/* =====================================================================
   FoodieLink Solutions — styles.css
   Design tokens per AI_MASTER_PROMPT.md. Mobile-first, three layout tiers:
   mobile (<700px) · tablet (700–1023px) · desktop (>=1024px)
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  --navy: #071A33;
  --navy-2: #0B2745;
  --navy-3: #0F3B5C;
  --orange: #F45B0B;
  --orange-deep: #C84606;
  --teal: #27AAB5;
  --teal-deep: #147F89;
  --blue: #147BC1;
  --blue-deep: #0E5F97;
  --bg: #F3F5F7;
  --white: #FFFFFF;
  --text: #10223C;
  --muted: #5B6B7B;
  --line: #DBE3EA;
  --radius: 22px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px rgba(7, 26, 51, .12);
  --wrap-max: 1180px;
  --gutter: 20px;
  --font-en: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-zh: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-en);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}
[lang="zh-Hant"], [lang="zh"], .zh { font-family: var(--font-zh); }
a { color: inherit; text-decoration: none; }
img, svg, picture { max-width: 100%; display: block; }
picture img { width: 100%; height: auto; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
b, strong { font-weight: 700; }
.wrap { width: min(var(--wrap-max), calc(100% - var(--gutter) * 2)); margin-inline: auto; }

/* Focus — visible everywhere */
:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
.section-dark :focus-visible, .global-section :focus-visible, .site-footer :focus-visible { outline-color: #8fe3ea; }
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--navy); color: #fff; padding: 10px 14px; border-radius: 8px; font-weight: 600;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- Type ---------- */
.eyebrow, .section-kicker {
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; color: var(--teal);
  margin-bottom: 14px;
}
.section-kicker [lang] { text-transform: none; letter-spacing: .08em; margin-left: 10px; color: var(--muted); font-weight: 500; }
.section-dark .section-kicker [lang], .global-section .section-kicker [lang] { color: #9fb6c9; }
h1 { font-weight: 700; letter-spacing: -.035em; line-height: 1.02; }
h2 { font-size: clamp(30px, 4vw, 52px); font-weight: 700; letter-spacing: -.03em; line-height: 1.06; margin-bottom: 24px; }
h3 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.lead { font-size: 17px; color: var(--muted); max-width: 60ch; margin-bottom: 16px; }
.section-dark .lead, .global-section .lead { color: #c9d8e5; }
.section-head { margin-bottom: 36px; max-width: 760px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section { padding: 72px 0; }
.section-contrast { background: var(--bg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; transition: transform .2s var(--ease), background .2s, box-shadow .2s;
  min-height: 46px;
}
.btn:hover { transform: translateY(-1px); }
.btn-orange { background: var(--orange-deep); color: #fff; box-shadow: 0 10px 24px rgba(244, 91, 11, .25); }
.btn-orange:hover { background: var(--orange); }
.btn-ghost { border-color: rgba(255, 255, 255, .45); color: #fff; background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
/* .btn-ghost is designed for dark backgrounds (white border/text) and is nearly invisible
   on a light section background, so give it a light-appropriate variant scoped only to
   .section-contrast (the light-gray section background) rather than changing the base style. */
.section-contrast .btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.section-contrast .btn-ghost:hover { background: rgba(7, 26, 51, .06); }
.btn-lg { padding: 16px 28px; font-size: 16px; }

/* ---------- Status pills (factual status wording only) ---------- */
.status-pill {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 11px; border-radius: 999px; line-height: 1.2; border: 1px solid transparent; white-space: nowrap;
}
.status-verified { background: #E6F6F0; color: #0B6B45; border-color: #BFE7D4; }
.status-pilot { background: #FFF1E8; color: #A83B02; border-color: #F8CBB0; }
.status-pill.status-pilot { white-space: normal; text-align: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(7, 26, 51, .07);
}
@supports not (backdrop-filter: blur(1px)) { .site-header { background: #fff; } }
.site-header-inner {
  width: min(var(--wrap-max), calc(100% - var(--gutter) * 2)); margin-inline: auto;
  height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 56px; width: auto; max-width: 55vw; object-fit: contain; }
.site-nav { display: none; }
.site-nav a, .nav-group-toggle { color: var(--navy); font: inherit; font-weight: 500; font-size: 15px; }
.nav-group-toggle { background: none; border: 0; cursor: pointer; padding: 0; display: inline-flex; align-items: center; gap: 6px; }
.chev { width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-top: -3px; transition: transform .2s; }
.nav-group.is-open .chev, .nav-group-toggle[aria-expanded="true"] .chev { transform: rotate(-135deg); margin-top: 3px; }
.nav-cta { background: var(--orange); color: #fff !important; padding: 10px 18px; border-radius: 999px; font-weight: 600 !important; }
.site-nav a[aria-current="page"], .nav-group-toggle[aria-current="true"] { color: var(--teal-deep); }

/* Mobile menu toggle */
.menu-toggle {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: #fff;
  padding: 8px 12px; border-radius: 10px; font: inherit; font-weight: 600; color: var(--navy); cursor: pointer;
}
.menu-toggle-bars { width: 18px; height: 2px; background: currentColor; position: relative; }
.menu-toggle-bars::before, .menu-toggle-bars::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; }
.menu-toggle-bars::before { top: -6px; } .menu-toggle-bars::after { top: 6px; }

/* Dropdown */
.nav-group { position: relative; }
.nav-dropdown { display: none; }
.nav-group.is-open .nav-dropdown { display: block; }
.nav-dropdown a { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; }
.nav-dropdown a small { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.nav-dropdown a:hover, .nav-dropdown a:focus-visible { background: var(--bg); }
.nd-num { font-weight: 700; font-size: 13px; min-width: 24px; padding-top: 2px; }
.nd-teal { color: var(--teal); } .nd-orange { color: var(--orange); } .nd-blue { color: var(--blue); }

/* Mobile nav (default) */
.site-nav.open {
  display: flex; flex-direction: column; align-items: stretch; gap: 4px;
  position: absolute; left: 0; right: 0; top: 68px; background: #fff; padding: 12px var(--gutter) 20px;
  border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: calc(100vh - 68px); overflow-y: auto;
}
.site-nav.open > a, .site-nav.open .nav-group-toggle { padding: 12px 10px; width: 100%; justify-content: space-between; text-align: left; border-radius: 10px; }
.site-nav.open > a:hover { background: var(--bg); }
.site-nav.open .nav-dropdown { padding: 0 0 6px 8px; }
.site-nav.open .nav-cta { margin-top: 8px; justify-content: center; display: inline-flex; }

/* ---------- Hero · 3A (dark navy, CSS/SVG network) ---------- */
.section-dark { background: var(--navy); color: #fff; }
.hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 64px 0 72px; }
.hero-3a { background: radial-gradient(ellipse at 80% 60%, #0F3B5C 0%, var(--navy) 55%); }
.net { position: absolute; inset: 0; pointer-events: none; }
.net-svg { width: 100%; height: 100%; display: block; }
.arc { stroke-dashoffset: 0; animation: arcflow 8s linear infinite; }
.arc-2 { animation-duration: 11s; }
.ring { transform-box: fill-box; transform-origin: center; animation: ring 3.2s ease-out infinite; opacity: 0; }
.r2 { animation-delay: 1.4s; }
.n3 { animation: blink 4s ease-in-out infinite; }
@keyframes arcflow { to { stroke-dashoffset: -110; } }
@keyframes ring { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(4.5); opacity: 0; } }
@keyframes blink { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.hero-3a-inner { position: relative; z-index: 1; }
.hero-copy { max-width: 760px; }
.hero .eyebrow { color: #8fe3ea; letter-spacing: .28em; }
.hero h1 { margin: 4px 0 18px; display: grid; gap: 14px; }
.h1-3a { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; }
.h1-3a img { height: clamp(62px, 13vw, 118px); width: auto; }
.h1-sys { font-size: clamp(28px, 6.4vw, 56px); font-weight: 700; letter-spacing: -.03em; line-height: 1; padding-bottom: 6px; text-transform: uppercase; }
.h1-verbs { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; font-size: clamp(22px, 4.4vw, 38px); font-weight: 700; letter-spacing: -.01em; line-height: 1.15; }
.h1-verbs .dot { color: #6F8AA3; font-weight: 400; }
.verb-teal { color: #3FC4CF; } .verb-orange { color: #FF7A38; } .verb-blue { color: #57B2F0; }
.h1-verbs-zh { font-size: clamp(15px, 2.4vw, 19px); font-weight: 500; color: #B7CADB; letter-spacing: .06em; }
.hero-tagline-main { font-size: clamp(17px, 2.2vw, 22px); font-weight: 600; color: #fff; margin-bottom: 14px; }
.hero-lead { font-size: clamp(16px, 1.8vw, 18px); color: #C9D8E5; max-width: 620px; margin-bottom: 8px; }
.hero-zh { font-size: 15px; color: #A9C0D6; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }

/* Machine stage — image kept at native aspect (16:9), never cropped */
.machine-stage { margin: 0; position: relative; border-radius: var(--radius); background: linear-gradient(145deg, #111B29, #060C12); padding: 14px; box-shadow: 0 30px 70px rgba(0, 0, 0, .4); }
.machine-stage picture img { border-radius: 14px; aspect-ratio: 16 / 9; object-fit: contain; background: #0A0E14; }
.machine-note { font-size: 12px; color: #91A8BF; }
.status-line { margin-bottom: 14px; }
.machine-section .machine-gallery { display: block; }
.machine-caption { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 4px 4px; }
.machine-label { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: #cfe3ea; }
.machine-label img { width: 34px; height: auto; flex: none; }
.machine-label b { color: #fff; }
.data-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 8px; margin-top: 12px; }
.data-chip {
  background: rgba(7, 26, 51, .7); border: 1px solid rgba(39, 170, 181, .35); border-radius: 10px;
  padding: 9px 10px; font-size: 12px; color: #A9C0D6; display: grid; gap: 2px;
}
.data-chip b { color: #fff; font-size: 12px; font-weight: 600; }

/* ---------- Metrics ---------- */
.metrics-bar { background: #fff; border-bottom: 1px solid var(--line); }
.metrics-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.metric { padding: 22px 14px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.metric:nth-child(2n) { border-right: 0; }
.metric strong { display: block; font-size: 28px; color: var(--navy); letter-spacing: -.02em; line-height: 1.1; }
.metric span { font-size: 12px; color: var(--muted); display: block; margin-top: 4px; line-height: 1.35; }
.metrics-note { font-size: 12px; color: var(--muted); padding: 10px 0 14px; }
.metrics-panel { background: var(--bg); }
.metrics-panel .metrics-grid { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }

/* ---------- Icons ---------- */
.ic { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic-s { width: 14px; height: 14px; stroke-width: 2.2; margin-right: 6px; vertical-align: -2px; }
.ic-xl { width: 64px; height: 64px; stroke-width: 1.4; }
.tone-orange { color: var(--orange); }

/* ---------- 3A system cards (VIS colour-block treatment) ---------- */
.theme-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.theme-card {
  position: relative; border-radius: var(--radius); color: #fff; padding: 26px 24px 24px;
  display: flex; flex-direction: column; gap: 14px; overflow: hidden; background: var(--accent);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.theme-teal { --accent: var(--teal); --accent-deep: var(--teal-deep); --accent-soft: rgba(255,255,255,.14); }
.theme-orange { --accent: var(--orange); --accent-deep: var(--orange-deep); --accent-soft: rgba(255,255,255,.14); }
.theme-blue { --accent: var(--blue); --accent-deep: var(--blue-deep); --accent-soft: rgba(255,255,255,.14); }
.theme-card::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: rgba(255,255,255,.07); pointer-events: none; }
.theme-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; position: relative; z-index: 1; }
.theme-number { font-size: 34px; font-weight: 700; line-height: 1; letter-spacing: -.03em; opacity: .9; }
.theme-card .status-pill { display: inline-flex; align-items: center; background: rgba(255,255,255,.95); border-color: transparent; }
.theme-card .status-verified { color: #0B6B45; }
.theme-card .status-pilot { color: #A83B02; }
.theme-card h3 { display: grid; gap: 2px; position: relative; z-index: 1; }
.theme-verb { font-size: 30px; font-weight: 700; letter-spacing: .02em; line-height: 1.05; }
.theme-name { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.theme-zh { font-size: 15px; font-weight: 500; opacity: .9; }
.theme-media { border-radius: 14px; overflow: hidden; background: rgba(6,14,22,.35); position: relative; z-index: 1; }
.theme-media picture img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #0A0E14; }
.theme-media-placeholder { display: none; aspect-ratio: 4 / 3; place-items: center; background: var(--accent-soft); color: rgba(255,255,255,.8); }
.theme-items { display: grid; grid-template-columns: 1fr; gap: 10px 12px; position: relative; z-index: 1; }
@media (min-width: 480px) { .theme-items { grid-template-columns: repeat(2, 1fr); } }
.theme-items li { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 500; line-height: 1.25; }
.theme-items .ic { width: 26px; height: 26px; padding: 4px; border-radius: 8px; background: var(--accent-soft); }
.theme-item-status { display: block; font-size: 10px; font-weight: 700; letter-spacing: .06em; opacity: .85; margin-top: 1px; }
.theme-value { margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.28); display: grid; gap: 2px; position: relative; z-index: 1; }
.theme-value strong { font-size: 16px; }
.theme-value span { font-size: 14px; opacity: .9; }
.theme-link { font-weight: 700; color: #fff; position: relative; z-index: 1; }
.theme-link:hover { text-decoration: underline; }

/* ---------- AI meets real operations ---------- */
.split { display: grid; gap: 40px; align-items: center; }
.ops-diagram {
  border-radius: var(--radius); background: var(--navy); color: #fff; padding: 28px;
  display: grid; gap: 12px; text-align: center; box-shadow: var(--shadow);
}
.ops-block { border-radius: 14px; padding: 18px 16px; border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .04); }
.ops-tag { display: block; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; margin-bottom: 4px; }
.ops-block strong { font-size: 16px; }
.ops-online .ops-tag { color: var(--teal); }
.ops-offline .ops-tag { color: #ff9a5c; }
.ops-result { background: linear-gradient(135deg, rgba(39, 170, 181, .25), rgba(244, 91, 11, .25)); border-color: rgba(255, 255, 255, .25); }
.ops-result .ops-tag { color: #fff; }
.ops-3a { height: 44px; width: auto; margin: 0 auto 8px; }
.ops-op { font-size: 26px; font-weight: 700; color: #8fe3ea; line-height: 1; }

/* ---------- Machine feature section ---------- */
.machine-grid { display: grid; gap: 36px; align-items: center; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 26px; }
.feature-tags li { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; display: grid; gap: 1px; background: #fff; }
.feature-tags span { font-size: 13px; font-weight: 600; color: var(--navy); }
.feature-tags small { font-size: 11px; color: var(--muted); }
.machine-gallery { display: grid; grid-template-columns: 1fr; gap: 14px; }
.machine-gallery figure { margin: 0; border-radius: 18px; overflow: hidden; background: #0A0E14; border: 1px solid var(--line); }
.machine-gallery picture img { width: 100%; height: auto; }
.machine-gallery figcaption { padding: 12px 14px; font-weight: 600; font-size: 14px; color: var(--navy); background: #fff; }

/* ---------- Global ---------- */
.global-section { background: linear-gradient(135deg, #041226, #0B2C4E); color: #fff; overflow: hidden; }
.global-grid { display: grid; gap: 36px; align-items: center; }
.purpose-card { border-radius: var(--radius); border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04); padding: 32px 28px; display: grid; gap: 12px; }
.purpose-3a { height: 56px; width: auto; }
.purpose { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.purpose-zh { font-size: 16px; color: #C9D8E5; }
.purpose-verbs { font-size: 14px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #8FA6BB; }

/* ---------- Proof ---------- */
.proof-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.proof-card { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; border-top: 4px solid var(--accent, var(--line)); }
.proof-card h3 { margin: 12px 0 8px; font-size: 19px; }
.proof-card p { color: var(--muted); font-size: 15px; }
.proof-teal { --accent: var(--teal); } .proof-orange { --accent: var(--orange); } .proof-blue { --accent: var(--blue); }

/* ---------- CTA ---------- */
.cta-section { background: linear-gradient(90deg, var(--teal-deep), #1483B7 50%, var(--orange-deep)); color: #fff; }
.cta-section .section-kicker { color: #dff7fa; }
.cta-inner { display: flex; flex-direction: column; gap: 24px; align-items: flex-start; }
.cta-inner h2 { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer { background: #06172D; color: #CBD8E4; padding: 52px 0 28px; }
.site-footer-inner { width: min(var(--wrap-max), calc(100% - var(--gutter) * 2)); margin-inline: auto; display: grid; gap: 28px; }
.footer-brand img { height: 44px; width: auto; margin-bottom: 14px; }
.footer-brand .footer-logo { height: 74px; max-width: min(260px, 100%); object-fit: contain; object-position: left center; }
.footer-brand p { margin: 0; font-size: 14px; }
.footer-tagline { color: #8FA6BB; font-size: 13px !important; margin-top: 8px !important; }
.footer-3a { display: flex; align-items: center; gap: 12px; font-size: 13px; line-height: 1.5; }
.footer-3a img { height: 34px; width: auto; }
.footer-verbs { color: #fff; font-weight: 600; }
.footer-purpose { color: #CBD8E4; font-size: 13px !important; margin-top: 10px !important; }
.footer-contact { color: #CBD8E4; font-size: 13px !important; margin-top: 10px !important; line-height: 1.6; }
.footer-contact a { color: #fff; }
.footer-contact a:hover { text-decoration: underline; }
.footer-links { display: grid; gap: 8px; font-size: 14px; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 12px; color: #8298AD; }

/* ---------- Inner pages (existing classes kept working) ---------- */
.subhero { padding: 64px 0 48px; background: var(--bg); }
.subhero.section-dark { background: var(--navy); color: #fff; }
.subhero h1 { font-size: clamp(34px, 7vw, 76px); margin: 12px 0; overflow-wrap: anywhere; }
.subhero p { font-size: 17px; max-width: 720px; color: var(--muted); }
.subhero.section-dark p { color: #d8e3ee; }
.subhero .hero-zh { font-family: var(--font-zh); color: var(--muted); }
.about-hero { position: relative; overflow: hidden; padding: 84px 0 92px; }
.about-hero-inner { position: relative; z-index: 1; max-width: 920px; }
.about-hero h1 { font-size: clamp(40px, 7vw, 78px); margin: 14px 0 22px; }
.about-hero h1 span { color: #8FE3EA; }
.about-hero p:not(.eyebrow) { max-width: 670px; color: #C9D8E5; font-size: clamp(17px, 2vw, 20px); }
.about-hero .about-hero-zh { margin-top: 10px; color: #A9C0D6; font-size: 14px; }
.about-intro-grid, .about-operations-grid { display: grid; gap: 28px; }
.about-intro-grid .section-head { margin-bottom: 0; }
.about-intro-copy > p:not(.lead), .about-body-copy { color: var(--muted); }
.about-benchmark { margin-top: 18px; padding: 16px 18px; border-left: 3px solid var(--teal); background: #fff; color: #34475F; font-size: 13px; line-height: 1.65; }
.about-built-from { margin-top: 18px; color: var(--navy); font-size: 14px; font-weight: 700; }
.about-operations-list { display: grid; gap: 7px; margin-top: 18px; }
.about-operations-list li { position: relative; padding-left: 16px; color: var(--muted); font-size: 14px; }
.about-operations-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.about-challenge-grid { display: grid; gap: 12px; margin-top: 36px; }
.about-challenge { display: flex; align-items: flex-start; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.about-challenge > .ic { color: var(--teal-deep); margin-top: 2px; }
.about-challenge h3 { font-size: 16px; margin-bottom: 4px; }
.about-challenge p { color: var(--muted); font-size: 13px; line-height: 1.5; }
.about-photo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.about-photo-grid figure { position: relative; overflow: hidden; margin: 0; border-radius: 16px; background: var(--navy); box-shadow: 0 18px 36px rgba(7,26,51,.14); }
.about-photo-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about-photo-grid figcaption { position: absolute; left: 10px; bottom: 10px; padding: 5px 9px; border-radius: 6px; background: rgba(255,255,255,.9); color: var(--navy); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.about-proof-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 40px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #fff; }
.about-proof { padding: 20px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-proof:nth-child(2n) { border-right: 0; }
.about-proof strong { display: block; color: var(--navy); font-size: clamp(27px, 4vw, 38px); line-height: 1; letter-spacing: -.03em; }
.about-proof span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.about-proof:last-child { grid-column: 1 / -1; border-bottom: 0; border-right: 0; }
.about-benchmark-panel { display: grid; gap: 18px; margin-top: 28px; padding: 24px; border: 1px solid var(--line); border-left: 5px solid var(--teal); border-radius: 16px; background: var(--navy); color: #fff; }
.about-benchmark-panel .section-kicker { color: #8FE3EA; }
.about-benchmark-panel h3 { max-width: 22ch; font-size: clamp(22px, 3vw, 30px); }
.about-benchmark-panel p:not(.section-kicker) { color: #C9D8E5; font-size: 14px; }
.about-benchmark-panel [lang] { margin-top: 8px; }
.about-benchmark-panel .about-benchmark-note { margin-top: 12px; color: #9FB6C9; font-size: 12px; }
.about-text-link { display: inline-flex; margin-top: 18px; color: #8FE3EA; font-size: 14px; font-weight: 700; }
.about-intelligence-section { overflow: hidden; }
.about-subkicker { margin: -4px 0 14px; color: var(--blue-deep); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.about-intelligence-path { display: grid; gap: 10px; }
.about-intelligence-step { position: relative; display: grid; gap: 4px; padding: 18px 18px 18px 62px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.about-intelligence-step:not(:last-child)::after { content: "↓"; position: absolute; left: 27px; bottom: -18px; z-index: 2; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--white); color: var(--teal-deep); font-size: 12px; font-weight: 700; }
.about-step-number { position: absolute; left: 16px; top: 17px; color: var(--teal-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.about-intelligence-step strong { color: var(--navy); font-size: 15px; }
.about-intelligence-step small { color: var(--muted); font-size: 12px; }
.about-intelligence-step.is-outcome { border-color: var(--navy); background: var(--navy); }
.about-intelligence-step.is-outcome .about-step-number { color: #8FE3EA; }
.about-intelligence-step.is-outcome strong { color: #fff; }
.about-intelligence-step.is-outcome small { color: #B7CADB; }
.about-system-grid { display: grid; gap: 16px; }
.about-system-card { --card-accent: var(--teal); display: flex; flex-direction: column; min-height: 310px; padding: 24px; border: 1px solid var(--line); border-top: 5px solid var(--card-accent); border-radius: 18px; background: #fff; }
.about-system-card.is-orange { --card-accent: var(--orange); }
.about-system-card.is-blue { --card-accent: var(--blue); }
.about-system-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.about-system-top > span:first-child { color: var(--card-accent); font-size: 30px; font-weight: 700; line-height: 1; }
.about-system-verb { margin-top: 28px; color: var(--card-accent); font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.about-system-card h3 { margin-top: 4px; font-size: 25px; }
.about-system-value { display: grid; gap: 10px; margin-top: 14px; color: var(--muted); font-size: 14px; }
.about-system-value strong { color: var(--navy); font-size: 15px; }
.about-system-card > a { margin-top: auto; padding-top: 24px; color: var(--navy); font-size: 14px; font-weight: 700; }
.about-system-top .status-pill { display: inline-flex; align-items: center; }
.about-automate-strip { display: grid; gap: 18px; margin-top: 18px; padding: 22px; border: 1px solid rgba(244,91,11,.35); border-radius: 16px; background: #FFF8F3; }
.about-automate-strip > div { display: grid; gap: 5px; }
.about-automate-strip p { color: var(--orange-deep); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.about-automate-strip strong { color: var(--navy); font-size: 16px; }
.about-automate-strip span { color: var(--muted); font-size: 13px; }
.about-automate-strip > a { align-self: center; color: var(--navy); font-size: 13px; font-weight: 700; }
.about-bridge-section { background: var(--navy); color: #fff; }
.about-bridge-section .section-kicker { color: #8FE3EA; }
.about-bridge-section .lead { color: #C9D8E5; }
.about-bridge-copy { max-width: 760px; }
.about-bridge-map { display: grid; gap: 12px; margin-top: 42px; }
.about-region, .about-bridge-core { display: grid; gap: 7px; padding: 24px; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.04); }
.about-region span { color: #8FE3EA; font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.about-region strong, .about-bridge-core strong { font-size: 20px; }
.about-region small, .about-bridge-core small { color: #A9C0D6; font-size: 12px; line-height: 1.6; }
.about-bridge-core { border-color: rgba(244,91,11,.65); background: rgba(244,91,11,.08); }
.about-bridge-core img { width: auto; height: 44px; margin-bottom: 8px; }
.about-principles-grid { display: grid; gap: 14px; }
.about-principle { padding: 22px; border-bottom: 1px solid var(--line); }
.about-principle-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; color: var(--teal-deep); }
.about-principle-top span { font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.about-principle h3 { font-size: 19px; }
.about-principle p { margin-top: 9px; color: var(--muted); font-size: 14px; }
.about-cta-lead { max-width: 58ch; margin-top: 12px; color: #E7F3F5; font-size: 14px; }
.theme-teal-bg { background: linear-gradient(135deg, rgba(39, 170, 181, .12), #fff); }
.theme-orange-bg { background: linear-gradient(135deg, rgba(244, 91, 11, .12), #fff); }
.theme-blue-bg { background: linear-gradient(135deg, rgba(20, 123, 193, .12), #fff); }
.theme-teal-bg .eyebrow { color: var(--teal-deep); }
.theme-orange-bg .eyebrow { color: var(--orange-deep); }
.theme-blue-bg .eyebrow { color: var(--blue-deep); }
.pilot-badge { display: inline-block; padding: 9px 13px; border-radius: 10px; border: 1px solid rgba(244, 91, 11, .35); background: rgba(244, 91, 11, .08); color: #A83B02; font-weight: 700; margin: 10px 0 24px; font-size: 14px; }
.feature-grid, .case-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.feature-grid article, .case-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.feature-grid p, .case-grid p { color: var(--muted); font-size: 15px; margin-top: 6px; }
.case-grid article span { font-size: 11px; letter-spacing: .18em; color: var(--teal-deep); font-weight: 700; }
.legal-note { margin-top: 28px; color: var(--muted); font-size: 13px; }
.prose { max-width: 820px; } .prose h2 { font-size: 30px; margin: 32px 0 12px; } .prose p { font-size: 17px; color: var(--muted); margin-bottom: 14px; }
.machine-detail { display: grid; gap: 36px; align-items: center; }
.machine-detail > img { border-radius: 22px; box-shadow: var(--shadow); width: 100%; height: auto; }
.section-copy > .btn { margin-top: 4px; }
.contact-grid { display: grid; gap: 36px; }
.contact-address { font-style: normal; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); line-height: 1.7; }
.contact-address a { color: var(--navy); font-weight: 600; }
.contact-form { display: grid; grid-template-columns: 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.contact-form button { justify-self: start; }
.hp { position: absolute !important; left: -9999px !important; }

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .arc, .ring, .n3 { animation: none; } .ring { opacity: 0; }
  .btn, .theme-card { transition: none; }
}

/* =====================================================================
   TABLET  (700–1023px) — 2-column tier
   ===================================================================== */
@media (min-width: 700px) {
  :root { --gutter: 28px; }
  .section { padding: 88px 0; }
  .hero { padding: 88px 0; }
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .metric { padding: 26px 18px; border-bottom: 0; }
  .metric:nth-child(2n) { border-right: 1px solid var(--line); }
  .metric:nth-child(3n) { border-right: 0; }
  .metric:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .theme-card:last-child { grid-column: 1 / -1; }
  .theme-card:last-child .theme-items { grid-template-columns: repeat(3, 1fr); }
  .machine-gallery { grid-template-columns: 1fr 1fr; }
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form label:has(textarea), .contact-form button { grid-column: 1 / -1; }
  .cta-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .site-footer-inner { grid-template-columns: 1.4fr 1fr; }
  .footer-bottom { grid-column: 1 / -1; }
  .ops-diagram { grid-template-columns: 1fr auto 1fr; align-items: center; padding: 32px; }
  .ops-result { grid-column: 1 / -1; }
  .ops-diagram .ops-op:last-of-type { display: none; }
  .subhero { padding: 88px 0 64px; }
  .about-hero { padding: 112px 0 120px; }
  .about-challenge-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-proof-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .about-proof:nth-child(2n) { border-right: 1px solid var(--line); }
  .about-proof:nth-child(4n) { border-right: 0; }
  .about-proof:last-child { grid-column: 1 / -1; }
  .about-system-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-system-card:last-child { grid-column: 1 / -1; }
  .about-principles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-benchmark-panel { grid-template-columns: .8fr 1.2fr; gap: 32px; padding: 30px; }
  .about-automate-strip { grid-template-columns: 1fr auto; align-items: center; padding: 24px 28px; }
}

/* =====================================================================
   DESKTOP  (>=1024px) — 3-column tier
   ===================================================================== */
@media (min-width: 1024px) {
  :root { --gutter: 32px; }
  .section { padding: 104px 0; }
  .site-header-inner { height: 78px; }
  .brand-logo { height: 62px; }
  .menu-toggle { display: none; }
  .site-nav { display: flex; align-items: center; gap: 28px; }
  .nav-dropdown {
    position: absolute; top: calc(100% + 14px); left: -16px; min-width: 300px; padding: 10px;
    background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
  }
  .nav-group::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 16px; } /* hover bridge */
  .nav-group:hover .nav-dropdown, .nav-group:focus-within .nav-dropdown, .nav-group.is-open .nav-dropdown { display: block; }
  .hero { padding: 120px 0 128px; min-height: 700px; display: flex; align-items: center; }
  .hero-copy { max-width: 820px; }
  .metrics-grid { grid-template-columns: repeat(6, 1fr); }
  .metric { border-bottom: 0 !important; border-right: 1px solid var(--line) !important; }
  .metric:last-child { border-right: 0 !important; }
  .theme-grid { grid-template-columns: repeat(3, 1fr); }
  .theme-card:last-child { grid-column: auto; }
  .theme-card:last-child .theme-items { grid-template-columns: repeat(2, 1fr); }
  .theme-card { padding: 30px 28px 28px; }
  .theme-media-placeholder { display: grid; }
  .theme-media-video { display: block; }
  .split { grid-template-columns: 1fr 1fr; gap: 64px; }
  .ops-diagram { grid-template-columns: 1fr auto 1fr auto 1fr; padding: 36px; }
  .ops-result { grid-column: auto; }
  .ops-diagram .ops-op:last-of-type { display: block; }
  .machine-grid { grid-template-columns: .9fr 1.1fr; gap: 56px; }
  .global-grid { grid-template-columns: .95fr 1.05fr; gap: 56px; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .machine-detail { grid-template-columns: 1fr .9fr; gap: 56px; }
  .contact-grid { grid-template-columns: .7fr 1.3fr; gap: 60px; }
  .site-footer-inner { grid-template-columns: 1.6fr 1fr; }
  .subhero { padding: 110px 0 80px; }
  .about-hero { min-height: 620px; display: flex; align-items: center; padding: 128px 0 140px; }
  .about-intro-grid { grid-template-columns: .9fr 1.1fr; gap: 80px; }
  .about-operations-grid { grid-template-columns: .82fr 1.18fr; gap: 58px; align-items: center; }
  .about-challenge-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .about-proof-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .about-proof, .about-proof:nth-child(2n), .about-proof:nth-child(4n) { border-right: 1px solid var(--line); border-bottom: 0; }
  .about-proof:last-child { grid-column: auto; border-right: 0; }
  .about-intelligence-path { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
  .about-intelligence-step { min-height: 156px; padding: 54px 18px 18px; }
  .about-intelligence-step:not(:last-child)::after { content: "→"; left: auto; right: -18px; top: 68px; bottom: auto; }
  .about-step-number { left: 18px; top: 18px; }
  .about-system-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .about-system-card:last-child { grid-column: auto; }
  .about-bridge-map { grid-template-columns: 1fr .9fr 1fr; align-items: stretch; }
  .about-region, .about-bridge-core { min-height: 220px; align-content: center; }
  .about-principles-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Wide screens */
@media (min-width: 1440px) {
  .h1-3a img { height: 128px; }
}

/* =====================================================================
   SOLUTION DETAIL FRAMEWORK — shared by 01 Assure / 02 Automate / 03 Accelerate
   Established in P2 (Assure / Teal). Reuse via .solution-hero-{teal|orange|blue}.
   ===================================================================== */

/* ---- Solution hero (dark, system-colored network) ---- */
.solution-hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 64px 0 56px; }
.solution-hero-teal   { --accent: var(--teal);   --accent-deep: var(--teal-deep); }
.solution-hero-orange { --accent: var(--orange); --accent-deep: var(--orange-deep); }
.solution-hero-blue   { --accent: var(--blue);   --accent-deep: var(--blue-deep); }
.solution-hero .eyebrow { color: var(--accent); }
.solution-hero .status-pill { position: relative; z-index: 1; }
.solution-hero-inner { position: relative; z-index: 1; max-width: 760px; }
.solution-hero h1 { font-size: clamp(34px, 6vw, 60px); margin: 14px 0 10px; }
.solution-hero .hero-zh { font-size: 16px; color: #A9C0D6; margin-bottom: 10px; }
.solution-hero .solution-value { font-size: clamp(17px, 2vw, 20px); font-weight: 600; color: #fff; margin-bottom: 6px; }
.solution-hero .solution-value span { font-weight: 500; color: #A9C0D6; margin-left: 4px; }
.solution-hero .lead { color: #C9D8E5; margin: 14px 0 6px; }
.solution-hero .hero-jump { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--accent); border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.solution-hero .hero-jump:hover { color: #fff; }
.solution-hero .net .arc { opacity: .8; }

/* ---- Section 2: Source to Shelf flow ---- */
.flow { display: flex; flex-direction: column; gap: 0; margin-top: 8px; }
.flow-step { position: relative; display: flex; flex-direction: column; align-items: flex-start; padding: 14px 0 14px 34px; border-left: 2px solid var(--line); }
.flow-step:first-child { border-left-color: transparent; }
.flow-step::before { content: ""; position: absolute; left: -7px; top: 16px; width: 12px; height: 12px; border-radius: 50%; background: var(--flow-accent, var(--teal)); box-shadow: 0 0 0 4px #fff; }
.flow-step b { font-size: 17px; font-weight: 700; color: var(--navy); overflow-wrap: break-word; }
.flow-step .flow-zh { font-size: 13px; color: var(--muted); margin-top: 1px; }
.flow-tag { display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--flow-accent, var(--teal)); background: var(--flow-tag-bg, rgba(39, 170, 181, .1)); border-radius: 999px; padding: 4px 10px; }
.flow-teal   { --flow-accent: var(--teal);   --flow-tag-bg: rgba(39, 170, 181, .1); }
.flow-orange { --flow-accent: var(--orange); --flow-tag-bg: rgba(244, 91, 11, .1); }
.flow-blue   { --flow-accent: var(--blue);   --flow-tag-bg: rgba(20, 123, 193, .1); }

/* ---- Section 3: Capability cards ---- */
.capability-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.capability-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; display: flex; flex-direction: column; gap: 12px; }
.capability-top { display: flex; align-items: center; gap: 12px; }
.capability-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--cap-soft, rgba(39,170,181,.12)); display: grid; place-items: center; flex: none; }
.capability-icon .ic { width: 24px; height: 24px; color: var(--cap-accent, var(--teal-deep)); }
.capability-number { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .05em; }
.capability-card h3 { font-size: 19px; }
.capability-card .capability-zh { font-size: 13px; font-weight: 600; color: var(--cap-accent, var(--teal-deep)); margin-top: -8px; }
.capability-card p { font-size: 16px; color: var(--muted); }
.capability-points { display: grid; gap: 7px; }
.capability-points li { font-size: 16px; color: #34475F; padding-left: 16px; position: relative; }
.capability-points li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--cap-accent, var(--teal-deep)); }
.capability-visual { margin-top: 2px; border: 1px solid var(--line); border-radius: 12px; padding: 10px 10px 12px; background: #fff; }
.capability-visual svg { display: block; width: 100%; height: auto; }
.capability-visual-tags { display: flex; gap: 8px; margin-top: 8px; }
.capability-visual-tags li { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--cap-accent, var(--teal-deep)); background: var(--cap-soft, rgba(39,170,181,.12)); border-radius: 999px; padding: 4px 10px; }
.capability-teal   { --cap-accent: var(--teal-deep);   --cap-soft: rgba(39, 170, 181, .12); }
.capability-orange { --cap-accent: var(--orange-deep); --cap-soft: rgba(244, 91, 11, .12); }
.capability-blue    { --cap-accent: var(--blue-deep);  --cap-soft: rgba(20, 123, 193, .12); }

/* ---- Section 5: Intelligence layer ---- */
.intel-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 8px; }
.intel-item { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: #fff; }
.intel-item .ic { width: 22px; height: 22px; color: var(--teal-deep); flex: none; }
.intel-item b { display: block; font-size: 16px; font-weight: 600; color: var(--navy); }
.intel-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); margin-top: 2px; }
.intel-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.intel-item.is-operational .intel-status { color: var(--teal-deep); }
.intel-item.is-verified-data .intel-status { color: var(--blue-deep); }
.intel-item.is-in-development .intel-status { color: var(--muted); }
.intel-item.is-in-development .intel-status::before { background: transparent; border: 1.5px solid currentColor; }
.intel-legend { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---- Section 8: two-button CTA row ---- */
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---- 4-item proof-metrics grid (e.g. Assure's 55 / 13 / -18°C / Richmond) ----
   Declared after the homepage's generic .metrics-grid tier rules, so at equal
   (single-class) specificity this wins by source order — no !important needed.
   Prevents a 4-item grid from leaving a lone orphaned item on its own row. */
@media (min-width: 700px) {
  .metrics-grid.metrics-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid.metrics-grid-4 .metric:nth-child(2n) { border-right: 0; }
  .metrics-grid.metrics-grid-4 .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (min-width: 1024px) {
  .metrics-grid.metrics-grid-4 { grid-template-columns: repeat(4, 1fr); }
  .metrics-grid.metrics-grid-4 .metric:nth-child(-n+2) { border-bottom: 0; }
  .metrics-grid.metrics-grid-4 .metric:nth-child(2n) { border-right: 1px solid var(--line); }
  .metrics-grid.metrics-grid-4 .metric:last-child { border-right: 0; }
}

@media (min-width: 700px) {
  .flow { flex-direction: row; align-items: flex-start; gap: 0; }
  .flow-step { flex: 1; min-width: 0; padding: 0 16px 0 0; border-left: none; border-top: 2px solid var(--line); align-items: flex-start; }
  .flow-step:first-child { border-top-color: transparent; }
  .flow-step::before { left: 0; top: -7px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .intel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .capability-grid { grid-template-columns: repeat(4, 1fr); }
  .intel-grid { grid-template-columns: repeat(3, 1fr); }
  .solution-hero { padding: 96px 0 84px; }
}

/* =====================================================================
   P3-SPECIFIC ADDITIONS (Automate) — extends the shared Solution Detail
   Framework above. Reusable by future pages via the same {teal|orange|blue}
   modifier pattern already used by .solution-hero-*, .flow-*, .capability-*.
   ===================================================================== */

/* ---- Split hero (text + restrained machine visual) — used only where the
   product itself should be visible in the hero, per P3's brief. ---- */
.solution-hero-split { display: grid; gap: 32px; align-items: center; }
.solution-hero-media { position: relative; z-index: 1; }
.solution-hero-media .machine-stage { padding: 10px; }
.solution-hero-media .machine-caption { padding: 10px 2px 0; }
@media (min-width: 1024px) {
  .solution-hero-split { grid-template-columns: 1.05fr .95fr; gap: 48px; }
}

/* ---- Section 2: How It Works — converging architecture diagram ---- */
.arch-diagram { display: flex; flex-direction: column; align-items: center; gap: 0; margin-top: 8px; }
.arch-inputs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; width: 100%; max-width: 560px; }
.arch-input { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #fff; }
.arch-input .ic { width: 20px; height: 20px; color: var(--orange-deep); flex: none; }
.arch-input span { font-size: 14px; font-weight: 600; color: var(--navy); }
.arch-connector { width: 2px; height: 28px; background: var(--line); margin: 4px 0; position: relative; }
.arch-connector::after { content: ""; position: absolute; left: 50%; bottom: -1px; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); transform: translateX(-50%); }
.arch-system { border: 2px solid var(--orange); border-radius: 14px; padding: 14px 24px; background: rgba(244, 91, 11, .06); font-size: 17px; font-weight: 700; color: var(--navy); text-align: center; }
.arch-outcome { font-size: 15px; font-weight: 600; color: var(--navy); text-align: center; margin-top: 4px; }
.arch-outcome-sub { font-size: 12px; color: var(--muted); text-align: center; }
@media (min-width: 700px) {
  .arch-inputs { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Section 3: Flagship machine ---- */
.machine-flagship { margin-top: 8px; }
.machine-flagship .machine-stage { max-width: 760px; margin-inline: auto; padding: 18px; }
.machine-flagship .machine-stage-video {
  max-width: min(420px, 88vw);
  padding: 12px;
  margin-inline: auto;
}
.machine-flagship-eyebrow { display: block; text-align: center; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-deep); margin-bottom: 12px; }
.machine-flagship-caption { max-width: 640px; margin: 18px auto 0; text-align: center; font-size: 14px; color: var(--muted); line-height: 1.7; }
.machine-flagship-caption .zh { display: block; margin-top: 8px; font-size: 13px; }

/* ---- Section 4: capability step-chain visual (replaces Assure's dot-grid+tags
   for Automate — same .capability-visual wrapper, automation-specific content) ---- */
.capability-chain { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 6px 2px; }
.capability-chain-step { font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--cap-accent, var(--orange-deep)); background: var(--cap-soft, rgba(244,91,11,.12)); border-radius: 999px; padding: 5px 10px; white-space: nowrap; }
.capability-chain-arrow { color: var(--line); font-size: 13px; }

/* ---- Per-item status dots for Automate's own 3-term vocabulary (distinct
   from Assure's Operational/Verified Data/In Development set) ---- */
.capability-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; margin-top: -4px; }
.capability-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.capability-status.is-prototype { color: var(--orange-deep); }
.capability-status.is-development { color: var(--muted); }
.capability-status.is-development::before { background: transparent; border: 1.5px solid currentColor; }
.capability-status.is-pilot { color: var(--orange-deep); }
.capability-status.is-pilot::before { background: transparent; border: 1.5px solid currentColor; }
.intel-item.is-prototype .intel-status { color: var(--orange-deep); }
.intel-item.is-development .intel-status { color: var(--muted); }
.intel-item.is-development .intel-status::before { background: transparent; border: 1.5px solid currentColor; }
.intel-item.is-pilot .intel-status { color: var(--orange-deep); }
.intel-item.is-pilot .intel-status::before { background: transparent; border: 1.5px solid currentColor; }
.intel-item.is-prototype .ic, .intel-item.is-development .ic, .intel-item.is-pilot .ic { color: var(--orange-deep); }

/* ---- Section 6: Prototype & Pilot Status ---- */
.status-statement { border: 2px solid var(--orange); border-radius: var(--radius); padding: 28px; background: rgba(244, 91, 11, .05); }
.status-statement-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange-deep); margin-bottom: 12px; }
.status-today-list { display: grid; gap: 10px; }
.status-today-list li { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; color: var(--navy); }
.status-today-list .ic { width: 20px; height: 20px; color: var(--orange-deep); flex: none; }
.status-next { margin-top: 22px; }
.status-next-label { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.next-list { display: grid; gap: 8px; }
.next-list li { font-size: 15px; color: var(--muted); padding-left: 16px; position: relative; }
.next-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; border: 1.5px solid var(--muted); }
@media (min-width: 700px) {
  .status-statement { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
  .status-next { margin-top: 0; }
}

/* =====================================================================
   P4-SPECIFIC ADDITIONS (Accelerate) — extends the shared Solution Detail
   Framework. Reuses .flow-blue (P2) for the Live Demo chain rather than
   inventing a parallel component.
   ===================================================================== */

/* ---- Hero: restrained clarifier line under the page-level status pill ---- */
.status-clarifier { font-size: 13px; color: #A9C0D6; margin: 10px 0 0; }

/* ---- Section 2: Brand-to-Market Growth Loop ---- */
.loop-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 8px; }
.loop-step { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #fff; }
.loop-step-num { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; flex: none; }
.loop-step b { font-size: 15px; font-weight: 700; color: var(--navy); }
.loop-step.is-endpoint { border-color: var(--blue); border-width: 2px; background: rgba(20, 123, 193, .05); }
.loop-cycle-tag { text-align: center; margin-top: 14px; }
.loop-cycle-tag span { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-deep); background: rgba(20, 123, 193, .1); border-radius: 999px; padding: 7px 16px; }
.loop-cycle-tag svg { width: 16px; height: 16px; flex: none; }
@media (min-width: 700px) {
  .loop-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
}

/* ---- Section 3: capability status — Accelerate's own vocabulary
   (verified = filled green, matches the global .status-verified convention;
   verified-experience = filled blue, page accent, scoped differently from plain verified;
   expanding = hollow gray, the one visibly different status on the page) ---- */
.capability-status.is-verified { color: #0B6B45; }
.capability-status.is-verified-experience { color: var(--blue-deep); }
.capability-status.is-expanding { color: var(--muted); }
.capability-status.is-expanding::before { background: transparent; border: 1.5px solid currentColor; }

/* ---- Section 4: Live Demo big-stat + reuses .flow-blue for the chain ---- */
.demo-stat { display: flex; align-items: baseline; gap: 16px; margin: 4px 0 24px; }
.demo-stat strong { font-size: clamp(48px, 7vw, 72px); font-weight: 800; color: var(--blue-deep); line-height: 1; letter-spacing: -.02em; }
.demo-stat span { font-size: 15px; font-weight: 600; color: var(--muted); max-width: 16ch; }

/* =====================================================================
   P5-SPECIFIC ADDITIONS (Case Studies) — reuses .case-grid, .metrics-grid,
   .feature-grid from the shared framework; adds a reusable 3A system-tag
   token used across the featured case, the grid cards, and the mapping.
   ===================================================================== */

/* ---- Reusable 3A system tags ---- */
.system-tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }
.system-tag { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; color: #fff; }
.system-tag.assure { background: var(--teal-deep); }
.system-tag.automate { background: var(--orange-deep); }
.system-tag.accelerate { background: var(--blue-deep); }

/* ---- Section 3: Featured case ---- */
.featured-case { border: 2px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; }
.featured-case-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-deep); }
.featured-case h3 { font-size: clamp(26px, 4vw, 36px); margin: 6px 0 12px; }
.featured-case .lead { margin-bottom: 6px; }
.featured-case-built-from { font-size: 13px; font-weight: 600; color: var(--muted); margin: 4px 0 4px; }
.featured-case-role { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-top: 18px; }
.featured-case-execution { display: grid; gap: 7px; margin-top: 8px; }
.featured-case-execution li { font-size: 15px; color: #34475F; padding-left: 16px; position: relative; }
.featured-case-execution li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--teal-deep); }

/* Reserved-slot abstract visual tiles — no visible "photo pending" text, just a category label.
   Real, approved photography can replace the inline SVG inside a tile without touching layout. */
.evidence-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
.evidence-tile { position: relative; aspect-ratio: 4 / 3; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #F7F9FA; }
.evidence-tile svg { width: 100%; height: 100%; display: block; }
.evidence-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.evidence-tile span { position: absolute; left: 10px; bottom: 10px; font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--navy); background: rgba(255, 255, 255, .88); border-radius: 6px; padding: 4px 9px; }

/* ---- Section 4: category tags inside the reused .case-grid cards ---- */
.case-grid article .system-tags { margin-top: 10px; }

/* ---- Section 5: 3A System Mapping ---- */
.mapping-grid { display: grid; gap: 12px; margin-top: 8px; }
.mapping-row { display: flex; flex-direction: column; gap: 8px; border: 1px solid var(--line); border-left-width: 5px; border-radius: 14px; padding: 18px 20px; background: #fff; }
.mapping-row.assure { border-left-color: var(--teal); }
.mapping-row.automate { border-left-color: var(--orange); }
.mapping-row.accelerate { border-left-color: var(--blue); }
.mapping-row-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.mapping-row h3 { font-size: 17px; }
.mapping-row p { font-size: 14px; color: var(--muted); margin-top: 2px; }
.mapping-row a { font-size: 13px; font-weight: 700; color: var(--navy); align-self: flex-start; }
@media (min-width: 700px) {
  .evidence-tiles { grid-template-columns: repeat(4, 1fr); }
}


/* === Card 02 theme video frame === */
.theme-media-video {
  border-radius: 14px;
  overflow: hidden;
  background: #0A0E14;
  position: relative;
  z-index: 1;
}
.theme-media video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #0A0E14;
}


/* Theme card videos with optional unmute */
.theme-media-video { position: relative; }
.theme-media-video .theme-video-unmute {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font: 600 12px/1 Inter, system-ui, sans-serif;
  letter-spacing: .02em;
  color: #0b1b2b;
  background: rgba(255,255,255,.92);
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  cursor: pointer;
}
.theme-media-video .theme-video-unmute.is-on {
  background: #F45B0B;
  color: #fff;
}
.theme-media-video video { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: #0A0E14; }


/* === Brand refresh: new FoodieLink + 3A logos, hero globe video === */
.brand-logo {
  width: auto;
  height: 40px;
  max-width: 200px;
  object-fit: contain;
}
.h1-3a img {
  width: min(280px, 55vw);
  height: auto;
  max-height: 120px;
  object-fit: contain;
}
.ops-3a, .purpose-3a {
  width: min(220px, 50%);
  height: auto;
  object-fit: contain;
}

/* === HERO HD v2: intrinsic ratio — never stretch/squash === */
.hero-3a {
  position: relative;
  overflow: hidden;
  background: #071A33;
  padding: 0;
}
/* Video defines the section height via intrinsic aspect ratio */
.hero-3a .net.net-video {
  position: relative;
  z-index: 0;
  width: 100%;
  line-height: 0;
  pointer-events: none;
}
.hero-3a .hero-net-video {
  display: block;
  width: 100%;
  height: auto;          /* CRITICAL: keep source aspect ratio */
  max-height: none;
  object-fit: contain;   /* safety if UA forces a box */
  vertical-align: top;
}
/* Overlay copy sits on top of the video */
.hero-3a .hero-3a-inner.hero-layout {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 40px 0;
  pointer-events: none;
}
.hero-3a .hero-copy-panel {
  pointer-events: auto;
  width: min(400px, 34vw);
  margin-left: auto;
  margin-right: max(0px, calc((100% - var(--wrap, 1120px)) / 2));
  background: rgba(7, 26, 51, 0.9);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 26px 24px;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
@media (min-width: 900px) {
  .hero-3a .eyebrow,
  .hero-3a .h1-3a,
  .hero-3a .h1-verbs,
  .hero-3a .h1-verbs-zh,
  .hero-3a .hero-lead,
  .hero-3a .hero-zh { display: none !important; }
  .hero-3a #hero-title { margin: 0; }
  .hero-3a .hero-tagline-main { font-size: clamp(18px, 1.5vw, 22px); margin: 0 0 16px; }
  .hero-3a .hero-actions { margin-top: 6px; }
}
@media (max-width: 899px) {
  .hero-3a .hero-3a-inner.hero-layout {
    position: relative;
    inset: auto;
    justify-content: flex-start;
    background: #071A33;
    padding: 24px 0 32px;
  }
  .hero-3a .hero-copy-panel {
    width: 100%;
    margin: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .hero-3a .hero-net-video { opacity: 0.85; }
}

/* ---- AI F&B flagship video in machine stage ---- */
.machine-stage-video { line-height: 0; }
.machine-stage-video .machine-flagship-video {
  display: block;
  width: 100%;
  max-width: 396px;
  max-height: min(396px, 52vh);
  height: auto;
  margin-inline: auto;
  border-radius: 14px;
  background: #0A0E14;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

/* ---- AI F&B hero workstation video ---- */
.solution-hero-media .aifb-hero-video-stage { max-width: min(480px, 92vw); }
.solution-hero-media .aifb-hero-video {
  display: block; width: 100%; height: auto; border-radius: 14px;
  background: #0A0E14; aspect-ratio: 1 / 1; object-fit: contain;
  max-height: min(480px, 55vh);
}