@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/IBMPlexSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/IBMPlexSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/IBMPlexSans-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/IBMPlexSans-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --burgundy: #902a35;
  --burgundy-dark: #6f1f28;
  --cream: #f5f1eb;
  --cream-soft: #fbf8f3;
  --graphite: #2e2e2e;
  --black: #000;
  --white: #fff;
  --gray: #6e6e6e;
  --line: #d9d9d9;
  --sand: #e6d8bd;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream-soft);
  color: var(--black);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
p { color: var(--gray); font-size: 18px; line-height: 1.55; margin: 0; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: 0; }
h1 { font-size: clamp(42px, 5vw, 72px); }
h2 { font-size: clamp(30px, 3vw, 44px); }
h3 { font-size: 22px; }

.site-header {
  align-items: center;
  background: var(--white);
  border-bottom: 1px solid rgba(217, 217, 217, .65);
  display: flex;
  gap: 32px;
  justify-content: space-between;
  min-height: 84px;
  padding: 18px clamp(22px, 6vw, 96px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-size: 20px; font-weight: 700; white-space: nowrap; }
.main-nav { align-items: center; display: flex; gap: 28px; font-size: 15px; font-weight: 500; color: var(--graphite); }
.main-nav a:hover { color: var(--burgundy); }
.btn {
  align-items: center;
  border: 1px solid var(--graphite);
  border-radius: 4px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 600;
  justify-content: center;
  min-height: 44px;
  padding: 12px 20px;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary { background: var(--burgundy); border-color: var(--burgundy); color: var(--white); }
.btn-primary:hover { background: var(--burgundy-dark); border-color: var(--burgundy-dark); }
.btn-secondary { background: var(--white); color: var(--graphite); }
.btn-secondary:hover { border-color: var(--burgundy); color: var(--burgundy); }
.pill {
  align-self: flex-start;
  background: var(--cream);
  border-radius: 999px;
  color: var(--burgundy);
  display: inline-flex;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  padding: 8px 12px;
}
.eyebrow {
  color: var(--burgundy);
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(40px, 6vw, 84px);
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .75fr);
  min-height: 680px;
  padding: clamp(58px, 7vw, 96px) clamp(22px, 7vw, 112px);
}
.hero-copy { display: grid; gap: 24px; max-width: 760px; }
.hero-copy p { max-width: 660px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 4px; }
.product-pack {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 22px;
  justify-items: center;
  padding: 32px;
  text-align: center;
}
.pdf-stack { display: flex; gap: 18px; }
.pdf-cover {
  border-radius: 4px;
  color: var(--white);
  display: flex;
  flex-direction: column;
  height: 220px;
  justify-content: space-between;
  padding: 22px 18px;
  text-align: left;
  width: 160px;
}
.pdf-cover strong { font-size: 22px; line-height: 1.18; }
.pdf-cover span { font-size: 13px; line-height: 1.4; }
.pdf-cover-burgundy { background: var(--burgundy); }
.pdf-cover-graphite { background: var(--graphite); }
.product-pack p { font-size: 15px; max-width: 330px; }

.stats {
  background: var(--burgundy);
  color: var(--white);
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 30px clamp(22px, 7vw, 112px);
  text-align: center;
}
.stats strong { display: block; font-size: 34px; line-height: 1; }
.stats span { display: block; font-size: 13px; line-height: 1.35; margin-top: 8px; }

.split-section,
.products-section,
.audience-section,
.flow-section,
.catalog-hero,
.catalog-layout,
.product-hero,
.detail-cards,
.faq-section {
  padding: clamp(62px, 7vw, 96px) clamp(22px, 7vw, 112px);
}
.split-section {
  align-items: center;
  display: grid;
  gap: clamp(34px, 6vw, 80px);
  grid-template-columns: minmax(0, .9fr) minmax(360px, .85fr);
}
.section-copy,
.section-heading { max-width: 900px; }
.section-copy p,
.section-heading p { margin-top: 24px; max-width: 850px; }
.info-stack { display: grid; gap: 18px; }
.info-card,
.product-card,
.flow-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  position: relative;
}
.info-card { padding: 26px 26px 24px; }
.info-card::before {
  background: var(--burgundy);
  content: "";
  display: block;
  height: 38px;
  left: 18px;
  position: absolute;
  top: 24px;
  width: 3px;
}
.info-card h2,
.info-card h3 { font-size: 20px; margin-left: 18px; }
.info-card p { font-size: 15px; line-height: 1.55; margin: 14px 0 0 18px; }

.products-section { background: var(--cream); }
.product-grid,
.audience-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
}
.audience-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 360px;
  padding: 28px;
}
.product-card p { font-size: 16px; }
.product-card strong { font-size: 26px; margin-top: auto; }
.product-card .btn { align-self: flex-start; }
.audience-section { background: var(--cream-soft); }
.flow-section { background: var(--white); }
.flow-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 42px;
}
.flow-grid article { padding: 22px; }
.flow-grid strong { color: var(--burgundy); display: block; font-size: 20px; margin-bottom: 14px; }
.flow-grid h3 { font-size: 17px; }
.flow-grid p { font-size: 13px; line-height: 1.45; margin-top: 8px; }

.lead-section {
  align-items: center;
  background: var(--graphite);
  color: var(--white);
  display: flex;
  gap: 36px;
  justify-content: space-between;
  padding: clamp(54px, 6vw, 80px) clamp(22px, 7vw, 112px);
}
.lead-section p { color: var(--line); max-width: 760px; margin-top: 18px; }
.lead-section .eyebrow { color: var(--sand); }
.lead-section .btn-primary { background: var(--burgundy); }
.site-footer {
  align-items: center;
  background: var(--black);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  min-height: 92px;
  padding: 28px clamp(22px, 7vw, 112px);
}
.site-footer span { color: var(--line); font-size: 14px; }

.catalog-hero h1,
.product-hero h1 { margin-top: 26px; max-width: 760px; }
.catalog-hero p { margin-top: 24px; max-width: 840px; }
.catalog-layout {
  align-items: start;
  background: var(--white);
  display: grid;
  gap: 36px;
  grid-template-columns: 280px minmax(0, 1fr);
}
.filters {
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 16px;
  padding: 26px;
}
.filters h2 { font-size: 24px; margin-bottom: 8px; }
.filters a {
  color: var(--graphite);
  font-size: 16px;
  padding-left: 22px;
  position: relative;
}
.filters a::before {
  background: var(--line);
  border-radius: 50%;
  content: "";
  height: 10px;
  left: 0;
  position: absolute;
  top: 6px;
  width: 10px;
}
.filters a.is-active { font-weight: 700; }
.filters a.is-active::before { background: var(--burgundy); }
.catalog-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-hero {
  align-items: center;
  display: grid;
  gap: clamp(38px, 6vw, 80px);
  grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
}
.product-hero p { margin-top: 24px; max-width: 720px; }
.price {
  color: var(--burgundy);
  display: block;
  font-size: 34px;
  margin-top: 28px;
}
.preview-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}
.pdf-preview {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 4px;
  height: 260px;
  margin-bottom: 24px;
}
.preview-card h2 { font-size: 26px; }
.preview-card ul { color: var(--graphite); font-size: 16px; line-height: 1.7; padding-left: 20px; }
.detail-cards {
  background: var(--white);
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.faq-section { display: grid; gap: 20px; max-width: 920px; }
.faq-section p { margin-bottom: 10px; }

@media (max-width: 980px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .hero,
  .split-section,
  .catalog-layout,
  .product-hero {
    grid-template-columns: 1fr;
  }
  .product-grid,
  .audience-grid,
  .detail-cards,
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lead-section,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  p { font-size: 16px; }
  .site-header { min-height: 68px; }
  .hero { min-height: auto; padding-top: 38px; }
  .pdf-stack { flex-direction: column; }
  .pdf-cover { height: 170px; width: 100%; }
  .product-pack { padding: 22px; }
  .flow-grid,
  .stats { grid-template-columns: 1fr; }
}