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

:root {
    --primary: #00a86b;
    --primary-dark: #007a52;
    --secondary: #1e90ff;
    --secondary-dark: #0d76cc;
    --danger: #ff4444;
    --warning: #ffa500;
    --success: #00d084;
    --dark: #0d1117;
    --light: #f6f8fa;
    --gray: #666666;
    --gray-light: #8b949e;
    --white: #ffffff;
    --border: #30363d;
    --bg-secondary: #161b22;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, #ffffff 0%, #f6f8fa 100%);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 168, 107, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(30, 144, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-brand h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.nav-brand p {
    font-size: 11px;
    color: var(--gray-light);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 52px;
    margin-bottom: 16px;
    font-weight: 700;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge.success {
    background-color: rgba(0, 200, 100, 0.2);
    color: var(--success);
}

.badge.info {
    background-color: rgba(30, 144, 255, 0.2);
    color: var(--secondary);
}

.badge.warning {
    background-color: rgba(255, 165, 0, 0.2);
    color: var(--warning);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 14px;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 168, 107, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.3);
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

/* Sections */
.section {
    padding: 80px 20px;
}

.section h2 {
    font-size: 40px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark);
    font-weight: 700;
}

.section p {
    font-size: 16px;
    color: var(--gray);
}

.section-glass {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.section-warning {
    background: rgba(255, 165, 0, 0.05);
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.card h3 {
    color: var(--primary);
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 600;
}

.card ul {
    list-style: none;
    margin-top: 16px;
}

.card ul li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--gray);
}

.card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Features */
.feature {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.feature:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(4px);
}

.feature i {
    font-size: 28px;
    color: var(--primary);
    flex-shrink: 0;
}

.feature h4 {
    margin: 0 0 8px 0;
    color: var(--dark);
    font-size: 16px;
    font-weight: 600;
}

.feature p {
    margin: 0;
    color: var(--gray);
    font-size: 14px;
}

/* Devices Grid */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 40px 0;
}

.device-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
    transition: transform 0.2s;
}

.device-badge:hover {
    transform: scale(1.05);
}

/* Download Cards */
.download-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.download-card h3 {
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 18px;
    font-weight: 600;
}

.subtitle {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin: 4px 0;
}

.description {
    color: var(--gray);
    font-size: 14px;
    margin: 8px 0;
}

.password, .info {
    background-color: rgba(0, 168, 107, 0.05);
    padding: 10px;
    border-radius: 6px;
    font-size: 12px;
    margin: 10px 0;
    border-left: 3px solid var(--primary);
}

.password code, .info code {
    background-color: var(--dark);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 11px;
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.step {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--primary);
    text-align: center;
    transition: all 0.3s;
}

.step:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.step-number {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

.step h4 {
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
}

.step p {
    color: var(--gray);
    font-size: 14px;
}

/* Warnings */
.warnings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.warning-box {
    background: rgba(255, 68, 68, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--danger);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.warning-box h4 {
    color: var(--danger);
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
}

.warning-box p {
    color: var(--gray);
    font-size: 14px;
    margin: 0;
}

/* FAQ */
.faq {
    display: grid;
    gap: 16px;
    margin: 40px 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-item h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 600;
}

.faq-item p {
    color: var(--gray);
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}

/* Developer Card */
.developer-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    padding: 40px;
    border-radius: 12px;
    margin-top: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.developer-info h3 {
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 700;
}

.location {
    font-size: 14px;
    opacity: 0.9;
    margin: 4px 0;
}

.experience {
    font-weight: 600;
    margin: 12px 0;
}

.description {
    margin: 16px 0;
    line-height: 1.8;
    opacity: 0.95;
}

.skills {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.skill-tag {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.contact-box {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s;
}

.contact-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.contact-box i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 12px;
}

.contact-box h4 {
    color: var(--dark);
    margin: 12px 0;
    font-size: 16px;
    font-weight: 600;
}

.contact-box p {
    color: var(--gray);
    margin: 8px 0;
    font-size: 14px;
}

.contact-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: 12px;
    transition: color 0.2s;
    font-size: 14px;
}

.contact-link:hover {
    color: var(--secondary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    padding: 40px 20px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h5 {
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-section p {
    color: #8b949e;
    font-size: 14px;
    margin-bottom: 8px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #8b949e;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 14px;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #8b949e;
    font-size: 14px;
    max-width: 1280px;
    margin: 0 auto;
}

.footer-bottom p {
    margin: 8px 0;
}

.footer-bottom a {
    color: var(--primary);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.link:hover {
    text-decoration: underline;
}

code {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: var(--primary);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 12px;
        font-size: 13px;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn, .btn-large {
        width: 100%;
        max-width: 300px;
    }

    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .section h2 {
        font-size: 28px;
    }

    .feature {
        flex-direction: column;
        text-align: center;
    }

    .contact-box {
        margin-bottom: 20px;
    }

    .section {
        padding: 50px 16px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}