:root {
  --ink: #09204d;
  --ink-soft: #31415f;
  --muted: #657189;
  --blue: #084996;
  --blue-deep: #003a7a;
  --blue-soft: #eaf3ff;
  --green: #2f9f4a;
  --green-soft: #edf8ef;
  --red: #b5473f;
  --red-soft: #fff8f7;
  --red-line: #f0d2cf;
  --line: #d9e3f2;
  --surface: #ffffff;
  --surface-soft: #f5f9fe;
  --shadow: 0 18px 50px rgba(7, 32, 77, 0.1);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 36px;
}

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

a {
  color: inherit;
}

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  color: #ffffff;
  background: var(--blue);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(100% - 32px, var(--container));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand strong {
  display: block;
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.brand-mark {
  width: 38px;
  height: 42px;
  color: var(--blue);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 30px);
  font-size: 0.93rem;
  font-weight: 650;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--blue);
}

.nav-cta {
  padding: 0.78rem 1.25rem;
  color: #ffffff;
  background: var(--blue-deep);
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(0, 58, 122, 0.16);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta:focus-visible {
  color: #ffffff;
  background: var(--blue);
}

.section {
  padding: clamp(56px, 8vw, 96px) max(20px, calc((100vw - var(--container)) / 2));
}

.section[id],
#top {
  scroll-margin-top: 36px;
}

.hero {
  padding-top: clamp(38px, 5vw, 62px);
  padding-bottom: clamp(42px, 6vw, 70px);
  background:
    linear-gradient(90deg, #ffffff 0%, #ffffff 48%, #f2f7ff 100%);
  border-bottom: 1px solid var(--line);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 0.95fr);
  gap: clamp(34px, 5vw, 64px);
  align-items: center;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.35rem, 4.7vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-subhead {
  max-width: 650px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.34rem);
  line-height: 1.55;
}

.hero-actions,
.cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-actions {
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.98rem;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

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

.button.primary {
  color: #ffffff;
  background: linear-gradient(180deg, #0959b5, var(--blue-deep));
  box-shadow: 0 16px 30px rgba(0, 58, 122, 0.2);
}

.button.secondary {
  color: var(--blue-deep);
  background: #ffffff;
  border-color: var(--blue-deep);
}

.button.light {
  color: var(--blue-deep);
  background: #ffffff;
}

.button.ghost {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

.trust-note {
  display: flex;
  max-width: 670px;
  gap: 12px;
  align-items: flex-start;
  margin-top: 30px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.trust-note span {
  position: relative;
  display: inline-grid;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  place-items: center;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 50%;
  font-weight: 900;
}

.trust-note .check-mark::after {
  content: "";
  width: 8px;
  height: 13px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(38deg);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  display: block;
  width: 100%;
  max-width: 690px;
  height: auto;
  filter: drop-shadow(0 22px 46px rgba(7, 32, 77, 0.1));
}

.intro-band,
.mistake-band {
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
}

.section-grid,
.split-section,
.sponsor-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 6vw, 70px);
  align-items: start;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.section p,
.resource-card p,
.service-card p {
  color: var(--ink-soft);
}

.section p + p {
  margin-top: 16px;
}

.section-header {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-header.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-label {
  margin-bottom: 9px;
  color: var(--green);
  font-size: 0.84rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.reason-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.reason-list article {
  padding: 30px;
  text-align: center;
}

.reason-list article + article {
  border-left: 1px solid var(--line);
}

.icon-circle {
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 16px;
  color: var(--green);
  border: 2px solid #8cc99b;
  border-radius: 50%;
  font-weight: 900;
}

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

.service-card {
  min-height: 236px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 18px;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid #b7dcbe;
  border-radius: 8px;
  font-weight: 900;
}

.ai-section {
  background:
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ai-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  align-items: center;
}

.ai-panel {
  padding: clamp(24px, 4vw, 36px);
  background: #ffffff;
  border: 1px solid #c9d8ec;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.compact-checklist {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.compact-checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
  font-weight: 650;
}

.compact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--green);
  border-radius: 4px;
}

.compact-checklist li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  width: 6px;
  height: 9px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(38deg);
}

.ai-governance {
  margin-top: 34px;
  padding: clamp(24px, 4vw, 34px);
  background: #f6fbf7;
  border: 1px solid #b7dcbe;
  border-radius: var(--radius);
}

.ai-governance p {
  color: var(--ink-soft);
}

.split-section {
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.8fr);
}

.checklist-panel {
  padding-right: clamp(0px, 2vw, 24px);
}

.checklist {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.checklist li {
  position: relative;
  padding: 14px 0 14px 42px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 620;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 22px;
  height: 22px;
  border: 2px solid var(--green);
  border-radius: 4px;
}

.checklist li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 21px;
  width: 8px;
  height: 12px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(38deg);
}

.callout {
  padding: clamp(28px, 4vw, 42px);
  background: linear-gradient(145deg, #ffffff, #eff9f2);
  border: 1px solid #9bd2a7;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.callout h2 {
  color: #247d37;
}

.callout-icon {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  margin-bottom: 20px;
  color: var(--green);
  border: 2px solid var(--green);
  border-radius: 8px;
  font-size: 1.9rem;
}

.mini-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0;
}

.mini-list span {
  position: relative;
  padding-left: 26px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 700;
}

.mini-list span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 8px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}

.disclaimer {
  margin-top: 22px;
  padding: 18px;
  color: #364866;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid #c6d5c9;
  border-radius: 7px;
  font-size: 0.92rem;
}

.mistakes-grid {
  grid-template-columns: 0.55fr 1.45fr;
  align-items: center;
}

.mistake-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mistake-list li {
  min-height: 124px;
  padding: 20px;
  color: var(--ink-soft);
  background: #fffaf9;
  border: 1px solid var(--red-line);
  border-radius: var(--radius);
  font-weight: 650;
  box-shadow: 0 10px 24px rgba(181, 71, 63, 0.04);
}

.mistake-list li::before {
  content: "!";
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 12px;
  color: var(--red);
  background: #ffffff;
  border: 1px solid var(--red-line);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 800;
}

.questions-section {
  background: #ffffff;
}

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

.question-grid article {
  min-height: 210px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(7, 32, 77, 0.05);
}

.question-grid h3 {
  color: var(--blue-deep);
}

.resources-section {
  background: #ffffff;
}

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

.resource-card {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(7, 32, 77, 0.06);
}

.resource-card h3 {
  color: var(--blue-deep);
  font-size: 1rem;
}

.resource-card p + p {
  margin-top: 12px;
}

.resource-card a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 20px;
  color: var(--blue-deep);
  font-weight: 800;
  text-decoration: none;
}

.resource-card a::after {
  content: ">";
  font-size: 1.3rem;
}

.sponsor-section {
  color: #ffffff;
  background:
    radial-gradient(circle at 16% 20%, rgba(60, 139, 220, 0.55), transparent 28%),
    linear-gradient(135deg, #00336c 0%, #064c9e 55%, #002b64 100%);
}

.sponsor-section p {
  color: #e8f2ff;
}

.sponsor-mark {
  display: flex;
  align-items: center;
  min-height: 260px;
  padding-right: clamp(28px, 4vw, 58px);
  border-right: 1px solid rgba(255, 255, 255, 0.38);
}

.sponsor-mark img {
  display: block;
  width: min(100%, 330px);
  height: auto;
  padding: 26px;
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 20px 46px rgba(0, 19, 51, 0.22);
}

.cta-strip {
  margin-top: 28px;
}

.cta-strip p {
  flex-basis: 100%;
  font-size: 1.1rem;
  font-weight: 750;
}

.site-footer {
  display: grid;
  grid-template-columns: 0.7fr 1.4fr 0.8fr;
  gap: 28px;
  align-items: start;
  padding: 34px max(20px, calc((100vw - var(--container)) / 2));
  color: #4f5d73;
  background: #f4f8fd;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand img {
  display: block;
  width: 156px;
  height: auto;
  margin-bottom: 12px;
}

.footer-brand strong {
  color: var(--ink);
  font-size: 1rem;
}

.footer-links {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: nowrap;
  gap: 16px;
  justify-content: flex-start;
}

.footer-links a {
  color: var(--blue-deep);
  font-weight: 750;
  text-decoration: none;
}

.copyright {
  grid-column: 1 / -1;
  color: var(--muted);
}

@media (max-width: 1080px) {
  html {
    scroll-padding-top: 36px;
  }

  .section[id],
  #top {
    scroll-margin-top: 36px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero-content,
  .section-grid,
  .split-section,
  .sponsor-section,
  .mistakes-grid,
  .ai-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

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

  .resource-grid,
  .question-grid,
  .mistake-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .sponsor-mark {
    min-height: auto;
    padding-right: 0;
    padding-bottom: 28px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.38);
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 88px;
  }

  .section[id],
  #top {
    scroll-margin-top: 88px;
  }

  .nav-links {
    gap: 10px;
    font-size: 0.86rem;
  }

  .nav-links a:not(.nav-cta) {
    padding: 0.4rem 0;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero {
    background: #ffffff;
  }

  .hero-content {
    gap: 34px;
  }

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

  .hero-visual {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    transform: none;
  }

  .reason-list,
  .service-grid,
  .resource-grid,
  .question-grid,
  .mistake-list,
  .mini-list {
    grid-template-columns: 1fr;
  }

  .reason-list article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-card {
    min-height: auto;
  }

  .resource-card {
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .brand {
    align-items: flex-start;
  }

  .hero-visual {
    display: flex;
    margin-top: -10px;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}