/* Main Demo Hub - Minimal Black/White/Grey/Tan */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #0a0a0a;
    --dark-grey: #1a1a1a;
    --mid-grey: #2a2a2a;
    --light-grey: #3a3a3a;
    --border-grey: #e0e0e0;
    --tan: #d2b48c;
    --tan-light: #e8d5b7;
    --white: #ffffff;
    --off-white: #f5f5f5;
    --text: #1a1a1a;
    --text-muted: #666666;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-grey);
}

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

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.logo span {
    font-weight: 400;
    color: var(--tan);
    margin-left: 5px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--off-white);
    padding: 120px 0 80px;
    margin-top: 70px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--text);
}

.hero-content h1 span {
    color: var(--tan);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 14px 35px;
    font-size: 15px;
    border: 2px solid var(--text);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--text);
    color: var(--white);
}

/* Designs Section */
.designs {
    padding: 100px 0;
    background: var(--white);
}

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

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text);
}

.section-header h2 span {
    color: var(--tan);
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
}

.designs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.design-card {
    background: var(--off-white);
    border: 1px solid var(--border-grey);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text);
}

.design-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--tan);
}

.design-preview {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hairdressing-preview {
    background: linear-gradient(135deg, #f472b6, #a855f7);
}

.building-preview {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
}

.lawyer-preview {
    background: linear-gradient(135deg, #8B4513, #D2691E);
}

.accountant-preview {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.preview-content {
    text-align: center;
    z-index: 1;
}

.preview-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.preview-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.design-info {
    padding: 25px;
}

.design-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.design-info p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.view-link {
    color: var(--tan);
    font-weight: 600;
    font-size: 14px;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.design-card:hover .view-link {
    gap: 10px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--off-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
}

.about-text h2 span {
    color: var(--tan);
}

.about-text > p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

.trends-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.trend {
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border-grey);
    border-radius: 8px;
}

.trend h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.trend p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.tech-stack {
    background: var(--white);
    border: 1px solid var(--border-grey);
    border-radius: 12px;
    padding: 30px;
}

.tech-stack h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.tech-grid span {
    padding: 10px 15px;
    background: var(--off-white);
    border: 1px solid var(--border-grey);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--text);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-brand .logo span {
    color: var(--tan-light);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white);
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    padding: 6px 0;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--tan-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 48px;
    }
    
    .designs-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .about-text h2 {
        font-size: 32px;
    }
    
    .trends-list {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}