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

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

/* NAV */
.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.nav-brand span { color: var(--primary); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body-strong);
}
.nav-links a:hover { color: var(--primary); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 6px;
}
.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;
  border-bottom: 1px solid var(--hairline);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.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(--r-pill);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  margin-bottom: 20px;
}
.hero p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
}
.hero-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 4/3;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* SECTION HEADINGS */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
h2.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 16px;
}
h3.sub-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 12px;
}

/* ARTICLE CARD GRID */
.articles-section { padding: 80px 0; }
.articles-section .section-head { margin-bottom: 40px; }
.article-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;
  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; }
.article-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.article-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
}
.article-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}
.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
  display: inline-block;
}
.card-link:hover { color: var(--primary); border-color: var(--primary); }

/* TIPS SECTION */
.tips-section { padding: 80px 0; background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.tip-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
}
.tip-card h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.tip-card p { font-size: 14px; color: var(--body); line-height: 1.5; }

/* CONTACT FORM */
.contact-section { padding: 80px 0; }
.contact-inner { max-width: 640px; }
.contact-inner p { font-size: 16px; color: var(--body); margin-bottom: 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(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }
.form-group input.invalid,
.form-group textarea.invalid { border-color: var(--error); }
.field-error { font-size: 13px; color: var(--error); margin-top: 4px; display: none; }
.field-error.visible { display: block; }
.form-group textarea { height: 140px; resize: vertical; }

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  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;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  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;
  transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: var(--ink); }
.form-feedback { margin-top: 16px; font-size: 14px; display: none; }
.form-feedback.success { color: var(--success); display: block; }
.form-feedback.error-msg { color: var(--error); display: block; }

/* 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: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p { font-size: 14px; color: var(--body); margin-top: 12px; line-height: 1.5; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 14px; letter-spacing: 0.3px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 14px; color: var(--body); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-col ul li:not(:has(a)) { font-size: 14px; color: var(--muted); }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  z-index: 999;
  padding: 16px 24px;
}
.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-soft); }
.cookie-inner a { color: var(--canvas); border-bottom: 1px solid rgba(255,255,255,0.4); }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
#cookie-reject {
  background: transparent;
  color: var(--canvas-soft);
  border-color: rgba(255,255,255,0.3);
}
#cookie-reject:hover { border-color: var(--canvas); }

/* ARTICLE PAGE */
.article-header { padding: 60px 0 40px; border-bottom: 1px solid var(--hairline); }
.article-header .breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.article-header .breadcrumb a { color: var(--muted); }
.article-header .breadcrumb a:hover { color: var(--primary); }
.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--ink);
  max-width: 760px;
  margin-bottom: 20px;
}
.article-meta { font-size: 13px; color: var(--muted); }
.article-meta span { margin-right: 16px; }
.article-body { padding: 48px 0 80px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 64px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.article-content h2 { font-size: 26px; font-weight: 400; letter-spacing: -0.3px; color: var(--ink); margin: 36px 0 14px; }
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 28px 0 10px; }
.article-content p { font-size: 16px; line-height: 1.65; color: var(--body); margin-bottom: 20px; }
.article-content ul, .article-content ol { padding-left: 20px; margin-bottom: 20px; }
.article-content li { font-size: 16px; line-height: 1.65; color: var(--body); margin-bottom: 6px; }
.article-content img { border-radius: var(--r-lg); border: 1px solid var(--hairline); margin: 32px 0; }
.article-content a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.article-content a:hover { color: var(--primary); border-color: var(--primary); }
.article-content .callout {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15px;
  color: var(--body-strong);
}
.article-sidebar { padding-top: 4px; }
.sidebar-widget { margin-bottom: 32px; }
.sidebar-widget h4 { font-size: 13px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.sidebar-widget ul { list-style: none; }
.sidebar-widget ul li { border-top: 1px solid var(--hairline); padding: 10px 0; font-size: 14px; }
.sidebar-widget ul li a { color: var(--body-strong); }
.sidebar-widget ul li a:hover { color: var(--primary); }

/* STATIC PAGES */
.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--hairline); }
.page-header h1 { font-size: 42px; font-weight: 400; letter-spacing: -1px; color: var(--ink); }
.page-body { padding: 48px 0 80px; max-width: 760px; }
.page-body h2 { font-size: 22px; font-weight: 400; color: var(--ink); margin: 32px 0 12px; }
.page-body p { font-size: 16px; line-height: 1.65; color: var(--body); margin-bottom: 18px; }
.page-body ul { padding-left: 20px; margin-bottom: 18px; }
.page-body li { font-size: 16px; line-height: 1.65; color: var(--body); margin-bottom: 6px; }
.page-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-body a:hover { color: var(--primary); }
.page-updated { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* 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); max-width: 900px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 40px; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .tips-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { display: none; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 32px; }
  h2.section-title { font-size: 26px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    margin: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 24px; font-size: 15px; }
  .site-nav { position: relative; }
}
@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .article-header h1, .page-header h1 { font-size: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}