/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #10a37f;
    --primary-dark: #0d8a6a;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a0a0a0;
    --bg-dark: #000000;
    --bg-card: #1a1a1a;
    --bg-card-hover: #252525;
    --gradient-start: #10a37f;
    --gradient-end: #1a7f64;
    --border-color: #333333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-contact {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 163, 127, 0.3);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(16, 163, 127, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 72px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* Brand Tags */
.brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
}

.brand-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: inline-block;
}

.brand-tag:hover {
    background: rgba(16, 163, 127, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 163, 127, 0.2);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 163, 127, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(16, 163, 127, 0.1);
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 60px;
}

/* Features Section */
.features {
    background: var(--bg-dark);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Meanings Section */
.meanings {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d0d 100%);
}

.meaning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.meaning-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
}

.meaning-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(16, 163, 127, 0.2);
}

.meaning-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.meaning-card h3 {
    font-size: 26px;
    margin-bottom: 12px;
}

.meaning-card > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.meaning-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.meaning-card li {
    padding: 10px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 24px;
}

.meaning-card li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 20px;
}

.meaning-slogan {
    background: rgba(16, 163, 127, 0.1);
    border-left: 3px solid var(--primary-color);
    padding: 16px;
    font-style: italic;
    color: var(--text-primary);
    font-size: 16px;
}

/* Scenarios Section */
.scenarios {
    background: var(--bg-dark);
}

.scenario-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.scenario-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.scenario-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
}

.scenario-item.primary {
    border-color: var(--primary-color);
    background: rgba(16, 163, 127, 0.05);
}

.scenario-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.scenario-text {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Value Proposition Section */
.value-prop {
    background: linear-gradient(180deg, #0d0d0d 0%, var(--bg-dark) 100%);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

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

.value-number {
    font-size: 64px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.value-item h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.value-item p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, rgba(16, 163, 127, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-highlight {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
}

.cta-text {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-detail {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.btn-cta {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 20px 60px;
    font-size: 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 163, 127, 0.4);
}

/* Contact Info */
.contact-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    font-size: 24px;
}

.contact-label {
    color: var(--text-muted);
    font-size: 16px;
}

.contact-value {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .gradient-text {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .brand-tags {
        gap: 8px;
    }
    
    .brand-tag {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .feature-grid,
    .meaning-grid,
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-text {
        font-size: 22px;
    }
}

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

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}