/* ============================================================
   VÉRTICE ENGENHARIA — Design System
   Azul-marinho · Concreto · Laranja-obra
   Display: Archivo · Body: Inter · Dados: Space Mono
   ============================================================ */

:root{
  /* Color */
  --navy-900:#101D31;
  --navy-800:#152A45;
  --navy-700:#1E3A5F;   /* primary brand */
  --navy-600:#2A4A73;
  --navy-500:#3A5C8A;

  --orange:#E8650E;     /* accent — construction */
  --orange-600:#CB540A;
  --orange-200:#FBE0CD;

  --ink:#13181F;
  --concrete-700:#3F454E;
  --concrete-500:#6B7280;
  --concrete-400:#8A9099;
  --concrete-300:#C9CDD3;
  --concrete-200:#E1E4E8;
  --concrete-100:#ECEEF1;

  --paper:#F4F5F6;
  --paper-2:#EAECEF;
  --white:#FFFFFF;

  /* Type */
  --display:'Archivo',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'Space Mono','Courier New',monospace;

  /* Layout */
  --wrap:1240px;
  --gut:clamp(20px,5vw,40px);
  --header-h:74px;

  --r:4px;             /* deliberately tight radius — engineered, not soft */
  --shadow-sm:0 1px 2px rgba(16,29,49,.06),0 4px 14px rgba(16,29,49,.05);
  --shadow-md:0 8px 30px rgba(16,29,49,.10);
  --shadow-lg:0 24px 60px rgba(16,29,49,.18);

  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:2px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.05;letter-spacing:-.02em;color:var(--ink)}
.h-hero{font-size:clamp(2.5rem,6.2vw,4.6rem);font-weight:900;letter-spacing:-.035em}
h1{font-size:clamp(2.2rem,5vw,3.5rem)}
h2{font-size:clamp(1.9rem,3.8vw,2.9rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:700}
h4{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}
p{color:var(--concrete-700)}
strong{color:var(--ink);font-weight:600}

/* eyebrow — mono technical label with vertex tick */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.72rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--orange);margin-bottom:1.1rem;
}
.eyebrow::before{
  content:"";width:14px;height:14px;flex:none;
  background:
    linear-gradient(var(--orange),var(--orange)) center/100% 1.6px no-repeat,
    linear-gradient(var(--orange),var(--orange)) center/1.6px 100% no-repeat;
}
.eyebrow.on-dark{color:var(--orange)}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--concrete-500);line-height:1.55;max-width:60ch}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(70px,9vw,128px)}
.section--tight{padding-block:clamp(48px,6vw,80px)}
.section--paper{background:var(--paper)}
.section--navy{background:var(--navy-700);color:#fff}
.section--navy h2,.section--navy h3,.section--navy h4{color:#fff}
.section--navy p{color:#C5D0DE}
.section-head{max-width:760px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head .lead{margin-top:1.1rem}

/* index marker for section heads (e.g. 02 / SOBRE) */
.idx{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--concrete-400);text-transform:uppercase}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--body);font-weight:600;font-size:.98rem;
  padding:.92em 1.5em;border-radius:var(--r);
  transition:transform .2s var(--ease),background .2s,box-shadow .2s,color .2s;
  white-space:nowrap;line-height:1;
}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(232,101,14,.28)}
.btn--primary:hover{background:var(--orange-600);transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,101,14,.36)}
.btn--navy{background:var(--navy-700);color:#fff}
.btn--navy:hover{background:var(--navy-800);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--navy-700);box-shadow:inset 0 0 0 1.5px var(--concrete-300)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--navy-700);transform:translateY(-2px)}
.btn--ghost-light{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.btn--ghost-light:hover{box-shadow:inset 0 0 0 1.5px #fff;background:rgba(255,255,255,.06);transform:translateY(-2px)}
.btn--wa{background:#1FA855;color:#fff}
.btn--wa:hover{background:#188C46;transform:translateY(-2px)}
.btn--lg{padding:1.05em 1.8em;font-size:1.05rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--concrete-200);
  transition:box-shadow .3s,background .3s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px}
.brand__mark{width:30px;height:30px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--display);font-weight:900;font-size:1.18rem;letter-spacing:-.02em;color:var(--navy-700)}
.brand__sub{font-family:var(--mono);font-size:.56rem;letter-spacing:.34em;color:var(--concrete-400);text-transform:uppercase;margin-top:3px}
.nav__links{display:flex;align-items:center;gap:4px}
.nav__links a{
  font-size:.94rem;font-weight:500;color:var(--concrete-700);
  padding:.55em .85em;border-radius:var(--r);position:relative;transition:color .2s;
}
.nav__links a:hover{color:var(--navy-700)}
.nav__links a.active{color:var(--navy-700);font-weight:600}
.nav__links a.active::after{
  content:"";position:absolute;left:.85em;right:.85em;bottom:.2em;height:2px;background:var(--orange);
}
.nav__cta{margin-left:10px}
.nav__toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;padding:0 10px}
.nav__toggle span{height:2px;background:var(--navy-700);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (home) ---------- */
.hero{
  position:relative;background:var(--navy-700);color:#fff;overflow:hidden;
  border-bottom:3px solid var(--orange);
}
.hero__grid{
  position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(120deg,#000 30%,transparent 85%);
}
.hero__art{
  position:absolute;right:0;top:0;bottom:0;width:52%;
  background:url("../img/hero.svg") center right/cover no-repeat;
  mask-image:linear-gradient(90deg,transparent,#000 38%);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 38%);
  opacity:.9;
}
.hero__inner{position:relative;z-index:2;padding-block:clamp(70px,11vw,140px);max-width:680px}
.hero .eyebrow{color:var(--orange)}
.hero p.lead{color:#C9D5E4;margin:1.4rem 0 2rem}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(40px,6vw,64px);
  border-top:1px solid rgba(255,255,255,.16);
}
.hstat{padding:22px 28px 8px 0;margin-right:28px}
.hstat__n{font-family:var(--display);font-weight:900;font-size:clamp(1.8rem,3vw,2.4rem);letter-spacing:-.03em}
.hstat__n .u{color:var(--orange);font-size:.6em;margin-left:2px}
.hstat__l{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#9DB0C6;margin-top:4px}

/* corner vertex marks for framed elements */
.framed{position:relative}
.framed::before,.framed::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;
}
.framed::before{top:10px;left:10px;border-top:2px solid var(--orange);border-left:2px solid var(--orange)}
.framed::after{bottom:10px;right:10px;border-bottom:2px solid var(--orange);border-right:2px solid var(--orange)}

/* ---------- Page header (inner pages) ---------- */
.page-hero{
  background:var(--navy-700);color:#fff;position:relative;overflow:hidden;
  border-bottom:3px solid var(--orange);
}
.page-hero__grid{
  position:absolute;inset:0;opacity:.4;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(120deg,#000,transparent 80%);
}
.page-hero__inner{position:relative;z-index:2;padding-block:clamp(56px,8vw,96px);max-width:780px}
.page-hero .eyebrow{color:var(--orange)}
.page-hero h1{color:#fff;margin-bottom:1rem}
.page-hero p{color:#C9D5E4;font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:62ch}

/* breadcrumbs */
.crumbs{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.4rem;color:#9DB0C6}
.crumbs a{color:#C9D5E4;transition:color .2s}
.crumbs a:hover{color:var(--orange)}
.crumbs .sep{margin:0 .55em;color:var(--orange);opacity:.7}

/* ---------- Authority counters (light) ---------- */
.counters{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--concrete-200);border:1px solid var(--concrete-200)}
.counter{background:var(--white);padding:clamp(28px,4vw,44px) clamp(20px,3vw,32px);position:relative}
.counter::before{content:"";position:absolute;top:16px;left:16px;width:11px;height:11px;background:
  linear-gradient(var(--orange),var(--orange)) center/100% 2px no-repeat,
  linear-gradient(var(--orange),var(--orange)) center/2px 100% no-repeat;}
.counter__n{font-family:var(--display);font-weight:900;font-size:clamp(2.4rem,4.5vw,3.4rem);letter-spacing:-.03em;color:var(--navy-700);line-height:1}
.counter__n .u{color:var(--orange)}
.counter__l{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete-500);margin-top:10px}

/* ---------- Service cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.svc{
  background:var(--white);border:1px solid var(--concrete-200);border-radius:var(--r);
  padding:clamp(26px,3vw,36px);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.svc::after{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--orange);transition:height .35s var(--ease)}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--concrete-300)}
.svc:hover::after{height:100%}
.svc__no{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--orange);margin-bottom:18px}
.svc__icon{width:46px;height:46px;margin-bottom:20px;color:var(--navy-700)}
.svc h3{margin-bottom:.6rem}
.svc p{font-size:.96rem}
.svc__link{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-700);font-weight:700;margin-top:18px;transition:gap .2s,color .2s}
.svc__link:hover{gap:12px;color:var(--orange)}

/* benefit list */
.benefits{display:grid;gap:2px;background:var(--concrete-200);border:1px solid var(--concrete-200);border-radius:var(--r);overflow:hidden}
.benefit{background:var(--white);padding:26px clamp(22px,3vw,34px);display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start}
.benefit__k{font-family:var(--mono);font-size:.74rem;color:var(--orange);font-weight:700;letter-spacing:.1em;padding-top:5px}
.benefit h4{margin-bottom:.35rem}
.benefit p{font-size:.95rem}

/* ---------- Project cards ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj{
  position:relative;display:block;border-radius:var(--r);overflow:hidden;
  background:var(--navy-800);aspect-ratio:4/3;
  box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s;
}
.proj img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.proj__veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(16,29,49,.92) 0%,rgba(16,29,49,.25) 55%,transparent 100%);z-index:1}
.proj__body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px;color:#fff;transition:transform .4s var(--ease)}
.proj__cat{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:8px}
.proj h3{color:#fff;font-size:1.3rem;margin-bottom:6px}
.proj__meta{font-family:var(--mono);font-size:.74rem;color:#B8C6D8;letter-spacing:.04em}
.proj__go{position:absolute;top:18px;right:18px;z-index:2;width:40px;height:40px;border-radius:var(--r);
  background:rgba(255,255,255,.12);backdrop-filter:blur(4px);display:grid;place-items:center;color:#fff;
  opacity:0;transform:translate(-6px,6px);transition:opacity .35s,transform .35s,background .25s}
.proj:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.proj:hover img{transform:scale(1.07)}
.proj:hover .proj__go{opacity:1;transform:translate(0,0)}
.proj:hover .proj__go{background:var(--orange)}

/* filter chips */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
  padding:.6em 1.1em;border-radius:100px;background:var(--white);
  box-shadow:inset 0 0 0 1.5px var(--concrete-300);color:var(--concrete-500);transition:all .2s;
}
.chip:hover{box-shadow:inset 0 0 0 1.5px var(--navy-700);color:var(--navy-700)}
.chip.active{background:var(--navy-700);color:#fff;box-shadow:none}

/* ---------- GEO explainer band ---------- */
.geo{position:relative;overflow:hidden}
.geo__row{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.geo__panel{background:var(--navy-800);border-radius:var(--r);padding:clamp(26px,3vw,38px);color:#fff;position:relative;box-shadow:var(--shadow-lg)}
.geo__panel .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;color:#9DB0C6;text-transform:uppercase}
.geo__q{font-family:var(--display);font-weight:700;font-size:1.15rem;color:#fff;margin:6px 0 14px;line-height:1.3}
.geo__a{background:rgba(232,101,14,.12);border-left:3px solid var(--orange);padding:16px 18px;border-radius:0 var(--r) var(--r) 0;font-size:.95rem;color:#E8EEF5}
.geo__a strong{color:#fff}
.geo__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.geo__chips span{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:#B8C6D8;background:rgba(255,255,255,.07);padding:6px 10px;border-radius:3px}
.geo-points{display:grid;gap:18px;margin-top:24px}
.geo-point{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.geo-point__n{width:34px;height:34px;flex:none;border-radius:var(--r);background:var(--orange);color:#fff;font-family:var(--mono);font-weight:700;display:grid;place-items:center;font-size:.85rem}
.geo-point h4{margin-bottom:.25rem}
.geo-point p{font-size:.95rem}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:var(--white);border:1px solid var(--concrete-200);border-radius:var(--r);padding:clamp(26px,3vw,34px);position:relative}
.quote__mark{font-family:var(--display);font-weight:900;font-size:3.4rem;color:var(--concrete-200);line-height:.6;height:30px}
.quote p{font-size:1rem;color:var(--concrete-700);margin-bottom:22px}
.quote__who{display:flex;align-items:center;gap:13px;border-top:1px solid var(--concrete-100);padding-top:18px}
.quote__av{width:42px;height:42px;border-radius:50%;background:var(--navy-700);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:800;flex:none}
.quote__n{font-weight:600;font-size:.95rem;color:var(--ink)}
.quote__r{font-family:var(--mono);font-size:.7rem;color:var(--concrete-500);letter-spacing:.04em}

/* ---------- CTA band ---------- */
.cta{background:var(--navy-700);color:#fff;position:relative;overflow:hidden;border-top:3px solid var(--orange)}
.cta__grid{position:absolute;inset:0;opacity:.4;background-image:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(circle at 70% 40%,#000,transparent 75%)}
.cta__inner{position:relative;z-index:2;text-align:center;max-width:720px;margin-inline:auto}
.cta h2{color:#fff;margin-bottom:1rem}
.cta p{color:#C9D5E4;margin-bottom:2rem;font-size:1.1rem}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--concrete-500);font-weight:700}
.field label .req{color:var(--orange)}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:1rem;color:var(--ink);
  padding:.85em 1em;border:1.5px solid var(--concrete-300);border-radius:var(--r);
  background:var(--white);transition:border-color .2s,box-shadow .2s;width:100%;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy-700);box-shadow:0 0 0 3px rgba(30,58,95,.12);
}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__note{font-family:var(--mono);font-size:.74rem;color:var(--concrete-500);letter-spacing:.03em}
.form-success{
  display:none;text-align:center;padding:clamp(36px,5vw,56px);
  border:1.5px solid var(--concrete-200);border-radius:var(--r);background:var(--paper);
}
.form-success.show{display:block;animation:pop .45s var(--ease)}
.form-success__ic{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:#1FA855;display:grid;place-items:center;color:#fff}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}

/* contact layout */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(34px,5vw,64px);align-items:start}
.info-list{display:grid;gap:2px;background:var(--concrete-200);border:1px solid var(--concrete-200);border-radius:var(--r);overflow:hidden;margin-bottom:24px}
.info{background:var(--white);padding:22px 26px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.info__ic{width:40px;height:40px;border-radius:var(--r);background:var(--paper);display:grid;place-items:center;color:var(--navy-700);flex:none}
.info__k{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete-500);margin-bottom:2px}
.info__v{font-weight:600;color:var(--ink);font-size:1rem}
.info__v a:hover{color:var(--orange)}
.map-embed{border-radius:var(--r);overflow:hidden;border:1px solid var(--concrete-200);box-shadow:var(--shadow-sm);line-height:0}
.map-embed iframe{width:100%;height:340px;border:0;filter:grayscale(.25) contrast(1.05)}

/* ---------- About / timeline ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,68px);align-items:center}
.media-frame{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-tag{position:absolute;left:0;bottom:0;z-index:3;background:var(--orange);color:#fff;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;padding:8px 14px;text-transform:uppercase}

.timeline{position:relative;margin-top:20px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--concrete-200)}
.tl{position:relative;padding-bottom:34px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-34px;top:5px;width:18px;height:18px;background:#fff;border:2px solid var(--orange);border-radius:50%}
.tl::after{content:"";position:absolute;left:-29px;top:10px;width:8px;height:8px;background:var(--orange);border-radius:50%}
.tl__yr{font-family:var(--mono);font-weight:700;font-size:.82rem;color:var(--orange);letter-spacing:.1em;margin-bottom:4px}
.tl h4{margin-bottom:.3rem}
.tl p{font-size:.96rem}

/* values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{padding:30px;border:1px solid var(--concrete-200);border-radius:var(--r);background:#fff}
.value__ic{width:42px;height:42px;color:var(--orange);margin-bottom:18px}
.value h4{margin-bottom:.45rem}
.value p{font-size:.95rem}

/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:left}
.member__ph{aspect-ratio:3/4;border-radius:var(--r);overflow:hidden;margin-bottom:16px;position:relative;background:var(--navy-800)}
.member__ph img{width:100%;height:100%;object-fit:cover}
.member__role{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:4px}
.member h4{font-size:1.1rem}
.member__cr{font-size:.85rem;color:var(--concrete-500);margin-top:3px;font-family:var(--mono)}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--concrete-200);border:1px solid var(--concrete-200);border-radius:var(--r);overflow:hidden}
.step{background:#fff;padding:clamp(26px,3vw,38px);position:relative}
.step__n{font-family:var(--display);font-weight:900;font-size:2.4rem;color:var(--concrete-200);line-height:1;margin-bottom:14px}
.step h4{margin-bottom:.5rem}
.step p{font-size:.95rem}

/* ---------- Detail page ---------- */
.det-hero{background:var(--navy-700);color:#fff;position:relative;overflow:hidden;border-bottom:3px solid var(--orange)}
.det-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden;margin-top:36px}
.det-fact{background:var(--navy-700);padding:24px 26px}
.det-fact__n{font-family:var(--display);font-weight:900;font-size:1.9rem;color:#fff;letter-spacing:-.02em}
.det-fact__n .u{color:var(--orange);font-size:.7em}
.det-fact__l{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#9DB0C6;margin-top:6px}

.gallery{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.gallery__main{border-radius:var(--r);overflow:hidden;aspect-ratio:16/10}
.gallery__main img{width:100%;height:100%;object-fit:cover}
.gallery__col{display:grid;gap:18px}
.gallery__col .g-img{border-radius:var(--r);overflow:hidden;aspect-ratio:16/11}
.gallery__col .g-img img{width:100%;height:100%;object-fit:cover}

.spec-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:.9rem}
.spec-table th,.spec-table td{text-align:left;padding:15px 0;border-bottom:1px solid var(--concrete-200)}
.spec-table th{color:var(--concrete-500);font-weight:400;letter-spacing:.06em;text-transform:uppercase;font-size:.74rem;width:42%}
.spec-table td{color:var(--ink);font-weight:700}

.prose-cols{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(34px,5vw,64px)}

/* ---------- Blog ---------- */
.post-feature{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border:1px solid var(--concrete-200);border-radius:var(--r);overflow:hidden;background:#fff;transition:box-shadow .3s,transform .3s}
.post-feature:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.post-feature__img{position:relative;aspect-ratio:16/11;background:var(--navy-800)}
.post-feature__img img{width:100%;height:100%;object-fit:cover}
.post-feature__body{padding:clamp(28px,3.5vw,44px);display:flex;flex-direction:column;justify-content:center}
.post-cat{display:inline-block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700;margin-bottom:14px}
.post-feature h3{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:.7rem}
.post-feature p{font-size:1rem;margin-bottom:18px}
.post-meta{font-family:var(--mono);font-size:.72rem;color:var(--concrete-500);letter-spacing:.04em}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.post{border:1px solid var(--concrete-200);border-radius:var(--r);overflow:hidden;background:#fff;transition:box-shadow .3s,transform .3s;display:flex;flex-direction:column}
.post:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.post__img{aspect-ratio:16/10;background:var(--navy-800)}
.post__img img{width:100%;height:100%;object-fit:cover}
.post__body{padding:24px;display:flex;flex-direction:column;flex:1}
.post h3{font-size:1.15rem;margin-bottom:.5rem;line-height:1.2}
.post p{font-size:.92rem;margin-bottom:16px;flex:1}

/* ---------- Article ---------- */
.article{max-width:760px;margin-inline:auto}
.article__head{margin-bottom:34px}
.article__head h1{font-size:clamp(2rem,4.2vw,3.1rem);margin:1rem 0;line-height:1.08}
.article__meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-family:var(--mono);font-size:.76rem;color:var(--concrete-500);letter-spacing:.04em;border-top:1px solid var(--concrete-200);border-bottom:1px solid var(--concrete-200);padding:16px 0}
.anchor-answer{background:var(--navy-700);color:#fff;border-radius:var(--r);padding:clamp(24px,3vw,34px);margin:30px 0;position:relative;border-left:4px solid var(--orange)}
.anchor-answer .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:10px;display:block}
.anchor-answer p{color:#E8EEF5;font-size:1.1rem;line-height:1.55}
.anchor-answer strong{color:#fff}
.article__body h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:2.4rem 0 1rem;scroll-margin-top:90px}
.article__body h3{margin:1.8rem 0 .8rem}
.article__body p{margin-bottom:1.2rem;font-size:1.08rem;color:var(--concrete-700)}
.article__body ul.dotted{margin:0 0 1.4rem;display:grid;gap:10px}
.article__body ul.dotted li{position:relative;padding-left:26px;color:var(--concrete-700)}
.article__body ul.dotted li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:11px;background:
  linear-gradient(var(--orange),var(--orange)) center/100% 2px no-repeat,
  linear-gradient(var(--orange),var(--orange)) center/2px 100% no-repeat}
.data-table{width:100%;border-collapse:collapse;margin:1rem 0 1.8rem;font-size:.96rem}
.data-table th,.data-table td{padding:13px 16px;text-align:left;border:1px solid var(--concrete-200)}
.data-table th{background:var(--paper);font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--concrete-700);font-weight:700}
.data-table td{font-family:var(--mono);font-size:.9rem;color:var(--ink)}
.data-table tr:nth-child(even) td{background:#FAFBFC}
.callout{background:var(--paper);border:1px solid var(--concrete-200);border-left:3px solid var(--orange);border-radius:0 var(--r) var(--r) 0;padding:22px 24px;margin:1.6rem 0}
.callout p{margin:0;font-size:1rem}

/* author box */
.author-box{display:flex;gap:18px;align-items:center;background:var(--paper);border:1px solid var(--concrete-200);border-radius:var(--r);padding:24px;margin-top:40px}
.author-box .av{width:56px;height:56px;border-radius:50%;background:var(--navy-700);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:1.2rem;flex:none}
.author-box__r{font-family:var(--mono);font-size:.72rem;color:var(--concrete-500);letter-spacing:.04em}

/* ---------- FAQ accordion ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq-item{border-bottom:1px solid var(--concrete-200)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 0;font-family:var(--display);font-weight:700;font-size:1.1rem;color:var(--ink);transition:color .2s}
.faq-q:hover{color:var(--navy-700)}
.faq-q .ic{flex:none;width:24px;height:24px;position:relative;transition:transform .3s var(--ease)}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--orange);border-radius:2px}
.faq-q .ic::before{left:0;right:0;top:11px;height:2px}
.faq-q .ic::after{top:0;bottom:0;left:11px;width:2px;transition:transform .3s var(--ease)}
.faq-item.open .faq-q .ic::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a__inner{padding:0 0 22px;color:var(--concrete-700);font-size:1rem;max-width:68ch}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#fff;padding-top:clamp(54px,7vw,84px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(28px,4vw,52px);padding-bottom:46px}
.footer-brand .brand__name{color:#fff}
.footer-brand p{color:#9DB0C6;font-size:.95rem;margin:18px 0;max-width:34ch}
.footer-creas{font-family:var(--mono);font-size:.72rem;color:#7C8DA3;letter-spacing:.06em}
.fcol h5{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:18px;font-weight:700}
.fcol ul{display:grid;gap:11px}
.fcol a{color:#C5D0DE;font-size:.94rem;transition:color .2s}
.fcol a:hover{color:#fff}
.fcol .addr{color:#9DB0C6;font-size:.92rem;line-height:1.7;font-style:normal}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.footer-bottom p{color:#7C8DA3;font-size:.82rem;font-family:var(--mono);letter-spacing:.03em}
.footer-disclaimer{color:#5E6F86 !important;font-size:.76rem !important}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:var(--r);background:rgba(255,255,255,.07);display:grid;place-items:center;color:#C5D0DE;transition:background .2s,color .2s}
.footer-social a:hover{background:var(--orange);color:#fff}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:55;width:58px;height:58px;border-radius:50%;
  background:#1FA855;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(31,168,85,.4);
  transition:transform .25s var(--ease)}
.wa-float:hover{transform:scale(1.08)}

/* ---------- Utilities ---------- */
.mt-s{margin-top:1rem}.mt-m{margin-top:1.8rem}.mt-l{margin-top:2.6rem}
.center{text-align:center}
.divider{height:1px;background:var(--concrete-200);border:0}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .team{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav__links{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--concrete-200);box-shadow:var(--shadow-md);
    padding:8px var(--gut) 18px;transform:translateY(-130%);transition:transform .35s var(--ease);
    max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  .nav__links.open{transform:translateY(0)}
  .nav__links a{padding:14px 4px;border-bottom:1px solid var(--concrete-100);font-size:1rem}
  .nav__links a.active::after{display:none}
  .nav__links a.active{color:var(--orange)}
  .nav__cta{margin:14px 0 0}
  .nav__cta .btn{width:100%;justify-content:center}
  .nav__toggle{display:flex}

  .grid-3,.proj-grid,.quotes,.post-grid,.values{grid-template-columns:repeat(2,1fr)}
  .geo__row,.split,.contact-grid,.prose-cols,.post-feature,.gallery{grid-template-columns:1fr}
  .gallery__col{grid-template-columns:1fr 1fr}
  .det-facts,.counters{grid-template-columns:repeat(2,1fr)}
  .hero__art{width:70%;opacity:.45}
}
@media(max-width:600px){
  body{font-size:16px}
  .grid-3,.grid-2,.grid-4,.proj-grid,.quotes,.post-grid,.values,.steps,.field--row{grid-template-columns:1fr}
  .gallery__col{grid-template-columns:1fr}
  .counters,.det-facts{grid-template-columns:1fr 1fr}
  .hstat{margin-right:18px}
  .hero__art{opacity:.3}
  .btn{width:100%;justify-content:center}
  .btn-row .btn{width:auto}
  .btn-row{gap:10px}
  .article__meta{gap:10px}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}