*, *::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;
    --on-primary: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

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

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

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

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

h1, h2, h3, h4 {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
}

h1 { font-size: 48px; letter-spacing: -1.44px; }
h2 { font-size: 36px; letter-spacing: -0.72px; }
h3 { font-size: 26px; letter-spacing: -0.325px; }
h4 { font-size: 22px; letter-spacing: -0.11px; }

p { color: var(--body); line-height: 1.6; }

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

.btn-primary {
    display: inline-block;
    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;
    line-height: 1;
    transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }

.btn-secondary {
    display: inline-block;
    background: var(--surface-card);
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    line-height: 1;
    transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: var(--ink); }

.site-header {
    background: 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%;
}

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

.main-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

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

.hero-band .hero-label {
    margin-bottom: 16px;
}

.hero-band h1 {
    font-size: 64px;
    letter-spacing: -2.16px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

.hero-band .hero-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 0;
}

.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;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 48px;
}

.divider {
    border: none;
    border-top: 1px solid var(--hairline);
    margin: 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;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }

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

.article-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.article-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0;
    line-height: 1.35;
}

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

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

.article-card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 2px;
    align-self: flex-start;
    transition: border-color 0.15s;
}
.article-card-link:hover { border-color: var(--ink); }

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

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

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0;
    margin-bottom: 8px;
}

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

.contact-section {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

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

.form-group input,
.form-group textarea {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.15s;
    height: 44px;
    width: 100%;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }
.form-group textarea { height: auto; min-height: 110px; resize: vertical; }

.form-submit-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
}

#contact-status {
    font-size: 14px;
    color: var(--success);
    display: none;
}
#contact-status.error { color: var(--error); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    z-index: 999;
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 14px;
    color: var(--body);
    max-width: 640px;
    flex: 1;
}

.cookie-banner p a {
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.article-hero {
    padding: 80px 0 40px;
    border-bottom: 1px solid var(--hairline);
}

.article-hero h1 {
    font-size: 48px;
    max-width: 800px;
    margin-bottom: 20px;
}

.article-hero .article-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

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

.article-body {
    padding: 60px 0 80px;
    max-width: 720px;
}

.article-body p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: var(--body);
}

.article-body h2 {
    font-size: 30px;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin: 48px 0 16px;
}

.article-body h3 {
    font-size: 22px;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 32px 0 12px;
}

.article-body ul, .article-body ol {
    padding-left: 20px;
    margin-bottom: 20px;
}

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

.article-image-block {
    margin: 40px 0;
}

.article-image-block img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--hairline);
}

.article-image-block figcaption {
    font-size: 13px;
    color: var(--muted);
    margin-top: 8px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

.article-sidebar {
    padding: 60px 0 80px;
}

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

.sidebar-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0;
    margin-bottom: 16px;
}

.sidebar-card ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-card li a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}
.sidebar-card li a:hover { color: var(--ink); }

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

.page-hero h1 {
    font-size: 40px;
    letter-spacing: -1.2px;
}

.page-body {
    padding: 60px 0 80px;
    max-width: 760px;
}

.page-body p { margin-bottom: 20px; line-height: 1.7; }
.page-body h2 { font-size: 26px; letter-spacing: -0.325px; color: var(--ink); margin: 40px 0 12px; }
.page-body ul { padding-left: 20px; margin-bottom: 20px; }
.page-body li { margin-bottom: 6px; line-height: 1.7; color: var(--body); }

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

.footer-inner {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    padding-bottom: 48px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
}

.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: 4px;
}

.footer-col a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}
.footer-col a:hover { color: var(--ink); }

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

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding: 20px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--muted);
}

@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: repeat(3, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { padding-top: 0; }
}

@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    .hero-band h1 { font-size: 36px; letter-spacing: -1px; }
    .main-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 24px; gap: 20px; }
    .main-nav.open { display: flex; }
    .nav-toggle { display: flex; }
    .nav-inner { position: relative; }
    .articles-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); }
    .cookie-banner { flex-direction: column; align-items: flex-start; }
    .article-hero h1 { font-size: 32px; }
}

@media (max-width: 480px) {
    .footer-inner { grid-template-columns: 1fr; }
    .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
    .form-submit-wrap { flex-direction: column; align-items: flex-start; }
}