/* Dark Theme Variables */
:root {
    --bg-primary: #000000;
    --bg-secondary: #000000;
    --bg-tertiary: #000000;
    --bg-card: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #27272a;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --gradient-start: #6366f1;
    --gradient-end: #8b5cf6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }
}

/* 3-column Features Grid */
.features-grid-3col {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .features-grid-3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .features-grid-3col {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid-3col {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

/* Feature Cards */
.feature-card {
    position: relative;
    background: #1A1A1A;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 2.5rem;
    min-height: 280px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.feature-card-bg {
    position: absolute;
    left: 50%;
    top: 0;
    margin-left: -5rem;
    margin-top: -0.5rem;
    height: 100%;
    width: 100%;
    pointer-events: none;
    opacity: 0.3;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    mask-image: linear-gradient(white, transparent);
    -webkit-mask-image: linear-gradient(white, transparent);
}

.feature-card-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0.3;
}

.feature-card-content {
    position: relative;
    z-index: 10;
}

.feature-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
    z-index: 20;
}

.feature-card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
    position: relative;
    z-index: 20;
    margin: 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: 0.5rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 5;
    margin-top: 0;
    clear: both;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--accent-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero-product {
    min-height: 100vh;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    -webkit-font-smoothing: antialiased;
}

/* Footer */
.footer-section {
    background: var(--bg-secondary);
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer-blur-line {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.5;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr 2fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    width: 120px;
}

.footer-logo-image {
    width: 100%;
    height: auto;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section-title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-social-link svg {
    transition: stroke 0.2s ease;
}

.footer-social-link:hover svg {
    stroke: var(--accent-primary);
}