:root {
  --campaign-red: #a41f21;
  --campaign-ink: #1d1714;
  --campaign-gold: #d7a844;
  --campaign-jade: #08706b;
  --campaign-paper: #fff8ee;
  --campaign-line: rgba(29, 23, 20, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--campaign-ink);
  background: var(--campaign-paper);
  font-family: Lato, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.campaign-shell {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 248, 238, 0.96), rgba(255, 248, 238, 0.9)),
    url("/assets/bao-campaign/bao-flyer-01-meet-bao.png") right 6rem / min(34vw, 420px) auto no-repeat;
}

.campaign-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(29, 23, 20, 0.1);
  background: rgba(255, 248, 238, 0.94);
  backdrop-filter: blur(14px);
}

.nav-inner,
.hero-inner,
.section-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.94rem;
  font-weight: 800;
}

.nav-links a {
  text-decoration: none;
  color: rgba(29, 23, 20, 0.72);
}

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

.hero {
  padding: clamp(48px, 8vw, 94px) 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 6vw, 68px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--campaign-red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Playfair Display", Georgia, serif;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.9;
}

.lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(29, 23, 20, 0.76);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.7;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--campaign-line);
  border-radius: 6px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 900;
}

.btn-primary {
  border-color: var(--campaign-red);
  background: var(--campaign-red);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.68);
}

.hero-art {
  overflow: hidden;
  border: 1px solid rgba(29, 23, 20, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 22px 64px rgba(29, 23, 20, 0.16);
}

.hero-art img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.quick-strip {
  border-block: 1px solid var(--campaign-line);
  background: rgba(255, 255, 255, 0.62);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--campaign-line);
}

.quick-item {
  min-height: 132px;
  padding: 22px;
  background: rgba(255, 248, 238, 0.96);
  text-decoration: none;
}

.quick-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.quick-item span {
  color: rgba(29, 23, 20, 0.68);
  line-height: 1.5;
}

.section {
  padding: clamp(46px, 7vw, 82px) 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-heading p {
  max-width: 520px;
  margin: 0;
  color: rgba(29, 23, 20, 0.7);
  line-height: 1.6;
}

.campaign-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.campaign-tile {
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--campaign-line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
  box-shadow: 0 16px 40px rgba(29, 23, 20, 0.08);
}

.campaign-tile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.tile-body {
  padding: 18px;
}

.tile-body h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.tile-body p {
  margin: 0;
  color: rgba(29, 23, 20, 0.68);
  line-height: 1.55;
}

.operations {
  background: var(--campaign-ink);
  color: #fff;
}

.operations .section-heading p,
.operations .tile-body p {
  color: rgba(255, 255, 255, 0.72);
}

.operations .campaign-tile {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.campaign-footer {
  border-top: 1px solid var(--campaign-line);
  padding: 28px 0;
  color: rgba(29, 23, 20, 0.68);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
}

.footer-inner a {
  font-weight: 800;
}

@media (max-width: 900px) {
  .hero-grid,
  .campaign-grid,
  .quick-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    max-width: 460px;
  }

  .section-heading,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    padding-top: 34px;
  }
}