/* ==========================================================================
   GlobalTech Construction Inc — Stylesheet
   Visual system: technical drafting / blueprint. Light vellum paper,
   graphite linework, copper accent, monospace data — deliberately distinct
   from a warm editorial-render house style used elsewhere.
   ========================================================================== */

:root {
  --paper:    #F1EEE4;
  --paper-2:  #E9E4D4;
  --paper-3:  #DDD6C2;
  --graphite: #1B1F23;
  --graphite-2: #2B3136;
  --line:     #565F66;
  --line-2:   #8B8F86;
  --copper:   #BE5B2E;
  --copper-l: #D98456;
  --copper-d: #8F441F;
  --white:    #FFFFFF;

  --display: "Space Grotesk", "Arial Narrow", Helvetica, Arial, sans-serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --maxw: 1240px;
  --gut: clamp(1.25rem, 4vw, 4rem);
  --nav-h: 76px;
  --ease: cubic-bezier(.16,.67,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: -1px -1px;
  background-attachment: fixed;
}
@media (max-width: 620px) { body { background-size: 30px 30px; } }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -.01em;
  text-transform: uppercase;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.3rem, 5.6vw, 4.2rem); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.15rem, 1.9vw, 1.5rem); text-transform: none; font-weight: 600; }

p { margin: 0 0 1.1em; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}
.eyebrow::before { content: "//"; opacity: .75; }
.eyebrow.center { justify-content: center; }

.lede { font-size: clamp(1.02rem, 1.35vw, 1.14rem); color: var(--line); max-width: 58ch; }
.muted { color: var(--line); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 var(--gut); }

.section { padding: clamp(4.2rem, 8.5vw, 7rem) 0; position: relative; }
.section-sm { padding: clamp(2.6rem, 5.5vw, 4.2rem) 0; }
.dark { background: var(--graphite); color: var(--paper); background-image: none; }
.dark .lede, .dark .muted { color: rgba(241,238,228,.6); }
.dark h1, .dark h2, .dark h3 { color: var(--paper); }
.dark .eyebrow { color: var(--copper-l); }
.panel {
  background: var(--paper);
  border: 1px solid var(--graphite);
  position: relative;
}

/* Registration crosshairs at section corners, drafting-sheet flourish */
.regmarks { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.regmarks::before, .regmarks::after,
.regmarks .rm-tr, .regmarks .rm-br {
  content: ""; position: absolute; width: 22px; height: 22px;
  background:
    linear-gradient(var(--line-2) 1px, transparent 1px) center / 100% 1px no-repeat,
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px) center / 1px 100% no-repeat;
  opacity: .55;
}
.regmarks::before { top: var(--gut); left: var(--gut); }
.regmarks::after { bottom: var(--gut); left: var(--gut); }
.regmarks .rm-tr { top: var(--gut); right: var(--gut); }
.regmarks .rm-br { bottom: var(--gut); right: var(--gut); }

.grid { display: grid; gap: clamp(1.4rem, 2.6vw, 2.4rem); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.2rem, 5vw, 5rem); align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 1.05rem 1.9rem;
  border: 1.5px solid var(--graphite);
  background: var(--graphite);
  color: var(--paper);
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover { background: var(--copper); border-color: var(--copper); color: var(--white); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--graphite); border-color: var(--graphite); }
.btn-ghost:hover { background: var(--graphite); border-color: var(--graphite); color: var(--paper); }
.dark .btn { background: var(--copper); border-color: var(--copper); color: var(--white); }
.dark .btn:hover { background: var(--paper); border-color: var(--paper); color: var(--graphite); }
.dark .btn-ghost { background: transparent; color: var(--paper); border-color: rgba(241,238,228,.4); }
.dark .btn-ghost:hover { background: var(--paper); border-color: var(--paper); color: var(--graphite); }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--mono);
  font-size: .74rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase;
  color: var(--copper); padding-bottom: .3rem;
  border-bottom: 1px solid rgba(190,91,46,.4);
  transition: gap .35s var(--ease), border-color .35s var(--ease);
}
.link-arrow:hover { gap: 1rem; border-color: var(--copper); }

/* ---------------------------------------------------------------- nav -- */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 1000;
  display: flex; align-items: center;
  background: rgba(241,238,228,.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1.5px solid var(--graphite);
  color: var(--graphite);
  transition: height .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav.solid { height: 64px; }
.nav.over-hero { background: rgba(241,238,228,.86); }

.brand { display: flex; align-items: center; gap: .75rem; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-mark path { stroke: var(--copper); }
.brand-text { line-height: 1.05; }
.brand-name { font-family: var(--display); font-size: 1.18rem; letter-spacing: .02em; font-weight: 600; text-transform: uppercase; display: block; }
.brand-sub { font-family: var(--mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; opacity: .62; }

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2vw, 1.9rem); }
.nav-links a {
  font-family: var(--mono);
  font-size: .74rem; font-weight: 500; letter-spacing: .04em;
  position: relative; padding: .4rem .1rem; opacity: .82; transition: opacity .3s var(--ease);
}
.nav-links a::before { content: "["; margin-right: 3px; opacity: 0; transition: opacity .25s var(--ease); color: var(--copper); }
.nav-links a::after { content: "]"; margin-left: 3px; opacity: 0; transition: opacity .25s var(--ease); color: var(--copper); }
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a:hover::before, .nav-links a:hover::after,
.nav-links a.active::before, .nav-links a.active::after { opacity: 1; }

.nav-cta {
  font-family: var(--mono);
  font-size: .68rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase;
  border: 1.5px solid var(--graphite); padding: .75rem 1.3rem;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.nav-cta:hover { background: var(--copper); border-color: var(--copper); color: var(--white); }

.nav-toggle {
  display: none; width: 28px; height: 18px; background: none; border: 0; padding: 0;
  cursor: pointer; position: relative; color: inherit;
}
.nav-toggle span {
  position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor;
  transition: transform .35s var(--ease), opacity .3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 1px; }
.nav-toggle span:nth-child(2) { top: 8px; }
.nav-toggle span:nth-child(3) { top: 15px; }
.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); }

.mobile-menu {
  position: fixed; inset: 0; background: var(--graphite); color: var(--paper); z-index: 999;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--nav-h) var(--gut) 3rem;
  transform: translateY(-100%); transition: transform .55s var(--ease); visibility: hidden;
}
.mobile-menu.open { transform: translateY(0); visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu a {
  display: block;
  font-family: var(--display); font-size: clamp(1.8rem, 8vw, 2.6rem); font-weight: 600; text-transform: uppercase;
  padding: .24em 0; border-bottom: 1px solid rgba(241,238,228,.14);
}
.mobile-menu .mm-meta {
  margin-top: 2.2rem; font-family: var(--mono); font-size: .78rem; color: rgba(241,238,228,.6);
  line-height: 2; overflow-wrap: anywhere;
}

/* --------------------------------------------------------------- hero -- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--paper);
  padding: calc(var(--nav-h) + 1.6rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}
.hero .wrap {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; width: 100%;
}
.hero h1 { max-width: 13ch; margin-bottom: .3em; }
.hero .lede { max-width: 44ch; }
.hero-media { border: 1.5px solid var(--graphite); background: var(--paper); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

.hero-foot {
  margin-top: clamp(2rem, 5vw, 3.2rem); padding-top: 1.6rem;
  border-top: 1.5px solid var(--graphite);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem 1rem;
}
.hero-foot .stat-n { font-family: var(--display); font-size: clamp(1.5rem, 2.6vw, 2.2rem); font-weight: 600; color: var(--graphite); line-height: 1; }
.hero-foot .stat-l { font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; text-transform: uppercase; color: var(--line); margin-top: .55rem; }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-media { order: -1; aspect-ratio: 16/10; }
}

/* ------------------------------------------------------------ content -- */
.figure { position: relative; overflow: hidden; background: var(--paper-2); border: 1.5px solid var(--graphite); }
.figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.figure:hover img { transform: scale(1.03); }
.figure-wide { aspect-ratio: 4 / 3; }
.figure-pano { aspect-ratio: 16 / 9; }

.svc {
  padding: 1.5rem; border: 1.5px solid var(--graphite); background: var(--paper);
  transition: border-color .3s var(--ease), background .3s var(--ease);
  position: relative;
}
.svc:hover { border-color: var(--copper); }
.svc::before {
  content: attr(data-n);
  position: absolute; top: -1px; right: -1px;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .05em;
  background: var(--graphite); color: var(--paper); padding: .35rem .6rem;
}
.svc:hover::before { background: var(--copper); }
.dark .svc { background: var(--graphite-2); border-color: rgba(241,238,228,.2); }
.dark .svc:hover { border-color: var(--copper-l); }
.dark .svc::before { background: var(--copper); }
.svc h3 { margin-top: .4rem; margin-bottom: .5rem; }
.svc p { font-size: .93rem; color: var(--line); margin-bottom: 0; }
.dark .svc p { color: rgba(241,238,228,.62); }

.project-card { display: block; }
.project-card .figure { margin-bottom: 1.1rem; }
.project-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; color: var(--line); margin-bottom: .5rem; }
.project-card h3 { font-size: clamp(1.15rem, 1.7vw, 1.4rem); margin-bottom: .2em; transition: color .3s var(--ease); }
.project-card:hover h3 { color: var(--copper); }
.project-card p { font-size: .91rem; color: var(--line); margin: 0; }

.quote-block { border-left: 2px solid var(--copper); padding-left: clamp(1.4rem, 3vw, 2.4rem); }
.quote-block .serif-note {
  font-family: var(--display); font-size: clamp(1.3rem, 2.2vw, 1.75rem); line-height: 1.36;
  font-weight: 500; text-transform: none; letter-spacing: 0;
}
.quote-block .attrib { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--line); margin-top: 1.4rem; }
.dark .quote-block .attrib { color: rgba(241,238,228,.5); }

.step {
  padding: 1.4rem; border: 1.5px solid var(--graphite); background: var(--paper); position: relative;
}
.dark .step { background: var(--graphite-2); border-color: rgba(241,238,228,.2); }
.step-n {
  font-family: var(--mono); font-size: .82rem; font-weight: 500; color: var(--copper);
  line-height: 1; margin-bottom: 1rem; display: inline-block;
  border: 1px solid var(--copper); padding: .3rem .55rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: .4em; text-transform: uppercase; font-family: var(--display); font-weight: 600; }
.step p { font-size: .89rem; color: var(--line); margin: 0; }
.dark .step p { color: rgba(241,238,228,.6); }

.stat-card { border-top: 1.5px solid var(--graphite); padding-top: 1.4rem; }
.dark .stat-card { border-top-color: rgba(241,238,228,.2); }
.stat-card .n { font-family: var(--display); font-size: clamp(2rem, 3.4vw, 2.8rem); font-weight: 600; line-height: 1; color: var(--graphite); }
.dark .stat-card .n { color: var(--paper); }
.stat-card .l { font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; color: var(--line); margin-top: .75rem; }
.dark .stat-card .l { color: rgba(241,238,228,.5); }

.checks { list-style: none; padding: 0; margin: 0; }
.checks li {
  position: relative; padding: .8rem 0 .8rem 1.8rem; border-bottom: 1px solid var(--paper-3);
  font-size: .92rem; color: var(--line); font-family: var(--sans);
}
.dark .checks li { border-bottom-color: rgba(241,238,228,.14); color: rgba(241,238,228,.66); }
.checks li::before {
  content: "▸"; position: absolute; left: 0; top: .78em; color: var(--copper); font-size: .8em;
}

.badge-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.3rem; }
.badge {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .04em; text-transform: uppercase;
  border: 1px solid var(--graphite); color: var(--graphite); padding: .48rem .85rem;
}
.dark .badge { border-color: rgba(241,238,228,.3); color: rgba(241,238,228,.75); }

.map-figure { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 1.5px solid var(--graphite); }
.map-figure img { width: 100%; height: 100%; object-fit: cover; }

.contact-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.4rem, 3vw, 2.6rem); }
@media (max-width: 760px) { .contact-strip { grid-template-columns: 1fr; } }

.detail { border-top: 1.5px solid var(--graphite); padding-top: 1.3rem; }
.dark .detail { border-top-color: rgba(241,238,228,.2); }
.detail .k { font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; color: var(--copper); margin-bottom: .65rem; }
.detail .v { font-size: .98rem; line-height: 1.7; }
.detail .v a:hover { color: var(--copper); }

.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem; margin-bottom: clamp(2.2rem, 4.5vw, 3.4rem); }
.sec-head h2 { max-width: 20ch; margin: 0; }
@media (max-width: 780px) { .sec-head { grid-template-columns: 1fr; align-items: start; } }

.closer { text-align: center; }
.closer h2 { max-width: 22ch; margin: 0 auto .55em; }
.closer .lede { margin: 0 auto; text-align: center; }
.closer .btn-row { justify-content: center; }

/* Ticker strip */
.marquee {
  overflow: hidden; border-top: 1.5px solid rgba(241,238,228,.2); border-bottom: 1.5px solid rgba(241,238,228,.2);
  padding: 1.3rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track { display: flex; gap: 2.6rem; width: max-content; animation: slide 38s linear infinite; }
.marquee-track span {
  font-family: var(--mono); font-size: clamp(.82rem, 1.2vw, .98rem); letter-spacing: .1em; text-transform: uppercase;
  color: rgba(241,238,228,.55); white-space: nowrap; display: flex; align-items: center; gap: 2.6rem;
}
.marquee-track span::after { content: "+"; color: var(--copper); }
@keyframes slide { to { transform: translateX(-50%); } }

/* Accordion */
.acc { border-top: 1.5px solid var(--graphite); }
.acc:last-of-type { border-bottom: 1.5px solid var(--graphite); }
.acc-q {
  width: 100%; background: none; border: 0; text-align: left; padding: 1.4rem 2.6rem 1.4rem 0;
  font-family: var(--display); font-size: clamp(1.02rem, 1.6vw, 1.25rem); font-weight: 600; text-transform: uppercase;
  color: var(--graphite); cursor: pointer; position: relative;
}
.acc-q::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.3rem; color: var(--copper); font-family: var(--sans); font-weight: 300;
  transition: transform .4s var(--ease);
}
.acc.open .acc-q::after { transform: translateY(-50%) rotate(45deg); }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.acc-a p { font-size: .92rem; color: var(--line); padding-right: 2.6rem; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 1.3rem; }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; color: var(--line); margin-bottom: .6rem; }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: .95rem; color: var(--graphite); background: transparent; border: 0;
  border-bottom: 1.5px solid var(--graphite-2); padding: .68rem 0; transition: border-color .3s var(--ease); border-radius: 0;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--copper); }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; }
.field.sel { position: relative; }
.field.sel::after {
  content: ""; position: absolute; right: 4px; bottom: 1.25rem; width: 7px; height: 7px;
  border-right: 1.5px solid var(--line); border-bottom: 1.5px solid var(--line); transform: rotate(45deg); pointer-events: none;
}
.form-note { font-family: var(--mono); font-size: .74rem; color: var(--line); margin-top: 1.4rem; }
.form-status { margin-top: 1.2rem; font-size: .88rem; color: var(--copper-d); display: none; }
.form-status.show { display: block; }

/* Footer */
.footer { background: var(--graphite); color: var(--paper); padding: clamp(3.2rem, 6.5vw, 5rem) 0 0; background-image: none; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr; gap: clamp(2rem, 4vw, 3.2rem); }
.footer h4 { font-family: var(--mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; color: var(--copper-l); margin-bottom: 1.2rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: .68rem; }
.footer ul a, .footer address a { font-size: .9rem; color: rgba(241,238,228,.66); transition: color .3s var(--ease); }
.footer ul a:hover, .footer address a:hover { color: var(--copper-l); }
.footer address { font-style: normal; font-size: .9rem; color: rgba(241,238,228,.66); line-height: 1.85; }
.footer .brand { color: var(--paper); margin-bottom: 1.2rem; }
.footer .brand .brand-mark path { stroke: var(--copper-l); }
.footer .about-blurb { font-size: .9rem; color: rgba(241,238,228,.5); max-width: 34ch; }
.footer-bottom {
  margin-top: clamp(2.4rem, 5vw, 3.6rem); padding: 1.5rem 0; border-top: 1.5px solid rgba(241,238,228,.18);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  font-family: var(--mono); font-size: .7rem; letter-spacing: .02em; color: rgba(241,238,228,.4);
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 1080px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .g-3, .g-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .hero-foot { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1.2rem; }
}
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
}