/* Brand: essentialtechmi.help — warm amber IT operations manual (ess98) */
:root {
  --ess98-max: 1120px;
  --ess98-radius: 4px;
  --ess98-rule: 1px solid var(--dna-line);
  --ess98-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--dna-font-body, Inter, system-ui, sans-serif);
  font-weight: var(--dna-body-weight, 400);
  color: var(--dna-ink);
  background:
    linear-gradient(180deg, hsl(44, 28%, 94%) 0%, var(--dna-bg) 220px),
    var(--dna-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--dna-accent); }
h1, h2, h3, h4 {
  font-family: var(--dna-font-display, Figtree, system-ui, sans-serif);
  font-weight: var(--dna-display-weight, 600);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.55em;
}
p { margin: 0 0 1em; color: var(--dna-ink-soft); }
ul { margin: 0; padding: 0; list-style: none; }

.ess98-skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--dna-accent);
  color: var(--dna-accent-ink);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.ess98-skip:focus { left: 0.75rem; top: 0.75rem; }

.ess98-wrap {
  width: min(100% - 2.5rem, var(--ess98-max));
  margin-inline: auto;
}

.ess98-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}

/* Topbar header */
.ess98-topbar {
  background: hsl(44, 22%, 16%);
  color: hsl(44, 20%, 92%);
  font-size: 0.82rem;
}
.ess98-topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.45rem 0;
  flex-wrap: wrap;
}
.ess98-topbar a { color: inherit; text-decoration: none; }
.ess98-topbar a:hover { color: var(--dna-accent2, #e8b84a); }

.ess98-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--dna-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: var(--ess98-rule);
}
.ess98-nav-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4.1rem;
}
.ess98-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  margin-right: auto;
}
.ess98-brand img { width: 34px; height: 34px; }
.ess98-brand b {
  display: block;
  font-family: var(--dna-font-display);
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--dna-ink);
}
.ess98-brand span span {
  display: block;
  font-size: 0.72rem;
  color: var(--dna-ink-soft);
  letter-spacing: 0.02em;
  font-weight: 500;
}
.ess98-links {
  display: flex;
  gap: 1.15rem;
  font-size: 0.92rem;
}
.ess98-links a {
  text-decoration: none;
  color: var(--dna-ink-soft);
  font-weight: 500;
}
.ess98-links a[aria-current="page"],
.ess98-links a:hover { color: var(--dna-ink); }
.ess98-nav-end { display: flex; align-items: center; gap: 0.55rem; }

.ess98-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.72rem 1.15rem;
  border-radius: var(--ess98-radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--ess98-ease), background 0.2s ease, border-color 0.2s ease;
}
.ess98-btn:focus-visible,
.ess98-bk-tab:focus-visible,
.ess98-burger:focus-visible,
input:focus-visible {
  outline: 2px solid var(--dna-accent);
  outline-offset: 2px;
}
.ess98-btn--solid {
  background: var(--dna-accent);
  color: var(--dna-accent-ink);
  border-color: color-mix(in srgb, var(--dna-accent) 70%, #000);
}
.ess98-btn--solid:hover { filter: brightness(0.96); transform: translateY(-1px); }
.ess98-btn--ghost {
  background: transparent;
  border-color: var(--dna-line);
  color: var(--dna-ink);
}
.ess98-btn--ghost:hover { border-color: var(--dna-accent); color: var(--dna-accent); }
.ess98-btn--line {
  background: transparent;
  border-color: color-mix(in srgb, var(--dna-ink) 35%, transparent);
  color: var(--dna-ink);
}

.ess98-burger {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--dna-line);
  background: var(--dna-surface);
  border-radius: var(--ess98-radius);
  padding: 0;
  cursor: pointer;
}
.ess98-burger span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.28rem auto;
  background: var(--dna-ink);
}
.ess98-drawer {
  display: none;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.4rem 0 1.1rem;
  border-top: var(--ess98-rule);
}
.ess98-drawer.is-open { display: flex; }
.ess98-drawer a {
  text-decoration: none;
  font-weight: 600;
  color: var(--dna-ink);
}

/* Hero stacked + split block stamp */
.ess98-hero-split.hero {
  padding: 2.4rem 0 0;
}
.ess98-hero-split .hero-inner {
  display: grid;
  gap: 1.5rem;
}
.ess98-hero-split .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--dna-accent) 80%, #8a5210);
  margin-bottom: 0.85rem;
}
.ess98-hero-split h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.35rem);
  max-width: 16ch;
  color: var(--dna-ink);
  margin-bottom: 0.7rem;
}
.ess98-hero-split .sub {
  max-width: 40rem;
  font-size: 1.08rem;
  margin-bottom: 1.35rem;
}
.ess98-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}
.ess98-hero-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  max-width: 36rem;
}
.ess98-hero-rail div {
  border: var(--ess98-rule);
  background: var(--dna-surface);
  padding: 0.75rem 0.85rem;
  border-radius: var(--ess98-radius);
}
.ess98-hero-rail strong {
  display: block;
  font-family: var(--dna-font-display);
  font-size: 0.95rem;
  color: var(--dna-ink);
}
.ess98-hero-rail span {
  font-size: 0.78rem;
  color: var(--dna-ink-soft);
}
.ess98-hero-visual {
  margin-top: 0.4rem;
  border-radius: var(--ess98-radius);
  overflow: hidden;
  border: var(--ess98-rule);
  box-shadow: 0 18px 40px -28px rgba(80, 50, 10, 0.45);
}
.ess98-hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.ess98-sec {
  padding: 4.2rem 0;
}
.ess98-sec--surface { background: var(--dna-surface2); }
.ess98-sec--ink {
  background: hsl(44, 22%, 14%);
  color: hsl(44, 18%, 94%);
}
.ess98-sec--ink p,
.ess98-sec--ink .ess98-lede { color: hsl(44, 12%, 78%); }
.ess98-sec--ink h2 { color: #fff; }

.ess98-kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--dna-accent);
  margin-bottom: 0.65rem;
}
.ess98-lede {
  max-width: 40rem;
  font-size: 1.05rem;
}
.ess98-head {
  margin-bottom: 1.8rem;
  max-width: 40rem;
}

/* Services cards / grid */
.ess98-svc-cards .grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--dna-services-gap, 1.4rem);
}
.ess98-svc-cards .service-card,
.ess98-svc-cards .service-item {
  background: var(--dna-surface);
  border: 1.5px solid var(--dna-line);
  border-radius: calc(var(--dna-card-radius, 15px) * 0.35);
  padding: 1.25rem 1.3rem 1.35rem;
  transition: border-color 0.2s ease, transform 0.25s var(--ess98-ease);
}
.ess98-svc-cards .service-item:hover {
  border-color: color-mix(in srgb, var(--dna-accent) 55%, var(--dna-line));
  transform: translateY(-2px);
}
.ess98-svc-cards .ic {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--dna-accent) 16%, var(--dna-surface));
  border-radius: 4px;
  margin-bottom: 0.85rem;
  color: color-mix(in srgb, var(--dna-accent) 70%, #6b3b08);
}
.ess98-svc-cards h3 {
  font-size: 1.12rem;
  margin-bottom: 0.4rem;
  color: var(--dna-ink);
}
.ess98-svc-cards p { margin: 0; font-size: 0.95rem; }

/* Process / casestudies steps */
.ess98-steps .steps {
  display: grid;
  gap: 0;
  border: var(--ess98-rule);
  background: var(--dna-surface);
  border-radius: var(--ess98-radius);
  overflow: hidden;
}
.ess98-steps .step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.2rem 1.3rem;
  border-bottom: var(--ess98-rule);
}
.ess98-steps .step:last-child { border-bottom: 0; }
.ess98-steps .num {
  font-family: var(--dna-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dna-accent);
}
.ess98-steps h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: var(--dna-ink);
}
.ess98-steps p { margin: 0; font-size: 0.94rem; }

/* Trust metric bar mapped to testimonials */
.ess98-metricbar .metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}
.ess98-metricbar .metric {
  border-top: 3px solid var(--dna-accent);
  background: var(--dna-surface);
  padding: 1.15rem 1.1rem 1.25rem;
  border-radius: 0 0 var(--ess98-radius) var(--ess98-radius);
  border-right: var(--ess98-rule);
  border-bottom: var(--ess98-rule);
  border-left: var(--ess98-rule);
}
.ess98-metricbar b {
  display: block;
  font-family: var(--dna-font-display);
  font-size: 1.05rem;
  color: var(--dna-ink);
  margin-bottom: 0.35rem;
}
.ess98-metricbar span {
  font-size: 0.9rem;
  color: var(--dna-ink-soft);
}

/* About stats-led */
.ess98-about-statsled {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}
.ess98-about-statsled .stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.ess98-about-statsled .stat {
  background: var(--dna-surface);
  border: var(--ess98-rule);
  padding: 1rem;
  border-radius: var(--ess98-radius);
}
.ess98-about-statsled .stat b {
  display: block;
  font-family: var(--dna-font-display);
  font-size: 1.15rem;
  color: var(--dna-ink);
}
.ess98-about-statsled .stat span {
  font-size: 0.82rem;
  color: var(--dna-ink-soft);
}
.ess98-about-photo {
  border-radius: var(--ess98-radius);
  overflow: hidden;
  border: var(--ess98-rule);
}
.ess98-about-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* CTA split */
.ess98-cta-split .cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: center;
}
.ess98-cta-split h2 { max-width: 14ch; }
.ess98-cta-panel {
  background: color-mix(in srgb, var(--dna-accent) 14%, var(--dna-surface));
  border: 1px solid color-mix(in srgb, var(--dna-accent) 35%, var(--dna-line));
  padding: 1.35rem 1.4rem;
  border-radius: var(--ess98-radius);
}
.ess98-cta-panel p { margin-bottom: 1rem; }

/* Inner pages */
.ess98-page-hero {
  padding: 2.6rem 0 1.4rem;
  border-bottom: var(--ess98-rule);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--dna-accent) 10%, transparent), transparent 55%),
    var(--dna-surface2);
}
.ess98-crumb {
  font-size: 0.82rem;
  color: var(--dna-ink-soft);
  margin-bottom: 0.85rem;
}
.ess98-crumb a { text-decoration: none; }
.ess98-page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 18ch;
}

.ess98-svc-detail {
  display: grid;
  gap: 1.1rem;
}
.ess98-svc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1.25rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: var(--ess98-rule);
}
.ess98-svc-row:last-child { border-bottom: 0; }
.ess98-svc-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--ess98-radius);
  border: var(--ess98-rule);
}
.ess98-svc-row h2 { font-size: 1.35rem; color: var(--dna-ink); }

.ess98-about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.ess98-prose {
  max-width: 42rem;
}
.ess98-prose h2 { margin-top: 1.8rem; color: var(--dna-ink); }
.ess98-check {
  display: grid;
  gap: 0.55rem;
  margin: 1.2rem 0;
}
.ess98-check li {
  display: grid;
  grid-template-columns: 1.2rem 1fr;
  gap: 0.55rem;
  color: var(--dna-ink-soft);
  font-size: 0.96rem;
}
.ess98-check .dna-ic { color: var(--dna-accent); margin-top: 0.15rem; }

/* Contact stacked-booking-first */
.contact-page[data-contact-root] {
  display: grid;
  gap: 1.5rem;
}
.ess98-info-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}
.contact-block {
  background: var(--dna-surface);
  border: var(--ess98-rule);
  border-radius: var(--ess98-radius);
  padding: 1rem 1.05rem;
}
.contact-block h3 {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dna-ink-soft);
  margin-bottom: 0.35rem;
}
.contact-block p { margin: 0; color: var(--dna-ink); font-size: 0.95rem; }
.contact-block a { text-decoration: none; color: var(--dna-ink); }
.contact-block a:hover { color: var(--dna-accent); }

/* Booking tabs */
.ess98-bk {
  background: var(--dna-surface);
  border: 1.5px solid var(--dna-line);
  border-radius: var(--ess98-radius);
  padding: 1.35rem 1.35rem 1.5rem;
  box-shadow: 0 16px 36px -30px rgba(70, 40, 8, 0.5);
}
.ess98-bk-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}
.ess98-bk-tab {
  border: 1px solid var(--dna-line);
  background: var(--dna-surface2);
  color: var(--dna-ink-soft);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}
.ess98-bk-tab[aria-selected="true"] {
  background: color-mix(in srgb, var(--dna-accent) 18%, var(--dna-surface));
  border-color: color-mix(in srgb, var(--dna-accent) 55%, var(--dna-line));
  color: var(--dna-ink);
}
.ess98-bk-title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
  color: var(--dna-ink);
}
.ess98-bk-hint {
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.ess98-bk-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--dna-ink);
}
.ess98-bk-form input[type="tel"] {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1.5px solid var(--dna-line);
  border-radius: var(--ess98-radius);
  font: inherit;
  background: var(--dna-bg);
  color: var(--dna-ink);
  margin-bottom: 0.55rem;
}
.ess98-bk-form input[aria-invalid="true"] {
  border-color: #b42318;
}
.ess98-bk-error {
  color: #b42318;
  font-size: 0.88rem;
  margin: 0 0 0.65rem;
}
.ess98-bk-note {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--dna-ink-soft);
}
.ess98-bk-success {
  margin: 0;
  font-size: 1.05rem;
  color: var(--dna-ink);
  font-weight: 600;
  font-family: var(--dna-font-display);
}

/* Footer stacked */
.ess98-foot {
  border-top: var(--ess98-rule);
  background: hsl(44, 18%, 12%);
  color: hsl(44, 14%, 88%);
  padding: 2.4rem 0 1.6rem;
  margin-top: 2rem;
}
.ess98-foot a { color: inherit; text-decoration: none; }
.ess98-foot a:hover { color: var(--dna-accent2, #e8b84a); }
.ess98-foot-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid hsl(44, 12%, 24%);
}
.ess98-foot-cta h2 {
  margin: 0;
  font-size: 1.35rem;
  color: #fff;
  max-width: 16ch;
}
.ess98-foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}
.ess98-foot strong {
  display: block;
  color: #fff;
  margin-bottom: 0.35rem;
}
.ess98-foot small {
  display: block;
  margin-top: 0.9rem;
  color: hsl(44, 10%, 62%);
}
.ess98-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.2rem;
  font-weight: 600;
}

[data-ess98-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ess98-ease), transform 0.55s var(--ess98-ease);
}
[data-ess98-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 880px) {
  .ess98-links { display: none; }
  .ess98-burger { display: inline-block; }
  .ess98-svc-cards .grid,
  .ess98-metricbar .metrics,
  .ess98-about-statsled,
  .ess98-about-grid,
  .ess98-cta-split .cta-grid,
  .ess98-svc-row,
  .ess98-foot-grid,
  .ess98-info-stack,
  .ess98-hero-rail {
    grid-template-columns: 1fr;
  }
  .ess98-svc-row:nth-child(even) { direction: ltr; }
  .ess98-nav-end .ess98-btn--ghost { display: none; }
}

@media (max-width: 560px) {
  .ess98-wrap { width: min(100% - 1.5rem, var(--ess98-max)); }
  .ess98-hero-split h1 { max-width: none; }
  .ess98-bk-tabs { flex-direction: column; }
  .ess98-bk-tab { width: 100%; text-align: left; border-radius: var(--ess98-radius); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-ess98-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .ess98-btn,
  .ess98-svc-cards .service-item { transition: none; }
}