/* ==========================================================================
   VK ENGINEERS — SIMPLE VERSION STYLES

   One small stylesheet, no JavaScript anywhere on this version.
   To change colors, edit the values in the :root block below — every
   page uses them. Everything else is plain, readable CSS.
   ========================================================================== */

:root {
  --ink: #141821;        /* main text */
  --soft: #5b6270;       /* secondary text */
  --line: #e3e3df;       /* thin dividers */
  --accent: #0372ba;     /* links, highlights, buttons -- taken from the company logo */
  --accent-dark: #025b96;
  --bg: #ffffff;
  --bg-alt: #f7f7f5;     /* alternating section background */
  --max: 1040px;         /* page content width */
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em 1.2em; padding: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header.site { border-bottom: 1px solid var(--line); }
.site-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 0;
}
.brand { display: inline-block; font-weight: 800; color: var(--ink); font-size: 1.1rem; }
/* Company logo. Change its size by changing the height below. */
.brand img { height: 48px; width: auto; }
.brand-foot img { height: 34px; }
.brand small {
  display: block; font-weight: 500; font-size: 0.72rem; color: var(--soft);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.brand:hover { text-decoration: none; }
nav.main { display: flex; flex-wrap: wrap; gap: 22px; }
nav.main a { color: var(--ink); font-weight: 500; font-size: 0.95rem; }
nav.main a[aria-current="page"] {
  color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 2px;
}

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--bg-alt); }
.kicker {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 14px;
}
.lead { font-size: 1.15rem; color: var(--soft); max-width: 60ch; }
.hero { padding: 88px 0 56px; border-bottom: 1px solid var(--line); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 22px; border: 1px solid var(--ink); border-radius: 4px;
  color: var(--ink); font-weight: 600; font-size: 0.95rem;
}
.btn:hover { text-decoration: none; background: var(--ink); color: #fff; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* Stats row */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 36px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stats strong { display: block; font-size: 1.8rem; font-weight: 700; }
.stats span { font-size: 0.8rem; color: var(--soft); text-transform: uppercase; letter-spacing: 0.06em; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }

/* Generic list item (services, etc.) */
.item { border-top: 1px solid var(--line); padding-top: 18px; }
.item p { color: var(--soft); font-size: 0.95rem; }

/* People */
.person { border-top: 1px solid var(--line); padding-top: 18px; }
.person .role { color: var(--accent); font-weight: 600; font-size: 0.9rem; margin-bottom: 10px; }
.person dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 0.88rem; margin: 0 0 14px; }
.person dt { color: var(--soft); }
.person dd { margin: 0; font-weight: 500; }
.person p { color: var(--soft); font-size: 0.95rem; }

/* Five Agreements */
ol.agreements {
  counter-reset: a; list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px;
}
ol.agreements li { border-top: 2px solid var(--ink); padding-top: 14px; counter-increment: a; }
ol.agreements li::before {
  content: "0" counter(a); display: block; font-weight: 700; color: var(--accent); margin-bottom: 6px;
}
ol.agreements strong { display: block; margin-bottom: 6px; }
ol.agreements p { font-size: 0.9rem; color: var(--soft); margin: 0; }

/* Map */
.map { aspect-ratio: 16 / 7; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-caption { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 16px; }

/* Project lists */
.plist { list-style: none; margin: 0 0 32px; padding: 0; columns: 2; column-gap: 40px; }
.plist li {
  break-inside: avoid; display: flex; justify-content: space-between; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.95rem;
}
.plist li span { color: var(--soft); font-size: 0.85rem; text-align: right; white-space: nowrap; }

/* Forms */
form { display: grid; gap: 16px; max-width: 600px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid #cfd0cb; border-radius: 4px;
  font: inherit; font-size: 0.95rem; background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
.note { font-size: 0.8rem; color: var(--soft); }

/* Contact info */
.info dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; margin: 0 0 24px; }
.info dt { color: var(--soft); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; padding-top: 2px; }
.info dd { margin: 0; font-weight: 500; }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 40px 0; font-size: 0.9rem; color: var(--soft); }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink); margin-bottom: 12px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { color: var(--soft); }
.copy {
  margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 0.8rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* Small screens */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .foot { grid-template-columns: 1fr 1fr; }
  ol.agreements { grid-template-columns: 1fr 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .foot, .row, ol.agreements { grid-template-columns: 1fr; }
  .plist { columns: 1; }
  section { padding: 44px 0; }
  .hero { padding: 56px 0 40px; }
}