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

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

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

html { scroll-behavior: smooth; }

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

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

a:hover { text-decoration: underline; }

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

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

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

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-wordmark {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-wordmark:hover { text-decoration: none; color: var(--ink); }

.nav-wordmark 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);
    line-height: 1.4;
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--ink);
    text-decoration: none;
}

.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(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

.mobile-menu {
    display: none;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 0;
}

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

.mobile-menu ul {
    list-style: none;
    padding: 0 24px;
}

.mobile-menu ul li { border-bottom: 1px solid var(--hairline-soft); }

.mobile-menu ul li a {
    display: block;
    padding: 12px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--body);
}

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

.hero-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 400;
    letter-spacing: -2.16px;
    line-height: 1.1;
    color: var(--ink);
    max-width: 800px;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 18px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.55;
    margin-bottom: 40px;
}

.hero-image-wrap {
    margin-top: 48px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.hero-image-wrap img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.hero-caption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
}

/* ── Section Labels ── */
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 32px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
}

/* ── Article Cards ── */
.articles-section {
    padding: 80px 0;
}

.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: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.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: 10px;
}

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

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    margin-bottom: 16px;
}

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

.article-card a {
    text-decoration: none;
}

.article-card a:hover .article-card-title {
    text-decoration: underline;
}

/* ── About strip ── */
.about-strip {
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 64px 0;
}

.about-strip-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-strip h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 20px;
}

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

.about-strip p:last-child { margin-bottom: 0; }

.about-strip-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.about-strip-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

/* ── Article Page ── */
.article-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.article-hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.article-tag {
    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: 9999px;
    padding: 4px 10px;
}

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

.article-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    line-height: 1.15;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

.article-hero-deck {
    font-size: 20px;
    color: var(--body);
    line-height: 1.55;
    max-width: 640px;
}

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    align-items: start;
}

.article-content {
    font-size: 17px;
    color: var(--body);
    line-height: 1.7;
}

.article-content h2 {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin: 48px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--hairline);
}

.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
}

.article-content p {
    margin-bottom: 20px;
    font-size: 17px;
    color: var(--body);
}

.article-content ul, .article-content ol {
    margin: 16px 0 20px 24px;
    color: var(--body);
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.65;
}

.article-content figure {
    margin: 40px 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

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

.article-content figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
}

.article-content blockquote {
    border-left: 3px solid var(--hairline-strong);
    padding: 8px 0 8px 24px;
    margin: 32px 0;
    color: var(--muted);
    font-size: 16px;
    font-style: italic;
}

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

.article-content .info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.article-content .info-box h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.article-content .info-box p {
    font-size: 15px;
    margin-bottom: 10px;
}

.article-content .info-box p:last-child { margin-bottom: 0; }

/* Article Sidebar */
.article-sidebar {}

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

.sidebar-card h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
}

.sidebar-card ul {
    list-style: none;
    padding: 0;
}

.sidebar-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--hairline-soft);
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

.sidebar-card ul li:last-child { border-bottom: none; }

.sidebar-card ul li a {
    color: var(--body);
    font-weight: 500;
    font-size: 14px;
}

.sidebar-card ul li a:hover { color: var(--ink); text-decoration: underline; }

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

/* ── Page Content ── */
.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    color: var(--muted);
    max-width: 560px;
}

.page-content {
    padding: 64px 0 80px;
    max-width: 720px;
}

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 14px;
}

.page-content h2:first-child { margin-top: 0; }

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 10px;
}

.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 16px;
}

.page-content ul, .page-content ol {
    margin: 12px 0 16px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.65;
}

.page-content li { margin-bottom: 6px; }

.page-content a { color: var(--ink); text-decoration: underline; }

.page-updated {
    font-size: 13px;
    color: var(--muted-soft);
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--hairline);
}

/* ── Contact Form ── */
.contact-section {
    padding: 80px 0;
    border-top: 1px solid var(--hairline);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.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: 12px;
}

.contact-detail {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-detail span {
    font-size: 14px;
    color: var(--muted);
}

.contact-detail span strong {
    color: var(--body-strong);
    font-weight: 500;
}

.contact-form-wrap {}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

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

.form-group input,
.form-group textarea {
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    height: 44px;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--ink);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-soft);
}

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    height: 40px;
    align-self: flex-start;
    transition: background 0.15s;
}

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

.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.form-message {
    display: none;
    font-size: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 4px;
}

.form-message.success {
    display: block;
    background: #e8f6f1;
    color: var(--success);
    border: 1px solid #b8e0d3;
}

.form-message.error {
    display: block;
    background: #fdf0f3;
    color: var(--error);
    border: 1px solid #f0b8c5;
}

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

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

.footer-brand .footer-wordmark {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.2px;
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
}

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

.footer-brand p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    max-width: 280px;
}

.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 li a {
    font-size: 14px;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-col ul li a:hover { color: var(--ink); }

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.footer-bottom-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

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

.footer-bottom-links a:hover { color: var(--body); }

/* ── Cookie Banner ── */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 560px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    z-index: 9999;
    box-shadow: none;
    border: 1px solid rgba(255,255,255,0.08);
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(247,247,244,0.82);
    line-height: 1.5;
    flex: 1;
}

.cookie-banner p a {
    color: var(--canvas);
    text-decoration: underline;
}

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

.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
}

.btn-cookie-accept:hover { background: var(--primary-active); }

.btn-cookie-reject {
    background: transparent;
    color: rgba(247,247,244,0.7);
    border: 1px solid rgba(247,247,244,0.2);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s;
}

.btn-cookie-reject:hover {
    border-color: rgba(247,247,244,0.5);
    color: var(--canvas);
}

/* ── Disclaimer ── */
.disclaimer-bar {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    padding: 16px 0;
}

.disclaimer-bar p {
    font-size: 12px;
    color: var(--muted-soft);
    line-height: 1.5;
    text-align: center;
}

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

.breadcrumb ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

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

.breadcrumb ol li a { color: var(--muted); text-decoration: none; }
.breadcrumb ol li a:hover { color: var(--ink); }
.breadcrumb ol li::after { content: '/'; color: var(--muted-soft); }
.breadcrumb ol li:last-child::after { content: ''; }
.breadcrumb ol li:last-child { color: var(--body); }

/* ── Related Articles ── */
.related-section {
    padding: 64px 0;
    border-top: 1px solid var(--hairline);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero h1 { font-size: 56px; letter-spacing: -1.4px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .about-strip-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .contact-inner { grid-template-columns: 1fr; gap: 48px; }
    .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero { padding: 48px 0; }
    .hero h1 { font-size: 36px; letter-spacing: -0.9px; }
    .hero-image-wrap img { height: 260px; }
    .articles-section { padding: 48px 0; }
    .articles-grid { grid-template-columns: 1fr; }
    .about-strip { padding: 48px 0; }
    .contact-section { padding: 48px 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 16px; align-items: flex-start; }
    .article-hero h1 { font-size: 32px; letter-spacing: -0.8px; }
    .page-hero h1 { font-size: 32px; }
    .cookie-banner { flex-direction: column; bottom: 12px; left: 12px; right: 12px; }
    .cookie-actions { flex-direction: row; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 30px; }
}