/* IT ASSIST UK LTD — Landing styles */

:root {
  --color-bg: #f4f2ee;
  --color-surface: #ffffff;
  --color-ink: #1a1f2e;
  --color-ink-muted: #4a5568;
  --color-accent: #0d5c63;
  --color-accent-light: #14808a;
  --color-accent-dark: #094248;
  --color-highlight: #c4a35a;
  --color-border: rgba(26, 31, 46, 0.1);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(26, 31, 46, 0.08);
  --shadow-lg: 0 20px 50px rgba(26, 31, 46, 0.12);
  --container: min(1120px, 92vw);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-light);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 242, 238, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: 8px;
  position: relative;
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 3px;
}

.logo strong {
  color: var(--color-accent);
  font-weight: 700;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}

.main-nav a:hover {
  color: var(--color-ink);
}

.btn-nav {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
}

.btn-nav:hover {
  background: var(--color-accent-light);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-full {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(13, 92, 99, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(196, 163, 90, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.12;
  margin: 0 0 1.25rem;
  color: var(--color-ink);
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
  margin: 0 0 2rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-stats strong {
  font-size: 1rem;
  color: var(--color-ink);
}

.hero-stats span {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-card h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  margin: 0 0 1.25rem;
  font-weight: 600;
}

.hero-card dl {
  margin: 0;
}

.hero-card dl > div {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}

.hero-card dl > div:last-child {
  border-bottom: none;
}

.hero-card dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  margin-bottom: 0.25rem;
}

.hero-card dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

.section-label--light {
  color: var(--color-highlight);
}

.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 1.5rem;
}

.section-intro {
  max-width: 65ch;
  color: var(--color-ink-muted);
  margin: 0 0 2.5rem;
  font-size: 1.0625rem;
}

.section-intro--light {
  color: rgba(255, 255, 255, 0.75);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.prose p {
  margin: 0 0 1.25rem;
  color: var(--color-ink-muted);
}

.prose p:last-child {
  margin-bottom: 0;
}

/* Values */
.values {
  background: var(--color-accent-dark);
  color: #fff;
}

.values h2 {
  color: #fff;
  margin-bottom: 2.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.value-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.value-card h3 {
  font-size: 1.125rem;
  margin: 0 0 0.75rem;
  color: var(--color-highlight);
}

.value-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Services */
.services {
  background: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(13, 92, 99, 0.25);
}

.service-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin: 0 0 0.6rem;
}

.service-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

/* Detail blocks */
.detail-block {
  background: var(--color-bg);
}

.detail-block--alt {
  background: var(--color-surface);
}

.detail-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: center;
}

.detail-grid--reverse {
  grid-template-columns: 1fr 280px;
}

.detail-grid--reverse .detail-visual {
  order: 2;
}

.detail-visual {
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.detail-pattern {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  opacity: 0.95;
}

.detail-visual--cloud .detail-pattern {
  background: linear-gradient(160deg, #1a4a6e 0%, var(--color-accent) 100%);
}

.detail-visual--security .detail-pattern {
  background: linear-gradient(160deg, #2d2a3e 0%, var(--color-accent-dark) 100%);
}

.detail-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Approach */
.approach {
  background: var(--color-surface);
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 0;
}

.process-steps li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  counter-increment: step;
}

.process-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.process-steps h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.process-steps p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.9875rem;
}

/* Industries */
.industries {
  background: var(--color-ink);
  color: #fff;
}

.industries h2 {
  color: #fff;
}

.industry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.industry-list li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  align-items: start;
}

.industry-list li:last-child {
  border-bottom: none;
}

.industry-list strong {
  color: var(--color-highlight);
  font-size: 1rem;
}

.industry-list span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9875rem;
}

/* Check list */
.check-list {
  margin: 1rem 0 1.25rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.65rem;
  color: var(--color-ink-muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Insights */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.insight-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.insight-card time {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.insight-card h3 {
  font-size: 1.15rem;
  margin: 0.5rem 0 0.75rem;
}

.insight-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

.insights-note {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  font-style: italic;
  margin: 0;
}

/* Engagement */
.engagement {
  background: var(--color-bg);
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.engagement-grid article {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow);
}

.engagement-grid h3 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.engagement-grid p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.faq-intro {
  color: var(--color-ink-muted);
  margin: 0;
}

.faq-list details {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin: 1rem 0 0;
  color: var(--color-ink-muted);
  font-size: 0.9875rem;
}

/* Contact */
.contact {
  background: var(--color-accent-dark);
  color: #fff;
}

.contact h2 {
  color: #fff;
}

.contact-lead {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 2rem;
  max-width: 48ch;
}

.contact-details {
  font-style: normal;
  font-size: 0.9875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

.contact-details p {
  margin: 0 0 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-ink);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-ink);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  margin: 1rem 0 0;
  text-align: center;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 2rem;
}

.footer-logo {
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.footer-tagline {
  margin: 0;
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  display: block;
  padding: 0.25rem 0;
}

.site-footer nav a:hover {
  color: #fff;
}

.footer-legal p {
  margin: 0 0 0.5rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .split,
  .detail-grid,
  .detail-grid--reverse,
  .faq-layout,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid--reverse .detail-visual {
    order: 0;
  }

  .detail-visual {
    min-height: 200px;
  }

  .industry-list li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0;
  }

  .btn-nav {
    text-align: center;
    margin-top: 0.5rem;
  }

  body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 2.5rem 0 3rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .process-steps li {
    grid-template-columns: 2.5rem 1fr;
    gap: 1rem;
  }
}