:root {
    --primary: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #E3F2FD;
    --accent: #4CAF50;
    --text-main: #1A237E;
    --text-muted: #5C6BC0;
    --bg-light: #F5F7FA;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(33, 150, 243, 0.1);
    --glass: rgba(255, 255, 255, 0.8);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (max-width: 600px) {
    .container {
        padding: 0 1rem;
    }
}

section {
    padding: 5rem 0;
}

/* Header & Nav */
header {
    background: var(--glass);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: 40px;
    object-fit: cover;
    border-radius: 10px;
}

.logo-circle {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

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

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

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

/* Hero Section */
.hero {
    padding: 10rem 0 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    animation: fadeIn 0.8s ease-out;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

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

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    animation: float 4s ease-in-out infinite;
}

.hero-card {
    background: white;
    padding: 2rem;
    border-radius: 30px;
    box-shadow: var(--shadow);
    position: relative;
    max-width: 400px;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* Privacy Section */
.privacy-section {
    background: var(--primary);
    color: white;
    border-radius: 40px;
    padding: 5rem 3rem;
    margin: 5rem 0;
}

.privacy-section h2 {
    color: white;
}

.privacy-section p {
    color: rgba(255, 255, 255, 0.9);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.price-card {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.price-card.premium {
    border-color: var(--primary);
    position: relative;
}

.price-card .badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
}

.price-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.price-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-features li i {
    color: var(--primary);
}

/* Footer */
footer {
    background: var(--white);
    padding: 4rem 0 2rem;
    border-top: 1px solid #E0E0E0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #EEEEEE;
    color: var(--text-muted);
}

/* Why Section */
.why-section {
    background: white;
    padding: 5rem 3rem;
    border-radius: 40px;
    margin: 5rem 0;
    text-align: center;
}

.why-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.why-item {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
}

.why-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* FAQ Section */
.faq-grid {
    max-width: 800px;
    margin: 4rem auto 0;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Pricing refined */
.price-card ul {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.price-card li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer refined */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 32px;
    width: 32px;
    object-fit: cover;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
    }

    .hero-visual {
        margin-top: 4rem;
    }
}

@media (max-width: 600px) {
    .nav {
        padding: 1rem 0;
    }

    .nav .btn {
        display: none;
    }

    .hero {
        padding-top: 6rem;
    }

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

    .hero-content h2 {
        font-size: 1.8rem !important;
        margin-bottom: 1rem;
    }

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

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

    .why-section {
        padding: 3rem 1.5rem;
    }

    /* Stack footer content on mobile */
    .footer-content {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        text-align: center;
        align-items: center;
    }

    .footer-logo {
        justify-content: center;
    }
}