@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary-color: #0098EA; /* TON Blue */
    --primary-hover: #0077b5;
    --bg-dark: #0F172A;
    --bg-darker: #020617;
    --surface: #1E293B;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --accent-gradient: linear-gradient(135deg, #0098EA 0%, #00C2FF 100%);
    --card-border: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

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

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 152, 234, 0.3);
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--surface);
    border: var(--card-border);
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    color: white;
    transition: all 0.3s;
    min-width: 160px;
}

.store-btn:hover {
    background-color: #273549;
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.store-btn.secondary {
    background-color: transparent;
}

.store-btn .icon {
    width: 32px;
    height: 32px;
}

.store-btn div {
    display: flex;
    flex-direction: column;
}

.store-btn div span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.store-btn div strong {
    font-size: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    z-index: 2;
    filter: drop-shadow(0 0 50px rgba(0, 152, 234, 0.2));
}

.glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,152,234,0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: 1;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--surface);
    padding: 30px;
    border-radius: 20px;
    border: var(--card-border);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 152, 234, 0.3);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Info Section */
.info-section {
    padding: 100px 0;
}

.info-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.info-text {
    flex: 1;
}

.info-text h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.info-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.check-list li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
}

.info-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.security-img {
    max-width: 300px;
    filter: drop-shadow(0 0 30px rgba(0, 152, 234, 0.1));
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(0deg, #020617 0%, #0F172A 100%);
}

.cta-group.center {
    justify-content: center;
}

/* Footer */
.footer {
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: var(--bg-darker);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: block;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #475569;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-container {
        height: 70px;
    }
    
    .sm-hidden {
        display: none;
    }

    .hero {
        padding-top: 120px;
        text-align: center;
    }

    .hero-container {
        flex-direction: column-reverse;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-content {
        margin: 0 auto;
    }

    .cta-group {
        justify-content: center;
    }

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

    .check-list {
        display: inline-block;
        text-align: left;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}