:root {
  --ink: #13201d;
  --ink-soft: #4f5d58;
  --paper: #f4f2e9;
  --paper-deep: #e9e6d9;
  --white: #fffef9;
  --yellow: #f4d21f;
  --yellow-soft: #ffec76;
  --green: #173e34;
  --line: rgba(19, 32, 29, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", Arial, sans-serif;
}

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

.site-header {
  align-items: center;
  background: rgba(244, 242, 233, 0.92);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 84px;
  padding: 0 5vw;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-family: Manrope, Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 750;
  gap: 12px;
  letter-spacing: -0.03em;
  width: fit-content;
}

.brand-mark {
  align-items: center;
  background: var(--yellow);
  border-radius: 7px;
  display: inline-flex;
  font-size: 0.7rem;
  height: 34px;
  justify-content: center;
  letter-spacing: -0.06em;
  width: 34px;
}

nav {
  display: flex;
  font-size: 0.86rem;
  font-weight: 600;
  gap: clamp(24px, 4vw, 54px);
}

nav a,
.text-link {
  position: relative;
}

nav a::after,
.text-link::after {
  background: var(--ink);
  bottom: -6px;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
  width: 100%;
}

nav a:hover::after,
nav a:focus-visible::after,
.text-link:hover::after,
.text-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-contact {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  gap: 8px;
  justify-self: end;
  padding: 11px 18px;
  transition: 160ms ease;
}

.header-contact:hover,
.header-contact:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.header-contact svg,
.primary-button svg,
.contact-strip a svg {
  height: 16px;
  width: 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  min-height: calc(100svh - 84px);
  overflow: hidden;
}

.hero-copy {
  align-self: center;
  padding: clamp(70px, 9vw, 135px) 5vw;
}

.eyebrow,
.section-number {
  align-items: center;
  color: var(--ink-soft);
  display: flex;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  margin: 0 0 34px;
  text-transform: uppercase;
}

.status-dot {
  background: var(--yellow);
  border: 3px solid rgba(244, 210, 31, 0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--yellow);
  height: 8px;
  margin-right: 12px;
  width: 8px;
}

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

h1,
h2 {
  font-family: Manrope, Arial, sans-serif;
  letter-spacing: -0.055em;
}

h1 {
  font-size: clamp(3.25rem, 6.2vw, 6.8rem);
  font-weight: 590;
  line-height: 0.94;
  margin-bottom: 34px;
  max-width: 980px;
}

h1 span {
  color: var(--green);
  display: block;
  font-style: italic;
  font-weight: 430;
}

.hero-intro {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.75;
  max-width: 680px;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 44px;
}

.primary-button {
  align-items: center;
  background: var(--ink);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 700;
  gap: 12px;
  padding: 16px 23px;
  transition: 160ms ease;
}

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

.text-link {
  font-size: 0.86rem;
  font-weight: 700;
}

.text-link span {
  margin-left: 8px;
}

.process-visual {
  align-items: center;
  background: var(--yellow);
  display: flex;
  justify-content: center;
  min-height: 620px;
  overflow: hidden;
  position: relative;
}

.visual-grid {
  background-image:
    linear-gradient(rgba(19, 32, 29, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 32, 29, 0.1) 1px, transparent 1px);
  background-size: 56px 56px;
  inset: 0;
  mask-image: radial-gradient(circle, black, transparent 72%);
  position: absolute;
}

.orbit {
  border: 1px solid rgba(19, 32, 29, 0.36);
  border-radius: 50%;
  position: absolute;
}

.orbit::before,
.orbit::after {
  background: var(--ink);
  border: 5px solid var(--yellow-soft);
  border-radius: 50%;
  content: "";
  height: 22px;
  position: absolute;
  width: 22px;
}

.orbit-one {
  height: clamp(300px, 35vw, 520px);
  width: clamp(300px, 35vw, 520px);
}

.orbit-one::before {
  left: 10%;
  top: 16%;
}

.orbit-one::after {
  bottom: 6%;
  right: 22%;
}

.orbit-two {
  border-style: dashed;
  height: clamp(215px, 24vw, 350px);
  transform: rotate(-28deg);
  width: clamp(215px, 24vw, 350px);
}

.orbit-two::before {
  right: 4%;
  top: 38%;
}

.orbit-two::after {
  bottom: 10%;
  left: 16%;
}

.core {
  align-items: center;
  background: var(--ink);
  border: 8px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  color: var(--white);
  display: flex;
  flex-direction: column;
  height: clamp(150px, 17vw, 230px);
  justify-content: center;
  position: relative;
  width: clamp(150px, 17vw, 230px);
  z-index: 2;
}

.core span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  opacity: 0.62;
}

.core strong {
  font-family: Manrope, Arial, sans-serif;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  font-weight: 540;
  letter-spacing: -0.08em;
  line-height: 1.05;
}

.core small {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  margin-top: 8px;
  text-transform: uppercase;
}

.process-label {
  background: var(--white);
  border: 1px solid rgba(19, 32, 29, 0.18);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(19, 32, 29, 0.1);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  position: absolute;
  text-transform: uppercase;
  z-index: 3;
}

.label-feed {
  left: 10%;
  top: 18%;
}

.label-control {
  right: 9%;
  top: 29%;
}

.label-output {
  bottom: 16%;
  right: 15%;
}

.section-shell {
  padding: clamp(90px, 12vw, 170px) 5vw;
}

.about {
  background: var(--white);
  display: grid;
  gap: 8vw;
  grid-template-columns: minmax(260px, 0.75fr) minmax(480px, 1.25fr);
}

.section-heading h2,
.vision-card h2 {
  font-size: clamp(2.5rem, 4.5vw, 5rem);
  font-weight: 530;
  line-height: 1.02;
  margin: 0;
}

.about-content {
  border-left: 1px solid var(--line);
  padding-left: 6vw;
}

.about-content > p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 720px;
}

.about-content .lead-copy {
  color: var(--ink);
  font-family: Manrope, Arial, sans-serif;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  font-weight: 520;
  letter-spacing: -0.035em;
  line-height: 1.35;
}

.principle-grid {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
}

.principle-grid article {
  border-right: 1px solid var(--line);
  padding: 28px 26px 0 0;
}

.principle-grid article + article {
  padding-left: 26px;
}

.principle-grid article:last-child {
  border-right: 0;
}

.principle-grid span {
  color: #8a918e;
  font-size: 0.68rem;
  font-weight: 750;
}

.principle-grid h3 {
  font-family: Manrope, Arial, sans-serif;
  font-size: 1rem;
  margin: 28px 0 10px;
}

.principle-grid p {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.65;
}

.vision {
  background: var(--ink);
}

.vision-card {
  background: var(--yellow);
  display: grid;
  gap: clamp(70px, 10vw, 150px);
  grid-template-columns: 1.15fr 0.85fr;
  padding: clamp(42px, 7vw, 98px);
}

.vision-card .section-number {
  color: rgba(19, 32, 29, 0.65);
}

.vision-copy {
  align-self: end;
  border-left: 1px solid rgba(19, 32, 29, 0.25);
  padding-left: clamp(32px, 5vw, 72px);
}

.vision-copy p {
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.75;
}

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

.contact-strip {
  background: var(--paper-deep);
  padding: clamp(90px, 12vw, 170px) 5vw;
  text-align: center;
}

.contact-strip > p {
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact-strip h2 {
  font-size: clamp(3rem, 7vw, 7.5rem);
  font-weight: 500;
  line-height: 1;
  margin: 36px auto 54px;
}

.contact-strip a {
  align-items: center;
  border-bottom: 1px solid var(--ink);
  display: inline-flex;
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 650;
  gap: 10px;
  padding-bottom: 6px;
}

footer {
  align-items: center;
  background: var(--ink);
  color: var(--white);
  display: grid;
  font-size: 0.72rem;
  grid-template-columns: 1fr auto 1fr;
  padding: 34px 5vw;
}

footer p {
  margin: 0;
  opacity: 0.6;
}

footer p:last-child {
  justify-self: end;
}

.footer-brand {
  font-size: 0.92rem;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .process-visual {
    min-height: 620px;
  }

  .about,
  .vision-card {
    grid-template-columns: 1fr;
  }

  .about-content,
  .vision-copy {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 44px;
  }

  .vision-copy {
    border-color: rgba(19, 32, 29, 0.25);
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 74px;
  }

  .site-header nav {
    display: none;
  }

  .brand span:last-child {
    font-size: 0.95rem;
  }

  .header-contact {
    padding: 10px 15px;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    padding-bottom: 80px;
    padding-top: 72px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.4rem);
  }

  .process-visual {
    min-height: 500px;
  }

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

  .principle-grid article,
  .principle-grid article + article {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    padding: 24px 0;
  }

  .principle-grid article:last-child {
    border-bottom: 0;
  }

  .principle-grid h3 {
    margin-top: 14px;
  }

  .vision-card {
    padding: 38px 26px;
  }

  footer {
    gap: 20px;
    grid-template-columns: 1fr;
    text-align: left;
  }

  footer p:last-child {
    justify-self: start;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}