/* ============================================================
   RYOMA Biotechnology — Brand Stylesheet
   Neuro-longevity • premium dark cinematic
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Core palette */
  --bg:            #04070c;
  --bg-1:          #070b12;
  --bg-2:          #0b1119;
  --bg-3:          #10182260;
  --panel:         #0c131d;
  --line:          rgba(143, 180, 212, 0.14);
  --line-strong:   rgba(143, 180, 212, 0.28);

  /* Silver-blue neural */
  --blue:          #8fb4d4;
  --blue-bright:   #6ea8e6;
  --blue-glow:     rgba(110, 168, 230, 0.55);
  --blue-faint:    rgba(143, 180, 212, 0.08);

  /* Gold accent (luxury) */
  --gold:          #c9a86a;
  --gold-bright:   #e2c688;
  --gold-deep:     #a8884b;

  /* Type */
  --text:          #eaf0f6;
  --text-soft:     #b7c2cf;
  --muted:         #7e8b9b;
  --muted-2:       #5c6776;

  /* Fonts */
  --f-head: "Jost", "Noto Sans TC", sans-serif;       /* Futura substitute */
  --f-cap:  "Roboto", "Noto Sans TC", sans-serif;      /* overhead / caption / button */
  --f-body: "Bitter", "Noto Sans TC", Georgia, serif;  /* body */
  --f-tc:   "Noto Sans TC", "Jost", sans-serif;

  /* Layout */
  --maxw: 1280px;
  --gut: clamp(22px, 5vw, 80px);
  --nav-h: 76px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: var(--gold); color: #1a1407; }

/* ---------- Background ambient ---------- */
.bg-layer {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(110,168,230,0.10), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(143,180,212,0.06), transparent 55%),
    radial-gradient(1000px 800px at 50% 110%, rgba(201,168,106,0.05), transparent 60%);
}
#neural-canvas {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  pointer-events: none; opacity: 0;
  transition: opacity 1.6s var(--ease);
}
#neural-canvas.ready { opacity: 1; }

/* film grain / vignette */
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  box-shadow: inset 0 0 240px 40px rgba(0,0,0,0.65);
  background: radial-gradient(120% 120% at 50% 40%, transparent 60%, rgba(0,0,0,0.5));
}

main, header, footer { position: relative; z-index: 2; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.section { padding-block: clamp(80px, 12vh, 160px); position: relative; }
.section--tight { padding-block: clamp(60px, 8vh, 110px); }

.eyebrow {
  font-family: var(--f-cap);
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--gold);
  display: inline-flex; align-items: center; gap: 14px;
}
.eyebrow::before {
  content: ""; width: 34px; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.eyebrow.center::before { display: none; }

h1, h2, h3, h4 { font-family: var(--f-head); font-weight: 400; line-height: 1.04; letter-spacing: -0.01em; }
.zh { font-family: var(--f-tc); font-weight: 300; }

.display {
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  font-weight: 300; letter-spacing: -0.02em;
}
.h-sec {
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  font-weight: 300; line-height: 1.08;
}
.lead {
  font-family: var(--f-body);
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  color: var(--text-soft); line-height: 1.85; font-weight: 400;
}
.muted { color: var(--muted); }
.gold { color: var(--gold); }
.blue { color: var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--f-cap);
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 15px 30px; border-radius: 2px;
  transition: all 0.45s var(--ease);
  position: relative; white-space: nowrap;
}
.btn .arr { transition: transform 0.45s var(--ease); }
.btn:hover .arr { transform: translateX(5px); }

.btn--gold {
  border: 1px solid var(--gold);
  color: var(--gold);
  background: linear-gradient(180deg, rgba(201,168,106,0.06), transparent);
}
.btn--gold:hover {
  background: var(--gold); color: #15100422;
  color: #1a1407;
  box-shadow: 0 0 0 1px var(--gold), 0 14px 40px -12px rgba(201,168,106,0.6);
}
.btn--solid {
  background: var(--gold); color: #1a1407;
  border: 1px solid var(--gold);
}
.btn--solid:hover { box-shadow: 0 14px 40px -10px rgba(201,168,106,0.55); transform: translateY(-2px); }
.btn--ghost {
  border: 1px solid var(--line-strong); color: var(--text);
}
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--lg { padding: 18px 38px; font-size: 0.86rem; }

.link-arrow {
  font-family: var(--f-cap);
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--blue); display: inline-flex; align-items: center; gap: 9px;
  transition: gap 0.4s var(--ease), color 0.4s var(--ease);
}
.link-arrow:hover { gap: 16px; color: var(--blue-bright); }

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease), border-color 0.5s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 8, 13, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  padding-inline: var(--gut);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__logo img { height: 24px; width: auto; opacity: 0.95; transition: opacity 0.3s; }
.nav__logo:hover img { opacity: 1; }
.nav__menu { display: flex; align-items: center; gap: 34px; }
.nav__link {
  font-family: var(--f-cap);
  font-size: 0.8rem; font-weight: 400; letter-spacing: 0.08em;
  color: var(--text-soft); position: relative; padding: 6px 0;
  transition: color 0.3s;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--gold); transition: width 0.4s var(--ease);
}
.nav__link:hover, .nav__link.active { color: var(--text); }
.nav__link.active::after, .nav__link:hover::after { width: 100%; }
.nav__cta { display: flex; align-items: center; gap: 16px; }
.nav__lang {
  font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.12em;
  color: var(--muted); border: 1px solid var(--line); border-radius: 2px;
  padding: 7px 11px; transition: all 0.3s;
}
.nav__lang:hover { color: var(--text); border-color: var(--line-strong); }
.nav__cta .btn { padding: 11px 20px; font-size: 0.74rem; }

.nav__burger { display: none; width: 30px; height: 20px; position: relative; }
.nav__burger span {
  position: absolute; left: 0; height: 1.5px; width: 100%; background: var(--text);
  transition: all 0.4s var(--ease);
}
.nav__burger span:nth-child(1) { top: 2px; }
.nav__burger span:nth-child(2) { top: 9px; }
.nav__burger span:nth-child(3) { top: 16px; }
body.menu-open .nav__burger span:nth-child(1) { top: 9px; transform: rotate(45deg); }
body.menu-open .nav__burger span:nth-child(2) { opacity: 0; }
body.menu-open .nav__burger span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4,7,12,0.97); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--gut);
  opacity: 0; visibility: hidden; transition: opacity 0.5s var(--ease), visibility 0.5s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--f-head); font-weight: 300;
  font-size: clamp(2rem, 8vw, 3rem); color: var(--text-soft);
  padding: 10px 0; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: baseline;
  transition: color 0.3s, padding-left 0.4s var(--ease);
}
.mobile-menu a .num { font-family: var(--f-cap); font-size: 0.8rem; color: var(--gold); letter-spacing: 0.2em; }
.mobile-menu a:hover { color: var(--text); padding-left: 12px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding-top: var(--nav-h); position: relative;
}
.hero__inner { max-width: var(--maxw); margin: 0 auto; width: 100%; padding-inline: var(--gut); }
.hero__content { max-width: 980px; }
.hero h1 {
  font-size: clamp(2.7rem, 7vw, 6.2rem);
  font-family: var(--f-tc); font-weight: 300; line-height: 1.08;
  letter-spacing: 0.01em;
}
.hero h1 .en {
  display: block; font-family: var(--f-head); font-weight: 300;
  font-size: clamp(1rem, 2.3vw, 1.9rem); letter-spacing: 0.02em;
  color: var(--text-soft); margin-top: 24px; line-height: 1.2;
}
.hero__sub {
  max-width: 680px; margin-top: 34px;
}
.hero__sub .zh { font-size: clamp(0.95rem, 1.4vw, 1.1rem); color: var(--text-soft); line-height: 1.95; font-weight: 300; }
.hero__sub .en { font-family: var(--f-body); font-size: 0.96rem; color: var(--muted); margin-top: 16px; line-height: 1.8; font-style: italic; }
.hero__cta { margin-top: 46px; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

.hero__scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  font-family: var(--f-cap); font-size: 0.64rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.hero__scroll .bar { width: 1px; height: 46px; background: linear-gradient(var(--gold), transparent); position: relative; overflow: hidden; }
.hero__scroll .bar::after { content:""; position:absolute; top:0; left:0; width:100%; height:40%; background: var(--gold); animation: scrolldot 2.2s var(--ease) infinite; }
@keyframes scrolldot { 0%{ transform: translateY(-100%);} 60%,100%{ transform: translateY(260%);} }

/* Hero trust strip */
.hero__trust {
  margin-top: 56px; display: flex; flex-wrap: wrap; gap: 14px 30px; align-items: center;
  padding-top: 28px; border-top: 1px solid var(--line);
}
.trust-chip {
  font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--text-soft); display: inline-flex; align-items: center; gap: 9px;
}
.trust-chip svg { width: 15px; height: 15px; stroke: var(--gold); fill: none; }

/* ============================================================
   GENERIC SECTION HEADERS
   ============================================================ */
.sec-head { max-width: 760px; margin-bottom: clamp(48px, 6vw, 80px); }
.sec-head .h-sec { margin-top: 22px; }
.sec-head .h-sec .en { display:block; font-family: var(--f-head); color: var(--muted); font-size: clamp(0.95rem,1.6vw,1.3rem); margin-top: 12px; font-style: normal; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head.center .eyebrow::before { display: none; }

/* ---------- Split (Why Ryoma) ---------- */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.split__mark {
  position: relative; aspect-ratio: 1; display: grid; place-items: center;
}
.split__mark .lotus { width: min(360px, 80%); filter: drop-shadow(0 0 50px rgba(110,168,230,0.25)); }
.split__mark::after {
  content:""; position:absolute; inset: 8%; border-radius: 50%;
  background: radial-gradient(circle, rgba(110,168,230,0.10), transparent 65%);
}
.split__body p { margin-top: 24px; }
.split__body .lead:first-of-type { color: var(--text); font-size: clamp(1.2rem,2vw,1.55rem); font-family: var(--f-head); font-weight: 300; line-height: 1.5; }

/* ============================================================
   PILLAR CARDS
   ============================================================ */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pillar {
  position: relative; padding: 40px 34px 44px; border: 1px solid var(--line);
  border-radius: 4px; background: linear-gradient(180deg, rgba(143,180,212,0.025), rgba(255,255,255,0));
  overflow: hidden; transition: border-color 0.5s var(--ease), transform 0.5s var(--ease), background 0.5s;
}
.pillar::before {
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity:0; transition: opacity 0.5s;
}
.pillar:hover { border-color: var(--line-strong); transform: translateY(-6px); background: linear-gradient(180deg, rgba(143,180,212,0.05), rgba(255,255,255,0)); }
.pillar:hover::before { opacity: 1; }
.pillar__num { font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--gold); }
.pillar__icon { width: 52px; height: 52px; margin: 26px 0 24px; }
.pillar__icon svg { width: 100%; height: 100%; stroke: var(--blue); fill: none; stroke-width: 1; }
.pillar h3 { font-size: 1.5rem; font-weight: 300; line-height: 1.2; }
.pillar .product-name { font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 12px; }
.pillar .tag { font-family: var(--f-head); font-style: italic; color: var(--blue); font-size: 1.05rem; margin-top: 20px; font-weight: 300; }
.pillar p { font-family: var(--f-body); font-size: 0.94rem; color: var(--text-soft); margin-top: 16px; line-height: 1.8; }

/* ============================================================
   TRUST / BADGES
   ============================================================ */
.trust-band { border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(143,180,212,0.02), transparent); }
.badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.badge { background: var(--bg-1); padding: 34px 26px; text-align: center; transition: background 0.4s; }
.badge:hover { background: var(--bg-2); }
.badge svg { width: 32px; height: 32px; stroke: var(--gold); fill: none; stroke-width: 1; margin: 0 auto 16px; }
.badge h4 { font-family: var(--f-cap); font-size: 0.84rem; font-weight: 500; letter-spacing: 0.08em; color: var(--text); }
.badge p { font-family: var(--f-cap); font-size: 0.72rem; color: var(--muted); margin-top: 7px; letter-spacing: 0.04em; }

/* Stat block */
.statblock { display: grid; grid-template-columns: auto 1fr; gap: clamp(30px,5vw,70px); align-items: center; margin-top: clamp(50px,7vw,90px); }
.statblock .stat-num {
  font-family: var(--f-head); font-weight: 200;
  font-size: clamp(5rem, 14vw, 11rem); line-height: 0.85; letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  white-space: nowrap;
}
.statblock .stat-unit { font-family: var(--f-head); font-size: clamp(1.4rem,3vw,2.4rem); color: var(--gold); font-weight: 300; display:block; margin-top: 6px; }
.statblock .stat-desc { font-family: var(--f-body); font-size: clamp(1.1rem,1.8vw,1.5rem); color: var(--text-soft); line-height: 1.6; max-width: 480px; font-weight: 400; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  position: relative; overflow: hidden;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(800px 400px at 80% 50%, rgba(201,168,106,0.10), transparent 60%),
    radial-gradient(700px 500px at 10% 120%, rgba(110,168,230,0.08), transparent 60%),
    var(--bg-1);
}
.cta-banner__inner { text-align: center; max-width: 880px; margin: 0 auto; }
.cta-banner h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); font-weight: 300; }
.cta-banner .zh { font-family: var(--f-tc); font-weight: 300; font-size: clamp(1.1rem,2.2vw,1.7rem); color: var(--text-soft); margin-top: 20px; }
.cta-banner .btn { margin-top: 42px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); background: var(--bg-1); padding-block: 72px 38px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid var(--line); }
.footer__brand img { height: 26px; margin-bottom: 22px; opacity: 0.9; }
.footer__brand .tagline { font-family: var(--f-head); font-weight: 300; font-size: 1.15rem; color: var(--text-soft); line-height: 1.5; max-width: 280px; }
.footer__brand .tagline .zh { display:block; font-size: 0.95rem; color: var(--muted); margin-top: 8px; }
.footer__col h5 { font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.footer__col a, .footer__col p { font-family: var(--f-body); font-size: 0.9rem; color: var(--text-soft); display: block; padding: 6px 0; transition: color 0.3s; }
.footer__col a:hover { color: var(--gold); }
.footer__social { display: flex; gap: 14px; margin-top: 18px; }
.footer__social a { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; transition: all 0.4s; }
.footer__social a:hover { border-color: var(--gold); background: rgba(201,168,106,0.08); }
.footer__social svg { width: 16px; height: 16px; stroke: var(--text-soft); fill: none; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 30px; flex-wrap: wrap; }
.footer__bottom p { font-family: var(--f-cap); font-size: 0.72rem; color: var(--muted-2); letter-spacing: 0.04em; }
.footer__bottom .disclaimer { max-width: 620px; line-height: 1.6; }

/* ============================================================
   INNER PAGE HERO
   ============================================================ */
.page-hero { padding-top: calc(var(--nav-h) + clamp(70px,11vh,150px)); padding-bottom: clamp(40px,6vw,70px); }
.page-hero h1 { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 300; max-width: 14ch; }
.page-hero h1 .zh { display:block; font-family: var(--f-tc); font-weight: 300; font-size: 0.5em; color: var(--text-soft); margin-bottom: 14px; }
.page-hero .lead { margin-top: 28px; max-width: 620px; }
.breadcrumb { font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 26px; }
.breadcrumb a { color: var(--gold); }

/* ============================================================
   GENERIC CONTENT BLOCKS
   ============================================================ */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,90px); align-items: center; padding-block: clamp(50px,7vw,90px); border-top: 1px solid var(--line); }
.feature-row:first-child { border-top: none; }
.feature-row.reverse .feature-row__visual { order: -1; }
.feature-row h3 { font-size: clamp(1.6rem,3vw,2.4rem); font-weight: 300; }
.feature-row .num-big { font-family: var(--f-head); font-size: clamp(3rem,6vw,5rem); font-weight: 200; color: var(--line-strong); -webkit-text-stroke: 1px var(--line-strong); line-height: 1; }
.feature-row p { margin-top: 20px; }
.feature-row ul.ticks { margin-top: 24px; }
.feature-row ul.ticks li { font-family: var(--f-body); font-size: 0.95rem; color: var(--text-soft); padding: 9px 0 9px 28px; position: relative; border-bottom: 1px solid var(--line); }
.feature-row ul.ticks li::before { content:""; position:absolute; left:0; top:18px; width:13px; height:7px; border-left: 1.5px solid var(--gold); border-bottom: 1.5px solid var(--gold); transform: rotate(-45deg); }

.visual-frame {
  aspect-ratio: 4/3; border: 1px solid var(--line); border-radius: 6px;
  background: radial-gradient(circle at 50% 40%, rgba(110,168,230,0.10), var(--bg-2));
  position: relative; overflow: hidden; display: grid; place-items: center;
}
.visual-frame .lotus { width: 55%; opacity: 0.85; filter: drop-shadow(0 0 40px rgba(110,168,230,0.3)); }
.visual-frame .label { position: absolute; bottom: 18px; left: 20px; font-family: var(--f-cap); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }

/* network nodes mini-graphic */
.netgraph { width: 100%; height: 100%; }
.netgraph circle { fill: var(--blue); }
.netgraph line { stroke: var(--line-strong); stroke-width: 0.6; }

/* ---------- Comparison table ---------- */
.cmp-table { width: 100%; border-collapse: collapse; font-family: var(--f-body); margin-top: 14px; }
.cmp-table th, .cmp-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.cmp-table thead th { font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.cmp-table thead th.hi { color: var(--gold); }
.cmp-table tbody td { color: var(--text-soft); }
.cmp-table td:first-child { color: var(--text); font-family: var(--f-cap); font-size: 0.86rem; }
.cmp-table td.hi { color: var(--text); background: linear-gradient(180deg, rgba(201,168,106,0.05), transparent); }
.cmp-table tbody tr:hover { background: rgba(143,180,212,0.025); }

/* ---------- Network grid (8 networks) ---------- */
.net-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.net-cell { border: 1px solid var(--line); border-radius: 4px; padding: 26px 22px; transition: all 0.4s var(--ease); position: relative; }
.net-cell:hover { border-color: var(--line-strong); background: rgba(143,180,212,0.03); transform: translateY(-4px); }
.net-cell .nc-num { font-family: var(--f-cap); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--gold); }
.net-cell h4 { font-family: var(--f-head); font-weight: 300; font-size: 1.15rem; margin-top: 14px; }
.net-cell .zh { font-family: var(--f-tc); font-size: 0.82rem; color: var(--muted); margin-top: 4px; font-weight: 300; }
.net-cell p { font-family: var(--f-body); font-size: 0.84rem; color: var(--text-soft); margin-top: 12px; line-height: 1.7; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content:""; position:absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--gold), var(--blue), transparent); }
.tl-item { position: relative; padding: 0 0 46px 30px; }
.tl-item::before { content:""; position:absolute; left: -30px; top: 4px; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--gold); transform: translateX(0); }
.tl-item .tl-year { font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.2em; color: var(--gold); }
.tl-item h4 { font-family: var(--f-head); font-weight: 300; font-size: 1.4rem; margin-top: 10px; }
.tl-item p { font-family: var(--f-body); font-size: 0.93rem; color: var(--text-soft); margin-top: 10px; max-width: 560px; }

/* ============================================================
   SERVICES
   ============================================================ */
.svc-list { display: grid; gap: 0; }
.svc-item {
  display: grid; grid-template-columns: auto 1fr auto; gap: clamp(24px,5vw,70px); align-items: center;
  padding-block: clamp(36px,5vw,56px); border-top: 1px solid var(--line); position: relative;
  transition: background 0.5s var(--ease);
}
.svc-item:last-child { border-bottom: 1px solid var(--line); }
.svc-item:hover { background: linear-gradient(90deg, rgba(143,180,212,0.04), transparent); }
.svc-item__num { font-family: var(--f-head); font-size: clamp(2rem,4vw,3.2rem); font-weight: 200; color: var(--line-strong); -webkit-text-stroke: 1px var(--gold); opacity: 0.6; transition: opacity 0.4s; }
.svc-item:hover .svc-item__num { opacity: 1; }
.svc-item__body { max-width: 640px; }
.svc-item__body h3 { font-size: clamp(1.5rem,2.8vw,2.2rem); font-weight: 300; }
.svc-item__body .zh { font-family: var(--f-tc); font-weight: 300; color: var(--muted); font-size: 0.9rem; display:block; margin-top: 6px; }
.svc-item__body p { font-family: var(--f-body); font-size: 0.96rem; color: var(--text-soft); margin-top: 16px; line-height: 1.8; }
.svc-item__body .sub-tools { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.svc-item__body .sub-tools span { font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.05em; color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 5px 13px; }
.svc-item__cta { display: flex; justify-content: flex-end; }

/* ============================================================
   ABOUT / TEAM
   ============================================================ */
.mission { max-width: 1000px; }
.mission blockquote { font-family: var(--f-head); font-weight: 300; font-size: clamp(1.5rem,3.4vw,2.8rem); line-height: 1.4; letter-spacing: -0.01em; }
.mission blockquote .gold { font-style: italic; }
.values { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin-top: 10px; }
.value { background: var(--bg-1); padding: 32px 26px; }
.value .v-num { font-family: var(--f-cap); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--gold); }
.value h4 { font-family: var(--f-head); font-weight: 300; font-size: 1.3rem; margin: 14px 0 10px; }
.value p { font-family: var(--f-body); font-size: 0.86rem; color: var(--text-soft); line-height: 1.7; }

.team { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.team-card { }
.team-card__photo { aspect-ratio: 3/4; border: 1px solid var(--line); border-radius: 5px; background: linear-gradient(160deg, var(--bg-2), var(--bg)); position: relative; overflow: hidden; display:grid; place-items:center; transition: border-color 0.4s; }
.team-card:hover .team-card__photo { border-color: var(--line-strong); }
.team-card__photo .mono { font-family: var(--f-head); font-weight: 200; font-size: 4rem; color: var(--line-strong); }
.team-card__photo::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 50% 30%, rgba(110,168,230,0.10), transparent 60%); }
.team-card h4 { font-family: var(--f-head); font-weight: 300; font-size: 1.3rem; margin-top: 20px; }
.team-card .role { font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-top: 6px; }
.team-card p { font-family: var(--f-body); font-size: 0.88rem; color: var(--text-soft); margin-top: 12px; line-height: 1.7; }

/* ============================================================
   INSIGHTS
   ============================================================ */
.ins-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 50px; }
.ins-filter button { font-family: var(--f-cap); font-size: 0.76rem; letter-spacing: 0.08em; color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 9px 18px; transition: all 0.3s; }
.ins-filter button.active, .ins-filter button:hover { color: var(--bg); background: var(--gold); border-color: var(--gold); }

.ins-feature { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(30px,5vw,60px); align-items: center; margin-bottom: 70px; padding-bottom: 70px; border-bottom: 1px solid var(--line); }
.ins-feature__img { aspect-ratio: 16/10; border-radius: 6px; border: 1px solid var(--line); background: radial-gradient(circle at 60% 40%, rgba(110,168,230,0.14), var(--bg-2)); position: relative; overflow: hidden; display:grid; place-items:center; }
.ins-feature__cat, .ins-card__cat { font-family: var(--f-cap); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }
.ins-feature h2 { font-size: clamp(1.8rem,3.4vw,2.8rem); font-weight: 300; margin: 18px 0; line-height: 1.15; }
.ins-feature p { font-family: var(--f-body); color: var(--text-soft); }
.ins-feature .meta { font-family: var(--f-cap); font-size: 0.74rem; color: var(--muted); margin-top: 22px; letter-spacing: 0.06em; }

.ins-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.ins-card { transition: transform 0.5s var(--ease); cursor: pointer; }
.ins-card:hover { transform: translateY(-6px); }
.ins-card__img { aspect-ratio: 16/11; border-radius: 5px; border: 1px solid var(--line); background: linear-gradient(160deg, var(--bg-2), var(--bg)); margin-bottom: 20px; position: relative; overflow: hidden; display:grid; place-items:center; transition: border-color 0.4s; }
.ins-card:hover .ins-card__img { border-color: var(--line-strong); }
.ins-card__img .lotus { width: 42%; opacity: 0.5; transition: opacity 0.5s, transform 0.6s var(--ease); }
.ins-card:hover .ins-card__img .lotus { opacity: 0.8; transform: scale(1.06); }
.ins-card h3 { font-family: var(--f-head); font-weight: 300; font-size: 1.35rem; margin: 12px 0; line-height: 1.25; }
.ins-card p { font-family: var(--f-body); font-size: 0.88rem; color: var(--muted); line-height: 1.7; }
.ins-card .meta { font-family: var(--f-cap); font-size: 0.72rem; color: var(--muted-2); margin-top: 16px; letter-spacing: 0.06em; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(40px,6vw,90px); align-items: start; }
.form-card { border: 1px solid var(--line); border-radius: 8px; padding: clamp(28px,4vw,48px); background: linear-gradient(180deg, rgba(143,180,212,0.025), transparent); }
.field { margin-bottom: 26px; }
.field label { font-family: var(--f-cap); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 10px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 3px;
  padding: 14px 16px; color: var(--text); font-family: var(--f-body); font-size: 0.96rem;
  transition: border-color 0.3s, background 0.3s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: var(--bg-1); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237e8b9b' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.form-note { font-family: var(--f-body); font-size: 0.84rem; color: var(--muted); margin-top: 18px; text-align: center; }

.contact-info .info-block { padding: 26px 0; border-bottom: 1px solid var(--line); }
.contact-info .info-block:first-child { padding-top: 0; }
.contact-info h5 { font-family: var(--f-cap); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.contact-info p { font-family: var(--f-body); font-size: 1rem; color: var(--text-soft); line-height: 1.7; }
.contact-info a { color: var(--text); transition: color 0.3s; }
.contact-info a:hover { color: var(--gold); }

.form-success { display: none; text-align: center; padding: 40px 10px; }
.form-success.show { display: block; }
.form-success svg { width: 56px; height: 56px; stroke: var(--gold); fill: none; margin: 0 auto 22px; }
.form-success h3 { font-family: var(--f-head); font-weight: 300; font-size: 1.8rem; }
.form-success p { font-family: var(--f-body); color: var(--text-soft); margin-top: 12px; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader { position: fixed; inset: 0; z-index: 999; background: var(--bg); display: grid; place-items: center; transition: opacity 0.8s var(--ease), visibility 0.8s; }
.preloader.done { opacity: 0; visibility: hidden; }
.preloader .pl-mark { width: 84px; height: 84px; animation: plspin 9s linear infinite; }
.preloader .pl-mark svg { width: 100%; height: 100%; }
.preloader .pl-text { position: absolute; bottom: 18%; font-family: var(--f-cap); font-size: 0.7rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--muted); }
@keyframes plspin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .pillars { grid-template-columns: 1fr; }
  .badges, .net-grid, .values { grid-template-columns: repeat(2,1fr); }
  .team, .ins-grid { grid-template-columns: repeat(2,1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .statblock { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 760px) {
  .nav__menu, .nav__lang { display: none; }
  .nav__burger { display: block; }
  .nav__cta .btn { display: none; }
  .split, .feature-row, .contact-grid, .ins-feature, .svc-item { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-row__visual { order: 0; }
  .svc-item { grid-template-columns: auto 1fr; }
  .svc-item__cta { grid-column: 1 / -1; justify-content: flex-start; }
  .badges, .net-grid, .values, .team, .ins-grid, .field-row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .mission blockquote { font-size: 1.6rem; }
  .hero__trust { gap: 12px 20px; }
  /* long bilingual CTAs wrap instead of overflowing */
  .hero__cta .btn, .cta-banner .btn, .svc-item__cta .btn { white-space: normal; text-align: center; }
  .hero__cta .btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .footer__top { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}