@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;
  --success:        #1f8a65;
  --error:          #cf2d56;
  --r-xs: 4px; --r-sm: 6px; --r-md: 8px; --r-lg: 12px; --r-xl: 16px; --r-pill: 9999px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif; background: var(--canvas); color: var(--body); font-size: 16px; line-height: 1.5; }

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

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

h1, h2, h3, h4 { color: var(--ink); font-weight: 400; line-height: 1.2; }
h1 { font-size: 2.25rem; letter-spacing: -0.045rem; }
h2 { font-size: 1.625rem; letter-spacing: -0.02rem; }
h3 { font-size: 1.375rem; letter-spacing: -0.01rem; }
h4 { font-size: 1.125rem; font-weight: 600; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.375rem; }

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

.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: var(--r-md); border: none; cursor: pointer; line-height: 1;
  transition: background .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: var(--r-md); border: 1px solid var(--hairline-strong); cursor: pointer; line-height: 1;
  transition: border-color .15s;
}
.btn-secondary:hover { border-color: var(--muted); }

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

.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--canvas); border-bottom: 1px solid var(--hairline);
  height: 64px;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; height: 64px; gap: 32px;
}
.nav-brand { font-size: 16px; font-weight: 600; color: var(--ink); flex-shrink: 0; }
.nav-brand span { color: var(--primary); }
.nav-menu { list-style: none; display: flex; gap: 8px; margin: 0; padding: 0; margin-left: auto; }
.nav-menu > li { position: relative; }
.nav-menu > li > a,
.nav-dropdown-toggle {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 500; color: var(--ink);
  padding: 6px 10px; border-radius: var(--r-sm); background: none; border: none; cursor: pointer;
  transition: background .12s, color .12s;
}
.nav-menu > li > a:hover,
.nav-dropdown-toggle:hover { background: var(--surface-strong); color: var(--ink); }

.nav-dropdown {
  display: none; position: absolute; top: calc(100% + 4px); left: 0;
  min-width: 220px; background: var(--surface-card);
  border: 1px solid var(--hairline); border-radius: var(--r-lg);
  padding: 6px; list-style: none; box-shadow: 0 4px 12px rgba(38,37,30,.06);
}
.nav-has-dropdown.open .nav-dropdown { display: block; }
.nav-dropdown li a {
  display: block; padding: 8px 12px; font-size: 14px; color: var(--body);
  border-radius: var(--r-sm); transition: background .1s;
}
.nav-dropdown li a:hover { background: var(--canvas); color: var(--ink); }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .2s; }

.hero {
  background: var(--canvas); 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 { }
.hero-label { margin-bottom: 16px; }
.hero-title { font-size: clamp(2rem, 4vw, 2.75rem); letter-spacing: -0.06rem; margin-bottom: 20px; color: var(--ink); font-weight: 400; }
.hero-title span { color: var(--primary); }
.hero-desc { font-size: 16px; color: var(--body); margin-bottom: 32px; max-width: 480px; line-height: 1.6; }
.hero-image { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--hairline); }
.hero-image img { width: 100%; height: 340px; object-fit: cover; }

.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }
.section-label { margin-bottom: 12px; }
.section-title { font-size: 1.625rem; letter-spacing: -0.02rem; margin-bottom: 16px; color: var(--ink); }
.section-desc { color: var(--body); max-width: 560px; margin-bottom: 40px; }

.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(--r-lg); overflow: hidden;
  transition: border-color .15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card-img { height: 180px; overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.article-card:hover .article-card-img img { transform: scale(1.03); }
.article-card-body { padding: 20px; }
.article-card-body .badge { margin-bottom: 10px; }
.article-card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--ink); line-height: 1.4; }
.article-card-body p { font-size: 14px; color: var(--body); margin-bottom: 12px; }
.article-card-body .article-meta { font-size: 12px; color: var(--muted); }

.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.info-card {
  background: var(--surface-card); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 24px;
}
.info-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.info-card p { font-size: 14px; color: var(--body); }

.contact-section { background: var(--canvas-soft); border-top: 1px solid var(--hairline); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--body); margin-bottom: 20px; }
.contact-form { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 32px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.form-row input,
.form-row textarea {
  width: 100%; background: var(--surface-card); color: var(--ink);
  border: 1px solid var(--hairline-strong); border-radius: var(--r-md);
  padding: 12px 16px; font-size: 15px; font-family: inherit;
  transition: border-color .15s;
}
.form-row input:focus,
.form-row textarea:focus { outline: none; border-color: var(--ink); }
.form-row textarea { resize: vertical; min-height: 100px; }
.form-row input.error-field,
.form-row textarea.error-field { border-color: var(--error); }
.form-error { font-size: 12px; color: var(--error); margin-top: 4px; display: none; }
.form-error.visible { display: block; }
.form-status { margin-top: 16px; padding: 12px 16px; border-radius: var(--r-md); font-size: 14px; display: none; }
.form-status.success { display: block; background: #e8f5f0; color: var(--success); border: 1px solid var(--success); }
.form-status.loading { display: block; background: var(--canvas-soft); color: var(--muted); border: 1px solid var(--hairline); }

.article-hero {
  background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 60px 0 0;
}
.article-hero-inner { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.article-hero h1 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); letter-spacing: -0.04rem; margin-bottom: 16px; }
.article-hero .article-meta-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 32px; }
.article-featured-img { width: 100%; height: 360px; object-fit: cover; border-radius: var(--r-lg) var(--r-lg) 0 0; border: 1px solid var(--hairline); border-bottom: none; }

.article-layout { max-width: 800px; margin: 0 auto; padding: 48px 24px 80px; }
.article-body h2 { font-size: 1.5rem; margin: 40px 0 12px; }
.article-body h3 { font-size: 1.2rem; font-weight: 600; margin: 28px 0 10px; }
.article-body p { color: var(--body); margin-bottom: 1rem; line-height: 1.7; }
.article-body ul, .article-body ol { color: var(--body); margin-bottom: 1rem; }
.article-body li { line-height: 1.7; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--primary-active); }

.callout {
  border-left: 3px solid var(--primary); background: var(--surface-card);
  border-radius: 0 var(--r-md) var(--r-md) 0; padding: 16px 20px; margin: 24px 0;
}
.callout p { color: var(--body-strong); font-size: 15px; }

.sources { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--hairline); }
.sources h3 { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.sources ol { font-size: 13px; color: var(--muted); }
.sources ol li { margin-bottom: 6px; }
.sources ol a { color: var(--primary); }

.related-articles { background: var(--canvas-soft); border-top: 1px solid var(--hairline); padding: 48px 0; }
.related-inner { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.related-inner h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 20px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.related-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 16px 20px; transition: border-color .15s; }
.related-card:hover { border-color: var(--hairline-strong); }
.related-card h4 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 6px; line-height: 1.4; }
.related-card p { font-size: 13px; color: var(--muted); }

.page-hero { padding: 60px 0 48px; border-bottom: 1px solid var(--hairline); }
.page-hero-inner { max-width: 760px; }
.page-body { max-width: 760px; padding: 48px 0 80px; }
.page-body h2 { font-size: 1.375rem; margin: 32px 0 10px; }
.page-body p { color: var(--body); line-height: 1.7; margin-bottom: 1rem; }
.page-body ul { color: var(--body); margin-bottom: 1rem; }
.page-body li { line-height: 1.7; }

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

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 24px 48px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--hairline); }
.footer-brand .footer-logo { font-size: 15px; font-weight: 600; color: var(--ink); display: inline-block; margin-bottom: 10px; }
.footer-brand .footer-logo span { color: var(--primary); }
.footer-brand p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.footer-col h4 { font-size: 13px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 14px; color: var(--body); transition: color .12s; }
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; font-size: 13px; color: var(--muted); display: flex; gap: 24px; flex-wrap: wrap; }

.cookie-banner {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: var(--ink); color: var(--canvas); padding: 16px 24px;
  border-top: 2px solid var(--primary);
}
.cookie-banner.visible { display: block; }
.cookie-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.cookie-inner p { font-size: 14px; flex: 1; color: var(--canvas); }
.cookie-inner p a { color: var(--primary); text-decoration: underline; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
#cookie-accept { background: var(--primary); color: var(--on-primary); border: none; padding: 8px 16px; border-radius: var(--r-md); font-size: 14px; font-weight: 500; cursor: pointer; }
#cookie-accept:hover { background: var(--primary-active); }
#cookie-reject { background: transparent; color: var(--canvas); border: 1px solid rgba(247,247,244,.3); padding: 8px 16px; border-radius: var(--r-md); font-size: 14px; cursor: pointer; }
#cookie-reject:hover { border-color: rgba(247,247,244,.6); }

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .info-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 12px 16px 16px; gap: 2px; }
  .nav-menu.open { display: flex; }
  .nav-has-dropdown.open .nav-dropdown { position: static; border: none; box-shadow: none; padding: 4px 0 4px 12px; }
  .nav-hamburger { display: flex; }
  .articles-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  h1 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .hero { padding: 48px 0 40px; }
  .section { padding: 48px 0; }
  .article-hero { padding: 40px 0 0; }
  .article-featured-img { height: 220px; }
}