:root {
  --shell: #101815;
  --shell-soft: #17231f;
  --canvas: #f4f3ee;
  --paper: #fcfcf9;
  --ink: #17201d;
  --muted: #68716d;
  --line: #dcdfd8;
  --accent: #2d7764;
  --accent-soft: #dcebe4;
}

html { scroll-behavior: smooth; }
html, body { font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif; }
body { background-color: var(--canvas) !important; }
.font-display, .font-display-italic, .kpi-value, .field-input {
  font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif !important;
}
.font-display { font-variation-settings: "wdth" 92; letter-spacing: -0.035em !important; }
.font-display-italic { font-style: normal !important; font-weight: 560; color: var(--accent) !important; }

.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  border-radius: .45rem; background: white; color: var(--shell);
  padding: .65rem 1rem; font-size: .85rem; font-weight: 650;
  box-shadow: 0 12px 30px rgba(8, 18, 14, .2);
  transition: top .18s ease;
}
.skip-link:focus { top: 1rem; }

.app-shell {
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(16,24,21,.97);
  color: #f8f9f5;
  box-shadow: 0 16px 40px -32px rgba(7, 18, 13, .9);
  backdrop-filter: blur(18px);
}
.shell-bar { min-height: 4.75rem; }
.brand-mark { border-radius: .7rem; box-shadow: 0 0 0 1px rgba(255,255,255,.14); }
.brand-wordmark { color: #fff; font-size: 1.55rem; font-weight: 650; letter-spacing: -.045em; line-height: 1; }
.brand-wordmark span { color: #75bea8; }
.shell-divider { width: 1px; height: 2rem; background: rgba(255,255,255,.16); }
.shell-product > span:first-child { color: #f4f6f2; font-size: .78rem; font-weight: 650; letter-spacing: .025em; }
.shell-product > span:last-child { margin-top: .2rem; color: #8fa099; font: .62rem/1.2 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.app-shell #authIdentity { color: #aab8b2 !important; }
.app-shell .btn-secondary { color: #dbe3df; border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.045); }
.app-shell .btn-secondary:hover { color: white; border-color: rgba(117,190,168,.7); background: rgba(117,190,168,.1); }
.portfolio-link { border: 1px solid rgba(117,190,168,.35); border-radius: .45rem; padding: .48rem .8rem; color: #bfe1d5; font: 500 .62rem/1 "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; transition: background .18s ease, color .18s ease, border-color .18s ease; }
.portfolio-link:hover { border-color: #75bea8; background: rgba(117,190,168,.12); color: white; }
.portfolio-link-exit { display: none; }

.nav-groups { display: flex; gap: 1.4rem; min-width: max-content; }
.nav-group { display: flex; align-items: center; gap: .4rem; }
.nav-group + .nav-group { border-left: 1px solid rgba(255,255,255,.1); padding-left: 1.4rem; }
.nav-group-label { color: #708079; font: 500 .56rem/1 "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.nav-group-items { display: flex; gap: .15rem; }
.tab-btn {
  border: 0 !important; border-radius: .45rem .45rem 0 0;
  color: #aab7b1 !important; font-size: .64rem !important; letter-spacing: .08em !important;
  padding: .7rem .75rem .8rem !important; transition: color .18s ease, background .18s ease, transform .18s ease !important;
}
.tab-btn:hover { color: #fff !important; background: rgba(255,255,255,.055); }
.tab-btn:active { transform: translateY(1px); }
.tab-btn:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid #79c4ad; outline-offset: 2px; }
.tab-active { color: #fff !important; background: rgba(117,190,168,.15) !important; box-shadow: inset 0 -2px #75bea8; }

#dashboard-main { min-height: calc(100dvh - 9rem); }
#pageHeader { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 32rem); align-items: end; gap: 2rem; }
#pageHeader .eyebrow { grid-column: 1 / -1; }
#pageHeader h1 { font-size: clamp(2.55rem, 5vw, 4.5rem) !important; max-width: 11ch; text-wrap: balance; }
#pageHeader p { margin: 0 !important; max-width: 52ch !important; padding-bottom: .35rem; font-size: .9rem !important; line-height: 1.65 !important; text-wrap: pretty; }
.eyebrow { color: #77817c !important; font-size: .61rem !important; letter-spacing: .12em !important; }

.portfolio-intro {
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(28rem, 1fr); gap: 2rem; align-items: center;
  border-radius: 1rem; background: var(--shell); color: #f7f8f5; padding: 1.4rem 1.55rem;
  box-shadow: 0 22px 48px -36px rgba(7,18,13,.9);
}
.portfolio-kicker { display: block; margin-bottom: .45rem; color: #82c7b2; font: 500 .58rem/1.2 "JetBrains Mono", monospace; letter-spacing: .11em; text-transform: uppercase; }
.portfolio-intro p { max-width: 54ch; color: #d8e0dc; font-size: .86rem; line-height: 1.55; }
.architecture-legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.architecture-legend span { border-left: 1px solid rgba(255,255,255,.16); padding: .2rem 0 .2rem .8rem; color: #edf2ef; font-size: .71rem; font-weight: 600; }
.architecture-legend small { display: block; margin-bottom: .3rem; color: #80918a; font: .52rem/1 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }

.portfolio-showcase { display: none; grid-template-columns: minmax(0, 1.6fr) minmax(18rem, .8fr); gap: 1rem; }
.portfolio-showcase article { border: 1px solid var(--line); border-radius: .8rem; background: rgba(252,252,249,.94); padding: clamp(1.4rem, 3vw, 2.25rem); }
.case-brief { grid-row: span 2; min-height: 30rem; display: flex; flex-direction: column; justify-content: flex-end; background: radial-gradient(circle at 85% 15%, rgba(76,155,131,.17), transparent 38%), var(--paper) !important; }
.case-brief h2 { max-width: 13ch; font-size: clamp(2.2rem, 4.5vw, 4.35rem); font-variation-settings: "wdth" 88; font-weight: 520; line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.case-brief > p { max-width: 58ch; margin-top: 1.6rem; color: var(--muted); font-size: .94rem; line-height: 1.7; text-wrap: pretty; }
.case-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.case-meta span { color: #34423c; font-size: .72rem; font-weight: 620; }
.case-meta small { display: block; margin-bottom: .35rem; color: #89918d; font: .54rem/1 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.case-flow { background: var(--shell) !important; color: white; }
.flow-row { display: flex; align-items: center; gap: 1rem; }
.flow-row b { color: #76bfa9; font: 500 .65rem/1 "JetBrains Mono", monospace; }
.flow-row span { display: flex; flex-direction: column; }
.flow-row strong { font-size: .9rem; font-weight: 650; }
.flow-row small { margin-top: .25rem; color: #87968f; font: .58rem/1.3 "JetBrains Mono", monospace; }
.flow-line { width: 1px; height: 1.35rem; margin: .25rem 0 .25rem .45rem; background: #426657; }
.case-principles ul { margin-top: 1rem; }
.case-principles li { display: grid; grid-template-columns: minmax(8rem,.7fr) 1fr; gap: .8rem; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.case-principles li:last-child { border-bottom: 0; }
.case-principles b { font-size: .75rem; font-weight: 650; }
.case-principles span { color: var(--muted); font-size: .7rem; line-height: 1.45; }
.portfolio-mode .portfolio-link-enter, .portfolio-mode #systemStatusPill, .portfolio-mode #refreshBtn, .portfolio-mode #authBtn, .portfolio-mode #authIdentity { display: none !important; }
.portfolio-mode .portfolio-link-exit { display: inline-flex; }
.portfolio-mode #pageHeader, .portfolio-mode #serviceHealthBanner, .portfolio-mode #opsStatusBanner, .portfolio-mode .live-overview { display: none !important; }
.portfolio-mode .portfolio-showcase { display: grid; }
.portfolio-mode #dashboard-main { padding-top: 2.2rem !important; }
.portfolio-mode .portfolio-intro { margin-bottom: 1rem !important; }
.portfolio-mode #footerNote { display: none; }

.card { border-color: var(--line) !important; border-radius: .75rem !important; background: rgba(252,252,249,.94) !important; box-shadow: 0 1px 0 rgba(255,255,255,.9), 0 18px 40px -36px rgba(16,24,21,.65) !important; }
.card:hover { border-color: #cbd2cc !important; }
.kpi-grid .card { min-height: 8.8rem; padding: 1.2rem !important; }
.kpi-grid .card::after { content: ""; position: absolute; inset: auto 1.2rem 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(45,119,100,.24), transparent); }
.kpi-value { font-weight: 540 !important; letter-spacing: -.055em !important; }
table thead { background: #f0f1ec !important; }
table th { color: #69736e !important; letter-spacing: .08em !important; }
.hover-row { transition: background .15s ease; }
.hover-row:hover { background: #f1f4ef !important; }
.btn-primary, .btn-amber { border-radius: .45rem !important; background: var(--shell) !important; }
.btn-primary:hover, .btn-amber:hover { background: var(--accent) !important; transform: translateY(-1px); }
.btn-primary:active, .btn-amber:active, .btn-secondary:active { transform: translateY(1px) scale(.99); }
.btn-secondary { border-radius: .45rem !important; }
.pill { border-radius: .35rem !important; }
.dashboard-footer { color: #77817c; font: 500 .61rem/1.5 "JetBrains Mono", monospace; letter-spacing: .055em; text-transform: uppercase; }
.dashboard-footer b { color: #36413c; font-weight: 600; }

@media (max-width: 900px) {
  #pageHeader { display: block; }
  #pageHeader p { margin-top: .75rem !important; }
  .portfolio-intro { grid-template-columns: 1fr; gap: 1.2rem; }
  .portfolio-showcase { grid-template-columns: 1fr; }
  .case-brief { grid-row: auto; min-height: 26rem; }
}
@media (max-width: 640px) {
  .shell-bar { min-height: 4rem; }
  .brand-wordmark { font-size: 1.3rem; }
  .nav-groups { gap: .8rem; }
  .nav-group { display: block; }
  .nav-group + .nav-group { padding-left: .8rem; }
  .nav-group-label { display: block; padding: .35rem .65rem 0; }
  .tab-btn { padding: .55rem .65rem .7rem !important; }
  .portfolio-intro { padding: 1.2rem; }
  .architecture-legend { grid-template-columns: 1fr; gap: .7rem; }
  .case-meta { grid-template-columns: 1fr; gap: .8rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr !important; }
  .kpi-grid .card:last-child { grid-column: 1 / -1; }
  .dashboard-footer { align-items: flex-start !important; flex-direction: column; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}