/* =========================================================
   兰州互盈网络科技有限公司 · 官网
   设计语言：暖米白 / 墨黑 / 哑光金 · 衬线标题 + 现代无衬线
   ========================================================= */

:root{
  --bg:        #fcfbf8;
  --bg-2:      #f5f1e9;
  --bg-3:      #eee8dc;
  --line:      rgba(28,24,17,.10);
  --line-strong: rgba(28,24,17,.20);
  --text:      #1c1914;
  --text-dim:  #565047;
  --text-faint:#8d8577;
  --gold:      #9c7a3f;
  --gold-bright:#7c6130;
  --gold-soft: rgba(156,122,63,.10);
  --serif: "Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans: "Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  --mono: "SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --ease: cubic-bezier(.22,.61,.21,1);
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background-color:var(--bg);
  background-image:
    radial-gradient(rgba(28,24,17,.028) 1px, transparent 1.4px);
  background-size:28px 28px;
  color:var(--text);
  font-family:var(--sans);
  font-weight:300;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--gold);color:#f7f2e8}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#f0ece4}
::-webkit-scrollbar-thumb{background:#cfc8ba;border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:#b7ae9d}

.container{
  width:calc(100% - clamp(40px, 6vw, 110px));
  max-width:1920px;
  margin-inline:auto;
}

/* ---------- Section base ---------- */
.section{padding:clamp(100px, 13vh, 168px) 0;border-top:1px solid var(--line)}
.section-head{margin-bottom:clamp(52px, 8vh, 96px)}
.section-head h2{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(2.2rem, 4.8vw, 4.4rem);
  line-height:1.3;
  letter-spacing:.06em;
  margin:26px 0 0;
}
.section-desc{
  color:var(--text-dim);
  max-width:52ch;
  margin-top:22px;
  font-size:15px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:16px;
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
  font-family:var(--mono);
  text-transform:uppercase;
}
.tag::before{display:none}
.tag-no{
  font-family:var(--serif);
  font-weight:600;
  font-size:17px;
  letter-spacing:.08em;
  color:var(--text);
  padding-right:16px;
  border-right:1px solid var(--line-strong);
}
.tag-text{letter-spacing:.28em;padding-left:2px}
.tag-en{
  font-style:normal;
  color:var(--text-faint);
  letter-spacing:.18em;
  font-size:11px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:17px 42px;
  font-size:13.5px;
  font-weight:400;
  letter-spacing:.22em;
  text-indent:.22em;
  border:1px solid var(--line-strong);
  border-radius:1px;
  transition:border-color .35s var(--ease), background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}
.btn-solid{background:var(--gold);border-color:var(--gold);color:#fdfbf7}
.btn-solid:hover{background:var(--gold-bright);border-color:var(--gold-bright);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px -18px rgba(124,97,48,.6)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright);transform:translateY(-2px);background:var(--gold-soft)}

/* =========================================================
   Progress bar
   ========================================================= */
.progress{
  position:fixed;top:0;left:0;z-index:200;
  width:0;height:2px;
  background:linear-gradient(90deg, var(--gold), var(--gold-bright));
  transition:width .12s linear;
}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
}
.site-header.scrolled{
  background:rgba(252,251,248,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1px solid var(--gold);
  color:var(--gold-bright);
  font-family:var(--serif);
  font-size:17px;letter-spacing:.05em;
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:3px;
  border:1px solid rgba(163,128,74,.30);
}
.brand-name{
  font-size:16px;font-weight:600;letter-spacing:.06em;
  display:flex;flex-direction:column;line-height:1.3;
}
.brand-name em{font-style:normal;font-weight:400;color:var(--text-dim)}
.brand-name small{
  font-family:var(--mono);
  font-size:9px;letter-spacing:.24em;
  color:var(--text-faint);margin-top:2px;
}

.site-nav{display:flex;align-items:center;gap:34px}
.site-nav > a{
  font-size:13.5px;letter-spacing:.1em;
  color:var(--text-dim);
  position:relative;
  transition:color .3s;
}
.site-nav > a::after{
  content:"";position:absolute;left:0;bottom:-6px;
  width:100%;height:1px;
  background:var(--gold);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.site-nav > a:hover{color:var(--text)}
.site-nav > a:hover::after{transform:scaleX(1)}
.site-nav .nav-cta{
  color:var(--gold-bright);
  border:1px solid var(--line-strong);
  padding:9px 22px;border-radius:2px;
  transition:border-color .3s, background .3s;
}
.site-nav .nav-cta::after{display:none}
.site-nav .nav-cta:hover{border-color:var(--gold);background:rgba(163,128,74,.07)}

.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:7px}
.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--text);transition:transform .3s var(--ease)}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;
  padding:140px 0 120px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:84px 84px;
  -webkit-mask-image:radial-gradient(115% 80% at 50% 15%, #000 30%, transparent 78%);
  mask-image:radial-gradient(115% 80% at 50% 15%, #000 30%, transparent 78%);
  pointer-events:none;
}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1150px 580px at 78% 10%, rgba(156,122,63,.17), transparent 62%),
    radial-gradient(950px 560px at 6% 92%, rgba(238,231,216,.95), transparent 70%);
  transition:background .2s linear;
}
.hero::after{
  content:"HUYING";
  position:absolute;right:-.06em;bottom:9vh;
  font-family:var(--serif);
  font-size:clamp(7rem, 20vw, 21rem);
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(28,24,17,.055);
  pointer-events:none;
  user-select:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:clamp(40px, 6vw, 84px);
  align-items:center;
}
.hero-content{max-width:780px}

/* —— 系统监控面板 —— */
.hero-panel{
  background:#0d0f12;
  border:1px solid rgba(156,122,63,.5);
  border-radius:10px;
  box-shadow:0 34px 70px -32px rgba(28,24,17,.45);
  padding:0;
  font-family:var(--mono);
  overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 260px at 85% -10%, rgba(156,122,63,.14), transparent 70%);
  pointer-events:none;
}
.hp-head{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  padding:13px 18px;
  border-bottom:1px solid rgba(233,231,226,.09);
  background:rgba(10,12,16,.5);
}
.hp-dots{display:flex;gap:6px}
.hp-dots i{width:8px;height:8px;border-radius:50%}
.hp-dots i:nth-child(1){background:#43382a}
.hp-dots i:nth-child(2){background:#7c6130}
.hp-dots i:nth-child(3){background:#54794a}
.hp-title{font-size:11px;letter-spacing:.24em;color:var(--gold);justify-self:center}
.hp-status{justify-self:end}
.hp-status{
  font-size:11px;letter-spacing:.06em;color:#7fb069;
  display:inline-flex;align-items:center;gap:7px;
}
.hp-status i{
  width:6px;height:6px;border-radius:50%;
  background:#7fb069;
  animation:blink 1.6s steps(1) infinite;
}
.hp-topo{padding:0 18px}
.hp-topo svg{width:100%;height:auto;display:block;margin:6px 0 4px}
.nodes circle{fill:var(--gold);animation:pulse 2.6s ease-in-out infinite}
.nodes circle:nth-child(odd){animation-delay:1.3s}
.hp-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding:16px 18px 0;
  border-top:1px solid rgba(233,231,226,.09);
}
.hp-m span{display:block;font-size:10px;color:#8b8377;letter-spacing:.12em}
.hp-m b{
  display:block;margin-top:4px;
  font-size:15px;font-weight:600;color:var(--gold-bright);
  font-family:var(--mono);
}
.hp-term{
  margin:16px 18px 20px;
  background:#0a0c10;
  border:1px solid rgba(233,231,226,.09);
  border-radius:6px;
  padding:12px 14px;
  font-size:11.5px;
  letter-spacing:.02em;
}
.t-line{display:flex;align-items:center;gap:8px;color:#e9e7e2}
.t-arrow{color:var(--gold)}
.t-caret{
  width:7px;height:13px;
  background:var(--gold);
  animation:blink 1s steps(2) infinite;
}
.t-out{color:#7fb069;margin-top:6px}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes blink{50%{opacity:0}}

.hero-eyebrow{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.36em;
  color:var(--gold-bright);
  margin-bottom:36px;
  display:flex;align-items:center;gap:18px;
  text-indent:.36em;
}
.hero-eyebrow::after{content:"";width:76px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.hero-title{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(3.2rem, 9.5vw, 8.8rem);
  line-height:1.08;
  letter-spacing:.05em;
}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hero-title .line-inner{
  display:block;
  transform:translateY(112%);
  animation:riseUp 1.1s var(--ease) forwards;
}
.hero-title .line:nth-child(2) .line-inner{animation-delay:.15s}
.hero-title .gold{
  color:var(--gold-bright);
  font-style:normal;
}
.hero-sub{
  margin-top:42px;
  max-width:60ch;
  color:var(--text-dim);
  font-size:17.5px;
  font-weight:300;
  line-height:2;
}
.hero-actions{margin-top:56px;display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{
  margin-top:22px;
  display:flex;flex-wrap:wrap;gap:14px 34px;
  font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;
  color:var(--text-faint);
}
.hero-meta span{display:inline-flex;align-items:center;gap:12px}
.hero-meta span::before{
  content:"";
  width:5px;height:5px;
  background:var(--gold);
  transform:rotate(45deg);
}
@keyframes riseUp{to{transform:translateY(0)}}

.hero-stats{
  grid-column:1/-1;
  margin-top:clamp(72px, 10vh, 120px);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(156,122,63,.45);
  border-bottom:1px solid var(--line);
}
.stat{padding:32px 0;border-left:1px solid var(--line);padding-left:28px}
.stat:first-child{border-left:0;padding-left:0}
.stat dt{
  font-size:11.5px;letter-spacing:.22em;
  color:var(--text-faint);
  font-family:var(--mono);
}
.stat dd{
  margin-top:12px;
  font-family:var(--serif);
  font-size:clamp(2rem, 3.6vw, 3.4rem);
  line-height:1;
  color:var(--text);
  font-variant-numeric:tabular-nums;
}
.stat i{
  font-style:normal;
  font-size:.52em;
  color:var(--gold);
  margin-left:6px;
}

.hero-scroll{
  position:absolute;left:50%;bottom:34px;
  transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  color:var(--text-faint);
  font-size:11px;letter-spacing:.24em;
  font-family:var(--mono);
  z-index:2;
}
.scroll-line{width:1px;height:52px;background:var(--line-strong);position:relative;overflow:hidden}
.scroll-line i{
  position:absolute;left:0;top:-50%;
  width:100%;height:50%;
  background:var(--gold);
  animation:scrollDrop 2.2s var(--ease) infinite;
}
@keyframes scrollDrop{
  0%{top:-50%}
  55%,100%{top:110%}
}

/* =========================================================
   Services
   ========================================================= */
.service-list{list-style:none}
.service-item{border-top:1px solid var(--line)}
.service-item:last-child{border-bottom:1px solid var(--line)}
.service-item a{
  display:grid;
  grid-template-columns:minmax(130px,170px) 1fr minmax(0,560px) 48px;
  align-items:center;
  gap:clamp(24px, 3vw, 52px);
  padding:clamp(34px, 5vh, 52px) 18px;
  transition:background .35s var(--ease), padding-left .35s var(--ease);
  position:relative;
}
.service-item a::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:2px;background:var(--gold);
  transform:scaleY(0);transform-origin:top;
  transition:transform .45s var(--ease);
}
.service-item a:hover{background:rgba(28,24,17,.028);padding-left:30px}
.service-item a:hover::before{transform:scaleY(1)}
.service-no{
  font-family:var(--serif);
  font-weight:600;
  font-size:20px;color:var(--gold);
  letter-spacing:.12em;
}
.service-no::after{
  content:"";
  display:block;
  width:34px;height:1px;
  margin-top:8px;
  background:var(--line-strong);
  transition:width .4s var(--ease), background .4s var(--ease);
}
.service-item a:hover .service-no::after{width:56px;background:var(--gold)}
.service-item h3{
  font-family:var(--serif);
  font-size:clamp(1.3rem, 2.1vw, 1.9rem);
  font-weight:600;
  letter-spacing:.04em;
}
.service-item p{color:var(--text-dim);font-size:15px;font-weight:300}
.service-arrow{
  font-size:24px;color:var(--text-faint);
  transition:color .3s, transform .35s var(--ease);
  justify-self:end;
}
.service-item a:hover .service-arrow{color:var(--gold-bright);transform:translateX(8px)}

/* =========================================================
   Works
   ========================================================= */
.works{background:var(--bg-2)}
.case-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:clamp(44px, 6vw, 88px) clamp(32px, 4.5vw, 64px);
}
.case-media{
  border:1px solid var(--line-strong);
  border-radius:6px;
  background:var(--bg);
  box-shadow:0 1px 2px rgba(28,24,17,.04), 0 22px 48px -30px rgba(28,24,17,.24);
  transition:border-color .45s var(--ease), transform .45s var(--ease), box-shadow .45s var(--ease);
}
.case:hover .case-media{border-color:rgba(156,122,63,.6);transform:translateY(-6px);box-shadow:0 2px 4px rgba(28,24,17,.05), 0 32px 60px -32px rgba(28,24,17,.3)}
.case-no{font-family:var(--serif);font-weight:600;font-size:15px;color:var(--gold)}

/* —— 界面示意为深色"截图"，与亮色页面形成相框式对比 —— */
.mockup{border-radius:3px;overflow:hidden;background:#0a0c10}
.mock-bar{
  display:flex;align-items:center;gap:6px;
  padding:10px 14px;
  border-bottom:1px solid rgba(233,231,226,.09);
  background:#0d1014;
}
.mock-bar span{width:8px;height:8px;border-radius:50%;background:#2b313a}
.mock-bar span:first-child{background:#3a2f22}
.mock-bar em{
  margin-left:auto;
  font-style:normal;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.08em;
  color:#6f6b64;
}
.mock-body{padding:20px}
.m-nav{height:10px;width:42%;background:rgba(233,231,226,.05);border-radius:2px;margin-bottom:22px}
.m-hero{padding:6px 0}
.m-title{display:block;height:24px;width:58%;background:rgba(179,145,95,.32);border-radius:2px;margin-bottom:16px}
.m-line{display:block;height:8px;background:rgba(233,231,226,.07);border-radius:2px;margin:10px 0}
.w70{width:70%}.w80{width:80%}.w90{width:90%}.w60{width:60%}.w55{width:55%}.w50{width:50%}.w40{width:40%}
.m-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.m-cards i,.m-rows i{
  height:46px;border-radius:3px;
  background:rgba(233,231,226,.035);
  border:1px solid rgba(233,231,226,.09);
}
.m-cards.two{grid-template-columns:repeat(2,1fr)}
.m-rows{display:grid;gap:10px;margin-top:20px}
.m-rows i{height:38px}
.m-rows.big i{height:44px}

.mock-02{max-width:250px;margin-inline:auto}
.mock-02 .mock-body{padding:18px}
.m-top{height:44px;border-radius:3px;background:rgba(179,145,95,.14);margin-bottom:16px}
.m-tile{height:120px;border-radius:4px;background:linear-gradient(rgba(233,231,226,.05), rgba(233,231,226,.02));border:1px solid rgba(233,231,226,.09);margin-bottom:14px}
.m-cta{height:42px;border-radius:3px;background:rgba(179,145,95,.5);margin-top:18px}

.mock-03 .m-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}
.mock-03 .m-stats i{height:40px;border-radius:3px;background:rgba(233,231,226,.035);border:1px solid rgba(233,231,226,.09)}
.m-chart{
  height:96px;margin:16px 0 20px;
  border-radius:3px;
  background-image:
    repeating-linear-gradient(90deg, rgba(179,145,95,.4) 0 3px, transparent 3px 16px);
  background-position:left bottom;
  background-size:auto 60%;
  background-repeat:no-repeat;
  border:1px solid rgba(233,231,226,.09);
}

.mock-04 .mock-body{display:grid;grid-template-columns:64px 1fr;gap:18px}
.m-sidebar{height:150px;border-radius:3px;background:rgba(233,231,226,.03);border:1px solid rgba(233,231,226,.09)}
.m-main{padding-top:4px}

.case-meta{
  display:flex;align-items:center;gap:22px;
  padding:22px 4px 0;
}
.case-info{flex:1}
.case-info h3{font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.02em}
.case-info p{font-size:12.5px;color:var(--text-dim);letter-spacing:.06em;margin-top:3px}
.case-year{
  font-family:var(--mono);
  font-size:11px;letter-spacing:.1em;
  color:var(--text-faint);
  border:1px solid var(--line-strong);
  padding:4px 10px;border-radius:2px;
}

/* =========================================================
   Approach
   ========================================================= */
.approach-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  list-style:none;
}
.approach-list li{
  background:var(--bg);
  padding:46px 34px 52px;
  transition:background .35s var(--ease);
  position:relative;
}
.approach-list li::before{
  content:"";position:absolute;left:0;top:0;right:0;
  height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.approach-list li:hover{background:var(--bg-3)}
.approach-list li:hover::before{transform:scaleX(1)}
.a-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;
  border:1px solid var(--line-strong);
  border-radius:50%;
  font-family:var(--serif);
  font-weight:600;
  font-size:15px;color:var(--gold-bright);
  letter-spacing:.08em;
  transition:border-color .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.approach-list li:hover .a-no{border-color:var(--gold);background:var(--gold-soft);color:var(--gold-bright)}
.approach-list h3{
  font-family:var(--serif);
  font-size:21px;font-weight:600;
  margin:22px 0 14px;letter-spacing:.04em;
}
.approach-list p{font-size:14px;color:var(--text-dim);font-weight:300}

/* =========================================================
   About
   ========================================================= */
.about{background:var(--bg-2)}
.about-grid{
  display:grid;
  grid-template-columns:minmax(0,460px) minmax(0,1fr);
  gap:clamp(48px, 8vw, 110px);
}
.about .section-head{margin-bottom:0}
.about-body{position:relative;padding-bottom:clamp(56px, 8vh, 104px)}
.about-body::after{
  content:"盈";
  position:absolute;right:-.04em;bottom:0;
  font-family:var(--serif);
  font-size:clamp(7rem, 15vw, 13rem);
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(28,24,17,.05);
  pointer-events:none;
  z-index:0;
}
.about-body > *{position:relative;z-index:1}
.code-block{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.02em;
  color:#d8d5cf;
  background:#0d0f12;
  border:1px solid rgba(163,128,74,.35);
  border-left:3px solid var(--gold);
  border-radius:4px;
  padding:14px 18px;
  margin-bottom:34px;
  display:inline-block;
  max-width:100%;
  overflow-x:auto;
}
.c-prompt{color:var(--gold);margin-right:10px}
.c-ok{color:#7fb069;margin-left:4px}
.about-body .lead{
  font-family:var(--serif);
  font-size:clamp(1.15rem, 1.9vw, 1.4rem);
  line-height:1.9;
  color:var(--text);
  letter-spacing:.02em;
}
.about-body > p{color:var(--text-dim);margin-top:24px;max-width:60ch}

.principles{list-style:none;margin-top:44px;border-top:1px solid var(--line)}
.principles li{
  display:flex;align-items:baseline;gap:22px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.p-no{font-family:var(--serif);font-size:13px;color:var(--gold)}
.principles p{font-size:15px;letter-spacing:.04em}

.about-meta{
  margin-top:48px;padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:40px 64px;
}
.am-item{display:flex;flex-direction:column}
.am-label{
  font-family:var(--mono);
  font-size:11px;letter-spacing:.18em;
  color:var(--text-faint);
}
.am-value{
  margin-top:6px;
  font-family:var(--serif);
  font-size:15px;letter-spacing:.04em;
  color:var(--text);
}
.sign{
  font-family:var(--serif);
  font-size:14px;color:var(--text-faint);
  letter-spacing:.12em;
  margin-top:44px !important;
}

/* =========================================================
   Contact
   ========================================================= */
.contact-intro{
  max-width:56ch;
  margin-bottom:40px;
  color:var(--text-dim);
  font-size:15.5px;
  letter-spacing:.02em;
}
.contact-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.contact-btn{
  background:var(--bg);
  padding:50px 42px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:14px 24px;
  transition:background .35s var(--ease);
  position:relative;
}
.contact-btn::before{
  content:"";position:absolute;left:0;right:0;top:0;
  height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.contact-btn:hover{background:var(--bg-3)}
.contact-btn:hover::before{transform:scaleX(1)}
.cb-label{
  grid-column:1;
  font-size:12px;letter-spacing:.2em;
  color:var(--text-faint);
  font-family:var(--mono);
}
.cb-value{
  grid-column:1;
  font-family:var(--serif);
  font-size:clamp(1.2rem, 2.2vw, 1.9rem);
  letter-spacing:.03em;
  color:var(--text);
  transition:color .3s;
}
.contact-btn:hover .cb-value{color:var(--gold-bright)}
.cb-arrow{
  grid-column:2;grid-row:1/3;
  align-self:center;
  font-size:26px;color:var(--text-faint);
  transition:color .3s, transform .35s var(--ease);
}
.contact-btn:hover .cb-arrow{color:var(--gold-bright);transform:translateX(6px)}
.contact-note{
  margin-top:26px;
  font-size:12px;color:var(--text-faint);
  letter-spacing:.04em;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  border-top:1px solid rgba(156,122,63,.4);
  padding:76px 0 48px;
  background:var(--bg);
}
.footer-inner{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:18px}
.footer-brand p{font-family:var(--serif);color:var(--text-dim);letter-spacing:.12em;font-size:14px}
.footer-nav{display:flex;gap:34px}
.footer-nav a{font-size:13px;color:var(--text-dim);letter-spacing:.12em;transition:color .3s}
.footer-nav a:hover{color:var(--gold-bright)}
.footer-copy{
  text-align:right;
  font-size:12px;color:var(--text-faint);
  line-height:2.1;letter-spacing:.08em;
}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay:var(--d, 0s);
}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  .hero-title .line-inner{transform:none}
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .service-item a{grid-template-columns:60px 1fr minmax(0,300px) 30px;gap:18px}
  .approach-list{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr}
  .hero-panel{max-width:560px}
}
@media (max-width:900px){
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container{width:calc(100% - 40px)}

  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;
    top:76px;left:0;right:0;bottom:0;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:0;
    background:rgba(252,251,248,.98);
    padding:24px 20px 40px;
    opacity:0;visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
  }
  body.nav-open .site-nav{opacity:1;visibility:visible;transform:none}
  .site-nav > a{
    width:100%;
    font-size:17px;letter-spacing:.14em;
    padding:18px 0;
    border-bottom:1px solid var(--line);
    color:var(--text);
  }
  .site-nav > a::after{display:none}
  .site-nav .nav-cta{
    border:1px solid var(--gold);
    color:var(--gold-bright);
    text-align:center;
    margin-top:28px;
    padding:14px;
  }
  .nav-toggle span:nth-child(1){transform-origin:center}
  .nav-toggle span:nth-child(2){transform-origin:center}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(4px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg)}
  body.nav-open .nav-toggle{position:relative;z-index:101}

  .hero{min-height:auto;padding:130px 0 110px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:0}
  .stat{padding-left:16px}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .hero-scroll{display:none}
  .hero::after{font-size:7rem;bottom:6vh}

  .service-item a{grid-template-columns:44px 1fr 20px;gap:14px}
  .service-item p{grid-column:2/4}
  .case-grid{grid-template-columns:1fr}
  .approach-list{grid-template-columns:1fr}
  .contact-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
  .footer-copy{text-align:left}
}
@media (max-width:420px){
  .brand-name small{display:none}
  .stat dd{font-size:1.5rem}
}