:root {
    --primary: #0A2540;
    --primary-light: #1A3A5F;
    --accent: #FFB800;
    --accent-light: #FFC933;
    --bg: #FFFFFF;
    --bg-secondary: #F7F9FC;
    --text: #1A1A1A;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

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

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

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.logo-icon {
    font-size: 32px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-nav {
    background: var(--primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.btn-nav:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 40px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,184,0,0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 60px auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--accent);
    position: relative;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,184,0,0.3);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: -32px auto 48px;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.problem-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

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

/* Features Section */
.features {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    transition: all 0.3s;
    position: relative;
}

.feature-card.featured {
    border-color: var(--accent);
    box-shadow: 0 8px 32px rgba(255,184,0,0.15);
}

.feature-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 15px;
}

/* Simulator Section */
.simulator-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.simulator-demo {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
}

.simulator-form {
    padding: 48px;
    border-bottom: 2px solid var(--border);
}

.simulator-form h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--primary);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,37,64,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.simulator-result {
    padding: 48px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.result-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.result-badge {
    background: var(--accent);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.result-card {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
}

.result-card.full-width {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.result-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.result-card.full-width .result-label {
    color: rgba(255,255,255,0.9);
}

.result-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.result-value.green {
    color: var(--success);
}

.result-value.highlight {
    color: var(--accent);
}

.result-card.full-width .result-value {
    color: var(--accent);
}

.result-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.result-actions .btn {
    flex: 1;
}

.result-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}

/* Social Proof Section */
.social-proof {
    padding: 80px 0;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    font-size: 20px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    gap: 16px;
    align-items: center;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.author-name {
    font-weight: 600;
    color: var(--primary);
}

.author-title {
    font-size: 14px;
    color: var(--text-secondary);
}

.proof-numbers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    padding: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.proof-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.proof-label {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 2px solid var(--border);
    transition: all 0.3s;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 12px 48px rgba(255,184,0,0.2);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--border);
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary);
}

.period {
    font-size: 18px;
    color: var(--text-secondary);
}

.pricing-discount {
    margin-top: 12px;
    font-size: 14px;
    color: var(--success);
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text);
    font-size: 15px;
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.pricing-guarantee {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    display: flex;
    gap: 24px;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.guarantee-icon {
    font-size: 48px;
}

.guarantee-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

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

/* Signup Section */
.signup {
    padding: 80px 0;
}

.signup-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.signup-info h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--primary);
}

.signup-info > p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.signup-benefits {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 16px;
}

.benefit-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.benefit-text strong {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
    color: var(--primary);
}

.benefit-text span {
    color: var(--text-secondary);
    font-size: 15px;
}

.signup-form-container {
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.signup-form h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.form-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.plan-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.plan-option {
    position: relative;
    cursor: pointer;
}

.plan-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.plan-content {
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: all 0.2s;
}

.plan-option input[type="radio"]:checked + .plan-content {
    border-color: var(--primary);
    background: rgba(10,37,64,0.05);
}

.plan-option.featured input[type="radio"]:checked + .plan-content {
    border-color: var(--accent);
    background: rgba(255,184,0,0.1);
}

.plan-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.plan-name {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.plan-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 16px;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.2);
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .section-title {
        font-size: 28px;
    }

    .problem-grid,
    .features-grid,
    .testimonials,
    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .result-actions {
        flex-direction: column;
    }

    .signup-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .signup-info h2 {
        font-size: 28px;
    }

    .plan-selector {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}