/* Yobo - Build Better. Build Confident. */

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

body {
    font-family: 'Glacial Indifference', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #0a0a0a;
}

/* Navigation */
.navbar {
    /* background: rgba(10, 10, 10, 0.95); */
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    /* font-family: 'Glacial Indifference', sans-serif; */
    font-family: 'Glacial Indifference', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    margin-right: 30px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    flex: 2;
    align-items: flex-end;
    justify-content: flex-end;
}

.nav-links a {
    text-decoration: none;
    color: #d1d5db;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #60a5fa;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    margin-left: auto;
    color: #ffffff;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 100%);
    color: white;
    padding: 120px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.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"><rect width="100" height="100" fill="none"/><path d="M0 0h100v100H0z" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 15px;
    opacity: 0.9;
}

.hero .subtext {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.app-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #000;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.app-btn:hover {
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 80px 20px;
}

.section-alt {
    background: #111111;
}

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

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
    color: #9ca3af;
    max-width: 600px;
    margin: 0 auto;
}

/* Product Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-card {
    background: #1a1a1a;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #333;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.5);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: #3b82f6;
    border-radius: 12px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.category-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
}

.category-card p {
    color: #9ca3af;
}

/* Why Choose Us */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  justify-items: center;
  align-items: stretch;
  max-width: 800px;
  margin: 0 auto;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.feature-item p {
    color: #9ca3af;
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    border: 1px solid #333;
}

.blog-card:hover {
    transform: translateY(-3px);
}

.blog-image {
    height: 200px;
    background: linear-gradient(45deg, #1e3a8a 0%, #7c3aed 100%);
    position: relative;
}

.blog-image::after {
    content: '📖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
}

.blog-content {
    padding: 25px;
}

.blog-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
}

.blog-card p {
    color: #9ca3af;
    margin-bottom: 15px;
}

.read-more {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
}

/* CTA Sections */
.cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    text-align: center;
}

.cta-btn {
    display: inline-block;
    background: #3b82f6;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.cta-btn:hover {
    background: #2563eb;
}

/* Contact Section */
.contact-options {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1a1a1a;
    color: #ffffff;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    font-weight: 500;
    transition: transform 0.3s ease;
    border: 1px solid #333;
}

.contact-btn:hover {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #0a0a0a;
    color: white;
    padding: 60px 20px 30px;
    border-top: 1px solid #333;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #333;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: row;
        align-items: center;
        height: auto;
    }
    .logo {
        margin-bottom: 0;
    }
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        flex-direction: column;
        width: 100%;
        background: rgba(10,10,10,0.98);
        display: none;
        z-index: 1001;
        gap: 0;
    }
    .nav-links.show {
        display: flex;
    }
    .nav-links li {
        width: 100%;
        text-align: left;
        padding: 15px 20px;
        border-bottom: 1px solid #333;
    }
    .mobile-menu-btn {
        display: block;
        margin-left: 0;
    }
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .app-download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contact-options {
        flex-direction: column;
        align-items: center;
    }
}

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

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

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