/* OpenVoicy Landing Page Styles */

:root {
    --color-primary: #06b6d4;
    --color-primary-dark: #0891b2;
    --color-secondary: #8b5cf6;
    --color-accent: #6366f1;
    --color-bg: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-card: #1e293b;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.app-icon {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 32px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-weight: 500;
}

.description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-border);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 80px 0;
}

.features h2,
.how-it-works h2,
.requirements h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.01em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

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

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Keyboard Key Styling */
kbd {
    display: inline-block;
    padding: 4px 8px;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Mono', Monaco, monospace;
    font-size: 0.85em;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: 0 2px 0 var(--color-border);
    color: var(--color-text);
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: var(--color-bg-secondary);
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
}

.steps {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

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

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Requirements Section */
.requirements {
    padding: 80px 0;
}

.requirements-list {
    max-width: 500px;
    margin: 0 auto;
    list-style: none;
}

.requirements-list li {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.requirements-list li:last-child {
    border-bottom: none;
}

.requirements-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Footer */
.footer {
    padding: 48px 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

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

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

.separator {
    margin: 0 16px;
    color: var(--color-border);
}

.copyright {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .description {
        font-size: 1rem;
    }

    .app-icon {
        width: 120px;
        height: 120px;
    }

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

    .features,
    .how-it-works,
    .requirements {
        padding: 60px 0;
    }

    .step {
        gap: 16px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}