/* Django AI Landing Page Styles */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0b0f19;
    color: #e5e7eb;
    line-height: 1.6;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
    font-family: inherit;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #e5e7eb;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 24px;
    font-size: 0.875rem;
    color: #a5b4fc;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 16px;
    font-size: 0.875rem;
    color: #64748b;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* Features Section */
.features {
    padding: 100px 24px;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.02) 100%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: #94a3b8;
    margin-bottom: 60px;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: #94a3b8;
    font-size: 0.9375rem;
}

/* Pricing Section */
.pricing {
    padding: 100px 24px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 32px;
    position: relative;
}

.pricing-card.featured {
    border-color: rgba(99, 102, 241, 0.5);
    background: rgba(99, 102, 241, 0.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
    padding: 4px 16px;
    border-radius: 24px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
}

.price span {
    font-size: 1rem;
    color: #94a3b8;
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 8px 0;
    color: #94a3b8;
}

.pricing-card .btn {
    width: 100%;
}

/* CTA Section */
.cta {
    padding: 100px 24px;
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta p {
    color: #94a3b8;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 60px 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: #64748b;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-column h4 {
    font-size: 0.875rem;
    color: #fff;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: #64748b;
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: #64748b;
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: #111827;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: #64748b;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #fff;
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header h2 {
    margin-bottom: 8px;
}

.modal-header p {
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Signup Form */
.signup-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.875rem;
    color: #94a3b8;
}

.form-group input {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #6366f1;
}

.form-group input::placeholder {
    color: #64748b;
}

.form-error {
    color: #f87171;
    font-size: 0.875rem;
    display: none;
}

.turnstile-container {
    display: flex;
    justify-content: center;
    min-height: 65px;
}

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: #64748b;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Signup Success */
.signup-success {
    text-align: center;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.signup-success h3 {
    margin-bottom: 12px;
}

.signup-success p {
    color: #94a3b8;
}

.success-note {
    font-size: 0.875rem;
    color: #64748b;
    margin-top: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }

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

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 32px;
    }
}