:root {
    --primary-color: #2563eb;
    /* Tech Blue */
    --primary-hover: #1d4ed8;
    --secondary-color: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-light: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --font-main: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-sub {
    font-size: 1.25rem;
    color: var(--text-light);
}

.cta-button {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.cta-button.primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.cta-button.primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.23);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background-color: var(--bg-light);
}

.cta-button.full-width {
    width: 100%;
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-cta {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(to bottom, #f8fafc, #ffffff);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero .subheadline {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

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

/* Problem Section */
.problem {
    background-color: var(--bg-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.problem-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--text-light);
}

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.step-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.step-card h3 {
    margin-bottom: 12px;
}

.center-cta {
    text-align: center;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.pricing-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.billing-policy {
    max-width: 800px;
    margin: 0 auto 40px;
    background-color: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius-lg);
}

.billing-policy h3 {
    margin-bottom: 20px;
    text-align: center;
}

.policy-list,
.guarantee-list {
    list-style: none;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.lead-guarantee {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.lead-guarantee strong {
    display: block;
    margin-bottom: 16px;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 48px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.benefit-item .icon {
    font-size: 2rem;
    background-color: #eff6ff;
    padding: 12px;
    border-radius: var(--radius-md);
}

/* Promise Section */
.promise {
    background-color: var(--text-dark);
    color: white;
    text-align: center;
}

.promise h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.promise .subheadline {
    font-size: 1.5rem;
    color: #94a3b8;
    margin-bottom: 32px;
}

.promise .copy {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    color: #cbd5e1;
}

/* Footer */
.footer {
    background-color: var(--bg-white);
    padding: 40px 0 100px;
    /* Extra padding for sticky footer */
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

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

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.company-details {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.8;
}

.company-details strong {
    color: var(--text-dark);
}

.copyright {
    color: #94a3b8;
    font-size: 0.8rem;
}

/* Sticky Footer CTA */
.sticky-footer-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: white;
    padding: 16px 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 900;
    display: none;
    /* Hidden by default on desktop */
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.privacy-content {
    max-width: 800px;
    text-align: left;
}

.privacy-text {
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.6;
}

.privacy-text h3 {
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.privacy-text ul {
    margin-left: 20px;
    margin-bottom: 16px;
}

.privacy-text p {
    margin-bottom: 16px;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close-modal:hover {
    color: #000;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.hidden {
    display: none;
}

#successMessage {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .sticky-footer-cta {
        display: block;
    }

    .footer {
        padding-bottom: 100px;
        /* Space for sticky footer */
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }
}