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

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;
}

/* ── TOP NAV ── */
.site-nav {
    background: 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: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}

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

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

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

.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 16px 24px;
    gap: 4px;
}

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

.nav-mobile a {
    font-size: 15px;
    font-weight: 500;
    color: var(--body);
    padding: 10px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.nav-mobile a:last-child { border-bottom: none; }

/* ── HERO ── */
.hero {
    padding: 80px 0 80px;
    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: var(--surface-strong);
    border-radius: var(--rounded-pill);
    padding: 4px 10px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 18px;
    line-height: 1.55;
    color: var(--body);
    max-width: 580px;
    margin-bottom: 0;
}

/* ── SECTION TITLES ── */
.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;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

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

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

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    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);
    background: var(--surface-strong);
    border-radius: var(--rounded-pill);
    padding: 3px 8px;
    display: inline-block;
    margin-bottom: 12px;
}

.article-card h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: 10px;
}

.article-card p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body);
    margin-bottom: 16px;
}

.article-card-meta {
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--hairline-soft);
    padding-top: 12px;
}

.read-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 1px;
    transition: color 0.15s, border-color 0.15s;
}

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

/* ── INFO BANDS ── */
.info-band {
    padding: 80px 0;
    border-bottom: 1px solid var(--hairline);
}

.info-band-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-top: 48px;
}

.info-band-grid.reverse { direction: rtl; }
.info-band-grid.reverse > * { direction: ltr; }

.info-band-img {
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.info-band-text h2 {
    font-size: 30px;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin-bottom: 16px;
}

.info-band-text p {
    font-size: 16px;
    line-height: 1.55;
    color: var(--body);
    margin-bottom: 16px;
}

.info-band-text p:last-child { margin-bottom: 0; }

/* ── FEATURE CARDS ── */
.features-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--hairline);
    background: var(--canvas-soft);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

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

.feature-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--rounded-md);
    background: var(--surface-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 18px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.4;
}

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

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

.article-hero h1 {
    font-size: 42px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.8px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

.article-hero-meta {
    font-size: 14px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.article-hero-meta span { display: flex; align-items: center; gap: 6px; }

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    padding: 64px 0;
    align-items: start;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 16px;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--ink);
    margin: 28px 0 12px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--body);
    margin-bottom: 20px;
}

.article-content ul, .article-content ol {
    margin: 16px 0 20px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.65;
}

.article-content li { margin-bottom: 8px; }

.article-content img {
    width: 100%;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    margin: 32px 0;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.4;
    margin-top: -24px;
    margin-bottom: 32px;
    padding: 0 4px;
}

.article-content .highlight-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 28px 0;
}

.article-content .highlight-box p { margin-bottom: 0; font-size: 15px; }

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
}

.article-content th {
    text-align: left;
    padding: 10px 14px;
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    border: 1px solid var(--hairline);
}

.article-content td {
    padding: 10px 14px;
    border: 1px solid var(--hairline);
    color: var(--body);
    vertical-align: top;
}

.article-content tr:nth-child(even) td { background: var(--canvas-soft); }

.article-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 20px;
}

.sidebar-card h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

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

.sidebar-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--hairline-soft);
    font-size: 14px;
}

.sidebar-card ul li:last-child { border-bottom: none; padding-bottom: 0; }

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

.sidebar-card p { font-size: 14px; line-height: 1.55; color: var(--body); }

.article-sources {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--hairline);
}

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

.article-sources ol {
    margin: 0;
    padding-left: 20px;
    color: var(--body);
    font-size: 14px;
    line-height: 1.6;
}

.article-sources ol li { margin-bottom: 8px; }
.article-sources a { color: var(--body); border-bottom: 1px solid var(--hairline-strong); }
.article-sources a:hover { color: var(--primary); border-color: var(--primary); }

/* ── PAGE CONTENT ── */
.page-hero {
    padding: 64px 0 40px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.8px;
    color: var(--ink);
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 16px;
    line-height: 1.55;
    color: var(--body);
    max-width: 560px;
}

.page-content {
    padding: 64px 0 80px;
    max-width: 760px;
}

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

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 10px;
}

.page-content p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--body);
    margin-bottom: 16px;
}

.page-content ul, .page-content ol {
    margin: 12px 0 16px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.65;
}

.page-content li { margin-bottom: 8px; }

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

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

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

.contact-info h2 {
    font-size: 30px;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin-bottom: 16px;
}

.contact-info p { font-size: 15px; line-height: 1.6; color: var(--body); margin-bottom: 12px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }

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

.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: var(--rounded-md);
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
    width: 100%;
}

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

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

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

.form-error-msg {
    font-size: 13px;
    color: var(--semantic-error);
    display: none;
}

.form-group.has-error .form-error-msg { display: block; }

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

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

.form-success {
    display: none;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--semantic-success);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 15px;
    color: var(--body);
}

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

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

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 8px; }

/* ── FOOTER ── */
.site-footer {
    background: 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: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.55;
    color: var(--body);
    margin-top: 10px;
    max-width: 280px;
}

.footer-col h5 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--ink);
    margin-bottom: 14px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

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

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid var(--hairline);
    font-size: 13px;
    color: var(--muted);
    flex-wrap: wrap;
    gap: 12px;
}

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

/* ── COOKIE BANNER ── */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 9999;
    display: none;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.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-text {
    font-size: 14px;
    line-height: 1.5;
    color: rgba(247,247,244,0.85);
    max-width: 700px;
}

.cookie-text a { color: rgba(247,247,244,0.85); border-bottom: 1px solid rgba(247,247,244,0.3); }

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

.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    height: 36px;
}

.btn-cookie-reject {
    background: transparent;
    color: rgba(247,247,244,0.7);
    border: 1px solid rgba(247,247,244,0.25);
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    height: 36px;
}

/* ── DISCLAIMER ── */
.disclaimer-band {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    padding: 20px 0;
}

.disclaimer-band p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    text-align: center;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .info-band-grid { grid-template-columns: 1fr; gap: 32px; }
    .info-band-grid.reverse { direction: ltr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
    .section-title { font-size: 28px; }
    .articles-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-hero h1 { font-size: 30px; }
    .page-hero h1 { font-size: 30px; }
    .info-band { padding: 48px 0; }
    .articles-section, .features-section, .contact-section { padding: 48px 0; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}