/* ============================================================
   GUARCH TECH — craft editorial
   Paleta:  INK #14181C · INK-SOFT #3A4147 · CYAN #1B86A0
            PAPER #F2EDDF · SAND #D9CFB8
   ============================================================ */

:root{
  --ink:#14181C;
  --ink-2:#1b2026;        /* panells lleugerament aixecats */
  --ink-soft:#3A4147;
  --cyan:#1B86A0;
  --cyan-bright:#2aa3c0;
  --paper:#F2EDDF;
  --sand:#D9CFB8;
  --paper-ink:#222a30;    /* text sobre paper */

  --ff-display:"Saira Expanded", "Arial Narrow", system-ui, sans-serif;
  --ff-body:"Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --container:1140px;
  --pad:clamp(20px, 5vw, 40px);
  --chamfer:16px;

  --t:.25s cubic-bezier(.2,.6,.2,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--ff-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.05;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad)}

.skip{
  position:absolute;left:-9999px;top:0;background:var(--cyan);color:var(--ink);
  padding:10px 16px;font-weight:600;z-index:200;
}
.skip:focus{left:8px;top:8px}

:focus-visible{outline:2px solid var(--cyan-bright);outline-offset:3px}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--ff-display);
  font-weight:600;font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--cyan-bright);
  display:flex;align-items:center;gap:.8em;margin:0 0 1.4rem;
}
.eyebrow-ink{color:var(--cyan)}
.eyebrow .tick{display:inline-block;width:26px;height:2px;background:var(--cyan);flex:none}

.wedge{
  display:block;width:72px;height:9px;background:var(--cyan);
  transform:skewX(-26deg);margin:1.6rem 0;
}

.section-title{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:clamp(1.7rem,3.6vw,2.7rem);
  letter-spacing:-.01em;
  text-transform:uppercase;
}

/* ---------- buttons ---------- */
.btn{
  --b:var(--cyan);
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--ff-display);font-weight:600;
  font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 26px;cursor:pointer;border:1.5px solid var(--b);
  transition:var(--t);white-space:nowrap;
  clip-path:polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn-primary{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}
.btn-primary:hover{background:var(--cyan-bright);border-color:var(--cyan-bright);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--sand)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-bright);transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(16,20,24,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom-color:rgba(217,207,184,.14);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px}
.brand img{width:clamp(132px,16vw,160px);height:auto}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{
  font-family:var(--ff-display);font-weight:500;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sand);
  transition:color var(--t);position:relative;padding:6px 0;
}
.nav a:hover{color:var(--paper)}
.nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--cyan);
  transition:width var(--t);
}
.nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{
  color:var(--cyan-bright)!important;border:1.5px solid var(--cyan);padding:9px 18px!important;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.nav-cta:hover{background:var(--cyan);color:var(--ink)!important}

.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;width:46px;height:46px}
.nav-toggle span{display:block;height:2px;width:24px;background:var(--paper);margin:5px auto;transition:var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(140px,22vh,210px) 0 clamp(80px,12vh,120px);background:var(--ink)}
.hero-panels{position:absolute;inset:0;pointer-events:none}
.hero-panels .panel{
  position:absolute;border:1px solid rgba(217,207,184,.10);background:rgba(255,255,255,.012);
  clip-path:polygon(0 0,calc(100% - 42px) 0,100% 42px,100% 100%,42px 100%,0 calc(100% - 42px));
}
.panel-a{width:min(56vw,720px);height:min(56vw,720px);top:-14%;right:-8%}
.panel-b{width:min(34vw,420px);height:min(34vw,420px);bottom:-18%;left:-6%;border-color:rgba(27,134,160,.16)}

.hero-inner{position:relative;max-width:880px}
.hero-title{
  font-family:var(--ff-display);font-weight:700;
  font-size:clamp(2.3rem,6.4vw,4.6rem);letter-spacing:-.015em;text-transform:uppercase;
  color:var(--paper);
}
.hero-title em{color:var(--cyan-bright);font-style:normal}
.hero-lead{max-width:60ch;color:var(--sand);font-size:clamp(1.02rem,1.7vw,1.22rem);line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:2.4rem}
.hero-keys{
  display:flex;flex-wrap:wrap;gap:1.4rem 2.2rem;margin-top:3.2rem;
  border-top:1px solid rgba(217,207,184,.14);padding-top:1.6rem;
}
.hero-keys li{
  font-family:var(--ff-display);font-weight:500;font-size:.8rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-soft);
}
.hero-keys li{color:#7c8893}

/* ---------- sections ---------- */
.section{padding:clamp(70px,11vh,118px) 0}
.section-tight{padding:clamp(42px,6vh,64px) 0}
.section-ink{background:var(--ink);color:var(--paper)}
.section-paper{background:var(--paper);color:var(--paper-ink)}
.section-paper .section-title{color:var(--ink)}
.section-paper .section-intro{color:#5a5246}

.section-head{max-width:760px;margin-bottom:clamp(2.6rem,5vw,3.6rem)}
.section-intro{margin-top:1.2rem;font-size:clamp(1rem,1.5vw,1.12rem);line-height:1.7}

/* ---------- capacitats cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:18px}
.card{
  position:relative;background:#fbf8f0;border:1px solid var(--sand);
  padding:2rem 1.7rem 1.9rem;
  clip-path:polygon(0 0,calc(100% - var(--chamfer)) 0,100% var(--chamfer),100% 100%,var(--chamfer) 100%,0 calc(100% - var(--chamfer)));
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.card::after{
  content:"";position:absolute;left:1.7rem;bottom:1.2rem;width:30px;height:6px;
  background:var(--sand);transform:skewX(-26deg);transition:background var(--t),width var(--t);
}
.card:hover{transform:translateY(-4px);border-color:var(--cyan);background:#fff}
.card:hover::after{background:var(--cyan);width:46px}
.card-num{
  font-family:var(--ff-display);font-weight:700;font-size:1.05rem;letter-spacing:.2em;
  color:var(--cyan);display:block;margin-bottom:1.4rem;
}
.card h3{
  font-family:var(--ff-display);font-weight:600;font-size:1.12rem;letter-spacing:.01em;
  text-transform:uppercase;color:var(--ink);margin-bottom:.8rem;line-height:1.2;
}
.card p{color:#5a5246;font-size:.97rem;line-height:1.6}

/* ---------- per què (values) ---------- */
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;background:rgba(217,207,184,.16);border:1px solid rgba(217,207,184,.16)}
.value{background:var(--ink);padding:2.2rem 1.9rem}
.value h3{
  font-family:var(--ff-display);font-weight:600;font-size:1.04rem;letter-spacing:.04em;
  text-transform:uppercase;color:var(--paper);margin-bottom:.9rem;
  padding-left:18px;border-left:3px solid var(--cyan);
}
.value p{color:var(--sand);font-size:.98rem}

/* ---------- sectors ---------- */
.sectors{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.4rem}
.sectors li{
  font-family:var(--ff-display);font-weight:500;font-size:.82rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink);
  border:1px solid var(--sand);padding:11px 18px;background:#fbf8f0;
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
}

/* ---------- contacte ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.4rem,5vw,4rem);align-items:start}
.contact-form-wrap{
  background:var(--ink-2);border:1px solid rgba(217,207,184,.14);padding:2rem 1.9rem 2.2rem;
  clip-path:polygon(0 0,calc(100% - var(--chamfer)) 0,100% var(--chamfer),100% 100%,var(--chamfer) 100%,0 calc(100% - var(--chamfer)));
}
.form-note{
  font-size:.86rem;color:var(--cyan-bright);background:rgba(27,134,160,.08);
  border-left:3px solid var(--cyan);padding:.8rem 1rem;margin-bottom:1.6rem;line-height:1.5;
}
.field{margin-bottom:1.1rem}
.field label{
  display:block;font-family:var(--ff-display);font-weight:500;font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sand);margin-bottom:.5rem;
}
.field input,.field textarea{
  width:100%;background:#0f1216;border:1px solid var(--ink-soft);color:var(--paper);
  font-family:var(--ff-body);font-size:.98rem;padding:13px 15px;border-radius:0;transition:border-color var(--t);
}
.field input::placeholder,.field textarea::placeholder{color:#5d666e}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.field textarea{resize:vertical}
.contact-form .btn{margin-top:.4rem}
.form-feedback{margin-top:1rem;font-size:.9rem;color:var(--sand);min-height:1.2em}

/* ---------- footer ---------- */
.site-footer{background:#0f1216;border-top:1px solid rgba(217,207,184,.12);padding:clamp(48px,7vh,72px) 0 32px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem;align-items:flex-start}
.footer-brand img{width:150px;margin-bottom:1rem}
.footer-brand p{color:var(--ink-soft);font-size:.92rem;max-width:34ch}
.footer-brand p{color:#7c8893}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer-nav a{
  font-family:var(--ff-display);font-weight:500;font-size:.76rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sand);transition:color var(--t);
}
.footer-nav a:hover{color:var(--cyan-bright)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:2.6rem;
  padding-top:1.6rem;border-top:1px solid rgba(217,207,184,.10);
  font-size:.82rem;color:#6b7480;letter-spacing:.04em;
}
.footer-domain{font-family:var(--ff-display);letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}

/* scroll offset per al header fix */
[id]{scroll-margin-top:92px}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(16,20,24,.97);backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(217,207,184,.14);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:var(--t);
  }
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:18px var(--pad);border-top:1px solid rgba(217,207,184,.08);font-size:.9rem}
  .nav-cta{margin:14px var(--pad);text-align:center}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
}

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