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

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --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);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--color-gray-900);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-black);
    text-decoration: none;
}

.logo-icon {
    /* width: 32px;
    height: 32px;
    color: var(--color-black); */
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--color-gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-black);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-black);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-gray-600);
    margin-bottom: 40px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-black);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.btn-icon {
    width: 20px;
    height: 20px;
}



/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 32px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-black);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--color-black);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* How it Works Section */
.how-it-works {
    padding: 100px 0;
    background-color: var(--color-gray-100);
}



.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-top: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.step-description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: 100px 0;
    background-color: var(--color-white);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.download-card {
    padding: 40px;
    background: var(--color-gray-100);
    border: 2px solid var(--color-gray-200);
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    border-color: var(--color-black);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    color: var(--color-black);
}

.download-icon svg {
    width: 100%;
    height: 100%;
}

.download-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.download-description {
    color: var(--color-gray-600);
    margin-bottom: 24px;
    line-height: 1.7;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background-color: var(--color-gray-100);
}

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

.faq-item {
    background: var(--color-white);
    padding: 32px;
    margin-bottom: 20px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-200);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-black);
}

.faq-question {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.faq-answer {
    color: var(--color-gray-600);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--color-black);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--color-gray-300);
    transition: border-color 0.3s ease;
}

.faq-answer a:hover {
    border-bottom-color: var(--color-black);
}

/* Footer */
.footer {
    padding: 60px 0 40px;
    background-color: var(--color-black);
    color: var(--color-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-logo .logo-icon {
    /* width: 28px;
    height: 28px;
    color: var(--color-white); */
}

.footer-copyright {
    color: var(--color-gray-400);
    font-size: 14px;
}

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

.footer-links a {
    color: var(--color-gray-300);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 42px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .hero-subtitle {
        font-size: 18px;
    }

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

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }
}