.portfolio-home {
  --dossier-bg: #07101d;
  --dossier-panel: #0a1423;
  --dossier-panel-strong: #0c1828;
  --dossier-ink: #f8fbff;
  --dossier-muted: #aebbd0;
  --dossier-faint: #7f8da3;
  --dossier-cyan: #39d9ff;
  --dossier-lime: #c9ff28;
  --dossier-pink: #ff40b4;
  --dossier-orange: #ff8a3d;
  --dossier-line: rgba(91, 192, 223, 0.25);
  --dossier-line-strong: rgba(91, 192, 223, 0.44);
  background-size: 64px 64px, 64px 64px, auto;
  color: var(--dossier-ink);
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
}

.portfolio-home::before {
  opacity: 0.42;
}

.portfolio-home a {
  text-underline-offset: 0.22em;
}

.portfolio-home :focus-visible {
  outline: 2px solid var(--dossier-lime);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 30;
  padding: 0.75rem 1rem;
  border: 1px solid var(--dossier-lime);
  background: var(--dossier-bg);
  color: var(--dossier-ink);
  font-weight: 800;
  transform: translateY(-180%);
}

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

.portfolio-shell {
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
  min-height: 100vh;
}

.portfolio-rail {
  position: sticky;
  top: 0;
  display: flex;
  height: 100vh;
  flex-direction: column;
  align-self: start;
  padding: 42px 26px 34px;
  border-right: 1px solid var(--dossier-line-strong);
  background: rgba(5, 13, 24, 0.96);
}

.rail-brand {
  display: grid;
  gap: 18px;
  color: var(--dossier-ink);
  text-decoration: none;
}

.rail-brand img {
  display: block;
  border: 1px solid rgba(57, 217, 255, 0.5);
  border-radius: 10px;
  box-shadow: 0 0 24px rgba(57, 217, 255, 0.16);
}

.rail-brand span {
  display: grid;
  gap: 5px;
}

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

.rail-brand small {
  color: var(--dossier-faint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rail-nav {
  display: grid;
  gap: 8px;
  margin-top: 48px;
}

.rail-nav a {
  min-height: 42px;
  padding: 11px 0 10px 20px;
  border-left: 2px solid transparent;
  color: var(--dossier-muted);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  text-decoration: none;
  text-transform: uppercase;
}

.rail-nav a:hover,
.rail-nav a:focus-visible,
.rail-nav .is-current {
  border-left-color: var(--dossier-lime);
  color: var(--dossier-ink);
}

.rail-nav .is-current {
  color: var(--dossier-lime);
}

.rail-footer {
  margin-top: auto;
  padding-left: 18px;
  border-left: 2px solid var(--dossier-lime);
}

.rail-footer p {
  margin: 0 0 14px;
  color: var(--dossier-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.rail-footer a {
  color: var(--dossier-cyan);
  font-size: 0.75rem;
  font-weight: 700;
}

.mobile-header {
  display: none;
}

.portfolio-main {
  min-width: 0;
  overflow: hidden;
  background: rgba(4, 12, 22, 0.76);
}

.dossier-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.48fr);
  min-height: 500px;
  border-bottom: 1px solid var(--dossier-line-strong);
}

.hero-statement {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 54px clamp(36px, 5vw, 76px);
}

.signal-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--dossier-cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.signal-line span:not(:last-child)::after {
  margin-left: 10px;
  color: var(--dossier-faint);
  content: "//";
}

.portfolio-home h1,
.portfolio-home h2,
.portfolio-home h3 {
  font-family: "Barlow Condensed", sans-serif;
  text-shadow: none;
}

.portfolio-home h1 {
  max-width: 760px;
  margin: 0;
  color: var(--dossier-ink);
  font-size: clamp(4.35rem, 6.4vw, 6.55rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 0.82;
  text-transform: uppercase;
}

.headline-line {
  display: block;
  white-space: nowrap;
}

.spectrum-rule {
  width: 176px;
  height: 3px;
  margin-top: 26px;
  background: var(--dossier-cyan);
  box-shadow:
    72px 0 0 var(--dossier-pink),
    128px 0 0 var(--dossier-lime);
}

.hero-lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--dossier-muted);
  font-size: clamp(1.08rem, 1.65vw, 1.45rem);
  line-height: 1.55;
}

.dossier-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 30px;
  margin-top: 30px;
}

.action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--dossier-ink);
  font-weight: 800;
  text-decoration: none;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

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

.action-primary {
  min-width: 190px;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--dossier-lime);
  border-radius: 6px;
  color: var(--dossier-bg);
  background: var(--dossier-lime);
}

.action-primary:hover {
  background: #dcff70;
}

.action-text {
  border-bottom: 2px solid currentColor;
}

.action-cyan {
  color: #dff8ff;
  border-color: var(--dossier-cyan);
}

.action-pink {
  color: #fff0fa;
  border-color: var(--dossier-pink);
}

.proof-rail {
  display: grid;
  align-content: center;
  margin: 0;
  padding: 38px clamp(28px, 4vw, 54px);
  border-left: 1px solid var(--dossier-line-strong);
  background: rgba(7, 16, 29, 0.82);
}

.proof-rail div {
  display: grid;
  grid-template-columns: 52px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0 18px;
  padding: 18px 0;
  border-bottom: 1px dotted rgba(127, 141, 163, 0.42);
}

.proof-rail div:last-child {
  border-bottom: 0;
}

.proof-rail i {
  grid-row: 1 / 3;
  color: var(--dossier-cyan);
  font-size: 2.15rem;
}

.proof-rail div:nth-child(2) i,
.proof-rail div:nth-child(4) i {
  color: var(--dossier-lime);
}

.proof-rail div:nth-child(3) i {
  color: var(--dossier-pink);
}

.proof-rail dt {
  color: var(--dossier-ink);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1;
}

.proof-rail dd {
  margin: 5px 0 0;
  color: var(--dossier-muted);
  font-size: 0.9rem;
}

.flagship-case {
  display: grid;
  grid-template-columns: minmax(270px, 0.42fr) minmax(420px, 1fr);
  min-height: 242px;
  border-bottom: 1px solid var(--dossier-line-strong);
  background: rgba(7, 17, 29, 0.88);
}

.case-summary {
  padding: 27px clamp(28px, 4vw, 50px);
  border-right: 1px solid var(--dossier-line-strong);
}

.case-label {
  margin: 0 0 9px;
  color: var(--dossier-cyan);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.case-summary h2,
.case-row h2,
.section-intro h2,
.operator-section h2,
.contact-dossier h2 {
  margin: 0;
  color: var(--dossier-ink);
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  font-weight: 700;
  line-height: 0.95;
  text-transform: uppercase;
}

.case-summary > p:not(.case-label),
.case-row p:not(.case-label),
.section-intro > p:not(.case-label),
.operator-copy p,
.contact-dossier > div > p {
  color: var(--dossier-muted);
  line-height: 1.58;
}

.case-summary > p:not(.case-label) {
  max-width: 490px;
  margin: 11px 0 12px;
  font-size: 0.86rem;
}

.case-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  color: var(--dossier-cyan);
  font-size: 0.87rem;
  font-weight: 700;
  text-decoration: none;
}

.case-link:hover {
  color: var(--dossier-lime);
}

.architecture-figure {
  display: grid;
  align-content: center;
  min-width: 0;
  margin: 0;
  padding: 20px clamp(24px, 4vw, 54px) 14px;
}

.architecture-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 202px;
  object-fit: contain;
  object-position: center;
}

.architecture-figure figcaption {
  margin-top: 10px;
  color: var(--dossier-faint);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
}

.case-row {
  display: grid;
  grid-template-columns: minmax(350px, 0.88fr) minmax(300px, 0.85fr) minmax(160px, 0.32fr);
  align-items: center;
  min-height: 126px;
  gap: 26px;
  padding: 18px clamp(28px, 4vw, 50px);
  border-bottom: 1px solid var(--dossier-line-strong);
  background: rgba(5, 13, 24, 0.86);
}

.case-identity {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: start;
  gap: 18px;
}

.case-identity > i {
  padding-top: 4px;
  color: var(--dossier-pink);
  font-size: 2rem;
}

.case-lime .case-identity > i {
  color: var(--dossier-lime);
}

.case-row h2 {
  font-size: 1.7rem;
}

.case-row p:not(.case-label) {
  max-width: 470px;
  margin: 6px 0 0;
  font-size: 0.84rem;
}

.case-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px 24px;
  margin: 0;
  padding: 0;
  color: var(--dossier-muted);
  font-size: 0.8rem;
  list-style: none;
}

.case-points li {
  position: relative;
  padding-left: 14px;
}

.case-points li::before {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--dossier-pink);
  content: "";
}

.case-lime .case-points li::before {
  background: var(--dossier-lime);
}

.case-pink > .case-link,
.case-pink .case-label {
  color: var(--dossier-pink);
}

.case-lime .case-label,
.case-lime > .case-link,
.case-lime .case-link-group > .case-link:first-child {
  color: var(--dossier-lime);
}

.case-link-group {
  display: grid;
  justify-items: start;
}

.secondary-link {
  min-height: 32px;
  color: var(--dossier-muted);
  font-size: 0.74rem;
}

.operating-model,
.operator-section,
.contact-dossier {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 86px);
  padding: clamp(64px, 8vw, 112px) clamp(30px, 6vw, 84px);
  border-bottom: 1px solid var(--dossier-line-strong);
}

.operating-model {
  background: var(--dossier-panel);
}

.section-intro > p:not(.case-label) {
  max-width: 430px;
  margin: 20px 0 0;
}

.model-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.model-steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--dossier-line);
}

.model-steps li:first-child {
  padding-top: 0;
}

.model-steps li:last-child {
  border-bottom: 0;
}

.model-steps span {
  color: var(--dossier-cyan);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.model-steps h3 {
  margin: 0;
  color: var(--dossier-ink);
  font-size: 1.45rem;
  font-weight: 700;
  text-transform: uppercase;
}

.model-steps p {
  margin: 6px 0 0;
  color: var(--dossier-muted);
  line-height: 1.55;
}

.operator-section {
  background: var(--dossier-bg);
}

.operator-copy {
  max-width: 750px;
}

.operator-copy .operator-lead {
  margin-top: 0;
  color: var(--dossier-ink);
  font-size: 1.28rem;
}

.core-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding: 0;
  list-style: none;
}

.core-stack li {
  padding: 8px 11px;
  border: 1px solid rgba(57, 217, 255, 0.32);
  color: var(--dossier-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.contact-dossier {
  background: var(--dossier-panel-strong);
}

.contact-dossier > div > p {
  max-width: 650px;
  margin-top: 0;
  font-size: 1.05rem;
}

.contact-dossier .contact-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.dossier-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(30px, 6vw, 84px);
  color: var(--dossier-faint);
  font-size: 0.75rem;
}

.dossier-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.dossier-footer a {
  color: var(--dossier-muted);
}

@media (max-width: 1160px) {
  .portfolio-shell {
    grid-template-columns: 214px minmax(0, 1fr);
  }

  .portfolio-rail {
    padding-right: 20px;
    padding-left: 20px;
  }

  .dossier-hero {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.46fr);
  }

  .portfolio-home h1 {
    font-size: clamp(4rem, 6.4vw, 5.7rem);
  }

  .case-row {
    grid-template-columns: minmax(330px, 1fr) minmax(250px, 0.75fr);
  }

  .case-row > .case-link,
  .case-link-group {
    grid-column: 2;
  }
}

@media (max-width: 880px) {
  .portfolio-shell {
    display: block;
  }

  .portfolio-rail {
    display: none;
  }

  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    min-height: 68px;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--dossier-line-strong);
    background: rgba(5, 13, 24, 0.96);
    backdrop-filter: blur(16px);
  }

  .mobile-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--dossier-ink);
    font-weight: 800;
    text-decoration: none;
  }

  .mobile-brand img {
    border: 1px solid rgba(57, 217, 255, 0.4);
    border-radius: 7px;
  }

  .mobile-menu {
    position: relative;
  }

  .mobile-menu summary {
    min-height: 44px;
    padding: 12px 14px;
    border: 1px solid var(--dossier-line-strong);
    color: var(--dossier-ink);
    cursor: pointer;
    font-weight: 800;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    display: grid;
    width: 190px;
    padding: 10px;
    border: 1px solid var(--dossier-line-strong);
    background: var(--dossier-panel-strong);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
  }

  .mobile-menu nav a {
    min-height: 44px;
    padding: 12px;
    color: var(--dossier-muted);
    text-decoration: none;
  }

  .mobile-menu nav a:hover,
  .mobile-menu nav a:focus-visible {
    color: var(--dossier-lime);
  }

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

  .hero-statement {
    min-height: 500px;
  }

  .proof-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--dossier-line-strong);
    border-left: 0;
  }

  .proof-rail div:nth-child(odd) {
    padding-right: 18px;
    border-right: 1px solid var(--dossier-line);
  }

  .proof-rail div:nth-child(even) {
    padding-left: 18px;
  }

  .flagship-case,
  .case-row,
  .operating-model,
  .operator-section,
  .contact-dossier {
    grid-template-columns: 1fr;
  }

  .case-summary {
    border-right: 0;
    border-bottom: 1px solid var(--dossier-line);
  }

  .architecture-figure img {
    max-height: 280px;
  }

  .case-row {
    gap: 18px;
    padding-top: 32px;
    padding-bottom: 32px;
  }

  .case-row > .case-link,
  .case-link-group {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .hero-statement {
    min-height: auto;
    padding: 62px 20px 52px;
  }

  .signal-line {
    font-size: 0.65rem;
  }

  .portfolio-home h1 {
    font-size: clamp(3.2rem, 15.5vw, 4.25rem);
    line-height: 0.84;
  }

  .headline-line {
    white-space: normal;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .dossier-actions {
    display: grid;
    align-items: stretch;
  }

  .action {
    width: 100%;
  }

  .action-text {
    justify-content: flex-start;
    padding: 0 2px;
  }

  .proof-rail {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .proof-rail div,
  .proof-rail div:nth-child(odd),
  .proof-rail div:nth-child(even) {
    padding: 17px 0;
    border-right: 0;
  }

  .case-summary,
  .architecture-figure,
  .case-row,
  .operating-model,
  .operator-section,
  .contact-dossier {
    padding-right: 20px;
    padding-left: 20px;
  }

  .architecture-figure {
    overflow: hidden;
  }

  .architecture-figure img {
    width: 100%;
    max-width: 100%;
    max-height: none;
  }

  .case-identity {
    grid-template-columns: 34px 1fr;
  }

  .case-identity > i {
    font-size: 1.55rem;
  }

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

  .dossier-footer {
    flex-direction: column;
    padding-right: 20px;
    padding-left: 20px;
  }
}

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