:root {
    --color-primary: #3cbef2;
    --color-dark: #303948;
    --color-light: #FFFFFF;
    --color-gray: #f8f9fa;
    --color-gray-dark: #eaeaea;
    --color-success: #00a859;
    --color-error: #ff3366;
    --color-text: #303948;
    --color-text-light: #666;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--color-light);
    color: var(--color-text);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    padding: 28px 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-dark);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.header-tagline {
    width: 100%;
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-dark);
}

.tagline-text {
    font-size: 13px;
    color: var(--color-text-light);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-weight: 500;
}

.hero {
    padding: 80px 0 60px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 48px;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    padding: 32px 0;
    border-top: 1px solid var(--color-gray-dark);
    border-bottom: 1px solid var(--color-gray-dark);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

.section {
    padding: 90px 0;
    position: relative;
}

.section:nth-child(even) {
    background-color: var(--color-gray);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-dark);
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-description {
    font-size: 17px;
    color: var(--color-text-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    font-weight: 400;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 28px;
    margin-bottom: 48px;
}

.link-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    border: 1px solid var(--color-gray-dark);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.link-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.link-card:hover::before {
    transform: scaleX(1);
}

.link-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.link-badge {
    background: linear-gradient(135deg, var(--color-primary), #2aa8d8);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.link-latency {
    font-size: 12px;
    color: var(--color-success);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.link-url {
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    color: var(--color-dark);
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-dark);
    cursor: pointer;
    transition: var(--transition);
    word-break: break-all;
    line-height: 1.5;
}

.link-url:hover {
    background-color: rgba(60, 190, 242, 0.05);
    border-color: var(--color-primary);
}

.link-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    background: var(--color-dark);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    letter-spacing: 0.3px;
}

.copy-btn:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(60, 190, 242, 0.2);
}

.link-status {
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.link-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-success);
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.links-note {
    text-align: center;
    padding: 28px;
    background: linear-gradient(135deg, rgba(60, 190, 242, 0.05), transparent);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    margin-top: 40px;
    font-size: 15px;
    color: var(--color-text-light);
}

.verification-box {
    max-width: 700px;
    margin: 0 auto 60px;
    background: var(--color-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-dark);
    box-shadow: var(--shadow-md);
}

.verification-input-group {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.verification-input {
    flex: 1;
    padding: 18px 20px;
    border: 1px solid var(--color-gray-dark);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    outline: none;
    transition: var(--transition);
    background: var(--color-gray);
}

.verification-input:focus {
    border-color: var(--color-primary);
    background: var(--color-light);
    box-shadow: 0 0 0 3px rgba(60, 190, 242, 0.1);
}

.verification-btn {
    background: linear-gradient(135deg, var(--color-dark), #202836);
    color: white;
    border: none;
    padding: 18px 36px;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 15px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.verification-btn:hover {
    background: linear-gradient(135deg, var(--color-primary), #2aa8d8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(60, 190, 242, 0.25);
}

.validation-result {
    margin-top: 20px;
    padding: 20px;
    border-radius: var(--radius-md);
    display: none;
    font-weight: 500;
    font-size: 15px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.validation-result.success {
    display: block;
    background: rgba(0, 168, 89, 0.08);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.validation-result.error {
    display: block;
    background: rgba(255, 51, 102, 0.08);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.verification-info {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background: linear-gradient(135deg, rgba(60, 190, 242, 0.05), transparent);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(60, 190, 242, 0.1);
}

.verification-info h3 {
    font-size: 22px;
    margin-bottom: 24px;
    color: var(--color-dark);
    font-weight: 700;
}

.verification-info ul {
    list-style: none;
    padding-left: 0;
}

.verification-info li {
    padding: 12px 0;
    position: relative;
    padding-left: 32px;
    color: var(--color-text-light);
    font-size: 16px;
}

.verification-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 800;
    font-size: 18px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.info-card {
    background: var(--color-light);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--color-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.info-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--color-dark);
    font-weight: 700;
}

.info-card p {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.7;
}

.market-review {
    max-width: 900px;
    margin: 60px auto 0;
    padding: 40px;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-dark);
    box-shadow: var(--shadow-md);
}

.review-content {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.8;
}

.review-content h3 {
    font-size: 24px;
    margin: 32px 0 16px;
    color: var(--color-dark);
    font-weight: 700;
}

.review-content p {
    margin-bottom: 20px;
}

.review-content ul {
    margin-left: 24px;
    margin-bottom: 24px;
}

.review-content li {
    margin-bottom: 10px;
    color: var(--color-text-light);
}

.review-highlight {
    background: linear-gradient(135deg, rgba(60, 190, 242, 0.1), transparent);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    margin: 32px 0;
}

.review-highlight strong {
    color: var(--color-primary);
    font-weight: 700;
}

.footer {
    background: linear-gradient(135deg, var(--color-dark), #202836);
    color: white;
    padding: 70px 0 40px;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-brand {
    margin-bottom: 40px;
}

.footer-brand img {
    height: 44px;
    width: auto;
    margin-bottom: 20px;
    opacity: 0.9;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    letter-spacing: 0.5px;
}

.footer-links {
    display: flex;
    gap: 36px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
    padding: 4px 0;
}

.footer-links a:hover {
    color: white;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: white;
    transition: width 0.3s ease;
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-seo {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    line-height: 1.8;
    max-width: 800px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.footer-seo strong {
    color: var(--color-primary);
    font-weight: 700;
}

.notification {
    position: fixed;
    top: 24px;
    right: 24px;
    background: linear-gradient(135deg, var(--color-success), #008a4a);
    color: white;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    z-index: 10000;
    transform: translateX(150%);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    letter-spacing: 0.3px;
}

.notification.show {
    transform: translateX(0);
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .verification-input-group {
        flex-direction: column;
    }
    
    .verification-btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 20px;
    }
    
    .verification-box,
    .market-review {
        padding: 28px;
    }
    
    .section {
        padding: 70px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 30px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .link-card {
        padding: 24px;
    }
    
    .verification-box {
        padding: 24px;
    }
    
    .notification {
        left: 20px;
        right: 20px;
        text-align: center;
    }
}


picture, source, img {
    max-width: 100%;
    height: auto;
    display: block;
}

.logo {
    width: 165px;
    height: 60px;
    object-fit: contain;
}


@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


.link-card,
.info-card {
    will-change: transform;
    backface-visibility: hidden;
}


.section-description,
.review-content p,
.info-card p {
    font-size: clamp(15px, 2vw, 17px);
    line-height: 1.6;
}


.links-grid,
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
    gap: 1.5rem;
}


body {
    font-display: swap;
    text-rendering: optimizeSpeed;
}


.footer-brand img {
    width: 120px;
    height: 44px;
}


.link-card:hover,
.info-card:hover {
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.05),
        0 8px 10px -6px rgba(0, 0, 0, 0.01);
}


@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7; 
        transform: scale(0.95);
    }
}


.notification {
    will-change: transform;
    transform: translate3d(150%, 0, 0);
}

.notification.show {
    transform: translate3d(0, 0, 0);
}


.hero-title {
    background: linear-gradient(135deg, #303948 0%, #3cbef2 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.link-badge {
    background: linear-gradient(135deg, #3cbef2, #2aa8d8);
}


@media (max-width: 768px) {
    .links-grid,
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .link-card,
    .info-card {
        padding: 1.25rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat {
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .verification-box,
    .market-review {
        padding: 1.25rem;
    }
    
    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .nav {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
}


html {
    scroll-padding-top: 100px;
}


:focus-visible {
    outline: 2px solid #3cbef2;
    outline-offset: 2px;
}


.link-url {
    user-select: all;
}

.copy-btn {
    touch-action: manipulation;
}


.inter-font {
    font-family: 'Inter', sans-serif;
    font-display: swap;
}

.mono-font {
    font-family: 'JetBrains Mono', monospace;
    font-display: swap;
}


.section {
    scroll-margin-top: 100px;
}


.nav {
    -webkit-overflow-scrolling: touch;
}

.nav-link {
    white-space: nowrap;
}


.footer {
    margin-top: auto;
}

.footer-seo p {
    word-wrap: break-word;
    overflow-wrap: break-word;
}


.verification-input {
    min-height: 54px;
}

.verification-btn {
    min-height: 54px;
}


.verification-info ul {
    display: grid;
    gap: 0.75rem;
}


h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}


.container {
    width: 100%;
    margin: 0 auto;
}


@media screen and (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

@media screen and (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 992px;
    }
}

@media screen and (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 768px;
    }
}

@media screen and (max-width: 767px) {
    .container {
        max-width: 100%;
        padding: 0 16px;
    }
}


.section {
    padding: clamp(60px, 10vw, 90px) 0;
}


.validation-result {
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}


* {
    -webkit-tap-highlight-color: transparent;
}


::selection {
    background-color: rgba(60, 190, 242, 0.2);
    color: #303948;
}


::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

@media print {
    .header,
    .footer,
    .nav,
    .copy-btn,
    .verification-box {
        display: none !important;
    }
    
    .link-url {
        break-inside: avoid;
    }
}


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}