:root {
  --edai-background: #f8f8f8;
  --edai-foreground: #2c2c2e;
  --edai-slate: #4a5a75;
  --edai-cobalt: #2f6db1;
  --edai-gold: #e1b24a;
  --edai-teal: #3a8d8e;
  --edai-sky: #dde3ea;
  --edai-steel: #6b6e74;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--edai-background);
  color: var(--edai-foreground);
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
*, *::before, *::after { box-sizing: border-box; }
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed !important;
  z-index: 99999;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 10px 16px;
  margin: 0;
  clip: auto;
  color: #fff;
  background: #263247;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.2;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button:focus-visible, button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid rgba(47, 109, 177, .38);
  outline-offset: 3px;
}
.button.primary { color: #fff; background: var(--edai-slate); }
.button.primary:hover { background: #394a66; }
.button.outline { color: var(--edai-slate); border-color: var(--edai-slate); background: #fff; }
.button.outline:hover { color: #fff; background: var(--edai-slate); }
.button.large { min-height: 50px; padding-inline: 24px; }
.button.gold { color: #2c3545; background: var(--edai-gold); }
.button.gold:hover { background: #e8c56f; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(74, 90, 117, .14);
  background: rgba(248, 248, 248, .94);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 18px; }
.brand img { width: 154px; max-height: 44px; object-fit: contain; }
.brand span {
  color: var(--edai-steel);
  font-size: .82rem;
  border-left: 1px solid #cdd2da;
  padding-left: 18px;
}
.site-header nav { display: flex; align-items: center; gap: 24px; }
.site-header nav > a:not(.header-cta) { color: var(--edai-slate); font-weight: 700; font-size: .93rem; }
.header-cta { color: #fff; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 104px;
  background:
    radial-gradient(circle at 85% 14%, rgba(225, 178, 74, .16), transparent 28%),
    linear-gradient(135deg, #f8f8f8 0%, #f8f8f8 56%, #eef2f6 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .42;
  background-image:
    linear-gradient(rgba(74,90,117,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,90,117,.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to right, black, transparent 60%);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 84px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--edai-cobalt);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero h1,
.section-heading h2,
.services-section h2,
.download-copy h2 {
  margin: 0;
  color: #26364f;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: 1.06;
}
.hero h1 { max-width: 760px; font-size: clamp(3rem, 6.1vw, 5.75rem); }
.hero-lede {
  max-width: 670px;
  margin: 28px 0 0;
  color: #53575f;
  font-size: 1.15rem;
  line-height: 1.78;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 36px;
  color: #5e6470;
  font-size: .87rem;
  font-weight: 700;
}
.trust-row span { display: inline-flex; align-items: center; gap: 7px; }
.trust-row b { color: var(--edai-teal); }
.hero-visual { position: relative; min-height: 560px; }
.image-frame {
  position: absolute;
  inset: 0 0 44px 42px;
  overflow: hidden;
  border-radius: 180px 180px 28px 28px;
  box-shadow: 0 28px 80px rgba(36, 54, 79, .16);
}
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(32,50,75,.22), transparent 45%);
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.insight-card {
  position: absolute;
  left: -10px;
  bottom: 0;
  width: min(315px, 76%);
  padding: 24px 26px 26px;
  border-left: 5px solid var(--edai-gold);
  border-radius: 0 18px 18px 0;
  background: #fff;
  box-shadow: 0 24px 60px rgba(38,54,79,.18);
}
.insight-card > span {
  color: var(--edai-teal);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.insight-card strong {
  display: block;
  margin-top: 8px;
  color: #26364f;
  font-family: Georgia, serif;
  font-size: 1.45rem;
}
.insight-card p { margin: 8px 0 0; color: #656970; font-size: .91rem; line-height: 1.55; }

.guide-section { padding: 112px 0 124px; background: #fff; }
.section-heading {
  display: grid;
  grid-template-columns: 1fr .82fr;
  gap: 80px;
  align-items: end;
}
.section-heading h2, .services-section h2, .download-copy h2 { font-size: clamp(2.5rem, 4.3vw, 4.2rem); }
.section-heading > p { margin: 0 0 6px; color: #646870; font-size: 1.04rem; line-height: 1.75; }
.role-tabs {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 44px;
  padding: 7px;
  border: 1px solid #d8dde4;
  border-radius: 17px;
  background: #eef1f5;
}
.role-tab {
  min-height: 54px;
  padding: 9px 16px;
  border: 0;
  border-radius: 11px;
  color: #5a6170;
  background: transparent;
  font-weight: 700;
}
.role-tab.active {
  color: #fff;
  background: var(--edai-slate);
  box-shadow: 0 8px 20px rgba(45, 60, 84, .16);
}
.role-context {
  margin: 17px 0 0;
  color: #68707c;
  text-align: center;
  font-size: .94rem;
}
.qa-grid {
  display: grid;
  grid-template-columns: minmax(320px, .83fr) minmax(0, 1.17fr);
  gap: 28px;
  margin-top: 42px;
  align-items: stretch;
}
.question-list {
  overflow: hidden;
  border: 1px solid #d9dee5;
  border-radius: 18px;
  background: #fbfbfc;
}
.question {
  width: 100%;
  min-height: 73px;
  display: grid;
  grid-template-columns: 38px 1fr 20px;
  gap: 12px;
  align-items: center;
  padding: 15px 17px;
  border: 0;
  border-bottom: 1px solid #e1e4e9;
  color: #555b66;
  background: transparent;
  text-align: left;
  transition: background .2s ease, color .2s ease;
}
.question:last-child { border-bottom: 0; }
.question:hover { background: #edf2f7; }
.question > span { color: #9aa1aa; font-size: .76rem; font-weight: 800; letter-spacing: .09em; }
.question strong { font-size: .91rem; line-height: 1.35; }
.question > b { font-size: 1.35rem; font-weight: 400; opacity: .45; }
.question.active { color: #fff; background: var(--edai-slate); }
.question.active > span, .question.active > b { color: var(--edai-gold); opacity: 1; }
.answer-panel {
  position: sticky;
  top: 110px;
  min-height: 570px;
  display: flex;
  flex-direction: column;
  padding: clamp(34px, 5vw, 64px);
  border-radius: 20px;
  background: #f1f4f7;
  box-shadow: inset 0 0 0 1px rgba(74,90,117,.08);
}
.answer-number {
  color: var(--edai-teal);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.answer-panel h3 {
  margin: 23px 0 20px;
  color: #293a55;
  font-family: Georgia, serif;
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -.025em;
}
.answer-panel > p { margin: 0; color: #505761; font-size: 1.16rem; line-height: 1.78; }
.answer-rule { width: 78px; height: 4px; margin: 36px 0 24px; border-radius: 9px; background: var(--edai-gold); }
.answer-panel .answer-note { max-width: 590px; color: var(--edai-steel); font-size: .92rem; }
.next-question {
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 0;
  border: 0;
  color: var(--edai-cobalt);
  background: transparent;
  font-weight: 700;
}

.services-section { padding: 104px 0; color: #fff; background: #3f4f69; }
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.eyebrow.light { color: #e8c56f; }
.services-section h2 { color: #fff; }
.services-copy > p { margin: 0; color: #e4e7ec; font-size: 1.08rem; line-height: 1.8; }
.services-copy ul { list-style: none; padding: 0; margin: 30px 0; display: grid; gap: 13px; }
.services-copy li { display: flex; gap: 11px; align-items: center; color: #f6f7f8; }
.services-copy li b { color: var(--edai-gold); }

.download-section { padding: 112px 0; background: #e8edf2; }
.download-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 92px; align-items: center; }
.download-copy > p:not(.eyebrow) { max-width: 560px; margin: 24px 0 0; color: #626872; font-size: 1.05rem; line-height: 1.75; }
.guide-preview { display: flex; gap: 16px; align-items: center; margin-top: 34px; }
.guide-mark {
  width: 52px;
  height: 62px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 6px 6px 6px 16px;
  background: var(--edai-teal);
  font-size: 1.4rem;
}
.guide-preview strong, .guide-preview span { display: block; }
.guide-preview strong { color: #35455f; }
.guide-preview span { margin-top: 3px; color: #767b83; font-size: .86rem; }
.lead-form {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(74,90,117,.12);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 26px 70px rgba(39, 57, 82, .12);
}
.form-heading { margin-bottom: 26px; }
.form-heading > span {
  color: var(--edai-teal);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.form-heading h3 { margin: 6px 0 0; color: #2d3d57; font-family: Georgia, serif; font-size: 2rem; font-weight: 500; }
.lead-form > label:not(.consent-row):not(.honeypot) {
  display: grid;
  gap: 7px;
  margin-top: 15px;
  color: #454b55;
  font-size: .87rem;
  font-weight: 700;
}
.lead-form input:not([type="checkbox"]), .lead-form select {
  width: 100%;
  height: 46px;
  padding: 8px 12px;
  border: 1px solid #cbd1da;
  border-radius: 8px;
  color: #2c2c2e;
  background: #fbfbfc;
}
.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
  color: #686e77;
  font-size: .86rem;
  font-weight: 400;
  line-height: 1.5;
}
.consent-row input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--edai-slate); }
.honeypot { position: absolute !important; left: -9999px !important; }
.submit-button { width: 100%; border: 0; }
.privacy-copy { margin: 14px 0 0; color: #7b8088; font-size: .76rem; line-height: 1.5; text-align: center; }
.privacy-copy a { color: var(--edai-cobalt); text-decoration: underline; }
.form-message { min-height: 24px; margin: 13px 0 0; color: #3f6f70; font-size: .86rem; text-align: center; }
.form-message.error { color: #a12b22; }
.download-button { width: 100%; margin-top: 8px; border-color: var(--edai-teal); color: #2d6d6e; }

.site-footer { padding: 54px 0 24px; color: #dfe4ea; background: #263247; }
.footer-main { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-brand img { width: 150px; filter: brightness(0) invert(1); opacity: .9; }
.footer-brand p { margin: 7px 0 0; color: #b8c0cc; font-size: .84rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 26px; font-size: .9rem; }
.footer-links a:hover { color: var(--edai-gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  margin-top: 34px;
  padding-top: 21px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: #9fa9b7;
  font-size: .78rem;
}
.refresh-wrap { display: flex; align-items: center; gap: 13px; }
.refresh-button {
  padding: 8px 0;
  border: 0;
  color: #cbd3dd;
  background: transparent;
}
.refresh-button:hover { color: #fff; }
.refresh-button.loading span { display: inline-block; animation: spin 1s linear infinite; }
.refresh-message { min-width: 170px; }
@keyframes spin { to { transform: rotate(360deg); } }

.fallback-content { min-height: 70vh; padding-block: 80px; }
.fallback-content h1 { color: #26364f; font-family: Georgia, serif; font-size: clamp(2.5rem, 5vw, 4rem); }

@media (max-width: 900px) {
  .brand span, .site-header nav > a:not(.header-cta) { display: none; }
  .hero { padding-top: 62px; }
  .hero-grid, .section-heading, .services-grid, .download-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { min-height: 520px; max-width: 620px; width: 100%; margin: 0 auto; }
  .section-heading { align-items: start; }
  .section-heading > p { max-width: 640px; }
  .qa-grid { grid-template-columns: 1fr; }
  .question-list { display: grid; grid-template-columns: 1fr 1fr; }
  .question:nth-last-child(2) { border-bottom: 0; }
  .question:nth-child(odd) { border-right: 1px solid #e1e4e9; }
  .answer-panel { position: static; min-height: 480px; }
  .footer-bottom { align-items: flex-start; }
  .refresh-wrap { align-items: flex-end; flex-direction: column; text-align: right; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1160px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 132px; }
  .header-cta { min-height: 38px; padding-inline: 14px; font-size: .8rem; }
  .hero { padding: 56px 0 76px; }
  .hero h1 { font-size: clamp(2.85rem, 13vw, 4.2rem); }
  .hero-lede { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .trust-row { display: grid; grid-template-columns: 1fr; gap: 9px; }
  .hero-visual { min-height: 430px; }
  .image-frame { inset: 0 0 44px 18px; border-radius: 130px 130px 22px 22px; }
  .insight-card { left: 0; padding: 20px; }
  .guide-section, .download-section { padding: 78px 0; }
  .role-tabs { grid-template-columns: 1fr; }
  .role-tab { min-height: 46px; }
  .role-context { text-align: left; }
  .question-list { display: block; }
  .question { min-height: 68px; border-right: 0 !important; border-bottom: 1px solid #e1e4e9 !important; }
  .question:last-child { border-bottom: 0 !important; }
  .answer-panel { min-height: 480px; padding: 30px 24px; }
  .services-section { padding: 80px 0; }
  .footer-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .refresh-wrap { align-items: flex-start; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}