/* German Gulf Fibreglass Industries */
:root{
  --paper:#efebe4;
  --paper-2:#e5dfd4;
  --stone:#d6cfc2;
  --ink:#151515;
  --ink-2:#2b2a27;
  --mute:#6d685f;
  --line:rgba(21,21,21,.14);
  --red:#e92829;
  --red-d:#c51d1f;
  --white:#fbfaf7;
  --display:"Instrument Sans",system-ui,sans-serif;
  --serif:"Instrument Serif",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(20px,4vw,64px);
  --max:1360px;
  --nav-h:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--paper);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);display:flex;align-items:center;gap:10px}
.eyebrow .dot{width:8px;height:8px;background:var(--red);border-radius:50%}
.h2{font-size:clamp(36px,5.2vw,80px);line-height:.98;letter-spacing:-.035em;font-weight:600;font-stretch:88%;margin-top:18px}
.h2 em{color:var(--mute);font-size:1.04em;letter-spacing:-.01em}
.lede{font-size:clamp(17px,1.3vw,19px);color:var(--ink-2);max-width:56ch;margin-top:22px}
.sec-head{margin-bottom:clamp(40px,6vw,80px)}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;font-weight:600;font-size:15px;letter-spacing:-.01em;transition:background .25s,color .25s,border-color .25s,transform .25s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .25s}
.btn:hover svg{transform:translateX(3px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

/* nav */
.nav{position:fixed;inset:0 0 auto;height:var(--nav-h);z-index:50;display:flex;align-items:center;gap:32px;padding-inline:var(--pad);transition:background .35s,box-shadow .35s,color .35s}
.nav.is-solid{background:rgba(239,235,228,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.brand-logo{height:38px;width:auto;color:var(--ink)}
.nav-links{display:flex;gap:30px;margin-left:auto;font-size:15px;font-weight:500}
.nav-links a{position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .3s}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{display:flex;align-items:center;gap:22px}
.nav-phone{font-family:var(--mono);font-size:13px}
.burger{display:none;width:44px;height:44px;margin-left:auto;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .3s}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.menu-open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:45;background:var(--paper);padding:calc(var(--nav-h) + 24px) var(--pad) 32px;display:flex;flex-direction:column;justify-content:space-between;clip-path:inset(0 0 100% 0);transition:clip-path .55s cubic-bezier(.7,0,.2,1);visibility:hidden}
.menu-open .menu{clip-path:inset(0);visibility:visible}
.menu nav{display:flex;flex-direction:column}
.menu nav a{font-size:clamp(34px,9vw,56px);font-weight:600;letter-spacing:-.03em;font-stretch:88%;padding:8px 0;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:16px}
.menu nav a i{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--red)}
.menu-foot{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:14px}

/* ===== hero ===== */
.hero{height:290vh;position:relative}
.hero-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:grid;grid-template-columns:repeat(12,1fr);column-gap:24px;padding:calc(var(--nav-h) + 4vh) var(--pad) 5vh;align-items:center}
.hero-copy{grid-column:1/7;position:relative;z-index:3;max-width:640px}
.hero-title{font-size:clamp(48px,min(7.4vw,12.5vh),124px);line-height:.92;letter-spacing:-.045em;font-weight:600;font-stretch:85%;margin:22px 0 26px}
.hero-title .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .ln>span{display:block}
.hero-title em{color:var(--red);letter-spacing:-.02em;font-size:1.06em}
.hero-sub{font-size:clamp(16px,1.25vw,19px);color:var(--ink-2);max-width:46ch}
.hero-sub b{font-weight:600}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-slot{grid-column:7/13;height:min(78vh,860px);align-self:end}
.hero-frame{position:absolute;inset:0;z-index:2;clip-path:inset(20% 6% 6% 55% round 400px 400px 0 0);will-change:clip-path}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 60%;transform:scale(1.12);transform-origin:60% 60%}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(10,10,10,.65));opacity:0;transition:none;pointer-events:none}
.hero-frame.dim::after{opacity:var(--dim,0)}
.screen{position:absolute;inset:0;display:grid;z-index:2}
.tile{background:var(--paper);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M50 9 60.6 24.4 79 21 75.6 39.4 91 50 75.6 60.6 79 79 60.6 75.6 50 91 39.4 75.6 21 79 24.4 60.6 9 50 24.4 39.4 21 21 39.4 24.4Z'/%3E%3C/svg%3E") center/100% 100% no-repeat,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M50 9 60.6 24.4 79 21 75.6 39.4 91 50 75.6 60.6 79 79 60.6 75.6 50 91 39.4 75.6 21 79 24.4 60.6 9 50 24.4 39.4 21 21 39.4 24.4Z'/%3E%3C/svg%3E") center/100% 100% no-repeat exclude,linear-gradient(#000 0 0);will-change:transform;margin:-.5px}
.hero-cap{position:absolute;left:var(--pad);bottom:5vh;z-index:3;color:#fff;display:flex;flex-direction:column;gap:2px;opacity:0}
.hero-cap b{font-size:clamp(22px,2.4vw,34px);font-weight:600;letter-spacing:-.02em;font-stretch:90%}
.hero-cap span:last-child{opacity:.8}
.hero-cap .mono{color:#fff;opacity:.7}
.hero-facts{position:absolute;right:var(--pad);bottom:5vh;z-index:3;display:flex;gap:clamp(20px,3vw,48px);color:#fff;opacity:0}
.hero-facts div{display:flex;flex-direction:column;border-left:1px solid rgba(255,255,255,.35);padding-left:14px}
.hero-facts b{font-size:clamp(28px,3vw,44px);font-weight:600;letter-spacing:-.03em;line-height:1}
.hero-facts span{font-size:13px;opacity:.8;margin-top:6px;max-width:16ch;line-height:1.3}
.scroll-hint{position:absolute;left:var(--pad);bottom:3vh;color:var(--mute);z-index:3;font-size:11px}

/* ===== materials ===== */
.materials{padding:clamp(90px,12vw,170px) 0 clamp(60px,8vw,120px)}
.mat-list{border-top:1px solid var(--line)}
.mat{display:grid;grid-template-columns:2.2fr 5fr 3fr;gap:clamp(20px,3vw,48px);padding:clamp(28px,3.5vw,48px) 0;border-bottom:1px solid var(--line);align-items:start}
.mat-code{font-size:clamp(64px,9vw,148px);font-weight:700;letter-spacing:-.06em;line-height:.8;font-stretch:78%;color:var(--ink);transition:color .4s}
.mat:hover .mat-code{color:var(--red)}
.mat-body h3{font-size:clamp(22px,2vw,30px);font-weight:600;letter-spacing:-.02em;margin-bottom:12px}
.mat-body p{color:var(--ink-2);max-width:56ch}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chips li{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.35)}
.mat-img{aspect-ratio:4/3;overflow:hidden;border-radius:4px;background:var(--paper-2)}
.mat-img img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.mat:hover .mat-img img{transform:scale(1.1)}
.mat[data-mat="grp"] .mat-img img{object-fit:contain;mix-blend-mode:multiply;padding:8%}

/* ===== products ===== */
.products{padding:clamp(70px,9vw,140px) 0;background:var(--white)}
.tabs{display:inline-flex;padding:5px;border-radius:999px;background:var(--paper);border:1px solid var(--line)}
.tabs button{height:44px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px;transition:background .3s,color .3s}
.tabs button small{font-family:var(--mono);font-size:11px;opacity:.6}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper)}
.cat{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,4vw,72px);align-items:start}
.cat-list{list-style:none;border-top:1px solid var(--line);counter-reset:c}
.cat-list li{border-bottom:1px solid var(--line)}
.cat-list a{display:grid;grid-template-columns:46px 1fr auto;gap:16px;align-items:center;padding:16px 4px;transition:padding .35s,background .35s}
.cat-list .n{font-family:var(--mono);font-size:12px;color:var(--mute)}
.cat-list .t{display:flex;flex-direction:column}
.cat-list .t b{font-size:clamp(19px,1.7vw,24px);font-weight:600;letter-spacing:-.02em;font-stretch:92%;line-height:1.2}
.cat-list .t span{font-size:14px;color:var(--mute);max-height:0;overflow:hidden;opacity:0;transition:max-height .4s,opacity .4s,margin .4s}
.cat-list .go{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:background .3s,border-color .3s,color .3s}
.cat-list .go svg{width:16px;height:16px}
.cat-list .thumb{display:none}
.cat-list li.on a{padding-left:14px;background:var(--paper)}
.cat-list li.on .n{color:var(--red)}
.cat-list li.on .t span{max-height:60px;opacity:1;margin-top:4px}
.cat-list li.on .go{background:var(--red);border-color:var(--red);color:#fff}
.cat-stage{position:sticky;top:calc(var(--nav-h) + 24px)}
.cat-imgs{position:relative;aspect-ratio:1;background:var(--paper);border-radius:6px;overflow:hidden}
.cat-imgs img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:9%;mix-blend-mode:multiply;opacity:0;transform:scale(1.04);transition:opacity .5s,transform .8s cubic-bezier(.2,.7,.2,1)}
.cat-imgs img.cover{object-fit:cover;padding:0;mix-blend-mode:normal}
.cat-imgs img.on{opacity:1;transform:none}
.cat-meta{display:flex;align-items:center;gap:14px;margin-top:16px}
.cat-meta b{font-size:18px;font-weight:600;letter-spacing:-.01em;margin-right:auto}
.cat-meta .mono{color:var(--red)}

/* ===== projects ===== */
.projects{padding:clamp(90px,11vw,160px) 0}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);font-size:14px;font-weight:500;transition:background .25s,color .25s,border-color .25s}
.filters button:hover{border-color:var(--ink)}
.filters button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.proj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(28px,3.5vw,56px) clamp(16px,2vw,28px)}
.proj{grid-column:span 4}
.proj.w7{grid-column:span 7}.proj.w5{grid-column:span 5}.proj.w6{grid-column:span 6}
.proj .ph{overflow:hidden;border-radius:4px;background:var(--paper-2);aspect-ratio:4/3}
.proj.w7 .ph{aspect-ratio:16/10}.proj.w5 .ph{aspect-ratio:4/3.6}
.proj img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.proj:hover img{transform:scale(1.05)}
.proj .cap{display:flex;justify-content:space-between;gap:16px;margin-top:14px;align-items:baseline}
.proj h3{font-size:clamp(18px,1.5vw,22px);font-weight:600;letter-spacing:-.02em;line-height:1.2}
.proj .loc{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);white-space:nowrap}
.proj .scope{font-size:14px;color:var(--ink-2);margin-top:4px}
.proj .scope b{color:var(--red);font-weight:600}
.proj.hide{display:none}

/* ===== statement ===== */
.statement{position:relative;color:#fff;padding:clamp(120px,16vw,240px) 0;overflow:hidden;background:var(--ink)}
.st-bg{position:absolute;inset:-10% 0;z-index:0}
.st-bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:grayscale(.3)}
.st-inner{position:relative;z-index:1}
.st-text{font-size:clamp(28px,3.8vw,60px);line-height:1.08;letter-spacing:-.03em;font-weight:500;font-stretch:92%;max-width:22ch}
.st-text .w{opacity:.18;transition:none}
.st-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:clamp(60px,8vw,120px);border-top:1px solid rgba(255,255,255,.2);padding-top:28px}
.st-stats div{display:flex;flex-wrap:wrap;align-items:baseline}
.st-stats b{font-size:clamp(48px,6vw,96px);font-weight:600;letter-spacing:-.05em;line-height:1;font-stretch:85%}
.st-stats sup{font-family:var(--mono);font-size:14px;color:var(--red);margin-left:6px;vertical-align:top}
.st-stats span{flex-basis:100%;font-size:15px;opacity:.75;margin-top:10px;max-width:28ch}

/* ===== process ===== */
.process{background:var(--ink);color:var(--paper)}
.proc-pin{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;position:relative;padding:calc(var(--nav-h) + 20px) 0 40px}
.proc-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,110px);align-items:center;width:100%}
.process .eyebrow{color:rgba(239,235,228,.6)}
.process .h2 em{color:rgba(239,235,228,.55)}
.proc-media{position:relative;aspect-ratio:4/3;margin-top:36px;border-radius:4px;overflow:hidden;background:#222;max-height:42vh;width:100%}
.proc-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s,transform 1.2s;transform:scale(1.06);filter:grayscale(1) contrast(1.05)}
.proc-media img.on{opacity:1;transform:none}
.proc-steps{list-style:none;border-top:1px solid rgba(239,235,228,.16)}
.proc-steps li{display:grid;grid-template-columns:52px 1fr;column-gap:12px;padding:clamp(12px,1.8vh,20px) 0;border-bottom:1px solid rgba(239,235,228,.16);opacity:.38;transition:opacity .45s}
.proc-steps li.on{opacity:1}
.proc-steps .mono{padding-top:8px;color:rgba(239,235,228,.6)}
.proc-steps li.on .mono{color:var(--red)}
.proc-steps h3{font-size:clamp(22px,2.3vw,34px);font-weight:600;letter-spacing:-.025em;font-stretch:90%;line-height:1.15}
.proc-steps p{grid-column:2;font-size:15px;color:rgba(239,235,228,.75);max-height:0;overflow:hidden;transition:max-height .5s,margin .5s}
.proc-steps li.on p{max-height:80px;margin-top:6px}
.proc-bar{position:absolute;left:var(--pad);right:var(--pad);bottom:28px;height:2px;background:rgba(239,235,228,.12)}
.proc-bar i{position:absolute;inset:0;background:var(--red);transform:scaleX(0);transform-origin:left}

/* ===== why ===== */
.why{padding:clamp(90px,11vw,160px) 0 clamp(60px,6vw,90px)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.5vw,40px)}
.why-grid div{border-top:2px solid var(--ink);padding-top:22px}
.why-grid h3{font-size:20px;font-weight:600;letter-spacing:-.015em;margin-bottom:10px}
.why-grid p{color:var(--ink-2);font-size:15.5px}

/* ===== clients ===== */
.clients{padding:clamp(40px,5vw,70px) 0 clamp(90px,10vw,150px)}
.clients .eyebrow{margin-bottom:34px}
.logo-rail{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.logo-track{display:flex;gap:clamp(40px,5vw,80px);width:max-content;align-items:center;animation:rail 60s linear infinite}
.logo-rail:hover .logo-track{animation-play-state:paused}
.logo-track img{height:clamp(64px,7vw,104px);width:auto;max-width:220px;object-fit:contain;mix-blend-mode:multiply;filter:grayscale(1) contrast(1.15);opacity:.85;transition:filter .3s,opacity .3s}
.logo-track img:hover{filter:none;opacity:1}
@keyframes rail{to{transform:translateX(-50%)}}

/* ===== contact ===== */
.contact{padding:clamp(90px,10vw,150px) 0;background:var(--white);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,6vw,110px);align-items:start}
.direct{display:flex;flex-direction:column;gap:12px;margin-top:36px}
.direct a{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:10px;font-size:19px;font-weight:600;letter-spacing:-.01em;transition:border-color .25s,background .25s}
.direct a:hover{border-color:var(--ink);background:var(--paper)}
.direct small{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);font-weight:400}
.direct svg{width:28px;height:28px;color:#25a244}
.sites{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.sites>div{border-top:1px solid var(--line);padding-top:14px}
.sites>div:first-child{grid-column:1/-1}
.sites .mono{color:var(--mute);font-size:11px}
.sites b{display:block;font-size:20px;font-weight:600;letter-spacing:-.015em;margin:4px 0}
.sites p{font-size:15px;color:var(--ink-2)}
.sites a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;margin-top:8px;color:var(--red)}
.sites a svg{width:15px;height:15px}
.form{background:var(--paper);border-radius:14px;padding:clamp(22px,3vw,40px);display:flex;flex-direction:column;gap:18px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px}
.form label>span,.form legend{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.form input:not([type=radio]),.form textarea{font:inherit;font-size:16px;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:13px 14px;color:var(--ink);transition:border-color .2s,box-shadow .2s;resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(233,40,41,.12)}
.form .bad{border-color:var(--red)!important}
.f-mat{border:0;display:flex;flex-wrap:wrap;gap:8px}
.f-mat legend{margin-bottom:8px;width:100%}
.f-mat label{flex-direction:row}
.f-mat input{position:absolute;opacity:0;pointer-events:none}
.f-mat span{height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;font-weight:600;font-size:14px;cursor:pointer;background:var(--white);transition:background .2s,color .2s,border-color .2s}
.f-mat input:checked+span{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.f-mat input:focus-visible+span{outline:2px solid var(--red);outline-offset:2px}
.f-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.f-actions svg{width:20px;height:20px}
.f-note{font-size:14px;color:var(--mute);min-height:1.4em}

/* ===== footer ===== */
.foot{background:var(--ink);color:var(--paper);padding:clamp(60px,7vw,100px) 0 28px;overflow:hidden}
.foot-top{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.foot-logo{height:44px;width:auto;color:var(--paper)}
.foot-links,.foot-social{display:flex;gap:24px;flex-wrap:wrap;font-size:15px}
.foot-links a:hover,.foot-social a:hover{color:var(--red)}
.foot-social{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.foot-word{display:flex;align-items:center;gap:2.2vw;margin:clamp(50px,7vw,100px) 0 clamp(30px,4vw,50px);font-size:clamp(56px,13.2vw,210px);font-weight:700;letter-spacing:-.06em;line-height:.85;font-stretch:78%;white-space:nowrap}
.foot-word svg{width:.82em;height:.82em;color:var(--red);flex:none}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(239,235,228,.55);border-top:1px solid rgba(239,235,228,.14);padding-top:20px}

.fab-wa{position:fixed;right:20px;bottom:20px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.18);transform:scale(0);transition:transform .4s cubic-bezier(.3,1.4,.5,1)}
.fab-wa.show{transform:scale(1)}
.fab-wa svg{width:30px;height:30px}

/* reveal helper */
.rv{opacity:0;transform:translateY(28px)}

/* ===== responsive ===== */
@media (max-width:1080px){
  .nav-links,.nav-phone{display:none}
  .nav-cta{margin-left:auto}
  .burger{display:block;margin-left:0}
  .why-grid{grid-template-columns:1fr 1fr;row-gap:36px}
}
@media (max-width:900px){
  :root{--nav-h:64px}
  .brand-logo{height:30px}
  .nav-cta .btn{display:none}
  .burger{margin-left:auto}
  .hero{height:250vh}
  .hero-stage{grid-template-columns:1fr;grid-template-rows:auto 1fr;align-items:start;padding-top:calc(var(--nav-h) + 3vh);row-gap:3vh}
  .hero-copy{grid-column:1}
  .hero-title{font-size:clamp(44px,13vw,72px);margin:14px 0 14px}
  .hero-sub{font-size:15.5px}
  .hero-cta{margin-top:20px}
  .hero-cta .btn{height:48px;padding:0 20px}
  .hero-slot{grid-column:1;height:100%;min-height:200px}
  .hero-facts{left:var(--pad);right:var(--pad);bottom:4vh;justify-content:space-between;gap:12px}
  .hero-facts span{font-size:11.5px}
  .hero-cap{bottom:calc(4vh + 100px)}
  .scroll-hint{display:none}
  .mat{grid-template-columns:1fr;gap:18px}
  .mat-img{aspect-ratio:16/9}
  .cat{grid-template-columns:1fr}
  .cat-stage{display:none}
  .cat-list a{grid-template-columns:72px 1fr auto;padding:12px 0}
  .cat-list .n{display:none}
  .cat-list .thumb{display:block;width:72px;height:72px;border-radius:6px;background:var(--paper);overflow:hidden}
  .cat-list .thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:6px}
  .cat-list .thumb img.cover{object-fit:cover;padding:0;mix-blend-mode:normal}
  .cat-list li.on a{padding-left:0;background:none}
  .cat-list .t span{max-height:none;opacity:1;margin-top:2px;font-size:13.5px}
  .proj,.proj.w7,.proj.w5,.proj.w6{grid-column:1/-1}
  .proj .ph,.proj.w7 .ph,.proj.w5 .ph{aspect-ratio:4/3}
  .proj .cap{flex-direction:column;gap:4px}
  .st-stats{grid-template-columns:1fr;gap:28px}
  .proc-pin{padding:90px 0 70px}
  .proc-grid{grid-template-columns:1fr}
  .proc-media{max-height:none;margin-top:28px}
  .proc-steps li{opacity:1}
  .proc-steps p{max-height:none;margin-top:6px}
  .proc-bar{display:none}
  .contact-grid{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .sites{grid-template-columns:1fr}
}
@media (max-width:560px){
  .why-grid{grid-template-columns:1fr}
  .tabs{width:100%}
  .tabs button{flex:1;justify-content:center}
  .hero-facts b{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  .logo-track{animation:none}
  .rv{opacity:1;transform:none}
}