/* =========================================================
   SIGNAL AUDIT — SECURITY & ARCHITECTURE
   WCAG 2.2 AA-ORIENTED
   ========================================================= */

.sa-security-page,
.sa-security-page * {
  box-sizing: border-box;
}

.sa-security-page {
  --sa-text: #111111;
  --sa-text-secondary: #4a4a4a;
  --sa-text-muted: #555555;

  --sa-surface: #f7f7f4;
  --sa-surface-card: #ffffff;

  --sa-dark: #111111;
  --sa-dark-text: #ffffff;
  --sa-dark-secondary: #d6d6d6;

  --sa-border: #b9b9b5;
  --sa-focus: #005fcc;

  width: 100%;
  max-width: 100%;

  padding:
    50px
    24px
    clamp(88px, 9vw, 140px);

  overflow-wrap: break-word;

  background: var(--sa-surface);
  color: var(--sa-text);

  font-family:
    Inter,
    Arial,
    Helvetica,
    sans-serif;

  font-size: 1rem;
  line-height: 1.5;
}

.sa-security-page__inner {
  width: min(1440px, 100%);
  margin: 0 auto;
}


/* =========================================================
   GLOBAL TEXT
   ========================================================= */

.sa-security-page p,
.sa-security-page li,
.sa-security-page dd {
  color: var(--sa-text-secondary);
}

.sa-security-page h1,
.sa-security-page h2,
.sa-security-page h3,
.sa-security-page p,
.sa-security-page ol,
.sa-security-page ul,
.sa-security-page dl,
.sa-security-page dt,
.sa-security-page dd {
  max-width: 100%;
}

.sa-security-page h1,
.sa-security-page h2,
.sa-security-page h3 {
  color: var(--sa-text);
  text-wrap: balance;
}

.sa-security-page a {
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
}


/* =========================================================
   ACCESSIBLE FOCUS
   ========================================================= */

.sa-security-page a:focus-visible,
.sa-security-page button:focus-visible,
.sa-security-page input:focus-visible,
.sa-security-page select:focus-visible,
.sa-security-page textarea:focus-visible {
  outline: 3px solid var(--sa-focus) !important;
  outline-offset: 4px !important;

  box-shadow:
    0 0 0 2px #ffffff !important;
}

.sa-security-page a,
.sa-security-page button,
.sa-security-page input,
.sa-security-page select,
.sa-security-page textarea {
  scroll-margin-block:
    7rem
    7rem;
}


/* =========================================================
   EYEBROWS
   ========================================================= */

.sa-security-eyebrow,
.sa-security-contact__eyebrow {
  margin: 0 0 22px;

  color: var(--sa-text-muted) !important;

  font-size: 0.75rem;
  line-height: 1.3;
  font-weight: 700;

  letter-spacing: 0.13em;
  text-transform: uppercase;
}


/* =========================================================
   HERO
   ========================================================= */

.sa-security-hero {
  max-width: 1120px;
  margin: 0 0 10px;
}

.sa-security-hero h1 {
  max-width: 1100px;
  margin: 0;

  color: var(--sa-text);

  font-size: 2.75em;

  line-height: 0.96;
  font-weight: 600;

  letter-spacing: -0.06em;
}

.sa-security-hero__lede {
  max-width: 840px;
  margin: 34px 0 0;

  color: var(--sa-text-secondary) !important;

  font-size:
    clamp(
      1.15rem,
      2vw,
      1.55rem
    );

  line-height: 1.55;
  letter-spacing: -0.02em;
}

.sa-security-hero__statement {
  max-width: 840px;

  margin: 32px 0 0;
  padding-top: 28px;
  color: var(--sa-text) !important;

  font-size:
    clamp(
      1.1rem,
      1.8vw,
      1.4rem
    );

  line-height: 1.5;
  font-weight: 600;

  letter-spacing: -0.02em;
}


/* =========================================================
   SECTIONS
   ========================================================= */

.sa-security-section {
  padding:
    clamp(74px, 8vw, 112px)
    0;

  border-top:
    1px solid
    var(--sa-border);

  scroll-margin-top: 7rem;
}

.sa-security-section__heading {
  max-width: 900px;
  margin-bottom: 56px;
}

.sa-security-section__heading h2,
.sa-security-contact h2 {
  margin: 0;

  color: var(--sa-text);


  line-height: 1;

  letter-spacing: -0.055em;
}

.sa-security-section__heading > p:last-child {
  max-width: 760px;

  margin: 26px 0 0;

  color: var(--sa-text-secondary) !important;

  font-size:
    clamp(
      1rem,
      1.5vw,
      1.2rem
    );

  line-height: 1.65;
}


/* =========================================================
   ARCHITECTURE FLOW
   ========================================================= */

.sa-security-flow {
  display: grid;

  grid-template-columns:
    repeat(
      3,
      minmax(0, 1fr)
    );

  gap: 64px;

  margin: 0;
  padding: 0;

  list-style: none;

  counter-reset: none;
}

.sa-security-flow__node {
  position: relative;

  min-width: 0;
  min-height: 280px;

  padding: 30px;

  border:
    1px solid
    var(--sa-border);

  border-radius: 20px;

  background:
    var(--sa-surface-card);

  color:
    var(--sa-text);
}

.sa-security-flow__node:not(:last-child)::after {
  content: "→";

  position: absolute;

  top: 50%;
  left: calc(100% + 21px);

  transform:
    translateY(-50%);

  color: var(--sa-text);

  font-size: 1.5rem;
  line-height: 1;

  speak: none;
}

.sa-security-flow__node--active {
  border-color:
    var(--sa-dark);

  background:
    var(--sa-dark);

  color:
    var(--sa-dark-text);
}

.sa-security-flow__number {
  display: block;

  margin-bottom: 52px;

  color: var(--sa-text-muted);

  font-family:
    "IBM Plex Mono",
    "Courier New",
    monospace;

  font-size: 0.75rem;
  line-height: 1.3;
  font-weight: 700;
}

.sa-security-flow__node--active
.sa-security-flow__number {
  color:
    var(--sa-dark-secondary);
}

.sa-security-flow__label {
  margin: 0 0 12px;

  color:
    var(--sa-text-muted) !important;

  font-size: 0.75rem;
  line-height: 1.4;
  font-weight: 700;

  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.sa-security-flow__node--active
.sa-security-flow__label {
  color:
    var(--sa-dark-secondary) !important;
}

.sa-security-flow__node h3 {
  margin: 0;

  color:
    var(--sa-text);

  font-size:
    clamp(
      1.35rem,
      2vw,
      1.8rem
    );

  line-height: 1.15;
  font-weight: 600;

  letter-spacing: -0.035em;
}

.sa-security-flow__node--active h3 {
  color:
    var(--sa-dark-text);
}

.sa-security-flow__node > p:last-child {
  margin: 18px 0 0;

  color:
    var(--sa-text-secondary) !important;

  font-size: 1rem;
  line-height: 1.65;
}

.sa-security-flow__node--active
> p:last-child {
  color:
    var(--sa-dark-secondary) !important;
}


/* =========================================================
   PRINCIPLES
   ========================================================= */

.sa-security-principles {
  display: grid;

  grid-template-columns:
    repeat(
      2,
      minmax(0, 1fr)
    );

  border-top:
    1px solid
    var(--sa-border);

  border-left:
    1px solid
    var(--sa-border);
}

.sa-security-principle {
  min-width: 0;

  padding: 32px;

  border-right:
    1px solid
    var(--sa-border);

  border-bottom:
    1px solid
    var(--sa-border);

  background:
    var(--sa-surface-card);
}

.sa-security-principle__number {
  display: block;

  margin-bottom: 48px;

  color:
    var(--sa-text-muted);

  font-family:
    "IBM Plex Mono",
    "Courier New",
    monospace;

  font-size: 0.75rem;
  line-height: 1.3;
  font-weight: 700;
}

.sa-security-principle h3 {
  margin: 0;

  color: var(--sa-text);

  font-size:
    clamp(
      1.35rem,
      2vw,
      1.8rem
    );

  line-height: 1.15;
  font-weight: 600;

  letter-spacing: -0.035em;
}

.sa-security-principle p {
  max-width: 580px;

  margin: 18px 0 0;

  color:
    var(--sa-text-secondary) !important;

  font-size: 1rem;
  line-height: 1.65;
}


/* =========================================================
   SYSTEM BOUNDARIES
   ========================================================= */

.sa-security-boundaries {
  display: grid;

  grid-template-columns:
    repeat(
      2,
      minmax(0, 1fr)
    );

  gap: 24px;
}

.sa-security-boundary {
  min-width: 0;

  overflow: hidden;

  border:
    1px solid
    var(--sa-border);

  border-radius: 22px;

  background:
    var(--sa-surface-card);
}

.sa-security-boundary h3 {
  margin: 0;
  padding: 24px 28px;

  border-bottom:
    1px solid
    var(--sa-border);

  color:
    var(--sa-text);

  font-size:
    clamp(
      1.3rem,
      2vw,
      1.7rem
    );

  line-height: 1.25;
  font-weight: 600;

  letter-spacing: -0.03em;
}

.sa-security-boundary ul {
  margin: 0;
  padding: 12px 28px 24px;

  list-style: none;
}

.sa-security-boundary li {
  position: relative;

  padding:
    17px
    0
    17px
    30px;

  border-top:
    1px solid
    #d0d0cd;

  color:
    var(--sa-text-secondary) !important;

  font-size: 1rem;
  line-height: 1.55;
}

.sa-security-boundary li:first-child {
  border-top: 0;
}

.sa-security-boundary li::before {
  content: "✓";

  position: absolute;
  left: 0;

  color:
    var(--sa-text);

  font-weight: 700;
}

.sa-security-boundary--dark {
  border-color:
    var(--sa-dark);

  background:
    var(--sa-dark);

  color:
    var(--sa-dark-text);
}

.sa-security-boundary--dark h3 {
  border-bottom-color:
    #595959;

  color:
    var(--sa-dark-text);
}

.sa-security-boundary--dark li {
  border-top-color:
    #595959;

  color:
    var(--sa-dark-secondary) !important;
}

.sa-security-boundary--dark li::before {
  content: "—";

  color:
    var(--sa-dark-text);
}


/* =========================================================
   DEPLOYMENT FLOW
   ========================================================= */

.sa-security-deployment-flow {
  display: grid;

  grid-template-columns:
    repeat(
      4,
      minmax(0, 1fr)
    );

  gap: 48px;

  margin: 0;
  padding: 0;

  list-style: none;
}

.sa-security-deployment-flow li {
  position: relative;

  min-width: 0;

  padding: 26px;

  border:
    1px solid
    var(--sa-border);

  border-radius: 18px;

  background:
    var(--sa-surface-card);
}

.sa-security-deployment-flow
li:not(:last-child)::after {
  content: "→";

  position: absolute;

  top: 50%;
  left: calc(100% + 15px);

  transform:
    translateY(-50%);

  color:
    var(--sa-text);

  font-size: 1.25rem;
  line-height: 1;

  speak: none;
}

.sa-security-deployment-flow__number {
  display: block;

  margin-bottom: 34px;

  color:
    var(--sa-text-muted);

  font-family:
    "IBM Plex Mono",
    "Courier New",
    monospace;

  font-size: 0.75rem;
  line-height: 1.3;
  font-weight: 700;
}

.sa-security-deployment-flow h3 {
  margin: 0;

  color:
    var(--sa-text);

  font-size: 1.1rem;
  line-height: 1.35;
  font-weight: 600;
}

.sa-security-deployment-flow p {
  margin: 8px 0 0;

  color:
    var(--sa-text-secondary) !important;

  font-size: 0.95rem;
  line-height: 1.5;
}


/* =========================================================
   SHARED RESPONSIBILITY
   ========================================================= */

.sa-security-responsibility {
  display: grid;

  grid-template-columns:
    repeat(
      2,
      minmax(0, 1fr)
    );

  margin: 0;

  border-top:
    1px solid
    var(--sa-border);

  border-left:
    1px solid
    var(--sa-border);
}

.sa-security-responsibility > div {
  min-width: 0;

  padding: 32px;

  border-right:
    1px solid
    var(--sa-border);

  border-bottom:
    1px solid
    var(--sa-border);

  background:
    var(--sa-surface-card);
}

.sa-security-responsibility dt {
  margin: 0 0 36px;

  color:
    var(--sa-text-muted);

  font-size: 0.75rem;
  line-height: 1.4;
  font-weight: 700;

  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sa-security-responsibility dd {
  max-width: 560px;

  margin: 0;

  color:
    var(--sa-text) !important;

  font-size:
    clamp(
      1.15rem,
      2vw,
      1.55rem
    );

  line-height: 1.45;
  font-weight: 500;

  letter-spacing: -0.025em;
}


/* =========================================================
   SECURITY REVIEW CTA
   ========================================================= */

.sa-security-contact {
  display: grid;

  grid-template-columns:
    minmax(0, 1fr)
    minmax(260px, auto);

  gap: 64px;

  align-items: end;

  margin-top:
    clamp(
      74px,
      8vw,
      112px
    );

  padding:
    clamp(
      40px,
      5vw,
      64px
    );

  border:
    1px solid
    var(--sa-dark);

  border-radius: 24px;

  background:
    var(--sa-dark);

  color:
    var(--sa-dark-text);
}

.sa-security-contact__eyebrow {
  color:
    var(--sa-dark-secondary) !important;
}

.sa-security-contact h2 {
  max-width: 780px;

  color:
    var(--sa-dark-text);
}

.sa-security-contact p:last-child {
  max-width: 720px;

  margin: 24px 0 0;

  color:
    var(--sa-dark-secondary) !important;

  font-size: 1rem;
  line-height: 1.65;
}

.sa-security-contact__cta {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  gap: 12px;

  min-width: 0;
  min-height: 52px;

  padding: 14px 24px;

  border:
    2px solid
    #ffffff;

  border-radius: 999px;

  background:
    #ffffff;

  color:
    #111111 !important;

  font-size: 0.8rem;
  line-height: 1.3;
  font-weight: 700;

  letter-spacing: 0.08em;

  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.sa-security-contact__cta:hover {
  background:
    #eeeeee;

  color:
    #111111 !important;

  text-decoration: underline;

  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.sa-security-contact__cta:focus-visible {
  outline:
    3px solid
    #ffffff !important;

  outline-offset:
    5px !important;

  box-shadow:
    0 0 0 3px #005fcc !important;
}


/* =========================================================
   TABLET
   ========================================================= */

@media screen and (max-width: 1050px) {

  .sa-security-flow {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .sa-security-flow__node {
    min-height: 0;
  }

  .sa-security-flow__node:not(:last-child)::after {
    content: "↓";

    top: calc(100% + 17px);
    left: 50%;

    transform:
      translateX(-50%);
  }

  .sa-security-deployment-flow {
    grid-template-columns:
      repeat(
        2,
        minmax(0, 1fr)
      );

    gap: 24px;
  }

  .sa-security-deployment-flow
  li:not(:last-child)::after {
    display: none;
  }

  .sa-security-contact {
    grid-template-columns:
      1fr;

    align-items: start;
  }

  .sa-security-contact__cta {
    justify-self: start;
  }

}


/* =========================================================
   MOBILE / REFLOW
   ========================================================= */

@media screen and (max-width: 767px) {

  .sa-security-page {
    padding:
      72px
      20px;

    overflow-x: hidden;
  }

  .sa-security-page__inner,
  .sa-security-hero,
  .sa-security-section,
  .sa-security-flow,
  .sa-security-principles,
  .sa-security-boundaries,
  .sa-security-deployment-flow,
  .sa-security-responsibility,
  .sa-security-contact {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .sa-security-hero {
    margin-bottom: 80px;
  }

  .sa-security-hero h1 {
    font-size: 2.25em;

    line-height: 1;
    letter-spacing: -0.05em;
  }

  .sa-security-section {
    padding:
      68px
      0;
  }

  .sa-security-section__heading {
    margin-bottom: 40px;
  }

  .sa-security-section__heading h2,
  .sa-security-contact h2 {
    line-height: 1.05;
  }

  .sa-security-principles,
  .sa-security-boundaries,
  .sa-security-deployment-flow,
  .sa-security-responsibility {
    grid-template-columns:
      minmax(0, 1fr);
  }

  .sa-security-principle,
  .sa-security-boundary,
  .sa-security-deployment-flow li,
  .sa-security-responsibility > div {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .sa-security-principle__number,
  .sa-security-flow__number {
    margin-bottom: 34px;
  }

  .sa-security-deployment-flow {
    gap: 52px;
  }

  .sa-security-deployment-flow
  li:not(:last-child)::after {
    display: block;

    content: "↓";

    top: calc(100% + 16px);
    left: 50%;

    transform:
      translateX(-50%);
  }

  .sa-security-contact {
    gap: 38px;

    padding:
      34px
      24px;

    border-radius: 20px;
  }

  .sa-security-contact__cta {
    width: 100%;
    min-height: 52px;

    justify-self: stretch;

    white-space: normal;
  }

}


/* =========================================================
   VERY NARROW VIEWPORTS / 320 CSS PX
   ========================================================= */

@media screen and (max-width: 400px) {

  .sa-security-page {
    padding-left: 16px;
    padding-right: 16px;
  }

  .sa-security-flow__node,
  .sa-security-principle,
  .sa-security-deployment-flow li,
  .sa-security-responsibility > div {
    padding:
      24px
      20px;
  }

  .sa-security-boundary h3 {
    padding:
      22px
      20px;
  }

  .sa-security-boundary ul {
    padding:
      10px
      20px
      22px;
  }

  .sa-security-contact {
    padding:
      30px
      20px;
  }

}


/* =========================================================
   200% TEXT / USER FONT OVERRIDES
   ========================================================= */

@media screen and (max-width: 900px) {

  .sa-security-page {
    word-break: normal;
    hyphens: auto;
  }

  .sa-security-page h1,
  .sa-security-page h2,
  .sa-security-page h3,
  .sa-security-page p,
  .sa-security-page li,
  .sa-security-page dt,
  .sa-security-page dd,
  .sa-security-page a {
    overflow-wrap: break-word;
  }

}


/* =========================================================
   FORCED COLORS / HIGH-CONTRAST MODES
   ========================================================= */

@media (forced-colors: active) {

  .sa-security-flow__node,
  .sa-security-principle,
  .sa-security-boundary,
  .sa-security-deployment-flow li,
  .sa-security-responsibility > div,
  .sa-security-contact {
    border:
      1px solid
      CanvasText;
  }

  .sa-security-flow__node--active,
  .sa-security-boundary--dark,
  .sa-security-contact {
    forced-color-adjust: auto;
  }

  .sa-security-contact__cta {
    border:
      2px solid
      LinkText;
  }

}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  .sa-security-page *,
  .sa-security-page *::before,
  .sa-security-page *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

}


/* =========================================================
   PRINT
   ========================================================= */

@media print {

  .sa-security-page {
    padding: 0;

    background: #ffffff;
    color: #000000;
  }

  .sa-security-flow,
  .sa-security-principles,
  .sa-security-boundaries,
  .sa-security-deployment-flow,
  .sa-security-responsibility,
  .sa-security-contact {
    display: block;
  }

  .sa-security-flow__node,
  .sa-security-principle,
  .sa-security-boundary,
  .sa-security-deployment-flow li,
  .sa-security-responsibility > div,
  .sa-security-contact {
    margin-bottom: 24px;

    break-inside: avoid;

    background: #ffffff !important;
    color: #000000 !important;
  }

}