:root {
  --ink: #09201d;
  --ink-soft: #31514b;
  --paper: rgba(247, 251, 244, 0.82);
  --paper-strong: rgba(251, 253, 248, 0.92);
  --line: rgba(9, 32, 29, 0.14);
  --forest: #103d2e;
  --forest-deep: #07251f;
  --moss: #587c43;
  --sky: #9ed0df;
  --sky-pale: #d9f0f3;
  --river: #3d9fb2;
  --yellow: #f3bc44;
  --red: #bc4637;
  --sidebar-width: 18.75rem;
  --scroll-progress: 0;
  --section-progress: 0;
  font-family: "IBM Plex Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(217, 240, 243, 0.95) 0%, rgba(165, 209, 189, 0.62) 42%, rgba(20, 72, 54, 0.78) 100%),
    #d9f0f3;
  overflow-x: hidden;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.28), transparent 28rem),
    radial-gradient(circle at 76% 16%, rgba(243, 188, 68, 0.11), transparent 20rem),
    linear-gradient(110deg, rgba(7, 37, 31, 0.08), transparent 42%);
  mix-blend-mode: soft-light;
}

a {
  color: inherit;
}

p {
  color: var(--ink-soft);
  font-size: clamp(1rem, 0.94rem + 0.26vw, 1.18rem);
  line-height: 1.75;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.04em;
}

h1,
h2 {
  font-family: "Source Serif 4", serif;
}

h1 {
  max-width: 12.5ch;
  font-size: clamp(3.2rem, 6.4vw, 7.25rem);
  line-height: 0.94;
}

h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4.25vw, 4.85rem);
  line-height: 0.98;
}

h3 {
  font-size: clamp(1.05rem, 1rem + 0.32vw, 1.35rem);
  line-height: 1.25;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  color: white;
  background: var(--forest-deep);
  border-radius: 999px;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.landscape {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background:
    linear-gradient(180deg, #b7dce6 0%, #d7eee8 33%, #b5c991 58%, #184a37 100%);
}

.sky-wash {
  position: absolute;
  inset: -10% -8% auto;
  height: 58vh;
  background:
    radial-gradient(ellipse at 35% 38%, rgba(255, 255, 255, 0.62), transparent 32%),
    linear-gradient(180deg, rgba(220, 242, 248, 0.92), rgba(175, 216, 205, 0.28));
  transform: translate3d(0, calc(var(--scroll-progress) * 22px), 0);
}

.cloud {
  position: absolute;
  width: clamp(14rem, 27vw, 32rem);
  height: clamp(4.4rem, 8vw, 8rem);
  border-radius: 999px;
  opacity: 0.42;
  filter: blur(0.5px);
  background:
    radial-gradient(circle at 18% 56%, rgba(255, 255, 255, 0.72) 0 28%, transparent 29%),
    radial-gradient(circle at 42% 42%, rgba(255, 255, 255, 0.7) 0 34%, transparent 35%),
    radial-gradient(circle at 70% 55%, rgba(255, 255, 255, 0.64) 0 30%, transparent 31%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.12));
}

.cloud-a {
  top: 10vh;
  left: 26vw;
  transform: translate3d(calc(var(--scroll-progress) * -48px), calc(var(--scroll-progress) * 18px), 0);
}

.cloud-b {
  top: 21vh;
  right: 6vw;
  opacity: 0.28;
  transform: translate3d(calc(var(--scroll-progress) * 36px), calc(var(--scroll-progress) * 28px), 0) scale(0.82);
}

.cloud-c {
  top: 35vh;
  left: 6vw;
  opacity: 0.2;
  transform: translate3d(calc(var(--scroll-progress) * -18px), calc(var(--scroll-progress) * 22px), 0) scale(0.7);
}

.horizon-line {
  position: absolute;
  top: 43vh;
  left: 18vw;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(9, 32, 29, 0.16), rgba(243, 188, 68, 0.12), transparent);
  opacity: 0.45;
  transform: translateY(calc(var(--scroll-progress) * -15px));
}

.distant-ridge {
  position: absolute;
  right: -8vw;
  left: 13vw;
  height: 24vh;
  clip-path: polygon(0 75%, 11% 50%, 22% 62%, 34% 36%, 48% 58%, 62% 28%, 76% 56%, 90% 40%, 100% 64%, 100% 100%, 0 100%);
}

.ridge-a {
  top: 36vh;
  opacity: 0.32;
  background: linear-gradient(180deg, rgba(94, 143, 110, 0.2), rgba(20, 72, 54, 0.1));
  filter: blur(0.8px);
  transform: translate3d(0, calc(var(--scroll-progress) * -36px), 0);
}

.ridge-b {
  top: 43vh;
  opacity: 0.52;
  background: linear-gradient(180deg, rgba(31, 87, 63, 0.36), rgba(16, 61, 46, 0.24));
  transform: translate3d(0, calc(var(--scroll-progress) * -54px), 0);
}

.bird-mark,
.owl-mark {
  position: absolute;
  opacity: 0.16;
  transform: translate3d(0, calc(var(--scroll-progress) * -80px), 0);
}

.bird-mark::before,
.bird-mark::after {
  position: absolute;
  width: 1.8rem;
  height: 0.8rem;
  content: "";
  border-top: 2px solid rgba(7, 37, 31, 0.72);
}

.bird-mark::before {
  border-radius: 100% 0 0 0;
  transform: rotate(18deg);
}

.bird-mark::after {
  left: 1.55rem;
  border-radius: 0 100% 0 0;
  transform: rotate(-18deg);
}

.bird-a {
  top: 28vh;
  right: 19vw;
}

.bird-b {
  top: 61vh;
  left: 31vw;
  transform: translate3d(0, calc(var(--scroll-progress) * -130px), 0) scale(0.72);
}

.owl-mark {
  top: 57vh;
  right: 13vw;
  width: 2.8rem;
  height: 2.25rem;
  border: 1px solid rgba(7, 37, 31, 0.2);
  border-radius: 48% 48% 44% 44%;
  background:
    radial-gradient(circle at 36% 44%, rgba(7, 37, 31, 0.38) 0 0.11rem, transparent 0.12rem),
    radial-gradient(circle at 64% 44%, rgba(7, 37, 31, 0.38) 0 0.11rem, transparent 0.12rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(7, 37, 31, 0.06));
}

.forest-layer {
  position: absolute;
  right: -5vw;
  bottom: 18vh;
  left: 18vw;
  height: 38vh;
  opacity: calc(0.24 + var(--scroll-progress) * 0.45);
  transform: translate3d(0, calc(90px - var(--scroll-progress) * 150px), 0);
}

.forest-layer span {
  position: absolute;
  bottom: 0;
  width: 16vw;
  min-width: 9rem;
  height: 28vh;
  border-radius: 52% 48% 8% 8%;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(74, 120, 67, 0.78), transparent 58%),
    linear-gradient(180deg, rgba(25, 86, 58, 0.76), rgba(7, 37, 31, 0.74));
  filter: blur(0.2px);
}

.forest-layer span:nth-child(1) {
  left: 2%;
  height: 27vh;
}

.forest-layer span:nth-child(2) {
  left: 21%;
  height: 34vh;
}

.forest-layer span:nth-child(3) {
  left: 42%;
  height: 30vh;
}

.forest-layer span:nth-child(4) {
  left: 62%;
  height: 36vh;
}

.forest-layer span:nth-child(5) {
  left: 81%;
  height: 31vh;
}

.trunk-layer {
  position: absolute;
  right: 0;
  bottom: 9vh;
  left: 22vw;
  height: 44vh;
  opacity: calc(0.18 + var(--scroll-progress) * 0.38);
  transform: translate3d(0, calc(150px - var(--scroll-progress) * 230px), 0);
}

.trunk-layer span {
  position: absolute;
  bottom: 0;
  width: 0.65rem;
  height: 42vh;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(7, 37, 31, 0.1), rgba(7, 37, 31, 0.46));
}

.trunk-layer span:nth-child(1) {
  left: 18%;
  height: 34vh;
}

.trunk-layer span:nth-child(2) {
  left: 45%;
  width: 0.85rem;
}

.trunk-layer span:nth-child(3) {
  left: 68%;
  height: 38vh;
}

.trunk-layer span:nth-child(4) {
  left: 88%;
  width: 0.55rem;
  height: 31vh;
}

.ground-plane {
  position: absolute;
  right: -12vw;
  bottom: -7vh;
  left: 12vw;
  height: 33vh;
  border-radius: 52% 48% 0 0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(243, 188, 68, 0.11), transparent 35%),
    linear-gradient(135deg, rgba(31, 96, 63, 0.84), rgba(7, 37, 31, 0.94));
  transform: translate3d(0, calc(var(--scroll-progress) * -36px), 0);
}

.river-flow {
  position: absolute;
  right: -16vw;
  bottom: -3vh;
  width: 73vw;
  height: 26vh;
  border-radius: 52% 48% 0 0;
  opacity: 0.58;
  background:
    linear-gradient(100deg, transparent 0 16%, rgba(255, 255, 255, 0.18) 19%, transparent 24%),
    linear-gradient(117deg, rgba(158, 208, 223, 0.08), rgba(61, 159, 178, 0.64), rgba(8, 69, 82, 0.42));
  clip-path: polygon(0 70%, 18% 48%, 39% 62%, 56% 34%, 76% 48%, 100% 22%, 100% 100%, 0 100%);
  transform: translate3d(calc(var(--scroll-progress) * -60px), calc(var(--scroll-progress) * -22px), 0);
}

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 10;
  width: var(--sidebar-width);
  padding: clamp(1rem, 2.3vw, 2rem);
  border-right: 1px solid rgba(255, 255, 255, 0.34);
  background:
    linear-gradient(180deg, rgba(247, 251, 244, 0.72), rgba(217, 240, 243, 0.38)),
    rgba(247, 251, 244, 0.58);
  backdrop-filter: blur(22px);
  box-shadow: 0 0 70px rgba(7, 37, 31, 0.08);
}

.side-nav {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: center;
  gap: 0.68rem;
}

.nav-button {
  position: relative;
  display: grid;
  min-height: 4.55rem;
  grid-template-columns: 3rem 1fr;
  align-items: center;
  gap: 1.05rem;
  padding: 0.82rem 0.95rem;
  overflow: hidden;
  color: rgba(9, 32, 29, 0.76);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-decoration: none;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.22);
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.nav-button::before {
  position: absolute;
  top: 0.75rem;
  bottom: 0.75rem;
  left: 0;
  width: 3px;
  content: "";
  background: linear-gradient(180deg, var(--red), var(--yellow));
  opacity: 0;
  transform: scaleY(0.3);
  transform-origin: center;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.nav-button::after {
  position: absolute;
  inset: auto 1rem 0.68rem 5.05rem;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, rgba(188, 70, 55, 0.95), rgba(243, 188, 68, 0.9), transparent);
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: left;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.nav-button:hover,
.nav-button:focus-visible {
  color: var(--ink);
  border-color: rgba(9, 32, 29, 0.18);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 12px 28px rgba(7, 37, 31, 0.055);
  transform: translateX(0.2rem);
}

.nav-button.is-active {
  color: var(--ink);
  border-color: rgba(7, 37, 31, 0.26);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(217, 240, 243, 0.48)),
    rgba(255, 255, 255, 0.62);
  box-shadow: 0 14px 34px rgba(7, 37, 31, 0.08);
  transform: translateX(0.18rem);
}

.nav-button:focus-visible,
.cta:focus-visible,
.contact-panel a:focus-visible {
  outline: 3px solid rgba(188, 70, 55, 0.58);
  outline-offset: 4px;
}

.nav-button.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-button.is-active::before {
  opacity: 1;
  transform: scaleY(1);
}

.nav-glyph {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  color: var(--forest-deep);
  font-family: "Source Serif 4", serif;
  font-size: 1.38rem;
  font-weight: 650;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, rgba(243, 188, 68, 0.52), rgba(188, 70, 55, 0.14));
}

.page-shell {
  position: relative;
  z-index: 1;
  margin-left: var(--sidebar-width);
}

.content-section {
  display: flex;
  min-height: 100vh;
  align-items: center;
  padding: clamp(5rem, 8vw, 8rem) clamp(1.5rem, 7vw, 8.5rem);
  scroll-snap-align: start;
  scroll-margin-top: 0;
}

.content-section:nth-of-type(even) {
  justify-content: flex-end;
}

.content-section:nth-of-type(odd) {
  justify-content: flex-start;
}

.hero-section {
  min-height: 100svh;
}

.section-panel {
  width: min(100%, 58rem);
  padding: clamp(1.45rem, 3.45vw, 3.85rem);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: clamp(1.35rem, 3vw, 2.65rem);
  background:
    linear-gradient(135deg, rgba(251, 253, 248, 0.88), rgba(217, 240, 243, 0.48)),
    rgba(247, 251, 244, 0.66);
  box-shadow: 0 28px 80px rgba(7, 37, 31, 0.115);
  backdrop-filter: blur(18px);
}

.hero-panel {
  width: min(100%, 67rem);
}

.eyebrow,
.section-kicker,
.case-label {
  margin: 0 0 1.05rem;
  color: #173f32;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  line-height: 1.2;
  text-transform: uppercase;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.section-kicker::before {
  width: 1.55rem;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--red), var(--yellow));
}

.hero-copy {
  max-width: 42rem;
  margin: 1.7rem 0 0;
  font-size: clamp(1.05rem, 1rem + 0.45vw, 1.34rem);
}

.hero-brief {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  max-width: 43rem;
  margin-top: 1.7rem;
}

.hero-brief span {
  padding: 0.75rem 0.85rem;
  color: var(--forest-deep);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.35rem;
}

.cta {
  display: inline-flex;
  min-height: 3.4rem;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

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

.cta-primary {
  border: 1px solid rgba(9, 32, 29, 0.1);
  background: linear-gradient(135deg, var(--yellow), #f7d87e 45%, rgba(188, 70, 55, 0.78));
  box-shadow: 0 18px 35px rgba(188, 70, 55, 0.18);
}

.cta-secondary {
  border: 1px solid rgba(16, 61, 46, 0.24);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(158, 208, 223, 0.5));
}

.cta-quiet {
  border: 1px solid rgba(188, 70, 55, 0.24);
  background: rgba(255, 255, 255, 0.24);
}

.section-panel > p:not(.section-kicker):not(.eyebrow),
.section-lead {
  max-width: 43rem;
}

.section-lead {
  margin: 1.4rem 0 0;
  font-size: clamp(1.04rem, 0.98rem + 0.35vw, 1.28rem);
}

.section-flow {
  display: grid;
  gap: 1.5rem;
  margin-top: 0.2rem;
}

.outcome-block {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) 1fr;
  gap: 1.3rem;
  max-width: 48rem;
  padding: 1.25rem;
  border: 1px solid rgba(9, 32, 29, 0.11);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.3);
}

.outcome-block p {
  margin: 0;
  color: var(--forest-deep);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}

.outcome-block ul {
  display: grid;
  gap: 0.72rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.outcome-block li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.outcome-block li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  content: "";
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--yellow));
}

.pull-line {
  max-width: 37rem;
  margin: 0;
  color: var(--ink);
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.5rem, 1.9vw, 2.2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.closing-line {
  max-width: 36rem;
  margin: 0;
  padding-top: 1.1rem;
  color: var(--forest);
  font-size: clamp(1rem, 0.95rem + 0.28vw, 1.18rem);
  font-weight: 700;
  border-top: 1px solid rgba(9, 32, 29, 0.12);
}

.goal-line {
  display: grid;
  gap: 0.35rem;
  max-width: 38rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(9, 32, 29, 0.12);
}

.goal-line p {
  margin: 0;
  color: var(--forest);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.goal-line strong {
  color: var(--ink);
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.35rem, 1.5vw, 1.9rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.about-link {
  width: fit-content;
}

.principle-grid,
.case-grid,
.service-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.2rem;
}

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

.case-grid,
.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principle-grid article,
.case-grid article,
.service-grid article {
  min-height: 14rem;
  padding: 1.35rem;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 1.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.26)),
    rgba(255, 255, 255, 0.28);
}

.principle-grid p,
.case-grid p,
.service-grid p {
  margin-bottom: 0;
  font-size: 1rem;
}

.case-grid article {
  display: flex;
  flex-direction: column;
}

.case-grid dl {
  display: grid;
  gap: 1rem;
  margin: auto 0 0;
}

.case-grid dt {
  margin-bottom: 0.28rem;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.case-grid dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}

.framework-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 55rem;
  padding: 0;
  margin: 2.35rem 0 0;
  list-style: none;
}

.framework-list li {
  position: relative;
  display: grid;
  gap: 1rem;
  align-content: start;
  padding: 1.25rem;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.34);
}

.framework-list li:not(:last-child)::after {
  position: absolute;
  top: 2rem;
  right: -0.8rem;
  z-index: 2;
  width: 0.8rem;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, rgba(188, 70, 55, 0.45), rgba(243, 188, 68, 0.35));
}

.framework-list span {
  color: var(--red);
  font-family: "Source Serif 4", serif;
  font-size: 1.35rem;
  font-weight: 650;
}

.framework-list p {
  margin: 0.4rem 0 0;
  font-size: 1rem;
}

.callout-panel {
  background:
    linear-gradient(135deg, rgba(247, 251, 244, 0.95), rgba(158, 208, 223, 0.5)),
    linear-gradient(45deg, rgba(243, 188, 68, 0.16), transparent);
}

.service-grid article {
  min-height: 12rem;
}

.consultation-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 2rem 0;
}

.consultation-strip span {
  padding: 0.65rem 0.8rem;
  color: var(--forest-deep);
  font-size: 0.9rem;
  font-weight: 700;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
}

.contact-panel address {
  margin-top: 2rem;
  font-style: normal;
}

.contact-panel a {
  color: var(--forest-deep);
  font-size: clamp(1.1rem, 1vw + 1rem, 1.65rem);
  font-weight: 700;
  text-decoration-color: rgba(188, 70, 55, 0.48);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.2em;
}

.longform-page {
  background:
    linear-gradient(180deg, rgba(217, 240, 243, 0.88) 0%, rgba(165, 209, 189, 0.52) 46%, rgba(20, 72, 54, 0.82) 100%),
    #d9f0f3;
}

.longform-shell {
  position: relative;
  z-index: 1;
  margin-left: var(--sidebar-width);
  padding: clamp(4rem, 6vw, 7rem) clamp(1.5rem, 7vw, 8.5rem);
}

.longform-panel {
  width: min(100%, 64rem);
  padding: clamp(1.5rem, 3.7vw, 4.25rem);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: clamp(1.35rem, 3vw, 2.65rem);
  background:
    linear-gradient(135deg, rgba(251, 253, 248, 0.9), rgba(217, 240, 243, 0.55)),
    rgba(247, 251, 244, 0.7);
  box-shadow: 0 28px 90px rgba(7, 37, 31, 0.12);
  backdrop-filter: blur(18px);
}

.longform-hero {
  display: grid;
  gap: 1.4rem;
  padding-bottom: clamp(2.2rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(9, 32, 29, 0.12);
}

.longform-hero h1 {
  max-width: 13ch;
}

.longform-hero p {
  max-width: 44rem;
  margin: 0;
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.38rem);
}

.longform-section {
  display: grid;
  gap: 1.05rem;
  padding: clamp(2.3rem, 5vw, 4.75rem) 0;
  border-bottom: 1px solid rgba(9, 32, 29, 0.1);
}

.longform-section:last-child {
  border-bottom: 0;
}

.longform-section h2 {
  max-width: 19ch;
  font-size: clamp(1.9rem, 3.2vw, 3.6rem);
}

.longform-section > p,
.longform-section blockquote {
  max-width: 48rem;
  margin: 0;
}

.longform-section blockquote {
  padding: 1.35rem 1.4rem;
  color: var(--ink);
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.35rem, 1.6vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.16;
  border-left: 3px solid var(--red);
  border-radius: 0 1.2rem 1.2rem 0;
  background: rgba(255, 255, 255, 0.28);
}

.text-list {
  display: grid;
  gap: 0.72rem;
  max-width: 48rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.text-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.58;
}

.text-list li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  content: "";
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--yellow));
}

.question-list li {
  color: var(--ink);
  font-weight: 600;
}

.compact-list {
  gap: 0.42rem;
}

.column-list,
.principle-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1.4rem;
}

.longform-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.longform-card-grid section,
.stage-grid section {
  padding: 1.35rem;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 1.45rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.24)),
    rgba(255, 255, 255, 0.28);
}

.longform-card-grid p,
.stage-grid p {
  margin: 0.9rem 0 0;
  font-size: 1rem;
}

.longform-card-grid .text-list {
  margin-top: 0.9rem;
}

.contrast-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 48rem;
}

.contrast-grid div {
  padding: 1.3rem;
  border: 1px solid rgba(9, 32, 29, 0.1);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.3);
}

.contrast-grid span {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.contrast-grid strong {
  color: var(--ink);
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.25rem, 1.5vw, 1.9rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.stack-list {
  counter-reset: stack;
}

.stack-list li {
  padding-left: 2.4rem;
}

.stack-list li::before {
  top: 0;
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  content: counter(stack, decimal-leading-zero);
  counter-increment: stack;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(243, 188, 68, 0.72), rgba(188, 70, 55, 0.18));
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0.8rem;
}

.stage-grid h3 {
  color: var(--forest-deep);
}

.final-longform-section {
  padding-bottom: 0;
}

@media (max-width: 980px) {
  :root {
    --sidebar-width: 0px;
  }

  .sidebar {
    top: auto;
    right: 0;
    bottom: 0;
    width: auto;
    padding: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-right: 0;
  }

  .side-nav {
    min-height: auto;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .side-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-button {
    min-width: 10.5rem;
    min-height: 4rem;
    grid-template-columns: 2.5rem 1fr;
    border-radius: 1rem;
  }

  .nav-glyph {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.8rem;
  }

  .page-shell {
    margin-left: 0;
  }

  .longform-shell {
    margin-left: 0;
    padding-right: 1rem;
    padding-bottom: 7rem;
    padding-left: 1rem;
  }

  .content-section {
    padding-right: 1rem;
    padding-bottom: 7rem;
    padding-left: 1rem;
  }

  .content-section:nth-of-type(even),
  .content-section:nth-of-type(odd) {
    justify-content: center;
  }

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

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

  .framework-list li::after {
    display: none;
  }

  .horizon-line,
  .distant-ridge,
  .forest-layer,
  .trunk-layer,
  .ground-plane {
    left: 0;
  }
}

@media (max-width: 760px) {
  h1 {
    max-width: 11ch;
  }

  h2 {
    max-width: 13ch;
  }

  .section-panel {
    padding: 1.35rem;
    border-radius: 1.4rem;
  }

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

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

  .outcome-block {
    grid-template-columns: 1fr;
  }

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

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

  .longform-card-grid,
  .contrast-grid,
  .stage-grid,
  .column-list,
  .principle-column {
    grid-template-columns: 1fr;
  }

  .longform-panel {
    padding: 1.35rem;
    border-radius: 1.4rem;
  }

  .cta {
    width: 100%;
  }

  .about-link {
    width: 100%;
  }

  .landscape {
    opacity: 0.9;
  }
}

@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;
  }
}
