/* ============ VARIABLES / BASE ============ */
:root {
  --navy: #1D2A56;           /* основной синий с логотипа */
  --navy-dark: #141E40;
  --navy-soft: #3A4A80;
  --ink: #1B2340;            /* текст */
  --muted: #5D6579;
  --bg: #F8F9FB;             /* светлый фон шаблона */
  --white: #FFFFFF;
  --mint: #7EDDB6;           /* мятный акцент из шаблона */
  --mint-soft: #DFF6EC;
  --peach: #F5DDD3;          /* персиковый из шаблона */
  --peach-deep: #EFCDBF;
  --blue-soft: #DDE7F5;      /* светло-голубой из шаблона */
  --blue-chip: #E8EEF9;
  --sun: #FFC93C;            /* жёлтый для звёзд */
  --border: #E6E9F0;
  --font-head: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 14px;
  --shadow-card: 0 6px 24px rgba(29, 42, 86, .07);
  --shadow-pop: 0 18px 44px rgba(29, 42, 86, .16);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

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

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

button { font-family: inherit; cursor: pointer; }

/* ============ TYPOGRAPHY ============ */
.section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--navy);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head--left { text-align: left; margin: 0; }

.section-sub {
  font-size: 16.5px;
  color: var(--muted);
  margin-top: 16px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  border: 1.5px solid transparent;
  white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
              background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.btn svg { width: 19px; height: 19px; flex-shrink: 0; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(5px); }

.btn--primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(29, 42, 86, .25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(29, 42, 86, .3);
  background: var(--navy-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: rgba(29, 42, 86, .25);
}
.btn--ghost:hover { border-color: var(--navy); background: var(--white); }

.btn--lg { padding: 17px 32px; font-size: 16px; }
.btn--sm { padding: 11px 20px; font-size: 14px; box-shadow: none; }

/* ============ PRELOADER ============ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s;
}

.preloader.is-done { opacity: 0; visibility: hidden; }

.preloader__inner { text-align: center; color: var(--white); }

.preloader__logo {
  width: 84px;
  height: 84px;
  margin: 0 auto 16px;
  color: var(--white);
  animation: logoFloat 2.4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.preloader__text {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .12em;
}
.preloader__text em { font-style: normal; opacity: .55; }

.preloader__bar {
  width: 170px;
  height: 3px;
  border-radius: 3px;
  background: rgba(255,255,255,.15);
  margin: 24px auto 0;
  overflow: hidden;
}

.preloader__bar span {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: 3px;
  background: var(--mint);
  animation: barSlide 1.1s ease-in-out infinite;
}

@keyframes barSlide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(450%); }
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 4px 24px rgba(29, 42, 86, .08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* logo */
.logo { display: flex; align-items: center; gap: 11px; color: var(--navy); }
.logo__mark { width: 44px; height: 44px; flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__line1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .06em;
}
.logo__line1 em { font-style: normal; opacity: .5; font-weight: 700; }
.logo__line2 {
  font-size: 8.5px;
  letter-spacing: .3em;
  text-transform: uppercase;
  opacity: .6;
  margin-top: 3px;
}

/* nav */
.nav { display: flex; gap: 6px; }
.nav__link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color .3s, background .3s;
}
.nav__link:hover { color: var(--navy); background: var(--blue-chip); }

.header__actions { display: flex; align-items: center; gap: 18px; }

.header__phone {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
  transition: opacity .3s;
}
.header__phone:hover { opacity: .7; }

/* burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  color: var(--navy);
}
.burger span {
  width: 26px; height: 2.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .35s var(--ease), opacity .3s;
}
.burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 168px 0 40px;
  text-align: center;
  overflow: hidden;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  animation: blobFloat 12s ease-in-out infinite;
}
.hero__blob--mint  { width: 420px; height: 420px; background: var(--mint-soft); top: -80px; left: -120px; }
.hero__blob--peach { width: 380px; height: 380px; background: var(--peach); top: 40px; right: -140px; animation-delay: 3s; }
.hero__blob--blue  { width: 460px; height: 460px; background: var(--blue-soft); bottom: -120px; left: 30%; animation-delay: 6s; }

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -24px) scale(1.06); }
}

.hero__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-card);
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(126, 221, 182, .6);
  animation: dotPulse 2s ease-out infinite;
}

@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(126, 221, 182, .6); }
  100% { box-shadow: 0 0 0 10px rgba(126, 221, 182, 0); }
}

.hero__title {
  position: relative;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--navy);
  margin-bottom: 26px;
}

.hero__title em {
  font-style: normal;
  position: relative;
  white-space: nowrap;
}
.hero__title em::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: .04em;
  height: .3em;
  background: var(--mint);
  opacity: .5;
  border-radius: 6px;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  animation: markIn .7s var(--ease) forwards 1s;
}

@keyframes markIn { to { transform: scaleX(1); } }

.hero__title-line { display: block; overflow: hidden; }
.hero__title-line span {
  display: inline-block;
  transform: translateY(110%);
  animation: lineUp .9s var(--ease) forwards;
}
.hero__title-line:nth-child(1) span { animation-delay: .1s; }
.hero__title-line:nth-child(2) span { animation-delay: .24s; }
.hero__title-line:nth-child(3) span { animation-delay: .38s; }

body.is-loading .hero__title-line span,
body.is-loading .hero__title em::after { animation-play-state: paused; }

@keyframes lineUp { to { transform: translateY(0); } }

.hero__desc {
  position: relative;
  max-width: 560px;
  margin: 0 auto 34px;
  font-size: 17px;
  color: var(--muted);
}

.hero__cta {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero__trust {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.hero__stars { display: flex; gap: 3px; }
.hero__stars svg { width: 18px; height: 18px; fill: var(--sun); }

/* hero visual */
.hero__visual { position: relative; }

.hero__card {
  position: relative;
  background: var(--navy);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-pop);
}

.hero__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  animation: gridMove 22s linear infinite;
}

@keyframes gridMove {
  from { background-position: 0 0; }
  to   { background-position: 64px 64px; }
}

.hero__skyline {
  position: relative;
  width: 100%;
  height: clamp(220px, 32vw, 380px);
}

.skyline__back rect { fill: rgba(255,255,255,.09); }
.skyline__windows rect { fill: rgba(126, 221, 182, .5); }
.win-col rect { animation: winFlicker 5s ease-in-out infinite; }
.win-col:nth-child(2) rect { animation-delay: 1.2s; }
.win-col:nth-child(3) rect { animation-delay: 2.4s; }
.win-col:nth-child(4) rect { animation-delay: .7s; }
.win-col:nth-child(5) rect { animation-delay: 3.1s; }

@keyframes winFlicker {
  0%, 100% { opacity: .45; }
  50% { opacity: 1; }
}

.skyline__crane rect, .skyline__crane path { fill: rgba(255,255,255,.22); }
.skyline__crane { transform-origin: 1003px 33px; animation: craneSway 9s ease-in-out infinite; }

@keyframes craneSway {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-1.2deg); }
}

.crane__hook { animation: hookSwing 3s ease-in-out infinite; transform-origin: 919px 37px; }

@keyframes hookSwing {
  0%, 100% { transform: rotate(2.5deg); }
  50% { transform: rotate(-2.5deg); }
}

/* floating chips */
.hero__chip {
  position: absolute;
  background: var(--white);
  border-radius: var(--r-sm);
  padding: 14px 20px;
  text-align: left;
  box-shadow: var(--shadow-pop);
  animation: chipFloat 5s ease-in-out infinite;
}

.hero__chip--area { top: 15%; left: 4%; }
.hero__chip--team { top: 52%; right: 5%; animation-delay: 1.6s; }
.hero__chip--geo  { bottom: 12%; left: 12%; animation-delay: 3.2s; }

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.hero__chip-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  color: var(--navy);
}

.hero__chip-label { font-size: 12px; color: var(--muted); }

/* ============ MARQUEE ============ */
.marquee {
  padding: 26px 0;
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
}

.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 38px;
  animation: marquee 26s linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__track span {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  opacity: .75;
}

.marquee__track i { font-style: normal; color: var(--mint); font-size: 15px; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============ REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  transition-delay: var(--rd, 0s);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============ SERVICES ============ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.scard {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.scard:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-pop);
}

.scard__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 16px;
  margin-bottom: 20px;
  transition: transform .4s var(--ease);
}
.scard:hover .scard__icon { transform: scale(1.08) rotate(-4deg); }

.scard__icon svg { width: 26px; height: 26px; }

.scard__icon--blue  { background: var(--blue-chip);  color: var(--navy); }
.scard__icon--mint  { background: var(--mint-soft);  color: #1F7A55; }
.scard__icon--peach { background: var(--peach);      color: #A2543A; }

.scard__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18.5px;
  color: var(--navy);
  margin-bottom: 10px;
}

.scard__text { font-size: 14.5px; color: var(--muted); }

/* ============ STEPS ============ */
.steps { background: var(--white); }

.steps__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 22px;
  align-items: stretch;
}

.step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 30px 26px;
  position: relative;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), background .4s var(--ease);
}

.step:hover {
  transform: translateY(-6px);
  background: var(--white);
  box-shadow: var(--shadow-pop);
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 20px;
}

.step:nth-child(3) .step__num { background: #2E9E71; }
.step:nth-child(5) .step__num { background: #C0694A; }

.step__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  color: var(--navy);
  margin-bottom: 10px;
}

.step__text { font-size: 14.5px; color: var(--muted); }

.step__arrow {
  align-self: center;
  color: var(--mint);
  width: 40px;
}

/* ============ FEATURE CARDS ============ */
.feature { padding: 20px 0; }

.feature__card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  border-radius: var(--r-lg);
  padding: 64px 60px;
}

.feature__card--blue  { background: var(--blue-soft); }
.feature__card--peach { background: var(--peach); }

.feature__card--reverse .feature__info { order: 2; }
.feature__card--reverse .feature__visual { order: 1; }

.feature__text {
  font-size: 16px;
  color: var(--ink);
  opacity: .78;
  margin: 18px 0 26px;
  max-width: 460px;
}

.feature__list { list-style: none; }

.feature__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--navy);
  padding: 10px 0;
}

.feature__list li::before {
  content: '';
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--white) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="M6 12.5 10.5 17 18 8" stroke="%231D2A56" stroke-width="2.6" stroke-linecap="round" stroke-linejoin="round"/></svg>') center / 13px no-repeat;
  box-shadow: 0 3px 8px rgba(29, 42, 86, .14);
}

/* geo svg */
.geo__svg { width: 100%; max-width: 400px; margin: 0 auto; }

.geo-rings circle {
  fill: none;
  stroke: rgba(29, 42, 86, .22);
  stroke-width: 1.5;
}
.geo-rings circle:nth-child(1) { animation: ringPulse 3.5s ease-out infinite; }
.geo-rings circle:nth-child(2) { animation: ringPulse 3.5s ease-out infinite 1.15s; }
.geo-rings circle:nth-child(3) { animation: ringPulse 3.5s ease-out infinite 2.3s; }

@keyframes ringPulse {
  0%   { opacity: 0; transform: scale(.85); transform-origin: 210px 180px; }
  40%  { opacity: 1; }
  100% { opacity: 0; transform: scale(1.12); transform-origin: 210px 180px; }
}

.geo-pin path { fill: var(--navy); }
.geo-pin__hole { fill: var(--white); }
.geo-pin { animation: pinBounce 2.6s ease-in-out infinite; transform-origin: 210px 225px; }

@keyframes pinBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.geo-dot circle { fill: var(--navy); opacity: .5; }
.geo-dot { animation: dotBlink 3s ease-in-out infinite var(--d, 0s); }

@keyframes dotBlink {
  0%, 100% { opacity: .3; }
  50% { opacity: 1; }
}

/* hands/gears svg */
.hands__svg { width: 100%; max-width: 400px; margin: 0 auto; }

.gear-ring { fill: none; stroke: var(--navy); stroke-width: 9; opacity: .8; }
.gear-core { fill: var(--navy); opacity: .8; }
.gear-teeth rect { fill: var(--navy); opacity: .8; }
.hs-gear--big { animation: gearSpin 14s linear infinite; transform-origin: 170px 165px; }
.hs-gear--small { animation: gearSpinBack 9s linear infinite; transform-origin: 272px 230px; }

@keyframes gearSpin { to { transform: rotate(360deg); } }
@keyframes gearSpinBack { to { transform: rotate(-360deg); } }

.hs-check circle { fill: var(--white); }
.hs-check path { fill: none; stroke: #2E9E71; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.hs-check { animation: chipFloat 4s ease-in-out infinite; }

/* ============ FACTS ============ */
.facts { background: var(--white); }

.facts__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.fact {
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 36px 20px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.fact:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }

.fact__value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(40px, 4.6vw, 58px);
  line-height: 1;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}

.fact__prefix { font-size: .6em; font-weight: 800; color: #2E9E71; }

.fact__unit { font-size: 14px; color: var(--muted); }

/* ============ OBJECTS ============ */
.objects__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 48px;
}

.objects__nav { display: flex; gap: 10px; }

.slider-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(29, 42, 86, .25);
  background: var(--white);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s var(--ease), color .3s var(--ease), opacity .3s, border-color .3s;
}
.slider-btn svg { width: 22px; height: 22px; }
.slider-btn:hover:not(:disabled) { background: var(--navy); color: var(--white); border-color: var(--navy); }
.slider-btn:disabled { opacity: .3; cursor: default; }

.objects__track-wrap { overflow: hidden; border-radius: var(--r-md); }

.objects__track {
  display: flex;
  gap: 24px;
  transition: transform .7s var(--ease);
}

.ocard {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.ocard:hover { transform: translateY(-8px); box-shadow: var(--shadow-pop); }

.ocard__img {
  position: relative;
  background: var(--navy);
  overflow: hidden;
}

.ocard__img svg {
  width: 100%;
  height: auto;
  transition: transform .7s var(--ease);
}
.ocard:hover .ocard__img svg { transform: scale(1.06); }

.ocard__num {
  position: absolute;
  top: 14px; right: 16px;
  z-index: 2;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12.5px;
  color: var(--navy);
  background: var(--white);
  border-radius: 999px;
  padding: 4px 12px;
}

.ocard__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--navy);
  padding: 20px 22px 8px;
}

.ocard__text { font-size: 14px; color: var(--muted); padding: 0 22px 24px; }

/* objects svg parts */
.oc-roof { fill: none; stroke: var(--mint); stroke-width: 3; stroke-linecap: round; }
.oc-wall { fill: rgba(255,255,255,.16); }
.oc-wall2 { fill: rgba(255,255,255,.10); }
.oc-win, .oc-wins rect { fill: rgba(126, 221, 182, .55); }
.oc-door { fill: rgba(255,255,255,.3); }
.oc-col { fill: rgba(255,255,255,.35); }
.oc-pipe { fill: rgba(255,255,255,.3); }
.oc-ground { stroke: rgba(255,255,255,.4); stroke-width: 2; stroke-linecap: round; }

/* ============ FAQ ============ */
.faq { background: var(--white); }

.faq__inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.faq__left .section-sub { margin-bottom: 26px; }

.faq__list { display: flex; flex-direction: column; gap: 14px; }

.faq__item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: box-shadow .3s var(--ease), background .3s;
}

.faq__item[open] { background: var(--white); box-shadow: var(--shadow-card); }

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__icon {
  position: relative;
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--navy);
  transition: transform .35s var(--ease), background .3s;
}
.faq__icon::before, .faq__icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 2px;
  border-radius: 2px;
  background: var(--white);
  transform: translate(-50%, -50%);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .35s var(--ease); }

.faq__item[open] .faq__icon { transform: rotate(180deg); background: var(--mint); }
.faq__item[open] .faq__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq__item[open] .faq__icon::before, .faq__item[open] .faq__icon::after { background: var(--navy); }

.faq__item p {
  padding: 0 56px 22px 24px;
  font-size: 15px;
  color: var(--muted);
}

/* ============ CTA ============ */
.cta { padding-top: 40px; }

.cta__card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  background: var(--mint);
  border-radius: var(--r-lg);
  padding: 64px 60px;
  overflow: hidden;
}

.cta__card::before {
  content: '';
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  top: -140px; right: -100px;
}
.cta__card::after {
  content: '';
  position: absolute;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(29,42,86,.08);
  bottom: -90px; left: 34%;
}

.cta__info { position: relative; z-index: 1; }

.cta__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--navy);
}

.cta__text {
  margin: 18px 0 30px;
  font-size: 16px;
  color: var(--navy);
  opacity: .75;
  max-width: 400px;
}

.cta__links { display: flex; flex-direction: column; gap: 14px; }

.cta__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 23px);
  color: var(--navy);
  width: fit-content;
  transition: transform .3s var(--ease);
}
.cta__link:hover { transform: translateX(6px); }

.cta__link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 6px 16px rgba(29, 42, 86, .15);
  flex-shrink: 0;
}
.cta__link-icon svg { width: 20px; height: 20px; color: var(--navy); }

/* form */
.form {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: var(--r-md);
  padding: 38px 34px;
  box-shadow: var(--shadow-pop);
}

.form__field { position: relative; margin-bottom: 24px; }

.form__field input,
.form__field textarea {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: 22px 16px 10px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15.5px;
  outline: none;
  transition: border-color .3s, background .3s;
  resize: none;
}

.form__field input:focus,
.form__field textarea:focus { border-color: var(--navy); background: var(--white); }

.form__field label {
  position: absolute;
  left: 17px; top: 16px;
  font-size: 15px;
  color: var(--muted);
  pointer-events: none;
  transition: transform .25s var(--ease), font-size .25s var(--ease), color .25s;
}

.form__field input:focus + label,
.form__field input:not(:placeholder-shown) + label,
.form__field textarea:focus + label,
.form__field textarea:not(:placeholder-shown) + label {
  transform: translateY(-9px);
  font-size: 11.5px;
  color: var(--navy);
}

.form__submit { width: 100%; }

.form__note {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 14px;
  text-align: center;
}

.form__success {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--mint-soft);
  font-size: 14px;
  color: #1F7A55;
}
.form__success svg { width: 22px; height: 22px; flex-shrink: 0; }
.form__success.is-shown { display: flex; animation: successIn .5s var(--ease); }

@keyframes successIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ FOOTER ============ */
.footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border);
}

.footer__about {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--muted);
  max-width: 320px;
}

.footer__col { display: flex; flex-direction: column; gap: 12px; }

.footer__head {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 6px;
}

.footer__col a {
  font-size: 14.5px;
  color: var(--muted);
  transition: color .3s;
  width: fit-content;
}
.footer__col a:hover { color: var(--navy); }

.footer__muted { font-size: 14.5px; color: var(--muted); opacity: .7; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }

  .services__grid { grid-template-columns: repeat(2, 1fr); }

  .steps__row { grid-template-columns: 1fr; gap: 16px; }
  .step__arrow { transform: rotate(90deg); margin: 0 auto; width: 30px; }

  .feature__card { grid-template-columns: 1fr; gap: 36px; padding: 44px 36px; }
  .feature__card--reverse .feature__info { order: 1; }
  .feature__card--reverse .feature__visual { order: 2; }

  .facts__row { grid-template-columns: repeat(2, 1fr); }

  .ocard { flex: 0 0 calc((100% - 24px) / 2); }

  .faq__inner { grid-template-columns: 1fr; gap: 40px; }

  .cta__card { grid-template-columns: 1fr; gap: 40px; padding: 44px 36px; }

  .header__phone { display: none; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 84vw);
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    gap: 10px;
    transform: translateX(100%);
    transition: transform .5s var(--ease);
    z-index: 99;
    box-shadow: -20px 0 60px rgba(29, 42, 86, .18);
  }
  .nav.is-open { transform: translateX(0); }
  .nav__link { font-size: 19px; font-family: var(--font-head); font-weight: 700; color: var(--navy); }

  .header__actions { display: none; }
  .burger { display: flex; position: relative; z-index: 100; }
  .burger.is-open { position: fixed; right: 24px; }

  .hero { padding-top: 130px; text-align: left; }
  .hero__cta, .hero__trust { justify-content: flex-start; }
  .hero__desc { margin-left: 0; }
  .hero__chip { padding: 10px 14px; }
  .hero__chip-value { font-size: 15px; }
  .hero__chip-label { font-size: 10px; }
  .hero__chip--geo { display: none; }

  .section-head { text-align: left; }

  .services__grid { grid-template-columns: 1fr; }

  .facts__row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .fact { padding: 26px 14px; }

  .objects__head { flex-direction: column; align-items: flex-start; }
  .ocard { flex: 0 0 100%; }

  .marquee__track span { font-size: 16px; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }

  .faq__item p { padding-right: 24px; }

  .form { padding: 28px 22px; }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}