:root {
  --white: #fafbfc;
  --bg: #f0f4f8;
  --bg-dark: #0c1929;
  --surface: #ffffff;
  --navy: #1b3a5c;
  --navy-dark: #0f2744;
  --blue: #2563eb;
  --sky: #38bdf8;
  --sky-light: #e0f2fe;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-dark: #1e3a5f;
  --shadow: 0 1px 3px rgba(15, 39, 68, 0.06), 0 8px 24px rgba(15, 39, 68, 0.08);
  --shadow-lg: 0 4px 12px rgba(15, 39, 68, 0.1), 0 24px 48px rgba(15, 39, 68, 0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --ease: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--ease);
}

a:hover { color: var(--navy); }

.container {
  width: min(100% - 2rem, 1140px);
  margin-inline: auto;
}

/* ── Top bar ── */
.topbar {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
}

/* ── Header ── */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover { color: var(--text); }

.logo__mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--white);
  letter-spacing: 0.06em;
}

.logo__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.logo__sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 2rem; }

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width var(--ease);
}

.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.35rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--ease);
  text-decoration: none;
  font-family: inherit;
}

.btn--fill {
  background: var(--blue);
  color: var(--white);
}

.btn--fill:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn--white {
  background: var(--white);
  color: var(--navy);
}

.btn--white:hover {
  background: var(--sky-light);
  color: var(--navy);
}

.nav__burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem;
  color: var(--text);
  cursor: pointer;
}

/* ── Hero ── */
.hero {
  position: relative;
  padding-block: 4.5rem 5rem;
  overflow: hidden;
  background: var(--surface);
}

.hero__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(37, 99, 235, 0.07), transparent),
    radial-gradient(500px 350px at 10% 80%, rgba(56, 189, 248, 0.06), transparent);
}

.hero__layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: end;
}

.hero__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw + 0.5rem, 4rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--navy);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero__title span {
  background: linear-gradient(90deg, var(--blue), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 50ch;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.hero__contact-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.15rem;
}

.hero__contact-value {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.hero__contact-value a { color: var(--text); }
.hero__contact-value a:hover { color: var(--blue); }

.hero__card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.hero__card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
}

.hero__card-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky);
}

.hero__pill {
  padding: 0.25rem 0.7rem;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6ee7b7;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.hero__stat-label {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.15rem;
}

.hero__sectors {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero__sector-tag {
  padding: 0.3rem 0.65rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 999px;
  font-size: 0.68rem;
  color: var(--sky);
  letter-spacing: 0.02em;
}

/* ── Sectors strip ── */
.strip {
  background: var(--navy);
  padding-block: 1.25rem;
  overflow: hidden;
}

.strip__track {
  display: flex;
  gap: 3rem;
  animation: marquee 28s linear infinite;
  width: max-content;
}

.strip__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.strip__item::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sky);
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Section ── */
.section { padding-block: 5rem; }
.section--white { background: var(--surface); }
.section--gray { background: var(--bg); }

.section-head {
  margin-bottom: 3rem;
}

.section-head--center {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.35rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Services list ── */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-row {
  display: grid;
  grid-template-columns: 60px 1fr 2fr auto;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--ease);
}

.service-row:first-child { border-top: 1px solid var(--border); }

.service-row:hover {
  background: rgba(37, 99, 235, 0.03);
  padding-inline: 1rem;
  margin-inline: -1rem;
  border-radius: var(--radius);
}

.service-row__num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--sky-light);
  background: linear-gradient(135deg, var(--blue), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  padding-top: 0.15rem;
}

.service-row__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.service-row__code {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.4;
}

.service-row__text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.service-row__arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-light);
  transition: all var(--ease);
  flex-shrink: 0;
  align-self: center;
}

.service-row:hover .service-row__arrow {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  transform: translateX(3px);
}

/* ── About split ── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-split__text p {
  color: var(--text-muted);
  margin-bottom: 1.15rem;
  line-height: 1.75;
}

.about-split__text p:last-child { margin-bottom: 0; }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.info-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  transition: box-shadow var(--ease);
}

.info-cell:hover { box-shadow: var(--shadow); }

.info-cell__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}

.info-cell__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.4;
}

.info-cell--accent {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-color: transparent;
  grid-column: span 2;
}

.info-cell--accent .info-cell__label { color: rgba(255, 255, 255, 0.6); }
.info-cell--accent .info-cell__value { color: var(--white); font-size: 1.05rem; }

/* ── Contact banner ── */
.contact-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 60%, #0a2540 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15), transparent 70%);
  pointer-events: none;
}

.contact-banner__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw + 0.5rem, 2rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
}

.contact-banner__desc {
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.75rem;
  line-height: 1.7;
  position: relative;
}

.contact-banner__grid {
  display: grid;
  gap: 1.25rem;
  position: relative;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-item__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: grid;
  place-items: center;
  color: var(--sky);
  flex-shrink: 0;
}

.contact-item__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 0.15rem;
}

.contact-item__value {
  font-size: 0.95rem;
  color: var(--white);
}

.contact-item__value a { color: var(--white); }
.contact-item__value a:hover { color: var(--sky); }

/* ── Footer ── */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.55);
  padding-block: 2.5rem;
  font-size: 0.82rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.footer__brand-desc {
  line-height: 1.65;
  max-width: 380px;
}

.footer__col-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 0.85rem;
}

.footer__col p { margin-bottom: 0.35rem; }
.footer__col a { color: rgba(255, 255, 255, 0.65); }
.footer__col a:hover { color: var(--sky); }

.footer__bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ── Reveal ── */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero__layout { grid-template-columns: 1fr; }
  .hero__card { order: -1; }
  .about-split { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-banner { grid-template-columns: 1fr; padding: 2.5rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 40px 1fr; }
  .service-row__text { grid-column: 2; }
  .service-row__arrow { display: none; }
}

@media (max-width: 640px) {
  .topbar__inner { justify-content: center; }
  .nav__links, .nav .btn--fill { display: none; }
  .nav__burger { display: block; }
  .nav.open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1rem 1.25rem;
    gap: 0.75rem;
    box-shadow: var(--shadow);
  }
  .nav.open .btn--fill {
    display: inline-flex;
    margin: 0.5rem 1rem 1rem;
  }
  .header__inner { position: relative; }
  .hero { padding-block: 3rem; }
  .hero__contacts { flex-direction: column; gap: 1rem; }
  .info-grid { grid-template-columns: 1fr; }
  .info-cell--accent { grid-column: span 1; }
  .footer__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .strip__track { animation: none; }
  .fade-in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}
