/* QIANJUN.LTD — Design System */

:root {
  --c-bg: #ffffff;
  --c-ink: #0b0c10;
  --c-ink-soft: #5d5f66;
  --c-line: #e7e8eb;
  --c-blue: #0b2d5e;
  --c-blue-bright: #1f4e8f;
  --c-blue-tint: #f5f4f0;
  --c-dark-bg: #0e0f14;
  --c-dark-ink: #f4f5f7;
  --c-dark-soft: #9fa2ab;
  --c-bg-soft: #f6f5f1;
  --c-charcoal: #0e0f14;

  --ff-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --maxw: 1200px;
  --pad-x: clamp(1.25rem, 4vw, 3rem);
  --nav-h: 72px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.85s;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--ff-base);
  background: var(--c-bg);
  color: var(--c-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }

/* Container & grid */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .grid-12 { grid-template-columns: 1fr; }
}

/* Typography */
.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue-bright);
  margin-bottom: 1.25rem;
}
.eyebrow--blue { color: var(--c-blue-bright); }
.eyebrow--light { color: var(--c-dark-soft); }
.vision .eyebrow,
.philosophy .eyebrow {
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.display {
  font-size: clamp(3.8rem, 11vw, 10rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.title-xl {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.title-xl--zh { font-weight: 700; letter-spacing: 0.02em; }

.title-lg {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.title-md {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 650;
  line-height: 1.25;
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: var(--c-ink-soft);
  max-width: 56ch;
}
.body-soft { color: var(--c-ink-soft); }

.uppercase { text-transform: uppercase; }
.tight { letter-spacing: -0.03em; }

/* Spacing */
.section {
  position: relative;
  padding-block: clamp(5rem, 10vw, 9rem);
}
.section--sm { padding-block: clamp(3.5rem, 6vw, 5rem); }
.section--dark {
  background: var(--c-dark-bg);
  color: var(--c-dark-ink);
}
.section--tint { background: var(--c-blue-tint); }
.section--brand { background: #eef1f6; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mt-6 { margin-top: 4rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: 1px solid var(--c-ink);
  transition: all 0.25s var(--ease);
}
.btn:hover {
  background: var(--c-ink);
  color: var(--c-bg);
}
.btn--blue {
  border-color: var(--c-blue-bright);
  color: var(--c-blue-bright);
}
.btn--blue:hover {
  background: var(--c-blue-bright);
  color: #fff;
}
.btn--light {
  border-color: rgba(255,255,255,0.35);
  color: var(--c-dark-ink);
}
.btn--light:hover {
  background: var(--c-dark-ink);
  color: var(--c-dark-bg);
}
.btn--brand {
  border-color: var(--c-blue);
  color: var(--c-blue);
}
.btn--brand:hover {
  background: var(--c-blue);
  color: #fff;
}

/* Navigation */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--c-line);
}
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}
.nav__wordmark {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-ink);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}
.nav__link {
  position: relative;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  transition: color 0.2s;
}
.nav__link:hover,
.nav__link.is-active { color: var(--c-ink); }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.25s var(--ease);
}
.nav__link:hover::after,
.nav__link.is-active::after { width: 100%; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lang-toggle button {
  padding: 0.35rem 0.55rem;
  color: var(--c-ink-soft);
  transition: color 0.2s;
}
.lang-toggle button:hover { color: var(--c-ink); }
.lang-toggle button.is-active {
  color: var(--c-ink);
  box-shadow: inset 0 -1px 0 currentColor;
}

/* Mobile nav */
.nav__menu { display: none; }
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    padding: 2rem var(--pad-x);
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__menu .nav__link { font-size: 1.25rem; }
  .nav__burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
  }
  .nav__burger span {
    display: block;
    height: 1.5px;
    background: var(--c-ink);
    transition: transform 0.25s, opacity 0.2s;
  }
  .nav__burger.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__burger.is-active span:nth-child(2) { opacity: 0; }
  .nav__burger.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}
@media (min-width: 769px) {
  .nav__burger { display: none; }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }
.reveal--delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Hero */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
}
.hero__headline { max-width: 20ch; }
.hero__tags {
  margin-top: 1.5rem;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--c-ink-soft);
}
.hero__foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2.5rem;
  display: flex;
  gap: 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-ink-soft);
  padding-inline: var(--pad-x);
  max-width: var(--maxw);
  margin-inline: auto;
}
.hero__foot span { opacity: 0.55; }

/* Keywords / pills */
/* Capabilities */
/* Capabilities — de-cardified rows */
.cap-rows { border-top: 1px solid var(--c-line); }
.cap-row {
  display: grid;
  grid-template-columns: 4rem 1fr;
  align-items: baseline;
  gap: 1.5rem 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--c-line);
  transition: background 0.3s var(--ease);
}
.cap-row__num {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-ink-soft);
  padding-top: 0.5rem;
}
.cap-row__title {
  font-size: clamp(1.5rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.cap-row__desc {
  grid-column: 2;
  margin-top: 0;
  max-width: 62ch;
  color: var(--c-ink-soft);
  line-height: 1.65;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(-4px);
  transition: opacity 0.4s var(--ease), max-height 0.5s var(--ease), transform 0.4s var(--ease), margin-top 0.4s var(--ease);
}
.cap-row:hover .cap-row__desc,
.cap-row:focus-within .cap-row__desc {
  opacity: 1;
  max-height: 6rem;
  margin-top: 0.75rem;
  transform: translateY(0);
}
.cap-row--open { display: block; }
.cap-row--open .cap-row__desc {
  opacity: 1;
  max-height: 12rem;
  margin-top: 0.85rem;
  transform: translateY(0);
}
.cap-row__head { display: flex; align-items: baseline; gap: 1.5rem; }
.cap-row__body { margin-top: 1rem; }

/* Capabilities detail page */
.cap-detail { border-top: 1px solid var(--c-line); }
.cap-detail .cap-row { padding: 2.75rem 0; }
.cap-detail .cap-row__desc { display: none; }

@media (max-width: 768px) {
  .cap-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .cap-row__desc {
    grid-column: 1;
    opacity: 1;
    max-height: none;
    transform: none;
    margin-top: 0.75rem;
  }
}

/* 71SI block */
.brand-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 768px) {
  .brand-block { grid-template-columns: 1fr; gap: 2rem; }
}
.brand-block .title-lg { white-space: nowrap; }
.brand-block__title {
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.brand-block > div:last-child {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Organizations we work with — card style inspired by 71.si, refined & static */
.partners__lead,
.contact__lead {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--c-ink-soft);
  max-width: 58ch;
}
.partners__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
}
.partners__card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 1.25rem;
  padding: clamp(0.9rem, 1.6vw, 1.35rem);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.partners__card:hover {
  border-color: rgba(31, 78, 143, 0.35);
  box-shadow: 0 12px 28px rgba(11, 45, 94, 0.08);
  transform: translateY(-4px);
}
.partners__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: var(--c-blue-tint);
  color: var(--c-blue-bright);
  margin-bottom: 1.1rem;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.partners__card:hover .partners__icon {
  background: var(--c-blue-bright);
  color: #fff;
}
.partners__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}
.partners__name {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-ink);
  transition: color 0.3s var(--ease);
}
body[data-lang="zh"] .partners__name {
  white-space: nowrap;
}
.partners__card:hover .partners__name {
  color: var(--c-blue-bright);
}
.partners__cat {
  margin-top: 1.1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--c-line);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  opacity: 0.7;
}
@media (max-width: 640px) {
  .partners__grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .partners__card { padding: 1.1rem; }
}

/* Philosophy dark */
.philosophy {
  min-height: 80svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.philosophy__motto {
  font-size: clamp(3rem, 9vw, 7.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.04em;
}
.philosophy__pledge {
  margin-top: 2rem;
  font-size: clamp(1.25rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-dark-soft);
  text-transform: uppercase;
}
/* Vision dark */
.vision {
  min-height: 80svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.vision__title {
  font-size: clamp(3.5rem, 11vw, 10rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.vision__sub {
  margin-top: 1.5rem;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  color: var(--c-dark-soft);
}

/* Home contact */
.contact-cta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: end;
}
@media (max-width: 768px) {
  .contact-cta { grid-template-columns: 1fr; }
}

/* Home contact block */
.contact-cta__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.contact-cta__email {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}
.contact-cta__email:hover { border-color: var(--c-blue); }

/* Footer */
.footer {
  padding-block: 3rem;
  border-top: 1px solid var(--c-line);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer__tagline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-ink);
}
.footer__copy {
  font-size: 0.75rem;
  color: var(--c-ink-soft);
  text-align: right;
}
@media (max-width: 640px) {
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__copy { text-align: left; }
}

/* Contact page */
.contact-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-main { grid-template-columns: 1fr; gap: 2.5rem; }
}
.contact__info dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  margin-bottom: 0.35rem;
}
.contact__info dd {
  font-size: 1rem;
  margin-bottom: 1.25rem;
}
.form__group { margin-bottom: 1.25rem; }
.form__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  margin-bottom: 0.5rem;
}
.form__input,
.form__textarea {
  width: 100%;
  font-size: 1rem;
  padding: 1rem;
  border: 1px solid var(--c-line);
  background: #fff;
  color: var(--c-ink);
  outline: none;
  transition: border-color 0.2s;
}
.form__input:focus,
.form__textarea:focus { border-color: var(--c-ink); }
.form__textarea { min-height: 140px; resize: vertical; }
.form__success {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--c-blue-tint);
  border-left: 2px solid var(--c-blue-bright);
  font-size: 0.95rem;
}
.form__success.is-visible { display: block; }
.form__error {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: #fdecec;
  border-left: 2px solid #c0392b;
  font-size: 0.95rem;
  color: #8a1f1f;
}
.form__error.is-visible { display: block; }

/* Capabilities list */
.cap-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.cap-list__item {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--c-line);
  color: var(--c-ink-soft);
}

/* Logo image treatment */
.logo-img {
  width: clamp(140px, 18vw, 220px);
  height: auto;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
}

/* Logo as nav brand mark */
.nav__logo-img {
  height: 32px;
  width: auto;
  border-radius: 4px;
  display: block;
}

/* Logo as footer brand mark */
.footer__logo-img {
  height: 56px;
  width: auto;
  border-radius: 6px;
  display: block;
}

/* Page header */
.page-header {
  padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

/* Company page — about name + light-bg philosophy pledge */
body[data-page="company"] .page-header {
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
}
body[data-page="company"] .section--sm {
  padding-top: clamp(2rem, 3vw, 2.5rem);
  padding-bottom: clamp(3rem, 5vw, 4.5rem);
}
body[data-page="contact"] .title-xl,
body[data-page="capabilities"] .title-xl {
  font-size: clamp(1.9rem, 3.5vw, 3rem);
}
.company__name {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
}
.company__name-en {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.5em;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--c-ink-soft);
}
.phil-pledge {
  margin-top: 1rem;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-ink-soft);
}
.philosophy .lead {
  max-width: 42ch;
  margin: 1.5rem auto 0;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.85;
}

/* Company page — WHAT WE VALUE / 我們重視 */
.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
.value-item {
  border-top: 1px solid var(--c-line);
  padding-top: 1.25rem;
}
.value-item__title {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.value-item__desc {
  margin-top: 0.85rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
  max-width: 34ch;
}
@media (max-width: 768px) {
  .values__grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* Helpers */
.text-center { text-align: center; }
.max-w-ch { max-width: 65ch; }
.mx-auto { margin-inline: auto; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ============================================================
   Capabilities page — de-cardified big blocks
   ============================================================ */
.cap-list {
  display: flex;
  flex-direction: column;
  margin-top: 0;
}
.cap-block {
  position: relative;
  padding: clamp(3rem, 7vw, 6rem) 0;
  border-top: 1px solid var(--c-line);
  overflow: hidden;
}
.cap-block:last-child { border-bottom: 1px solid var(--c-line); }
.cap-block__num {
  position: absolute;
  right: clamp(-0.5rem, 1vw, 1.5rem);
  top: clamp(1.25rem, 4vw, 3rem);
  font-size: clamp(7rem, 20vw, 17rem);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: #eef0f3;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  transition: transform 0.6s var(--ease), color 0.6s var(--ease);
}
.cap-block__body {
  position: relative;
  z-index: 1;
  max-width: 72%;
}
.cap-block__title {
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  transition: color 0.4s var(--ease);
}
.cap-block__zh {
  margin-top: 0.5rem;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 500;
  color: var(--c-ink-soft);
  letter-spacing: 0.04em;
}
.cap-block__desc {
  margin-top: 1.25rem;
  max-width: 54ch;
  line-height: 1.7;
  color: var(--c-ink-soft);
}
.cap-block__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
  margin-top: 1.6rem;
}
.cap-block__keys li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink);
}
.cap-block__keys li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--c-blue-bright);
}
/* hover micro-animation: number drifts, title tints */
.cap-block:hover .cap-block__num,
.cap-block:focus-within .cap-block__num {
  transform: translateX(-0.6rem);
  color: #e4e8ee;
}
.cap-block:hover .cap-block__title,
.cap-block:focus-within .cap-block__title {
  color: var(--c-blue-bright);
}
/* DELIVERABLES / 交付内容 layer — distinct from the uppercase keys layer above */
.cap-block__sublabel {
  margin-top: 1.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue-bright);
}
.cap-block__deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.95rem;
  margin-top: 0.6rem;
}
.cap-block__deliverables li {
  position: relative;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--c-ink-soft);
}
.cap-block__deliverables li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -0.6rem;
  color: var(--c-ink-soft);
  opacity: 0.45;
}
@media (max-width: 768px) {
  .cap-block__body { max-width: 100%; }
  .cap-block__num {
    font-size: clamp(5rem, 34vw, 9rem);
    top: 0.5rem;
    opacity: 0.7;
  }
}

/* ============================================================
   Contact page — bold hero + underline-only form
   ============================================================ */
.contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
  margin-top: clamp(2.5rem, 6vw, 5rem);
}
.contact-cats {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.contact-cats li {
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: 0.01em;
}
.contact-hero__aside { text-align: right; }
.contact-hero__email {
  display: inline-block;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-blue);
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s var(--ease);
}
.contact-hero__email:hover { border-color: var(--c-blue); }
.contact-hero__hk {
  margin-top: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
}
.contact-form {
  max-width: 720px;
  margin-top: 2rem;
}
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
/* underline-only inputs (override box style) */
.contact-form .form__input,
.contact-form .form__textarea {
  width: 100%;
  font-size: 1rem;
  padding: 0.85rem 0;
  border: none;
  border-bottom: 1px solid var(--c-line);
  background: transparent;
  color: var(--c-ink);
  outline: none;
  transition: border-color 0.25s var(--ease);
}
.contact-form .form__input:focus,
.contact-form .form__textarea:focus {
  border-bottom-color: var(--c-ink);
}
@media (max-width: 640px) {
  .contact-form__row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .contact-hero__grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .contact-hero__aside { text-align: left; }
}