:root {
  --ink: #f8fafc;
  --ink-2: #d7dee8;
  --muted: #9aa8ba;
  --paper: #0e1928;
  --surface: #07111f;
  --panel: #101c2d;
  --panel-2: #0b1524;
  --white: #ffffff;
  --gold: #b98a20;
  --gold-2: #e0bc61;
  --teal: #5eb7ad;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

body::before {
  content: none;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 17, 31, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(248, 250, 252, 0.72);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
  overflow: hidden;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 5px;
  width: 100%;
  height: 2px;
  background: var(--gold-2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  width: 100%;
  min-height: 680px;
  margin: 0;
  padding: 92px 20px 86px;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(5, 10, 18, 0.18), rgba(5, 10, 18, 0.74) 68%),
    linear-gradient(rgba(4, 8, 14, 0.46), rgba(4, 8, 14, 0.72)),
    url("assets/london-hero-real.jpg") center / cover no-repeat,
    #08111f;
  border-bottom: 1px solid rgba(13, 24, 41, 0.16);
  overflow: hidden;
  animation: heroSettle 900ms ease both;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, rgba(7, 17, 31, 0.78), var(--surface));
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
  animation: fadeUp 850ms ease 120ms both;
}

.hero-logo {
  width: clamp(116px, 14vw, 172px);
  height: auto;
  margin: 0 auto 24px;
  filter: drop-shadow(0 20px 34px rgba(0, 0, 0, 0.7));
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--gold-2);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.03;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin: 0 auto 16px;
  font-size: clamp(42px, 6.2vw, 78px);
}

.hero h1 {
  text-shadow: 0 5px 24px rgba(0, 0, 0, 0.74);
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(32px, 4.2vw, 58px);
}

h3 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.25;
}

.hero-text {
  max-width: 660px;
  margin: 0 auto 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.72);
}

.tagline {
  margin: 0 0 24px;
  color: var(--gold-2);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn-primary {
  color: #0b1728;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 16px 36px rgba(185, 138, 32, 0.22);
}

.btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.section {
  padding: 94px 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 680ms ease, transform 680ms ease;
}

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

.about {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 34%),
    var(--surface);
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.prose {
  color: var(--ink-2);
  font-size: 18px;
}

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

.services,
.contact {
  background: var(--panel-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 38px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-item {
  min-height: 280px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}

.service-item:hover {
  transform: translateY(-5px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  border-color: rgba(224, 188, 97, 0.28);
}

.service-item span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 46px;
  color: var(--gold-2);
  background: rgba(224, 188, 97, 0.12);
  border-radius: 6px;
  font-weight: 900;
}

.service-item p,
.ops-grid p,
.check-list p,
.details dd {
  color: var(--muted);
}

.operations {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 64px 64px;
}

.ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 58px;
  align-items: start;
}

.ops-grid > div:first-child p {
  max-width: 520px;
  margin-top: 24px;
  font-size: 18px;
}

.check-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.check-list div {
  position: relative;
  padding: 24px 24px 24px 58px;
  background: rgba(7, 17, 31, 0.74);
  transition: background 220ms ease, transform 220ms ease;
}

.check-list div:hover {
  background: rgba(255, 255, 255, 0.055);
  transform: translateX(4px);
}

.check-list div::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 31px;
  width: 13px;
  height: 13px;
  background: var(--gold);
  border-radius: 50%;
}

.check-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.check-list p {
  margin-bottom: 0;
}

.company {
  background: #060e1a;
}

.company h2,
.company .section-label {
  color: var(--white);
}

.company .section-label {
  color: var(--gold-2);
}

.company-block {
  display: grid;
  grid-template-columns: 0.68fr 1fr;
  gap: 54px;
  align-items: start;
}

.details {
  margin: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.details div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.details div:last-child {
  border-bottom: 0;
}

.details dt {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.details dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.details a {
  color: var(--gold-2);
  font-weight: 800;
}

.contact {
  padding: 72px 0;
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.contact h2 {
  max-width: 720px;
  font-size: clamp(30px, 3.6vw, 48px);
}

.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin: 18px 0 0;
  color: var(--ink-2);
  font-weight: 700;
}

.contact-details a {
  color: var(--ink-2);
}

.contact-details a:hover {
  color: var(--gold-2);
}

.contact-details span {
  width: 5px;
  height: 5px;
  background: var(--gold-2);
  border-radius: 50%;
}

.footer {
  color: rgba(255, 255, 255, 0.72);
  background: #050b14;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.3fr) 0.7fr 1.1fr;
  gap: 44px;
  padding: 54px 0 38px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.footer-brand img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.footer-brand strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.footer-brand p,
.footer-column p {
  max-width: 360px;
  margin: 0;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-column h2 {
  margin: 0 0 8px;
  color: var(--gold-2);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.footer-column a {
  width: fit-content;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.footer p {
  margin-bottom: 0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroSettle {
  from {
    background-position: center 48%;
  }

  to {
    background-position: center center;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .nav {
    padding: 14px 0;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .split,
  .ops-grid,
  .company-block {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 54px;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-main {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

@media (max-width: 620px) {
  .container,
  .nav {
    width: min(100% - 28px, 1120px);
  }

  .brand span {
    font-size: 13px;
  }

  .nav-links {
    gap: 2px;
    font-size: 13px;
  }

  .nav-links a {
    padding: 8px 7px;
  }

  .hero {
    min-height: 640px;
    padding: 70px 14px 72px;
  }

  h1 {
    font-size: clamp(36px, 12vw, 48px);
  }

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

  .service-grid,
  .details div {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-brand {
    flex-direction: column;
  }

  .service-item {
    min-height: 0;
  }

  .service-item span {
    margin-bottom: 28px;
  }
}
