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

:root {
    --primary-color: #3B82F6;
    --secondary-color: #F4E03D;
    --accent-yellow: #FFD700;
    --dark-gray: #5F7A8A;
    --light-gray: #F8F9FA;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --gradient-start: #93C5FD;
    --gradient-end: #BFDBFE;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

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

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

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

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

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    background: #2563EB;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 6rem 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Info Section */
.info-section {
    background: white;
    padding: 4rem 0;
}

.info-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.info-text {
    font-size: 1.3rem;
    color: var(--text-dark);
    line-height: 1.8;
}

.info-text strong {
    color: var(--primary-color);
}

/* How It Works Section */
.how-it-works {
    background: var(--light-gray);
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.result-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563EB 100%);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-hover);
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.result-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.result-box p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* Features Section */
.features {
    background: white;
    padding: 6rem 0;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 4rem;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-card-reverse {
    direction: rtl;
}

.feature-card-reverse > * {
    direction: ltr;
}

.feature-image img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-image img:hover {
    transform: scale(1.05);
}

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

.feature-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Target Audience Section */
.target-audience {
    background: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);
    padding: 6rem 0;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.audience-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 4px solid var(--secondary-color);
}

.audience-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.audience-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.audience-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.audience-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1E40AF 100%);
    padding: 6rem 0;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn img {
    height: 60px;
    width: auto;
    transition: transform 0.3s;
}

.download-btn:hover img {
    transform: scale(1.05);
}

/* Footer */
.footer {
    background: #1F2937;
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #9CA3AF;
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: #9CA3AF;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav {
        gap: 1rem;
    }

    .nav a:not(.btn-primary) {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        justify-self: center;
    }

    .feature-card,
    .feature-card-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .feature-image {
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

    .steps-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
}