:root {
  --ink: #f5f8fc;
  --muted: #aebdca;
  --navy: #07111f;
  --navy-2: #0a1829;
  --surface: #0f2638;
  --teal: #23d5c3;
  --cyan: #35bceb;
  --line: rgba(140, 180, 205, 0.19);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--navy);
}

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shell {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 12, 24, 0.72);
  backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(1340px, calc(100% - 64px));
  min-height: 92px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.primary-nav a {
  position: relative;
  color: #e7eef5;
  font-size: 15px;
  padding: 35px 0 33px;
  transition: color 180ms ease;
}

.primary-nav a::after {
  position: absolute;
  content: "";
  left: 0;
  right: 100%;
  bottom: 27px;
  height: 2px;
  background: var(--teal);
  transition: right 180ms ease;
}

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

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  right: 0;
}

.primary-nav .nav-chat {
  margin-left: -18px;
  padding: 12px 18px;
  border: 1px solid rgba(35, 213, 195, 0.72);
  border-radius: 6px;
  color: var(--teal);
}

.primary-nav .nav-chat::after {
  display: none;
}

.primary-nav .nav-chat:hover,
.primary-nav .nav-chat:focus-visible {
  color: #03131c;
  background: var(--teal);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
}

.menu-toggle i {
  display: block;
  width: 26px;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 45%, rgba(1, 167, 214, 0.16), transparent 34%),
    linear-gradient(110deg, #06101f 0%, #06101f 40%, #081727 100%);
}

.hero-image {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(5, 14, 27, 0.99) 0%, rgba(5, 14, 27, 0.94) 28%, rgba(5, 14, 27, 0.47) 57%, rgba(5, 14, 27, 0.08) 100%),
    linear-gradient(0deg, rgba(5, 14, 27, 0.55), transparent 48%),
    url("/lanset-hero.png");
  background-size: cover;
  background-position: center;
  opacity: 0.9;
}

.hero-grid {
  position: absolute;
  inset: 45% -10% -35% 45%;
  opacity: 0.24;
  transform: perspective(480px) rotateX(57deg) rotateZ(-8deg);
  background-image:
    linear-gradient(rgba(35, 213, 195, 0.17) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 213, 195, 0.17) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle, #000 5%, transparent 64%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 112px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(56px, 6.15vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.052em;
}

.hero-lede {
  max-width: 600px;
  margin: 28px 0 0;
  color: #c0ccd6;
  font-size: clamp(19px, 1.8vw, 24px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 24px;
  margin-top: 38px;
}

.button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button-primary {
  color: #03131c;
  background: linear-gradient(135deg, var(--teal), #31c8db);
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(35, 213, 195, 0.19);
  background: #46ddcf;
}

.button-secondary {
  border-color: var(--teal);
  background: rgba(7, 17, 31, 0.35);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--teal);
  background: rgba(35, 213, 195, 0.07);
}

.trust-row {
  display: flex;
  align-items: center;
  margin-top: 104px;
}

.trust-row > div {
  min-width: 240px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 54px;
  padding-right: 42px;
  margin-right: 42px;
  border-right: 1px solid rgba(196, 220, 235, 0.28);
}

.trust-row > div:last-child {
  border: 0;
}

.trust-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--teal);
  border-radius: 50%;
  color: var(--teal);
}

.trust-row strong {
  font-size: 16px;
}

.section {
  padding: 120px 0;
}

.section h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.intro {
  color: var(--navy);
  background: #eef4f5;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.72fr;
  gap: 100px;
}

.intro h2 {
  max-width: 760px;
}

.intro-copy {
  padding-top: 39px;
}

.intro-copy p,
.section-heading > p,
.solutions-copy > p,
.contact-card p {
  color: #536673;
  font-size: 18px;
  line-height: 1.75;
}

.intro-copy p:first-child {
  margin-top: 0;
}

.text-link,
.service-card a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: #086e72;
  font-weight: 700;
}

.services {
  position: relative;
  background: var(--navy-2);
}

.services::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(35, 213, 195, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 213, 195, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

.section-heading {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.58fr;
  align-items: end;
  gap: 100px;
}

.section-heading > p {
  color: var(--muted);
}

.service-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 70px;
}

.service-card {
  position: relative;
  min-height: 410px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(15, 38, 56, 0.54);
  overflow: hidden;
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(35, 213, 195, 0.62);
  background: rgba(15, 38, 56, 0.9);
}

.service-number {
  color: #77909f;
  font-size: 13px;
}

.service-symbol {
  width: 78px;
  height: 78px;
  position: relative;
  margin: 48px 0 36px;
}

.service-symbol span {
  position: absolute;
  left: 0;
  width: 72px;
  height: 18px;
  border: 1px solid rgba(35, 213, 195, 0.65);
  background: rgba(35, 213, 195, 0.045);
  transform: skewY(-13deg);
}

.service-symbol span:nth-child(1) { top: 0; }
.service-symbol span:nth-child(2) { top: 25px; left: 4px; }
.service-symbol span:nth-child(3) { top: 50px; left: 8px; }

.service-card h3 {
  margin: 0 0 16px;
  font-size: 26px;
}

.service-card p {
  min-height: 78px;
  color: var(--muted);
  line-height: 1.65;
}

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

.solutions {
  background: #dfe9ec;
  color: var(--navy);
}

.solutions-grid {
  display: grid;
  grid-template-columns: 0.88fr 1fr;
  gap: 100px;
  align-items: center;
}

.solutions-copy h2 {
  max-width: 650px;
}

.solutions-copy ul {
  margin: 34px 0 42px;
  padding: 0;
  list-style: none;
}

.solutions-copy li {
  position: relative;
  margin: 16px 0;
  padding-left: 28px;
  color: #304652;
}

.solutions-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #087a7d;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(7, 17, 31, 0.12);
  border-radius: 14px;
  background: rgba(7, 17, 31, 0.12);
}

.metric {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  background: #f1f6f7;
}

.metric strong {
  color: #077579;
  font-size: 54px;
  letter-spacing: -0.05em;
}

.metric span {
  margin-top: 8px;
  color: #526874;
}

.contact {
  background:
    radial-gradient(circle at 80% 20%, rgba(35, 213, 195, 0.13), transparent 28%),
    #07111f;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 0.46fr;
  gap: 80px;
  align-items: center;
  padding-top: 68px;
  padding-bottom: 68px;
  padding-inline: 68px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15, 38, 56, 0.6);
}

.contact-card h2 {
  font-size: clamp(40px, 4vw, 58px);
}

.contact-card p {
  max-width: 710px;
  margin-bottom: 0;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.phone-link {
  color: var(--teal);
  font-size: 24px;
  font-weight: 700;
}

.email-link {
  color: #c4d0d8;
  font-size: 15px;
  font-weight: 600;
}

.contact-actions > span {
  color: #889dab;
  font-size: 13px;
}

footer {
  border-top: 1px solid var(--line);
  background: #040c17;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 80px;
  padding-top: 72px;
  padding-bottom: 64px;
}

.footer-main > div:first-child p {
  max-width: 380px;
  color: #8095a3;
  line-height: 1.65;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}

.footer-links > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links strong {
  margin-bottom: 8px;
}

.footer-links a {
  color: #91a4b1;
}

.footer-links a:hover {
  color: var(--teal);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 24px;
  border-top: 1px solid var(--line);
  color: #718794;
  font-size: 13px;
}

.floating-chat {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #03131c;
  background: linear-gradient(135deg, var(--teal), #31c8db);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.34);
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.floating-chat span {
  color: #087378;
  font-size: 10px;
}

.floating-chat:hover,
.floating-chat:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(35, 213, 195, 0.22);
}

:focus-visible {
  outline: 3px solid rgba(35, 213, 195, 0.75);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .nav-shell,
  .shell {
    width: min(100% - 40px, 760px);
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(5, 14, 27, 0.98);
  }

  .primary-nav.open {
    display: flex;
  }

  .primary-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
  }

  .primary-nav a:last-child {
    border: 0;
  }

  .primary-nav .nav-chat {
    margin: 10px 0 4px;
    padding: 13px 16px;
    text-align: center;
  }

  .primary-nav a::after {
    display: none;
  }

  .nav-shell {
    min-height: 76px;
  }

  .hero {
    min-height: 850px;
  }

  .hero-content {
    padding-top: 90px;
  }

  .trust-row {
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 76px;
  }

  .trust-row > div {
    min-width: calc(50% - 20px);
    margin: 0;
    padding: 0;
    border: 0;
  }

  .split,
  .section-heading,
  .solutions-grid,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .intro-copy {
    padding-top: 0;
  }

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

  .service-card {
    min-height: auto;
  }

  .service-card p {
    min-height: 0;
  }

  .contact-card {
    padding-inline: 42px;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .shell {
    width: calc(100% - 36px);
  }

  .brand {
    gap: 11px;
    font-size: 16px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .hero {
    min-height: 800px;
    align-items: flex-start;
  }

  .hero-image {
    background-image:
      linear-gradient(180deg, rgba(5, 14, 27, 0.9) 0%, rgba(5, 14, 27, 0.88) 62%, rgba(5, 14, 27, 0.97) 100%),
      url("/lanset-hero.png");
    background-position: 66% center;
  }

  .hero-content {
    padding-top: 152px;
  }

  .hero h1 {
    font-size: clamp(44px, 13.8vw, 62px);
  }

  .hero-lede {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
  }

  .button {
    width: 100%;
  }

  .trust-row {
    margin-top: 50px;
    gap: 16px;
  }

  .trust-row > div {
    min-width: 100%;
    min-height: 38px;
  }

  .trust-icon {
    width: 32px;
    height: 32px;
  }

  .section {
    padding: 82px 0;
  }

  .section h2 {
    font-size: 40px;
  }

  .service-grid {
    margin-top: 44px;
  }

  .service-card {
    padding: 28px;
  }

  .metric {
    min-height: 156px;
    padding: 24px;
  }

  .metric strong {
    font-size: 40px;
  }

  .contact-card {
    width: calc(100% - 28px);
    padding: 36px 24px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 38px 28px;
  }

  .floating-chat {
    right: 14px;
    bottom: 14px;
    min-height: 48px;
    padding-inline: 17px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-content {
    animation: hero-in 650ms ease-out both;
  }

  .hero-grid {
    animation: grid-drift 16s ease-in-out infinite alternate;
  }
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes grid-drift {
  from { transform: perspective(480px) rotateX(57deg) rotateZ(-8deg) translateX(0); }
  to { transform: perspective(480px) rotateX(57deg) rotateZ(-8deg) translateX(30px); }
}