@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;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --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;
}

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

body {
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  background: var(--canvas);
  color: var(--body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; display: block; }

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

.section { padding: 80px 0; }
.section--soft { background: var(--canvas-soft); }

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

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

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-nav__logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.site-nav__logo span { color: var(--primary); }

.site-nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}

.site-nav__links a:hover,
.site-nav__links a.active { color: var(--ink); }

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

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

.site-nav__mobile {
  display: none;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 24px 20px;
}

.site-nav__mobile.open { display: block; }

.site-nav__mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-nav__mobile a {
  font-size: 15px;
  font-weight: 500;
  color: var(--body);
}

/* HERO */
.hero {
  padding: 80px 0 80px;
  background: var(--canvas);
}

.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: 9999px;
  margin-bottom: 24px;
}

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

.hero__sub {
  font-size: 18px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero__img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.hero__img img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.btn--primary {
  background: var(--primary);
  color: var(--on-primary);
  padding: 10px 18px;
  height: 40px;
}

.btn--primary:hover { background: var(--primary-active); color: var(--on-primary); }

.btn--secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  padding: 10px 18px;
  height: 40px;
}

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

.btn--ink {
  background: var(--ink);
  color: var(--canvas);
  padding: 12px 20px;
  height: 44px;
}

.btn--ink:hover { background: #3a3930; color: var(--canvas); }

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

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

.card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 12px;
}

.card__body {
  font-size: 15px;
  color: var(--body);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-top: 16px;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
  transition: border-color 0.15s;
}

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

/* ARTICLE CARD */
.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.article-card__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.article-card__meta {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.article-card__title {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.2px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.article-card__excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  flex: 1;
}

.article-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
  width: fit-content;
  transition: border-color 0.15s;
}

.article-card__link:hover { border-color: var(--ink); }

/* GRIDS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* SECTION LABELS */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
}

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

/* ARTICLE PAGE */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.article-main h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.9px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article-main .article-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  display: flex;
  gap: 16px;
}

.article-main .article-hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  margin-bottom: 40px;
  height: 400px;
  object-fit: cover;
}

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

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 12px;
}

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

.article-content ul,
.article-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
}

.article-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}

.article-content a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 0.15s;
}

.article-content a:hover { border-color: var(--ink); }

.article-content .note {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
  color: var(--body);
}

.article-sidebar { position: sticky; top: 80px; }

.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: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-card ul { list-style: none; }
.sidebar-card li { margin-bottom: 12px; }
.sidebar-card a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.sidebar-card a:hover { color: var(--ink); border-color: var(--hairline-strong); }

/* BREADCRUMBS */
.breadcrumbs {
  padding: 16px 0;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 0;
}
.breadcrumbs a { color: var(--muted); border-bottom: 1px solid transparent; }
.breadcrumbs a:hover { color: var(--ink); border-color: var(--hairline-strong); }
.breadcrumbs__sep { color: var(--hairline-strong); }
.breadcrumbs__current { color: var(--body); }

/* CONTACT FORM */
.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);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.15s;
  outline: none;
}

.form-group input { height: 44px; }
.form-group textarea { height: 120px; 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(--error); }

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

.form-msg--success {
  background: #edf7f3;
  color: var(--success);
  border: 1px solid #b3ddd0;
}

.form-msg--loading {
  background: var(--canvas-soft);
  color: var(--muted);
  border: 1px solid var(--hairline);
}

/* PAGE CONTENT */
.page-header {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 60px;
}

.page-header__title {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.9px;
  margin-bottom: 12px;
}

.page-header__sub {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
}

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

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

.page-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 760px;
}

.page-content ul,
.page-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
  max-width: 720px;
}

.page-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}

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

.page-content a:hover { border-color: var(--ink); }

/* FOOTER */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.site-footer__brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.site-footer__brand span { color: var(--primary); }

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

.site-footer__col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

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

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

.site-footer__links a:hover { color: var(--ink); }

.site-footer__bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer__copy {
  font-size: 13px;
  color: var(--muted);
}

.site-footer__legal {
  display: flex;
  gap: 20px;
  list-style: none;
}

.site-footer__legal a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}

.site-footer__legal a:hover { color: var(--body); }

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  z-index: 999;
  display: none;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}

.cookie-banner.visible { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }

.cookie-banner__text {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--canvas-soft);
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--canvas);
  border-bottom: 1px solid rgba(247,247,244,0.4);
}

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

.cookie-banner .btn--accept {
  background: var(--primary);
  color: var(--on-primary);
  padding: 8px 16px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.cookie-banner .btn--reject {
  background: transparent;
  color: var(--canvas-soft);
  padding: 8px 14px;
  height: 36px;
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

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

/* ABOUT PAGE FEATURES */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero__title { font-size: 44px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .site-footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero__title { font-size: 34px; letter-spacing: -0.5px; }
  .hero__sub { font-size: 16px; }
  .hero__img img { height: 260px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .site-nav__links { display: none; }
  .site-nav__hamburger { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .article-main h1 { font-size: 28px; }
  .page-header__title { font-size: 28px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 56px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .cookie-banner { bottom: 0; left: 0; right: 0; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}