:root {
  --ink: #14242b;
  --muted: #5f6f75;
  --line: #d8e0df;
  --paper: #f7f5ef;
  --surface: #ffffff;
  --deep: #0f2a34;
  --accent: #b9803e;
  --accent-dark: #8f5f2a;
  --soft: #e7eceb;
  --shadow: 0 24px 80px rgba(15, 42, 52, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(247, 245, 239, 0.92);
  border-bottom: 1px solid rgba(20, 36, 43, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(132px, 16vw, 186px);
  padding: 0;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
}

.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: clamp(560px, calc(82vh - 75px), 680px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(247, 245, 239, 0.97) 0%, rgba(247, 245, 239, 0.88) 40%, rgba(247, 245, 239, 0.36) 100%),
    linear-gradient(180deg, rgba(247, 245, 239, 0.08) 0%, rgba(247, 245, 239, 0.76) 100%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 42px 0 52px;
}

.hero-content {
  position: relative;
  width: min(780px, calc(100% - 36px));
  margin: 0;
  padding: 0;
}

.hero-expert {
  position: relative;
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 15px;
  align-items: center;
  padding: 18px;
  background: rgba(247, 245, 239, 0.82);
  border: 1px solid rgba(15, 42, 52, 0.14);
  box-shadow: 0 20px 60px rgba(15, 42, 52, 0.12);
  backdrop-filter: blur(12px);
}

.hero-expert img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border: 1px solid rgba(15, 42, 52, 0.14);
}

.hero-expert h2 {
  margin: 0;
  font-size: 21px;
  line-height: 1.12;
}

.hero-expert p:not(.eyebrow) {
  margin: 8px 0 0;
  color: #35464d;
  font-size: 14px;
}

.hero-expert a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 660px;
  margin: 20px 0 0;
  color: #35464d;
  font-size: clamp(16px, 1.8vw, 19px);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--deep);
}

.button.primary:hover {
  background: #173844;
}

.button.secondary {
  color: var(--deep);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(15, 42, 52, 0.16);
}

.button.wide {
  width: 100%;
}

.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 720px;
  margin-top: 22px;
}

.meta-strip span {
  padding: 8px 11px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 42, 52, 0.13);
  color: #31464e;
  font-size: 13px;
  font-weight: 700;
}

.section {
  padding: clamp(46px, 6.5vw, 82px) clamp(18px, 6vw, 88px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(24px, 5vw, 76px);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.12;
  letter-spacing: 0;
}

.intro > p,
.support-copy > p {
  margin: 0;
  color: #35464d;
  font-size: 17px;
}

.expert {
  background:
    linear-gradient(135deg, rgba(15, 42, 52, 0.04), rgba(185, 128, 62, 0.07)),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.expert-card {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(300px, 0.95fr) minmax(320px, 1.15fr);
  gap: clamp(22px, 3.5vw, 42px);
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 42, 52, 0.12);
  box-shadow: var(--shadow);
}

.expert-profile {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: #f4f1e8;
  border: 1px solid rgba(15, 42, 52, 0.12);
}

.expert-profile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid rgba(15, 42, 52, 0.12);
}

.expert-profile h3 {
  margin: 6px 0 0;
  font-size: 20px;
  line-height: 1.15;
}

.expert-profile p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.expert-contacts {
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(15, 42, 52, 0.12);
  color: #35464d;
  font-size: 14px;
}

.expert-contacts a {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 800;
}

.expert-contacts span {
  overflow-wrap: anywhere;
}

.expert-label {
  position: relative;
  padding-left: 26px;
}

.expert-label h2 {
  max-width: 520px;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.16;
}

.expert-label::before {
  position: absolute;
  inset: 2px auto 2px 0;
  width: 4px;
  content: "";
  background: var(--accent);
}

.expert-copy {
  display: grid;
  gap: 15px;
}

.expert-copy p {
  margin: 0;
  color: #35464d;
  font-size: 16px;
}

.expert-note {
  margin-top: 6px;
  padding: 16px 18px;
  color: #1e353d;
  background: #eef2f1;
  border-left: 4px solid var(--accent);
  font-size: 15px;
  font-weight: 700;
}

.publications {
  max-width: 1180px;
  margin: 28px auto 0;
  padding: clamp(22px, 3.4vw, 34px);
  background: #fff;
  border: 1px solid rgba(15, 42, 52, 0.12);
  box-shadow: 0 16px 50px rgba(15, 42, 52, 0.08);
}

.publications-head {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  gap: clamp(18px, 4vw, 48px);
  align-items: end;
  margin-bottom: 18px;
}

.publications-head h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.18;
}

.publications-head p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.publication-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.publication-group {
  padding: 20px;
  background: #fbfaf6;
}

.publication-group.highlight {
  background: #f0f4f3;
}

.publication-group h4 {
  margin: 0 0 14px;
  color: var(--deep);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.publication-group ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-group li {
  display: grid;
  gap: 5px;
  padding-left: 18px;
  border-left: 3px solid rgba(185, 128, 62, 0.45);
}

.publication-group a,
.publication-group strong {
  color: #1e353d;
  font-weight: 800;
  line-height: 1.3;
  text-decoration: none;
}

.publication-group a:hover {
  color: var(--accent-dark);
}

.publication-group span {
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.audience {
  background: #eef2f1;
}

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

.audience-grid article {
  min-height: 205px;
  padding: 22px;
  background: var(--surface);
}

.audience-grid span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
}

.audience-grid h3,
.survey-panel h3 {
  margin: 18px 0 8px;
  font-size: 20px;
  line-height: 1.15;
}

.audience-grid p,
.survey-panel p,
.footer p {
  margin: 0;
  color: var(--muted);
}

.support {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 380px);
  gap: clamp(24px, 5vw, 68px);
  align-items: start;
  background: var(--deep);
  color: #fff;
}

.support .eyebrow {
  color: #d8a767;
}

.support-copy p,
.support-copy li {
  color: #dce7e8;
}

.support-copy ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.support-copy li {
  position: relative;
  padding-left: 28px;
}

.support-copy li::before {
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 12px;
  height: 2px;
  content: "";
  background: var(--accent);
}

.survey-panel {
  padding: 24px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.qr {
  display: block;
  width: min(190px, 100%);
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--line);
}

.survey-panel h3 {
  margin-top: 20px;
}

.survey-panel .button {
  margin-top: 18px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(18px, 6vw, 88px);
  background: #091a20;
  color: #fff;
}

.footer img {
  width: 132px;
  height: auto;
  padding: 0;
  opacity: 0.82;
}

.footer a {
  color: #e2b372;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 960px) {
  .hero-shell {
    grid-template-columns: 1fr;
  }

  .hero-expert {
    max-width: 540px;
  }

  .intro,
  .expert-card,
  .support {
    grid-template-columns: 1fr;
  }

  .expert-profile {
    max-width: 360px;
  }

  .publications-head,
  .publication-groups {
    grid-template-columns: 1fr;
  }

  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-logo {
    width: 164px;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0;
  }

  .hero-shell {
    width: calc(100% - 32px);
    padding: 36px 0 44px;
  }

  .hero-expert {
    grid-template-columns: 74px minmax(0, 1fr);
    padding: 16px;
  }

  .hero-expert img {
    width: 74px;
    height: 74px;
  }

  .hero-expert h2 {
    font-size: 19px;
  }

  h1 {
    font-size: 32px;
  }

  .button {
    width: 100%;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid article {
    min-height: auto;
  }

  .expert-profile {
    max-width: none;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}