@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=Russo+One&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg: #fafaf8;
  --c-mid: #4a4a4a;
  --c-ink: #1a1a1a;
  --c-ink-light: #2e2e2e;
  --c-accent: #1a1a1a;
  --c-rule: rgba(26,26,26,0.15);
  --c-paper: #f0ede6;
  --font-display: 'Russo One', 'Chakra Petch', sans-serif;
  --font-body: 'Chakra Petch', 'PingFang SC', 'Noto Sans SC', system-ui, sans-serif;
  --radius-card: 18px;
  --nav-h-brand: 60px;
  --nav-h-menu: 48px;
  --nav-total: 108px;
  --scroll-top: var(--nav-total);
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
  line-height: 1.6;
  background: var(--c-bg);
  color: var(--c-ink);
}

body {
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--c-bg);
  position: relative;
}

/* Paper texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.5;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ol, ul { list-style: none; }

/* ── Scroll offset for anchors ── */
section[id] { scroll-margin-top: calc(var(--scroll-top) + 16px); }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--c-ink);
  border-bottom: 2px solid rgba(250,250,248,0.08);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h-brand);
  padding: 0 24px;
  border-bottom: 1px solid rgba(250,250,248,0.06);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-link { display: flex; align-items: center; }
.brand-logo-img { width: 36px; height: 36px; object-fit: contain; border-radius: 4px; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--c-bg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 20px;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 3px;
  transform: rotate(-0.5deg);
  transition: none;
  outline: 2px solid var(--c-bg);
  outline-offset: 2px;
}
.header-cta:hover {
  background: transparent;
  color: var(--c-bg);
}

.header-nav-row {
  height: var(--nav-h-menu);
  padding: 0 24px;
  display: flex;
  align-items: center;
}

.site-nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
}

.site-nav ol li a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  color: rgba(250,250,248,0.75);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-left: 1px solid rgba(250,250,248,0.08);
  transition: none;
}

.site-nav ol li:first-child a { border-left: none; }

.site-nav ol li a:hover {
  color: var(--c-bg);
  background: rgba(250,250,248,0.06);
}

/* ── Hero ── */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--c-ink);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  margin-bottom: -60px;
  padding-bottom: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: grayscale(40%) contrast(1.1);
}
.hero-bg-fallback {
  background: linear-gradient(135deg, #1a1a1a 0%, #2e2e2e 60%, #1a1a1a 100%);
}

/* Grid dot pattern */
.hero-grid-dots {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    radial-gradient(circle, rgba(250,250,248,0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-clip-deco {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--c-bg);
  clip-path: polygon(0 100%, 100% 30%, 100% 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 60px 40px 100px;
  text-align: left;
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.1;
  color: var(--c-bg);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
  transform: rotate(-0.8deg);
  display: inline-block;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(250,250,248,0.75);
  max-width: 480px;
  margin-bottom: 32px;
  font-weight: 300;
  line-height: 1.7;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 28px;
  border: 2px solid var(--c-bg);
  color: var(--c-bg);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotate(0.5deg);
  background: transparent;
}
.hero-btn:hover {
  background: var(--c-bg);
  color: var(--c-ink);
}

/* ── Main content area ── */
main {
  position: relative;
  z-index: 2;
  padding-top: 80px;
}

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

.content-section {
  padding-bottom: 80px;
}

.content-article {
  /* serves as the article container */
}

.content-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

/* ── Aside ── */
.content-aside {
  position: sticky;
  top: calc(var(--nav-total) + 24px);
  order: -1;
}

.aside-inner {
  background: var(--c-paper);
  border: 1.5px solid var(--c-ink);
  border-radius: 6px;
  padding: 20px 18px;
  transform: rotate(-0.6deg);
  box-shadow: 3px 3px 0 var(--c-ink);
}

.aside-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
  margin-bottom: 6px;
}

.aside-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  padding-bottom: 8px;
}

.aside-nav-list li { margin-bottom: 2px; }
.aside-nav-list li a {
  display: block;
  padding: 6px 8px;
  font-size: 0.8rem;
  color: var(--c-mid);
  border-left: 3px solid transparent;
  font-weight: 500;
}
.aside-nav-list li a:hover {
  color: var(--c-ink);
  border-left-color: var(--c-ink);
  background: rgba(26,26,26,0.04);
}

/* ── Content main ── */
.content-main {
  min-width: 0;
}

/* Content sections from page.content */
.content-main section {
  margin-bottom: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--c-rule);
  position: relative;
}

.content-main section:last-child {
  border-bottom: none;
}

/* Headings inside content */
.content-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--c-ink);
  position: relative;
  display: inline-block;
}

.content-main h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 60%;
  height: 3px;
  background: var(--c-ink);
  transform: rotate(-0.5deg);
}

.content-main h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--c-ink-light);
}

.content-main p {
  margin-bottom: 16px;
  max-width: 680px;
  color: var(--c-ink-light);
}

.content-main ul, .content-main ol {
  list-style: disc;
  margin: 0 0 16px 20px;
  color: var(--c-ink-light);
}

.content-main ol { list-style: decimal; }

.content-main li {
  margin-bottom: 6px;
  line-height: 1.6;
}

.content-main strong { color: var(--c-ink); font-weight: 700; }

.content-main small {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-mid);
  margin-bottom: 8px;
  font-weight: 600;
}

/* section scroll margin */
.content-main section { scroll-margin-top: calc(var(--scroll-top) + 24px); }

/* ── Reveal animation ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Footer ── */
.site-footer {
  background: var(--c-ink);
  color: var(--c-bg);
  margin-top: 40px;
}

.footer-cta-block {
  text-align: center;
  padding: 64px 24px;
  border-bottom: 1px solid rgba(250,250,248,0.08);
  background: rgba(0,0,0,0.2);
}

.footer-eyebrow {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.5);
  margin-bottom: 12px;
  font-weight: 600;
}

.footer-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  margin-bottom: 28px;
  color: var(--c-bg);
  transform: rotate(-0.4deg);
  display: inline-block;
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  border: 2px solid var(--c-bg);
  color: var(--c-bg);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotate(0.6deg);
}
.footer-cta-btn:hover {
  background: var(--c-bg);
  color: var(--c-ink);
}

.footer-main-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  border-bottom: 1px solid rgba(250,250,248,0.08);
}

.footer-col-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-logo-link { display: inline-flex; }
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-desc {
  font-size: 0.82rem;
  color: rgba(250,250,248,0.55);
  line-height: 1.6;
  max-width: 220px;
}

.footer-col-title {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.45);
  margin-bottom: 14px;
}

.footer-nav-list li { margin-bottom: 4px; }
.footer-nav-list li a {
  font-size: 0.85rem;
  color: rgba(250,250,248,0.7);
  display: block;
  padding: 4px 0;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.footer-nav-list li a:hover { color: var(--c-bg); }

.footer-col-text {
  font-size: 0.82rem;
  color: rgba(250,250,248,0.55);
  line-height: 1.7;
}

.footer-bottom {
  padding: 20px 24px;
  background: rgba(0,0,0,0.15);
}

.footer-bottom-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-copyright, .footer-note {
  font-size: 0.78rem;
  color: rgba(250,250,248,0.4);
}

/* ── Hover micro-interactions ── */
@media (prefers-reduced-motion: no-preference) {
  .aside-nav-list li a,
  .site-nav ol li a,
  .footer-nav-list li a {
    transition: color 0.15s, border-color 0.15s, background 0.15s;
  }
  .header-cta,
  .hero-btn,
  .footer-cta-btn {
    transition: background 0.15s, color 0.15s;
  }
}

/* ── Responsive: tablet ── */
@media (max-width: 900px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
  .content-aside {
    position: static;
    order: -1;
  }
  .aside-inner {
    transform: none;
  }
  .footer-main-row {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* ── Responsive: mobile ── */
@media (max-width: 600px) {
  :root {
    --nav-h-brand: 56px;
    --nav-h-menu: 44px;
    --nav-total: 100px;
  }

  html { font-size: 16px; }

  .header-brand-row { padding: 0 16px; }
  .brand-name { font-size: 1rem; }
  .header-cta { font-size: 0.75rem; padding: 0 14px; height: 40px; }

  .header-nav-row { padding: 0 16px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .site-nav ol { flex-wrap: nowrap; }
  .site-nav ol li a { font-size: 0.75rem; padding: 0 10px; white-space: nowrap; height: 44px; }

  .hero-section {
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    min-height: 60vh;
    margin-bottom: -40px;
    padding-bottom: 60px;
  }
  .hero-content { padding: 40px 20px 80px; }
  .hero-h1 { transform: none; }

  .wrap { padding: 0 16px; }
  main { padding-top: 60px; }

  .aside-inner { transform: none; }

  .footer-main-row {
    grid-template-columns: 1fr;
    padding: 32px 16px;
    gap: 28px;
  }
  .footer-cta-block { padding: 48px 16px; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }

  .hero-clip-deco { display: none; }
}

/* ── Scratch / Raw marks ── */
.hero-h1::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%) rotate(92deg);
  width: 2px;
  height: 70%;
  background: rgba(250,250,248,0.2);
  display: block;
}

button[aria-expanded]{min-width:44px;min-height:44px}