card.featured {
        transform: none;
    }
    
    .analytics-preview {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Mejorar el dashboard en mobile */
    .main-card {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .chat-message {
        gap: var(--spacing-sm);
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .message-bubble {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .main-card {
        padding: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn-hero-primary,
    .btn-form {
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}