/* Reset and Variables */
:root {
    --primary-color: #0b5cff; /* Zoom blue */
    --secondary-color: #333333;
    --text-color: #555555;
    --light-bg: #f5f7fa;
    --white: #ffffff;
    --warning: #f1c40f;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}
a:hover {
    color: #0840b2;
}
h1, h2, h3, h4 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Nav */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}
.nav a {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 16px;
    padding: 5px 0;
}
.nav a:hover, .nav a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4ebf5 100%);
    padding: 60px 0;
}
.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.hero-text {
    flex: 1;
}
.hero-text h1 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: 15px;
}
.subtitle {
    font-size: 18px;
    margin-bottom: 25px;
    color: #666;
}
.soft-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
    font-size: 14px;
    color: #777;
}
.text-warning {
    color: var(--warning);
}
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
}
.btn-primary:hover {
    background-color: #0840b2;
    color: var(--white);
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
}
.btn-secondary:hover {
    background-color: #1a1a1a;
    color: var(--white);
    transform: translateY(-2px);
}
.btn-lg {
    font-size: 18px;
    padding: 15px 30px;
}
.download-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}
.safe-text {
    font-size: 13px;
    color: #28a745;
}
.hero-image {
    flex: 1;
    text-align: right;
}
.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 15px 0;
    font-size: 14px;
    color: #777;
    border-bottom: 1px solid #eee;
}
.breadcrumbs a {
    color: #777;
}
.breadcrumbs a:hover {
    color: var(--primary-color);
}
.breadcrumbs span {
    color: var(--secondary-color);
}

/* Sections */
.section {
    padding: 50px 0;
}
.bg-light {
    background-color: var(--light-bg);
}
.content-section h1, .content-section h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 30px;
}
.content-box {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.content-box p {
    margin-bottom: 20px;
    font-size: 16px;
}
.content-box h2, .content-box h3 {
    margin-top: 30px;
    text-align: left;
}
.feature-list {
    list-style-type: none;
}
.feature-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}
.feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* FAQ */
.faq-section h2 {
    text-align: center;
    margin-bottom: 40px;
}
.faq-item {
    background: var(--light-bg);
    padding: 20px 25px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}
.faq-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: var(--primary-color);
}
.faq-item p {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background-color: #222;
    color: #bbb;
    padding: 40px 0 20px;
    text-align: center;
}
.footer-links {
    margin-bottom: 20px;
}
.footer-links a {
    color: #ddd;
    margin: 0 10px;
}
.footer-links a:hover {
    color: var(--primary-color);
}
.footer p {
    font-size: 13px;
    color: #777;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    .hero-image {
        margin-top: 30px;
    }
    .download-buttons {
        justify-content: center;
    }
    .nav ul {
        gap: 15px;
    }
}