@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-latin-wght-normal.woff2") format("woff2-variations");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #070706;
  --ink-raised: #0c0b09;
  --ink-soft: #12100d;
  --text: #f4f1e9;
  --text-soft: #b6b0a5;
  --text-muted: #7d786f;
  --signal: #f3a11d;
  --signal-hot: #ffbe54;
  --signal-deep: #a64b0c;
  --danger: #ff684b;
  --line: rgba(245, 189, 93, 0.17);
  --line-soft: rgba(255, 255, 255, 0.08);
  --header-height: 78px;
  --page: min(92vw, 1480px);
  --section-space: clamp(6.5rem, 10vw, 11rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  color-scheme: dark;
  max-width: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scrollbar-color: var(--signal-deep) var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  max-width: 100%;
  overflow-x: clip;
  background:
    radial-gradient(circle at 82% 5%, rgba(225, 98, 12, 0.08), transparent 28rem),
    radial-gradient(circle at 10% 45%, rgba(143, 59, 7, 0.05), transparent 34rem),
    var(--ink);
  color: var(--text);
  font-family: "Manrope", "Segoe UI Variable", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--signal);
  color: #100904;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

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

h1,
h2,
h3,
p,
figure,
blockquote,
ol,
ul,
dl,
dd {
  margin: 0;
}

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

button {
  border: 0;
  background: none;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--signal-hot);
  outline-offset: 4px;
}

.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;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  transform: translateY(-180%);
  padding: 0.7rem 1rem;
  background: var(--signal-hot);
  color: #120a03;
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
  padding: 0.75rem max(4vw, calc((100vw - 1480px) / 2));
  border-bottom: 1px solid transparent;
  transition: min-height 300ms var(--ease), background 300ms ease, border-color 300ms ease, backdrop-filter 300ms ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 7, 6, 0.86), rgba(7, 7, 6, 0.26) 72%, transparent);
  pointer-events: none;
}

.site-header.is-scrolled {
  min-height: 64px;
  border-color: var(--line-soft);
  background: rgba(7, 7, 6, 0.76);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
}

.site-header.is-scrolled::before {
  opacity: 0;
}

.identity {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  min-width: max-content;
}

.identity img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(243, 161, 29, 0.2));
}

.identity__wordmark {
  display: grid;
  line-height: 1;
}

.identity__wordmark strong {
  font-size: 1rem;
  letter-spacing: 0.2em;
}

.identity__wordmark span {
  margin-top: 0.34rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.5rem);
}

.site-nav a {
  position: relative;
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--signal);
  transition: transform 280ms var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-entry,
.entry-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.3rem;
  border-left: 1px solid var(--signal);
  padding: 0.56rem 0 0.56rem 1rem;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.header-entry svg,
.entry-action svg {
  width: 1.1rem;
  fill: none;
  stroke: var(--signal-hot);
  stroke-width: 1.5;
  transition: transform 240ms var(--ease);
}

.header-entry:hover svg,
.entry-action:hover svg {
  transform: translateX(0.35rem);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-content: center;
  padding: calc(var(--header-height) + 4rem) max(4vw, calc((100vw - 1480px) / 2)) 5rem;
  isolation: isolate;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.hero::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 9vw 100%,
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px) 0 0 / 100% 9vw;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 88%);
  mask-image: linear-gradient(to bottom, black, transparent 88%);
  opacity: 0.52;
}

.hero::after {
  right: -9rem;
  top: 14%;
  width: 44rem;
  height: 44rem;
  border: 1px solid rgba(243, 161, 29, 0.055);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(243, 161, 29, 0.018), 0 0 0 11rem rgba(243, 161, 29, 0.012);
}

.hero__grid {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr);
  gap: clamp(2rem, 4vw, 6rem);
  align-items: center;
}

.hero__copy {
  position: relative;
  z-index: 3;
  padding-top: 1.2rem;
}

.eyebrow,
.panel-state,
.note-signal {
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow > span {
  display: inline-block;
  margin-right: 0.9rem;
  padding-right: 0.9rem;
  border-right: 1px solid var(--line);
  color: var(--text);
}

.hero h1 {
  margin-top: 1.7rem;
  font-size: clamp(3.7rem, 6.25vw, 7.2rem);
  font-weight: 360;
  letter-spacing: -0.064em;
  line-height: 0.91;
}

.hero h1 span {
  display: block;
}

.hero h1 span:nth-child(2) {
  color: #d8d1c5;
}

.hero h1 span:nth-child(3) {
  color: var(--signal-hot);
}

.hero__lead {
  max-width: 42rem;
  margin-top: 2rem;
  color: var(--text-soft);
  font-size: clamp(1.04rem, 1.35vw, 1.32rem);
  line-height: 1.65;
}

.hero__outcome {
  margin-top: 0.75rem;
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 650;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.4rem;
  margin-top: 2.5rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  padding: 0.5rem 0 0.72rem;
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease;
}

.text-link span {
  color: var(--signal);
  font-size: 1rem;
  transition: transform 240ms var(--ease);
}

.text-link:hover {
  border-color: var(--signal);
  color: var(--text);
}

.text-link:hover span {
  transform: translate(0.25rem, 0.15rem);
}

.text-link--primary {
  color: var(--text);
}

.hero-system {
  position: relative;
  min-height: min(68vh, 690px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at center, rgba(236, 123, 15, 0.11), transparent 31%),
    linear-gradient(90deg, transparent 49.9%, rgba(243, 161, 29, 0.08) 50%, transparent 50.1%);
}

.hero-system::before,
.hero-system::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-system::before {
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.11) 0.7px, transparent 0.9px);
  background-size: 19px 19px;
  -webkit-mask-image: radial-gradient(circle at center, black 8%, transparent 70%);
  mask-image: radial-gradient(circle at center, black 8%, transparent 70%);
  opacity: 0.45;
}

.hero-system::after {
  inset: 9% 8%;
  border: 1px solid rgba(243, 161, 29, 0.08);
  clip-path: polygon(0 0, 26% 0, 26% 1px, 74% 1px, 74% 0, 100% 0, 100% 100%, 74% 100%, 74% calc(100% - 1px), 26% calc(100% - 1px), 26% 100%, 0 100%);
}

#control-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.system-label {
  position: absolute;
  top: 4.3%;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.system-label::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  margin: 0 0.55rem 0.2rem 0;
  background: var(--signal-deep);
}

.system-label--input {
  left: 4%;
}

.system-label--output {
  right: 4%;
}

.system-node {
  position: absolute;
  min-width: 5.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
  padding: 0.4rem 0.52rem;
  color: #aaa399;
  background: linear-gradient(90deg, rgba(255,255,255,0.025), transparent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.59rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 240ms ease, border-color 240ms ease, background 240ms ease;
}

.system-node.is-pulsing {
  border-color: var(--signal-hot);
  color: var(--text);
  background: linear-gradient(90deg, rgba(243,161,29,0.12), transparent);
}

.system-node--website { left: 3%; top: 15%; }
.system-node--apps { left: 9%; top: 28%; }
.system-node--email { left: 2%; top: 42%; }
.system-node--people { left: 8%; top: 58%; }
.system-node--devices { left: 2%; top: 72%; }
.system-node--platforms { left: 9%; top: 85%; }
.system-node--requests { right: 8%; top: 15%; }
.system-node--workflow { right: 2%; top: 28%; }
.system-node--approval { right: 9%; top: 42%; }
.system-node--evidence { right: 2%; top: 58%; }
.system-node--alerts { right: 9%; top: 72%; }
.system-node--visibility { right: 2%; top: 85%; }

.system-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9rem;
  height: 9rem;
  transform: translate(-50%, -50%);
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(255, 190, 84, 0.52);
  background: radial-gradient(circle, rgba(243,161,29,0.15), rgba(8,7,5,0.92) 62%);
  box-shadow: inset 0 0 2rem rgba(243,161,29,0.08), 0 0 4rem rgba(194,79,6,0.13);
  clip-path: polygon(50% 0, 92% 24%, 92% 76%, 50% 100%, 8% 76%, 8% 24%);
}

.system-core::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 190, 84, 0.18);
  clip-path: inherit;
}

.system-core strong {
  font-size: 0.9rem;
  letter-spacing: 0.2em;
}

.system-core small {
  margin-top: 0.25rem;
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.51rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-core__orbit {
  position: absolute;
  inset: -1.25rem;
  border: 1px solid rgba(243,161,29,0.18);
  border-radius: 50%;
  border-right-color: transparent;
  animation: orbit 14s linear infinite;
}

.system-core__orbit--outer {
  inset: -3.4rem;
  border-color: rgba(255,255,255,0.07) transparent rgba(243,161,29,0.13) rgba(255,255,255,0.03);
  animation-duration: 24s;
  animation-direction: reverse;
}

@keyframes orbit {
  to { transform: rotate(360deg); }
}

.hero__scope {
  position: absolute;
  left: max(4vw, calc((100vw - 1480px) / 2));
  right: max(4vw, calc((100vw - 1480px) / 2));
  bottom: 1.1rem;
  display: flex;
  justify-content: flex-end;
  gap: clamp(1rem, 3vw, 3.5rem);
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scope span::before {
  content: "";
  display: inline-block;
  width: 0.28rem;
  height: 0.28rem;
  margin: 0 0.55rem 0.1rem 0;
  border: 1px solid var(--signal-deep);
  transform: rotate(45deg);
}

.scroll-cue {
  position: absolute;
  left: max(4vw, calc((100vw - 1480px) / 2));
  bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-cue i {
  position: relative;
  width: 2.4rem;
  height: 1px;
  overflow: hidden;
  background: var(--line-soft);
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: var(--signal);
  animation: cue 2.4s var(--ease) infinite;
}

@keyframes cue {
  55%, 100% { transform: translateX(100%); }
}

.section-heading {
  width: var(--page);
  max-width: 82rem;
  margin: 0 auto;
}

.section-heading h2,
.capabilities-intro h2,
.founder-copy h2,
.integration-copy h2,
.security-heading h2,
.entry-copy h2 {
  margin-top: 1.2rem;
  font-size: clamp(2.8rem, 5.4vw, 6.4rem);
  font-weight: 360;
  letter-spacing: -0.058em;
  line-height: 0.98;
}

.section-heading h2 span,
.founder-copy h2 span,
.integration-copy h2 span,
.security-heading h2 span,
.entry-copy h2 span {
  color: var(--text-muted);
}

.section-heading > p:last-child,
.capabilities-intro > p:last-child,
.integration-copy > p,
.founder-copy > p {
  max-width: 49rem;
  margin-top: 1.7rem;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  line-height: 1.75;
}

.problem-sequence {
  position: relative;
  padding: var(--section-space) max(4vw, calc((100vw - 1480px) / 2));
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 88, 54, 0.045), transparent 31rem),
    linear-gradient(180deg, #080706, #0b0806 50%, #070706);
}

.section-heading--problem h2 span {
  color: var(--danger);
}

.problem-scroll {
  width: var(--page);
  margin: clamp(5rem, 8vw, 9rem) auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: clamp(3rem, 6vw, 8rem);
  align-items: start;
}

.problem-visual {
  position: sticky;
  top: calc(var(--header-height) + 9vh);
  min-height: 62vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border-top: 1px solid rgba(255, 104, 75, 0.34);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px) 0 0 / 12.5% 100%,
    linear-gradient(180deg, rgba(17,11,8,0.97), rgba(7,7,6,0.98));
}

.problem-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 40%, rgba(255,104,75,0.035), transparent 58%);
  transform: translateX(-100%);
  animation: diagnostic-scan 7s linear infinite;
}

@keyframes diagnostic-scan {
  to { transform: translateX(100%); }
}

.trace-status,
.trace-alert {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid var(--line-soft);
}

.trace-status span,
.trace-alert span {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.trace-status strong,
.trace-alert strong {
  max-width: 70%;
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 520;
  text-align: right;
}

.trace-alert {
  border-top: 1px solid rgba(255,104,75,0.2);
  border-bottom: 0;
  background: rgba(255,104,75,0.035);
}

.trace-alert strong {
  color: var(--danger);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.failure-trace {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: center;
  min-height: 19rem;
  padding: 2rem 1.5rem;
}

.trace-node {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: grid;
  justify-items: center;
  text-align: center;
  color: #716b63;
  transition: color 350ms ease, opacity 350ms ease;
}

.trace-node::after {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: calc(50% + 0.5rem);
  z-index: -1;
  width: calc(100% - 1rem);
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.11) 0 6px, transparent 6px 11px);
  transition: background 350ms ease, box-shadow 350ms ease;
}

.trace-node:last-child::after {
  display: none;
}

.trace-node i {
  width: 0.9rem;
  height: 0.9rem;
  margin-bottom: 1rem;
  border: 1px solid currentColor;
  background: var(--ink);
  transform: rotate(45deg);
  transition: background 350ms ease, box-shadow 350ms ease, transform 350ms var(--ease);
}

.trace-node span {
  font-size: 0.78rem;
  font-weight: 680;
}

.trace-node small {
  max-width: 7rem;
  margin-top: 0.34rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.52rem;
  line-height: 1.35;
}

.problem-visual[data-trace-stage="0"] [data-trace-node="entry"],
.problem-visual[data-trace-stage="1"] [data-trace-node="entry"],
.problem-visual[data-trace-stage="1"] [data-trace-node="chat"],
.problem-visual[data-trace-stage="1"] [data-trace-node="sheet"],
.problem-visual[data-trace-stage="2"] [data-trace-node="entry"],
.problem-visual[data-trace-stage="2"] [data-trace-node="chat"],
.problem-visual[data-trace-stage="2"] [data-trace-node="sheet"],
.problem-visual[data-trace-stage="2"] [data-trace-node="approval"],
.problem-visual[data-trace-stage="2"] [data-trace-node="receipt"],
.problem-visual[data-trace-stage="3"] .trace-node {
  color: var(--danger);
}

.problem-visual[data-trace-stage="0"] [data-trace-node="entry"] i,
.problem-visual[data-trace-stage="1"] [data-trace-node="entry"] i,
.problem-visual[data-trace-stage="1"] [data-trace-node="chat"] i,
.problem-visual[data-trace-stage="1"] [data-trace-node="sheet"] i,
.problem-visual[data-trace-stage="2"] [data-trace-node="entry"] i,
.problem-visual[data-trace-stage="2"] [data-trace-node="chat"] i,
.problem-visual[data-trace-stage="2"] [data-trace-node="sheet"] i,
.problem-visual[data-trace-stage="2"] [data-trace-node="approval"] i,
.problem-visual[data-trace-stage="2"] [data-trace-node="receipt"] i,
.problem-visual[data-trace-stage="3"] .trace-node i {
  background: var(--danger);
  box-shadow: 0 0 1.5rem rgba(255,104,75,0.45);
  transform: rotate(45deg) scale(1.12);
}

.problem-visual[data-trace-stage="1"] [data-trace-node="chat"]::after,
.problem-visual[data-trace-stage="2"] [data-trace-node="approval"]::after,
.problem-visual[data-trace-stage="3"] [data-trace-node="chat"]::after,
.problem-visual[data-trace-stage="3"] [data-trace-node="approval"]::after {
  background: repeating-linear-gradient(90deg, rgba(255,104,75,0.75) 0 5px, transparent 5px 12px);
  box-shadow: 0 0 0.8rem rgba(255,104,75,0.2);
}

.problem-notes {
  padding-bottom: 12vh;
}

.problem-note {
  min-height: 70vh;
  display: grid;
  align-content: center;
  opacity: 0.24;
  transform: translateY(1rem);
  transition: opacity 450ms ease, transform 450ms var(--ease);
}

.problem-note.is-active {
  opacity: 1;
  transform: translateY(0);
}

.problem-note h3 {
  margin-top: 1rem;
  font-size: clamp(1.7rem, 2.7vw, 3.15rem);
  font-weight: 430;
  letter-spacing: -0.04em;
  line-height: 1.13;
}

.problem-note > p:last-child {
  margin-top: 1.25rem;
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.75;
}

.problem-resolution {
  width: var(--page);
  max-width: 70rem;
  margin: 2rem auto 0;
  padding: 2.4rem 0 0 4rem;
  border-top: 1px solid var(--line-soft);
  color: var(--text-muted);
  font-size: clamp(1.45rem, 2.6vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.problem-resolution::before {
  content: "";
  position: absolute;
}

.problem-resolution strong {
  color: var(--text);
  font-weight: 520;
}

.control-section,
.capabilities-section,
.operations-section,
.integration-section,
.physical-section,
.security-section,
.method-section,
.entry-section {
  position: relative;
  padding: var(--section-space) max(4vw, calc((100vw - 1480px) / 2));
}

.control-section {
  overflow: hidden;
}

.control-section::before {
  content: "";
  position: absolute;
  top: 5%;
  right: -20rem;
  width: 50rem;
  height: 50rem;
  border: 1px solid rgba(243,161,29,0.045);
  border-radius: 50%;
  box-shadow: 0 0 0 8rem rgba(243,161,29,0.012), 0 0 0 17rem rgba(243,161,29,0.008);
}

.control-architecture {
  position: relative;
  width: var(--page);
  min-height: 39rem;
  margin: clamp(4rem, 7vw, 7rem) auto 0;
  display: grid;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 0.62fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(110deg, rgba(255,255,255,0.018), transparent 42%);
}

.architecture-rail {
  display: grid;
  align-content: center;
  border-right: 1px solid var(--line-soft);
}

.architecture-tab {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--line-soft);
  padding: 1.35rem 1.8rem;
  text-align: left;
  cursor: pointer;
  transition: background 240ms ease, color 240ms ease;
}

.architecture-tab:last-child {
  border-bottom: 0;
}

.architecture-tab::before {
  content: "";
  position: absolute;
  top: 0;
  right: -1px;
  width: 2px;
  height: 100%;
  transform: scaleY(0);
  background: var(--signal);
  transition: transform 350ms var(--ease);
}

.architecture-tab span {
  color: var(--text-soft);
  font-size: 0.98rem;
  font-weight: 650;
}

.architecture-tab small {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-tab:hover,
.architecture-tab.is-active {
  background: linear-gradient(90deg, rgba(243,161,29,0.055), transparent);
}

.architecture-tab.is-active::before {
  transform: scaleY(1);
}

.architecture-tab.is-active span {
  color: var(--text);
}

.architecture-stage {
  position: relative;
  min-width: 0;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(2.5rem, 5vw, 6rem);
}

.architecture-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px) 0 0 / 12% 100%,
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px) 0 0 / 100% 20%;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
  mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.architecture-panel,
.capability-panel {
  position: relative;
  z-index: 2;
  max-width: 49rem;
}

.architecture-panel h3,
.capability-panel h3 {
  margin-top: 1rem;
  font-size: clamp(2rem, 4vw, 4.6rem);
  font-weight: 390;
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.architecture-panel > p:nth-of-type(2),
.capability-panel > p:nth-of-type(2) {
  max-width: 44rem;
  margin-top: 1.4rem;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.architecture-panel ul,
.capability-panel ul {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.architecture-panel li,
.capability-panel li {
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.03em;
}

.architecture-panel li::before,
.capability-panel li::before {
  content: "+";
  margin-right: 0.7rem;
  color: var(--signal);
}

.architecture-panel[hidden],
.capability-panel[hidden],
.operation-panel[hidden] {
  display: none;
}

.architecture-panel.is-entering,
.capability-panel.is-entering,
.operation-panel.is-entering {
  animation: panel-enter 450ms var(--ease) both;
}

@keyframes panel-enter {
  from { opacity: 0; transform: translateY(1.1rem); filter: blur(6px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.architecture-signal {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(243,161,29,0.09), transparent);
}

.architecture-signal i {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-hot);
  box-shadow: 0 0 1rem var(--signal);
  animation: signal-run 4.5s linear infinite;
}

.architecture-signal i:nth-child(2) { animation-delay: -1.5s; }
.architecture-signal i:nth-child(3) { animation-delay: -3s; }

@keyframes signal-run {
  from { transform: translateX(0); opacity: 0; }
  10%, 88% { opacity: 1; }
  to { transform: translateX(70vw); opacity: 0; }
}

.capabilities-section {
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, #080706, #0b0a08 56%, #070706);
}

.capabilities-intro,
.capability-console {
  width: var(--page);
  margin-inline: auto;
}

.capabilities-intro {
  max-width: 75rem;
  margin-left: max(0px, calc((100% - min(92vw, 1480px)) / 2));
}

.capability-console {
  min-height: 46rem;
  margin-top: clamp(4rem, 7vw, 7rem);
  display: grid;
  grid-template-columns: minmax(320px, 0.39fr) minmax(0, 0.61fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.capability-selector {
  display: grid;
  align-content: stretch;
  border-right: 1px solid var(--line-soft);
}

.capability-tab {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line-soft);
  padding: 1.15rem 1.5rem;
  color: var(--text-muted);
  text-align: left;
  cursor: pointer;
  transition: color 200ms ease, padding-left 300ms var(--ease), background 200ms ease;
}

.capability-tab:last-child {
  border-bottom: 0;
}

.capability-tab span {
  font-size: clamp(0.88rem, 1.1vw, 1.04rem);
  font-weight: 590;
}

.capability-tab i {
  width: 1.5rem;
  height: 1px;
  transform: scaleX(0.28);
  transform-origin: right;
  background: var(--signal);
  transition: transform 300ms var(--ease);
}

.capability-tab:hover,
.capability-tab.is-active {
  padding-left: 2rem;
  color: var(--text);
  background: linear-gradient(90deg, rgba(243,161,29,0.06), transparent);
}

.capability-tab.is-active i {
  transform: scaleX(1);
}

.capability-display {
  position: relative;
  min-width: 0;
  display: grid;
  align-items: center;
  padding: clamp(2.7rem, 6vw, 7rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 20%, rgba(243,161,29,0.075), transparent 24rem),
    linear-gradient(130deg, rgba(255,255,255,0.018), transparent 42%);
}

.capability-display::before {
  content: "";
  position: absolute;
  right: -12rem;
  bottom: -15rem;
  width: 34rem;
  height: 34rem;
  border: 1px solid rgba(243,161,29,0.1);
  transform: rotate(45deg);
  box-shadow: inset 0 0 8rem rgba(243,161,29,0.015), 0 0 0 4rem rgba(243,161,29,0.012), 0 0 0 9rem rgba(243,161,29,0.008);
}

.capability-display__axis {
  position: absolute;
  top: 1.4rem;
  left: 1.4rem;
  right: 1.4rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.capability-display__axis i {
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), var(--signal-deep), var(--line-soft));
}

.founder-standard {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.07fr) minmax(400px, 0.93fr);
  align-items: stretch;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: #090807;
}

.founder-visual {
  position: relative;
  min-height: min(72vw, 760px);
  overflow: hidden;
  border-right: 1px solid var(--line-soft);
}

.founder-visual::before,
.founder-visual::after {
  content: "";
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.founder-visual::before {
  inset: 0;
  background: linear-gradient(90deg, transparent 45%, rgba(7,7,6,0.05) 70%, rgba(7,7,6,0.5)), linear-gradient(0deg, rgba(7,7,6,0.65), transparent 32%);
}

.founder-visual::after {
  top: 0;
  bottom: 0;
  left: 18%;
  width: 1px;
  background: linear-gradient(transparent, rgba(243,161,29,0.45) 30%, rgba(243,161,29,0.45) 70%, transparent);
  box-shadow: 18vw 0 0 rgba(255,255,255,0.04), 36vw 0 0 rgba(255,255,255,0.025);
}

.founder-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) contrast(1.05);
  transition: transform 1.1s var(--ease), filter 500ms ease;
}

.founder-standard:hover .founder-visual img {
  transform: scale(1.018);
  filter: saturate(0.92) contrast(1.04);
}

.founder-visual figcaption {
  position: absolute;
  left: clamp(1.5rem, 4vw, 4rem);
  bottom: clamp(1.5rem, 4vw, 4rem);
  z-index: 3;
  display: grid;
}

.founder-visual figcaption span {
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.founder-visual figcaption strong {
  margin-top: 0.45rem;
  font-size: 1.2rem;
  font-weight: 620;
}

.founder-copy {
  display: grid;
  align-content: center;
  padding: clamp(4rem, 8vw, 9rem) clamp(2.5rem, 6vw, 7rem);
}

.founder-copy h2 {
  font-size: clamp(2.7rem, 4.8vw, 5.7rem);
}

.founder-copy blockquote {
  position: relative;
  max-width: 42rem;
  margin-top: 2.4rem;
  padding: 1.8rem 0 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: clamp(1.15rem, 1.8vw, 1.75rem);
  font-weight: 380;
  letter-spacing: -0.025em;
  line-height: 1.55;
}

.founder-copy blockquote::before {
  content: "";
  position: absolute;
  top: 1.9rem;
  bottom: 0.25rem;
  left: 0;
  width: 1px;
  background: var(--signal);
}

.founder-principle {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.founder-principle i {
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), var(--signal), var(--line-soft));
}

.operations-section {
  background: linear-gradient(180deg, #070706, #0b0907 55%, #070706);
}

.operation-selector {
  width: var(--page);
  margin: clamp(3.5rem, 6vw, 6rem) auto 0;
  contain: inline-size layout paint;
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: thin;
}

.operation-tab {
  flex: 1 0 auto;
  min-width: 12rem;
  border-right: 1px solid var(--line-soft);
  padding: 1.15rem 1.3rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.59rem;
  letter-spacing: 0.055em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 220ms ease, background 220ms ease;
}

.operation-tab:hover,
.operation-tab.is-active {
  color: var(--text);
  background: linear-gradient(180deg, rgba(243,161,29,0.08), transparent);
}

.operation-tab.is-active {
  box-shadow: inset 0 2px 0 var(--signal);
}

.operation-stage {
  width: var(--page);
  margin: 0 auto;
}

.operation-panel {
  min-height: 39rem;
  display: grid;
  grid-template-columns: minmax(300px, 0.42fr) minmax(0, 0.58fr);
  align-items: center;
  gap: clamp(3rem, 6vw, 8rem);
  padding: clamp(3.5rem, 6vw, 7rem) 0;
}

.operation-panel__copy h3 {
  margin-top: 1rem;
  font-size: clamp(2rem, 3.6vw, 4.25rem);
  font-weight: 390;
  letter-spacing: -0.05em;
  line-height: 1.06;
}

.operation-panel__copy > p:last-child {
  margin-top: 1.4rem;
  color: var(--text-soft);
  line-height: 1.75;
}

.operation-flow {
  position: relative;
  display: grid;
}

.operation-flow::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.48rem;
  width: 1px;
  background: linear-gradient(var(--signal-deep), var(--line-soft));
}

.operation-flow li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1.15rem 0 1.15rem 2.2rem;
  border-bottom: 1px solid var(--line-soft);
}

.operation-flow li::before {
  content: "";
  position: absolute;
  top: 1.65rem;
  left: 0.25rem;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--signal);
  background: var(--ink);
  transform: rotate(45deg);
}

.operation-flow li:first-child::before {
  background: var(--signal);
  box-shadow: 0 0 1rem rgba(243,161,29,0.32);
}

.operation-flow span {
  font-size: 0.96rem;
  font-weight: 620;
}

.operation-flow small {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.55rem;
  letter-spacing: 0.04em;
  text-align: right;
  text-transform: uppercase;
}

.integration-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: clamp(3rem, 7vw, 9rem);
  align-items: center;
  border-top: 1px solid var(--line-soft);
}

.integration-copy {
  align-self: center;
}

.integration-copy h2 {
  font-size: clamp(2.7rem, 4.9vw, 5.8rem);
}

.integration-copy .integration-truth {
  margin-top: 1.5rem;
  padding: 1.3rem 0 0 1.4rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--signal-deep);
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.025em;
  line-height: 1.7;
}

.boundary-system {
  position: relative;
  min-height: 34rem;
  display: grid;
  grid-template-columns: 1fr 5rem 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(243,161,29,0.035), transparent 45%, transparent 55%, rgba(255,255,255,0.018)),
    repeating-linear-gradient(0deg, transparent 0 49px, rgba(255,255,255,0.025) 50px);
}

.boundary-side {
  display: grid;
  align-content: center;
  gap: 1.3rem;
  padding: 2rem;
}

.boundary-side > span {
  margin-bottom: 1rem;
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.boundary-side strong {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 520;
}

.boundary-side--outside strong {
  color: var(--text-muted);
}

.boundary-gate {
  position: relative;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
  overflow: hidden;
}

.boundary-gate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(transparent, var(--signal) 35%, var(--signal) 65%, transparent);
  box-shadow: 0 0 2rem rgba(243,161,29,0.28);
}

.boundary-gate span {
  position: relative;
  z-index: 2;
  width: max-content;
  padding: 0.65rem 0.8rem;
  background: var(--ink);
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.48rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.boundary-gate i,
.boundary-gate b {
  position: absolute;
  top: 25%;
  left: -0.18rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--signal-hot);
  box-shadow: 0 0 1rem var(--signal);
  animation: gate-cross 4.8s var(--ease) infinite;
}

.boundary-gate b {
  top: 72%;
  animation-delay: -2.4s;
}

@keyframes gate-cross {
  0% { transform: translateX(0); opacity: 0; }
  20% { opacity: 1; }
  48% { transform: translateX(2.25rem); }
  55% { transform: translateX(2.25rem); opacity: 1; }
  100% { transform: translateX(5.2rem); opacity: 0; }
}

.connection-examples {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.connection-examples p {
  padding: 1.5rem;
  border-right: 1px solid var(--line-soft);
  color: var(--text-muted);
  font-size: 0.77rem;
  line-height: 1.65;
}

.connection-examples p:last-child {
  border-right: 0;
}

.connection-examples span {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.physical-section {
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, #090807, #070706);
}

.device-bus {
  position: relative;
  width: var(--page);
  margin: clamp(4rem, 7vw, 7rem) auto 0;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.device-bus__line {
  position: absolute;
  top: 4rem;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), var(--signal-deep), var(--line-soft));
}

.device-bus__line i {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-hot);
  box-shadow: 0 0 1rem var(--signal);
  animation: bus-run 6s linear infinite;
}

@keyframes bus-run {
  to { transform: translateX(76vw); }
}

.device-group {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0;
  border-right: 1px solid var(--line-soft);
  padding: 6rem 2rem 2rem;
}

.device-group:last-child {
  border-right: 0;
}

.device-group > span {
  position: absolute;
  top: 1.2rem;
  left: 2rem;
  color: var(--signal-hot);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.device-group strong {
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 520;
}

.security-section {
  overflow: hidden;
}

.security-heading,
.control-register {
  width: var(--page);
  margin-inline: auto;
}

.control-register {
  position: relative;
  margin-top: clamp(4rem, 7vw, 7rem);
  overflow: hidden;
  border-top: 1px solid var(--signal-deep);
  border-bottom: 1px solid var(--line-soft);
}

.register-head,
.control-register article {
  display: grid;
  grid-template-columns: 0.22fr 0.48fr 0.3fr;
  gap: 2rem;
  align-items: center;
  border-bottom: 1px solid var(--line-soft);
  padding: 1.25rem 1.5rem;
}

.register-head {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.control-register article {
  min-height: 6.2rem;
  transition: background 220ms ease;
}

.control-register article:hover {
  background: linear-gradient(90deg, rgba(243,161,29,0.05), transparent 72%);
}

.control-register h3 {
  font-size: 1rem;
  font-weight: 650;
}

.control-register p {
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.control-register strong {
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.register-scan {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  box-shadow: 0 0 1rem rgba(243,161,29,0.22);
  animation: register-scan 8s linear infinite;
}

@keyframes register-scan {
  to { transform: translateY(44rem); }
}

.method-section {
  border-top: 1px solid var(--line-soft);
  background: #090807;
}

.method-line {
  position: relative;
  width: var(--page);
  margin: clamp(4rem, 7vw, 7rem) auto 0;
  contain: inline-size layout paint;
  display: grid;
  grid-template-columns: repeat(9, minmax(11.5rem, 1fr));
  overflow-x: auto;
  padding: 0 0 1.5rem;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}

.method-line:focus-visible {
  outline-offset: 0.45rem;
}

.method-line::before,
.method-line::after {
  content: "";
  position: absolute;
  top: 0.46rem;
  left: 0.5rem;
  width: calc(100% - 1rem);
  height: 1px;
}

.method-line::before {
  background: var(--line-soft);
}

.method-line::after {
  width: calc((100% - 1rem) * var(--method-progress, 0));
  background: linear-gradient(90deg, var(--signal), var(--signal-deep));
  box-shadow: 0 0 1rem rgba(243,161,29,0.16);
  transition: width 1.4s var(--ease);
}

.method-line li {
  position: relative;
  min-height: 16rem;
  padding: 2.4rem 1.4rem 1rem 0;
  border-right: 1px solid var(--line-soft);
  scroll-snap-align: start;
}

.method-line li i {
  position: absolute;
  top: 0.18rem;
  left: 0.18rem;
  z-index: 2;
  width: 0.6rem;
  height: 0.6rem;
  border: 1px solid var(--signal-deep);
  background: var(--ink);
  transform: rotate(45deg);
  transition: background 350ms ease, box-shadow 350ms ease;
}

.method-line.is-visible li i {
  animation: method-node 450ms var(--ease) both;
}

.method-line.is-visible li:nth-child(2) i { animation-delay: 120ms; }
.method-line.is-visible li:nth-child(3) i { animation-delay: 240ms; }
.method-line.is-visible li:nth-child(4) i { animation-delay: 360ms; }
.method-line.is-visible li:nth-child(5) i { animation-delay: 480ms; }
.method-line.is-visible li:nth-child(6) i { animation-delay: 600ms; }
.method-line.is-visible li:nth-child(7) i { animation-delay: 720ms; }
.method-line.is-visible li:nth-child(8) i { animation-delay: 840ms; }
.method-line.is-visible li:nth-child(9) i { animation-delay: 960ms; }

@keyframes method-node {
  to { background: var(--signal); box-shadow: 0 0 1rem rgba(243,161,29,0.34); }
}

.method-line h3 {
  font-size: 1rem;
  font-weight: 650;
}

.method-line p {
  max-width: 10rem;
  margin-top: 0.8rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.65;
}

.entry-section {
  min-height: 82svh;
  display: grid;
  place-content: center;
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(243,161,29,0.085), transparent 23rem),
    linear-gradient(180deg, #070706, #090705);
}

.entry-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(78vw, 70rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid rgba(243,161,29,0.06);
  box-shadow: 0 0 0 6rem rgba(243,161,29,0.012), 0 0 0 13rem rgba(243,161,29,0.008);
  pointer-events: none;
}

.entry-copy {
  position: relative;
  z-index: 2;
  width: min(92vw, 72rem);
  margin: 0 auto;
}

.entry-copy h2 {
  font-size: clamp(3.2rem, 7vw, 8rem);
}

.entry-copy > p {
  max-width: 49rem;
  margin: 2rem auto 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.3vw, 1.2rem);
}

.entry-action {
  width: min(100%, 25rem);
  margin: 2.8rem auto 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  border-left: 0;
  padding: 1.25rem 0;
  font-size: 0.72rem;
}

.entry-route {
  position: relative;
  z-index: 2;
  width: var(--page);
  margin: 6rem auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.entry-route i {
  width: clamp(1rem, 3vw, 3rem);
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), var(--signal-deep));
}

.entry-signal {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(243,161,29,0.18), transparent);
}

.entry-signal i {
  position: absolute;
  top: 0;
  left: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-hot);
  box-shadow: 0 0 1rem var(--signal);
  animation: entry-run 5s linear infinite;
}

.entry-signal i:nth-child(2) { animation-delay: -1.66s; }
.entry-signal i:nth-child(3) { animation-delay: -3.33s; }

@keyframes entry-run {
  to { transform: translateY(82vh); }
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding: 3rem max(4vw, calc((100vw - 1480px) / 2));
  border-top: 1px solid var(--line-soft);
  background: #050504;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-brand img {
  width: 44px;
  height: 44px;
}

.footer-brand p {
  display: grid;
}

.footer-brand strong {
  font-size: 0.82rem;
  font-weight: 650;
}

.footer-brand span,
.footer-legal,
.footer-contact span {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.52rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-brand span {
  margin-top: 0.3rem;
}

.footer-contact {
  display: flex;
  gap: 2.5rem;
}

.footer-contact a {
  display: grid;
  color: var(--text-soft);
  font-size: 0.76rem;
}

.footer-contact span {
  margin-bottom: 0.3rem;
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
}

.footer-legal a:hover,
.footer-contact a:hover {
  color: var(--signal-hot);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(1.7rem);
  filter: blur(7px);
  transition: opacity 700ms ease, transform 850ms var(--ease), filter 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@media (max-width: 1240px) {
  :root {
    --page: min(91vw, 1120px);
  }

  .site-nav {
    gap: 1.25rem;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(470px, 1.05fr);
    gap: 2rem;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 6.6vw, 5.7rem);
  }

  .system-node {
    min-width: 4.7rem;
    font-size: 0.52rem;
  }

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

  .connection-examples p:nth-child(2) {
    border-right: 0;
  }

  .connection-examples p:nth-child(-n+2) {
    border-bottom: 1px solid var(--line-soft);
  }
}

@media (max-width: 1020px) {
  :root {
    --header-height: 68px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav,
  .header-entry {
    display: none;
  }

  .menu-toggle {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--text-soft);
    cursor: pointer;
  }

  .menu-toggle__label {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .menu-toggle__lines {
    position: relative;
    width: 1.5rem;
    height: 0.9rem;
  }

  .menu-toggle__lines i {
    position: absolute;
    right: 0;
    width: 100%;
    height: 1px;
    background: var(--signal-hot);
    transition: transform 260ms var(--ease), top 260ms var(--ease);
  }

  .menu-toggle__lines i:first-child { top: 0.2rem; }
  .menu-toggle__lines i:last-child { top: 0.7rem; width: 70%; }

  .site-header.menu-open {
    min-height: 100svh;
    align-content: start;
    grid-template-rows: var(--header-height) 1fr auto;
    background: rgba(7,7,6,0.97);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
  }

  .site-header.menu-open .menu-toggle__lines i:first-child {
    top: 0.45rem;
    transform: rotate(45deg);
  }

  .site-header.menu-open .menu-toggle__lines i:last-child {
    top: 0.45rem;
    width: 100%;
    transform: rotate(-45deg);
  }

  .site-header.menu-open .site-nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    display: grid;
    align-content: center;
    gap: 0;
    padding: 2rem 0;
  }

  .site-header.menu-open .site-nav a {
    border-bottom: 1px solid var(--line-soft);
    padding: 1.15rem 0;
    color: var(--text);
    font-family: "Manrope", sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 430;
    letter-spacing: -0.03em;
    text-transform: none;
  }

  .site-header.menu-open .header-entry {
    grid-column: 1 / -1;
    display: flex;
    margin-bottom: 1.5rem;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line-soft);
    border-left: 0;
    padding: 1rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 5rem);
    padding-bottom: 6rem;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .hero__copy {
    max-width: 50rem;
  }

  .hero h1 {
    font-size: clamp(4rem, 10vw, 7rem);
  }

  .hero-system {
    min-height: 620px;
  }

  .hero__scope,
  .scroll-cue {
    display: none;
  }

  .problem-scroll {
    grid-template-columns: 1fr;
  }

  .problem-visual {
    top: calc(var(--header-height) + 1.5rem);
    min-height: 31rem;
    z-index: 2;
  }

  .problem-note {
    min-height: 55vh;
    padding-inline: 12vw;
  }

  .control-architecture,
  .capability-console {
    grid-template-columns: minmax(250px, 0.35fr) minmax(0, 0.65fr);
  }

  .architecture-stage,
  .capability-display {
    padding: 3.5rem 2.5rem;
  }

  .founder-standard {
    grid-template-columns: 1fr;
  }

  .founder-visual {
    min-height: 64vw;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .founder-copy {
    min-height: 40rem;
  }

  .operation-panel {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .integration-section {
    grid-template-columns: 1fr;
  }

  .boundary-system {
    min-height: 30rem;
  }
}

@media (max-width: 760px) {
  :root {
    --page: 90vw;
    --section-space: 6.5rem;
  }

  body {
    font-size: 15px;
  }

  .site-header {
    padding-inline: 5vw;
  }

  .identity img {
    width: 41px;
    height: 41px;
  }

  .identity__wordmark span {
    display: none;
  }

  .hero {
    padding-inline: 5vw;
  }

  .hero h1 {
    font-size: clamp(3.45rem, 16.4vw, 5.2rem);
  }

  .hero__lead {
    font-size: 1rem;
  }

  .hero__actions {
    display: grid;
    gap: 0.5rem;
  }

  .text-link {
    justify-content: space-between;
  }

  .hero-system {
    min-height: 550px;
  }

  .system-label {
    top: 3%;
  }

  .system-node {
    min-width: 4.1rem;
    padding: 0.32rem 0.38rem;
    font-size: 0.46rem;
  }

  .system-node--website { left: 1%; }
  .system-node--apps { left: 5%; }
  .system-node--email { left: 0; }
  .system-node--people { left: 5%; }
  .system-node--devices { left: 0; }
  .system-node--platforms { left: 5%; }
  .system-node--requests { right: 5%; }
  .system-node--workflow { right: 0; }
  .system-node--approval { right: 5%; }
  .system-node--evidence { right: 0; }
  .system-node--alerts { right: 5%; }
  .system-node--visibility { right: 0; }

  .system-core {
    width: 7.2rem;
    height: 7.2rem;
  }

  .system-core__orbit { inset: -1rem; }
  .system-core__orbit--outer { inset: -2.4rem; }

  .section-heading h2,
  .capabilities-intro h2,
  .founder-copy h2,
  .integration-copy h2,
  .security-heading h2,
  .entry-copy h2 {
    font-size: clamp(2.65rem, 13vw, 4.5rem);
  }

  .section-heading h2 br,
  .integration-copy h2 br,
  .security-heading h2 br {
    display: none;
  }

  .problem-sequence,
  .control-section,
  .capabilities-section,
  .operations-section,
  .integration-section,
  .physical-section,
  .security-section,
  .method-section,
  .entry-section {
    padding-inline: 5vw;
  }

  .problem-scroll {
    gap: 3rem;
  }

  .problem-visual {
    position: relative;
    top: auto;
    min-height: 42rem;
  }

  .failure-trace {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2rem 1.4rem;
  }

  .trace-node {
    min-height: 4.5rem;
    grid-template-columns: 2rem 1fr;
    grid-template-rows: auto auto;
    align-content: center;
    justify-items: start;
    padding-left: 0.2rem;
    text-align: left;
  }

  .trace-node::after {
    top: calc(50% + 0.45rem);
    left: 0.62rem;
    width: 1px;
    height: calc(50% + 3.2rem);
    background: repeating-linear-gradient(180deg, rgba(255,255,255,0.11) 0 6px, transparent 6px 11px);
  }

  .trace-node i {
    grid-row: 1 / 3;
    align-self: center;
    margin: 0;
  }

  .trace-node small {
    margin-top: 0.1rem;
  }

  .problem-note {
    min-height: auto;
    padding: 2.7rem 0;
    opacity: 1;
    transform: none;
    border-bottom: 1px solid var(--line-soft);
  }

  .problem-resolution {
    padding-left: 0;
  }

  .control-architecture,
  .capability-console {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .architecture-rail,
  .capability-selector {
    contain: inline-size layout paint;
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    scrollbar-width: thin;
  }

  .architecture-tab,
  .capability-tab {
    flex: 0 0 auto;
    min-width: 11.5rem;
    border-right: 1px solid var(--line-soft);
    border-bottom: 0;
  }

  .architecture-tab {
    grid-template-columns: 1fr;
  }

  .architecture-tab::before {
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    transform: scaleX(0);
  }

  .architecture-tab.is-active::before {
    transform: scaleX(1);
  }

  .capability-tab:hover,
  .capability-tab.is-active {
    padding-left: 1.5rem;
  }

  .architecture-stage,
  .capability-display {
    min-height: 39rem;
    padding: 4.5rem 1.3rem 2.8rem;
  }

  .architecture-panel h3,
  .capability-panel h3 {
    font-size: clamp(2.2rem, 10vw, 3.7rem);
  }

  .architecture-panel ul,
  .capability-panel ul {
    grid-template-columns: 1fr;
  }

  .founder-visual {
    min-height: 36rem;
  }

  .founder-visual img {
    object-position: 58% center;
  }

  .founder-copy {
    min-height: auto;
    padding: 5rem 5vw;
  }

  .founder-copy blockquote {
    padding-left: 1.25rem;
  }

  .founder-principle {
    grid-template-columns: 1fr;
  }

  .founder-principle i {
    width: 3rem;
  }

  .operation-selector {
    margin-top: 3.5rem;
  }

  .operation-panel {
    gap: 3rem;
  }

  .operation-flow li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .operation-flow small {
    text-align: left;
  }

  .boundary-system {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .boundary-gate {
    min-height: 4.5rem;
    border-top: 1px solid var(--line-soft);
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    border-left: 0;
  }

  .boundary-gate::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--signal) 35%, var(--signal) 65%, transparent);
  }

  .boundary-gate span {
    writing-mode: horizontal-tb;
  }

  .boundary-gate i,
  .boundary-gate b {
    display: none;
  }

  .connection-examples {
    grid-template-columns: 1fr;
  }

  .connection-examples p,
  .connection-examples p:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .device-bus {
    grid-template-columns: 1fr;
  }

  .device-bus__line {
    top: 2rem;
    bottom: 2rem;
    left: 1.4rem;
    width: 1px;
    height: auto;
  }

  .device-bus__line i {
    animation: bus-run-mobile 6s linear infinite;
  }

  @keyframes bus-run-mobile {
    to { transform: translateY(53rem); }
  }

  .device-group {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    padding: 4.5rem 1.4rem 2rem 3rem;
  }

  .device-group > span {
    left: 3rem;
  }

  .register-head {
    display: none;
  }

  .control-register article {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
  }

  .method-line {
    grid-template-columns: repeat(9, minmax(15rem, 1fr));
  }

  .entry-section {
    min-height: 92svh;
  }

  .entry-route {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .entry-route i {
    width: 1px;
    height: 1rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-inline: 5vw;
  }

  .footer-contact {
    display: grid;
    gap: 1rem;
  }

  .footer-legal {
    grid-column: 1;
    flex-wrap: wrap;
  }
}

@media (max-height: 740px) and (min-width: 1021px) {
  .hero {
    align-content: start;
    padding-top: calc(var(--header-height) + 2.5rem);
  }

  .hero h1 {
    font-size: clamp(3.2rem, 5.7vw, 5.5rem);
  }

  .hero-system {
    min-height: 560px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media print {
  .site-header,
  .scroll-cue,
  .entry-signal,
  #control-field {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  * {
    color: inherit !important;
    background: transparent !important;
    box-shadow: none !important;
  }
}

/* Image-led operating system revision */

.problem-visual__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: saturate(0.72) contrast(1.08) brightness(0.7);
}

.problem-visual::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,7,6,0.72), rgba(7,7,6,0.2) 38%, rgba(7,7,6,0.78));
  pointer-events: none;
}

.failure-trace,
.trace-status,
.trace-alert {
  z-index: 2;
}

.problem-notes {
  padding-bottom: 4vh;
}

.problem-note {
  min-height: 42vh;
}

.problem-note h3 {
  max-width: 30rem;
}

.control-architecture {
  min-height: 46rem;
  grid-template-columns: minmax(240px, 0.28fr) minmax(0, 0.72fr);
}

.architecture-stage,
.capability-display {
  display: grid;
  padding: 0;
}

.architecture-media,
.capability-media,
.operation-media,
.physical-visual,
.security-visual,
.entry-preview {
  position: relative;
  overflow: hidden;
  background: #0b0907;
}

.architecture-media,
.capability-media {
  min-width: 0;
  min-height: 46rem;
  grid-area: 1 / 1;
}

.architecture-media::after,
.capability-media::after,
.operation-media::after,
.security-visual::after,
.entry-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,7,6,0.08) 35%, rgba(7,7,6,0.92) 100%);
  pointer-events: none;
}

.architecture-media img,
.capability-media img,
.operation-media img,
.physical-visual img,
.security-visual img,
.entry-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.architecture-media figcaption,
.capability-media figcaption,
.operation-media figcaption {
  position: absolute;
  z-index: 2;
  top: 1.4rem;
  right: 1.4rem;
  left: 1.4rem;
  color: var(--text-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.architecture-media figcaption {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.architecture-media figcaption i {
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), var(--signal), var(--line-soft));
}

.architecture-panel,
.capability-panel {
  z-index: 3;
  width: calc(100% - 3rem);
  max-width: none;
  grid-area: 1 / 1;
  align-self: end;
  margin: 0 1.5rem 1.5rem;
  padding: clamp(1.4rem, 2.5vw, 2.2rem);
  border-top: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(7,7,6,0.97), rgba(7,7,6,0.78) 72%, rgba(7,7,6,0.5));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.architecture-panel h3,
.capability-panel h3 {
  max-width: 48rem;
  margin-top: 0;
  font-size: clamp(1.9rem, 3.2vw, 3.6rem);
}

.architecture-panel ul,
.capability-panel ul {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.architecture-panel li,
.capability-panel li {
  flex: 1 1 9rem;
  border-right: 1px solid var(--line-soft);
  padding: 0.8rem 1rem 0.25rem 0;
}

.capability-console {
  min-height: 50rem;
  grid-template-columns: minmax(250px, 0.28fr) minmax(0, 0.72fr);
}

.capability-media {
  min-height: 50rem;
}

.capability-display__axis {
  z-index: 3;
  color: var(--text-soft);
}

.capability-media figcaption {
  top: 3.6rem;
  color: var(--signal-hot);
}

img.is-switching {
  animation: visual-switch 520ms var(--ease) both;
}

@keyframes visual-switch {
  from { opacity: 0.42; transform: scale(1.012); filter: saturate(0.55) blur(4px); }
  to { opacity: 1; transform: scale(1); filter: saturate(0.82) blur(0); }
}

.operation-stage {
  position: relative;
  display: grid;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.operation-media,
.operation-panel {
  grid-area: 1 / 1;
}

.operation-media {
  min-height: clamp(38rem, 55vw, 52rem);
}

.operation-panel {
  position: relative;
  z-index: 3;
  min-height: auto;
  align-self: end;
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 0.48fr);
  gap: clamp(2rem, 5vw, 6rem);
  margin: 0 1.5rem 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.8rem);
  border-top: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(7,7,6,0.97), rgba(7,7,6,0.78) 75%, rgba(7,7,6,0.52));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.operation-panel__copy h3 {
  margin-top: 0;
  font-size: clamp(1.8rem, 3vw, 3.4rem);
}

.operation-flow {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-self: center;
  border-top: 1px solid var(--line-soft);
}

.operation-flow::before {
  display: none;
}

.operation-flow li {
  display: block;
  padding: 1.2rem 0.7rem 0.75rem;
  border-right: 1px solid var(--line-soft);
  text-align: center;
}

.operation-flow li::before {
  top: -0.28rem;
  left: calc(50% - 0.25rem);
}

.operation-flow span {
  font-size: 0.76rem;
}

.physical-visual {
  width: var(--page);
  aspect-ratio: 16 / 8.5;
  margin: clamp(3rem, 5vw, 5rem) auto 0;
  border-top: 1px solid var(--line);
}

.physical-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7,7,6,0.78));
}

.device-bus {
  margin-top: 0;
}

.security-system {
  width: var(--page);
  margin: clamp(4rem, 7vw, 7rem) auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.security-visual {
  min-height: 38rem;
  border-right: 1px solid var(--line-soft);
}

.security-system .control-register {
  width: auto;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: stretch;
  border: 0;
}

.security-system .control-register article {
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
  align-content: end;
  gap: 0.5rem;
  border-right: 1px solid var(--line-soft);
  padding: 1.4rem;
}

.security-system .control-register p {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  line-height: 1.7;
}

.method-line {
  grid-template-columns: repeat(6, minmax(11.5rem, 1fr));
}

.method-line li {
  min-height: 11rem;
}

.entry-section {
  min-height: 90svh;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(3rem, 6vw, 8rem);
  place-content: initial;
  text-align: left;
}

.entry-copy {
  width: auto;
  margin: 0;
}

.entry-copy h2 {
  font-size: clamp(3.2rem, 5.5vw, 6.7rem);
}

.entry-copy > p {
  max-width: 31rem;
  margin: 1.5rem 0 0;
}

.entry-action {
  margin: 2.5rem 0 0;
}

.entry-preview {
  z-index: 2;
  min-height: 32rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  transform: perspective(1000px) rotateY(-4deg);
  transform-origin: center right;
}

.entry-route {
  grid-column: 1 / -1;
  margin-top: 0;
}

@media (max-width: 1020px) {
  .control-architecture,
  .capability-console {
    grid-template-columns: minmax(230px, 0.3fr) minmax(0, 0.7fr);
  }

  .security-system {
    grid-template-columns: 1fr;
  }

  .security-visual {
    min-height: 32rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .entry-section {
    grid-template-columns: 1fr;
  }

  .entry-preview {
    min-height: 32rem;
    transform: none;
  }
}

@media (max-width: 760px) {
  .hero {
    padding-top: calc(var(--header-height) + 3.2rem);
  }

  .hero__grid {
    gap: 2.4rem;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 15.2vw, 4.7rem);
  }

  .hero-system {
    min-height: 460px;
  }

  .problem-visual {
    min-height: 34rem;
  }

  .problem-visual__image {
    opacity: 0.28;
  }

  .problem-note {
    padding: 1.8rem 0;
  }

  .control-architecture,
  .capability-console {
    grid-template-columns: 1fr;
  }

  .architecture-stage,
  .capability-display {
    min-height: 34rem;
    padding: 0;
  }

  .architecture-media,
  .capability-media {
    min-height: 34rem;
  }

  .architecture-media img,
  .capability-media img {
    object-position: center;
  }

  .architecture-panel,
  .capability-panel {
    width: calc(100% - 1.6rem);
    margin: 0 0.8rem 0.8rem;
    padding: 1.25rem;
  }

  .architecture-panel h3,
  .capability-panel h3 {
    font-size: clamp(1.85rem, 8.5vw, 2.9rem);
  }

  .architecture-panel ul,
  .capability-panel ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .architecture-panel li,
  .capability-panel li {
    padding: 0.7rem 0.4rem 0.2rem 0;
    font-size: 0.55rem;
  }

  .founder-visual {
    min-height: 31rem;
  }

  .operation-tab {
    min-width: 8.5rem;
  }

  .operation-media {
    min-height: 36rem;
  }

  .operation-panel {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 0 0.8rem 0.8rem;
    padding: 1.25rem;
  }

  .operation-panel__copy h3 {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .operation-flow {
    overflow: visible;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .operation-flow span {
    font-size: 0.62rem;
  }

  .operation-media figcaption {
    right: 1rem;
    left: 1rem;
    line-height: 1.65;
  }

  .physical-visual {
    aspect-ratio: 16 / 10;
  }

  .security-visual {
    min-height: 24rem;
  }

  .security-system .control-register {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .security-system .control-register article {
    padding: 1rem;
  }

  .method-line {
    grid-template-columns: repeat(6, minmax(12.5rem, 1fr));
  }

  .entry-section {
    min-height: auto;
    grid-template-areas: "visual" "copy" "route";
    padding-block: 6.5rem;
  }

  .entry-preview {
    grid-area: visual;
    min-height: 22rem;
  }

  .entry-copy {
    grid-area: copy;
  }

  .entry-route {
    grid-area: route;
    margin-top: 1.5rem;
  }
}

/* Cinematic ownership correction: one scene, one purpose, one placement */

.problem-sequence,
.control-section,
.capabilities-section,
.operations-section,
.physical-section,
.security-section {
  overflow: clip;
}

.cinema-visual {
  position: relative;
  width: 100vw;
  aspect-ratio: 16 / 9;
  margin: clamp(3rem, 6vw, 7rem) calc(50% - 50vw) 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  background: #090806;
}

.cinema-visual::after,
.operation-cinema::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7,7,6,0.02) 54%, rgba(7,7,6,0.82) 100%),
    linear-gradient(90deg, rgba(7,7,6,0.22), transparent 42%);
}

.cinema-visual img,
.operation-cinema img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
}

.cinema-visual figcaption,
.operation-cinema figcaption {
  position: absolute;
  z-index: 2;
  right: max(5vw, calc((100vw - 1480px) / 2));
  bottom: clamp(1rem, 2vw, 2rem);
  left: max(5vw, calc((100vw - 1480px) / 2));
  color: rgba(255,255,255,0.76);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.52rem, 0.72vw, 0.68rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.problem-scroll {
  margin-top: clamp(4rem, 7vw, 7rem);
}

.problem-visual {
  background:
    radial-gradient(circle at 50% 42%, rgba(255,104,75,0.09), transparent 32%),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px) 0 0 / 12.5% 100%,
    linear-gradient(180deg, rgba(17,11,8,0.97), rgba(7,7,6,0.98));
}

.problem-visual::before {
  display: none;
}

.control-architecture,
.capability-console {
  min-height: 0;
  margin-top: clamp(3rem, 5vw, 5rem);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.architecture-stage,
.capability-display {
  position: relative;
  min-height: 30rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 35%, rgba(243,161,29,0.08), transparent 28%),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 100% 12.5%,
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 12.5% 100%,
    #090806;
}

.architecture-panel,
.capability-panel {
  width: auto;
  max-width: 58rem;
  grid-area: auto;
  align-self: end;
  margin: auto;
  padding: clamp(2rem, 4vw, 4.5rem);
  border: 0;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.architecture-panel h3,
.capability-panel h3 {
  max-width: 42rem;
  font-size: clamp(2.2rem, 4vw, 4.8rem);
}

.architecture-panel ul,
.capability-panel ul {
  margin-top: clamp(1.5rem, 3vw, 3rem);
}

.capability-display__axis {
  position: absolute;
  z-index: 2;
  top: 1.4rem;
  right: 1.4rem;
  left: 1.4rem;
}

.operation-stage {
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  border-bottom: 0;
}

.operation-panel {
  position: relative;
  z-index: 1;
  min-height: 0;
  aspect-ratio: 16 / 9;
  display: grid;
  grid-template: 1fr / 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: #090806;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.operation-cinema,
.operation-panel__copy,
.operation-panel .operation-flow {
  grid-area: 1 / 1;
}

.operation-cinema {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.operation-panel__copy {
  z-index: 3;
  width: var(--page);
  margin: 0 auto;
  padding-bottom: clamp(6.8rem, 10vw, 10rem);
  align-self: end;
}

.operation-panel__copy h3 {
  max-width: 55rem;
  margin: 0;
  color: #fff;
  font-size: clamp(2.4rem, 4.8vw, 6rem);
  line-height: 0.98;
  text-shadow: 0 0.2rem 1.8rem rgba(0,0,0,0.5);
}

.operation-panel .operation-flow {
  z-index: 3;
  width: var(--page);
  margin: 0 auto clamp(1.8rem, 3vw, 3rem);
  align-self: end;
  border-top-color: rgba(255,255,255,0.2);
}

.operation-flow li {
  border-right-color: rgba(255,255,255,0.16);
}

.operation-flow li::before {
  background: var(--signal);
}

.physical-visual {
  width: 100vw;
  aspect-ratio: 16 / 9;
  margin: clamp(3rem, 6vw, 7rem) calc(50% - 50vw) 0;
  border-bottom: 1px solid var(--line-soft);
}

.physical-visual::after {
  background: linear-gradient(180deg, transparent 72%, rgba(7,7,6,0.48));
}

.security-system {
  width: 100vw;
  margin: clamp(4rem, 7vw, 7rem) calc(50% - 50vw) 0;
  display: block;
  border-bottom: 0;
}

.security-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border-right: 0;
  border-bottom: 1px solid var(--line-soft);
}

.security-system .control-register {
  width: var(--page);
  margin-inline: auto;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-bottom: 1px solid var(--line-soft);
}

.security-system .control-register article {
  min-height: 12rem;
}

.entry-section {
  min-height: 82svh;
  grid-template-columns: 1fr;
  place-content: center;
  text-align: center;
}

.entry-copy {
  width: min(100%, 74rem);
  margin-inline: auto;
}

.entry-copy > p {
  margin-inline: auto;
}

.entry-action {
  margin-inline: auto;
}

@media (max-width: 1020px) {
  .security-system .control-register {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .cinema-visual {
    margin-top: 2.5rem;
  }

  .cinema-visual::after,
  .operation-cinema::after {
    background: linear-gradient(180deg, transparent 58%, rgba(7,7,6,0.76));
  }

  .cinema-visual figcaption,
  .operation-cinema figcaption {
    right: 1rem;
    bottom: 0.85rem;
    left: 1rem;
    font-size: 0.46rem;
  }

  .control-architecture,
  .capability-console {
    margin-top: 2.5rem;
  }

  .architecture-stage,
  .capability-display {
    min-height: 24rem;
  }

  .architecture-panel,
  .capability-panel {
    padding: 2rem 1.2rem;
  }

  .architecture-panel h3,
  .capability-panel h3 {
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .operation-panel {
    aspect-ratio: auto;
    display: block;
  }

  .operation-cinema {
    position: relative;
    aspect-ratio: 16 / 9;
  }

  .operation-panel__copy {
    width: 90vw;
    margin-inline: auto;
    padding: 1.5rem 0 1.2rem;
  }

  .operation-panel__copy h3 {
    font-size: clamp(2rem, 9.4vw, 3.2rem);
    text-shadow: none;
  }

  .operation-panel .operation-flow {
    width: 90vw;
    margin: 0 auto 1.8rem;
  }

  .physical-visual,
  .security-visual {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .security-system .control-register {
    width: 90vw;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .security-system .control-register article {
    min-height: 8.5rem;
  }

  .entry-section {
    min-height: 76svh;
    grid-template-areas: "copy" "route";
  }
}