:root {
  --navy: #0a1b2c;
  --navy-deep: #06131f;
  --navy-soft: #16334b;
  --gold: #d4a61f;
  --gold-light: #f0cf68;
  --green: #65a72b;
  --ink: #102131;
  --muted: #66727c;
  --paper: #f5f3ed;
  --white: #ffffff;
  --line: #dcd9d0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.site-header {
  align-items: center;
  background: rgba(245, 243, 237, 0.93);
  border-bottom: 1px solid rgba(10, 27, 44, 0.1);
  display: flex;
  height: 90px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(24px, 5vw, 80px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
}

.brand img {
  height: 68px;
  object-fit: contain;
  width: 190px;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: #344454;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--gold);
}

.main-nav .nav-contact {
  background: var(--navy);
  color: var(--white);
  padding: 13px 20px;
}

.main-nav .nav-contact:hover,
.main-nav .nav-contact:focus-visible {
  background: var(--gold);
  color: var(--navy-deep);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  min-height: calc(100vh - 90px);
  overflow: hidden;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px clamp(32px, 7vw, 120px);
  padding-right: clamp(32px, 5vw, 80px);
}

.eyebrow {
  align-items: center;
  color: #65717b;
  display: flex;
  font-size: 11px;
  font-weight: 800;
  gap: 12px;
  letter-spacing: 0.18em;
  margin: 0 0 24px;
  text-transform: uppercase;
}

.eyebrow > span {
  background: var(--gold);
  height: 2px;
  width: 34px;
}

.eyebrow-light {
  color: #b9c5ce;
}

.hero h1,
.section h2,
.technical-section h2,
.contact-section h2 {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.04em;
  margin: 0;
}

.hero h1 {
  font-size: clamp(48px, 5.35vw, 82px);
  line-height: 0.98;
  max-width: 820px;
}

.hero h1 em,
.technical-section h2 em {
  color: var(--gold);
  font-weight: 500;
}

.hero-text {
  color: #5c6872;
  font-size: 18px;
  line-height: 1.75;
  margin: 32px 0 0;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  align-items: center;
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  gap: 22px;
  justify-content: center;
  letter-spacing: 0.02em;
  min-height: 54px;
  padding: 0 24px;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--gold);
  color: var(--navy);
}

.button-secondary {
  border: 1px solid #c7c7c0;
  color: var(--navy);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--navy);
}

.button-gold {
  background: var(--gold);
  color: var(--navy-deep);
}

.button-gold:hover,
.button-gold:focus-visible {
  background: var(--gold-light);
}

.hero-details {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 1fr;
  margin-top: 52px;
  padding-top: 24px;
}

.hero-details div {
  display: grid;
  gap: 7px;
}

.hero-details strong {
  color: var(--navy);
  font-size: 13px;
}

.hero-details span {
  color: #7a838a;
  font-size: 12px;
  line-height: 1.5;
}

.hero-visual {
  align-items: center;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent 45%),
    var(--navy);
  display: flex;
  justify-content: center;
  min-height: 650px;
  overflow: hidden;
  padding: 70px;
  position: relative;
}

.hero-visual::before,
.hero-visual::after {
  border: 1px solid rgba(212, 166, 31, 0.16);
  border-radius: 50%;
  content: "";
  height: 640px;
  position: absolute;
  right: -230px;
  top: -260px;
  width: 640px;
}

.hero-visual::after {
  bottom: -310px;
  height: 520px;
  left: -210px;
  right: auto;
  top: auto;
  width: 520px;
}

.visual-glow {
  background: rgba(212, 166, 31, 0.25);
  filter: blur(90px);
  height: 300px;
  position: absolute;
  width: 300px;
}

.logo-card {
  background: var(--white);
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.28);
  padding: 34px 34px 25px;
  position: relative;
  width: min(520px, 100%);
  z-index: 2;
}

.logo-card > p {
  color: #7a7d80;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin: 0;
  text-transform: uppercase;
}

.logo-card > img {
  margin: 8px auto 0;
  width: min(400px, 100%);
}

.logo-card-line {
  border-top: 1px solid #e7e5df;
  color: #7b7f82;
  display: flex;
  font-size: 9px;
  font-weight: 800;
  justify-content: space-between;
  letter-spacing: 0.14em;
  padding-top: 18px;
  text-transform: uppercase;
}

.technical-badge {
  background: var(--gold);
  bottom: 12%;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.25);
  display: grid;
  gap: 5px;
  left: 7%;
  max-width: 280px;
  padding: 20px 24px;
  position: absolute;
  z-index: 3;
}

.technical-badge span {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.technical-badge strong {
  color: var(--navy-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.25;
}

.confidence-strip {
  align-items: center;
  background: var(--white);
  color: #6b747c;
  display: flex;
  font-size: 10px;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.17em;
  min-height: 80px;
  text-transform: uppercase;
}

.confidence-strip i {
  background: var(--gold);
  height: 4px;
  margin: 0 48px;
  transform: rotate(45deg);
  width: 4px;
}

.section {
  padding: 120px clamp(24px, 7vw, 110px);
}

.section-heading {
  align-items: end;
  display: flex;
  gap: 60px;
  justify-content: space-between;
  margin: 0 auto 60px;
  max-width: 1240px;
}

.section-heading > div {
  max-width: 680px;
}

.section-heading h2 {
  font-size: clamp(42px, 4.2vw, 66px);
  line-height: 1.04;
}

.section-heading > p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 6px;
  max-width: 380px;
}

.services-section {
  background: var(--paper);
}

.services-grid {
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1240px;
}

.service-card {
  background: rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  min-height: 325px;
  padding: 36px;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.service-card:hover {
  background: var(--white);
  transform: translateY(-3px);
}

.service-number {
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.service-card h3,
.audience-grid h3 {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 500;
  margin: 50px 0 14px;
}

.service-card p,
.audience-grid p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}

.service-card a {
  color: var(--navy);
  display: inline-flex;
  font-size: 11px;
  font-weight: 900;
  gap: 8px;
  letter-spacing: 0.04em;
  margin-top: 28px;
}

.service-card a span {
  color: var(--green);
}

.technical-section {
  background: var(--navy);
  display: grid;
  gap: clamp(60px, 9vw, 150px);
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  padding: 130px clamp(24px, 8vw, 135px);
}

.technical-intro {
  align-self: center;
}

.technical-section h2 {
  color: var(--white);
  font-size: clamp(44px, 4.6vw, 70px);
  line-height: 1.02;
}

.technical-intro > p:not(.eyebrow) {
  color: #b8c3cc;
  font-size: 16px;
  line-height: 1.8;
  margin: 30px 0 34px;
  max-width: 560px;
}

.technical-list {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.technical-item {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: grid;
  gap: 26px;
  grid-template-columns: 44px 1fr;
  min-height: 91px;
}

.technical-item span {
  color: var(--gold);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.technical-item p {
  color: #f4f6f7;
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}

.audience-section {
  background: var(--white);
}

.section-heading.compact {
  justify-content: flex-start;
}

.audience-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1240px;
}

.audience-grid article {
  background: var(--paper);
  min-height: 280px;
  padding: 38px;
}

.audience-mark {
  background: var(--gold);
  display: block;
  height: 8px;
  position: relative;
  width: 8px;
}

.audience-mark::after {
  border: 1px solid var(--gold);
  content: "";
  height: 16px;
  left: -5px;
  position: absolute;
  top: -5px;
  width: 16px;
}

.audience-grid h3 {
  margin-top: 58px;
}

.about-section {
  background: var(--paper);
}

.about-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  margin: 0 auto;
  max-width: 1240px;
}

.about-logo {
  align-items: center;
  background: var(--white);
  display: flex;
  justify-content: center;
  min-height: 500px;
  padding: 50px;
}

.about-logo img {
  width: 420px;
}

.about-copy {
  background: #e8e4db;
  padding: clamp(50px, 7vw, 100px);
}

.about-copy h2 {
  font-size: clamp(40px, 4vw, 62px);
  line-height: 1.04;
}

.about-copy > p:not(.eyebrow) {
  color: #626c75;
  line-height: 1.8;
  margin: 28px 0 0;
}

.values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.values span {
  border: 1px solid #c5c0b5;
  color: var(--navy);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 11px 13px;
  text-transform: uppercase;
}

.contact-section {
  background: var(--navy-deep);
  display: grid;
  gap: 100px;
  grid-template-columns: 1fr 0.8fr;
  padding: 120px clamp(24px, 8vw, 135px);
}

.contact-copy h2 {
  color: var(--white);
  font-size: clamp(44px, 4.7vw, 72px);
  line-height: 1.02;
  max-width: 760px;
}

.contact-copy > p:not(.eyebrow) {
  color: #aeb9c2;
  line-height: 1.8;
  margin: 28px 0 34px;
  max-width: 600px;
}

.contact-card {
  align-self: center;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  font-style: normal;
  gap: 30px;
  padding-left: 48px;
}

.contact-card div {
  display: grid;
  gap: 9px;
}

.contact-card span {
  color: var(--gold);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contact-card a,
.contact-card p {
  color: #f4f6f8;
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.contact-card a:hover,
.contact-card a:focus-visible {
  color: var(--gold-light);
}

footer {
  align-items: center;
  background: #040d15;
  color: #7f8c96;
  display: grid;
  font-size: 10px;
  gap: 34px;
  grid-template-columns: 0.8fr 1.3fr 0.8fr;
  padding: 44px clamp(24px, 7vw, 110px);
}

.footer-brand img {
  filter: brightness(0) invert(1);
  height: 55px;
  object-fit: contain;
  object-position: left;
  opacity: 0.88;
  width: 160px;
}

.footer-brand p {
  margin: 6px 0 0;
}

.footer-note {
  line-height: 1.65;
  margin: 0;
  max-width: 470px;
}

.footer-end {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.footer-end a {
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0.05em;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

@media (max-width: 1050px) {
  .site-header {
    height: auto;
    min-height: 88px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: 700px;
  }

  .hero-visual {
    min-height: 620px;
  }

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

  .technical-section {
    grid-template-columns: 1fr;
  }

  .technical-intro {
    max-width: 760px;
  }

  .about-panel {
    grid-template-columns: 1fr;
  }

  .about-logo {
    min-height: 380px;
  }

  .contact-section {
    gap: 70px;
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr 1.3fr;
  }

  .footer-end {
    grid-column: 1 / -1;
    justify-items: start;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 14px;
    padding-top: 8px;
    position: relative;
  }

  .brand img {
    height: 58px;
    object-position: left;
    width: 155px;
  }

  .main-nav {
    gap: 8px 18px;
    overflow-x: auto;
    padding-bottom: 3px;
    width: 100%;
  }

  .main-nav a {
    flex: none;
    font-size: 11px;
  }

  .main-nav .nav-contact {
    padding: 9px 13px;
  }

  .hero-copy {
    min-height: auto;
    padding: 72px 24px 62px;
  }

  .hero h1 {
    font-size: clamp(44px, 13vw, 64px);
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-details {
    gap: 20px;
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 520px;
    padding: 48px 24px 80px;
  }

  .logo-card {
    padding: 24px 22px 20px;
  }

  .technical-badge {
    bottom: 5%;
    left: 24px;
  }

  .confidence-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 25px 24px;
  }

  .confidence-strip i {
    display: none;
  }

  .section,
  .technical-section,
  .contact-section {
    padding: 84px 24px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 42px;
  }

  .section-heading h2,
  .technical-section h2,
  .contact-section h2 {
    font-size: 44px;
  }

  .services-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 290px;
    padding: 30px;
  }

  .technical-section {
    gap: 60px;
  }

  .technical-item {
    gap: 16px;
    grid-template-columns: 34px 1fr;
  }

  .about-logo {
    min-height: 290px;
    padding: 24px;
  }

  .about-copy {
    padding: 54px 28px;
  }

  .contact-card {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    padding-left: 0;
    padding-top: 40px;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .footer-end {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
