/* =========================================================================
   H.A.R.I. — Institutional site stylesheet
   Gulf Racing palette, institutional refinement.
   Single file by intent: portable, auditable, deterministic.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------------------- */
:root {
  /* Palette — Gulf Racing inspired */
  --gulf-light-blue: #5BC2E7;
  --gulf-powder-blue: #A6DCEF;
  --gulf-orange: #F26522;
  --gulf-orange-hover: #D5551A;
  --deep-navy: #0B1E3F;
  --deep-navy-soft: #14305C;
  --charcoal: #1A1A1A;
  --slate: #4A5568;
  --white: #FFFFFF;
  --soft-white: #FAFAF7;
  --hairline: #E5E9F0;
  --hairline-strong: #C7D0DC;

  /* State colors (motif: ALLOW / DEFER / SYSTEM_UNVERIFIED) */
  --state-allow: #10884A;
  --state-allow-soft: #DCEFE3;
  --state-defer: #B45309;
  --state-defer-soft: #FCEFD8;
  --state-unverified: #4A5568;
  --state-unverified-soft: #E5E9F0;

  /* Typography */
  --font-serif: "Source Serif 4", "Source Serif Pro", "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;

  /* Type scale */
  --fs-display: clamp(2.25rem, 4.5vw, 3.75rem);
  --fs-h1: clamp(1.875rem, 3.4vw, 2.75rem);
  --fs-h2: clamp(1.5rem, 2.4vw, 2rem);
  --fs-h3: 1.25rem;
  --fs-h4: 1.0625rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Layout */
  --max-content: 1180px;
  --max-prose: 720px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Shadows — subtle, institutional */
  --shadow-card: 0 1px 2px rgba(11, 30, 63, 0.06), 0 4px 12px rgba(11, 30, 63, 0.05);
  --shadow-card-hover: 0 2px 4px rgba(11, 30, 63, 0.08), 0 8px 24px rgba(11, 30, 63, 0.08);

  /* Focus ring — accessibility */
  --focus-ring: 0 0 0 3px rgba(242, 101, 34, 0.45);
}

/* -------------------------------------------------------------------------
   2. RESET / BASE
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--deep-navy);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}
a:hover { color: var(--gulf-orange); }
a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 2px; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--deep-navy);
  margin: 0 0 var(--space-4);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); font-weight: 600; }

p { margin: 0 0 var(--space-4); max-width: var(--max-prose); }

ul, ol { margin: 0 0 var(--space-4); padding-left: 1.5rem; max-width: var(--max-prose); }
li { margin-bottom: var(--space-2); }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
code {
  background: var(--soft-white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
  color: var(--deep-navy);
}

hr {
  border: 0;
  height: 1px;
  background: var(--hairline);
  margin: var(--space-7) 0;
}

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--deep-navy);
  color: var(--white);
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  text-decoration: none;
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); color: var(--white); }

/* -------------------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.container--narrow { max-width: 880px; }
.container--prose { max-width: var(--max-prose); }

.section { padding: var(--space-8) 0; }
.section--tight { padding: var(--space-7) 0; }
.section--loose { padding: var(--space-9) 0; }

.section--blue { background: var(--gulf-light-blue); color: var(--deep-navy); }
.section--powder { background: var(--gulf-powder-blue); color: var(--deep-navy); }
.section--navy { background: var(--deep-navy); color: var(--white); }
.section--soft { background: var(--soft-white); }
.section--white { background: var(--white); }

.section--blue h1, .section--blue h2, .section--blue h3, .section--blue h4,
.section--powder h1, .section--powder h2, .section--powder h3, .section--powder h4 {
  color: var(--deep-navy);
}
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4 {
  color: var(--white);
}
.section--navy a { color: var(--gulf-light-blue); }
.section--navy a:hover { color: var(--gulf-powder-blue); }
.section--navy code {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--gulf-powder-blue);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--deep-navy);
  margin-bottom: var(--space-3);
  display: inline-block;
}
.section--blue .eyebrow, .section--powder .eyebrow { color: var(--deep-navy); }
.section--navy .eyebrow { color: var(--gulf-light-blue); }

.lede {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--deep-navy);
  max-width: var(--max-prose);
}
.section--navy .lede { color: var(--gulf-powder-blue); }

.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.stack > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }

/* -------------------------------------------------------------------------
   4. NAVIGATION (top header)
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--hairline);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-5);
  max-width: var(--max-content);
  margin: 0 auto;
  min-height: 64px;
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--deep-navy);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-header__brand:hover { color: var(--deep-navy); }
.site-header__brand .mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gulf-light-blue);
  border: 2px solid var(--deep-navy);
  display: inline-block;
  position: relative;
}
.site-header__brand .mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--deep-navy);
}

.site-nav {
  display: none;
}
.site-nav__list {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
}
.site-nav__item { margin: 0; position: relative; }
.site-nav__link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-small);
  color: var(--deep-navy);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  letter-spacing: 0.005em;
}
.site-nav__link:hover { background: var(--soft-white); color: var(--deep-navy); }
.site-nav__link[aria-current="page"],
.site-nav__link[aria-current="true"] {
  color: var(--gulf-orange);
}

/* Dropdown */
.site-nav__item:hover .site-nav__sub,
.site-nav__item:focus-within .site-nav__sub { display: block; }
.site-nav__sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-3);
  list-style: none;
  margin: 0;
  z-index: 10;
}
.site-nav__sub li { margin: 0; }
.site-nav__sub a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-small);
  color: var(--deep-navy);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.site-nav__sub a:hover { background: var(--soft-white); color: var(--gulf-orange); }

/* Mobile menu toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--deep-navy);
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (min-width: 980px) {
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}

/* Mobile menu panel */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--hairline);
  background: var(--white);
}
.mobile-nav[data-open="true"] { display: block; }
.mobile-nav__list { list-style: none; margin: 0; padding: var(--space-3) 0; }
.mobile-nav__list li { margin: 0; }
.mobile-nav__list a {
  display: block;
  padding: var(--space-3) var(--space-5);
  color: var(--deep-navy);
  text-decoration: none;
  font-size: var(--fs-small);
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav__list a:hover { background: var(--soft-white); }
.mobile-nav__list .group-label {
  display: block;
  padding: var(--space-3) var(--space-5) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--soft-white);
  border-bottom: 1px solid var(--hairline);
}

/* -------------------------------------------------------------------------
   5. BREADCRUMBS
   ------------------------------------------------------------------------- */
.breadcrumbs {
  font-size: var(--fs-small);
  color: var(--slate);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--hairline);
  background: var(--soft-white);
}
.breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.breadcrumbs li { margin: 0; }
.breadcrumbs li + li::before {
  content: "›";
  margin-right: var(--space-2);
  color: var(--hairline-strong);
}
.breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--gulf-orange); text-decoration: underline; }
.breadcrumbs [aria-current="page"] { color: var(--deep-navy); font-weight: 500; }

/* -------------------------------------------------------------------------
   6. HERO
   ------------------------------------------------------------------------- */
.hero {
  background: var(--gulf-light-blue);
  color: var(--deep-navy);
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}
.hero__inner { max-width: var(--max-content); margin: 0 auto; padding: 0 var(--space-5); position: relative; }
.hero__title {
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 1.1;
  color: var(--deep-navy);
  margin-bottom: var(--space-5);
  max-width: 18ch;
  letter-spacing: -0.015em;
}
.hero__subtitle {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--deep-navy);
  max-width: 56ch;
  margin-bottom: var(--space-6);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero--small {
  padding: var(--space-7) 0 var(--space-6);
}
.hero--small .hero__title { font-size: var(--fs-h1); }
.hero--small .hero__subtitle { font-size: 1.0625rem; }
.hero--powder { background: var(--gulf-powder-blue); }
.hero--navy { background: var(--deep-navy); color: var(--white); }
.hero--navy .hero__title, .hero--navy .hero__subtitle { color: var(--white); }

/* -------------------------------------------------------------------------
   7. BUTTONS / CTAs
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  min-height: 44px;
  letter-spacing: 0.005em;
  white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--gulf-orange);
  color: var(--white);
  border-color: var(--gulf-orange);
}
.btn--primary:hover { background: var(--gulf-orange-hover); border-color: var(--gulf-orange-hover); color: var(--white); }

.btn--navy {
  background: var(--deep-navy);
  color: var(--white);
  border-color: var(--deep-navy);
}
.btn--navy:hover { background: var(--deep-navy-soft); color: var(--white); }

.btn--outline {
  background: transparent;
  color: var(--deep-navy);
  border-color: var(--deep-navy);
}
.btn--outline:hover { background: var(--deep-navy); color: var(--white); }

.section--navy .btn--outline { color: var(--white); border-color: var(--white); }
.section--navy .btn--outline:hover { background: var(--white); color: var(--deep-navy); }

.btn--ghost {
  background: transparent;
  color: var(--deep-navy);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}
.btn--ghost:hover { color: var(--gulf-orange); }

.btn--small { padding: var(--space-2) var(--space-3); min-height: 36px; font-size: var(--fs-small); }

/* -------------------------------------------------------------------------
   8. CARDS — signature pattern
   ------------------------------------------------------------------------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: box-shadow 0.15s ease, transform 0.05s ease;
}
.card--interactive {
  text-decoration: none;
  color: inherit;
}
.card--interactive:hover {
  box-shadow: var(--shadow-card-hover);
  color: inherit;
  transform: translateY(-1px);
}
.card__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: var(--space-3);
}
.card__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin: 0 0 var(--space-3);
  line-height: 1.3;
}
.card__body {
  font-size: var(--fs-small);
  color: var(--charcoal);
  margin: 0 0 var(--space-4);
  line-height: 1.55;
}
.card__footer {
  margin-top: auto;
  font-size: var(--fs-small);
  color: var(--gulf-orange);
  font-weight: 500;
}

/* Negation card (used on home + on What HARI is not) */
.card--negation {
  background: var(--white);
  border-left: 3px solid var(--gulf-orange);
}
.card--negation .card__title { color: var(--deep-navy); }
.card--negation .card__title::before {
  content: "Not ";
  color: var(--gulf-orange);
  font-style: italic;
}

/* Highlight card */
.card--highlight {
  background: var(--deep-navy);
  color: var(--white);
  border-color: var(--deep-navy);
}
.card--highlight .card__title { color: var(--white); }
.card--highlight .card__body { color: var(--gulf-powder-blue); }
.card--highlight .card__eyebrow { color: var(--gulf-light-blue); }

/* -------------------------------------------------------------------------
   9. STATE BADGES — ALLOW / DEFER / SYSTEM_UNVERIFIED motif
   ------------------------------------------------------------------------- */
.state-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 999px;
  background: var(--state-unverified-soft);
  color: var(--state-unverified);
  border: 1px solid transparent;
  white-space: nowrap;
}
.state-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--state-unverified);
  flex-shrink: 0;
}
.state-badge--allow { background: var(--state-allow-soft); color: var(--state-allow); }
.state-badge--allow::before { background: var(--state-allow); }
.state-badge--defer { background: var(--state-defer-soft); color: var(--state-defer); }
.state-badge--defer::before { background: var(--state-defer); }
.state-badge--unverified { background: var(--state-unverified-soft); color: var(--state-unverified); }
.state-badge--unverified::before { background: var(--state-unverified); }

/* States visualization (the signature on Home and Core Architecture) */
.states-viz {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 800px) { .states-viz { grid-template-columns: repeat(3, 1fr); } }
.state-tile {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-card);
}
.state-tile__name {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.state-tile__name::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.state-tile--allow .state-tile__name { color: var(--state-allow); }
.state-tile--allow .state-tile__name::before { background: var(--state-allow); }
.state-tile--defer .state-tile__name { color: var(--state-defer); }
.state-tile--defer .state-tile__name::before { background: var(--state-defer); }
.state-tile--unverified .state-tile__name { color: var(--state-unverified); }
.state-tile--unverified .state-tile__name::before { background: var(--state-unverified); }
.state-tile__meaning {
  font-size: var(--fs-small);
  color: var(--charcoal);
  line-height: 1.55;
  margin: 0;
}

/* -------------------------------------------------------------------------
   10. CALLOUTS / KEY PRINCIPLE BOXES
   ------------------------------------------------------------------------- */
.callout {
  background: var(--soft-white);
  border-left: 3px solid var(--deep-navy);
  padding: var(--space-5);
  border-radius: var(--radius-sm);
  margin: var(--space-5) 0;
}
.callout--principle {
  background: var(--white);
  border-left-color: var(--gulf-orange);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--gulf-orange);
}
.callout--warning {
  background: var(--state-defer-soft);
  border-left-color: var(--state-defer);
}
.callout--note {
  background: var(--gulf-powder-blue);
  border-left-color: var(--deep-navy);
}
.callout__label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--deep-navy);
  margin-bottom: var(--space-2);
  display: block;
  font-weight: 600;
}
.callout p:last-child { margin-bottom: 0; }

/* -------------------------------------------------------------------------
   11. TABLES (institutional, used in compliance and other long pages)
   ------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; margin: var(--space-5) 0; }
table.institutional {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
}
table.institutional th, table.institutional td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
table.institutional th {
  background: var(--soft-white);
  font-weight: 600;
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--deep-navy);
}
table.institutional tr:last-child td { border-bottom: 0; }
table.institutional code { font-size: 0.85em; }

/* -------------------------------------------------------------------------
   12. STATUS / COMPLIANCE STRIP
   ------------------------------------------------------------------------- */
.status-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}
@media (min-width: 720px) { .status-strip { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .status-strip { grid-template-columns: repeat(4, 1fr); } }
.status-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-right: var(--space-4);
  border-right: 0;
}
@media (min-width: 1000px) {
  .status-item:not(:last-child) { border-right: 1px solid var(--hairline); }
}
.status-item__label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.status-item__value {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--deep-navy);
  line-height: 1.3;
}
.status-item__sub {
  font-size: var(--fs-micro);
  color: var(--slate);
}

/* -------------------------------------------------------------------------
   13. TIMELINE COMPONENT
   ------------------------------------------------------------------------- */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 11px;
  width: 2px;
  background: var(--gulf-light-blue);
}
.timeline__item {
  position: relative;
  padding-left: var(--space-7);
  padding-bottom: var(--space-6);
  margin: 0;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--deep-navy);
}
.timeline__date {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  color: var(--slate);
  margin-bottom: var(--space-2);
  display: block;
}
.timeline__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--deep-navy);
  margin: 0 0 var(--space-2);
}
.timeline__body { font-size: var(--fs-small); color: var(--charcoal); margin: 0; }

/* -------------------------------------------------------------------------
   14. ANCHOR-LINK SECTION HEADERS / TABLE OF CONTENTS
   ------------------------------------------------------------------------- */
.anchor-h {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  scroll-margin-top: 80px;
}
.anchor-h .num {
  font-family: var(--font-mono);
  font-size: 0.7em;
  color: var(--slate);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.toc {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-7);
  box-shadow: var(--shadow-card);
}
.toc__title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 var(--space-3);
  font-weight: 600;
}
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
  columns: 1;
}
@media (min-width: 720px) { .toc ol { columns: 2; column-gap: var(--space-6); } }
.toc li {
  counter-increment: toc;
  font-size: var(--fs-small);
  padding: var(--space-1) 0;
  break-inside: avoid;
  margin: 0;
}
.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--slate);
  margin-right: var(--space-3);
  font-size: var(--fs-micro);
}
.toc a { color: var(--deep-navy); text-decoration: none; }
.toc a:hover { color: var(--gulf-orange); text-decoration: underline; }

/* -------------------------------------------------------------------------
   15. FOOTER
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--deep-navy);
  color: var(--gulf-powder-blue);
  padding: var(--space-8) 0 var(--space-6);
  font-size: var(--fs-small);
}
.site-footer__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}
@media (min-width: 720px) {
  .site-footer__top { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}
.site-footer__col h4 {
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { margin-bottom: var(--space-2); }
.site-footer__col a {
  color: var(--gulf-powder-blue);
  text-decoration: none;
}
.site-footer__col a:hover { color: var(--white); text-decoration: underline; }
.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-3);
}
.site-footer__tagline {
  color: var(--gulf-powder-blue);
  max-width: 36ch;
  margin: 0 0 var(--space-4);
  font-size: var(--fs-small);
  line-height: 1.55;
}
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-micro);
  color: var(--gulf-powder-blue);
}
.site-footer__bottom code {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--gulf-light-blue);
}

/* -------------------------------------------------------------------------
   16. FORM (contact)
   ------------------------------------------------------------------------- */
.form { max-width: 560px; }
.form__row { margin-bottom: var(--space-5); }
.form label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--deep-navy);
}
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form select,
.form textarea {
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--charcoal);
  background: var(--white);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm);
  min-height: 44px;
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--deep-navy);
  box-shadow: 0 0 0 3px rgba(11, 30, 63, 0.12);
}
.form .help {
  font-size: var(--fs-micro);
  color: var(--slate);
  margin-top: var(--space-2);
}
.form__legal {
  font-size: var(--fs-micro);
  color: var(--slate);
  margin: var(--space-5) 0;
  line-height: 1.5;
}

/* -------------------------------------------------------------------------
   17. DIAGRAMS — inline SVG container styles
   ------------------------------------------------------------------------- */
.figure {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-5) 0;
  box-shadow: var(--shadow-card);
}
.figure svg { width: 100%; height: auto; max-width: 720px; margin: 0 auto; display: block; }
.figure figcaption {
  font-size: var(--fs-small);
  color: var(--slate);
  margin-top: var(--space-3);
  text-align: center;
  font-style: italic;
}

/* Minimalist architectural diagram styles (used inline) */
.diagram-node {
  fill: var(--white);
  stroke: var(--deep-navy);
  stroke-width: 1.5;
}
.diagram-node-active {
  fill: var(--gulf-light-blue);
  stroke: var(--deep-navy);
  stroke-width: 1.5;
}
.diagram-node-accent {
  fill: var(--gulf-orange);
  stroke: var(--deep-navy);
  stroke-width: 1.5;
}
.diagram-text {
  fill: var(--deep-navy);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
}
.diagram-text-mono {
  fill: var(--deep-navy);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.diagram-line {
  stroke: var(--deep-navy);
  stroke-width: 1.5;
  fill: none;
}
.diagram-line-soft { stroke: var(--hairline-strong); stroke-width: 1; fill: none; }

/* -------------------------------------------------------------------------
   18. BACK TO TOP
   ------------------------------------------------------------------------- */
.to-top {
  display: inline-block;
  margin: var(--space-7) 0 0;
  font-size: var(--fs-small);
  color: var(--slate);
  text-decoration: none;
  padding: var(--space-2) 0;
}
.to-top:hover { color: var(--gulf-orange); }
.to-top::before { content: "↑ "; }

/* -------------------------------------------------------------------------
   19. UTILITIES
   ------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.text-mono { font-family: var(--font-mono); }
.text-serif { font-family: var(--font-serif); }
.text-small { font-size: var(--fs-small); }
.text-micro { font-size: var(--fs-micro); }
.text-slate { color: var(--slate); }
.text-navy { color: var(--deep-navy); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* -------------------------------------------------------------------------
   20. PRINT
   ------------------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .nav-toggle, .mobile-nav, .hero__ctas, .to-top { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  .section, .hero { padding: 1cm 0; background: #fff; color: #000; }
  .card { border: 1px solid #999; box-shadow: none; }
}

/* -------------------------------------------------------------------------
   21. REDUCED MOTION
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}


/* BRAND OVERRIDE */
.site-header__brand span:not(.mark){font-size:0;letter-spacing:0;}
.site-header__brand span:not(.mark)::before{content:"HARI \00B7  DETERMINISTIC AI GOVERNANCE";font-family:var(--font-serif);font-size:0.95rem;font-weight:600;letter-spacing:0.04em;color:var(--deep-navy);white-space:nowrap;display:inline-block;}
@media (max-width:720px){.site-header__brand span:not(.mark)::before{font-size:0.7rem;letter-spacing:0.02em;}}
.site-footer__brand{font-size:0;}
.site-footer__brand::before{content:"HARI \00B7  DETERMINISTIC AI GOVERNANCE";font-family:var(--font-serif);font-size:1rem;font-weight:600;letter-spacing:0.04em;color:var(--white);}