/* ============================================================
   STOP ENERGY LLC — design tokens
   Palette derived from the SECSA USA logo:
   plate red #E6382E · plate blue #235180 · pyramid black
   ============================================================ */
:root{
  --ink:#12141A;          /* site black — the pyramid */
  --ink-2:#1B1F27;        /* raised panel */
  --ink-3:#2A2F39;        /* hairline on dark */
  --slab:#EEEEEC;         /* cured concrete, cool grey */
  --slab-2:#E2E3E1;       /* aggregate */
  --paper:#FFFFFF;
  --steel:#235180;        /* logo blue — structure */
  --steel-lt:#3C74AE;
  --safety:#E6382E;       /* logo red — grade line, actions */
  --grey:#6C7178;
  --grey-lt:#9AA0A7;
  --rule:#C9CCCE;

  --display:'Archivo Black','Arial Black',Impact,sans-serif;
  --body:'IBM Plex Sans','Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Courier New',monospace;

  --pad:clamp(20px,5vw,72px);
  --maxw:1240px;
  --gap:clamp(28px,4vw,56px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--slab);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--safety);outline-offset:3px}

.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---- type ---- */
h1,h2,h3{font-family:var(--display);font-weight:400;margin:0;letter-spacing:-.02em;line-height:1.02;text-transform:uppercase}
h1{font-size:clamp(2.5rem,6.2vw,5.1rem)}
h2{font-size:clamp(2rem,4.4vw,3.4rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.3rem);letter-spacing:-.005em}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.05rem,1.55vw,1.28rem);line-height:1.62;color:#3A3F47;max-width:62ch}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500}

/* ---- skip link ---- */
.skip{position:absolute;left:-9999px;top:0;background:var(--safety);color:#fff;padding:12px 18px;z-index:200;font-family:var(--mono);font-size:.8rem}
.skip:focus{left:0}

/* ---- logo ---- */
.logo{height:46px;width:auto;color:#fff;flex:0 0 auto}
.logo--dark{color:var(--ink)}

/* ============================ HEADER ============================ */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(18,20,26,.94);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--ink-3);
}
.topbar__in{display:flex;align-items:center;gap:22px;height:82px;max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.topbar a{text-decoration:none}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:#C6CAD0;font-family:var(--mono);font-size:.73rem;letter-spacing:.14em;text-transform:uppercase;padding:6px 0;border-bottom:2px solid transparent;transition:color .18s,border-color .18s}
.nav a:hover{color:#fff;border-color:var(--safety)}
.topbar__contact{display:flex;align-items:center;gap:14px}
.tel{
  display:inline-flex;align-items:center;gap:9px;color:#fff;font-family:var(--mono);
  font-size:.86rem;font-weight:500;letter-spacing:.02em;white-space:nowrap;
}
.tel span{width:7px;height:7px;background:var(--safety);flex:0 0 auto}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--ink-3);color:#fff;width:44px;height:40px;cursor:pointer;align-items:center;justify-content:center;padding:0}
.burger i{display:block;width:18px;height:1.5px;background:#fff;position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:#fff}
.burger i::before{top:-6px}.burger i::after{top:6px}

.drawer{display:none;background:var(--ink-2);border-bottom:1px solid var(--ink-3)}
.drawer.open{display:block}
.drawer a{display:block;padding:15px var(--pad);color:#D5D9DE;text-decoration:none;font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;border-bottom:1px solid var(--ink-3)}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--mono);font-size:.78rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  padding:15px 24px;border:1.5px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform .16s,background .18s,color .18s,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn--red{background:var(--safety);color:#fff}
.btn--red:hover{background:#cf2f26}
.btn--ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff}
.btn--sm{padding:12px 18px;font-size:.72rem}

/* ============================ HERO ============================ */
.hero{background:var(--ink);color:#fff;padding-top:82px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--ink-3)}
.hero__in{
  max-width:var(--maxw);margin:0 auto;padding:clamp(46px,7vw,86px) var(--pad) clamp(40px,6vw,72px);
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(30px,5vw,64px);align-items:center;
}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--grey-lt);margin-bottom:26px}
.eyebrow b{display:block;width:34px;height:2px;background:var(--safety)}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--safety)}
.hero__sub{margin:26px 0 0;color:#B9BEC5;font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.62;max-width:54ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:32px;padding-top:22px;
  border-top:1px solid var(--ink-3);color:var(--grey-lt);font-family:var(--mono);font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;
}

/* ---- signature: section drawing ---- */
.section-dwg{width:100%;height:auto}
.section-dwg .draw{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2.1s cubic-bezier(.22,.8,.3,1) forwards}
.section-dwg .d2{animation-delay:.35s}
.section-dwg .d3{animation-delay:.7s}
.section-dwg .fade{opacity:0;animation:fadein .8s ease forwards 1.15s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}

/* ============================ STRIP ============================ */
.strip{background:var(--ink-2);color:#fff;border-bottom:1px solid var(--ink-3)}
.strip__in{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.fact{padding:30px 26px 30px 0;border-right:1px solid var(--ink-3)}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:var(--display);font-size:clamp(1.6rem,2.6vw,2.15rem);line-height:1;margin-bottom:9px}
.fact span{color:var(--grey-lt);font-family:var(--mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;line-height:1.5;display:block}

/* ============================ SECTION SHELL ============================ */
.section{padding:clamp(64px,8vw,116px) 0;scroll-margin-top:92px}
.section--paper{background:var(--paper)}
.section--slab{background:var(--slab)}
.section--ink{background:var(--ink);color:#fff}
.section--ink .lead{color:#B9BEC5}

/* grade line: the structural device of the page */
.grade{display:flex;align-items:center;gap:16px;margin-bottom:clamp(26px,3.4vw,42px)}
.grade i{width:10px;height:10px;background:var(--safety);flex:0 0 auto;transform:rotate(45deg)}
.grade span{color:var(--grey);white-space:nowrap}
.grade b{flex:1;height:1px;background:var(--rule);display:block}
.section--ink .grade span{color:var(--grey-lt)}
.section--ink .grade b{background:var(--ink-3)}

.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--gap)}
.two--wide{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}

/* ============================ ABOUT ============================ */
.timeline{list-style:none;margin:0;padding:0;border-left:1px solid var(--rule)}
.timeline li{position:relative;padding:0 0 26px 26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-4.5px;top:8px;width:8px;height:8px;background:var(--steel)}
.timeline li:first-child::before{background:var(--safety)}
.timeline .yr{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;color:var(--safety);display:block;margin-bottom:4px;font-weight:600}
.timeline p{margin:0;color:#3A3F47;font-size:.99rem}

.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:38px}
.value{background:var(--paper);padding:22px}
.value b{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;color:var(--steel)}
.value p{margin:0;font-size:.93rem;color:#4A4F57;line-height:1.55}

/* ============================ SERVICES ============================ */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.svc__item{background:var(--paper);padding:30px 26px 34px;position:relative;transition:background .2s}
.svc__item:hover{background:#FAFAF9}
.svc__item::after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--safety);transition:width .3s cubic-bezier(.22,.8,.3,1)}
.svc__item:hover::after{width:100%}
.svc__no{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--grey);display:block;margin-bottom:20px}
.svc__item h3{margin-bottom:12px}
.svc__item p{margin:0;color:#4A4F57;font-size:.96rem;line-height:1.58}
.svc__ico{width:30px;height:30px;margin-bottom:16px;color:var(--steel)}

.addl{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:52px}
.addl h3{font-size:1.02rem;margin-bottom:10px}
.addl p{margin:0;color:#4A4F57;font-size:.95rem}
.addl div{border-top:2px solid var(--ink);padding-top:16px}

/* ============================ SECTORS ============================ */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sector{
  border:1px solid var(--ink-3);padding:26px 22px;background:var(--ink-2);
  transition:border-color .2s,transform .2s,background .2s;
}
.sector:hover{border-color:var(--steel-lt);transform:translateY(-3px);background:#20252E}
.sector b{display:block;font-family:var(--display);text-transform:uppercase;font-size:1.02rem;margin-bottom:9px;letter-spacing:-.01em}
.sector p{margin:0;color:#AFB5BC;font-size:.92rem;line-height:1.55}
.sector .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:var(--safety);display:block;margin-bottom:14px}

/* ============================ PROCESS ============================ */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.proc div{background:var(--paper);padding:28px 22px}
.proc b{display:block;font-family:var(--display);text-transform:uppercase;font-size:1rem;margin:14px 0 9px}
.proc p{margin:0;font-size:.93rem;color:#4A4F57;line-height:1.55}
.proc .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--safety)}

/* ============================ CONTACT ============================ */
.contact{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(34px,5vw,70px)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--grey-lt)}
.field input,.field select,.field textarea{
  background:#0D0F14;border:1px solid var(--ink-3);color:#fff;padding:14px 15px;
  font-family:var(--body);font-size:.97rem;border-radius:0;transition:border-color .18s;width:100%;
}
.field textarea{resize:vertical;min-height:118px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--steel-lt);outline:none}
.field input::placeholder,.field textarea::placeholder{color:#5A6069}
.form__foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px}
.form__note{color:var(--grey-lt);font-size:.85rem;margin:0}
.form__msg{grid-column:1/-1;font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--safety);margin:0;min-height:1.2em}

.card{border:1px solid var(--ink-3);background:var(--ink-2);padding:clamp(24px,3vw,34px)}
.card h3{margin-bottom:22px}
.crow{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--ink-3);align-items:flex-start}
.crow:first-of-type{border-top:0;padding-top:0}
.crow svg{width:19px;height:19px;color:var(--safety);flex:0 0 auto;margin-top:3px}
.crow span{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--grey-lt);margin-bottom:4px}
.crow a,.crow p{color:#fff;text-decoration:none;margin:0;font-size:1.02rem;line-height:1.45;word-break:break-word}
.crow a:hover{color:var(--safety)}
.card .btn{width:100%;margin-top:22px}

/* ============================ FOOTER ============================ */
.foot{background:#0B0D11;color:#8A9098;border-top:1px solid var(--ink-3);padding:52px 0 30px}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--gap)}
.foot h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:0 0 16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot a{color:#8A9098;text-decoration:none;font-size:.94rem}
.foot a:hover{color:#fff}
.foot__logo{margin-bottom:20px}
.foot__bar{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;margin-top:42px;padding-top:22px;border-top:1px solid var(--ink-3);font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase}

/* ---- scroll reveal ---- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.8,.3,1)}
.rv.in{opacity:1;transform:none}

/* ============================ RESPONSIVE ============================ */
@media (max-width:1080px){
  .hero__in{grid-template-columns:1fr;gap:40px}
  .svc,.sectors,.proc,.addl{grid-template-columns:repeat(2,1fr)}
  .strip__in{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--ink-3)}
}
@media (max-width:900px){
  .nav{display:none}
  .burger{display:flex}
  .topbar__contact{display:none}
  .two,.two--wide,.contact{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .logo{height:38px}
  .topbar__in{height:70px}
  .hero{padding-top:70px}
  .svc,.sectors,.proc,.addl,.form{grid-template-columns:1fr}
  .strip__in{grid-template-columns:1fr}
  .fact{border-right:0;border-bottom:1px solid var(--ink-3);padding:22px 0}
  .fact:last-child{border-bottom:0}
  .foot__grid{grid-template-columns:1fr}
  .hero__cta .btn{width:100%}
  .grade span{font-size:.66rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0ms!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
  .section-dwg .draw{stroke-dashoffset:0}
  .section-dwg .fade{opacity:1}
}

/* ============================ INNER PAGES (added 2026-10) ============================ */
.topbar a.on{color:#fff;border-color:var(--safety)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--grey-lt);font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:22px}
.crumbs a{color:var(--grey-lt);text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs i{width:5px;height:5px;background:var(--safety);display:inline-block;transform:rotate(45deg)}

.phero{background:var(--ink);color:#fff;padding-top:82px;position:relative;overflow:hidden}
.phero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--ink-3)}
.phero__in{max-width:var(--maxw);margin:0 auto;padding:clamp(44px,6vw,76px) var(--pad) clamp(40px,5vw,64px);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(30px,5vw,64px);align-items:end}
.phero h1{color:#fff;font-size:clamp(2.1rem,4.8vw,3.9rem)}
.phero h1 em{font-style:normal;color:var(--safety)}
.phero__sub{margin:24px 0 0;color:#B9BEC5;font-size:clamp(1rem,1.4vw,1.16rem);line-height:1.62;max-width:56ch}
.phero__aside{border:1px solid var(--ink-3);background:var(--ink-2);padding:clamp(22px,3vw,30px)}
.phero__aside h2{font-size:1.1rem;margin-bottom:14px}
.phero__aside ul{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:9px;color:#C6CAD0;font-size:.95rem}
.phero__aside li{padding-left:18px;position:relative}
.phero__aside li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;background:var(--safety)}
.phero__aside .btn{width:100%}
.phero__aside .btn + .btn{margin-top:10px}

.scope{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.scope div{background:var(--paper);padding:24px 22px}
.scope b{display:block;font-family:var(--display);text-transform:uppercase;font-size:1rem;margin-bottom:8px;letter-spacing:-.01em}
.scope p{margin:0;font-size:.94rem;color:#4A4F57;line-height:1.55}
.scope .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--safety);display:block;margin-bottom:10px}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.steps div{border-top:2px solid var(--ink);padding-top:16px;position:relative}
.steps div::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--grey);display:block;margin-bottom:14px}
.steps b{display:block;font-family:var(--display);text-transform:uppercase;font-size:1rem;margin-bottom:9px}
.steps p{margin:0;font-size:.93rem;color:#4A4F57;line-height:1.55}

.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust div{border:1px solid var(--ink-3);background:var(--ink-2);padding:22px 20px}
.trust svg{width:26px;height:26px;color:var(--safety);margin-bottom:14px}
.trust b{display:block;font-family:var(--display);text-transform:uppercase;font-size:.98rem;margin-bottom:8px}
.trust p{margin:0;color:#AFB5BC;font-size:.9rem;line-height:1.55}

.record{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--gap);align-items:center;border:1px solid var(--rule);background:var(--paper);padding:clamp(24px,3.5vw,44px)}
.record .big{font-family:var(--display);font-size:clamp(2.4rem,5vw,4.2rem);line-height:1;color:var(--steel);margin:0 0 8px}
.record .cap{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey)}
.record p{color:#4A4F57;font-size:.98rem}
.record ul{margin:14px 0 0;padding-left:18px;color:#4A4F57;font-size:.95rem;display:grid;gap:6px}

.faq{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-family:var(--display);text-transform:uppercase;font-size:1rem;letter-spacing:-.01em;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--safety);font-size:1.2rem;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 22px;color:#4A4F57;font-size:.97rem;max-width:70ch}
.faq .a p{margin:0 0 .8em}

.band{background:var(--steel);color:#fff;padding:clamp(34px,5vw,56px) 0}
.band .wrap{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
.band h2{font-size:clamp(1.4rem,2.6vw,2rem)}
.band p{margin:8px 0 0;color:#D6E2F0;max-width:58ch}
.band .btn--ghost{border-color:rgba(255,255,255,.5)}

.svc__more{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);text-decoration:none;border-bottom:1.5px solid var(--steel)}
.svc__more:hover{color:var(--safety);border-color:var(--safety)}
.svc__item a.svc__link{position:absolute;inset:0;z-index:1}
.svc__item{position:relative}

.proj{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.proj article{background:var(--paper);padding:28px 24px}
.proj .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--safety);display:block;margin-bottom:12px}
.proj h3{margin-bottom:10px}
.proj p{margin:0;color:#4A4F57;font-size:.94rem;line-height:1.55}
.proj dl{margin:16px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:.88rem}
.proj dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);padding-top:3px}
.proj dd{margin:0;color:#2A2F39}

.ty{min-height:70vh;display:flex;align-items:center}
.ty .wrap{max-width:760px}

@media (max-width:1080px){.steps,.trust{grid-template-columns:repeat(2,1fr)}.proj{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){.phero__in,.record{grid-template-columns:1fr}}
@media (max-width:640px){.scope,.steps,.trust,.proj{grid-template-columns:1fr}.phero h1{font-size:2rem}}

/* ============================ MX OVERRIDES ============================ */
:root{
  --safety:#C8102E;        /* rojo logo Grupo SECSA */
  --steel:#1F4E9C;         /* azul logo */
  --steel-lt:#3B6FC4;
}
.btn--red:hover{background:#a80d26}
.logo{height:52px}
.logo img{height:100%;width:auto;display:block}
.foot__logo img{height:64px}
@media (max-width:640px){.logo{height:42px}}

/* hero con foto */
.hero--photo{position:relative;isolation:isolate}
.hero--photo::before{content:"";position:absolute;inset:0;background:var(--hero-img) center/cover no-repeat;opacity:.28;z-index:-1;filter:grayscale(20%)}
.hero--photo::after{background:linear-gradient(to bottom,transparent,rgba(18,20,26,.6))}
.hero__in--single{grid-template-columns:minmax(0,1fr)}
.hero__in--single > div{max-width:760px}

/* galería */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;border:1px solid var(--rule);background:var(--slab-2)}
.gal--2{grid-template-columns:repeat(2,1fr)}
.gal figure{margin:0}
.gal figcaption{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-top:8px}

/* logos de clientes */
.clients{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.clients div{background:var(--paper);padding:22px 14px;display:flex;align-items:center;justify-content:center;text-align:center;font-family:var(--display);text-transform:uppercase;font-size:.9rem;letter-spacing:-.01em;color:var(--ink-3);min-height:84px}
.section--ink .clients{background:var(--ink-3);border-color:var(--ink-3)}
.section--ink .clients div{background:var(--ink-2);color:#C6CAD0}

/* línea de tiempo de proyectos */
.tl{border-left:2px solid var(--rule);margin-left:8px}
.tl > div{position:relative;padding:0 0 28px 28px}
.tl > div::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;background:var(--steel)}
.tl > div:first-child::before{background:var(--safety)}
.tl .yr{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;color:var(--safety);font-weight:600;display:block;margin-bottom:6px}
.tl b{display:block;font-family:var(--display);text-transform:uppercase;font-size:1rem;margin-bottom:6px}
.tl p{margin:0;color:#4A4F57;font-size:.95rem}
.tl ul{margin:8px 0 0;padding-left:18px;color:#4A4F57;font-size:.92rem;display:grid;gap:4px}

/* WhatsApp */
.btn--wa{background:#25D366;color:#0B2E1A}
.btn--wa:hover{background:#1fb457}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.3)}
.wa-float svg{width:30px;height:30px;fill:#fff}

.section--ink .lead{color:#B9BEC5}
.section--ink p{color:#B9BEC5}
.section--ink .two p{color:#B9BEC5}
.section--ink .trust b{color:#fff}

@media (max-width:1080px){.clients{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.gal{grid-template-columns:repeat(2,1fr)}.clients{grid-template-columns:repeat(2,1fr)}}