/* === LANDING PAGE STYLES === */

/* Import CSS variables from main.css */
@import url('./main.css');

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === NAVIGATION === */
.nav {
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

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

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

/* === BUTTONS === */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 0.9375rem;
}

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

.btn-primary:hover {
    background: #1f2937;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

/* Secondary buttons sit on the dark hero gradient; the default
   light-theme text color (#111827) is unreadable there. */
.hero .btn-secondary {
    color: white;
    border-color: rgba(255, 255, 255, 0.6);
}

.hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: white;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

/* === HERO SECTION === */
.hero {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    color: white;
    padding: 6rem var(--space-6);
    text-align: center;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #d1d5db;
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

/* === CODE PREVIEW === */
.code-preview {
    background: #111827;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.code-header {
    background: #1f2937;
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border-bottom: 1px solid #374151;
}

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

.code-dot-red { background: #ef4444; }
.code-dot-yellow { background: #f59e0b; }
.code-dot-green { background: #10b981; }

.code-title {
    margin-left: var(--space-4);
    font-size: 0.75rem;
    color: #9ca3af;
    font-family: var(--font-mono);
}

.code-content {
    padding: var(--space-6);
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    color: #e5e7eb;
    overflow-x: auto;
}

.prompt {
    color: #10b981;
    margin-right: var(--space-2);
}

/* === FEATURES SECTION === */
.features {
    padding: 6rem var(--space-6);
    background: var(--color-bg);
}

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

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === ABOUT SECTION === */
.about {
    padding: 6rem var(--space-6);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-8);
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    justify-content: center;
    margin-bottom: var(--space-10);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-primary);
    font-weight: 500;
}

.about-feature svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.about-cta {
    display: flex;
    justify-content: center;
}

/* === FOOTER === */
.footer {
    padding: var(--space-8) var(--space-6);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.footer-links {
    display: flex;
    gap: var(--space-8);
}

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

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

.footer-copyright {
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--space-4);
    }

    .nav-links {
        gap: var(--space-4);
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 4rem var(--space-4);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .btn-large {
        width: 100%;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .features {
        padding: 4rem var(--space-4);
    }

    .about {
        padding: 4rem var(--space-4);
    }

    .about-features {
        flex-direction: column;
        gap: var(--space-4);
    }

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

@media (max-width: 480px) {
    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .code-content {
        font-size: 0.75rem;
        padding: var(--space-4);
    }
}