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

:root {
    --color-primary: #181d26;
    --color-primary-active: #0d1218;
    --color-canvas: #ffffff;
    --color-surface-soft: #f8fafc;
    --color-surface-strong: #e0e2e6;
    --color-surface-dark: #181d26;
    --color-hairline: #dddddd;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --max-width: 1280px;
}

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

body {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-body);
    background-color: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.site-header {
    height: 64px;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-logo span {
    color: var(--color-signature-coral);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.site-nav a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--color-ink);
    text-decoration: none;
}

.nav-cta {
    font-size: 16px;
    font-weight: 500;
    background: var(--color-primary);
    color: var(--color-on-primary) !important;
    padding: 10px 20px;
    border-radius: var(--rounded-lg);
    text-decoration: none !important;
}

.nav-cta:active {
    background: var(--color-primary-active);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    z-index: 99;
    padding: var(--spacing-xl);
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.mobile-nav a {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-body);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-hairline);
}

.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 720px;
    margin-bottom: var(--spacing-lg);
}

.hero-band p {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.btn-primary {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    text-decoration: none;
    color: var(--color-on-primary);
}

.btn-primary:active {
    background: var(--color-primary-active);
}

.btn-secondary {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    background: var(--color-canvas);
    color: var(--color-ink);
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    text-decoration: none;
    cursor: pointer;
}

.btn-secondary:hover {
    text-decoration: none;
    color: var(--color-ink);
}

.btn-pair {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.section {
    padding: var(--spacing-section) 0;
}

.section-title {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}

.section-title-sm {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.display-md {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
}

.on-dark {
    color: var(--color-on-primary);
}

.signature-coral-card {
    background: var(--color-signature-coral);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.signature-coral-card p {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-on-primary);
    opacity: 0.88;
    margin-bottom: var(--spacing-xl);
    max-width: 560px;
    line-height: 1.6;
}

.signature-coral-card .btn-secondary {
    background: var(--color-canvas);
    color: var(--color-ink);
}

.hero-dark-card {
    background: var(--color-surface-dark);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.hero-dark-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-dark-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
    line-height: 1.6;
}

.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl) var(--spacing-xxl);
}

.cream-callout h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.cream-callout p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.6;
    max-width: 680px;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.demo-grid-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
}

.demo-grid-card.peach {
    background: var(--color-signature-peach);
    border: none;
}

.demo-grid-card.mint {
    background: var(--color-signature-mint);
    border: none;
}

.demo-grid-card.forest {
    background: var(--color-signature-forest);
    border: none;
}

.demo-grid-card-inner {
    padding: var(--spacing-md);
}

.demo-grid-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-sm) var(--rounded-sm) 0 0;
}

.demo-grid-card-inner h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.demo-grid-card.forest .demo-grid-card-inner h3 {
    color: var(--color-on-primary);
}

.demo-grid-card-inner p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.5;
}

.demo-grid-card.forest .demo-grid-card-inner p {
    color: rgba(255,255,255,0.78);
}

.logo-strip {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-hairline);
    border-bottom: 1px solid var(--color-hairline);
}

.logo-strip p {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-muted);
    text-align: center;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
}

.logo-strip-items {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.logo-strip-items span {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.04em;
}

.cta-band-light {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 480px;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
}

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

.article-card-body {
    padding: var(--spacing-md);
}

.article-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.article-card h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.article-card h3 a {
    color: var(--color-ink);
    text-decoration: none;
}

.article-card h3 a:hover {
    color: var(--color-link);
    text-decoration: none;
}

.article-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
}

.page-hero {
    padding: 64px 0 var(--spacing-xl);
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    font-size: 18px;
    color: var(--color-body);
    max-width: 600px;
    line-height: 1.5;
}

.article-hero {
    padding: 64px 0 0;
}

.article-hero-image {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-top: var(--spacing-xl);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    padding: var(--spacing-xl) 0 var(--spacing-section);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.35;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.article-content ul, .article-content ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-xs);
}

.article-content .source-link {
    color: var(--color-link);
}

.article-sidebar {
    padding-top: var(--spacing-xl);
}

.sidebar-box {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.sidebar-box h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.sidebar-box ul {
    list-style: none;
    padding: 0;
}

.sidebar-box ul li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-hairline);
    font-size: 14px;
}

.sidebar-box ul li:last-child {
    border-bottom: none;
}

.sidebar-box ul li a {
    color: var(--color-body);
    text-decoration: none;
}

.sidebar-box ul li a:hover {
    color: var(--color-link);
    text-decoration: none;
}

.contact-form {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl);
    max-width: 560px;
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 14px;
    font-family: var(--font-main);
    padding: 12px var(--spacing-md);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    height: 44px;
    outline: none;
}

.form-group textarea {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #458fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin: var(--spacing-section) 0;
}

.about-grid img {
    border-radius: var(--rounded-md);
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.about-text p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.team-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
}

.team-card h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.team-card p {
    font-size: 14px;
    color: var(--color-muted);
}

.prose h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.35;
}

.prose h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.prose p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.prose ul {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.prose li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-xs);
}

.site-footer {
    background: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding: var(--spacing-section) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--color-muted);
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: var(--color-ink);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--color-hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    font-size: 13px;
    color: var(--color-muted);
    text-decoration: none;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-md) var(--spacing-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    z-index: 999;
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    flex: 1;
    min-width: 240px;
}

.cookie-banner p a {
    color: rgba(255,255,255,0.85);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn-cookie-accept {
    font-size: 13.12px;
    font-weight: 600;
    background: var(--color-link);
    color: var(--color-on-primary);
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}

.btn-cookie-reject {
    font-size: 13.12px;
    font-weight: 600;
    background: transparent;
    color: rgba(255,255,255,0.75);
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
}

.breadcrumb {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.breadcrumb a {
    color: var(--color-muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--color-link);
}

.updated-date {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.16px;
    margin-bottom: var(--spacing-md);
}

.disclaimer-box {
    background: var(--color-surface-soft);
    border-left: 3px solid var(--color-hairline);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
    margin: var(--spacing-lg) 0;
}

.disclaimer-box p {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .cta-band-light {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .site-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-band {
        padding: 64px 0;
    }

    .hero-band h1 {
        font-size: 28px;
    }

    .hero-band p {
        font-size: 16px;
    }

    .section {
        padding: 64px 0;
    }

    .display-md {
        font-size: 24px;
    }

    .signature-coral-card {
        padding: var(--spacing-xl);
    }

    .signature-coral-card h2 {
        font-size: 24px;
    }

    .hero-dark-card {
        padding: var(--spacing-xl);
    }

    .hero-dark-card h2 {
        font-size: 24px;
    }

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

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

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

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

    .cookie-banner {
        padding: var(--spacing-md);
    }

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

    .page-hero h1 {
        font-size: 28px;
    }
}