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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Color Scheme */
:root {
    --dark: #0F172A;
    --dark-gray: #1E293B;
    --medium-gray: #475569;
    --light-gray: #F1F5F9;
    --white: #FFFFFF;
    --primary: #10B981;
    --primary-dark: #059669;
    --accent: #06B6D4;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    color: var(--dark);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    z-index: 100;
    border-bottom: 1px solid var(--light-gray);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: color 0.3s, border-color 0.3s;
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    padding-bottom: 0.25rem;
}

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

nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 8rem 2rem;
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Main Content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

main {
    min-height: 60vh;
    padding: 4rem 0;
}

/* Sections */
section {
    margin-bottom: 3rem;
}

section h2 {
    font-size: 2.25rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.75rem;
    font-weight: 700;
}

section h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

section h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

section p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--medium-gray);
}

/* Lists */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
}

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

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--light-gray);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

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

.feature-card h3 {
    color: var(--dark);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    margin-top: 0;
    font-weight: 600;
}

.feature-card p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* FAQ Section */
.faq-item {
    background-color: var(--white);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--light-gray);
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.08);
}

.faq-question {
    font-weight: 600;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 1rem;
    display: none;
    color: #555;
    line-height: 1.8;
}

.faq-answer.active {
    display: block;
}

.faq-toggle {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-toggle.active {
    transform: rotate(180deg);
}

/* Privacy/Security Cards */
.security-card {
    background-color: var(--light-gray);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.security-card h3 {
    margin-top: 0;
    color: var(--dark-brown);
}

/* Blog/Testimonials Grid */
.blog-grid, .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card, .testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid var(--light-gray);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.blog-card:hover, .testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.blog-card h3, .testimonial-card h3 {
    margin-top: 0;
    color: var(--dark-brown);
}

.blog-date {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: bold;
}

.testimonial-author {
    color: var(--medium-brown);
    font-weight: bold;
    margin-top: 1rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 12px;
    margin: 2rem 0;
}

.cta-section h2 {
    color: var(--white);
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 2.5rem;
    text-align: center;
    margin-top: 3rem;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.85;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    nav ul {
        gap: 1rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 3rem 1rem;
        min-height: auto;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}