/* ============================================================
   OVAI design system — light corporate template
   (layout template inspired by pthhouse.com)
   ============================================================ */
:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --card-soft: #fafbfc;
  --heading: #003366;
  --heading-2: #2f56a4;
  --text: #1b1e26;
  --muted: #5a6472;
  --line: #e3e7ee;
  --line-strong: #c9d2e0;
  --accent: #2f56a4;
  --accent-dark: #003366;
  --neon: #0aa8c9;
  --neon-glow: rgba(10, 168, 201, .35);
  --ok: #1f8a4c;
  --warn: #b45309;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: "AlibabaPuHuiTi", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Inter, Arial, sans-serif;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 14px rgba(16, 24, 40, .06);
  --shadow-hover: 0 2px 4px rgba(16, 24, 40, .06), 0 10px 26px rgba(16, 24, 40, .1);
  --container: 1240px;
  --pad: clamp(1.2rem, 3.2vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
section[id] { scroll-margin-top: 92px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(rgba(47, 86, 164, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 86, 164, .028) 1px, transparent 1px),
    var(--bg);
  background-size: 56px 56px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
::selection { color: #fff; background: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.fx-grid, .fx-scanline { display: none; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .8rem 1.2rem; color: #fff; background: var(--accent-dark); border-radius: var(--radius-sm); font-weight: 700; }
.skip-link:focus { top: 1rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 84px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
}
.site-header::after { content: ""; position: absolute; left: var(--pad); bottom: -1px; width: 9rem; height: 2px; background: linear-gradient(90deg, var(--neon), var(--accent)); box-shadow: 0 0 12px var(--neon-glow); }
.brand { display: inline-flex; align-items: center; width: max-content; }
.brand-logo { display: block; height: 62px; width: auto; }
.desktop-nav { display: flex; align-items: center; gap: 2.2rem; font-size: 1rem; }
.desktop-nav > a { color: var(--text); font-weight: 700; letter-spacing: .01em; transition: color .15s; }
.desktop-nav > a:hover { color: var(--neon); text-shadow: 0 0 14px var(--neon-glow); }
.site-header > .button { justify-self: end; }
.menu-toggle, .mobile-nav { display: none; }

/* ---------- buttons ---------- */
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .6rem;
  min-height: 48px;
  padding: 0 1.5rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform .15s, color .15s, background .15s, box-shadow .15s;
}
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.button-small { min-height: 42px; padding: 0 1.1rem; font-size: .92rem; }
.button-dark { color: var(--accent-dark); background: var(--card); }
.button-primary { color: var(--accent-dark); border-color: var(--accent-dark); background: var(--card); font-weight: 800; }
.button-primary:hover { color: #fff; background: var(--accent-dark); box-shadow: 0 0 22px var(--neon-glow); }
.button-secondary { color: var(--accent-dark); background: var(--card); }
.button-secondary:hover { color: #fff; background: var(--accent); border-color: var(--accent); }
.text-link { display: inline-flex; align-items: center; gap: .5rem; padding-bottom: .3rem; color: var(--accent); border-bottom: 2px solid currentColor; font-size: 1rem; font-weight: 700; }
.text-link:hover { color: var(--accent-dark); }
.text-link.light { color: var(--accent); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5.5rem) var(--pad) clamp(2.5rem, 4vw, 4rem);
}
.hero::before { display: none; }
@media (min-width: 1100px) { .hero h1 { white-space: nowrap; } }
.hero-copy { max-width: 680px; }
.system-status { display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.2rem; padding: .45rem .8rem; color: var(--accent-dark); border: 1px solid var(--line-strong); border-radius: 999px; background: var(--card); font-size: .85rem; font-weight: 700; }
.system-status span { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.system-status b { margin-left: .3rem; color: var(--muted); font-weight: 600; }
.eyebrow, .section-index { margin: 0 0 1rem; color: var(--accent); font-size: .9rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(2.2rem, 3vw, 2.9rem); line-height: 1.18; letter-spacing: -.02em; font-weight: 600; color: var(--heading); }
.hero h1 .headline-line { display: inline; }
.hero h1 em { display: inline; width: auto; max-width: 100%; color: transparent; background: linear-gradient(92deg, var(--accent-dark), var(--neon)); -webkit-background-clip: text; background-clip: text; font-style: normal; }
.hero-lede { max-width: 640px; margin: 1.4rem 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.4rem; margin-top: 2rem; }
.hero-visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
}
.hero-visual::before { content: ""; position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: 1; pointer-events: none; background: linear-gradient(105deg, transparent 44%, rgba(10, 168, 201, .14) 50%, transparent 56%); animation: hvScan 5.5s ease-in-out infinite; }
@keyframes hvScan { 0%, 25% { transform: translateX(-110%); } 75%, 100% { transform: translateX(110%); } }
.hero-visual img.hero-shot { display: block; width: 100%; height: auto; }
.hud-label { position: absolute; z-index: 3; top: .9rem; left: 1rem; padding: .3rem .7rem; color: #fff; background: rgba(0, 51, 102, .78); border-radius: 999px; font-size: .75rem; font-weight: 700; letter-spacing: .05em; }
.hud-side { display: none; }
.hud-corners, .orbit, .core, .data-readout { display: none; }
.signal {
  position: absolute;
  z-index: 2;
  padding: .5rem .8rem;
  color: var(--accent-dark);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .92);
  font-size: .8rem;
  font-weight: 700;
}
.signal::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: .45rem; background: var(--neon); border-radius: 50%; box-shadow: 0 0 8px var(--neon-glow); }
.signal-a { left: .9rem; top: 3rem; }
.signal-b { right: .9rem; top: 3rem; }
.signal-c { right: .9rem; bottom: 3.6rem; }
.signal-d { left: .9rem; bottom: 3.6rem; }
.metric-card { position: absolute; z-index: 3; left: .9rem; bottom: .9rem; right: .9rem; padding: .8rem 1rem; border-radius: var(--radius-sm); background: rgba(0, 51, 102, .85); color: #fff; }
.metric-label { display: block; margin-bottom: .2rem; color: #bcd2ea; font-size: .72rem; font-weight: 700; letter-spacing: .04em; }
.metric-card strong { font-size: 1rem; line-height: 1.4; }
.hero-strip { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; font-weight: 600; }
.hero-strip span::before { content: "◆"; margin-right: .6rem; color: var(--accent); font-size: .7rem; }
.hero-banner { position: relative; max-width: var(--container); margin: 0 auto; padding: 0 var(--pad); }
.hero-banner figure { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
.hero-banner img { display: block; width: 100%; height: auto; }
.hero-banner figcaption { position: absolute; left: 1rem; bottom: 1rem; padding: .45rem .9rem; color: #fff; background: rgba(0, 51, 102, .82); border-radius: 999px; font-size: .82rem; font-weight: 700; }

/* ---------- sections ---------- */
.section-shell { position: relative; max-width: var(--container); margin: 0 auto; padding: clamp(3.5rem, 7vw, 6rem) var(--pad); }
.proof-note { display: grid; grid-template-columns: .5fr 3fr; gap: 3rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); align-items: center; }
.statement { max-width: 100%; margin: 0; font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.35; letter-spacing: -.01em; font-weight: 600; color: var(--heading); }
.statement::first-line { color: var(--accent); }
.section-heading { display: grid; grid-template-columns: 1.5fr .5fr; gap: 3rem; align-items: end; margin-bottom: 2.6rem; }
.section-heading h2, .market h2, .principle-copy h2, .contact h2 { margin: 0; font-size: clamp(1.6rem, 2.4vw, 2.1rem); line-height: 1.3; letter-spacing: -.01em; font-weight: 600; color: var(--heading); }
.section-heading > p { max-width: 460px; margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.section-heading.compact h2 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); }
.section-label { display: flex; justify-content: space-between; align-items: baseline; gap: 2rem; margin-bottom: 1.8rem; }
.section-label p { margin: 0; font-size: 1rem; }
.section-label p:last-child { color: var(--muted); }

/* ---------- service overview cards (homepage) ---------- */
.system-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.system-card {
  position: relative;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s;
}
.system-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.system-card::after { display: none; }
.system-card.accent, .system-card.dark { background: var(--card); }
.card-number { color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .05em; }
.card-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-top: 1.6rem; color: var(--accent-dark); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card-soft); font-size: 1.2rem; }
.system-card h3 { margin: 1.1rem 0 .7rem; font-size: 1.25rem; font-weight: 600; color: var(--heading); }
.system-card p { margin: 0; color: var(--muted); font-size: .98rem; line-height: 1.65; }
.system-card ul { margin: auto 0 0; padding: 0; list-style: none; }
.system-card li { padding: .65rem 0; border-top: 1px solid var(--line); color: var(--text); font-size: .95rem; }
.system-card li::before { content: ">"; margin-right: .6rem; color: var(--accent); }
.system-card li a { border-bottom: 1px dashed var(--line-strong); transition: color .15s; }
.system-card li a:hover { color: var(--accent); }

/* ---------- services list ---------- */
.services::before { display: none; }
.service-list { border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); overflow: hidden; clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%); }
.service-row { position: relative; display: grid; grid-template-columns: 64px 1.05fr 1fr 42px; gap: 1.6rem; align-items: center; padding: 1.5rem 1.4rem; border-top: 1px solid var(--line); transition: background .15s; }
.service-row:first-child { border-top: 0; }
.service-row:hover { background: var(--card-soft); }
.service-row:nth-child(1), .service-row:nth-child(5) { --row-accent: var(--accent); }
.service-row:nth-child(2), .service-row:nth-child(6) { --row-accent: var(--heading-2); }
.service-row:nth-child(3) { --row-accent: var(--accent); }
.service-row:nth-child(4) { --row-accent: var(--accent-dark); }
.service-row span { color: var(--row-accent, var(--accent)); font-size: .85rem; font-weight: 800; }
.service-row h3 { margin: 0; font-size: clamp(1.3rem, 1.9vw, 1.6rem); font-weight: 600; color: var(--heading); }
.service-row p { max-width: 640px; margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.service-row i { display: grid; place-items: center; width: 36px; height: 36px; color: var(--row-accent, var(--accent)); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-style: normal; transition: transform .15s, color .15s, background .15s; }
.service-row:hover i { transform: rotate(45deg); color: #fff; background: var(--accent); }
a.service-link { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: .4rem; margin-top: .8rem; color: var(--accent); border-bottom: 2px solid currentColor; font-size: .9rem; font-weight: 700; }
a.service-link:hover { color: var(--accent-dark); }
.service-row a.row-link { position: absolute; inset: 0; z-index: 1; }

/* ---------- market / fit ---------- */
.market { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: clamp(3.5rem, 7vw, 6rem) max(var(--pad), calc((100vw - var(--container)) / 2 + var(--pad))); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--card-soft); }
.market-copy > p:not(.eyebrow) { max-width: 640px; margin: 1.4rem 0; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-content: center; }
.fit-grid > div { min-height: 190px; padding: 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; }
.fit-grid > div:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.fit-grid span { display: block; margin-bottom: 1.6rem; color: var(--accent); font-size: .8rem; font-weight: 800; }
.fit-grid strong { font-size: 1.12rem; color: var(--heading); }
.fit-grid p { margin-bottom: 0; color: var(--muted); line-height: 1.6; font-size: .95rem; }

/* ---------- industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.industry-card { display: flex; flex-direction: column; gap: .7rem; min-height: 210px; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s, border-color .15s; }
.industry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--line-strong); }
.industry-card span:first-child { color: var(--accent); font-size: .8rem; font-weight: 800; }
.industry-card h3 { margin: 0; font-size: 1.2rem; font-weight: 600; color: var(--heading); }
.industry-card p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.industry-card .go { margin-top: auto; display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); font-size: .88rem; font-weight: 800; }
.industry-card:hover .go { color: var(--accent-dark); }

/* ---------- timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); overflow: hidden; }
.timeline-item { position: relative; min-height: 280px; padding: 1.4rem; border-right: 1px solid var(--line); }
.timeline-item:last-child { border-right: 0; }
.timeline-item::after { content: ""; position: absolute; left: 1.4rem; right: 1.4rem; top: 64px; height: 2px; background: linear-gradient(90deg, var(--accent), var(--line)); }
.timeline-item > span { display: inline-block; margin-bottom: 4.6rem; color: var(--accent); font-size: .8rem; font-weight: 800; }
.timeline-item h3 { margin: 0 0 .7rem; font-size: 1.3rem; font-weight: 600; color: var(--heading); }
.timeline-item h3::before { display: none; }
.timeline-item p { margin: 0; color: var(--muted); font-size: .96rem; line-height: 1.65; }

/* ---------- principles ---------- */
.principles { max-width: none; padding: clamp(3.5rem, 7vw, 6rem) max(var(--pad), calc((100vw - var(--container)) / 2 + var(--pad))); color: var(--text); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--card-soft); }
.principle-copy { display: grid; grid-template-columns: 1.4fr .6fr; gap: 3rem; align-items: end; }
.principle-copy p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.principle-copy .note { padding-top: .9rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }

/* ---------- ready band ---------- */
.ready-band {
  max-width: none;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 3rem;
  align-items: center;
  padding: clamp(3rem, 5vw, 4.5rem) max(var(--pad), calc((100vw - var(--container)) / 2 + var(--pad)));
  background: radial-gradient(circle at 15% 20%, rgba(10, 168, 201, .2), transparent 20rem), var(--accent-dark);
  color: #fff;
  border-top: 2px solid rgba(10, 168, 201, .45);
}
.ready-band .eyebrow { color: #bcd2ea; }
.ready-band h2 { margin: 0 0 .9rem; font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.3; font-weight: 600; }
.ready-band p { margin: 0; color: #c9d8ea; font-size: 1.02rem; line-height: 1.7; }
.ready-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: flex-end; }
.ready-actions .button { border-color: #fff; }
.ready-actions .button-primary { color: var(--accent-dark); background: #fff; border-color: #fff; }
.ready-actions .button-primary:hover { color: #fff; background: var(--accent); border-color: var(--accent); }
.ready-actions .button-secondary { color: #fff; background: transparent; border-color: rgba(255,255,255,.6); }
.ready-actions .button-secondary:hover { background: rgba(255,255,255,.14); }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; }
.contact::before { display: none; }
.contact-top, .contact-form { position: relative; }
.contact h2 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); }
.contact-direct { display: flex; align-items: center; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; }
.contact-direct p { margin: 0 .4rem 0 0; color: var(--muted); font-size: .92rem; }
.contact-chip { display: inline-flex; align-items: center; gap: .5rem; min-height: 46px; padding: 0 1rem; color: var(--accent-dark); border: 1px solid var(--line-strong); border-radius: 999px; background: var(--card); font-size: .92rem; font-weight: 700; transition: color .15s, border-color .15s, background .15s; }
.contact-chip:hover { color: #fff; background: var(--accent-dark); border-color: var(--accent-dark); }
.chip-icon { color: var(--accent); font-style: normal; }
.contact-chip:hover .chip-icon { color: #fff; }
.contact-form { align-self: start; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.contact-form::before { content: "SEND US YOUR NEEDS / 告诉我们你的需求"; grid-column: 1/-1; padding-bottom: .9rem; color: var(--accent); border-bottom: 1px solid var(--line); font-size: .82rem; font-weight: 800; letter-spacing: .04em; }
.contact-form label { display: grid; gap: .5rem; }
.contact-form label:nth-of-type(3), .contact-form label:nth-of-type(4), .contact-form label:nth-of-type(5), .contact-form button, .form-note { grid-column: 1 / -1; }
.contact-form label span { color: var(--text); font-size: .9rem; font-weight: 700; }
.contact-form input, .contact-form textarea { width: 100%; min-height: 50px; padding: .75rem .9rem; color: var(--text); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); outline: 0; background: var(--card-soft); font-size: 1rem; }
.contact-form textarea { resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #98a1b0; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 86, 164, .12); }
.contact-form button { margin-top: .3rem; cursor: pointer; }
.form-note { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.form-note a { color: var(--accent); border-bottom: 1px solid currentColor; }
.contact-form button[disabled] { cursor: wait; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

/* ---------- footer ---------- */
.site-footer { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding: 3.5rem var(--pad) 2rem; color: #c9d8ea; background: radial-gradient(circle at 85% 10%, rgba(10, 168, 201, .14), transparent 22rem), #0c1a30; border-top: 2px solid rgba(10, 168, 201, .35); }
.site-footer::before { display: none; }
.footer-brand { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .9rem; }
.footer-brand .brand-logo { height: 52px; }
.footer-brand p { grid-column: 1/-1; max-width: 460px; color: #b9c8db; font-size: .98rem; line-height: 1.65; }
.site-footer > div:not(.footer-brand):not(.footer-bottom) { display: flex; flex-direction: column; gap: .7rem; }
.site-footer > div > span { margin-bottom: .5rem; color: #8fa7c4; font-size: .82rem; font-weight: 800; letter-spacing: .06em; }
.site-footer a { color: #dbe4f0; font-size: .98rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom { grid-column: 1/-1; display: flex; justify-content: space-between; padding-top: 1.6rem; border-top: 1px solid rgba(255,255,255,.14); color: #8fa7c4; font-size: .88rem; }
.footer-bottom small { display: flex; gap: 1rem; }
.footer-bottom a { color: #aebfd4; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- service detail pages ---------- */
.svc-hero {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(2.6rem, 5vw, 4.5rem) var(--pad) clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.5fr .5fr;
  gap: 3rem;
  align-items: end;
  border-bottom: 1px solid var(--line);
}
.svc-hero::before { display: none; }
.svc-hero h1 { margin: 0 0 1rem; font-size: clamp(1.9rem, 3.4vw, 3rem); line-height: 1.2; letter-spacing: -.01em; font-weight: 600; color: var(--heading); }
.svc-hero h1 em { display: inline; width: auto; max-width: 100%; color: var(--accent); font-style: normal; }
.svc-lede { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.06rem; line-height: 1.75; }
.svc-meta { display: flex; flex-direction: column; gap: .7rem; align-items: flex-end; text-align: right; }
.svc-meta .tag { padding: .4rem .9rem; color: var(--accent-dark); border: 1px solid var(--line-strong); border-radius: 999px; background: var(--card); font-size: .82rem; font-weight: 700; }
.svc-meta .nav-next { color: var(--muted); font-size: .85rem; }
.svc-meta .nav-next a { color: var(--accent); font-weight: 700; }
.svc-meta .nav-next a:hover { color: var(--accent-dark); }
.svc-body { max-width: var(--container); margin: 0 auto; padding: clamp(2.5rem, 5vw, 4.5rem) var(--pad); }
.svc-block { display: grid; grid-template-columns: .5fr 1.5fr; gap: 3rem; padding: 2.2rem 0; border-top: 1px solid var(--line); }
.svc-block:first-child { border-top: 0; padding-top: 0; }
.svc-block .block-head p { margin: 0 0 1rem; color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .05em; }
.svc-block .block-head h2 { margin: 0; font-size: clamp(1.4rem, 2vw, 1.9rem); line-height: 1.3; font-weight: 600; color: var(--heading); }
.svc-block .block-body > p { margin: 0 0 1.4rem; color: var(--muted); font-size: 1.02rem; line-height: 1.7; }
.deliver-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.deliver-item { padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.deliver-item b { display: block; margin-bottom: .4rem; color: var(--heading); font-size: 1.02rem; }
.deliver-item p { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.6; }
.fit-list { display: grid; gap: .9rem; }
.fit-item { display: grid; grid-template-columns: 48px 1fr; gap: 1.1rem; align-items: start; padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.fit-item span { color: var(--accent); font-size: .85rem; font-weight: 800; }
.fit-item b { display: block; margin-bottom: .3rem; font-size: 1.06rem; color: var(--heading); }
.fit-item p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.step-list { display: grid; gap: .9rem; }
.step-item { display: grid; grid-template-columns: 72px 1fr; gap: 1.2rem; padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.step-item span { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .03em; }
.step-item b { display: block; margin-bottom: .3rem; font-size: 1.04rem; color: var(--heading); }
.step-item p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.svc-faq { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); overflow: hidden; }
.svc-faq details { border-top: 1px solid var(--line); }
.svc-faq details:first-child { border-top: 0; }
.svc-faq summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 56px; padding: .85rem 1.2rem; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--heading); list-style: none; }
.svc-faq summary::-webkit-details-marker { display: none; }
.svc-faq summary::after { content: "+"; color: var(--accent); font-size: 1.2rem; font-weight: 700; transition: transform .15s; }
.svc-faq details[open] summary::after { transform: rotate(45deg); }
.svc-faq .faq-a { padding: 0 1.2rem 1rem; color: var(--muted); line-height: 1.7; font-size: .96rem; }
.svc-cta { display: grid; grid-template-columns: 1.3fr .7fr; gap: 2.5rem; align-items: center; margin-top: 1.5rem; padding: 1.8rem 2rem; background: var(--accent-dark); color: #fff; clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%); }
.svc-cta h2 { margin: 0 0 .6rem; font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 600; }
.svc-cta p { margin: 0; color: #c9d8ea; font-size: 1rem; line-height: 1.7; }
.svc-cta .button { justify-self: end; border-color: #fff; }
.svc-cta .button-primary { background: #fff; color: var(--accent-dark); border-color: #fff; }
.svc-cta .button-primary:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.svc-cta .contact-direct { margin-top: .9rem; }
.svc-cta .contact-chip { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; min-height: 40px; font-size: .85rem; }
.svc-cta .contact-chip:hover { background: #fff; color: var(--accent-dark); }
.svc-cta .chip-icon { color: #bcd2ea; }
.svc-cta .contact-chip:hover .chip-icon { color: var(--accent-dark); }

/* ---------- feature panel (service pages) ---------- */
.feature-panel { display: grid; grid-template-columns: minmax(220px, .75fr) 1.25fr; gap: 2rem; align-items: center; }
.feature-media { margin: 0; padding: 1.3rem; border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%); }
.feature-media img { display: block; width: 100%; height: auto; }
.feature-media figcaption { margin-top: .8rem; color: var(--muted); font-size: .85rem; text-align: center; }
.feature-copy p { margin: 0 0 1.4rem; color: var(--muted); font-size: 1.04rem; line-height: 1.7; }
.feature-actions { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.feature-actions .contact-chip { min-height: 46px; }

/* ---------- visual figures ---------- */
.visual-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.visual-item { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); box-shadow: var(--shadow); }
.visual-item img { display: block; width: 100%; height: auto; }
.visual-item figcaption { padding: .8rem 1rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .88rem; }
.visual-note { margin-top: 1.1rem !important; font-size: 1.02rem; }
.visual-link { display: block; transition: transform .15s, box-shadow .15s, border-color .15s; }
.visual-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--line-strong); }
.visual-link:hover figcaption { color: var(--accent); }

/* ---------- legal pages ---------- */
.legal { max-width: 960px; }
.legal h1 { margin: 0 0 1rem; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.2; font-weight: 600; color: var(--heading); }
.legal .eyebrow { margin-bottom: 1.2rem; }
.legal-meta { margin: 0 0 2.6rem; color: var(--muted); font-size: .88rem; }
.legal-article { max-width: 100%; padding: 2.2rem 2.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.legal-article h2 { margin: 2rem 0 .8rem; padding-left: .8rem; border-left: 3px solid var(--accent); font-size: 1.25rem; font-weight: 600; color: var(--heading); }
.legal-article h2:first-child { margin-top: 0; }
.legal-article p, .legal-article li { color: var(--muted); font-size: 1rem; line-height: 1.8; }
.legal-article ul { padding-left: 1.2rem; }
.legal-article a { color: var(--accent); border-bottom: 1px solid currentColor; }

/* ---------- 404 ---------- */
.error-page { position: relative; min-height: 100vh; display: grid; align-content: center; max-width: var(--container); margin: 0 auto; padding: var(--pad); overflow: hidden; }
.error-code { position: absolute; right: 0; top: 50%; transform: translateY(-56%); margin: 0; color: rgba(47, 86, 164, .07); font-size: min(40vw, 26rem); font-weight: 800; line-height: 1; pointer-events: none; }
.error-page h1 { margin: 0 0 1.2rem; font-size: clamp(1.9rem, 4vw, 3.4rem); line-height: 1.25; font-weight: 600; color: var(--heading); }
.error-lede { max-width: 460px; margin: 0 0 2rem; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.error-page .hero-actions { position: relative; z-index: 1; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .site-header > .button { display: none; }
  .menu-toggle { justify-self: end; display: grid; gap: 5px; width: 48px; height: 48px; place-content: center; color: var(--accent-dark); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card); }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: currentColor; }
  .mobile-nav { position: absolute; left: var(--pad); right: var(--pad); top: 72px; display: none; flex-direction: column; padding: .6rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-hover); }
  .mobile-nav a { min-height: 50px; display: flex; align-items: center; padding: 0 .8rem; border-bottom: 1px solid var(--line); font-size: 1rem; font-weight: 600; }
  .mobile-nav a:last-child { border-bottom: 0; }
  .mobile-nav.open { display: flex; }
  .mobile-group { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 0; }
  .hero-visual { max-width: 620px; }
  .proof-note, .section-heading, .market, .principle-copy, .contact, .ready-band { grid-template-columns: 1fr; }
  .system-grid { grid-template-columns: 1fr; }
  .system-card { min-height: auto; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline-item:nth-child(2) { border-right: 0; }
  .timeline-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .ready-actions { justify-content: flex-start; }
  .svc-hero { grid-template-columns: 1fr; gap: 1.6rem; }
  .svc-meta { flex-direction: row; align-items: center; justify-content: flex-start; text-align: left; }
  .svc-block { grid-template-columns: 1fr; gap: 1.6rem; }
  .svc-cta { grid-template-columns: 1fr; }
  .svc-cta .button { justify-self: start; }
}
@media (max-width: 680px) {
  :root { --pad: 1.1rem; }
  .site-header { min-height: 72px; }
  section[id] { scroll-margin-top: 78px; }
  .brand-logo { height: 48px; }
  .hero { padding-top: 2.4rem; gap: 1.6rem; }
  .hero h1 { font-size: clamp(2rem, 9.5vw, 2.8rem); }
  .hero-lede { font-size: 1.02rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 1rem; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { width: max-content; }
  .hero-visual { min-height: auto; }
  .signal { font-size: .72rem; padding: .4rem .65rem; }
  .metric-card strong { font-size: .92rem; }
  .hero-strip { gap: 1.4rem; font-size: .8rem; overflow: hidden; }
  .section-shell { padding-top: 3.4rem; padding-bottom: 3.4rem; }
  .statement { font-size: 1.4rem; }
  .deliver-grid, .fit-grid, .industry-grid { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 32px 1fr 32px; gap: .7rem; padding: 1.2rem .9rem; }
  .service-row p { grid-column: 2 / -1; }
  .service-row i { grid-column: 3; grid-row: 1; }
  .timeline { grid-template-columns: 1fr; }
  .timeline-item, .timeline-item:nth-child(2) { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .timeline-item:last-child { border-bottom: 0; }
  .timeline-item > span { margin-bottom: 3rem; }
  .contact-form { grid-template-columns: 1fr; padding: 1.1rem; }
  .contact-form label { grid-column: 1/-1; }
  .site-footer { grid-template-columns: 1fr 1fr; gap: 2rem 1.2rem; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; gap: .5rem; font-size: .8rem; }
  .feature-panel { grid-template-columns: 1fr; }
  .visual-row { grid-template-columns: 1fr; }
  .legal-article { padding: 1.4rem 1.1rem; }
  .svc-cta { padding: 1.4rem 1.2rem; }
  .ready-band { padding: 2.6rem var(--pad); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}