/* KnowIntel.ai — global product UI: neutral surfaces, single blue interactive system, unified dark slabs, a11y focus + reduced motion */
:root {
  --ink: #1f2328;
  --ink-mid: #24292f;
  --ink-soft: #59636e;
  --surface: #eaeef2;
  --surface-elevated: #ffffff;
  --surface-muted: #f6f8fa;
  --line: #d1d9e0;
  --line-strong: #8c959f;

  /* Single dark language for hero, portfolio band, metrics, footer */
  --slab-dark: #161b22;
  --slab-dark-deep: #0d1117;
  --slab-border: rgba(208, 215, 222, 0.14);
  --slab-wash: rgba(88, 166, 255, 0.06);

  --accent-navy: #0d1117;
  --accent-blue: #0969da;
  --accent-blue-hover: #0550ae;
  --accent-blue-soft: rgba(9, 105, 218, 0.12);
  --accent-blue-on-dark: #79b8ff;

  --accent-teal: #055d62;
  --accent-gold: #9a6700;
  --accent-gold-bright: #bf8700;

  --text: #1f2328;
  --text-muted: #59636e;
  --hero-fg: #f6f8fa;
  --hero-muted: rgba(246, 248, 250, 0.78);

  --focus-ring: #0969da;
  --focus-ring-alpha: rgba(9, 105, 218, 0.35);

  /* Chips on dark panels — high contrast, not neon */
  --chip-on-dark-bg: #f6f8fa;
  --chip-on-dark-fg: #1f2328;
  --chip-on-dark-border: #d1d9e0;

  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1280px;
  --header-h: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-soft: 0 12px 32px rgba(15, 20, 28, 0.08);
  --shadow-card: 0 1px 2px rgba(15, 20, 28, 0.04), 0 8px 24px rgba(15, 20, 28, 0.06);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.62;
  color: var(--text);
  background: var(--surface-muted);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent-blue);
  text-decoration: none;
  text-underline-offset: 0.2em;
  text-decoration-skip-ink: auto;
}

a:hover {
  color: var(--accent-blue-hover);
  text-decoration: underline;
}

:focus:not(:focus-visible) {
  outline: none;
}

a:focus-visible,
button:focus-visible,
.nav-toggle-label:focus-visible,
.btn:focus-visible,
.contact-form__submit:focus-visible,
.dialog-card button:focus-visible,
.view-more-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

a.portfolio-tile:focus-visible {
  outline-offset: 3px;
}

.nav-desktop .nav-cta:focus-visible,
.contact-form__submit:focus-visible,
.dialog-card button:focus-visible {
  outline: 2px solid #f6f8fa;
  outline-offset: 2px;
}

.hero-slab .btn--ghost:focus-visible {
  outline-color: #f6f8fa;
}

.shell {
  width: 100%;
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent-gold-bright);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 200;
}

.skip-link:focus,
.skip-link:focus-visible {
  left: 1rem;
  top: 1rem;
  outline: 2px solid var(--accent-navy);
  outline-offset: 2px;
}

.intro-open {
  overflow: hidden;
}

.intro-splash {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 72% 18%, rgba(191, 135, 0, 0.12) 0%, transparent 38%),
    radial-gradient(circle at 24% 78%, rgba(88, 166, 255, 0.1) 0%, transparent 42%),
    linear-gradient(165deg, var(--slab-dark-deep) 0%, var(--slab-dark) 55%, #1c2430 100%);
  color: #eff5fb;
  transition: opacity 0.45s ease;
  overflow: hidden;
}

.intro-splash[hidden] {
  display: none !important;
}

.intro-splash__inner {
  width: min(840px, 94vw);
  text-align: center;
  padding: 2.5rem 1.6rem 2.2rem;
  position: relative;
  z-index: 2;
  border: 1px solid rgba(201, 162, 39, 0.3);
  background: linear-gradient(180deg, rgba(7, 29, 54, 0.48) 0%, rgba(3, 14, 27, 0.7) 100%);
  box-shadow:
    0 26px 90px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 0 0 1px rgba(201, 162, 39, 0.06);
  backdrop-filter: blur(5px);
  animation: introContentFloat 8s ease-in-out infinite;
}

.intro-splash__logo-wrap {
  width: min(460px, 80vw);
  height: 132px;
  margin: 0 auto 1rem;
  position: relative;
  display: grid;
  place-items: center;
}

.intro-splash__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 8px 22px rgba(0, 0, 0, 0.45))
    drop-shadow(0 0 16px rgba(201, 162, 39, 0.2));
  animation: introLogoPulse 5.2s ease-in-out infinite;
}

.intro-splash__ring {
  position: absolute;
  inset: -8px 2%;
  border: 1px solid rgba(201, 162, 39, 0.5);
  border-radius: 999px;
  animation: introRingSpin 18s linear infinite;
}

.intro-splash__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #d4b458;
}

.intro-splash__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.1vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.016em;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.intro-splash__slogan {
  margin: -0.2rem auto 0.75rem;
  max-width: 700px;
  font-size: clamp(0.92rem, 1.5vw, 1.06rem);
  line-height: 1.5;
  color: rgba(239, 245, 251, 0.86);
  letter-spacing: 0.015em;
}

.intro-splash__regions {
  margin: 0 auto 1.35rem;
  max-width: 36rem;
  padding: 0 0.25rem;
  font-size: clamp(0.78rem, 1.35vw, 0.9rem);
  line-height: 1.55;
  font-weight: 500;
  color: rgba(239, 245, 251, 0.76);
  letter-spacing: 0.04em;
}

.intro-splash__regions strong {
  font-weight: 700;
  color: #e8d089;
  letter-spacing: 0.02em;
}

.intro-splash__continue {
  border: 1px solid rgba(201, 162, 39, 0.65);
  background: linear-gradient(180deg, rgba(34, 62, 93, 0.82) 0%, rgba(12, 30, 50, 0.95) 100%);
  color: #f3f7fd;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.84rem 1.6rem;
  box-shadow:
    0 8px 22px rgba(1, 10, 22, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.intro-splash__continue:hover {
  border-color: rgba(212, 180, 88, 0.9);
  box-shadow:
    0 12px 26px rgba(1, 10, 22, 0.58),
    0 0 24px rgba(201, 162, 39, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

.intro-splash__bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}

.intro-splash__bg-orb--one {
  width: min(62vw, 620px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(20, 90, 158, 0.6) 0%, rgba(20, 90, 158, 0.15) 45%, transparent 70%);
  top: -8%;
  left: -10%;
  animation: introOrbOne 18s ease-in-out infinite;
}

.intro-splash__bg-orb--two {
  width: min(56vw, 560px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.35) 0%, rgba(13, 124, 138, 0.2) 45%, transparent 70%);
  right: -12%;
  bottom: -18%;
  animation: introOrbTwo 20s ease-in-out infinite;
}

.intro-splash__bg-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  transform: perspective(700px) rotateX(68deg);
  transform-origin: center top;
  opacity: 0.12;
  z-index: 0;
  animation: introGridDrift 20s linear infinite;
}

@keyframes introRingSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes introLogoPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.035); opacity: 1; }
}

@keyframes introContentFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes introOrbOne {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 26px) scale(1.08); }
}

@keyframes introOrbTwo {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-54px, -30px) scale(1.06); }
}

@keyframes introGridDrift {
  from { transform: perspective(700px) rotateX(68deg) translateY(0); }
  to { transform: perspective(700px) rotateX(68deg) translateY(44px); }
}

.section-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin: 0 0 0.6rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

@supports not ((-webkit-backdrop-filter: blur(12px)) or (backdrop-filter: blur(12px))) {
  .site-header {
    background: rgba(255, 255, 255, 0.98);
  }
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.15rem;
  position: relative;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.brand-wordmark {
  height: 42px;
  width: auto;
}

.header-tagline {
  margin: 0;
  padding-left: 1rem;
  border-left: 1px solid rgba(10, 35, 66, 0.18);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

.nav-desktop {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem 1.2rem;
  align-items: center;
  justify-content: flex-end;
  margin-left: 0;
}

.nav-desktop a {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-mid);
  text-decoration: none;
  padding: 0.45rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-desktop a:hover {
  color: var(--accent-blue-hover);
  text-decoration: none;
  border-bottom-color: var(--accent-blue);
}

.nav-desktop .nav-cta {
  border: none;
  background: var(--accent-blue);
  color: #fff;
  padding: 0.62rem 1.1rem;
  border-bottom: none;
  margin-left: 0.2rem;
  border-radius: 999px;
  box-shadow: none;
  letter-spacing: 0.06em;
}

.nav-desktop .nav-cta:hover {
  background: var(--accent-blue-hover);
  color: #fff;
  border-bottom-color: transparent;
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: 0.55rem 1rem;
  background: var(--surface);
}

.nav-panel {
  margin-left: auto;
}

@media (max-width: 900px) {
  .nav-toggle-label {
    display: block;
  }

  .nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--surface-elevated);
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.25rem;
    box-shadow: 0 16px 48px rgba(5, 10, 18, 0.1);
    margin-left: 0;
    z-index: 120;
  }

  .nav-toggle:checked ~ .nav-panel {
    display: block;
  }

  .nav-desktop {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .nav-desktop a {
    font-size: 0.76rem;
    letter-spacing: 0.08em;
  }

  .nav-desktop .nav-cta {
    margin-left: 0;
  }
}

@media (max-width: 1120px) {
  .header-tagline {
    display: none;
  }
}

/* ---------- Hero (dark immersive partner strip) ---------- */
.hero-slab {
  position: relative;
  isolation: isolate;
  background-color: var(--slab-dark);
  background-image:
    radial-gradient(ellipse 100% 80% at 100% 0%, var(--slab-wash) 0%, transparent 52%),
    radial-gradient(ellipse 70% 50% at 0% 100%, var(--slab-wash) 0%, transparent 45%);
  color: var(--hero-fg);
  min-height: clamp(520px, 82vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(3rem, 8vw, 5.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--slab-border);
}

.hero-slab__mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 25%, transparent 72%);
  pointer-events: none;
}

.hero-slab__accent {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  z-index: 1;
  background: var(--accent-blue);
}

.hero-slab__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr minmax(260px, 400px);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: stretch;
}

@media (max-width: 900px) {
  .hero-slab__grid {
    grid-template-columns: 1fr;
  }

  .hero-title-stack {
    max-width: none;
  }
}

@supports not (background-clip: text) {
  .hero-title-stack__line--accent {
    color: var(--accent-blue-on-dark);
    background: none;
    -webkit-text-fill-color: currentColor;
  }
}

.hero-brand-line {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(247, 250, 252, 0.92);
}

.hero-title-stack {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  margin: 0 0 1rem;
  letter-spacing: -0.04em;
  max-width: 14ch;
}

.hero-title-stack__line {
  display: block;
  font-size: clamp(2.35rem, 6vw, 4.15rem);
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.35);
}

.hero-title-stack__line--accent {
  background: linear-gradient(105deg, #fff 0%, #c8e1ff 42%, var(--accent-blue-on-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  margin: 0 0 1.1rem;
  max-width: 28rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.45;
  color: rgba(247, 250, 252, 0.9);
}

.hero-lead {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--hero-muted);
  max-width: 38rem;
  margin: 0 0 1.85rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 1.55rem;
  border: 2px solid transparent;
  text-decoration: none;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: #fff;
  color: var(--accent-navy);
  border-color: #fff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
}

.btn--primary:hover {
  background: #f6f8fa;
  border-color: #f6f8fa;
  transform: translateY(-1px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
}

.btn--ghost {
  background: transparent;
  color: var(--hero-fg);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
  transform: translateY(-2px);
}

.hero-slab__side {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-pillars {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-pillars li {
  padding: 1.25rem 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--hero-muted);
}

.hero-pillars li:last-of-type {
  border-bottom: none;
}

.hero-pillars__label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue-on-dark);
  margin-bottom: 0.35rem;
}

.hero-slab__mark {
  padding: 1.35rem 1.4rem;
  background: rgba(0, 0, 0, 0.28);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: auto;
}

.hero-slab__mark-title {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hero-fg);
}

.hero-slab__mark-copy {
  margin: 0 0 1.1rem;
  font-size: 0.86rem;
  color: var(--hero-muted);
  line-height: 1.55;
}

.hero-secondary-logo {
  width: min(210px, 100%);
  height: 52px;
  background-image: url("../images/Secondary Logo.png");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
  opacity: 0.92;
}

/* ---------- Capability chain (partner-style narrative) ---------- */
.capability-trail {
  background: var(--surface-elevated);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(2rem, 4.5vw, 3rem);
}

.capability-trail__inner {
  text-align: center;
}

.capability-trail__kicker {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.capability-trail__title {
  margin: 0 auto 1.35rem;
  max-width: 36rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--accent-navy);
}

.capability-trail__chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
}

.capability-trail__item {
  margin: 0;
  padding: 0.55rem 0.95rem;
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 1.4vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-mid);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.capability-trail__arrow {
  margin: 0;
  padding: 0 0.15rem;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-blue);
  user-select: none;
}

.capability-trail__arrow span {
  display: block;
  line-height: 1;
}

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

  .capability-trail__chain {
    flex-direction: column;
    gap: 0.5rem;
  }

  .capability-trail__item {
    width: 100%;
    text-align: center;
  }
}

/* ---------- Commercial impact (value) ---------- */
.value-slab {
  background: linear-gradient(180deg, #f5f7fa 0%, #fafbfd 72%);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(2.75rem, 6vw, 4.25rem);
}

.value-slab__wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.value-slab__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: stretch;
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 900px) {
  .value-slab__head {
    grid-template-columns: 1fr;
  }
}

.value-slab__lead .section-eyebrow {
  margin-bottom: 0.65rem;
}

.value-slab h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 22ch;
}

@media (max-width: 900px) {
  .value-slab h2 {
    max-width: none;
  }
}

.value-slab__hook {
  margin: 0;
  align-self: stretch;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  padding: 1rem 1.15rem;
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-blue);
}

.value-pillar-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 900px) {
  .value-pillar-grid {
    grid-template-columns: 1fr;
  }
}

.value-pillar-card {
  margin: 0;
  padding: 1.35rem 1.25rem 1.4rem;
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--accent-blue);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.value-pillar-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--line-strong);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.value-pillar-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.value-pillar-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.value-metrics-panel {
  background-color: var(--slab-dark);
  background-image: radial-gradient(ellipse 90% 70% at 100% 0%, var(--slab-wash) 0%, transparent 55%);
  color: #e8eef6;
  padding: clamp(1.35rem, 3vw, 1.85rem) clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--slab-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.value-metrics-panel__head {
  margin-bottom: 1rem;
}

.value-metrics-panel__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: #fff;
  letter-spacing: -0.01em;
}

.value-metrics-panel__sub {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: rgba(232, 238, 246, 0.78);
}

.value-chip-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.5rem;
}

.value-chip-list li {
  display: inline-block;
  padding: 0.42rem 0.78rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--chip-on-dark-fg);
  background: var(--chip-on-dark-bg);
  border: 1px solid var(--chip-on-dark-border);
  border-radius: 999px;
}

.value-metrics-panel__note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgba(232, 238, 246, 0.82);
  max-width: 52rem;
}

/* ---------- Portfolio (commercial layout) ---------- */
.portfolio-section {
  background: var(--surface-elevated);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.portfolio-hero {
  background-color: var(--slab-dark);
  background-image: radial-gradient(ellipse 100% 70% at 0% 0%, var(--slab-wash) 0%, transparent 50%);
  color: #e8eef6;
  padding: clamp(2.25rem, 5vw, 3.75rem) 0;
  border-bottom: 1px solid var(--slab-border);
}

.portfolio-hero .section-eyebrow--on-dark {
  color: var(--accent-blue-on-dark);
}

.portfolio-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.portfolio-hero__intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.85rem;
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 22ch;
}

@media (max-width: 900px) {
  .portfolio-hero__intro h2 {
    max-width: none;
  }
}

.portfolio-hero__lede {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  line-height: 1.65;
  color: rgba(232, 238, 246, 0.82);
  max-width: 36rem;
}

.portfolio-hero__tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

@media (max-width: 1000px) {
  .portfolio-hero__tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .portfolio-hero__tiles {
    grid-template-columns: 1fr;
  }
}

.portfolio-tile {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 96px;
}

.portfolio-tile:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(121, 184, 255, 0.45);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.portfolio-tile__id {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue-on-dark);
}

.portfolio-tile__name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.portfolio-tile__hint {
  font-size: 0.78rem;
  line-height: 1.4;
  color: rgba(232, 238, 246, 0.72);
}

.portfolio-layout {
  display: grid;
  grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
  gap: clamp(1rem, 2.2vw, 1.8rem);
  align-items: start;
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.portfolio-tabs-bar {
  position: sticky;
  top: calc(var(--header-h) + 12px);
  z-index: 80;
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 1rem 0.85rem 0.95rem;
}

.portfolio-tabs-bar__title {
  margin: 0 0 0.75rem;
  padding: 0 0.15rem 0.65rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.portfolio-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.portfolio-tabs__link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.62rem 0.72rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-mid);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface-muted);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.portfolio-tabs__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  background: var(--surface-elevated);
  color: var(--accent-blue);
  border: 1px solid var(--line);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.portfolio-tabs__icon svg {
  display: block;
}

.portfolio-tabs__text {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}

.portfolio-tabs__link:hover {
  background: var(--surface-elevated);
  border-color: var(--line-strong);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(15, 20, 28, 0.06);
}

.portfolio-tabs__link:hover .portfolio-tabs__icon {
  background: var(--accent-blue-soft);
  border-color: rgba(9, 105, 218, 0.28);
  color: var(--accent-blue-hover);
}

/* Current section in URL — subtle “selected” rail like product shells */
body:has(#agro-intelligence:target) .portfolio-tabs__link[href="#agro-intelligence"],
body:has(#wearable-intelligence:target) .portfolio-tabs__link[href="#wearable-intelligence"],
body:has(#bio-environmental:target) .portfolio-tabs__link[href="#bio-environmental"],
body:has(#logistics-intelligence:target) .portfolio-tabs__link[href="#logistics-intelligence"] {
  background: var(--accent-blue-soft);
  border-color: rgba(9, 105, 218, 0.32);
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent-blue);
}

body:has(#agro-intelligence:target) .portfolio-tabs__link[href="#agro-intelligence"] .portfolio-tabs__icon,
body:has(#wearable-intelligence:target) .portfolio-tabs__link[href="#wearable-intelligence"] .portfolio-tabs__icon,
body:has(#bio-environmental:target) .portfolio-tabs__link[href="#bio-environmental"] .portfolio-tabs__icon,
body:has(#logistics-intelligence:target) .portfolio-tabs__link[href="#logistics-intelligence"] .portfolio-tabs__icon {
  background: #ffffff;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.portfolio-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 2vw, 1.75rem);
  align-items: stretch;
}

.portfolio-block {
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--accent-blue);
  border-left: 1px solid var(--line);
  padding: clamp(1.35rem, 3vw, 2rem) clamp(1.25rem, 3vw, 2rem);
  margin-bottom: 0;
  box-shadow:
    0 14px 34px rgba(5, 10, 18, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 1rem 1.25rem;
  align-items: start;
}

.portfolio-block:last-child {
  margin-bottom: 0;
}

.solution-head {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 0.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid #cbd6e6;
  grid-column: 1;
}

.solution-head__index {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 700;
  line-height: 1;
  color: #8ea4c3;
  letter-spacing: -0.03em;
  user-select: none;
  min-width: 2.5rem;
  margin-top: 0.1rem;
}

.solution-head__text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.3vw, 1.72rem);
  font-weight: 700;
  color: var(--accent-navy);
  margin: 0.12rem 0 0;
  letter-spacing: -0.022em;
  line-height: 1.2;
}

.block-lead {
  margin: 0 0 0.2rem;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 64rem;
  line-height: 1.62;
  grid-column: 1;
}

.area-media {
  margin: 0;
  border: 1px solid #c7d3e3;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(239, 244, 251, 0.92) 100%),
    radial-gradient(circle at 15% 25%, rgba(20, 90, 158, 0.07) 0%, rgba(20, 90, 158, 0) 52%);
  padding: clamp(0.8rem, 1.6vw, 1.1rem);
  display: grid;
  place-items: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 10px 22px rgba(6, 20, 37, 0.05);
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: stretch;
}

.area-media img {
  width: min(100%, 820px);
  height: clamp(260px, 30vw, 420px);
  object-fit: contain;
  object-position: center;
  display: block;
  border: 1px solid #c9d4e4;
  box-shadow:
    0 16px 30px rgba(5, 10, 18, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.38) inset;
}

.portfolio-block .product {
  grid-column: 1 / -1;
}

.portfolio-block .product-cluster {
  grid-column: 1 / -1;
}

.product-cluster {
  margin-bottom: 1.25rem;
}

.product-cluster:last-child {
  margin-bottom: 0;
}

.product-cluster__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.4rem;
  margin-bottom: 0.65rem;
  align-items: stretch;
}

.product-cluster__tab {
  flex: 1 1 140px;
  min-width: 0;
  margin: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(0.78rem, 1.35vw, 0.98rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding: 0.62rem 0.75rem 0.62rem 0.82rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-elevated);
  border-left: 3px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    color 0.15s ease;
}

.product-cluster__tab:hover {
  border-color: var(--accent-blue-soft);
  color: var(--accent-blue-hover);
  background: var(--surface-muted);
}

.product-cluster__tab[aria-selected="true"] {
  border-color: var(--accent-blue-soft);
  border-left-color: var(--accent-blue);
  background: var(--surface-muted);
  color: var(--accent-blue-hover);
  box-shadow:
    0 0 0 1px rgba(20, 90, 158, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

.product-cluster__floating {
  position: relative;
  z-index: 1;
  margin-top: 0.1rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow:
    0 14px 42px rgba(15, 20, 28, 0.09),
    0 0 0 1px rgba(255, 255, 255, 0.45) inset;
}

.product-cluster__floating .product.product--cluster {
  display: block;
  margin-bottom: 0;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  grid-template-columns: unset;
  transition: none;
}

/* Author `display: block` above beats the `hidden` attribute; force non-active panels off-screen. */
.product-cluster__floating .product.product--cluster[hidden] {
  display: none !important;
}

.product-cluster__floating .product.product--cluster.is-open {
  border: none;
  box-shadow: none;
}

.product-cluster__floating .product-cluster__brief {
  margin: 0;
  font-size: clamp(0.92rem, 1.75vw, 1.03rem);
  line-height: 1.58;
  max-width: 100%;
  color: var(--text-muted);
}

@media (max-width: 1120px) {
  .portfolio-block {
    grid-template-columns: 1fr;
  }

  .solution-head,
  .block-lead,
  .area-media,
  .portfolio-block .product,
  .portfolio-block .product-cluster {
    grid-column: 1;
    grid-row: auto;
  }

  .area-media {
    margin-bottom: 0.35rem;
  }
}

.product {
  margin-bottom: 1.25rem;
  padding: 1.35rem 1.35rem 1.4rem;
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: minmax(260px, 420px) 0fr;
  gap: 0.85rem 1.25rem;
  align-items: start;
  transition: grid-template-columns 0.35s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.product.is-open {
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  border-color: var(--line);
  box-shadow:
    0 10px 36px rgba(15, 20, 28, 0.08),
    0 0 0 1px var(--accent-blue-soft);
}

.product:last-child {
  margin-bottom: 0;
}

.product-head {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 0.15rem;
  border-bottom: 1px solid var(--line);
}

.product h4 {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2.1vw, 1.14rem);
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  padding: 0.2rem 0 0 0.85rem;
  border-left: 3px solid var(--accent-blue);
  color: var(--ink);
  letter-spacing: -0.02em;
}

.product-toggle {
  align-self: flex-end;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--accent-blue);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  padding: 0.55rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  box-shadow: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.product-toggle:hover {
  border-color: var(--accent-blue);
  background: var(--accent-blue-soft);
  color: var(--accent-blue-hover);
  transform: none;
  box-shadow: none;
}

.product-toggle__icon {
  width: 0.42rem;
  height: 0.42rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  opacity: 0.75;
  transform: rotate(45deg);
  transition: transform 0.2s ease, opacity 0.15s ease;
}

.product-toggle[aria-expanded="true"] {
  background: var(--accent-blue-soft);
  border-color: var(--accent-blue);
  color: var(--accent-blue-hover);
}

.product-toggle[aria-expanded="true"] .product-toggle__icon {
  transform: rotate(-135deg);
}

.product-usp {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 400;
  max-width: 52rem;
  line-height: 1.58;
  text-transform: none;
  letter-spacing: 0;
  grid-column: 1;
}

.product-media {
  margin: 0 0 1rem;
  border: 1px solid var(--line);
  background: var(--slab-dark);
  grid-column: 1;
}

.product-media img {
  width: 100%;
  height: clamp(200px, 30vw, 360px);
  object-fit: contain;
  object-position: center;
  display: block;
}

.use-case-stack-wrap {
  grid-column: 2;
  grid-row: 1 / span 4;
  min-width: 0;
  max-width: 100%;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.use-case-stack-wrap[hidden] {
  display: none !important;
}

.use-case-stack-wrap.is-collapsed {
  opacity: 0;
  transform: translateX(26px);
  pointer-events: none;
}

.use-case-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  width: 100%;
}

@media (max-width: 1100px) {
  .use-case-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .product {
    grid-template-columns: 1fr;
    padding: 1.2rem 1.15rem 1.25rem;
  }

  .product-toggle {
    align-self: stretch;
    justify-content: flex-start;
    white-space: normal;
    text-align: left;
  }

  .use-case-stack-wrap {
    grid-column: 1;
    grid-row: auto;
  }

  .use-case-stack-wrap.is-collapsed {
    display: none;
  }
}

@media (max-width: 640px) {
  .use-case-stack {
    grid-template-columns: 1fr;
  }
}

.use-case-row {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(15, 20, 28, 0.04);
}

.use-case-body {
  padding: 0.85rem 1rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.use-case-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.use-case-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #00152a;
}

.use-case-body h5 {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin: 0 0 0.45rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.use-case-body p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

.use-case-body .value {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-mid);
  font-weight: 700;
  line-height: 1.4;
}

.view-more-btn {
  margin-top: 0.7rem;
  align-self: flex-start;
  border: 1px solid var(--line);
  background: var(--surface-elevated);
  color: var(--accent-blue);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.view-more-btn:hover {
  background: var(--accent-blue-soft);
  border-color: var(--accent-blue);
  color: var(--accent-blue-hover);
}

.use-case-more {
  margin-top: 0.65rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line);
}

.use-case-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
}

.use-case-kpi {
  display: inline-flex;
  gap: 0.3rem;
  align-items: baseline;
  font-size: 0.7rem;
  color: var(--ink-mid);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.28rem 0.5rem;
}

.use-case-kpi strong {
  color: var(--accent-navy);
  font-size: 0.72rem;
}

.use-case-charts {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

@media (max-width: 520px) {
  .use-case-charts {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  margin: 0;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  padding: 0.35rem;
}

.chart-card figcaption {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}

.chart-card svg {
  display: block;
  width: 100%;
  height: 80px;
  background: linear-gradient(180deg, #f8fbff 0%, #f1f5fb 100%);
  border: 1px solid var(--line);
}

/* ---------- Company ---------- */
.company-slab {
  background: linear-gradient(180deg, #f9fbff 0%, #f1f5fb 100%);
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.company-slab__head {
  max-width: 44rem;
  margin-bottom: 2rem;
}

.company-slab__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
  margin: 0 0 0.65rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.company-slab__lede {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

/* Use-case library on dedicated page (use-cases.html). */
.use-case-page .use-case-vault {
  margin-top: 0;
}

.use-case-page__shell {
  max-width: 72rem;
  margin-inline: auto;
}

/* ---------- Use cases page: store-style product rail ---------- */
.page-use-cases {
  background: #f5f5f7;
}

.page-use-cases .site-footer {
  background: #f5f5f7;
}

.page-use-cases .use-case-page.company-slab {
  background: transparent;
  border-top: none;
  padding-block: clamp(1.5rem, 3vw, 2.75rem);
}

.page-use-cases .use-case-page__shell {
  max-width: 75rem;
}

.page-use-cases .info-card.use-case-vault {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
}

.page-use-cases .use-case-vault {
  margin-top: 0;
}

.page-use-cases #use-case-library-title {
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
  color: #1d1d1f;
  margin-bottom: 0.45rem;
}

.page-use-cases .use-case-vault__intro {
  margin-bottom: 1.35rem;
  color: #6e6e73;
  font-size: 0.95rem;
  max-width: 42rem;
}

.use-case-rail-wrap {
  margin: 0 0 1.75rem;
  padding: 0.85rem clamp(0.75rem, 2vw, 1.35rem);
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.use-case-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  justify-content: flex-start;
  align-items: center;
  overflow: visible;
  padding: 0.2rem 0;
}

.use-case-rail__tile {
  flex: 0 1 auto;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.85rem;
  margin: 0;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: #1d1d1f;
  cursor: pointer;
  font-family: var(--font-display);
  transition: background 0.18s ease, color 0.18s ease;
}

.use-case-rail__tile:hover {
  background: rgba(0, 0, 0, 0.05);
}

.use-case-rail__tile.is-active {
  background: #e8e8ed;
  color: #1d1d1f;
}

.use-case-rail__label {
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: inherit;
  white-space: nowrap;
}

.page-use-cases .use-case-vault__body {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.page-use-cases .use-case-panel {
  margin-bottom: 0;
}

.page-use-cases .use-case-panel[hidden] {
  display: none !important;
}

.page-use-cases .use-case-vault__product-title {
  font-size: clamp(0.98rem, 1.9vw, 1.12rem);
  text-transform: none;
  letter-spacing: -0.02em;
  color: #1d1d1f;
}

@media (prefers-reduced-motion: reduce) {
  .use-case-rail__tile {
    transition-duration: 0.01ms;
  }
}

.use-case-vault__intro {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 52rem;
}

.use-case-vault__reveal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--accent-blue);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.use-case-vault__reveal:hover {
  border-color: var(--accent-blue);
  background: var(--accent-blue-soft);
  color: var(--accent-blue-hover);
}

.use-case-vault__reveal.is-open {
  background: var(--accent-blue-soft);
  border-color: var(--accent-blue);
  color: var(--accent-blue-hover);
}

.use-case-vault__reveal-icon {
  width: 0.42rem;
  height: 0.42rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  opacity: 0.75;
  transform: rotate(45deg);
  transition: transform 0.2s ease, opacity 0.15s ease;
}

.use-case-vault__reveal.is-open .use-case-vault__reveal-icon {
  transform: rotate(-135deg);
}

.use-case-vault__body {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.use-case-vault__body[hidden] {
  display: none !important;
}

.use-case-vault__product {
  margin-bottom: 1.5rem;
}

.use-case-vault__product:last-child {
  margin-bottom: 0;
}

.use-case-vault__product-title {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
  font-weight: 700;
  margin: 0 0 0.65rem;
  padding: 0.15rem 0 0 0.85rem;
  border-left: 3px solid var(--accent-blue);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.use-case-vault .use-case-vault__product-head {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0 0.75rem;
  margin: 0 0 0.5rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 900px) {
  .company-grid {
    grid-template-columns: 1fr;
  }
}

.company-card {
  min-height: 100%;
}

.info-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  padding: 1.5rem 1.35rem;
  margin: 0;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.info-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 0.6rem;
  color: var(--accent-navy);
}

.info-card h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin: 0 0 0.45rem;
}

.info-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.statement-pillar {
  margin-top: 0.9rem;
}

.statement-pillar:first-of-type {
  margin-top: 0.75rem;
}

.statement-pillar__title {
  margin-bottom: 0.35rem;
}

.team-pillar {
  margin-top: 1.15rem;
}

.team-pillar:first-of-type {
  margin-top: 0.85rem;
}

.presence-banner {
  margin-top: 2rem;
  padding: 1.15rem 1.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #eff4fb 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-mid);
}

.presence-banner a {
  font-weight: 700;
}

/* ---------- Contact ---------- */
.contact-slab {
  background: linear-gradient(180deg, #edf2f9 0%, #f9fbff 100%);
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}

.contact-slab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 400px);
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

@media (max-width: 720px) {
  .contact-slab__grid {
    grid-template-columns: 1fr;
  }
}

.contact-slab__intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  margin: 0 0 0.6rem;
  color: var(--ink);
}

.contact-slab__lede {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-panel {
  width: 100%;
}

.contact-address {
  font-style: normal;
}

.contact-list {
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  overflow: hidden;
}

.contact-row {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.5rem 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-list dt {
  margin: 0;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.contact-list dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
}

.contact-list a {
  font-weight: 700;
}

.contact-form {
  margin-top: 1rem;
  border: 1px solid var(--line);
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.contact-form__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-navy);
}

.contact-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  padding: 0.55rem 0.6rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-soft);
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.field textarea {
  resize: vertical;
  min-height: 88px;
}

.contact-form__submit {
  margin-top: 0.25rem;
  border: 1px solid var(--accent-blue);
  background: var(--accent-blue);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(5, 13, 26, 0.2);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.contact-form__submit:hover {
  border-color: var(--accent-blue-hover);
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  .contact-row {
    grid-template-columns: 1fr;
  }

  .contact-form__grid {
    grid-template-columns: 1fr;
  }
}

.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 18, 0.56);
  display: grid;
  place-items: center;
  z-index: 130;
  padding: 1rem;
}

.dialog-backdrop[hidden] {
  display: none !important;
}

.dialog-card {
  width: min(460px, 100%);
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--accent-blue);
  padding: 1rem 1rem 1.05rem;
}

.dialog-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent-navy);
}

.dialog-card p {
  margin: 0 0 0.8rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.dialog-card button {
  border: 1px solid var(--accent-blue);
  background: var(--accent-blue);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.dialog-card button:hover {
  background: var(--accent-blue-hover);
  border-color: var(--accent-blue-hover);
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--slab-dark-deep);
  color: #8b949e;
  padding: 2.5rem 0 2rem;
  border-top: none;
  box-shadow: none;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem 2.5rem;
  align-items: center;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #c9d1d9;
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--accent-blue-on-dark);
  text-decoration: none;
}

.footer-logo {
  height: 34px;
  width: auto;
  opacity: 0.95;
}

.footer-meta {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  max-width: 22rem;
}

@media (min-width: 769px) {
  .footer-meta {
    text-align: right;
    justify-self: end;
  }
}

.site-footer a {
  color: var(--accent-blue-on-dark);
}

.site-footer a:hover {
  color: #c8e1ff;
}

/* ---------- Responsive hardening ---------- */
.portfolio-tile__id,
.portfolio-tile__name,
.portfolio-tile__hint {
  display: block;
  overflow-wrap: anywhere;
}

.use-case-body h5,
.use-case-body p,
.value,
.product-usp,
.block-lead,
.portfolio-hero__lede,
.contact-slab__lede,
.company-slab__lede {
  overflow-wrap: anywhere;
}

@media (max-width: 1200px) {
  .nav-desktop {
    gap: 0.35rem 0.8rem;
  }

  .nav-desktop a {
    letter-spacing: 0.07em;
    font-size: 0.68rem;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 64px;
  }

  .brand-wordmark {
    height: 34px;
  }

  .hero-slab {
    min-height: auto;
    padding-block: 2rem 2.25rem;
  }

  .hero-slab__mark {
    margin-top: 0;
  }

  .portfolio-layout {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding-top: 1rem;
  }

  .portfolio-tabs-bar {
    position: static;
    padding: 0.85rem 0.75rem 0.75rem;
    background: var(--surface-elevated);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
  }

  .portfolio-tabs-bar__title {
    margin-bottom: 0.6rem;
    padding-bottom: 0.55rem;
  }

  .portfolio-tabs {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.45rem;
    padding-bottom: 0.2rem;
  }

  .portfolio-tabs__link {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.55rem 0.7rem;
    box-shadow: none;
  }

  .portfolio-tabs__link:hover {
    box-shadow: none;
  }

  body:has(#agro-intelligence:target) .portfolio-tabs__link[href="#agro-intelligence"],
  body:has(#wearable-intelligence:target) .portfolio-tabs__link[href="#wearable-intelligence"],
  body:has(#bio-environmental:target) .portfolio-tabs__link[href="#bio-environmental"],
  body:has(#logistics-intelligence:target) .portfolio-tabs__link[href="#logistics-intelligence"] {
    box-shadow: inset 0 -2px 0 var(--accent-blue);
  }
}

@media (max-width: 640px) {
  .shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .header-inner {
    gap: 0.55rem;
  }

  .brand-wordmark {
    max-width: 160px;
    width: 100%;
  }

  .nav-toggle-label {
    padding: 0.45rem 0.7rem;
    font-size: 0.62rem;
  }

  .hero-title-stack__line {
    font-size: clamp(1.85rem, 9vw, 2.75rem);
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .portfolio-hero {
    padding-top: 1.7rem;
    padding-bottom: 1.7rem;
  }

  .portfolio-hero__tiles {
    gap: 0.5rem;
  }

  .portfolio-tile {
    padding: 0.85rem 0.9rem;
  }

  .portfolio-block {
    padding: 1rem;
  }

  .area-media {
    padding: 0.55rem;
  }

  .area-media img {
    height: clamp(230px, 52vw, 300px);
  }

  .solution-head {
    gap: 0.8rem;
  }

  .solution-head__index {
    min-width: 1.9rem;
    font-size: 1.55rem;
  }

  .product {
    padding: 1rem;
  }

  .product h4 {
    font-size: 0.94rem;
    padding-left: 0.65rem;
  }

  .use-case-body {
    padding: 0.7rem 0.75rem 0.8rem;
  }

  .use-case-media {
    aspect-ratio: 16 / 9;
  }

  .view-more-btn {
    width: 100%;
    text-align: center;
  }

  .company-slab,
  .contact-slab {
    padding-block: 2rem;
  }

  .contact-row {
    padding: 0.75rem 0.85rem;
  }

  .footer-nav {
    gap: 0.55rem 0.75rem;
  }
}

@media (max-width: 420px) {
  .intro-splash__inner {
    padding: 1.8rem 1rem;
  }

  .intro-splash__continue {
    width: 100%;
  }

  .header-inner {
    min-height: 58px;
  }

  .brand-wordmark {
    max-width: 132px;
  }

  .contact-form {
    padding: 0.8rem;
  }

  .contact-form__submit {
    width: 100%;
  }
}

/* ---------- Motion & accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  .intro-splash__inner,
  .intro-splash__logo,
  .intro-splash__ring,
  .intro-splash__bg-orb--one,
  .intro-splash__bg-orb--two,
  .intro-splash__bg-grid {
    animation: none !important;
  }

  .hero-slab__mesh {
    opacity: 0.1;
  }

  .btn,
  .portfolio-tile,
  .product-toggle,
  .contact-form__submit,
  .nav-desktop a,
  .portfolio-tabs__link,
  .product-cluster__tab,
  .use-case-vault__reveal,
  .use-case-stack-wrap {
    transition-duration: 0.01ms !important;
  }

  .btn:hover,
  .portfolio-tile:hover,
  .product-toggle:hover,
  .contact-form__submit:hover {
    transform: none !important;
  }
}