:root {
  --bg: #07111d;
  --bg-2: #0d1b2a;
  --bg-3: #0f2437;
  --surface: #ffffff;
  --surface-2: #f3f7fb;
  --surface-3: #e8eef5;
  --text: #132334;
  --text-soft: #5e6d7c;
  --line: rgba(14, 31, 53, 0.10);
  --accent: #0f7bc4;
  --accent-2: #17a1d8;
  --accent-soft: rgba(23, 161, 216, 0.10);
  --white-soft: rgba(255,255,255,0.72);
  --shadow: 0 20px 50px rgba(6, 19, 34, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: min(1180px, calc(100% - 32px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--surface-2);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 92px 0; }
.section-light { background: var(--surface-2); }
.section-dark {
  color: #fff;
  background:
    linear-gradient(180deg, rgba(7,17,29,0.96), rgba(12,29,47,0.96)),
    radial-gradient(circle at top right, rgba(23,161,216,0.22), transparent 28%);
}
.section-kicker,
.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 800;
  color: var(--accent);
}
.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}
.section-heading-dark .section-kicker { color: #7fd8ff; }
.section-heading p:last-child { color: var(--text-soft); }
.section-heading-dark p:last-child { color: var(--white-soft); }

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
h3 {
  font-size: 1.12rem;
  line-height: 1.2;
  margin-bottom: 10px;
}
p { margin-bottom: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7,17,29,0.84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}
.brand-copy {
  display: grid;
  gap: 1px;
  color: #fff;
}
.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.01em;
}
.brand-copy span {
  font-size: .78rem;
  color: rgba(255,255,255,0.64);
  text-transform: uppercase;
  letter-spacing: .12em;
}
nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
nav a {
  color: rgba(255,255,255,0.82);
  font-size: .96rem;
}
nav a:hover { color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 35px rgba(15, 123, 196, 0.26);
}
.btn-secondary {
  color: #fff;
  border-color: rgba(255,255,255,0.20);
  background: rgba(255,255,255,0.04);
}
.btn-nav {
  min-height: 42px;
  padding: 0 18px;
  color: #fff;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 18%, rgba(23,161,216,0.18), transparent 20%),
    radial-gradient(circle at 16% 10%, rgba(15,123,196,0.16), transparent 24%),
    linear-gradient(180deg, #08121e 0%, #0a1625 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(243,247,251,0), var(--surface-2));
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 34px;
  padding: 86px 0 104px;
}
.lead {
  max-width: 62ch;
  color: var(--white-soft);
  font-size: 1.06rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-points span {
  padding: 11px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.90);
  font-size: .93rem;
}
.hero-visual {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
}
.hero-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-card-main {
  grid-row: span 2;
  min-height: 520px;
}
.hero-card-small {
  min-height: 250px;
}

.intro-strip {
  background: var(--surface);
  padding: 0 0 24px;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
  margin-top: -42px;
  position: relative;
  z-index: 2;
}
.strip-grid article {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.strip-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
}
.strip-grid p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.solution-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.solution-card-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
}
.solution-card img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}
.solution-copy {
  padding: 24px;
}
.solution-copy p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}
.sectors-grid article {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.sectors-grid p {
  margin-bottom: 0;
  color: var(--white-soft);
}

.project-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 20px;
}
.project-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.project-card-wide {
  grid-column: span 1;
}
.project-card img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}
.project-card figcaption {
  display: grid;
  gap: 8px;
  padding: 20px;
}
.project-card figcaption span {
  color: var(--text-soft);
}

.cta-section {
  background: var(--surface-3);
}
.cta-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 38px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(7,17,29,1), rgba(15,36,55,0.95)),
    radial-gradient(circle at top right, rgba(23,161,216,0.18), transparent 24%);
  color: #fff;
  box-shadow: var(--shadow);
}
.cta-box p:last-child {
  margin-bottom: 0;
  color: var(--white-soft);
}
.cta-box .section-kicker { color: #7fd8ff; }

.contact-section {
  background: var(--surface);
}
.contact-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 24px;
  align-items: start;
}
.contact-copy p:not(.section-kicker) {
  color: var(--text-soft);
}
.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.contact-list a,
.contact-list span {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--line);
}
.contact-form {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(14,31,53,0.12);
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  color: var(--text);
  background: #fff;
  resize: vertical;
}

.site-footer {
  background: #08121e;
  color: rgba(255,255,255,0.78);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer-inner div {
  display: grid;
  gap: 4px;
}
.footer-inner span {
  color: rgba(255,255,255,0.58);
  font-size: .88rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer-inner p {
  margin: 0;
}

@media (max-width: 1100px) {
  .hero-grid,
  .contact-grid,
  .cta-box,
  .solution-card-large {
    grid-template-columns: 1fr;
  }

  .strip-grid,
  .sectors-grid,
  .project-grid,
  .solutions-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .solution-card-large {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .section { padding: 72px 0; }
  nav,
  .btn-nav { display: none; }

  .hero-grid,
  .hero-visual,
  .strip-grid,
  .solutions-grid,
  .sectors-grid,
  .project-grid,
  .contact-grid,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .hero-card-main,
  .hero-card-small,
  .project-card img,
  .solution-card img {
    min-height: auto;
  }

  .solution-card-large {
    grid-column: span 1;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}