/* IT & Language Services Ltd — corporate landing */

:root {
  --color-bg: #f6f5f2;
  --color-surface: #ffffff;
  --color-surface-alt: #eef0f4;
  --color-ink: #0f1729;
  --color-ink-muted: #4a5568;
  --color-ink-soft: #6b7280;
  --color-accent: #1a4d6d;
  --color-accent-hover: #143d57;
  --color-accent-light: #e8f1f6;
  --color-border: #d8dde6;
  --color-highlight: #c9a227;

  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 41, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 41, 0.1);

  --header-h: 72px;
  --max-width: 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-hover);
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-sm);
}

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

ul, ol {
  margin: 0;
  padding: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  z-index: 9999;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-sm);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 2rem, 760px);
}

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

.lead {
  font-size: 1.2rem;
  color: var(--color-ink-muted);
  max-width: 52ch;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
  max-width: 62ch;
  margin: var(--space-sm) auto 0;
}

.prose p {
  color: var(--color-ink-muted);
}

.prose strong {
  color: var(--color-ink);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(246, 245, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max-width));
  height: 100%;
  margin-inline: auto;
}

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

.logo:hover {
  color: var(--color-ink);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-size: 0.9rem;
  font-weight: 600;
  max-width: 14rem;
  line-height: 1.25;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

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

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

.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: var(--radius-sm);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

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

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

.btn-secondary:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn-full {
  width: 100%;
}

/* Hero */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(26, 77, 109, 0.08), transparent),
    var(--color-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-md) 0 var(--space-lg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  list-style: none;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

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

.hero-stats strong {
  font-size: 0.9375rem;
  color: var(--color-ink);
}

.hero-stats span {
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
}

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

.hero-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  margin: 0 0 0.35rem;
}

.hero-card-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0 0 var(--space-md);
}

.hero-card-divider {
  height: 1px;
  background: var(--color-border);
  margin-bottom: var(--space-md);
}

/* Trust bar */
.trust-bar {
  padding: var(--space-md) 0;
  background: var(--color-ink);
  color: #fff;
}

.trust-inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.trust-intro {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  opacity: 0.8;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
}

.trust-list li {
  font-size: 0.9375rem;
  position: relative;
  padding-left: 1rem;
}

.trust-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--color-highlight);
  border-radius: 50%;
}

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  margin-bottom: var(--space-xl);
  max-width: 720px;
}

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

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
  align-items: start;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

.info-panel {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.info-panel h3 {
  margin: 0 0 var(--space-md);
  font-size: 1rem;
}

.info-panel dl {
  margin: 0;
}

.info-panel dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  margin-top: var(--space-sm);
}

.info-panel dt:first-child {
  margin-top: 0;
}

.info-panel dd {
  margin: 0.25rem 0 0;
  font-weight: 500;
  color: var(--color-ink);
}

/* Service cards */
.section-services {
  background: var(--color-surface-alt);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.service-card h3 {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
}

.service-card p {
  font-size: 0.975rem;
  color: var(--color-ink-muted);
  margin: 0;
}

/* Deep section */
.split-feature {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-xl);
  align-items: start;
}

.checklist {
  list-style: none;
  padding: var(--space-lg);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.checklist li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.75rem;
  font-size: 0.975rem;
  font-weight: 500;
  color: var(--color-ink);
  border-bottom: 1px solid rgba(26, 77, 109, 0.12);
}

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

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

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

.why-grid article {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.why-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  opacity: 0.5;
  margin-bottom: var(--space-xs);
}

.why-grid h3 {
  margin: 0 0 var(--space-sm);
}

.why-grid p {
  font-size: 0.975rem;
  color: var(--color-ink-muted);
  margin: 0;
}

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

.timeline {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: var(--space-md);
}

.timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  counter-increment: step;
}

.timeline li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
}

.timeline h3 {
  margin: 0 0 0.35rem;
}

.timeline p {
  font-size: 0.975rem;
  color: var(--color-ink-muted);
  margin: 0;
  grid-column: 2;
}

.timeline h3 {
  grid-column: 2;
}

/* Industries */
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  align-content: start;
}

.industry-tags li {
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
}

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

.case-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin: 0 0 var(--space-sm);
}

.case-card h3 {
  margin: 0 0 var(--space-sm);
}

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

/* Insights */
.section-insights {
  background: var(--color-surface-alt);
}

.insight-list {
  display: grid;
  gap: var(--space-md);
}

.insight-item {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.insight-item h3 {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
}

.insight-item p {
  font-size: 0.975rem;
  color: var(--color-ink-muted);
  margin: 0;
}

/* Commitments */
.commitments-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
}

.commitments-panel .eyebrow {
  color: var(--color-highlight);
}

.commitments-panel h2 {
  color: #fff;
}

.commitments-panel .prose p {
  color: rgba(255, 255, 255, 0.82);
}

.commitment-list {
  list-style: none;
  align-self: center;
}

.commitment-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.5rem;
  font-size: 0.975rem;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.commitment-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-highlight);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: var(--space-xs);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
}

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

.faq-item p {
  padding: 0 var(--space-lg) var(--space-md);
  font-size: 0.975rem;
  color: var(--color-ink-muted);
  margin: 0;
}

/* Contact */
.section-contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-address {
  font-style: normal;
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  line-height: 1.7;
}

.contact-form {
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.form-row {
  margin-bottom: var(--space-md);
}

.form-row label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

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

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26, 77, 109, 0.15);
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-md);
}

/* Footer */
.site-footer {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.5fr 1.3fr;
  gap: var(--space-xl);
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 0.35rem;
}

.footer-tagline {
  margin: 0 0 var(--space-md);
  font-size: 0.85rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
  opacity: 0.6;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 2;
}

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

.footer-legal p {
  margin: 0 0 var(--space-sm);
  font-size: 0.8125rem;
  line-height: 1.6;
  opacity: 0.65;
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-bg);
    padding: var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-left: 1px solid var(--color-border);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .site-nav .nav-cta {
    width: 100%;
    text-align: center;
  }

  body.nav-open {
    overflow: hidden;
  }

  .hero-grid,
  .two-col,
  .split-feature,
  .card-grid,
  .why-grid,
  .case-grid,
  .commitments-panel,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .two-col.reverse {
    direction: ltr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .timeline li::before {
    margin-bottom: 0.25rem;
  }

  .timeline h3,
  .timeline p {
    grid-column: 1;
  }
}

@media (max-width: 600px) {
  :root {
    --space-xl: 3rem;
    --space-2xl: 4rem;
  }

  .logo-text {
    display: none;
  }

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

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