@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;500&display=swap');

*,
*::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-surface-dark-elevated: #1d1f25;
    --color-hairline: #dddddd;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-link-active: #1a3866;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --color-signature-yellow: #f4d35e;
    --color-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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Inter Display', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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(--color-body);
    background: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
    list-style: none;
}

address {
    font-style: normal;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--spacing-xxl);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-logo {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

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

.site-nav a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    white-space: nowrap;
    transition: color 0.15s;
}

.site-nav a[aria-current="page"] {
    color: var(--color-ink);
    font-weight: 500;
}

.nav-burger {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--color-ink);
    padding: var(--spacing-xs);
}

.nav-sheet {
    position: fixed;
    inset: 0;
    background: var(--color-canvas);
    z-index: 200;
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.nav-sheet[hidden] {
    display: none;
}

.nav-sheet ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-sheet a {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
}

.nav-sheet-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-muted);
}

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

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

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

.btn-legal {
    display: inline-block;
    background: var(--color-link);
    color: var(--color-on-primary);
    font-family: var(--font-main);
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}

.btn-legal-outline {
    background: transparent;
    color: var(--color-body);
    border: 1px solid var(--color-hairline);
}

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

.hero-band h1 {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 640px;
    margin-bottom: var(--spacing-lg);
}

.hero-band p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-body);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

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

.section-band--soft {
    background: var(--color-surface-soft);
}

.section-band--cream {
    background: var(--color-signature-cream);
}

.section-band--dark {
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
}

.section-band--dark h2,
.section-band--dark h3,
.section-band--dark p {
    color: var(--color-on-primary);
}

.section-band--strong {
    background: var(--color-surface-strong);
}

.section-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-body);
    max-width: 600px;
    margin-bottom: var(--spacing-xxl);
}

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

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

.signature-coral-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-on-primary);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

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

.signature-forest-card h2,
.signature-forest-card h3,
.signature-forest-card p {
    color: var(--color-on-primary);
}

.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);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
    display: flex;
    flex-direction: column;
}

.article-card__thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-surface-soft);
}

.article-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-card__body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card__tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xs);
}

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

.article-card__title a {
    color: inherit;
}

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

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

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

.demo-card--peach { background: var(--color-signature-peach); }
.demo-card--mint  { background: var(--color-signature-mint);  }
.demo-card--cream { background: var(--color-signature-cream); }
.demo-card--mustard { background: var(--color-signature-mustard); }
.demo-card--yellow { background: var(--color-signature-yellow); }

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

.demo-card p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-body);
}

.demo-card img {
    width: 100%;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-sm);
    aspect-ratio: 4/3;
    object-fit: cover;
}

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

.cta-band-light h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.cta-band-light p {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
    margin-inline: auto;
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
    max-width: 520px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink);
}

.form-field input,
.form-field textarea {
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--color-ink);
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    height: 44px;
    outline: none;
}

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

.form-field textarea {
    height: auto;
    min-height: 100px;
    resize: vertical;
}

.article-hero {
    background: var(--color-surface-dark-elevated, #1d1f25);
    padding-block: var(--spacing-section);
    position: relative;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        #aa2d00 0%  6%,
        #0a2e0e 6%  12%,
        #f5e9d4 12% 18%,
        #1d1f25 18% 100%
    );
    opacity: 0.18;
}

.article-hero .container {
    position: relative;
    z-index: 1;
}

.article-hero h1 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-on-primary);
    max-width: 680px;
    margin-bottom: var(--spacing-lg);
}

.article-hero .hero-meta {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.article-body {
    padding-block: var(--spacing-section);
}

.article-content {
    max-width: 720px;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-ink);
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
}

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

.article-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.article-content figure {
    margin-block: var(--spacing-xl);
}

.article-content figure img {
    border-radius: var(--rounded-md);
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: var(--spacing-xs);
}

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

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

.related-articles h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}

.page-body {
    padding-block: var(--spacing-section);
}

.page-content {
    max-width: 720px;
}

.page-content h1 {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}

.page-content h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
}

.page-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.page-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

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

.page-content li {
    list-style: disc;
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-xs);
}

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

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

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

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

.footer-tagline {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 260px;
}

.footer-address {
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-muted);
}

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

.footer-col-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.footer-legal {
    border-top: 1px solid var(--color-hairline);
    padding-block: var(--spacing-lg);
}

.footer-legal-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

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

.cookie-banner {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    max-width: 640px;
    width: calc(100% - var(--spacing-xxl));
    z-index: 300;
    box-shadow: 0 8px 32px rgba(0,0,0,0.28);
    display: none;
}

.cookie-banner.is-visible {
    display: block;
}

.cookie-inner p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-md);
}

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

.disclaimer-band {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

@media (max-width: 1024px) {
    .article-grid,
    .demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .site-nav ul {
        display: none;
    }

    .nav-burger {
        display: block;
    }

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

    .article-hero h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 24px;
    }

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

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

    .footer-legal-inner {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .cta-band-light h2 {
        font-size: 24px;
    }
}