*, *::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-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-hairline: #dddddd;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-coral: #aa2d00;
    --color-forest: #0a2e0e;
    --color-cream: #f5e9d4;
    --color-peach: #fcab79;
    --color-mint: #a8d8c4;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --container: 1280px;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter Display', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-body);
    background: 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: var(--container);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

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

.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-xxl);
}

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

.logo-stone { color: var(--color-ink); }
.logo-amp { color: var(--color-coral); margin: 0 2px; }
.logo-field { color: var(--color-forest); }

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

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

.nav-menu a:hover { color: var(--color-ink); }
.nav-menu .nav-active { color: var(--color-ink); font-weight: 500; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}

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

.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-text 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);
}

.hero-text p {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
}

.hero-meta {
    font-size: 13px;
    color: var(--color-muted);
}

.hero-image img {
    width: 100%;
    border-radius: var(--rounded-lg);
    object-fit: cover;
    height: 380px;
}

.section-body {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}

.section-label {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

.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-md);
}

.section-desc {
    font-size: 15px;
    color: var(--color-body);
    max-width: 600px;
    line-height: 1.65;
}

.section-header {
    margin-bottom: var(--spacing-xxl);
}

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

.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    transition: box-shadow 0.15s;
}

.article-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }

.article-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.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; text-decoration: none; }
.article-card-title a:hover { color: var(--color-coral); text-decoration: none; }

.article-card-excerpt {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.55;
    margin-bottom: var(--spacing-sm);
}

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

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

.signature-coral-card p {
    font-size: 15px;
    line-height: 1.65;
    max-width: 560px;
    opacity: 0.9;
}

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

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

.signature-forest-card p {
    font-size: 15px;
    line-height: 1.65;
    max-width: 560px;
    opacity: 0.9;
}

.dual-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-section);
}

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

.cream-band .section-title { color: var(--color-ink); }

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

.fact-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl);
}

.fact-card-num {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 500;
    color: var(--color-coral);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

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

.fact-card-desc {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.55;
}

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

.dark-cta-band .section-title { color: var(--color-on-primary); }
.dark-cta-band .section-desc { color: rgba(255,255,255,0.75); }

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.65;
    margin-bottom: var(--spacing-sm);
}

.contact-info address {
    font-style: normal;
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.8;
}

.contact-info address a { color: var(--color-link); }

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

.form-group { display: flex; flex-direction: column; gap: 6px; }

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

.form-group input,
.form-group textarea {
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--color-ink);
    height: 44px;
    width: 100%;
    transition: border-color 0.15s;
}

.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #458fff;
    box-shadow: 0 0 0 2px rgba(69,143,255,0.2);
}

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

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

.btn-secondary {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
    padding: 16px 24px;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    transition: border-color 0.15s;
}

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

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

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

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

.cta-band-light .container { text-align: center; }
.cta-band-light .section-title { margin-bottom: var(--spacing-md); }
.cta-band-light .section-desc { margin: 0 auto var(--spacing-xl); }

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

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

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

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

.footer-tagline {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

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

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 14px; color: var(--color-muted); text-decoration: none; }
.footer-col a:hover { color: var(--color-ink); }

.footer-col address { font-style: normal; }
.footer-col address p { font-size: 14px; color: var(--color-muted); line-height: 1.7; margin-bottom: 4px; }
.footer-col address a { color: var(--color-muted); }
.footer-col address a:hover { color: var(--color-link); }

.footer-bottom {
    border-top: 1px solid var(--color-hairline);
    padding: var(--spacing-lg) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-muted);
}

.footer-legal a { color: var(--color-muted); margin: 0 4px; }
.footer-legal a:hover { color: var(--color-ink); }

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    width: 90%;
    max-width: 640px;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
}

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

.cookie-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.cookie-inner p { font-size: 13px; line-height: 1.55; flex: 1; }
.cookie-inner p a { color: var(--color-on-primary); text-decoration: underline; }

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

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

.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: 16px;
    color: var(--color-body);
    max-width: 640px;
    line-height: 1.65;
}

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

.article-body {
    padding: var(--spacing-section) 0;
}

.article-content {
    max-width: 760px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xxl);
    align-items: start;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
    line-height: 1.3;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-content p {
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.75;
    margin-bottom: var(--spacing-md);
}

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

.article-content .img-caption {
    font-size: 12px;
    color: var(--color-muted);
    margin-top: -12px;
    margin-bottom: var(--spacing-md);
}

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

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

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

.sidebar-card h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

.sidebar-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sidebar-card ul li a { font-size: 14px; color: var(--color-link); }

.breadcrumb {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-link); }
.breadcrumb span { margin: 0 6px; }

.prose-page {
    padding: var(--spacing-section) 0;
    max-width: 800px;
}

.prose-page h2 {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.prose-page p, .prose-page li {
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.75;
    margin-bottom: var(--spacing-sm);
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
    margin-top: var(--spacing-xxl);
}

.about-grid img {
    width: 100%;
    border-radius: var(--rounded-md);
    object-fit: cover;
    height: 360px;
}

.disclaimer-box {
    background: var(--color-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    font-size: 13px;
    color: var(--color-body);
    line-height: 1.65;
}

@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .dual-card-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
}

@media (max-width: 768px) {
    :root { --spacing-section: 64px; }
    .container { padding: 0 var(--spacing-md); }
    .nav-inner { padding: 0 var(--spacing-md); }
    .footer-inner { padding: 0 var(--spacing-md); }

    .nav-hamburger { display: flex; }
    .nav-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-canvas);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-lg);
        z-index: 99;
    }
    .nav-menu.open { display: flex; }
    .nav-menu a { font-size: 20px; }

    .hero-band .container { grid-template-columns: 1fr; }
    .hero-image { display: none; }
    .hero-text h1 { font-size: 32px; }
    .section-title { font-size: 24px; }
    .card-grid { grid-template-columns: 1fr; }
    .fact-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: var(--spacing-sm); text-align: center; }
    .cookie-inner { flex-direction: column; gap: var(--spacing-md); }
    .cookie-btns { justify-content: flex-end; }
}