*, *::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;
    --color-yellow:         #f4d35e;
    --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-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1280px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    background: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-link); text-decoration: none; }
a:active { color: #1a3866; }

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

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

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

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

.site-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.3px;
    line-height: 1;
}

.site-logo span { color: var(--color-coral); }

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

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

/* ─── BUTTONS ─── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    cursor: pointer;
    text-decoration: none;
}

.btn-secondary:active { background: var(--color-surface-soft); color: var(--color-ink); }

.btn-secondary-on-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-legal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 10px;
    background: var(--color-link);
    color: var(--color-on-primary);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    min-width: 80px;
}

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

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

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

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

.hero-text p {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
    line-height: 1.6;
}

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

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

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

/* ─── SECTION TITLES ─── */
.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-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.section-sub {
    font-size: 14px;
    color: var(--color-body);
    max-width: 560px;
    line-height: 1.6;
}

/* ─── CARD GRIDS ─── */
.card-grid-section { padding: var(--spacing-section) 0; }

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

.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.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: var(--color-ink); }
.article-card-title a:active { color: var(--color-coral); }

.article-card-excerpt {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.5;
    flex: 1;
}

.article-card-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-hairline);
}

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

.signature-coral .section-label { color: rgba(255,255,255,0.65); }
.signature-coral .section-title { color: var(--color-on-primary); margin-bottom: var(--spacing-md); }
.signature-coral p { color: rgba(255,255,255,0.85); font-size: 14px; line-height: 1.6; margin-bottom: var(--spacing-xl); max-width: 560px; }

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

.signature-forest .section-label { color: rgba(255,255,255,0.5); }
.signature-forest .section-title { color: var(--color-on-primary); margin-bottom: var(--spacing-md); }
.signature-forest p { color: rgba(255,255,255,0.8); font-size: 14px; line-height: 1.6; margin-bottom: var(--spacing-xl); max-width: 600px; }

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

.cream-callout .section-title { font-size: 24px; margin-bottom: var(--spacing-md); }
.cream-callout p { font-size: 14px; line-height: 1.6; color: var(--color-body); max-width: 640px; }

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

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

.cta-band-dark p {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ─── DEMO GRID (species cards) ─── */
.species-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

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

.species-card:nth-child(1) { background: var(--color-peach); }
.species-card:nth-child(2) { background: var(--color-mint); }
.species-card:nth-child(3) { background: var(--color-yellow); }
.species-card:nth-child(4) { background: var(--color-surface-strong); }

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

.species-card-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 4px;
}

.species-card-sub {
    font-size: 12px;
    color: var(--color-muted);
    font-style: italic;
}

/* ─── CONTACT FORM ─── */
.contact-section { padding: var(--spacing-section) 0; }

.form-wrap {
    max-width: 540px;
}

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

.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);
}

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

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

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

/* ─── ARTICLE PAGE ─── */
.article-hero {
    padding: var(--spacing-section) 0 var(--spacing-xxl);
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
}

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

.breadcrumb {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: 6px;
    align-items: center;
}

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

.article-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

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

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

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

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

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

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

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

.article-content h3 {
    font-size: 18px;
    font-weight: 500;
    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 {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: 4px;
}

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

.article-content .callout {
    background: var(--color-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-left: 4px solid var(--color-coral);
}

.article-content .callout p { margin-bottom: 0; }

.article-content .warning {
    background: #fff5f0;
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-left: 4px solid var(--color-coral);
}

.article-content .warning p { margin-bottom: 0; color: #6b2200; }

.article-content figure {
    margin: var(--spacing-xl) 0;
}

.article-content figure img {
    border-radius: var(--rounded-md);
    width: 100%;
}

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

/* ─── 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;
}

.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: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* ─── STATIC PAGES ─── */
.static-hero {
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-hairline);
}

.static-hero h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--color-ink);
    line-height: 1.2;
}

.static-content {
    padding: var(--spacing-section) 0;
    max-width: 720px;
}

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

.static-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

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

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

.static-content li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: 4px;
}

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

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

.footer-inner {}

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

.footer-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

.footer-brand span { color: var(--color-coral); }

.footer-tagline {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.footer-contact {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.7;
}

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

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

.footer-col ul { list-style: none; }

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul a {
    font-size: 14px;
    color: var(--color-muted);
}

.footer-bottom {
    border-top: 1px solid var(--color-hairline);
    padding: var(--spacing-lg) 0;
}

.footer-disclaimer {
    font-size: 12px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    max-width: 800px;
}

.footer-legal {
    font-size: 12px;
    color: var(--color-muted);
}

/* ─── COOKIE BANNER ─── */
.cookie-banner {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 999;
    max-width: 560px;
    width: calc(100% - 48px);
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    display: none;
}

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

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

.cookie-inner p {
    font-size: 13px;
    color: var(--color-body);
    line-height: 1.5;
    flex: 1;
}

.cookie-inner p a { color: var(--color-link); }

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

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

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

    .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline); padding: var(--spacing-md); }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; gap: 0; }
    .site-nav ul li a { display: block; padding: var(--spacing-sm) 0; font-size: 16px; border-bottom: 1px solid var(--color-hairline); }
    .site-header { position: relative; }

    .nav-toggle { display: flex; }

    .hero-inner,
    .article-hero-inner { grid-template-columns: 1fr; }
    .hero-image,
    .article-hero-img { order: -1; }
    .hero-text h1,
    .article-hero h1 { font-size: 28px; }

    .card-grid { grid-template-columns: 1fr; }
    .species-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
    .footer-cols .footer-col:first-child { grid-column: 1 / -1; }

    .section-title { font-size: 24px; }
    .cta-band-dark h2, .cta-band-light h2 { font-size: 24px; }

    .signature-coral,
    .signature-forest { margin: var(--spacing-xxl) 0; }

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

    .cookie-inner { flex-direction: column; align-items: flex-start; }
}