:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
}

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

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

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

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

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

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

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-brand { display: flex; align-items: center; flex-shrink: 0; }
.nav-brand-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.nav-menu > li > a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu > li > a:hover { color: var(--ink); background: var(--surface-strong); }
.nav-menu > li.active > a { color: var(--ink); }

.nav-arrow { font-size: 10px; }

.nav-dropdown { position: relative; }
.nav-submenu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 220px;
    display: none;
    z-index: 200;
    box-shadow: 0 4px 16px rgba(38,37,30,0.08);
}

.nav-dropdown:hover .nav-submenu,
.nav-dropdown.open .nav-submenu { display: block; }

.nav-submenu li a {
    display: block;
    font-size: 14px;
    color: var(--body);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}

.nav-submenu li a:hover { color: var(--ink); background: var(--canvas-soft); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    border: none;
    background: none;
    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;
}

/* ── HERO ── */
.hero {
    padding: 80px 0 72px;
    border-bottom: 1px solid var(--hairline);
}

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

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

.hero h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 400;
    color: var(--ink);
    line-height: 1.1;
    letter-spacing: -1.5px;
    max-width: 700px;
    margin-bottom: 20px;
}

.hero-lead {
    font-size: 18px;
    color: var(--body);
    max-width: 540px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-image {
    margin-top: 56px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    max-height: 400px;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
}

/* ── SECTION TITLES ── */
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.section-title {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--body);
    max-width: 540px;
    margin-bottom: 40px;
}

/* ── ARTICLE CARDS (INDEX) ── */
.articles-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--hairline);
}

.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: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s;
    display: flex;
    flex-direction: column;
}

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

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

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

.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: 12px;
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 20px;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--hairline-soft);
    padding-top: 16px;
    margin-top: auto;
}

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

.read-more {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s;
}

.read-more:hover { color: var(--primary-active); }
.read-more::after { content: '→'; }

/* ── INTRO SECTION ── */
.intro-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--hairline);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.intro-text h2 {
    font-size: 28px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.3px;
    line-height: 1.3;
    margin-bottom: 16px;
}

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

.intro-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.intro-list-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
}

.intro-list-icon {
    width: 36px;
    height: 36px;
    background: var(--surface-strong);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.intro-list-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 4px;
}

.intro-list-item p {
    font-size: 13px;
    color: var(--body);
    margin: 0;
}

/* ── ARTICLE PAGE ── */
.article-header {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.article-header-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 24px;
}

.breadcrumb a { color: var(--muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--muted-soft); }

.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);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 400;
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.8px;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--muted);
}

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

.article-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
}

.article-body { min-width: 0; }

.article-cover {
    width: 100%;
    max-height: 440px;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
    border: 1px solid var(--hairline);
    margin-bottom: 40px;
}

.article-cover-caption {
    font-size: 13px;
    color: var(--muted);
    margin-top: -32px;
    margin-bottom: 40px;
    padding: 8px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--ink);
    margin: 40px 0 16px;
    letter-spacing: -0.2px;
}

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}

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

.article-content ul,
.article-content ol {
    padding-left: 0;
    margin-bottom: 18px;
}

.article-content ul li,
.article-content ol li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    padding: 6px 0 6px 24px;
    position: relative;
    border-bottom: 1px solid var(--hairline-soft);
}

.article-content ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--muted);
}

.article-content ol {
    counter-reset: list-counter;
}

.article-content ol li {
    counter-increment: list-counter;
}

.article-content ol li::before {
    content: counter(list-counter) '.';
    position: absolute;
    left: 0;
    color: var(--muted);
    font-weight: 600;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

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

.article-infobox {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin: 32px 0;
}

.article-infobox h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-infobox p,
.article-infobox ul li {
    font-size: 14px;
    color: var(--body);
    margin: 0;
}

.article-updated {
    font-size: 13px;
    color: var(--muted);
    padding: 16px 0;
    border-top: 1px solid var(--hairline);
    margin-top: 40px;
}

/* ── SIDEBAR ── */
.article-sidebar { position: sticky; top: 80px; }

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

.sidebar-block h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
}

.sidebar-links li {
    border-bottom: 1px solid var(--hairline-soft);
}

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

.sidebar-links a {
    display: block;
    font-size: 14px;
    color: var(--body);
    padding: 10px 0;
    transition: color 0.15s;
    line-height: 1.4;
}

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

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

.contact-inner {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
}

.contact-inner .section-title { margin-bottom: 8px; }

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    color: var(--ink);
    transition: border-color 0.15s;
    outline: none;
}

.form-control:focus { border-color: var(--ink); }
.form-control::placeholder { color: var(--muted-soft); }

textarea.form-control {
    height: 120px;
    padding: 12px 16px;
    resize: vertical;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    background: var(--ink);
    color: var(--canvas);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s;
}

.btn-primary:hover { background: var(--body-strong); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.form-message {
    display: none;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-top: 16px;
}

.form-message.success {
    background: #e8f5f0;
    color: var(--success);
    border: 1px solid #b8e0d4;
}

.form-message.error {
    background: #fdeef2;
    color: var(--error);
    border: 1px solid #f5b8c8;
}

/* ── STATIC PAGES ── */
.page-header {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-header-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-header h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.8px;
    margin-bottom: 12px;
}

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

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.page-content h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 36px 0 12px;
    letter-spacing: -0.1px;
}

.page-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 10px;
}

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

.page-content ul {
    margin-bottom: 16px;
}

.page-content ul li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    padding: 4px 0 4px 24px;
    position: relative;
}

.page-content ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--muted);
}

.page-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--hairline);
}

.footer-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    display: block;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    max-width: 300px;
    line-height: 1.5;
}

.footer-nav {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 16px;
}

.footer-col li { margin-bottom: 10px; }

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

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.footer-disclaimer { font-size: 12px; color: var(--muted-soft); }

/* ── COOKIE BANNER ── */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.visible { transform: translateY(0); }

.cookie-text {
    font-size: 14px;
    line-height: 1.5;
    max-width: 600px;
}

.cookie-text a { color: #f7f7f4; text-decoration: underline; }

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

.btn-cookie-accept {
    height: 40px;
    padding: 0 18px;
    background: var(--primary);
    color: var(--on-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

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

.btn-cookie-reject {
    height: 40px;
    padding: 0 18px;
    background: transparent;
    color: var(--canvas);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(247,247,244,0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.15s;
    white-space: nowrap;
}

.btn-cookie-reject:hover { border-color: rgba(247,247,244,0.6); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; gap: 40px; }
    .article-sidebar { position: static; }
    .intro-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-nav { gap: 40px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0;
    }

    .nav-menu.open { display: flex; }
    .nav-menu > li > a { padding: 10px 24px; border-radius: 0; }

    .nav-submenu {
        position: static;
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 0 0 0 24px;
        background: var(--canvas-soft);
        display: block;
        display: none;
    }

    .nav-dropdown.open .nav-submenu { display: block; }

    .articles-grid { grid-template-columns: 1fr; }

    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-nav { flex-direction: column; gap: 24px; }

    .hero h1 { letter-spacing: -0.8px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero { padding: 48px 0; }
    .hero-inner { padding: 0 16px; }
    .articles-section { padding: 48px 0; }
    .contact-section { padding: 48px 0; }
    .article-layout { padding: 32px 16px 48px; }
}