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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink: #26251e;
    --body: #5a5852;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --success: #1f8a65;
    --error: #cf2d56;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-pill: 9999px;
}

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

body {
    background: var(--canvas);
    color: var(--body);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0;
    text-decoration: none;
}

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

.logo-sub {
    font-size: 14px;
    font-weight: 400;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 6px 12px;
    border-radius: var(--r-md);
    transition: color 0.15s, background 0.15s;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
    color: var(--ink);
    background: var(--surface-strong);
}

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

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

.hero {
    padding: 80px 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    border-radius: var(--r-pill);
    padding: 4px 10px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-img {
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.hero-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--r-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-card);
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--r-md);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}

.btn-secondary:hover { background: var(--surface-strong); color: var(--ink); }

.section {
    padding: 80px 0;
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 48px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--hairline-strong); }

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

.article-card-body {
    padding: 20px 24px 24px;
}

.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    display: block;
}

.article-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 10px;
}

.article-card-title a { color: var(--ink); }
.article-card-title a:hover { color: var(--primary); }

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}

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

.plants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.plant-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.plant-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.plant-card-body {
    padding: 16px 20px 20px;
}

.plant-card-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

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

.facts-band {
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 64px 0;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.fact-item {
    text-align: center;
}

.fact-number {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 8px;
}

.fact-label {
    font-size: 14px;
    color: var(--muted);
}

.contact-section {
    padding: 80px 0;
    background: var(--canvas);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 24px;
}

.contact-detail {
    font-size: 14px;
    color: var(--body);
    line-height: 2;
}

.contact-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--ink);
    transition: border-color 0.15s;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-message {
    display: none;
    padding: 12px 16px;
    border-radius: var(--r-md);
    font-size: 14px;
    margin-top: 12px;
}

.form-message.success {
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
    display: block;
}

.form-message.loading {
    background: var(--canvas-soft);
    color: var(--muted);
    border: 1px solid var(--hairline);
    display: block;
}

.article-layout {
    padding: 64px 0 80px;
}

.article-layout .container {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    align-items: start;
}

.article-header {
    margin-bottom: 32px;
}

.article-header .article-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
    display: block;
}

.article-header h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 16px;
}

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

.article-hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--r-lg);
    border: 1px solid var(--hairline);
    margin-bottom: 40px;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 12px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 10px;
}

.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 16px 20px;
    list-style: disc;
}

.article-body ol { list-style: decimal; }

.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body a:hover { color: var(--primary-active); }

.article-body .note-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--r-md);
    padding: 16px 20px;
    margin: 24px 0;
}

.article-body .note-box p { margin: 0; font-size: 14px; }

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.article-body th {
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    border: 1px solid var(--hairline);
}

.article-body td {
    color: var(--body);
    padding: 10px 14px;
    border: 1px solid var(--hairline);
}

.article-body tr:nth-child(even) td { background: var(--canvas-soft); }

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

.sidebar-widget {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 20px 24px;
    margin-bottom: 24px;
}

.sidebar-widget h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.sidebar-widget ul li {
    margin-bottom: 8px;
}

.sidebar-widget ul li a {
    font-size: 14px;
    color: var(--body);
}

.sidebar-widget ul li a:hover { color: var(--primary); }

.breadcrumb {
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline-soft);
    margin-bottom: 40px;
}

.breadcrumb ol {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb ol li { display: flex; align-items: center; gap: 8px; }
.breadcrumb ol li a { color: var(--muted); }
.breadcrumb ol li a:hover { color: var(--primary); }
.breadcrumb ol li::after { content: '/'; color: var(--muted-soft); }
.breadcrumb ol li:last-child::after { content: ''; }

.page-layout {
    padding: 64px 0 80px;
    max-width: 760px;
    margin: 0 auto;
}

.page-layout h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    margin-bottom: 8px;
}

.page-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--hairline-soft);
}

.page-layout h2 {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 40px 0 10px;
}

.page-layout p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 16px;
}

.page-layout ul {
    margin: 0 0 16px 20px;
    list-style: disc;
}

.page-layout li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}

.page-layout a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 48px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

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

.footer-tagline {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
}

.footer-heading {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.site-footer ul li {
    margin-bottom: 8px;
}

.site-footer ul li a {
    font-size: 14px;
    color: var(--body);
}

.site-footer ul li a:hover { color: var(--primary); }

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    border-top: 1px solid var(--hairline-soft);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--muted-soft);
}

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

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

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    z-index: 999;
    padding: 16px 24px;
}

.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-inner p {
    font-size: 14px;
    color: var(--body);
}

.cookie-inner a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

.cookie-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 40px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .plants-grid { grid-template-columns: repeat(2, 1fr); }
    .facts-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout .container { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
    }
    .nav-menu.open { display: flex; }
    .nav-inner { position: relative; }
    .hero h1 { font-size: 32px; }
    .section-title { font-size: 28px; }
    .articles-grid { grid-template-columns: 1fr; }
    .plants-grid { grid-template-columns: 1fr; }
    .facts-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .article-header h1 { font-size: 30px; }
    .article-hero-img { height: 240px; }
    .page-layout { padding: 40px 24px 60px; }
    .page-layout h1 { font-size: 30px; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
    .facts-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 20px; }
}