:root {
    /* Color Variables - Warm Earthy Theme */
    --primary-color: #e67e22;          /* Warm orange */
    --primary-light: #f39c12;          /* Light orange */
    --primary-dark: #d35400;           /* Dark orange */
    --secondary-color: #8e44ad;        /* Purple */
    --secondary-light: #9b59b6;        /* Light purple */
    --accent-color: #e74c3c;           /* Red accent */
    --accent-light: #ec7063;           /* Light red */
    --text-primary: #2c3e50;           /* Dark blue-gray */
    --text-secondary: #34495e;         /* Medium blue-gray */
    --text-light: #7f8c8d;             /* Light gray */
    --background-primary: #ffffff;      /* Pure white */
    --background-secondary: #f8f9fa;   /* Very light gray */
    --background-tertiary: #ecf0f1;    /* Light gray */
    --success-color: #27ae60;          /* Green for success */
    --warning-color: #f39c12;          /* Orange for warnings */
    --error-color: #e74c3c;            /* Red for errors */
    --info-color: #3498db;             /* Blue for info */
    --border-color: #bdc3c7;           /* Light gray for borders */
    --border-light: #ecf0f1;           /* Very light gray for subtle borders */
    --shadow-color: rgba(230, 126, 34, 0.1); /* Orange-tinted shadow */
    --gradient-primary: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    --gradient-secondary: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
    --gradient-accent: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    background-color: var(--background-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* General Section Styles */
.section-title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Enhanced Typography and Spacing */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--background-primary);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    min-height: 60px;
}

.logo {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.logo:hover {
    color: var(--primary-dark) !important;
    text-decoration: none;
    background-color: var(--background-secondary);
    transform: translateY(-1px);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li {
    margin: 0;
}

/* Enhanced Navigation Styling */
.nav-links a {
    color: var(--text-secondary) !important;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    position: relative;
    display: inline-block;
}

.nav-links a:not(.cta-button) {
    color: var(--text-secondary) !important;
}

.nav-links a.cta-button {
    color: white !important;
    background: var(--gradient-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.nav-links a.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
    background: var(--gradient-primary);
    color: white !important;
}

.nav-links a:hover {
    color: var(--primary-color) !important;
    background-color: var(--background-secondary);
    transform: translateY(-1px);
}

.nav-links a:active {
    transform: translateY(0);
}

/* Active link styling */
.nav-links a.active {
    color: var(--primary-color) !important;
    background-color: var(--primary-light);
    color: var(--primary-dark) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.online-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.online-status.online {
    background-color: #2ecc71;
    box-shadow: 0 0 8px #2ecc71;
}

.online-status.offline {
    background-color: #95a5a6;
}

.profile-card {
    background: var(--background-primary);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.profile-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.profile-name {
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.profile-type {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--gradient-accent);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer p {
    margin: 0;
    opacity: 0.9;
}

.footer a {
    color: var(--accent-light);
    text-decoration: none;
}

.footer a:hover {
    color: white;
    text-decoration: underline;
}

/* Translation Features */
.translation-option {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 15px;
    margin: 10px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.translation-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.translation-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.translation-info span {
    font-weight: 500;
    font-size: 0.95rem;
}

.translation-info button {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.translation-info button:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

/* Language Indicators */
.language-indicator {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 8px;
    text-transform: uppercase;
}

.language-indicator.sender {
    background: #27ae60;
}

.language-indicator.target {
    background: #e67e22;
}

/* Cross-language Communication */
.cross-language-message {
    border-left: 4px solid #f39c12;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    padding: 12px 15px;
    margin: 10px 0;
    border-radius: 8px;
    position: relative;
}

.cross-language-message::before {
    content: "🌐";
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Message Types */
.message.translation {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.message.walkie-talkie {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    border: none;
}

/* Transcription Display */
.transcription-container {
    margin: 10px 0;
    padding: 15px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 4px solid #28a745;
}

.transcription-original {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 3px solid #ffc107;
}

.transcription-translated {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    padding: 10px;
    border-radius: 8px;
    border-left: 3px solid #17a2b8;
}

.transcription-label {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 5px;
    display: block;
}

.transcription-text {
    font-size: 1rem;
    line-height: 1.4;
    margin: 0;
}

/* Language Badges */
.language-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 5px;
    text-transform: uppercase;
}

.language-badge.original {
    background: #ffc107;
    color: #212529;
}

.language-badge.translated {
    background: #17a2b8;
    color: white;
}

/* Voice Analysis Display */
.voice-analysis {
    background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 100%);
    border: 1px solid #c3e6cb;
    border-radius: 8px;
    padding: 10px;
    margin: 8px 0;
    font-size: 0.9rem;
}

.voice-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.voice-badge {
    background: #28a745;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.speaking-rate {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #155724;
}

.speaking-rate.fast {
    color: #856404;
}

.speaking-rate.slow {
    color: #721c24;
}

.speaking-rate.normal {
    color: #155724;
}

/* Voice Characteristics */
.voice-characteristics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.characteristic {
    background: rgba(255, 255, 255, 0.7);
    padding: 6px 8px;
    border-radius: 6px;
    text-align: center;
    font-size: 0.8rem;
}

.characteristic-label {
    font-weight: 600;
    color: #155724;
    margin-bottom: 2px;
}

.characteristic-value {
    color: #495057;
}

/* Responsive Design for Translation */
@media (max-width: 768px) {
    .translation-info {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .translation-info button {
        width: 100%;
        text-align: center;
    }
    
    .language-indicator {
        display: block;
        margin: 5px 0;
        text-align: center;
    }
} 

/* Hero Section */
.hero {
    background: var(--background-primary);
    color: var(--text-primary);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-light);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    position: relative;
    z-index: 2;
    max-width: 100%;
}

.hero-text {
    flex: 1;
    text-align: center;
    max-width: 600px;
    padding: 0 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 500px;
}

.hero-device-image {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.hero-device-image:hover {
    transform: translateY(-5px);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-primary);
    margin-top: 0;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-top: 0;
}

/* Enhanced Button and Interactive Elements */
.cta-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
} 

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-device-image {
        max-width: 80%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 1rem;
    }
} 

/* Philosophy Section */
.philosophy {
    background: var(--background-secondary);
    padding: 80px 0;
}

.philosophy h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.philosophy-card {
    background: var(--background-primary);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.philosophy-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.philosophy-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

/* Features Section */
.features {
    background: var(--background-primary);
    padding: 80px 0;
}

.features h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.feature-card {
    background: var(--background-secondary);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
    background: var(--background-primary);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* Signup Section */
.signup {
    background: var(--gradient-secondary);
    padding: 80px 0;
    color: white;
    text-align: center;
}

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

.signup p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.signup-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.signup-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: var(--primary-dark);
    text-decoration: none;
} 

/* Getting Started Section */
.getting-started {
    background: var(--background-secondary);
    padding: 80px 0;
}

.getting-started h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.journey-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.journey-step {
    background: var(--background-primary);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.journey-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-icon i {
    font-size: 2rem;
    color: white;
}

.journey-step h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

/* AI Examples Section */
.ai-examples {
    background: var(--background-primary);
    padding: 80px 0;
}

.ai-examples h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.ai-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 3rem;
}

.ai-example-card {
    background: var(--background-secondary);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.ai-example-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px var(--shadow-color);
    background: var(--background-primary);
}

.ai-example-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.ai-example-icon i {
    font-size: 1.5rem;
    color: white;
}

.ai-example-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.ai-example-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.ai-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
} 

/* Technical Overview Section */
.technical-overview {
    background: var(--background-secondary);
    padding: 80px 0;
}

.technical-overview h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.tech-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.tech-card {
    background: var(--background-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.tech-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.tech-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tech-card ul {
    color: var(--text-secondary);
    padding-left: 1.5rem;
}

.tech-card li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
} 

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-up:nth-child(1) { animation-delay: 0.1s; }
.fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.fade-in-up:nth-child(3) { animation-delay: 0.3s; }
.fade-in-up:nth-child(4) { animation-delay: 0.4s; }
.fade-in-up:nth-child(5) { animation-delay: 0.5s; }
.fade-in-up:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Button Hover Effects */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
} 

/* How It Works Section */
.how-it-works {
    background: var(--background-secondary);
    padding: 80px 0;
}

.how-it-works h2 {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    background: var(--background-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.step-number {
    background: var(--gradient-primary);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 2rem;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-tertiary) 100%);
    border-radius: 20px;
    border: 1px solid var(--border-light);
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.cta-section .cta-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.cta-section .cta-button:hover {
    background: var(--gradient-primary);
    filter: brightness(1.1);
} 

/* Responsive Design for Steps */
@media (max-width: 768px) {
    .step {
        flex-direction: column !important;
        text-align: center;
    }
    
    .step:nth-child(even) {
        flex-direction: column !important;
    }
    
    .step-number {
        margin: 0 0 1rem 0;
    }
    
    .step-content {
        text-align: center;
    }
} 

/* Responsive Navigation */
@media (max-width: 768px) {
    .nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        min-height: 50px;
        position: relative;
    }
    
    .logo {
        font-size: 1.25rem;
        padding: 0.25rem 0.5rem;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background-primary);
        flex-direction: column;
        gap: 0;
        text-align: center;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-light);
        z-index: 1000;
    }
    
    .nav-links.active {
        max-height: 300px;
    }
    
    .nav-links li {
        margin: 0;
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        padding: 0.75rem 1rem;
        border-radius: 0;
        background-color: transparent;
        margin: 0;
        transition: background-color 0.2s ease;
    }
    
    .nav-links a:hover {
        background-color: var(--background-secondary);
        color: var(--primary-color) !important;
    }
    
    /* Mobile menu toggle button */
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--primary-color);
        cursor: pointer;
        padding: 0.5rem;
        border-radius: 4px;
        transition: all 0.3s ease;
    }
    
    .nav-toggle:hover {
        background-color: var(--background-secondary);
        color: var(--primary-dark);
    }
    
    .nav-toggle:focus {
        outline: none;
        box-shadow: 0 0 0 2px var(--primary-light);
    }
}

/* Hide mobile toggle on desktop */
@media (min-width: 769px) {
    .nav-toggle {
        display: none;
    }
}

/* Enhanced Design Improvements */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    color: var(--text-primary);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-light);
}

.philosophy {
    background: var(--background-primary);
    padding: 100px 0;
    position: relative;
}

.philosophy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.features {
    background: linear-gradient(135deg, #f8f9fa 0%, #ecf0f1 100%);
    padding: 100px 0;
}

.ai-examples {
    background: var(--background-primary);
    padding: 100px 0;
    position: relative;
}

.ai-examples::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.technical-overview {
    background: linear-gradient(135deg, #f8f9fa 0%, #ecf0f1 100%);
    padding: 100px 0;
}

/* Enhanced Button and Interactive Elements */
.cta-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
} 

/* Enhanced Section Headers */
.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Improved Grid Layouts */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 3rem;
}

.ai-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

/* Enhanced Card Design */
.philosophy-card,
.feature-card,
.ai-example-card,
.tech-card {
    border: 1px solid var(--border-light);
    background: var(--background-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.philosophy-card::before,
.feature-card::before,
.ai-example-card::before,
.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.philosophy-card:hover::before,
.feature-card:hover::before,
.ai-example-card:hover::before,
.tech-card:hover::before {
    transform: scaleX(1);
}

.philosophy-card:hover,
.feature-card:hover,
.ai-example-card:hover,
.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
    border-color: var(--primary-light);
}

/* Simplified Icon Styling */
.philosophy-card i,
.feature-card i {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.philosophy-card i {
    font-size: 2.5rem;
}

.feature-card i {
    font-size: 2rem;
} 

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 0 20px;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
        padding-right: 0;
        order: 1;
    }
    
    .hero-image {
        order: 2;
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-device-image {
        max-width: 80%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .philosophy-grid,
    .features-grid,
    .ai-examples-grid,
    .tech-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
} 

/* Final Design Enhancements */
.signup {
    background: var(--gradient-secondary);
    padding: 100px 0;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.signup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.signup .container {
    position: relative;
    z-index: 2;
}

.signup h2 {
    margin-bottom: 1.5rem;
    font-size: 2.8rem;
    font-weight: 700;
}

.signup p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.signup-button {
    display: inline-block;
    background: white;
    color: var(--secondary-color);
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.signup-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: var(--background-secondary);
    color: var(--secondary-dark);
    text-decoration: none;
}

/* Enhanced Footer */
.footer {
    background: var(--gradient-accent);
    color: white;
    padding: 30px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-dots" width="25" height="25" patternUnits="userSpaceOnUse"><circle cx="12.5" cy="12.5" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-dots)"/></svg>');
    opacity: 0.2;
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer p {
    margin: 0;
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.4;
}

.footer a {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: white;
    text-decoration: underline;
} 

/* Mobile Header Improvements */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
        position: sticky;
        top: 0;
        background: var(--background-primary);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0.25rem 1rem;
        min-height: 45px;
        position: relative;
    }
    
    .logo {
        font-size: 1.1rem;
        padding: 0.25rem 0.5rem;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background-primary);
        flex-direction: column;
        gap: 0;
        text-align: center;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-light);
        z-index: 1000;
    }
    
    .nav-links.active {
        max-height: 250px;
    }
    
    .nav-links li {
        margin: 0;
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        padding: 0.6rem 1rem;
        border-radius: 0;
        background-color: transparent;
        margin: 0;
        transition: background-color 0.2s ease;
        font-size: 0.95rem;
    }
    
    .nav-links a:hover {
        background-color: var(--background-secondary);
        color: var(--primary-color) !important;
    }
    
    /* Mobile menu toggle button */
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.3rem;
        color: var(--primary-color);
        cursor: pointer;
        padding: 0.4rem;
        border-radius: 4px;
        transition: all 0.3s ease;
    }
    
    .nav-toggle:hover {
        background-color: var(--background-secondary);
        color: var(--primary-dark);
    }
    
    .nav-toggle:focus {
        outline: none;
        box-shadow: 0 0 0 2px var(--primary-light);
    }
    
    /* Adjust hero section for mobile */
    .hero {
        padding: 80px 0 60px 0;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 0 1rem;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
        order: 1;
    }
    
    .hero-image {
        order: 2;
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
}