.ai-hero,
.ai-inner,
.ai-judgment,
.ai-example,
.ai-cost,
.ai-conclusion {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

.ai-hero {
  min-height: 640px;
  padding: 88px 0 74px;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 9vw;
  align-content: start;
  align-items: end;
}
.ai-hero h1 { max-width: 940px; margin: 0; font-size: clamp(66px, 9vw, 124px); line-height: .92; }
.ai-hero-copy { padding: 0 0 8px 24px; border-left: 2px solid var(--blue); color: var(--muted); font-size: 16px; }
.ai-hero-copy p { margin: 0 0 20px; }
.ai-hero-copy p:last-child { margin-bottom: 0; color: var(--ink); }

.ai-power {
  color: var(--paper);
  background: var(--ink);
}
.ai-inner { padding: 104px 0; }
.ai-power .label { color: #8ea4ff; }
.ai-power-intro,
.ai-section-intro {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 9vw;
  align-items: end;
  margin-bottom: 58px;
}
.ai-power-intro h2,
.ai-section-intro h2 { max-width: 800px; font-size: clamp(48px, 6.5vw, 88px); }
.ai-power-intro > p,
.ai-section-intro > p { max-width: 530px; margin: 0 0 6px; color: #aaa; font-size: 15px; }
.power-grid,
.cost-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #777; border-left: 1px solid #777; }
.power-grid article,
.cost-grid article { min-height: 280px; padding: 30px; border-right: 1px solid #777; border-bottom: 1px solid #777; }
.power-grid code { color: #8ea4ff; font: 500 11px/1 "IBM Plex Mono", monospace; }
.power-grid h3,
.cost-grid h3 { margin: 70px 0 10px; font-size: 25px; }
.power-grid p { margin: 0; color: #aaa; font-size: 13px; }

.ai-judgment,
.ai-cost { padding: 104px 0; }
.ai-judgment .ai-section-intro > p,
.ai-cost .ai-section-intro > p { color: var(--muted); }
.prompt-cycle { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.prompt-cycle li { min-height: 158px; display: grid; grid-template-columns: 100px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.prompt-cycle > li > span { align-self: start; padding-top: 42px; color: var(--blue); font: 500 11px/1 "IBM Plex Mono", monospace; }
.prompt-cycle li div { display: grid; grid-template-columns: .85fr 1fr; gap: 8vw; align-items: baseline; }
.prompt-cycle h3 { margin: 0; font-size: clamp(26px, 3vw, 39px); }
.prompt-cycle p { max-width: 510px; margin: 0; color: var(--muted); font-size: 14px; }

.ai-example { width: 100%; max-width: none; padding: 104px max(32px, calc((100vw - 1240px) / 2)); color: var(--paper); background: var(--blue); }
.ai-example .label { color: var(--paper); opacity: .72; }
.example-story { display: grid; grid-template-columns: 1.1fr .9fr; gap: 9vw; align-items: end; }
.example-story .label { grid-column: 1 / -1; }
.example-story h2 { max-width: 760px; font-size: clamp(50px, 6.8vw, 94px); }
.example-copy { font-size: 15px; }
.example-copy p { margin: 0 0 20px; color: rgba(244, 242, 236, .76); }
.example-copy p:last-child { margin-bottom: 0; color: var(--paper); }
.experiment-link {
  margin-top: 68px;
  min-height: 190px;
  padding: 30px 34px;
  display: grid;
  grid-template-columns: .65fr 1.35fr auto;
  gap: 30px;
  align-items: center;
  border: 1px solid rgba(244, 242, 236, .65);
  text-decoration: none;
  transition: color .18s ease, background .18s ease;
}
.experiment-link:hover { color: var(--ink); background: var(--paper); }
.experiment-link span { font: 500 10px/1.4 "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.experiment-link strong { max-width: 720px; font-size: clamp(24px, 3vw, 40px); line-height: 1.12; letter-spacing: -.04em; }
.experiment-link b { font-size: 32px; font-weight: 400; }

.cost-grid { border-color: var(--line); }
.cost-grid article { min-height: 260px; border-color: var(--line); }
.cost-grid code { color: var(--blue); font: 500 11px/1 "IBM Plex Mono", monospace; }
.cost-grid h3 { margin-top: 58px; }
.cost-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.ai-conclusion { padding: 104px 0; display: grid; grid-template-columns: 1.1fr .9fr; gap: 9vw; align-items: end; border-top: 1px solid var(--ink); }
.ai-conclusion .label { grid-column: 1 / -1; }
.ai-conclusion h2 { font-size: clamp(50px, 7vw, 96px); }
.ai-conclusion > div { padding-left: 24px; border-left: 2px solid var(--blue); color: var(--muted); }
.ai-conclusion > div p { margin: 0 0 20px; }
.ai-conclusion > div p:last-child { margin-bottom: 0; color: var(--ink); font-weight: 700; }

.ai-cta { width: 100%; padding: 94px max(32px, calc((100vw - 1240px) / 2)); color: var(--paper); background: var(--ink); }
.ai-cta .label { color: #8ea4ff; }
.ai-cta h2 { max-width: 1120px; margin-bottom: 30px; font-size: clamp(56px, 8vw, 112px); }
.ai-cta > p { max-width: 650px; margin: 0 0 34px; color: #aaa; font-size: 16px; }

@media (max-width: 850px) {
  .ai-hero, .ai-inner, .ai-judgment, .ai-cost, .ai-conclusion { width: min(100% - 36px, 1240px); }
  .ai-hero { min-height: auto; padding: 70px 0 64px; grid-template-columns: 1fr; gap: 46px; }
  .ai-hero-copy { max-width: 570px; }
  .ai-inner, .ai-judgment, .ai-cost { padding: 76px 0; }
  .ai-power-intro, .ai-section-intro, .example-story, .ai-conclusion { grid-template-columns: 1fr; gap: 30px; }
  .example-story .label, .ai-conclusion .label { grid-column: 1; }
  .power-grid, .cost-grid { grid-template-columns: 1fr; }
  .power-grid article, .cost-grid article { min-height: 220px; }
  .prompt-cycle li { grid-template-columns: 48px 1fr; gap: 10px; padding: 30px 0; }
  .prompt-cycle li div { grid-template-columns: 1fr; gap: 10px; }
  .ai-example { padding: 76px 18px; }
  .experiment-link { grid-template-columns: 1fr auto; }
  .experiment-link span { grid-column: 1 / -1; }
  .ai-conclusion { padding: 76px 0; }
  .ai-cta { padding: 76px 18px; }
}

@media (max-width: 560px) {
  .ai-hero h1 { font-size: clamp(50px, 15vw, 64px); }
  .experiment-link { min-height: 230px; padding: 24px; }
}