/* ==========================================================================
   Earnslaw TFM Technical Services — design tokens
   ========================================================================== */

:root{
  --ink: #16211B;
  --green: #3F8A5D;
  --green-dark: #2C6B45;
  --green-tint: #E3F1E7;
  --green-tint-2: #F2F8F4;
  --paper: #FAFAF7;
  --slate: #5B6B61;
  --copper: #C97A3D;
  --copper-dark: #A9622C;
  --white: #FFFFFF;
  --line: rgba(22,33,27,0.12);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 2px;
}

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

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

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

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

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

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-dark);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--copper);
  display: inline-block;
}

/* ---------------- Buttons ---------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--copper);
  color: var(--white);
}
.btn-primary:hover{ background: var(--copper-dark); }
.btn-outline{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover{ background: var(--ink); color: var(--paper); }
.btn-outline-light{
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}
.btn-outline-light:hover{ background: rgba(255,255,255,0.12); }

/* ---------------- Header / Nav ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,250,247,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.logo{
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img{
  height: 42px;
  width: auto;
  display: block;
}
.logo .tag{
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--slate);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a{
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav-links a.active,
.nav-links a:hover{ color: var(--green-dark); }
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  background: var(--copper);
}
.nav-cta{ display:flex; align-items:center; gap:20px; }
.nav-toggle{
  display:none;
  flex-direction: column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 22px; height: 2px; background: var(--ink);
}

/* ---------------- Footer ---------------- */
.site-footer{
  background: var(--ink);
  color: var(--green-tint-2);
  padding: 64px 0 28px;
  margin-top: 120px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-grid h4{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--copper);
  margin-bottom: 18px;
}
.footer-grid p, .footer-grid a{ color: rgba(242,248,244,0.72); font-size: 0.92rem; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-grid a:hover{ color: var(--white); }
.footer-bottom{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(242,248,244,0.5);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-logo{
  display: inline-flex;
  align-items: center;
  background: var(--paper);
  padding: 10px 16px;
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.footer-logo img{
  height: 34px;
  width: auto;
  display: block;
}

/* ---------------- Hero ---------------- */
.hero{
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero h1{
  font-size: clamp(2.4rem, 4.6vw, 3.7rem);
  max-width: 640px;
}
.hero .lede{
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 34px;
}
.hero-ctas{ display:flex; gap: 16px; flex-wrap: wrap; }

.schematic-wrap{
  position: relative;
  height: 420px;
}
.schematic-wrap svg{ width: 100%; height: 100%; }
.schematic-line{
  fill: none;
  stroke: var(--green);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.schematic-node{ fill: var(--paper); stroke: var(--green-dark); stroke-width: 2; }
.schematic-node-fill{ fill: var(--copper); }
.schematic-label{
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--slate);
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: no-preference){
  .schematic-draw{
    stroke-dasharray: 1400;
    stroke-dashoffset: 1400;
    animation: draw 2.6s ease forwards 0.2s;
  }
  .schematic-node{
    opacity: 0;
    animation: fadein 0.6s ease forwards;
  }
}
@keyframes draw{ to{ stroke-dashoffset: 0; } }
@keyframes fadein{ to{ opacity: 1; } }

/* ---------------- Stats bar ---------------- */
.stats-bar{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
  background: var(--green-tint-2);
}
.stats-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.stat-num{
  font-family: var(--font-mono);
  font-size: 1.9rem;
  color: var(--green-dark);
  display:block;
}
.stat-label{
  font-size: 0.82rem;
  color: var(--slate);
}

/* ---------------- Sections ---------------- */
.section{ padding: 96px 0; }
.section-tight{ padding: 64px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.tinted{ background: var(--green-tint-2); }

/* Service cards */
.card-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card{
  background: var(--white);
  border: 1px solid var(--line);
  padding: 34px 30px;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.service-card:hover{
  border-color: var(--green);
  transform: translateY(-3px);
}
.service-card .icon{
  width: 46px; height: 46px;
  margin-bottom: 22px;
}
.service-card h3{ font-size: 1.2rem; margin-bottom: 12px; }
.service-card .card-link{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Values / why-us list */
.values-list{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
}
.value-item{
  display: flex;
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.value-num{
  font-family: var(--font-mono);
  color: var(--copper);
  font-size: 0.85rem;
  padding-top: 3px;
}
.value-item h4{ font-size: 1.02rem; margin-bottom: 6px; }
.value-item p{ margin: 0; font-size: 0.93rem; }

/* CTA band */
.cta-band{
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--white); margin-bottom: 8px; max-width: 480px; }
.cta-band p{ color: rgba(250,250,247,0.68); margin: 0; }

/* ---------------- Services page detail ---------------- */
.discipline{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  padding: 80px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.discipline:first-of-type{ border-top: none; }
.discipline-index{
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 0.85rem;
}
.discipline h2{ font-size: 2rem; margin-top: 10px; }
.sublist{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 30px;
}
.sublist li{
  font-size: 0.94rem;
  color: var(--ink);
  padding-left: 20px;
  position: relative;
}
.sublist li::before{
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border: 1.5px solid var(--copper);
  border-radius: 50%;
}

/* ---------------- Process steps (About) ---------------- */
.process{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.process-step{
  padding: 26px 24px;
  border-left: 1px solid var(--line);
  position: relative;
}
.process-step:first-child{ border-left: none; padding-left: 0; }
.process-num{
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 14px;
}
.process-step h4{ font-size: 1rem; margin-bottom: 8px; }
.process-step p{ font-size: 0.88rem; margin: 0; }

/* ---------------- Contact page ---------------- */
.contact-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}
.info-item{
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.info-item:first-child{ border-top: none; padding-top: 0; }
.info-item h4{
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-bottom: 8px;
}
.info-item p{ font-size: 1rem; color: var(--ink); margin: 0; }

form{ display: flex; flex-direction: column; gap: 20px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin-bottom: 8px;
  display: block;
}
input, textarea, select{
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  border-radius: var(--radius);
}
input:focus, textarea:focus, select:focus{
  outline: none;
  border-color: var(--green);
}
textarea{ resize: vertical; min-height: 120px; }
.form-status{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--green-dark);
  min-height: 20px;
}
.map-frame{
  border: 1px solid var(--line);
  height: 280px;
  background: var(--green-tint-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  padding: 20px;
}

/* ---------------- Team ---------------- */
.team-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.team-card{
  background: var(--white);
  border: 1px solid var(--line);
  padding: 32px 26px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.team-card:hover{ border-color: var(--green); transform: translateY(-3px); }
.avatar{
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--green-tint);
  border: 1.5px solid var(--green);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green-dark);
  margin: 0 auto 20px;
}
.team-card h3{ font-size: 1.02rem; margin-bottom: 4px; }
.team-role{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--copper);
  margin-bottom: 14px;
}
.team-card p{ font-size: 0.88rem; margin: 0; }

/* ---------------- Portfolio ---------------- */
.portfolio-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.portfolio-card{
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.portfolio-card:hover{ border-color: var(--green); transform: translateY(-3px); }
.portfolio-thumb{
  height: 160px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.portfolio-thumb svg{ width: 56px; height: 56px; }
.portfolio-thumb.t1{ background: var(--ink); }
.portfolio-thumb.t2{ background: var(--green-dark); }
.portfolio-thumb.t3{ background: var(--copper-dark); }
.portfolio-thumb.t4{ background: var(--green); }
.portfolio-info{ padding: 24px 26px; background: var(--white); }
.portfolio-tag{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green-dark);
  margin-bottom: 10px;
}
.portfolio-info h3{ font-size: 1.05rem; margin-bottom: 8px; }
.portfolio-info p{ font-size: 0.9rem; margin: 0; }

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero{
  padding: 64px 0 50px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1{ font-size: clamp(2rem, 4vw, 2.8rem); max-width: 700px; }
.page-hero p{ max-width: 560px; }

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

/* ---------------- Responsive ---------------- */
@media (max-width: 960px){
  .hero-grid{ grid-template-columns: 1fr; }
  .schematic-wrap{ height: 260px; order: -1; }
  .card-grid{ grid-template-columns: 1fr 1fr; }
  .values-list{ grid-template-columns: 1fr; }
  .discipline{ grid-template-columns: 1fr; gap: 24px; }
  .process{ grid-template-columns: 1fr 1fr; }
  .process-step{ border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 22px; }
  .process-step:first-child{ border-top: none; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr 1fr; }
  .portfolio-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links, .nav-cta .btn-outline{ display: none; }
  .nav-toggle{ display: flex; }
  .nav.open .nav-links{
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    padding: 24px 32px;
    border-bottom: 1px solid var(--line);
    gap: 20px;
  }
  .stats-grid{ grid-template-columns: 1fr 1fr; gap: 24px; }
  .card-grid{ grid-template-columns: 1fr; }
  .cta-band{ padding: 40px 28px; flex-direction: column; align-items: flex-start; }
  .form-row{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
  .sublist{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr; }
  .stats-grid{ grid-template-columns: 1fr; gap: 20px; }
}