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

:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --surface-dark: #181d26;
    --surface-dark-elevated: #1d1f25;
    --hairline: #dddddd;
    --ink: #181d26;
    --body: #333840;
    --muted: #41454d;
    --border-strong: #9297a0;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --link-active: #1a3866;
    --info: #254fad;
    --info-border: #458fff;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --signature-yellow: #f4d35e;
    --signature-mustard: #d9a441;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-pill: 9999px;
    --rounded-full: 50%;
    --spacing-xxs: 4px;
    --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, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

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(--body);
    background-color: var(--canvas);
    -webkit-font-smoothing: antialiased;
}

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

a:active {
    color: var(--link-active);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

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

.top-nav .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.nav-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.3px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
}

.nav-links a:active {
    color: var(--ink);
}

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

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-block;
    white-space: nowrap;
    min-height: 48px;
}

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

.btn-secondary {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    display: inline-block;
    white-space: nowrap;
    min-height: 48px;
}

.btn-secondary:active {
    border-color: var(--border-strong);
    color: var(--ink);
}

.btn-secondary-on-dark {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-block;
    white-space: nowrap;
    min-height: 48px;
}

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

.hero-band .hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.hero-eyebrow {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: 0.16px;
    color: var(--muted);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.hero-title {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 700px;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    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(--ink);
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--muted);
    margin-bottom: var(--spacing-xxl);
    max-width: 640px;
}

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

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 560px;
}

.signature-coral-card p {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--on-primary);
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

.signature-forest-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 560px;
}

.signature-forest-card p {
    font-size: 14px;
    font-weight: 400;
    color: var(--on-primary);
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 640px;
}

.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
}

.cream-callout-card {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}

.cream-callout-card h3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.cream-callout-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.25;
}

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

.demo-grid-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

.demo-grid-card img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-sm);
    object-fit: cover;
}

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

.demo-grid-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.25;
}

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

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

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

.article-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-md);
}

.article-card .tag {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-xs);
}

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

.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.25;
}

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

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

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

.logo-strip .logo-item {
    font-size: 14px;
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 0.5px;
}

.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    margin: 0 var(--spacing-xxl);
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-xl);
}

.text-input {
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    padding: 12px 16px;
    height: 44px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    width: 100%;
    font-family: var(--font-main);
}

.text-input:focus {
    outline: none;
    border-color: var(--info-border);
    box-shadow: 0 0 0 2px rgba(69, 143, 255, 0.2);
}

textarea.text-input {
    height: auto;
    min-height: 100px;
    resize: vertical;
}

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

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-brand-col h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.footer-brand-col p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
    max-width: 240px;
}

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

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
}

.footer-col ul li a:active {
    color: var(--ink);
}

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

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

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

.footer-legal .legal-links a {
    font-size: 13px;
    color: var(--muted);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-md) var(--spacing-xxl);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
}

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

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    flex: 1;
    min-width: 200px;
}

.cookie-banner p a {
    color: var(--on-primary);
    text-decoration: underline;
}

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

.btn-cookie-accept {
    background: var(--on-primary);
    color: var(--ink);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    min-height: 40px;
}

.btn-cookie-accept:active {
    background: var(--surface-strong);
}

.btn-cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    min-height: 40px;
}

.btn-cookie-reject:active {
    color: var(--on-primary);
    border-color: rgba(255,255,255,0.6);
}

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

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

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

.breadcrumb span {
    margin: 0 var(--spacing-xs);
}

.article-header {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}

.article-header .tag {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-md);
}

.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: var(--spacing-lg);
}

.article-header .article-meta {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
}

.article-header .article-intro {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
    max-width: 680px;
}

.article-body {
    padding: var(--spacing-xl) 0 var(--spacing-section);
    max-width: 760px;
}

.article-body h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
}

.article-body h3 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

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

.article-body li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.article-body a {
    color: var(--link);
}

.article-body a:active {
    color: var(--link-active);
}

.article-body img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
}

.article-body .figure-caption {
    font-size: 13px;
    color: var(--muted);
    margin-top: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-xl);
}

.related-articles {
    padding: var(--spacing-section) 0;
    background: var(--surface-soft);
}

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

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

.page-header .page-subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
    max-width: 640px;
}

.page-body {
    padding: var(--spacing-section) 0;
    max-width: 760px;
}

.page-body h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
}

.page-body h3 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.page-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.page-body ul, .page-body ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-body li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.page-body a {
    color: var(--link);
}

.page-body a:active {
    color: var(--link-active);
}

.contact-form {
    max-width: 480px;
}

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

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

.form-submit {
    margin-top: var(--spacing-xl);
}

.disclaimer-box {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--hairline);
    margin: var(--spacing-xl) 0;
}

.disclaimer-box p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

@media (max-width: 1023px) {
    .demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    .top-nav .nav-inner {
        padding: 0 var(--spacing-md);
    }
    .nav-links {
        display: none;
    }
    .hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--spacing-xs);
    }
    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--ink);
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--canvas);
        z-index: 99;
        padding: var(--spacing-xl) var(--spacing-md);
        overflow-y: auto;
    }
    .mobile-menu.open {
        display: block;
    }
    .mobile-menu ul {
        list-style: none;
    }
    .mobile-menu ul li {
        border-bottom: 1px solid var(--hairline);
    }
    .mobile-menu ul li a {
        display: block;
        padding: var(--spacing-md) 0;
        font-size: 18px;
        color: var(--ink);
    }
    .hero-band .hero-inner {
        padding: 0 var(--spacing-md);
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    .section {
        padding: var(--spacing-xxl) 0;
    }
    .demo-grid {
        grid-template-columns: 1fr;
    }
    .article-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .signature-coral-card,
    .signature-forest-card,
    .hero-card-dark {
        padding: var(--spacing-xl);
    }
    .signature-coral-card h2,
    .signature-forest-card h2,
    .hero-card-dark h2 {
        font-size: 24px;
    }
    .cta-band-light {
        margin: 0 var(--spacing-md);
        padding: var(--spacing-xl);
    }
    .cta-band-light h2 {
        font-size: 24px;
    }
    .footer-inner {
        padding: 0 var(--spacing-md);
    }
    .footer-legal {
        flex-direction: column;
        align-items: flex-start;
    }
    .cookie-banner {
        padding: var(--spacing-md);
    }
    .article-header h1 {
        font-size: 28px;
    }
    .article-header .article-intro {
        font-size: 16px;
    }
    .page-header h1 {
        font-size: 28px;
    }
    .logo-strip .logos {
        gap: var(--spacing-xl);
    }
    .hamburger {
        display: flex;
    }
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    .nav-actions .btn-primary {
        display: inline-block;
    }
}