/* Spyne Website - Modern Dark Theme */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #4F46E5;
    --accent-secondary: #7C3AED;
    --gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --border-color: #2a2a3a;
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.1);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-support {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: white;
}

.btn-support:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(ellipse at top, rgba(79, 70, 229, 0.15) 0%, transparent 60%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    width: 300px;
    height: 300px;
    border-radius: 60px;
    box-shadow: 0 40px 80px rgba(79, 70, 229, 0.3);
}

/* Sections */
section {
    padding: 100px 0;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 60px;
}

/* Features */
.features {
    background: var(--bg-secondary);
}

.features h2 {
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Platforms */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

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

.platform-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.platform-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* Download */
.download {
    background: var(--bg-secondary);
}

.download h2 {
    margin-bottom: 40px;
}

.platform-selector {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    justify-content: center;
}

.platform-selector label {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.platform-selector select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px 20px;
    font-size: 1rem;
    color: var(--text-primary);
    cursor: pointer;
    min-width: 280px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
}

.platform-selector select:hover {
    border-color: var(--accent-primary);
}

.platform-selector select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.download-section {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
}

.download-section.active {
    display: block;
}

.download-section h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.download-section > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.download-section pre {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    overflow-x: auto;
}

.download-section code {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.9rem;
    color: #e0e0e0;
}

.download-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.download-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.download-note code {
    background: var(--bg-primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-column a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.support-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 8px;
}

.footer-support {
    text-align: right;
}

.footer-support p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.footer-support .btn-support {
    display: inline-block;
}

/* Contact */
.contact {
    background: var(--bg-primary);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    cursor: pointer;
}

.contact-form button {
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-logo {
        width: 200px;
        height: 200px;
        border-radius: 40px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 40px;
    }

    .footer-support {
        text-align: left;
    }
}