@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
    --void-black: #0f0f0f;
    --pure-black: #000000;
    --charcoal: #2c2c2c;
    --composio-cobalt: #0007cd;
    --electric-cyan: #00ffff;
    --signal-blue: #0089ff;
    --ocean-blue: #0096ff;
    --pure-white: #ffffff;
    --ghost-white: rgba(255,255,255,0.6);
    --whisper-white: rgba(255,255,255,0.5);
    --phantom-white: rgba(255,255,255,0.2);
    --border-mist-12: rgba(255,255,255,0.12);
    --border-mist-10: rgba(255,255,255,0.10);
    --border-mist-08: rgba(255,255,255,0.08);
    --border-mist-06: rgba(255,255,255,0.06);
    --border-mist-04: rgba(255,255,255,0.04);
    --cyan-glow-bg: rgba(0,255,255,0.12);
    --font-sans: 'abcDiatype', 'abcDiatype Fallback', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'JetBrains Mono Fallback', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--void-black);
    color: var(--pure-white);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--signal-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--electric-cyan);
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(15,15,15,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-mist-06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.site-logo {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--pure-white);
    letter-spacing: -0.32px;
    text-decoration: none;
}

.site-logo:hover {
    color: var(--electric-cyan);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.site-nav a {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    font-family: var(--font-sans);
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--pure-white);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--pure-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hero {
    padding: 96px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(0,7,205,0.08) 0%, transparent 60%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(0,255,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-overline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--electric-cyan);
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    line-height: 0.87;
    color: var(--pure-white);
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--ghost-white);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: 0.3px;
}

.section {
    padding: 80px 24px;
}

.section-header {
    margin-bottom: 48px;
}

.section-overline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--electric-cyan);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 3rem);
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--ghost-white);
    max-width: 600px;
    line-height: 1.5;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-10);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    box-shadow: rgba(0,0,0,0.15) 4px 4px 0px 0px;
}

.article-card:hover {
    border-color: var(--border-mist-12);
    box-shadow: rgba(0,255,255,0.06) 0px 8px 32px, rgba(0,0,0,0.15) 4px 4px 0px 0px;
}

.article-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.article-card-body {
    padding: 24px;
}

.article-card-tag {
    font-family: var(--font-mono);
    font-size: 0.69rem;
    font-weight: 400;
    letter-spacing: 0.55px;
    text-transform: uppercase;
    color: var(--electric-cyan);
    margin-bottom: 10px;
}

.article-card-title {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--pure-white);
    margin-bottom: 12px;
}

.article-card-excerpt {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 20px;
}

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

.article-card-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: -0.28px;
}

.article-card-link {
    font-size: 0.875rem;
    color: var(--signal-blue);
    font-weight: 500;
    transition: color 0.2s ease;
}

.article-card-link:hover {
    color: var(--electric-cyan);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tip-card {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-08);
    border-radius: 4px;
    padding: 28px;
    transition: border-color 0.2s ease;
}

.tip-card:hover {
    border-color: var(--border-mist-12);
}

.tip-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 400;
    color: rgba(0,255,255,0.3);
    letter-spacing: -0.32px;
    margin-bottom: 12px;
    line-height: 1;
}

.tip-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--pure-white);
    margin-bottom: 10px;
    line-height: 1.2;
}

.tip-text {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
}

.stats-bar {
    background: var(--pure-black);
    border-top: 1px solid var(--border-mist-08);
    border-bottom: 1px solid var(--border-mist-08);
    padding: 40px 24px;
}

.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 400;
    color: var(--pure-white);
    letter-spacing: -0.32px;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--ghost-white);
    font-weight: 500;
}

.section-divider {
    height: 1px;
    background: var(--border-mist-06);
    margin: 0;
}

.contact-section {
    background: linear-gradient(180deg, transparent, rgba(0,7,205,0.05));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--pure-white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-info p {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 24px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-detail-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.contact-detail-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--electric-cyan);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    min-width: 60px;
    padding-top: 2px;
}

.contact-detail-value {
    font-size: 0.9375rem;
    color: var(--ghost-white);
}

.contact-detail-value a {
    color: var(--ghost-white);
}

.contact-detail-value a:hover {
    color: var(--pure-white);
}

.contact-form {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-10);
    border-radius: 4px;
    padding: 32px;
}

.form-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--pure-white);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ghost-white);
    margin-bottom: 6px;
    font-family: var(--font-mono);
    letter-spacing: -0.28px;
}

.form-input {
    width: 100%;
    background: var(--void-black);
    border: 1px solid var(--border-mist-10);
    border-radius: 4px;
    padding: 10px 14px;
    font-size: 0.9375rem;
    color: var(--pure-white);
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input::placeholder {
    color: var(--whisper-white);
}

.form-input:focus {
    border-color: var(--signal-blue);
}

.form-submit {
    width: 100%;
    background: var(--pure-white);
    color: rgba(0,0,0,0.87);
    border: none;
    border-radius: 4px;
    padding: 10px 24px;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.2s ease;
}

.form-submit:hover {
    opacity: 0.9;
}

.form-success {
    display: none;
    background: rgba(0,255,255,0.08);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 4px;
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--electric-cyan);
    margin-top: 12px;
}

.site-footer {
    background: var(--pure-black);
    border-top: 1px solid var(--border-mist-08);
    padding: 48px 24px 24px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand .site-logo {
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--ghost-white);
    line-height: 1.6;
    max-width: 280px;
}

.footer-nav-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.footer-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav-links li a {
    font-size: 0.875rem;
    color: var(--ghost-white);
    transition: color 0.2s ease;
}

.footer-nav-links li a:hover {
    color: var(--pure-white);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border-mist-06);
}

.footer-copyright {
    font-size: 0.8125rem;
    color: var(--whisper-white);
    font-family: var(--font-mono);
    letter-spacing: -0.28px;
}

.footer-legal-links {
    display: flex;
    gap: 24px;
}

.footer-legal-links a {
    font-size: 0.8125rem;
    color: var(--whisper-white);
    transition: color 0.2s ease;
}

.footer-legal-links a:hover {
    color: var(--ghost-white);
}

.article-hero {
    padding: 72px 24px 56px;
    border-bottom: 1px solid var(--border-mist-06);
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: -0.28px;
}

.article-breadcrumb a {
    color: var(--whisper-white);
    transition: color 0.2s ease;
}

.article-breadcrumb a:hover {
    color: var(--ghost-white);
}

.article-breadcrumb span {
    color: var(--border-mist-12);
}

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.article-tag {
    font-family: var(--font-mono);
    font-size: 0.69rem;
    font-weight: 400;
    letter-spacing: 0.55px;
    text-transform: uppercase;
    color: var(--electric-cyan);
    background: rgba(0,255,255,0.08);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 2px;
    padding: 2px 8px;
}

.article-read-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: -0.28px;
}

.article-hero-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin-bottom: 20px;
    max-width: 860px;
}

.article-hero-description {
    font-size: 1.125rem;
    color: var(--ghost-white);
    max-width: 680px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-meta-bottom {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: -0.28px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    padding: 56px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.article-content {
    min-width: 0;
}

.article-content .featured-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-mist-10);
    margin-bottom: 40px;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin: 40px 0 16px;
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--pure-white);
    margin: 28px 0 12px;
}

.article-content p {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px 20px;
}

.article-content li {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 8px;
}

.article-content strong {
    color: var(--pure-white);
    font-weight: 500;
}

.article-content a {
    color: var(--signal-blue);
    border-bottom: 1px solid rgba(0,137,255,0.3);
    transition: border-color 0.2s ease;
}

.article-content a:hover {
    border-color: var(--signal-blue);
}

.article-content blockquote {
    border-left: 2px solid var(--signal-blue);
    padding: 12px 0 12px 20px;
    margin: 28px 0;
    background: rgba(0,137,255,0.04);
    border-radius: 0 4px 4px 0;
}

.article-content blockquote p {
    color: var(--ghost-white);
    font-style: italic;
    margin: 0;
}

.info-box {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-10);
    border-left: 2px solid var(--electric-cyan);
    border-radius: 0 4px 4px 0;
    padding: 20px 24px;
    margin: 28px 0;
}

.info-box-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--electric-cyan);
    margin-bottom: 10px;
}

.info-box p {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin: 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 0.875rem;
}

.comparison-table th {
    background: var(--pure-black);
    color: var(--pure-white);
    font-weight: 500;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--border-mist-12);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.comparison-table td {
    padding: 12px 16px;
    color: var(--ghost-white);
    border-bottom: 1px solid var(--border-mist-06);
}

.comparison-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.article-sidebar {
    position: sticky;
    top: 88px;
}

.sidebar-widget {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-10);
    border-radius: 4px;
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-widget-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toc-list li a {
    font-size: 0.875rem;
    color: var(--ghost-white);
    transition: color 0.2s ease;
    display: block;
    padding: 2px 0;
    border-bottom: none;
}

.toc-list li a:hover {
    color: var(--pure-white);
}

.toc-list li a.active {
    color: var(--signal-blue);
}

.related-articles {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.related-article-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.related-article-image {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

.related-article-title {
    font-size: 0.875rem;
    color: var(--ghost-white);
    line-height: 1.4;
    transition: color 0.2s ease;
}

.related-article-title:hover {
    color: var(--pure-white);
}

.related-article-date {
    font-family: var(--font-mono);
    font-size: 0.69rem;
    color: var(--whisper-white);
    margin-top: 4px;
    letter-spacing: -0.28px;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 72px 24px 96px;
}

.page-content h1 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.page-content .page-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--whisper-white);
    letter-spacing: -0.28px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-mist-08);
}

.page-content h2 {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--pure-white);
    margin: 36px 0 12px;
}

.page-content h3 {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--pure-white);
    margin: 24px 0 10px;
}

.page-content p {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 18px;
}

.page-content ul,
.page-content ol {
    margin: 0 0 18px 20px;
}

.page-content li {
    font-size: 0.9375rem;
    color: var(--ghost-white);
    line-height: 1.63;
    margin-bottom: 8px;
}

.page-content a {
    color: var(--signal-blue);
}

.page-content a:hover {
    color: var(--electric-cyan);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.96);
    border-top: 1px solid var(--border-mist-10);
    backdrop-filter: blur(12px);
    padding: 16px 24px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text {
    font-size: 0.875rem;
    color: var(--ghost-white);
    flex: 1;
    min-width: 200px;
    line-height: 1.5;
}

.cookie-text a {
    color: var(--signal-blue);
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-accept {
    background: var(--pure-white);
    color: rgba(0,0,0,0.87);
    border: none;
    border-radius: 4px;
    padding: 8px 20px;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.cookie-accept:hover {
    opacity: 0.9;
}

.cookie-reject {
    background: transparent;
    color: var(--ghost-white);
    border: 1px solid var(--charcoal);
    border-radius: 4px;
    padding: 8px 20px;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.cookie-reject:hover {
    border-color: var(--ghost-white);
    color: var(--pure-white);
}

@media (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.0;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .tips-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15,15,15,0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-mist-08);
        gap: 16px;
    }
    .site-nav.open {
        display: flex;
    }
    .nav-hamburger {
        display: flex;
    }
    .header-inner {
        position: relative;
    }
    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .comparison-table {
        font-size: 0.8125rem;
    }
    .article-content .featured-image {
        height: 240px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 56px 20px;
    }
    .hero {
        padding: 64px 20px 56px;
    }
    .hero-title {
        font-size: 2rem;
    }
    .stats-inner {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
}