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

body {
    background-color: var(--canvas);
    color: var(--body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    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;
}

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

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

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

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

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

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--ink);
}

.nav-hamburger svg {
    width: 24px;
    height: 24px;
}

.nav-mobile {
    display: none;
    background-color: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 16px 24px;
}

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

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

.nav-mobile a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
}

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

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

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background-color: var(--surface-strong);
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 24px;
}

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

.hero-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.5;
    margin-bottom: 48px;
}

.hero-image {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--hairline);
}

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

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

.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 48px;
}

.section-title-sm {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 24px;
}

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

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

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

.article-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 20px;
}

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

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

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

.info-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: 12px;
}

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

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.two-col-text h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 20px;
}

.two-col-text p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}

.two-col-image {
    border-radius: 12px;
    border: 1px solid var(--hairline);
    width: 100%;
    height: 340px;
    object-fit: cover;
}

.contact-form-wrap {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.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-color: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    font-family: inherit;
    height: 44px;
    transition: border-color 0.15s;
    outline: none;
}

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

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

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

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-success {
    display: none;
    background-color: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: 8px;
    padding: 16px;
    color: var(--semantic-success);
    font-size: 14px;
    margin-top: 16px;
}

.form-success.visible {
    display: block;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-top: 12px;
    max-width: 260px;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
    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-soft);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

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

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

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 999;
    display: none;
}

.cookie-banner.visible {
    display: block;
}

.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(--canvas);
    line-height: 1.5;
    flex: 1;
}

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

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

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

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

.page-hero {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.5;
}

.page-meta {
    font-size: 13px;
    color: var(--muted-soft);
    margin-top: 12px;
}

.prose {
    max-width: 720px;
}

.prose h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    line-height: 1.25;
}

.prose h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
    line-height: 1.4;
}

.prose p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}

.prose ul, .prose ol {
    margin: 0 0 16px 24px;
}

.prose li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 6px;
}

.prose a {
    color: var(--primary);
    text-decoration: underline;
}

.prose strong {
    color: var(--ink);
    font-weight: 600;
}

.prose img {
    border-radius: 12px;
    border: 1px solid var(--hairline);
    margin: 32px 0;
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.prose blockquote {
    border-left: 3px solid var(--hairline-strong);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.5;
}

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

.info-box h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.info-box ul {
    margin: 0 0 0 20px;
}

.info-box li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 6px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    align-items: start;
    padding: 60px 0;
}

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

.sidebar-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-card h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

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

.sidebar-card ul li a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

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

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

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

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

.breadcrumb span {
    margin: 0 6px;
}

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

.text-muted {
    color: var(--muted);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

@media (max-width: 1024px) {
    .hero h1 {
        font-size: 56px;
        letter-spacing: -1.5px;
    }
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .article-layout {
        grid-template-columns: 1fr 240px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
        letter-spacing: -1px;
    }
    .section-title {
        font-size: 26px;
        letter-spacing: -0.5px;
    }
    .nav-links {
        display: none;
    }
    .nav-hamburger {
        display: flex;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
    .two-col {
        grid-template-columns: 1fr;
    }
    .two-col-image {
        height: 240px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .page-hero h1 {
        font-size: 32px;
        letter-spacing: -0.8px;
    }
    .contact-form-wrap {
        padding: 24px;
    }
    .cookie-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 48px 0;
    }
    .section {
        padding: 48px 0;
    }
    .hero h1 {
        font-size: 32px;
        letter-spacing: -0.8px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .two-col-text h2 {
        font-size: 26px;
    }
}