:root {
  --bg: #ffffff;
  --bg-alt: #f5f3ee;
  --text: #2e2e2e;
  --steel: #a6a6a6;
  --olive: #b5a36c;
  --accent: #d72638;
  --max-width: 1180px;
  --radius: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--olive);
  outline-offset: 2px;
}

p {
  margin: 0;
}

.container {
  width: min(93%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.3rem);
  font-weight: 600;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 600;
}

h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
  margin-top: 0.75rem;
}

h3 {
  font-size: 1.4rem;
  font-weight: 600;
}

.lead {
  font-size: 1.1rem;
  color: rgba(46, 46, 46, 0.85);
}

.muted {
  color: var(--steel);
}

.btn-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(215, 38, 56, 0.16);
}

.btn-primary:hover {
  background: #b51b2b;
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(215, 38, 56, 0.08);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header {
  width: 100%;
  padding: 1.2rem 0;
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(7px);
}

.site-header.is-top {
  background: rgba(255, 255, 255, 0.58);
}

.site-header.is-scrolled {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(93%, var(--max-width));
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.logo img {
  width: 44px;
  height: auto;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.35rem;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -8px;
}

.nav-toggle span::after {
  top: 8px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span::after {
  transform: translateY(-8px) rotate(-45deg);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  border-color: rgba(166, 166, 166, 0.6);
}

.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav {
  margin-left: auto;
}

nav a {
  font-weight: 500;
  color: var(--text);
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

nav a:hover::after,
nav a:focus-visible::after,
nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  padding: 6.5rem 0 4.5rem;
  background:
    linear-gradient(120deg, rgba(166, 166, 166, 0.12), transparent 55%),
    var(--bg);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr);
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.hero img {
  width: 100%;
  max-width: 700px;
  margin-left: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.stack {
  display: grid;
  gap: 1.5rem;
}

.card-light {
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--bg-alt);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(166, 166, 166, 0.45);
  position: relative;
  overflow: hidden;
}

.card-light::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, rgba(215, 38, 56, 0.55), rgba(215, 38, 56, 0.3));
}

.media {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
}

.media.reverse {
  direction: rtl;
  text-align: left;
}

.media.reverse > * {
  direction: ltr;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.8rem;
}

.capability-card {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.capability-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, rgba(215, 38, 56, 0.9), rgba(215, 38, 56, 0.6));
  color: #ffffff;
}

.capability-icon svg {
  width: 42px;
  height: 42px;
}

.capability-card p {
  font-size: 0.95rem;
  color: rgba(46, 46, 46, 0.8);
}

.media img {
  box-shadow: 0 20px 40px rgba(166, 166, 166, 0.25);
}

.service-points {
  margin-top: 1rem;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.4rem;
  color: rgba(46, 46, 46, 0.85);
}

.service-points li {
  line-height: 1.5;
}

.divider {
  height: 1px;
  background: rgba(181, 163, 108, 0.35);
  margin: 3rem 0;
}

.timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: space-between;
}

.timeline-step {
  flex: 1 1 200px;
  position: relative;
  padding: 1.8rem 1.6rem 1.6rem 2.6rem;
  background: #ffffff;
  border-radius: var(--radius);
  border-left: 4px solid rgba(215, 38, 56, 0.8);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.07);
}

.timeline-step::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 1.8rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(215, 38, 56, 0.18);
}

.highlight {
  color: var(--accent);
  font-weight: 600;
}

.workflow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  margin-top: 2.5rem;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--steel);
}

.workflow-steps span {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.workflow-steps span::after {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--steel);
}

.workflow-steps span:last-child::after {
  display: none;
}

.workflow-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2.5rem;
}

.workflow-card {
  background: #ffffff;
  border: 1px solid rgba(166, 166, 166, 0.35);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
  display: grid;
  gap: 0.75rem;
}

.workflow-card h3 {
  margin: 0;
}

.workflow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(215, 38, 56, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
}

.section-alt {
  background: var(--bg-alt);
}

.section-steel {
  background: linear-gradient(180deg, rgba(166, 166, 166, 0.12), transparent 75%);
}

.section-accent {
  position: relative;
  background: linear-gradient(180deg, rgba(166, 166, 166, 0.1), transparent 70%);
}

.section-accent::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(215, 38, 56, 0.18), transparent 22%),
    linear-gradient(90deg, transparent 78%, rgba(215, 38, 56, 0.14));
  opacity: 0.18;
  pointer-events: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: rgba(181, 163, 108, 0.15);
  color: var(--olive);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.machine-list {
  display: grid;
  gap: 2.5rem;
}

.machine {
  padding-top: 2rem;
  border-top: 1px solid rgba(181, 163, 108, 0.45);
}

.machine .pill {
  background: rgba(215, 38, 56, 0.12);
  color: var(--accent);
}

.machine:first-child {
  border-top: none;
  padding-top: 0;
}

.machine h3 {
  margin-bottom: 0.35rem;
}

.machine p {
  margin-bottom: 0.75rem;
}

.machine-meta {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.machine-meta strong {
  font-weight: 600;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.toolbar input {
  flex: 1 1 240px;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(166, 166, 166, 0.6);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.toolbar input:focus {
  border-color: var(--olive);
  box-shadow: 0 0 0 4px rgba(181, 163, 108, 0.25);
}

.filter-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-btn {
  border: 1px solid rgba(166, 166, 166, 0.6);
  background: #ffffff;
  padding: 0.5rem 1.3rem;
  border-radius: 999px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.fade-group {
  transition: opacity 0.25s ease;
}

.fade-group.is-updating {
  opacity: 0.35;
}

.projects-grid {
  display: grid;
  gap: 3rem;
}

.project-card {
  background: #ffffff;
  border: 1px solid rgba(166, 166, 166, 0.4);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: grid;
  gap: 1.8rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: linear-gradient(180deg, rgba(215, 38, 56, 0.65), rgba(215, 38, 56, 0.28));
  pointer-events: none;
}

.project-visual {
  display: flex;
  justify-content: flex-start;
}

.project-visual img {
  width: min(75%, 640px);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.project-details {
  display: grid;
  gap: 1.5rem;
}

.project-meta {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.project-meta-block {
  display: grid;
  gap: 0.4rem;
}

.project-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

.project-points {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  color: rgba(46, 46, 46, 0.85);
}

.project-points li {
  line-height: 1.5;
}

.project-card h3::after {
  display: none;
}

.contact-card {
  background: #ffffff;
  border: 1px solid rgba(166, 166, 166, 0.3);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: grid;
  gap: 2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

.contact-card address {
  font-style: normal;
  display: grid;
  gap: 0.5rem;
  color: rgba(46, 46, 46, 0.85);
}

.map-frame {
  border: 0;
  width: 100%;
  min-height: 280px;
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(181, 163, 108, 0.3);
  padding: 2.5rem 0 2rem;
  margin-top: 4rem;
  color: rgba(46, 46, 46, 0.8);
}

.footer-inner {
  width: min(93%, var(--max-width));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: center;
}

.footer-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.social {
  display: flex;
  gap: 1rem;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .hero-grid,
  .media {
    grid-template-columns: 1fr;
  }

  .hero img {
    margin: 0 auto;
  }

  .project-visual img {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 75vw);
    background: #ffffff;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
    padding: 6rem 2rem 2rem;
  }

  nav.is-open {
    transform: translateX(0);
  }

  nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .header-inner {
    position: relative;
    z-index: 101;
  }

  .lang-switcher {
    margin-left: auto;
    gap: 0.35rem;
  }

  .lang-btn {
    padding: 0.3rem 0.65rem;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 3.5rem 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    gap: 2.5rem;
  }

  .project-card {
    padding: 2rem;
  }

  .project-meta {
    grid-template-columns: 1fr;
  }

  .workflow-steps span::after {
    width: 18px;
  }
}

@media (max-width: 540px) {
  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
  }

  .filter-btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .project-card {
    padding: 1.6rem;
  }

  .project-visual img {
    width: 100%;
  }
}