:root {
  --paper: #f7f7f6;
  --mist: #e6e8eb;
  --ink: #2b2f36;
  --deep: #0e3a4d;
  --steel: #8fa3b3;
  --line: rgba(43, 47, 54, 0.14);
  --soft-shadow: 0 22px 70px rgba(43, 47, 54, 0.11);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Manrope, Inter, ui-sans-serif, 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;
}

.section-shell {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 86px;
  padding: 14px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(247, 247, 246, 0.88);
  border-bottom: 1px solid rgba(43, 47, 54, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(188px, 20vw, 286px);
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 36px);
  color: rgba(43, 47, 54, 0.78);
  font-size: 0.98rem;
  font-weight: 500;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--deep);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span + span {
  margin-top: 5px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(36px, 8vw, 96px);
  min-height: calc(100svh - 150px);
  padding: clamp(54px, 7vw, 96px) 0 clamp(48px, 6vw, 72px);
}

.hero::after {
  position: absolute;
  right: -8vw;
  bottom: 22px;
  width: min(420px, 42vw);
  height: min(320px, 34vw);
  background-image: radial-gradient(rgba(143, 163, 179, 0.58) 1.4px, transparent 1.4px);
  background-size: 26px 26px;
  content: "";
  opacity: 0.55;
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(4.2rem, 9vw, 8.6rem);
  font-weight: 500;
  line-height: 0.92;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4.4vw, 4rem);
  font-weight: 500;
  line-height: 1.06;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.24;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 34px;
  color: rgba(43, 47, 54, 0.74);
  font-size: clamp(1.12rem, 1.8vw, 1.36rem);
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: var(--deep);
  box-shadow: 0 14px 28px rgba(14, 58, 77, 0.22);
}

.button-secondary {
  border: 1px solid rgba(14, 58, 77, 0.22);
  color: var(--deep);
  background: rgba(255, 255, 255, 0.62);
}

.hero-visual {
  position: relative;
  min-height: min(540px, 48vw);
}

.hero-visual img {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(480px, 92%);
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 30px 48px rgba(43, 47, 54, 0.12));
}

.signal {
  position: absolute;
  border: 1px solid rgba(14, 58, 77, 0.22);
  border-radius: 999px;
  animation: pulse 3.6s ease-in-out infinite;
}

.signal-one {
  right: 5%;
  top: 7%;
  width: 82px;
  height: 82px;
}

.signal-two {
  right: 10%;
  bottom: 16%;
  width: 36px;
  height: 36px;
  animation-delay: 0.6s;
}

.signal-three {
  left: 7%;
  bottom: 24%;
  width: 58px;
  height: 58px;
  animation-delay: 1.1s;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.85;
  }
}

.intro-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(230, 232, 235, 0.52), rgba(247, 247, 246, 0.92));
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  padding: 28px 0;
}

.intro-grid p {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(43, 47, 54, 0.72);
  font-size: 1.08rem;
}

.intro-stat {
  display: grid;
  gap: 3px;
  min-width: 250px;
  padding-left: 30px;
  border-left: 1px solid rgba(14, 58, 77, 0.24);
}

.intro-stat span {
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intro-stat strong {
  color: var(--deep);
  font-size: 1.22rem;
}

.section-block {
  padding: clamp(72px, 10vw, 128px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) minmax(0, 0.9fr);
  gap: clamp(26px, 6vw, 72px);
  align-items: start;
  margin-bottom: clamp(36px, 7vw, 72px);
}

.section-heading.compact {
  max-width: 900px;
  grid-template-columns: 1fr;
  gap: 0;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.solution-card {
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: 0 14px 40px rgba(43, 47, 54, 0.05);
}

.card-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 44px;
  place-items: center;
  border: 1px solid rgba(14, 58, 77, 0.18);
  border-radius: 50%;
  color: var(--deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.solution-card p,
.application-list p,
.timeline-step p,
.about-copy p,
.contact-copy p {
  color: rgba(43, 47, 54, 0.68);
}

.process-band {
  padding: clamp(72px, 10vw, 128px) 0;
  background: var(--ink);
  color: var(--paper);
}

.process-band .eyebrow,
.process-band h2,
.process-band h3 {
  color: var(--paper);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 96px);
}

.split-section .section-heading {
  display: block;
  margin-bottom: 0;
}

.application-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(247, 247, 246, 0.18);
}

.application-list article {
  display: grid;
  grid-template-columns: minmax(190px, 0.45fr) minmax(0, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(247, 247, 246, 0.18);
}

.application-list p {
  margin-bottom: 0;
  color: rgba(247, 247, 246, 0.7);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline-step {
  position: relative;
  padding: 30px 28px 10px 0;
}

.timeline-step::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--deep);
  content: "";
}

.timeline-step span {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 800;
}

.about-band {
  padding: clamp(68px, 9vw, 110px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 86% 18%, rgba(143, 163, 179, 0.2), transparent 28%),
    var(--mist);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.62fr);
  gap: clamp(36px, 7vw, 86px);
}

.about-copy p {
  font-size: 1.04rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.48fr);
  gap: clamp(34px, 8vw, 96px);
  align-items: end;
  padding: clamp(72px, 10vw, 128px) 0;
}

.contact-copy h2 {
  margin-bottom: 26px;
}

.contact-copy p {
  max-width: 700px;
  margin-bottom: 0;
  font-size: 1.08rem;
}

.contact-panel {
  display: grid;
  gap: 18px;
  padding: 30px;
  border: 1px solid rgba(14, 58, 77, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--soft-shadow);
}

.contact-panel a {
  color: var(--deep);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-panel span {
  color: rgba(43, 47, 54, 0.72);
}

.site-footer {
  border-top: 6px solid var(--deep);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 104px;
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-inner img {
  width: 220px;
}

@media (max-width: 980px) {
  .section-shell {
    width: min(100% - 32px, var(--max));
  }

  .site-header {
    min-height: 76px;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 16px;
    left: 16px;
    display: grid;
    gap: 2px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(247, 247, 246, 0.96);
    box-shadow: var(--soft-shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 13px 4px;
  }

  .hero,
  .split-section,
  .about-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .intro-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .intro-stat {
    padding-top: 22px;
    padding-left: 0;
    border-top: 1px solid rgba(14, 58, 77, 0.2);
    border-left: 0;
  }

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

  .application-list article {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 620px) {
  .brand {
    width: 190px;
  }

  h1 {
    font-size: clamp(3.4rem, 18vw, 5.4rem);
  }

  h2 {
    font-size: clamp(1.84rem, 10vw, 2.65rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero {
    gap: 18px;
    padding-top: 42px;
    padding-bottom: 24px;
  }

  .hero-visual {
    min-height: 214px;
  }

  .hero-visual img {
    width: min(265px, 82%);
  }

  .solution-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: 0;
  }

  .card-icon,
  .timeline-step span {
    margin-bottom: 24px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 24px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}