/* ============================================
   Claudot Marketing Website — Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #1e2a3a;
    --bg-card-hover: #243347;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --text-muted: #6a7a8a;
    --godot-blue: #478CBF;
    --godot-blue-light: #5ba3d9;
    --godot-blue-dim: rgba(71, 140, 191, 0.15);
    --claude-orange: #e07a5f;
    --claude-orange-light: #f09070;
    --code-bg: #0d1117;
    --border-subtle: #2a3a4a;
    --border-focus: #478CBF;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --max-width: 1100px;
    --section-padding: 4rem 2rem;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a {
    color: var(--godot-blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--godot-blue-light);
}

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

ul {
    list-style: none;
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--code-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    color: var(--godot-blue-light);
}

/* --- Layout --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--godot-blue);
    color: #fff;
    border-color: var(--godot-blue);
}

.btn-primary:hover {
    background: var(--godot-blue-light);
    border-color: var(--godot-blue-light);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(71, 140, 191, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn-outline:hover {
    border-color: var(--godot-blue);
    color: var(--godot-blue-light);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(42, 58, 74, 0.5);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.nav-logo:hover {
    color: var(--text-primary);
}

.nav-logo-icon {
    border-radius: 6px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(71, 140, 191, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(224, 122, 95, 0.06) 0%, transparent 50%),
        var(--bg-primary);
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 3rem;
}

.hero-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--godot-blue);
    background: var(--godot-blue-dim);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(71, 140, 191, 0.2);
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--godot-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-visual {
    width: 100%;
    max-width: 800px;
}

.hero-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* --- Features --- */
.features {
    padding: var(--section-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(71, 140, 191, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    margin-bottom: 1rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--godot-blue-dim);
    border-radius: var(--radius);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card ul {
    list-style: none;
}

.feature-card li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--godot-blue);
    opacity: 0.6;
}

/* --- Architecture --- */
.architecture {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.arch-diagram {
    max-width: 900px;
    margin: 0 auto;
}

.arch-path {
    margin-bottom: 1rem;
}

.arch-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    text-align: center;
}

.arch-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.arch-box {
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    text-align: center;
    width: 160px;
    flex-shrink: 0;
}

.arch-box-primary {
    border-color: var(--godot-blue);
    background: rgba(71, 140, 191, 0.08);
}

.arch-box-accent {
    border-color: var(--claude-orange);
    background: rgba(224, 122, 95, 0.08);
}

.arch-box-title {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
}

.arch-box-sub {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.arch-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.arch-port {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--code-bg);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.arch-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 1.5rem 0;
}

/* --- Installation --- */
.installation {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.prereqs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.prereqs-secondary {
    margin-top: -2.25rem;
    margin-bottom: 3rem;
}

.prereq-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.prereq-badge {
    font-size: 0.825rem;
    font-family: var(--font-mono);
    padding: 0.35rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
}

.prereq-badge:hover {
    border-color: var(--godot-blue);
    color: var(--godot-blue-light);
    background: var(--godot-blue-dim);
}

.prereq-or {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.prereq-badge small {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.steps {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--godot-blue-dim);
    border: 2px solid var(--godot-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--godot-blue);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.code-block {
    position: relative;
    background: var(--code-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    overflow: hidden;
    max-width: 100%;
}

.code-block pre {
    padding: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-block code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.6;
    word-break: break-all;
    white-space: pre-wrap;
}

.step-alt {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-download {
    background: var(--godot-blue-dim);
    color: var(--godot-blue);
    border: 1px solid rgba(71, 140, 191, 0.3);
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
}

.btn-download:hover {
    background: rgba(71, 140, 191, 0.25);
    color: var(--godot-blue-light);
    border-color: var(--godot-blue);
}

.btn-paypal {
    gap: 0.5rem;
}

.paypal-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 4px;
    padding: 2px 4px;
    line-height: 0;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-body);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: all var(--transition);
}

.copy-btn:hover {
    color: var(--text-primary);
    border-color: var(--godot-blue);
}

/* --- How It Works --- */
.how-it-works {
    padding: var(--section-padding);
}

.modes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.mode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.mode-icon {
    margin-bottom: 1rem;
}

.mode-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.mode-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.mode-flow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--code-bg);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

.modes-footer {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* --- Pricing --- */
.pricing {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-top: 3px solid var(--godot-blue);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.pricing-card-featured {
    border-top-color: var(--claude-orange);
    box-shadow: 0 0 24px rgba(224, 122, 95, 0.15);
    transform: scale(1.03);
}

.pricing-tier {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.pricing-list {
    text-align: left;
    margin-bottom: 2rem;
    flex: 1;
}

.pricing-list li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-yes::before,
.pricing-no::before {
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.pricing-yes::before {
    content: '\2713';
    color: #4ade80;
}

.pricing-no::before {
    content: '\2717';
    color: var(--claude-orange);
}

.pricing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.65rem 1rem;
    margin-top: auto;
}

.pricing-license {
    margin-bottom: 1rem;
}

.pricing-license-link {
    font-size: 0.9rem;
    color: var(--godot-blue);
}

.pricing-contact {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pricing-contact a {
    color: var(--claude-orange);
}

.pricing-contact a:hover {
    color: var(--claude-orange-light);
}

/* --- Footer --- */
.footer {
    padding: 3rem 0 2rem;
    background: #111122;
    border-top: 1px solid var(--border-subtle);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.5rem;
    text-align: center;
}

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

/* --- Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 1.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.95);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 1rem 2rem 1.5rem;
        border-bottom: 1px solid var(--border-subtle);
        gap: 0.75rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-hamburger.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-hamburger.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-hamburger.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .modes-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card-featured {
        transform: none;
    }

    .arch-row {
        flex-direction: column;
    }

    .arch-arrow {
        transform: rotate(90deg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step {
        flex-direction: column;
        gap: 0.75rem;
    }
}

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

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .hero-ctas .btn {
        justify-content: center;
    }

    .container {
        padding: 0 1rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}