/* Components use semantic tokens; the header and footer keep their navy identity in both themes. */
:root {
  --gemini-navy: #0b1533;
  --gemini-navy-light: #162448;
  --gemini-primary: #101d49;
  --gemini-gold: #d4af37;
  --gemini-white: #ffffff;
  --gemini-text-secondary: #b9c4da;
  --gemini-border: #283a60;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --font-body: "Inter", Arial, Helvetica, sans-serif;
  --font-heading: "Space Grotesk", "Inter", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
  font-family: var(--font-body);
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --background: var(--gemini-navy);
  --surface: var(--gemini-navy-light);
  --text-primary: var(--gemini-white);
  --text-secondary: var(--gemini-text-secondary);
  --border-color: var(--gemini-border);
  --control-border: #7283a3;
  --accent: var(--gemini-gold);
  --accent-text: var(--gemini-gold);
  --success: #93d8b0;
  --warning: #efd080;
  --error: #ffaaa5;
}
[data-theme="light"] {
  color-scheme: light;
  --background: #f4f5f9;
  --surface: #ffffff;
  --text-primary: var(--gemini-primary);
  --text-secondary: #56627a;
  --border-color: #dce1eb;
  --control-border: #7a859b;
  --accent: #8a701f;
  /* Small gold text needs a darker shade to meet AA on the light background. */
  --accent-text: #80671c;
  --success: #23613f;
  --warning: #715811;
  --error: #a12b30;
}
html {
  color: var(--text-primary);
  background: var(--background);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
p {
  line-height: 1.65;
  margin: 0 0 1em;
}
h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.045em;
}
h1 {
  font-size: clamp(2.8rem, 5.1vw, 5rem);
  line-height: 1.05;
}
h2 {
  font-size: clamp(2.3rem, 3.7vw, 3.6rem);
  line-height: 1.12;
}
h3 {
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
::selection {
  background: var(--gemini-gold);
  color: var(--gemini-navy);
}
.container {
  max-width: 1280px;
  padding-inline: 48px;
  margin-inline: auto;
}
.header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 96px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.075em;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  font-family: Georgia, serif;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: -0.15em;
  padding-right: 5px;
}
.brand-number {
  font-weight: 400;
}
.brand-ai {
  color: var(--accent-text);
  font-weight: 400;
}
nav {
  display: flex;
  gap: 24px;
}
nav a {
  font-size: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color var(--transition-fast);
}
nav a:hover {
  text-decoration: underline;
}
.header-actions {
  display: flex;
  gap: 24px;
  align-items: center;
}
.languages {
  display: flex;
  gap: 7px;
  font-size: 0.7rem;
  white-space: nowrap;
  align-items: center;
}
.languages a {
  text-decoration: none;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 28px;
}
.languages a[aria-current] {
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: underline;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--gemini-gold);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  color: var(--gemini-navy);
  padding: 17px 21px;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}
.button:hover:not(:disabled) {
  background: #e1c252;
}
.button span {
  font-size: 1.2rem;
}
.button-small {
  padding: 12px 14px;
  gap: 18px;
  font-size: 0.75rem;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid var(--text-primary);
  padding-bottom: 5px;
}
.menu-toggle {
  display: none;
  color: var(--text-primary);
  min-height: 44px;
}
.skip {
  position: absolute;
  left: 20px;
  top: -80px;
  z-index: 20;
  color: var(--gemini-navy);
  background: var(--gemini-gold);
  padding: 15px;
}
.skip:focus {
  top: 10px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  line-height: 1.5;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--success);
}
.hero {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 20px;
  padding-block: 86px 76px;
  align-items: center;
}
.hero h1 span {
  color: var(--accent-text);
}
.hero-intro {
  max-width: 470px;
  font-size: 0.96rem;
  color: var(--text-secondary);
  margin-block: 27px 29px;
}
.hero-buttons {
  display: flex;
  align-items: center;
  gap: 26px;
}
.hero-note {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  color: var(--text-secondary);
  margin-top: 22px;
}
.hero-art {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.status-pill {
  position: absolute;
  right: 7px;
  top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 9px 13px;
  font-size: 0.64rem;
  background: var(--background);
  z-index: 1;
}
.orbit-illustration {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  max-width: 490px;
}
.orbit-grid {
  position: absolute;
  inset: 15%;
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 16px 16px;
  mask-image: radial-gradient(ellipse, #000 20%, transparent 70%);
}
.orbit-ring {
  position: absolute;
  left: 14%;
  top: 14%;
  width: 72%;
  height: 72%;
  border: 1px solid var(--control-border);
  border-radius: 50%;
}
.ring-one {
  transform: rotate(-34deg) scaleX(0.56);
  border-color: var(--accent-text);
}
.ring-two {
  transform: rotate(34deg) scaleX(0.56);
}
.orbit-axis {
  position: absolute;
  inset: 14%;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  transform: rotate(-15deg);
}
.orbit-core {
  position: absolute;
  inset: 36%;
  border-radius: 50%;
  background: var(--gemini-gold);
  color: var(--gemini-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.orbit-core > span {
  font-family: Georgia, serif;
  font-size: 4.3rem;
  line-height: 1;
}
.orbit-core small {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  margin-top: 4px;
}
.orbit-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  background: var(--background);
  padding: 7px 8px;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}
.label-top {
  left: 39%;
  top: 9%;
}
.label-right {
  right: 0;
  top: 43%;
}
.label-left {
  left: 0;
  top: 59%;
  background: var(--gemini-navy);
  color: var(--gemini-gold);
  border-color: var(--gemini-navy);
}
.label-bottom {
  left: 34%;
  bottom: 9%;
}
.orbit-dot {
  position: absolute;
  background: var(--gemini-navy);
  width: 10px;
  height: 10px;
  border: 3px solid var(--background);
  outline: 1px solid var(--gemini-navy);
  border-radius: 50%;
}
.dot-one {
  top: 24%;
  left: 30%;
}
.dot-two {
  top: 49%;
  right: 12%;
}
.dot-three {
  bottom: 20%;
  left: 29%;
  background: var(--accent);
  outline-color: var(--accent-text);
}
.orbit-caption {
  position: absolute;
  bottom: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}
.principles {
  border-block: 1px solid var(--border-color);
}
.principles > .container {
  display: flex;
  justify-content: space-between;
  padding-block: 23px;
  gap: 15px;
}
.principles > .container > span {
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.principles span span {
  font-size: 1.1rem;
  color: var(--accent-text);
}
.section {
  padding-block: 100px;
}
.section-heading {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 50px;
}
.section-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 420px;
  margin-bottom: 5px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}
.problem-grid article {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 24px;
  transition: border-color var(--transition-normal);
}
.index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}
.problem-grid h3 {
  margin-block: 27px 13px;
}
.problem-grid p {
  color: var(--text-secondary);
  font-size: 0.86rem;
  max-width: 310px;
}
.product-section {
  background: var(--surface);
  color: var(--text-primary);
  padding-block: 84px;
}
.product-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.product-section .eyebrow {
  color: var(--accent-text);
}
.product-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 25px;
  max-width: 530px;
}
.product-points {
  list-style: none;
  padding: 0;
  margin-block: 30px;
  display: grid;
  gap: 15px;
  font-size: 0.85rem;
}
.product-points li {
  display: flex;
  align-items: center;
  gap: 13px;
}
.product-points span {
  color: var(--accent-text);
}
.small-note {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 470px;
}
.product-section .small-note {
  color: var(--text-secondary);
  max-width: 450px;
}
/* Clip the rotated artwork so it cannot widen small screens. */
.product-symbol {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.symbol-frame {
  width: 100%;
  max-width: 370px;
  aspect-ratio: 1.1;
  border: 1px solid var(--control-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  transform: rotate(-7deg);
  position: relative;
}
.symbol-frame:before {
  content: "";
  position: absolute;
  inset: -12px;
  transform: rotate(14deg);
  border: 1px solid var(--border-color);
  z-index: 0;
  pointer-events: none;
}
.symbol-top,
.symbol-bottom {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.07em;
  position: relative;
}
.symbol-bottom {
  display: flex;
  justify-content: space-between;
}
.symbol-bottom > span {
  font-size: 1.3rem;
  color: var(--accent-text);
}
.symbol-name {
  font-size: 3.9rem;
  letter-spacing: -0.07em;
  position: relative;
}
.symbol-name > span {
  color: var(--accent-text);
}
.symbol-lines {
  display: flex;
  gap: 10px;
  height: 55px;
}
.symbol-lines i {
  flex: 1;
  border: 1px solid var(--control-border);
  border-radius: 50%;
  transform: rotate(-35deg);
}
.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.process-steps li {
  position: relative;
}
.process-steps li:not(:last-child):before {
  content: "";
  position: absolute;
  top: 19px;
  left: 45px;
  right: -10px;
  height: 1px;
  background: var(--border-color);
}
.step-number {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--control-border);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  margin-bottom: 24px;
  background: var(--background);
  position: relative;
}
.process-steps li:nth-child(1) .step-number,
.process-steps li:nth-child(2) .step-number,
.process-steps li:nth-child(5) .step-number {
  color: var(--accent-text);
  border-color: var(--accent-text);
}
.process-steps h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}
.process-steps p {
  color: var(--text-secondary);
  font-size: 0.78rem;
  max-width: 155px;
}
.gates-section {
  background: var(--surface);
  padding-block: 90px;
}
.gates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gates-grid article {
  padding: 27px;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-normal);
}
.gate-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
}
.gate-icon {
  font-size: 1.8rem;
  color: var(--text-primary);
}
.gate-label {
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.gates-grid h3 {
  max-width: 260px;
  margin-bottom: 17px;
  font-size: 1.4rem;
}
.gates-grid p:last-child {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin: 0;
}
.gates-section .small-note {
  margin-top: 23px;
  margin-bottom: 0;
}
.use-cases article {
  display: grid;
  grid-template-columns: 45px 1fr 1.2fr 25px;
  gap: 25px;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-block: 28px;
}
.use-cases article:last-child {
  border-bottom: 1px solid var(--border-color);
}
.use-cases h3 {
  font-size: 1.3rem;
}
.use-cases p {
  color: var(--text-secondary);
  font-size: 0.86rem;
  margin: 0;
}
.use-arrow {
  font-size: 1.5rem;
}
.about-section {
  padding-block: 80px;
  border-block: 1px solid var(--border-color);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
  align-items: center;
}
.twin-symbol {
  background: var(--surface);
  aspect-ratio: 1.1;
  max-width: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.twin-symbol:before,
.twin-symbol:after {
  content: "";
  position: absolute;
  width: 64%;
  height: 80%;
  border: 1px solid var(--control-border);
  border-radius: 50%;
  transform: rotate(30deg);
}
.twin-symbol:after {
  transform: rotate(-30deg);
}
.twin-symbol > span {
  font-family: Georgia, serif;
  font-size: 9rem;
  line-height: 1;
  z-index: 1;
}
.twin-symbol > small {
  position: absolute;
  bottom: 25px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
}
.about-lead {
  margin-top: 25px;
  font-size: 1.06rem;
}
.about-inner p:last-child {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 0;
}
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
}
.contact-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 25px;
  max-width: 330px;
}
.contact-section .small-note {
  max-width: 320px;
  margin-top: 30px;
}
.form-panel {
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: var(--radius-md);
  background: var(--surface);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field {
  margin-bottom: 22px;
}
label {
  display: block;
  font-size: 0.76rem;
  margin-bottom: 10px;
}
label span {
  font-size: 0.61rem;
  color: var(--text-secondary);
}
input,
select,
textarea {
  display: block;
  background: var(--background);
  border: 1px solid var(--control-border);
  width: 100%;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 0.9rem;
  color: var(--text-primary);
}
textarea {
  resize: vertical;
  min-height: 100px;
}
input:disabled,
textarea:disabled {
  background: var(--surface);
  color: var(--text-secondary);
  opacity: 0.7;
  cursor: not-allowed;
}
.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-privacy {
  font-size: 0.69rem;
  color: var(--text-secondary);
  margin-top: 18px;
}
.form-notice {
  font-size: 0.78rem;
  padding: 12px;
  border-left: 2px solid var(--warning);
  background: var(--background);
  color: var(--warning);
}
.form-submit {
  width: 100%;
  margin-top: 10px;
}
.button:disabled {
  cursor: not-allowed;
  background: var(--border-color);
  border-color: var(--border-color);
  color: var(--text-secondary);
}
.form-status {
  font-size: 0.83rem;
  margin: 16px 0 0;
  color: var(--success);
}
.form-status:empty {
  display: none;
}
.form-status.is-error {
  color: var(--error);
}
.cf-turnstile {
  margin-block: 15px;
}
.footer {
  background: var(--gemini-navy);
  color: var(--text-primary);
  padding-block: 50px 23px;
}
.footer .brand-ai {
  color: var(--text-secondary);
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-main p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 15px;
}
.footer-main address {
  font-style: normal;
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.footer-main address strong {
  font-weight: 500;
  color: var(--text-primary);
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.65rem;
  color: var(--text-secondary);
}
.footer-bottom a {
  text-decoration: none;
}
.footer-bottom a:hover {
  text-decoration: underline;
}
.privacy-page {
  max-width: 850px;
  padding-block: 80px;
}
.privacy-page h1 {
  font-size: 3rem;
  margin-block: 40px;
}
.privacy-page section {
  margin-top: 36px;
}
.privacy-page h2 {
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.privacy-page p {
  color: var(--text-secondary);
}
@media (min-width: 1500px) {
  .hero {
    padding-block: 110px 100px;
  }
}
@media (max-width: 1150px) {
  .container {
    padding-inline: 32px;
  }
  nav {
    gap: 16px;
  }
  .header-actions {
    gap: 18px;
  }
  .header-actions > .button {
    display: none;
  }
  .hero {
    gap: 0;
  }
  .hero-buttons {
    gap: 18px;
  }
  .hero-buttons .button {
    padding-inline: 15px;
  }
  .product-inner {
    gap: 45px;
  }
  .contact-section {
    gap: 55px;
  }
  .section-heading {
    gap: 50px;
  }
  .about-inner {
    gap: 60px;
  }
}
/* Navigation remains visible when JavaScript is unavailable. */
@media (max-width: 800px) {
  .header-inner {
    min-height: 80px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .header .brand {
    margin-right: auto;
  }
  .menu-toggle {
    display: flex;
    gap: 10px;
    border: 0;
    background: transparent;
    align-items: center;
    font-size: 0.75rem;
    padding: 10px;
    order: 3;
  }
  .header-actions {
    order: 2;
  }
  nav {
    display: none;
    order: 4;
    width: 100%;
    padding-block: 10px 20px;
    flex-wrap: wrap;
    gap: 20px;
  }
  nav.is-open {
    display: flex;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 55px;
    padding-bottom: 45px;
    gap: 30px;
  }
  .hero h1 {
    font-size: clamp(2.8rem, 7.8vw, 4.3rem);
  }
  .hero-copy {
    max-width: 620px;
  }
  .hero-art {
    max-width: 470px;
    width: 100%;
    margin-inline: auto;
    min-height: 370px;
  }
  .orbit-illustration {
    max-width: 410px;
  }
  .status-pill {
    top: 4px;
    right: 0;
  }
  .principles > .container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px 30px;
  }
  .section {
    padding-block: 70px;
  }
  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 36px;
  }
  .section-intro {
    max-width: 560px;
  }
  .problem-grid {
    gap: 22px;
  }
  .problem-grid h3 {
    font-size: 1.15rem;
  }
  .product-inner {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  /* Clip the rotated artwork so it cannot widen small screens. */
  .product-symbol {
    max-width: 380px;
    width: 100%;
    margin-inline: auto;
  }
  .product-section {
    padding-block: 65px;
  }
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 20px;
  }
  .process-steps li:nth-child(3):before {
    display: none;
  }
  .gates-section {
    padding-block: 65px;
  }
  .gates-grid {
    gap: 12px;
  }
  .gates-grid article {
    padding: 20px;
  }
  .gates-grid h3 {
    font-size: 1.2rem;
  }
  .use-cases article {
    grid-template-columns: 30px 1fr 1.2fr 20px;
    gap: 15px;
  }
  .about-inner {
    grid-template-columns: 1fr 1.3fr;
    gap: 35px;
  }
  .twin-symbol > span {
    font-size: 6rem;
  }
  .contact-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .contact-text {
    max-width: 500px;
  }
  .contact-section .small-note {
    max-width: 500px;
    margin-top: 15px;
  }
  .form-panel {
    max-width: 620px;
    width: 100%;
  }
  .footer-main {
    gap: 30px;
  }
  html:not(.js) nav {
    display: flex;
  }
  html:not(.js) .menu-toggle {
    display: none;
  }
}
@media (max-width: 540px) {
  .container {
    padding-inline: 22px;
  }
  .header-inner {
    min-height: 74px;
    gap: 8px;
    padding-block: 12px;
  }
  .header .brand {
    font-size: 1.15rem;
    gap: 6px;
    flex-basis: calc(100% - 80px);
  }
  .brand-mark {
    font-size: 1.8rem;
  }
  .header-actions {
    margin-left: 0;
    gap: 8px;
    width: 100%;
    justify-content: space-between;
  }
  .menu-toggle {
    padding-right: 0;
    font-size: 0.65rem;
    gap: 5px;
    order: 1;
  }
  .languages {
    font-size: 0.65rem;
    gap: 5px;
  }
  .hero {
    padding-top: 42px;
  }
  .eyebrow {
    font-size: 0.59rem;
    margin-bottom: 23px;
  }
  .hero h1 {
    font-size: clamp(2.45rem, 9.4vw, 3.5rem);
  }
  .hero-intro {
    font-size: 0.9rem;
    margin-block: 23px;
  }
  .hero-buttons {
    flex-wrap: wrap;
    gap: 20px;
  }
  .hero-buttons .button {
    font-size: 0.8rem;
  }
  .hero-note {
    font-size: 0.59rem;
  }
  .hero-art {
    min-height: 300px;
  }
  .orbit-core > span {
    font-size: 3rem;
  }
  .orbit-core small {
    font-size: 0.42rem;
  }
  .orbit-label {
    font-size: 0.45rem;
    padding: 6px;
  }
  .status-pill {
    font-size: 0.58rem;
  }
  .orbit-caption {
    font-size: 0.48rem;
  }
  .principles > .container {
    justify-content: flex-start;
    gap: 10px;
    padding-block: 18px;
  }
  .principles > .container > span {
    width: 100%;
    font-size: 0.7rem;
  }
  .section {
    padding-block: 55px;
  }
  h2 {
    font-size: 2.25rem;
  }
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .problem-grid article {
    padding-top: 18px;
  }
  .problem-grid h3 {
    margin-block: 14px 9px;
    font-size: 1.3rem;
  }
  .problem-grid p {
    max-width: 100%;
  }
  .product-inner {
    gap: 25px;
  }
  /* Clip the rotated artwork so it cannot widen small screens. */
  .product-symbol {
    padding: 20px;
    max-width: 320px;
  }
  .symbol-name {
    font-size: 3rem;
  }
  .symbol-frame {
    padding: 20px;
  }
  .symbol-top {
    font-size: 0.45rem;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .process-steps li {
    padding: 0 0 28px 58px;
    min-height: 100px;
  }
  .process-steps li:not(:last-child):before {
    top: 40px;
    bottom: 0;
    left: 19px;
    width: 1px;
    height: auto;
    right: auto;
    display: block;
  }
  .step-number {
    position: absolute;
    top: 0;
    left: 0;
  }
  .process-steps p {
    max-width: 100%;
    margin-bottom: 0;
  }
  .process-steps h3 {
    padding-top: 7px;
  }
  .gates-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .gates-grid article {
    padding: 24px;
  }
  .gate-header {
    margin-bottom: 22px;
  }
  .gates-grid h3 {
    font-size: 1.5rem;
    max-width: 100%;
  }
  .use-cases article {
    grid-template-columns: 25px 1fr 20px;
    gap: 12px;
    padding-block: 23px;
  }
  .use-cases h3 {
    font-size: 1.2rem;
  }
  .use-cases p {
    grid-column: 2/3;
    grid-row: 2;
  }
  .use-arrow {
    grid-column: 3;
    grid-row: 1;
  }
  .about-section {
    padding-block: 55px;
  }
  .about-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .twin-symbol {
    max-width: 230px;
    width: 100%;
    aspect-ratio: 1.4;
  }
  .twin-symbol > span {
    font-size: 5rem;
  }
  .twin-symbol > small {
    bottom: 12px;
    font-size: 0.5rem;
  }
  .form-panel {
    padding: 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .footer-main {
    flex-direction: column;
    gap: 20px;
    padding-bottom: 25px;
  }
  .footer-main p {
    margin-bottom: 0;
  }
  .footer-bottom {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 15px 22px;
  }
  .footer-bottom span {
    width: 100%;
  }
  .privacy-page {
    padding-block: 40px;
  }
  .privacy-page h1 {
    font-size: 2.4rem;
  }
  .header .brand-mark {
    font-size: 1.65rem;
  }
}
.contact-email {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 24px;
}
.contact-email a {
  display: inline-block;
  margin-top: 6px;
  color: var(--text-primary);
  font-size: 1rem;
}
.header,
.footer {
  --text-primary: var(--gemini-white);
  --text-secondary: var(--gemini-text-secondary);
  --border-color: var(--gemini-border);
  --accent: var(--gemini-gold);
  --accent-text: var(--gemini-gold);
  background: var(--gemini-navy);
  color: var(--text-primary);
}
.brand-mark,
.brand-number,
.index,
.gate-icon,
.step-number,
.use-arrow {
  color: var(--accent-text);
}
nav a:hover,
nav a[aria-current="location"],
.languages a[aria-current] {
  color: var(--accent-text);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 10px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font-size: 0.75rem;
  transition: border-color var(--transition-fast);
}
.theme-toggle[aria-pressed="true"] {
  background: var(--gemini-gold);
  color: var(--gemini-navy);
}
.theme-toggle:hover {
  border-color: var(--accent-text);
}
.theme-toggle:disabled {
  display: none;
}
.button-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--control-border);
}
.button-secondary:hover:not(:disabled) {
  background: var(--surface);
  border-color: var(--accent-text);
}
.problem-grid article:hover,
.gates-grid article:hover {
  border-color: var(--accent-text);
}
.languages a,
.footer-bottom a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.privacy-page h1,
.contact-email a {
  overflow-wrap: anywhere;
}
@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}

.contact-page {
  padding-top: 4rem;
}
.contact-page > h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  margin-block: 1rem;
}
.contact-page > .eyebrow {
  margin-top: 3rem;
}
.contact-details {
  margin-top: 3rem;
  gap: clamp(2rem, 5vw, 5rem);
}
.contact-details h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-block: 1.5rem 1rem;
}
.contact-details address {
  font-style: normal;
  line-height: 1.8;
}
.contact-details .contact-email a {
  overflow-wrap: anywhere;
}
.contact-details > * {
  min-width: 0;
}