@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --primary-color: #4f46e5;
    --secondary-color: #7c3aed;
    --background-color: #111827;
    --surface-color: #1f2937;
    --text-color: #d1d5db;
    --heading-color: #ffffff;
    --border-color: #374151;
}

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

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

html {
    scroll-behavior: smooth;
}

header {
    background-color: var(--background-color);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
}

.logo a {
    color: inherit;
    text-decoration: none;
}

.logo i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--primary-color);
}

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

section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

section:last-child {
    border-bottom: none;
}

h1, h2 {
    color: var(--heading-color);
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

#hero {
    text-align: center;
    padding: 6rem 0;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
}

#quickstart p {
    text-align: center;
    margin-bottom: 2rem;
}

.code-block-container {
    position: relative;
    background-color: #0d1117;
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    color: #c9d1d9;
}

.copy-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.copy-button:hover {
    background-color: #374151;
}

.architecture-diagram {
    text-align: center;
}

.architecture-diagram img {
    max-width: 100%;
    height: auto;
    background-color: #fff; /* Placeholder background */
    border-radius: 8px;
    padding: 1rem;
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    color: #9ca3af;
}

/* --- Docs Page --- */
.docs-container {
    display: flex;
    max-width: 1200px;
    margin: 2rem auto;
    gap: 2rem;
}

.docs-sidebar {
    flex: 0 0 250px;
    position: sticky;
    top: 100px; /* Adjust based on header height */
    align-self: flex-start;
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.docs-sidebar h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.docs-sidebar ul {
    list-style: none;
}

.docs-sidebar ul li a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.docs-sidebar ul li a:hover {
    color: var(--primary-color);
}

.docs-main {
    flex: 1;
}

.docs-main section {
    margin-bottom: 3rem;
}

.docs-main h4 {
    color: var(--heading-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* --- Pricing Page --- */
.pricing-subtitle {
    text-align: center;
    max-width: 600px;
    margin: -1rem auto 3rem;
}

.pricing-grid {
    display: grid;
    gap: 1.5rem; /* Slightly reduce gap for tighter fit */
    align-items: stretch; 
}

.software-plans {
    grid-template-columns: repeat(4, 1fr);
}

.hardware-plans {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--surface-color);
    padding: 2rem; /* Reduce padding for a tighter look */
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card h3 {
    color: var(--heading-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem; /* Reduce font size slightly */
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-color);
}

.price-description {
    margin-bottom: 2rem;
    min-height: 40px; /* Ensure alignment */
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
    flex-grow: 1;
}

.pricing-card ul li {
    margin-bottom: 0.75rem;
}

.pricing-card ul li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.pricing-card ul li i.fa-times {
    color: #9ca3af;
}

.cta-button.secondary {
    background: var(--surface-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

/* --- Demo Page --- */
.demo-terminal {
    max-width: 800px;
    margin: 2rem auto;
    border-radius: 8px;
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.terminal-header {
    background-color: #374151;
    padding: 0.75rem;
    display: flex;
    align-items: center;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.terminal-buttons {
    display: flex;
}

.t-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}
.t-button.red { background-color: #ef4444; }
.t-button.yellow { background-color: #f59e0b; }
.t-button.green { background-color: #22c55e; }

.terminal-title {
    color: var(--heading-color);
    font-weight: 600;
    margin: 0 auto;
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: #c9d1d9;
    max-height: 60vh;
    overflow-y: auto;
}

.terminal-body p {
    margin-bottom: 1rem;
}

.terminal-body .prompt {
    color: #22c55e;
    margin-right: 0.5rem;
}

.terminal-body .response-ok {
    color: #a3e635;
}

.terminal-body pre {
    background-color: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.terminal-body .api-response {
    border-left: 3px solid var(--primary-color);
}

/* --- Demo Page Tabs --- */
.demo-container {
    max-width: 900px;
    margin: 2rem auto;
}

.demo-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.tab-link {
    padding: 1rem 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-link:hover {
    background-color: var(--surface-color);
}

.tab-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-link i {
    margin-right: 0.5rem;
}

.demo-content {
    display: none;
}

.demo-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

.demo-content h3 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
}

.demo-content > p {
    margin-bottom: 1.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

hr {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 1.5rem 0;
}

/* --- Responsive Adjustments --- */
@media (max-width: 1200px) {
    .software-plans {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    nav ul {
        display: none; /* Simple responsive solution for now */
    }
    .software-plans, .hardware-plans {
        grid-template-columns: 1fr;
    }
    .docs-container {
        flex-direction: column;
    }
    .docs-sidebar {
        position: static;
    }
}
/* --- Starfield Background --- */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Place it behind all other content */
    background-color: var(--background-color);
}
/* --- Auth Page --- */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem 0;
}

.auth-form {
    width: 100%;
    max-width: 400px;
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.auth-form h2 {
    margin-bottom: 0.5rem;
}

.auth-form p {
    margin-bottom: 2rem;
    color: var(--text-color);
}

.social-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: background-color 0.3s;
}

.social-button i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.social-button.google {
    background-color: #ffffff;
    color: #1f2937;
}

.social-button.google:hover {
    background-color: #e5e7eb;
}

.social-button.github {
    background-color: #333;
    color: #fff;
}

.social-button.github:hover {
    background-color: #444;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-color);
    margin: 1.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 1rem;
}

.auth-form form {
    text-align: left;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.auth-form input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.cta-button.full-width {
    width: 100%;
    padding: 0.75rem;
}
.auth-switch {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}
/* --- Dashboard Page --- */
.dashboard-container {
    max-width: 800px;
    margin: 2rem auto;
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.user-profile-card {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.user-profile-card p {
    margin-bottom: 0.5rem;
}

#logout-button {
    cursor: pointer;
}