@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-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;
    --color-border-strong: #9297a0;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-full: 9999px;
    --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, sans-serif;
    --font-display: 'Inter Display', 'Inter', -apple-system, BlinkMacSystemFont, 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: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: var(--max-width);
    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;
    gap: var(--spacing-lg);
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    white-space: nowrap;
}

.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-body);
    text-decoration: none;
    line-height: 1.25;
}

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

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

.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-sm {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

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

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

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

.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

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

.hero-content p {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
}

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

.hero-image {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 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 0 var(--spacing-lg);
}

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

.signature-coral-card p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.btn-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;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

/* 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);
    margin: 0 0 var(--spacing-lg);
}

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

.signature-forest-card p {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.9;
}

/* 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);
}

.hero-card-dark 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-md);
}

.hero-card-dark p {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.85;
    margin-bottom: var(--spacing-xl);
}

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

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

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

.section-lead {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
    max-width: 640px;
}

/* DEMO GRID / ARTICLE CARDS */
.articles-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);
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

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

.article-card-category {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    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: 14px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: 0.16px;
    color: var(--color-muted);
}

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

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

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

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

.stat-card {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    line-height: 1.5;
}

/* IMAGE GRID */
.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.image-grid-item {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.image-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-grid-item:first-child {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

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

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

.cta-band p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
}

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

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

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

.form-input {
    width: 100%;
    height: 44px;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 400;
    padding: 12px 16px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--color-hairline);
    outline: none;
}

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

/* 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 repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

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

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    font-size: 14px;
    color: var(--color-muted);
    text-decoration: none;
    line-height: 1.25;
}

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

.footer-legal {
    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;
}

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

.article-hero-category {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

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

.article-hero-meta {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xxl);
}

.article-hero-image {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    margin-bottom: var(--spacing-section);
}

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-section);
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

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

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

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

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

.article-body figure {
    margin: var(--spacing-xl) 0;
    border-radius: var(--rounded-md);
    overflow: hidden;
}

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

.article-body figcaption {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--color-muted);
    padding: var(--spacing-xs) 0;
}

.article-sidebar {
    position: sticky;
    top: 80px;
    align-self: start;
}

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

.sidebar-box-title {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sidebar-links a {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-link);
}

/* PAGE HERO (about/privacy/terms) */
.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--color-hairline);
    margin-bottom: var(--spacing-section);
}

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

.page-hero p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-muted);
}

.page-content {
    max-width: 760px;
    margin-bottom: var(--spacing-section);
}

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

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

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

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

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

/* BREADCRUMB */
.breadcrumb {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
}

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

.breadcrumb-sep {
    color: var(--color-border-strong);
}

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    z-index: 999;
    padding: var(--spacing-md) 0;
    display: none;
}

#cookie-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-text {
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
}

.cookie-text a {
    color: #9e9eff;
}

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

.btn-cookie {
    font-family: var(--font-main);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-cookie-accept {
    background: var(--color-link);
    color: var(--color-on-primary);
}

.btn-cookie-reject {
    background: transparent;
    color: var(--color-on-primary);
    border: 1px solid rgba(255,255,255,0.3);
}

/* DISCLAIMER */
.disclaimer {
    background: var(--color-surface-soft);
    border-left: 3px solid var(--color-hairline);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-muted);
}

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

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

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

    .article-sidebar {
        position: static;
    }
}

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

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

    .nav-hamburger {
        display: flex;
    }

    .nav-menu-open .nav-links,
    .nav-menu-open .nav-actions {
        display: flex;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-canvas);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-hairline);
        z-index: 99;
    }

    .hero-band .container {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .image-grid-item:first-child {
        grid-column: span 1;
    }

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

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

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

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

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