:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #60706b;
  --line: #dce4df;
  --paper: #fbfcf9;
  --surface: #ffffff;
  --sage: #44665b;
  --sage-dark: #243f37;
  --clay: #a95f3b;
  --gold: #d8aa56;
  --mist: #eef4ef;
  --focus: #0d6efd;
  --shadow: 0 18px 50px rgba(24, 33, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 252, 249, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--sage-dark);
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.65rem 0.8rem;
  border-radius: 6px;
}

.nav-links a:hover {
  background: var(--mist);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.nav-toggle span[aria-hidden] {
  display: block;
  width: 20px;
  height: 2px;
  margin: auto;
  background: var(--ink);
  box-shadow: 0 7px 0 var(--ink), 0 -7px 0 var(--ink);
}

.hero {
  min-height: calc(100svh - 70px);
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 29, 25, 0.72), rgba(18, 29, 25, 0.34) 45%, rgba(18, 29, 25, 0.08)),
    url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=82") center / cover;
  transform: scale(1.01);
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 8rem) 0 clamp(2rem, 5vw, 4rem);
  color: #fff;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f5c66e;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  font-size: clamp(2.6rem, 8vw, 6.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  font-size: 1.08rem;
}

p {
  margin: 0;
}

.hero-copy {
  max-width: 720px;
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.06rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  background: var(--gold);
  color: #1d170b;
}

.button.text-dark {
  color: #1d170b;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.button:hover {
  transform: translateY(-1px);
}

.disclosure {
  background: #fff8e7;
  border: 1px solid #eed59c;
  color: #3f3010;
  border-radius: 8px;
  padding: 0.9rem 1rem;
}

.disclosure.compact {
  width: min(720px, 100%);
  margin-top: 1.5rem;
  background: rgba(255, 248, 231, 0.96);
  color: #35270b;
  font-size: 0.92rem;
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.page-hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(2rem, 5vw, 4rem);
}

.page-hero h1 {
  max-width: 920px;
  color: var(--ink);
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 1rem 0 1.5rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.featured-products {
  padding-top: clamp(3rem, 6vw, 5rem);
}

.intro-grid,
.strategy-grid,
.tech-grid,
.checklist-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.intro-grid {
  align-items: stretch;
}

.position-card,
.pass-grid article,
.audience-grid article,
.plan-grid article,
.strategy-grid article,
.tech-grid article,
.critique-grid article,
.checklist-grid article,
.timeline article,
.sitemap-columns article,
.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(24, 33, 31, 0.04);
}

.position-card {
  padding: 1.35rem;
  border-left: 5px solid var(--sage);
}

.intro-grid p,
.section-heading p,
.position-card p,
article p,
li {
  color: var(--muted);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.section-heading p {
  margin-top: 0.8rem;
}

.pass-grid,
.critique-grid,
.plan-grid,
.sitemap-columns,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.pass-grid article,
.audience-grid article,
.plan-grid article,
.strategy-grid article,
.tech-grid article,
.critique-grid article,
.checklist-grid article,
.sitemap-columns article {
  padding: 1.15rem;
}

.plan-grid .wide {
  grid-column: 1 / -1;
}

.two-col-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

ul,
ol {
  padding-left: 1.15rem;
  margin: 0.8rem 0 0;
}

code {
  color: var(--sage-dark);
  font-weight: 800;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.chip {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  padding: 0.55rem 0.9rem;
  font-weight: 850;
  cursor: pointer;
}

.chip.active,
.chip:hover {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
  color: #fff;
}

.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.product-visual {
  height: 210px;
  background:
    linear-gradient(135deg, rgba(68, 102, 91, 0.2), rgba(216, 170, 86, 0.22)),
    var(--mist);
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0.75rem;
  position: relative;
  overflow: hidden;
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  position: relative;
  z-index: 1;
}

.image-fallback {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  color: var(--sage-dark);
  font-size: 3rem;
  font-weight: 900;
}

.product-visual.image-failed .image-fallback {
  display: grid;
}

.product-body {
  padding: 1.1rem;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
}

.badge {
  display: inline-flex;
  align-self: flex-start;
  border-radius: 999px;
  background: var(--mist);
  color: var(--sage-dark);
  font-size: 0.78rem;
  font-weight: 900;
  padding: 0.3rem 0.55rem;
}

.asin,
.image-source {
  color: var(--muted);
  font-size: 0.83rem;
}

.asin {
  font-weight: 800;
}

.image-source a {
  color: var(--sage-dark);
  font-weight: 800;
}

.meta-list {
  display: grid;
  gap: 0.35rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.meta-list li {
  padding-left: 1rem;
  position: relative;
}

.meta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clay);
}

.amazon-cta {
  margin-top: auto;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  border-radius: 8px;
  background: var(--sage-dark);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
}

.amazon-cta:hover {
  background: var(--sage);
}

.table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

caption {
  padding: 1rem;
  text-align: left;
  font-weight: 900;
}

th,
td {
  padding: 1rem;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line);
}

th {
  background: var(--mist);
  color: var(--sage-dark);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.timeline span {
  color: var(--clay);
  font-weight: 900;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.footer {
  border-top: 1px solid var(--line);
  background: var(--sage-dark);
  color: rgba(255, 255, 255, 0.86);
  padding: 2rem max(1rem, calc((100vw - 1180px) / 2));
  display: grid;
  gap: 0.55rem;
}

.footer a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.5rem;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    min-height: 760px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(18, 29, 25, 0.42), rgba(18, 29, 25, 0.82)),
      url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1100&q=80") center / cover;
  }

  .intro-grid,
  .strategy-grid,
  .tech-grid,
  .checklist-grid,
  .audience-grid,
  .pass-grid,
  .critique-grid,
  .plan-grid,
  .sitemap-columns,
  .product-grid,
  .timeline,
  .two-col-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .nav {
    width: min(100% - 24px, 1180px);
  }

  .section,
  .hero-content {
    width: min(100% - 24px, 1180px);
  }

  .hero-actions .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.35rem, 14vw, 4.2rem);
  }
}