:root {
  --green: #A7F04B;
  --green-dark: #2E7D32;
  --green-pale: rgba(167, 240, 75, 0.18);
  --ink: #23223F;
  --graphite: #666474;
  --line: rgba(35, 34, 63, 0.10);
  --surface: #F1F1F1;
  --paper: #F1F1F1;
  --white: #fff;
  --max: 1360px;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Golos Text", Arial, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 24px rgba(35, 34, 63, 0.06);
  backdrop-filter: blur(14px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--green);
  border-radius: 4px;
  color: var(--ink);
  background: var(--green);
  font-size: 15px;
  font-weight: 750;
  transition: transform 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  background: #72b860;
  outline: none;
}

.projects-hero > * {
  min-width: 0;
}

h1 {
  max-width: 920px;
  margin: 0 0 20px;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 650;
  line-height: 0.98;
  letter-spacing: 0;
}

.plain-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  padding-left: 18px;
  position: relative;
  color: var(--graphite);
  font-size: 16px;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.btn-secondary {
  border-color: var(--line);
  background: var(--white);
}

.projects-page {
  color: var(--ink);
}

.projects-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.52fr);
  gap: 42px;
  align-items: stretch;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.projects-hero h1 {
  max-width: 920px;
  margin-bottom: 20px;
}

.projects-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.section-kicker {
  margin-bottom: 14px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-detail {
  margin: 50px 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  scroll-margin-top: 128px;
}

@media (max-width: 1040px) {
  .topbar-inner {
    align-items: center;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .projects-hero {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 720px) {
  .topbar-inner {
    width: calc(100% - 28px);
    max-width: var(--max);
  }

  .topbar-inner {
    min-height: 72px;
  }

  .brand img:first-child {
    height: 34px;
  }

  .brand img:last-child {
    height: 32px;
  }

  .nav a {
    padding: 8px 9px;
  }

  .projects-hero,
  .case-detail {
    padding: 22px;
  }

}

/* Projects page desktop redesign */
.projects-page--desktop-first {
  width: 100%;
  max-width: none;
  padding-top: 72px;
  color: var(--ink);
}

.projects-page--desktop-first > section:not(.projects-hero),
.projects-page--desktop-first > nav {
  width: min(var(--max), calc(100% - 64px));
  margin-right: auto;
  margin-left: auto;
}

.projects-page--desktop-first .projects-hero--immersive {
  position: relative;
  display: block;
  min-height: 644px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--ink);
  color: var(--white);
}

.projects-page--desktop-first .projects-hero--immersive::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(rgba(0, 0, 0, .42), rgba(0, 0, 0, .42));
}

.projects-page--desktop-first .projects-hero__media {
  position: absolute;
  inset: 0;
  display: block;
  transform: none;
  opacity: 1;
}

.projects-page--desktop-first .projects-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  filter: none;
}

.projects-page--desktop-first .projects-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  justify-items: start;
  min-height: 644px;
  width: min(var(--max), calc(100% - 64px));
  margin: 0 auto;
  padding: 56px 0 48px;
  text-align: left;
}

.projects-page--desktop-first .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: none;
}

.projects-page--desktop-first .hero-kicker::before {
  content: "";
  width: 38px;
  height: 3px;
  border-radius: 999px;
  background: var(--green);
}

.projects-page--desktop-first .projects-hero h1 {
  max-width: 640px;
  margin: 0;
  color: var(--white);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  line-height: .98;
}

.projects-page--desktop-first .projects-hero .hero-lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(17px, 1.45vw, 21px);
  font-weight: 550;
  line-height: 1.42;
}

.projects-page--desktop-first .projects-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
  justify-content: flex-start;
}

.projects-page--desktop-first .projects-hero .btn {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 750;
}

.projects-page--desktop-first .btn-primary {
  border-color: var(--green);
  background: var(--green);
  color: var(--ink);
  box-shadow: none;
}

.projects-page--desktop-first .btn-primary:hover {
  border-color: #57b646;
  background: #57b646;
}

.projects-page--desktop-first .projects-hero .btn-secondary {
  border-color: rgba(255, 255, 255, .48);
  background: rgba(255, 255, 255, .14);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.projects-page--desktop-first > .projects-side-nav {
  position: fixed;
  top: 104px;
  left: 0;
  z-index: 35;
  display: grid;
  width: 184px;
  margin: 0;
  padding: 14px 12px 14px 0;
  gap: 10px;
  border: 0;
  background: transparent;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-18px);
  transition: opacity .18s ease, transform .18s ease;
}

.projects-page--desktop-first > .projects-side-nav.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.projects-page--desktop-first .projects-side-nav__link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px 0 16px;
  border: 1px solid var(--line);
  border-left: 0;
  border-radius: 0 999px 999px 0;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.15;
  text-decoration: none;
}

.projects-page--desktop-first .projects-side-nav__link:hover,
.projects-page--desktop-first .projects-side-nav__link.is-active {
  border-color: var(--green);
  background: var(--green);
  color: var(--ink);
}

.projects-page--desktop-first .case-detail {
  scroll-margin-top: 96px;
}

@media (min-width: 1280px) {
  .projects-page--desktop-first > section:not(.projects-hero) {
    width: min(var(--max), calc(100% - 288px));
    margin-right: auto;
    margin-left: 224px;
  }
}

@media (max-width: 1279px) {
  .projects-page--desktop-first > .projects-side-nav {
    display: none;
  }
}

.projects-page--desktop-first figcaption {
  margin-top: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 620;
  line-height: 1.35;
  text-align: center;
}

.projects-page--desktop-first .case-detail--story {
  margin-top: 72px;
  margin-bottom: 96px;
  padding: 0;
  border: 0;
  background: transparent;
}

.projects-page--desktop-first .case-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, .55fr);
  gap: 36px;
  align-items: stretch;
  margin-bottom: 26px;

}

.projects-page--desktop-first .case-head__logo-panel {
  display: flex;
  align-self: stretch;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 18px;
}

.projects-page--desktop-first .case-head__logo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.projects-page--desktop-first #eaes .case-head__logo {
  max-width: 82%;
}

.projects-page--desktop-first #reon .case-head__logo {
  max-width: 58%;
}

.projects-page--desktop-first #mosgorbti .case-head__logo {
  max-width: 68%;
}

.projects-page--desktop-first #digital-twins .case-head__logo {
  max-width: 86%;
}

.projects-page--desktop-first #gin .case-head__logo,
.projects-page--desktop-first #data-factory .case-head__logo {
  max-width: 58%;
}

.projects-page--desktop-first .case-head h2 {
  max-width: 880px;
  margin: 14px 0 18px;
  font-size: clamp(34px, 3.4vw, 52px);
  font-weight: 800;
  line-height: 1.02;
}

.projects-page--desktop-first .case-head p {
  max-width: 820px;
  margin: 0;
  color: var(--graphite);
  font-size: 19px;
  line-height: 1.55;
}

.projects-page--desktop-first .case-context {
  margin-bottom: 20px;
  padding: 34px 0 44px;
  border-bottom: 1px solid var(--line);
}

.projects-page--desktop-first .case-context h3,
.projects-page--desktop-first .case-layer h3 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.15;
}

.projects-page--desktop-first .case-context p,
.projects-page--desktop-first .case-copy p {
  margin: 0;
  color: var(--graphite);
  font-size: 18px;
  line-height: 1.65;
}

.projects-page--desktop-first .case-layer {
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(360px, .82fr);
  gap: 48px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.projects-page--desktop-first .case-layer--image-right {
  grid-template-columns: minmax(360px, .82fr) minmax(0, .98fr);
}

.projects-page--desktop-first .case-layer--image-right .case-figure {
  order: 2;
}

.projects-page--desktop-first .case-layer--image-right .case-copy {
  order: 1;
}

.projects-page--desktop-first .case-figure {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 20px 48px rgba(37, 37, 62, .08);
}

.projects-page--desktop-first .case-figure img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 430px;
  object-fit: contain;
  object-position: center;
  margin: 0 auto;
  border-radius: 6px;
  background: var(--surface);
}

.projects-page--desktop-first .case-figure--scheme img {
  max-width: 94%;
  max-height: 360px;
  padding: 0;
  background: transparent;
  filter: saturate(.72) brightness(1.08);
}

.projects-page--desktop-first .case-figure--scheme {
  padding: 22px 18px 14px;
  background: linear-gradient(180deg, #f8faf8 0%, #eef4ef 100%);
  box-shadow: 0 16px 36px rgba(37, 37, 62, .05);
}

.projects-page--desktop-first .case-copy .section-kicker {
  margin-bottom: 16px;
}

.projects-page--desktop-first .case-copy .plain-list {
  margin-top: 18px;
}

/* Final mobile adaptation */
@media (max-width: 1040px) {
  html,
  body {
    overflow-x: hidden;
  }

  .topbar-inner {
    width: calc(100% - 32px);
    min-height: 0;
    padding: 12px 0;
  }

  .nav {
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
  }

  .projects-page--desktop-first {
    padding-top: 122px;
  }

  .projects-page--desktop-first > section:not(.projects-hero),
  .projects-page--desktop-first > nav:not(.projects-side-nav) {
    width: calc(100% - 32px);
    margin-right: auto;
    margin-left: auto;
  }

  .projects-page--desktop-first .projects-hero--immersive {
    min-height: 540px;
  }

  .projects-page--desktop-first .projects-hero__inner {
    width: calc(100% - 32px);
    min-height: 540px;
    padding: 48px 0 44px;
  }

  .projects-page--desktop-first .projects-hero h1 {
    max-width: 760px;
    font-size: clamp(38px, 8vw, 58px);
  }

  .projects-page--desktop-first .case-head,
  .projects-page--desktop-first .case-layer,
  .projects-page--desktop-first .case-layer--image-right {
    grid-template-columns: 1fr;
  }

  .projects-page--desktop-first .case-head__logo-panel {
    min-height: 180px;
    padding: 12px 0;
  }

  .projects-page--desktop-first .case-head__logo,
  .projects-page--desktop-first #eaes .case-head__logo,
  .projects-page--desktop-first #reon .case-head__logo,
  .projects-page--desktop-first #mosgorbti .case-head__logo,
  .projects-page--desktop-first #digital-twins .case-head__logo,
  .projects-page--desktop-first #gin .case-head__logo,
  .projects-page--desktop-first #data-factory .case-head__logo {
    max-width: min(360px, 72vw);
    max-height: 170px;
  }

  .projects-page--desktop-first .case-layer--image-right .case-figure,
  .projects-page--desktop-first .case-layer--image-right .case-copy {
    order: initial;
  }

}

@media (max-width: 720px) {
  .topbar-inner {
    width: calc(100% - 28px);
    gap: 10px;
  }

  .brand {
    gap: 10px;
  }

  .brand img:first-child {
    height: 30px;
  }

  .brand img:last-child {
    height: 30px;
  }

  .nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 4px;
  }

  .nav a {
    padding: 8px 7px;
    font-size: 13px;
  }

  .projects-page--desktop-first {
    padding-top: 126px;
  }

  .projects-page--desktop-first > section:not(.projects-hero),
  .projects-page--desktop-first > nav:not(.projects-side-nav) {
    width: calc(100% - 28px);
  }

  .projects-page--desktop-first .projects-hero--immersive {
    min-height: 560px;
  }

  .projects-page--desktop-first .projects-hero--immersive::before {
    background: linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52));
  }

  .projects-page--desktop-first .projects-hero__media img {
    object-position: 62% center;
  }

  .projects-page--desktop-first .projects-hero__inner {
    width: calc(100% - 28px);
    min-height: 560px;
    padding: 44px 0 46px;
  }

  .projects-page--desktop-first .hero-kicker {
    gap: 10px;
    margin-bottom: 14px;
    font-size: 24px;
    line-height: 1.15;
  }

  .projects-page--desktop-first .hero-kicker::before {
    width: 30px;
  }

  .projects-page--desktop-first .projects-hero h1 {
    max-width: 100%;
    font-size: clamp(34px, 11vw, 42px);
    line-height: 1.02;
  }

  .projects-page--desktop-first .projects-hero .hero-lead {
    max-width: 100%;
    margin-top: 20px;
    font-size: 17px;
    line-height: 1.45;
  }

  .projects-page--desktop-first .projects-hero__actions {
    width: 100%;
    gap: 10px;
    margin-top: 28px;
  }

  .projects-page--desktop-first .projects-hero .btn {
    flex: 1 1 calc(50% - 5px);
    width: auto;
    min-height: 50px;
    padding: 0 14px;
    font-size: 14px;
    line-height: 1.15;
    text-align: center;
    white-space: normal;
  }

  .projects-page--desktop-first .case-detail--story {
    margin-top: 52px;
    margin-bottom: 68px;
  }

  .projects-page--desktop-first .case-head {
    gap: 18px;
    margin-bottom: 12px;
  }

  .projects-page--desktop-first .case-head h2 {
    font-size: clamp(30px, 9vw, 38px);
    line-height: 1.08;
  }

  .projects-page--desktop-first .case-head p,
  .projects-page--desktop-first .case-context p,
  .projects-page--desktop-first .case-copy p {
    font-size: 16px;
    line-height: 1.55;
  }

  .projects-page--desktop-first .case-head__logo-panel {
    min-height: 120px;
  }

  .projects-page--desktop-first .case-head__logo,
  .projects-page--desktop-first #eaes .case-head__logo,
  .projects-page--desktop-first #reon .case-head__logo,
  .projects-page--desktop-first #mosgorbti .case-head__logo,
  .projects-page--desktop-first #digital-twins .case-head__logo,
  .projects-page--desktop-first #gin .case-head__logo,
  .projects-page--desktop-first #data-factory .case-head__logo {
    max-width: min(260px, 68vw);
    max-height: 128px;
  }

  .projects-page--desktop-first .case-context {
    padding: 24px 0 30px;
  }

  .projects-page--desktop-first .case-context h3,
  .projects-page--desktop-first .case-layer h3 {
    font-size: 24px;
  }

  .projects-page--desktop-first .case-layer {
    gap: 24px;
    padding: 34px 0;
  }

  .projects-page--desktop-first .case-figure {
    padding: 10px;
    box-shadow: 0 14px 30px rgba(37, 37, 62, .06);
  }

  .projects-page--desktop-first .case-figure img {
    max-height: 310px;
  }

  .projects-page--desktop-first figcaption {
    font-size: 12px;
  }

  .footer {
    width: 100%;
    padding: 24px 18px 28px;
  }

  .footer img {
    height: 36px;
  }

  .footer a {
    max-width: 280px;
    line-height: 1.35;
  }

  .footer-links {
    font-size: 13px;
    line-height: 1.35;
  }
}