:root {
  --brand-blue: #19a7dc;
  --brand-purple: #8c54d9;
  --brand-pink: #e5448c;
  --ink: #33231b;
  --muted: #715f53;
  --soft-muted: #927f70;
  --line: #eadbcc;
  --paper: #fffaf3;
  --cream: #f8f0e6;
  --cream-2: #fbf7f1;
  --orange: #c96e00;
  --orange-2: #e48a1f;
  --orange-soft: #fff1df;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(85, 52, 24, .12);
  --shadow-soft: 0 8px 26px rgba(85, 52, 24, .08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "Noto Sans HK", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
figure { margin: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 250, 243, .92);
  border-bottom: 1px solid rgba(234, 219, 204, .72);
  backdrop-filter: blur(16px);
}
.nav-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-weight: 900;
  letter-spacing: -.05em;
  font-size: clamp(1.32rem, 2vw, 1.72rem);
  line-height: 1;
  white-space: nowrap;
}
.brand .care { background: linear-gradient(90deg, var(--brand-blue), var(--brand-purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand .ai { color: var(--brand-pink); letter-spacing: -.07em; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); color: #5f5148; font-size: .92rem; font-weight: 600; }
.nav-links a:hover { color: var(--orange); }
.nav-cta, .btn-primary, .btn-secondary, .card-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 10px; font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta, .btn-primary, .card-cta { color: var(--white); background: linear-gradient(135deg, var(--orange), var(--orange-2)); box-shadow: 0 10px 22px rgba(201, 110, 0, .22); }
.btn-secondary { color: var(--orange); border: 2px solid rgba(201, 110, 0, .5); background: rgba(255, 255, 255, .76); }
.nav-cta:hover, .btn-primary:hover, .btn-secondary:hover, .card-cta:hover { transform: translateY(-2px); }

.section { position: relative; overflow: hidden; }
.container { max-width: var(--max); margin: 0 auto; padding-inline: 24px; }
.eyebrow { color: var(--orange); font-weight: 900; letter-spacing: .08em; font-size: .86rem; text-transform: uppercase; margin: 0 0 10px; }
.section-title { font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.15; margin: 0 0 20px; letter-spacing: -.04em; }
.section-copy { color: var(--muted); margin: 0; max-width: 680px; }

.hero-section {
  min-height: 690px;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 75% 20%, rgba(229, 185, 134, .38), transparent 32%), linear-gradient(110deg, rgba(255, 250, 243, .96) 0%, rgba(250, 235, 217, .82) 46%, rgba(244, 219, 195, .72) 100%);
}
.hero-section::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,250,243,.96) 0%, rgba(255,250,243,.65) 44%, rgba(255,250,243,.08) 78%), radial-gradient(circle at 93% 16%, rgba(92, 72, 44, .16), transparent 14%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 520px); gap: clamp(28px, 6vw, 78px); align-items: center; padding-block: 80px; }
.hero-content { max-width: 590px; }
.hero-title { font-size: clamp(2.45rem, 6vw, 5.2rem); line-height: 1.08; letter-spacing: -.07em; margin: 0 0 24px; font-weight: 900; }
.hero-copy { color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.26rem); max-width: 560px; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 22px; }
.audience-chip { display: inline-flex; align-items: center; gap: 12px; padding: 12px 18px; border-radius: 12px; color: #5f5148; background: rgba(255, 255, 255, .76); box-shadow: var(--shadow-soft); font-weight: 800; }
.hero-visual { position: relative; isolation: isolate; }
.hero-visual img { filter: drop-shadow(0 25px 36px rgba(84, 52, 25, .2)); transform: translateY(12px); }

.tech-section { background: linear-gradient(180deg, #fffdf9, #fbf6ef); padding: 92px 0; }
.tech-grid { display: grid; grid-template-columns: minmax(300px, .95fr) minmax(0, 1fr); gap: clamp(34px, 7vw, 88px); align-items: center; }
.tech-art { padding: 20px; border-radius: var(--radius-lg); }
.tech-art img { opacity: .92; }
.process-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 30px 0 18px; }
.process-card { border: 1px solid rgba(201, 110, 0, .24); background: rgba(255, 244, 230, .76); border-radius: 14px; padding: 18px 20px; display: flex; align-items: center; gap: 14px; color: var(--ink); font-weight: 900; font-size: 1.2rem; min-height: 78px; }
.icon { width: 30px; height: 30px; color: var(--orange); flex: 0 0 auto; }

.value-section { background: linear-gradient(90deg, #f8f2e8 0%, #fbf7f1 54%, #eee2d3 100%); padding: 96px 0; }
.value-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 520px); gap: clamp(28px, 6vw, 72px); align-items: center; }
.value-list { margin-top: 34px; display: grid; gap: 22px; }
.value-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid rgba(113, 95, 83, .22); }
.value-item:last-child { border-bottom: none; }
.value-item h3 { margin: 0 0 4px; font-size: 1.25rem; letter-spacing: -.02em; }
.value-item p { color: var(--muted); margin: 0; }
.care-photo { border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; }
.care-photo img { width: 100%; height: 100%; object-fit: cover; }

.solutions-section { background: #fffdf9; padding: 96px 0 84px; text-align: center; }
.solutions-intro { margin: 0 auto 42px; max-width: 760px; }
.solutions-intro .section-copy { margin-inline: auto; }
.solution-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; text-align: left; }
.solution-card { background: var(--white); border: 1px solid rgba(234, 219, 204, .88); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; }
.solution-card img { width: 100%; aspect-ratio: 1.45 / 1; object-fit: cover; background: var(--cream); }
.solution-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.card-label { color: var(--orange); font-size: .78rem; font-weight: 900; letter-spacing: .08em; margin-bottom: 4px; }
.solution-card h3 { margin: 0 0 12px; font-size: 1.72rem; letter-spacing: -.04em; line-height: 1.18; }
.solution-card ul { color: var(--muted); margin: 0 0 24px; padding-left: 1.2em; }
.solution-card li { margin: 6px 0; }
.card-cta { margin-top: auto; width: 100%; min-height: 46px; }

.workflow-section { background: linear-gradient(90deg, #fbf3e8, #fffdf8 42%, #fbf1e6); padding: 54px 0; border-block: 1px solid rgba(234, 219, 204, .65); }
.workflow-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 5vw, 62px); align-items: center; }
.workflow-product img { filter: drop-shadow(0 18px 25px rgba(85, 52, 24, .16)); }
.workflow-pills { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.workflow-pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1px solid rgba(201, 110, 0, .28); background: rgba(255, 255, 255, .7); color: #6b4f3b; font-weight: 800; }

.sop-section { background: #fffaf3; padding: 86px 0 96px; }
.sop-heading { text-align: center; margin-bottom: 44px; }
.sop-heading .section-copy { margin: 0 auto; }
.sop-grid { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(0, 1fr); gap: clamp(30px, 7vw, 82px); align-items: center; }
.venn { min-height: 280px; position: relative; display: flex; align-items: center; justify-content: center; }
.venn-circle { width: 185px; height: 185px; border-radius: 999px; border: 1px solid rgba(201, 110, 0, .25); background: rgba(255, 222, 174, .52); display: grid; place-items: center; text-align: center; position: relative; margin-inline: -20px; color: #7b5a42; font-weight: 900; }
.venn-circle .icon { margin: 0 auto 10px; }
.sop-list { display: grid; gap: 16px; }
.sop-row { display: grid; grid-template-columns: minmax(170px, 210px) 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid rgba(113, 95, 83, .18); align-items: center; }
.sop-row strong { display: block; font-size: 1.12rem; line-height: 1.2; }
.sop-row span { display: block; color: var(--soft-muted); font-size: .86rem; font-weight: 800; }
.sop-row p { margin: 0; color: var(--muted); font-weight: 700; }

.site-footer { background: linear-gradient(145deg, #3a291f 0%, #2d211b 100%); color: rgba(255, 250, 243, .88); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(160px, .7fr)); gap: 36px; margin-bottom: 46px; }
.footer-brand { font-size: 1.7rem; font-weight: 900; letter-spacing: -.05em; margin-bottom: 14px; }
.footer-brand .care { background: linear-gradient(90deg, #55c7ef, #b89cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-brand .ai { color: #ff7db5; }
.footer-copy { color: rgba(255, 250, 243, .68); max-width: 360px; margin: 0 0 24px; }
.footer-col h3 { margin: 0 0 14px; color: var(--white); font-size: 1rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; color: rgba(255, 250, 243, .68); }
.footer-col a:hover { color: var(--white); }
.footer-note { display: flex; justify-content: space-between; gap: 18px; padding-top: 24px; border-top: 1px solid rgba(255, 250, 243, .12); color: rgba(255, 250, 243, .55); font-size: .9rem; }
.footer-cta { display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px; background: rgba(255, 138, 31, .18); color: var(--white); border: 1px solid rgba(255, 138, 31, .34); font-weight: 800; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .tech-grid, .value-grid, .sop-grid { grid-template-columns: 1fr; }
  .hero-section { min-height: auto; }
  .hero-visual { order: -1; max-width: 520px; margin-inline: auto; }
  .solution-cards { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr; text-align: center; }
  .workflow-product { max-width: 240px; margin-inline: auto; }
  .workflow-pills { justify-content: center; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .nav-shell { padding: 12px 16px; }
  .nav-cta { min-height: 42px; padding: 0 14px; font-size: .82rem; }
  .container { padding-inline: 18px; }
  .hero-grid { padding-block: 52px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-secondary { width: 100%; }
  .process-grid { grid-template-columns: 1fr; }
  .tech-section, .value-section, .solutions-section, .sop-section, .partners-section { padding-block: 64px; }
  .value-item { grid-template-columns: 34px 1fr; }
  .sop-row { grid-template-columns: 1fr; gap: 6px; }
  .venn { transform: scale(.86); min-height: 230px; }
  .venn-circle { width: 155px; height: 155px; margin-inline: -24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { flex-direction: column; }
}

/* Header refinements: image logo, language switch, hamburger menu */
.brand-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.brand-logo img {
  width: 142px;
  height: auto;
  object-fit: contain;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid rgba(201, 110, 0, .22);
  background: rgba(255, 255, 255, .7);
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(85, 52, 24, .06);
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  min-width: 38px;
  height: 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.lang-btn:hover { transform: translateY(-1px); }
.lang-btn.is-active {
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  color: var(--white);
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(201, 110, 0, .24);
  background: rgba(255, 255, 255, .76);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  border-top: 1px solid rgba(234, 219, 204, .7);
  background: rgba(255, 250, 243, .97);
  box-shadow: 0 22px 45px rgba(85, 52, 24, .12);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.mobile-menu nav a {
  display: block;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .64);
  color: var(--ink);
  font-weight: 800;
}
.mobile-menu nav a:hover { background: var(--orange-soft); color: var(--orange); }
.mobile-menu-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 24px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.footer-brand img {
  width: 150px;
  height: auto;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,.12));
}

/* Press section */
.press-section {
  background: linear-gradient(180deg, #fffdf9 0%, #f9f0e6 100%);
  padding: 92px 0 104px;
  border-top: 1px solid rgba(234, 219, 204, .65);
}
.press-heading {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 46px;
}
.press-heading .section-copy { margin-inline: auto; }
.press-years {
  display: grid;
  gap: 28px;
}
.press-year {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px;
  border: 1px solid rgba(234, 219, 204, .88);
  background: rgba(255, 255, 255, .66);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.press-year h3 {
  margin: 4px 0 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.04em;
}
.press-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 14px;
}
.press-logo-card {
  min-height: 96px;
  padding: 18px 16px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 16px;
  border: 1px solid rgba(234, 219, 204, .84);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 22px rgba(85, 52, 24, .06);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.press-logo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(85, 52, 24, .12);
  border-color: rgba(201, 110, 0, .35);
}
.press-logo-card img {
  max-width: 130px;
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.press-logo-card span {
  color: var(--soft-muted);
  font-size: .78rem;
  font-weight: 800;
  text-align: center;
  line-height: 1.25;
}
.press-logo-card:focus-visible,
.menu-toggle:focus-visible,
.lang-btn:focus-visible,
.nav-links a:focus-visible,
.mobile-menu a:focus-visible {
  outline: 3px solid rgba(201, 110, 0, .28);
  outline-offset: 3px;
}

@media (min-width: 981px) {
  .menu-toggle { display: none !important; }
}

@media (max-width: 1100px) {
  .nav-links { gap: 14px; font-size: .86rem; }
  .nav-cta { padding-inline: 16px; }
}

@media (max-width: 980px) {
  .site-header .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-actions > .language-switch { display: none; }
  .brand-logo img { width: 126px; }
}

@media (max-width: 760px) {
  .press-section { padding-block: 66px; }
  .press-year { grid-template-columns: 1fr; padding: 20px; }
  .press-logo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mobile-menu nav { grid-template-columns: 1fr; padding-inline: 18px; }
  .mobile-menu-footer { padding-inline: 18px; flex-direction: column; align-items: stretch; }
  .mobile-menu-footer .nav-cta { width: 100%; }
}

@media (max-width: 420px) {
  .press-logo-grid { grid-template-columns: 1fr; }
  .brand-logo img { width: 116px; }
  .header-actions .nav-cta { display: none; }
}


/* Partners & supporters section */
.partners-section {
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 224, 184, .58), transparent 28%),
    linear-gradient(180deg, #fffdf9 0%, #fbf3e8 100%);
  padding: 96px 0 104px;
  border-top: 1px solid rgba(234, 219, 204, .65);
}
.partners-heading {
  max-width: 900px;
  margin: 0 auto 46px;
  text-align: center;
}
.partners-heading .section-copy { margin-inline: auto; }
.partner-category {
  background: rgba(255, 255, 255, .68);
  border: 1px solid rgba(234, 219, 204, .78);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  padding: clamp(22px, 3vw, 34px);
  margin-top: 24px;
}
.partner-category h3 {
  margin: 0 0 22px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  letter-spacing: -.03em;
}
.partner-logo-grid,
.trial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(164px, 1fr));
  gap: 14px;
}
.partner-logo-card {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(234, 219, 204, .9);
  border-radius: 16px;
  padding: 18px 14px;
  box-shadow: 0 8px 20px rgba(85, 52, 24, .06);
  text-align: center;
}
.partner-logo-card img {
  max-width: 150px;
  width: 100%;
  height: 54px;
  object-fit: contain;
}
.partner-logo-card span {
  color: var(--soft-muted);
  font-size: .78rem;
  font-weight: 800;
  line-height: 1.25;
}
.partner-note {
  margin: -8px 0 20px;
  color: var(--muted);
  max-width: 880px;
}
.trial-site-list {
  columns: 2;
  column-gap: 28px;
  margin: 24px 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}
.trial-site-list li {
  break-inside: avoid;
  margin-bottom: 8px;
}
.partner-disclaimer {
  margin: 24px auto 0;
  max-width: 980px;
  color: var(--soft-muted);
  font-size: .92rem;
  text-align: center;
}
@media (max-width: 760px) {
  .partners-section { padding-block: 66px; }
  .trial-site-list { columns: 1; }
  .partner-logo-grid, .trial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .partner-logo-grid, .trial-grid { grid-template-columns: 1fr; }
}