:root {
  --bg: #080a0b;
  --bg-soft: #0d1012;
  --surface: #111517;
  --surface-2: #171c1f;
  --surface-3: #20272a;
  --ink: #f4f5f2;
  --ink-soft: #c5cbc7;
  --ink-muted: #858e89;
  --paper: #ecece6;
  --paper-ink: #101213;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.24);
  --red: #ff3131;
  --red-deep: #a90e0e;
  --green: #a7f3c2;
  --max: 1440px;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.045;
  background-image:
    radial-gradient(circle at 20% 20%, #fff 0 0.5px, transparent 0.7px),
    radial-gradient(circle at 80% 65%, #fff 0 0.45px, transparent 0.7px);
  background-size: 5px 5px, 7px 7px;
  mix-blend-mode: soft-light;
}

img { display: block; max-width: 100%; }
button, a { font: inherit; }
a { color: inherit; }
button { border: 0; }

::selection {
  background: var(--red);
  color: white;
}

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 12px;
  left: 12px;
  transform: translateY(-180%);
  padding: 0.7rem 0.95rem;
  border-radius: 7px;
  background: white;
  color: #111;
  font-weight: 800;
  text-decoration: none;
}

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

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  right: 0;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(8, 10, 11, 0.86);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}

.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: white;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.brand-name {
  font-weight: 760;
  letter-spacing: -0.025em;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.primary-navigation a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 680;
}

.primary-navigation a:hover { color: white; }

.primary-navigation .nav-cta {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.82rem;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: white;
}

.primary-navigation .nav-cta:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.06);
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem;
  background: transparent;
  color: white;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 23px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 138px 0 80px;
  overflow: hidden;
  display: grid;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  width: min(58vw, 950px);
  aspect-ratio: 1;
  right: -18vw;
  top: -16vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 49, 49, 0.2), rgba(255, 49, 49, 0.045) 42%, transparent 72%);
  filter: blur(8px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.024) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 74%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 26px;
  height: 2px;
  background: var(--red);
  box-shadow: 0 0 9px rgba(255, 49, 49, 0.8);
}

.eyebrow.light { color: rgba(255, 255, 255, 0.75); }

.hero h1,
.section-heading h2,
.install-copy h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(3.35rem, 7vw, 6.8rem);
  line-height: 0.93;
  letter-spacing: -0.065em;
  font-weight: 760;
}

.hero h1 em {
  color: var(--red);
  font-style: normal;
  text-shadow: 0 0 34px rgba(255, 49, 49, 0.22);
}

.hero-lede {
  max-width: 720px;
  margin: 1.75rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.55vw, 1.3rem);
  line-height: 1.55;
}

.hero-lede code { color: white; font-size: 0.9em; }

.hero-actions,
.final-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 760;
  line-height: 1;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--red); color: white; box-shadow: 0 12px 40px rgba(255, 49, 49, 0.18); }
.button-primary:hover { background: #ff4949; }
.button-secondary { border-color: var(--line-strong); color: white; background: rgba(255, 255, 255, 0.035); }
.button-light { background: white; color: #111; }
.button-ghost { border-color: rgba(255, 255, 255, 0.3); color: white; }

.proof-strip {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.proof-strip li {
  min-width: 145px;
  padding: 0 1.4rem;
  border-left: 1px solid var(--line);
}

.proof-strip li:first-child { padding-left: 0; border-left: 0; }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { font-size: 1.3rem; letter-spacing: -0.04em; }
.proof-strip span { color: var(--ink-muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; }

.hero-visual {
  position: relative;
  min-height: 620px;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 2% 4% 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: rotate(-11deg);
  opacity: 0.6;
}

.agent-file {
  position: absolute;
  z-index: 5;
  width: min(390px, 80%);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-2deg);
  padding: 1.2rem;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), transparent 30%), #d9dad4;
  color: #111;
  border: 1px solid #f2f2ed;
  border-radius: 12px;
  box-shadow: 0 35px 80px rgba(0,0,0,0.52), 0 0 0 1px rgba(0,0,0,0.52), inset 0 0 55px rgba(0,0,0,0.13);
}

.agent-file::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  opacity: 0.18;
  background-image:
    radial-gradient(circle at 20% 30%, #000 0 1px, transparent 1.2px),
    radial-gradient(circle at 70% 66%, #000 0 0.8px, transparent 1px);
  background-size: 18px 19px, 27px 23px;
  mix-blend-mode: multiply;
}

.file-topline {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.file-dot {
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(255,49,49,0.9);
}

.file-name {
  position: relative;
  margin: 2.5rem 0 1rem;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.file-name span { color: var(--red-deep); }

.file-rule {
  position: relative;
  height: 3px;
  margin-bottom: 1.5rem;
  background: var(--red);
  box-shadow: 0 0 12px rgba(255,49,49,0.6);
}

.agent-file p {
  position: relative;
  margin: 0.7rem 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.file-state {
  position: relative;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0,0,0,0.25);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.file-state strong { color: #156f32; }

.field-label {
  position: absolute;
  z-index: 2;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  color: var(--ink-muted);
}

.field-label-a { left: 5%; top: 16%; }
.field-label-b { right: 2%; top: 22%; }
.field-label-c { left: 2%; bottom: 18%; }
.field-label-d { right: 6%; bottom: 13%; }

.signal-ring {
  position: absolute;
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 50%;
}

.signal-ring-one { inset: 18% 14% 16% 12%; transform: rotate(12deg); }
.signal-ring-two { inset: 7% 25% 9% 22%; transform: rotate(-18deg); }

.signal-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  box-shadow: 0 0 12px rgba(255,49,49,0.5);
  transform-origin: center;
}

.signal-line-one { width: 75%; left: 12%; top: 37%; transform: rotate(32deg); }
.signal-line-two { width: 68%; left: 15%; top: 68%; transform: rotate(-26deg); }

.candidate {
  position: absolute;
  z-index: 3;
  width: 180px;
  padding: 0.8rem 0.9rem;
  background: rgba(8,10,11,0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--mono);
  box-shadow: var(--shadow);
}

.candidate span, .candidate strong, .candidate s { display: block; }
.candidate span { color: var(--ink-muted); font-size: 0.57rem; letter-spacing: 0.1em; }
.candidate strong, .candidate s { margin-top: 0.35rem; font-size: 0.72rem; }
.candidate s { color: #c98b8b; }
.candidate-one { left: 0; top: 26%; transform: rotate(-3deg); }
.candidate-two { right: 0; bottom: 22%; transform: rotate(2deg); border-color: rgba(167,243,194,0.34); }
.candidate-two strong { color: var(--green); }

.section { padding: clamp(5rem, 10vw, 9rem) 0; }

.section-heading {
  max-width: 850px;
  margin-bottom: 3.4rem;
}

.section-heading.narrow { max-width: 760px; }
.section-heading h2, .install-copy h2 { font-size: clamp(2.7rem, 5vw, 5.2rem); }

.section-heading > p:last-child,
.install-copy > p {
  max-width: 710px;
  margin: 1.35rem 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.problem-section { background: var(--paper); color: var(--paper-ink); }

.problem-section .section-heading > p:last-child,
.how-section .section-heading > p:last-child {
  color: #4f5652;
}

.problem-section .eyebrow { color: #535a56; }

.failure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(0,0,0,0.16);
  border-radius: var(--radius);
  overflow: hidden;
}

.failure-card {
  min-height: 250px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid rgba(0,0,0,0.16);
  border-bottom: 1px solid rgba(0,0,0,0.16);
  background: rgba(255,255,255,0.18);
}

.failure-card:nth-child(2n) { border-right: 0; }
.failure-card:nth-last-child(-n + 2) { border-bottom: 0; }
.card-index { font-family: var(--mono); font-size: 0.76rem; font-weight: 700; color: var(--red-deep); }

.failure-card h3 {
  max-width: 450px;
  margin: 2rem 0 0.8rem;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.failure-card p { max-width: 480px; margin: 0; color: #4f5652; }

.comparison-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 30%), var(--bg);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.comparison-panel {
  position: relative;
  min-height: 620px;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: 28px 28px;
  opacity: 0.06;
  pointer-events: none;
}

.comparison-without { background: #0d1012; }
.comparison-without::before { background-image: repeating-linear-gradient(135deg, #fff 0 1px, transparent 1px 14px); }

.comparison-with {
  background: radial-gradient(circle at 100% 0, rgba(167,243,194,0.09), transparent 32%), #111714;
  border-color: rgba(167,243,194,0.26);
}

.comparison-with::before {
  background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
}

.panel-heading {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-heading h3 { margin: 0; font-size: 1.3rem; }

.status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.55rem;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.status-unsafe { color: #ffb0b0; background: rgba(255,49,49,0.12); border: 1px solid rgba(255,49,49,0.24); }
.status-safe { color: var(--green); background: rgba(167,243,194,0.08); border: 1px solid rgba(167,243,194,0.22); }

.request-line {
  position: relative;
  margin-top: 2rem;
  padding: 1rem 1.05rem;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink-soft);
}

.request-line span {
  margin-right: 0.65rem;
  color: white;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
}

.response-block {
  position: relative;
  margin-top: 1.2rem;
  padding: 1.4rem;
  border-radius: 10px;
  background: rgba(0,0,0,0.28);
}

.response-label {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.response-block blockquote {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: -0.022em;
}

.state-list {
  position: relative;
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.state-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.82rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.state-list span { color: var(--ink-muted); }
.comparison-without .state-list strong { color: #dba0a0; }
.comparison-with .state-list strong { color: var(--green); }

.identity-section { padding: 0 0 clamp(5rem, 10vw, 9rem); background: var(--bg); }

.identity-plate {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.identity-plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.82));
  pointer-events: none;
}

.identity-plate img { width: 100%; aspect-ratio: 4 / 1; object-fit: cover; }

.identity-plate figcaption {
  position: absolute;
  z-index: 2;
  left: clamp(1.25rem, 4vw, 3.2rem);
  right: clamp(1.25rem, 4vw, 3.2rem);
  bottom: clamp(1.2rem, 3vw, 2.4rem);
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
}

.identity-plate figcaption span {
  color: rgba(255,255,255,0.7);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.identity-plate figcaption strong {
  max-width: 560px;
  text-align: right;
  font-size: clamp(1.2rem, 2.3vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.how-section { background: var(--paper); color: var(--paper-ink); }
.how-section .eyebrow { color: #535a56; }

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(0,0,0,0.18);
  border-radius: var(--radius);
  overflow: hidden;
}

.principle-card {
  min-height: 290px;
  padding: 2rem;
  background: var(--paper);
}

.principle-card span { font-family: var(--mono); color: var(--red-deep); font-size: 0.72rem; font-weight: 800; }

.principle-card h3 {
  margin: 4rem 0 0.7rem;
  font-size: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.principle-card p { margin: 0; color: #555c58; }

.install-section { background: var(--bg-soft); }

.install-shell {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.steps { list-style: none; margin: 3rem 0 0; padding: 0; }

.steps li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
}

.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps > li > span { font-family: var(--mono); color: var(--red); font-size: 0.8rem; font-weight: 800; }
.steps strong { font-size: 1.05rem; }
.steps p { margin: 0.2rem 0 0; color: var(--ink-muted); }

.install-terminal {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #060708;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.terminal-bar {
  min-height: 48px;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
}

.terminal-bar > span {
  width: 9px;
  height: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.terminal-bar strong {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.install-terminal pre {
  margin: 0;
  min-height: 250px;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  display: flex;
  align-items: center;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #d9e0dc;
  font-size: clamp(0.92rem, 1.5vw, 1.15rem);
  line-height: 1.7;
}

.copy-button {
  width: calc(100% - 2rem);
  min-height: 48px;
  margin: 0 1rem 1rem;
  padding: 0.7rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: white;
  cursor: pointer;
  font-weight: 700;
}

.copy-button:hover { background: var(--surface-2); }

.copy-status {
  min-height: 1.4em;
  margin: -0.6rem 1rem 1rem;
  color: var(--green);
  font-size: 0.82rem;
}

.audience-section { background: var(--paper); color: var(--paper-ink); }
.audience-section .eyebrow { color: #535a56; }
.audience-list { border-top: 1px solid rgba(0,0,0,0.18); }

.audience-list article {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 1.7rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.18);
}

.audience-list span {
  padding-top: 0.35rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  color: var(--red-deep);
}

.audience-list h3 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(1.25rem, 2.5vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.technical-section { padding-top: 5rem; padding-bottom: 5rem; }

.technical-details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.technical-details summary {
  min-height: 92px;
  padding: 1.4rem 1.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 1.2rem;
  font-weight: 720;
}

.technical-details summary::-webkit-details-marker { display: none; }

.technical-details summary small {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.details-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 160ms ease;
}

.technical-details[open] .details-icon { transform: rotate(45deg); }

.technical-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 2rem;
  border-top: 1px solid var(--line);
}

.technical-body h3 { margin: 0 0 0.5rem; }
.technical-body p { margin: 0; color: var(--ink-muted); }

.text-link {
  grid-column: 1 / -1;
  color: white;
  font-weight: 750;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 12vw, 11rem) 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(255,49,49,0.28), transparent 28rem),
    linear-gradient(135deg, #8b0909, #d61717 45%, #4b0303);
}

.final-noise {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    radial-gradient(circle at 10% 20%, white 0 0.7px, transparent 1px),
    radial-gradient(circle at 80% 70%, white 0 0.6px, transparent 1px);
  background-size: 19px 17px, 27px 23px;
  mix-blend-mode: overlay;
}

.final-cta-shell { position: relative; }
.final-cta h2 { max-width: 1000px; font-size: clamp(3rem, 7vw, 7rem); }

.final-cta-shell > p:not(.eyebrow) {
  max-width: 650px;
  margin: 1.5rem 0 0;
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
}

.site-footer {
  padding: 2.3rem 0;
  background: #050607;
  border-top: 1px solid var(--line);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 2rem;
}

.footer-shell strong { font-size: 0.95rem; }
.footer-shell p { margin: 0.1rem 0 0; color: var(--ink-muted); font-size: 0.82rem; }

.footer-links { display: flex; gap: 1.2rem; }
.footer-links a { color: var(--ink-soft); font-size: 0.84rem; text-decoration: none; }
.footer-links a:hover { color: white; }
.footer-note { font-family: var(--mono); }

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 550ms ease, transform 550ms ease;
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-shell, .install-shell { grid-template-columns: 1fr; }
  .hero-visual { min-height: 560px; max-width: 650px; width: 100%; margin-inline: auto; }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .identity-plate img { aspect-ratio: 2.4 / 1; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }

  .site-header {
    background: rgba(8,10,11,0.92);
    border-color: var(--line);
    backdrop-filter: blur(14px);
  }

  .brand-name { font-size: 0.9rem; }
  .menu-toggle { display: block; }

  .primary-navigation {
    position: absolute;
    top: 72px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.7rem;
    background: #0d1012;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    box-shadow: var(--shadow);
  }

  .primary-navigation.is-open { display: flex; }
  .primary-navigation a { padding: 0.85rem; border-radius: 7px; }
  .primary-navigation .nav-cta { margin-top: 0.35rem; }

  .hero { padding-top: 120px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5.3rem); }

  .proof-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .proof-strip li { min-width: 0; padding: 0 0.7rem; }
  .proof-strip span { font-size: 0.58rem; }
  .hero-visual { min-height: 500px; }
  .agent-file { width: 78%; }
  .candidate { width: 145px; }

  .failure-grid, .comparison-grid, .technical-body { grid-template-columns: 1fr; }

  .failure-card {
    border-right: 0;
    border-bottom: 1px solid rgba(0,0,0,0.16);
  }

  .failure-card:nth-last-child(-n + 2) { border-bottom: 1px solid rgba(0,0,0,0.16); }
  .failure-card:last-child { border-bottom: 0; }
  .comparison-panel { min-height: 0; }
  .identity-plate img { aspect-ratio: 1.65 / 1; }
  .identity-plate figcaption { display: block; }

  .identity-plate figcaption strong {
    display: block;
    margin-top: 0.45rem;
    text-align: left;
  }

  .principle-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 230px; }
  .principle-card h3 { margin-top: 2.5rem; }

  .audience-list article {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .footer-shell { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions, .final-actions { display: grid; }
  .button { width: 100%; }

  .proof-strip {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .proof-strip li { padding: 0; border-left: 0; }
  .hero-visual { min-height: 450px; }
  .agent-file { width: 88%; }
  .candidate-one { top: 8%; }
  .candidate-two { bottom: 6%; }
  .field-label-b, .field-label-d { right: 0; }
}

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

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

  .button:hover { transform: none; }
}