/* ==========================================================================
   Kratvya — corporate site stylesheet
   Custom, dependency-free CSS. No frameworks, no build step.
   ========================================================================== */

/* 1. Design tokens ------------------------------------------------------- */
:root {
  --color-primary: #0b1f3a;
  --color-primary-light: #123a5e;
  --color-primary-dark: #071426;
  --color-accent: #26c6da;
  --color-accent-strong: #1596aa;
  --color-text: #213244;
  --color-muted: #5c6e82;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-border: #e3e9ef;
  --color-white: #ffffff;
  --color-shadow: rgba(11, 31, 58, 0.1);
  --color-success: #157f62;
  --color-success-bg: #e6f4ef;
  --color-warning: #8a6200;
  --color-warning-bg: #fdf3dc;
  --color-error: #b3261e;
  --color-error-bg: #fdecea;

  --container: 1180px;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(11, 31, 58, 0.08);
  --shadow-md: 0 8px 24px var(--color-shadow);
  --shadow-lg: 0 18px 44px rgba(11, 31, 58, 0.16);

  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}

/* 2. Reset & base -------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

img,
svg { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
a { color: var(--color-accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.9em; }

/* 3. Layout utilities ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 88px; }
.section--alt { background: var(--color-bg-alt); }

.section-head { max-width: 780px; margin-bottom: 48px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2,
.about-copy h2,
.prose h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin-bottom: 0.4em;
}
.section-head p:not(.eyebrow) { color: var(--color-muted); font-size: 1.06rem; }
.section-foot-cta { margin-top: 48px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.section-foot-cta p { margin: 0; color: var(--color-muted); max-width: 60ch; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin: 0 0 0.8em;
}

.content-column { max-width: 860px; }

.prose h3 { font-size: 1.2rem; margin-top: 1.2em; }
.prose li { margin-bottom: 0.4em; }
.prose ul li::marker { color: var(--color-accent-strong); }

.check-list { list-style: none; padding-left: 0; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 0.6em;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center / contain no-repeat;
}

/* Icons */
.icon { width: 24px; height: 24px; }
.icon-sm { width: 18px; height: 18px; }

/* Grids */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-2-1 { grid-template-columns: 2fr 1fr; column-gap: 56px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-accent-strong); color: var(--color-white); }

.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }

.btn-outline-light { background: transparent; border-color: rgba(255, 255, 255, 0.75); color: var(--color-white); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: var(--color-white); }

.btn-lg { padding: 15px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }

/* Skip link (accessibility) */
.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 1000;
  padding: 10px 18px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 6px;
}
.skip-link:focus { left: 8px; }

/* Scroll reveal — JS adds .is-revealed when elements enter the viewport */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* 4. Header / navigation -------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 31, 58, 0.97);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--color-white);
}
.brand-mark .icon { width: 22px; height: 22px; color: var(--color-accent); }
.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-white);
}
.brand-accent { color: var(--color-accent); }

.site-nav { display: flex; align-items: center; gap: 28px; }
.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}
.nav-list a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 160ms ease, background-color 160ms ease;
}
.nav-list a:hover { color: var(--color-white); background: rgba(255, 255, 255, 0.08); text-decoration: none; }
.nav-list li.is-active a { color: var(--color-accent); }
.nav-cta { flex-shrink: 0; }

/* Mobile nav toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-white);
  transition: transform 180ms ease, opacity 180ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 5. Footer ---------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 28px;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.brand--footer .brand-mark { background: transparent; border-color: rgba(255, 255, 255, 0.18); }
.footer-brand p { margin: 16px 0; color: rgba(255, 255, 255, 0.65); }
.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-weight: 600;
}
.footer-heading {
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.72); }
.footer-links a:hover { color: var(--color-accent); text-decoration: none; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
}
.footer-bottom p { margin: 0; color: rgba(255, 255, 255, 0.55); font-size: 0.875rem; }
.footer-legal {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 20px;
}
.footer-legal a { color: rgba(255, 255, 255, 0.72); font-size: 0.875rem; }
.footer-legal a:hover { color: var(--color-accent); }
/* 6. Home hero ------------------------------------------------------------- */
.hero {
  position: relative;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(38, 198, 218, 0.22), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(31, 95, 139, 0.45), transparent 60%),
    linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding-block: 120px;
}
.hero-inner { max-width: 820px; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 18px;
}
.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.12;
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* 7. Page hero (inner pages) ----------------------------------------------- */
.page-hero {
  background:
    radial-gradient(700px 360px at 90% -20%, rgba(38, 198, 218, 0.18), transparent 60%),
    linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding-block: 84px;
}
.page-hero--compact { padding-block: 60px; }
.page-hero--error { min-height: 60vh; display: flex; align-items: center; }
.page-hero .container { max-width: 900px; }
.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 18px;
}
.page-hero p:not(.hero-eyebrow) {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.15rem;
  max-width: 720px;
}
.request-id { color: rgba(255, 255, 255, 0.6); font-size: 0.875rem; margin-top: 28px; }
.request-id code { color: var(--color-accent); }

/* 8. Tile cards ------------------------------------------------------------- */
.tile-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.tile-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c7d3de; }
.tile-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(38, 198, 218, 0.14);
  color: var(--color-accent-strong);
  margin-bottom: 14px;
}
.tile-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.tile-card p { color: var(--color-muted); font-size: 0.97rem; flex-grow: 1; }
.card-link {
  display: inline-block;
  margin-top: 10px;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--color-accent-strong);
}
.card-link:hover { text-decoration: underline; }
.section--alt .tile-card { background: var(--color-white); }

/* 9. About split (home) ------------------------------------------------------ */
.about-split {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
}
.about-panel-title {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.stack-list { list-style: none; margin: 0; padding: 0; }
.stack-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
}
.stack-list li:last-child { border-bottom: 0; }
.stack-list .icon { color: var(--color-accent-strong); }
.about-panel-note {
  margin: 18px 0 0;
  font-style: italic;
  color: var(--color-muted);
}

/* 10. Why grid --------------------------------------------------------------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.why-item {
  display: flex;
  gap: 18px;
  padding: 26px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.section:not(.section--alt) .why-item { background: var(--color-bg); }
.why-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(38, 198, 218, 0.14);
  color: var(--color-accent-strong);
}
.why-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.why-item p { margin: 0; color: var(--color-muted); font-size: 0.95rem; }
/* 11. Process steps ----------------------------------------------------------- */
.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: process;
}
.process-step {
  position: relative;
  padding: 28px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.process-num {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 6px; }
.process-step p { margin: 0; color: var(--color-muted); font-size: 0.95rem; }

/* 12. Industries --------------------------------------------------------------- */
.industries-grid { row-gap: 0; column-gap: 0; }
.industry-tile {
  padding: 26px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.industry-tile:nth-child(4n) { border-right: 0; }
.industry-tile:nth-last-child(-n + 4) { border-bottom: 0; }
.industry-tile .icon {
  width: 34px;
  height: 34px;
  margin: 0 auto 12px;
  color: var(--color-accent-strong);
}
.industry-tile h3 { font-size: 1.02rem; margin-bottom: 6px; }
.industry-tile p { margin: 0; color: var(--color-muted); font-size: 0.92rem; }

.industries-single { grid-template-columns: repeat(2, 1fr); }
.industry-detail {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.industry-detail-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(38, 198, 218, 0.14);
  color: var(--color-accent-strong);
}
.industry-detail h2 { font-size: 1.15rem; margin-bottom: 4px; }
.industry-detail p { margin: 0; color: var(--color-muted); font-size: 0.96rem; }

/* 13. Service index + details --------------------------------------------------- */
.service-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-index-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.96rem;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.service-index-item:hover { text-decoration: none; border-color: var(--color-accent); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.service-index-item .icon { color: var(--color-accent-strong); }

.service-detail { max-width: 860px; }
.service-detail-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}
.service-detail-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 0; }

/* 14. Solution cards -------------------------------------------------------------- */
.solution-card {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 28px;
  padding: 34px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.section--alt .solution-card { background: var(--color-white); }
.solution-card-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(38, 198, 218, 0.14);
  color: var(--color-accent-strong);
}
.solution-card-icon .icon { width: 30px; height: 30px; }
.solution-card-body h2 { font-size: 1.4rem; margin-bottom: 6px; }
.solution-card-body > p { color: var(--color-muted); }
/* 15. Contact page --------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.contact-info {
  background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary-dark));
  border-radius: var(--radius-lg);
  padding: 32px;
  color: rgba(255, 255, 255, 0.82);
}
.contact-info h2 { color: var(--color-white); font-size: 1.35rem; }
.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.contact-info-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(38, 198, 218, 0.16);
  color: var(--color-accent);
}
.contact-info-item h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.contact-info-item p { margin: 0; font-size: 0.94rem; }
.contact-info-item a { color: var(--color-accent); font-weight: 600; }

.contact-form-wrap { padding-top: 4px; }
.contact-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid #b9c6d2;
  border-radius: var(--radius);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent-strong);
  box-shadow: 0 0 0 3px rgba(38, 198, 218, 0.22);
}
textarea.form-control { resize: vertical; min-height: 140px; }
.field-validation { display: block; margin-top: 4px; font-size: 0.875rem; color: var(--color-error); }
.validation-summary { border: 1px solid #ecc8c6; background: var(--color-error-bg); color: var(--color-error); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px; font-size: 0.95rem; }
.validation-summary ul { margin: 0; padding-left: 1.2em; }
.validation-summary:empty { display: none; }
.form-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.form-note { margin: 0; color: var(--color-muted); font-size: 0.875rem; }

/* Honeypot — invisible to humans, still readable for bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Alerts (PRG status feedback) */
.alert {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 0.98rem;
}
.alert--success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #bfe4d6; }
.alert--warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #ecdcb2; }
.alert--error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid #ecc8c6; }

/* 16. Careers ------------------------------------------------------------------ */
.jobs-list { display: grid; gap: 16px; }
.job-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.section:not(.section--alt) .job-row { background: var(--color-bg-alt); }
.job-row h3 { font-size: 1.1rem; margin-bottom: 2px; }
.job-row p { margin: 0; color: var(--color-muted); font-size: 0.94rem; }
.jobs-note { color: var(--color-muted); }

/* 17. Call-to-action band --------------------------------------------------------- */
.cta-section {
  background:
    radial-gradient(600px 320px at 15% 0%, rgba(38, 198, 218, 0.2), transparent 60%),
    linear-gradient(160deg, var(--color-primary-light), var(--color-primary-dark));
  color: var(--color-white);
  padding-block: 72px;
  text-align: center;
}
.cta-inner { max-width: 760px; }
.cta-section h2 { color: var(--color-white); font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 10px; }
.cta-section p { color: rgba(255, 255, 255, 0.85); margin-bottom: 26px; }
.cta-link { color: var(--color-accent); font-weight: 700; }

/* 18. Responsive ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .service-index { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .about-split { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }

  /* Mobile navigation */
  .nav-list { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .site-nav.is-open {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    background: var(--color-primary-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
  }
  .site-nav.is-open .nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }
  .site-nav.is-open .nav-list a {
    padding: 12px 14px;
    font-size: 1rem;
  }
  .site-nav.is-open .nav-cta { display: inline-flex; margin-top: 12px; }
  .site-header { position: sticky; }
}

@media (max-width: 640px) {
  .section { padding-block: 64px; }
  .hero { padding-block: 84px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2-1 { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .service-index { grid-template-columns: 1fr; }
  .solution-card { grid-template-columns: 1fr; }
  .industries-single { grid-template-columns: 1fr; }
  .contact-form .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .industry-tile { border-right: 0; }
  .industry-tile:nth-last-child(-n + 4) { border-bottom: 1px solid var(--color-border); }
  .industry-tile:last-child { border-bottom: 0; }
  .job-row { flex-direction: column; align-items: flex-start; }
}