:root {
  --bg: #f7f3ec;
  --bg-alt: #efe9dd;
  --surface: #fffdf9;
  --surface-2: #ece5d6;
  --border: #e2d9c8;
  --text: #171712;
  --text-dim: #5a5548;
  --text-faint: #8c8676;
  --blue: #2f5fff;
  --violet: #7b3ff2;
  --green: #1a8449;
  --amber: #b4650a;
  --dark-gray: #48453b;
  --gradient: linear-gradient(120deg, var(--blue), var(--violet));
  --warn: #b4650a;
  --warn-bg: #fdf3e7;
  --radius: 8px;
  --radius-lg: 12px;
  --container: 1140px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Шапка / логотип ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 243, 236, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
  color: var(--text);
}
.logo-mark { height: 64px; width: auto; display: block; }
.footer-logo-mark { height: 100px; width: auto; display: block; }
.main-nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.15s;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a.active { color: var(--blue); }
.nav-cta { margin-left: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.88; }
.btn-primary { background: var(--gradient); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); opacity: 1; }
.btn-sm { padding: 9px 16px; font-size: 0.86rem; }

/* ---------- Хиро-блок ---------- */
.hero {
  padding: 88px 0 64px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet);
  background: #f1ecfe;
  border: 1px solid #e2d6fc;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 22ch;
}
.hero p.lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 56ch;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Секции ---------- */
section { padding: 76px 0; }
section.tight { padding: 52px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-head p { color: var(--text-dim); margin: 0; }

/* Оттенки секций — разделяют горизонтальные блоки осмысленно, а не для декора:
   нейтральный = обычный/юридический контент, синий = продукт и технологии,
   фиолетовый = история/путь, зелёный = готовая работа, янтарный = в работе/идеи.
   Оттенки бледные, чтобы контраст текста и рамки карточек оставались чёткими. */
.alt-bg { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-blue { background: #eaf0fe; border-top: 1px solid #d7e2fb; border-bottom: 1px solid #d7e2fb; }
.sec-violet { background: #f1ecfb; border-top: 1px solid #ded2f5; border-bottom: 1px solid #ded2f5; }
.sec-green { background: #e9f4ec; border-top: 1px solid #cfe6d5; border-bottom: 1px solid #cfe6d5; }
.sec-amber { background: #faf0de; border-top: 1px solid #edd9b3; border-bottom: 1px solid #edd9b3; }

/* ---------- Сетки / карточки ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.card h3 { margin: 16px 0 8px; font-size: 1.06rem; font-weight: 700; letter-spacing: -0.01em; }
.card p { color: var(--text-dim); margin: 0; font-size: 0.94rem; }
.icon-badge {
  width: 42px; height: 42px;
  border-radius: 9px;
  background: var(--gradient);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.icon-badge svg { width: 21px; height: 21px; stroke: #fff; }

/* ---------- Наши работы: tab bar ---------- */
.tabs-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.tab-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.tab-btn:hover { border-color: var(--blue); color: var(--text); }
.tab-btn.active { background: var(--gradient); color: #fff; border-color: transparent; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel-box { border-radius: var(--radius-lg); padding: 32px; }
.tab-panel-box.tint-blue { background: #eaf0fe; border: 1px solid #d7e2fb; }
.tab-panel-box.tint-violet { background: #f1ecfb; border: 1px solid #ded2f5; }
.tab-panel-box.tint-green { background: #e9f4ec; border: 1px solid #cfe6d5; }
.tab-group-label { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); margin: 0 0 16px; }
.tab-group-label:not(:first-child) { margin-top: 30px; }

/* ---------- Кейсы ---------- */
.case-list { display: flex; flex-direction: column; gap: 22px; }
.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
}
.case-with-media { display: flex; gap: 30px; }
.case-media { flex-shrink: 0; width: 190px; display: flex; align-items: center; justify-content: center; }
.case-media--lg { width: 260px; }
.case-media img {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 6px 18px rgba(20, 20, 10, 0.08);
  cursor: zoom-in;
  transition: transform 0.15s;
}
.case-media img:hover { transform: scale(1.02); }
.case-content { flex: 1; min-width: 0; }

/* ---------- Лайтбокс (клик по любому скриншоту кейса/сайта увеличивает) ---------- */
.case-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 14, 9, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}
.case-lightbox[hidden] { display: none; }
.case-lightbox__stage img {
  display: block;
  max-width: min(92vw, 900px);
  max-height: 86vh;
  border-radius: 12px;
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.6);
}
.case-lightbox__close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.case-lightbox__close:hover { background: rgba(255, 255, 255, 0.22); }
.case-top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.case-tag {
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 6px;
  background: #eef1fb;
  color: var(--blue);
  border: 1px solid #dbe2f7;
  white-space: nowrap;
}
.case-card h3 { margin: 0; font-size: 1.22rem; font-weight: 700; letter-spacing: -0.01em; }
.case-tech { color: var(--text-faint); font-size: 0.86rem; margin: 0 0 20px; }
.case-grid { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 26px; }
.case-block h4 {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin: 0 0 8px;
}
.case-block p { margin: 0; color: var(--text-dim); font-size: 0.94rem; }
.case-block ul { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 0.94rem; }
.case-block li { margin-bottom: 6px; }
.case-block li:last-child { margin-bottom: 0; }
.case-group-head { max-width: 720px; margin: 0 0 28px; }
.case-group-head h2 { font-size: 1.3rem; letter-spacing: -0.01em; margin: 0 0 8px; }
.case-group-head p { color: var(--text-dim); margin: 0; font-size: 0.94rem; }

/* ---------- Карточки портфолио ---------- */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.project-thumb {
  height: 150px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.project-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
  cursor: zoom-in;
  display: block;
}
.monogram {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  display: flex; align-items: center; justify-content: center;
}
.project-body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.project-body h3 { margin: 0; font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.project-body p { margin: 0; color: var(--text-dim); font-size: 0.93rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
  letter-spacing: 0.01em;
}
.badge-live { background: #e9f6ee; color: #16803d; border: 1px solid #cdead9; }
.badge-progress { background: var(--warn-bg); color: var(--warn); border: 1px solid #f3ddba; }
.project-link { margin-top: auto; font-size: 0.9rem; font-weight: 700; color: var(--blue); }

/* ---------- Таймлайн ---------- */
.timeline { position: relative; padding-left: 28px; border-left: 2px solid var(--border); }
.timeline-item { position: relative; padding-bottom: 38px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gradient);
}
.timeline-date {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--violet);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.timeline-item h3 { margin: 0 0 8px; font-size: 1.08rem; letter-spacing: -0.01em; }
.timeline-item p { margin: 0; color: var(--text-dim); }

.contact-row { display: flex; align-items: flex-start; gap: 16px; margin-top: 18px; }
.contact-row__label { font-weight: 600; margin-bottom: 4px; }

/* ---------- Блок-врезка / реквизиты ---------- */
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.callout h3 { margin-top: 0; letter-spacing: -0.01em; }
dl.req { display: grid; grid-template-columns: max-content 1fr; gap: 9px 22px; margin: 0; }
dl.req dt { color: var(--text-faint); font-size: 0.88rem; }
dl.req dd { margin: 0; font-size: 0.94rem; }
.pending { color: var(--warn); font-style: italic; }

/* ---------- Блок призыва к действию ---------- */
.cta-band {
  border-radius: var(--radius-lg);
  padding: 52px 44px;
  background: var(--dark-gray);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 8px; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.01em; }
.cta-band p { margin: 0; color: #d3cfc1; }
.cta-band .btn-ghost { border-color: #6b6858; color: #fff; }
.cta-band .btn-ghost:hover { border-color: var(--blue); color: #fff; }

/* ---------- Футер ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding-top: 52px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-tagline { color: var(--text-dim); font-size: 0.9rem; max-width: 32ch; margin-top: 12px; }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin: 0 0 14px; }
.footer-col p, .footer-col a { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 8px; display: block; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  font-size: 0.8rem;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Шапка страницы (внутренние страницы) ---------- */
.page-hero {
  padding: 60px 0 44px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.page-hero h1 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 14px; }
.page-hero p { color: var(--text-dim); max-width: 60ch; margin: 0; font-size: 1.02rem; }
.breadcrumb { color: var(--text-faint); font-size: 0.84rem; margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--blue); }

/* ---------- Адаптивность ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; gap: 18px; }
  .case-with-media { flex-direction: column; }
  .case-media { width: 140px; margin: 0 auto; }
  .tabs-bar { gap: 8px; }
  .tab-btn { padding: 10px 16px; font-size: 0.88rem; }
  .tab-panel-box { padding: 20px; }
}
@media (max-width: 720px) {
  .header-inner { height: 76px; }
  .logo-mark { height: 50px; }
  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    height: calc(100vh - 76px);
    overflow-y: auto;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 44px 24px;
    gap: 26px;
    z-index: 45;
    transform: translateY(-18px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.25s ease, visibility 0.3s;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .main-nav a { font-size: 1.25rem; font-weight: 600; }
  .nav-toggle { display: block; position: relative; z-index: 46; }
  .nav-cta { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  dl.req { grid-template-columns: 1fr; }
}