:root {
  --zenit-black: #000000;
  --zenit-carbon: #0B0B0B;
  --zenit-lime: #D7FF2F;
  --zenit-silver: #C8C8C8;
  --zenit-gray: #777C84;
  --zenit-white: #F2F2F2;
  --zenit-border: #1A1A1A;
  --container: 1160px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--zenit-black);
  color: var(--zenit-white);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--zenit-lime);
  outline-offset: 4px;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.88);
  border-bottom: 1px solid var(--zenit-border);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 112px;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 380px;
  min-height: 90px;
}

.brand-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}

.brand-title,
.footer-logo span {
  color: var(--zenit-white);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 1.15rem;
}

.brand-subtitle {
  color: var(--zenit-silver);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 210px;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--zenit-silver);
  font-size: 1rem;
}

.site-nav > a,
.dropdown-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--zenit-silver);
  background: transparent;
  cursor: pointer;
}

.site-nav > a:hover,
.dropdown-toggle:hover,
.nav-dropdown.is-open .dropdown-toggle {
  color: var(--zenit-lime);
  border-color: rgba(215, 255, 47, 0.35);
  background: var(--zenit-carbon);
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  display: grid;
  min-width: 280px;
  padding: 10px;
  background: var(--zenit-carbon);
  border: 1px solid var(--zenit-border);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  padding: 12px;
  color: var(--zenit-silver);
  border-radius: 6px;
}

.dropdown-menu a:hover {
  color: var(--zenit-white);
  background: #000000;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--zenit-border);
  border-radius: var(--radius);
  background: var(--zenit-carbon);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--zenit-white);
}

.section {
  padding: 104px 0;
}

.section-dark {
  background: var(--zenit-black);
}

.section-panel {
  background: var(--zenit-carbon);
  border-top: 1px solid var(--zenit-border);
  border-bottom: 1px solid var(--zenit-border);
}

.hero {
  position: relative;
  min-height: calc(100svh - 112px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: 18px;
  min-height: calc(100svh - 112px);
  padding: 28px 0 30px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
  width: 100%;
  justify-self: stretch;
  align-self: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--zenit-lime);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 1.08;
  font-weight: 650;
}

h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(2.5rem, 4.8vw, 4.15rem);
  line-height: 1.01;
  letter-spacing: 0;
}

h1 span,
h2 span {
  display: block;
  color: var(--zenit-silver);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.2rem;
  line-height: 1.25;
}

.hero-text {
  max-width: 720px;
  color: var(--zenit-silver);
  font-size: clamp(1rem, 1.55vw, 1.14rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.button-primary {
  background: var(--zenit-lime);
  color: var(--zenit-black);
}

.button-secondary {
  border-color: var(--zenit-gray);
  color: var(--zenit-white);
  background: transparent;
}

.button:hover {
  transform: translateY(-1px);
}

.hero-media {
  position: relative;
  order: -1;
  min-height: 520px;
  overflow: hidden;
  align-self: center;
}

.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: none;
  opacity: 0.72;
  filter: contrast(1.08);
}

.split-section,
.contact-grid,
.service-page-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: start;
}

.section-rule {
  width: 150px;
  height: 18px;
  margin: 22px 0 26px;
  object-fit: contain;
  object-position: left center;
  opacity: 0.82;
}

.hero-rule {
  margin: 0 0 24px;
}

.copy-block {
  max-width: 660px;
  color: var(--zenit-silver);
  font-size: 1.08rem;
}

.copy-block p:last-child,
.value-block p:last-child,
.contact-copy p:last-child {
  margin-bottom: 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 48px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading p,
.process-description,
.value-block p,
.contact-copy p,
.service-description,
.service-message p {
  color: var(--zenit-silver);
  font-size: 1.06rem;
}

.problem-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}

.problem-copy {
  max-width: 760px;
  display: grid;
  gap: 22px;
}

.problem-heading {
  max-width: none;
  margin-bottom: 48px;
}

.problem-quote {
  position: relative;
  margin: 0;
  padding: 26px 28px 24px 32px;
  background: linear-gradient(180deg, rgba(11, 11, 11, 0.96), rgba(5, 5, 5, 0.92));
  border: 1px solid rgba(215, 255, 47, 0.2);
  border-left: 3px solid var(--zenit-lime);
  border-radius: var(--radius);
}

.problem-quote::before {
  content: "\"";
  position: absolute;
  top: 10px;
  left: 16px;
  color: rgba(215, 255, 47, 0.9);
  font-size: 3.2rem;
  line-height: 1;
  font-family: Georgia, "Times New Roman", serif;
}

.problem-quote p {
  margin: 0;
  padding-left: 24px;
  color: var(--zenit-white);
  font-size: 1.34rem;
  line-height: 1.48;
}

.problem-lead {
  color: var(--zenit-white);
  font-size: 1.35rem;
  line-height: 1.45;
}

.problem-copy p:last-child {
  margin-bottom: 0;
  color: var(--zenit-silver);
  font-size: 1.04rem;
}

.problem-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.problem-list li {
  min-height: 92px;
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 18px;
  padding: 14px 18px 14px 14px;
  background: rgba(11, 11, 11, 0.82);
  border: 1px solid rgba(215, 255, 47, 0.14);
  border-radius: 8px;
}

.problem-item-media {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(215, 255, 47, 0.22);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.9);
  overflow: hidden;
}

.problem-item-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.problem-item-label {
  color: var(--zenit-white);
  font-size: 1.08rem;
  line-height: 1.35;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card,
.service-message,
.contact-form {
  background: var(--zenit-carbon);
  border: 1px solid var(--zenit-border);
  border-radius: var(--radius);
}

.service-card {
  position: relative;
  min-height: 306px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("public/assets/brand/resources/ZENIT_resource_07_card_frame_dark.svg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  opacity: 0.18;
  pointer-events: none;
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-card p {
  color: var(--zenit-silver);
}

.service-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: auto;
  min-height: 42px;
  width: fit-content;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--zenit-lime);
  color: var(--zenit-black);
  font-weight: 700;
  line-height: 1;
}

.service-card a::after {
  content: ">";
  color: var(--zenit-black);
  font-size: 0.95rem;
  font-weight: 800;
}

.card-index,
.process-number {
  color: var(--zenit-lime);
  font-family: "IBM Plex Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
}

.card-index {
  margin-bottom: 42px;
}

.process-heading {
  max-width: 920px;
  margin-bottom: 54px;
}

.process-heading h2 {
  margin-bottom: 0;
}

.process-description {
  max-width: 780px;
  margin: 0;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  background: transparent;
  border: 0;
}

.process-list li {
  position: relative;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  text-align: center;
  background: transparent;
  color: var(--zenit-white);
  font-weight: 700;
}

.process-list li:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 14px;
  left: calc(50% + 44px);
  width: calc(100% - 88px);
  height: 30px;
  background-image: url("public/assets/brand/resources/ZENIT_resource_09_minimal_arrow.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  opacity: 0.92;
}

.process-icon {
  width: 92px;
  height: 92px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 2px solid var(--zenit-lime);
  border-radius: 50%;
  background: var(--zenit-black);
}

.process-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.process-list strong {
  max-width: 170px;
  font-size: 1.08rem;
  line-height: 1.45;
  font-weight: 500;
}

.process-number {
  margin-bottom: 2px;
  font-size: 0.92rem;
}

.value-section {
  padding: 132px 0;
}

.value-block {
  max-width: 900px;
}

.value-block h2 {
  margin-bottom: 28px;
}

.contact-section {
  background: var(--zenit-carbon);
  border-top: 1px solid var(--zenit-border);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.social-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  color: var(--zenit-silver);
  font-weight: 700;
}

.social-link:hover {
  color: var(--zenit-white);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 24px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-full,
.form-footer {
  grid-column: 1 / -1;
}

label {
  color: var(--zenit-white);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--zenit-border);
  border-radius: var(--radius);
  background: #000000;
  color: var(--zenit-white);
  padding: 13px 14px;
}

textarea {
  resize: vertical;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.form-footer p {
  margin: 0;
  color: var(--zenit-gray);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--zenit-border);
  padding: 34px 0;
  background: var(--zenit-black);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--zenit-gray);
  font-size: 0.94rem;
}

.footer-logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a:hover {
  color: var(--zenit-white);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.service-main {
  min-height: calc(100vh - 147px);
}

.service-hero {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 147px);
}

.service-page-grid h1 {
  font-size: clamp(3rem, 7vw, 6rem);
}

.service-description {
  max-width: 720px;
}

.service-message {
  padding: 32px;
}

.service-message .button {
  margin-top: 16px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 78px 0 auto;
    display: none;
    max-height: calc(100vh - 78px);
    overflow-y: auto;
    padding: 20px;
    background: var(--zenit-black);
    border-bottom: 1px solid var(--zenit-border);
  }

  .site-nav.is-open {
    display: grid;
    align-items: stretch;
    gap: 8px;
  }

  .site-nav > a,
  .dropdown-toggle {
    justify-content: space-between;
    width: 100%;
    min-height: 50px;
    padding: 0 14px;
    border-color: var(--zenit-border);
    background: var(--zenit-carbon);
  }

  .dropdown-menu {
    position: static;
    display: none;
    min-width: 0;
    margin-top: 8px;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dropdown.is-open .dropdown-menu {
    display: grid;
  }

  .hero-grid,
  .split-section,
  .contact-grid,
  .service-page-grid,
  .problem-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    gap: 24px;
    min-height: 0;
    padding: 34px 0 44px;
  }

  .hero-media {
    min-height: 320px;
  }

  .hero-media img {
    object-fit: contain;
    object-position: center;
    transform: none;
    opacity: 0.58;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li {
    min-height: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 12px 18px;
    padding: 0 0 18px;
    text-align: left;
  }

  .process-icon {
    grid-row: span 2;
    margin-bottom: 0;
    width: 72px;
    height: 72px;
  }

  .process-icon img {
    width: 34px;
    height: 34px;
  }

  .process-list li::before {
    display: none;
  }

  .process-list strong {
    max-width: none;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 76px 0;
  }

  .header-inner {
    min-height: 88px;
  }

  .site-nav {
    inset: 88px 0 auto;
  }

  .brand-link {
    min-width: 0;
    min-height: 64px;
    gap: 10px;
  }

  .brand-logo {
    width: 56px;
    height: 56px;
  }

  .brand-title {
    font-size: 0.98rem;
  }

  .brand-subtitle {
    font-size: 0.66rem;
  }

  h1 {
    font-size: 2.3rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .hero-actions,
  .contact-links,
  .form-footer,
  .footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .problem-list,
  .services-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .card-index {
    margin-bottom: 24px;
  }
}