:root {
  --graphite: #18201B;
  --forest: #2F5C45;
  --mist: #E9F0EA;
  --parchment: #F7F3EA;
  --copper: #B66A3C;
  --copper-text: #7A3F24;
  --ink-muted: rgba(24, 32, 27, 0.72);
  --line: rgba(24, 32, 27, 0.16);
  --white: #fffdf8;
  --font-sans: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  color: var(--graphite);
  background: var(--parchment);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 96px;
  scroll-behavior: smooth;
}

:where(#top, #work, #method, #acceleration, #scenarios, #contact) {
  scroll-margin-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--graphite);
  background: var(--parchment);
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--copper);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(24, 32, 27, 0.12);
  background: rgba(247, 243, 234, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-link img {
  width: 188px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: rgba(24, 32, 27, 0.76);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-nav a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  border-color: var(--copper);
  color: var(--graphite);
}

.band {
  width: 100%;
  padding: clamp(72px, 9vw, 120px) 0;
}

.band-warm {
  background:
    linear-gradient(90deg, rgba(47, 92, 69, 0.08) 0, transparent 32%),
    var(--parchment);
}

.hero.band {
  padding: clamp(52px, 6vw, 76px) 0 clamp(42px, 5vw, 64px);
}

.band-light {
  background: var(--white);
}

.band-dark {
  color: var(--mist);
  background: var(--graphite);
}

.band-green {
  color: var(--white);
  background: var(--forest);
}

.band-contact {
  background: var(--mist);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(40px, 7vw, 86px);
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--copper-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 820px;
  font-size: clamp(3rem, 6.1vw, 5.2rem);
}

h2 {
  font-size: clamp(2rem, 4.6vw, 4.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

p {
  margin: 0;
}

.hero-lede {
  max-width: 690px;
  margin-top: 28px;
  color: var(--ink-muted);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
}

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

.button-primary,
.button-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
}

.button-primary {
  color: var(--white);
  background: var(--forest);
}

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

.button-secondary {
  color: var(--graphite);
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.68);
}

.button-secondary:hover {
  border-color: var(--copper);
}

.hero-panel {
  border-left: 4px solid var(--copper);
  padding: clamp(28px, 4vw, 42px);
  background: rgba(233, 240, 234, 0.62);
  box-shadow: inset 0 0 0 1px rgba(24, 32, 27, 0.08);
}

.panel-kicker {
  margin-bottom: 24px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.signal-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font-size: 1.05rem;
  font-weight: 600;
}

.signal-row i,
.service-card i {
  color: var(--forest);
  font-size: 1.65rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(36px, 6vw, 64px);
}

.section-heading p:not(.eyebrow) {
  margin-top: 20px;
  color: var(--ink-muted);
  font-size: 1.15rem;
}

.section-heading.inverted p:not(.eyebrow) {
  color: rgba(233, 240, 234, 0.78);
}

.service-grid,
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.service-card,
.scenario-grid article {
  min-width: 0;
  padding: clamp(28px, 4vw, 40px);
  background: var(--white);
}

.service-card h3,
.scenario-grid h3 {
  margin-top: 22px;
}

.service-card p,
.scenario-grid p {
  margin-top: 16px;
  color: var(--ink-muted);
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  gap: clamp(42px, 7vw, 88px);
  align-items: start;
}

.method-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(233, 240, 234, 0.18);
}

.method-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  padding: clamp(24px, 4vw, 34px);
  background: var(--graphite);
}

.method-list span {
  color: var(--copper);
  font-family: var(--font-mono);
  font-weight: 600;
}

.method-list p {
  margin-top: 10px;
  color: rgba(233, 240, 234, 0.72);
}

.acceleration-split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: start;
}

.band-green .eyebrow {
  color: var(--parchment);
}

.split-copy {
  display: grid;
  gap: 18px;
  color: rgba(255, 253, 248, 0.84);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  padding: clamp(34px, 5vw, 58px);
  background: var(--white);
  box-shadow: inset 0 0 0 1px rgba(24, 32, 27, 0.1);
}

.contact-card p:not(.eyebrow) {
  max-width: 720px;
  margin-top: 18px;
  color: var(--ink-muted);
  font-size: 1.12rem;
}

.site-footer {
  color: var(--mist);
  background: var(--graphite);
}

.footer-inner {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.footer-inner a {
  color: rgba(233, 240, 234, 0.76);
}

.footer-inner a:hover {
  color: var(--white);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 148px;
  }

  :where(#top, #work, #method, #acceleration, #scenarios, #contact) {
    scroll-margin-top: 148px;
  }

  .header-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-link img {
    width: 160px;
  }

  .site-nav {
    width: 100%;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 2px;
    font-size: 0.76rem;
  }

  .band {
    padding: 64px 0;
  }

  .hero.band {
    padding: 44px 0 36px;
  }

  .hero-grid,
  .method-layout,
  .acceleration-split,
  .contact-card {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 3.4rem);
  }

  .hero-lede {
    margin-top: 24px;
  }

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

  .hero-panel {
    display: none;
  }

  .service-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .scenario-grid article {
    padding: 28px;
  }

  .method-list li {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }

  .contact-card .button-primary {
    width: 100%;
  }

  .footer-inner {
    min-height: 76px;
  }
}