@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&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;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-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;
  -webkit-font-smoothing: antialiased;
}

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

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;
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
}

.nav-brand 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(--ink);
  line-height: 1.4;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--primary); }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: all 0.2s;
}

/* HERO */
.hero-band {
  background: var(--canvas);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--hairline);
}

.hero-band .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content {}

.hero-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(--radius-pill);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: 48px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 0;
  max-width: 460px;
}

.hero-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--surface-card);
}

.hero-image-wrap img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

/* SECTION */
.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }
.section-border { border-top: 1px solid var(--hairline); }

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

.section-headline {
  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);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ARTICLE CARDS GRID */
.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;
}

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

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

.article-card-body {
  padding: 20px 24px 24px;
}

.article-card-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  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: 1.55;
  margin-bottom: 16px;
}

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

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

.article-header .container {
  max-width: 800px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

.article-category-tag {
  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(--radius-pill);
  margin-bottom: 16px;
}

.article-title {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article-lead {
  font-size: 18px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 24px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--muted);
}

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

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px 0 80px;
  max-width: 1100px;
  margin: 0 auto;
}

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

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

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

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 32px 0 12px;
}

.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  letter-spacing: 0.08px;
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.article-body li { margin-bottom: 6px; }

.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 28px 0;
  background: var(--canvas-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 16px;
  color: var(--body-strong);
  font-style: italic;
}

.info-box {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 28px 0;
}

.info-box-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.info-box p { margin-bottom: 0; font-size: 14px; }

.article-sidebar {}

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

.sidebar-card-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}

.sidebar-article-list {
  list-style: none;
}

.sidebar-article-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

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

.sidebar-article-list a {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.4;
  font-weight: 500;
}

.sidebar-article-list a:hover { color: var(--primary); }

/* CONTACT FORM */
.form-group { margin-bottom: 20px; }

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

.form-control {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 16px;
  color: var(--ink);
  font-family: inherit;
  height: 44px;
  transition: border-color 0.15s;
  outline: none;
}

.form-control:focus { border-color: var(--primary); }

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

textarea.form-control {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: border-color 0.15s;
  font-family: inherit;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

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

.form-message {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-top: 16px;
}

.form-message.success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: var(--success);
  display: block;
}

.form-message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--error);
  display: block;
}

.field-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.field-error.visible { display: block; }

/* 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;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-brand-name span { color: var(--primary); }

.footer-brand-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-links 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);
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 520px;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(38,37,30,0.10);
  display: none;
}

.cookie-banner.visible { display: block; }

.cookie-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.cookie-text {
  font-size: 13px;
  color: var(--body);
  line-height: 1.55;
  margin-bottom: 16px;
}

.cookie-text a { color: var(--primary); font-size: 13px; }

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

/* PAGE CONTENT (about, privacy, terms) */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}

.page-title {
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  margin-bottom: 12px;
}

.page-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
}

.page-content {
  padding: 56px 0 80px;
  max-width: 720px;
}

.page-content h2 {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.24px;
  margin: 40px 0 14px;
}

.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 10px;
}

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

.page-content ul, .page-content ol {
  margin: 0 0 18px 24px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.page-content li { margin-bottom: 6px; }

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

/* UTILITIES */
.divider { border: none; border-top: 1px solid var(--hairline); margin: 0; }

.text-muted { color: var(--muted); }
.text-ink { color: var(--ink); }

.mt-0 { margin-top: 0; }

.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(--radius-lg);
  padding: 24px;
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 14px;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-band .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-headline { font-size: 40px; }
  .hero-image-wrap { max-width: 600px; }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: block; }
  .hero-headline { font-size: 32px; }
  .section-headline { font-size: 28px; }
  .article-title { font-size: 28px; }
  .section { padding: 56px 0; }
  .hero-band { padding: 56px 0 48px; }
  .articles-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .article-sidebar { grid-template-columns: 1fr; }
  .cookie-banner { left: 12px; right: 12px; bottom: 12px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero-headline { font-size: 28px; letter-spacing: -0.5px; }
  .page-title { font-size: 28px; }
}