/* OSINT/SCORE · Unified Tactical & Executive Atlas
   Shared palette, typography, and motion tokens live in /brand/tokens.css. */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  color-scheme: dark;
  background: var(--os-ink);
  color: var(--os-text);
  font-family: var(--os-font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  line-height: 1.58;
  background-color: var(--os-ink);
  background-image:
    radial-gradient(circle at 16% 10%, rgba(56, 189, 248, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 84% 20%, rgba(14, 165, 233, 0.06) 0%, transparent 44%),
    linear-gradient(rgba(148, 163, 184, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.028) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

h1, h2, h3, h4, h5, p, dl, dd, ul { margin: 0; }
a { color: inherit; }
button, input { font: inherit; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--os-cyan); outline-offset: 4px; }
::selection { background: rgba(56, 189, 248, 0.28); color: var(--os-white); }

.wrap {
  width: min(1360px, 100%);
  padding-inline: clamp(20px, 4.2vw, 64px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 20px;
  top: 16px;
  z-index: 300;
  padding: 12px 20px;
  color: var(--os-white);
  background: var(--os-cobalt);
  border-radius: var(--os-radius-sm);
  translate: 0 -180%;
  text-decoration: none;
  font-weight: 600;
  transition: translate var(--os-duration-base) var(--os-ease-out);
}
.skip-link:focus { translate: 0 0; }

/* Masthead */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 17, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--os-line-strong);
}
.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
}
.logo:hover .os-mark i:nth-child(2) {
  transform: translateX(5px);
}
.os-wordmark {
  font-family: var(--os-font-sans);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--os-text-2);
  white-space: nowrap;
  position: relative;
  padding: 6px 0;
  transition: color var(--os-duration-fast) var(--os-ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--os-cyan);
  scale: 0 1;
  transform-origin: left center;
  transition: scale var(--os-duration-base) var(--os-ease-out);
}
.nav-links a:hover { color: var(--os-text); }
.nav-links a:hover::after { scale: 1 1; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.nav-cta .btn {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 13px;
}
.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--os-line-strong);
  border-radius: var(--os-radius-sm);
  background: rgba(17, 25, 44, 0.6);
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 6px auto;
  background: var(--os-text);
  transition: transform var(--os-duration-base) var(--os-ease-out);
}
.nav-burger[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.nav-burger[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.nav-mobile {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: calc(100dvh - 76px);
  overflow-y: auto;
  padding: 20px clamp(20px, 4.2vw, 64px) 28px;
  display: grid;
  gap: 4px;
  background: rgba(11, 16, 29, 0.97);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--os-line-strong);
  box-shadow: 0 24px 48px rgba(2, 6, 23, 0.75);
  opacity: 1;
  translate: 0 0;
  transition: opacity var(--os-duration-base) var(--os-ease-out),
              translate var(--os-duration-base) var(--os-ease-out),
              display var(--os-duration-base) var(--os-ease-out);
  transition-behavior: allow-discrete;
}
@starting-style {
  .nav-mobile:not([hidden]) {
    opacity: 0;
    translate: 0 -8px;
  }
}
.nav-mobile a {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 8px 0;
  color: var(--os-text);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--os-line);
}
.nav-mobile .btn {
  margin-top: 10px;
  padding: 13px 20px;
  border-bottom: none;
  justify-content: center;
}

/* Tactile Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--os-radius-sm);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--os-duration-fast) var(--os-ease-out),
    border-color var(--os-duration-fast) var(--os-ease-out),
    color var(--os-duration-fast) var(--os-ease-out),
    translate var(--os-duration-fast) var(--os-ease-out),
    box-shadow var(--os-duration-fast) var(--os-ease-out);
}
.btn:active { translate: 0 1px; }

.btn-primary {
  background: linear-gradient(135deg, #ff5938 0%, #e03b1f 100%);
  color: var(--os-white);
  border-color: rgba(255, 120, 94, 0.45);
  box-shadow: 0 8px 24px -6px rgba(14, 165, 233, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #ff6a4d 0%, #eb4326 100%);
  border-color: rgba(255, 146, 124, 0.65);
  box-shadow: 0 12px 28px -6px rgba(14, 165, 233, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  translate: 0 -1px;
}

.btn-outline {
  color: var(--os-text);
  background: rgba(17, 25, 44, 0.55);
  border-color: var(--os-line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.btn-outline:hover {
  background: rgba(30, 43, 69, 0.72);
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--os-white);
  translate: 0 -1px;
}

.btn-ghost {
  color: var(--os-text-2);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--os-text);
  background: rgba(30, 43, 69, 0.5);
}

.btn-lg {
  min-height: 52px;
  padding: 14px 26px;
  font-size: 14px;
}
.btn.wide { width: 100%; }

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 6.5vw, 88px) 0 clamp(56px, 6vw, 80px);
}
.hero-grid-bg {
  position: absolute;
  inset: 0 0 0 54%;
  border-left: 1px solid var(--os-line);
  background:
    radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.09) 0%, transparent 65%),
    linear-gradient(90deg, transparent 49.6%, rgba(148, 163, 184, 0.06) 50%, transparent 50.4%),
    linear-gradient(transparent 49.6%, rgba(148, 163, 184, 0.06) 50%, transparent 50.4%);
  background-size: 100% 100%, 140px 140px, 140px 140px;
  pointer-events: none;
  opacity: 0.85;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  align-items: center;
  gap: clamp(32px, 4.5vw, 60px);
  position: relative;
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(17, 25, 44, 0.78);
  border: 1px solid rgba(56, 189, 248, 0.26);
  color: var(--os-cyan);
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.dot-live {
  width: 7px;
  height: 7px;
  background: var(--os-green-bright);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--os-green-bright);
}

h1, h2, h3, h4, h5 {
  font-family: var(--os-font-sans);
  color: inherit;
}
h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(36px, 4.3vw, 58px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
h1 em {
  color: var(--os-cobalt);
  font-style: normal;
  white-space: nowrap;
}
h2 {
  font-size: clamp(26px, 3.1vw, 42px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.026em;
  text-wrap: balance;
}
h2 .muted {
  color: var(--os-text-2);
  font-weight: 500;
}
h3 {
  font-size: clamp(19px, 1.6vw, 22px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

p.lead {
  max-width: 640px;
  color: var(--os-text-2);
  font-size: 16px;
  line-height: 1.68;
  text-wrap: pretty;
}
.hero .lead {
  max-width: 560px;
  font-size: 16px;
  line-height: 1.68;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 36px;
}
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--os-line-strong);
}
.hero-facts > div {
  padding: 12px 14px;
  border-radius: var(--os-radius-sm);
  background: rgba(17, 25, 44, 0.48);
  border: 1px solid var(--os-line);
}
.hero-facts dt {
  font-family: var(--os-font-sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--os-text);
}
.hero-facts dd {
  margin-top: 4px;
  color: var(--os-text-2);
  font-size: 12px;
  line-height: 1.35;
}

/* Hero Orbital Graph + Executive Document Artifact */
.hero-art {
  position: relative;
  min-width: 0;
  height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.graph {
  position: absolute;
  width: 118%;
  height: 118%;
  top: -9%;
  left: -9%;
  overflow: visible;
  pointer-events: none;
  display: block;
}
.graph .orbit {
  stroke: rgba(56, 189, 248, 0.22);
  stroke-dasharray: 3 8;
  transform-origin: 300px 260px;
  animation: orbit-spin 64s linear infinite;
}
.graph .orbit-2 {
  stroke: rgba(148, 163, 184, 0.22);
  stroke-dasharray: 2 7;
  transform-origin: 300px 260px;
  animation: orbit-spin-rev 48s linear infinite;
}
.graph .wire {
  stroke: rgba(56, 189, 248, 0.42);
  stroke-dasharray: 5 7;
  animation: wire-flow 12s linear infinite;
}
.graph .node > circle:first-child {
  fill: var(--os-ink-2);
  stroke: rgba(56, 189, 248, 0.35);
  stroke-width: 1.2;
}
.graph .pulse {
  fill: var(--os-cyan);
  transform-box: fill-box;
  transform-origin: center;
  animation: source-arrival 4.8s var(--os-ease-in-out) infinite;
}
.graph .p2 { animation-delay: 0.9s; }
.graph .p3 { animation-delay: 1.8s; }
.graph .p4 { animation-delay: 2.7s; }
.graph .p5 { animation-delay: 3.6s; }

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}
@keyframes orbit-spin-rev {
  to { transform: rotate(-360deg); }
}
@keyframes wire-flow {
  to { stroke-dashoffset: -120; }
}
@keyframes source-arrival {
  0%, 65%, 100% { opacity: 0.25; transform: scale(0.85); }
  82% { opacity: 1; transform: scale(1.45); }
}

.doc-stack {
  width: min(100%, 400px);
  position: relative;
  z-index: 2;
}
.doc-back {
  position: absolute;
  inset: -10px 10px 10px -10px;
  background: linear-gradient(160deg, rgba(30, 43, 69, 0.85), rgba(17, 25, 44, 0.92));
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--os-radius);
  transform: rotate(-3.5deg);
  box-shadow: 0 20px 44px -16px rgba(2, 6, 23, 0.7);
  transition: transform var(--os-duration-slow) var(--os-ease-out);
}
.doc-front {
  overflow: hidden;
  position: relative;
  background: var(--os-paper);
  color: var(--os-paper-ink);
  border-radius: var(--os-radius);
  border: 1px solid var(--os-paper-line);
  box-shadow: 0 28px 60px -16px rgba(2, 6, 23, 0.78);
  transform: rotate(1.2deg);
  transition: transform var(--os-duration-slow) var(--os-ease-out),
              box-shadow var(--os-duration-slow) var(--os-ease-out);
}
.hero-art:hover .doc-front {
  transform: rotate(0deg) translateY(-5px);
  box-shadow: 0 34px 72px -14px rgba(2, 6, 23, 0.86);
}
.hero-art:hover .doc-back {
  transform: rotate(-2deg) translateY(2px);
}
.doc-cover {
  padding: 26px 26px 20px;
  border-bottom: 1px solid var(--os-paper-line);
  position: relative;
}
.doc-cover::before {
  content: "";
  position: absolute;
  top: 0;
  left: 26px;
  width: 56px;
  height: 4px;
  background: var(--os-cobalt);
  border-radius: 0 0 3px 3px;
}
.doc-cover-tag {
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--os-paper-muted);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.doc-cover-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.doc-name {
  display: block;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--os-paper-ink);
}
.doc-role {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--os-paper-muted);
}
.score-ring-sm {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  position: relative;
  display: grid;
  place-items: center;
}
.score-ring-sm svg {
  position: absolute;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.score-ring-sm .bg {
  fill: none;
  stroke: var(--os-paper-line);
  stroke-width: 2.5;
}
.score-ring-sm .val {
  fill: none;
  stroke: var(--os-cobalt);
  stroke-width: 2.5;
  stroke-dasharray: 113;
  stroke-dashoffset: calc(113 - (113 * 82) / 100);
  stroke-linecap: round;
}
.score-ring-sm span {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--os-font-sans);
  color: var(--os-paper-ink);
}
.doc-body {
  padding: 20px 26px 26px;
}
.doc-h {
  display: block;
  margin-bottom: 8px;
  color: var(--os-paper-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--os-font-sans);
}
.doc-text {
  font-size: 13px;
  line-height: 1.62;
  margin-bottom: 18px;
  color: #1e293b;
}
.doc-opener-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-left: 3px solid var(--os-cobalt);
  border-radius: 0 var(--os-radius-sm) var(--os-radius-sm) 0;
  background: var(--os-paper-2);
  font-size: 12px;
  line-height: 1.5;
  color: var(--os-paper-ink);
}
.badge-opener {
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--os-cobalt-deep);
  background: rgba(14, 165, 233, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.doc-stop-box {
  margin-top: 16px;
  border-top: 1px solid var(--os-paper-line);
  padding-top: 12px;
  font-size: 12px;
  color: var(--os-paper-muted);
}

/* Integration Rail */
.strip {
  background: rgba(11, 16, 29, 0.85);
  border-block: 1px solid var(--os-line-strong);
  padding: 22px 0;
}
.strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.strip-label {
  color: var(--os-text-3);
  font-family: var(--os-font-sans);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.strip-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 14px 28px;
  list-style: none;
  padding: 0;
}
.strip-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--os-text-2);
}
.strip-list li svg {
  color: var(--os-cyan);
  opacity: 0.85;
}

/* Unified Dark Tactical Sections */
.section {
  position: relative;
  padding: clamp(72px, 8vw, 108px) 0;
  background: transparent;
  color: var(--os-text);
  border-bottom: 1px solid var(--os-line);
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 640px;
}
.section-dark {
  background: rgba(11, 16, 29, 0.65);
}
.section-head {
  max-width: 820px;
  margin-bottom: 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.section-head .eyebrow { order: 1; }
.section-head h2 { order: 2; }
.section-head .lead { order: 3; margin-top: 18px; }

/* Capability telemetry notes inside #how .section-head */
#capability-status,
.section-head [data-capability] {
  order: 4;
  font-family: var(--os-font-sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--os-text-2);
  background: rgba(17, 25, 44, 0.65);
  border: 1px solid var(--os-line);
  border-radius: var(--os-radius-sm);
  padding: 6px 12px;
  margin-top: 8px;
}
#capability-status {
  margin-top: 18px;
  border-color: rgba(56, 189, 248, 0.25);
  color: var(--os-cyan);
}
.section-head [data-capability]:empty {
  display: none;
}

/* Cards & Feature Grids */
.cards-3,
.steps-grid,
.batch-feature-grid,
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card,
.step-card,
.batch-box,
.sec-card {
  position: relative;
  padding: 28px;
  border-radius: var(--os-radius-lg);
  background: rgba(17, 25, 44, 0.62);
  border: 1px solid var(--os-line-strong);
  box-shadow: var(--os-shadow-elevated);
  transition:
    translate var(--os-duration-base) var(--os-ease-out),
    border-color var(--os-duration-base) var(--os-ease-out),
    background-color var(--os-duration-base) var(--os-ease-out);
}
.card:hover,
.step-card:hover,
.batch-box:hover,
.sec-card:hover {
  translate: 0 -4px;
  border-color: rgba(56, 189, 248, 0.36);
  background: rgba(22, 32, 56, 0.78);
}

.card-ico,
.batch-icon,
.sec-ico {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: var(--os-radius-sm);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.24);
  color: var(--os-cyan);
}
.card-ico.ico-cobalt {
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.26);
  color: var(--os-cobalt);
}
.card-ico.ico-amber {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.26);
  color: var(--os-amber);
}
.card-ico.ico-red {
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.26);
  color: var(--os-red);
}
.card-ico svg,
.batch-icon svg,
.sec-ico svg {
  width: 22px;
  height: 22px;
}

.card h3,
.step-card h3,
.batch-box h3,
.sec-card h3 {
  margin-bottom: 12px;
  color: var(--os-text);
}
.card p,
.step-card p,
.batch-box p,
.sec-card p {
  color: var(--os-text-2);
  font-size: 14px;
  line-height: 1.72;
}

.step-card {
  display: flex;
  flex-direction: column;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 4px 10px;
  margin-bottom: 20px;
  border-radius: 6px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.3);
  font-family: var(--os-font-sans);
  color: var(--os-cobalt);
  font-size: 13px;
  font-weight: 600;
}
.step-card p {
  margin-bottom: 24px;
  flex: 1;
}
.step-meta {
  font-family: var(--os-font-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--os-text-3);
  padding-top: 14px;
  border-top: 1px solid var(--os-line);
}

/* Interactive Dossier Preview — Executive A4 Document Artifact */
.dossier-viewer {
  border: 1px solid var(--os-line-strong);
  border-radius: var(--os-radius-lg);
  overflow: hidden;
  background: var(--os-paper);
  color: var(--os-paper-ink);
  box-shadow: var(--os-shadow);
}
.dossier-nav {
  display: flex;
  gap: 6px;
  padding: 10px;
  background: var(--os-ink-2);
  overflow-x: auto;
  border-bottom: 1px solid var(--os-line-strong);
  scrollbar-width: thin;
}
.dossier-tab {
  flex: 1 0 auto;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--os-radius-sm);
  background: transparent;
  color: var(--os-text-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--os-duration-fast) var(--os-ease-out),
    color var(--os-duration-fast) var(--os-ease-out),
    border-color var(--os-duration-fast) var(--os-ease-out);
}
.dossier-tab:hover {
  background: rgba(30, 43, 69, 0.55);
  color: var(--os-text);
}
.dossier-tab.active {
  background: rgba(56, 189, 248, 0.14);
  border-color: rgba(56, 189, 248, 0.38);
  color: var(--os-cyan);
  font-weight: 600;
}
.dossier-paper {
  padding: clamp(24px, 4vw, 44px);
  min-height: 420px;
}
.dossier-panel {
  display: none;
  opacity: 0;
  translate: 0 6px;
  transition:
    opacity var(--os-duration-base) var(--os-ease-out),
    translate var(--os-duration-base) var(--os-ease-out),
    display var(--os-duration-base) var(--os-ease-out);
  transition-behavior: allow-discrete;
}
.dossier-panel.active {
  display: block;
  opacity: 1;
  translate: 0 0;
}
@starting-style {
  .dossier-panel.active {
    opacity: 0;
    translate: 0 6px;
  }
}

.dossier-header-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.dossier-header-grid > div { min-width: 0; }
.dossier-doc-tag {
  display: block;
  margin-bottom: 12px;
  color: var(--os-cobalt-deep);
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.dossier-client-name {
  color: var(--os-paper-ink);
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.dossier-subline {
  font-size: 13px;
  color: var(--os-paper-muted);
  line-height: 1.6;
}
.dossier-score-badge {
  flex-shrink: 0;
  padding-left: 24px;
  border-left: 1px solid var(--os-paper-line);
  text-align: right;
}
.score-num {
  display: block;
  font-family: var(--os-font-sans);
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--os-paper-ink);
}
.score-desc {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--os-paper-muted);
}
.dossier-divider {
  height: 1px;
  background: var(--os-paper-line);
  margin: 26px 0;
}
.dossier-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: 36px;
}
.dossier-col-main h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--os-paper-ink);
}
.dossier-prose,
.dossier-checklist {
  font-size: 14px;
  line-height: 1.78;
  color: #1e293b;
}
.dossier-checklist {
  padding: 0;
  list-style: none;
}
.dossier-checklist li { margin-top: 6px; }
.dossier-card-side {
  padding: 18px 20px;
  background: var(--os-paper-2);
  border: 1px solid var(--os-paper-line);
  font-size: 13px;
  line-height: 1.7;
  border-radius: var(--os-radius-sm);
  color: #1e293b;
}
.dossier-card-side + .dossier-card-side { margin-top: 14px; }
.dossier-card-side h5 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--os-paper-ink);
}
.dossier-card-side.stop-card {
  border-left: 3px solid var(--os-cobalt);
}
.dossier-card-side ul { padding-left: 18px; }
.openers-list { display: grid; gap: 14px; }
.opener-box {
  padding: 18px 22px;
  border-left: 3px solid var(--os-cobalt);
  border-radius: 0 var(--os-radius-sm) var(--os-radius-sm) 0;
  background: var(--os-paper-2);
}
.opener-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  color: var(--os-paper-muted);
  font-size: 12px;
  margin-bottom: 10px;
}
.opener-badge {
  padding: 3px 8px;
  border: 1px solid var(--os-paper-line);
  border-radius: 4px;
  background: var(--os-white);
  color: var(--os-paper-ink);
  font: 600 10px/1.4 var(--os-font-sans);
}
.opener-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--os-paper-ink);
}
.business-facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.fact-box {
  border: 1px solid var(--os-paper-line);
  border-radius: var(--os-radius-sm);
  background: var(--os-paper-2);
  padding: 20px;
}
.fact-lbl {
  display: block;
  margin-bottom: 10px;
  font: 600 10px/1.5 var(--os-font-sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--os-paper-muted);
}
.fact-val {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--os-paper-ink);
}
.fact-sub {
  display: block;
  font-size: 12px;
  margin-top: 6px;
  color: var(--os-paper-muted);
}
.social-summary-box {
  border-left: 3px solid var(--os-cobalt);
  background: var(--os-paper-2);
  border-radius: 0 var(--os-radius-sm) var(--os-radius-sm) 0;
  padding: 18px 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--os-paper-ink);
}
.social-summary-box p + p { margin-top: 14px; }
.dossier-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 20px 28px;
  background: var(--os-ink-2);
  color: var(--os-text);
  border-top: 1px solid var(--os-line-strong);
}

/* Pricing Architecture */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 24px;
  border: 1px solid var(--os-line-strong);
  border-radius: var(--os-radius-lg);
  background: rgba(17, 25, 44, 0.65);
  box-shadow: var(--os-shadow-elevated);
  transition:
    translate var(--os-duration-base) var(--os-ease-out),
    border-color var(--os-duration-base) var(--os-ease-out);
}
.pricing-card:hover {
  translate: 0 -4px;
  border-color: rgba(56, 189, 248, 0.38);
}
.pricing-card.featured {
  background: linear-gradient(165deg, rgba(24, 35, 62, 0.94) 0%, rgba(11, 16, 29, 0.96) 100%);
  border-color: rgba(14, 165, 233, 0.55);
  box-shadow: 0 24px 52px -18px rgba(14, 165, 233, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.popular-ribbon {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.16);
  border: 1px solid rgba(14, 165, 233, 0.45);
  color: #ff856d;
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.plan-tier-name {
  display: block;
  margin-bottom: 14px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--os-text);
}
.plan-price {
  margin-bottom: 14px;
  font-family: var(--os-font-sans);
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--os-white);
}
.plan-price span {
  display: block;
  margin-top: 6px;
  font-family: var(--os-font-sans);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--os-text-2);
  font-weight: 400;
}
.plan-desc {
  min-height: 60px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--os-text-2);
}
.plan-perks {
  list-style: none;
  padding: 18px 0 24px;
  margin-top: 18px;
  border-top: 1px solid var(--os-line-strong);
  font-size: 13px;
  line-height: 1.6;
  color: var(--os-text-2);
  flex: 1;
}
.plan-perks li { margin-bottom: 10px; }
.plan-perks strong { color: var(--os-text); font-weight: 600; }

.reanimation-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(17, 25, 44, 0.85) 0%, rgba(30, 43, 69, 0.65) 100%);
  border: 1px solid var(--os-line-strong);
  border-radius: var(--os-radius-lg);
  box-shadow: var(--os-shadow-elevated);
}
.badge-amber {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--os-amber);
  font-family: var(--os-font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.reanimation-left { max-width: 760px; }
.reanimation-left h3 { font-size: 22px; margin-bottom: 10px; }
.reanimation-left p { font-size: 14px; line-height: 1.7; color: var(--os-text-2); }
.reanimation-right { flex-shrink: 0; }

/* ROI Calculator */
.roi-calc {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: stretch;
  border: 1px solid var(--os-line-strong);
  border-radius: var(--os-radius-lg);
  background: rgba(17, 25, 44, 0.65);
  overflow: hidden;
  box-shadow: var(--os-shadow);
}
.calc-inputs { padding: clamp(24px, 4vw, 44px); }
.calc-inputs label {
  display: block;
  font-size: 13px;
  color: var(--os-text-2);
}
.calc-inputs label + label { margin-top: 28px; }
.calc-inputs strong {
  display: block;
  font-family: var(--os-font-sans);
  color: var(--os-text);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 6px;
}
.calc-inputs input[type="range"] {
  width: 100%;
  height: 24px;
  margin: 10px 0 0;
  accent-color: var(--os-cobalt);
  cursor: pointer;
}
.calc-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(155deg, rgba(30, 43, 69, 0.78) 0%, rgba(11, 16, 29, 0.95) 100%);
  border-left: 1px solid var(--os-line-strong);
  color: var(--os-text);
}
.calc-res-label {
  font-family: var(--os-font-sans);
  font-size: 12px;
  color: var(--os-cyan);
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-transform: uppercase;
}
.calc-res-num {
  margin: 18px 0 16px;
  font-family: var(--os-font-sans);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--os-green-bright);
}
.calc-res-sub {
  font-size: 13px;
  color: var(--os-text-2);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* FAQ Accordion */
#faq > .wrap {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(32px, 5vw, 68px);
}
#faq .section-head { margin-bottom: 0; }
.faq-accordion { border-top: 1px solid var(--os-line-strong); }
.faq-item { border-bottom: 1px solid var(--os-line-strong); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
  transition: color var(--os-duration-fast) var(--os-ease-out);
}
.faq-item summary:hover { color: var(--os-cyan); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: 0 0 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(17, 25, 44, 0.8);
  border: 1px solid var(--os-line-strong);
  font-family: var(--os-font-sans);
  color: var(--os-cyan);
  transition: transform var(--os-duration-base) var(--os-ease-out),
              background-color var(--os-duration-base) var(--os-ease-out);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: rgba(56, 189, 248, 0.15);
}
.faq-body {
  padding: 0 24px 22px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--os-text-2);
}

/* Final CTA & Footer */
.final-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 8vw, 104px) 0;
  background:
    radial-gradient(circle at 80% 50%, rgba(14, 165, 233, 0.12) 0%, transparent 50%),
    var(--os-ink-2);
  border-top: 1px solid var(--os-line-strong);
}
.final-cta-inner { position: relative; z-index: 1; }
.final-cta h2 {
  max-width: 780px;
  font-size: clamp(30px, 3.8vw, 48px);
}
.final-cta p.lead { margin: 20px 0 28px; }
.final-cta-btns { display: flex; flex-wrap: wrap; gap: 14px; }

.footer {
  border-top: 1px solid var(--os-line-strong);
  background: var(--os-ink);
  color: var(--os-text-3);
  padding: 56px 0 44px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.95fr 1fr;
  gap: 44px;
}
.footer-tagline {
  max-width: 320px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--os-text-2);
  margin: 20px 0 18px;
}
.footer-copy { font-size: 12px; }
.footer-col h4 {
  font-family: var(--os-font-sans);
  color: var(--os-text);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.footer-col ul {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}
.footer-col a {
  color: var(--os-text-2);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--os-duration-fast) var(--os-ease-out);
}
.footer-col a:hover { color: var(--os-cyan); }
.footer-note {
  display: block;
  font-size: 12px;
  line-height: 1.65;
  color: var(--os-text-3);
}

/* Compositor-Only Progressive Scroll Reveal (Zero Flicker) */
.reveal {
  opacity: 1;
  translate: 0 0;
}
html.js-ready .reveal:not(.is-visible) {
  opacity: 0;
  translate: 0 18px;
}
html.js-ready .reveal {
  transition:
    opacity 540ms var(--os-ease-out),
    translate 540ms var(--os-ease-out);
  will-change: opacity, translate;
}
html.js-ready .reveal.is-visible {
  opacity: 1;
  translate: 0 0;
  will-change: auto;
}

/* Responsive Breakpoints */
@media (max-width: 1240px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .nav-burger { display: block; }
  .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }
  .hero-grid-bg {
    inset: 50% 0 0 0;
    border-left: 0;
    border-top: 1px solid var(--os-line);
  }
  .hero-art {
    height: 480px;
    width: min(460px, 100%);
    margin: 0 auto;
  }
  .cards-3,
  .steps-grid,
  .batch-feature-grid,
  .security-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .dossier-cols,
  .roi-calc,
  #faq > .wrap {
    grid-template-columns: minmax(0, 1fr);
  }
  .calc-result {
    border-left: 0;
    border-top: 1px solid var(--os-line-strong);
  }
  .reanimation-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .strip-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .strip-list { justify-content: flex-start; }
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .nav-cta { display: none; }
  .hero-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .pricing-grid,
  .business-facts-grid,
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .dossier-header-grid { flex-direction: column; }
  .dossier-score-badge {
    padding-left: 0;
    border-left: 0;
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .dossier-bottom-bar .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .graph .orbit,
  .graph .orbit-2,
  .graph .wire,
  .graph .pulse {
    animation: none !important;
  }
  html.js-ready .reveal:not(.is-visible) {
    opacity: 1;
    translate: none;
  }
}