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

:root {
    --primary: #82ca9c;
    --primary-dark: #6ab889;
    --text: #2c3e50;
    --text-light: #555;
    --text-muted: #777;
    --bg-light: #f8f9fa;
    --white: #fff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-light);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 12px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--text);
}

.nav-brand img {
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
}

.nav-checkbox {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle-label span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
}

.hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--text);
    font-weight: 700;
    max-width: 800px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero p {
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 30px;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s, transform 0.2s;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 1.8rem;
    color: var(--text);
    margin-bottom: 15px;
}

.section-title p {
    max-width: 600px;
    margin: 0 auto;
}

/* Partner Section */
.partner-section {
    padding: 50px 0;
    background: var(--white);
}

.partner-banner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.partner-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 25px;
    font-weight: 600;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    margin-bottom: 25px;
}

.partner-logos img {
    max-width: 450px;
    width: 100%;
    object-fit: contain;
}

.partner-text {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    justify-items: center;
}

.features-grid > * {
    width: 100%;
}

.feature-card {
    background: var(--white);
    border-radius: 10px;
    padding: 30px 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-card-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 18px;
}

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

.feature-card h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.92rem;
    line-height: 1.5;
}

.badge-soon {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 12px;
    background: #fff3e0;
    color: #e65100;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 20px;
}

/* Security */
.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.security-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.security-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--primary);
}

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

.security-card h3 {
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 8px;
}

.security-card p {
    font-size: 0.95rem;
}

/* Advantages */
.bg-light {
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-card {
    display: flex;
    gap: 20px;
}

.advantage-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.advantage-content h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 8px;
}

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

/* Pricing */
.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    text-align: center;
}

.pricing-header {
    background: var(--primary);
    color: var(--white);
    padding: 30px;
}

.pricing-header h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
}

.pricing-body {
    padding: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.check-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--primary);
    margin-top: 2px;
}

.pricing-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 20px;
}

/* Contact */
.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 1.1rem;
    margin: 10px 0;
}

.contact-info a {
    color: var(--primary);
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--text);
    color: #bdc3c7;
    padding: 40px 0 25px;
    text-align: center;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    margin: 0 15px;
    color: #ecf0f1;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    font-size: 0.85rem;
}

.footer-bottom p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow);
    }

    .nav-checkbox:checked ~ .nav-links {
        display: flex;
    }

    .nav-toggle-label {
        display: block;
    }

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

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

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

    .advantage-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .partner-logos {
        flex-direction: column;
        gap: 30px;
    }
}