/* =========================================================
   Expert Hands Consultancy Services — Design System
   Blueprint / schematic visual language for an electrical,
   EV & industrial engineering consultancy.
   ========================================================= */

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

:root{
  /* Color */
  --navy-900: #0B141F;
  --navy-800: #0F1B2D;
  --navy-700: #16273D;
  --navy-600: #21384F;
  --grid-line: rgba(148, 178, 204, 0.14);
  --grid-line-strong: rgba(148, 178, 204, 0.28);
  --paper: #EEF1F4;
  --paper-raised: #FFFFFF;
  --ink: #101820;
  --ink-soft: #45525E;
  --copper: #B8763F;
  --copper-bright: #D18F55;
  --circuit-blue: #4FA8D8;
  --line-hair: rgba(16, 24, 32, 0.12);
  --on-dark: #E9EDF2;
  --on-dark-soft: #A9BACB;

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --content-max: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
ul{ margin: 0; padding: 0; list-style: none; }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--circuit-blue);
  outline-offset: 3px;
}

/* =========================================================
   Blueprint grid background (used on dark sections)
   ========================================================= */
.blueprint{
  position: relative;
  background:
    linear-gradient(var(--navy-800), var(--navy-800));
  background-color: var(--navy-800);
  color: var(--on-dark);
}
.blueprint::before{
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}
.blueprint > *{ position: relative; z-index: 1; }

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: var(--navy-900);
  border-bottom: 1px solid var(--grid-line-strong);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand{
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  color: var(--on-dark);
  font-size: 1.05rem;
  font-weight: 600;
}
.brand-mark{
  width: 38px; height: 38px; flex: none;
}
.brand-name{ display: flex; flex-direction: column; line-height: 1.15; }
.brand-name small{
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.62rem;
  color: var(--copper-bright);
  letter-spacing: 0.04em;
}

.main-nav{ display: flex; align-items: center; gap: 30px; }
.main-nav a{
  color: var(--on-dark-soft);
  font-size: 0.93rem;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.main-nav a:hover{ color: var(--on-dark); }
.main-nav a.active{ color: var(--on-dark); border-color: var(--copper); }

.nav-call{
  display: flex; align-items: center; gap: 22px;
}
.nav-phone{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--on-dark);
  border-left: 1px solid var(--grid-line-strong);
  padding-left: 22px;
}
.nav-phone span{ color: var(--on-dark-soft); display:block; font-size: 0.68rem; margin-bottom: 2px; }

.nav-toggle{
  display: none;
  background: none; border: 1px solid var(--grid-line-strong);
  width: 42px; height: 42px; border-radius: 3px;
  color: var(--on-dark); font-size: 1.2rem;
  cursor: pointer;
}

@media (max-width: 900px){
  .main-nav{
    position: fixed; inset: 76px 0 0 0;
    background: var(--navy-900);
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 32px;
    gap: 22px;
    transform: translateX(100%);
    transition: transform .25s ease;
    border-top: 1px solid var(--grid-line-strong);
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ font-size: 1.05rem; }
  .nav-phone{ border-left: none; padding-left: 0; }
  .nav-call{ display: none; }
  .nav-toggle{ display: block; }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-copper{
  background: var(--copper);
  color: #1A1004;
}
.btn-copper:hover{ background: var(--copper-bright); }
.btn-outline{
  background: transparent;
  border-color: var(--grid-line-strong);
  color: var(--on-dark);
}
.btn-outline:hover{ border-color: var(--on-dark); }
.btn-ink{
  background: var(--navy-800);
  color: var(--on-dark);
}
.btn-ink:hover{ background: var(--navy-700); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  padding: 88px 0 96px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-kicker{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--copper-bright);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.hero-kicker::before{
  content: ""; width: 22px; height: 1px; background: var(--copper-bright);
}
.hero h1{
  font-size: clamp(2.1rem, 3.6vw, 3.4rem);
  color: var(--on-dark);
  margin-bottom: 22px;
}
.hero p.lead{
  color: var(--on-dark-soft);
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero{
  padding: 64px 0 72px;
}
.page-hero h1{
  font-size: clamp(2rem, 3.2vw, 2.9rem);
  color: var(--on-dark);
  max-width: 18ch;
}
.page-hero p.lead{
  color: var(--on-dark-soft);
  max-width: 58ch;
  font-size: 1.05rem;
  margin-top: 18px;
}
.page-hero .hero-kicker{ margin-bottom: 16px; }

/* =========================================================
   Schematic SVG diagram box (hero illustration)
   ========================================================= */
.diagram-panel{
  border: 1px solid var(--grid-line-strong);
  background: rgba(255,255,255,0.02);
  padding: 22px;
}
.diagram-panel svg{ width: 100%; height: auto; display: block; }

/* =========================================================
   Stat strip
   ========================================================= */
.stat-strip{
  border-top: 1px solid var(--grid-line-strong);
  border-bottom: 1px solid var(--grid-line-strong);
}
.stat-strip .wrap{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item{
  padding: 26px 28px;
  border-left: 1px solid var(--grid-line);
}
.stat-item:first-child{ border-left: none; padding-left: 0; }
.stat-num{
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--on-dark);
  display: block;
  margin-bottom: 6px;
}
.stat-label{
  font-size: 0.85rem;
  color: var(--on-dark-soft);
}
@media (max-width: 800px){
  .stat-strip .wrap{ grid-template-columns: repeat(2, 1fr); }
  .stat-item{ border-left: none; border-top: 1px solid var(--grid-line); padding: 20px 0 0; margin-top: 20px; }
  .stat-item:first-child, .stat-item:nth-child(2){ border-top:none; margin-top:0; padding-top:0; }
}

/* =========================================================
   Section scaffolding
   ========================================================= */
.section{ padding: 96px 0; }
.section-tight{ padding: 64px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2{
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  color: var(--ink);
  margin-bottom: 16px;
}
.section-head p{ font-size: 1.02rem; }
.on-dark .section-head h2{ color: var(--on-dark); }
.on-dark .section-head p{ color: var(--on-dark-soft); }
.on-dark .service-copy h3{ color: var(--on-dark); }
.on-dark .service-index{ color: var(--copper-bright); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--copper);
  margin-bottom: 14px;
  display: block;
}

/* =========================================================
   Asymmetric service blocks (replaces generic card grid)
   ========================================================= */
.service-block{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--line-hair);
}
.service-block:first-of-type{ border-top: none; padding-top: 0; }
.service-block.reverse{ grid-template-columns: 1.1fr 0.9fr; }
.service-block.reverse .service-copy{ order: 2; }
.service-block.reverse .service-figure{ order: 1; }

.service-index{
  font-family: var(--font-mono);
  color: var(--copper);
  font-size: 0.85rem;
  margin-bottom: 14px;
  display: block;
}
.service-copy h3{
  font-size: 1.55rem;
  margin-bottom: 16px;
  color: var(--ink);
}
.service-copy p{ font-size: 1rem; }
.service-copy ul{ margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.service-copy ul li{
  font-size: 0.94rem;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.service-copy ul li::before{
  content: "";
  position: absolute; left: 0; top: 0.55em;
  width: 8px; height: 1px;
  background: var(--copper);
}
.service-figure{
  border: 1px solid var(--line-hair);
  background: var(--paper-raised);
  padding: 20px;
}
.service-figure svg{ width: 100%; height: auto; display: block; }

@media (max-width: 860px){
  .service-block, .service-block.reverse{
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .service-block.reverse .service-copy,
  .service-block.reverse .service-figure{ order: initial; }
}

/* =========================================================
   Process line (used for the sequential EV/solar workflow)
   ========================================================= */
.process-line{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
  margin-top: 10px;
}
.process-step{
  padding: 0 18px 0 0;
  position: relative;
}
.process-step::before{
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: var(--grid-line-strong);
  margin-bottom: 22px;
  position: relative;
}
.process-step::after{
  content: "";
  position: absolute;
  top: -4px; left: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--copper);
}
.process-num{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper-bright);
  display: block;
  margin-bottom: 8px;
}
.process-step h4{
  color: var(--on-dark);
  font-size: 1.02rem;
  margin-bottom: 8px;
}
.process-step p{
  color: var(--on-dark-soft);
  font-size: 0.88rem;
  max-width: 22ch;
}
@media (max-width: 900px){
  .process-line{ grid-template-columns: 1fr 1fr; gap: 30px 20px; }
}
@media (max-width: 520px){
  .process-line{ grid-template-columns: 1fr; }
}

/* =========================================================
   Industry tag list
   ========================================================= */
.tag-row{
  display: flex; flex-wrap: wrap; gap: 12px;
}
.tag{
  border: 1px solid var(--line-hair);
  padding: 10px 18px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-family: var(--font-body);
}

/* =========================================================
   Two column text layout
   ========================================================= */
.split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
@media (max-width: 860px){ .split{ grid-template-columns: 1fr; gap: 32px; } }

/* =========================================================
   Value / approach list (definition-style, not icon cards)
   ========================================================= */
.value-list{
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-hair);
  border-left: 1px solid var(--line-hair);
}
.value-item{
  padding: 32px 36px;
  border-right: 1px solid var(--line-hair);
  border-bottom: 1px solid var(--line-hair);
}
.value-item h4{
  font-size: 1.08rem;
  margin-bottom: 10px;
  color: var(--ink);
}
.value-item p{ font-size: 0.94rem; margin: 0; }
@media (max-width: 700px){
  .value-list{ grid-template-columns: 1fr; }
}

/* =========================================================
   Team / role strip (outsourcing page)
   ========================================================= */
.role-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}
.role-item{
  background: var(--paper-raised);
  padding: 30px 28px;
}
.role-item h4{ font-size: 1.02rem; margin-bottom: 10px; }
.role-item p{ font-size: 0.9rem; margin: 0; }
@media (max-width: 860px){
  .role-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .role-grid{ grid-template-columns: 1fr; }
}

/* =========================================================
   Model strip (engagement models — onsite/offsite/remote)
   ========================================================= */
.model-strip{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.model-strip .model-item{
  border-top: 2px solid var(--copper);
  padding-top: 20px;
}
.model-item h4{ font-size: 1.1rem; margin-bottom: 10px; }
.model-item p{ font-size: 0.94rem; margin: 0; }
@media (max-width: 800px){
  .model-strip{ grid-template-columns: 1fr; gap: 28px; }
}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  padding: 72px 0;
}
.cta-band .wrap{
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--on-dark); font-size: clamp(1.5rem, 2.4vw, 2.1rem); max-width: 20ch; }
.cta-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   Contact page
   ========================================================= */
.contact-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; } }

.contact-detail{
  display: flex; flex-direction: column; gap: 26px;
  padding: 28px 0;
  border-top: 1px solid var(--line-hair);
}
.contact-detail:first-child{ border-top: none; }
.contact-detail h4{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--copper);
  text-transform: none;
  margin-bottom: 8px;
  font-weight: 500;
}
.contact-detail p, .contact-detail a{ margin: 0; font-size: 1.02rem; color: var(--ink); }
.contact-detail a:hover{ color: var(--copper); }

.form-field{ margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-field label{ font-size: 0.86rem; color: var(--ink-soft); }
.form-field input, .form-field select, .form-field textarea{
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 13px 14px;
  border: 1px solid var(--line-hair);
  background: var(--paper-raised);
  color: var(--ink);
  border-radius: 2px;
}
.form-field textarea{ resize: vertical; min-height: 120px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 560px){ .form-row{ grid-template-columns: 1fr; } }

.map-embed{
  border: 1px solid var(--line-hair);
  filter: grayscale(0.3) contrast(1.05);
  height: 320px; width: 100%;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background: var(--navy-900);
  color: var(--on-dark-soft);
  padding: 64px 0 32px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--grid-line);
}
.footer-brand .brand{ margin-bottom: 14px; }
.footer-brand p{ color: var(--on-dark-soft); font-size: 0.92rem; max-width: 34ch; }
.footer-col h5{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--on-dark);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col ul{ display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: 0.9rem; color: var(--on-dark-soft); }
.footer-col a:hover{ color: var(--on-dark); }
.footer-bottom{
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px; font-size: 0.82rem; flex-wrap: wrap; gap: 12px;
}
@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* Section background helpers */
.bg-paper{ background: var(--paper); }
.bg-raised{ background: var(--paper-raised); }