/* ==========================================================
   Gearbox Repair Columbus — Industrial design system
   ========================================================== */
:root{
  --navy:#12283B; --orange:#E68A25; --orange-d:#A9590F; --charcoal:#27343D;
  --midnight:#0B1926; --steel:#EFF3F6; --white:#FFFFFF; --silver:#A8B5C1;
  --ink:#16232E; --muted:#4B5B68; --line:#D5DDE4; --line-dk:rgba(168,181,193,.18);
  --ff-h:"Space Grotesk","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  --ff-b:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --ff-m:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1240px; --r:4px; --ease:cubic-bezier(.22,.8,.26,1);
  --shadow:0 18px 40px -22px rgba(11,25,38,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;font-family:var(--ff-b);font-size:1.0625rem;line-height:1.7;color:var(--ink);background:var(--white);overflow-x:hidden;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-family:var(--ff-h);line-height:1.12;letter-spacing:-.02em;margin:0 0 .6em;color:inherit;font-weight:700}
h1{font-size:clamp(2.25rem,5.4vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.3vw,2.6rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.35rem);letter-spacing:-.01em}
p{margin:0 0 1.1em}
a{color:var(--orange-d);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--navy)}
ul,ol{padding-left:1.25em;margin:0 0 1.2em}
li{margin-bottom:.4em}
strong{font-weight:650}
svg{display:block}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:2px}
.wrap{width:min(100% - 32px,var(--wrap));margin-inline:auto}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:200;background:var(--orange);color:var(--midnight);padding:10px 16px;font-weight:700;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow{font-family:var(--ff-m);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange-d);display:inline-flex;align-items:center;gap:.7em;margin-bottom:1.1rem;font-weight:600}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.dark .eyebrow,.hero .eyebrow,.page-hero .eyebrow{color:var(--orange)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,25,38,.97);border-bottom:1px solid rgba(230,138,37,.35);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 10px 30px -12px rgba(0,0,0,.6)}
@supports (backdrop-filter:blur(8px)){.site-header{background:rgba(11,25,38,.9);backdrop-filter:blur(10px)}}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white)}
.brand:hover{color:var(--white)}
.brand svg{width:40px;height:40px;flex:none;transition:transform .8s var(--ease)}
.brand:hover svg{transform:rotate(30deg)}
.brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand-txt b{font-family:var(--ff-h);font-size:1.12rem;letter-spacing:.01em}
.brand-txt span{font-family:var(--ff-m);font-size:.66rem;letter-spacing:.24em;color:var(--orange);margin-top:4px}
.nav{display:flex;align-items:center;gap:4px}
.nav>ul{display:flex;list-style:none;margin:0;padding:0;align-items:center;gap:2px}
.nav li{margin:0;position:relative}
.nav a.nl,.nav .dd-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;color:#D9E1E8;text-decoration:none;font-size:.92rem;font-weight:500;font-family:var(--ff-b);background:none;border:0;cursor:pointer;position:relative}
.nav a.nl::after,.nav .dd-btn::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a.nl:hover,.nav .dd-btn:hover{color:var(--white)}
.nav a.nl:hover::after,.nav a.nl[aria-current="page"]::after,.nav .dd-btn:hover::after,.nav .dd-btn.is-current::after{transform:scaleX(1)}
.nav a.nl[aria-current="page"],.nav .dd-btn.is-current{color:var(--white)}
.dd-btn svg{width:10px;height:10px;transition:transform .3s}
.dd{position:absolute;top:calc(100% + 6px);left:-8px;min-width:290px;background:var(--midnight);border:1px solid var(--line-dk);border-top:2px solid var(--orange);padding:8px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s,transform .25s var(--ease),visibility .25s;box-shadow:var(--shadow)}
.dd a{display:block;padding:10px 12px;color:#D9E1E8;text-decoration:none;font-size:.9rem;border-left:2px solid transparent;transition:background .2s,border-color .2s,color .2s}
.dd a:hover,.dd a[aria-current="page"]{background:rgba(230,138,37,.08);border-left-color:var(--orange);color:var(--white)}
.dd a small{display:block;color:var(--silver);font-size:.76rem;margin-top:2px}
.has-dd:hover .dd,.has-dd:focus-within .dd,.has-dd.open .dd{opacity:1;visibility:visible;transform:none}
.has-dd.open .dd-btn svg{transform:rotate(180deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--ff-h);font-weight:600;font-size:.98rem;letter-spacing:.01em;padding:14px 24px;border-radius:var(--r);text-decoration:none;border:2px solid transparent;cursor:pointer;position:relative;overflow:hidden;transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;isolation:isolate;min-height:48px}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:var(--midnight)}
.btn-primary::before{content:"";position:absolute;inset:0;background:#F4A24A;transform:translateX(-101%);transition:transform .4s var(--ease);z-index:-1}
.btn-primary:hover{color:var(--midnight);transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(230,138,37,.8)}
.btn-primary:hover::before{transform:none}
.btn-ghost{border-color:rgba(255,255,255,.35);color:var(--white);background:transparent}
.btn-ghost:hover{border-color:var(--orange);color:var(--white);transform:translateY(-2px)}
.btn-dark{background:var(--navy);color:var(--white)}
.btn-dark:hover{background:var(--midnight);color:var(--white);transform:translateY(-2px)}
.btn-line{border-color:var(--navy);color:var(--navy)}
.btn-line:hover{background:var(--navy);color:var(--white);transform:translateY(-2px)}
.hdr-cta{padding:11px 18px;font-size:.9rem;min-height:44px;margin-left:8px}
.menu-btn{display:none;width:48px;height:48px;border:1px solid var(--line-dk);background:transparent;border-radius:var(--r);cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:13px;right:13px;height:2px;background:var(--white);transition:transform .35s var(--ease),opacity .2s}
.menu-btn span:nth-child(1){top:16px}.menu-btn span:nth-child(2){top:23px}.menu-btn span:nth-child(3){top:30px}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Blueprint grid backgrounds ---------- */
.grid-bg{position:relative;overflow:hidden;isolation:isolate}
.grid-bg::before{content:"";position:absolute;inset:-80px;z-index:-1;pointer-events:none;
  background-image:
   linear-gradient(rgba(168,181,193,.09) 1px,transparent 1px),
   linear-gradient(90deg,rgba(168,181,193,.09) 1px,transparent 1px),
   linear-gradient(rgba(168,181,193,.045) 1px,transparent 1px),
   linear-gradient(90deg,rgba(168,181,193,.045) 1px,transparent 1px);
  background-size:80px 80px,80px 80px,16px 16px,16px 16px;
  animation:gridDrift 60s linear infinite}
.grid-bg::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 75% 40%,rgba(230,138,37,.10),transparent 55%),radial-gradient(ellipse at 10% 90%,rgba(18,40,59,.9),transparent 60%)}
@keyframes gridDrift{to{transform:translate3d(80px,80px,0)}}

/* ---------- Home hero ---------- */
.hero{background:var(--midnight);color:var(--white);padding:clamp(56px,9vw,120px) 0 clamp(56px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero h1{color:var(--white);margin-bottom:.35em}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .sub{font-family:var(--ff-h);font-size:clamp(1.1rem,1.8vw,1.4rem);color:#DCE4EA;margin-bottom:1rem;font-weight:500}
.hero .desc{color:var(--silver);max-width:60ch;font-size:1.06rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid var(--line-dk)}
.hero-meta div{padding:16px 22px 0 0;margin-right:22px;font-family:var(--ff-m);font-size:.74rem;letter-spacing:.14em;color:var(--silver);text-transform:uppercase}
.hero-meta b{display:block;font-family:var(--ff-h);font-size:1rem;letter-spacing:0;text-transform:none;color:var(--white);margin-top:4px;font-weight:600}
.hero-art{position:relative;aspect-ratio:1/1;max-width:520px;margin-inline:auto;width:100%}
.hero-art svg{width:100%;height:100%;overflow:visible}
.gear-a{transform-box:fill-box;transform-origin:center;animation:spin 96s linear infinite}
.gear-b{transform-box:fill-box;transform-origin:center;animation:spin 56s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero .in-1,.hero .in-2,.hero .in-3,.hero .in-4,.page-hero .in-1,.page-hero .in-2,.page-hero .in-3{animation:heroIn .9s var(--ease) both}
.in-2{animation-delay:.12s!important}.in-3{animation-delay:.24s!important}.in-4{animation-delay:.36s!important}
@keyframes heroIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* ---------- Page hero (internal) ---------- */
.page-hero{background:var(--navy);color:var(--white);padding:clamp(40px,6vw,80px) 0 clamp(48px,6vw,84px)}
.page-hero .ph-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(24px,4vw,56px);align-items:end}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.6rem);color:var(--white);max-width:20ch}
.page-hero .lead{color:#C9D3DC;font-size:1.1rem;max-width:62ch;margin:0}
.crumbs{margin-bottom:30px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px;font-family:var(--ff-m);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase}
.crumbs li{margin:0;color:var(--silver);display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"/";color:var(--orange)}
.crumbs a{color:var(--silver);text-decoration:none}
.crumbs a:hover{color:var(--white)}
.crumbs [aria-current]{color:var(--white)}

/* Nameplate (signature element) */
.plate{position:relative;background:linear-gradient(160deg,#1B3448 0%,#14293A 60%,#0F2231 100%);border:1px solid rgba(168,181,193,.28);padding:22px 24px 18px;border-radius:3px;font-family:var(--ff-m);font-size:.78rem;color:var(--silver);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow)}
.plate::before,.plate::after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#C9D3DC,#5E6E7B);top:9px;left:9px;box-shadow:calc(100% + 0px) 0 0 0 transparent}
.plate::after{left:auto;right:9px}
.plate .rv-b{position:absolute;width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#C9D3DC,#5E6E7B);bottom:9px}
.plate .rv-b.l{left:9px}.plate .rv-b.r{right:9px}
.plate-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(168,181,193,.25);padding:0 0 10px;margin:0 6px 10px;letter-spacing:.2em;color:var(--orange);font-weight:600;text-transform:uppercase;font-size:.72rem}
.plate dl{margin:0 6px;display:grid;grid-template-columns:auto 1fr;gap:7px 16px}
.plate dt{text-transform:uppercase;letter-spacing:.14em;font-size:.68rem;padding-top:2px}
.plate dd{margin:0;color:var(--white);font-size:.8rem}

/* ---------- Sections ---------- */
.section{padding:clamp(64px,9vw,120px) 0;position:relative}
.section.tight{padding:clamp(48px,6vw,80px) 0}
.steel{background:var(--steel)}
.dark{background:var(--midnight);color:#DCE4EA}
.dark h2,.dark h3{color:var(--white)}
.dark p{color:#B9C5CF}
.dark a{color:var(--orange)}
.dark a:hover{color:var(--white)}
.navy{background:var(--navy);color:#DCE4EA}
.navy h2,.navy h3{color:var(--white)}
.navy p{color:#C1CCD5}
.sec-head{display:grid;grid-template-columns:auto 1fr;gap:clamp(16px,3vw,40px);align-items:start;margin-bottom:clamp(32px,5vw,56px)}
.sec-num{font-family:var(--ff-h);font-weight:700;font-size:clamp(3.4rem,8vw,6.4rem);line-height:.82;color:transparent;-webkit-text-stroke:1.5px var(--orange);letter-spacing:-.04em;min-width:1.4em}
.sec-head h2{margin-bottom:.35em;max-width:22ch}
.sec-head .lead{color:var(--muted);max-width:64ch;margin:0;font-size:1.08rem}
.dark .sec-head .lead,.navy .sec-head .lead{color:#AEBBC6}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px)}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:start}

/* Divider */
.divider{height:1px;background:var(--line);position:relative;overflow:hidden}
.dark+.divider,.divider.dk{background:var(--line-dk)}
.divider::after{content:"";position:absolute;top:0;left:0;height:1px;width:22%;background:linear-gradient(90deg,transparent,var(--orange),transparent);animation:sweep 7s var(--ease) infinite}
@keyframes sweep{from{transform:translateX(-100%)}to{transform:translateX(560%)}}
.tick-rule{display:flex;align-items:center;gap:14px;font-family:var(--ff-m);font-size:.72rem;letter-spacing:.2em;color:var(--silver);text-transform:uppercase;margin:0 0 18px}
.tick-rule::after{content:"";flex:1;height:8px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 12px);border-bottom:1px solid var(--line)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--white);border:1px solid var(--line);padding:30px 28px 28px;border-radius:var(--r);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;display:flex;flex-direction:column}
.card::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.card::after{content:"";position:absolute;left:-1px;bottom:-1px;width:3px;top:-1px;background:var(--orange);transform:scaleY(0);transform-origin:top;transition:transform .5s .1s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#C3CED7}
.card:hover::before{transform:scaleX(1)}
.card:hover::after{transform:scaleY(1)}
.card .c-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}
.card .ico{width:52px;height:52px;border:1px solid var(--line);display:grid;place-items:center;color:var(--navy);border-radius:50%;transition:background .35s,color .35s,border-color .35s}
.card:hover .ico{background:var(--navy);color:var(--orange);border-color:var(--navy)}
.card .ico svg{width:24px;height:24px}
.card .c-no{font-family:var(--ff-m);font-size:.74rem;color:var(--silver);letter-spacing:.14em}
.card h3{margin-bottom:.5em}
.card p{color:var(--muted);font-size:.98rem}
.card .more{margin-top:auto;font-family:var(--ff-h);font-weight:600;font-size:.94rem;color:var(--navy);text-decoration:none;display:inline-flex;align-items:center;gap:8px;padding-top:8px}
.card .more svg{width:15px;height:15px;transition:transform .3s var(--ease);color:var(--orange-d)}
.card .more:hover{color:var(--orange-d)}
.card .more:hover svg{transform:translateX(5px)}
.card .stretch::after{content:"";position:absolute;inset:0;z-index:1}
.dark .card,.navy .card{background:rgba(255,255,255,.03);border-color:var(--line-dk)}
.dark .card p,.navy .card p{color:#AEBBC6}
.dark .card .ico,.navy .card .ico{border-color:var(--line-dk);color:var(--orange)}
.dark .card:hover,.navy .card:hover{border-color:rgba(230,138,37,.45)}
.dark .card .more,.navy .card .more{color:var(--white)}

/* Feature list (engineering approach) */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-dk);border-left:1px solid var(--line-dk)}
.feat>div{padding:30px 28px;border-right:1px solid var(--line-dk);border-bottom:1px solid var(--line-dk);position:relative;transition:background .35s}
.feat>div:hover{background:rgba(230,138,37,.05)}
.feat .f-k{font-family:var(--ff-m);font-size:.72rem;letter-spacing:.18em;color:var(--orange);display:block;margin-bottom:14px}
.feat h3{font-size:1.15rem}
.feat p{font-size:.96rem;margin:0}

/* Symptom grid */
.symptoms{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.sym{background:var(--white);padding:26px 24px;transition:background .3s}
.sym:hover{background:#FBFCFD}
.sym .s-ico{display:block;width:34px;height:34px;color:var(--orange-d);margin-bottom:14px}.sym .s-ico svg{width:100%;height:100%}
.sym h3{font-size:1.05rem;margin-bottom:.45em}
.sym p{font-size:.93rem;color:var(--muted);margin:0}

/* Timeline */
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:st;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:27px;height:2px;background:repeating-linear-gradient(90deg,var(--silver) 0 6px,transparent 6px 12px);opacity:.5}
.timeline li{position:relative;padding:0 22px 0 0;margin:0}
.timeline .t-dot{width:56px;height:56px;border-radius:50%;background:var(--midnight);border:2px solid var(--orange);display:grid;place-items:center;font-family:var(--ff-h);font-weight:700;color:var(--orange);position:relative;z-index:1;margin-bottom:22px;transition:background .35s,color .35s,transform .35s var(--ease)}
.timeline li:hover .t-dot{background:var(--orange);color:var(--midnight);transform:scale(1.08)}
.timeline h3{font-size:1.12rem}
.timeline p{font-size:.95rem;margin:0}
.steel .timeline .t-dot,.section:not(.dark):not(.navy) .timeline .t-dot{background:var(--white)}
.steel .timeline li:hover .t-dot{background:var(--orange)}

/* Interactive process stepper */
.stepper{display:grid;grid-template-columns:320px 1fr;gap:clamp(20px,4vw,48px);align-items:start}
.step-tabs{list-style:none;margin:0;padding:0;border-left:2px solid var(--line-dk)}
.step-tabs li{margin:0}
.step-tabs button{width:100%;text-align:left;background:none;border:0;color:#AEBBC6;font-family:var(--ff-h);font-size:1rem;font-weight:600;padding:16px 18px;cursor:pointer;display:flex;gap:14px;align-items:center;position:relative;transition:color .25s,background .25s;margin-left:-2px;border-left:2px solid transparent}
.step-tabs button span{font-family:var(--ff-m);font-size:.74rem;color:var(--silver)}
.step-tabs button:hover{color:var(--white);background:rgba(255,255,255,.03)}
.step-tabs button[aria-selected="true"]{color:var(--white);border-left-color:var(--orange);background:rgba(230,138,37,.07)}
.step-tabs button[aria-selected="true"] span{color:var(--orange)}
.step-panel{border:1px solid var(--line-dk);padding:clamp(24px,3.4vw,40px);background:rgba(255,255,255,.02);position:relative;min-height:280px}
.step-panel .p-no{position:absolute;right:24px;top:10px;font-family:var(--ff-h);font-size:5rem;font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(230,138,37,.35);line-height:1}
.step-panel[hidden]{display:none}
.js .step-panel.anim{animation:panelIn .5s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
.no-js .step-tabs{display:none}
.no-js .stepper{grid-template-columns:1fr}
.no-js .step-panel[hidden]{display:block}
.no-js .step-panel+.step-panel{margin-top:16px}

/* ---------- Article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(32px,5vw,72px);align-items:start}
.article h2{font-size:clamp(1.45rem,2.6vw,2rem);margin-top:2.2em;padding-top:1.1em;border-top:1px solid var(--line);position:relative}
.article h2::before{content:"";position:absolute;left:0;top:-1px;width:56px;height:3px;background:var(--orange)}
.article h2:first-child{margin-top:0}
.article h3{margin-top:1.6em}
.article p,.article li{color:#2C3A45}
.article ul li::marker{color:var(--orange-d)}
.article .lede{font-size:1.18rem;color:var(--charcoal);line-height:1.65}
.callout{border:1px solid var(--line);border-left:4px solid var(--orange);background:var(--steel);padding:22px 24px;margin:1.6em 0;border-radius:0 var(--r) var(--r) 0}
.callout .c-lbl{font-family:var(--ff-m);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange-d);display:block;margin-bottom:6px;font-weight:600}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.spec{width:100%;border-collapse:collapse;margin:1.4em 0 1.8em;font-size:.95rem}
.spec caption{text-align:left;font-family:var(--ff-m);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-bottom:10px}
.spec th,.spec td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.spec thead th{background:var(--navy);color:var(--white);font-family:var(--ff-h);font-weight:600;font-size:.9rem}
.spec tbody tr:nth-child(even){background:#F8FAFB}
.spec tbody th{font-weight:600;color:var(--navy);width:28%}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.aside{position:sticky;top:104px;display:grid;gap:20px}
.toc{border:1px solid var(--line);padding:22px 22px 14px;background:var(--white)}
.toc .t-lbl,.aside-box .t-lbl{font-family:var(--ff-m);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:12px}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc}
.toc li{margin:0;counter-increment:toc}
.toc a{display:flex;gap:10px;padding:7px 0;font-size:.9rem;color:var(--charcoal);text-decoration:none;border-bottom:1px dashed var(--line);line-height:1.4;transition:color .2s,padding .25s var(--ease)}
.toc a::before{content:counter(toc,decimal-leading-zero);font-family:var(--ff-m);font-size:.72rem;color:var(--orange-d);padding-top:2px}
.toc a:hover,.toc a.active{color:var(--orange-d);padding-left:4px}
.toc li:last-child a{border-bottom:0}
.aside-box{background:var(--midnight);color:#C1CCD5;padding:26px 24px;border-top:3px solid var(--orange)}
.aside-box .t-lbl{color:var(--orange)}
.aside-box h3{color:var(--white);font-size:1.15rem}
.aside-box p{font-size:.93rem}
.aside-box .btn{width:100%}
.aside-box .ct{display:grid;gap:6px;margin-top:14px;font-size:.9rem}
.aside-box .ct a{color:var(--white);text-decoration:none}
.aside-box .ct a:hover{color:var(--orange)}
.rel{list-style:none;padding:0;margin:0}
.rel li{margin:0}
.rel a{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);color:var(--navy);text-decoration:none;font-weight:500;font-size:.94rem}
.rel a svg{width:14px;height:14px;color:var(--orange-d);transition:transform .3s}
.rel a:hover svg{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 56px 22px 0;font-family:var(--ff-h);font-weight:600;font-size:1.1rem;color:var(--navy);position:relative;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--orange-d)}
.faq summary::after,.faq summary::before{content:"";position:absolute;right:12px;top:50%;width:16px;height:2px;background:var(--orange-d);transition:transform .35s var(--ease)}
.faq summary::before{transform:rotate(90deg)}
.faq details[open] summary::before{transform:rotate(0)}
.faq .ans{padding:0 56px 22px 0;color:var(--muted)}
.faq details[open] .ans{animation:fadeDown .4s var(--ease)}
.faq .ans p:last-child{margin:0}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.dark .faq,.dark .faq details{border-color:var(--line-dk)}
.dark .faq summary{color:var(--white)}
.dark .faq summary:hover{color:var(--orange)}
.dark .faq .ans{color:#B9C5CF}
.faq-group{margin-bottom:48px}
.faq-group>h2{font-size:1.4rem;margin-bottom:.8em}

/* ---------- CTA band ---------- */
.cta-band{background:var(--navy);color:var(--white);padding:clamp(56px,7vw,96px) 0}
.cta-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.cta-band h2{color:var(--white)}
.cta-band p{color:#C1CCD5}
.cta-checks{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,auto);gap:10px 26px;justify-content:start}
.cta-checks li{display:flex;gap:10px;align-items:center;margin:0;font-family:var(--ff-m);font-size:.8rem;letter-spacing:.06em;color:#DCE4EA}
.cta-checks svg{width:16px;height:16px;color:var(--orange);flex:none}
.cta-side{display:grid;gap:14px;justify-items:start}
.cta-side .phone{font-family:var(--ff-h);font-size:1.6rem;color:var(--white);text-decoration:none;font-weight:600}
.cta-side .phone:hover{color:var(--orange)}
.cta-side small{font-family:var(--ff-m);color:var(--silver);letter-spacing:.14em;text-transform:uppercase;font-size:.7rem}

/* ---------- Local section ---------- */
.local-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-dk);border:1px solid var(--line-dk);margin-top:10px}
.local-stats div{background:var(--midnight);padding:22px}
.local-stats b{display:block;font-family:var(--ff-h);color:var(--white);font-size:1.05rem;margin-bottom:6px}
.local-stats span{font-size:.92rem;color:#AEBBC6}

/* Industry rows */
.ind-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ind{border-top:2px solid var(--navy);padding-top:20px}
.ind .i-k{font-family:var(--ff-m);font-size:.72rem;letter-spacing:.18em;color:var(--orange-d)}
.ind h3{margin:.5em 0 .4em}
.ind p{color:var(--muted);font-size:.96rem;margin:0}
.dark .ind{border-top-color:var(--orange)}
.dark .ind p{color:#AEBBC6}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,5vw,64px);align-items:start}
.form{background:var(--white);border:1px solid var(--line);padding:clamp(24px,3.5vw,40px);border-top:4px solid var(--orange)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{font-weight:600;font-size:.9rem;color:var(--navy);margin-bottom:7px}
.field label .opt{font-weight:400;color:var(--muted);font-size:.82rem}
.field label .req{color:var(--orange-d)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:13px 14px;border:1px solid #BCC8D2;border-radius:var(--r);background:#FBFCFD;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s;width:100%;min-height:48px}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(230,138,37,.35);background:var(--white)}
.field input:user-invalid,.field select:user-invalid,.field textarea:user-invalid{border-color:#B3261E}
.field .hint{font-size:.82rem;color:var(--muted);margin-top:6px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{margin:0 0 20px;padding:16px 18px;border-left:4px solid;font-size:.95rem;display:none}
.form-status.ok{display:block;border-color:#2E7D4F;background:#ECF6F0;color:#1E5136}
.form-status.err{display:block;border-color:#B3261E;background:#FBEDEC;color:#7A1A14}
.form-note{font-size:.85rem;color:var(--muted);margin:14px 0 0}
.info-card{background:var(--midnight);color:#C1CCD5;padding:30px 28px;border-top:3px solid var(--orange)}
.info-card h2{font-size:1.35rem;color:var(--white)}
.info-line{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line-dk)}
.info-line:last-of-type{border-bottom:0}
.info-line svg{width:22px;height:22px;color:var(--orange);flex:none;margin-top:3px}
.info-line small{display:block;font-family:var(--ff-m);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--silver)}
.info-line a,.info-line b{color:var(--white);text-decoration:none;font-weight:600;font-size:1.05rem;word-break:break-word}
.info-line a:hover{color:var(--orange)}
.checklist{list-style:none;padding:0;margin:0;counter-reset:ck}
.checklist li{counter-increment:ck;display:grid;grid-template-columns:40px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);margin:0}
.checklist li::before{content:counter(ck,decimal-leading-zero);font-family:var(--ff-m);color:var(--orange-d);font-weight:600;font-size:.85rem;padding-top:3px}
.checklist b{color:var(--navy)}

/* ---------- Footer ---------- */
.site-footer{background:var(--midnight);color:#AEBBC6;padding:clamp(56px,7vw,88px) 0 0;font-size:.94rem}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:clamp(24px,4vw,56px)}
.f-grid h2{font-family:var(--ff-m);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:18px;font-weight:600}
.f-grid ul{list-style:none;padding:0;margin:0}
.f-grid li{margin-bottom:9px}
.f-grid a{color:#D2DBE2;text-decoration:none;transition:color .2s}
.f-grid a:hover{color:var(--orange)}
.f-about p{max-width:44ch}
.f-about .brand{margin-bottom:18px}
.f-contact div{margin-bottom:12px}
.f-contact small{display:block;font-family:var(--ff-m);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--silver)}
.f-bottom{margin-top:56px;border-top:1px solid var(--line-dk);padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem;color:#8796A3}
.f-bottom a{color:#AEBBC6}

/* ---------- 404 ---------- */
.nf{min-height:70vh;display:grid;align-items:center;background:var(--midnight);color:var(--white);padding:80px 0}
.nf .code{font-family:var(--ff-h);font-size:clamp(6rem,18vw,12rem);font-weight:700;line-height:.9;color:transparent;-webkit-text-stroke:2px var(--orange)}
.nf h1{color:var(--white);font-size:clamp(1.8rem,4vw,2.8rem)}
.nf p{color:var(--silver);max-width:56ch}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .nav a.nl,.nav .dd-btn{padding:10px 9px;font-size:.88rem}
  .hdr-cta{display:none}
}
@media (max-width:1024px){
  .site-header{backdrop-filter:none!important;-webkit-backdrop-filter:none!important;background:var(--midnight)}
  .menu-btn{display:block}
  .nav{position:fixed;inset:76px 0 0 0;background:var(--midnight);flex-direction:column;align-items:stretch;padding:12px 16px 32px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .3s,transform .35s var(--ease),visibility .3s}
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li{border-bottom:1px solid var(--line-dk)}
  .nav a.nl,.nav .dd-btn{width:100%;justify-content:space-between;padding:16px 4px;font-size:1.05rem}
  .nav a.nl::after,.nav .dd-btn::after{left:4px;right:auto;width:28px;bottom:8px}
  .dd{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--orange);background:transparent;padding:0 0 10px 10px;min-width:0;display:none}
  .has-dd.open .dd{display:block}
  .has-dd:hover .dd{transform:none}
  .hdr-cta{display:flex;margin:22px 0 0;width:100%}
  body.nav-open{overflow:hidden}
  .hero-grid,.page-hero .ph-grid{grid-template-columns:1fr}
  .hero-art{max-width:380px;order:-1;margin-bottom:-10px}
  .page-hero .plate{max-width:460px}
  .cards,.ind-list{grid-template-columns:repeat(2,1fr)}
  .cards.c4{grid-template-columns:repeat(2,1fr)}
  .feat{grid-template-columns:repeat(2,1fr)}
  .symptoms{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .timeline::before{display:none}
  .article-layout{grid-template-columns:1fr}
  .aside{position:static;grid-template-columns:1fr 1fr}
  .toc{grid-column:1/-1}
  .f-grid{grid-template-columns:1fr 1fr}
  .cta-inner,.contact-grid,.split,.two-col{grid-template-columns:1fr}
  .stepper{grid-template-columns:1fr}
  .step-tabs{display:flex;overflow-x:auto;border-left:0;border-bottom:2px solid var(--line-dk);-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .step-tabs li{flex:none}
  .step-tabs button{margin:0 0 -2px;border-left:0;border-bottom:2px solid transparent;padding:14px 16px;white-space:nowrap}
  .step-tabs button[aria-selected="true"]{border-bottom-color:var(--orange)}
}
@media (max-width:680px){
  body{font-size:1rem}
  .cards,.cards.c2,.cards.c4,.ind-list,.feat,.symptoms,.timeline{grid-template-columns:1fr}
  .sec-head{grid-template-columns:1fr;gap:6px}
  .sec-num{font-size:3.2rem}
  .aside{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr;gap:0}
  .f-grid{grid-template-columns:1fr}
  .cta-checks{grid-template-columns:1fr}
  .btn-row .btn{flex:1 1 100%}
  .hero-meta div{width:50%;margin-right:0}
  .spec{font-size:.88rem}
  .faq summary{font-size:1rem;padding-right:44px}
  .faq .ans{padding-right:0}
  .local-stats{grid-template-columns:1fr}
  .brand-txt b{font-size:1rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .gear-a,.gear-b,.grid-bg::before,.divider::after{animation:none!important}
  .js .reveal{opacity:1;transform:none}
}
@media print{.site-header,.site-footer,.cta-band,.aside{display:none}.page-hero,.hero{background:none;color:#000}}