@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
    background-color: var(--canvas);
}

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

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

h1, h2, h3, h4 { color: var(--ink); font-weight: 400; letter-spacing: -0.02em; }
h1 { font-size: 48px; line-height: 1.1; letter-spacing: -0.045em; }
h2 { font-size: 36px; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 26px; line-height: 1.25; letter-spacing: -0.012em; }
h4 { font-size: 22px; line-height: 1.3; letter-spacing: -0.005em; }

p { margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; color: var(--body-strong); }

code, pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.5;
}

.section { padding: 80px 0; }
.section--soft { background-color: var(--canvas-soft); }
.section--white { background-color: var(--surface-card); }

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
    display: block;
}

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

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    flex-shrink: 0;
}

.nav-logo span { color: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); }

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

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

.nav-mobile {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px 24px;
    z-index: 99;
}

.nav-mobile.open { display: block; }

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-mobile ul a {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
}

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

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 20px;
}

.hero h1 { margin-bottom: 20px; }

.hero-desc {
    font-size: 18px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 0;
}

.hero-img {
    border-radius: 12px;
    border: 1px solid var(--hairline);
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
}

.card-grid {
    display: grid;
    gap: 16px;
}

.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.card h3 { font-size: 22px; margin-bottom: 12px; }
.card h4 { font-size: 18px; font-weight: 600; letter-spacing: 0; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--body); }

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-img img { transform: scale(1.03); }

.article-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.article-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}

.article-card-body h3 {
    font-size: 20px;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.article-card-body h3 a { color: var(--ink); }
.article-card-body h3 a:hover { color: var(--primary); }

.article-card-body p { font-size: 14px; color: var(--body); flex: 1; }

.article-meta {
    margin-top: 16px;
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--hairline-strong); }

.divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

.section-head { margin-bottom: 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { font-size: 18px; color: var(--body); max-width: 600px; }

.plant-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.plant-item {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    overflow: hidden;
}

.plant-item-img {
    aspect-ratio: 1;
    overflow: hidden;
}

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

.plant-item-info { padding: 16px; }
.plant-item-info h4 { font-size: 15px; font-weight: 600; letter-spacing: 0; margin-bottom: 4px; color: var(--ink); }
.plant-item-info .sci { font-size: 13px; color: var(--muted); font-style: italic; }

.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

.article-hero {
    padding: 48px 0 0;
    border-bottom: 1px solid var(--hairline);
}

.article-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    padding-bottom: 64px;
}

.article-hero-tag { display: inline-block; background: var(--surface-strong); color: var(--ink); font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; padding: 4px 10px; border-radius: 9999px; margin-bottom: 16px; }
.article-hero h1 { font-size: 40px; margin-bottom: 16px; }
.article-hero-meta { font-size: 13px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }
.article-hero-img { border-radius: 12px; border: 1px solid var(--hairline); overflow: hidden; aspect-ratio: 4/3; }
.article-hero-img img { width: 100%; height: 100%; object-fit: cover; }

.article-body { padding: 64px 0; }
.article-content { max-width: 720px; }
.article-content h2 { font-size: 28px; margin: 40px 0 16px; }
.article-content h3 { font-size: 22px; margin: 32px 0 12px; }
.article-content p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 20px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content li { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-active); }

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
}

.sidebar-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px; margin-bottom: 16px; }
.sidebar-card h4 { font-size: 14px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.sidebar-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sidebar-card li a { font-size: 14px; color: var(--body); line-height: 1.4; }
.sidebar-card li a:hover { color: var(--primary); }

.info-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 32px 0;
}

.info-box p { font-size: 15px; color: var(--body); margin: 0; }

.data-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.data-table th { text-align: left; font-weight: 600; color: var(--ink); padding: 10px 12px; border-bottom: 2px solid var(--hairline-strong); font-size: 13px; }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--hairline); color: var(--body); vertical-align: top; }
.data-table tr:last-child td { border-bottom: none; }

.contact-section { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

.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);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}

.form-group textarea { height: auto; min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--ink); }
.form-group input.error, .form-group textarea.error { border-color: var(--semantic-error); }
.form-error { font-size: 13px; color: var(--semantic-error); margin-top: 4px; display: none; }
.form-error.visible { display: block; }

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.form-message {
    display: none;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 16px;
}

.form-message.success { display: block; background: #e6f5ef; color: var(--semantic-success); border: 1px solid #b3dece; }

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p { font-size: 14px; color: var(--body); margin-top: 12px; max-width: 220px; }
.footer-logo { font-size: 16px; font-weight: 600; color: var(--ink); }
.footer-logo span { color: var(--primary); }

.footer-col h5 { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: var(--body); }
.footer-col ul a:hover { color: var(--ink); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--hairline); font-size: 13px; color: var(--muted); flex-wrap: wrap; gap: 12px; }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline-strong);
    padding: 20px 24px;
    z-index: 200;
    display: none;
}

.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); margin: 0; flex: 1; }
.cookie-inner p a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

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

.btn-cookie-accept {
    background: var(--ink);
    color: var(--canvas);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
}

.btn-cookie-reject {
    background: transparent;
    color: var(--body);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
}

.btn-cookie-reject:hover { border-color: var(--ink); color: var(--ink); }

.page-hero { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.page-hero h1 { font-size: 40px; margin-bottom: 12px; }
.page-hero p { font-size: 18px; color: var(--body); max-width: 560px; }
.page-hero .updated { font-size: 13px; color: var(--muted); margin-top: 16px; }

.prose { max-width: 720px; padding: 64px 0; }
.prose h2 { font-size: 26px; margin: 40px 0 14px; }
.prose h3 { font-size: 20px; font-weight: 600; letter-spacing: 0; margin: 28px 0 10px; }
.prose p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 18px; }
.prose ul, .prose ol { padding-left: 24px; margin-bottom: 18px; }
.prose li { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 6px; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

.disclaimer-box { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: 8px; padding: 20px 24px; margin: 32px 0; }
.disclaimer-box p { font-size: 14px; color: var(--muted); margin: 0; }

@media (max-width: 1024px) {
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .article-hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .plant-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    .section { padding: 60px 0; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .card-grid--2, .card-grid--3 { grid-template-columns: 1fr; }
    .plant-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .plant-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .hero-desc { font-size: 16px; }
}