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

:root {
    --primary-color: #14B8C6;
    --primary-dark: #0E9FB8;
    --secondary-color: #6B4433;
    --accent-color: #FF8A65;
    --text-dark: #231F20;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-wrapper {
    width: 100%;
    padding: 20px 40px;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 30px;
}

.nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

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

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

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

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

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

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

.btn-badge {
    display: block;
    font-size: 14px;
    font-weight: 400;
    margin-top: 5px;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 50%, #E1F5FE 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 800px;
    height: 100%;
    max-height: 600px;
    background-image: url('4251881_2257889.svg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
    filter: brightness(1.1);
}

.hero-content {
    position: relative;
    z-index: 1;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.hero-description {
    font-size: 18px;
    color: var(--text-dark);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

.hero-cta {
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

/* Section Styles */
.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

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

.problem-text {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.problem-highlight {
    background: #fff3cd;
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    border-radius: 8px;
    margin-top: 30px;
}

.problem-highlight p {
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.8;
}

.problem-highlight p:last-child {
    margin-bottom: 0;
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background: var(--bg-light);
}

.solution-intro {
    font-size: 20px;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
}

.key-point {
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.key-point-icon {
    font-size: 60px;
    flex-shrink: 0;
}

.key-point-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.key-point-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dark);
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: var(--bg-white);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.step-content > p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.step-image {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    display: block;
}

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

.screens-grid .step-image {
    max-width: 100%;
}

/* Advantages Section */
.advantages {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.advantage-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.advantage-card.highlight {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 2px solid var(--primary-color);
}

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

.advantage-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantage-card p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

/* Why Works Section */
.why-works {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.why-item {
    text-align: center;
    padding: 30px;
}

.why-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.why-item p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
}

.pricing-card.free {
    border: 2px solid var(--primary-color);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.pricing-price {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.pricing-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 16px;
}

.pricing-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.pricing-note {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.faq-item {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.faq-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.faq-item p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 42px;
    margin-bottom: 20px;
    color: white;
}

.cta-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.cta .btn-primary:hover {
    background: var(--bg-light);
}

/* 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 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-mission {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
}

.footer-link {
    display: block;
    color: white;
    text-decoration: none;
    margin-bottom: 10px;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.footer-link:hover {
    opacity: 1;
}

.footer-section a.footer-link {
    display: inline;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-wrapper {
        padding: 15px 20px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-end;
    }

    .nav {
        width: 100%;
        flex-direction: column;
        gap: 15px;
    }

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

    .hero-subtitle {
        font-size: 20px;
    }

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

    .hero::before {
        max-width: 100%;
        max-height: 400px;
        opacity: 0.25;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        text-align: center;
        display: block;
    }

    .btn-large {
        width: 100%;
        max-width: 100%;
    }

    .hero-cta {
        width: 100%;
        padding: 0 20px;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 100%;
    }

    .header-content .btn {
        width: 100%;
        text-align: center;
    }

    .cta .btn {
        width: 100%;
        max-width: 100%;
    }

    .section-title {
        font-size: 32px;
    }

    .step {
        flex-direction: column;
    }

    .step-number {
        align-self: flex-start;
    }

    .key-point {
        flex-direction: column;
        text-align: center;
    }

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

    .advantages-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

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

    .hero::before {
        max-height: 300px;
        opacity: 0.2;
    }

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

    .btn {
        width: 100%;
        max-width: 100%;
        text-align: center;
        display: block;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
        width: 100%;
        max-width: 100%;
    }

    .hero-cta {
        width: 100%;
        padding: 0 15px;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 100%;
    }

    .header-content .btn {
        width: 100%;
        text-align: center;
    }

    .cta .btn {
        width: 100%;
        max-width: 100%;
    }
}