/* ===== CSS Variables ===== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #fff;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: 3.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
}

/* ===== Navigation ===== */
.navbar {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

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

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
}

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

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

.btn-demo {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    margin-bottom: 2rem;
}

.badge {
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.hero h1 {
    color: #fff;
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.stat {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
}

.social-proof {
    margin-top: 3rem;
}

.trust-text {
    opacity: 0.8;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .hero-cta {
        flex-direction: column;
    }
}

/* ===== Section Styles ===== */
section {
    padding: 80px 0;
}

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

.section-label {
    display: inline-block;
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 1rem auto 0;
}

/* ===== Problem/Solution Section ===== */
.problem-solution {
    background: var(--light-bg);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--warning-color);
}

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

.solution-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    padding: 3rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.solution-benefits {
    list-style: none;
    margin-top: 1.5rem;
}

.solution-benefits li {
    padding: 0.5rem 0;
    font-size: 1.125rem;
}

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

/* ===== Features Grid ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.feature-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

/* ===== How It Works ===== */
.how-it-works {
    background: var(--light-bg);
}

.workflow-steps {
    max-width: 800px;
    margin: 0 auto;
}

.workflow-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
}

.step-number {
    min-width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.code-snippet {
    display: block;
    background: #1e293b;
    color: #fff;
    padding: 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    margin-top: 1rem;
    overflow-x: auto;
}

.approval-example {
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    font-family: monospace;
    font-size: 0.875rem;
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background: #fff;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.price {
    margin: 2rem 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-note {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.pricing-footer {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
}

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

/* ===== Security ===== */
.security {
    background: var(--dark-bg);
    color: #fff;
}

.security .section-label {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.security h2 {
    color: #fff;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.security-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}

.security-card h3 {
    color: #fff;
    margin-bottom: 1rem;
}

.security-card p {
    color: rgba(255,255,255,0.8);
}

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

/* ===== Comparison Table ===== */
.comparison {
    background: var(--light-bg);
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    overflow-x: auto;
}

table {
    width: 100%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border-collapse: collapse;
}

thead {
    background: var(--primary-color);
    color: #fff;
}

th, td {
    padding: 1.5rem;
    text-align: left;
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background: var(--light-bg);
}

.comparison-note {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    text-align: center;
}

.cta h2 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.cta-subtext {
    margin-top: 2rem;
    opacity: 0.9;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-bg);
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

.compliance-badges {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

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

/* ===== Demo Form ===== */
.demo-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.demo-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.demo-form-container {
    background: #fff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.form-header {
    margin-bottom: 2rem;
}

.form-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.form-actions {
    text-align: center;
    margin-top: 2rem;
}

.form-note {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.success-message {
    text-align: center;
    padding: 3rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 2rem;
}

.success-message h2 {
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-message ul {
    text-align: left;
    max-width: 400px;
    margin: 2rem auto;
}

/* Demo Benefits Sidebar */
.demo-benefits {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.benefit-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.benefit-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.testimonial {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-author {
    color: var(--text-light);
    font-size: 0.875rem;
}

.stats-card .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

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

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

@media (max-width: 968px) {
    .demo-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}