/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
    /* Colors */
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #d1fae5;
    --secondary: #3b82f6;
    --dark: #1f2937;
    --dark-light: #374151;
    --gray: #6b7280;
    --gray-light: #f3f4f6;
    --white: #ffffff;
    --black: #000000;
    --success: #10b981;
    --danger: #ef4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===================================
   Layout Components
   =================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    text-align: center;
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
}

/* ===================================
   Navigation
   =================================== */

.nav {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-icon {
    font-size: 1.75rem;
}

.btn-nav {
    padding: 0.625rem 1.5rem;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full-width {
    width: 100%;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.85) 0%, rgba(37, 99, 235, 0.85) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-cta {
    margin-bottom: var(--spacing-2xl);
}

.cta-subtext {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.9;
}

.social-proof {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.proof-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

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

/* ===================================
   Problem Section
   =================================== */

.section-problem {
    background: var(--gray-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-text {
    font-size: 1rem;
    color: var(--gray);
}

/* ===================================
   Solution Section
   =================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--gray-light);
    transition: var(--transition);
    position: relative;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-highlight {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.1) 100%);
}

.feature-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.feature-description {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

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

.feature-list li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-light);
    font-size: 0.9375rem;
}

.feature-list li::before {
    content: "✓ ";
    color: var(--primary);
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

.bonus-section {
    background: var(--primary-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-2xl);
}

.bonus-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

.bonus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.bonus-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

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

.bonus-text {
    font-size: 0.9375rem;
    color: var(--dark);
}

/* ===================================
   How It Works Section
   =================================== */

.section-how {
    background: var(--white);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.step-description {
    color: var(--gray);
    font-size: 0.9375rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

.cta-box {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: var(--white);
}

.cta-box-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Pricing Section
   =================================== */

.section-pricing {
    background: var(--gray-light);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    border: 2px solid var(--primary);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray);
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--dark);
}

.price-period {
    font-size: 1rem;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-feature {
    padding: var(--spacing-sm) 0;
    color: var(--dark-light);
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-light);
}

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

.pricing-guarantee {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-light);
}

.pricing-guarantee p {
    font-size: 0.875rem;
    color: var(--gray);
    margin: var(--spacing-xs) 0;
}

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

.comparison-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.comparison-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--gray-light);
}

.comparison-item.highlight {
    border-color: var(--primary);
    background: var(--primary-light);
}

.comparison-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.comparison-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

/* ===================================
   FAQ Section
   =================================== */

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

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--gray-light);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--gray-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 400;
    transition: var(--transition);
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray);
    line-height: 1.7;
}

/* ===================================
   Final CTA Section
   =================================== */

.section-final-cta {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: var(--white);
}

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

.final-cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.final-cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.final-cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--gray-light);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--white);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--gray);
}

/* ===================================
   Modal
   =================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-2xl);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    color: var(--gray);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--dark);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.modal-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.modal-subtitle {
    color: var(--gray);
    font-size: 1rem;
}

/* ===================================
   Forms
   =================================== */

.waitlist-form {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
    font-size: 0.9375rem;
}

.form-group label[for="name"]::after,
.form-group label[for="email"]::after {
    content: " *";
    color: var(--danger);
    font-weight: 700;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input[required],
.form-group select[required] {
    border-left: 3px solid var(--danger);
}

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

.form-group input[required]:focus,
.form-group select[required]:focus {
    border-left-color: var(--danger);
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.form-success.active {
    display: block;
}

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

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.form-success p {
    color: var(--gray);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }

    .hero-video {
        min-width: 100%;
        width: 100%;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .proof-number {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .step-arrow {
        display: none;
    }

    .steps-container {
        flex-direction: column;
    }

    .final-cta-title {
        font-size: 1.75rem;
    }

    .price-amount {
        font-size: 3rem;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .social-proof {
        gap: var(--spacing-md);
    }

    .nav-content {
        gap: var(--spacing-sm);
    }

    .logo-text {
        font-size: 1.125rem;
    }
}

/* ===================================
   Loading Spinner
   =================================== */

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}