.ab-hero {
    position: relative;
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 14vh, 160px) var(--pad-x) clamp(40px, 6vh, 80px);
  }
  .ab-hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: end;
  }
  @media (max-width: 980px) { .ab-hero-grid { grid-template-columns: 1fr; gap: 32px; } }
  .ab-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(56px, 9vw, 132px);
    line-height: 0.92;
    letter-spacing: -0.035em;
    font-weight: 400;
    margin: 26px 0 0;
  }
  .ab-hero h1 .y { color: var(--qai); }
  .ab-hero h1 .r { color: var(--quaxis); }
  .ab-hero h1 .v { color: var(--qbit); }
  .ab-hero h1 .dim { color: var(--fg-4); }
  .ab-hero .lead { color: var(--fg-2); margin: 0; padding-bottom: 14px; max-width: 44ch; }
  .ab-hero .lead .accent {
    background: linear-gradient(90deg, var(--qai), var(--quaxis), var(--qbit));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 500;
  }

  .ab-tag {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background:
      radial-gradient(800px 300px at 20% 50%, color-mix(in oklab, var(--qai) 7%, transparent) 0%, transparent 60%),
      radial-gradient(800px 300px at 80% 50%, color-mix(in oklab, var(--qbit) 7%, transparent) 0%, transparent 60%);
  }
  .ab-tag-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(60px, 10vh, 110px) var(--pad-x);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
  }
  @media (max-width: 980px) {
    .ab-tag-inner { grid-template-columns: 1fr; gap: 24px; text-align: left; }
  }
  .ab-tag p {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.6vw, 46px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
    max-width: 22ch;
  }
  .ab-tag .sep {
    width: 1px;
    height: 100px;
    background: var(--line);
    justify-self: center;
  }
  @media (max-width: 980px) { .ab-tag .sep { width: 100%; height: 1px; } }

  .ab-story {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
  }
  .ab-story-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
  }
  @media (max-width: 980px) { .ab-story-grid { grid-template-columns: 1fr; gap: 32px; } }
  .ab-story h2 {
    font-family: var(--font-display);
    font-size: clamp(36px, 4.5vw, 58px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 16px 0 0;
  }
  .ab-story-copy {
    display: grid;
    gap: 22px;
  }
  .ab-story-copy p {
    font-size: 17px;
    line-height: 1.65;
    color: var(--fg-2);
    margin: 0;
    max-width: 64ch;
  }
  .ab-story-copy p strong {
    color: var(--fg);
    font-weight: 500;
  }
  .ab-story-copy p .y { color: var(--qai); }
  .ab-story-copy p .r { color: var(--quaxis); }
  .ab-story-copy p .v { color: var(--qbit); }

  .ab-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    background:
      linear-gradient(135deg,
        color-mix(in oklab, var(--qai)    8%, var(--bg-2)),
        color-mix(in oklab, var(--quaxis) 6%, var(--bg-2)) 50%,
        color-mix(in oklab, var(--qbit)   8%, var(--bg-2))
      );
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-3);
  }
  .ab-image::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
  }
  .ab-image .ph-label {
    position: relative;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: rgba(0,0,0,0.5);
    border: 1px dashed var(--line-strong);
    border-radius: 999px;
    backdrop-filter: blur(8px);
  }
  .ab-image .ph-label::before {
    content: "";
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--fg-3);
    box-shadow: 0 0 12px var(--fg-3);
    animation: ph-blink 2s ease-in-out infinite;
  }
  @keyframes ph-blink {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
  }
  .ab-image.tall { aspect-ratio: 3 / 4; }
  .ab-image.wide { aspect-ratio: 21 / 9; }

  .ab-pillars {
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%);
  }
  .ab-pillars-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
  }
  .ab-pillars-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 56px;
    flex-wrap: wrap;
  }
  .ab-pillars-head h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 14px 0 0;
    max-width: 18ch;
  }
  .pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  @media (max-width: 980px) { .pillar-grid { grid-template-columns: 1fr; } }
  .pillar {
    --c: var(--fg);
    position: relative;
    padding: 32px 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--bg-2);
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow: hidden;
    min-height: 320px;
  }
  .pillar.y { --c: var(--qai); }
  .pillar.r { --c: var(--quaxis); }
  .pillar.v { --c: var(--qbit); }
  .pillar::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, var(--c), transparent);
  }
  .pillar-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c);
  }
  .pillar h3 {
    font-family: var(--font-display);
    font-size: 28px;
    line-height: 1.1;
    font-weight: 500;
    letter-spacing: -0.015em;
    margin: 0;
  }
  .pillar p {
    margin: 0;
    color: var(--fg-2);
    font-size: 15px;
    line-height: 1.55;
    max-width: 36ch;
  }
  .pillar-bullet {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--fg-3);
    text-transform: uppercase;
  }

  .ab-numbers {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .ab-numbers-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(50px, 7vh, 90px) var(--pad-x);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
  }
  @media (max-width: 800px) { .ab-numbers-inner { grid-template-columns: 1fr 1fr; gap: 30px; } }
  .ab-num .n {
    font-family: var(--font-display);
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1;
    letter-spacing: -0.03em;
    font-weight: 400;
  }
  .ab-num .l {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-3);
    margin-top: 10px;
  }
  .ab-num.y .n { color: var(--qai); }
  .ab-num.r .n { color: var(--quaxis); }
  .ab-num.v .n { color: var(--qbit); }

  .ab-time {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
  }
  .ab-time-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 56px;
    flex-wrap: wrap;
  }
  .ab-time-head h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 54px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 14px 0 0;
  }
  .time-list {
    display: grid;
    gap: 0;
  }
  .time-row {
    display: grid;
    grid-template-columns: 160px 200px 1fr;
    gap: 32px;
    padding: 28px 0;
    border-top: 1px solid var(--line);
    align-items: start;
  }
  .time-row:last-child { border-bottom: 1px solid var(--line); }
  @media (max-width: 800px) { .time-row { grid-template-columns: 100px 1fr; gap: 16px; } .time-row .time-name { grid-column: 2; } .time-row .time-body { grid-column: 1 / -1; } }
  .time-year {
    font-family: var(--font-display);
    font-size: 32px;
    letter-spacing: -0.02em;
    font-weight: 400;
    color: var(--fg);
  }
  .time-year.y { color: var(--qai); }
  .time-year.r { color: var(--quaxis); }
  .time-year.v { color: var(--qbit); }
  .time-name {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-3);
    padding-top: 12px;
  }
  .time-body {
    font-size: 16px;
    line-height: 1.55;
    color: var(--fg-2);
    max-width: 64ch;
    margin: 0;
  }

  .ab-values {
    border-top: 1px solid var(--line);
    background: var(--bg-1);
  }
  .ab-values-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 10vh, 120px) var(--pad-x);
  }
  .ab-values-inner h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 14px 0 48px;
    max-width: 16ch;
  }
  .val-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  @media (max-width: 980px) { .val-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 600px) { .val-grid { grid-template-columns: 1fr; } }
  .val .num {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--fg-4);
  }
  .val h4 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.015em;
    margin: 14px 0 10px;
    line-height: 1.2;
  }
  .val p {
    color: var(--fg-3);
    font-size: 14px;
    line-height: 1.55;
    margin: 0;
  }

  .ab-cap {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
  }
  .ab-cap-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
  }
  @media (max-width: 980px) { .ab-cap-grid { grid-template-columns: 1fr; } }
  .ab-cap h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 14px 0 0;
  }
  .domain-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 6px;
  }
  @media (max-width: 600px) { .domain-list { grid-template-columns: 1fr; } }
  .domain {
    padding: 14px 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg-1);
    font-size: 14px;
    color: var(--fg-2);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .domain .ix {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--fg-4);
  }

  .ab-team {
    border-top: 1px solid var(--line);
    background: var(--bg-1);
  }
  .ab-team-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
  }
  .ab-team-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 48px;
    flex-wrap: wrap;
  }
  .ab-team-head h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.2vw, 54px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-weight: 400;
    margin: 14px 0 0;
  }
  .team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  @media (max-width: 980px) { .team-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .team-grid { grid-template-columns: 1fr; } }
  .team-card .ab-image { aspect-ratio: 4 / 5; border-radius: 14px; }
  .team-card .role {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--fg-3);
    margin: 16px 0 4px;
  }
  .team-card .name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--fg);
  }

  .ab-cta {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(80px, 12vh, 140px) var(--pad-x);
    text-align: center;
    border-top: 1px solid var(--line);
  }
  .ab-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 78px);
    line-height: 1.0;
    letter-spacing: -0.03em;
    font-weight: 400;
    margin: 0 auto 28px;
    max-width: 18ch;
  }
  .ab-cta h2 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--qai), var(--quaxis), var(--qbit));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .story-vis {
    background:
      radial-gradient(900px 400px at 18% 60%, color-mix(in oklab, #888 4%, transparent), transparent 70%),
      radial-gradient(900px 400px at 82% 60%, color-mix(in oklab, #888 4%, transparent), transparent 70%),
      linear-gradient(135deg, var(--bg-2), var(--bg-1) 50%, var(--bg-2));
  }
  .story-anim {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
  }
  .story-header {
    position: absolute;
    top: 22px;
    left: 28px;
    right: 28px;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
  }
  .story-header .lbl {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--fg-3);
    padding: 7px 12px;
    background: rgba(0,0,0,0.55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border-radius: 999px;
    border: 1px solid var(--line);
    white-space: nowrap;
  }
  .story-header .lbl.c {
    color: var(--fg);
    background:
      linear-gradient(90deg,
        color-mix(in oklab, var(--qai)    35%, rgba(0,0,0,0.55)),
        color-mix(in oklab, var(--quaxis) 35%, rgba(0,0,0,0.55)),
        color-mix(in oklab, var(--qbit)   35%, rgba(0,0,0,0.55)));
    border: 0;
  }
  .story-quote {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    pointer-events: none;
    font-family: var(--font-display);
    font-size: clamp(12px, 1.1vw, 16px);
    letter-spacing: -0.005em;
    color: var(--fg-2);
    font-style: italic;
    text-align: center;
    padding: 8px 18px;
    background: rgba(0,0,0,0.45);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border-radius: 999px;
    border: 1px solid var(--line);
    max-width: 86%;
  }
  .story-vis .ph-label { display: none; }

  .semantic-vis {
    background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
    overflow: hidden;
  }
  .semantic-vis::before {
    background-size: 20px 20px !important;
    opacity: 0.6;
  }
  .semantic-vis .ph-label { display: none; }
  .semantic-anim {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
  }

  @media (max-width: 640px) {
    .ab-hero h1 { font-size: clamp(38px, 10vw, 52px); }
    .ab-tag p { max-width: none; font-size: clamp(22px, 6vw, 32px); }
    .ab-numbers-inner { grid-template-columns: 1fr; gap: 24px; }
    .ab-image.wide { aspect-ratio: 4 / 3; min-height: 200px; }
    .story-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      left: 16px;
      right: 16px;
      top: 16px;
    }
    .story-header .lbl { font-size: 9px; padding: 6px 10px; white-space: normal; }
    .story-quote {
      font-size: 11px;
      max-width: 94%;
      bottom: 12px;
      padding: 6px 12px;
      border-radius: 12px;
    }
    .ab-cta h2 { max-width: none; font-size: clamp(32px, 8vw, 48px); }
    .pillar-grid { gap: 12px; }
  }