/* 知行学院 Forward Academy — Linden & Vale visual system (plain CSS) */
:root {
  --pink: #ff7aac;
  --ink: #121117;
  --white: #ffffff;
  --mist: #f4f4f8;
  --smoke: #dcdce5;
  --pewter: #6a697c;
  --graphite: #4d4c5c;
  --pad-x: max(24px, env(safe-area-inset-left));
  --pad-x-r: max(24px, env(safe-area-inset-right));
  --header-h: 64px;
  --max: 1200px;
  --font: "Figtree", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --display: "Archivo", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--white);
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, .font-display {
  font-family: var(--display);
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 4px;
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x-r);
}

.headline { line-height: 1.05; }

.sticker {
  font-family: var(--font);
  font-weight: 600;
  background: var(--ink);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  display: inline-block;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}
.sticker-tilt { transform: rotate(-2deg); }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pewter);
  display: block;
  margin-bottom: 12px;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 160ms ease, background 160ms ease;
  border: 1px solid var(--ink);
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary:hover { background: #26242f; }
.btn-primary:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.btn-primary svg { flex: none; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  padding: 14px 24px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  transition: background 160ms ease, color 160ms ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-secondary:hover { background: var(--ink); color: var(--white); }

.btn-sm { padding: 10px 18px; font-size: 13px; min-height: 40px; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--smoke);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  min-height: 44px;
  align-items: center;
}
.brand .amp { color: var(--pink); }
.brand small {
  display: none;
  font-family: var(--font);
  font-weight: 500;
  font-size: 12px;
  color: var(--pewter);
  margin-left: 8px;
}

.header-actions { display: flex; align-items: center; gap: 10px; }

.burger {
  width: 40px;
  height: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--smoke);
  border-radius: 4px;
  background: var(--white);
  -webkit-tap-highlight-color: transparent;
}
.burger span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 200ms ease, opacity 160ms ease;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 49;
  background: var(--white);
  border-bottom: 1px solid var(--smoke);
  padding: 8px var(--pad-x-r) 20px var(--pad-x);
  transform: translateY(-108%);
  visibility: hidden;
  transition: transform 320ms ease, visibility 0s linear 320ms;
  max-height: calc(100vh - var(--header-h));
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
}
.main-nav.is-open {
  transform: translateY(0);
  visibility: visible;
  transition: transform 320ms ease, visibility 0s;
}
.main-nav ul { display: flex; flex-direction: column; }
.main-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  font-weight: 500;
  color: var(--graphite);
  border-bottom: 1px solid var(--mist);
}
.main-nav a:hover { color: var(--ink); }
.nav-cta-mobile { margin-top: 16px; width: 100%; }
.header-cta { display: none; }
body.nav-open { overflow: hidden; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--pink);
  overflow: hidden;
}
.hero-inner {
  padding: 48px 0 56px;
  display: grid;
  gap: 40px;
}
.hero-copy .sticker { margin-bottom: 20px; }
.hero-title {
  font-size: clamp(36px, 9vw, 64px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
}
.hero-lead {
  font-size: clamp(16px, 4vw, 20px);
  color: rgba(18, 17, 23, 0.8);
  max-width: 480px;
  margin-bottom: 28px;
  line-height: 1.45;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-actions .btn-primary,
.hero-actions .btn-secondary {
  flex: 1 1 140px;
}

.scrapbook {
  position: relative;
  height: 340px;
}
.scrap-card {
  position: absolute;
  width: 46%;
}
.scrap-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 4px;
  border: 4px solid var(--white);
}
.scrap-card .sticker {
  margin-top: -12px;
  margin-left: 10px;
  position: relative;
  z-index: 1;
}
.photo-rot-1 { transform: rotate(-3deg); }
.photo-rot-2 { transform: rotate(2deg); }
.photo-rot-3 { transform: rotate(-2deg); }
.photo-rot-4 { transform: rotate(3deg); }
.scrap-1 { left: 2%; top: 0; }
.scrap-2 { right: 0; top: 0; }
.scrap-3 { left: 8%; bottom: 8px; }
.scrap-4 { right: 4%; bottom: 0; }

/* ---------- stats ---------- */
.stat-strip {
  background: var(--ink);
  color: var(--white);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 28px 0;
}
.stat-item {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 14px;
}
.stat-item strong {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.stat-item span {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* ---------- purpose ---------- */
.purpose { background: var(--white); }
.purpose-inner {
  padding: 48px 0;
  display: grid;
  gap: 16px;
}
.purpose-text {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(24px, 5.5vw, 36px);
  color: var(--ink);
  max-width: 820px;
}

/* ---------- shared section ---------- */
.section { padding: 48px 0; }
.section-mist { background: var(--mist); }
.section-ink { background: var(--ink); color: var(--white); }
.section-ink .eyebrow { color: rgba(255, 255, 255, 0.5); }
.section-ink h2 { color: var(--white); }
.sec-head { margin-bottom: 36px; max-width: 640px; }
.sec-head h2 {
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
}
.sec-aside {
  font-size: 14px;
  color: var(--pewter);
  max-width: 280px;
  margin-top: 12px;
}
.sec-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.sec-head-row .sec-head { margin-bottom: 0; }

/* ---------- origin ---------- */
.origin-grid {
  display: grid;
  gap: 32px;
}
.origin-copy p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--graphite);
  margin-bottom: 20px;
}
.origin-copy strong { color: var(--ink); font-weight: 600; }
.origin-photo img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--smoke);
}
.origin-photo figcaption {
  font-size: 12px;
  color: var(--pewter);
  margin-top: 8px;
}
.quote {
  border-left: 2px solid var(--ink);
  padding: 4px 0 4px 20px;
  margin-top: 8px;
}
.quote p {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(20px, 4.5vw, 26px);
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 12px;
}
.quote cite {
  font-style: normal;
  font-size: 14px;
  color: var(--pewter);
}

/* ---------- principles / FAQ details ---------- */
.detail-list {
  border-top: 1px solid var(--smoke);
  border-bottom: 1px solid var(--smoke);
}
.detail-item {
  border-bottom: 1px solid var(--smoke);
}
.detail-item:last-child { border-bottom: 0; }
.detail-item summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.detail-item summary::-webkit-details-marker { display: none; }
.detail-body {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex: 1;
  min-width: 0;
}
.detail-num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  color: var(--smoke);
  width: 40px;
  flex: none;
}
.detail-item h3 {
  font-size: clamp(18px, 4vw, 24px);
  font-weight: 700;
  margin-bottom: 8px;
}
.detail-item .detail-desc {
  font-size: 15px;
  color: var(--graphite);
  max-width: 620px;
}
.evidence {
  margin-top: 14px;
  max-width: 620px;
  padding-left: 14px;
  border-left: 2px solid var(--pewter);
  font-size: 14px;
  color: var(--graphite);
}
.evidence b { color: var(--ink); font-weight: 600; }
.chevron {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 6px;
  color: var(--pewter);
  transition: transform 200ms ease;
}
.detail-item[open] .chevron { transform: rotate(180deg); }

/* ---------- courses / catalog ---------- */
.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0 14px;
  margin-bottom: 8px;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none;
  scroll-snap-align: start;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid var(--smoke);
  background: var(--white);
  font-weight: 600;
  font-size: 13px;
  color: var(--graphite);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
  -webkit-tap-highlight-color: transparent;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.filter-status {
  font-size: 13px;
  color: var(--pewter);
  margin-bottom: 16px;
}

.course-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--smoke);
  border-left: 1px solid var(--smoke);
}
.course {
  border-right: 1px solid var(--smoke);
  border-bottom: 1px solid var(--smoke);
  background: var(--white);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 160ms ease, opacity 280ms ease, transform 280ms ease;
}
.course:hover { background: var(--mist); }
.course.is-out {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}
.course[hidden] { display: none; }
.course-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.course-cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pewter);
  text-transform: uppercase;
}
.course-level {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--mist);
  border: 1px solid var(--smoke);
  color: var(--ink);
}
.lv2 { background: var(--pink); border-color: transparent; color: var(--ink); }
.lv3 { background: var(--ink); border-color: transparent; color: var(--white); }
.course h3 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 4px;
}
.course p {
  font-size: 13px;
  color: var(--pewter);
  flex: 1;
}
.course-meta {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--pewter);
}
.course-meta b { color: var(--ink); font-weight: 700; }

.mid-cta {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--smoke);
}
.mid-cta p {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(18px, 4vw, 22px);
  color: var(--ink);
  line-height: 1.3;
}

/* ---------- mentors / team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--smoke);
  border: 1px solid var(--smoke);
}
.team-card {
  background: var(--white);
  padding: 20px;
  transition: background 160ms ease;
}
.team-card:hover,
.team-card:focus-within { background: var(--mist); }
.team-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 14px;
}
.team-card h3 {
  font-size: 18px;
  font-weight: 700;
}
.team-role {
  font-size: 13px;
  color: var(--pewter);
  margin: 4px 0 10px;
}
.team-bio {
  font-size: 14px;
  color: var(--graphite);
}
.team-cta {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

/* ---------- milestones / path ---------- */
.timeline {
  position: relative;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 28px;
  display: grid;
  gap: 40px;
}
.tl-item { position: relative; }
.tl-dot {
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--pink);
  border-radius: 50%;
}
.tl-date {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
}
.tl-item h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.tl-item p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 640px;
  font-size: 15px;
}

/* ---------- proof ---------- */
.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--smoke);
}
.proof-card {
  border-bottom: 1px solid var(--smoke);
  padding: 28px 0;
}
.proof-card strong {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 40px;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.proof-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.proof-card p {
  font-size: 14px;
  color: var(--graphite);
}

/* ---------- FAQ + enroll ---------- */
.enroll-grid {
  display: grid;
  gap: 36px;
}
.enroll-copy p {
  font-size: 16px;
  color: var(--graphite);
  margin: 0 0 24px;
  max-width: 440px;
}
.faq-list {
  border: 1px solid var(--smoke);
  background: var(--white);
}
.faq-list details { border-bottom: 1px solid var(--smoke); }
.faq-list details:last-child { border-bottom: 0; }
.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
  min-height: 56px;
  -webkit-tap-highlight-color: transparent;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .chevron { margin-top: 0; }
.faq-list details[open] summary .chevron { transform: rotate(180deg); }
.faq-list details p {
  padding: 0 18px 18px;
  font-size: 14px;
  color: var(--graphite);
}

.cta-panel {
  margin-top: 24px;
  border: 1px solid var(--smoke);
  background: var(--white);
  padding: 22px;
}
.cta-panel h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.cta-panel > p {
  font-size: 13px;
  color: var(--pewter);
  margin-bottom: 18px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cta-actions .btn-primary,
.cta-actions .btn-secondary {
  flex: 1 1 140px;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--white);
  padding: 48px 0 calc(24px + env(safe-area-inset-bottom));
}
.footer-top {
  display: grid;
  gap: 32px;
  margin-bottom: 36px;
}
.footer-brand .brand { color: var(--white); font-size: 20px; }
.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 14px;
  max-width: 280px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.footer-cols h3 {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 12px;
  font-family: var(--font);
  letter-spacing: 0;
}
.footer-cols a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  padding: 6px 0;
  min-height: 36px;
}
.footer-cols a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ========== tablet ========== */
@media (min-width: 640px) {
  .scrapbook { height: 400px; }
  .scrap-card img { height: 170px; }
  .scrap-card { width: 42%; }
  .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .proof-card {
    border-bottom: 0;
    border-right: 1px solid var(--smoke);
    padding: 28px 24px 28px 0;
  }
  .proof-card:nth-child(2) { padding-left: 24px; }
  .proof-card:last-child {
    border-right: 0;
    padding-right: 0;
    padding-left: 24px;
  }
  .footer-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  :root {
    --pad-x: max(32px, env(safe-area-inset-left));
    --pad-x-r: max(32px, env(safe-area-inset-right));
    --header-h: 72px;
  }
  .brand small { display: inline; }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 64px 0 80px;
  }
  .scrapbook { height: 440px; }
  .scrap-card img { height: 180px; }
  .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
  .purpose-inner {
    grid-template-columns: 1fr 2fr;
    gap: 32px;
    padding: 64px 0;
  }
  .section { padding: 64px 0; }
  .origin-grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }
  .origin-copy { padding-top: 48px; }
  .origin-photo img { height: 320px; }
  .course-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .chips { flex-wrap: wrap; overflow: visible; }
  .team-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .team-card img { height: 220px; }
  .mid-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .enroll-grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
  }
  .footer-top {
    grid-template-columns: 1.2fr 2fr;
    gap: 40px;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary,
  .cta-actions .btn-primary,
  .cta-actions .btn-secondary {
    flex: 0 0 auto;
  }
}

/* ========== desktop nav ========== */
@media (min-width: 1024px) {
  .burger { display: none; }
  .header-cta { display: inline-flex; }
  .main-nav {
    position: static;
    transform: none;
    visibility: visible;
    background: transparent;
    border: 0;
    padding: 0;
    max-height: none;
    overflow: visible;
    transition: none;
  }
  .main-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }
  .main-nav a {
    min-height: auto;
    border: 0;
    font-size: 14px;
    padding: 0;
  }
  .nav-cta-mobile { display: none; }
  .header-inner { gap: 24px; }
  .brand { margin-right: auto; }
  .scrapbook { height: 460px; }
  .scrap-card { width: 40%; }
  .scrap-1 { left: 4%; top: 2%; width: 42%; }
  .scrap-2 { right: 2%; top: 0; width: 40%; }
  .scrap-3 { left: 12%; bottom: 6%; width: 38%; }
  .scrap-4 { right: 6%; bottom: 0; width: 36%; }
  .scrap-1 img { height: 190px; }
  .scrap-2 img { height: 170px; }
  .scrap-3 img { height: 180px; }
  .scrap-4 img { height: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .photo-rot-1, .photo-rot-2, .photo-rot-3, .photo-rot-4 { transform: none; }
  .chevron { transition: none; }
}