:root {
  --ink: #07111f;
  --panel: #0d1a2a;
  --panel-2: #12243a;
  --line: #26364a;
  --text: #eef4fb;
  --muted: #a8b6c6;
  --accent: #c7353e;
  --accent-2: #e7b45a;
  --steel: #7f95aa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }
main {
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7, 17, 31, 0.2), var(--ink) 690px), var(--ink);
}
.hero {
  position: relative;
  min-height: min(820px, 94vh);
  padding: 24px clamp(18px, 4vw, 64px) 96px;
  isolation: isolate;
}
.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(90deg, rgba(7, 17, 31, 0.96), rgba(7, 17, 31, 0.78) 38%, rgba(7, 17, 31, 0.24)),
    linear-gradient(180deg, rgba(7, 17, 31, 0.18), rgba(7, 17, 31, 0.92) 86%),
    url("assets/sis-industrial-hero.png");
  background-position: center top;
  background-size: cover;
}
.hero::after {
  position: absolute;
  right: 0;
  bottom: 46px;
  left: 0;
  z-index: -1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(231, 180, 90, 0.6), transparent);
  content: "";
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand img {
  display: block;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(238, 244, 251, 0.3);
  border-radius: 50%;
  background: #fff;
  padding: 2px;
  object-fit: contain;
}
.brand strong {
  font-size: 0.92rem;
  letter-spacing: 0;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  color: var(--muted);
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--text); }
.hero-content {
  max-width: 760px;
  margin: clamp(120px, 20vh, 190px) auto 0;
  transform: translateX(clamp(-210px, -16vw, 0px));
}
.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(3.2rem, 8vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: 0;
}
.tagline {
  margin-bottom: 20px;
  color: #fff;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
}
.hero-copy,
.lead,
.ecosystem-copy p,
.interest p {
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.72;
}
.hero-copy { max-width: 680px; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(238, 244, 251, 0.28);
  font-weight: 800;
  line-height: 1;
}
.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}
.button.secondary {
  background: rgba(7, 17, 31, 0.46);
  color: #fff;
}
.button:hover { transform: translateY(-1px); }
.band,
.interest,
footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}
.band {
  padding: 82px 0;
  border-top: 1px solid var(--line);
}
.intro,
.ecosystem {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 5vw, 72px);
}
.section-text h2 {
  max-width: 620px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}
.lead {
  max-width: 780px;
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}
.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 40px;
  background: var(--line);
  border: 1px solid var(--line);
}
.focus-grid article {
  min-height: 210px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent), var(--panel);
}
.focus-grid h3,
.benefit-grid h3,
.interest h2 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 1.08rem;
  line-height: 1.18;
}
.focus-grid p,
.benefit-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(28px, 5vw, 72px);
}
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.benefit-grid article {
  padding: 24px;
  border-left: 3px solid var(--accent);
  background: rgba(18, 36, 58, 0.72);
}
.org-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.org-list span {
  padding: 9px 12px;
  border: 1px solid rgba(127, 149, 170, 0.35);
  background: rgba(255, 255, 255, 0.035);
  color: #d9e4ef;
  font-size: 0.92rem;
}
.interest {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--line);
}
.interest article {
  padding: clamp(30px, 5vw, 54px);
  background: linear-gradient(135deg, rgba(199, 53, 62, 0.14), transparent 38%), var(--panel-2);
}
.interest .button { margin-top: 14px; }
.form-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(28px, 5vw, 72px);
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 82px 0;
  border-top: 1px solid var(--line);
}
.form-section .section-text p:last-child {
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.72;
}
.form-embed {
  min-height: 520px;
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid rgba(238, 244, 251, 0.18);
  background: #f8fafc;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
}
.form-note {
  display: grid;
  min-height: 420px;
  place-items: center;
  margin: 0;
  border: 1px dashed rgba(238, 244, 251, 0.28);
  color: var(--muted);
  text-align: center;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 0 44px;
  color: var(--steel);
  font-size: 0.92rem;
}
footer strong { color: #fff; }

@media (max-width: 940px) {
  .hero { min-height: 820px; }
  .hero-content {
    margin-top: 44px;
    transform: none;
  }
  .intro,
  .split,
  .ecosystem,
  .interest,
  .form-section {
    grid-template-columns: 1fr;
  }
  .focus-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .hero {
    min-height: 760px;
    padding-inline: 18px;
  }
  .nav { align-items: flex-start; }
  .brand strong { display: none; }
  .nav-links { gap: 12px; }
  h1 { font-size: clamp(3rem, 17vw, 4.7rem); }
  .focus-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }
  .focus-grid article { min-height: auto; }
  footer { flex-direction: column; }
}