:root {
  --canvas: #fff;
  --ink: #111;
  --blue: #2f80ed;
  --indigo: #546bed;
  --mist: #f5f8fa;
  --card-ink: #14222c;
  --line: #f2f5f9;
  --footer: #eef1f4;
  --muted: #5c6770;
  --white: #fff;
  --container: 1190px;
  --main: 800px;
  --rail: 300px;
  --gap: 30px;
  --radius-btn: 6px;
  --radius-consult: 2px;
  --radius-card: 16px;
  --font: Montserrat, Arial, "Helvetica Neue", Helvetica, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--canvas);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
h1, h2, h3, p { margin: 0 0 0.6em; }
h1 { font-size: 39px; line-height: 1.2; font-weight: 700; }
h2 { font-size: 31px; line-height: 1.2; font-weight: 700; }
h3 { font-size: 20px; line-height: 1.25; font-weight: 700; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--blue);
  color: var(--white);
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 8px; }

.wrap { width: min(var(--container), calc(100% - 32px)); margin-inline: auto; }
.split { display: grid; grid-template-columns: minmax(0, var(--main)) var(--rail); gap: var(--gap); align-items: start; }
.stack { display: grid; gap: 16px; }

.btn, .btn-consult {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  color: var(--white);
}
.btn {
  background: var(--blue);
  border-radius: var(--radius-btn);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
}
.btn-consult {
  background: var(--indigo);
  border-radius: var(--radius-consult);
  padding: 12px 19px;
  font-size: 14px;
  font-weight: 700;
}
.btn:focus-visible, .btn-consult:focus-visible, .menu-btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.header { background: var(--white); box-shadow: inset 0 -1px 0 var(--line); }
.header__top, .header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 58px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: 0 0 auto; }
.logo img { width: 48px; height: 48px; object-fit: contain; }
.logo__name { font-weight: 700; font-size: 20px; letter-spacing: 0.01em; }
.header__meta { display: flex; flex-wrap: wrap; gap: 18px 22px; justify-content: flex-end; margin-left: auto; font-size: 12px; font-weight: 600; }
.header__meta a { text-decoration: none; }
.header__meta a:nth-child(-n+2) { text-transform: uppercase; }
.header__meta small { display: block; font-weight: 500; text-transform: none; color: var(--muted); letter-spacing: 0; }
.nav { display: flex; align-items: center; gap: 8px 18px; flex-wrap: wrap; }
.nav > a, .nav summary {
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  list-style: none;
  cursor: pointer;
}
.nav summary::-webkit-details-marker { display: none; }
.nav details { position: relative; }
.nav details ul {
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 5;
  min-width: 260px;
  margin: 0;
  padding: 10px 0;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(17, 17, 17, 0.08);
  list-style: none;
  transition: opacity 160ms ease, visibility 160ms;
}
.nav details[open] ul {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.nav details a { display: block; padding: 8px 16px; text-decoration: none; font-weight: 600; font-size: 14px; }
.nav details a:hover { background: var(--mist); }
.menu-btn { display: none; background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; font-weight: 700; }

.slider { position: relative; margin-top: 16px; }
.slider__frame { position: relative; height: 400px; overflow: hidden; background: #1b1f24; }
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  text-decoration: none;
  color: var(--white);
  transition: opacity 300ms ease;
}
.slide.is-active { opacity: 1; z-index: 1; }
.slide img { width: 100%; height: 400px; object-fit: cover; }
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .72), rgba(0, 0, 0, .3) 60%, transparent), linear-gradient(0deg, rgba(0, 0, 0, .45), transparent 65%);
  pointer-events: none;
}
.slide__copy {
  position: absolute;
  z-index: 1;
  left: 32px;
  bottom: 28px;
  max-width: 520px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, .9);
}
.slide__copy h2 { font-size: 28px; }
.slide__copy p { font-size: 15px; }
.slider__arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
}
.slider__arrow--prev { left: 12px; }
.slider__arrow--next { right: 12px; }
.slider__dots { display: flex; justify-content: center; gap: 8px; margin: 10px 0; }
.slider__dots button { width: 8px; height: 8px; border-radius: 50%; border: 0; background: #c5ced6; padding: 0; }
.slider__dots button[aria-current="true"] { background: var(--blue); }

.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 8px 0 28px; }
.thumbs button {
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
}
.lead { overflow: hidden; }
.thumbs img { height: 110px; width: 100%; object-fit: cover; }
.thumbs span { display: block; margin-top: 6px; font-size: 13px; font-weight: 700; }

.journal { margin: 28px 0; }
.journal__label { font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.lead { display: grid; gap: 10px; text-decoration: none; margin-bottom: 16px; }
.lead img { height: 280px; width: 100%; object-fit: cover; }
.lead h2 { font-size: 24px; }
.rows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.rows a { display: grid; grid-template-columns: 112px minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 8px 14px; min-height: 140px; padding: 16px; border: 1px solid #dbe3ea; background: var(--mist); text-decoration: none; transition: background 160ms ease, border-color 160ms ease; }
.rows a:hover { background: #eaf0f6; border-color: #b8c7d6; }
.rows img { grid-row: 1 / 3; width: 112px; height: 96px; object-fit: cover; }
.rows strong { display: block; font-size: 16px; }
.rows span { grid-column: 2; color: var(--muted); font-size: 14px; }

.consult {
  background: var(--mist);
  padding: 36px 28px;
  margin: 8px 0 20px;
}
.consult p { max-width: 62ch; }

.home-title { margin: 12px 0 28px; }

.tasks h2 { margin-bottom: 8px; }
.task-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 20px 0 40px; }
.task {
  display: block;
  background: var(--mist);
  color: var(--card-ink);
  border-radius: var(--radius-card);
  padding: 26px;
  min-height: 180px;
  text-decoration: none;
  transition: background 160ms ease;
}
.task:hover { background: #e8eef2; }
.thumbs img, .lead img, .examples img { transition: transform 200ms ease; }
.thumbs button:hover img, .lead:hover img { transform: scale(1.03); }
.task small { display: block; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 12px; margin-bottom: 8px; }
.task strong { display: block; font-size: 18px; margin-bottom: 16px; }
.task em { font-style: normal; color: var(--blue); font-weight: 700; font-size: 14px; }

.rail { position: sticky; top: 16px; display: grid; gap: 18px; }
.rail h2 { font-size: 18px; }
.rail input[type="search"] { width: 100%; padding: 10px 12px; border: 1px solid #d5dde3; border-radius: 4px; }
.rail ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rail li a { text-decoration: none; font-weight: 600; font-size: 14px; }
.rail__box { background: var(--mist); padding: 16px; }
.rail figure { margin: 0; }
.rail img { width: 100%; height: 120px; object-fit: cover; }
.rail figcaption { font-size: 13px; margin-top: 4px; }

.footer { background: var(--footer); padding: 48px 0 28px; margin-top: 20px; }
.footer__grid { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 22px; }
.footer h2 { font-size: 16px; }
.footer a { display: block; text-decoration: none; margin: 6px 0; font-size: 14px; }
.footer__legal { margin-top: 28px; color: var(--muted); font-size: 13px; }

.page { padding: 28px 0 48px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.crumb a { color: var(--muted); }
.prose { max-width: 68ch; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 12px 0 20px; }
.tiles a, .tiles article { background: var(--mist); padding: 16px; text-decoration: none; border-radius: 8px; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.gallery figcaption { font-size: 13px; margin-top: 4px; }
.faq details { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.form { display: grid; gap: 10px; max-width: 420px; }
.form input, .form textarea { padding: 10px 12px; border: 1px solid #d5dde3; border-radius: 4px; }
.map { background: var(--mist); min-height: 220px; display: grid; place-items: center; }
.map img { width: 100%; height: 240px; object-fit: cover; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 8px; font-size: 14px; }
.landing { max-width: 860px; }
.examples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.examples img { height: 160px; width: 100%; object-fit: cover; }
blockquote { margin: 0 0 16px; padding: 12px 16px; background: var(--mist); }

dialog { border: 0; padding: 24px; border-radius: 8px; max-width: 420px; }
dialog::backdrop { background: rgba(17, 17, 17, 0.4); }

@media (max-width: 1099px) {
  .split { grid-template-columns: 1fr; }
  .rail { position: static; }
  .task-grid, .footer__grid { grid-template-columns: 1fr 1fr; }
  .thumbs { grid-auto-flow: column; grid-auto-columns: 70%; grid-template-columns: none; overflow-x: auto; }
  .menu-btn { display: inline-flex; }
  .header__bar .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 12px 16px 20px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
    z-index: 6;
  }
  .header__bar { position: relative; }
  .header__bar .nav.is-open { display: flex; flex-direction: column; align-items: flex-start; }
  .nav details ul { position: static; box-shadow: none; transform: none; }
  .nav details:not([open]) ul { display: none; }
}

@media (max-width: 699px) {
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .header__meta { display: none; }
  .header__meta.is-open { display: flex; }
  .slider__frame, .slide img { height: 280px; }
  .slide__copy { left: 16px; right: 16px; max-width: none; }
  .slider__arrow { top: 32px; }
  .task-grid, .tiles, .gallery, .examples, .footer__grid { grid-template-columns: 1fr; }
  .rows { grid-template-columns: 1fr; }
  .rows a { grid-template-columns: 88px minmax(0, 1fr); min-height: 116px; }
  .rows img { width: 88px; height: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slide, .nav details ul, .task, .thumbs img, .lead img, .examples img { transition: none; }
}