*, *::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-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", sans-serif;
    --max-width: 1280px;
}

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

body {
    font-family: var(--font-family);
    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:hover { text-decoration: underline; }

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

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

@media (max-width: 767px) {
    .container { padding: 0 var(--spacing-md); }
}

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

.top-nav .container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--spacing-lg);
}

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-logo:hover { text-decoration: none; }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    flex: 1;
}

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.15s;
}

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

.btn-secondary {
    background: var(--color-canvas);
    color: var(--color-ink);
    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;
    text-decoration: none;
    display: inline-block;
}

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

/* HAMBURGER */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-left: auto;
    flex-direction: column;
    gap: 5px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    z-index: 99;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.mobile-menu.open { display: block; }

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.mobile-menu ul a {
    font-size: 18px;
    color: var(--color-ink);
    text-decoration: none;
}

@media (max-width: 767px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .nav-hamburger { display: flex; }
}

/* HERO BAND */
.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: 680px;
    margin-bottom: var(--spacing-lg);
}

.hero-band .sub-headline {
    font-size: 14px;
    color: var(--color-body);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero-band .btn-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

@media (max-width: 767px) {
    .hero-band h1 { font-size: 28px; }
    .hero-band { padding: 60px 0; }
}

/* SIGNATURE CORAL CARD */
.signature-coral-card {
    background: var(--color-signature-coral);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: 0 var(--spacing-xxl);
}

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.signature-coral-card p {
    font-size: 14px;
    line-height: 1.5;
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}

.btn-secondary-on-dark {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary-on-dark:hover { text-decoration: none; color: var(--color-ink); opacity: 0.9; }

@media (max-width: 767px) {
    .signature-coral-card { margin: 0 var(--spacing-md); padding: var(--spacing-xl); }
    .signature-coral-card h2 { font-size: 24px; }
}

/* SIGNATURE FOREST CARD */
.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 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.signature-forest-card p {
    font-size: 14px;
    line-height: 1.5;
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}

/* SECTION GENERAL */
.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-intro {
    font-size: 14px;
    color: var(--color-body);
    max-width: 640px;
    margin-bottom: var(--spacing-xxl);
    line-height: 1.5;
}

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

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

@media (max-width: 767px) {
    .article-grid { grid-template-columns: 1fr; }
}

.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    text-decoration: none;
    display: block;
    transition: border-color 0.15s;
}

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

.article-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

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

.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
    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-meta {
    font-size: 13px;
    color: var(--color-muted);
}

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

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

@media (max-width: 767px) {
    .demo-grid { grid-template-columns: 1fr; }
}

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

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

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

/* CREAM CALLOUT */
.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-section) 0;
}

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

.cream-callout p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.5;
    max-width: 640px;
}

/* DARK HERO CARD */
.hero-card-dark {
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}

.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-card-dark p {
    font-size: 14px;
    line-height: 1.5;
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}

/* CTA BAND LIGHT */
.cta-band-light {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    margin: var(--spacing-section) 0 0;
}

.cta-band-light h2 {
    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: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* CONTACT FORM */
.contact-form {
    max-width: 560px;
}

.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 {
    width: 100%;
    height: 44px;
    padding: 12px 16px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    font-size: 14px;
    color: var(--color-ink);
    background: var(--color-canvas);
    font-family: var(--font-family);
    outline: none;
}

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

/* ARTICLE PAGE */
.article-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--color-canvas);
}

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

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

.article-hero .breadcrumb a:hover { text-decoration: underline; }

.article-hero h1 {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-ink);
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
}

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

.article-hero .article-hero-img {
    width: 100%;
    border-radius: var(--rounded-md);
    max-height: 480px;
    object-fit: cover;
}

@media (max-width: 767px) {
    .article-hero h1 { font-size: 28px; }
}

.article-content {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0 var(--spacing-section);
}

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

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

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

.article-content ul, .article-content ol {
    margin: var(--spacing-md) 0 var(--spacing-md) var(--spacing-xl);
}

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

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

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

.article-content .source-note {
    font-size: 12px;
    color: var(--color-muted);
    margin-top: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-xl);
}

/* INNER PAGE */
.inner-hero {
    padding: var(--spacing-section) 0 var(--spacing-xxl);
    background: var(--color-canvas);
}

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

.inner-hero p {
    font-size: 14px;
    color: var(--color-body);
    max-width: 640px;
    line-height: 1.5;
}

.inner-content {
    max-width: 800px;
    padding-bottom: var(--spacing-section);
}

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

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

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

.inner-content ul, .inner-content ol {
    margin: var(--spacing-md) 0 var(--spacing-md) var(--spacing-xl);
}

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

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

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

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

@media (max-width: 767px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.5;
    margin-top: var(--spacing-sm);
    max-width: 300px;
}

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

.footer-col ul 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;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.footer-legal-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

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

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

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
}

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

.cookie-banner p {
    font-size: 14px;
    line-height: 1.5;
    max-width: 640px;
}

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

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

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

.btn-legal-reject {
    background: transparent;
    color: var(--color-on-primary);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.4);
    cursor: pointer;
    white-space: nowrap;
}

@media (max-width: 767px) {
    .cookie-banner { padding: var(--spacing-md); flex-direction: column; align-items: flex-start; }
}

/* SCHEMA / VISUALLY HIDDEN */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* SECTION SPACING HELPERS */
.mt-section { margin-top: var(--spacing-section); }
.mb-section { margin-bottom: var(--spacing-section); }