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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
#header-placeholder {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.navbar {
    background-color: #0a0a0a;
    padding: 1rem 0;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
    text-decoration: none;
    display: inline-block;
}

.nav-logo:hover {
    color: #ffffff;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link.active {
    color: #ffffff;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #00d4ff;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(20, 10, 15, 0.3);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    text-shadow: 
        0 8px 40px rgba(0,0,0,0.6),
        0 2px 8px #c37754,
        0 0px 2px #ffffff,
        2px 4px 24px #f27e44;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #cccccc;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: #00d4ff;
    color: #0a0a0a;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background-color: #00b8e6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary {
    background-color: #00d4ff;
    color: #0a0a0a;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Explainer Section */
.explainer {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

.explainer-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 3rem;
}

.explainer-card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 3rem;
}

.explainer-step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid #e8e8e8;
}

.explainer-step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00d4ff 0%, #00a8cc 100%);
    color: #0a0a0a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    color: #1a1a1a;
    font-weight: 600;
    margin-top: 0.5rem;
}

.step-content p {
    font-size: 1rem;
    color: #666;
    margin-top: 0.5rem;
    line-height: 1.6;
}

.step-image {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.step-image-top {
    align-items: flex-start;
}

.step-image-top img {
    object-position: top;
}

.signup-cta {
    text-align: center;
}

/* Video Section */
.video-section {
    padding: 5rem 0;
    background-color: #ffffff;
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* Page Titles */
.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-section .page-title {
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

/* Blog Section */
.blog-section {
    padding: 4rem 0;
    min-height: 60vh;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.blog-card-link {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    height: 100%;
    transition: all 0.3s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: #00d4ff;
}

.blog-date {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 1rem;
    font-weight: 500;
}

.blog-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-excerpt {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.blog-read-more {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    display: inline-block;
    margin-top: auto;
}

/* Blog Post Page */
.blog-post {
    padding: 4rem 0;
    min-height: 60vh;
}

.blog-post-header {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.back-link {
    display: inline-block;
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #00a8cc;
}

.blog-post-date {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 1rem;
    font-weight: 500;
}

.blog-post-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 0;
}

.blog-post-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #333;
}

.blog-post-content p {
    margin-bottom: 1.5rem;
}

.blog-post-content h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-post-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.blog-post-content li {
    margin-bottom: 0.75rem;
}

.blog-post-content a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.blog-post-content a:hover {
    color: #00a8cc;
    text-decoration: underline;
}

/* Contact Section */
.contact-section {
    padding: 2rem 0;
    min-height: auto;
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background-color: #ffffff;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Sign Up Section */
.signup-section {
    padding: 4rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.signup-wrapper {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.signup-description {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.signup-form {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.signup-form button[type="submit"],
.contact-form button[type="submit"] {
    display: block;
    margin: 0 auto;
}

/* Footer */
.footer {
    background-color: #0a0a0a;
    color: #b0b0b0;
    padding: 2rem 0;
    margin-top: auto;
    text-align: center;
}

.footer p {
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .explainer-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .explainer-card {
        padding: 2rem 1.5rem;
    }
    
    .explainer-step {
        grid-template-columns: auto 1fr;
        gap: 1.5rem;
    }
    
    .step-image {
        grid-column: 1 / -1;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .step-number {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    .contact-form,
    .signup-form {
        padding: 2rem 1.5rem;
    }
    
    .blog-post-title {
        font-size: 2rem;
    }
    
    .blog-post-content {
        font-size: 1rem;
    }
    
    .blog-post-content h2 {
        font-size: 1.5rem;
    }
}