/* ============================================
   KENG SERVICIOS — design tokens & base styles
   ============================================ */

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

:root{
  --bg:            #0A0F1C;
  --bg-raised:     #10182B;
  --bg-card:       #131D33;
  --line:          #223252;
  --line-soft:     #1A2740;

  --green:         #00B050;
  --green-soft:    #1E7A45;
  --blue:          #26A9E2;
  --cyan:          #A6DFF2;
  --navy-deep:     #141548;

  --text:          #EEF3F8;
  --text-muted:    #92A2BC;
  --text-faint:    #5C6D8A;

  --display: 'Space Grotesk', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;

  --max: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em 0;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em 0; color: var(--text-muted); }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* subtle blueprint grid background, used behind hero/section blocks */
.blueprint{
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
}

/* ---------- Header / nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,28,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 24px;
}

.nav-logo{
  display:flex;
  align-items:center;
}
.nav-logo img{ height: 32px; width:auto; }

.nav-links{
  display:flex;
  align-items:center;
  gap: 32px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover,
.nav-links a.active{
  color: var(--text);
  border-color: var(--green);
}

.nav-cta{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-phone{
  font-size: 14px;
  color: var(--text-muted);
  display:none;
}
@media (min-width: 860px){
  .nav-phone{ display:inline; }
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 11px 20px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{
  background: var(--green);
  color: #04140A;
}
.btn-primary:hover{ background: #00c95a; }

.btn-outline{
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-outline:hover{ border-color: var(--blue); color: var(--blue); }

.btn-ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--line-soft);
  padding: 9px 16px;
}

.menu-toggle{
  display:none;
  background:none;
  border:none;
  color: var(--text);
  font-size: 24px;
  cursor:pointer;
}

@media (max-width: 860px){
  .nav-links{
    position:absolute;
    top: 100%; left:0; right:0;
    flex-direction:column;
    align-items:flex-start;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--line-soft);
    padding: 18px 28px 24px;
    gap: 16px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .menu-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding: 84px 0 96px;
  border-bottom: 1px solid var(--line-soft);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:center;
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.eyebrow-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.eyebrow-tag::before{
  content:'';
  width:6px; height:6px;
  border-radius:50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(0,176,80,.2);
}

.hero h1{
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  color: var(--text);
  max-width: 14ch;
}
.hero h1 .accent{ color: var(--green); }

.hero-lead{
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero-actions{
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
  margin-bottom: 40px;
}

.hero-stats{
  display:flex;
  gap: 36px;
  flex-wrap:wrap;
}
.hero-stat b{
  display:block;
  font-family: var(--display);
  font-size: 1.7rem;
  color: var(--text);
}
.hero-stat span{
  font-size: 13px;
  color: var(--text-faint);
}

/* hero visual: layered diamond / circuit motif echoing the logo */
.hero-visual{
  position:relative;
  aspect-ratio: 1/1;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.hero-visual svg{ width:100%; height:100%; }

/* ---------- Section basics ---------- */
.section{ padding: 84px 0; }
.section-tight{ padding: 56px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2{
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--text);
}
.section-label{
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 10px;
  display:block;
}

.section-alt{ background: var(--bg-raised); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

/* ---------- Cards / grid ---------- */
.grid{
  display:grid;
  gap: 22px;
}
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px){
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 26px 24px;
  transition: border-color .18s ease;
}
.card:hover{ border-color: var(--blue); }

.card-icon{
  width: 40px; height: 40px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
  border-radius: 3px;
  background: rgba(0,176,80,.1);
  color: var(--green);
}
.card h3{
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 8px;
}
.card p{ font-size: 14.5px; margin-bottom: 0; }

/* category divider used on services page */
.cat-row{
  display:flex;
  align-items:baseline;
  gap: 14px;
  margin: 56px 0 22px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}
.cat-row:first-of-type{ margin-top: 0; border-top: none; padding-top: 0; }
.cat-row h3{
  font-size: 1.2rem;
  color: var(--text);
  margin:0;
}
.cat-row span{
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- CTA band ---------- */
.cta-band{
  background: linear-gradient(120deg, var(--navy-deep), #0d1a3a);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 52px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 32px;
  flex-wrap:wrap;
}
.cta-band h2{ font-size: 1.6rem; margin-bottom: 6px; color: var(--text); }
.cta-band p{ margin:0; }

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line-soft);
  padding: 52px 0 28px;
  background: var(--bg-raised);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
.footer-grid h4{
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 14px;
  font-family: var(--body);
  font-weight: 600;
}
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom: 10px; }
.footer-grid a, .footer-grid p{ font-size: 14px; color: var(--text-muted); }
.footer-grid a:hover{ color: var(--green); }
.footer-logo img{ height: 28px; margin-bottom: 14px; }
.footer-bottom{
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero h1{ font-size: clamp(1.9rem, 3.6vw, 2.6rem); color: var(--text); max-width: 20ch; }
.page-hero p{ max-width: 52ch; font-size: 1.02rem; }

/* ---------- Process steps ---------- */
.steps{ counter-reset: step; display:grid; gap: 4px; }
.step{
  display:grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}
.step:first-child{ border-top:none; }
.step-num{
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--green);
}
.step h3{ font-size: 1.05rem; color: var(--text); margin-bottom:4px; }
.step p{ font-size: 14.5px; margin:0; }

/* ---------- Forms ---------- */
.form-grid{ display:grid; gap: 18px; grid-template-columns: 1fr 1fr; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }
.field{ display:flex; flex-direction:column; gap: 8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 13.5px; color: var(--text-muted); }
.field input, .field select, .field textarea{
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 14.5px;
}
.field textarea{ resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--green);
}

.contact-info-row{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.contact-info-row:first-child{ border-top:none; padding-top:0; }
.contact-info-row .ico{ color: var(--green); flex-shrink:0; margin-top: 2px; }
.contact-info-row h4{ font-family: var(--body); font-size: 14.5px; color: var(--text); margin:0 0 3px; font-weight:600; }
.contact-info-row p{ font-size: 14px; margin:0; }

/* ---------- Realisations gallery ---------- */
.project-card{
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow:hidden;
  background: var(--bg-card);
}
.project-thumb{
  aspect-ratio: 4/3;
  background:
    radial-gradient(circle at 30% 20%, rgba(38,169,226,.16), transparent 55%),
    linear-gradient(135deg, var(--navy-deep), var(--bg-card));
  position:relative;
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  border-bottom: 1px solid var(--line-soft);
}
.project-thumb::before{
  content:'';
  position:absolute;
  inset:0;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity:.35;
}
.project-thumb svg{ position:relative; z-index:1; }
.project-body{ padding: 20px 22px 22px; }
.project-tag{
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 8px;
  display:block;
}
.project-body h3{ font-size: 1.05rem; color: var(--text); margin-bottom: 6px; }
.project-body p{ font-size: 14px; margin:0; }

/* visible focus for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

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