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

:root {
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #F4A460;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

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

/* Navbar */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
    padding: 100px 20px;
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon {
    width: 300px;
    height: 300px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.features {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 20px;
    background-color: var(--bg-white);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.step p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Privacy Section */
.privacy {
    padding: 100px 20px;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
}

.privacy h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.privacy-content {
    max-width: 700px;
    margin: 0 auto;
}

.privacy-text h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    opacity: 0.95;
}

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

.privacy-list li {
    padding: 0.8rem 0;
    font-weight: 500;
}

/* Permissions Section */
.permissions {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.permissions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.permission-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.permission-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.permission-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.permission-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.permission-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Themes Section */
.themes {
    padding: 100px 20px;
    background-color: var(--bg-white);
    text-align: center;
}

.themes h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.themes > .container > p:first-of-type {
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.theme-preview {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.theme-preview.forest {
    background: linear-gradient(135deg, #1B5E20 0%, #4CAF50 100%);
}

.theme-preview.mint {
    background: linear-gradient(135deg, #00897B 0%, #4DB8A8 100%);
}

.theme-preview.strawberry {
    background: linear-gradient(135deg, #C2185B 0%, #FF6B9D 100%);
}

.theme-preview.butter {
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
}

.theme-preview.peanut {
    background: linear-gradient(135deg, #6D4C41 0%, #A1887F 100%);
}

.theme-preview.plain {
    background: linear-gradient(135deg, #424242 0%, #757575 100%);
}

.theme-option span {
    font-weight: 600;
    color: var(--text-dark);
}

.theme-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* FAQ Section */
.faq {
    padding: 100px 20px;
    background-color: var(--bg-light);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Download Section */
.download {
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download > .container > p:first-of-type {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.download-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: #FF8C00;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.download-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 50px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ECF0F1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #BDC3C7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        padding: 50px 20px;
    }

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

    .hero-icon {
        width: 200px;
        height: 200px;
    }

    .features h2,
    .security h2,
    .download h2 {
        font-size: 2rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .download-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

@media (max-width: 480px) {
    .logo-icon {
        width: 30px;
        height: 30px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }
}