/* =========================================================
   G&G ENGINEERS & CONSULTANT — SITE STYLES
   Design language: geological core-log / survey-report system.
   Depth-band motif + PEC service codes used as real content
   markers rather than decorative numbering.
   ========================================================= */

:root{
  /* --- palette --- */
  --ink:        #1A1410;
  --plum-deep:  #201025;
  --plum:       #3C2145;
  --plum-mid:   #4E2C59;
  --plum-soft:  #6b3f78;
  --stone:      #EDE7DA;
  --stone-2:    #E1DAC7;
  --paper:      #F8F5EC;
  --white:      #FFFEFA;
  --copper:     #B5602C;
  --copper-lt:  #D98A4F;
  --teal:       #1F7A6C;
  --teal-lt:    #3FA692;
  --amber:      #DDA320;
  --line:       rgba(26,20,16,0.12);
  --line-lt:    rgba(255,255,255,0.18);

  /* --- type --- */
  --f-display: 'Big Shoulders Display', sans-serif;
  --f-body:    'Work Sans', sans-serif;
  --f-mono:    'IBM Plex Mono', monospace;

  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
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); font-weight:700; line-height:1.02; margin:0; letter-spacing:0.2px; }
p{ margin:0 0 1em; }
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}
:focus-visible{ outline:3px solid var(--copper); outline-offset:2px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* --- eyebrow / mono labels --- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--copper);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px; height:2px;
  background:var(--copper);
  display:inline-block;
}
.eyebrow.on-dark{ color:var(--amber); }

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--plum-deep);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 28px;
  max-width:1180px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  background:var(--white);
  border-radius:6px;
  padding:5px 8px;
  display:flex; align-items:center;
  height:44px;
}
.brand-mark img{ height:34px; width:auto; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{
  font-family:var(--f-display);
  color:var(--white);
  font-size:1.05rem;
  letter-spacing:0.4px;
}
.brand-text span{
  font-family:var(--f-mono);
  color:var(--stone-2);
  font-size:0.62rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
}
.main-nav ul{ display:flex; gap:2px; align-items:center; }
.main-nav a{
  font-family:var(--f-mono);
  font-size:0.78rem;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:var(--stone-2);
  padding:10px 14px;
  border-radius:3px;
  transition:color .15s ease, background .15s ease;
}
.main-nav a:hover{ color:var(--white); background:rgba(255,255,255,0.06); }
.main-nav a.active{ color:var(--amber); }
.main-nav .nav-cta{
  background:var(--copper);
  color:var(--white) !important;
  margin-left:8px;
  padding:10px 16px;
}
.main-nav .nav-cta:hover{ background:var(--copper-lt); }
.nav-toggle{
  display:none;
  background:none; border:1px solid rgba(255,255,255,0.3);
  border-radius:4px; padding:8px 10px; cursor:pointer;
}
.nav-toggle span{ display:block; width:20px; height:2px; background:var(--white); margin:4px 0; }

@media (max-width: 900px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:absolute; top:100%; left:0; right:0;
    background:var(--plum-deep);
    border-bottom:1px solid rgba(255,255,255,0.1);
    max-height:0; overflow:hidden;
    transition:max-height .25s ease;
  }
  .main-nav.open{ max-height:420px; }
  .main-nav ul{ flex-direction:column; align-items:stretch; padding:10px 20px 18px; gap:0; }
  .main-nav a{ padding:12px 4px; border-bottom:1px solid rgba(255,255,255,0.06); }
  .main-nav .nav-cta{ margin:12px 0 0; text-align:center; }
}

/* =========================================================
   CORE-LOG SIGNATURE MOTIF
   A vertical banded strip echoing borehole core logs.
   Used decoratively AND as a real index of PEC service codes.
   ========================================================= */
.core-strip{
  display:flex; flex-direction:column;
  width:14px; border-radius:2px; overflow:hidden;
  box-shadow:0 0 0 1px rgba(0,0,0,0.15) inset;
}
.core-strip span{ display:block; flex:1; }
.core-band-1{ background:#8a5a34; }
.core-band-2{ background:#c99a53; }
.core-band-3{ background:#5b4636; }
.core-band-4{ background:#9c7148; }
.core-band-5{ background:#3e5c52; }
.core-band-6{ background:#c7ae7c; }
.core-band-7{ background:#6b4a3a; }
.core-band-8{ background:#a9633a; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  background:linear-gradient(155deg, var(--plum-deep) 0%, var(--plum) 62%, var(--plum-mid) 100%);
  color:var(--white);
  overflow:hidden;
  padding:76px 0 0;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  align-items:center;
  max-width:1180px; margin:0 auto; padding:0 28px 64px;
  position:relative; z-index:2;
}
.hero h1{
  font-size:clamp(2.6rem, 5vw, 4.1rem);
  color:var(--white);
  text-transform:uppercase;
}
.hero h1 em{ font-style:normal; color:var(--amber); }
.hero .lede{
  font-size:1.12rem;
  color:var(--stone-2);
  max-width:46ch;
  margin:20px 0 30px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.btn{
  font-family:var(--f-mono);
  font-size:0.82rem;
  letter-spacing:0.05em;
  text-transform:uppercase;
  padding:14px 22px;
  border-radius:3px;
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--copper); color:var(--white); }
.btn-primary:hover{ background:var(--copper-lt); }
.btn-ghost{ border-color:rgba(255,255,255,0.4); color:var(--white); }
.btn-ghost:hover{ border-color:var(--white); background:rgba(255,255,255,0.06); }
.btn-ghost.dark{ border-color:rgba(26,20,16,0.35); color:var(--ink); }
.btn-ghost.dark:hover{ border-color:var(--ink); background:rgba(26,20,16,0.05); }

.hero-figure{
  position:relative;
  border:1px solid rgba(255,255,255,0.18);
  border-radius:4px;
  overflow:hidden;
  aspect-ratio:9/8;
}
.hero-figure img{ width:100%; height:100%; object-fit:cover; }
.hero-figure::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(32,16,37,0) 40%, rgba(32,16,37,0.75) 100%);
}
.hero-tag{
  position:absolute; left:14px; bottom:14px; z-index:2;
  font-family:var(--f-mono); font-size:0.68rem;
  letter-spacing:0.06em; text-transform:uppercase;
  color:var(--stone-2);
  border-left:2px solid var(--amber);
  padding-left:10px;
}

.hero-strip-rail{
  position:absolute; right:0; top:0; bottom:0; width:14px;
  display:flex; z-index:1; opacity:0.9;
}

/* stat ticker under hero */
.stat-bar{
  background:var(--ink);
  color:var(--stone-2);
  border-top:1px solid rgba(255,255,255,0.08);
}
.stat-bar .container{
  display:flex; flex-wrap:wrap; gap:0;
  padding:0;
}
.stat-item{
  font-family:var(--f-mono);
  font-size:0.72rem;
  letter-spacing:0.05em;
  text-transform:uppercase;
  padding:14px 24px;
  border-right:1px solid rgba(255,255,255,0.09);
  flex:1 1 auto;
  white-space:nowrap;
}
.stat-item strong{ color:var(--amber); margin-right:6px; }
.stat-item:last-child{ border-right:none; }

/* =========================================================
   PAGE HEADER (interior pages)
   ========================================================= */
.page-header{
  background:linear-gradient(155deg, var(--plum-deep) 0%, var(--plum) 100%);
  color:var(--white);
  padding:64px 0 46px;
  position:relative;
}
.page-header h1{
  font-size:clamp(2.2rem,4.4vw,3.4rem);
  color:var(--white);
  text-transform:uppercase;
}
.page-header .lede{ color:var(--stone-2); max-width:62ch; font-size:1.05rem; margin-top:16px; }
.crumb{
  font-family:var(--f-mono); font-size:0.7rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--stone-2); margin-bottom:18px; display:block;
}
.crumb a{ color:var(--amber); }

/* =========================================================
   SECTIONS / GENERIC
   ========================================================= */
section{ padding:88px 0; }
.section-tight{ padding:56px 0; }
.section-head{ max-width:760px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(1.8rem,3.4vw,2.6rem); text-transform:uppercase; }
.section-head .lede{ font-size:1.05rem; color:#453a35; margin-top:14px; }
.on-dark{ background:var(--plum-deep); color:var(--white); }
.on-dark .section-head .lede{ color:var(--stone-2); }
.on-stone{ background:var(--stone); }
.on-teal{ background:linear-gradient(155deg,#153e38,var(--teal)); color:var(--white); }

/* =========================================================
   PRINCIPAL ACTIVITIES / ICON GRID
   ========================================================= */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
@media (max-width:920px){
  .grid-3, .grid-4{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:620px){
  .grid-3, .grid-4, .grid-2{ grid-template-columns:1fr; }
}

.card{
  background:var(--white);
  border:1px solid var(--line);
  padding:26px 24px;
  border-radius:2px;
  position:relative;
}
.card .code{
  font-family:var(--f-mono); font-size:0.7rem; color:var(--copper);
  letter-spacing:0.06em; display:block; margin-bottom:10px;
}
.card h3{ font-size:1.28rem; margin-bottom:10px; text-transform:uppercase; letter-spacing:0.3px; }
.card p{ color:#4a3f39; font-size:0.94rem; margin-bottom:0; }
.card ul{ margin-top:10px; }
.card ul li{
  font-size:0.9rem; color:#4a3f39; padding:5px 0 5px 16px; position:relative;
}
.card ul li::before{
  content:""; position:absolute; left:0; top:13px; width:6px; height:6px; background:var(--copper);
}

.icon-box{
  width:44px; height:44px; border:1.5px solid var(--copper);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px; color:var(--copper);
}
.icon-box svg{ width:22px; height:22px; }

/* =========================================================
   ABOUT TEASER (home)
   ========================================================= */
.split{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:center;
}
@media (max-width:860px){ .split{ grid-template-columns:1fr; } }
.split img{ border-radius:2px; border:1px solid var(--line); }
.split-reverse{ grid-template-columns:1.1fr 0.9fr; }
@media (max-width:860px){ .split-reverse{ grid-template-columns:1fr; } }

/* =========================================================
   ROADMAP / CORE-LOG TIMELINE (signature element)
   ========================================================= */
.roadmap{
  position:relative;
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:2px;
  border:1px solid rgba(255,255,255,0.15);
}
@media (max-width:1000px){ .roadmap{ grid-template-columns:repeat(4,1fr); } }
@media (max-width:640px){ .roadmap{ grid-template-columns:repeat(2,1fr); } }
.roadmap-step{
  background:rgba(255,255,255,0.04);
  padding:22px 16px 20px;
  min-height:190px;
  display:flex; flex-direction:column;
  border-bottom:3px solid var(--amber);
}
.roadmap-step:nth-child(2){ border-color:var(--copper-lt); }
.roadmap-step:nth-child(3){ border-color:var(--teal-lt); }
.roadmap-step:nth-child(4){ border-color:var(--amber); }
.roadmap-step:nth-child(5){ border-color:var(--copper-lt); }
.roadmap-step:nth-child(6){ border-color:var(--teal-lt); }
.roadmap-step:nth-child(7){ border-color:var(--amber); }
.roadmap-step .depth{
  font-family:var(--f-mono); font-size:0.68rem; color:var(--amber);
  letter-spacing:0.06em; margin-bottom:14px;
}
.roadmap-step h4{ color:var(--white); font-size:1.02rem; text-transform:uppercase; margin-bottom:8px; letter-spacing:0.3px; }
.roadmap-step p{ color:var(--stone-2); font-size:0.85rem; margin:0; }

/* =========================================================
   SERVICE CODE TABLE (licensed categories)
   ========================================================= */
.code-table{
  width:100%; border-collapse:collapse; font-family:var(--f-mono); font-size:0.85rem;
}
.code-table th{
  text-align:left; text-transform:uppercase; letter-spacing:0.06em; font-size:0.7rem;
  color:var(--copper); border-bottom:2px solid var(--ink); padding:10px 14px;
}
.code-table td{ padding:11px 14px; border-bottom:1px solid var(--line); }
.code-table tr:hover td{ background:rgba(181,96,44,0.06); }
.code-table .code-cell{ color:var(--copper); font-weight:600; white-space:nowrap; }

/* =========================================================
   WHY CHOOSE US strip
   ========================================================= */
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line); }
@media (max-width:920px){ .why-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .why-grid{ grid-template-columns:1fr; } }
.why-item{ background:var(--paper); padding:30px 24px; }
.why-item .num{ font-family:var(--f-mono); color:var(--copper); font-size:0.78rem; display:block; margin-bottom:12px; }
.why-item h4{ font-size:1.08rem; text-transform:uppercase; margin-bottom:8px; }
.why-item p{ font-size:0.9rem; color:#4a3f39; margin:0; }

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{
  background:var(--copper);
  color:var(--white);
  padding:56px 0;
}
.cta-band .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.cta-band h2{ font-size:clamp(1.6rem,3vw,2.2rem); text-transform:uppercase; color:var(--white); max-width:20ch; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--ink); color:var(--stone-2); padding:64px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h5{
  font-family:var(--f-mono); text-transform:uppercase; letter-spacing:0.08em; font-size:0.72rem;
  color:var(--amber); margin-bottom:16px;
}
.footer-grid li{ margin-bottom:10px; font-size:0.88rem; }
.footer-grid a:hover{ color:var(--white); }
.footer-brand p{ color:#a89f95; font-size:0.9rem; max-width:36ch; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family:var(--f-mono); font-size:0.7rem; letter-spacing:0.03em; color:#7d746b;
}

/* =========================================================
   FORM (contact)
   ========================================================= */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{
  font-family:var(--f-mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink);
}
.field input, .field select, .field textarea{
  font-family:var(--f-body); font-size:0.95rem;
  padding:12px 14px; border:1px solid var(--line); background:var(--white);
  border-radius:2px; color:var(--ink);
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:2px solid var(--copper); border-color:var(--copper); }

.contact-card{
  background:var(--white); border:1px solid var(--line); padding:28px;
}
.contact-card h4{ text-transform:uppercase; font-size:0.95rem; margin-bottom:14px; letter-spacing:0.3px; }
.contact-card p{ font-size:0.92rem; color:#4a3f39; }
.contact-card a{ color:var(--copper); }

.map-frame{ border:1px solid var(--line); overflow:hidden; height:340px; }
.map-frame iframe{ width:100%; height:100%; border:0; filter:grayscale(0.15) contrast(1.05); }

.form-note{
  font-family:var(--f-mono); font-size:0.75rem; color:#7d746b; margin-top:14px;
}
.success-msg{
  display:none; background:var(--teal); color:var(--white); padding:16px 18px; font-family:var(--f-mono); font-size:0.85rem; margin-top:18px;
}
.success-msg.show{ display:block; }

/* =========================================================
   MISC UTILITIES
   ========================================================= */
.tag-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.tag{
  font-family:var(--f-mono); font-size:0.72rem; letter-spacing:0.04em; text-transform:uppercase;
  border:1px solid var(--line); padding:7px 12px; color:#4a3f39;
}
.tag.on-dark{ border-color:rgba(255,255,255,0.25); color:var(--stone-2); }

.divider{ height:1px; background:var(--line); margin:56px 0; }

.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

.equip-card{
  background:var(--white); border:1px solid var(--line);
}
.equip-card img{ width:100%; height:190px; object-fit:cover; border-bottom:1px solid var(--line); }
.equip-card .body{ padding:20px 22px; }
.equip-card h3{ font-size:1.1rem; text-transform:uppercase; margin-bottom:10px; }
.equip-card .spec{ font-family:var(--f-mono); font-size:0.78rem; color:#4a3f39; padding:4px 0; border-bottom:1px dashed var(--line); }
.equip-card .spec:last-child{ border-bottom:none; }

.anchor-nav{
  position:sticky; top:73px; z-index:50;
  background:var(--stone); border-bottom:1px solid var(--line);
  overflow-x:auto;
}
.anchor-nav ul{ display:flex; gap:2px; padding:0 28px; max-width:1180px; margin:0 auto; white-space:nowrap; }
.anchor-nav a{
  font-family:var(--f-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.05em;
  padding:14px 16px; display:inline-block; color:#4a3f39; border-bottom:2px solid transparent;
}
.anchor-nav a:hover, .anchor-nav a.active{ color:var(--copper); border-bottom-color:var(--copper); }

.service-block{ padding:64px 0; border-bottom:1px solid var(--line); }
.service-block:last-child{ border-bottom:none; }
.service-block-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:flex-start; }
@media (max-width:900px){ .service-block-grid{ grid-template-columns:1fr; } }