:root {
  --ink: #030d16;
  --navy: #061824;
  --navy-2: #092131;
  --panel: #0b2435;
  --panel-2: #0e2b3f;
  --blue: #2388ff;
  --blue-2: #0e66d6;
  --cyan: #58c5ff;
  --white: #f5f9fd;
  --muted: #9eb2c2;
  --muted-2: #6f8798;
  --line: rgba(151, 197, 230, 0.16);
  --line-strong: rgba(151, 197, 230, 0.3);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  --radius: 24px;
  --shell: min(1240px, calc(100vw - 56px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 14%, rgba(35, 136, 255, 0.12), transparent 28rem),
    radial-gradient(circle at 10% 70%, rgba(88, 197, 255, 0.06), transparent 32rem),
    var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
  color: inherit;
}

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

img,
svg {
  display: block;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue-2);
  border-radius: 9px;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
  padding-inline: max(28px, calc((100vw - 1240px) / 2));
  background: transparent;
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
  transition:
    padding 220ms ease,
    background 220ms ease,
    border-color 220ms ease;
}

.brand-accent {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  width: 26px;
  height: 17px;
  margin-top: 1px;
  padding: 0;
}

.brand-accent i {
  display: block;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--blue-2));
  box-shadow: 0 0 14px rgba(35, 136, 255, 0.3);
}

.brand-accent i:nth-child(1) {
  height: 8px;
}

.brand-accent i:nth-child(2) {
  height: 17px;
}

.brand-accent i:nth-child(3) {
  height: 13px;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-size: 1.18rem;
  letter-spacing: -0.035em;
}

.brand-copy strong span {
  color: var(--blue);
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted-2);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  transition:
    padding 220ms ease,
    background 220ms ease,
    border-color 220ms ease;
}

.site-nav a {
  position: relative;
  color: #c8d5df;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--blue);
  transition: right 180ms ease;
}

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

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

.nav-contact {
  padding: 0 0 0 18px;
  border: 0;
  border-left: 1px solid rgba(88, 197, 255, 0.45);
  border-radius: 0;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(860px, 94svh);
  padding: 112px 0 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(3, 13, 22, 0.98) 0%, rgba(3, 13, 22, 0.62) 16%, transparent 36%),
    linear-gradient(90deg, rgba(3, 13, 22, 0.98) 0%, rgba(3, 13, 22, 0.86) 48%, rgba(3, 13, 22, 0.84) 100%),
    linear-gradient(0deg, var(--ink), transparent 38%),
    url("assets/architecture.jpg") 48% center / 120% auto no-repeat;
  filter: saturate(0.75) contrast(1.06);
}

.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 42%, rgba(35, 136, 255, 0.2), transparent 28rem),
    linear-gradient(120deg, transparent 60%, rgba(88, 197, 255, 0.08));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.618fr) minmax(330px, 1fr);
  align-items: center;
  gap: clamp(44px, 7vw, 100px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 20px;
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 16px var(--blue);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.8rem, 7.2vw, 7.4rem);
  font-weight: 650;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.hero h1 span,
.section-heading h2 span,
.lab-copy h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(218, 237, 250, 0.5);
}

.hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: #b5c5d1;
  font-size: clamp(1rem, 1.55vw, 1.18rem);
  line-height: 1.75;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}

.hero-link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  width: min(220px, 100%);
  padding: 13px 0 12px;
  color: #c4d3de;
  border-top: 1px solid rgba(151, 197, 230, 0.24);
  border-bottom: 1px solid rgba(151, 197, 230, 0.1);
  text-decoration: none;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    padding-inline 180ms ease;
}

.hero-link::after {
  content: "";
  position: absolute;
  right: 70%;
  top: -1px;
  left: 0;
  height: 1px;
  background: var(--blue);
  transition: right 220ms ease;
}

.hero-link span,
.hero-link strong,
.hero-link small {
  display: block;
}

.hero-link strong {
  color: var(--white);
  font-size: 0.73rem;
  letter-spacing: 0.01em;
}

.hero-link small {
  margin-top: 5px;
  color: var(--muted-2);
  font-size: 0.59rem;
  font-weight: 600;
  line-height: 1.3;
}

.hero-link:hover,
.hero-link:focus-visible,
.hero-link-primary {
  color: var(--white);
}

.hero-link:hover::after,
.hero-link:focus-visible::after,
.hero-link-primary::after {
  right: 0;
}

.hero-link:hover,
.hero-link:focus-visible {
  padding-inline: 8px;
  border-color: rgba(88, 197, 255, 0.34);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.button svg,
.hero-link svg,
.text-link svg,
.index-row svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 180ms ease;
}

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

.button:hover svg,
.hero-link:hover svg,
.text-link:hover svg,
.index-row:hover svg {
  transform: translateX(4px);
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 12px 28px rgba(14, 102, 214, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 16px 34px rgba(14, 102, 214, 0.42);
}

.hero-signature {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  color: var(--muted-2);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tricolor {
  display: flex;
  width: 44px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
}

.tricolor i {
  flex: 1;
}

.tricolor i:nth-child(1) {
  background: #1767d8;
}

.tricolor i:nth-child(2) {
  background: #fff;
}

.tricolor i:nth-child(3) {
  background: #ef2b37;
}

.hero-index {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(150deg, rgba(11, 36, 53, 0.84), rgba(5, 20, 31, 0.66));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

.index-label {
  margin: 3px 8px 12px;
  color: var(--muted-2);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.index-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 13px;
  min-height: 82px;
  padding: 12px;
  border-top: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: background 180ms ease;
}

.index-row:hover,
.index-row:focus-visible {
  background: rgba(35, 136, 255, 0.08);
}

.index-row strong,
.index-row small {
  display: block;
}

.index-row strong {
  font-size: 0.9rem;
  font-weight: 650;
}

.index-row small {
  margin-top: 5px;
  color: var(--muted-2);
  font-size: 0.68rem;
}

.index-row svg {
  color: var(--muted-2);
}

.index-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 10px 3px;
  color: var(--muted-2);
  font-size: 0.61rem;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #37d87a;
  box-shadow: 0 0 13px rgba(55, 216, 122, 0.72);
}

.scroll-cue {
  position: absolute;
  bottom: 27px;
  left: 50%;
  display: grid;
  place-items: center;
  width: 28px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 3px;
  height: 7px;
  border-radius: 999px;
  background: var(--blue);
  animation: scrollCue 2s ease-in-out infinite;
}

@keyframes scrollCue {
  0%, 100% { transform: translateY(-5px); opacity: 0.35; }
  50% { transform: translateY(5px); opacity: 1; }
}

.section {
  padding-block: clamp(52px, 6vw, 78px);
}

.section-heading {
  display: block;
  margin-bottom: 30px;
}

.section-heading .section-kicker {
  margin: 0 0 16px;
}

.section-heading h2,
.lab-copy h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.7vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.section-heading h2 {
  max-width: 1080px;
  font-size: clamp(2.2rem, 4.2vw, 4.2rem);
}

.activities-divider {
  display: grid;
  grid-template-columns: minmax(28px, 1fr) auto minmax(28px, 1fr);
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.activities-divider span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(88, 197, 255, 0.38));
}

.activities-divider span:last-child {
  background: linear-gradient(90deg, rgba(88, 197, 255, 0.38), transparent);
}

.activities-divider strong {
  color: #8fb0c6;
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.activity-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(12, 38, 56, 0.92), rgba(6, 24, 36, 0.88));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

.activity-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 28%);
}

.activity-technical {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(340px, 1fr) 1.1fr;
  min-height: 440px;
}

.activity-visual {
  position: relative;
  min-height: 340px;
}

.technical-visual {
  background:
    radial-gradient(circle at 32% 38%, rgba(35, 136, 255, 0.18), transparent 17rem),
    linear-gradient(145deg, #0b2a3e, #061923 72%);
}

.technical-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(88, 197, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 197, 255, 0.1) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(90deg, black, transparent);
}

.technical-drawing {
  position: absolute;
  inset: 8% 5%;
  width: 90%;
  height: 84%;
  fill: none;
  stroke: rgba(157, 213, 247, 0.52);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 10px rgba(35, 136, 255, 0.12));
}

.technical-dash {
  stroke: rgba(88, 197, 255, 0.26);
  stroke-dasharray: 7 8;
}

.activity-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(30px, 5vw, 64px);
}

.activity-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  color: var(--cyan);
  border: 1px solid rgba(88, 197, 255, 0.24);
  border-radius: 14px;
  background: rgba(35, 136, 255, 0.1);
}

.activity-icon svg {
  width: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.activity-content h3 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.activity-content > p:not(.card-kicker),
.lab-copy > p:not(.section-kicker) {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
  color: #cad6df;
  font-size: 0.79rem;
}

.feature-list li {
  position: relative;
  padding-left: 19px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--blue);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-top: auto;
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 750;
  text-decoration: none;
}

.software-visual {
  position: relative;
  display: grid;
  place-items: end center;
  height: 250px;
  padding: 30px 30px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #071724;
}

.software-glow {
  position: absolute;
  width: 270px;
  height: 270px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.24;
}

.software-glow-blue {
  background: var(--blue);
}

.software-glow-cyan {
  background: var(--cyan);
}

.software-shot {
  position: relative;
  z-index: 1;
  width: min(100%, 560px);
  border: 1px solid rgba(151, 197, 230, 0.24);
  border-bottom: 0;
  border-radius: 13px 13px 0 0;
  box-shadow: 0 28px 55px rgba(0, 0, 0, 0.48);
  transition: transform 350ms ease;
}

.activity-software:hover .software-shot {
  transform: translateY(-8px);
}

.software-content {
  justify-content: flex-start;
  min-height: 280px;
  padding: 32px;
}

.software-heading {
  display: flex;
  align-items: center;
  gap: 15px;
}

.product-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  filter: drop-shadow(0 7px 13px rgba(0, 0, 0, 0.24));
}

.software-heading .card-kicker {
  margin-bottom: 6px;
}

.software-heading h3 {
  font-size: 1.75rem;
}

.product-status {
  margin-left: auto;
  padding: 5px 8px;
  color: #9db4c4;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.53rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-status-live {
  color: #7fe5aa;
  border-color: rgba(77, 211, 132, 0.22);
  background: rgba(77, 211, 132, 0.055);
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 23px 0 30px;
}

.product-badges span {
  padding: 6px 9px;
  color: #a9c8de;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.software-lab {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 75% 50%, rgba(35, 136, 255, 0.12), transparent 34rem),
    rgba(6, 24, 36, 0.62);
}

.lab-grid {
  display: grid;
  grid-template-columns: 1.618fr 1fr;
  align-items: center;
  gap: clamp(52px, 8vw, 110px);
}

.lab-copy > p:not(.section-kicker) {
  max-width: 650px;
  font-size: 1rem;
}

.lab-next {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 520px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.lab-next > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  color: var(--blue);
  border: 1px solid rgba(35, 136, 255, 0.25);
  border-radius: 10px;
  background: rgba(35, 136, 255, 0.07);
  font-size: 1.15rem;
}

.lab-next strong,
.lab-next small {
  display: block;
}

.lab-next strong {
  font-size: 0.74rem;
}

.lab-next small {
  margin-top: 4px;
  color: var(--muted-2);
  font-size: 0.65rem;
  line-height: 1.45;
}

.principles {
  display: grid;
  border-top: 1px solid var(--line);
}

.principles > div {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 13px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.principles i {
  grid-row: 1 / 3;
  width: 6px;
  height: 6px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 11px rgba(35, 136, 255, 0.55);
}

.principles strong {
  font-size: 0.82rem;
}

.principles small {
  color: var(--muted-2);
  font-size: 0.69rem;
  line-height: 1.5;
}

.contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 48%, rgba(35, 136, 255, 0.2), transparent 28rem),
    linear-gradient(115deg, #061824, #03101a 72%);
}

.contact-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.contact .section-kicker {
  margin-bottom: 16px;
}

.contact h2 {
  font-size: clamp(2.1rem, 4.8vw, 4.5rem);
}

.button-large {
  min-height: 58px;
  padding-inline: 24px;
  white-space: nowrap;
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--line);
  background: #020a11;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 36px;
}

.footer-grid strong {
  font-size: 1rem;
}

.footer-grid p {
  max-width: 390px;
  margin: 8px 0 0;
  color: var(--muted-2);
  font-size: 0.68rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: #b6c5d0;
  font-size: 0.68rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  text-align: right;
  white-space: nowrap;
}

.preview-badge {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  color: #a7bac8;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(3, 13, 22, 0.8);
  backdrop-filter: blur(10px);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preview-badge span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f0c645;
}

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

.reveal-delay {
  transition-delay: 140ms;
}

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

@media (max-width: 980px) {
  :root {
    --shell: min(100% - 36px, 780px);
  }

  .site-header {
    height: 70px;
    padding-inline: 18px;
  }

  .site-nav {
    position: static;
    display: flex;
    gap: 18px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a {
    padding-block: 8px;
    border: 0;
  }

  .nav-contact {
    padding-left: 15px;
    border-left: 1px solid rgba(88, 197, 255, 0.45);
    border-radius: 0;
  }

  .hero {
    min-height: auto;
    padding: 132px 0 90px;
  }

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

  .hero-copy {
    max-width: 700px;
  }

  .hero h1 {
    font-size: clamp(3.7rem, 12vw, 6rem);
  }

  .hero-index {
    max-width: 620px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  .technical-visual {
    min-height: 370px;
  }

  .lab-grid {
    gap: 52px;
  }

  .principles {
    max-width: 650px;
  }

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

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

  .copyright {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100% - 28px);
    --radius: 19px;
  }

  .site-header {
    height: 66px;
    padding-inline: 14px;
  }

  .brand {
    gap: 8px;
  }

  .brand-accent {
    width: 21px;
    height: 15px;
    margin-top: 2px;
    gap: 3px;
  }

  .brand-accent i {
    width: 4px;
  }

  .brand-accent i:nth-child(1) {
    height: 7px;
  }

  .brand-accent i:nth-child(2) {
    height: 15px;
  }

  .brand-accent i:nth-child(3) {
    height: 11px;
  }

  .brand-copy strong {
    font-size: 1rem;
  }

  .brand-copy small {
    display: none;
  }

  .site-nav {
    gap: 12px;
  }

  .site-nav a:not(.nav-contact) {
    display: none;
  }

  .site-nav a {
    font-size: 0.7rem;
  }

  .nav-contact {
    padding-left: 0;
    border-left: 0;
  }

  .hero {
    padding: 92px 0 64px;
  }

  .hero-backdrop {
    background:
      linear-gradient(180deg, rgba(3, 13, 22, 0.98) 0%, rgba(3, 13, 22, 0.78) 22%, rgba(3, 13, 22, 0.96) 76%),
      url("assets/architecture.jpg") center / cover no-repeat;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 15vw, 5rem);
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 0.95rem;
    line-height: 1.65;
  }

  .hero-links {
    gap: 14px;
    margin-top: 28px;
  }

  .hero-link {
    width: calc(50% - 7px);
  }

  .button {
    width: 100%;
  }

  .hero-signature {
    font-size: 0.58rem;
  }

  .hero-index {
    padding: 10px;
    border-radius: 18px;
  }

  .index-row {
    min-height: 72px;
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding-block: 44px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .activities-divider {
    gap: 12px;
    margin-bottom: 22px;
  }

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

  .activity-technical {
    grid-column: auto;
  }

  .technical-visual {
    min-height: 260px;
  }

  .activity-content,
  .software-content {
    min-height: auto;
    padding: 28px 24px 30px;
  }

  .activity-content h3 {
    font-size: 1.85rem;
  }

  .software-visual {
    height: 230px;
    padding: 24px 16px 0;
  }

  .software-heading h3 {
    font-size: 1.5rem;
  }

  .product-logo {
    width: 47px;
    height: 47px;
  }

  .contact .button {
    white-space: normal;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .copyright {
    grid-column: auto;
  }

  .preview-badge {
    right: 8px;
    bottom: 8px;
    padding: 6px 8px;
    font-size: 0.5rem;
  }
}

@media (max-height: 560px) and (orientation: landscape) and (min-width: 560px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .site-header {
    height: 54px;
    padding-inline: 14px;
  }

  .brand-accent {
    height: 15px;
  }

  .brand-copy small,
  .scroll-cue {
    display: none;
  }

  .hero {
    min-height: 100svh;
    padding: 62px 0 12px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(238px, 0.75fr);
    gap: 18px;
  }

  .eyebrow {
    margin-bottom: 7px;
    font-size: 0.54rem;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 6.7vw, 3.8rem);
    line-height: 0.87;
  }

  .hero-lead {
    display: -webkit-box;
    max-width: 490px;
    margin-top: 10px;
    overflow: hidden;
    font-size: 0.7rem;
    line-height: 1.4;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .hero-links {
    align-items: center;
    flex-direction: row;
    gap: 18px;
    margin-top: 11px;
  }

  .hero-link {
    padding-block: 5px;
    font-size: 0.62rem;
  }

  .hero-link:nth-child(2),
  .hero-signature {
    display: none;
  }

  .hero-index {
    align-self: center;
    padding: 7px;
    border-radius: 16px;
  }

  .index-label,
  .index-footer {
    display: none;
  }

  .index-row {
    min-height: 50px;
    padding: 7px 8px;
  }

  .index-row strong {
    font-size: 0.72rem;
  }

  .index-row small {
    display: none;
  }

  .preview-badge {
    display: none;
  }
}

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

  *,
  *::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;
  }
}