/* =========================================================
   CONSTRUCTA — Engineering Blueprint Design System
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* --- Color tokens (from the CONSTRUCTA mark: navy tower, gold flame, steel city) --- */
  --navy-950:#0A1522;
  --navy-900:#0E1C2E;
  --navy-800:#16273F;
  --navy-700:#1F3555;
  --navy-600:#2B476D;
  --gold-600:#9C7A45;
  --gold-500:#B4915B;
  --gold-400:#C9A46E;
  --steel-500:#7C8A98;
  --steel-300:#A9B4C0;
  --steel-100:#DCE1E6;
  --paper:#EFF1F0;
  --paper-dim:#E4E7E6;
  --white:#FFFFFF;
  --ink:#101820;
  --ink-soft:#3B4652;

  --line:rgba(16,24,32,0.12);
  --line-on-navy:rgba(255,255,255,0.14);

  /* --- Type --- */
  --f-display:'Space Grotesk', sans-serif;
  --f-body:'IBM Plex Sans', sans-serif;
  --f-mono:'IBM Plex Mono', monospace;

  /* --- Layout --- */
  --maxw:1240px;
  --gutter:clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--f-display); margin:0; line-height:1.1; letter-spacing:-0.01em; }
p{ margin:0; }

/* visible keyboard focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold-500);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

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

/* =========================================================
   Blueprint grid texture (used as background on navy sections)
   ========================================================= */
.blueprint{
  background-color:var(--navy-900);
  background-image:
    linear-gradient(var(--line-on-navy) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-navy) 1px, transparent 1px);
  background-size:48px 48px;
  background-position:-1px -1px;
}

/* =========================================================
   Eyebrow / drawing-code labels
   ========================================================= */
.code-label{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--gold-500);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.code-label::before{
  content:'';
  width:22px;
  height:1px;
  background:var(--gold-500);
  display:inline-block;
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,21,34,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-on-navy);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:84px;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand img{ height:52px; width:auto; }
.brand-word{
  font-family:var(--f-display); font-weight:700; font-size:15px;
  color:var(--white); letter-spacing:0.06em; line-height:1.25;
}
.brand-word small{
  display:block; font-family:var(--f-mono); font-weight:400; font-size:9.5px;
  letter-spacing:0.16em; color:var(--steel-300); text-transform:uppercase; margin-top:3px;
}
.nav-cta{
  font-family:var(--f-mono) !important; font-size:16px !important;
  border:1px solid var(--gold-500); color:var(--gold-700) !important;
  background-color:orangered; 
}
.nav-cta:hover{ background-color:red; color:red !important; }

.main-nav{ display:flex; align-items:center; gap:1px;}
.main-nav a{
  font-family:var(--f-mono); font-size:12.5px; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--steel-100);
  padding:10px 16px; border-radius:2px; transition:color .2s ease, background .2s ease;
  background-color: rgba(255,225,105,0.95);color:orangered;
}
.main-nav a:hover{ color:black; background:rgba(205,205,205,0.95); }
.main-nav a.active{ color:black; background:rgba(255,205,155,0.95); }


.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--white); margin:5px 0; }

@media (max-width:900px){
  .main-nav{
    position:fixed; inset:84px 0 0 0; background:var(--navy-950);
    flex-direction:column; align-items:flex-start; padding:24px var(--gutter);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease;
  }
  .main-nav.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .main-nav a{ width:100%; padding:16px 4px; border-bottom:1px solid var(--line-on-navy); font-size:14px; }
  .nav-cta{ margin-left:0; margin-top:0px; text-align:center; }
  .nav-toggle{ display:block; }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:13px; letter-spacing:0.05em; text-transform:uppercase;
  padding:14px 26px; border:1px solid transparent; cursor:pointer; transition:all .2s ease;
}
.btn-gold{ background:var(--gold-500); color:var(--navy-950); }
.btn-gold:hover{ background:var(--gold-400); }
.btn-outline{ border-color:var(--line-on-navy); color:var(--white); }
.btn-outline:hover{ border-color:var(--gold-500); color:var(--gold-400); }
.btn-outline-dark{ border-color:var(--line); color:var(--ink); }
.btn-outline-dark:hover{ border-color:var(--gold-600); color:var(--gold-600); }
.btn svg{ width:14px; height:14px; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; color:var(--white); overflow:hidden;
  padding:140px 0 120px;
}
.hero .wrap{ position:relative; z-index:2; }
.hero-eyebrow{ margin-bottom:26px; }
.hero h1{
  font-size:clamp(38px, 5.4vw, 68px); color:var(--white); max-width:15ch;
  font-weight:700;
}
.hero h1 em{ font-style:normal; color:var(--gold-400); }
.hero-lead{
  margin-top:26px; max-width:56ch; font-size:18px; color:var(--steel-100); font-weight:400;
}
.hero-actions{ margin-top:40px; display:flex; gap:16px; flex-wrap:wrap; }

.hero-photo-bg{ position:relative; }
.hero-photo-bg::before{
  content:'';
  position:absolute; inset:-12px;
  background-image:var(--hero-bg);
  background-size:cover; background-position:center;
  filter:blur(6px);
  opacity:0.3;
  z-index:1;
}
.hero-photo-bg .wrap{ position:relative; z-index:2; }


.hero-top{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.hero-img{ width:100%; aspect-ratio:4/3; overflow:hidden; border-radius:10px; background:var(--white); display:flex; align-items:center; justify-content:center; }
.hero-img img{ width:100%; height:100%; object-fit:contain; display:block; }
@media (max-width:760px){
  .hero-top{ grid-template-columns:1fr; gap:24px; }
}

.hero-img2{ width:100%; aspect-ratio:4/3; overflow:hidden; border-radius:10px; display:flex; align-items:center; justify-content:center; }
.hero-img2 img{ width:100%; height:100%; object-fit:contain; display:block; }

.hero-stats{
  margin-top:80px; display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line-on-navy);
}
.hero-stats div{ padding:22px 26px 0; border-left:1px solid var(--line-on-navy); }
.hero-stats div:first-child{ border-left:none; padding-left:0; }
.hero-stat-num{ font-family:var(--f-display); font-size:clamp(24px,3vw,34px); font-weight:700; color:var(--gold-400); }
.hero-stat-label{ font-family:var(--f-mono); font-size:11.5px; letter-spacing:0.05em; color:var(--steel-300); text-transform:uppercase; margin-top:6px; }

/* skyline silhouette motif */
.skyline{
  position:absolute; right:0; bottom:0; left:0; height:280px; z-index:1;
  opacity:0.5; pointer-events:none;
}
.skyline svg{ width:100%; height:100%; }

@media (max-width:760px){
  .hero-stats{ grid-template-columns:repeat(2,1fr); row-gap:24px; }
  .hero-stats div:nth-child(3){ border-left:none; padding-left:0; }
}

/* =========================================================
   Sections generic
   ========================================================= */
section{ padding:100px 0; }
.section-tight{ padding:70px 0; }
.section-head{ max-width:66ch; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,3.6vw,42px); margin-top:16px; color:var(--navy-900); }
.section-head p{ margin-top:18px; font-size:16.5px; color:var(--ink-soft); }
.on-navy .section-head h2{ color:var(--white); }
.on-navy .section-head p{ color:var(--steel-100); }
.section-head2{ max-width:126ch; margin-bottom:56px; }
.section-head2 h2{ font-size:clamp(28px,3.6vw,42px); margin-top:16px; color:var(--navy-900); }
.section-head2 p{ margin-top:18px; font-size:16.5px; color:var(--ink-soft); }
.on-navy .section-head2 h2{ color:var(--white); }
.on-navy .section-head2 p{ color:var(--steel-100); }
.on-navy{ background:var(--navy-950); color:var(--white); }

.section-divider{ height:1px; background:var(--line); }

/* =========================================================
   About / intro layout
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:start;
}
.about-figure{
  position:sticky; top:110px;
  border:1px solid var(--line); padding:28px; background:var(--white);
}
.about-figure img{ width:100%; }
.about-figure figcaption{
  font-family:var(--f-mono); font-size:11.5px; color:var(--steel-500);
  text-transform:uppercase; letter-spacing:0.06em; margin-top:14px;
}
.about-body p + p{ margin-top:20px; }
.about-body p{ color:var(--ink-soft); font-size:16px; }
.pull-quote{
  margin-top:40px; padding:26px 0 26px 28px; border-left:3px solid var(--gold-500);
  font-family:var(--f-display); font-size:22px; color:var(--navy-900); font-weight:500;
}
.about-grid--wide-left{ grid-template-columns:1.15fr 0.85fr; }

@media (max-width:900px){
  .about-grid,
  .about-grid--wide-left{ grid-template-columns:1fr; }
  .about-figure{ position:static; }
}

/* =========================================================
   Service list (index-style with mono codes)
   ========================================================= */
.spec-list{ border-top:1px solid var(--line); }
.spec-row{
  display:grid; grid-template-columns:1fr 1fr; gap:36px;
  padding:30px 0; border-bottom:1px solid var(--line); align-items:center;
}
.spec-row .code{ font-family:var(--f-mono); color:var(--gold-600); font-size:14px; margin-bottom:6px; }
.spec-row h3{ font-size:21px; color:var(--navy-900); margin-bottom:10px; }
.spec-row p{ color:var(--ink-soft); font-size:15px; }
.spec-img{ width:100%; aspect-ratio:4/3; overflow:hidden; border:1px solid var(--line); }
.spec-img img{ width:100%; height:100%; object-fit:cover; display:block; }
@media (max-width:760px){
  .spec-row{ grid-template-columns:1fr; gap:16px; }
  .spec-img{ aspect-ratio:16/9; }
}

/* =========================================================
   Differentiators
   ========================================================= */
.diff-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.diff-card{ background:var(--white); padding:38px 32px; }
.diff-card .code-label{ margin-bottom:18px; }
.diff-card h3{ font-size:22px; color:var(--navy-900); margin-bottom:12px; }
.diff-card p{ color:var(--ink-soft); font-size:15px; }
@media (max-width:820px){ .diff-grid{ grid-template-columns:1fr; } }

/* =========================================================
   Process rail (INITIATE / PLAN / MONITOR / CLOSEOUT etc.)
   ========================================================= */
.process-rail{
  display:grid; grid-auto-flow:column; grid-auto-columns:1fr; gap:1px;
  background:var(--line-on-navy); border:1px solid var(--line-on-navy); overflow-x:auto;
}
.process-step{ background:var(--navy-900); padding:30px 26px; min-width:210px; position:relative; }
.process-step .step-index{ font-family:var(--f-mono); font-size:11px; color:var(--gold-400); letter-spacing:0.1em; }
.process-step h4{ color:var(--white); font-size:17px; margin-top:10px; margin-bottom:16px; }
.process-step ul li{
  font-size:13.5px; color:var(--steel-100); padding:6px 0 6px 16px; position:relative;
}
.process-step ul li::before{ content:'—'; position:absolute; left:0; color:var(--gold-500); }
.process-step::after{
  content:''; position:absolute; right:-11px; top:50%; transform:translateY(-50%);
  width:0; height:0; border-top:8px solid transparent; border-bottom:8px solid transparent;
  border-left:10px solid var(--navy-950); z-index:2;
}
.process-step:last-child::after{ display:none; }

@media (max-width:760px){
  .process-rail{
    grid-auto-flow:row;
    grid-auto-columns:unset;
    overflow-x:visible;
  }
  .process-step{ min-width:0; }
  .process-step::after{ display:none; }
}

/* =========================================================
   Discipline cards (Team Capability)
   ========================================================= */
.discipline-nav{
  display:flex; flex-wrap:wrap; gap:10px; margin-bottom:60px;
}
.discipline-nav a{
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.04em; text-transform:uppercase;
  padding:9px 16px; border:1px solid var(--line); color:var(--ink-soft);
}
.discipline-nav a:hover{ border-color:var(--gold-600); color:var(--gold-600); }

.discipline{
  padding:64px 0; border-top:1px solid var(--line);
  scroll-margin-top:100px;
}
.discipline-head{
  display:grid; grid-template-columns:120px 1fr; gap:32px; align-items:start; margin-bottom:36px;
}
.discipline-head .code{
  font-family:var(--f-mono); font-size:15px; color:var(--gold-600); border:1px solid var(--line);
  padding:8px 10px; text-align:center; height:fit-content;
}
.discipline-head h3{ font-size:26px; color:var(--navy-900); }
.discipline-head .exp{
  font-family:var(--f-mono); font-size:11.5px; color:var(--steel-500); text-transform:uppercase; margin-top:8px;
}
.discipline-body p.lede{ color:var(--ink-soft); font-size:15.5px; max-width:80ch; margin-bottom:34px; }
.discipline-text p.lede{ color:var(--ink-soft); font-size:15px; max-width:none; margin-top:12px; margin-bottom:0; }

.discipline-top{
  display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center; margin-bottom:36px;
}

.discipline-img{ width:100%; aspect-ratio:4/3; overflow:hidden; border:1px solid var(--line); }
.discipline-img img{ width:100%; height:100%; object-fit:cover; display:block; }

.discipline-text .code{
  font-family:var(--f-mono); font-size:14px; color:var(--gold-600); margin-bottom:8px;
}
.discipline-text h3{ font-size:26px; color:var(--navy-900); margin-bottom:8px; }
.discipline-text .exp{
  font-family:var(--f-mono); font-size:11.5px; color:var(--steel-500); text-transform:uppercase;
}
@media (max-width:760px){
  .discipline-top{ grid-template-columns:1fr; gap:16px; }
  .discipline-img{ aspect-ratio:16/9; }
}

/* PM-01 image: shown smaller and fully visible (not cropped) */
#pm .discipline-img{
  width:33%; aspect-ratio:4/3; background:var(--white);
}
#pm .discipline-img img{ object-fit:contain; }
@media (max-width:760px){
  #pm .discipline-img{ width:50%; }
}


.phase-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.phase-col{ background:var(--paper); padding:26px 24px; }
.phase-col h5{
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--gold-600); margin-bottom:16px; padding-bottom:12px; border-bottom:1px solid var(--line);
}
.phase-col ul li{
  font-size:13.5px; color:var(--ink-soft); padding:5px 0 5px 14px; position:relative;
}
.phase-col ul li::before{ content:''; position:absolute; left:0; top:12px; width:5px; height:1px; background:var(--gold-600); }

@media (max-width:640px){
  .discipline-head{ grid-template-columns:1fr; }
}

/* =========================================================
   Onshore lifecycle ribbon
   ========================================================= */
.ribbon{
  display:flex; flex-wrap:wrap; gap:0; margin-bottom:56px;
}
.ribbon-step{
  flex:1 1 180px; padding:20px 24px; background:var(--navy-800); color:var(--white);
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.05em; text-transform:uppercase;
  position:relative; text-align:center;
}
.ribbon-step:nth-child(odd){ background:var(--navy-700); }

.list-columns{ column-count:3; column-gap:40px; }
.list-columns li{
  font-size:15px; color:var(--ink-soft); padding:9px 0 9px 18px; border-bottom:1px solid var(--line);
  position:relative; break-inside:avoid;
}
.list-columns li::before{ content:'▸'; position:absolute; left:0; color:var(--gold-600); font-size:12px; }
@media (max-width:900px){ .list-columns{ column-count:2; } }
@media (max-width:600px){ .list-columns{ column-count:1; } }

/* =========================================================
   Sector cards (index page)
   ========================================================= */
.sector-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-on-navy); border:1px solid var(--line-on-navy); }
.sector-card{ background:var(--navy-900); padding:36px 30px; transition:background .2s ease; }
.sector-card:hover{ background:var(--navy-800); }
.sector-card .code-label{ margin-bottom:20px; }
.sector-card h3{ color:var(--white); font-size:20px; margin-bottom:12px; }
.sector-card p{ color:var(--steel-100); font-size:14.5px; }
.sector-card .go{ margin-top:22px; font-family:var(--f-mono); font-size:12px; color:var(--gold-400); }
@media (max-width:820px){ .sector-grid{ grid-template-columns:1fr; } }

/* =========================================================
   Image banner
   ========================================================= */
.banner{ position:relative; overflow:hidden; }
.banner img{ width:100%; height:100%; object-fit:cover; }
.banner-caption{
  position:absolute; left:0; bottom:0; right:0;
  background:linear-gradient(0deg, rgba(10,21,34,0.85), transparent);
  padding:30px var(--gutter) 24px; color:var(--white);
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.06em; text-transform:uppercase;
}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background:var(--navy-950); color:var(--white); padding:90px 0; text-align:center;
}
.cta-band h2{ font-size:clamp(26px,4vw,40px); max-width:22ch; margin:0 auto; }
.cta-band p{ margin-top:18px; color:var(--steel-100); }
.cta-band .hero-actions{ justify-content:center; margin-top:36px; }

/* =========================================================
   Contact page
   ========================================================= */
.contact-grid{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:0; border:1px solid var(--line);
}
.contact-info{ background:var(--navy-950); color:var(--white); padding:56px 48px; }
.contact-info .code-label{ margin-bottom:24px; }
.contact-info h2{ color:var(--white); font-size:30px; margin-bottom:8px; }
.contact-info .role{ font-family:var(--f-mono); font-size:12.5px; color:var(--gold-400); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:36px; }
.contact-detail{ display:flex; gap:16px; padding:16px 0; border-top:1px solid var(--line-on-navy); }
.contact-detail:last-of-type{ border-bottom:1px solid var(--line-on-navy); }
.contact-detail .ico{ width:20px; height:20px; flex-shrink:0; margin-top:2px; color:var(--gold-400); }
.contact-detail .lbl{ font-family:var(--f-mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--steel-300); margin-bottom:4px; }
.contact-detail .val{ font-size:15px; color:var(--white); }
.contact-detail a.val:hover{ color:var(--gold-400); }
.map-link{ margin-top:32px; }

.contact-form{ background:var(--white); padding:56px 48px; }
.contact-form h3{ font-size:20px; color:var(--navy-900); margin-bottom:8px; }
.contact-form > p{ color:var(--ink-soft); font-size:14.5px; margin-bottom:32px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ margin-bottom:22px; }
.field label{
  display:block; font-family:var(--f-mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--steel-500); margin-bottom:8px;
}
.field input, .field textarea, .field select{
  width:100%; border:1px solid var(--line); background:var(--paper); padding:13px 14px;
  font-family:var(--f-body); font-size:14.5px; color:var(--ink); transition:border-color .2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--gold-600); outline:none; }
.field textarea{ resize:vertical; min-height:130px; }
.form-note{ font-size:12.5px; color:var(--steel-500); margin-top:6px; }
.form-status{ margin-top:16px; font-family:var(--f-mono); font-size:13px; }
.form-status.ok{ color:#2a7a4b; }
.form-status.err{ color:#b23b3b; }

@media (max-width:900px){
  .contact-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
}

/* =========================================================
   Title block — signature footer element
   (mimics an engineering drawing's title block)
   ========================================================= */
.title-block{
  background:var(--navy-950); color:var(--steel-100); border-top:1px solid var(--line-on-navy);
}
.title-block-grid{
  display:grid; grid-template-columns:1.6fr repeat(4,1fr); gap:1px; background:var(--line-on-navy); border-bottom:1px solid var(--line-on-navy);
}
.tb-cell{ background:var(--navy-950); padding:24px 26px; }
.tb-cell .lbl{ font-family:var(--f-mono); font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color:var(--steel-500); margin-bottom:10px; }
.tb-cell .val{ font-size:14px; color:var(--white); }
.tb-cell a.val:hover{ color:var(--gold-400); }
.tb-brand{ display:flex; align-items:center; gap:14px; }
.tb-brand img{ height:44px; }
.tb-brand .brand-word{ color:var(--white); }
.tb-links{ display:flex; flex-direction:column; gap:10px; }

.footer-bottom{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;
  padding:20px var(--gutter); max-width:var(--maxw); margin:0 auto;
  font-family:var(--f-mono); font-size:11px; color:var(--steel-500); letter-spacing:0.04em;
}

@media (max-width:900px){
  .title-block-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .title-block-grid{ grid-template-columns:1fr; }
}