/* ==========================================================
   Home page styles
   ========================================================== */

/* ─── Hero ─── */
.home-hero {
  min-height: 78vh;
  display: flex; align-items: center; justify-content: center;
  padding: 110px 24px 70px;
  position: relative; overflow: hidden; text-align: center;
}
.home-hero::before {
  content: ''; position: absolute;
  top: -15%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px;
  background: radial-gradient(ellipse, var(--red-glow) 0%, transparent 65%);
  pointer-events: none;
}
.home-hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(226,232,240,.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226,232,240,.25) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 50% 55% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 50% 55% at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
}
.home-inner { position: relative; z-index: 1; width: 100%; max-width: 760px; margin: 0 auto; }
.home-hero-text { text-align: center; }

.home-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; background: var(--red-light); color: var(--red);
  font-size: 11px; font-weight: 600; border-radius: 100px;
  margin-bottom: 22px; letter-spacing: .05em; text-transform: uppercase;
}
.home-badge-dot {
  width: 6px; height: 6px; background: var(--red); border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1) } 50% { opacity: .4; transform: scale(1.5) } }
@media (prefers-reduced-motion: reduce) {
  .home-badge-dot { animation: none !important; }
}

.home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.375rem, 4.6vw, 3.75rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -.035em;
  color: var(--navy); margin-bottom: 18px;
}
.home-hero h1 span { color: var(--red); }
.home-sub {
  font-size: 16.5px; color: var(--slate); line-height: 1.65;
  max-width: 620px; margin: 0 auto 28px;
}

.home-cta-row {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 28px;
}

.home-audience {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 0;
}

/* ─── VeritasAI clip (right column) ─── */
.home-veritas-clip {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 26px 22px;
  box-shadow: 0 24px 60px -32px rgba(15, 23, 41, 0.22), 0 8px 24px -16px rgba(15, 23, 41, 0.12);
  overflow: hidden;
  isolation: isolate;
}
.home-veritas-clip::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 100% 0%, rgba(230, 30, 40, 0.10), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(124, 58, 237, 0.08), transparent 55%);
  pointer-events: none;
  z-index: -1;
}
.home-veritas-clip-hd {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 14px;
}
.home-veritas-clip-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #E61E28 0%, #7c3aed 100%);
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(230, 30, 40, 0.45);
  flex-shrink: 0;
}
.home-veritas-clip-icon svg { width: 22px; height: 22px; }
.home-veritas-clip-eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted);
}
.home-veritas-clip-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--navy); margin: 2px 0 0;
}
.home-veritas-clip-lede {
  font-size: 14px; line-height: 1.6;
  color: var(--slate);
  margin: 0 0 16px;
}
.home-veritas-clip-list {
  list-style: none; padding: 0; margin: 0 0 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.home-veritas-clip-list li {
  display: grid; grid-template-columns: 28px 1fr;
  align-items: start; gap: 12px;
  font-size: 13.5px; line-height: 1.55;
  color: var(--navy-soft, var(--navy));
}
.home-veritas-clip-list li strong { color: var(--navy); font-weight: 700; }
.home-veritas-clip-list li em { font-style: normal; color: #E61E28; font-weight: 600; }
.home-veritas-clip-bullet {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--vc, #E61E28) 12%, #fff);
  color: var(--vc, #E61E28);
  margin-top: 1px;
}
.home-veritas-clip-bullet svg { width: 14px; height: 14px; }
.home-veritas-clip-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  background: var(--navy);
  color: #fff;
  border: 0; border-radius: 10px;
  font-family: var(--font-display);
  font-size: 13.5px; font-weight: 600; letter-spacing: 0;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
}
.home-veritas-clip-cta:hover {
  transform: translateY(-2px);
  background: #0b1322;
  box-shadow: 0 10px 24px -10px rgba(15, 23, 41, 0.5);
}
.home-veritas-clip-cta svg { width: 16px; height: 16px; }

@media (max-width: 980px) {
  .home-inner-split { grid-template-columns: 1fr; gap: 36px; }
  .home-veritas-clip { max-width: 560px; }
}
@media (max-width: 640px) {
  .home-hero { padding-top: 96px; min-height: 0; }
  .home-hero h1 { font-size: clamp(34px, 8vw, 44px); }
}
.home-aud-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; background: white; border: 1px solid var(--border);
  border-radius: 100px; font-size: 12px; color: var(--navy-soft);
  box-shadow: var(--shadow-sm);
}
.home-aud-pill strong { color: var(--navy); font-weight: 700; }

.home-principle {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; background: var(--bg-alt);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; font-weight: 500; color: var(--navy-soft);
}
.home-principle svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--teal); }

/* ─── New release top bar ─── */
.addin-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 260;
  display: flex; align-items: stretch;
  background: linear-gradient(90deg, var(--red) 0%, #c4161f 55%, var(--navy) 130%);
  box-shadow: 0 2px 12px rgba(15,23,41,.18);
}
.addin-topbar[hidden] { display: none; }
.addin-topbar-trigger {
  flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  flex-wrap: wrap;
  padding: 9px 16px;
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-body); color: #fff;
  transition: background 0.2s;
}
.addin-topbar-trigger:hover { background: rgba(255,255,255,.08); }
.addin-topbar-badge {
  display: inline-flex; align-items: center; flex-shrink: 0;
  padding: 3px 10px;
  background: rgba(255,255,255,.22);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.addin-topbar-text {
  font-size: 13px; line-height: 1.4;
}
.addin-topbar-text strong { font-weight: 700; }
.addin-topbar-cta {
  display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0;
  font-size: 12.5px; font-weight: 600;
  text-decoration: underline; text-underline-offset: 2px;
}
.addin-topbar-cta svg { width: 13px; height: 13px; }
.addin-topbar-dismiss {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; flex-shrink: 0;
  background: none; border: 0; border-left: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.75); cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.addin-topbar-dismiss:hover { background: rgba(255,255,255,.1); color: #fff; }
.addin-topbar-dismiss svg { width: 15px; height: 15px; }

body.has-addin-topbar .nav { top: var(--addin-topbar-h, 0px); }
body.has-addin-topbar .gp-progress { top: var(--addin-topbar-h, 0px); }
body.has-addin-topbar .home-hero { padding-top: calc(110px + var(--addin-topbar-h, 0px)); }

@media (max-width: 640px) {
  .addin-topbar-trigger { padding: 8px 12px; gap: 6px; }
  .addin-topbar-cta { display: none; }
  body.has-addin-topbar .home-hero { padding-top: calc(96px + var(--addin-topbar-h, 0px)); }
}

/* ─── Add-in announcement modal ─── */
.addin-modal-overlay {
  position: fixed; inset: 0; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 41, 0.6);
  backdrop-filter: blur(4px);
}
@media (prefers-reduced-transparency: reduce) {
  .addin-modal-overlay { backdrop-filter: none; background: #0f1729; }
}
.addin-modal-overlay[hidden] { display: none; }
.addin-modal {
  position: relative;
  width: 100%; max-width: 620px; max-height: 88vh; overflow-y: auto;
  background: linear-gradient(135deg, var(--navy) 0%, #16213e 100%);
  border-radius: var(--radius-xl);
  padding: 40px 40px 32px;
  box-shadow: 0 32px 80px -24px rgba(15, 23, 41, 0.6);
}
.addin-modal-close {
  position: absolute; top: 18px; right: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: rgba(255,255,255,.08); border: 0; border-radius: 50%;
  color: rgba(255,255,255,.7); cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.addin-modal-close:hover { background: rgba(255,255,255,.16); color: #fff; }
.addin-modal-close svg { width: 16px; height: 16px; }

.addin-modal-badge-row { display: flex; gap: 8px; margin-bottom: 16px; }
.addin-modal-badge {
  display: inline-flex; align-items: center;
  padding: 5px 12px; background: rgba(230,30,40,0.16); color: #ff8a92;
  font-size: 11px; font-weight: 600; border-radius: 100px;
  letter-spacing: .05em; text-transform: uppercase;
}
.addin-modal-badge-beta { background: rgba(245,158,11,0.18); color: #fbbf24; }

.addin-modal-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 25px); font-weight: 700; letter-spacing: -.02em;
  color: #fff; margin-bottom: 12px;
}
.addin-modal-desc {
  font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.68);
  margin-bottom: 14px;
}
.addin-modal-beta-note {
  font-size: 12.5px; line-height: 1.6; color: rgba(255,255,255,.6);
  background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25);
  border-radius: 10px; padding: 10px 14px;
  margin-bottom: 24px;
}
.addin-modal-beta-note strong { color: #fbbf24; }
.addin-modal-beta-note a { color: #ff8a92; text-decoration: underline; }

.addin-modal-subhead {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin: 22px 0 12px;
}
.addin-modal-benefits {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 9px;
}
.addin-modal-benefits li {
  font-size: 13.5px; line-height: 1.55; color: rgba(255,255,255,.75);
  padding-left: 20px; position: relative;
}
.addin-modal-benefits li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--red);
}
.addin-modal-benefits li strong { color: #fff; font-weight: 700; }

.addin-modal-download {
  display: inline-flex; align-items: center; gap: 9px;
  margin-top: 22px;
  padding: 13px 22px;
  background: var(--red); color: #fff;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600; letter-spacing: 0;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
}
.addin-modal-download:hover {
  transform: translateY(-2px);
  background: var(--red-dark);
  box-shadow: 0 12px 28px -10px rgba(230,30,40,0.55);
}
.addin-modal-download svg { width: 17px; height: 17px; }

.addin-modal-steps {
  margin: 0; padding: 0 0 0 20px;
  display: flex; flex-direction: column; gap: 11px;
}
.addin-modal-steps li {
  font-size: 13px; line-height: 1.55; color: rgba(255,255,255,.75);
}
.addin-modal-steps li strong { color: #fff; font-weight: 700; }
.addin-modal-steps code {
  font-family: var(--font-mono); font-size: 12px;
  background: rgba(255,255,255,.1); padding: 1px 6px; border-radius: 4px;
  color: #ffb3b8;
}
.addin-modal-footnote {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12px; line-height: 1.55; color: rgba(255,255,255,.45);
}

@media (max-width: 640px) {
  .addin-modal { padding: 32px 24px 26px; }
}

/* ─── Where to Start (by time) ─── */
.where-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; max-width: 960px; margin: 0 auto;
}
.where-card {
  background: white; border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 24px; position: relative; overflow: hidden;
  transition: all .4s var(--ease-out);
  display: flex; flex-direction: column;
}
.where-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--card-color, var(--red));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.where-card:hover { border-color: transparent; box-shadow: var(--shadow-xl); transform: translateY(-5px); }
.where-card:hover::before { transform: scaleX(1); }

.where-time {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--card-color, var(--red));
  letter-spacing: .2em; text-transform: uppercase; margin-bottom: 8px;
}
.where-card h3 {
  font-family: var(--font-display); font-size: 19px; font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 8px;
}
.where-card p { font-size: 13px; color: var(--slate); line-height: 1.6; margin-bottom: 18px; flex: 1; }

.where-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--card-color, var(--red));
}
.where-cta svg { width: 14px; height: 14px; transition: transform .3s var(--ease-spring); }
.where-card:hover .where-cta svg { transform: translateX(4px); }

@media (max-width: 880px) {
  .where-grid { grid-template-columns: 1fr; }
}

/* ─── Where to Start (by role) ─── */
.role-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; max-width: 1100px; margin: 0 auto;
}
.role-card {
  background: white; border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 20px; transition: all .35s var(--ease-out);
  display: flex; flex-direction: column;
}
.role-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.role-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.role-icon svg { width: 18px; height: 18px; }

.role-card h3 {
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  letter-spacing: -.01em; margin-bottom: 10px;
}
.role-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.role-links li {
  font-size: 12px; color: var(--slate); display: flex; align-items: flex-start; gap: 6px;
}
.role-links li::before {
  content: '→'; color: var(--card-color, var(--red));
  font-weight: 700; flex-shrink: 0;
}
.role-links a { color: var(--navy-soft); font-weight: 500; }
.role-links a:hover { color: var(--card-color, var(--red)); }

@media (max-width: 880px) {
  .role-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .role-grid { grid-template-columns: 1fr; }
}

/* ─── Chapter grid (6 cards, 3 x 2) ─── */
.chapter-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; max-width: 1100px; margin: 0 auto;
}
.chapter-card {
  background: white; border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px 22px; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  color: var(--navy);
  transition: transform .3s var(--ease-out),
              box-shadow .3s var(--ease-out),
              border-color .3s var(--ease-out);
}
.chapter-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--card-color, var(--red));
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.chapter-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}
.chapter-card:hover::before { transform: scaleX(1); }

.chapter-icon {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.chapter-icon svg { width: 20px; height: 20px; }
.chapter-num {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  color: var(--muted); letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: 5px;
}
.chapter-card h3 {
  font-family: var(--font-display); font-size: 17px; font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 5px;
}
.chapter-card p {
  font-size: 12px; color: var(--slate); line-height: 1.6;
  margin-bottom: 14px;
  flex: 1 1 auto;
}
.chapter-cta {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: var(--card-color, var(--red));
  margin-top: auto;
}
.chapter-cta svg { width: 14px; height: 14px; transition: transform .3s var(--ease-spring); }
.chapter-card:hover .chapter-cta svg { transform: translateX(4px); }

@media (max-width: 880px) {
  .chapter-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .chapter-grid { grid-template-columns: 1fr; }
}

/* ─── Stats strip ─── */
.home-stats {
  display: flex; justify-content: center; align-items: center;
  gap: 28px; padding: 26px 32px; background: white;
  border: 1.5px solid var(--border); border-radius: var(--radius-xl);
  max-width: 980px; margin: 0 auto;
  flex-wrap: wrap;
}
.home-stat {
  text-align: center;
  text-decoration: none;
  color: inherit;
  padding: 6px 10px;
  border-radius: 8px;
  transition: transform 0.18s var(--ease-out), background 0.18s;
}
.home-stat:hover { transform: translateY(-2px); background: rgba(15,23,41,0.03); }
.home-stat:hover .home-stat-num { color: #c4161f; }
.home-stat-num {
  font-family: var(--font-display); font-weight: 800; font-size: 32px;
  color: var(--red); letter-spacing: -.03em; line-height: 1;
  transition: color 0.18s;
}
.home-stat-label { font-size: 11px; color: var(--slate); font-weight: 500; margin-top: 4px; }
.home-stat-divider { width: 1px; height: 40px; background: var(--border); }

@media (max-width: 700px) {
  .home-stats { flex-wrap: wrap; gap: 18px; }
  .home-stat-divider { display: none; }
}

/* ════════════════════════════════════════════════════════════
   Batch 3 additions — Hero CTA, social proof, audience pills,
   role descriptions, fallback line, chapter reading-time pills,
   timestamp, stats caption, time-card connector
   ════════════════════════════════════════════════════════════ */

/* Hero — primary "Get Started" CTA — liquid-glass surface treatment */
.home-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--red) 92%, #fff) 0%, var(--red) 50%, color-mix(in srgb, var(--red) 78%, #000) 100%);
  color: #fff;
  border-radius: 100px;
  border: 1px solid color-mix(in srgb, var(--red) 65%, #000);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  width: fit-content;
  max-width: 100%;
  margin: 24px auto 14px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  /* Layered shadows: outer drop + glassy inset bevel (top highlight, bottom shade, soft inner glow) */
  box-shadow:
    0 1px 0 rgba(255,255,255,.35) inset,
    0 -1px 0 rgba(0,0,0,.20) inset,
    0 0 0 1px rgba(255,255,255,.12) inset,
    0 6px 18px -4px rgba(230,30,40,.45),
    0 14px 32px -10px rgba(230,30,40,.28);
  transition:
    transform .25s cubic-bezier(0.2, 0.7, 0.2, 1),
    filter .2s var(--ease-out),
    box-shadow .25s var(--ease-out);
}
/* Liquid-glass top highlight — soft white sheen across the upper third */
.home-cta-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(120% 80% at 50% -20%, rgba(255,255,255,.55) 0%, rgba(255,255,255,0) 60%);
  opacity: .85;
  pointer-events: none;
  z-index: 0;
}
/* Slow specular sweep — subtle, plays once on hover */
.home-cta-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg,
    transparent 35%,
    rgba(255,255,255,.30) 50%,
    transparent 65%);
  transform: translateX(-130%);
  transition: transform .9s cubic-bezier(0.2, 0.7, 0.2, 1);
  pointer-events: none;
  z-index: 0;
}
.home-cta-primary > * { position: relative; z-index: 1; }
.home-cta-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
  box-shadow:
    0 1px 0 rgba(255,255,255,.35) inset,
    0 -1px 0 rgba(0,0,0,.20) inset,
    0 0 0 1px rgba(255,255,255,.14) inset,
    0 10px 24px -6px rgba(230,30,40,.55),
    0 22px 42px -14px rgba(230,30,40,.38);
}
.home-cta-primary:hover::after { transform: translateX(130%); }
.home-cta-primary:active {
  transform: translateY(0);
  filter: brightness(.96);
}
.home-cta-primary svg {
  width: 16px; height: 16px;
  transition: transform .28s var(--ease-spring);
}
.home-cta-primary:hover svg { transform: translateX(3px); }
.home-cta-primary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .home-cta-primary,
  .home-cta-primary svg { transition: none !important; }
  .home-cta-primary::after { display: none; }
  .home-cta-primary:hover { transform: none; filter: none; }
}

/* Hero — social proof line */
.home-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 22px;
  text-align: center;
}
.home-social-proof svg {
  width: 14px;
  height: 14px;
  color: var(--red);
  flex-shrink: 0;
}
.home-social-proof a {
  color: var(--navy);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color .2s, border-color .2s;
  font-weight: 500;
}
.home-social-proof a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* Hero — audience pills (now anchor-clickable) */
.home-audience {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 640px;
  margin: 6px auto 22px;
}
.home-aud-pill {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--navy);
  transition: border-color .25s, transform .25s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow .25s;
}
.home-aud-pill:hover {
  border-color: var(--red);
  transform: translateX(3px);
  box-shadow: 0 4px 14px rgba(15,23,42,.06);
}
.home-aud-pill svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.home-aud-pill span {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--navy-soft);
}
.home-aud-pill strong { color: var(--navy); }

/* Time cards — connector arrow on desktop */
@media (min-width: 980px) {
  .where-grid {
    position: relative;
    isolation: isolate;
  }
  .where-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 14%;
    right: 14%;
    height: 1px;
    background: repeating-linear-gradient(90deg,
      color-mix(in srgb, var(--red) 32%, transparent) 0,
      color-mix(in srgb, var(--red) 32%, transparent) 6px,
      transparent 6px,
      transparent 12px);
    z-index: -1;
    pointer-events: none;
  }
}

/* Role cards — 1-line description under title */
.role-card .role-desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--slate);
  line-height: 1.5;
  margin: -6px 0 14px;
  font-style: italic;
}

/* Role section — fallback line */
.role-fallback {
  text-align: center;
  margin: 28px auto 0;
  font-style: italic;
  color: var(--slate);
  font-size: 14px;
  max-width: 600px;
}
.role-fallback a {
  color: var(--red);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in srgb, var(--red) 40%, transparent);
  transition: border-color .2s;
}
.role-fallback a:hover { border-bottom-color: var(--red); }

/* Chapter cards — reading-time pill */
.chapter-card {
  position: relative;
}
.chapter-time {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  padding: 3px 9px;
  border-radius: 100px;
  z-index: 1;
}

/* Section meta stamp (Last updated...) */
.sec-meta-stamp {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .04em;
  margin-top: 10px;
}

/* Stats — italic caption */
.home-stats-caption {
  text-align: center;
  font-style: italic;
  font-size: 13px;
  color: var(--muted);
  margin: 0 auto 18px;
  max-width: 560px;
}

/* Footer — feedback link */
.footer a {
  color: inherit;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  transition: color .2s, border-color .2s;
}
.footer a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

@media (max-width: 720px) {
  .home-aud-pill { padding: 10px 14px; gap: 10px; }
  .home-aud-pill span { font-size: 12.5px; }
  .home-cta-primary { padding: 12px 22px; font-size: 14px; }
}

/* ─── Anchor offsets so deep-linked cards/sections clear the fixed nav ─── */
[id="by-time"], [id="by-role"], [id="stats"], [id="guiding-principle"] {
  scroll-margin-top: 88px;
}
.chapter-card[id^="chapter-"] { scroll-margin-top: 96px; }

/* ─── :target highlight for deep-linked chapter cards ─── */
@keyframes chapter-target-glow {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--card-color, var(--red)) 35%, transparent); }
  60%  { box-shadow: 0 0 0 10px color-mix(in srgb, var(--card-color, var(--red)) 0%, transparent); }
  100% { box-shadow: var(--shadow-xl); }
}
.chapter-card:target {
  border-color: var(--card-color, var(--red));
  animation: chapter-target-glow 1.6s var(--ease-out) 1;
}
.chapter-card:target::before { transform: scaleX(1); }

/* ─── Site footer (taped-card, neutral attribution) ─── */
.site-footer {
  padding: 68px 20px 76px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: left;
  color: var(--navy);
}
.footer-card {
  position: relative;
  max-width: 1200px; margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 32px 30px;
}
.footer-card-inner {
  display: flex; flex-direction: column; gap: 14px; align-items: center;
  text-align: center;
}
/* subtle taped/pinned visual detail (Arup red on one side, navy on the other) */
.footer-tape {
  position: absolute;
  top: -10px;
  width: 78px; height: 18px;
  border-radius: 2px;
  opacity: .85;
  transform: rotate(-4deg);
  box-shadow: 0 2px 6px rgba(15,23,41,.08);
  background:
    repeating-linear-gradient(45deg,
      color-mix(in srgb, var(--red) 22%, #fff) 0 6px,
      color-mix(in srgb, var(--red) 14%, #fff) 6px 12px);
  border: 1px solid color-mix(in srgb, var(--red) 35%, transparent);
}
.footer-tape-left  { left: 28px; transform: rotate(-6deg); }
.footer-tape-right {
  right: 28px; transform: rotate(5deg);
  background:
    repeating-linear-gradient(45deg,
      color-mix(in srgb, var(--navy) 16%, #fff) 0 6px,
      color-mix(in srgb, var(--navy) 9%, #fff) 6px 12px);
  border-color: color-mix(in srgb, var(--navy) 30%, transparent);
}
.footer-brand {
  display: inline-flex; align-items: center; gap: 10px;
}
.footer-brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--red) 14%, transparent);
}
.footer-meta {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .2em;
  color: var(--muted); text-transform: uppercase; font-weight: 600;
}
.footer-attrib {
  font-size: 14px; color: var(--slate); max-width: 560px;
  line-height: 1.6; margin: 0;
}
.footer-links {
  display: inline-flex; flex-wrap: wrap; align-items: center;
  gap: 8px 10px; margin-top: 4px;
  font-size: 13px; font-weight: 600;
}
.footer-links a {
  color: var(--navy); padding: 4px 2px;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.footer-links a:hover,
.footer-links a:focus-visible { color: var(--red); border-bottom-color: var(--red); outline: none; }
.footer-link-sep { color: var(--border); }
.footer-actions {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 8px;
}
.footer-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 100px;
  background: var(--red); color: #fff;
  border: 1.5px solid var(--red);
  font-size: 13px; font-weight: 600; letter-spacing: .01em;
  box-shadow: 0 4px 12px -4px rgba(230,30,40,.45);
  transition: background .2s var(--ease-out),
              border-color .2s var(--ease-out),
              transform .2s var(--ease-out),
              box-shadow .25s var(--ease-out);
}
.footer-cta:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -6px rgba(230,30,40,.55);
}
.footer-cta:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.footer-cta svg {
  width: 14px; height: 14px;
  transition: transform .25s var(--ease-spring);
}
.footer-cta:hover svg { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) {
  .footer-cta, .footer-cta svg { transition: none; }
  .footer-cta:hover { transform: none; }
}

@media (max-width: 600px) {
  .site-footer { padding: 44px 14px 48px; }
  .footer-card { padding: 30px 20px 24px; }
  .footer-tape { width: 56px; height: 14px; top: -8px; }
  .footer-tape-left { left: 18px; }
  .footer-tape-right { right: 18px; }
  .footer-meta { font-size: 10.5px; }
  .footer-attrib { font-size: 13px; }
}

/* ─── Start-here combined module (By Time / By Role) ─── */
.start-here { scroll-margin-top: 88px; }

.start-toggle {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 0; padding: 4px;
  margin: 0 auto 40px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  width: max-content; max-width: 100%;
}
.start-toggle-btn {
  position: relative; z-index: 1;
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-width: 132px;
  padding: 10px 22px; border: none; cursor: pointer;
  background: transparent;
  font-family: var(--font-body);
  font-size: 13px; font-weight: 600; letter-spacing: .01em;
  color: var(--slate);
  border-radius: 100px;
  transition: color .28s var(--ease-out);
}
.start-toggle-btn svg {
  width: 14px; height: 14px; flex-shrink: 0;
  transition: opacity .25s var(--ease-out);
  opacity: .8;
}
.start-toggle-btn:hover { color: var(--navy); }
.start-toggle-btn:hover svg { opacity: 1; }
.start-toggle-btn:focus-visible {
  outline: 2px solid var(--red); outline-offset: 3px;
}
.start-toggle-btn.is-active { color: #fff; }
.start-toggle-btn.is-active svg { opacity: 1; }
.start-toggle-thumb {
  position: absolute;
  top: 4px; left: 4px;
  height: calc(100% - 8px);
  width: 0;
  background: var(--red);
  border-radius: 100px;
  box-shadow: 0 6px 16px -4px rgba(230,30,40,.42), 0 1px 2px rgba(230,30,40,.18);
  transition: transform .35s var(--ease-out), width .35s var(--ease-out);
  pointer-events: none;
}

.start-panels {
  position: relative;
}
.start-panel {
  animation: start-panel-in .28s var(--ease-out) both;
}
.start-panel[hidden] { display: none; }
@keyframes start-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .start-toggle-thumb { transition: none; }
  .start-panel { animation: none; }
}

@media (max-width: 540px) {
  .start-toggle { width: 100%; }
  .start-toggle-btn { flex: 1; justify-content: center; padding: 9px 12px; font-size: 12.5px; }
}

/* ─── Quick actions (home) ─── */
.quick-actions-section { padding-top: 28px; padding-bottom: 28px; }
.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 22px;
}
.quick-action-card {
  --qa-color: #E61E28;
  position: relative;
  display: flex; flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none;
  color: var(--navy);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
  overflow: hidden;
  isolation: isolate;
}
.quick-action-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--qa-color) 8%, transparent), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
  z-index: -1;
}
.quick-action-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--qa-color) 45%, var(--line));
  box-shadow: 0 14px 30px -16px color-mix(in srgb, var(--qa-color) 50%, transparent);
}
.quick-action-card:hover::before { opacity: 1; }
.quick-action-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: color-mix(in srgb, var(--qa-color) 12%, #fff);
  color: var(--qa-color);
}
.quick-action-icon svg { width: 22px; height: 22px; }
.quick-action-label {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.quick-action-desc {
  font-size: 13.5px; line-height: 1.5;
  color: var(--slate);
  flex: 1;
}
.quick-action-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--qa-color);
  margin-top: 4px;
}
.quick-action-cta svg { width: 14px; height: 14px; }
@media (max-width: 960px) {
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .quick-actions-grid { grid-template-columns: 1fr; }
}