/* IT ARCH SOLUTIONS LT — Landing styles */

:root {
  --color-bg: #f6f4f0;
  --color-surface: #ffffff;
  --color-ink: #1a2332;
  --color-ink-muted: #4a5568;
  --color-accent: #0d5c63;
  --color-accent-light: #148a94;
  --color-accent-dark: #094248;
  --color-highlight: #c4a35a;
  --color-border: #e2ddd4;
  --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, 35, 50, 0.06);
  --shadow-lg: 0 12px 48px rgba(26, 35, 50, 0.1);
  --header-h: 72px;
  --max-w: 1180px;
  --transition: 0.2s ease;
}

*,
*::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;
  transition: color var(--transition);
}

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 244, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-ink);
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 10px;
  letter-spacing: -0.02em;
}

.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.logo-text em {
  font-style: normal;
  color: var(--color-accent);
}

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

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

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-accent);
}

.nav-cta {
  color: var(--color-accent) !important;
}

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

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

/* 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, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(196, 163, 90, 0.12), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  color: var(--color-ink);
}

.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;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

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

.btn-light:hover {
  background: var(--color-bg);
  color: var(--color-accent-dark);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-stats div {
  margin: 0;
}

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

.hero-stats dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.9375rem;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 1.25rem;
}

.hero-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-card li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

.hero-card li:last-child {
  border-bottom: none;
}

.hero-card strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

/* Trust strip */
.trust-strip {
  background: var(--color-accent-dark);
  color: #e8f0f1;
  padding: 3rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.trust-strip h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-highlight);
}

.trust-strip p {
  margin: 0;
  font-size: 0.9375rem;
  opacity: 0.9;
  line-height: 1.55;
}

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

.section:nth-child(even) {
  background: var(--color-surface);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-header.centered {
  text-align: center;
  margin-inline: auto;
}

.section-header h2,
.split-section h2,
.approach h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 1rem;
}

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

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.split-section.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

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

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

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.services .service-card {
  background: var(--color-surface);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-highlight);
  margin-bottom: 0.75rem;
}

.service-card h3 {
  font-size: 1.125rem;
  margin: 0 0 0.75rem;
}

.service-card > p {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  margin: 0 0 1rem;
}

.service-card ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.service-card li {
  margin-bottom: 0.35rem;
}

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.why-item {
  padding: 2rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.why-item h3 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
}

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

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline li {
  position: relative;
  padding: 1.5rem 0 1.5rem 3rem;
  border-left: 2px solid var(--color-accent);
}

.timeline li:last-child {
  border-left-color: transparent;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 1.65rem;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
}

.approach .timeline span {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-accent);
}

/* Industries */
.industry-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.industry-list details {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0 1.5rem;
}

.industry-list summary {
  padding: 1.25rem 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.industry-list summary::after {
  content: "+";
  float: right;
  font-weight: 400;
  color: var(--color-accent);
}

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

.industry-list p {
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* Tech */
.tech-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.tech-columns h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  color: var(--color-accent);
}

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

/* Cases */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-grid article {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
}

.cases .case-grid article {
  background: var(--color-surface);
}

.case-grid h3 {
  font-size: 1.0625rem;
  margin: 0 0 1rem;
  line-height: 1.35;
}

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

/* Testimonials */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

blockquote {
  margin: 0;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-highlight);
}

blockquote p {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  line-height: 1.5;
  margin: 0 0 1.25rem;
  color: var(--color-ink);
}

blockquote footer {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  font-style: normal;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-list details {
  border-bottom: 1px solid var(--color-border);
  padding: 0.25rem 0;
}

.faq-list summary {
  font-weight: 600;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
}

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

.faq-list p {
  margin: 0 0 1.25rem;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* Insights */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.insight-grid article {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.insights .insight-grid article {
  background: var(--color-surface);
}

.insight-grid time {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.insight-grid h3 {
  font-size: 1.0625rem;
  margin: 0.75rem 0;
  line-height: 1.35;
}

.insight-grid p {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  margin: 0 0 1rem;
}

.text-link {
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* CTA */
.cta-band {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
}

.cta-inner p {
  max-width: 52ch;
  margin: 0 auto 2rem;
  opacity: 0.92;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-details {
  font-style: normal;
  margin: 2rem 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}

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

.contact-placeholder {
  color: var(--color-ink-muted);
  font-style: italic;
}

.contact-note {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

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

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

.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);
  transition: border-color var(--transition);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-disclaimer {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin: 1rem 0 0;
}

.contact-form .btn {
  width: 100%;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: #a8b4c4;
  padding: 3rem 0;
  font-size: 0.875rem;
}

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

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

.site-footer nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer a {
  color: #a8b4c4;
  text-decoration: none;
}

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

.footer-legal {
  grid-column: 1 / -1;
  margin: 1rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .split-section,
  .split-section.reverse {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid,
  .case-grid,
  .quote-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .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 var(--transition), opacity var(--transition), visibility var(--transition);
  }

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

  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .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);
  }

  .trust-grid,
  .why-grid,
  .tech-columns {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

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