/* ==================== CSS Variables & Root ==================== */
:root {
    --bg-primary: #0f0a1a;
    --bg-secondary: #1a1428;
    --bg-tertiary: #241f3a;
    --text-primary: #e8e6f0;
    --text-secondary: #b0aac0;
    --text-muted: #8b8399;
    --border-color: rgba(255, 255, 255, 0.12);
    --primary-color: #a855f7;
    --primary-dark: #9333ea;
    --primary-light: #c084fc;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Reset & Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== Container ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* ==================== Navigation ==================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(15, 10, 26, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo svg,
.logo-highlight {
    color: var(--primary-color);
}

.nav-links {
    display: none;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .hero {
        padding: 8rem 0;
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 384px;
    height: 384px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 384px;
    height: 384px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(168, 85, 247, 0.2);
    background-color: rgba(168, 85, 247, 0.05);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 3rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 42rem;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

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

.btn-outline:hover {
    background-color: rgba(168, 85, 247, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* ==================== Features Section ==================== */
.features {
    padding: 5rem 0;
    background-color: rgba(26, 20, 40, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .features {
        padding: 8rem 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: 3rem;
    }
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 42rem;
    margin: 0 auto;
}

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

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background-color: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
}

.feature-card svg {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Download Section ==================== */
.download {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .download {
        padding: 8rem 0;
    }
}

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

@media (min-width: 768px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.download-card {
    display: block;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background-color: rgba(255, 255, 255, 0.02);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.download-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background-color: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
}

.download-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.download-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
}

.download-link svg {
    width: 16px;
    height: 16px;
}

/* ==================== Documentation Section ==================== */
.documentation {
    padding: 5rem 0;
    background-color: rgba(26, 20, 40, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .documentation {
        padding: 8rem 0;
    }
}

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

@media (min-width: 768px) {
    .docs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.docs-card {
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.docs-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background-color: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
}

.docs-card svg {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.docs-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.docs-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ==================== CTA Section ==================== */
.cta {
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .cta {
        padding: 8rem 0;
    }
}

.cta-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-background::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 384px;
    height: 384px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .cta-content h2 {
        font-size: 3rem;
    }
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 42rem;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

/* ==================== Footer ==================== */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: rgba(26, 20, 40, 0.3);
    padding: 3rem 0;
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

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

.footer-section p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        text-align: left;
    }
}

.heart {
    color: var(--accent-color);
}

/* ==================== Responsive ==================== */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.875rem;
    }

    .cta-content h2 {
        font-size: 1.875rem;
    }
}