:root {
    --color-primary: #181d26;
    --color-primary-active: #0d1218;
    --color-canvas: #ffffff;
    --color-surface-soft: #f8fafc;
    --color-surface-strong: #e0e2e6;
    --color-surface-dark: #181d26;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-hairline: #dddddd;
    --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;
    --color-signature-yellow: #f4d35e;
    --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-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

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

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

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

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

a:hover {
    text-decoration: underline;
}

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

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

/* 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 {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    letter-spacing: -0.3px;
}

.nav-brand:hover {
    text-decoration: none;
    color: var(--color-primary);
}

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

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

.nav-links a:hover {
    text-decoration: underline;
}

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

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

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    transition: all 0.2s;
}

/* BUTTONS */
.btn-primary {
    display: inline-block;
    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;
    transition: background 0.15s;
}

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

.btn-secondary {
    display: inline-block;
    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;
    transition: border-color 0.15s;
}

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

.btn-secondary-on-dark {
    display: inline-block;
    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;
}

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

/* 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);
    margin-bottom: var(--spacing-lg);
    max-width: 680px;
}

.hero-band .hero-sub {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

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

.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;
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
    opacity: 0.9;
    line-height: 1.6;
}

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

.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;
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
    opacity: 0.9;
    line-height: 1.6;
}

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

.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;
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
    opacity: 0.85;
    line-height: 1.6;
}

/* SECTION BANDS */
.section-band {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}

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

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

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

/* TYPOGRAPHY SECTION TITLES */
.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-subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

/* DEMO GRID */
.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);
    padding: var(--spacing-md);
    border: 1px solid var(--color-hairline);
}

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

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

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

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

/* ARTICLE CARDS */
.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);
    padding: var(--spacing-md);
    border: 1px solid var(--color-hairline);
}

.article-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-md);
}

.article-card .tag {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xs);
}

.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 {
    text-decoration: underline;
}

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

/* CREAM CALLOUT */
.cream-callout-card {
    background: var(--color-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(--color-ink);
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* LOGO STRIP */
.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;
    color: var(--color-muted);
    text-align: center;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

/* FOOTER */
.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-xxl);
}

.footer-brand .footer-logo {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
    display: block;
    text-decoration: none;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    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 a {
    font-size: 14px;
    color: var(--color-muted);
    text-decoration: none;
}

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

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

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

/* TEXT INPUT / FORM */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
}

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

.text-input:focus {
    outline: none;
    border-color: #458fff;
    box-shadow: 0 0 0 2px rgba(69, 143, 255, 0.2);
}

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

.contact-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-sm);
}

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

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

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

.article-hero img {
    width: 100%;
    border-radius: var(--rounded-md);
    aspect-ratio: 16/9;
    object-fit: cover;
}

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

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

.article-body h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.5;
}

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

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

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

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

.article-body blockquote {
    border-left: 3px solid var(--color-signature-coral);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-size: 16px;
    font-style: italic;
    color: var(--color-ink);
    line-height: 1.6;
}

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

/* BREADCRUMB */
.breadcrumb {
    font-size: 14px;
    color: var(--color-muted);
    padding: var(--spacing-md) 0;
}

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

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

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

/* PAGE HEADER */
.page-header {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--color-hairline);
    margin-bottom: var(--spacing-xxl);
}

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

.page-header p {
    font-size: 14px;
    color: var(--color-muted);
    max-width: 560px;
    line-height: 1.6;
}

/* 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);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    z-index: 999;
    border-top: 1px solid rgba(255,255,255,0.08);
}

#cookie-banner p {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.9;
    max-width: 680px;
}

#cookie-banner p a {
    color: #8bb4f5;
}

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

.btn-legal {
    display: inline-block;
    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;
    text-decoration: none;
}

.btn-legal-reject {
    display: inline-block;
    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(255,255,255,0.3);
    cursor: pointer;
    text-decoration: none;
}

/* ABOUT PAGE */
.content-page {
    padding: var(--spacing-section) 0;
}

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

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

.content-page p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
    max-width: 720px;
}

.content-page ul,
.content-page ol {
    margin: 0 0 var(--spacing-md) var(--spacing-lg);
    max-width: 720px;
}

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

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

@media (max-width: 768px) {
    :root {
        --spacing-section: 64px;
        --spacing-xxl: 32px;
    }

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

    .nav-links,
    .nav-right { display: none; }

    .nav-links.open,
    .nav-right.open { display: flex; }

    .nav-hamburger { display: flex; }

    .top-nav .container { position: relative; }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-canvas);
        z-index: 99;
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        border-top: 1px solid var(--color-hairline);
        overflow-y: auto;
    }

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

    .mobile-menu a {
        font-size: 18px;
        color: var(--color-ink);
        text-decoration: none;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-hairline);
    }

    .hero-band h1 { font-size: 28px; }
    .hero-band .hero-sub { font-size: 14px; }
    .hero-actions { flex-direction: column; }
    .hero-actions a { text-align: center; }

    .signature-coral-card h2,
    .signature-forest-card h2,
    .hero-card-dark h2 { font-size: 24px; }

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

    .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .footer-bottom { flex-direction: column; gap: var(--spacing-sm); text-align: center; }

    #cookie-banner { flex-direction: column; padding: var(--spacing-md); }
    .cookie-actions { width: 100%; justify-content: center; }

    .cta-band-light h2 { font-size: 24px; }
    .section-title { font-size: 20px; }
    .article-hero h1 { font-size: 28px; }
    .page-header h1 { font-size: 28px; }
}