@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;
    --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);
    --composio-cobalt: #0007cd;
    --electric-cyan: #00ffff;
    --signal-blue: #0089ff;
    --ocean-blue: #0096ff;
    --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);
    --muted-smoke: #444444;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--void-black);
    color: var(--pure-white);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

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

/* NAV */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--void-black);
    border-bottom: 1px solid var(--border-mist-06);
    padding: 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 500;
    color: var(--pure-white);
    letter-spacing: -0.32px;
}

.nav-logo span {
    color: var(--electric-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    color: var(--ghost-white);
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--pure-white);
    color: #111 !important;
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-cta:hover {
    opacity: 0.85;
    color: #111 !important;
}

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

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

.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--pure-black);
    border-top: 1px solid var(--border-mist-08);
    padding: 16px 24px 20px;
    gap: 16px;
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile a {
    font-size: 15px;
    color: var(--ghost-white);
    padding: 6px 0;
    border-bottom: 1px solid var(--border-mist-04);
}

.nav-mobile a:last-child {
    border-bottom: none;
}

/* HERO */
.hero {
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0,255,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 400;
    color: var(--electric-cyan);
    letter-spacing: 0.7px;
    text-transform: uppercase;
    border: 1px solid rgba(0,255,255,0.2);
    padding: 4px 12px;
    border-radius: 2px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 400;
    line-height: 0.92;
    color: var(--pure-white);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 18px;
    color: var(--ghost-white);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--whisper-white);
    letter-spacing: 0.3px;
}

/* SECTION HEADINGS */
.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 400;
    color: var(--ghost-white);
    letter-spacing: 0.7px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 3.5vw, 48px);
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--ghost-white);
    line-height: 1.6;
    max-width: 560px;
}

/* ARTICLES GRID */
.articles-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-mist-08);
}

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

.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, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    border-color: var(--border-mist-12);
    box-shadow: rgba(0,0,0,0.5) 0px 8px 32px;
}

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

.article-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 400;
    color: var(--electric-cyan);
    letter-spacing: 0.55px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.article-card-title {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.2;
    color: var(--pure-white);
    margin-bottom: 12px;
}

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

.article-card-excerpt {
    font-size: 14px;
    color: var(--ghost-white);
    line-height: 1.63;
    flex: 1;
    margin-bottom: 20px;
}

.article-card-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--whisper-white);
    letter-spacing: 0.3px;
    border-top: 1px solid var(--border-mist-06);
    padding-top: 16px;
}

/* FEATURED ARTICLE */
.featured-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-mist-08);
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.featured-image-wrap {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-mist-10);
}

.featured-image-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0,255,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.featured-image-wrap img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}

.featured-content .section-label {
    margin-bottom: 16px;
}

.featured-content h2 {
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 400;
    line-height: 1.0;
    color: var(--pure-white);
    margin-bottom: 16px;
}

.featured-content p {
    font-size: 16px;
    color: var(--ghost-white);
    line-height: 1.6;
    margin-bottom: 28px;
}

.btn-cyan {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,255,255,0.12);
    border: 1px solid var(--ocean-blue);
    color: var(--pure-white);
    padding: 10px 22px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s;
}

.btn-cyan:hover {
    background: rgba(0,255,255,0.18);
    border-color: var(--electric-cyan);
    color: var(--pure-white);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--charcoal);
    color: var(--ghost-white);
    padding: 10px 22px;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
    border-color: var(--border-mist-12);
    color: var(--pure-white);
}

/* QUICK FACTS */
.facts-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-mist-08);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border-mist-08);
    border: 1px solid var(--border-mist-08);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 48px;
}

.fact-item {
    background: var(--pure-black);
    padding: 32px 24px;
}

.fact-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 40px;
    font-weight: 400;
    color: var(--pure-white);
    line-height: 1.0;
    letter-spacing: -0.32px;
    margin-bottom: 8px;
}

.fact-number span {
    color: var(--electric-cyan);
}

.fact-label {
    font-size: 14px;
    color: var(--ghost-white);
    line-height: 1.4;
}

/* CONTACT FORM */
.contact-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-mist-08);
}

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

.contact-info h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 400;
    line-height: 1.0;
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 15px;
    color: var(--ghost-white);
    line-height: 1.6;
    margin-bottom: 32px;
}

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

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--ghost-white);
}

.contact-detail-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--electric-cyan);
    letter-spacing: 0.55px;
    text-transform: uppercase;
    min-width: 48px;
    padding-top: 1px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--ghost-white);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

.form-input {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-mist-10);
    border-radius: 4px;
    color: var(--pure-white);
    font-size: 15px;
    padding: 10px 14px;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

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

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

.btn-primary {
    width: 100%;
    background: var(--pure-white);
    color: #111;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: inherit;
}

.btn-primary:hover {
    opacity: 0.88;
}

.form-success {
    display: none;
    text-align: center;
    padding: 20px 0;
    font-size: 15px;
    color: var(--electric-cyan);
    font-family: 'JetBrains Mono', monospace;
}

/* FOOTER */
.site-footer {
    border-top: 1px solid var(--border-mist-08);
    padding: 48px 0 32px;
    margin-top: 40px;
}

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

.footer-brand p {
    font-size: 14px;
    color: var(--ghost-white);
    line-height: 1.6;
    margin-top: 12px;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 500;
    color: var(--pure-white);
    letter-spacing: 0.3px;
    margin-bottom: 16px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: var(--ghost-white);
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-mist-06);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copy {
    font-size: 13px;
    color: var(--whisper-white);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    font-size: 13px;
    color: var(--whisper-white);
    transition: color 0.2s;
}

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

/* ARTICLE PAGE */
.article-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--border-mist-08);
}

.article-breadcrumb {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--whisper-white);
    margin-bottom: 20px;
    letter-spacing: 0.3px;
}

.article-breadcrumb a {
    color: var(--signal-blue);
    transition: color 0.2s;
}

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

.article-hero h1 {
    font-size: clamp(28px, 4vw, 52px);
    font-weight: 400;
    line-height: 0.95;
    color: var(--pure-white);
    margin-bottom: 20px;
    max-width: 800px;
}

.article-hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.meta-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--electric-cyan);
    letter-spacing: 0.55px;
    text-transform: uppercase;
    border: 1px solid rgba(0,255,255,0.2);
    padding: 3px 8px;
    border-radius: 2px;
}

.meta-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--whisper-white);
    letter-spacing: 0.3px;
}

.article-layout {
    padding: 64px 0 80px;
}

.article-content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
}

.article-featured-img {
    width: 100%;
    border-radius: 4px;
    border: 1px solid var(--border-mist-10);
    margin-bottom: 40px;
    max-height: 420px;
    object-fit: cover;
}

.article-body h2 {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 400;
    line-height: 1.2;
    color: var(--pure-white);
    margin: 40px 0 16px;
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.2;
    color: var(--pure-white);
    margin: 28px 0 12px;
}

.article-body p {
    font-size: 16px;
    color: var(--ghost-white);
    line-height: 1.7;
    margin-bottom: 20px;
}

.article-body ul, .article-body ol {
    padding-left: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.article-body li {
    font-size: 15px;
    color: var(--ghost-white);
    line-height: 1.6;
}

.article-body a {
    color: var(--signal-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

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

.info-box {
    background: var(--pure-black);
    border: 1px solid var(--border-mist-10);
    border-left: 3px solid var(--electric-cyan);
    border-radius: 4px;
    padding: 20px 24px;
    margin: 28px 0;
}

.info-box p {
    margin-bottom: 0;
    font-size: 14px;
}

.info-box-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--electric-cyan);
    letter-spacing: 0.55px;
    text-transform: uppercase;
    margin-bottom: 8px !important;
}

.article-body figure {
    margin: 32px 0;
}

.article-body figure img {
    width: 100%;
    border-radius: 4px;
    border: 1px solid var(--border-mist-10);
}

.article-body figcaption {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--whisper-white);
    margin-top: 8px;
    letter-spacing: 0.3px;
}

/* SIDEBAR */
.sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.sidebar-card h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--pure-white);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-mist-06);
}

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

.sidebar-links li a {
    font-size: 14px;
    color: var(--ghost-white);
    line-height: 1.4;
    transition: color 0.2s;
}

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

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

.toc-list li {
    counter-increment: toc;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.toc-list li::before {
    content: counter(toc, decimal-leading-zero);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--electric-cyan);
    min-width: 20px;
    padding-top: 2px;
}

.toc-list li a {
    font-size: 13px;
    color: var(--ghost-white);
    line-height: 1.4;
    transition: color 0.2s;
}

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

/* ABOUT PAGE */
.page-hero {
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--border-mist-08);
}

.page-hero h1 {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 400;
    line-height: 0.95;
    margin-bottom: 20px;
}

.page-hero p {
    font-size: 18px;
    color: var(--ghost-white);
    line-height: 1.6;
    max-width: 600px;
}

.page-content {
    padding: 64px 0 80px;
}

.page-body h2 {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 400;
    line-height: 1.0;
    margin: 48px 0 16px;
    color: var(--pure-white);
}

.page-body h2:first-child {
    margin-top: 0;
}

.page-body h3 {
    font-size: 20px;
    font-weight: 500;
    margin: 28px 0 12px;
    color: var(--pure-white);
}

.page-body p {
    font-size: 16px;
    color: var(--ghost-white);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 720px;
}

.page-body ul, .page-body ol {
    padding-left: 20px;
    margin-bottom: 20px;
    max-width: 720px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-body li {
    font-size: 15px;
    color: var(--ghost-white);
    line-height: 1.6;
}

.page-body a {
    color: var(--signal-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: var(--pure-black);
    border: 1px solid var(--border-mist-12);
    border-radius: 4px;
    padding: 20px 28px;
    max-width: 640px;
    width: calc(100% - 48px);
    box-shadow: rgba(0,0,0,0.5) 0px 8px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-text {
    flex: 1;
    font-size: 13px;
    color: var(--ghost-white);
    line-height: 1.5;
    min-width: 200px;
}

.cookie-text a {
    color: var(--signal-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-accept {
    background: var(--pure-white);
    color: #111;
    border: none;
    padding: 8px 18px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: inherit;
}

.cookie-accept:hover {
    opacity: 0.85;
}

.cookie-reject {
    background: transparent;
    color: var(--ghost-white);
    border: 1px solid var(--charcoal);
    padding: 8px 18px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    font-family: inherit;
}

.cookie-reject:hover {
    border-color: var(--border-mist-12);
    color: var(--pure-white);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: 1fr 1fr;
    }

    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .article-content-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero {
        padding: 64px 0 56px;
    }

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

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .article-content-grid {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }

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