:root {
  --ink: #080807;
  --ink-soft: #100f0c;
  --gold: #b68132;
  --gold-bright: #d6a957;
  --gold-pale: #efcf8a;
  --paper: #f7f2e8;
  --muted: #c7c1b7;
  --line-dark: rgba(239, 207, 138, 0.2);
  --container: 1180px;
  --header-height: 72px;
  --display: "Arial Black", "Trebuchet MS", Arial, sans-serif;
  --body: Inter, Aptos, "Segoe UI", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

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

:focus-visible {
  outline: 2px solid var(--gold-pale);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus-visible {
  width: auto;
  height: auto;
  padding: 10px 14px;
  margin: 0;
  overflow: visible;
  clip: auto;
  clip-path: none;
}

section[id] {
  scroll-margin-top: var(--header-height);
}

.container {
  width: min(calc(100% - 12vw), var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(239, 207, 138, 0.13);
  background: rgba(8, 7, 11, 0.76);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(8, 7, 11, 0.95);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

.header-inner {
  width: min(calc(100% - 8vw), 1320px);
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  text-decoration: none;
}

.header-brand {
  min-width: 0;
  gap: 12px;
}

.brand-wordmark {
  color: var(--gold-bright);
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
  text-shadow: 0 1px 14px rgba(214, 169, 87, 0.18);
  white-space: nowrap;
}

@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  .brand-wordmark {
    color: transparent;
    background: linear-gradient(180deg, #f3d58a 0%, #d6a957 48%, #a66e25 100%);
    background-clip: text;
    -webkit-background-clip: text;
  }
}

.header-logo,
.footer-logo {
  display: block;
  width: 72px;
  height: auto;
  max-height: 54px;
  object-fit: contain;
}

.footer-logo {
  width: 92px;
  max-height: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 44px);
}

.site-nav a {
  position: relative;
  padding-block: 8px;
  color: #d8d1c6;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--gold-bright);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--gold-pale);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  padding: 0;
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 1px;
  display: block;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 52px) 0 72px;
  background:
    radial-gradient(ellipse at 18% 62%, rgba(214, 169, 87, 0.075), transparent 34%),
    radial-gradient(ellipse at 84% 28%, rgba(255, 255, 255, 0.025), transparent 32%),
    linear-gradient(120deg, #050505 0%, #090806 52%, #0d0b07 100%);
  isolation: isolate;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 3, 3, 0.48) 0%, rgba(3, 3, 3, 0.7) 48%, rgba(3, 3, 3, 0.9) 100%),
    linear-gradient(180deg, rgba(3, 3, 3, 0.52) 0%, transparent 32%, rgba(3, 3, 3, 0.72) 100%);
}

.hero::after {
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  background-image:
    linear-gradient(30deg, rgba(214, 169, 87, 0.02) 1px, transparent 1px),
    linear-gradient(150deg, rgba(214, 169, 87, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 169, 87, 0.012) 1px, transparent 1px);
  background-size: 86px 50px;
  mask-image: linear-gradient(90deg, black, transparent 68%);
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  background: #050505;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(48px, 8vw, 120px);
}

.hero-content {
  max-width: 730px;
}

.hero-core-panel {
  position: relative;
  display: grid;
  width: min(100%, 460px);
  aspect-ratio: 16 / 9;
  min-width: 0;
  padding: 3px;
  overflow: hidden;
  align-items: center;
  justify-items: center;
  justify-self: start;
  clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%);
  background: linear-gradient(135deg, #9e6a25 0%, #edcd80 24%, #b78032 52%, #f0d58e 76%, #8e5c1f 100%);
  filter:
    drop-shadow(0 0 10px rgba(214, 169, 87, 0.12))
    drop-shadow(0 20px 34px rgba(0, 0, 0, 0.38));
  isolation: isolate;
  transform: translate(-60px, -24px);
}

.hero-core-panel::before,
.hero-core-panel::after {
  content: "";
  position: absolute;
  pointer-events: none;
  clip-path: inherit;
}

.hero-core-panel::before {
  inset: 3px;
  z-index: 2;
  background: transparent;
  box-shadow:
    inset 0 0 30px rgba(0, 0, 0, 0.46),
    inset 0 0 8px rgba(239, 207, 138, 0.08);
}

.hero-core-panel::after {
  inset: 0;
  z-index: 3;
  opacity: 0.2;
  background:
    linear-gradient(120deg, rgba(255, 236, 181, 0.32), transparent 24%),
    linear-gradient(300deg, rgba(86, 52, 13, 0.28), transparent 26%);
}

.hero-identifier {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 22px;
  margin-bottom: 24px;
}

.hero-core-video {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: transparent;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--gold-bright);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-identifier .eyebrow {
  margin: 0;
}

.hero h1,
.section-heading h2,
.argus-copy h2,
.principles-heading h2,
.contact h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(3rem, 5.9vw, 6.2rem);
  line-height: 0.99;
}

.hero-copy {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--gold-bright);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, color 180ms ease, background 180ms ease;
}

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

.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 4px rgba(214, 169, 87, 0.16);
}

.button-primary {
  background: var(--gold);
  color: var(--ink);
}

.button-primary:hover {
  background: var(--gold-bright);
}

.button-secondary {
  background: rgba(8, 7, 11, 0.26);
  color: var(--gold-pale);
}

.button-secondary:hover {
  background: rgba(214, 169, 87, 0.1);
}

.scroll-cue {
  position: absolute;
  right: 4vw;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #aaa298;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-cue i {
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--gold-bright), transparent);
}

.section-gold {
  background: var(--gold);
  color: var(--ink);
}

.section-dark {
  background: var(--ink);
}

.about,
.contact {
  position: relative;
  overflow: hidden;
}

.about {
  padding: clamp(76px, 7vw, 110px) 0 clamp(32px, 4vw, 44px);
}

.contact {
  padding-block: clamp(88px, 10vw, 142px);
}

.about::after,
.contact::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -220px;
  bottom: -230px;
  border: 1px solid rgba(8, 7, 11, 0.2);
  transform: rotate(45deg);
}

.section-grid,
.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(50px, 9vw, 140px);
}

.section-gold .section-kicker {
  color: rgba(8, 7, 11, 0.68);
}

.section-heading h2,
.contact h2 {
  max-width: 640px;
  font-size: clamp(2.4rem, 4.7vw, 5.1rem);
  line-height: 1.03;
}

.section-copy {
  align-self: center;
  max-width: 630px;
  font-size: clamp(1.02rem, 1.45vw, 1.2rem);
}

.section-copy p,
.argus-narrative > p,
.contact p {
  margin-top: 0;
}

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

.about-transition {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 8vw), 1180px);
  max-height: 560px;
  margin: clamp(36px, 4vw, 52px) auto 0;
  overflow: hidden;
  border-block: 1px solid rgba(8, 7, 11, 0.36);
  background: #050505;
  box-shadow: 0 34px 90px rgba(8, 7, 11, 0.3);
}

.about-transition img {
  width: 100%;
  height: auto;
  max-height: 560px;
  display: block;
  margin-inline: auto;
  object-fit: contain;
}

.argus {
  position: relative;
  padding: clamp(80px, 6vw, 96px) 0 clamp(64px, 5vw, 80px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  background:
    radial-gradient(ellipse at 79% 38%, rgba(214, 169, 87, 0.045), transparent 34%),
    linear-gradient(110deg, #080807 0%, #0d0b08 100%);
}

.argus-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3vw, 42px);
}

.argus-copy {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  align-items: start;
  gap: clamp(48px, 5vw, 80px);
  max-width: none;
}

.argus-title-block {
  width: 100%;
  max-width: 420px;
  min-width: 0;
}

.argus-narrative {
  min-width: 0;
}

.argus-copy h2 {
  max-width: 100%;
  color: var(--gold-bright);
  font-size: clamp(4.5rem, 6vw, 6rem);
  line-height: 0.9;
  white-space: nowrap;
}

.section-lead {
  margin: 0 0 22px !important;
  color: var(--paper);
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  line-height: 1.38;
}

.argus-narrative > p:not(.section-lead):not(.development-status) {
  color: var(--muted);
}

.development-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 30px 0 0 !important;
  color: var(--gold-pale);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.development-status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 0 6px rgba(214, 169, 87, 0.1);
}

.argus-showcase {
  width: 100%;
  margin: 0;
  padding: clamp(4px, 0.5vw, 7px);
  overflow: hidden;
  border: 1px solid rgba(214, 169, 87, 0.55);
  border-radius: 10px;
  background: #030303;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.46);
}

.argus-showcase img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.argus-system {
  min-width: 0;
}

.system-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-list li {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(24px, 2.5vw, 34px);
  border: 1px solid var(--line-dark);
  background: rgba(7, 6, 4, 0.72);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.system-list li:hover,
.system-list li:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(214, 169, 87, 0.55);
  background: rgba(214, 169, 87, 0.045);
}

.feature-icon,
.principle-icon {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  color: var(--gold-bright);
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-number {
  margin-top: 34px;
  color: var(--gold-bright);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.system-list strong {
  margin-top: 10px;
  font-size: 0.81rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-list p {
  margin: 14px 0 0;
  color: #aaa399;
  font-size: 0.86rem;
  line-height: 1.55;
}

.principles {
  padding: clamp(72px, 6vw, 96px) 0;
  background: #050505;
}

.principles-heading {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.principles-heading h2 {
  color: var(--gold-bright);
  font-size: clamp(2.35rem, 4.6vw, 5rem);
  line-height: 1.07;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(38px, 5vw, 64px);
}

.principle-card {
  min-height: 325px;
  padding: clamp(28px, 3.5vw, 44px) clamp(22px, 2.7vw, 34px);
  border: 1px solid var(--line-dark);
  background: rgba(7, 6, 4, 0.72);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.principle-card:hover,
.principle-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(214, 169, 87, 0.55);
  background: rgba(214, 169, 87, 0.045);
}

.principle-icon {
  margin-bottom: 36px;
}

.principle-card h3 {
  margin: 0 0 16px;
  color: var(--gold-bright);
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.principle-card p {
  margin: 0;
  color: #aaa399;
  font-size: 0.91rem;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: end;
}

.contact h2 {
  margin-bottom: 28px;
}

.contact p:not(.section-kicker) {
  max-width: 570px;
  margin-bottom: 0;
  font-size: 1.05rem;
}

.contact-links {
  display: grid;
  gap: 12px;
}

.contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 22px;
  border: 1px solid rgba(8, 7, 11, 0.42);
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  background: var(--ink);
  color: var(--gold-pale);
}

.contact-links span {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-links strong {
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
}

.site-footer {
  padding-block: 42px;
  border-top: 1px solid var(--line-dark);
  background: #040405;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 38px;
}

.footer-brand {
  justify-self: start;
}

.company-details {
  color: #aaa399;
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.company-details p,
.copyright {
  margin: 0;
}

.copyright {
  color: #817b72;
  font-size: 0.73rem;
  text-align: right;
}

.footer-contact {
  justify-self: end;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  text-align: right;
}

.footer-contact a {
  color: var(--gold-pale);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration-color: rgba(239, 207, 138, 0.45);
  text-underline-offset: 4px;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--gold-bright);
  text-decoration-color: currentColor;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.js .principle-card:nth-child(2) {
  transition-delay: 70ms;
}

.js .principle-card:nth-child(3) {
  transition-delay: 140ms;
}

.js .principle-card:nth-child(4) {
  transition-delay: 210ms;
}

@media (max-width: 1024px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 9vw), var(--container));
  }

  .hero-grid {
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
    gap: 48px;
  }

  .hero-core-video {
    width: 100%;
  }

  .hero-core-panel {
    transform: none;
  }

  .section-grid,
  .contact-grid {
    gap: 54px;
  }

  .argus-copy {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .system-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .principle-card {
    min-height: 280px;
  }

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

  .company-details {
    justify-self: end;
    text-align: right;
  }

  .footer-contact {
    grid-column: 1 / -1;
    justify-self: start;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    position: relative;
    z-index: 2;
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    gap: 0;
    max-height: calc(100svh - var(--header-height));
    padding: 14px 20px 24px;
    overflow-y: auto;
    transform: translateY(-130%);
    border-bottom: 1px solid var(--line-dark);
    background: rgba(8, 7, 11, 0.98);
    visibility: hidden;
    transition: transform 200ms ease, visibility 200ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 15px 2px;
    border-bottom: 1px solid rgba(239, 207, 138, 0.1);
  }

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

@media (max-width: 760px) {
  :root {
    --header-height: 64px;
  }

  .container {
    width: min(calc(100% - 40px), var(--container));
  }

  .header-inner {
    width: calc(100% - 32px);
  }

  .header-logo {
    width: 62px;
    max-height: 48px;
  }

  .header-brand {
    gap: 10px;
  }

  .brand-wordmark {
    font-size: 0.95rem;
    letter-spacing: 0.12em;
  }

  .hero {
    min-height: 100svh;
    padding: calc(var(--header-height) + 42px) 0 72px;
  }

  .about {
    padding: 64px 0 32px;
  }

  .about-transition {
    width: calc(100% - 40px);
    margin-top: 36px;
  }

  .argus {
    padding: 72px 0 58px;
  }

  .principles {
    padding: 64px 0 72px;
  }

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

  .hero-core-panel {
    width: min(100%, 320px);
    justify-content: center;
    justify-self: center;
  }

  .hero-video {
    object-position: center 42%;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(3, 3, 3, 0.82) 0%, rgba(3, 3, 3, 0.7) 48%, rgba(3, 3, 3, 0.84) 100%);
  }

  .hero-identifier {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .hero-core-video {
    width: 100%;
  }

  .hero h1 {
    max-width: 600px;
    font-size: clamp(2.65rem, 12.5vw, 4.35rem);
  }

  .hero-copy {
    margin-top: 22px;
    font-size: 0.98rem;
  }

  .hero-actions {
    margin-top: 28px;
  }

  .button {
    width: 100%;
  }

  .scroll-cue {
    display: none;
  }

  .section-grid,
  .contact-grid,
  .argus-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .section-heading h2,
  .contact h2 {
    font-size: clamp(2.4rem, 11vw, 4rem);
  }

  .argus-copy h2 {
    font-size: clamp(3.25rem, 18vw, 5rem);
  }

  .argus-copy {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .system-list {
    grid-template-columns: 1fr;
  }

  .system-list li {
    min-height: 0;
  }

  .principles-heading {
    text-align: left;
  }

  .principles-heading h2 {
    font-size: clamp(2.2rem, 10.5vw, 3.8rem);
  }

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

  .principle-card {
    min-height: 0;
  }

  .contact-grid {
    align-items: start;
  }

  .contact-links a {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

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

  .footer-brand,
  .company-details,
  .footer-contact {
    grid-column: auto;
    justify-self: start;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 390px) {
  .header-logo {
    width: 58px;
  }

  .header-brand {
    gap: 8px;
  }

  .brand-wordmark {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .contact-links strong {
    font-size: 0.83rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation: none !important;
  }

  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-video {
    display: none;
  }
}

@media print {
  @page {
    margin: 15mm;
  }

  html {
    scroll-behavior: auto;
    scroll-padding-top: 0;
  }

  body {
    overflow: visible;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .site-header {
    position: static;
    min-height: 0;
    background: var(--ink);
    box-shadow: none;
    backdrop-filter: none;
  }

  .header-inner {
    min-height: 0;
    padding-block: 12px;
  }

  .site-nav,
  .nav-toggle,
  .hero-video,
  .scroll-cue {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 28px 0 36px;
  }

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

  .hero::before,
  .hero::after,
  .about::after,
  .contact::after {
    display: none;
  }

  .about,
  .argus,
  .principles,
  .contact {
    min-height: auto !important;
    padding: 32px 0 !important;
  }

  .about-transition {
    width: 100%;
    max-height: none;
    margin: 24px auto 0;
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .about-transition img {
    max-height: 120mm;
    object-fit: contain;
  }

  .argus-grid {
    gap: 24px;
  }

  .argus-copy {
    gap: 28px;
    padding-bottom: 24px;
  }

  .system-list,
  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .principles-heading {
    break-after: avoid;
    page-break-after: avoid;
  }

  .principle-grid {
    margin-top: 28px;
  }

  .system-list li,
  .principle-card,
  .contact-links a,
  .footer-inner {
    min-height: 0;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  [data-reveal],
  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}