/* Landing Page Styles */
:root {
    --velvet: #6f2da8;
    --velvet-dark: #5a2390;
    --velvet-light: #8b3ba8;
    --dark-bg: #0f1117;
    --darker-bg: #010409;
    --card-bg: #161b22;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
nav {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--velvet) 0%, var(--velvet-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.nav-links a.active {
    color: var(--velvet);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-outline:hover {
    background: rgba(111, 45, 168, 0.1);
    color: var(--velvet-light);
}

.btn-primary {
    background: linear-gradient(135deg, var(--velvet) 0%, var(--velvet-light) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(111, 45, 168, 0.3);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--card-bg) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(111, 45, 168, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--velvet) 0%, var(--velvet-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
section {
    padding: 6rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--velvet);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(111, 45, 168, 0.15);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(111, 45, 168, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border: 2px solid var(--velvet);
    transform: scale(1.05);
}

.pricing-card:hover:not(.featured) {
    border-color: var(--velvet);
    transform: translateY(-5px);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--velvet) 0%, var(--velvet-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.plan-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.plan-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.plan-features li:before {
    content: '✓';
    color: var(--velvet);
    font-weight: bold;
}

.plan-features li.unlimited:before {
    content: '∞';
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1rem 0;
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    section {
        padding: 3rem 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.grid {
    display: grid;
    gap: 2rem;
}

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

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* About page */
.mission-copy h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.mission-copy p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.mission-visual {
    background: linear-gradient(135deg, var(--velvet) 0%, var(--velvet-light) 100%);
    border-radius: 12px;
    min-height: 280px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.mission-visual i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.mission-visual p {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.compare-list {
    list-style: none;
    padding: 0;
    color: var(--text-secondary);
}

.compare-list li {
    margin-bottom: 0.8rem;
}

.compare-list strong {
    color: var(--text-primary);
}

.stat-card {
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--velvet);
    margin-bottom: 0.5rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}