/* =========================================================
   UTILIN — Engenharia & Manutenção Industrial
   Design: painel industrial / blueprint técnico
   ========================================================= */

:root{
  /* --- Paleta (tema escuro, default) --- */
  --bg:            #0B0F14;
  --bg-alt:        #10151C;
  --bg-panel:      #131922;
  --line:          rgba(140,166,196,0.14);
  --line-strong:   rgba(140,166,196,0.28);
  --header-bg:     rgba(11,15,20,0.82);

  --ink:           #E7ECF2;
  --ink-soft:      #A9B6C4;
  --ink-mute:      #6E7A88;

  --blueprint:     #2E4B6B;
  --blueprint-lt:  #4E7CB0;
  --amber:         #F2A93B;
  --amber-dim:     #C6862A;
  --ok:            #4FB286;

  --radius: 2px;
  --radius-lg: 6px;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --container: 1180px;
}

/* =========================================================
   TEMA CLARO
   ========================================================= */
:root[data-theme="light"]{
  --bg:            #F5F7FA;
  --bg-alt:        #ECF0F5;
  --bg-panel:      #FFFFFF;
  --line:          rgba(46,75,107,0.16);
  --line-strong:   rgba(46,75,107,0.30);
  --header-bg:     rgba(255,255,255,0.86);

  --ink:           #14202E;
  --ink-soft:      #3E4E63;
  --ink-mute:      #5C6B7C;

  --blueprint:     #3B6A9A;
  --blueprint-lt:  #2B6CB0;
  --amber:         #C98A1E;
  --amber-dim:     #A97417;
  --ok:            #2F8F68;
}

:root[data-theme="light"] .site-header{ box-shadow: none; }
:root[data-theme="light"] .team-avatar{
  background: linear-gradient(160deg, var(--blueprint-lt), var(--bg-panel));
}
:root[data-theme="light"] .metric-fill{
  background: linear-gradient(90deg, var(--blueprint-lt), var(--amber));
}
:root[data-theme="light"] .panel-scan{
  background: linear-gradient(90deg, transparent, rgba(201,138,30,.55), transparent);
}
:root[data-theme="light"] .cta-box::before{
  background: radial-gradient(circle, rgba(201,138,30,0.22), transparent 70%);
}

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

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

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }

::selection{ background: var(--amber); color: #14181f; }

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

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

/* ---------- Blueprint grid backdrop ---------- */
.blueprint-grid{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

section, header, footer{ position: relative; z-index: 1; }

/* =========================================================
   TYPOGRAPHY
   ========================================================= */
h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0;
}
h1{ font-size: clamp(2.1rem, 5.4vw, 3.6rem); line-height: 1.08; }
h2{ font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.15; }
h3{ font-size: 1.15rem; letter-spacing: 0.02em; }
h4{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--blueprint-lt);
  margin: 0 0 10px;
}
p{ margin: 0; color: var(--ink-soft); }

.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 14px;
}
.tag::before{
  content:"";
  width: 16px; height: 1px;
  background: var(--amber);
  display:inline-block;
}

.hl{ color: var(--amber); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-controls{
  display:flex;
  align-items:center;
  gap:8px;
}
.control-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.control-btn:hover{ color: var(--amber); border-color: var(--amber); }
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 72px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  color: var(--ink);
}
.brand-mark{ color: var(--amber); display:flex; }
.brand-text{
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}
.brand-text em{ color: var(--amber); font-style: normal; }

.main-nav{
  display:flex;
  align-items:center;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.main-nav a{
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.main-nav a:hover{ color: var(--ink); }
.main-nav a:not(.nav-cta)::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background: var(--amber);
  transition: width .25s ease;
}
.main-nav a:not(.nav-cta):hover::after{ width:100%; }

.nav-cta{
  border: 1px solid var(--amber);
  color: var(--amber) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius);
}
.nav-cta:hover{ background: var(--amber); color: var(--bg) !important; }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width: 40px; height: 40px;
  background:none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor:pointer;
}
.nav-toggle span{
  width: 18px; height: 2px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity: 0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  padding: 72px 0 88px;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(46,75,107,0.35), transparent 60%);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items:center;
}
.eyebrow{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin: 0 0 20px;
}
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(79,178,134,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(79,178,134,.55); }
  70%{ box-shadow: 0 0 0 8px rgba(79,178,134,0); }
  100%{ box-shadow: 0 0 0 0 rgba(79,178,134,0); }
}
.hero-copy .lede{
  margin: 22px 0 32px;
  font-size: 1.05rem;
  max-width: 46ch;
  color: var(--ink-soft);
}
.hero-actions{
  display:flex; flex-wrap:wrap; gap:14px;
  margin-bottom: 34px;
}
.hero-meta{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-mute);
  display:flex; gap:10px; align-items:center;
}
.hero-meta strong{ color: var(--ink-soft); }
.hero-meta .sep{ color: var(--line-strong); }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 15px 26px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{
  background: var(--amber);
  color: #14181f;
}
.btn-primary:hover{ background: #ffbb52; }
.btn-ghost{
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--amber); color: var(--amber); }

/* --- Hero HUD panel --- */
.hero-panel{
  position: relative;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-alt));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 26px 24px 30px;
  overflow: hidden;
}
.panel-head{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  display:flex; align-items:center; gap:8px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.panel-dot{ width:6px; height:6px; border-radius:50%; background: var(--ink-mute); }
.dot-live{ background: var(--amber); box-shadow: 0 0 8px var(--amber); }

.panel-metric{ margin-bottom: 22px; }
.panel-metric:last-of-type{ margin-bottom: 0; }
.metric-label{
  display:block;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.metric-value{
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  display:block;
  margin-bottom: 8px;
}
.metric-bar{
  height: 5px;
  background: var(--line);
  border-radius: 3px;
  overflow:hidden;
}
.metric-fill{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, var(--blueprint-lt), var(--amber));
  border-radius: 3px;
  transition: width 1.4s cubic-bezier(.16,.8,.3,1);
}
.panel-scan{
  position:absolute; left:0; right:0; height:2px;
  top:0;
  background: linear-gradient(90deg, transparent, rgba(242,169,59,.6), transparent);
  animation: scan 4.5s linear infinite;
}
@keyframes scan{
  0%{ transform: translateY(0); opacity:0; }
  10%{ opacity:1; }
  90%{ opacity:1; }
  100%{ transform: translateY(320px); opacity:0; }
}

/* =========================================================
   SECTIONS — generic
   ========================================================= */
.section{ padding: 90px 0; }
.section-dark{
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head p{ margin-top: 16px; font-size: 1.02rem; }

.section-split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items:start;
}
.section-split.reverse{ grid-template-columns: 1fr 1fr; }

/* --- Áreas de atuação --- */
.areas-label{
  display:block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blueprint-lt);
  margin-bottom: 18px;
}
.areas-list{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 20px;
}
.areas-list li{
  display:flex; align-items:center; gap:10px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.areas-ico{ color: var(--amber); font-family: var(--font-mono); }

/* =========================================================
   MISSÃO / VISÃO / VALORES
   ========================================================= */
.mvv-grid{
  display:grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.mvv-card{
  background: var(--bg-alt);
  padding: 34px 28px;
}
.mvv-index{
  display:inline-flex;
  align-items:center; justify-content:center;
  width: 40px; height: 40px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--amber);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  margin-bottom: 18px;
}
.mvv-card h3{ margin-bottom: 12px; }
.mvv-card p{ font-size: 0.95rem; }
.mvv-values dt{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  margin-top: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mvv-values dt:first-of-type{ margin-top: 0; }
.mvv-values dd{
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* =========================================================
   SERVIÇOS
   ========================================================= */
.services-grid{
  display:flex;
  flex-direction:column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card{
  background: var(--bg);
  padding: 40px clamp(20px, 4vw, 48px);
}
.service-top{
  display:flex; align-items:baseline; gap:18px;
  margin-bottom: 16px;
}
.service-num{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--amber);
  border: 1px solid var(--line-strong);
  padding: 4px 9px;
  border-radius: var(--radius);
  flex-shrink:0;
}
.service-card > p{ max-width: 62ch; margin-bottom: 28px; font-size: 1rem; }
.mini-lede{ font-size: 0.88rem; margin-bottom: 10px !important; color: var(--ink-mute) !important; }

.service-cols{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.service-cols.two{ grid-template-columns: repeat(2, 1fr); }
.service-cols ul li{
  position:relative;
  padding-left: 18px;
  margin-bottom: 9px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.service-cols ul li::before{
  content:"—";
  position:absolute; left:0; top:0;
  color: var(--blueprint-lt);
}
.mt{ margin-top: 22px; }

.check-list li{
  padding-left: 20px !important;
  color: var(--ink-soft);
}
.check-list li::before{
  content:"✓" !important;
  color: var(--ok) !important;
}
.check-list.inline{
  display:flex; flex-wrap:wrap; gap: 10px 28px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.check-list.inline li{ margin-bottom:0; font-size: 0.9rem; }

/* =========================================================
   METODOLOGIA
   ========================================================= */
.method-line{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  counter-reset: none;
  position: relative;
}
.method-line::before{
  content:"";
  position:absolute;
  top: 22px; left: 0; right:0;
  height: 1px;
  background: var(--line-strong);
  z-index:0;
}
.method-line li{
  position:relative;
  z-index:1;
  padding-right: 20px;
}
.method-step{
  display:flex; align-items:center; justify-content:center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.method-line h3{
  font-size: 0.95rem;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.method-line p{ font-size: 0.85rem; }

/* =========================================================
   POR QUE ESCOLHER
   ========================================================= */
.pillars-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 56px;
}
.pillar{
  background: var(--bg);
  padding: 32px 24px;
  text-align:center;
}
.pillar-ico{ font-size: 1.8rem; display:block; margin-bottom: 14px; filter: grayscale(1) brightness(1.4); }
.pillar h3{ font-size: 1rem; margin-bottom: 8px; }
.pillar p{ font-size: 0.88rem; }

.reasons-list{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px 24px;
}
.reasons-list li{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding-left: 20px;
  position:relative;
}
.reasons-list li::before{
  content:"▸";
  position:absolute; left:0; color: var(--amber);
}

/* =========================================================
   CLIENTES
   ========================================================= */
.clients-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.clients-col ul li{
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* =========================================================
   EQUIPA
   ========================================================= */
.team-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.team-card{
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: 26px 20px;
  text-align:center;
  border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease;
}
.team-card:hover{ border-color: var(--line-strong); transform: translateY(-3px); }
.team-lead{ border-color: var(--amber-dim); }
.team-avatar{
  width: 76px; height: 76px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--blueprint), var(--bg-panel));
  border: 1px solid var(--line-strong);
}
.team-card h3{ font-size: 1rem; margin-bottom: 6px; }
.team-role{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =========================================================
   CTA / CONTACTO
   ========================================================= */
.cta-section{ padding-bottom: 100px; }
.cta-box{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 60px);
  position: relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;
  width: 340px; height: 340px;
  right: -100px; top: -120px;
  background: radial-gradient(circle, rgba(242,169,59,0.18), transparent 70%);
}
.cta-copy h2{ margin: 8px 0 16px; }
.cta-copy p{ max-width: 42ch; }

.cta-contacts{ display:flex; flex-direction:column; gap: 20px; }
.contact-row{
  display:flex; align-items:flex-start; gap:14px;
  padding: 16px 18px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s ease;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
a.contact-row:hover{ border-color: var(--amber); }
.contact-ico{ font-size: 1.2rem; line-height:1; }
.contact-row strong{ color: var(--ink); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
  text-align:center;
}
.footer-brand .brand-text{ font-size: 1.1rem; }
.footer-tag{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}
.footer-copy{ font-size: 0.78rem; color: var(--ink-mute); }

/* =========================================================
   FLOATING CTA (mobile-first convenience)
   ========================================================= */
.fab-cta{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--amber);
  color: #14181f;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  transition: transform .2s ease;
}
.fab-cta:hover{ transform: scale(1.06); }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal-init{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal-in{
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px){
  .hero-grid{ grid-template-columns: 1fr; gap: 44px; }
  .hero-panel{ max-width: 480px; }
  .service-cols{ grid-template-columns: repeat(2, 1fr); }
  .pillars-grid{ grid-template-columns: repeat(2, 1fr); }
  .reasons-list{ grid-template-columns: repeat(2, 1fr); }
  .team-grid{ grid-template-columns: repeat(2, 1fr); }
  .method-line{ grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .method-line::before{ display:none; }
}

@media (max-width: 860px){
  .main-nav{
    position: fixed;
    top: 72px; left:0; right:0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
  }
  .main-nav.open{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .main-nav a{ width:100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a.nav-cta{ border: 1px solid var(--amber); margin-top: 12px; text-align:center; }
  .nav-toggle{ display:flex; }

  .section-split, .section-split.reverse{ grid-template-columns: 1fr; gap: 36px; }
  .mvv-grid{ grid-template-columns: 1fr; }
  .cta-box{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .section{ padding: 64px 0; }
  h1{ letter-spacing: 0; }
  .hero{ padding: 48px 0 64px; }
  .hero-actions .btn{ width: 100%; }
  .hero-actions{ flex-direction:column; }
  .areas-list{ grid-template-columns: 1fr; }
  .service-cols{ grid-template-columns: 1fr; gap: 24px; }
  .service-card{ padding: 32px 20px; }
  .pillars-grid{ grid-template-columns: 1fr 1fr; }
  .reasons-list{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr 1fr; gap: 14px; }
  .method-line{ grid-template-columns: 1fr 1fr; }
  .clients-grid{ grid-template-columns: 1fr; gap: 8px; }
  .fab-cta{ width: 56px; height: 56px; font-size: 0.56rem; right: 14px; bottom: 14px; }
}

@media (max-width: 420px){
  .pillars-grid{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr; }
  .method-line{ grid-template-columns: 1fr; }
}

/* =========================================================
   NAV — link UEL
   ========================================================= */
.nav-uel {
  color: var(--amber) !important;
  border: 1px solid rgba(242,169,59,0.35);
  padding: 5px 11px !important;
  border-radius: var(--radius);
  transition: background .2s ease, border-color .2s ease !important;
}
.nav-uel::after { display: none !important; }
.nav-uel:hover { background: rgba(242,169,59,0.1); border-color: var(--amber); }

/* =========================================================
   HEADER CONTROLS — language + theme toggles
   ========================================================= */
.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.lang-toggle,
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.lang-toggle:hover,
.theme-toggle:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.lang-toggle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  height: 34px;
}

.theme-toggle {
  width: 34px;
  height: 34px;
  padding: 0;
}
.theme-toggle svg { display: block; }

/* =========================================================
   PARTNERS GRID
   ========================================================= */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}
.partner-card {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .2s ease, transform .2s ease;
  text-decoration: none;
  color: inherit;
}
.partner-card:hover { border-color: var(--amber); transform: translateY(-3px); }
.partner-logo {
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  margin-bottom: 6px;
}
.partner-logo img { max-height: 60px; width: auto; object-fit: contain; }
.partner-card h3 { font-size: 1rem; margin-bottom: 4px; }
.partner-card p { font-size: 0.88rem; color: var(--ink-soft); }
.partner-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blueprint-lt);
  letter-spacing: 0.04em;
}

/* =========================================================
   LIGHT MODE — CSS variable overrides
   ========================================================= */
[data-theme="light"] {
  --bg:            #F4F7FB;
  --bg-alt:        #E9EEF5;
  --bg-panel:      #DDE4EE;
  --line:          rgba(50,70,110,0.13);
  --line-strong:   rgba(50,70,110,0.25);
  --ink:           #0C1219;
  --ink-soft:      #374659;
  --ink-mute:      #7A8898;
  --blueprint:     #2E4B6B;
  --blueprint-lt:  #3568A0;
  --amber:         #C6780A;
  --amber-dim:     #A5620A;
  --ok:            #2B8A60;
}

/* Header in light mode */
[data-theme="light"] .site-header {
  background: rgba(244,247,251,0.92);
}

/* Mobile nav panel in light mode */
@media (max-width: 860px) {
  [data-theme="light"] .main-nav {
    background: var(--bg);
  }
}

/* Blueprint grid slightly stronger in light mode */
[data-theme="light"] .blueprint-grid {
  opacity: 0.35;
}

/* Hero radial glow in light mode */
[data-theme="light"] .hero {
  background: radial-gradient(ellipse 900px 500px at 85% -10%, rgba(46,75,107,0.15), transparent 60%);
}

/* method-step bg in light mode */
[data-theme="light"] .method-step {
  background: var(--bg-alt);
}

/* Smooth transition when switching themes */
html {
  transition: background-color .3s ease, color .3s ease;
}
body,
.site-header,
.service-card,
.mvv-card,
.pillar,
.team-card,
.cta-box,
.contact-row,
.partner-card {
  transition: background-color .3s ease, border-color .3s ease, color .3s ease;
}