/* ============================================================
   Myopowers / 帕渥尔 — Editorial Design System
   ============================================================
   Style precedent: brochure-4page-v5.html
   Constraints:    avoid AI-generic patterns (impeccable.md)
   ============================================================ */

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
img, svg, video { display: block; max-width: 100%; }
button { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ---- Tokens ---- */
:root {
  /* OKLCH palette — perceptually uniform, paper-based */
  --paper:      oklch(98% 0.008 75);
  --paper-2:    oklch(95.5% 0.012 75);
  --paper-deep: oklch(93% 0.014 70);
  --rule:       oklch(84% 0.014 70);
  --rule-soft:  oklch(91% 0.010 70);
  --ink:        oklch(20% 0.018 65);
  --ink-soft:   oklch(38% 0.018 65);
  --ink-mute:   oklch(48% 0.016 65);   /* tightened from 58% to meet WCAG AA on paper */
  --navy:       oklch(34% 0.16 265);
  --navy-deep:  oklch(22% 0.14 265);
  --ochre:      oklch(58% 0.14 55);
  --seal:       oklch(45% 0.18 30);

  /* Typography stacks */
  --font-serif:     'Spectral', 'Noto Serif SC', 'Songti SC', Georgia, serif;
  --font-sans:      'Host Grotesk', 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
  --font-cjk-serif: 'Noto Serif SC', 'Spectral', 'Songti SC', serif;
  --font-cjk-sans:  'Noto Sans SC', 'Host Grotesk', 'PingFang SC', system-ui, sans-serif;

  /* 4pt spacing scale, semantic names */
  --space-2xs: 4px;
  --space-xs:  8px;
  --space-sm:  12px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 144px;

  /* Page max widths */
  --w-content: 1240px;
  --w-prose:   72ch;

  /* Reading width — line length cap */
  --max-prose: 72ch;
}

/* ---- Base ---- */
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-cjk-sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  font-feature-settings: "kern", "calt", "ss01";
  text-rendering: optimizeLegibility;
}

/* Numbers in body — old-style proportional (more humanist) */
.tabular { font-variant-numeric: tabular-nums; }
.lining  { font-variant-numeric: lining-nums; }

/* Registered-mark superscript — global, consistent across the site */
sup {
  font-family: var(--font-serif);
  font-size: 0.58em;
  vertical-align: super;
  line-height: 0;
  letter-spacing: 0;
  margin-left: 0.06em;
}

/* Keyboard focus — visible, not the default blue ring */
:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 0;
}
a:focus-visible, button:focus-visible {
  outline-offset: 4px;
}

/* ============================================================
   PAGE FRAME
   ============================================================ */

.frame {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 72px);
}

.regulatory-strip {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  padding: 9px 16px;
  font-weight: 500;
}
.regulatory-strip .cn {
  font-family: var(--font-cjk-sans);
  letter-spacing: 0.04em;
  text-transform: none;
  margin-left: 18px;
  opacity: 0.78;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  border-bottom: 0.5px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 16px clamp(24px, 5vw, 72px);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
}
@media (max-width: 1080px) {
  .nav-inner { grid-template-columns: auto 1fr auto; }
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
}
.nav-brand img {
  height: 60px; width: auto;
  mix-blend-mode: multiply;
  object-fit: contain;
}
@media (max-width: 760px) {
  .nav-brand img { height: 44px; }
}
.nav-links {
  display: flex; gap: clamp(20px, 3.5vw, 44px);
  font-family: var(--font-sans);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em;
  justify-content: center;
}
.nav-links a {
  position: relative;
  padding-block: 6px;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active {
  color: var(--ink);
}
.nav-links a.active::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: -2px;
  border-bottom: 1px solid var(--ink);
}
.nav-tagline {
  font-family: var(--font-cjk-serif);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--navy);
  white-space: nowrap;
  border-left: 0.5px solid var(--rule);
  padding-left: clamp(16px, 2vw, 28px);
}
@media (max-width: 1080px) {
  .nav-tagline { display: none; }
}

.nav-cta {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.nav-cta::before {
  content: ''; display: inline-block;
  width: 18px; border-top: 1px solid var(--ink);
  vertical-align: middle;
}

/* Mobile nav */
.nav-toggle { display: none; }
@media (max-width: 760px) {
  .nav-inner { grid-template-columns: auto auto; gap: var(--space-md); }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center;
    font-family: var(--font-sans);
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--ink);
  }
  .nav.open .nav-links {
    display: flex; flex-direction: column;
    grid-column: 1 / -1;
    padding: var(--space-md) 0 var(--space-lg);
    gap: var(--space-md);
    border-top: 0.5px solid var(--rule);
    margin-top: var(--space-md);
  }
}

/* ============================================================
   EDITORIAL PRIMITIVES
   ============================================================ */

/* Section mark — small caps + Roman numeral */
.section-mark {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-soft);
  display: flex; align-items: baseline; gap: 18px;
  padding-bottom: 8px;
}
.section-mark .num {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 13px; color: var(--navy);
  letter-spacing: 0; text-transform: none;
}
.section-mark .rule {
  flex: 1; height: 0;
  border-bottom: 0.5px solid var(--rule);
  transform: translateY(-3px);
}

/* Display heading — fluid serif */
.display {
  font-family: var(--font-cjk-serif);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 56px);
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.012em;
  margin: 14px 0 22px;
}
.display .em { color: var(--navy); }
.display--sm { font-size: clamp(22px, 2.8vw, 32px); margin: 8px 0 14px; }
.display--xl { font-size: clamp(36px, 6vw, 80px); }

/* Body text */
.body {
  font-family: var(--font-cjk-sans);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: var(--max-prose);
  hanging-punctuation: allow-end;
}
.body--lead {
  font-size: 20px;
  line-height: 1.7;
  color: var(--ink);
  font-weight: 400;
}

/* Italic Spectral — replaces "pill / badge / tag" shorthand */
.kicker {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 16px; color: var(--navy);
  letter-spacing: 0.005em;
}

/* Hairline rules */
.rule-h     { border: 0; border-top: 0.5px solid var(--rule);  margin: 32px 0; }
.rule-thick { border: 0; border-top: 1.5px solid var(--ink);   margin: 24px 0; }
.rule-soft  { border: 0; border-top: 0.5px solid var(--rule-soft); margin: 24px 0; }

/* Big serif data numerals */
.data-num {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(56px, 9vw, 100px);
  color: var(--ochre);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-variant-numeric: lining-nums;
  display: inline-flex; align-items: baseline; gap: 0;
}
.data-num .unit {
  font-family: var(--font-serif);
  font-size: 0.42em; font-weight: 400;
  margin-left: 4px;
}
.data-label {
  font-family: var(--font-cjk-sans);
  font-size: 13px; font-weight: 500;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-top: var(--space-md);
  max-width: 32ch;
}
.data-label sup {
  font-family: var(--font-sans);
  font-size: 9px; color: var(--ink-mute);
  top: -0.5em; position: relative;
}

/* Section spacing */
.section { padding-block: clamp(64px, 9vw, 144px); }
.section--tight { padding-block: clamp(40px, 6vw, 80px); }
.section--paper-2 { background: var(--paper-2); }

/* Eyebrow — small caps single line */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  display: inline-block;
}

/* Quote — Chinese stays roman to avoid synthesized italic; only the leading mark is italic */
.quote {
  font-family: var(--font-cjk-serif);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.6;
  color: var(--navy);
  padding-left: 28px;
  position: relative;
  max-width: 26ch;
}
.quote::before {
  content: '“';
  position: absolute; left: 0; top: -12px;
  font-family: var(--font-serif);
  font-size: 56px; color: var(--navy);
  font-weight: 300; font-style: italic;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--paper-deep);
  padding-block: 72px 40px;
  border-top: 1.5px solid var(--ink);
  margin-top: clamp(64px, 8vw, 120px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: clamp(20px, 3vw, 56px);
  margin-bottom: 56px;
}
.footer-brand img {
  height: 88px; width: auto;
  mix-blend-mode: multiply;
  object-fit: contain;
  margin-bottom: var(--space-md);
}
.footer-brand p {
  font-family: var(--font-cjk-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 30ch;
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink);
  margin-bottom: var(--space-md);
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--rule);
}
.footer-col ul { list-style: none; }
.footer-col li {
  font-family: var(--font-cjk-sans);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 24px;
  border-top: 0.5px solid var(--rule);
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
  flex-wrap: wrap; gap: var(--space-md);
}
.footer-bottom .regulatory {
  font-family: var(--font-cjk-sans);
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--ink-mute);
  max-width: 70ch;
  line-height: 1.6;
  flex-basis: 100%;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 0.5px solid var(--rule-soft);
}
.footer-bottom .regulatory strong { color: var(--ink-soft); font-weight: 600; }

@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ============================================================
   COMMON COMPONENTS
   ============================================================ */

/* Hero band — left-aligned editorial intro */
.hero {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: clamp(32px, 5vw, 72px);
  padding-block: clamp(32px, 4vw, 56px) clamp(48px, 6vw, 80px);
  align-items: center;
}
.hero-text { min-width: 0; }
.hero-text .display--xl {
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.2;
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero-stage {
  position: relative;
  min-width: 0;
  height: clamp(280px, 36vw, 440px);   /* explicit cap, no aspect-ratio domination */
  display: flex; align-items: center; justify-content: center;
}
.hero-stage img {
  max-width: 100%; max-height: 100%;
  width: auto; height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.04);
}
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding-block: 32px 40px; }
  .hero-stage { height: clamp(240px, 60vw, 360px); }
  .hero-text .display--xl { font-size: clamp(34px, 8vw, 48px); }
}

/* About hero — left brand line, right mission paragraph */
.hero--about {
  grid-template-columns: 3fr 2fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
  padding-block: clamp(72px, 10vw, 140px) clamp(48px, 7vw, 80px);
}
@media (max-width: 880px) {
  .hero--about { grid-template-columns: 1fr; gap: 32px; align-items: start; padding-block: 32px 40px; }
}

/* Apply CJK keep-all to all display-class headings — never break mid-phrase */
.display { word-break: keep-all; overflow-wrap: normal; }

/* Three-up tech list — numbered */
.tech-list {
  display: flex; flex-direction: column;
  border-top: 0.5px solid var(--rule);
}
.tech-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-2xl);
  padding-block: clamp(24px, 4vw, 40px);
  border-bottom: 0.5px solid var(--rule);
  align-items: start;
}
.tech-num {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(48px, 6vw, 80px);
  color: var(--navy);
  line-height: 0.85;
  letter-spacing: -0.04em;
  font-variant-numeric: lining-nums;
}
.tech-body h3 {
  font-family: var(--font-cjk-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ink);
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin-bottom: 12px;
}
.tech-body p {
  font-family: var(--font-cjk-sans);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 56ch;
}

/* Three-stat data row */
.data-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  border-top: 1.5px solid var(--ink);
  border-bottom: 0.5px solid var(--rule);
  padding-block: 28px 24px;
  position: relative;
}
.data-row::before, .data-row::after {
  content: ''; position: absolute; top: 0; bottom: 0;
  border-left: 0.5px solid var(--rule);
}
.data-row::before { left: calc(100% / 3); }
.data-row::after  { left: calc(200% / 3); }
.data-cell { padding: 0 var(--space-md); }
@media (max-width: 720px) {
  .data-row { grid-template-columns: 1fr; gap: var(--space-md); padding-block: 16px; }
  .data-row::before, .data-row::after { display: none; }
  .data-cell { padding-block: 18px; border-bottom: 0.5px solid var(--rule-soft); }
  .data-cell:last-child { border-bottom: 0; }
}

/* Timeline — restrained ruling, no rounded dots */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  position: relative;
  padding: var(--space-lg) 0;
}
.timeline::before {
  content: ''; position: absolute;
  left: 0; right: 0; top: 24px;
  border-top: 0.5px solid var(--rule);
}
.tl {
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 36px; position: relative;
  text-align: left;
}
.tl::before {
  content: ''; position: absolute; top: 19px; left: 0;
  width: 9px; height: 9px;
  background: var(--rule);
}
.tl.done::before { background: var(--ink-soft); }
.tl.active::before { background: var(--ochre); width: 12px; height: 12px; top: 18px; }
.tl-phase {
  font-family: var(--font-cjk-sans);
  font-size: 13px; font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.tl.active .tl-phase { color: var(--ochre); }
.tl-year {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 13px; color: var(--ink-mute);
}
@media (max-width: 720px) {
  .timeline { grid-template-columns: 1fr; gap: 0; padding: 0; }
  .timeline::before { display: none; }
  .tl { padding: 18px 0 18px 28px; border-bottom: 0.5px solid var(--rule-soft); }
  .tl::before { top: 22px; left: 0; }
}

/* Two-column section header (eyebrow + title left, narrative right) */
.split {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
  margin-bottom: clamp(32px, 5vw, 64px);
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 16px; } }

/* Card-less news item */
.news {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding-block: 32px;
  border-top: 0.5px solid var(--rule);
  align-items: start;
}
.news:last-child { border-bottom: 0.5px solid var(--rule); }
.news-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10 !important;
  object-fit: cover;
  filter: contrast(1.02) saturate(0.95);
}
.news-meta {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 10px;
  display: flex; align-items: baseline; gap: var(--space-md);
}
.news-meta .date {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  letter-spacing: 0; text-transform: none;
  color: var(--ink-mute);
  font-size: 14px;
}
.news h3 {
  font-family: var(--font-cjk-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin-bottom: 12px;
}
.news p {
  font-family: var(--font-cjk-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 60ch;
}
@media (max-width: 720px) {
  .news { grid-template-columns: 1fr; }
}

/* Expert (PI) — typographic, not a card */
.expert {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-block: 36px;
  border-top: 0.5px solid var(--rule-soft);
  align-items: start;
}
.expert:first-child { border-top: 0.5px solid var(--ink); }
.expert__photo {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4 !important;
  object-fit: cover; object-position: center top;
  filter: grayscale(0.06) contrast(1.02);
}
.expert__role {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 8px;
}
.expert__name {
  font-family: var(--font-cjk-serif);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin-bottom: 2px;
}
.expert__name .en {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 0.65em;
  color: var(--ink-soft);
  margin-left: 14px;
}
.expert__bio {
  font-family: var(--font-cjk-sans);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 56ch;
  margin-top: 14px;
}
.expert__quote {
  font-family: var(--font-cjk-serif);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.65;
  color: var(--navy);
  padding-left: 18px;
  margin-top: 16px;
  position: relative;
  max-width: 50ch;
  border-left: 0;  /* explicitly: no side stripes */
}
.expert__quote::before {
  content: '“';
  position: absolute; left: 0; top: -8px;
  font-family: var(--font-serif);
  font-size: 36px; color: var(--navy);
  font-weight: 300; font-style: italic;
}
@media (max-width: 720px) {
  .expert { grid-template-columns: 130px 1fr; gap: 20px; }
}

/* Plain link with arrow */
.link {
  font-family: var(--font-sans);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
  transition: gap 0.2s, color 0.2s;
}
.link::after {
  content: '→';
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0;
}
.link:hover { gap: 14px; color: var(--navy); border-color: var(--navy); }

/* ============================================================
   COMPARISON TABLE — for technology page
   ============================================================ */

.compare {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-cjk-sans);
  font-size: 14.5px;
  margin: 32px 0;
}
.compare thead th {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1.5px solid var(--ink);
  white-space: nowrap;
}
.compare thead th.artus {
  color: var(--navy);
}
.compare tbody td {
  padding: 18px 16px;
  border-bottom: 0.5px solid var(--rule);
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-soft);
}
.compare tbody td:first-child {
  font-family: var(--font-cjk-serif);
  font-weight: 600;
  color: var(--ink);
}
.compare tbody td.artus {
  color: var(--navy);
  font-weight: 600;
}
.compare tbody tr:hover { background: var(--paper-2); }

/* ============================================================
   VIDEO BLOCK
   ============================================================ */

.video-stage {
  position: relative;
  background: var(--paper-2);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.video-stage video {
  width: 100%; height: 100%; object-fit: cover;
}
.video-cap {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 14px;
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
}
.video-cap .duration {
  font-family: var(--font-serif);
  font-style: italic; letter-spacing: 0;
  text-transform: none; color: var(--ink-soft);
  font-size: 13px;
}

/* ============================================================
   SKETCH STRIP — pencil sketches with multiply blend
   ============================================================ */
.sketch-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 48px);
  margin-top: clamp(32px, 5vw, 64px);
}
.sketch-strip figure { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.sketch-strip img {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3 !important;
  object-fit: contain; object-position: center;
  mix-blend-mode: multiply;
  background: var(--paper);
}
.sketch-strip figcaption {
  font-family: var(--font-sans);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  text-align: center;
}
@media (max-width: 600px) {
  .sketch-strip { grid-template-columns: 1fr; }
}

/* surgery photographs — full-bleed photos, no multiply blend */
.sketch-strip.surgery img {
  aspect-ratio: 4 / 3 !important;
  object-fit: cover;
  mix-blend-mode: normal;
  filter: contrast(1.04);
}
.sketch-strip.surgery figure:nth-child(2) img {
  filter: contrast(1.08) brightness(0.92) saturate(0.88);
}

/* launch event grid — three across */
.sketch-strip.launch-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
}
.sketch-strip.launch-grid img {
  aspect-ratio: 4 / 3 !important;
  object-fit: cover;
  mix-blend-mode: normal;
}
@media (max-width: 720px) {
  .sketch-strip.launch-grid { grid-template-columns: 1fr; }
}

/* Screen-reader only — for the comparison table caption */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ============================================================
   MODE LIST (multi-mode adaptive — for technology)
   ============================================================ */
.modes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 0.5px solid var(--rule);
  margin-top: var(--space-xl);
}
.mode {
  padding: 28px 24px 28px 0;
  border-bottom: 0.5px solid var(--rule);
}
.mode + .mode { border-left: 0.5px solid var(--rule); padding-left: 24px; }
.mode-name {
  font-family: var(--font-cjk-serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 6px;
}
.mode-en {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.mode-desc {
  font-family: var(--font-cjk-sans);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ============================================================
   MILESTONE BANNER
   ============================================================ */
.milestone {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1.5px solid var(--ink);
  border-bottom: 0.5px solid var(--rule);
  align-items: baseline;
}
.ms-date {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 108px);
  color: var(--navy);
  line-height: 0.92;
  letter-spacing: -0.025em;
}
.ms-date .mo {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 0.34em;
  color: var(--ink-soft);
  display: block;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.ms-title {
  font-family: var(--font-cjk-serif);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.ms-title em {
  font-style: normal;
  color: var(--navy);
}
@media (max-width: 720px) {
  .milestone { grid-template-columns: 1fr; }
}

/* ============================================================
   ON-LOAD STAGGER (motion — first paint only)
   ============================================================ */
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rise { animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.1, 1) both; }
.rise:nth-child(2) { animation-delay: 0.08s; }
.rise:nth-child(3) { animation-delay: 0.16s; }
.rise:nth-child(4) { animation-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; }
}

/* ============================================================
   PRINT — defensive, the layouts are screen-first
   ============================================================ */
@media print {
  body { background: oklch(98% 0.005 75); color: oklch(15% 0.02 65); }
  .nav, .footer, .regulatory-strip, .video-stage, .video-cap { display: none; }
  .frame { padding: 0; }
  .data-num { color: oklch(40% 0.14 55); }
  a { color: inherit; text-decoration: underline; }
}