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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-brand a {
    text-decoration: none;
    color: #1e3a8a;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-brand i {
    color: #3b82f6;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #1e3a8a;
}

.btn-nav {
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-nav.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
}

.btn-nav.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #4b5563;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    color: white;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    padding: 12px 30px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1e293b;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

/* Features */
.features-preview {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.8rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
}

/* Pricing Preview */
.pricing-preview {
    background: #f1f5f9;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tier-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

.tier-card:hover {
    transform: translateY(-10px);
}

.tier-card.popular {
    border: 2px solid #3b82f6;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.tier-card h3 {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 15px;
}

.tier-price {
    font-size: 3rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 10px;
}

.tier-range {
    color: #64748b;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.tier-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.tier-features li {
    margin-bottom: 15px;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tier-features i {
    color: #10b981;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3, .footer-col h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-col h3 i {
    color: #60a5fa;
    margin-right: 10px;
}

.footer-col p {
    color: #cbd5e1;
    margin-bottom: 15px;
}

.footer-col a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #60a5fa;
}

.social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.social a:hover {
    background: #3b82f6;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .tier-card.popular {
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Form Styles (for login/register pages) */
.form-container {
    max-width: 500px;
    margin: 100px auto;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
    color: #1e293b;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #475569;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
}

.form-text {
    text-align: center;
    margin-top: 20px;
    color: #64748b;
}

.form-text a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}