:root {
  --ink: #211646;
  --ink-2: #231e46;
  --violet: #8c84d6;
  --turquoise: #34d9c3;
  --coral: #ff8671;
  --paper: #fbfaf7;
  --soft: #f2f0ec;
  --white: #ffffff;
  --muted: #665f7a;
  --line: rgba(35, 30, 70, 0.14);
  --shadow: 0 24px 70px rgba(33, 22, 70, 0.16);
  --radius: 8px;
  --header-height: 78px;
  font-family:
    Inter, "Segoe UI", Roboto, Helvetica, Arial, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: calc(var(--header-height) + 1.2rem);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(52, 217, 195, 0.54);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  color: var(--white);
  font-size: clamp(2.65rem, 5.45vw, 5.35rem);
  font-weight: 780;
}

.legal-page h1 {
  color: var(--ink);
}

h2 {
  max-width: 12ch;
  font-size: clamp(2.1rem, 5vw, 4.6rem);
  font-weight: 760;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 740;
}

::selection {
  background: var(--turquoise);
  color: var(--ink);
}

.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: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-180%);
  border-radius: 6px;
  background: var(--turquoise);
  color: var(--ink);
  padding: 0.75rem 1rem;
  font-weight: 760;
}

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

.content-grid {
  width: min(100% - 2rem, 1180px);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 0.75rem clamp(1rem, 4vw, 3rem);
  color: var(--white);
  transition:
    background 220ms ease,
    box-shadow 220ms ease,
    color 220ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(251, 250, 247, 0.94);
  color: var(--ink);
  box-shadow: 0 12px 34px rgba(33, 22, 70, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: clamp(198px, 18vw, 278px);
  min-height: 44px;
  align-items: center;
  gap: 0.58rem;
}

.brand img {
  height: auto;
  filter: brightness(0) invert(1);
  transition: filter 220ms ease;
}

.brand__symbol {
  width: clamp(34px, 3.1vw, 46px);
  flex: 0 0 auto;
}

.brand__wordmark {
  width: min(100%, 220px);
  flex: 1 1 auto;
}

.site-header.is-scrolled .brand img,
.site-header.is-open .brand img {
  filter: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  font-size: 0.9rem;
  font-weight: 680;
}

.site-nav a {
  position: relative;
  padding-block: 0.5rem;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.25rem;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: currentColor;
  transition: transform 180ms ease;
}

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

.nav-cta {
  border: 1px solid currentColor;
  border-radius: 6px;
  padding: 0.72rem 1rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle__line,
.nav-toggle__line::before,
.nav-toggle__line::after {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle__line {
  position: relative;
}

.nav-toggle__line::before,
.nav-toggle__line::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__line::before {
  top: -7px;
}

.nav-toggle__line::after {
  top: 7px;
}

.site-header.is-open .nav-toggle__line {
  transform: rotate(45deg);
}

.site-header.is-open .nav-toggle__line::before {
  transform: translateY(7px) rotate(90deg);
}

.site-header.is-open .nav-toggle__line::after {
  transform: translateY(-7px);
  opacity: 0;
}

.hero {
  position: relative;
  min-height: min(760px, 88svh);
  overflow: hidden;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.86);
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
  object-position: 62% center;
}

.hero__shade {
  background:
    linear-gradient(90deg, rgba(33, 22, 70, 0.92) 0%, rgba(33, 22, 70, 0.74) 39%, rgba(33, 22, 70, 0.22) 74%),
    linear-gradient(0deg, rgba(33, 22, 70, 0.64), rgba(33, 22, 70, 0.16));
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: min(760px, 88svh);
  padding-block: calc(var(--header-height) + 2.5rem) 4rem;
}

.hero__copy {
  max-width: 720px;
}

.hero-brand-lockup {
  display: inline-flex;
  flex-direction: column;
  gap: 0.56rem;
  width: min(100%, 720px);
  max-width: min(100%, 720px);
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.92);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.22);
  color: var(--ink);
  padding: 0.58rem 1.1rem 0.56rem;
  backdrop-filter: blur(18px);
}

.hero-brand-lockup__identity {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}

.hero-brand-lockup__symbol {
  width: 104px;
  height: auto;
}

.hero-brand-lockup__wordmark {
  width: min(100%, 385px);
  height: auto;
}

.hero-brand-lockup__presentation {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid rgba(33, 22, 70, 0.12);
  padding-top: 0.5rem;
}

.hero-brand-lockup span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 780;
  line-height: 1;
  text-transform: uppercase;
}

.hero-brand-lockup strong {
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1;
}

.hero__lead {
  max-width: 670px;
  margin-top: 1.5rem;
  color: var(--white);
  font-size: clamp(1.25rem, 2vw, 1.72rem);
  line-height: 1.35;
  font-weight: 620;
}

.hero__copy > p:not(.eyebrow, .hero__lead, .hero__proof) {
  max-width: 660px;
  margin-top: 1.1rem;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
}

.hero__proof {
  max-width: 660px;
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.hero__meta {
  color: var(--turquoise);
  font-size: 0.95rem;
  font-weight: 760;
}

.eyebrow,
.panel-label {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section--dark .eyebrow,
.final-cta .eyebrow {
  color: var(--turquoise);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0.86rem 1.15rem;
  font-weight: 760;
  line-height: 1.15;
  text-align: center;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

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

.button--primary:hover,
.button--primary:focus-visible {
  background: #70eadb;
}

.button--secondary {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.button--secondary:hover,
.button--secondary:focus-visible {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.intro-band {
  background: var(--ink);
  color: var(--white);
  padding-block: clamp(2rem, 5vw, 4rem);
}

.intro-band__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(1.25rem, 5vw, 5rem);
  align-items: start;
}

.intro-band p:first-child {
  color: var(--turquoise);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.14;
  font-weight: 760;
}

.intro-band p:last-child {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.section-brand-stamp {
  display: inline-grid;
  grid-template-columns: 58px minmax(0, 220px);
  align-items: center;
  gap: 0.85rem;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.section-brand-stamp__symbol {
  width: 58px;
}

.section-brand-stamp__wordmark {
  width: 220px;
}

.brief-card {
  display: grid;
  gap: 0.85rem;
  min-height: 240px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(251, 250, 247, 0.76)),
    radial-gradient(circle at 100% 0%, rgba(52, 217, 195, 0.16), transparent 44%);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.08);
  padding: clamp(1.15rem, 2.2vw, 1.7rem);
}

.brief-card h3 {
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}

.brief-card p {
  color: var(--muted);
  font-size: 0.98rem;
}

.brief-card--wide {
  grid-column: span 4;
}

.section {
  padding-block: clamp(4.2rem, 9vw, 8.25rem);
}

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

.section--brief,
.section--problem,
.section--benefits,
.section--technology,
.section--transparency,
.section--glossary,
.section--faq {
  background: var(--soft);
}

.section--dark,
.final-cta {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
}

.section--dark h2,
.section--dark h3,
.final-cta h2,
.final-cta h3 {
  color: var(--white);
}

.two-column,
.split-feature,
.faq-layout,
.license-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.two-column--reverse {
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
}

.section__header {
  display: grid;
  gap: 0.95rem;
}

.section__header p:not(.eyebrow) {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
}

.section__header--center {
  width: min(780px, 100%);
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}

.section__header--center h2 {
  max-width: 15ch;
}

.section--dark .section__header p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.68);
}

.brand-universe {
  align-items: center;
}

.brand-universe__content {
  display: grid;
  grid-template-columns: minmax(160px, 0.5fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: center;
}

.brand-universe__mark {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  min-height: 260px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 35%, rgba(52, 217, 195, 0.18), transparent 48%),
    linear-gradient(145deg, rgba(140, 132, 214, 0.16), rgba(255, 255, 255, 0.74));
  padding: 1.4rem;
}

.brand-universe__symbol {
  width: min(36%, 128px);
  height: auto;
}

.brand-universe__logo {
  width: min(58%, 240px);
  min-width: 180px;
  height: auto;
}

.section--brand-authority {
  background:
    linear-gradient(135deg, rgba(251, 250, 247, 0.96), rgba(242, 240, 236, 0.96)),
    radial-gradient(circle at 90% 20%, rgba(140, 132, 214, 0.18), transparent 34%);
}

.brand-authority {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.pillar-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pillar-list li {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: 0 0 0.75rem 1.35rem;
  color: var(--ink);
  font-weight: 720;
}

.pillar-list li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: var(--turquoise);
}

.flow {
  display: grid;
  gap: 1.05rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.13rem);
}

.section--dark .flow,
.final-cta .flow {
  color: rgba(255, 255, 255, 0.74);
}

.statement,
.key-message,
.tagline {
  color: var(--ink);
  font-size: clamp(1.28rem, 2.1vw, 1.8rem);
  line-height: 1.22;
  font-weight: 760;
}

.section--dark .key-message,
.final-cta .tagline {
  color: var(--turquoise);
}

.aerocore-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.aerocore-visual {
  position: relative;
  min-height: clamp(300px, 45vw, 520px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(52, 217, 195, 0.15), transparent 34%),
    linear-gradient(315deg, rgba(255, 134, 113, 0.16), transparent 42%),
    #1a1238;
}

.aerocore-visual img {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(62%, 300px);
  opacity: 0.42;
  filter: brightness(0) invert(1);
  transform: translate(-50%, -50%);
}

.breath-lines {
  position: absolute;
  inset: 15% 12%;
  display: grid;
  place-items: center;
}

.breath-lines span {
  position: absolute;
  width: min(84%, 390px);
  height: min(84%, 390px);
  border: 1px solid rgba(52, 217, 195, 0.34);
  border-radius: 50%;
  transform: scaleX(0.42);
  animation: breathe 5.8s ease-in-out infinite;
}

.breath-lines span:nth-child(2) {
  border-color: rgba(140, 132, 214, 0.46);
  animation-delay: -1.5s;
}

.breath-lines span:nth-child(3) {
  border-color: rgba(255, 134, 113, 0.4);
  animation-delay: -3s;
}

.technology-showcase {
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.42fr);
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.technology-media {
  position: relative;
  display: grid;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 38%, rgba(52, 217, 195, 0.18), transparent 42%),
    linear-gradient(145deg, #181134, #24184d);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.1);
}

.technology-media::after {
  content: none;
}

.technology-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.technology-media figcaption {
  position: static;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
  font-weight: 720;
  line-height: 1.35;
  padding: 0.85rem 1rem 1rem;
}

.technology-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.technology-showcase .technology-grid {
  grid-template-columns: 1fr;
  margin-top: 0;
}

.technology-card {
  position: relative;
  display: grid;
  min-height: 210px;
  align-content: space-between;
  gap: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(251, 250, 247, 0.66)),
    radial-gradient(circle at 100% 0%, rgba(52, 217, 195, 0.2), transparent 42%);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.08);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.technology-card::after {
  content: "";
  position: absolute;
  right: -4rem;
  bottom: -5rem;
  width: 12rem;
  height: 12rem;
  border: 1px solid rgba(52, 217, 195, 0.25);
  border-radius: 50%;
}

.technology-card span {
  color: var(--violet);
  font-size: 0.82rem;
  font-weight: 820;
}

.technology-card p,
.technology-note {
  color: var(--muted);
}

.technology-note {
  width: min(760px, 100%);
  margin: clamp(1.4rem, 3vw, 2rem) auto 0;
  border-left: 3px solid var(--turquoise);
  padding-left: 1rem;
  font-size: 0.98rem;
}

@keyframes breathe {
  0%,
  100% {
    transform: scaleX(0.38) scaleY(1);
    opacity: 0.36;
  }
  50% {
    transform: scaleX(0.74) scaleY(1.08);
    opacity: 0.82;
  }
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.evidence-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.evidence-metric {
  display: grid;
  gap: 0.75rem;
  min-height: 190px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, #ffffff, rgba(251, 250, 247, 0.78)),
    radial-gradient(circle at 0% 100%, rgba(140, 132, 214, 0.15), transparent 44%);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.08);
  padding: clamp(1.25rem, 2.4vw, 1.8rem);
}

.evidence-metric span {
  color: var(--ink);
  font-size: clamp(1.7rem, 3.4vw, 2.65rem);
  font-weight: 800;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.evidence-metric p {
  color: var(--muted);
  font-weight: 620;
}

.evidence-note {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
  border: 1px solid rgba(33, 22, 70, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  padding: 1rem;
  font-size: 0.94rem;
}

.proof-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(230px, 0.72fr);
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.proof-media {
  position: relative;
  margin: 0;
  min-height: 280px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.proof-media--wide {
  grid-row: span 2;
}

.proof-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 420ms ease;
}

.proof-media:hover img {
  transform: scale(1.025);
}

.proof-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(33, 22, 70, 0) 42%, rgba(33, 22, 70, 0.78) 100%);
  pointer-events: none;
}

.proof-media figcaption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 1;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
  font-weight: 720;
  line-height: 1.35;
}

.transparency-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.transparency-card {
  display: grid;
  gap: 0.85rem;
  min-height: 245px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(251, 250, 247, 0.76)),
    radial-gradient(circle at 100% 0%, rgba(140, 132, 214, 0.15), transparent 44%);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.07);
  padding: clamp(1.15rem, 2.2vw, 1.7rem);
}

.transparency-card h3 {
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}

.transparency-card p {
  color: var(--muted);
  font-size: 0.98rem;
}

.benefit-card,
.audience-panel,
.license-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.08);
}

.benefit-card {
  display: grid;
  min-height: 270px;
  align-content: start;
  justify-items: center;
  text-align: center;
  gap: 1rem;
  padding: clamp(1.15rem, 2vw, 1.6rem);
}

.benefit-card img {
  width: 54px;
  height: 54px;
  border-radius: 6px;
  object-fit: cover;
}

.benefit-card p {
  color: var(--muted);
}

.benefit-card--wide {
  grid-column: span 2;
}

.method-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(2rem, 6vw, 6rem);
}

.brand-manifesto {
  background:
    linear-gradient(120deg, rgba(255, 134, 113, 0.14), transparent 32%),
    var(--ink);
  color: var(--white);
  padding-block: clamp(2.8rem, 6vw, 5.4rem);
  text-align: center;
}

.brand-manifesto p {
  max-width: 1120px;
  margin-inline: auto;
  font-size: clamp(1.45rem, 4vw, 3.15rem);
  line-height: 1.08;
}

.method-steps {
  display: grid;
  gap: 1rem;
}

.method-steps article {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 0.5rem 1rem;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.15rem;
}

.method-steps span {
  grid-row: span 2;
  color: var(--violet);
  font-size: 1.05rem;
  font-weight: 820;
}

.method-steps p,
.method-copy {
  color: var(--muted);
}

.method-copy {
  grid-column: 2;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.audience-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.4rem);
}

.audience-panel p:not(.panel-label) {
  color: var(--muted);
}

.audience-panel--alt {
  background: var(--ink);
  color: var(--white);
}

.audience-panel--alt p:not(.panel-label) {
  color: rgba(255, 255, 255, 0.72);
}

.text-link {
  width: fit-content;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 780;
}

.audience-panel--alt .text-link {
  color: var(--turquoise);
}

.license-layout {
  align-items: center;
}

.license-card {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.5rem, 3vw, 2.35rem);
  color: var(--ink);
}

.license-card ul {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.license-card li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--muted);
}

.license-card li::before {
  content: "";
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 0.54rem;
  height: 0.54rem;
  border-radius: 50%;
  background: var(--turquoise);
}

.license-clarity {
  display: grid;
  gap: 0.8rem;
  border: 1px solid rgba(33, 22, 70, 0.12);
  border-radius: var(--radius);
  background: rgba(242, 240, 236, 0.72);
  padding: 1rem;
}

.license-clarity p {
  color: var(--ink);
  font-weight: 760;
}

.license-clarity ul {
  gap: 0.55rem;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.glossary-card {
  display: grid;
  gap: 0.8rem;
  min-height: 210px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 42px rgba(33, 22, 70, 0.07);
  padding: clamp(1.15rem, 2.2vw, 1.65rem);
}

.glossary-card h3 {
  font-size: clamp(1.02rem, 1.5vw, 1.26rem);
}

.glossary-card p {
  color: var(--muted);
  font-size: 0.96rem;
}

.glossary-card--wide {
  grid-column: span 3;
}

.faq-layout {
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 0.7rem;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 1rem 1.15rem;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 780;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--violet);
  font-size: 1.4rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin-top: 0.85rem;
  color: var(--muted);
}

.final-cta {
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.contact-layout {
  align-items: center;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: clamp(1.35rem, 3vw, 2rem);
  color: var(--ink);
}

.form-title {
  font-size: 1.25rem;
  font-weight: 790;
}

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

.contact-form label {
  display: grid;
  gap: 0.42rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 730;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(33, 22, 70, 0.22);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 0.78rem 0.86rem;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--violet);
  outline: 3px solid rgba(140, 132, 214, 0.18);
}

.form-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(52, 217, 195, 0.12), transparent 34%),
    linear-gradient(135deg, #211646 0%, #17102f 100%);
  border-top: 0;
  color: rgba(255, 255, 255, 0.72);
  padding-block: clamp(2.4rem, 5vw, 4rem);
}

.footer-layout {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  position: relative;
  display: grid;
  gap: 1rem;
  max-width: 560px;
}

.footer-brand__identity {
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.footer-brand__symbol {
  width: 78px;
  height: auto;
  filter: brightness(0) invert(1);
}

.footer-brand__logo {
  position: relative;
  z-index: 1;
  width: min(100%, 220px);
  height: auto;
  filter: brightness(0) invert(1);
}

.site-footer p {
  max-width: 420px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  font-weight: 650;
}

.site-footer .footer-note {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.88rem;
  font-weight: 520;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.2rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--white);
  font-weight: 720;
}

html.js [data-reveal] {
  transform: none;
  opacity: 1;
  transition:
    opacity 620ms ease,
    transform 620ms ease;
}

html.js [data-reveal].is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(251, 250, 247, 0.98);
    color: var(--ink);
    box-shadow: var(--shadow);
    padding: 0.75rem;
    transform: translateY(-10px);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
      transform 180ms ease,
      opacity 180ms ease,
      visibility 180ms ease;
  }

  .site-header.is-open .site-nav {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.95rem 0.8rem;
  }

  .nav-cta {
    margin-top: 0.3rem;
    text-align: center;
  }

  .hero {
    min-height: 88svh;
  }

  .hero__content {
    min-height: 88svh;
  }

  .hero__shade {
    background:
      linear-gradient(90deg, rgba(33, 22, 70, 0.94) 0%, rgba(33, 22, 70, 0.78) 62%, rgba(33, 22, 70, 0.34) 100%),
      linear-gradient(0deg, rgba(33, 22, 70, 0.72), rgba(33, 22, 70, 0.12));
  }

  .brand-universe__content {
    grid-template-columns: 1fr;
  }

  .brand-universe__mark {
    min-height: 220px;
  }

  .intro-band__inner,
  .two-column,
  .two-column--reverse,
  .split-feature,
  .faq-layout,
  .license-layout,
  .contact-layout,
  .aerocore-layout,
  .method-layout,
  .brand-authority,
  .technology-showcase {
    grid-template-columns: 1fr;
  }

  .method-copy {
    grid-column: 1;
  }

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

  .brief-grid,
  .evidence-panel,
  .glossary-grid,
  .transparency-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .brief-card--wide,
  .glossary-card--wide {
    grid-column: span 2;
  }

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

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

  .proof-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .proof-media--wide {
    grid-column: span 2;
    grid-row: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 68px;
  }

  .content-grid {
    width: min(100% - 1.2rem, 1180px);
  }

  .site-header {
    padding-inline: 0.75rem;
  }

  .brand {
    width: 188px;
    gap: 0.42rem;
  }

  .brand__symbol {
    width: 34px;
  }

  .brand__wordmark {
    width: 146px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.55rem, 10.8vw, 3.35rem);
  }

  h2 {
    max-width: 11.6ch;
  }

  .hero {
    min-height: 90svh;
  }

  .hero__content {
    min-height: 90svh;
    padding-block: calc(var(--header-height) + 1.6rem) 3rem;
  }

  .hero__image {
    object-position: 69% center;
  }

  .hero__copy {
    max-width: 100%;
  }

  .hero-brand-lockup {
    width: 100%;
    max-width: 380px;
    margin-bottom: 1rem;
    padding: 0.52rem 0.72rem 0.54rem;
  }

  .hero-brand-lockup__identity {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 0.72rem;
  }

  .hero-brand-lockup__symbol {
    width: 64px;
  }

  .hero-brand-lockup__wordmark {
    width: 238px;
  }

  .hero-brand-lockup__presentation {
    padding-top: 0.42rem;
  }

  .hero-brand-lockup span {
    font-size: 0.72rem;
  }

  .hero-brand-lockup strong {
    font-size: 0.9rem;
  }

  .hero__copy > p:not(.eyebrow, .hero__lead, .hero__proof) {
    font-size: 1rem;
  }

  .cta-row,
  .button {
    width: 100%;
  }

  .intro-band__inner {
    gap: 1rem;
  }

  .section {
    padding-block: 4rem;
  }

  .section-brand-stamp {
    grid-template-columns: 48px minmax(0, 190px);
    gap: 0.65rem;
  }

  .section-brand-stamp__symbol {
    width: 48px;
  }

  .section-brand-stamp__wordmark {
    width: 190px;
  }

  .aerocore-visual {
    min-height: 310px;
  }

  .benefit-grid,
  .audience-grid,
  .brief-grid,
  .glossary-grid,
  .proof-gallery,
  .technology-grid,
  .transparency-grid,
  .evidence-panel {
    grid-template-columns: 1fr;
  }

  .brief-card,
  .brief-card--wide,
  .glossary-card,
  .glossary-card--wide,
  .transparency-card {
    grid-column: auto;
    min-height: auto;
  }

  .benefit-card,
  .benefit-card--wide {
    grid-column: auto;
    min-height: auto;
  }

  .proof-media,
  .proof-media--wide {
    grid-column: auto;
    min-height: 260px;
  }

  .method-steps article {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-brand__logo {
    width: 190px;
  }

  .footer-brand__symbol {
    width: 58px;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

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