/* =========================================================
   GAURISSON INDUSTRIES — Global Stylesheet
   Design language: "Circuit of Energy"
   Ink navy + warm sand + copper/brass accents + a recurring
   energy-flow line motif (sun -> panel -> inverter -> load).
   ========================================================= */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500&display=swap');

/* ---------- Design tokens ---------- */
:root{
  --ink:#101E23;
  --ink-soft:#233238;
  --navy-deep:#0D262D;
  --sand:#F7F4EC;
  --sand-dark:#EFE9D8;
  --paper:#FFFFFF;
  --copper:#C1652F;
  --copper-dark:#A24F22;
  --brass:#D9A441;
  --teal:#1F5C5B;
  --teal-soft:#E7EFEE;
  --line:#DFD8C4;
  --line-dark:#2A3B41;
  --muted:#5C6B6A;

  --font-display:'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body:'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --container:1200px;
  --radius:2px;
  --shadow-soft: 0 1px 2px rgba(16,30,35,0.06), 0 8px 24px rgba(16,30,35,0.05);

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  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(--font-display); margin:0 0 .5em; line-height:1.15; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0 0 1em; color:var(--ink-soft); }
button{ font-family:inherit; cursor:pointer; }
input, textarea, select{ font-family:inherit; font-size:1rem; }

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

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

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper);
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--copper);
  display:inline-block;
}

.section{ padding:88px 0; }
.section--tight{ padding:56px 0; }
.section--dark{ background:var(--navy-deep); color:var(--sand); }
.section--dark p{ color:#C7D2D0; }
.section--dark h2, .section--dark h3{ color:var(--paper); }
.section--sand-dark{ background:var(--sand-dark); }
.section--teal{ background:var(--teal-soft); }

.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(1.6rem, 2.6vw, 2.3rem); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:14px 26px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:.95rem;
  border:1px solid transparent;
  transition:transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--copper); color:var(--paper); }
.btn-primary:hover{ background:var(--copper-dark); }
.btn-outline{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-outline:hover{ background:var(--ink); color:var(--sand); }
.btn-ghost-light{ background:transparent; color:var(--paper); border-color:rgba(247,244,236,.4); }
.btn-ghost-light:hover{ background:rgba(247,244,236,.1); border-color:var(--paper); }
.btn-whatsapp{ background:#1F5C5B; color:var(--paper); }
.btn-whatsapp:hover{ background:#164543; }
.btn-block{ width:100%; }
.btn-sm{ padding:10px 18px; font-size:.85rem; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(247,244,236,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:80px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.3rem;
  letter-spacing:.01em;
  color:var(--ink);
}
.brand-mark{
  width:34px; height:34px;
  flex:0 0 auto;
}
.brand-mark svg{ width:100%; height:100%; display:block; }
.brand-sub{
  display:block;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.12em;
  color:var(--muted);
  font-weight:500;
  text-transform:uppercase;
}

.nav-desktop{ display:none; }
@media (min-width:961px){
  .nav-desktop{
    display:flex;
    align-items:center;
    gap:6px;
  }
  .nav-desktop > li > a{
    display:inline-block;
    padding:10px 14px;
    font-size:.92rem;
    font-weight:500;
    color:var(--ink-soft);
    border-radius:var(--radius);
    transition:color .15s var(--ease);
    position:relative;
  }
  .nav-desktop > li > a::after{
    content:"";
    position:absolute; left:14px; right:14px; bottom:6px;
    height:2px; background:var(--copper);
    transform:scaleX(0); transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .nav-desktop > li > a:hover,
  .nav-desktop > li > a.is-active{ color:var(--ink); }
  .nav-desktop > li > a:hover::after,
  .nav-desktop > li > a.is-active::after{ transform:scaleX(1); }
}

.header-cta{ display:flex; align-items:center; gap:10px; }
.header-cta .btn{ padding:11px 18px; font-size:.85rem; }
.header-cta .btn-outline{ display:none; }
@media (min-width:961px){ .header-cta .btn-outline{ display:inline-flex; } }

.hamburger{
  display:inline-flex;
  align-items:center; justify-content:center;
  width:44px; height:44px;
  background:transparent; border:1px solid var(--line-dark);
  border-radius:var(--radius);
}
@media (min-width:961px){ .hamburger{ display:none; } }
.hamburger span{
  position:relative;
  width:18px; height:2px; background:var(--ink);
  display:block;
}
.hamburger span::before, .hamburger span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink);
  transition:transform .2s var(--ease);
}
.hamburger span::before{ top:-6px; }
.hamburger span::after{ top:6px; }

.mobile-nav{
  display:none;
  border-top:1px solid var(--line);
  background:var(--sand);
}
.mobile-nav.is-open{ display:block; }
@media (min-width:961px){ .mobile-nav{ display:none !important; } }
.mobile-nav ul{ padding:8px 0 18px; }
.mobile-nav a{
  display:block;
  padding:13px 24px;
  font-weight:500;
  border-bottom:1px solid var(--line);
  color:var(--ink-soft);
}
.mobile-nav a.is-active{ color:var(--copper); }
.mobile-nav .header-cta{ padding:16px 24px 4px; flex-direction:column; align-items:stretch; }

/* =========================================================
   ENERGY DIVIDER — signature motif
   A thin line with flow-nodes, used to separate sections and
   echo the sun -> panel -> inverter -> load current path.
   ========================================================= */
.energy-divider{
  display:flex; align-items:center; gap:0;
  height:18px;
  margin:0 0 40px;
}
.energy-divider .ed-line{
  flex:1; height:1px; background:var(--line-dark);
  opacity:.35;
}
.section--dark .energy-divider .ed-line,
.energy-divider.on-light .ed-line{ opacity:.6; }
.energy-divider .ed-node{
  width:6px; height:6px; border-radius:50%;
  background:var(--copper);
  margin:0 10px;
  flex:0 0 auto;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  padding:64px 0 80px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  gap:48px;
  align-items:center;
}
@media (min-width:961px){
  .hero-grid{ grid-template-columns:1.05fr .95fr; gap:32px; }
}
.hero h1{
  font-size:clamp(2.2rem, 5vw, 3.4rem);
  color:var(--ink);
}
.hero .lede{
  font-size:1.08rem;
  max-width:520px;
  color:var(--ink-soft);
}
.hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:28px; }
.hero-meta{
  display:flex; flex-wrap:wrap; gap:28px;
  margin-top:44px; padding-top:28px;
  border-top:1px solid var(--line);
}
.hero-meta div{ font-size:.85rem; color:var(--muted); }
.hero-meta strong{ display:block; font-family:var(--font-display); font-size:1rem; color:var(--ink); font-weight:600; }

.hero-diagram{ width:100%; }
.hero-diagram svg{ width:100%; height:auto; }

/* =========================================================
   CARDS
   ========================================================= */
.grid{
  display:grid;
  gap:24px;
}
.grid-2{ grid-template-columns:1fr; }
.grid-3{ grid-template-columns:1fr; }
.grid-4{ grid-template-columns:1fr; }
@media (min-width:641px){
  .grid-2{ grid-template-columns:1fr 1fr; }
  .grid-4{ grid-template-columns:1fr 1fr; }
}
@media (min-width:961px){
  .grid-3{ grid-template-columns:repeat(3,1fr); }
  .grid-4{ grid-template-columns:repeat(4,1fr); }
}

.card{
  background:var(--paper);
  border:1px solid var(--line);
  padding:30px 26px;
  border-radius:var(--radius);
  transition:border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.card:hover{ border-color:var(--copper); box-shadow:var(--shadow-soft); transform:translateY(-2px); }
.card .card-index{
  font-family:var(--font-mono); font-size:.75rem; color:var(--copper); letter-spacing:.08em;
}
.card h3{ font-size:1.15rem; margin-top:10px; }
.card p{ font-size:.94rem; margin-bottom:0; }
.card-icon{ width:38px; height:38px; margin-bottom:16px; color:var(--teal); }
.card-icon svg{ width:100%; height:100%; }

.card-link{
  display:inline-flex; align-items:center; gap:6px;
  margin-top:16px; font-size:.85rem; font-weight:600; color:var(--copper);
}
.card-link svg{ width:14px; height:14px; transition:transform .18s var(--ease); }
.card:hover .card-link svg{ transform:translateX(3px); }

/* Segment / audience cards on home */
.segment-card{
  background:var(--navy-deep); color:var(--sand);
  padding:32px 26px;
  border-radius:var(--radius);
}
.segment-card h3{ color:var(--paper); font-size:1.1rem; }
.segment-card p{ color:#C7D2D0; font-size:.92rem; }

/* =========================================================
   PROCESS / STEPS
   ========================================================= */
.steps{
  display:grid; gap:0;
  border-top:1px solid var(--line);
}
.step{
  display:grid;
  grid-template-columns:70px 1fr;
  gap:20px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.step .step-num{
  font-family:var(--font-mono); color:var(--copper); font-size:.95rem; padding-top:2px;
}
.step h3{ font-size:1.05rem; margin-bottom:6px; }
.step p{ margin-bottom:0; font-size:.94rem; }

/* =========================================================
   STAT / VALUE STRIP
   ========================================================= */
.value-strip{
  display:grid; gap:24px;
  grid-template-columns:1fr;
  padding:36px 0;
}
@media (min-width:761px){ .value-strip{ grid-template-columns:repeat(3,1fr); } }
.value-item{ border-left:2px solid var(--copper); padding-left:18px; }
.value-item h3{ font-size:1.05rem; }
.value-item p{ font-size:.92rem; margin-bottom:0; }

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{
  background:var(--ink);
  color:var(--sand);
  border-radius:var(--radius);
  padding:52px 40px;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px;
}
.cta-band h3{ color:var(--paper); font-size:1.5rem; margin-bottom:6px; }
.cta-band p{ color:#C7D2D0; margin-bottom:0; }
.cta-band-actions{ display:flex; gap:12px; flex-wrap:wrap; }

/* =========================================================
   TABS / FILTERS (Projects, Products)
   ========================================================= */
.filter-bar{
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom:36px;
}
.filter-btn{
  padding:9px 18px;
  border:1px solid var(--line-dark);
  border-radius:999px;
  font-size:.85rem; font-weight:500;
  background:transparent;
  color:var(--ink-soft);
  transition:all .18s var(--ease);
}
.filter-btn.is-active, .filter-btn:hover{
  background:var(--ink); color:var(--sand); border-color:var(--ink);
}

.project-card{
  border:1px solid var(--line);
  background:var(--paper);
  border-radius:var(--radius);
  overflow:hidden;
}
.project-thumb{
  aspect-ratio:4/3;
  background:linear-gradient(135deg, var(--teal-soft), var(--sand-dark));
  display:flex; align-items:center; justify-content:center;
  color:var(--teal);
  position:relative;
}
.project-thumb svg{ width:64px; height:64px; opacity:.8; }
.project-tag{
  position:absolute; top:14px; left:14px;
  background:var(--paper);
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  padding:5px 10px; border-radius:999px; color:var(--ink-soft);
}
.project-body{ padding:22px 22px 24px; }
.project-body h3{ font-size:1.05rem; }
.project-body p{ font-size:.88rem; margin-bottom:0; }

/* =========================================================
   FORMS
   ========================================================= */
.form-grid{ display:grid; gap:18px; }
@media (min-width:641px){ .form-grid.two-col{ grid-template-columns:1fr 1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:.85rem; font-weight:600; color:var(--ink); }
.field input, .field select, .field textarea{
  padding:13px 14px;
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  background:var(--paper);
  color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--copper);
}
.field-note{ font-size:.78rem; color:var(--muted); }
.form-status{
  margin-top:16px; padding:14px 16px; border-radius:var(--radius);
  font-size:.9rem; display:none;
}
.form-status.is-visible{ display:block; }
.form-status.success{ background:#E4EFE6; color:#2C5E36; }
.form-status.error{ background:#F5E4E0; color:#8A3A24; }

/* =========================================================
   CONTACT PANELS
   ========================================================= */
.contact-panel{
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--radius); padding:26px;
}
.contact-line{ display:flex; gap:14px; padding:14px 0; border-bottom:1px solid var(--line); }
.contact-line:last-child{ border-bottom:none; }
.contact-line .ci{ width:20px; height:20px; color:var(--copper); flex:0 0 auto; margin-top:2px; }
.contact-line span{ display:block; }
.contact-line .cl-label{ font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); font-family:var(--font-mono); }
.contact-line .cl-value{ font-weight:600; color:var(--ink); }

/* =========================================================
   TABLE (Products spec placeholder)
   ========================================================= */
.category-row{
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  padding:22px 0; border-bottom:1px solid var(--line);
}
.category-row h3{ font-size:1.05rem; margin-bottom:4px; }
.category-row p{ margin-bottom:0; font-size:.88rem; }
.category-index{ font-family:var(--font-mono); color:var(--copper); font-size:.85rem; min-width:32px; }

/* =========================================================
   BREADCRUMB / PAGE HEADER
   ========================================================= */
.page-header{
  padding:56px 0 40px;
  border-bottom:1px solid var(--line);
  background:var(--sand-dark);
}
.page-header .eyebrow{ margin-bottom:14px; }
.page-header h1{ font-size:clamp(1.9rem, 4vw, 2.6rem); }
.page-header p{ max-width:640px; font-size:1.02rem; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--ink); color:#C7D2D0; padding-top:64px; }
.footer-grid{
  display:grid; gap:40px;
  grid-template-columns:1fr;
  padding-bottom:40px;
  border-bottom:1px solid rgba(247,244,236,.12);
}
@media (min-width:761px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; } }
.footer-brand .brand{ color:var(--paper); }
.footer-brand p{ color:#9FB0AE; font-size:.9rem; max-width:280px; margin-top:14px; }
.footer-col h4{
  font-family:var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.1em;
  color:#9FB0AE; margin-bottom:16px; font-weight:500;
}
.footer-col a{ display:block; padding:6px 0; font-size:.9rem; color:#C7D2D0; }
.footer-col a:hover{ color:var(--brass); }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between;
  padding:24px 0;
  font-size:.8rem; color:#7E938F;
}
.footer-bottom a{ color:#9FB0AE; }
.footer-legal{ display:flex; gap:18px; flex-wrap:wrap; }

/* =========================================================
   WHATSAPP FLOATING BUTTON
   ========================================================= */
.whatsapp-float{
  position:fixed; right:20px; bottom:20px; z-index:90;
  width:56px; height:56px;
  background:#1F5C5B; color:#fff;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 22px rgba(16,30,35,.28);
  transition:transform .18s var(--ease);
}
.whatsapp-float:hover{ transform:translateY(-2px) scale(1.03); }
.whatsapp-float svg{ width:26px; height:26px; }

/* =========================================================
   UTILITIES
   ========================================================= */
.mt-0{ margin-top:0 !important; }
.text-muted{ color:var(--muted); }
.two-col-text{ display:grid; gap:36px; }
@media (min-width:861px){ .two-col-text{ grid-template-columns:1fr 1fr; } }
.list-check{ display:grid; gap:12px; margin-top:18px; }
.list-check li{ display:flex; gap:10px; font-size:.94rem; color:var(--ink-soft); }
.list-check svg{ width:18px; height:18px; color:var(--teal); flex:0 0 auto; margin-top:2px; }

.legal-content h2{ font-size:1.25rem; margin-top:2em; }
.legal-content p, .legal-content li{ color:var(--ink-soft); font-size:.96rem; }
.legal-content ul{ list-style:disc; padding-left:1.3em; margin-bottom:1em; }
.legal-content li{ margin-bottom:.4em; }

.placeholder-flag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:.72rem;
  background:#FCEFC8;
  color:#7A5A0E;
  padding:2px 8px;
  border-radius:3px;
  margin-left:6px;
}