/* ==========================================================================
   SEFORITHM — Design tokens
   Derived directly from the Identity DNA. Cool concrete palette, one
   restrained "blueprint ink" accent, engineering-drawing structural marks.
   ========================================================================== */

:root {
  /* Color — dark, calibrated instrument-panel register.
     Panel is a full, deliberate step lighter than the page background,
     and line/line-strong step up again, so every edge reads clearly. */
  --sf-paper: #0E0F12;
  --sf-paper-alt: #16171B;
  --sf-panel: #1C1E23;
  --sf-panel-raised: #23262C;
  --sf-ink: #F3F2EE;
  --sf-graphite: #ADB1B7;
  --sf-graphite-soft: #797E86;
  --sf-line: #2C2F35;
  --sf-line-strong: #43474F;
  --sf-accent: #8FC4CF;
  --sf-accent-strong: #B7E1E8;
  --sf-accent-soft: rgba(143, 196, 207, 0.12);
  --sf-white: #FFFFFF;

  /* Solid fill — for tags/primary buttons that need to read as a bright,
     lit indicator against the dark panel, with dark text on top of it. */
  --sf-solid: var(--sf-accent);
  --sf-solid-text: #0B0C0E;

  /* Type */
  --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Spacing base unit: 8px */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-6: 48px;
  --sp-8: 64px;
  --sp-12: 96px;

  /* Radius */
  --radius-sharp: 0px;
  --radius-interactive: 2px;
  --radius-container: 6px;

  /* Motion */
  --ease-mech: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 160ms;
  --dur-med: 340ms;

  --container-max: 1280px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: transparent;
  color: var(--sf-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

[hidden] { display: none !important; }

.noscript-note {
  margin: 0;
  padding: var(--sp-3);
  background: var(--sf-panel);
  color: var(--sf-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  border-bottom: 1px solid var(--sf-line-strong);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--sf-accent);
  outline-offset: 3px;
}

/* ==========================================================================
   Interactive background — a structural grid, brightened near the cursor
   ========================================================================== */

.blueprint-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--sf-paper);
}

.blueprint-bg::before,
.blueprint-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, var(--sf-line-strong) 0, var(--sf-line-strong) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(to bottom, var(--sf-line-strong) 0, var(--sf-line-strong) 1px, transparent 1px, transparent 64px);
}

/* Base grid: always present, very faint */
.blueprint-bg::before {
  opacity: 0.28;
}

/* Spotlight grid: brighter, only revealed in a soft radius around the cursor */
.blueprint-bg::after {
  background-image:
    repeating-linear-gradient(to right, var(--sf-accent) 0, var(--sf-accent) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(to bottom, var(--sf-accent) 0, var(--sf-accent) 1px, transparent 1px, transparent 64px);
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(circle 260px at var(--mx, 50%) var(--my, 50%), black 0%, transparent 72%);
  mask-image: radial-gradient(circle 260px at var(--mx, 50%) var(--my, 50%), black 0%, transparent 72%);
}

@media (pointer: coarse) {
  .blueprint-bg::after { display: none; }
}

@media (pointer: fine) {
  .has-custom-cursor,
  .has-custom-cursor a,
  .has-custom-cursor button,
  .has-custom-cursor input,
  .has-custom-cursor textarea,
  .has-custom-cursor [role="button"] {
    cursor: none;
  }
}

.cursor-layer {
  position: fixed;
  inset: 0;
  z-index: 55;
  pointer-events: none;
}

.cursor-line {
  position: fixed;
  background: var(--sf-accent);
  opacity: 0.16;
  transition: opacity 240ms var(--ease-mech);
}

.cursor-line--h { left: 0; right: 0; top: 0; height: 1px; transform: translateY(-100vh); }
.cursor-line--v { top: 0; bottom: 0; left: 0; width: 1px; transform: translateX(-100vw); }

.cursor-reticle {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  transition: opacity 240ms var(--ease-mech);
}

.cursor-reticle .tick {
  position: absolute;
  background: var(--sf-ink);
}

.tick-t { width: 1px; height: 6px; left: -0.5px; top: -12px; }
.tick-b { width: 1px; height: 6px; left: -0.5px; top: 6px; }
.tick-l { width: 6px; height: 1px; left: -12px; top: -0.5px; }
.tick-r { width: 6px; height: 1px; left: 6px; top: -0.5px; }

.cursor-bracket {
  position: fixed;
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity 200ms var(--ease-mech), left 260ms var(--ease-mech), top 260ms var(--ease-mech);
}

.cursor-bracket::before,
.cursor-bracket::after {
  content: '';
  position: absolute;
  background: var(--sf-accent);
}

.cursor-bracket--tl::before { top: 0; left: 0; width: 100%; height: 1px; }
.cursor-bracket--tl::after  { top: 0; left: 0; width: 1px; height: 100%; }
.cursor-bracket--tr::before { top: 0; right: 0; width: 100%; height: 1px; }
.cursor-bracket--tr::after  { top: 0; right: 0; width: 1px; height: 100%; }
.cursor-bracket--bl::before { bottom: 0; left: 0; width: 100%; height: 1px; }
.cursor-bracket--bl::after  { bottom: 0; left: 0; width: 1px; height: 100%; }
.cursor-bracket--br::before { bottom: 0; right: 0; width: 100%; height: 1px; }
.cursor-bracket--br::after  { bottom: 0; right: 0; width: 1px; height: 100%; }

/* When locked onto an interactive element, the crosshair recedes so the
   bracket lock-on becomes the focus — the same hierarchy principle used
   everywhere else in this system: one signal at a time, never both at once. */
.cursor-layer.is-locked .cursor-line { opacity: 0.04; }
.cursor-layer.is-locked .cursor-reticle { opacity: 0.3; }

/* Live coordinate readout that follows the pointer, like a CAD cursor */
.cursor-coord {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sf-accent);
  background: var(--sf-panel);
  border: 1px solid var(--sf-line-strong);
  padding: 3px 8px;
  opacity: 0;
  white-space: nowrap;
  transition: opacity 220ms var(--ease-mech);
  will-change: transform, opacity;
}

@media (pointer: coarse), (max-width: 720px) {
  .cursor-coord,
  .cursor-layer {
    display: none;
  }
}

/* Sound toggle — a real, accessible control, distinct from the decorative
   corner marks. Sound defaults on; browsers still require one real user
   gesture before audio can play, which any click on the page satisfies. */
.sound-toggle {
  position: fixed;
  bottom: var(--sp-2);
  left: 50%;
  transform: translateX(-50%);
  z-index: 56;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sf-accent);
  background: var(--sf-panel);
  border: 1px solid var(--sf-line-strong);
  padding: 7px 14px;
  transition: box-shadow var(--dur-fast) var(--ease-mech), color var(--dur-fast) var(--ease-mech);
}

.sound-toggle:hover {
  box-shadow: 0 0 14px var(--sf-accent-soft);
}

.sound-toggle.is-muted {
  color: var(--sf-graphite-soft);
}

@media (max-width: 720px) {
  .sound-toggle { bottom: var(--sp-1); font-size: 10px; padding: 6px 12px; }
}

/* ==========================================================================
   Signature element — fixed reference-sheet corner marks
   ========================================================================== */

.grid-frame {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.frame-tick {
  position: fixed;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-graphite-soft);
  opacity: 0.55;
}

.frame-tick--tl { top: var(--sp-2); left: var(--sp-3); }
.frame-tick--tr { top: var(--sp-2); right: var(--sp-3); }
.frame-tick--bl { bottom: var(--sp-2); left: var(--sp-3); }
.frame-tick--br { bottom: var(--sp-2); right: var(--sp-3); }

@media (max-width: 720px) {
  .grid-frame { display: none; }
}

/* ==========================================================================
   Layout shell
   ========================================================================== */

.site-shell {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  border-left: 1px solid var(--sf-line);
  border-right: 1px solid var(--sf-line);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

@media (max-width: 720px) {
  .site-shell { padding: 0 var(--sp-2); border-left: none; border-right: none; }
}

/* ==========================================================================
   Header / navigation
   ========================================================================== */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--sf-line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--sf-accent);
  border: 1px solid var(--sf-line-strong);
  position: relative;
  transition: box-shadow var(--dur-fast) var(--ease-mech), border-color var(--dur-fast) var(--ease-mech);
}

.brand-mark::before,
.brand-mark::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  border: 1px solid var(--sf-accent);
}

.brand-mark::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.brand-mark::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.brand:hover .brand-mark {
  border-color: var(--sf-accent);
  box-shadow: 0 0 16px var(--sf-accent-soft);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.03em;
  color: var(--sf-ink);
  text-shadow: 0 0 22px var(--sf-accent-soft);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sf-graphite);
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: var(--sp-4);
}

.site-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--sf-graphite);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-mech), border-color var(--dur-fast) var(--ease-mech);
}

.site-nav a i {
  font-style: normal;
  color: var(--sf-graphite-soft);
  font-size: 11px;
}

.site-nav a:hover { color: var(--sf-ink); }

.site-nav a.is-active {
  color: var(--sf-ink);
  border-bottom-color: var(--sf-accent);
}

.site-nav a.is-active i { color: var(--sf-accent); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 6px 0;
}

.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--sf-ink);
  transition: transform var(--dur-med) var(--ease-mech), opacity var(--dur-fast) var(--ease-mech);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 780px) {
  .menu-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--sf-panel);
    border-bottom: 1px solid var(--sf-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur-med) var(--ease-mech);
  }

  .site-nav.is-open { max-height: 260px; }

  .site-nav a {
    padding: var(--sp-2) var(--sp-2);
    border-bottom: 1px solid var(--sf-line);
    border-left: 2px solid transparent;
  }

  .site-nav a.is-active { border-left-color: var(--sf-accent); border-bottom-color: var(--sf-line); }

  .site-header { position: relative; }
}

/* ==========================================================================
   Page panels (tabbed sections)
   ========================================================================== */

.page-stage { flex: 1; padding: var(--sp-8) 0 var(--sp-12); }

.page-panel { display: none; }
.page-panel.is-active {
  display: block;
  animation: panelIn var(--dur-med) var(--ease-mech);
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sf-graphite);
  letter-spacing: 0.02em;
  margin-bottom: var(--sp-2);
}

.eyebrow-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sf-accent);
  border: 1px solid var(--sf-line-strong);
  padding: 2px 8px;
  border-radius: var(--radius-interactive);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-med) var(--ease-mech), transform var(--dur-med) var(--ease-mech);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   About
   ========================================================================== */

.panel-grid--about {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.hero-title {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.08;
  margin: 0 0 var(--sp-3);
  max-width: 14ch;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--sf-graphite);
  max-width: 52ch;
  margin-bottom: var(--sp-4);
}

.hero-actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-6); }

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 13px 22px;
  border-radius: var(--radius-interactive);
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease-mech), color var(--dur-fast) var(--ease-mech), border-color var(--dur-fast) var(--ease-mech);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn--primary { background: var(--sf-solid); color: var(--sf-solid-text); box-shadow: 0 0 0 1px transparent; }
.btn--primary:hover { background: var(--sf-accent-strong); box-shadow: 0 0 18px var(--sf-accent-soft); }

.btn--ghost { border-color: var(--sf-line-strong); color: var(--sf-ink); }
.btn--ghost:hover { border-color: var(--sf-accent); color: var(--sf-accent); }

.bio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--sf-line);
  border: 1px solid var(--sf-line);
}

.info-card {
  background: var(--sf-panel);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow var(--dur-fast) var(--ease-mech);
}

.info-card:hover {
  box-shadow: inset 0 0 0 1px var(--sf-line-strong);
}

.card-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-graphite-soft);
}

.info-card strong { font-family: var(--font-display); font-size: 16px; }
.info-card p { font-size: 13.5px; color: var(--sf-graphite); line-height: 1.5; }

.hero-side { display: flex; flex-direction: column; gap: var(--sp-3); }

.profile-frame {
  margin: 0;
  border: 1px solid var(--sf-line);
  background: var(--sf-panel);
}

.profile-image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-bottom: 1px solid var(--sf-line);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: saturate(0.94) contrast(1.02);
}

.profile-frame figcaption {
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-frame figcaption strong { font-family: var(--font-display); font-size: 15px; }

.philosophy-quote {
  margin: 0;
  padding: var(--sp-3);
  border-left: 2px solid var(--sf-accent);
  background: var(--sf-accent-soft);
}

.philosophy-quote p {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.philosophy-quote cite {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sf-graphite);
  font-style: normal;
}

.value-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.value-tags li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border: 1px solid var(--sf-line-strong);
  color: var(--sf-graphite);
}

.page-footer-strip {
  margin-top: var(--sp-12);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--sf-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.page-footer-strip span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-graphite-soft);
}

/* ==========================================================================
   Panel head (shared: Work / Capabilities / Contact)
   ========================================================================== */

.panel-head { max-width: 62ch; margin-bottom: var(--sp-6); }
.panel-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: var(--sp-2); }
.panel-copy { color: var(--sf-graphite); font-size: 16px; line-height: 1.6; }

/* ==========================================================================
   Work / case grid
   ========================================================================== */

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--sf-line);
  border: 1px solid var(--sf-line);
}

@media (max-width: 980px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .case-grid { grid-template-columns: 1fr; } }

.case-card {
  background: var(--sf-panel);
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-fast) var(--ease-mech), box-shadow var(--dur-fast) var(--ease-mech);
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px var(--sf-accent), 0 14px 32px rgba(0, 0, 0, 0.45);
  z-index: 2;
  position: relative;
}
.case-card:hover .case-card-body h3 { color: var(--sf-accent); }

.case-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-2);
  background: var(--sf-paper-alt);
  border-bottom: 1px solid var(--sf-line);
}

.case-diagram span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-graphite);
  text-align: center;
  line-height: 1.35;
  max-width: 32%;
}

.case-diagram i {
  flex: 1;
  height: 1px;
  background: var(--sf-line-strong);
  margin: 0 8px;
  position: relative;
}

.case-diagram i::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2.5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sf-accent);
}

.case-card-media { position: relative; }

.case-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--sf-solid);
  color: var(--sf-solid-text);
  padding: 4px 8px;
}

.case-card-body {
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.case-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.case-ref {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sf-graphite-soft);
}

.case-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--sf-graphite);
}

.case-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sf-accent);
}

.case-status.is-progress::before {
  background: transparent;
  border: 1px solid var(--sf-accent);
}

.case-card-body h3 {
  font-size: 18px;
  transition: color var(--dur-fast) var(--ease-mech);
}

.case-card-body p {
  font-size: 14px;
  color: var(--sf-graphite);
  line-height: 1.55;
}

.case-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }

.case-meta li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--sf-graphite);
  border: 1px solid var(--sf-line-strong);
  padding: 3px 8px;
}

.case-action {
  margin-top: auto;
  padding-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sf-accent);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   Capabilities
   ========================================================================== */

.capabilities-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.capabilities-list { display: flex; flex-direction: column; gap: 1px; background: var(--sf-line); border: 1px solid var(--sf-line); }

.gauge-card {
  background: var(--sf-panel);
  padding: var(--sp-3);
  transition: box-shadow var(--dur-fast) var(--ease-mech);
}

.gauge-card:hover {
  box-shadow: inset 0 0 0 1px var(--sf-accent);
}

.gauge-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--sp-2); }
.gauge-top h3 { font-size: 16px; }
.gauge-top p { font-size: 13px; color: var(--sf-graphite); margin-top: 2px; }

.gauge-value {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--sf-accent);
  text-shadow: 0 0 12px var(--sf-accent-soft);
}

.gauge-track {
  position: relative;
  height: 6px;
  background: var(--sf-line);
}

.gauge-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, var(--sf-accent), var(--sf-accent-strong));
  box-shadow: 0 0 10px var(--sf-accent-soft);
  transition: width 900ms var(--ease-mech);
}

.gauge-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
}

.gauge-ticks span {
  width: 1px;
  height: 5px;
  background: var(--sf-line-strong);
}

.capabilities-side { display: flex; flex-direction: column; gap: var(--sp-3); }

.quote-card {
  padding: var(--sp-3);
  border: 1px solid var(--sf-line);
  background: var(--sf-panel);
}

.quote-card p { font-size: 15px; line-height: 1.6; color: var(--sf-ink); margin-top: 8px; }

.method-card { padding: var(--sp-3); border: 1px solid var(--sf-line); background: var(--sf-panel); }

.method-list { display: flex; flex-direction: column; gap: var(--sp-2); margin-top: var(--sp-2); }

.method-list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--sf-graphite);
  line-height: 1.5;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--sf-line);
}

.method-list li:last-child { border-bottom: none; padding-bottom: 0; }

.method-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sf-accent);
  flex-shrink: 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-12);
  align-items: start;
}

.contact-card { border: 1px solid var(--sf-line); background: var(--sf-panel); padding: var(--sp-4); }
.contact-card h3 { font-size: 22px; margin: 6px 0 2px; }
.contact-role { color: var(--sf-graphite); font-size: 14px; margin-bottom: var(--sp-3); }

.contact-list { display: flex; flex-direction: column; gap: var(--sp-2); margin-bottom: var(--sp-4); }

.contact-list li {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--sf-line);
  font-size: 14px;
  gap: var(--sp-2);
}

.contact-list li span { font-family: var(--font-mono); font-size: 11px; color: var(--sf-graphite-soft); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-list li a { color: var(--sf-ink); }
.contact-list li a:hover { color: var(--sf-accent); }

.contact-socials { margin-top: var(--sp-4); }
.contact-social-grid { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

.contact-social-link {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  border: 1px solid var(--sf-line-strong);
  color: var(--sf-graphite);
  transition: border-color var(--dur-fast) var(--ease-mech), color var(--dur-fast) var(--ease-mech);
}

.contact-social-link:hover { border-color: var(--sf-accent); color: var(--sf-accent); }

.contact-form {
  border: 1px solid var(--sf-line);
  background: var(--sf-panel);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.contact-form label { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--sf-graphite-soft); }

.contact-form input, .contact-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--sf-ink);
  background: var(--sf-paper);
  border: 1px solid var(--sf-line-strong);
  border-radius: var(--radius-interactive);
  padding: 12px 14px;
  resize: vertical;
}

.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--sf-accent);
}

.form-note { font-size: 12px; color: var(--sf-graphite-soft); }
.form-status { font-family: var(--font-mono); font-size: 12px; color: var(--sf-accent); min-height: 1em; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--sf-line);
  padding: var(--sp-3) 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-mark, .footer-copy { font-family: var(--font-mono); font-size: 11.5px; color: var(--sf-graphite-soft); }

/* ==========================================================================
   Case study modal
   ========================================================================== */

.case-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}

.case-modal.is-open { display: block; }

.case-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 21, 26, 0.55);
}

.case-modal-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: var(--sp-8) auto;
  background: var(--sf-panel);
  border: 1px solid var(--sf-line-strong);
  max-height: calc(100vh - var(--sp-12));
  display: flex;
  flex-direction: column;
  animation: modalIn var(--dur-med) var(--ease-mech);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.case-modal-close {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  width: 32px;
  height: 32px;
  z-index: 3;
  background: var(--sf-panel);
  border: 1px solid var(--sf-line-strong);
}

.case-modal-close span {
  position: absolute;
  top: 50%; left: 50%;
  width: 14px; height: 1px;
  background: var(--sf-ink);
}

.case-modal-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.case-modal-close span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }

.case-modal-scroll { overflow-y: auto; }

.case-modal-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-3) calc(var(--sp-2) + 32px + var(--sp-2)) var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--sf-line);
}

.case-modal-ref { font-family: var(--font-mono); font-size: 12px; color: var(--sf-graphite); }

.case-modal-actions { display: flex; gap: 6px; }

.case-nav-btn {
  width: 30px; height: 30px;
  border: 1px solid var(--sf-line-strong);
  font-family: var(--font-mono);
}

.case-nav-btn:hover { border-color: var(--sf-accent); color: var(--sf-accent); }

.case-modal-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4);
  background: var(--sf-paper-alt);
  border-bottom: 1px solid var(--sf-line);
}

.case-modal-diagram span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-graphite);
  text-align: center;
  line-height: 1.35;
  max-width: 30%;
}

.case-modal-diagram i { flex: 1; height: 1px; background: var(--sf-line-strong); margin: 0 12px; position: relative; }
.case-modal-diagram i::after { content: ''; position: absolute; right: 0; top: -2.5px; width: 5px; height: 5px; border-radius: 50%; background: var(--sf-accent); }

.case-modal-body { padding: var(--sp-4); }

.case-modal-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--sf-solid);
  color: var(--sf-solid-text);
  padding: 4px 8px;
}

.case-modal-body h2 { font-size: 24px; margin: var(--sp-2) 0 4px; }
.case-modal-subtitle { color: var(--sf-graphite); font-size: 15px; margin-bottom: var(--sp-3); }

.case-modal-sections { display: flex; flex-direction: column; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.case-modal-block p { font-size: 14.5px; line-height: 1.6; color: var(--sf-ink); margin-top: 6px; }

.case-modal-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--sf-line);
  border: 1px solid var(--sf-line);
}

.case-metric { background: var(--sf-paper); padding: var(--sp-2); text-align: center; }
.case-metric strong { display: block; font-family: var(--font-mono); font-size: 16px; line-height: 1.35; color: var(--sf-accent); margin-bottom: 4px; }
.case-metric span { font-family: var(--font-mono); font-size: 10.5px; color: var(--sf-graphite-soft); text-transform: uppercase; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) {
  .panel-grid--about, .capabilities-layout, .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  .bio-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { padding: var(--sp-3) 0; }
  .page-stage { padding: var(--sp-6) 0 var(--sp-8); }
  .hero-actions, .contact-list li { flex-direction: column; align-items: flex-start; }
}