/* ============================================================
   QR.TC.Development SRL — design tokens
   Concept: naval architecture drafting sheet.
   Precision interior fitting rendered in the visual language
   of the CAD/blueprint drawings the team works from every day.
   ============================================================ */

:root{
  --ink:        #0B1F2E;   /* marine navy — dark surfaces, primary text on paper */
  --ink-2:      #132C40;   /* slightly lighter navy for panels on dark */
  --paper:      #ECE7DC;   /* drafting paper — light surfaces */
  --paper-2:    #F5F2EA;   /* lighter paper panel */
  --brass:      #B08D4C;   /* accent — CTAs, key lines, dimension marks */
  --brass-light:#D8BD82;   /* hover / highlight */
  --steel:      #5C6B73;   /* secondary text */
  --steel-soft: #8C99A0;   /* tertiary text, hairlines on dark */
  --white:      #FAF8F3;   /* text on dark */
  --line:       rgba(11,31,46,0.16);   /* hairline on paper */
  --line-dark:  rgba(250,248,243,0.18);/* hairline on navy */

  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --body:    "IBM Plex Sans", Arial, sans-serif;
  --mono:    "IBM Plex Mono", "Courier New", monospace;

  --maxw: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }

h1,h2,h3{
  font-family:var(--display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.01em;
  margin:0;
  line-height:1.02;
}
h1{ font-size:clamp(2.6rem,6vw,5rem); }
h2{ font-size:clamp(1.8rem,3.4vw,2.7rem); }
h3{ font-size:1.15rem; letter-spacing:0.03em; }

p{ margin:0 0 1em; color:var(--steel); max-width:60ch; }
p:last-child{ margin-bottom:0; }

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--brass);
  display:inline-block;
}

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
header.site .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; flex-direction:column; color:var(--white); }
.brand .mark{
  font-family:var(--mono); font-weight:600; font-size:1.05rem;
  letter-spacing:0.14em;
}
.brand .mark span{ color:var(--brass); }
.brand .sub{
  font-family:var(--mono); font-size:0.6rem;
  letter-spacing:0.18em; color:var(--steel-soft);
  margin-top:2px;
}
nav.main{ display:flex; align-items:center; gap:34px; }
nav.main a{
  font-family:var(--mono); font-size:0.78rem;
  letter-spacing:0.1em; text-transform:uppercase;
  color:var(--steel-soft);
  padding:6px 0; border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
nav.main a:hover, nav.main a.active{
  color:var(--white); border-color:var(--brass);
}
.nav-phone{
  font-family:var(--mono); font-size:0.78rem; color:var(--brass-light);
  border:1px solid var(--line-dark); padding:8px 14px;
  letter-spacing:0.04em;
}
.nav-toggle{ display:none; }

@media (max-width:860px){
  nav.main{
    position:fixed; inset:76px 0 0 0; background:var(--ink);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:20px 32px; transform:translateY(-110%);
    transition:transform .25s ease; border-top:1px solid var(--line-dark);
  }
  nav.main.open{ transform:translateY(0); }
  nav.main a{ width:100%; padding:16px 0; border-bottom:1px solid var(--line-dark); }
  .nav-phone{ margin-top:14px; }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--line-dark);
    width:40px; height:40px; position:relative; cursor:pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:""; position:absolute; left:9px; right:9px; height:1px; background:var(--white);
  }
  .nav-toggle span{ top:19px; }
  .nav-toggle span::before{ top:-6px; }
  .nav-toggle span::after{ top:6px; }
}

/* ---------- hero ---------- */
.hero{
  background:var(--ink);
  color:var(--white);
  position:relative;
  overflow:hidden;
  background-image:
    repeating-linear-gradient(0deg, var(--line-dark) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, var(--line-dark) 0 1px, transparent 1px 64px);
  background-position:center;
}
.hero .wrap{
  padding-top:88px; padding-bottom:70px;
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center;
}
.hero h1{ color:var(--white); }
.hero h1 em{ font-style:normal; color:var(--brass); }
.hero .lede{ color:var(--steel-soft); font-size:1.05rem; max-width:44ch; margin-top:22px; }
.hero .cta-row{ display:flex; gap:16px; margin-top:34px; flex-wrap:wrap; }
.hero-figure{ position:relative; }

@media (max-width:900px){
  .hero .wrap{ grid-template-columns:1fr; padding-top:56px; }
  .hero-figure{ order:-1; }
}

/* ---------- buttons ---------- */
.btn{
  font-family:var(--mono); font-size:0.8rem; letter-spacing:0.08em;
  text-transform:uppercase; padding:15px 26px;
  border:1px solid var(--brass); display:inline-flex; align-items:center; gap:10px;
  transition:background .15s ease, color .15s ease;
}
.btn.primary{ background:var(--brass); color:var(--ink); }
.btn.primary:hover{ background:var(--brass-light); border-color:var(--brass-light); }
.btn.ghost{ color:var(--white); border-color:var(--line-dark); }
.btn.ghost:hover{ border-color:var(--brass); color:var(--brass-light); }
.btn.on-paper{ color:var(--ink); border-color:var(--ink); }
.btn.on-paper:hover{ background:var(--ink); color:var(--white); }

/* ---------- sheet / section framing ---------- */
.sheet{ position:relative; padding:96px 0; border-top:1px solid var(--line); }
.sheet.dark{ background:var(--ink); color:var(--white); border-top:1px solid var(--line-dark); }
.sheet.dark p{ color:var(--steel-soft); }
.sheet.dark .eyebrow{ color:var(--brass-light); }
.sheet.tight{ padding:64px 0; }
.sheet .head{ max-width:70ch; margin-bottom:56px; }
.sheet .head p{ margin-top:16px; font-size:1.05rem; }

.corner{ position:absolute; width:16px; height:16px; }
.corner.tl{ top:20px; left:20px; border-top:1px solid var(--brass); border-left:1px solid var(--brass); }
.corner.tr{ top:20px; right:20px; border-top:1px solid var(--brass); border-right:1px solid var(--brass); }
.corner.bl{ bottom:20px; left:20px; border-bottom:1px solid var(--brass); border-left:1px solid var(--brass); }
.corner.br{ bottom:20px; right:20px; border-bottom:1px solid var(--brass); border-right:1px solid var(--brass); }

/* ---------- grids / cards ---------- */
.grid{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.grid.cols-4{ grid-template-columns:repeat(4,1fr); }
.grid.cols-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:900px){ .grid.cols-3, .grid.cols-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid.cols-2, .grid.cols-3, .grid.cols-4{ grid-template-columns:1fr; } }

.cell{ background:var(--paper); padding:36px 30px; }
.sheet.dark .cell{ background:var(--ink); }

.code{
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.1em;
  color:var(--brass); display:block; margin-bottom:16px;
}
.cell h3{ margin-bottom:12px; }
.cell p{ font-size:0.94rem; }

/* service card with dimension-style bottom rule */
.svc{ background:var(--paper-2); padding:38px 32px; position:relative; }
.svc::after{
  content:""; position:absolute; left:32px; right:32px; bottom:0; height:1px; background:var(--line);
}
.sheet.dark .svc{ background:var(--ink-2); }
.sheet.dark .svc::after{ background:var(--line-dark); }

/* ---------- stats / guarantee strip ---------- */
.strip{ display:grid; grid-template-columns:repeat(4,1fr); border:1px solid var(--line-dark); }
.strip div{ padding:28px 24px; border-right:1px solid var(--line-dark); }
.strip div:last-child{ border-right:none; }
.strip .num{ font-family:var(--display); font-size:2.2rem; color:var(--brass); line-height:1; }
.strip .lbl{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; color:var(--steel-soft); margin-top:8px; text-transform:uppercase; }
@media (max-width:760px){ .strip{ grid-template-columns:repeat(2,1fr); } .strip div{ border-bottom:1px solid var(--line-dark); } }

/* ---------- footer ---------- */
footer.site{ background:var(--ink); color:var(--steel-soft); border-top:1px solid var(--brass); }
footer.site .wrap{ padding:64px 32px 40px; display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; }
footer.site h3{ color:var(--white); font-size:0.85rem; margin-bottom:18px; letter-spacing:0.08em; }
footer.site .brand .mark{ color:var(--white); }
footer.site a{ display:block; padding:6px 0; font-family:var(--mono); font-size:0.82rem; color:var(--steel-soft); }
footer.site a:hover{ color:var(--brass-light); }
footer.site .legal{
  border-top:1px solid var(--line-dark); margin-top:32px; padding-top:24px;
  font-family:var(--mono); font-size:0.68rem; letter-spacing:0.05em; color:var(--steel-soft);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}
@media (max-width:760px){ footer.site .wrap{ grid-template-columns:1fr; } }

/* ---------- page header (interior pages) ---------- */
.pagehead{
  background:var(--ink); color:var(--white);
  padding:64px 0 56px;
  background-image:repeating-linear-gradient(90deg, var(--line-dark) 0 1px, transparent 1px 64px);
}
.pagehead h1{ color:var(--white); font-size:clamp(2.2rem,5vw,3.4rem); }
.crumb{ font-family:var(--mono); font-size:0.72rem; letter-spacing:0.12em; color:var(--steel-soft); margin-bottom:18px; text-transform:uppercase; }
.crumb span{ color:var(--brass-light); }

/* ---------- forms ---------- */
form.contact-form{ display:grid; gap:20px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:640px){ .form-row{ grid-template-columns:1fr; } }
label{
  font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--steel); display:block; margin-bottom:8px;
}
input, textarea{
  width:100%; background:var(--paper-2); border:1px solid var(--line);
  padding:14px 16px; font-family:var(--body); font-size:0.95rem; color:var(--ink);
}
input:focus, textarea:focus{ outline:2px solid var(--brass); outline-offset:1px; }
textarea{ resize:vertical; min-height:140px; }

/* ---------- misc ---------- */
.list-check{ list-style:none; margin:0; padding:0; }
.list-check li{
  padding:14px 0; border-bottom:1px solid var(--line);
  display:flex; gap:14px; color:var(--ink); font-size:0.98rem;
}
.sheet.dark .list-check li{ border-color:var(--line-dark); color:var(--white); }
.list-check li::before{ content:"—"; color:var(--brass); font-family:var(--mono); }

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }

::selection{ background:var(--brass); color:var(--ink); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; animation:none !important; }
}