/* ==========================================================================
   TCE — таблица стилей
   Направление: «чертёж» — синяя тушь, бумага, разметочный оранжевый.
   ========================================================================== */

/* --- Токены ------------------------------------------------------------- */
:root {
  --ink:        #011640;
  --ink-soft:   #263659;
  --steel:      #616A7A;
  --line:       #E8E0DC;
  --paper:      #FFFFFF;
  --paper-alt:  #FFF7F1;
  --signal:     #FFD6D6;
  --signal-dk:  #F0B8B8;

  --font-display: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'Montserrat', 'Segoe UI', system-ui, sans-serif;

  --shell:  1240px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --sp-sec: clamp(3.5rem, 8vw, 7rem);
  --radius: 0;

  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* --- Сброс -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.015em;
  margin: 0 0 .6em;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }

ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }

button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: .75rem 1.25rem;
}
.skip-link:focus { left: 0; }

/* --- Раскладка ---------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--sp-sec); }
.section--tight { padding-block: clamp(1.5rem, 4vw, 3rem); }
.section--muted { background: var(--paper-alt); }
.section--dark { background: var(--ink); color: #fff; }
.section--dark .eyebrow { color: rgba(255,255,255,.55); }

.split {
  display: grid;
  gap: clamp(1.75rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
  .split__aside { position: sticky; top: 6.5rem; }
}

/* --- Типографика -------------------------------------------------------- */
.h2 { font-size: clamp(1.65rem, 1.1rem + 2.2vw, 2.9rem); }
.h3 { font-size: clamp(1.2rem, 1rem + .9vw, 1.6rem); margin-top: 2rem; }

.lead {
  font-size: clamp(1.05rem, 1rem + .45vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 .9rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--signal);
  flex: none;
}
.eyebrow--light { color: rgba(255,255,255,.62); }

.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 5vw, 3.25rem); }
.section-head--light { color: #fff; }
.section-head--row {
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: end;
  justify-content: space-between;
}
.section-head--row .h2 { margin-bottom: 0; }

/* На мобильном кнопка остаётся в одной строке с заголовком */
@media (max-width: 760px) {
  .section-head--row {
    flex-wrap: nowrap;
    align-items: center;
    gap: 1rem;
  }
  .section-head--row > div { min-width: 0; }
  .section-head--row .h2 { font-size: clamp(1.25rem, .95rem + 1.9vw, 1.6rem); }
  .section-head--row .btn {
    flex: none;
    padding: .6rem 1rem;
    font-size: .82rem;
    white-space: nowrap;
  }
}

/* --- Кнопки ------------------------------------------------------------- */
.btn {
  --btn-bg: var(--signal);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 1.5px solid var(--btn-bg);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: background .18s var(--ease), border-color .18s var(--ease),
              color .18s var(--ease), transform .18s var(--ease);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn--solid:hover { background: var(--signal-dk); border-color: var(--signal-dk); }

.btn--ghost {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn--ghost:hover { background: rgba(255,255,255,.1); }

.btn--outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn--outline:hover { border-color: var(--ink); background: var(--ink); color: #fff; }

.btn--sm { padding: .65rem 1.15rem; font-size: .85rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--signal);
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 2px;
  margin-top: 1.25rem;
}
.link-arrow::after { content: "→"; transition: transform .18s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* --- Шапка -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 6px 24px rgba(14,26,38,.08); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.logo { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); }
.logo__mark { color: var(--signal); display: flex; }
.logo__abbr {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: .06em;
  display: block;
  line-height: 1;
}
.logo__full {
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
  line-height: 1.3;
  display: block;
  margin-top: .2rem;
}
.logo--light { color: #fff; }
.logo--light .logo__full { color: rgba(255,255,255,.6); }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__list { display: flex; align-items: center; gap: 1.6rem; }

.nav__link {
  position: relative;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  padding: .35rem 0;
  color: var(--ink-soft);
  transition: color .18s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s var(--ease);
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--ink); }

.nav__cta { display: flex; align-items: center; gap: 1rem; }
.nav__phone {
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav__phone:hover { color: var(--signal); }

/* Нижний блок мобильного меню (кнопка-телефон, соцсети, слоган) */
.nav__footer { display: none; }

.burger {
  display: none;
  width: 2.75rem; height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  padding: 0;
  position: relative;
}
.burger span {
  position: absolute;
  left: 50%; 
  width: 1.15rem; height: 2px;
  background: var(--ink);
  transform: translateX(-50%);
  transition: transform .22s var(--ease), opacity .16s var(--ease);
}
.burger span:nth-child(1) { top: .95rem; }
.burger span:nth-child(2) { top: 1.3rem; }
.burger span:nth-child(3) { top: 1.65rem; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateX(-50%) translateY(.35rem) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateX(-50%) translateY(-.35rem) rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14,26,38,.45);
  z-index: 55;
}

/* Мобильное меню: белая панель на весь экран, пункты по центру,
   активный — «пилюля»; внизу кнопка-телефон, соцсети и слоган */
@media (max-width: 1099px) {
  .burger { display: block; }
  .logo__full { display: none; }

  .site-header .logo__image {
    width: clamp(11rem, 48vw, 14rem);
    max-height: 3.25rem;
  }

  /* Логотип и бургер выше панели меню (панель — их сосед по шапке) */
  .site-header .logo,
  .burger {
    position: relative;
    z-index: 61;
  }

  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 100dvh;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    gap: 0;
    padding: 5.25rem 0 0; /* панель лежит под шапкой (z-index ниже) */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s var(--ease), visibility .2s var(--ease);
    z-index: 58;
    overflow-y: auto;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__list {
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    padding: 2rem 1.25rem;
  }
  .nav__item + .nav__item { border-top: 0; }
  .nav__link {
    display: inline-block;
    padding: .72rem 1.6rem;
    font-size: 1.08rem;
    border-radius: 999px;
    color: var(--ink-soft);
  }
  .nav__link::after { display: none; }
  .nav__link.is-active {
    background: var(--signal);
    color: var(--ink);
    font-weight: 700;
  }

  .nav__cta { display: none; }

  .nav__footer {
    display: grid;
    gap: 1.05rem;
    justify-items: center;
    padding: 1.4rem 1.25rem calc(1.4rem + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--line);
    background: var(--paper-alt);
  }
  .nav__phone-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: 100%;
    max-width: 24rem;
    padding: 1rem 1.5rem;
    background: var(--ink);
    color: #fff;
    border-radius: 999px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: .01em;
  }
  .nav__phone-btn svg { width: 1.15rem; height: 1.15rem; flex: none; }
  .nav__phone-btn:hover { background: #0a2a5c; }

  .nav__social {
    display: flex;
    gap: .7rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .nav__social-link {
    display: grid;
    place-items: center;
    width: 2.7rem;
    height: 2.7rem;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #fff;
    color: var(--ink);
  }
  .nav__social-link svg { width: 1.2rem; height: 1.2rem; }
  .nav__social-link.is-wa {
    background: #25d366;
    border-color: #25d366;
    color: #fff;
  }
  .nav__social-link.is-wa svg { width: 1.45rem; height: 1.45rem; }

  .nav__tagline {
    margin: 0;
    color: var(--steel);
    font-size: .92rem;
    text-align: center;
  }

  /* Пока меню открыто, круглая WhatsApp-кнопка не нужна — в меню своя */
  body:has(.nav.is-open) .wa-float {
    opacity: 0;
    pointer-events: none;
  }
}

@media (min-width: 1100px) {
  .nav-backdrop { display: none !important; }
}

/* --- Первый экран ------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding-block: clamp(3.5rem, 11vw, 8rem);
}
/* Сигнатура: сетка чертежа */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 78% 15%, #000 5%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 15%, #000 5%, transparent 72%);
  pointer-events: none;
}
.hero__inner { position: relative; }

.hero__title {
  font-size: clamp(2.1rem, 1.1rem + 4.6vw, 4.4rem);
  font-weight: 800;
  max-width: 20ch;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: -.02em;
}
.hero__title em {
  display: block;
  font-style: normal;
  color: var(--signal);
}

.hero__lead {
  max-width: 46ch;
  font-size: clamp(1rem, .95rem + .45vw, 1.2rem);
  color: rgba(255,255,255,.78);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 1rem;
  margin-top: clamp(3rem, 8vw, 5rem);
  padding-top: 2.25rem;
  border-top: 1px solid rgba(255,255,255,.16);
}
@media (min-width: 760px) { .hero__stats { grid-template-columns: repeat(4, 1fr); } }

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem);
  font-weight: 800;
  line-height: 1;
  color: var(--signal);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-top: .5rem;
}
.section--muted .stat__label,
.section:not(.section--dark) .stat__label { color: var(--steel); }
.section--dark .stat__label { color: rgba(255,255,255,.6); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 1rem;
}
@media (min-width: 760px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }

/* --- Шапка внутренних страниц ------------------------------------------- */
.page-head {
  position: relative;
  overflow: hidden;
  background: var(--paper-alt);
  color: var(--ink);
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}
.page-head::after {
  content: "";
  position: absolute;
  right: min(6vw, 5rem);
  bottom: -5rem;
  width: min(34rem, 45vw);
  aspect-ratio: 1;
  border: 1px solid rgba(1,22,64,.1);
  transform: rotate(18deg);
  pointer-events: none;
}
.page-head .shell {
  position: relative;
  z-index: 1;
}
.page-head .eyebrow { color: var(--ink); }
.page-title {
  color: var(--ink);
  font-size: clamp(1.9rem, 1.2rem + 3.4vw, 3.6rem);
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.page-lead { max-width: 52ch; color: var(--ink-soft); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--steel);
  margin-bottom: 1.5rem;
}
.crumbs a:hover { color: var(--signal); }

/* --- Услуги: список на главной ------------------------------------------ */
.service-list { border-top: 1px solid rgba(255,255,255,.16); }

.service-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .3rem 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
  align-items: start;
}
.service-row__code {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--signal);
  padding-top: .45rem;
}
.service-row__title {
  font-size: clamp(1.2rem, 1rem + 1vw, 1.75rem);
  margin: 0;
}
.service-row__text {
  grid-column: 2;
  color: rgba(255,255,255,.7);
  margin: 0;
  max-width: 60ch;
}
.service-row__link {
  grid-column: 2;
  margin-top: .75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
  color: var(--signal);
  border-bottom: 1.5px solid transparent;
}
.service-row__link:hover { border-color: currentColor; }

@media (min-width: 900px) {
  .service-row { grid-template-columns: 4rem minmax(0, 22rem) minmax(0, 1fr) auto; align-items: center; gap: 2rem; }
  .service-row__text { grid-column: auto; margin: 0; }
  .service-row__link { grid-column: auto; margin: 0; }
}

/* --- Услуги: страница --------------------------------------------------- */
.service-index {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.service-index a {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.service-index a span { font-family: var(--font-mono); font-size: .75rem; color: var(--signal); }
.service-index a:hover { border-color: var(--ink); }

.service-block { scroll-margin-top: 6rem; }
.service-block__lead { color: var(--steel); margin-top: -.2rem; }

.check-list { margin: 1.5rem 0; display: grid; gap: .7rem; }
.check-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--ink-soft);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: .7rem; height: .7rem;
  border: 2px solid var(--signal);
  border-top: 0; border-right: 0;
  transform: rotate(-45deg) translateY(-.15em);
}

/* --- Карточки проектов -------------------------------------------------- */
/* --- Services page, TCE legacy-style hero ----------------------------- */
.services-hero {
  background: var(--paper-alt);
  padding-block: clamp(4rem, 8vw, 7rem) clamp(5.25rem, 10vw, 8.8rem);
}

.services-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(20rem, .78fr);
  gap: clamp(2.5rem, 9vw, 9rem);
  align-items: center;
}

.services-kicker {
  margin: 0 0 1rem;
  color: var(--steel);
  font-size: .98rem;
}

.services-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 300;
  line-height: 1;
  text-transform: uppercase;
}

.services-hero__text {
  margin: 0;
  color: #9f9fa8;
  font-size: 1.02rem;
  line-height: 1.85;
}

.services-detail {
  background: #fff;
  padding-block: clamp(4.5rem, 8vw, 7rem);
}

.services-detail__head {
  max-width: 48rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.services-detail__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.services-detail__card {
  position: relative;
  min-height: 19rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.services-detail__number {
  display: block;
  margin-bottom: 1.5rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: .82rem;
}

.services-detail__card h3 {
  max-width: 18ch;
  margin: 0 0 1.25rem;
  color: var(--ink);
  font-size: clamp(1.35rem, 1.2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.2;
}

.services-detail__card ul {
  display: grid;
  gap: .7rem;
  margin: 0;
}

.services-detail__card li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.services-detail__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: .38rem;
  height: .38rem;
  border-radius: 999px;
  background: var(--signal);
}

@media (max-width: 900px) {
  .services-hero__inner,
  .services-detail__grid {
    grid-template-columns: 1fr;
  }

  /* «Xidmətlərimiz» — одно длинное слово: держим его внутри экрана */
  .services-title {
    font-size: clamp(1.7rem, 1.15rem + 4vw, 2.6rem);
    overflow-wrap: anywhere;
  }

  .services-detail__card {
    min-height: auto;
  }
}
.project-grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
  .project-card--wide { grid-column: span 2; }
}
@media (min-width: 1000px) {
  .project-grid--all { grid-template-columns: repeat(3, 1fr); }
}

.project-card { min-width: 0; }
.project-card.is-hidden { display: none; }

.project-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.project-card__link:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(14,26,38,.1);
}

.project-card__media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-alt);
}
.project-card--wide .project-card__media { aspect-ratio: 16 / 9; }
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.project-card__link:hover .project-card__media img { transform: scale(1.04); }

.project-card__body { display: block; padding: 1.25rem 1.35rem 1.5rem; }
.project-card__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: .5rem;
}
.project-card__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.2;
}
.project-card__summary {
  display: block;
  margin-top: .5rem;
  color: var(--steel);
  font-size: .95rem;
}

/* Фильтры */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter {
  padding: .55rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .88rem;
  transition: all .18s var(--ease);
}
.filter:hover { border-color: var(--ink); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

.empty-state { color: var(--steel); padding: 2rem 0; }

/* --- Страница проекта --------------------------------------------------- */

.project-content {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.project-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.project-gallery__item {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-alt);
  aspect-ratio: 16 / 10;
}

.project-gallery__item picture,
.project-gallery__item img {
  width: 100%;
  height: 100%;
}

.project-gallery__item img {
  object-fit: cover;
}

.project-summary {
  max-width: 46rem;
}

.project-summary .lead {
  margin: 0;
  color: var(--steel);
}

.project-rich {
  color: var(--steel);
  line-height: 1.8;
}

.project-rich h2,
.project-rich h3,
.project-rich h4 {
  margin: 0 0 1rem;
  color: var(--ink);
  font-weight: 400;
}

.project-rich h2 {
  font-size: clamp(1.8rem, 4vw, 2.65rem);
}

.project-rich h3 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
}

.project-rich p,
.project-rich ul,
.project-rich ol,
.project-rich blockquote {
  margin: 0 0 1rem;
}

.project-rich ul,
.project-rich ol {
  padding-left: 1.25rem;
}

.project-rich a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.project-rich blockquote {
  border-left: 3px solid var(--pink);
  padding-left: 1rem;
  color: var(--ink);
}

@media (min-width: 760px) {
  .project-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.project-hero {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--paper-alt);
}
.project-hero picture,
.project-hero img { width: 100%; height: 100%; }
.project-hero img { object-fit: cover; }

.spec { border-top: 2px solid var(--ink); }
.spec__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.spec dt {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}
.spec dd { font-weight: 600; text-align: right; }

/* --- Преимущества ------------------------------------------------------- */
.feature-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  /* нечётное число карточек: последняя занимает весь ряд, дыр не остаётся */
  .feature:last-child:nth-child(2n - 1) { grid-column: span 2; }
}
@media (min-width: 980px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .feature:last-child:nth-child(2n - 1) { grid-column: auto; }
  /* хвост неполного ряда из трёх колонок растягиваем на остаток */
  .feature:last-child:nth-child(3n - 2) { grid-column: span 3; }
  .feature:last-child:nth-child(3n - 1) { grid-column: span 2; }
}

.feature {
  background: var(--paper);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  transition: background .2s var(--ease);
}
.section--muted .feature { background: var(--paper-alt); }
.feature:hover { background: var(--ink); color: #fff; }
.feature:hover .feature__text { color: rgba(255,255,255,.72); }
.feature__title { font-size: 1.15rem; margin-bottom: .5rem; }
.feature__text { color: var(--steel); margin: 0; font-size: .95rem; }

/* --- Процесс ------------------------------------------------------------ */
.process {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  counter-reset: step;
}
@media (min-width: 720px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .process { grid-template-columns: repeat(5, 1fr); gap: 1rem; } }

.process__item { border-top: 2px solid var(--ink); padding-top: 1rem; }
.process__num {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--signal);
  display: block;
  margin-bottom: .5rem;
}
.process__title { font-size: 1.1rem; margin-bottom: .4rem; }
.process__text { color: var(--steel); font-size: .93rem; margin: 0; }

/* --- Партнёры ----------------------------------------------------------- */
.partner-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .partner-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1000px) { .partner-grid { grid-template-columns: repeat(8, 1fr); } }

.partner {
  background: var(--paper);
  display: grid;
  place-items: center;
  padding: 1.25rem;
  min-height: 6rem;
}
.partner img {
  max-height: 3rem;
  width: auto;
  filter: grayscale(1);
  opacity: .6;
  transition: filter .2s var(--ease), opacity .2s var(--ease);
}
.partner:hover img { filter: none; opacity: 1; }

/* --- CTA ---------------------------------------------------------------- */
.cta {
  background: var(--signal);
  color: #fff;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.cta__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: center;
  justify-content: space-between;
}
.cta__text { max-width: 40ch; }
.cta .h2 { margin-bottom: .4rem; }
.cta p { color: rgba(255,255,255,.85); }
.cta__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta .btn--solid { background: var(--ink); border-color: var(--ink); }
.cta .btn--solid:hover { background: #000; border-color: #000; }

/* На мобильном обе кнопки CTA в одну строку, поровну */
@media (max-width: 760px) {
  .cta__actions {
    flex-wrap: nowrap;
    width: 100%;
    gap: .6rem;
  }
  .cta__actions .btn {
    flex: 1 1 0;
    min-width: 0;
    padding-inline: .6rem;
    font-size: .84rem;
    white-space: nowrap;
  }
}

/* --- Контакты ----------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact-layout { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); align-items: start; }
}

.contact-list { border-top: 2px solid var(--ink); }
.contact-list li {
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: .2rem;
}
.contact-list__label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}
.contact-list a:hover { color: var(--signal); }

.form { display: grid; gap: 1.1rem; }
.form__trap { position: absolute; left: -9999px; }

.field { display: grid; gap: .4rem; }
.field-row { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 560px) { .field-row { grid-template-columns: repeat(2, 1fr); } }

.field__label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
}
.field__label span { color: var(--signal); }

.field__input {
  width: 100%;
  padding: .8rem 1rem;
  font: inherit;
  font-size: 1rem; /* < 16px вызывает зум в iOS */
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field__input:focus {
  border-color: var(--ink);
  outline: none;
  box-shadow: 0 0 0 3px rgba(232,84,30,.16);
}
.field__input--area { resize: vertical; min-height: 9rem; }
.field__input.has-error { border-color: var(--signal-dk); }
.field__error { color: var(--signal-dk); font-size: .85rem; margin: 0; }

.form__note { font-size: .82rem; color: var(--steel); margin: 0; }

.notice {
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border-left: 3px solid;
  margin-bottom: 1.5rem;
  font-size: .95rem;
}
.notice--ok    { background: #eef7f0; border-color: #2e7d4f; color: #1d5233; }
.notice--error { background: #fdeee8; border-color: var(--signal-dk); color: var(--signal-dk); }

.map {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 7;
}
.map iframe { width: 100%; height: 100%; border: 0; }
@media (max-width: 640px) { .map { aspect-ratio: 4 / 3; } }

/* --- 404 ---------------------------------------------------------------- */
.section--error { padding-block: clamp(4rem, 12vw, 8rem); }
.error-block { max-width: 40rem; }
.error-code {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 14vw, 9rem);
  line-height: .9;
  color: var(--signal);
  margin: 0 0 1rem;
}
.error-links { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.75rem; }
.error-links a {
  padding: .6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
}
.error-links a:hover { border-color: var(--ink); background: var(--ink); color: #fff; }

/* --- Подвал ------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.75);
  padding-block: clamp(2.5rem, 7vw, 4.5rem) 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 620px)  { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.5rem; } }

.footer-lead { max-width: 34ch; margin-top: 1.1rem; font-size: .95rem; }

.footer-title {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1rem;
}

.footer-list { display: grid; gap: .6rem; font-size: .95rem; }
.footer-list a { transition: color .18s var(--ease); }
.footer-list a:hover { color: var(--signal); }
.footer-list--contact { word-break: break-word; }

.social { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.25rem; font-size: .9rem; }
.social a { border-bottom: 1px solid rgba(255,255,255,.28); padding-bottom: 2px; }
.social a:hover { color: var(--signal); border-color: currentColor; }

/* Соцсети иконками (Instagram, WhatsApp и т.д. — из админки) */
.social--icons { gap: .65rem; }
.social--icons a,
.social--icons span {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 50%;
  color: #fff;
  padding-bottom: 0;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.social--icons svg { width: 1.2rem; height: 1.2rem; display: block; }
.social--icons a:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.footer-bottom {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.14);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
}
.footer-bottom p { margin: 0; }
.to-top:hover { color: var(--signal); }

/* --- Появление при скролле ---------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* --- Печать ------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .cta, .burger, .filters { display: none !important; }
  body { color: #000; }
  .page-head, .hero, .section--dark { background: #fff !important; color: #000 !important; }
}

/* --- TCE brand layer ---------------------------------------------------- */
body {
  font-weight: 300;
  color: var(--steel);
}

h1, h2, h3, h4,
.btn,
.nav__link,
.project-card__title,
.footer-title {
  color: var(--ink);
}

h1, h2, h3, h4 {
  font-weight: 300;
  letter-spacing: 0;
}

.h2 {
  font-size: clamp(1.85rem, 1.2rem + 2.6vw, 3.75rem);
  text-transform: none;
}

.lead {
  color: var(--steel);
  font-weight: 300;
}

.section {
  padding-block: clamp(3.75rem, 8vw, 7.5rem);
}

.section--brand-band {
  background: var(--ink);
  color: #fff;
  margin-top: clamp(-5rem, -7vw, -3rem);
  position: relative;
  z-index: 3;
}

.section--brand-band .h2,
.section--brand-band .lead {
  color: #fff;
}

.intro-band {
  display: grid;
  gap: clamp(1.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}

.intro-band__label {
  color: #fff;
  font-size: clamp(1.15rem, .9rem + 1vw, 1.45rem);
  font-weight: 500;
  line-height: 1.25;
}

@media (min-width: 840px) {
  .intro-band { grid-template-columns: minmax(10rem, 1fr) minmax(0, 3fr); align-items: center; }
}

.eyebrow {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 400;
  letter-spacing: .08em;
}

.eyebrow::before {
  background: var(--signal);
}

.btn {
  --btn-bg: var(--signal);
  --btn-fg: var(--ink);
  border-color: var(--btn-bg);
  text-transform: capitalize;
  font-weight: 400;
  box-shadow: none;
}

.btn--solid:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}

.btn--ghost {
  color: var(--ink);
  border-color: var(--ink);
  background: rgba(255,247,241,.82);
}

.btn--ghost:hover {
  background: var(--ink);
  color: #fff;
}

.btn--outline {
  border-color: var(--ink);
  color: var(--ink);
}

.site-header {
  background: rgba(255,255,255,.96);
  border-bottom-color: rgba(1,22,64,.1);
}

.site-header__inner {
  min-height: 5.25rem;
}

.logo {
  gap: 0;
  flex: none;
}

.logo__image {
  width: clamp(8.75rem, 15vw, 11.625rem);
  height: auto;
  max-height: 2.6rem;
  object-fit: contain;
}

.logo__image--light {
  width: clamp(10.5rem, 18vw, 13.25rem);
  max-height: 2.9rem;
}

.nav__link,
.nav__phone {
  color: var(--ink);
  font-weight: 400;
}

.nav__link::after {
  background: var(--signal);
}

.burger {
  border-color: rgba(1,22,64,.18);
}

.hero {
  min-height: calc(100svh - 5.25rem);
  padding-block: clamp(4rem, 10vw, 8rem);
  display: grid;
  align-items: center;
  background: var(--paper-alt);
  color: var(--ink);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,247,241,.96) 0%, rgba(255,247,241,.82) 36%, rgba(255,247,241,.08) 72%);
  pointer-events: none;
}

.hero__media,
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__media img {
  object-fit: cover;
  object-position: center right;
}

.hero__inner {
  z-index: 2;
}

.hero__content {
  max-width: min(42rem, 58vw);
}

.hero__title {
  color: var(--ink);
  font-size: clamp(2rem, 1.15rem + 4.3vw, 4.6rem);
  font-weight: 300;
  line-height: 1;
  max-width: 13ch;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero__lead {
  color: var(--ink-soft);
  max-width: 38ch;
}

.hero__actions {
  margin-top: 1.75rem;
}

.project-grid--featured {
  gap: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 1000px) {
  .project-grid--featured {
    grid-template-columns: repeat(4, 1fr);
  }
}

.project-card__link {
  border: 0;
  background: var(--ink);
}

.project-card__link:hover {
  border-color: transparent;
  box-shadow: 0 20px 44px rgba(1,22,64,.18);
}

.project-card__media {
  aspect-ratio: 1 / .78;
}

.project-card__body {
  min-height: 8rem;
  padding: 1.35rem;
  background: var(--ink);
}

.project-card__title {
  color: var(--paper-alt);
  font-size: clamp(1.15rem, .95rem + .65vw, 1.45rem);
  font-weight: 300;
  text-transform: capitalize;
}

.project-card__meta,
.project-card__summary {
  color: rgba(255,247,241,.72);
}

.section--about {
  background: #fff;
}

.feature-grid {
  gap: 0;
  border-color: rgba(1,22,64,.1);
  background: rgba(1,22,64,.1);
}

.feature {
  background: #fff;
}

.section--muted .feature {
  background: var(--paper-alt);
}

.feature:hover {
  background: var(--ink);
}

.feature:hover .feature__title {
  color: #fff;
}

.service-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(1,22,64,.1);
  border: 1px solid rgba(1,22,64,.1);
}

@media (min-width: 720px) {
  .service-card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .service-card-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: #fff;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  min-height: 18rem;
}

.service-card__code {
  display: block;
  margin-bottom: 2rem;
  color: var(--signal-dk);
  font-weight: 500;
}

.service-card__title {
  font-size: clamp(1.25rem, 1rem + .8vw, 1.6rem);
  margin-bottom: .75rem;
}

.service-card__text {
  color: var(--steel);
  font-size: .95rem;
}

.link-arrow {
  color: var(--ink);
  font-weight: 400;
  border-color: var(--signal);
}

.link-arrow::after {
  content: ">";
}

.partner {
  background: #fff;
  min-height: 8.5rem;
}

.partner picture {
  display: grid;
  place-items: center;
  width: 100%;
}

.partner img {
  width: min(12rem, 82%);
  max-height: 4.5rem;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .72;
}

.cta {
  background: var(--signal);
  color: var(--ink);
}

.cta .h2,
.cta p {
  color: var(--ink);
}

.cta .btn--solid {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.site-footer {
  background: var(--ink);
}

.footer-title {
  color: rgba(255,247,241,.62);
  font-weight: 400;
}

@media (max-width: 1099px) {
  .nav {
    background: var(--paper);
  }
}

@media (max-width: 760px) {
  .hero {
    min-height: 33rem;
    align-items: end;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(255,247,241,.18) 0%, rgba(255,247,241,.96) 48%, rgba(255,247,241,1) 100%);
  }

  .hero__media img {
    object-position: 66% center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__title {
    max-width: 17ch;
    font-size: clamp(1.45rem, 1rem + 3.4vw, 2rem);
    line-height: 1.2;
  }

  .page-title {
    font-size: clamp(1.6rem, 1.1rem + 3.6vw, 2.2rem);
  }

  .section--brand-band {
    margin-top: 0;
  }
}

/* --- Reference hero alignment ----------------------------------------- */
@media (min-width: 1100px) {
  :root {
    --shell: 1750px;
    --gutter: clamp(2rem, 4vw, 4.75rem);
  }

  .site-header {
    border-bottom: 0;
  }

  .site-header__inner {
    min-height: 6.4rem;
  }

  .logo__image {
    width: 19rem;
    max-height: 4.25rem;
  }

  .nav {
    gap: clamp(2rem, 4.7vw, 5.5rem);
  }

  .nav__list {
    gap: clamp(2rem, 2.7vw, 3.2rem);
  }

  .nav__link {
    font-size: 1.18rem;
  }

  .nav__cta {
    margin-left: .75rem;
  }

  .nav__phone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .85rem;
    min-width: 17.9rem;
    min-height: 3.5rem;
    padding: .85rem 1.6rem;
    background: var(--ink);
    color: #fff;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0;
  }

  .nav__phone:hover {
    color: var(--signal);
  }

  .nav__phone-icon {
    font-size: 1.12rem;
    line-height: 1;
  }

  .hero {
    min-height: 27.5rem;
    padding-block: 3.55rem 0;
    align-items: start;
  }

  .hero::after {
    background: linear-gradient(90deg, rgba(255,247,241,.98) 0%, rgba(255,247,241,.78) 39%, rgba(255,247,241,.03) 71%);
  }

  .hero__content {
    max-width: 52rem;
  }

  .hero__title {
    max-width: 16.8ch;
    font-size: clamp(3.35rem, 2.9vw, 3.55rem);
    line-height: 1.02;
    margin-bottom: 1.45rem;
  }

  .hero__media img {
    object-position: center right;
  }

  .hero__actions {
    margin-top: 0;
  }

  .hero__actions .btn--solid {
    min-width: 11.8rem;
    min-height: 3.55rem;
  }

  .section--brand-band {
    background: linear-gradient(90deg, transparent 0, transparent calc(100% - var(--gutter)), var(--signal) calc(100% - var(--gutter)), var(--signal) 100%);
    margin-top: 0;
    padding-block: 0;
  }

  .intro-band {
    position: relative;
    width: calc(100% - (var(--gutter) * 2));
    max-width: calc(var(--shell) - (var(--gutter) * 2));
    grid-template-columns: minmax(18rem, 24%) minmax(0, 1fr);
    gap: clamp(2.25rem, 5.4vw, 6.5rem);
    align-items: center;
    min-height: 12rem;
    padding: 3.2rem 2.2rem 2.35rem;
    background: var(--ink);
  }

  .intro-band::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 100%;
    width: var(--gutter);
    background: var(--signal);
  }

  .intro-band__label {
    max-width: 20rem;
    font-size: 1.6rem;
    font-weight: 600;
    line-height: 1.18;
  }

  .intro-band .lead {
    max-width: 67rem;
    font-size: 1.12rem;
    line-height: 1.55;
  }
}

@media (min-width: 1100px) and (max-width: 1320px) {
  .logo__image {
    width: 15rem;
  }

  .nav {
    gap: 1.6rem;
  }

  .nav__list {
    gap: 1.45rem;
  }

  .nav__phone {
    min-width: 14rem;
    font-size: .92rem;
  }

  .hero__title {
    font-size: clamp(3.3rem, 5vw, 4rem);
  }
}

/* --- About page matched to legacy TCE layout -------------------------- */
.about-hero {
  background: var(--paper-alt);
  padding-block: clamp(3.5rem, 7vw, 6.2rem) clamp(4rem, 8vw, 6.4rem);
}

.about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .75fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
}

.about-kicker {
  margin: 0 0 1rem;
  color: var(--steel);
  font-size: .98rem;
}

.about-title {
  max-width: 16ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 4.65vw, 4.35rem);
  font-weight: 300;
  line-height: 1.02;
  text-transform: uppercase;
}

.about-hero__text,
.about-copy {
  color: #a4a4ad;
  font-size: 1.02rem;
  line-height: 1.8;
}

.about-story {
  background: #fff;
  padding-block: clamp(4rem, 7vw, 6.25rem);
}

.about-story__grid {
  display: grid;
  grid-template-columns: minmax(20rem, .9fr) minmax(0, .8fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: center;
}

.about-card {
  margin: 0;
  background: #fff;
  box-shadow: 0 24px 55px rgba(1,22,64,.08);
}

.about-card img {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: cover;
}

.about-card figcaption {
  padding: clamp(1.9rem, 4.6vw, 3.7rem) clamp(2rem, 5.5vw, 5.1rem);
  color: #9aa2b5;
  font-size: clamp(1.35rem, 2.2vw, 2.05rem);
  font-weight: 300;
  line-height: 1.2;
  text-transform: uppercase;
}

.about-copy p + p {
  margin-top: 1.25rem;
}

.about-certificates {
  position: relative;
  margin-top: 3.25rem;
  background: linear-gradient(to bottom, #fff 0, #fff 39.5rem, var(--ink) 39.5rem, var(--ink) 100%);
  padding-block: 0 clamp(4.4rem, 7vw, 6.3rem);
}

.about-certificates__title {
  margin: 0 0 clamp(3.9rem, 6vw, 5.75rem);
  color: var(--ink);
  text-align: center;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 300;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2.5rem, 3.8vw, 3.25rem);
  align-items: start;
  max-width: 83.7rem;
  margin-inline: auto;
}

.certificate-card {
  margin: 0;
  overflow: hidden;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}

.certificate-card img {
  width: 100%;
  height: auto;
}

@media (max-width: 900px) {
  .about-hero__inner,
  .about-story__grid {
    grid-template-columns: 1fr;
  }

  .about-title {
    max-width: 100%;
    font-size: clamp(1.7rem, 1.15rem + 4vw, 2.6rem);
  }

  .certificate-grid {
    grid-template-columns: 1fr;
    max-width: 28rem;
    margin-inline: auto;
  }
}

/* --- WhatsApp: плавающая кнопка (номер задаётся в админке) --------------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.6rem);
  bottom: clamp(1rem, 3vw, 1.6rem);
  z-index: 90;
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 26px rgba(1, 22, 64, .28);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.wa-float svg {
  width: 1.9rem;
  height: 1.9rem;
}

.wa-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(1, 22, 64, .34);
}

/* --- Видео проекта -------------------------------------------------------- */
.project-video video {
  width: 100%;
  display: block;
}