/* ============================================================
   TECHNOBANG SERVICES — Design System
   Concept: engineering blueprint meets structural steel.
   Bronze (from the crane logo) + blueprint-blue on a graphite
   drafting-table ground. Hairline grids & dimension ticks stand
   in for the drafting instruments this company actually uses.
   ============================================================ */

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

:root{
  --bg:        #121309;
  --bg-1:      #17180F;
  --panel:     #1C1D15;
  --panel-2:   #232419;
  --line:      rgba(243,239,228,0.10);
  --line-2:    rgba(243,239,228,0.18);

  --ink:       #F3EFE3;
  --ink-dim:   #B4AD98;
  --ink-faint: #756F5C;

  --bronze-1:  #8A6531;
  --bronze-2:  #C9A15C;
  --bronze-3:  #E9CD8C;
  --bronze-grad: linear-gradient(100deg, var(--bronze-1), var(--bronze-2) 55%, var(--bronze-3));

  --blue:      #5C88A8;
  --blue-dim:  #3E5C70;

  --radius: 2px;
  --maxw: 1180px;
  --ease: cubic-bezier(.19,1,.22,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Work Sans', sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

h1,h2,h3,h4{
  font-family:'Oswald', sans-serif;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.02em;
  line-height:1.08;
  margin:0;
  color:var(--ink);
}

.mono{ font-family:'JetBrains Mono', monospace; }

p{ margin:0; color:var(--ink-dim); }

a{ color:inherit; text-decoration:none; }

img{ max-width:100%; display:block; }

::selection{ background:var(--bronze-2); color:#1a1a10; }

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

/* ---------- blueprint grid ground ---------- */
.blueprint-ground{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.5;
}
.blueprint-ground::after{
  content:'';
  position:absolute; inset:0;
  background:radial-gradient(ellipse 80% 55% at 50% 0%, rgba(201,161,92,0.08), transparent 60%);
}

/* ---------- layout helpers ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
section{ position:relative; padding:110px 0; }
.section-tight{ padding:70px 0; }

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--bronze-2);
  display:flex; align-items:center; gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--bronze-2);
}

.divider{
  height:1px;
  background:var(--line);
  position:relative;
}
.divider.ticked{
  background-image:repeating-linear-gradient(90deg, var(--line-2) 0 1px, transparent 1px 24px);
}

/* corner registration marks — drafting-sheet motif */
.sheet{
  position:relative;
  border:1px solid var(--line);
  padding:48px;
}
.sheet::before,.sheet::after,
.sheet .cmk-br, .sheet .cmk-bl{ content:''; position:absolute; width:14px; height:14px; }
.sheet::before{ top:-1px; left:-1px; border-top:1px solid var(--bronze-2); border-left:1px solid var(--bronze-2); }
.sheet::after{ top:-1px; right:-1px; border-top:1px solid var(--bronze-2); border-right:1px solid var(--bronze-2); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:'JetBrains Mono', monospace;
  font-size:13px; letter-spacing:.08em; text-transform:uppercase;
  padding:15px 26px;
  border:1px solid var(--bronze-2);
  color:var(--ink);
  position:relative;
  overflow:hidden;
  cursor:pointer;
  background:transparent;
  transition:color .35s var(--ease), border-color .35s;
}
.btn::before{
  content:'';
  position:absolute; inset:0;
  background:var(--bronze-grad);
  transform:translateX(-101%);
  transition:transform .4s var(--ease);
  z-index:-1;
}
.btn:hover::before{ transform:translateX(0); }
.btn:hover{ color:#181810; }
.btn-ghost{
  border-color:var(--line-2);
}
.btn-ghost::before{ display:none; }
.btn-ghost:hover{ color:var(--bronze-2); border-color:var(--bronze-2); }
.btn svg{ width:14px; height:14px; transition:transform .35s var(--ease); }
.btn:hover svg{ transform:translateX(3px); }

/* ---------- nav ---------- */
header.site-nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(18,19,9,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .3s;
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:38px; width:auto; }
.brand-type{ font-family:'Oswald',sans-serif; font-size:15px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink); line-height:1.15; }
.brand-type span{ display:block; font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:.14em; color:var(--ink-faint); text-transform:uppercase; margin-top:2px; }

nav.links{ display:flex; align-items:center; gap:36px; }
nav.links a{
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-dim);
  position:relative;
  padding:6px 0;
  transition:color .25s;
}
nav.links a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--bronze-2); transition:width .3s var(--ease);
}
nav.links a:hover, nav.links a.active{ color:var(--ink); }
nav.links a:hover::after, nav.links a.active::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:22px; }
.nav-cta .btn{ padding:11px 20px; font-size:11.5px; }

.burger{ display:none; width:24px; height:18px; position:relative; cursor:pointer; background:none; border:none; padding:0; }
.burger span{ position:absolute; left:0; right:0; height:1px; background:var(--ink); transition:.3s; }
.burger span:nth-child(1){ top:0; }
.burger span:nth-child(2){ top:8px; }
.burger span:nth-child(3){ top:16px; }
.burger.open span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

.mobile-panel{
  display:none;
  position:fixed; top:78px; left:0; right:0; bottom:0; z-index:99;
  background:var(--bg); border-top:1px solid var(--line);
  padding:32px 28px;
  flex-direction:column; gap:2px;
}
.mobile-panel.open{ display:flex; }
.mobile-panel a{
  font-family:'Oswald',sans-serif; font-size:26px; text-transform:uppercase;
  padding:16px 0; border-bottom:1px solid var(--line); color:var(--ink);
}
.mobile-panel .btn{ margin-top:24px; align-self:flex-start; }

@media (max-width:940px){
  nav.links{ display:none; }
  .nav-cta .btn{ display:none; }
  .burger{ display:block; }
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:70px 0 30px;
  background:var(--bg-1);
}
.foot-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  margin-bottom:56px;
}
.foot-grid h4{ font-size:13px; margin-bottom:18px; color:var(--bronze-2); letter-spacing:.1em; }
.foot-grid a, .foot-grid p{ font-size:14px; color:var(--ink-dim); display:block; margin-bottom:10px; transition:color .25s; }
.foot-grid a:hover{ color:var(--ink); }
.foot-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:26px; border-top:1px solid var(--line);
  font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--ink-faint); letter-spacing:.04em;
}
@media (max-width:800px){
  .foot-grid{ grid-template-columns:1fr 1fr; }
}

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal-stagger > *{ transition-delay:calc(var(--i, 0) * 90ms); }

/* ---------- generic grids ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width:900px){
  .grid-2{ grid-template-columns:1fr; gap:36px; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .grid-4{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .grid-3{ grid-template-columns:1fr; }
  .grid-4{ grid-template-columns:1fr; }
}

/* ---------- cards ---------- */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  padding:32px 28px;
  position:relative;
  transition:border-color .35s, transform .35s var(--ease), background .35s;
}
.card:hover{ border-color:var(--bronze-2); transform:translateY(-4px); background:var(--panel-2); }
.card .idx{
  font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--bronze-2);
  letter-spacing:.1em; margin-bottom:16px; display:block;
}
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ font-size:14.5px; }
.card .icon{ width:34px; height:34px; margin-bottom:20px; color:var(--bronze-2); }

/* ---------- stat strip ---------- */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
}
.stat{
  padding:34px 26px; border-right:1px solid var(--line);
  text-align:left;
}
.stat:last-child{ border-right:none; }
.stat .num{ font-family:'Oswald',sans-serif; font-size:44px; color:var(--bronze-2); line-height:1; }
.stat .lbl{ font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin-top:10px; }
@media (max-width:800px){
  .stats{ grid-template-columns:1fr 1fr; }
  .stat{ border-bottom:1px solid var(--line); }
}

/* ---------- tag / pill ---------- */
.tag{
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--blue);
  border:1px solid var(--blue-dim); padding:5px 10px; margin:0 8px 8px 0;
}

/* ---------- page hero (inner pages) ---------- */
.page-hero{
  padding:190px 0 90px;
  border-bottom:1px solid var(--line);
}
.page-hero .kicker{ font-family:'JetBrains Mono',monospace; color:var(--bronze-2); font-size:12px; letter-spacing:.18em; text-transform:uppercase; margin-bottom:20px; }
.page-hero h1{ font-size:clamp(38px,5.4vw,68px); max-width:820px; }
.page-hero p.lead{ font-size:18px; max-width:640px; margin-top:22px; }

/* ---------- crane draw animation ---------- */
.crane-svg path{
  stroke-dasharray:1;
  stroke-dashoffset:1;
  fill:none;
}
.crane-svg.draw path{
  animation:draw-line 1.6s var(--ease) forwards;
}

@keyframes draw-line{
  to{ stroke-dashoffset:0; }
}

/* scanline accent used in hero */
.scanline{
  position:absolute; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--bronze-2), transparent);
  opacity:.6;
}

/* utility */
.mt-8{ margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;} .mt-64{margin-top:64px;}
.center{ text-align:center; margin-left:auto; margin-right:auto; }
.max-620{ max-width:620px; }
.max-720{ max-width:720px; }