:root {
  --ai-ink: #102c43;
  --ai-muted: #5d7180;
  --ai-line: rgba(16, 44, 67, .13);
  --ai-paper: #f3f8fc;
  --ai-blue: #1559ff;
  --ai-blue-dark: #073bb8;
  --ai-violet: #7248f5;
  --ai-cyan: #26c5e5;
  --ai-lime: #c9f06f;
  --ai-night: #081a2b;
}

html { scroll-behavior: smooth; }

body {
  background: #fff;
  color: var(--ai-ink);
  font-family: 'Inter', Arial, sans-serif;
}

.story-nav {
  align-items: center;
  background: rgba(247, 250, 252, .96) !important;
  border-bottom: 1px solid var(--ai-line);
  box-shadow: 0 12px 34px rgba(16, 44, 67, .08);
  display: flex !important;
  justify-content: center;
  min-height: 72px;
  padding: 0 !important;
  width: 100%;
}

.story-nav-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  max-width: 1180px;
  padding: 0 28px;
  width: 100%;
}

.story-nav .navbar-brand {
  color: var(--ai-ink) !important;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  padding: 0;
}

.story-nav .logoblack { background: var(--ai-lime); color: #12312a; padding: 1px 3px; }
.story-nav .logogrey { background: #f7f0df; border: 1px solid rgba(38, 82, 71, .22); color: #265247; padding: 1px 3px; }

.story-back-link {
  align-items: center;
  background: #fff;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  color: var(--ai-ink) !important;
  display: inline-flex;
  font-weight: 700;
  gap: 9px;
  line-height: 1;
  padding: 12px 16px;
}

.story-back-link:hover { background: #edf4ff; color: var(--ai-ink) !important; text-decoration: none; }

.ai-hero {
  align-items: center;
  background:
    linear-gradient(112deg, rgba(8, 26, 43, .99), rgba(11, 38, 72, .98) 57%, rgba(20, 49, 102, .98)),
    var(--ai-night);
  display: flex;
  min-height: 760px;
  overflow: hidden;
  position: relative;
}

.ai-hero::after {
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 64px 64px;
  content: '';
  inset: 0;
  mask-image: linear-gradient(90deg, transparent, #000 36%, #000);
  opacity: .55;
  position: absolute;
}

.ai-orb { border-radius: 50%; filter: blur(4px); opacity: .36; position: absolute; }
.ai-orb-one { background: var(--ai-blue); height: 520px; right: -170px; top: -180px; width: 520px; }
.ai-orb-two { background: var(--ai-violet); bottom: -230px; height: 470px; left: 38%; width: 470px; }

.ai-hero-grid {
  align-items: end;
  display: grid;
  gap: clamp(36px, 6vw, 84px);
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  padding: 138px 0 84px;
  position: relative;
  z-index: 2;
}

.ai-kicker,
.story-eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.ai-kicker { color: #92dfff; }
.story-eyebrow { color: var(--ai-blue); }

.ai-hero h1,
.ai-heading,
.ai-subheading,
.case-rail-heading h2 {
  font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
}

.ai-hero h1 {
  color: #fff;
  font-size: clamp(50px, 6.3vw, 88px);
  font-weight: 700;
  letter-spacing: -.055em;
  line-height: .98;
  margin: 0 0 24px;
  max-width: 900px;
}

.ai-hero-copy > p {
  color: rgba(255, 255, 255, .78);
  font-size: 20px;
  line-height: 1.65;
  margin: 0;
  max-width: 810px;
}

.ai-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.ai-tags span { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px; color: #fff; font-size: 13px; font-weight: 700; padding: 10px 14px; }

.ai-hero-meta {
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, .95);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .32);
  padding: 26px;
}

.ai-meta-label { color: var(--ai-blue); display: block; font-size: 11px; font-weight: 800; letter-spacing: .12em; margin-bottom: 8px; text-transform: uppercase; }
.ai-hero-meta > strong { color: var(--ai-ink); display: block; font-size: 27px; letter-spacing: -.03em; line-height: 1.13; margin-bottom: 22px; }
.ai-facts { display: grid; gap: 13px; }
.ai-facts div { border-top: 1px solid var(--ai-line); padding-top: 13px; }
.ai-facts span { color: var(--ai-muted); display: block; font-size: 10px; font-weight: 800; letter-spacing: .12em; margin-bottom: 4px; text-transform: uppercase; }
.ai-facts strong { color: var(--ai-ink); display: block; font-size: 14px; font-weight: 800; line-height: 1.4; }

.ai-section { background: #fff; padding: clamp(76px, 7vw, 116px) 0; }
.ai-section.soft { background: var(--ai-paper); }
.ai-section.dark { background: var(--ai-night); color: #fff; }
.ai-section.dark .story-eyebrow { color: #89dcff; }

.ai-two-col { align-items: start; display: grid; gap: clamp(36px, 6vw, 80px); grid-template-columns: minmax(0, .78fr) minmax(0, 1fr); }
.ai-two-col.compact { grid-template-columns: minmax(0, .72fr) minmax(0, 1fr); }
.ai-heading { color: var(--ai-ink); font-size: clamp(38px, 4.5vw, 62px); font-weight: 700; letter-spacing: -.05em; line-height: 1.02; margin: 0; }
.dark .ai-heading { color: #fff; }
.ai-subheading { color: inherit; font-size: clamp(30px, 3.6vw, 48px); font-weight: 700; letter-spacing: -.04em; line-height: 1.05; margin: 0; }
.ai-lede { color: var(--ai-muted); font-size: 19px; line-height: 1.72; margin: 0 0 18px; }
.dark .ai-lede { color: rgba(255, 255, 255, .72); }

.ai-proof { background: #fff; border: 1px solid var(--ai-line); border-radius: 18px; box-shadow: 0 18px 48px rgba(16, 44, 67, .08); margin: 44px 0 0; overflow: hidden; }
.ai-proof img { display: block; height: auto; width: 100%; }
.ai-proof figcaption { color: var(--ai-muted); font-size: 14px; font-weight: 700; line-height: 1.5; padding: 18px 20px 20px; }
.dark .ai-proof { background: rgba(255, 255, 255, .055); border-color: rgba(255, 255, 255, .14); box-shadow: none; }
.dark .ai-proof figcaption { color: rgba(255, 255, 255, .72); }
.ai-overview-figure { margin-left: auto; margin-right: auto; max-width: 970px; }

.ai-principles { display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 36px; }
.ai-principles article { background: #fff; border: 1px solid var(--ai-line); border-radius: 16px; box-shadow: 0 12px 34px rgba(16, 44, 67, .05); padding: 24px; }
.ai-principles span { color: var(--ai-blue); display: block; font-size: 12px; font-weight: 800; letter-spacing: .12em; margin-bottom: 28px; }
.ai-principles h3 { color: var(--ai-ink); font-size: 20px; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; margin: 0 0 10px; }
.ai-principles p { color: var(--ai-muted); font-size: 14px; line-height: 1.6; margin: 0; }

.ai-team-enablement {
  align-items: start;
  background: linear-gradient(135deg, #e8f1ff, #f4f0ff);
  border: 1px solid rgba(21, 89, 255, .16);
  border-radius: 20px;
  display: grid;
  gap: clamp(30px, 5vw, 66px);
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  margin-top: 36px;
  padding: clamp(28px, 4.5vw, 48px);
}

.ai-team-enablement-copy h3 {
  color: var(--ai-ink);
  font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.06;
  margin: 0 0 16px;
}

.ai-team-enablement-copy p {
  color: var(--ai-muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

.ai-team-enablement-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-team-enablement-grid article {
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(16, 44, 67, .11);
  border-radius: 14px;
  min-height: 170px;
  padding: 22px;
}

.ai-team-enablement-grid span {
  color: var(--ai-blue-dark);
  display: block;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 28px;
}

.ai-team-enablement-grid p {
  color: var(--ai-muted);
  font-size: 13px;
  line-height: 1.58;
  margin: 0;
}

.ai-stage-heading { align-items: start; display: grid; gap: 24px; grid-template-columns: 70px minmax(0, 1fr); max-width: 980px; }
.ai-stage-number { align-items: center; background: var(--ai-blue); border-radius: 17px; box-shadow: 0 12px 30px rgba(21, 89, 255, .2); color: #fff; display: flex; font-family: 'Space Grotesk', sans-serif; font-size: 23px; font-weight: 700; height: 60px; justify-content: center; width: 60px; }
.dark .ai-stage-number { background: linear-gradient(135deg, var(--ai-cyan), var(--ai-blue)); }
.ai-stage-copy { display: grid; gap: clamp(36px, 6vw, 86px); grid-template-columns: minmax(0, 1fr) minmax(290px, .63fr); margin: 36px 0 0 94px; max-width: 1050px; }

.ai-list { color: var(--ai-muted); font-size: 15px; line-height: 1.6; margin: 0; padding-left: 22px; }
.ai-list li { margin-bottom: 10px; }
.dark .ai-list { color: rgba(255, 255, 255, .7); }

.ai-proof-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 44px; }
.ai-proof-grid .ai-proof { margin: 0; }
.delivery-grid { grid-template-columns: minmax(0, 1.45fr) minmax(290px, .55fr); }

.ai-bento { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 44px; }
.ai-bento .ai-proof { margin: 0; }
.ai-bento-tall { grid-column: 1 / -1; justify-self: center; max-width: 940px; width: 100%; }

.ai-subsection { border-top: 1px solid rgba(255, 255, 255, .13); margin-top: 88px; padding-top: 76px; }
.ai-plugin-grid { align-items: start; display: grid; gap: 18px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 44px; }
.ai-plugin-grid .ai-proof { margin: 0; }

.ai-content-proof { margin-left: 94px; max-width: 980px; }

.ai-quality-flow { align-items: center; display: grid; gap: 18px; grid-template-columns: 1fr auto 1fr auto 1fr; margin-top: 48px; }
.ai-quality-flow article { background: var(--ai-paper); border: 1px solid var(--ai-line); border-radius: 18px; min-height: 220px; padding: 28px; }
.ai-quality-flow > i { color: var(--ai-blue); font-size: 24px; }
.ai-quality-flow span, .ai-measure-grid span { color: var(--ai-blue); display: block; font-size: 11px; font-weight: 800; letter-spacing: .12em; margin-bottom: 28px; text-transform: uppercase; }
.ai-quality-flow h3, .ai-measure-grid h3 { color: var(--ai-ink); font-size: 23px; font-weight: 800; letter-spacing: -.025em; line-height: 1.15; margin: 0 0 12px; }
.ai-quality-flow p, .ai-measure-grid p { color: var(--ai-muted); font-size: 14px; line-height: 1.6; margin: 0; }
.ai-outcome-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 18px; }
.ai-outcome-grid article { border: 1px solid var(--ai-line); border-radius: 14px; padding: 22px; }
.ai-outcome-grid strong { color: var(--ai-ink); display: block; font-size: 17px; margin-bottom: 7px; }
.ai-outcome-grid span { color: var(--ai-muted); font-size: 13px; line-height: 1.55; }

.ai-section.measure { background: linear-gradient(135deg, #071827, #0a2a4d 66%, #123e79); }
.ai-measure-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 48px; }
.ai-measure-grid article { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: 16px; min-height: 220px; padding: 25px; }
.ai-measure-grid span { color: #8be2ff; }
.ai-measure-grid h3 { color: #fff; }
.ai-measure-grid p { color: rgba(255, 255, 255, .68); }
.ai-loop-statement { align-items: center; border-top: 1px solid rgba(255, 255, 255, .15); color: #fff; display: flex; flex-wrap: wrap; font-family: 'Space Grotesk', sans-serif; font-size: clamp(22px, 3vw, 38px); font-weight: 700; gap: clamp(14px, 2.4vw, 34px); justify-content: center; letter-spacing: -.03em; margin-top: 54px; padding-top: 44px; }
.ai-loop-statement i { color: #8be2ff; font-size: .65em; }

.case-rail-section { background: #eff4f8; border-top: 1px solid var(--ai-line); padding: 76px 0 88px; }
.case-rail-header { align-items: end; display: flex; justify-content: space-between; margin-bottom: 28px; }
.case-rail-heading h2 { color: var(--ai-ink); font-size: clamp(36px, 4vw, 54px); letter-spacing: -.04em; margin: 0; }
.case-rail-header p { color: var(--ai-muted); max-width: 520px; }
.case-rail { display: grid; gap: 18px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.case-rail-card { background: #fff; border: 1px solid var(--ai-line); border-radius: 14px; color: var(--ai-ink); overflow: hidden; text-decoration: none !important; transition: transform .25s ease, box-shadow .25s ease; }
.case-rail-card:hover { box-shadow: 0 18px 40px rgba(16, 44, 67, .12); color: var(--ai-ink); transform: translateY(-4px); }
.case-rail-card figure { margin: 0; }
.case-rail-card img { display: block; height: auto; width: 100%; }
.case-rail-copy { padding: 18px; }
.case-rail-copy strong { display: block; font-size: 19px; margin-bottom: 6px; }
.case-rail-copy span { color: var(--ai-muted); display: block; font-size: 13px; line-height: 1.5; }

.story-footer { background: #071827; color: rgba(255, 255, 255, .7); padding: 32px 0; }
.story-footer .footer-bottom { border: 0 !important; padding: 0 !important; }

@media (max-width: 1100px) {
  .ai-plugin-grid, .ai-principles, .ai-measure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 991px) {
  .ai-hero-grid, .ai-two-col, .ai-two-col.compact, .ai-stage-copy, .ai-team-enablement { grid-template-columns: 1fr; }
  .ai-hero { min-height: auto; }
  .ai-hero-grid { padding: 120px 0 72px; }
  .ai-hero-meta { max-width: 560px; }
  .ai-stage-copy { gap: 12px; margin-left: 94px; }
  .ai-proof-grid, .delivery-grid { grid-template-columns: 1fr; }
  .ai-content-proof { margin-left: 0; }
  .case-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .story-nav-inner { padding: 0 18px; }
  .story-back-link { padding: 10px 12px; }
  .ai-hero h1 { font-size: clamp(42px, 13vw, 64px); }
  .ai-hero-copy > p { font-size: 18px; }
  .ai-stage-heading { grid-template-columns: 54px minmax(0, 1fr); }
  .ai-stage-number { border-radius: 14px; font-size: 18px; height: 48px; width: 48px; }
  .ai-stage-copy { margin-left: 0; }
  .ai-bento { grid-template-columns: 1fr; }
  .ai-bento-tall { grid-column: auto; }
  .ai-quality-flow { grid-template-columns: 1fr; }
  .ai-quality-flow > i { transform: rotate(90deg); justify-self: center; }
  .ai-quality-flow article { min-height: 0; }
  .ai-outcome-grid { grid-template-columns: 1fr; }
  .ai-team-enablement-grid { grid-template-columns: 1fr; }
  .ai-team-enablement-grid article { min-height: 0; }
  .ai-team-enablement-grid span { margin-bottom: 10px; }
  .case-rail-header { display: block; }
}

@media (max-width: 560px) {
  .story-nav .navbar-brand { font-size: 16px; }
  .story-back-link { font-size: 11px; }
  .ai-stage-heading { display: block; }
  .ai-stage-number { margin-bottom: 22px; }
  .ai-principles, .ai-plugin-grid, .ai-measure-grid, .case-rail { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .case-rail-card { transition: none; }
  .case-rail-card:hover { transform: none; }
}