:root {
      --ink: #1a1a1a;
      --ink-soft: #3d3d3d;
      --muted: #7a7a7a;
      --paper: #ffffff;
      --paper-2: #f3f3f3;
      --line: #e6e6e6;
      --accent: #fd3c01;
      --accent-deep: #d93301;
      --accent-soft: rgba(253, 60, 1, 0.1);
      --dark: #121212;
      --dark-2: #1c1c1c;
      --dark-3: #262626;
      --white: #fff;
      --radius: 4px;
      --max: 1120px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "Manrope", sans-serif;
      color: var(--ink);
      background: var(--dark);
      line-height: 1.55;
      font-size: 16px;
      overflow-x: hidden;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    ul { list-style: none; }

    .wrap {
      width: min(100% - 2rem, var(--max));
      margin-inline: auto;
    }

    /* —— Mini nav —— */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(18, 18, 18, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .site-nav .wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 3.5rem;
      gap: 1rem;
    }
    .brand {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--white);
      font-size: 1rem;
    }
    .brand span { color: var(--accent); }
    .nav-back {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.55);
      transition: color 0.2s;
    }
    .nav-back:hover { color: var(--accent); }

    /* —— Hero —— */
    .hero {
      position: relative;
      isolation: isolate;
      padding: 3.5rem 0 3rem;
      color: var(--white);
      overflow: hidden;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        radial-gradient(ellipse 70% 60% at 85% 20%, rgba(253, 60, 1, 0.22), transparent 55%),
        radial-gradient(ellipse 50% 50% at 10% 80%, rgba(253, 60, 1, 0.08), transparent 50%),
        linear-gradient(165deg, #0a0a0a 0%, #161616 50%, #101010 100%);
    }
    .hero-grid {
      position: absolute;
      inset: 0;
      z-index: -1;
      opacity: 0.4;
      background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px);
      background-size: 22px 22px;
      mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
      animation: dots-drift 28s linear infinite;
    }
    @keyframes dots-drift {
      from { background-position: 0 0; }
      to { background-position: 22px 22px; }
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      font-size: 0.8rem;
      color: rgba(255,255,255,0.4);
      margin-bottom: 1.75rem;
    }
    .crumbs a:hover { color: var(--accent); }
    .crumbs span { color: rgba(255,255,255,0.25); }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }
    .tag {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 0.4rem 0.75rem;
      border: 1px solid rgba(253, 60, 1, 0.45);
      color: #ff8f66;
      background: rgba(253, 60, 1, 0.08);
    }

    .hero-brand {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: clamp(2.4rem, 6vw, 4rem);
      line-height: 0.95;
      letter-spacing: -0.03em;
      margin-bottom: 0.85rem;
      color: var(--white);
    }
    .hero-brand em {
      font-style: normal;
      color: var(--accent);
    }

    .hero h1 {
      font-family: "Onest", sans-serif;
      font-weight: 700;
      font-size: clamp(1.15rem, 2.4vw, 1.55rem);
      line-height: 1.3;
      max-width: 36rem;
      color: rgba(255,255,255,0.88);
      margin-bottom: 1rem;
      letter-spacing: -0.01em;
    }
    .hero-lead {
      max-width: 38rem;
      color: rgba(255,255,255,0.55);
      font-size: 1.02rem;
      margin-bottom: 2rem;
    }

    .hero-meta {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.08);
      max-width: 52rem;
    }
    .hero-meta div {
      background: rgba(255,255,255,0.03);
      padding: 1rem 1.15rem;
    }
    .hero-meta dt {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: rgba(255,255,255,0.35);
      margin-bottom: 0.35rem;
      font-weight: 600;
    }
    .hero-meta dd {
      font-size: 0.92rem;
      font-weight: 600;
      color: rgba(255,255,255,0.9);
      line-height: 1.35;
    }

    /* —— Sections —— */
    section { padding: 4rem 0; }
    .sec-light { background: var(--paper); color: var(--ink); }
    .sec-soft { background: var(--paper-2); color: var(--ink); }
    .sec-dark {
      background: var(--dark-2);
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .eyebrow {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.75rem;
    }
    .sec-title {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: clamp(1.55rem, 3vw, 2.15rem);
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 0.85rem;
      max-width: none;
      white-space: nowrap;
    }
    @media (max-width: 1100px) {
      .sec-title { white-space: normal; }
      .choice-grid.cols-4 { grid-template-columns: 1fr 1fr; }
    }
    .sec-lead {
      color: var(--muted);
      max-width: 36rem;
      margin-bottom: 2.25rem;
      font-size: 1.02rem;
    }
    .sec-dark .sec-lead { color: rgba(255,255,255,0.5); }
    .sec-title.wrap { white-space: normal; }
    .sec-text {
      max-width: 42rem;
      color: var(--ink-soft);
      font-size: 1.02rem;
      margin-bottom: 1.15rem;
      line-height: 1.65;
    }
    .sec-text.wide { max-width: 46rem; }
    .sec-dark .sec-text { color: rgba(255,255,255,0.55); }
    .sec-text + .quote,
    .quote + .sec-text { margin-top: 1.75rem; }

    .full-width-text .hero h1,
    .full-width-text .hero-lead,
    .full-width-text .hero-meta,
    .full-width-text .sec-lead,
    .full-width-text .sec-text,
    .full-width-text .sec-text.wide,
    .full-width-text .arch-note,
    .full-width-text .quote p {
      max-width: none;
    }

    /* —— Before / After —— */
    .ba-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }
    .ba-card {
      padding: 1.75rem 1.5rem;
      border: 1px solid var(--line);
      background: var(--paper);
      position: relative;
      overflow: hidden;
    }
    .ba-card::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
    }
    .ba-card.was::before { background: #9a9a9a; }
    .ba-card.now::before { background: var(--accent); }
    .ba-label {
      font-size: 0.7rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 0.85rem;
    }
    .ba-card.was .ba-label { color: #8a8a8a; }
    .ba-card.now .ba-label { color: var(--accent); }
    .ba-card h3 {
      font-family: "Onest", sans-serif;
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      letter-spacing: -0.02em;
    }
    .ba-card p { color: var(--ink-soft); font-size: 0.95rem; }
    .ba-list {
      margin-top: 1.15rem;
      display: grid;
      gap: 0.55rem;
    }
    .ba-list li {
      display: flex;
      gap: 0.65rem;
      align-items: flex-start;
      font-size: 0.9rem;
      color: var(--ink-soft);
    }
    .ba-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 0.45rem;
      flex-shrink: 0;
      background: currentColor;
      opacity: 0.35;
    }
    .ba-card.now .ba-list li::before {
      background: var(--accent);
      opacity: 1;
    }

    /* —— Architecture —— */
    .arch {
      display: grid;
      gap: 1.5rem;
    }
    .arch-flow {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr;
      align-items: center;
      gap: 0.75rem;
    }
    .arch-node {
      background: var(--dark-3);
      border: 1px solid rgba(255,255,255,0.08);
      padding: 1.35rem 1.1rem;
      text-align: center;
      min-height: 9.5rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 0.45rem;
      transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
    }
    .arch-node:hover {
      border-color: rgba(253, 60, 1, 0.5);
      transform: translateY(-3px);
    }
    .arch-node.core {
      background: linear-gradient(160deg, rgba(253,60,1,0.18), rgba(253,60,1,0.04));
      border-color: rgba(253, 60, 1, 0.45);
    }
    .arch-ico {
      width: 42px;
      height: 42px;
      margin: 0 auto 0.35rem;
      color: var(--accent);
    }
    .arch-node strong {
      font-family: "Onest", sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      display: block;
    }
    .arch-node span {
      font-size: 0.78rem;
      color: rgba(255,255,255,0.45);
      line-height: 1.35;
    }
    .arch-arrow {
      color: var(--accent);
      opacity: 0.7;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .arch-arrow svg { width: 28px; height: 28px; }
    .arch-note {
      text-align: center;
      font-size: 0.9rem;
      color: rgba(255,255,255,0.45);
      max-width: 40rem;
      margin: 0.5rem auto 0;
    }
    .arch-note strong { color: #ff8f66; font-weight: 700; }

    /* —— Features —— */
    .feat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
    }
    .feat {
      background: var(--paper);
      border: 1px solid var(--line);
      padding: 1.4rem 1.25rem;
      transition: border-color 0.25s, box-shadow 0.25s;
    }
    .feat:hover {
      border-color: rgba(253, 60, 1, 0.35);
      box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    }
    .feat-num {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: 0.75rem;
      color: var(--accent);
      letter-spacing: 0.06em;
      margin-bottom: 0.65rem;
    }
    .feat h3 {
      font-family: "Onest", sans-serif;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      letter-spacing: -0.02em;
    }
    .feat p { font-size: 0.9rem; color: var(--ink-soft); }

    /* —— Process steps —— */
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
      position: relative;
    }
    .steps::before {
      content: "";
      position: absolute;
      top: 28px;
      left: 12%;
      right: 12%;
      height: 2px;
      background: linear-gradient(90deg, var(--accent), rgba(253,60,1,0.2));
      z-index: 0;
    }
    .step {
      position: relative;
      z-index: 1;
      text-align: center;
      padding: 0 0.75rem;
    }
    .step-dot {
      width: 56px;
      height: 56px;
      margin: 0 auto 1rem;
      background: var(--dark);
      border: 2px solid var(--accent);
      color: var(--accent);
      display: grid;
      place-items: center;
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .step h3 {
      font-family: "Onest", sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
    }
    .step p {
      font-size: 0.82rem;
      color: rgba(255,255,255,0.45);
      line-height: 1.4;
    }

    /* —— Two modes —— */
    .modes {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }
    .mode {
      background: var(--paper);
      border: 1px solid var(--line);
      padding: 1.75rem;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 1.15rem;
      align-items: start;
    }
    .mode-ico {
      width: 64px;
      height: 64px;
      background: var(--accent-soft);
      color: var(--accent);
      display: grid;
      place-items: center;
    }
    .mode-ico svg { width: 32px; height: 32px; }
    .mode h3 {
      font-family: "Onest", sans-serif;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      color: var(--ink);
    }
    .mode p { font-size: 0.92rem; color: var(--ink-soft); }

    /* —— Parking scheme —— */
    .park-flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0.65rem;
      align-items: stretch;
    }
    .park-item {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      padding: 1.15rem 0.85rem;
      text-align: center;
      position: relative;
    }
    .park-item:not(:last-child)::after {
      content: "→";
      position: absolute;
      right: -0.55rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--accent);
      font-weight: 700;
      z-index: 2;
      font-size: 1.1rem;
    }
    .park-n {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      color: var(--accent);
      font-size: 0.8rem;
      margin-bottom: 0.4rem;
    }
    .park-item strong {
      display: block;
      font-size: 0.88rem;
      margin-bottom: 0.3rem;
      font-weight: 700;
    }
    .park-item span {
      font-size: 0.75rem;
      color: rgba(255,255,255,0.4);
      line-height: 1.35;
    }

    /* —— Results —— */
    .res-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
    }
    .res {
      background: var(--paper);
      border-top: 3px solid var(--accent);
      padding: 1.5rem 1.25rem;
      box-shadow: 0 8px 24px rgba(0,0,0,0.04);
    }
    .res-val {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: 1.65rem;
      color: var(--accent);
      letter-spacing: -0.03em;
      line-height: 1;
      margin-bottom: 0.55rem;
    }
    .res h3 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      font-family: "Onest", sans-serif;
    }
    .res p { font-size: 0.85rem; color: var(--ink-soft); }

    /* —— Quote —— */
    .quote {
      background: var(--dark);
      color: var(--white);
      padding: 2.5rem 2rem;
      position: relative;
      border-left: 4px solid var(--accent);
    }
    .quote::before {
      content: "«";
      font-family: "Onest", sans-serif;
      font-size: 5rem;
      line-height: 0.7;
      color: var(--accent);
      position: absolute;
      top: 1.5rem;
      left: 1.5rem;
      opacity: 0.35;
    }
    .quote p {
      position: relative;
      font-size: 1.08rem;
      line-height: 1.55;
      max-width: 46rem;
      margin-bottom: 1.25rem;
      color: rgba(255,255,255,0.88);
    }
    .quote cite {
      font-style: normal;
      font-size: 0.88rem;
      color: rgba(255,255,255,0.45);
      font-weight: 600;
    }
    .quote cite strong {
      display: block;
      color: #ff8f66;
      margin-bottom: 0.15rem;
    }

    /* —— Value callout —— */
    .value-box {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
      align-items: center;
      background: linear-gradient(120deg, #1a1a1a, #242424);
      border: 1px solid rgba(253, 60, 1, 0.25);
      padding: 2rem;
    }
    .value-box h3 {
      font-family: "Onest", sans-serif;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 0.75rem;
      letter-spacing: -0.02em;
    }
    .value-box p {
      color: rgba(255,255,255,0.55);
      font-size: 0.95rem;
    }
    .value-stats {
      display: grid;
      gap: 0.75rem;
    }
    .value-stat {
      background: rgba(253, 60, 1, 0.1);
      border: 1px solid rgba(253, 60, 1, 0.25);
      padding: 0.9rem 1rem;
    }
    .value-stat strong {
      display: block;
      font-family: "Onest", sans-serif;
      color: var(--accent);
      font-size: 1.05rem;
      margin-bottom: 0.15rem;
    }
    .value-stat span {
      font-size: 0.8rem;
      color: rgba(255,255,255,0.45);
    }

    /* —— CTA —— */
    .cta {
      padding: 4rem 0;
      background:
        radial-gradient(ellipse 60% 80% at 100% 50%, rgba(253,60,1,0.2), transparent 55%),
        var(--dark);
      color: var(--white);
      text-align: center;
    }
    .cta h2 {
      font-family: "Onest", sans-serif;
      font-weight: 800;
      font-size: clamp(1.5rem, 3vw, 2rem);
      margin-bottom: 0.75rem;
      letter-spacing: -0.02em;
    }
    .cta p {
      color: rgba(255,255,255,0.5);
      max-width: 32rem;
      margin: 0 auto 1.75rem;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.95rem 1.6rem;
      font-weight: 700;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      transition: transform 0.25s var(--ease), filter 0.25s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      background: var(--accent);
      color: var(--white);
    }
    .btn-primary:hover { filter: brightness(1.08); }
    .btn-ghost {
      background: transparent;
      color: var(--white);
      border: 1px solid rgba(255,255,255,0.25);
      margin-left: 0.65rem;
    }
    .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

    footer {
      padding: 1.5rem 0;
      background: #0a0a0a;
      border-top: 1px solid rgba(255,255,255,0.06);
      color: rgba(255,255,255,0.35);
      font-size: 0.82rem;
      text-align: center;
    }

    
/* —— Problems —— */
.problems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}
.problem {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 1.25rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.problem:hover {
  border-color: rgba(253, 60, 1, 0.45);
  transform: translateY(-3px);
}
.problem-n {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.problem h3 {
  font-family: "Onest", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.problem p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.4;
}

/* —— Scale —— */
.scale-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.scale-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 1rem;
  text-align: center;
}
.scale-item strong {
  display: block;
  font-family: "Onest", sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
}
.scale-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}

/* —— Lessons —— */
.lessons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.lesson {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.5rem 1.25rem;
  position: relative;
}
.lesson-n {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.65rem;
}
.lesson h3 {
  font-family: "Onest", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.lesson p { font-size: 0.9rem; color: var(--ink-soft); }

/* —— Roadmap —— */
.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.road-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 1.1rem;
  position: relative;
}
.road-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.road-n {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.road-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  font-weight: 700;
}
.road-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.4;
}

.quote { margin-bottom: 1rem; }
.quote:last-child { margin-bottom: 0; }

/* —— Choice / options —— */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.75rem 0 2.25rem;
  align-items: stretch;
}
.choice-grid.cols-2 {
  grid-template-columns: 1fr 1fr;
}
.choice-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}
.choice {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 1.4rem 1.3rem 1.55rem;
  box-shadow: 0 10px 28px rgba(0,0,0,0.035);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s var(--ease);
}
.choice:hover {
  border-color: rgba(253, 60, 1, 0.35);
  box-shadow: 0 16px 36px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.choice-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.05rem;
}
.choice-n {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.choice-ico {
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.choice-ico svg { width: 22px; height: 22px; }
.choice h3 {
      font-family: "Onest", sans-serif;
      font-size: 1.05rem;
      font-weight: 400;
      letter-spacing: -0.02em;
      line-height: 1.35;
      color: var(--ink);
      margin-bottom: 0.5rem;
    }
.choice p {
  font-family: "Onest", sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-top: auto;
}
.choice-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
}
.choice-tags span {
  font-family: "Onest", sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  padding: 0.32rem 0.58rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  border: 1px solid rgba(253, 60, 1, 0.16);
}
.choice ul {
  margin-top: auto;
  display: grid;
  gap: 0.35rem;
}
.choice li {
  position: relative;
  padding-left: 0.85rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.4;
}
.choice li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  background: var(--accent);
}
.choice-grid.pack {
  align-items: start;
  gap: 1.1rem;
}
.choice-grid.pack .choice-ico {
  width: 52px;
  height: 52px;
}
.choice-grid.pack .choice-ico svg {
  width: 26px;
  height: 26px;
}
.choice-wide {
  grid-column: span 2;
}
.choice-wide-full {
  grid-column: 1 / -1;
}
.choice-wide ul,
.choice-wide-full ul {
  gap: 0.45rem 1.4rem;
  margin-top: 0.9rem;
  padding: 0.85rem 1rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.choice-wide ul {
  grid-template-columns: 1fr 1fr;
}
.choice-wide-full ul {
  grid-template-columns: repeat(3, 1fr);
}

/* —— Result workstreams —— */
.work-block {
  margin-top: 2.75rem;
}
.work-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}
.work-head .n {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.work-head h3 {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.spec-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.spec-grid .spec-item:nth-child(2n) { border-right: none; }
.spec-item .k {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  padding-top: 0.12rem;
}
.spec-item p {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
.flow-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
}
.flow-chain span {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.5rem 0.72rem;
}
.flow-chain i {
  font-style: normal;
  color: var(--accent);
  font-weight: 700;
  padding: 0 0.1rem;
}

/* —— Screenshots —— */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin: 1.5rem 0 1.75rem;
}
.shot-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.shot-grid.wide { grid-template-columns: 1fr; }
.shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
}
.shot figcaption {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.55rem 0.75rem 0.7rem;
  line-height: 1.35;
}
.shot.narrow {
  max-width: 16rem;
}
.sec-dark .shot {
  border-color: rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
}
.sec-dark .shot figcaption { color: rgba(255,255,255,0.45); }

/* —— Climax result —— */
.climax-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 2rem 0 1.25rem;
  border: 1px solid rgba(255,255,255,0.1);
}
.climax-item {
  padding: 2.1rem 1.7rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.climax-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2.4rem;
  height: 3px;
  background: var(--accent);
}
.climax-item:last-child { border-right: none; }
.climax-item .eyebrow { margin-bottom: 0.85rem; }
.climax-item h3 {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: clamp(1.45rem, 2.5vw, 1.95rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 0.85rem;
}
.climax-item p {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.45;
  color: rgba(255,255,255,0.55);
}
.climax-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.15rem;
  padding: 1.15rem 1.4rem;
  background: rgba(253, 60, 1, 0.12);
  border: 1px solid rgba(253, 60, 1, 0.3);
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: clamp(0.88rem, 1.6vw, 1.05rem);
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.82);
  text-align: center;
}
.climax-bar b {
  color: var(--accent);
  font-weight: 800;
}
.climax-bar .dot {
  color: var(--accent);
  padding: 0 0.7rem;
  font-weight: 800;
}

/* —— Engineering chain —— */
.eng-chain {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.15fr;
  gap: 0.65rem;
  align-items: stretch;
  margin: 2rem 0 1.75rem;
}
.eng-arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  padding: 0 0.15rem;
}
.eng-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 1.45rem 1.3rem 1.55rem;
}
.eng-card .eyebrow { margin-bottom: 0.85rem; }
.eng-card h3 {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ink);
}
.eng-card.scale {
  background: var(--dark);
  border-color: rgba(253, 60, 1, 0.45);
  text-align: center;
  justify-content: center;
}
.eng-card.scale .eyebrow { color: var(--accent); }
.eng-num {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: clamp(3.4rem, 7vw, 5.2rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
  color: var(--accent);
  margin: 0.15rem 0 0.45rem;
}
.eng-card.scale h3 {
  color: rgba(255,255,255,0.72);
  font-size: 1rem;
}

/* —— Editorial review —— */
.pullquote {
  font-family: "Onest", sans-serif;
  font-weight: 800;
  font-size: clamp(1.85rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
  color: var(--ink);
  margin: 0.4rem 0 2rem;
}
.pullquote .q {
  color: var(--accent);
}
.review-split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.75rem 0 2rem;
}
.review-part {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 1.35rem 1.25rem 1.5rem;
}
.review-part .eyebrow { margin-bottom: 0.75rem; }
.review-part p {
  font-family: "Onest", sans-serif;
  font-weight: 400;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.review-part p + p { margin-top: 0.75rem; }
.review-cite {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-style: normal;
  font-size: 0.92rem;
  color: var(--muted);
}
.review-cite strong {
  display: block;
  font-family: "Onest", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    }
    .reveal.in {
      opacity: 1;
      transform: none;
    }

    @media (max-width: 900px) {
      .hero-meta,
      .ba-grid,
      .modes,
      .value-box,
      .problems,
      .lessons,
      .roadmap,
      .choice-grid,
      .choice-grid.cols-2,
      .choice-grid.cols-4,
      .climax-grid,
      .review-split,
      .shot-grid,
      .shot-grid.cols-3,
      .spec-grid { grid-template-columns: 1fr; }
      .spec-grid .spec-item:nth-child(2n) { border-right: none; padding-left: 1.15rem; }
      .climax-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }
      .climax-item:last-child { border-bottom: none; }
      .eng-chain {
        grid-template-columns: 1fr;
        gap: 0.35rem;
      }
      .eng-arrow { transform: rotate(90deg); padding: 0.15rem 0; }
      .choice-wide,
      .choice-wide-full {
        grid-column: span 1;
      }
      .choice-wide ul,
      .choice-wide-full ul {
        grid-template-columns: 1fr;
      }
      .feat-grid { grid-template-columns: 1fr 1fr; }
      .res-grid,
      .scale-row { grid-template-columns: 1fr 1fr; }
      .arch-flow {
        grid-template-columns: 1fr;
        gap: 0.5rem;
      }
      .arch-arrow { transform: rotate(90deg); }
      .steps {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem 0.5rem;
      }
      .steps::before { display: none; }
      .park-flow {
        grid-template-columns: 1fr;
      }
      .park-item:not(:last-child)::after {
        content: "↓";
        right: auto;
        left: 50%;
        top: auto;
        bottom: -0.85rem;
        transform: translateX(-50%);
      }
      .btn-ghost { margin-left: 0; margin-top: 0.65rem; }
      .cta .btn { display: flex; width: 100%; max-width: 20rem; margin-inline: auto; }
    }
    @media (max-width: 560px) {
      .feat-grid,
      .res-grid,
      .scale-row,
      .steps { grid-template-columns: 1fr; }
      .hero { padding: 2.5rem 0 2rem; }
      section { padding: 3rem 0; }
    }