/* =================================== */
/* Cthulhu Code Website - Global Styles */
/* =================================== */

/* --- CSS Variables for theming --- */
:root {
    --color-primary: #87a5d9;
    --color-primary-hover: #6e8fbd;
    --color-secondary: #64748b;
    --color-accent: #87a5d9;

    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #3a3a3a;

    --color-text: #1e293b;
    --color-text-light: #475569;
    --color-text-muted: #94a3b8;

    --color-border: #e2e8f0;
    --color-border-dark: #1e293b;

    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --max-width: 1200px;
    --header-height: 64px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--color-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

/* --- Hero Section --- */
.hero {
    padding-top: calc(var(--header-height) + 64px);
    padding-bottom: 64px;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--color-text);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-banner {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    margin-bottom: 48px;
    padding: 32px 0;
    background-color: var(--color-bg-dark);
}

.hero-banner img {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

/* --- Button Styles --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: #ffffff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border-dark);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Section Styles --- */
.section {
    padding: 80px 24px;
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--color-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Card Grid --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05),
                0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

.card p {
    color: var(--color-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Features Section (List-style) --- */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.feature-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}

.feature-item h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.feature-item p {
    color: var(--color-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Code Block --- */
.code-block {
    background-color: var(--color-bg-dark);
    border-radius: 12px;
    overflow: hidden;
    margin: 48px auto;
    max-width: 700px;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background-color: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background-color: #ef4444; }
.code-dot.yellow { background-color: #eab308; }
.code-dot.green { background-color: #22c55e; }

.code-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #e2e8f0;
    overflow-x: auto;
}

.code-content .prompt {
    color: #22c55e;
}

.code-content .command {
    color: #e2e8f0;
}

.code-content .comment {
    color: #64748b;
}

/* --- Download Page Specifics --- */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 64px;
}

.platform-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    transition: all 0.2s ease;
}

.platform-card:hover {
    border-color: var(--color-primary);
}

.platform-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background-color: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.platform-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.platform-arch {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.platform-btn {
    display: inline-block;
    padding: 10px 24px;
    background-color: #eff6ff;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.platform-btn:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

/* --- Installation Steps --- */
.install-steps {
    display: grid;
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.install-step {
    display: flex;
    gap: 16px;
    padding: 20px;
    background-color: var(--color-bg-alt);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background-color: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

/* --- Imprint Page --- */
.imprint-content {
    max-width: 800px;
    margin: 0 auto;
}

.imprint-section {
    margin-bottom: 48px;
}

.imprint-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.imprint-section p,
.imprint-section li {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

.imprint-section ul {
    list-style: none;
    padding-left: 0;
}

.imprint-section ul li {
    padding-left: 20px;
    position: relative;
}

.imprint-section ul li::before {
    content: "•";
    color: var(--color-primary);
    font-weight: 700;
    position: absolute;
    left: 0;
}

/* --- Coming Soon Section --- */
.coming-soon {
    background-color: var(--color-bg-dark);
    color: #ffffff;
    border-radius: 16px;
    padding: 64px 32px;
    text-align: center;
    margin-top: 64px;
}

.coming-soon h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.coming-soon p {
    color: #ffffff;
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 24px;
}

/* --- Warning / Alert --- */
.warning-box {
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-left: 4px solid #ef4444;
    border-radius: 12px;
    padding: 28px 32px;
    margin-top: 48px;
}

.warning-box h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #dc2626;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.warning-box p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

.warning-box code {
    background-color: rgba(239, 68, 68, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: #dc2626;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 48px 24px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-text {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--color-secondary);
    font-size: 0.85rem;
}

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

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .section {
        padding: 64px 20px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .card-grid,
    .features-list {
        grid-template-columns: 1fr;
    }

    .platform-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }

    .card {
        padding: 24px;
    }

    .platform-card {
        padding: 20px;
    }
}