/* ==========================================================================
   ELTAC Services — stylesheet
   Palette: warm ink / cream / flame red-orange
   Fonts: Sora (headings), Inter (body), IBM Plex Mono (labels/eyebrows)
   ========================================================================== */

:root{
  --ink: #1c1410;
  --ink-soft: #35281f;
  --ink-faint: #8a7566;
  --cream: #faf3e8;
  --cream-soft: #f2e4d0;
  --paper: #fffbf5;
  --flame: #e8542f;
  --flame-dark: #c73f1f;
  --flame-light: #ff9466;
  --flame-tint: #fce6dc;
  --line: rgba(28,20,16,0.12);
  --line-on-dark: rgba(250,243,232,0.14);
  --font-heading: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --container-w: 1180px;
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 28px;
  --shadow-card: 0 1px 2px rgba(28,20,16,0.04), 0 12px 28px -18px rgba(28,20,16,0.35);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1,h2,h3,h4{ font-family: var(--font-heading); color: var(--ink); line-height: 1.15; margin: 0 0 0.5em; font-weight: 700; }
p{ margin: 0 0 1em; }
button{ font-family: inherit; }
svg{ display: block; }

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

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn svg{ width: 15px; height: 15px; }
.btn:hover{ transform: translateY(-1px); }
.btn--primary{ background: var(--flame); color: var(--cream); }
.btn--primary:hover{ background: var(--flame-dark); }
.btn--ghost{ background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover{ background: var(--cream-soft); border-color: var(--ink-faint); }
.btn--on-dark{ background: var(--cream); color: var(--ink); }
.btn--on-dark:hover{ background: var(--flame-light); color: var(--ink); }

/* ---------- type helpers ---------- */
.eyebrow{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--flame);
  margin-bottom: 14px;
}
.eyebrow--on-dark{ color: var(--flame-light); }
.lede{
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 54ch;
}

/* ---------- header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,251,245,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
  gap: 20px;
}
/* Brand mark: the full ELTAC logo (flame + wordmark + tagline), used as one
   image. Always scaled proportionally (height set, width auto) — never
   stretched or cropped — so its shape matches the source artwork exactly. */
.brand{ display: flex; align-items: center; }
.brand-logo{ height: 80px; width: auto; display: block; }

.main-nav{ display: flex; align-items: center; gap: 32px; }
.main-nav ul{ display: flex; align-items: center; gap: 26px; }
.main-nav ul a{
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.main-nav ul a:hover{ color: var(--flame); }
.main-nav ul a[aria-current="page"]{ color: var(--flame); border-color: var(--flame); }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  cursor: pointer;
  padding: 0;
}
.nav-toggle span{
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{ padding: 76px 0 90px; }
.hero .container{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}
.hero h1{
  font-size: clamp(2.3rem, 4.2vw, 3.5rem);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-visual{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.hero-visual::before{
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--flame-tint) 0%, rgba(252,230,220,0) 72%);
}
.flame-icon.flame-hero{ width: 220px; position: relative; filter: drop-shadow(0 18px 30px rgba(28,20,16,0.16)); }
.hero-tagline-mark{
  position: absolute;
  bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- sections ---------- */
.section{ padding: clamp(56px, 8vw, 96px) 0; }
.section--alt{ background: var(--cream-soft); }
.section--dark{ background: var(--ink); color: var(--cream); }
.section--dark h2{ color: var(--cream); }
.section--tight{ padding: 28px 0 0; }

.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head--center{ text-align: center; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }

/* ---------- gap / points ---------- */
.gap-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.gap-points{ display: flex; flex-direction: column; gap: 18px; }
.gap-point{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 20px;
}
.gap-point .icon{
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--flame-tint);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gap-point .icon img{ height: 16px; width: auto; display: block; }
.gap-point p{ margin: 0; color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; }

/* ---------- cards ---------- */
.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}
.service-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-card:hover{ transform: translateY(-4px); }
.service-card .num{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--flame);
  letter-spacing: 0.06em;
}
.service-card h3{ font-size: 1.12rem; margin-bottom: 2px; }
.service-card p{ color: var(--ink-faint); font-size: 0.94rem; line-height: 1.55; margin-bottom: 4px; }
.service-card .card-link{
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink);
}
.service-card .card-link svg{ width: 13px; height: 13px; transition: transform 0.15s ease; }
.service-card:hover .card-link svg{ transform: translateX(3px); }

/* ---------- impact / dark split ---------- */
.impact-inner{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.impact-inner p{ color: rgba(250,243,232,0.78); }
.impact-tags{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.impact-tags li{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cream);
  border: 1px solid var(--line-on-dark);
  padding: 8px 16px;
  border-radius: 999px;
}

/* ---------- cta band ---------- */
.cta-band{
  background: var(--ink);
  color: var(--cream);
  border-radius: var(--radius-l);
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--cream); font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 8px; }
.cta-band p{ color: rgba(250,243,232,0.75); margin: 0; max-width: 46ch; }

/* ---------- page banner (about/services/contact) ---------- */
.page-banner{
  padding: 56px 0 44px;
  background: var(--cream-soft);
  border-bottom: 1px solid var(--line);
}
.page-banner .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.page-banner h1{ font-size: clamp(2rem, 4vw, 2.7rem); margin-bottom: 10px; }
.page-banner p{ color: var(--ink-faint); font-size: 1.05rem; max-width: 52ch; margin: 0; }
.page-banner .flame-icon{ width: 110px; opacity: 0.92; flex: none; }

/* ---------- about: story ---------- */
.story-body{ max-width: 72ch; display: flex; flex-direction: column; gap: 18px; }
.story-body p{ font-size: 1.04rem; line-height: 1.75; color: var(--ink-soft); margin: 0; }

/* ---------- about: approach ---------- */
.approach-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.approach-point{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 24px;
}
.approach-point .step{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--flame);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 10px;
}
.approach-point h3{ font-size: 1.05rem; margin-bottom: 8px; }
.approach-point p{ color: var(--ink-faint); font-size: 0.93rem; line-height: 1.55; margin: 0; }

/* ---------- services page: full detail list ---------- */
.service-detail{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
.service-detail:first-child{ border-top: none; padding-top: 8px; }
.service-detail .service-head .num{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--flame);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 12px;
}
.service-detail h3{ font-size: 1.5rem; margin-bottom: 12px; }
.service-detail .service-head p{ color: var(--ink-faint); line-height: 1.6; margin: 0; }
.service-detail-list{ display: flex; flex-direction: column; gap: 12px; }
.service-detail-list li{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.98rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.service-detail-list li img{
  flex: none;
  height: 18px;
  width: auto;
  margin-top: 2px;
}

/* ---------- contact ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.contact-form{
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field{ display: flex; flex-direction: column; gap: 7px; }
.field label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.field input, .field textarea{
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  background: var(--paper);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea{ min-height: 130px; resize: vertical; font-family: var(--font-body); }
.field input:focus, .field textarea:focus{
  border-color: var(--flame);
  box-shadow: 0 0 0 3px var(--flame-tint);
}
.form-note{ font-size: 0.85rem; color: var(--ink-faint); margin: 0; }

.contact-info{ display: flex; flex-direction: column; gap: 28px; }
.info-card{
  background: var(--cream-soft);
  border-radius: var(--radius-m);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.info-row{ display: flex; gap: 14px; align-items: flex-start; }
.info-row svg{
  flex: none;
  width: 34px;
  height: 34px;
  padding: 8px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--flame);
  box-sizing: border-box;
}
.info-row .label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3px;
}
.info-row .value{ font-family: var(--font-heading); font-weight: 600; font-size: 0.98rem; color: var(--ink); }
.info-row a.value:hover{ color: var(--flame); }

.social-row{ display: flex; gap: 10px; }
.social-row a{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.social-row a svg{ width: 17px; height: 17px; }
.social-row a:hover{ background: var(--flame); border-color: var(--flame); color: var(--cream); }
.site-footer .social-row a{ border-color: var(--line-on-dark); color: rgba(250,243,232,0.75); }
.site-footer .social-row a:hover{ background: var(--flame); border-color: var(--flame); color: var(--cream); }

/* ---------- footer ---------- */
.site-footer{ background: var(--ink); color: var(--cream); padding: 64px 0 28px; }
.footer-grid{
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
}
/* The logo's wordmark/tagline are dark grey, drawn for a light background —
   give it a light plate here so it stays legible on the dark footer instead
   of altering the artwork itself. */
.footer-brand{
  display: inline-flex;
  align-items: center;
  background: var(--cream);
  border-radius: var(--radius-m);
  padding: 14px 20px;
  margin-bottom: 18px;
}
.footer-logo{ height: 108px; width: auto; display: block; }
.site-footer p{ color: rgba(250,243,232,0.65); }
.footer-col h4{
  color: rgba(250,243,232,0.55);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--font-heading);
}
.footer-col ul{ display: flex; flex-direction: column; gap: 11px; }
.footer-col ul li a, .footer-col ul li span{
  color: rgba(250,243,232,0.8);
  font-size: 0.92rem;
  transition: color 0.15s ease;
}
.footer-col ul li a:hover{ color: var(--flame-light); }
.footer-bottom{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--line-on-dark);
  margin-top: 48px;
  padding-top: 24px;
  font-size: 12.5px;
  color: rgba(250,243,232,0.5);
}

/* ---------- scroll reveal ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .gap-grid, .impact-inner, .contact-grid{ grid-template-columns: 1fr; }
  .service-detail{ grid-template-columns: 1fr; gap: 16px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .main-nav{
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    display: none;
  }
  .main-nav.is-open{ display: flex; }
  .main-nav ul{ flex-direction: column; align-items: flex-start; gap: 4px; }
  .main-nav ul a{ display: block; width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .main-nav > .btn{ margin-top: 14px; align-self: flex-start; }
  .nav-toggle{ display: flex; }
  .site-header{ position: sticky; }
  .site-header .container{ position: relative; }

  .hero .container{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; min-height: 220px; }
  .hero-actions .btn{ flex: 1 1 auto; justify-content: center; }

  .page-banner .container{ flex-direction: column; text-align: left; }
  .page-banner .flame-icon{ width: 84px; }

  .brand-logo{ height: 58px; }

  .footer-grid{ grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 560px){
  .form-row{ grid-template-columns: 1fr; }
  .cta-band{ padding: 32px 26px; flex-direction: column; align-items: flex-start; }
  .cta-band .btn{ width: 100%; justify-content: center; }
  .contact-form{ padding: 24px; }
}