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

:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-max-width: 1200px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
.hero-title {
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 800px;
}

.section-title {
    font-size: clamp(36px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 60px;
    text-align: center;
}

.body-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

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

/* Hero Section */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    margin-top: 40px;
    padding: 16px 40px;
    background: var(--accent-blue);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid var(--accent-blue);
}

.cta-button:hover {
    background: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

/* Context Section */
.context {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.context-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.context-text {
    padding-right: 20px;
}

.insight-box {
    margin-top: 40px;
    padding: 32px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.insight-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--accent-blue);
}

.context-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.image-caption {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* Toolkit Section */
.toolkit {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.toolkit .section-title {
    text-align: center;
}

.toolkit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.toolkit-card {
    padding: 32px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.toolkit-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.toolkit-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.toolkit-icon svg {
    width: 100%;
    height: 100%;
}

.toolkit-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.toolkit-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Why Section */
.why {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.why .section-title {
    text-align: center;
    margin-bottom: 60px;
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-text {
    padding-right: 20px;
}

.why-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* Integration Section */
.integration {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.integration .section-title {
    text-align: center;
    margin-bottom: 20px;
}

.integration-intro {
    font-size: 20px;
    line-height: 1.6;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.integration-card {
    padding: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.integration-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.integration-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--accent-blue);
}

.integration-icon svg {
    width: 100%;
    height: 100%;
}

.integration-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.integration-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Deployment Section */
.deployment {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.deployment-content {
    text-align: center;
}

.deployment-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.longevity-callout {
    max-width: 800px;
    margin: 0 auto 50px;
    padding: 32px 40px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.callout-text {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-primary);
    margin: 0;
    font-weight: 400;
}

/* Convenience Summary Section */
.convenience-summary {
    max-width: 900px;
    margin: 60px auto 0;
    text-align: center;
}

.convenience-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.convenience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.convenience-item {
    padding: 32px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.convenience-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.convenience-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--accent-blue);
}

.convenience-icon svg {
    width: 100%;
    height: 100%;
}

.convenience-subtitle {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.convenience-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

/* Responsive Design */
@media (max-width: 968px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .container {
        padding: 0 24px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .context-content,
    .why-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .context-text,
    .why-text {
        padding-right: 0;
    }
    
    .toolkit-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 20px;
    }
    
    .integration-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .convenience-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .longevity-callout {
        padding: 28px 24px;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .toolkit-grid {
        grid-template-columns: 1fr;
    }
    
    .insight-box {
        padding: 24px;
    }
    
    .convenience-title {
        font-size: 28px;
    }
    
    .longevity-callout {
        padding: 24px 20px;
    }
    
    .callout-text {
        font-size: 16px;
    }
}

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

/* Selection */
::selection {
    background: var(--accent-blue);
    color: var(--text-primary);
}