:root {
  --ink: #0b1720;
  --ink-soft: #344755;
  --muted: #657786;
  --line: #d9e3ea;
  --paper: #ffffff;
  --paper-cool: #f4f8fb;
  --teal: #18c7b7;
  --blue: #1267d8;
  --amber: #d99022;
  --navy: #071b2c;
  --shadow: 0 24px 70px rgba(10, 31, 47, 0.14);
  --radius: 8px;
  --max: 1180px;
  color-scheme: light;
}

* {
  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: 1.5;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(217, 227, 234, 0.75);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--teal);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  line-height: 1.1;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--blue);
}

.header-cta {
  justify-self: end;
  padding: 11px 16px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.header-cta:hover {
  background: var(--ink);
  color: white;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1.12fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: start;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(64px, 7vw, 96px) clamp(20px, 4vw, 56px) 58px;
  overflow: hidden;
}

.company-line {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 640px;
  margin-bottom: 20px;
  font-size: clamp(54px, 8vw, 112px);
  line-height: 0.91;
  font-weight: 820;
}

.hero-lede {
  max-width: 630px;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.12;
  font-weight: 650;
}

.hero-cn {
  max-width: 580px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 17px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 780;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button svg {
  width: 18px;
  height: 18px;
  margin-left: 8px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: white;
  box-shadow: 0 18px 34px rgba(11, 23, 32, 0.18);
}

.button-secondary {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.hero-visual {
  position: relative;
  min-height: 620px;
  border-radius: var(--radius);
  isolation: isolate;
  margin-top: 18px;
}

.hero-visual::before {
  position: absolute;
  inset: 12% 2% 6% 8%;
  z-index: -1;
  content: "";
  border-radius: 999px;
  background: radial-gradient(circle at 52% 42%, rgba(24, 199, 183, 0.22), rgba(18, 103, 216, 0.12) 38%, rgba(255, 255, 255, 0) 67%);
  filter: blur(18px);
}

.hero-visual picture,
.hero-visual img {
  display: block;
}

.hero-visual picture {
  height: 100%;
}

.hero-visual img {
  width: 118%;
  max-width: none;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
  object-position: center right;
  border-radius: var(--radius);
  filter: saturate(1.03) contrast(1.01);
}

.hero-research h1 {
  font-size: clamp(46px, 6.7vw, 96px);
}

.status-panel {
  position: absolute;
  display: grid;
  gap: 2px;
  width: max-content;
  max-width: min(250px, 72vw);
  padding: 13px 14px;
  border: 1px solid rgba(217, 227, 234, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 40px rgba(10, 31, 47, 0.12);
  backdrop-filter: blur(14px);
}

.status-panel span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.status-panel strong {
  color: var(--ink);
  font-size: 14px;
}

.status-panel-top {
  top: 12%;
  left: 3%;
}

.status-panel-bottom {
  right: 5%;
  bottom: 11%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--max);
  margin: -20px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: var(--shadow);
}

.trust-strip div {
  padding: 24px 28px;
}

.trust-strip div + div {
  border-left: 1px solid var(--line);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 4px;
  font-size: 16px;
}

.trust-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(84px, 10vw, 136px) 20px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: 26px;
  align-items: start;
  margin-bottom: 38px;
}

.section-heading.centered {
  display: block;
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.centered .section-index {
  margin: 0 auto 14px;
}

.section-index {
  display: grid;
  width: 44px;
  height: 32px;
  place-items: center;
  border-left: 3px solid var(--teal);
  color: var(--blue);
  font-size: 13px;
  font-weight: 820;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
  font-weight: 800;
}

.section-heading p,
.process-section .section-heading p,
.planner-copy p {
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.dense-grid {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  min-height: 300px;
  padding: 28px;
}

.service-card + .service-card {
  border-left: 1px solid var(--line);
}

.icon-box {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 54px;
  place-items: center;
  border-radius: var(--radius);
  background: #e9fbf8;
  color: #087d73;
}

.icon-box svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3,
.engagement-grid h3,
.client-list h3,
.process-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.12;
}

.service-card p,
.engagement-grid p,
.evidence-grid p,
.client-list p,
.process-grid p,
.principle-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.evidence-band {
  padding-top: clamp(76px, 9vw, 116px);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.evidence-grid article {
  min-height: 310px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f6fbfd 100%);
}

.evidence-grid span {
  display: block;
  margin-bottom: 36px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 840;
  text-transform: uppercase;
}

.evidence-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.14;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.engagement-grid article {
  min-height: 278px;
  padding: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
}

.engagement-grid span {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 840;
}

.planner-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  gap: 48px;
  align-items: stretch;
}

.planner-copy .section-index {
  margin-bottom: 14px;
}

.planner-copy p {
  max-width: 520px;
  margin-top: 22px;
}

.planner-tool {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(18, 103, 216, 0.08), rgba(24, 199, 183, 0.08)),
    #ffffff;
  box-shadow: 0 24px 70px rgba(10, 31, 47, 0.1);
}

.planner-field {
  display: grid;
  gap: 8px;
}

.planner-field label,
.contact-form label {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 780;
}

.planner-field select,
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  outline: 0;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.planner-field select {
  min-height: 48px;
  padding: 0 13px;
}

.planner-field select:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(18, 103, 216, 0.75);
  box-shadow: 0 0 0 4px rgba(18, 103, 216, 0.1);
}

.planner-result {
  grid-column: 1 / -1;
  min-height: 178px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
}

.planner-result span {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 820;
  text-transform: uppercase;
}

.planner-result strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.05;
}

.planner-result p {
  max-width: 640px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.planner-cta {
  grid-column: 1 / -1;
  justify-self: start;
}

.split-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 58px;
  align-items: start;
}

.split-section .section-heading {
  position: sticky;
  top: 110px;
  display: block;
  margin-bottom: 0;
}

.split-section .section-index {
  margin-bottom: 14px;
}

.client-list {
  display: grid;
  gap: 14px;
}

.client-list article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff 0%, #f7fbfd 100%);
}

.client-list span {
  display: block;
  margin-bottom: 18px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 820;
  text-transform: uppercase;
}

.process-section {
  max-width: none;
  margin-top: clamp(84px, 10vw, 136px);
  padding: clamp(84px, 10vw, 124px) 20px;
  background:
    linear-gradient(135deg, rgba(24, 199, 183, 0.09), rgba(18, 103, 216, 0.05)),
    var(--paper-cool);
}

.process-section .section-heading,
.process-grid {
  max-width: var(--max);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 44px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.process-grid article {
  min-height: 244px;
  padding: 28px;
  background: white;
}

.process-grid span {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 840;
}

.principles {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 58px;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(84px, 10vw, 136px) 20px 0;
}

.principles .section-index {
  margin-bottom: 14px;
}

.principle-grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.principle-grid p {
  padding: 26px 28px;
  background: white;
  font-size: 17px;
}

.principle-grid strong {
  color: var(--ink);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-grid details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.faq-grid summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 780;
}

.faq-grid p {
  margin: -4px 22px 22px;
  color: var(--muted);
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.source-list a,
.article-links a,
.text-link {
  color: var(--blue);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.source-list a {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: 36px;
  align-items: start;
  max-width: var(--max);
  margin: clamp(84px, 10vw, 136px) auto 0;
  padding: clamp(44px, 6vw, 70px) 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-copy .section-index {
  margin-bottom: 14px;
}

.contact-copy p {
  max-width: 640px;
  margin-top: 20px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form input,
.contact-form textarea {
  padding: 13px 14px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  width: max-content;
  border: 0;
  cursor: pointer;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.form-status.success {
  color: #087d73;
}

.form-status.error {
  color: #a33d1f;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 20px 42px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--ink);
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.article-page {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(58px, 8vw, 110px) 20px 70px;
}

.article-hero {
  max-width: 860px;
  margin-bottom: 58px;
}

.article-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.96;
}

.article-hero p,
.article-section p,
.article-cta p {
  color: var(--ink-soft);
  font-size: 18px;
}

.article-section {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.article-section h2,
.article-cta h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
}

.data-table {
  display: grid;
  gap: 1px;
  overflow: hidden;
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.data-table div {
  display: grid;
  grid-template-columns: minmax(160px, 0.32fr) 1fr;
  gap: 18px;
  padding: 18px 20px;
  background: white;
}

.data-table strong {
  color: var(--ink);
}

.data-table span {
  color: var(--muted);
}

.opportunity-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.opportunity-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.opportunity-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.opportunity-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.article-links {
  padding-left: 20px;
  color: var(--muted);
}

.article-links li + li {
  margin-top: 10px;
}

.article-cta {
  margin-top: 20px;
  padding: 36px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
}

.article-cta h2,
.article-cta p {
  color: white;
}

.article-cta p {
  color: rgba(255, 255, 255, 0.76);
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    min-height: 430px;
    margin-top: 0;
  }

  .hero-visual img {
    width: 100%;
    min-height: 430px;
  }

  .trust-strip,
  .service-grid,
  .dense-grid,
  .evidence-grid,
  .engagement-grid,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip div:nth-child(3),
  .service-card:nth-child(3),
  .engagement-grid article:nth-child(3),
  .process-grid article:nth-child(3) {
    border-left: 0;
  }

  .trust-strip div:nth-child(n + 3),
  .service-card:nth-child(n + 3),
  .engagement-grid article:nth-child(n + 3),
  .process-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .section-heading,
  .planner-section,
  .split-section,
  .principles {
    grid-template-columns: 1fr;
  }

  .split-section .section-heading {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    right: 14px;
    left: 14px;
    z-index: 60;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
    box-shadow: var(--shadow);
  }

  .site-nav a {
    padding: 15px 12px;
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(48px, 17vw, 72px);
  }

  .hero-lede {
    font-size: 24px;
  }

  .hero-cn {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 330px;
  }

  .hero-visual img {
    min-height: 330px;
    object-position: 66% center;
  }

  .status-panel {
    display: none;
  }

  .trust-strip,
  .service-grid,
  .dense-grid,
  .evidence-grid,
  .engagement-grid,
  .process-grid,
  .contact-section,
  .planner-tool,
  .faq-grid,
  .source-list,
  .opportunity-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .data-table div {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: 0;
    border-radius: 0;
    border-right: 0;
    border-left: 0;
  }

  .trust-strip div + div,
  .service-card + .service-card,
  .engagement-grid article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-card,
  .engagement-grid article,
  .process-grid article {
    min-height: auto;
  }

  .icon-box,
  .engagement-grid span,
  .process-grid span {
    margin-bottom: 26px;
  }

  .section,
  .principles,
  .planner-section {
    padding-top: 78px;
  }

  .contact-form button {
    width: 100%;
  }

  .process-section {
    margin-top: 78px;
  }

  .site-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}