@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;
    --card:          #ffffff;
    --surface-strong:#e6e5e0;
    --hairline:      #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong:#cfcdc4;
    --ink:           #26251e;
    --body:          #5a5852;
    --muted:         #807d72;
    --muted-soft:    #a09c92;
    --primary:       #f54e00;
    --primary-active:#d04200;
    --on-primary:    #ffffff;
    --success:       #1f8a65;
    --error:         #cf2d56;
    --radius-xs:     4px;
    --radius-sm:     6px;
    --radius-md:     8px;
    --radius-lg:     12px;
    --radius-xl:     16px;
    --radius-pill:   9999px;
}

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

body {
    background: var(--canvas);
    color: var(--body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

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

.nav-inner {
    display: flex;
    align-items: center;
    height: 64px;
    gap: 32px;
}

.site-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.11px;
    white-space: nowrap;
    flex-shrink: 0;
}

.primary-nav { margin-left: auto; }

.primary-nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

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

.primary-nav a:hover,
.primary-nav a.active { color: var(--ink); }

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

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

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    cursor: pointer;
    transition: background 0.15s;
    line-height: 1;
}

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

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

.btn-secondary:hover { border-color: var(--muted); }

.hero {
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--hairline);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content { max-width: 560px; }

.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: var(--radius-pill);
    padding: 4px 10px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 18px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 32px;
}

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

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

.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;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    margin-bottom: 40px;
}

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

.article-card {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--hairline-strong); }

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

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

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

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

.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.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: 1.5;
    flex: 1;
    margin-bottom: 20px;
}

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

.article-card-link:hover { color: var(--primary); border-color: var(--primary); }

.info-band {
    background: var(--card);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 64px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.info-item { padding: 0 16px; }

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

.info-item-title {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.11px;
    margin-bottom: 10px;
}

.info-item p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

.contact-band { padding: 80px 0; }

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

.contact-text h2 {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    margin-bottom: 16px;
}

.contact-text p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}

.contact-form {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.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(--card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    height: 44px;
    transition: border-color 0.15s;
}

.form-group textarea {
    height: auto;
    min-height: 110px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ink);
}

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

.form-msg {
    font-size: 14px;
    color: var(--success);
    margin-top: 12px;
    display: none;
}

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

.form-loading {
    font-size: 14px;
    color: var(--muted);
    margin-top: 12px;
    display: none;
}

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

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

.article-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}

.article-title {
    font-size: 48px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -1.2px;
    line-height: 1.1;
    margin-bottom: 20px;
    max-width: 800px;
}

.article-lead {
    font-size: 20px;
    color: var(--body);
    line-height: 1.55;
    max-width: 680px;
    margin-bottom: 32px;
}

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

.article-body {
    padding: 64px 0;
}

.article-content {
    max-width: 720px;
}

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

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 10px;
}

.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
    padding-left: 24px;
    margin-bottom: 18px;
    color: var(--body);
}

.article-content li {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 6px;
}

.article-content a {
    color: var(--ink);
    border-bottom: 1px solid var(--hairline);
}

.article-content a:hover { color: var(--primary); border-color: var(--primary); }

.article-content .note-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin: 28px 0;
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

.article-sidebar {
    position: sticky;
    top: 80px;
    padding-left: 40px;
}

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

.sidebar-box-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.sidebar-box ul { list-style: none; }

.sidebar-box li { margin-bottom: 10px; }

.sidebar-box a {
    font-size: 14px;
    color: var(--body);
}

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

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

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

.page-title {
    font-size: 48px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -1.2px;
    line-height: 1.1;
    margin-bottom: 16px;
}

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

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

.page-body h2 {
    font-size: 26px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.325px;
    margin: 36px 0 12px;
}

.page-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 8px;
}

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

.page-body ul,
.page-body ol {
    padding-left: 24px;
    margin-bottom: 16px;
    color: var(--body);
}

.page-body li {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 4px;
}

.page-body a { color: var(--ink); border-bottom: 1px solid var(--hairline); }
.page-body a:hover { color: var(--primary); border-color: var(--primary); }

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

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    display: block;
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

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

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 8px; }

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

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

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

.footer-bottom .container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

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

.footer-sep { color: var(--hairline-strong); }

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: min(680px, calc(100vw - 32px));
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 200;
    box-shadow: 0 4px 24px rgba(38,37,30,0.18);
    flex-wrap: wrap;
}

.cookie-banner.hidden { display: none; }

.cookie-banner p {
    flex: 1;
    font-size: 14px;
    color: var(--canvas);
    line-height: 1.5;
    min-width: 200px;
}

.cookie-banner a { color: var(--canvas); border-bottom: 1px solid rgba(247,247,244,0.4); }

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

.cookie-actions .btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    height: 36px;
    padding: 8px 16px;
}

.cookie-actions .btn-secondary {
    background: transparent;
    color: var(--canvas);
    border: 1px solid rgba(247,247,244,0.4);
    height: 36px;
    padding: 8px 16px;
}

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

@media (max-width: 1024px) {
    .hero-title { font-size: 38px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; padding-left: 0; }
    .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .primary-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px 24px;
    }
    .primary-nav.open { display: block; }
    .primary-nav ul { flex-direction: column; gap: 0; }
    .primary-nav li { border-bottom: 1px solid var(--hairline-soft); }
    .primary-nav a { display: block; padding: 12px 0; font-size: 15px; }
    .site-header { position: relative; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-image-wrap { display: none; }
    .hero-title { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .section-title { font-size: 28px; }
    .articles-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .article-title { font-size: 32px; }
    .page-title { font-size: 32px; }
    .cookie-banner { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .section-title { font-size: 24px; }
}