/* =====================================================================
   Merganser Solutions — design system
   System-font (Apple-style) editorial. Near-black on light, one accent.
   ===================================================================== */

:root {
  /* Palette — neutral with a single restrained blue accent */
  --paper: #fbfbfd;
  --paper-2: #f4f5f7;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #55565a;
  --ink-3: #64656b;
  --line: rgba(0, 0, 0, 0.1);
  --line-2: rgba(0, 0, 0, 0.16);
  --accent: #0a66d0;
  --accent-press: #084fa3;
  --accent-tint: rgba(10, 102, 208, 0.08);
  --gold: #b8872d;
  --gold-tint: rgba(184, 135, 45, 0.14);
  --on-accent: #ffffff;

  /* Dark cinematic sections */
  --ink-bg: #0b1220;
  --ink-bg-2: #131d33;
  --on-dark: #f5f6f8;
  --on-dark-2: #9fabc2;
  --line-dark: rgba(255, 255, 255, 0.12);

  /* Typography — Apple system stack, no embedded fonts */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-display: clamp(2.75rem, 1.6rem + 5.2vw, 5.5rem);
  --fs-h2: clamp(2rem, 1.35rem + 2.9vw, 3.4rem);
  --fs-h3: clamp(1.3rem, 1.15rem + 0.7vw, 1.7rem);
  --fs-lead: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  --fs-body: clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --fs-meta: 0.8125rem;

  /* Spacing scale (8pt-based) */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;
  --s-8: 8rem;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 1rem + 3vw, 3rem);
  --header-h: 56px;

  /* Radii, borders, shadows */
  --r-sm: 6px;
  --r: 8px;
  --r-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.07), 0 14px 34px rgba(0, 0, 0, 0.08);

  /* Motion */
  --dur: 0.55s;
  --dur-fast: 0.22s;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --z-header: 100;
  --z-menu: 200;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.05;
  color: var(--ink);
}

p {
  margin: 0;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0.75rem;
  transform: translate(-50%, -160%);
  z-index: 300;
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  font-size: var(--fs-meta);
  font-weight: 600;
  transition: transform var(--dur-fast) var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------------ */
/* Header / navigation                                                */
/* ------------------------------------------------------------------ */
.masthead {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  transition: background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}

.masthead[data-elevated="true"] {
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--line);
}

.masthead-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.14), 0 5px 14px rgba(2, 6, 23, 0.12);
}

.brand-name {
  font-size: 1.02rem;
}

.brand-sub {
  color: var(--ink-3);
  font-weight: 500;
}

.primary-nav {
  margin-inline-start: auto;
}

.primary-nav ul {
  display: flex;
  gap: clamp(1rem, 2.4vw, 2.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 450;
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--dur-fast) var(--ease);
}

.primary-nav a:hover,
.primary-nav a[aria-current="true"] {
  color: var(--ink);
}

.primary-nav a[aria-current="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 550;
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.nav-cta:hover {
  background: #000;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  margin-inline-start: auto;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.menu-bar {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

.menu-bar:nth-child(1) {
  top: 18px;
}
.menu-bar:nth-child(2) {
  top: 25px;
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: var(--z-menu);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  backdrop-filter: saturate(180%) blur(24px);
  padding: var(--s-3) var(--gutter) var(--s-5);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.mobile-menu.is-open {
  opacity: 1;
}

.mobile-menu-nav {
  display: grid;
  gap: 0.25rem;
  max-width: var(--maxw);
  margin: 0 auto;
}

.mobile-menu-nav a {
  color: var(--ink);
  font-size: 1.5rem;
  font-weight: 550;
  letter-spacing: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.mobile-menu-cta {
  margin-top: var(--s-3);
  border: 1px solid transparent !important;
  background: var(--accent);
  color: var(--on-accent) !important;
  border-radius: 999px;
  text-align: center;
  padding: 0.9rem 1rem !important;
  font-size: 1.05rem !important;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 22%, transparent);
}

.mobile-menu-cta:hover {
  background: var(--accent-press);
}

body.menu-open {
  overflow: hidden;
}

/* ------------------------------------------------------------------ */
/* Shared section scaffolding                                         */
/* ------------------------------------------------------------------ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3.25rem, 1.9rem + 5vw, 6rem) var(--gutter);
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-2);
}

.eyebrow-invert {
  color: #6fb0ff;
}

h2 {
  font-size: var(--fs-h2);
}

.section-sub {
  margin-top: var(--s-2);
  max-width: 40rem;
  color: var(--ink-2);
  font-size: clamp(1.05rem, 1rem + 0.25vw, 1.25rem);
  line-height: 1.5;
  letter-spacing: 0;
}

.section-dark {
  background: var(--ink-bg);
  color: var(--on-dark);
  box-shadow: 0 0 0 100vmax var(--ink-bg);
  clip-path: inset(0 -100vmax);
}

.section-dark h2,
.section-dark h3 {
  color: var(--on-dark);
}

.section-dark .eyebrow,
.section-dark .slide-index,
.section-dark .carousel-kicker,
.section-dark .panel-kicker,
.section-dark .proof-label {
  color: #6fb0ff;
}

.section-dark .section-sub,
.section-dark .partner-line,
.section-dark .carousel-count,
.section-dark .slide-points li,
.section-dark .tab-meta,
.section-dark .panel-story dd {
  color: var(--on-dark-2);
}

.section-dark .expertise-list h3 {
  color: #07111f;
}

.section-dark .expertise-list p {
  color: #25364c;
}

.section-dark .slide-index {
  color: #9dccff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 50px;
  padding: 0 1.5rem;
  border-radius: 999px;
  font-size: 1.02rem;
  font-weight: 550;
  letter-spacing: 0;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  touch-action: manipulation;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-press);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-quiet {
  background: transparent;
  color: var(--ink);
  padding: 0 0.75rem;
  border-color: transparent;
}

.btn-quiet .btn-arrow {
  transition: transform var(--dur-fast) var(--ease);
}

.btn-quiet:hover {
  color: var(--accent);
}

.btn-quiet:hover .btn-arrow {
  transform: translateX(3px);
}

/* ------------------------------------------------------------------ */
/* Hero                                                               */
/* ------------------------------------------------------------------ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 2rem + 6vw, 6.5rem) var(--gutter) clamp(3.5rem, 2rem + 6vw, 7rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.eyebrow + h1 {
  margin-top: 0;
}

.hero h1 {
  font-size: var(--fs-display);
  letter-spacing: 0;
  margin-bottom: var(--s-3);
  max-width: 11.5ch;
}

.lead {
  max-width: 34rem;
  color: var(--ink-2);
  font-size: var(--fs-lead);
  line-height: 1.5;
  letter-spacing: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--s-4);
}

.hero-note {
  margin-top: var(--s-4);
  color: var(--ink-3);
  font-size: var(--fs-meta);
  font-family: var(--font-mono);
  letter-spacing: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-note-star {
  color: var(--gold);
  font-family: var(--font);
  font-size: 0.62rem;
  line-height: 1;
  transform: translateY(-0.02rem);
}

/* Hero system diagram (purpose-built visual) */
.hero-visual {
  display: grid;
  place-items: center;
}

.system-diagram {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
}

.system-diagram svg {
  width: 100%;
  height: 100%;
}

.dnode {
  fill: var(--surface);
  stroke: var(--accent);
  stroke-width: 1.6;
  animation: node-pulse 12s linear infinite;
}

.dnode[data-node="assess"] {
  animation-delay: 0s;
}
.dnode[data-node="secure"] {
  animation-delay: 3s;
}
.dnode[data-node="connect"] {
  animation-delay: 6s;
}
.dnode[data-node="control"] {
  animation-delay: 9s;
}

@keyframes node-pulse {
  0% {
    fill: var(--surface);
    stroke-width: 1.6;
  }
  2% {
    fill: var(--accent);
    stroke-width: 2.4;
  }
  12% {
    fill: var(--surface);
    stroke-width: 1.6;
  }
}

/* Traveling signal dot */
.traveler {
  fill: var(--accent);
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--accent) 60%, transparent));
}

.traveler-halo {
  fill: var(--accent);
  opacity: 0.16;
  animation: halo-pulse 2.6s ease-in-out infinite;
}

@keyframes halo-pulse {
  0%,
  100% {
    opacity: 0.1;
  }
  50% {
    opacity: 0.24;
  }
}

/* Reduced motion: no travel, statically highlight the entry node */
@media (prefers-reduced-motion: reduce) {
  .diagram-traveler-g {
    display: none;
  }
  .dnode[data-node="assess"] {
    fill: var(--accent);
  }
}

.diagram-labels {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.diagram-labels li {
  position: absolute;
  transform: translate(-50%, -50%);
}

.diagram-labels span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--paper);
  padding: 0.15rem 0.4rem;
}

.label-assess {
  left: 50%;
  top: 6%;
}
.label-secure {
  left: 89%;
  top: 47.6%;
}
.label-connect {
  left: 50%;
  top: 90%;
}
.label-control {
  left: 11%;
  top: 47.6%;
}

/* ------------------------------------------------------------------ */
/* Statement (dark cinematic)                                         */
/* ------------------------------------------------------------------ */
.statement {
  background: var(--ink-bg);
  color: var(--on-dark);
}

.statement-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 2rem + 8vw, 8rem) var(--gutter);
}

.statement h2 {
  color: var(--on-dark);
  max-width: 20ch;
  font-size: var(--fs-h2);
}

.statement-lead {
  margin-top: var(--s-3);
  max-width: 44rem;
  color: var(--on-dark-2);
  font-size: var(--fs-lead);
  line-height: 1.55;
  letter-spacing: 0;
}

.statement-proof {
  margin-top: var(--s-3);
  max-width: 58rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line-dark);
  border-left: 3px solid #6fb0ff;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--ink-bg-2) 72%, transparent);
  color: var(--on-dark);
  line-height: 1.5;
}

.model-track {
  list-style: none;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  overflow: hidden;
}

.model-track li {
  background: var(--ink-bg);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.model-step {
  display: inline-grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: 1px solid rgba(111, 176, 255, 0.38);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1;
  color: #6fb0ff;
}

.model-name {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0;
}

.model-desc {
  color: var(--on-dark-2);
  font-size: 0.98rem;
  line-height: 1.45;
}

/* ------------------------------------------------------------------ */
/* Capabilities (editorial index)                                     */
/* ------------------------------------------------------------------ */
.cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.cap-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(3.75rem, 5rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.2rem);
  align-items: end;
  min-height: clamp(17rem, 27vw, 24rem);
  padding: clamp(1.25rem, 3vw, 2.6rem);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--r);
  background-image:
    linear-gradient(90deg, rgba(2, 6, 23, 0.94) 0%, rgba(2, 6, 23, 0.86) 31%, rgba(15, 23, 42, 0.52) 61%, rgba(15, 23, 42, 0.34) 100%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.16), rgba(2, 6, 23, 0.68)),
    var(--cap-bg);
  background-position: center;
  background-size: cover;
  box-shadow: 0 18px 50px rgba(2, 6, 23, 0.12);
  isolation: isolate;
  transition:
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.cap-row:hover {
  border-color: rgba(3, 105, 161, 0.42);
  box-shadow: 0 22px 58px rgba(2, 6, 23, 0.18);
  transform: translateY(-2px);
}

.cap-index {
  position: relative;
  z-index: 1;
  display: inline-grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border: 1px solid rgba(154, 213, 255, 0.48);
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1;
  color: #9ad5ff;
  align-self: start;
}

.cap-body {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.cap-body h3 {
  color: #fff;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  line-height: 1;
  margin-bottom: clamp(0.65rem, 1.4vw, 1rem);
  text-wrap: balance;
}

.cap-body p {
  max-width: 46rem;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.58;
  letter-spacing: 0;
}

.cap-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}

.cap-deliverables li {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.cap-gap {
  --cap-bg: url("assets/capabilities/gap-analysis.jpg");
}

.cap-ai {
  --cap-bg: url("assets/capabilities/ai-automation.jpg");
}

.cap-cmmc {
  --cap-bg: url("assets/capabilities/cmmc-readiness.jpg");
}

.cap-plm {
  --cap-bg: url("assets/capabilities/plm-consulting.jpg");
}

.cap-command {
  --cap-bg: url("assets/capabilities/command-centers.jpg");
}

.cap-sops {
  --cap-bg: url("assets/capabilities/sops-training.jpg");
}

/* ------------------------------------------------------------------ */
/* Industries — tabbed storytelling                                   */
/* ------------------------------------------------------------------ */
.industries {
  background: var(--paper-2);
  max-width: none;
  padding-inline: 0;
}

.industries > .section-head,
.industry-explorer {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.industry-explorer {
  display: grid;
  grid-template-columns: 15rem 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.industry-tablist {
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

.industry-tab {
  display: grid;
  gap: 0.15rem;
  text-align: left;
  padding: 0.72rem 0.85rem;
  min-height: 56px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  cursor: pointer;
  color: var(--ink-2);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  border-left: 2px solid transparent;
}

.industry-tab:hover {
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  color: var(--ink);
}

.industry-tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--ink);
  border-left-color: var(--accent);
}

.tab-label {
  font-size: 1.02rem;
  font-weight: 550;
  letter-spacing: 0;
}

.tab-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-3);
}

.industry-tab[aria-selected="true"] .tab-meta {
  color: var(--accent);
}

.section-dark .industry-tab {
  color: var(--on-dark-2);
}

.section-dark .industry-tab:hover {
  background: color-mix(in srgb, var(--ink-bg-2) 72%, transparent);
  color: var(--on-dark);
}

.section-dark .industry-tab[aria-selected="true"] {
  background: var(--ink-bg-2);
  color: var(--on-dark);
  border-left-color: #6fb0ff;
}

.section-dark .industry-tab[aria-selected="true"] .tab-meta {
  color: #6fb0ff;
}

.industry-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 2.6vw, 2.15rem);
  box-shadow: var(--shadow-sm);
  animation: panel-in var(--dur) var(--ease);
}

.section-dark .industry-panel {
  background: var(--ink-bg-2);
  border-color: var(--line-dark);
}

/* Explicit display rule must yield to the hidden attribute */
.industry-panel[hidden] {
  display: none;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.panel-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.panel-text h3 {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  letter-spacing: 0;
  margin-bottom: var(--s-3);
}

.panel-story {
  margin: 0;
  display: grid;
  gap: var(--s-2);
}

.panel-story div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.5rem 1rem;
  padding-top: var(--s-2);
  border-top: 1px solid var(--line);
}

.section-dark .panel-story div {
  border-top-color: var(--line-dark);
}

.panel-story dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  padding-top: 0.15rem;
}

.section-dark .panel-story dt {
  color: #d7e3f7;
}

.panel-story dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: 0;
}

.section-dark .panel-story dd {
  color: var(--on-dark-2);
}

.panel-link {
  display: inline-flex;
  margin-top: var(--s-3);
  font-weight: 550;
}

.panel-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.panel-visual {
  border-radius: var(--r);
  min-height: 240px;
  background-color: var(--paper-2);
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 1rem;
  align-content: center;
}

.section-dark .panel-visual {
  background-color: color-mix(in srgb, var(--ink-bg) 78%, var(--ink-bg-2));
  border-color: var(--line-dark);
}

.flow-node {
  min-height: 4.5rem;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
}

.flow-node:first-child {
  border-color: color-mix(in srgb, var(--gold) 58%, var(--line));
  background: var(--gold-tint);
}

.flow-node:last-child {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.flow-node:nth-child(odd)::after {
  content: "";
  position: absolute;
  left: calc(100% + 0.2rem);
  top: 50%;
  width: 0.35rem;
  height: 0.35rem;
  border-right: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
}

.section-dark .flow-node {
  background: var(--ink-bg);
  border-color: var(--line-dark);
  color: var(--on-dark);
}

.section-dark .flow-node:first-child {
  background: color-mix(in srgb, var(--gold) 18%, var(--ink-bg));
  border-color: color-mix(in srgb, var(--gold) 58%, var(--line-dark));
}

.section-dark .flow-node:last-child {
  background: #6fb0ff;
  border-color: #6fb0ff;
  color: #06101e;
}

.section-dark .flow-node:nth-child(odd)::after {
  border-color: #6fb0ff;
}

/* ------------------------------------------------------------------ */
/* Executive outcomes                                                  */
/* ------------------------------------------------------------------ */
.exec-outcomes {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.exec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.exec-card {
  min-height: 250px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.9rem;
  padding: clamp(1.05rem, 1.8vw, 1.35rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.exec-card span {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.exec-card h3 {
  font-size: clamp(1.14rem, 1.04rem + 0.38vw, 1.36rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.exec-card p {
  color: var(--ink-2);
  line-height: 1.5;
}

/* ------------------------------------------------------------------ */
/* Readiness                                                          */
/* ------------------------------------------------------------------ */
.readiness {
  background: var(--paper);
}

.readiness-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.readiness-intro {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.readiness-tool {
  display: grid;
  gap: 0.75rem;
}

.readiness-score {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem 1rem;
  align-items: end;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
}

.score-label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.readiness-score strong {
  font-size: clamp(1.35rem, 1.1rem + 1vw, 2rem);
  line-height: 1.05;
  color: var(--ink);
}

.readiness-score > span {
  font-family: var(--font-mono);
  color: var(--ink-3);
  font-size: 0.9rem;
}

.score-meter {
  grid-column: 1 / -1;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.score-meter span {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease);
}

.readiness-score p:last-child {
  grid-column: 1 / -1;
  color: var(--ink-2);
  line-height: 1.45;
  font-size: 0.94rem;
}

.readiness-questions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--line);
}

.readiness-questions li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  min-height: 64px;
  padding: 0.75rem 0.85rem;
  background: var(--surface);
}

.readiness-questions p {
  color: var(--ink);
  line-height: 1.35;
  font-weight: 500;
}

.readiness-questions p span {
  margin-right: 0.45rem;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.75rem;
}

.answer-set {
  display: grid;
  grid-template-columns: repeat(3, minmax(4.2rem, 1fr));
  gap: 0.35rem;
}

.answer-set button {
  min-height: 44px;
  padding: 0 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.answer-set button:hover,
.answer-set button:focus-visible,
.answer-set button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-tint);
  color: var(--accent);
}

.answer-set button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 26%, transparent);
  outline-offset: 2px;
}

.readiness-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  justify-content: flex-end;
  padding-top: 0.35rem;
}

/* Expertise / outcomes                                               */
/* ------------------------------------------------------------------ */
.expertise-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.expertise-intro {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.partner-line {
  margin-top: var(--s-3);
  padding-top: var(--s-2);
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.98rem;
  line-height: 1.5;
}

.section-dark .partner-line {
  border-top-color: var(--line-dark);
}

.flag-chip {
  display: inline-block;
  width: 22px;
  height: 15px;
  margin-right: 0.5rem;
  vertical-align: -0.15em;
  border-radius: 2px;
  border: 1px solid var(--line-2);
  background: linear-gradient(90deg, #1a3a6b 0 42%, transparent 42%),
    repeating-linear-gradient(180deg, #b23b3b 0 2px, #fff 2px 4px);
}

.outcome-carousel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  isolation: isolate;
}

.section-dark .outcome-carousel {
  background: var(--ink-bg-2);
  border-color: var(--line-dark);
}

.carousel-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding: 0.82rem 0.95rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), var(--paper));
}

.section-dark .carousel-topline {
  border-bottom-color: var(--line-dark);
  background: linear-gradient(180deg, var(--ink-bg-2), var(--ink-bg));
}

.carousel-kicker,
.carousel-count,
.slide-index {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.carousel-count {
  margin-left: auto;
  color: var(--ink-3);
}

.carousel-controls {
  display: none;
}

:root.js .carousel-controls {
  display: flex;
  gap: 0.5rem;
}

.carousel-btn {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.section-dark .carousel-btn {
  border-color: var(--line-dark);
  background: var(--ink-bg);
  color: var(--on-dark);
}

.carousel-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.carousel-viewport {
  overflow: hidden;
  height: clamp(300px, 26vw, 338px);
}

.expertise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

:root.js .expertise-list.carousel-track {
  display: block;
  gap: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.expertise-list > li {
  background: var(--surface);
  padding: clamp(1rem, 2.1vw, 1.45rem);
}

:root.js .carousel-slide {
  min-height: 100%;
  height: 100%;
  display: none;
  grid-template-rows: auto auto auto 1fr;
  align-content: stretch;
  gap: 0.72rem;
  border-top: 0;
  position: relative;
  padding-left: clamp(1.65rem, 3vw, 2.35rem);
}

:root.js .carousel-slide::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
}

:root.js .section-dark .carousel-slide::before {
  background: #6fb0ff;
}

:root.js .carousel-slide.is-active {
  display: grid;
}

.expertise-list h3 {
  font-size: clamp(1.3rem, 1.12rem + 0.55vw, 1.65rem);
  margin-bottom: 0.15rem;
  letter-spacing: 0;
}

.expertise-list p {
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 46rem;
}

.slide-points {
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-rows: repeat(3, minmax(2.55rem, 1fr));
  align-self: end;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--surface);
}

.section-dark .slide-points {
  border-color: var(--line-dark);
  background: var(--ink-bg-2);
}

.slide-points li {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 2.55rem;
  padding: 0.48rem 0.75rem 0.48rem 2rem;
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.45;
  background: transparent;
  border: 0;
}

.slide-points li + li {
  border-top: 1px solid var(--line);
}

.section-dark .slide-points li + li {
  border-top-color: var(--line-dark);
}

.slide-points li::before {
  content: "";
  position: absolute;
  left: 0.82rem;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.section-dark .slide-points li::before {
  background: #6fb0ff;
}

.carousel-dots {
  display: none;
}

:root.js .carousel-dots {
  display: flex;
  gap: 0.55rem;
  padding: 0 0.95rem 0.95rem;
  background: var(--surface);
}

:root.js .section-dark .carousel-dots {
  background: var(--ink-bg-2);
}

.carousel-dot {
  width: 100%;
  min-width: 0;
  height: 3px;
  border: 0;
  border-radius: 999px;
  background: var(--line-2);
  cursor: pointer;
  padding: 0;
}

.section-dark .carousel-dot {
  background: var(--line-dark);
}

.carousel-dot[aria-current="true"] {
  background: var(--accent);
}

.section-dark .carousel-dot[aria-current="true"] {
  background: #6fb0ff;
}

/* ------------------------------------------------------------------ */
/* Proof notes                                                        */
/* ------------------------------------------------------------------ */
.proof-notes {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: 0.75rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 0.75rem;
  overflow: visible;
}

@media (min-width: 941px) {
  .proof-notes .proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.proof-card {
  min-height: 286px;
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: var(--s-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: clamp(1.05rem, 1.8vw, 1.35rem);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.025);
}

.proof-label {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proof-card h3 {
  font-size: clamp(1.02rem, 0.98rem + 0.24vw, 1.18rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.proof-card h3 span,
.proof-card p span {
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0;
}

.proof-card p {
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.48;
}

.proof-card small {
  align-self: end;
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
  background: var(--paper);
}

/* ------------------------------------------------------------------ */
/* Contact                                                            */
/* ------------------------------------------------------------------ */
.contact {
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.contact-direct {
  margin-top: var(--s-3);
  color: var(--ink-2);
}

.contact-form {
  display: grid;
  gap: var(--s-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
  align-items: start;
}

.form-field {
  display: grid;
  grid-template-rows: 1.35rem 48px 1rem;
  gap: 0.32rem;
  min-width: 0;
}

.form-field-message {
  grid-template-rows: auto auto auto minmax(1.1rem, auto);
}

label {
  display: flex;
  align-items: end;
  font-size: 0.92rem;
  font-weight: 550;
  line-height: 1.25;
  color: var(--ink);
}

.req::after {
  content: " *";
  color: var(--accent);
}

input,
select {
  width: 100%;
  height: 48px;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  letter-spacing: 0;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

textarea {
  width: 100%;
  min-height: 132px;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  letter-spacing: 0;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

textarea {
  resize: vertical;
  line-height: 1.5;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--ink-3);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-tint);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: #c0392b;
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.1);
}

.field-hint {
  color: var(--ink-3);
  font-size: 0.85rem;
  line-height: 1.4;
}

.field-error {
  min-height: 1.1rem;
  margin: 0;
  color: #b02a1e;
  font-size: 0.85rem;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.form-status {
  color: var(--ink-2);
  font-size: 0.9rem;
}

.bot-field {
  position: absolute;
  left: -9999px;
}

/* ------------------------------------------------------------------ */
/* Success page                                                       */
/* ------------------------------------------------------------------ */
.success {
  min-height: calc(100dvh - var(--header-h) - 8rem);
  display: grid;
  align-content: center;
}

.success h1 {
  font-size: var(--fs-display);
  letter-spacing: 0;
  margin: var(--s-2) 0 var(--s-3);
}

/* ------------------------------------------------------------------ */
/* Footer                                                             */
/* ------------------------------------------------------------------ */
.site-footer {
  background: var(--ink-bg);
  color: var(--on-dark-2);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 5vw, 4.5rem) var(--gutter) var(--s-4);
  display: flex;
  justify-content: space-between;
  gap: var(--s-5);
  flex-wrap: wrap;
}

.footer-brand .brand {
  color: var(--on-dark);
}

.footer-brand .brand-sub {
  color: var(--on-dark-2);
}

.footer-brand p {
  margin-top: var(--s-2);
  max-width: 22rem;
  font-size: 0.95rem;
}

.sdvosb-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: var(--s-3);
  padding: 0.7rem 1rem 0.7rem 0.7rem;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.badge-emblem {
  flex: 0 0 auto;
}

.badge-text {
  display: grid;
  gap: 0.1rem;
}

.badge-text strong {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--on-dark);
}

.badge-text > span {
  font-size: 0.76rem;
  line-height: 1.3;
  color: var(--on-dark-2);
  max-width: 16rem;
}

.footer-contact a {
  color: #6fb0ff;
}

.footer-nav {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.footer-nav a {
  color: var(--on-dark-2);
  font-size: 0.95rem;
}

.footer-nav a:hover {
  color: var(--on-dark);
}

.footer-legal {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--s-3) var(--gutter);
  border-top: 1px solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  gap: var(--s-2);
  flex-wrap: wrap;
  font-size: var(--fs-meta);
  color: var(--on-dark-2);
}

.footer-legal p {
  margin: 0;
}

/* ------------------------------------------------------------------ */
/* Scroll progress indicator                                          */
/* ------------------------------------------------------------------ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
  background: transparent;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #6fb0ff));
  will-change: transform;
}

/* ------------------------------------------------------------------ */
/* Back-to-top                                                        */
/* ------------------------------------------------------------------ */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: var(--z-header);
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
    visibility var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  box-shadow: var(--shadow-sm);
}

.to-top.is-shown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

.to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ------------------------------------------------------------------ */
/* Reveal-on-scroll motion                                            */
/* ------------------------------------------------------------------ */
/* Progressive enhancement: only hide when JS is active (html.js).
   Without JS, .reveal content is fully visible. */
:root.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  will-change: opacity, transform;
}

:root.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------------ */
/* Responsive                                                         */
/* ------------------------------------------------------------------ */
@media (max-width: 940px) {
  .primary-nav,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    order: -1;
  }

  .system-diagram {
    width: min(82vw, 330px);
  }

  .model-track {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-explorer {
    grid-template-columns: 1fr;
  }

  .industry-tablist {
    position: static;
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }

  .industry-tablist::-webkit-scrollbar {
    display: none;
  }

  .industry-tab {
    flex: 0 0 auto;
    border-left: 0;
    border-bottom: 2px solid transparent;
    scroll-snap-align: start;
  }

  .industry-tab[aria-selected="true"] {
    border-left: 0;
    border-bottom-color: var(--accent);
  }

  .industry-panel {
    grid-template-columns: 1fr;
  }

  .panel-visual {
    order: -1;
    min-height: 180px;
  }

  .readiness-grid {
    grid-template-columns: 1fr;
  }

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

  .readiness-intro {
    position: static;
  }

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

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .carousel-viewport {
    height: 360px;
  }

  .expertise-intro {
    position: static;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    letter-spacing: 0;
  }

  .hero h1 br {
    display: none;
  }

  .model-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 2rem;
  }

  .model-track li {
    min-height: 8.75rem;
    padding: 1rem;
  }

  .model-step {
    width: 1.45rem;
    height: 1.45rem;
    font-size: 0.68rem;
  }

  .model-name {
    font-size: 1.05rem;
    line-height: 1.08;
  }

  .model-desc {
    font-size: 0.86rem;
    line-height: 1.35;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .statement-proof {
    padding: 0.9rem;
  }

  .exec-grid {
    grid-template-columns: 1fr;
  }

  .exec-card {
    min-height: 0;
  }

  .proof-card {
    min-height: 0;
  }

  .readiness-score {
    grid-template-columns: 1fr;
  }

  .readiness-questions li {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .answer-set {
    grid-template-columns: repeat(3, 1fr);
  }

  .answer-set button {
    min-height: 44px;
  }

  .readiness-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .carousel-viewport {
    height: auto;
    min-height: 0;
  }

  :root.js .carousel-slide {
    min-height: 0;
    height: auto;
    padding-left: 1.35rem;
  }

  .slide-points {
    grid-template-rows: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cap-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    min-height: 22rem;
    padding: 1.25rem;
    align-items: end;
    background-image:
      linear-gradient(90deg, rgba(2, 6, 23, 0.94) 0%, rgba(2, 6, 23, 0.86) 54%, rgba(15, 23, 42, 0.6) 100%),
      linear-gradient(180deg, rgba(2, 6, 23, 0.22), rgba(2, 6, 23, 0.76)),
      var(--cap-bg);
  }

  .cap-index {
    align-self: start;
    width: 1.55rem;
    height: 1.55rem;
    font-size: 0.68rem;
  }

  .cap-deliverables {
    gap: 0.4rem;
  }

  .cap-deliverables li {
    min-height: 32px;
    font-size: 0.66rem;
    padding: 0.32rem 0.58rem;
  }

  .panel-story div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .panel-visual {
    min-height: 210px;
    gap: 0.55rem;
    padding: 0.75rem;
  }

  .flow-node {
    min-height: 3.7rem;
    font-size: 0.68rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--s-4);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .btn-quiet {
    width: auto;
  }
}

/* Dark mode — keep light editorial identity but respect system dark */
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0c0d10;
    --paper-2: #131418;
    --surface: #17181d;
    --ink: #f5f6f8;
    --ink-2: #b6b8be;
    --ink-3: #86888f;
    --line: rgba(255, 255, 255, 0.12);
    --line-2: rgba(255, 255, 255, 0.2);
    --accent: #4d9bff;
    --accent-press: #6fb0ff;
    --accent-tint: rgba(77, 155, 255, 0.14);
    --on-accent: #06121f;
    --ink-bg: #060709;
    --ink-bg-2: #0e1017;
  }

  .nav-cta {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--line-2);
  }

  .nav-cta:hover {
    background: #1f2128;
  }

  .diagram-labels span {
    background: var(--paper);
  }
}

@media (max-width: 560px) {
  .hero-visual {
    width: 100%;
  }

  .system-diagram {
    width: min(86vw, 310px);
    margin-inline: auto;
  }

  .diagram-labels span {
    font-size: 0.62rem;
    letter-spacing: 0;
    padding: 0.12rem 0.32rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(2, 6, 23, 0.08);
  }

  .label-assess {
    left: 50%;
    top: 9%;
  }

  .label-secure {
    left: 78%;
    top: 49%;
  }

  .label-connect {
    left: 50%;
    top: 84%;
  }

  .label-control {
    left: 22%;
    top: 49%;
  }
}

/* Reduced motion */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}