:root {
  --paper: #f3eee4;
  --paper-deep: #e8dfd0;
  --paper-soft: #fbf7ee;
  --ink: #1c1a17;
  --ink-muted: #6c655b;
  --line: rgba(28, 26, 23, 0.16);
  --line-strong: rgba(28, 26, 23, 0.36);
  --green: #0f5d49;
  --green-soft: #dcebe3;
  --orange: #c8522d;
  --orange-soft: #f2ded1;
  --teal: #1f9a85;
  --dark: #171916;
  --shadow: 0 22px 70px rgba(55, 44, 30, 0.13);
  --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --sans: "Inter", "Avenir Next", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", "Menlo", monospace;
  --container: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.9), transparent 26rem),
    radial-gradient(circle at 83% 8%, rgba(200, 82, 45, 0.08), transparent 24rem),
    linear-gradient(180deg, var(--paper-soft), var(--paper) 22rem, #ece4d6);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 26, 23, 0.025) 1px, transparent 1px);
  background-size: 100% 18px, 18px 100%;
  mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.52;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(28, 26, 23, 0.07) 0 1px, transparent 1.4px),
    radial-gradient(circle at 75% 18%, rgba(15, 93, 73, 0.08) 0 1px, transparent 1.5px);
  background-size: 26px 26px, 34px 34px;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  border-radius: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(243, 238, 228, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 210px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(15, 93, 73, 0.08);
}

.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.3vw, 1.6rem);
  line-height: 1;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 4vw, 62px);
  font-size: 0.94rem;
  font-weight: 650;
}

.site-nav a,
.header-action {
  position: relative;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a::after,
.header-action::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--orange);
  transition: transform 220ms ease;
}

.site-nav a:hover,
.header-action:hover {
  color: var(--orange);
}

.site-nav a[aria-current] {
  color: var(--green);
}

.site-nav a[aria-current]::after {
  transform: scaleX(1);
  background: var(--green);
}

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

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.section-band {
  position: relative;
  padding: clamp(88px, 10vw, 150px) 0;
}

.hero {
  min-height: calc(100dvh - 76px);
  display: grid;
  align-items: center;
  padding-top: clamp(68px, 8vw, 112px);
  padding-bottom: clamp(96px, 10vw, 150px);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(390px, 0.94fr);
  align-items: center;
  gap: clamp(36px, 7vw, 94px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--green);
  font-family: var(--mono);
  font-size: clamp(0.72rem, 0.9vw, 0.86rem);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about-grid h2,
.contact-frame h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(4.2rem, 6vw, 6.8rem);
}

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

.hero h1 span {
  color: var(--orange);
  white-space: nowrap;
}

.hero-lede {
  max-width: 700px;
  margin: 28px 0 0;
  color: #554d43;
  font-size: clamp(1rem, 1.2vw, 1.16rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 30px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-weight: 750;
  transition:
    transform 220ms cubic-bezier(0.2, 0.9, 0.25, 1),
    border-color 220ms ease,
    background 220ms ease,
    color 220ms ease,
    box-shadow 220ms ease;
}

.button::after {
  content: "→";
  margin-left: 12px;
  transition: transform 220ms ease;
}

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

.button:hover::after {
  transform: translateX(4px);
}

.button:active {
  transform: translateY(0) scale(0.99);
}

.button-primary {
  background: var(--green);
  color: #fffaf0;
  border-color: var(--green);
  box-shadow: 0 16px 34px rgba(15, 93, 73, 0.23);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.3);
  color: var(--orange);
  border-color: rgba(200, 82, 45, 0.68);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 760px;
  margin: 52px 0 0;
}

.hero-metrics div {
  padding: 0 26px;
  border-left: 1px solid var(--line);
}

.hero-metrics div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-metrics dt {
  color: var(--green);
  font-family: var(--mono);
  font-size: clamp(1.9rem, 3vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-metrics dd {
  margin: 9px 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.signal-stage {
  position: relative;
  width: min(100%, max(340px, calc((100dvh - 300px) * 4 / 3)));
  aspect-ratio: 9 / 9;
  margin-inline: auto;
  display: grid;
  place-items: center;
  color: var(--ink);
  border: 1px solid rgba(28, 26, 23, 0.08);
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(28, 26, 23, 0.09) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, rgba(28, 26, 23, 0.09) 50%, transparent 50.2%),
    radial-gradient(circle at 38% 52%, rgba(15, 93, 73, 0.12), transparent 22rem),
    radial-gradient(circle at 65% 44%, rgba(200, 82, 45, 0.1), transparent 20rem);
  overflow: hidden;
  cursor: crosshair;
}

.signal-stage::before {
  content: "";
  position: absolute;
  inset: 26px;
  border: 1px solid rgba(28, 26, 23, 0.12);
  pointer-events: none;
}

.signal-stage::after {
  content: "";
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(28, 26, 23, 0.14);
  transform: rotate(-12deg);
}

.prism-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: block;
}

.stage-cross {
  position: absolute;
  z-index: 3;
  width: 44px;
  height: 44px;
}

.stage-cross::before,
.stage-cross::after {
  content: "";
  position: absolute;
  background: rgba(28, 26, 23, 0.22);
}

.stage-cross::before {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
}

.stage-cross::after {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
}

.cross-a {
  top: 42px;
  right: 54px;
}

.cross-b {
  left: 46px;
  bottom: 44px;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.scroll-cue::after {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 8px auto 0;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transform: rotate(45deg);
}

.section-kicker {
  width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  width: var(--container);
  margin: 0 auto clamp(42px, 6vw, 86px);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(300px, 0.8fr);
  gap: clamp(32px, 8vw, 120px);
  align-items: end;
}

.section-heading h2,
.about-grid h2,
.contact-frame h2 {
  font-size: clamp(3rem, 5vw, 6rem);
}

.section-heading p,
.about-copy,
.contact-frame > div > p {
  margin: 0;
  color: #5b5348;
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.9;
}

.centered-heading {
  max-width: 880px;
  text-align: center;
}

.centered-heading p {
  margin: 22px auto 0;
  max-width: 720px;
}

.project-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 18rem),
    rgba(232, 223, 208, 0.38);
}

.project-stage {
  width: var(--container);
  margin: 0 auto;
}

.project-stage-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 18px;
}

.project-breadcrumbs {
  position: relative;
  min-height: 32px;
}

.project-breadcrumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  min-width: 0;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 420ms ease,
    transform 420ms cubic-bezier(0.2, 0.9, 0.25, 1);
}

.project-breadcrumb.is-active {
  opacity: 1;
  transform: translateY(0);
}

.project-breadcrumb span,
.project-counter {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-breadcrumb strong {
  min-width: 0;
  margin-left: 16px;
  color: var(--ink);
  font-size: clamp(0.96rem, 1.25vw, 1.18rem);
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-counter {
  color: var(--ink-muted);
}

.project-counter span {
  color: var(--green);
}

.project-stage-frame {
  position: relative;
  min-height: 620px;
  border: 0;
  background:
    linear-gradient(90deg, rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    rgba(251, 247, 238, 0.7);
  background-size: 22px 22px;
  overflow: hidden;
}

.project-stage-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 18px solid rgba(232, 223, 208, 0.42);
  mix-blend-mode: multiply;
}

.project-pane {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.02fr);
  gap: clamp(22px, 3.2vw, 52px);
  align-items: center;
  padding: clamp(30px, 1vw, 72px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    visibility 520ms ease,
    transform 520ms cubic-bezier(0.2, 0.9, 0.25, 1);
}

.project-pane.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  z-index: 2;
}

.project-pane-copy,
.project-pane-visual {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.project-pane h3 {
  margin: 28px 0 20px;
  font-family: var(--serif);
  font-size: clamp(3.6rem, 7vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.project-pane .project-line {
  max-width: 520px;
  color: #5b5348;
  font-size: clamp(1rem, 1.2vw, 1.16rem);
  line-height: 1.82;
}

.project-image-frame {
  --project-image-ratio: 16 / 10;
  --project-image-ratio-number: 1.6;
  --project-image-max-height: 520px;
  --project-image-pad: clamp(8px, 1.25vw, 18px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-height: 0;
  max-height: 580px;
  align-self: center;
  justify-self: stretch;
  margin: 0;
  padding: var(--project-image-pad);
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    rgba(251, 247, 238, 0.86);
  background-size: 22px 22px;
  box-shadow: 0 18px 58px rgba(55, 44, 30, 0.11);
  overflow: hidden;
}

.project-image-box {
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: none;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: grid;
}

.project-image-frame img,
.project-image-placeholder {
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  /* border: 0; */
  background: transparent;
}

.project-image-frame img {
  display: block;
  object-fit: contain;
  object-position: center;
}

.project-image-placeholder {
  display: grid;
  place-items: center;
  padding: 28px;
  text-align: center;
}

.project-image-placeholder span {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4vw, 4.8rem);
  line-height: 0.95;
}

.project-image-placeholder small {
  display: block;
  max-width: 360px;
  margin-top: 18px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.7;
}

.project-image-frame figcaption {
  margin-top: 12px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.project-stage-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: clamp(18px, 4vw, 46px);
  margin-top: 22px;
}

.project-stage-meta {
  position: relative;
  min-height: 68px;
}

.project-meta-panel {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity 360ms ease,
    transform 360ms ease;
}

.project-meta-panel.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.project-meta-panel strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.8vw, 3rem);
  line-height: 1;
}

.project-meta-panel span {
  display: block;
  margin-top: 9px;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.project-tabs {
  display: flex;
  gap: 18px;
  justify-content: center;
  font-family: var(--mono);
}

.project-tab {
  position: relative;
  min-width: 34px;
  padding: 12px 0 8px;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.11em;
  transition: color 180ms ease;
}

.project-tab::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--orange);
  transition: transform 220ms ease;
}

.project-tab.is-active {
  color: var(--ink);
}

.project-tab.is-active::before {
  transform: scaleX(1);
}

.project-controls {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.project-controls button,
.project-detail-link {
  display: inline-grid;
  min-width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.project-controls button {
  font-family: var(--serif);
  font-size: 1.7rem;
  line-height: 1;
}

.project-detail-link {
  padding: 0 18px;
  font-weight: 700;
}

.project-detail-link::after {
  content: "→";
  margin-left: 10px;
}

.project-controls button:hover,
.project-detail-link:hover {
  transform: translateY(-2px);
  background: var(--ink);
  color: var(--paper);
}

.project-layout {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 18px;
}

.project-card {
  position: relative;
  min-height: 360px;
  padding: clamp(24px, 3vw, 42px);
  border: 1px solid var(--line);
  background: rgba(251, 247, 238, 0.74);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 26, 23, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 26, 23, 0.026) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: linear-gradient(135deg, black, transparent 62%);
}

.project-scholar {
  grid-row: span 2;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 18px;
}

.project-dispatch,
.project-monitor {
  min-height: 390px;
}

.project-monitor {
  background: var(--dark);
  color: #efe8d8;
}

.project-meta {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.project-monitor .project-meta {
  color: rgba(239, 232, 216, 0.64);
}

.project-card h3 {
  position: relative;
  z-index: 2;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 4.9rem);
  line-height: 0.95;
}

.project-line {
  position: relative;
  z-index: 2;
  max-width: 540px;
  margin: 0;
  color: #534b41;
  font-size: 1.04rem;
}

.project-monitor .project-line {
  color: rgba(239, 232, 216, 0.72);
}

.project-visual {
  position: relative;
  z-index: 2;
  margin-top: 12px;
}

.tag-list {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.tag-list li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.3);
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.project-monitor .tag-list li {
  border-color: rgba(239, 232, 216, 0.14);
  background: rgba(239, 232, 216, 0.06);
  color: rgba(239, 232, 216, 0.72);
}

.capability-section {
  background:
    radial-gradient(circle at 50% 20%, rgba(15, 93, 73, 0.09), transparent 30rem),
    linear-gradient(180deg, rgba(251, 247, 238, 0.8), rgba(243, 238, 228, 0.5));
}

.capability-rail {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-rail article {
  min-height: 300px;
  padding: clamp(22px, 2.4vw, 34px);
  border-left: 1px solid var(--line);
  transition:
    transform 220ms ease,
    background 220ms ease;
}

.capability-rail article:first-child {
  border-left: 0;
}

.capability-rail article:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.36);
}

.capability-rail span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.capability-rail h3 {
  margin: 52px 0 16px;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2vw, 2.2rem);
  line-height: 1.08;
}

.capability-rail p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.94rem;
}

.about-section {
  overflow: hidden;
}

.about-mark {
  width: var(--container);
  margin: 0 auto 18px;
  color: rgba(28, 26, 23, 0.12);
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 9rem);
  line-height: 0.9;
  white-space: nowrap;
}

.about-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: clamp(36px, 9vw, 140px);
  align-items: start;
}

.about-grid .section-kicker {
  width: auto;
  margin-left: 0;
  margin-right: 0;
}

.about-copy {
  display: grid;
  gap: 22px;
  max-width: 780px;
  padding-top: 18px;
}

.about-copy p {
  margin: 0;
}

.contact-section {
  padding: clamp(74px, 9vw, 130px) 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(200, 82, 45, 0.12), transparent 28rem),
    linear-gradient(135deg, var(--paper-deep), var(--paper-soft));
}

.contact-frame {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(30px, 5vw, 70px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(28, 26, 23, 0.08) 50%, transparent 50.2%),
    rgba(251, 247, 238, 0.5);
}

.contact-frame .section-kicker {
  width: auto;
  margin-left: 0;
  margin-right: 0;
}

.contact-frame > div > p {
  max-width: 680px;
  margin-top: 28px;
}

.contact-links {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.contact-link {
  min-height: 104px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: clamp(18px, 2.2vw, 28px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.22);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.42);
  transform: translateY(-2px);
}

.contact-icon {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  color: var(--green);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 800;
}

.contact-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-icon-telegram {
  color: #249bd7;
}

.contact-icon-telegram svg {
  fill: currentColor;
  stroke: none;
}

.contact-link small {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-link strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: clamp(1rem, 1.4vw, 1.24rem);
  line-height: 1.25;
}

.contact-arrow {
  color: var(--ink);
  font-size: 1.2rem;
}

.contact-link-disabled {
  color: var(--ink-muted);
  cursor: default;
}

.contact-link-disabled:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.22);
}

.contact-link-disabled strong,
.contact-link-disabled .contact-arrow {
  color: var(--ink-muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px max(24px, calc((100vw - 1320px) / 2));
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.case-page {
  background:
    radial-gradient(circle at 78% 8%, rgba(15, 93, 73, 0.1), transparent 32rem),
    radial-gradient(circle at 12% 34%, rgba(200, 82, 45, 0.1), transparent 26rem),
    linear-gradient(180deg, var(--paper-soft), var(--paper));
}

.case-page main {
  width: var(--container);
  margin: 0 auto;
}

.case-hero {
  padding: clamp(58px, 8vw, 104px) 0 clamp(48px, 7vw, 92px);
}

.case-back {
  display: inline-flex;
  margin-bottom: clamp(32px, 5vw, 64px);
  color: var(--ink-muted);
  font-size: 0.92rem;
  transition: color 180ms ease, transform 180ms ease;
}

.case-back:hover {
  color: var(--orange);
  transform: translateX(-4px);
}

.case-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: clamp(34px, 7vw, 112px);
  align-items: end;
}

.case-label,
.case-section-label {
  margin: 0 0 18px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.case-hero h1 {
  margin: 0;
  max-width: 980px;
  font-family: var(--serif);
  font-size: clamp(4.8rem, 10vw, 11rem);
  line-height: 0.86;
  letter-spacing: 0;
  text-wrap: balance;
}

.case-headline {
  max-width: 820px;
  margin: 34px 0 0;
  color: #4f473e;
  font-size: clamp(1.28rem, 2vw, 2rem);
  font-weight: 650;
  line-height: 1.42;
}

.case-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.case-meta-line span,
.case-stack span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.36);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.case-specimen {
  position: relative;
  min-height: 430px;
  display: grid;
  align-content: end;
  padding: clamp(24px, 3.2vw, 42px);
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(28, 26, 23, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(28, 26, 23, 0.04) 1px, transparent 1px),
    rgba(251, 247, 238, 0.68);
  background-size: 22px 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-specimen::before {
  content: "";
  position: absolute;
  right: -10%;
  top: 10%;
  width: 72%;
  aspect-ratio: 1;
  border: 1px solid rgba(28, 26, 23, 0.16);
  border-radius: 50%;
}

.case-specimen::after {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(28, 26, 23, 0.12);
  pointer-events: none;
}

.specimen-index {
  position: absolute;
  top: 24px;
  left: 28px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.case-specimen p {
  position: relative;
  z-index: 2;
  margin: 0 0 26px;
  color: #5a5248;
  font-size: 1rem;
  line-height: 1.8;
}

.case-stack {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-body {
  padding-bottom: clamp(70px, 9vw, 130px);
}

.case-narrative {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 6vw, 90px);
  padding: clamp(38px, 6vw, 74px) 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.case-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  color: #5d554a;
  font-size: 1rem;
  line-height: 1.8;
}

.case-list li {
  position: relative;
  padding-left: 28px;
}

.case-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 14px;
  height: 1px;
  background: var(--orange);
}

.case-solution h2,
.case-showcase-copy h2,
.case-highlights h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.6vw, 5rem);
  line-height: 1.02;
  text-wrap: balance;
}

.case-showcase {
  display: grid;
  grid-template-columns: minmax(300px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
  padding: clamp(54px, 8vw, 104px) 0;
}

.case-showcase-copy {
  position: sticky;
  top: 110px;
}

.case-showcase-copy p {
  margin: 24px 0 0;
  color: #5b5348;
  line-height: 1.85;
}

.case-showcase-copy code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
  font-family: var(--mono);
  font-size: 0.86em;
}

.case-media-tabs {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  font-family: var(--mono);
}

.case-media-tab {
  position: relative;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  padding: 10px 0 6px;
  cursor: pointer;
  font-family: var(--mono);
}

.case-media-tab::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--orange);
  transition: transform 180ms ease;
}

.case-media-tab.is-active {
  color: var(--ink);
}

.case-media-tab.is-active::before {
  transform: scaleX(1);
}

.case-media-frame {
  position: relative;
  min-height: min(58vw, 660px);
  border: 1px solid var(--ink);
  background: var(--paper-soft);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-media-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition:
    opacity 420ms ease,
    visibility 420ms ease,
    transform 420ms ease;
}

.case-media-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.case-media-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.media-placeholder {
  display: grid;
  place-items: center;
  padding: clamp(24px, 5vw, 64px);
  background:
    radial-gradient(circle at 76% 20%, rgba(15, 93, 73, 0.12), transparent 18rem),
    linear-gradient(90deg, rgba(28, 26, 23, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(28, 26, 23, 0.035) 1px, transparent 1px);
  background-size: auto, 22px 22px, 22px 22px;
}

.placeholder-grid {
  position: absolute;
  inset: 28px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  opacity: 0.38;
}

.placeholder-grid span {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.32);
}

.placeholder-grid span:first-child {
  grid-row: span 2;
}

.media-placeholder figcaption {
  position: relative;
  z-index: 2;
  max-width: 520px;
  padding: 28px;
  border: 1px solid var(--ink);
  background: rgba(243, 238, 228, 0.86);
}

.media-placeholder strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
}

.media-placeholder span,
.media-placeholder small {
  display: block;
  margin-top: 12px;
  color: var(--ink-muted);
  line-height: 1.7;
}

.case-highlights {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(28px, 5vw, 76px);
  padding: clamp(42px, 7vw, 92px) 0 0;
  border-top: 1px solid var(--line);
}

.case-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.case-highlight-grid article {
  min-height: 210px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.28);
}

.case-highlight-grid span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.case-highlight-grid p {
  margin: 44px 0 0;
  color: #51493f;
  font-size: clamp(1.05rem, 1.4vw, 1.28rem);
  font-weight: 650;
  line-height: 1.5;
}

.case-nav {
  width: var(--container);
  margin: 0 auto clamp(68px, 9vw, 120px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.case-nav a {
  min-height: 130px;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 24px;
  border-left: 1px solid var(--line);
  transition: background 180ms ease, color 180ms ease;
}

.case-nav a:first-child {
  border-left: 0;
}

.case-nav a:hover {
  background: var(--ink);
  color: var(--paper);
}

.case-nav span {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.case-nav a:hover span {
  color: rgba(243, 238, 228, 0.62);
}

.case-nav strong {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 2.2rem);
  line-height: 1;
}

.is-waiting {
  opacity: 0;
  transform: translateY(24px);
}

.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 680ms ease,
    transform 680ms cubic-bezier(0.2, 0.9, 0.25, 1);
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero-grid,
  .about-grid,
  .contact-frame,
  .case-hero-grid,
  .case-narrative,
  .case-showcase,
  .case-highlights {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 900px;
  }

  .project-stage-frame {
    min-height: 760px;
  }

  .project-pane {
    grid-template-columns: 1fr;
    gap: 30px;
    align-content: center;
  }

  .project-image-frame {
    height: clamp(340px, 52vw, 500px);
    max-height: none;
  }

  .project-pane h3 {
    font-size: clamp(3.1rem, 10vw, 5.6rem);
  }

  .project-stage-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .project-tabs {
    justify-content: flex-start;
  }

  .project-controls {
    justify-content: flex-start;
  }

  .case-specimen {
    min-height: 320px;
  }

  .case-showcase-copy {
    position: static;
  }

  .case-media-frame {
    min-height: 580px;
  }

  .case-nav {
    grid-template-columns: 1fr;
  }

  .case-nav a,
  .case-nav a:first-child {
    min-height: 110px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .case-nav a:first-child {
    border-top: 0;
  }

  .project-layout {
    grid-template-columns: 1fr;
  }

  .project-scholar {
    grid-row: auto;
  }

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

  .capability-rail article:nth-child(odd) {
    border-left: 0;
  }

}

@media (max-width: 720px) {
  :root {
    --container: min(100vw - 28px, 100%);
  }

  body {
    font-size: 15px;
  }

  .site-header {
    min-height: 68px;
    padding: 0 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 1.12rem;
  }

  .brand small {
    font-size: 0.56rem;
  }

  .header-action {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.82rem;
  }

  .section-band {
    padding: 72px 0;
  }

  .hero {
    padding-top: 52px;
    min-height: auto;
  }

  .hero-grid {
    gap: 42px;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 15vw, 5rem);
  }

  .hero-lede {
    font-size: 1rem;
    line-height: 1.75;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
    min-height: 54px;
    padding: 0 18px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .hero-metrics div,
  .hero-metrics div:first-child {
    padding: 0 0 18px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading h2,
  .about-grid h2,
  .contact-frame h2,
  .case-solution h2,
  .case-showcase-copy h2,
  .case-highlights h2 {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .case-hero {
    padding-top: 42px;
  }

  .case-hero h1 {
    font-size: clamp(3.4rem, 18vw, 5.4rem);
  }

  .case-headline {
    margin-top: 24px;
    font-size: 1.18rem;
  }

  .case-specimen {
    min-height: 280px;
    align-content: start;
    padding: 58px 24px 24px;
  }

  .specimen-index {
    top: 22px;
    left: 24px;
  }

  .case-narrative,
  .case-showcase,
  .case-highlights {
    padding: 48px 0;
  }

  .case-media-frame {
    min-height: 520px;
  }

  .media-placeholder {
    padding: 18px;
  }

  .placeholder-grid {
    inset: 16px;
  }

  .media-placeholder figcaption {
    padding: 20px;
  }

  .case-highlight-grid {
    grid-template-columns: 1fr;
  }

  .case-highlight-grid article {
    min-height: 160px;
  }

  .case-highlight-grid p {
    margin-top: 28px;
  }

  .project-stage-top {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .project-breadcrumbs {
    min-height: 56px;
  }

  .project-breadcrumb {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .project-breadcrumb strong {
    margin-left: 0;
    white-space: normal;
  }

  .project-stage-frame {
    min-height: 820px;
  }

  .project-stage-frame::after {
    border-width: 10px;
  }

  .project-pane {
    padding: 24px;
  }

  .project-image-frame {
    height: clamp(260px, 62vw, 380px);
    max-height: none;
    padding: 10px;
  }

  .project-pane h3 {
    margin-top: 18px;
    font-size: clamp(2.8rem, 16vw, 4.6rem);
  }

  .project-pane .project-line {
    font-size: 0.98rem;
    line-height: 1.72;
  }

  .project-stage-meta {
    min-height: 76px;
  }

  .project-controls {
    display: grid;
    grid-template-columns: 46px 46px 1fr;
    width: 100%;
  }

  .project-detail-link {
    justify-content: center;
  }

  .project-card {
    min-height: auto;
    padding: 24px;
  }

  .project-card h3 {
    font-size: clamp(2.05rem, 12vw, 3.4rem);
  }

  .capability-rail {
    grid-template-columns: 1fr;
  }

  .capability-rail article,
  .capability-rail article:nth-child(odd) {
    min-height: auto;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .capability-rail article:first-child {
    border-top: 0;
  }

  .capability-rail h3 {
    margin-top: 28px;
  }

  .about-mark {
    font-size: 2.4rem;
    white-space: normal;
  }

  .contact-frame {
    padding: 24px;
  }

  .contact-link {
    min-height: 96px;
    padding: 18px;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}