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

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

:root {
    --canvas: #f5f1ec;
    --surface: #ffffff;
    --ink: #111111;
    --ink-muted: #626260;
    --ink-subtle: #7b7b78;
    --hairline: #d3cec6;
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --max: 1280px;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

.nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 200;
    height: 56px;
    display: flex;
    align-items: center;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
}
.nav-brand {
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.2px;
}
.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav-links a {
    font-size: 14px;
    color: var(--ink-muted);
    font-weight: 400;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
    align-items: center;
    justify-content: center;
}
.nav-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: opacity 0.15s;
}

.hero {
    padding: 72px 0 56px;
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.hero-eyebrow {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-muted);
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}
.hero-title {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 20px;
}
.hero-desc {
    font-size: 18px;
    line-height: 1.55;
    color: var(--ink-muted);
    letter-spacing: -0.1px;
}
.hero-meta {
    margin-top: 24px;
    font-size: 13px;
    color: var(--ink-subtle);
}
.hero-image {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--hairline);
}
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section { padding: 56px 0; }
.section-header { margin-bottom: 36px; }
.section-title {
    font-size: 30px;
    font-weight: 500;
    letter-spacing: -0.6px;
    line-height: 1.15;
    margin-bottom: 6px;
}
.section-sub {
    font-size: 15px;
    color: var(--ink-muted);
}

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

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    background: var(--surface);
    border-radius: var(--r-lg);
    border: 1px solid var(--hairline);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 2px 16px rgba(0,0,0,0.06); }
.card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--hairline);
}
.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}
.card:hover .card-img img { transform: scale(1.04); }
.card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.card-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-subtle);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 10px;
}
.card-title {
    font-size: 19px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.3px;
    margin-bottom: 10px;
    color: var(--ink);
}
.card-text {
    font-size: 14px;
    line-height: 1.65;
    color: var(--ink-muted);
    flex: 1;
}
.card-link {
    display: inline-block;
    margin-top: 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--ink);
    padding-bottom: 1px;
    transition: opacity 0.15s;
}
.card-link:hover { opacity: 0.7; }

.info-strip {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 40px 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.info-strip-item strong {
    display: block;
    font-size: 30px;
    font-weight: 500;
    letter-spacing: -0.6px;
    color: var(--ink);
    margin-bottom: 5px;
}
.info-strip-item span {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.4;
}

.feature-band {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--r-xl);
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin: 0 0 24px;
}
.feature-band-text h2 {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 16px;
}
.feature-band-text p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-muted);
    margin-bottom: 12px;
}
.feature-band-img {
    border-radius: var(--r-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--hairline);
}
.feature-band-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-header { padding: 48px 0 36px; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ink-subtle);
    margin-bottom: 20px;
}
.breadcrumb a { color: var(--ink-muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline); }
.article-title {
    font-size: 40px;
    font-weight: 500;
    line-height: 1.10;
    letter-spacing: -0.9px;
    margin-bottom: 16px;
    max-width: 820px;
}
.article-meta {
    font-size: 13px;
    color: var(--ink-subtle);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.article-featured-img {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 21/9;
    background: var(--hairline);
    margin: 32px 0;
}
.article-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    padding-bottom: 64px;
    align-items: start;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.4px;
    line-height: 1.25;
    margin: 40px 0 14px;
    color: var(--ink);
}
.article-content h3 {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.2px;
    margin: 28px 0 10px;
    color: var(--ink);
}
.article-content p {
    font-size: 16px;
    line-height: 1.75;
    color: #2a2a2a;
    margin-bottom: 18px;
}
.article-content ul, .article-content ol {
    margin: 10px 0 18px 20px;
}
.article-content li {
    font-size: 16px;
    line-height: 1.7;
    color: #2a2a2a;
    margin-bottom: 7px;
}
.article-content .highlight-box {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 24px 28px;
    margin: 28px 0;
}
.article-content .highlight-box h3 { margin-top: 0; }
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}
.article-content th {
    background: var(--surface);
    border: 1px solid var(--hairline);
    padding: 10px 14px;
    text-align: left;
    font-weight: 500;
    color: var(--ink);
}
.article-content td {
    border: 1px solid var(--hairline);
    padding: 10px 14px;
    color: #2a2a2a;
}
.article-content tr:nth-child(even) td { background: rgba(245,241,236,0.4); }
.article-content .inline-img {
    border-radius: var(--r-lg);
    overflow: hidden;
    margin: 24px 0;
    aspect-ratio: 16/9;
    background: var(--hairline);
}
.article-content .inline-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.img-caption {
    font-size: 12px;
    color: var(--ink-subtle);
    margin-top: 8px;
    line-height: 1.4;
}

.article-sidebar { position: sticky; top: 72px; }
.sidebar-card {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 22px;
    margin-bottom: 16px;
}
.sidebar-card h4 {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 14px;
    letter-spacing: -0.1px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline);
}
.sidebar-card ul { padding: 0; }
.sidebar-card ul li { margin-bottom: 8px; }
.sidebar-card ul li a {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.5;
    transition: color 0.15s;
}
.sidebar-card ul li a:hover { color: var(--ink); }
.sidebar-card p {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.6;
}
.sidebar-card p a { color: var(--ink); border-bottom: 1px solid var(--hairline); }
.sidebar-card p a:hover { border-bottom-color: var(--ink); }

.page-header { padding: 52px 0 40px; }
.page-header h1 {
    font-size: 38px;
    font-weight: 500;
    letter-spacing: -0.8px;
    line-height: 1.12;
    margin-bottom: 12px;
}
.page-header p {
    font-size: 17px;
    color: var(--ink-muted);
    letter-spacing: -0.1px;
    line-height: 1.55;
}

.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 56px;
    align-items: start;
    padding-bottom: 64px;
}
.content-prose h2 {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.3px;
    margin: 36px 0 12px;
    color: var(--ink);
}
.content-prose h2:first-child { margin-top: 0; }
.content-prose p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-muted);
    margin-bottom: 12px;
}
.content-prose ul {
    margin: 10px 0 14px 18px;
}
.content-prose li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-muted);
    margin-bottom: 6px;
}

.form-card {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 36px;
}
.form-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 22px;
    letter-spacing: -0.2px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    background: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: var(--r-md);
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--ink);
    min-height: 44px;
    transition: border-color 0.15s, background 0.15s;
    outline: none;
    appearance: none;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--ink);
    background: var(--surface);
}
.form-group textarea {
    resize: vertical;
    min-height: 110px;
}
.btn {
    background: var(--ink);
    color: #fff;
    border: none;
    border-radius: var(--r-md);
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    min-height: 42px;
    transition: opacity 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn:hover { opacity: 0.82; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.form-msg {
    margin-top: 14px;
    padding: 11px 16px;
    border-radius: var(--r-md);
    font-size: 14px;
    display: none;
}
.form-msg.success {
    background: #edf7ed;
    color: #1b5e20;
    border: 1px solid #c8e6c9;
    display: block;
}

.policy-content { max-width: 760px; padding-bottom: 64px; }
.policy-content h2 {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: -0.3px;
    margin: 36px 0 12px;
    color: var(--ink);
}
.policy-content h2:first-child { margin-top: 0; }
.policy-content p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-muted);
    margin-bottom: 12px;
}
.policy-content ul {
    margin: 8px 0 14px 20px;
}
.policy-content ul li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-muted);
    margin-bottom: 5px;
    list-style: disc;
}
.policy-updated {
    font-size: 13px;
    color: var(--ink-subtle);
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--hairline);
}

.footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 52px 0 28px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 10px;
}
.footer-brand-desc {
    font-size: 13px;
    color: var(--ink-subtle);
    line-height: 1.65;
    max-width: 260px;
}
.footer-col h5 {
    font-size: 12px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a {
    font-size: 13px;
    color: var(--ink-subtle);
    line-height: 1.5;
    transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-copy { font-size: 12px; color: var(--ink-subtle); }
.footer-disclaimer {
    font-size: 12px;
    color: var(--ink-subtle);
    max-width: 500px;
    text-align: right;
    line-height: 1.5;
}

.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    max-width: 480px;
    background: var(--ink);
    color: #fff;
    border-radius: var(--r-lg);
    padding: 18px 20px;
    display: none;
    flex-direction: column;
    gap: 14px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
    z-index: 9999;
}
.cookie-banner p {
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255,255,255,0.82);
}
.cookie-banner p a {
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.4);
}
.cookie-actions {
    display: flex;
    gap: 8px;
}
.btn-cookie-accept {
    background: #fff;
    color: var(--ink);
    border: none;
    border-radius: var(--r-md);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    min-height: 36px;
}
.btn-cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.65);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--r-md);
    padding: 8px 16px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    min-height: 36px;
}
.btn-cookie-accept:hover { opacity: 0.9; }
.btn-cookie-reject:hover { color: #fff; border-color: rgba(255,255,255,0.5); }

.related-articles { padding: 48px 0; border-top: 1px solid var(--hairline); }
.related-articles .section-title { font-size: 22px; margin-bottom: 24px; }

@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .info-strip { grid-template-columns: repeat(2, 1fr); padding: 28px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .about-grid { grid-template-columns: 1fr; }
    .feature-band { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero { padding: 40px 0 32px; }
    .hero-content { grid-template-columns: 1fr; gap: 32px; }
    .hero-title { font-size: 34px; letter-spacing: -0.7px; }
    .hero-image { order: -1; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 56px; left: -24px; right: -24px; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; }
    .article-title { font-size: 28px; }
    .cards-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-disclaimer { text-align: left; max-width: 100%; }
    .info-strip { grid-template-columns: 1fr 1fr; padding: 24px; }
    .page-header h1 { font-size: 28px; }
    .article-featured-img { aspect-ratio: 4/3; }
    .article-sidebar { grid-template-columns: 1fr; }
    .feature-band { padding: 28px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .section-title { font-size: 22px; }
    .article-title { font-size: 22px; }
    .page-header h1 { font-size: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .info-strip { grid-template-columns: 1fr 1fr; }
    .cookie-banner { left: 12px; right: 12px; }
}