/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.4;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 60, 114, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #87CEEB;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.brand-highlight {
    background: linear-gradient(45deg, #87CEEB, #4CAF50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-cta {
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-visual {
    text-align: center;
    animation: fadeInRight 1s ease 0.6s both;
}

.hero-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #2a5298;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, #4CAF50, #87CEEB);
    border-radius: 2px;
}

.feature-block {
    margin-bottom: 4rem;
}

.feature-title {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

/* Market Analysis Grid */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.market-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.market-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.market-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    object-fit: cover;
}

.market-card h4 {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.market-stats {
    display: grid;
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

.stat-value {
    font-weight: 600;
    color: #2a5298;
}

/* Security Section */
.security {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.security-block {
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.security-title {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.security-description {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.protection-features,
.antiPhishing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.protection-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #4CAF50;
}

.protection-item h4 {
    color: #2a5298;
    margin-bottom: 0.5rem;
}

.protection-item p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

.captcha-demo,
.security-verification {
    text-align: center;
    margin-top: 2rem;
}

.captcha-image,
.verification-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Marketplace Section */
.marketplace {
    padding: 80px 0;
    background: white;
}

.interface-showcase {
    margin-bottom: 4rem;
}

.showcase-title {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.showcase-description {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.interface-preview {
    text-align: center;
    margin: 2rem 0;
}

.interface-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.ui-feature {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.ui-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.ui-feature h4 {
    color: #2a5298;
    margin-bottom: 0.5rem;
}

.ui-feature p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* Categories Section */
.categories-section {
    margin-top: 4rem;
}

.categories-title {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.categories-description {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.category-card:hover::before {
    left: 100%;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(42, 82, 152, 0.3);
}

.category-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.category-count {
    color: #87CEEB;
    font-weight: 600;
    font-size: 0.9rem;
}

.category-card p {
    margin-top: 1rem;
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Trading Section */
.trading {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.trading-block {
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.trading-title {
    color: #2a5298;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.trading-description {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.registration-preview,
.payment-demo {
    text-align: center;
    margin: 2rem 0;
}

.registration-image,
.payment-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.registration-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-item h4 {
    color: #2a5298;
    margin-bottom: 0.5rem;
}

.step-item p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.payment-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.payment-method {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #4CAF50;
}

.payment-method h4 {
    color: #2a5298;
    margin-bottom: 0.5rem;
}

.payment-method p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* Support Section */
.support {
    padding: 80px 0;
    background: white;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.support-item {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(42, 82, 152, 0.3);
}

.support-item h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.support-item p {
    opacity: 0.9;
    font-size: 0.95rem;
    margin: 0;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    color: #87CEEB;
    margin-bottom: 1rem;
}

.footer-description {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section h4 {
    color: #87CEEB;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #87CEEB;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}
