/* =============================================================
   maximgursky.ru - тема поверх Bootstrap 5
   Светлый фон с голубизной, тёмно-синий акцент.
   Намеренно простая: острые углы, границы вместо теней,
   минимум декора.
   ============================================================= */

:root {
  /* Палитра */
  --c-ink:        #0A1A33;   /* основной текст, почти чёрный синий */
  --c-ink-soft:   #55657F;   /* второстепенный текст */
  --c-brand-950:  #071322;   /* самый тёмный — первый экран, подвал */
  --c-brand-900:  #08203F;
  --c-brand-700:  #12376F;
  --c-brand-500:  #1A5CBF;   /* интерактив: ссылки, кнопки */
  --c-brand-300:  #7FA8E4;
  --c-brand-100:  #E1EAF7;
  --c-brand-050:  #EFF4FB;

  --c-bg:         #F4F7FC;   /* фон страницы — белый с голубизной */
  --c-surface:    #FFFFFF;
  --c-border:     #D5DFEE;
  --c-border-strong: #B8CAE3;

  --c-success:    #1C7A4C;

  /* Типографика */
  --font-sans: 'Golos Text', 'Inter', -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', 'Consolas',
               'Liberation Mono', monospace;

  /* Геометрия: скругления заметные, но сдержанные */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;

  --shadow-sm: none;
  --shadow:    none;

  /* Переопределение Bootstrap */
  --bs-primary: #1A5CBF;
  --bs-primary-rgb: 26, 92, 191;
  --bs-body-color: var(--c-ink);
  --bs-body-bg: var(--c-bg);
  --bs-body-font-family: var(--font-sans);
  --bs-border-color: var(--c-border);
  --bs-border-radius: var(--radius);
  --bs-link-color: var(--c-brand-500);
  --bs-link-color-rgb: 26, 92, 191;
  --bs-link-hover-color: var(--c-brand-700);
}

/* ---------- База ---------- */

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .h1, .h2, .h3, .h4 {
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

h1, .h1 { font-size: clamp(1.875rem, 4vw, 2.75rem); line-height: 1.15; }
h2, .h2 { font-size: clamp(1.375rem, 2.6vw, 1.875rem); line-height: 1.2; }
h3, .h3 { font-size: clamp(1.125rem, 1.8vw, 1.375rem); }

.lead { color: var(--c-ink-soft); font-size: 1.0625rem; line-height: 1.6; }
.text-muted-ink { color: var(--c-ink-soft) !important; }

::selection { background: var(--c-brand-500); color: #fff; }

:focus-visible {
  outline: 2px solid var(--c-brand-500);
  outline-offset: 2px;
}

/* ---------- Секции ---------- */

.section { padding: clamp(3rem, 6vw, 4.5rem) 0; }
.section--tight { padding: clamp(2rem, 4vw, 3rem) 0; }
.section--alt { background: var(--c-surface); border-block: 1px solid var(--c-border); }

/* ---------- Шапка ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--c-bg);
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.site-header.is-stuck { border-bottom-color: var(--c-border); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-ink);
  text-decoration: none;
}
.brand:hover { color: var(--c-ink); }
.brand__mark {
  width: 34px; height: 34px;
  flex: 0 0 34px;
  display: grid; place-items: center;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  background: var(--c-brand-950);
  color: #fff;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: -.04em;
}
.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.site-footer .brand__mark { border-color: rgba(255, 255, 255, .2); }

.nav-link-quiet {
  color: var(--c-ink-soft);
  font-size: .9375rem;
  text-decoration: none;
  padding: .375rem .625rem;
  border-radius: var(--radius-sm);
  transition: color .15s;
}
.nav-link-quiet:hover,
.nav-link-quiet.is-active { color: var(--c-brand-500); }

/* ---------- Кнопки ---------- */

.btn {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: .5625rem 1.125rem;
  box-shadow: none !important;
}
.btn-lg { padding: .8125rem 1.5rem; font-size: 1rem; }
/* Для узких колонок: длинная надпись не переносится на две строки */
.btn--tight { padding-inline: .5rem; }

.btn-brand {
  background: var(--c-brand-500);
  border: 1px solid var(--c-brand-500);
  color: #fff;
}
.btn-brand:hover, .btn-brand:focus {
  background: var(--c-brand-700);
  border-color: var(--c-brand-700);
  color: #fff;
}

.btn-brand-outline {
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-ink);
}
.btn-brand-outline:hover {
  border-color: var(--c-brand-500);
  color: var(--c-brand-500);
}

.btn-on-dark {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .28);
  color: #fff;
}
.btn-on-dark:hover { background: rgba(255, 255, 255, .1); color: #fff; }

/* ---------- Первый экран ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-brand-950);
  color: #fff;
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(127, 168, 228, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 168, 228, .06) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255, 255, 255, .7); }

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .3125rem .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, .2);
  font-size: .875rem;
  color: rgba(255, 255, 255, .9);
}
.hero-status__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #42D392;
  box-shadow: 0 0 0 0 rgba(66, 211, 146, .6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 8px rgba(66, 211, 146, 0); }
  100% { box-shadow: 0 0 0 0 rgba(66, 211, 146, 0); }
}

/* Цифры */
.stat__value {
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1;
}
.stat__label {
  font-size: .8125rem;
  color: rgba(255, 255, 255, .55);
  margin-top: .375rem;
}

/* ---------- Карточки ---------- */

.card-flat {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  height: 100%;
  transition: border-color .15s ease;
}
a.card-flat { text-decoration: none; color: inherit; }
.card-flat--hover:hover { border-color: var(--c-brand-500); }

.card-flat--accent { border-color: var(--c-brand-500); }

.project-card__cover {
  aspect-ratio: 16 / 10;
  background: var(--c-brand-050);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.project-card__cover img { width: 100%; height: 100%; object-fit: cover; }

.project-cover {
  display: block;
  width: 100%;
  max-height: clamp(260px, 45vh, 520px);
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.project-card__cover-empty {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--c-brand-300);
}

/* ---------- Теги технологий ---------- */

.tech-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  line-height: 1.5;
  padding: .125rem .4375rem;
  border-radius: var(--radius-sm);
  background: var(--c-brand-050);
  border: 1px solid var(--c-brand-100);
  color: var(--c-brand-700);
  white-space: nowrap;
}
.tech-tag--dark {
  background: transparent;
  border-color: rgba(255, 255, 255, .18);
  color: rgba(255, 255, 255, .75);
}

.badge-status {
  display: inline-flex; align-items: center; gap: .375rem;
  font-size: .75rem;
  white-space: nowrap;
  color: var(--c-ink-soft);
}
.badge-status::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  flex: 0 0 6px;
}
.badge-status--ok    { color: var(--c-success); }
.badge-status--warn  { color: #9A6300; }
.badge-status--info  { color: var(--c-brand-500); }
.badge-status--muted { color: var(--c-ink-soft); }

/* ---------- Фильтры ---------- */

.filter-chip {
  display: inline-block;
  padding: .375rem .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-ink-soft);
  font-size: .875rem;
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.filter-chip:hover { border-color: var(--c-brand-500); color: var(--c-brand-500); }
.filter-chip.is-active {
  background: var(--c-brand-500);
  border-color: var(--c-brand-500);
  color: #fff;
}

/* ---------- Процесс ---------- */

.process-step { position: relative; padding-left: 3rem; }
.process-step__num {
  position: absolute; left: 0; top: 0;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-brand-500);
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 600;
}
.process-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 1rem; top: 2.375rem; bottom: -1.5rem;
  width: 1px;
  background: var(--c-border);
}

/* ---------- Формы ---------- */

.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--c-border-strong);
  padding: .5625rem .75rem;
  font-size: .9375rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-brand-500);
  box-shadow: none;
}
.form-label { font-size: .875rem; margin-bottom: .3125rem; }

.form-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- Аккордеон ---------- */

.accordion-item { border-color: var(--c-border); background: var(--c-surface); }
.accordion-button {
  font-weight: 500;
  color: var(--c-ink);
  background: var(--c-surface);
  padding: 1rem 1.125rem;
}
.accordion-button:not(.collapsed) { color: var(--c-brand-500); background: var(--c-surface); box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: var(--c-border); }
.accordion-body { color: var(--c-ink-soft); line-height: 1.65; padding-top: 0; }

/* ---------- Карусель услуг ---------- */

.services-swiper { padding-bottom: 3rem; }
.services-swiper .swiper-slide { height: auto; }

.services-swiper .swiper-pagination-bullet {
  background: var(--c-border-strong);
  opacity: 1;
  border-radius: var(--radius-sm);
  width: 18px;
  height: 3px;
  transition: background .15s;
}
.services-swiper .swiper-pagination-bullet-active { background: var(--c-brand-500); }

.swiper-nav {
  display: inline-grid;
  place-items: center;
  width: 2.25rem; height: 2.25rem;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  color: var(--c-ink);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.swiper-nav:hover { border-color: var(--c-brand-500); color: var(--c-brand-500); }
.swiper-nav:disabled { opacity: .35; cursor: default; }
.swiper-nav:disabled:hover { border-color: var(--c-border-strong); color: var(--c-ink); }

/* ---------- Подвал ---------- */

.site-footer {
  background: var(--c-brand-950);
  color: rgba(255, 255, 255, .6);
  padding: 3rem 0 1.5rem;
  font-size: .9375rem;
}
.site-footer a { color: rgba(255, 255, 255, .82); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer h5 { color: #fff; font-size: .8125rem; text-transform: uppercase;
                  letter-spacing: .05em; margin-bottom: .875rem; }

/* ---------- Появление при прокрутке ---------- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s cubic-bezier(.22,.61,.36,1),
              transform .5s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-status__dot { animation: none; }
}

/* ---------- Текстовые страницы ---------- */

.prose { max-width: 40rem; line-height: 1.7; color: #1b2a44; }
.prose h2 { margin: 2rem 0 .75rem; }
.prose h3 { margin: 1.5rem 0 .625rem; }
.prose p, .prose ul, .prose ol { margin-bottom: 1rem; }
.prose ul, .prose ol { padding-left: 1.125rem; }
.prose li { margin-bottom: .3125rem; }