/* ==========================================================================
   ENGELS — Engineering & Elevator Services
   Design system: deep engineering teal + charcoal + signal orange on white
   ========================================================================== */

:root{
  --ink:#12232B;          /* near-black charcoal-teal for text */
  --teal:#0E5C63;         /* primary brand teal */
  --teal-deep:#0A464C;    /* darker teal for depth */
  --teal-wash:#EAF2F2;    /* pale teal section wash */
  --orange:#E8641A;       /* signal orange accent */
  --sand:#F6F4EF;         /* warm neutral panel */
  --line:#DDE4E4;         /* hairline */
  --grey:#5C6B70;         /* muted text */
  --white:#FFFFFF;

  --maxw:1180px;
  --gutter:clamp(20px,5vw,40px);
  --r:4px;

  --f-display:'Fraunces',Georgia,serif;
  --f-body:'Inter',-apple-system,system-ui,sans-serif;

  --shadow:0 18px 44px -20px rgba(14,92,99,.28);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  font-size:17px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

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

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.1;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5.2vw,4rem);font-weight:600}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
h3{font-size:1.3rem}
.eyebrow{
  font-family:var(--f-body);
  font-size:.74rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal);display:inline-flex;align-items:center;gap:.6em;margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange)}
.lead{font-size:1.15rem;color:var(--grey);max-width:60ch}
p{margin:0 0 1rem}
.muted{color:var(--grey)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--f-body);font-weight:600;font-size:.95rem;letter-spacing:.01em;
  padding:.85em 1.6em;border-radius:var(--r);border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#cf560f;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn-onteal{background:#fff;color:var(--teal-deep)}
.btn-onteal:hover{transform:translateY(-2px);background:var(--sand)}
.btn .arr{transition:transform .18s ease}
.btn:hover .arr{transform:translate(3px,-3px)}

/* ---------- Header ---------- */
.topline{background:var(--teal-deep);color:#cfe4e4;font-size:.82rem}
.topline .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:1rem;flex-wrap:wrap}
.topline a{color:#eaf6f6;font-weight:500}
.topline .tags{display:flex;gap:1.2rem;flex-wrap:wrap}
.topline .tags span{display:inline-flex;align-items:center;gap:.45em}
.topline .dot{color:var(--orange)}

.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand .mark{width:40px;height:40px;flex:none}
.brand-mark{height:46px;width:auto;flex:none;display:block}
.brand-word{display:flex;flex-direction:column;line-height:1}
.brand b{font-family:'Poppins',-apple-system,system-ui,sans-serif;font-size:1.55rem;letter-spacing:.02em;line-height:.95;font-weight:800;color:var(--teal)}
.brand small{display:block;font-family:var(--f-body);font-size:.53rem;letter-spacing:.19em;color:var(--grey);text-transform:uppercase;margin-top:3px}
.brand-word--light b{color:#fff}
.brand-word--light small{color:#9fb0b3}
@media (max-width:640px){ .brand-mark{height:38px} .brand b{font-size:1.35rem} }
.menu{display:flex;align-items:center;gap:.35rem;list-style:none}
.menu a{padding:.55em .9em;font-weight:500;font-size:.96rem;border-radius:var(--r);color:var(--ink);transition:color .15s,background .15s}
.menu a:hover{color:var(--teal)}
.menu a.active{color:var(--teal);font-weight:600}
.nav .cta{display:flex;align-items:center;gap:.8rem}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;width:44px;height:44px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px auto;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--teal-deep)}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,var(--teal-deep) 30%,rgba(10,70,76,.55) 100%)}
.hero .wrap{position:relative;padding:clamp(4rem,11vh,8rem) var(--gutter)}
.hero .eyebrow{color:#8fd0d0}
.hero .eyebrow::before{background:var(--orange)}
.hero h1{color:#fff;max-width:16ch}
.hero h1 em{font-style:italic;color:#83cccc}
.hero p{color:#cfe4e4;font-size:1.2rem;max-width:52ch;margin-top:1.4rem}
.hero .actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2.2rem}
.hero-strip{position:relative;border-top:1px solid rgba(255,255,255,.14);margin-top:clamp(2.5rem,6vh,4.5rem)}
.hero-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0 var(--gutter)}
.hero-stat{padding:1.6rem .4rem}
.hero-stat b{font-family:var(--f-display);font-size:2rem;color:#fff;display:block;line-height:1}
.hero-stat span{font-size:.82rem;color:#a9cfcf;letter-spacing:.03em}

/* ---------- Sections ---------- */
section{padding:clamp(3.5rem,8vh,6rem) 0}
.section-head{max-width:64ch;margin-bottom:2.6rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

.wash{background:var(--teal-wash)}
.sand{background:var(--sand)}
.ink-bg{background:var(--ink);color:#dfe7e7}
.ink-bg h2,.ink-bg h3{color:#fff}
.ink-bg .eyebrow{color:#7fbcbc}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split.reverse{direction:rtl}
.split.reverse>*{direction:ltr}
.split-media{position:relative}
.split-media img{width:100%;height:100%;max-height:520px;object-fit:cover;border-radius:var(--r)}
.split-media .badge{position:absolute;left:-14px;bottom:22px;background:var(--orange);color:#fff;
  padding:.9rem 1.3rem;border-radius:var(--r);font-family:var(--f-display);font-size:1.15rem;box-shadow:var(--shadow)}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ph{height:200px;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:1.5rem 1.5rem 1.7rem;flex:1;display:flex;flex-direction:column}
.card .num{font-family:var(--f-display);color:var(--orange);font-size:.95rem;margin-bottom:.4rem}
.card h3{margin-bottom:.5rem}
.card p{font-size:.95rem;color:var(--grey);margin-bottom:0}

/* feature list (no images) */
.feat{background:#fff;border:1px solid var(--line);border-left:3px solid var(--teal);
  border-radius:var(--r);padding:1.6rem 1.5rem;transition:border-color .2s,transform .2s}
.feat:hover{border-left-color:var(--orange);transform:translateY(-3px)}
.feat h3{font-size:1.12rem;margin-bottom:.4rem}
.feat p{font-size:.94rem;color:var(--grey);margin:0}
.feat .k{font-family:var(--f-body);font-weight:700;color:var(--teal);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}

/* ---------- Process steps ---------- */
.steps{counter-reset:step;display:grid;gap:1.1rem}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.3rem;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.5rem}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--f-display);font-size:1.5rem;color:var(--orange);line-height:1}
.step h3{font-size:1.1rem;margin-bottom:.25rem}
.step p{font-size:.94rem;color:var(--grey);margin:0}

/* ---------- Table ---------- */
.table-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
table{width:100%;border-collapse:collapse;font-size:.95rem}
thead th{background:var(--teal);color:#fff;text-align:left;font-family:var(--f-body);
  font-weight:600;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;padding:.95rem 1.2rem}
tbody td{padding:.95rem 1.2rem;border-top:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even){background:var(--teal-wash)}
tbody td:first-child{font-weight:600;color:var(--ink)}

/* ---------- SOP frequency ---------- */
.sop{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.sop-item{background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:var(--r);padding:1.4rem}
.sop-item h4{font-family:var(--f-body);font-weight:700;color:var(--teal);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.6rem}
.sop-item p{font-size:.9rem;color:var(--grey);margin:0}

/* ---------- Callout ---------- */
.callout{background:var(--teal-wash);border-left:4px solid var(--orange);border-radius:var(--r);
  padding:1.6rem 1.8rem;margin:1.6rem 0}
.callout strong{color:var(--teal-deep)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--teal);color:#fff;border-radius:var(--r);padding:clamp(2.4rem,5vw,3.6rem);
  display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:20ch}
.cta-band p{color:#cfe4e4;margin:.5rem 0 0}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.chip{background:#fff;border:1px solid var(--line);border-radius:100px;padding:.4em 1em;font-size:.86rem;color:var(--teal-deep);font-weight:500}
.wash .chip{background:#fff}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem)}
.info-row{display:flex;gap:1rem;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.info-row .ic{width:42px;height:42px;flex:none;border-radius:var(--r);background:var(--teal-wash);
  display:grid;place-items:center;color:var(--teal)}
.info-row h4{font-family:var(--f-body);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-bottom:.15rem;font-weight:600}
.info-row p{margin:0;font-weight:500}
.form-field{margin-bottom:1.1rem}
.form-field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem;color:var(--ink)}
.form-field input,.form-field textarea{width:100%;padding:.85em 1em;border:1px solid var(--line);
  border-radius:var(--r);font-family:inherit;font-size:1rem;background:#fff;transition:border-color .15s}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--teal)}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#9fb0b3;padding-top:clamp(3rem,6vh,4.5rem)}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:2.4rem}
footer h4{color:#fff;font-family:var(--f-body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.1rem}
footer a{color:#9fb0b3;font-size:.95rem;line-height:2.1;transition:color .15s}
footer a:hover{color:var(--orange)}
footer .brand b{color:#fff}
footer .brand small{color:#7f9295}
footer ul{list-style:none}
footer .fdesc{font-size:.95rem;margin-top:1rem;max-width:38ch}
.foot-bottom{border-top:1px solid #23383e;margin-top:2.6rem;padding:1.5rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#7f9295}

/* ---------- Reveal animation (progressive enhancement) ----------
   Content is fully visible by default. Only when JS adds .js-reveal to
   <html> do elements start hidden, so no-JS/observer-failure still shows all. */
.js-reveal .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js-reveal .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js-reveal .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
/* Tablet / small-desktop */
@media (max-width:960px){
  .split,.split.reverse{grid-template-columns:1fr;direction:ltr}
  .grid-3,.sop{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .hero-strip .wrap{grid-template-columns:1fr 1fr}
}

/* Mobile menu + phone layout — triggers well before typical phone widths */
@media (max-width:860px){
  .burger{display:block}
  .nav .cta .btn-ghost{display:none}
  .menu{
    position:fixed;left:0;right:0;top:var(--navh,116px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:.5rem var(--gutter) 1.1rem;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-130%);opacity:0;visibility:hidden;
    transition:transform .28s ease,opacity .2s ease,visibility 0s linear .28s;
    max-height:calc(100dvh - var(--navh,116px));overflow:auto;
  }
  .menu.open{transform:none;opacity:1;visibility:visible;transition:transform .28s ease,opacity .2s ease}
  .menu a{padding:.95em .4em;border-bottom:1px solid var(--line);font-size:1.02rem}
  .menu a:last-child{border-bottom:none}
  .topline .tags:first-child{display:none}
  .topline .wrap{justify-content:center}
}

/* Phones */
@media (max-width:640px){
  .grid-3,.grid-2,.sop{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
  .hero-strip .wrap{grid-template-columns:1fr 1fr}
  .topline{font-size:.76rem}
  .hero .wrap{padding-top:2.5rem;padding-bottom:2.5rem}
}