:root {
    --primary-color: #0891b2;
    --primary-dark: #0e7490;
    --secondary-color: #1e40af;
    --secondary-dark: #1e3a8a;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

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

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

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

/* Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s;
}

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

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0891b2 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 40px 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

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

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.problem-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-card i {
    font-size: 3rem;
    color: var(--error-color);
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Solution Section */
.solution-section {
    background: white;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.solution-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
}

.solution-feature i {
    font-size: 1.5rem;
    color: var(--success-color);
}

/* Features Section */
.features-section {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

/* Workflow Section */
.workflow-section {
    background: white;
}

.workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.workflow-step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.step-number {
    min-width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.step-features {
    list-style: none;
    padding: 0;
}

.step-features li {
    margin-bottom: 15px;
    padding-left: 0;
    color: var(--text-dark);
}

.step-features li strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

/* Audiences Section */
.audiences-section {
    background: var(--bg-light);
}

.audiences-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.audience-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.audience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.audience-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.audience-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

/* About Section */
.about-section {
    background: white;
}

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

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

blockquote {
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    margin: 40px 0;
    border-radius: 8px;
}

blockquote p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 15px;
}

cite {
    font-style: normal;
    font-weight: 600;
    color: var(--primary-color);
}

/* Beta Section */
.beta-section {
    background: linear-gradient(135deg, #0891b2 0%, #1e40af 100%);
    color: white;
}

.beta-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.beta-section .section-title,
.beta-section .section-subtitle {
    color: white;
}

.beta-benefits,
.beta-requirements,
.beta-timeline {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.beta-benefits h3,
.beta-requirements h3,
.beta-timeline h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.beta-requirements ul {
    list-style: none;
    padding-left: 0;
}

.beta-requirements li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
}

.beta-requirements li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Timeline */
.timeline-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.timeline-item {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.timeline-date {
    min-width: 140px;
    background: rgba(255,255,255,0.2);
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Beta Form */
.beta-form-container {
    background: white;
    color: var(--text-dark);
    padding: 40px;
    border-radius: 12px;
    margin-top: 40px;
}

.beta-form-container h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.beta-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    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 label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.char-counter {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

/* FAQ Section */
.faq-section {
    background: white;
}

.faq-items {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: rgba(8, 145, 178, 0.1);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 1500px;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 30px 25px 30px;
    color: var(--text-dark);
}

.faq-answer ul {
    list-style: none;
    padding-left: 50px;
}

.faq-answer li {
    margin-bottom: 10px;
    position: relative;
}

.faq-answer li::before {
    content: "•";
    position: absolute;
    left: -20px;
    color: var(--primary-color);
    font-weight: bold;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

.footer-bottom a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 999;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.scroll-top.visible {
    display: flex;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

    .workflow-step {
        flex-direction: column;
    }

    .audiences-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .timeline-item {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .section-title {
        font-size: 2rem;
    }

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

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

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