/* ============================================================
   danialh.com — Suisse typography system
   ============================================================ */

@font-face {
  font-family: "Suisse Intl";
  src: url("/fonts/SuisseIntl-Thin.eot");
  src:
    url("/fonts/SuisseIntl-Thin.eot?#iefix") format("embedded-opentype"),
    url("/fonts/SuisseIntl-Thin.otf") format("opentype");
  font-style: normal;
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: "Suisse Intl";
  src: url("/fonts/SuisseIntl-Light.otf") format("opentype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Suisse Intl";
  src: url("/fonts/SuisseIntl-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Suisse Intl";
  src: url("/fonts/SuisseIntl-SemiBold.otf") format("opentype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --paper: #161310;
  --paper-raised: #1f1b16;
  --ink: #ece4d4;
  --ink-soft: #b5a994;
  --ink-faint: #7d7363;
  --rule: rgba(236, 228, 212, 0.16);
  --rule-strong: rgba(236, 228, 212, 0.55);
  --accent: #f06a2d;
  --accent-soft: rgba(240, 106, 45, 0.12);
  --selection: rgba(240, 106, 45, 0.25);

  --font-display: "Suisse Intl", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Suisse Intl", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Suisse Intl", "Helvetica Neue", Arial, sans-serif;

  --w-text: 44rem;
  --w-wide: 64rem;
}

[data-theme="light"] {
  --paper: #faf6ef;
  --paper-raised: #f3ede1;
  --ink: #1b1712;
  --ink-soft: #4a4238;
  --ink-faint: #8a7f70;
  --rule: rgba(27, 23, 18, 0.16);
  --rule-strong: rgba(27, 23, 18, 0.55);
  --accent: #bf3b12;
  --accent-soft: rgba(191, 59, 18, 0.09);
  --selection: rgba(191, 59, 18, 0.18);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.1875rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--selection); }

a { color: inherit; }

/* ---------- shell ---------- */

.shell {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding-block: 1.4rem;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

.wordmark .tld { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: baseline;
  gap: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  white-space: nowrap;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--rule-strong); }

.theme-toggle {
  appearance: none;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover { color: var(--ink); border-color: var(--rule-strong); }

.theme-toggle .when-dark { display: none; }
[data-theme="dark"] .theme-toggle .when-dark { display: inline; }
[data-theme="dark"] .theme-toggle .when-light { display: none; }

/* ---------- hero ---------- */

.hero {
  padding-block: 7rem 5rem;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.75rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 17ch;
  text-wrap: balance;
}

.hero h1 em {
  font-style: normal;
  font-weight: 300;
  color: var(--accent);
}

.byline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  margin: 2.25rem 0 0;
  max-width: 52rem;
}

.byline .sep { color: var(--ink-faint); padding: 0 0.45rem; }

.hero__lede {
  font-size: 1.3rem;
  line-height: 1.6;
  max-width: var(--w-text);
  margin: 2.25rem 0 0;
  color: var(--ink-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.75rem;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--rule-strong);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn--primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- sections ---------- */

.section {
  border-top: 1px solid var(--rule);
  padding-block: 4.5rem;
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.section__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.section__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

.section > p, .prose p {
  max-width: var(--w-text);
}

.section__lede {
  max-width: var(--w-text);
  color: var(--ink-soft);
  font-size: 1.2rem;
  line-height: 1.6;
  margin: -1rem 0 2.5rem;
}

.prose p { margin: 0 0 1.4rem; }
.prose p:last-child { margin-bottom: 0; }

.prose a, .section p a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease;
}

.prose a:hover, .section p a:hover { color: var(--accent); }

/* ---------- ledger (engagement tracks / lists) ---------- */

.ledger { border-top: 1px solid var(--rule-strong); }

.ledger__row {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.5rem;
  padding: 2.1rem 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: padding-left 0.25s ease;
}

a.ledger__row:hover { padding-left: 0.75rem; }
a.ledger__row:hover .ledger__title { color: var(--accent); }

.ledger__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  padding-top: 0.5rem;
}

.ledger__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

.ledger__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.8rem;
}

.ledger__body {
  margin: 0;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.ledger__list {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 38rem;
}

.ledger__list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.4rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.ledger__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  top: 0.5rem;
}

/* ---------- proof grid ---------- */

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.proof-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
}

.proof-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.proof-card__visual {
  position: relative;
  min-height: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid rgba(236, 228, 212, 0.18);
  background: #0d0c0b;
  color: #f2eadb;
}

.proof-card--featured .proof-card__visual {
  min-height: 23rem;
  aspect-ratio: auto;
  border-right: 1px solid rgba(236, 228, 212, 0.18);
  border-bottom: 0;
}

.proof-card__content {
  padding: 1.35rem;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.proof-card--featured .proof-card__content {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  justify-content: flex-end;
}

.proof-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.35;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.6rem;
}

.proof-card__meta span:last-child {
  color: var(--ink-faint);
  text-align: right;
}

.proof-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.25vw, 1.75rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  max-width: 19ch;
}

.proof-card__body {
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.5;
  margin: auto 0 0;
}

.proof-card__visual--aws {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(circle at 78% 34%, rgba(240, 106, 45, 0.28) 0 1px, transparent 2px),
    radial-gradient(circle at 78% 34%, transparent 0 4.7rem, rgba(240, 106, 45, 0.5) 4.75rem 4.85rem, transparent 4.9rem),
    linear-gradient(135deg, #0b0a09 0%, #17110d 100%);
  background-size: 16px 16px, auto, auto;
}

.proof-card__visual--aws::after {
  content: "";
  position: absolute;
  width: 11rem;
  aspect-ratio: 1;
  right: 3rem;
  top: 50%;
  border: 1px solid rgba(240, 106, 45, 0.72);
  border-radius: 50%;
  transform: translateY(-50%);
}

.proof-card__visual-kicker {
  position: relative;
  z-index: 1;
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.proof-card__visual-title {
  position: relative;
  z-index: 1;
  max-width: 10ch;
  font-size: clamp(2rem, 5vw, 4.25rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.proof-card__visual-mark {
  position: absolute;
  z-index: 1;
  right: 6.45rem;
  top: 50%;
  transform: translate(50%, -50%);
  color: var(--accent);
  font-size: 2.6rem;
  font-weight: 100;
}

.proof-card__visual--metric {
  padding: 1.35rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  background:
    radial-gradient(circle, rgba(240, 106, 45, 0.42) 1px, transparent 1.5px) 100% 0 / 16px 16px,
    #0d0c0b;
}

.proof-card__metric {
  font-size: clamp(4rem, 8vw, 6.5rem);
  font-weight: 100;
  line-height: 0.8;
  letter-spacing: -0.07em;
  color: var(--accent);
}

.proof-card__metric-label {
  font-size: 0.68rem;
  line-height: 1.35;
  letter-spacing: 0.09em;
  text-align: right;
  text-transform: uppercase;
  color: #a89f90;
}

.proof-card__visual--system::before,
.proof-card__visual--system::after {
  content: "";
  position: absolute;
  inset: 50% 12%;
  height: 1px;
  background: rgba(240, 106, 45, 0.55);
  transform-origin: center;
}

.proof-card__visual--system::after { transform: rotate(32deg); }

.system-node {
  position: absolute;
  z-index: 1;
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(236, 228, 212, 0.32);
  background: #171411;
  color: #bdb3a3;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-node--context { left: 9%; top: 20%; }
.system-node--agent { left: 42%; top: 44%; color: var(--accent); border-color: var(--accent); }
.system-node--tools { right: 8%; top: 22%; }
.system-node--review { right: 12%; bottom: 17%; }

.proof-card__visual--image img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}

.proof-card__visual--photo img {
  object-fit: cover;
  object-position: center 48%;
}

.proof-card__visual--portrait {
  background: #090713;
}

.proof-card__visual--portrait img {
  object-fit: cover;
  object-position: center 74%;
}

/* ---------- track cards on work page ---------- */

.track {
  border-top: 1px solid var(--rule-strong);
  padding: 3.25rem 0 3.75rem;
}

.track__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.track__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0 0 1.4rem;
  max-width: 22ch;
}

.track__cols {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 3rem;
}

.track__fit {
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
}

.track__fit h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.9rem;
}

.track__fit ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.track__fit li {
  padding: 0.4rem 0;
  font-size: 1rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
}

.track__fit li:last-child { border-bottom: none; }

/* ---------- contact band ---------- */

.contact {
  border-top: 1px solid var(--rule-strong);
  padding-block: 5.5rem 6rem;
}

.contact h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.contact h2 em { font-style: normal; color: var(--accent); }

.contact p {
  max-width: var(--w-text);
  color: var(--ink-soft);
  margin: 0 0 2.25rem;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 3rem 3.5rem;
}

.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  align-items: baseline;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}

.site-footer nav a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.site-footer nav a:hover { color: var(--accent); }

.site-footer__colophon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* ---------- page intro (subpages) ---------- */

.page-intro { padding-block: 5.5rem 4rem; }

.page-intro h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 5.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 1.75rem;
  max-width: 16ch;
  text-wrap: balance;
}

.page-intro h1 em { font-style: normal; color: var(--accent); }

.page-intro p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: var(--w-text);
  margin: 0;
}

/* ---------- load animation ---------- */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    transform: translateY(14px);
    animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }
  .reveal:nth-child(1) { animation-delay: 0.05s; }
  .reveal:nth-child(2) { animation-delay: 0.14s; }
  .reveal:nth-child(3) { animation-delay: 0.23s; }
  .reveal:nth-child(4) { animation-delay: 0.32s; }
  .reveal:nth-child(5) { animation-delay: 0.41s; }

  @keyframes rise {
    to { transform: none; }
  }
}

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  body { font-size: 1.1rem; }
  .hero { padding-block: 4.5rem 3.5rem; }
  .page-intro { padding-block: 3.5rem 3rem; }
  .section { padding-block: 3.25rem; }
  .track__cols { grid-template-columns: 1fr; gap: 2rem; }
  .ledger__row { grid-template-columns: 1fr; gap: 0.4rem; }
  .ledger__num { padding-top: 0; }
  .section__lede { margin-top: -1.25rem; }
  .proof-grid { grid-template-columns: 1fr; gap: 0.9rem; }
  .proof-card--featured { grid-column: auto; grid-template-columns: 1fr; }
  .proof-card--featured .proof-card__visual { min-height: 18rem; border-right: 0; border-bottom: 1px solid rgba(236, 228, 212, 0.18); }
  .proof-card--featured .proof-card__content { padding: 1.35rem; }
  .proof-card__title { max-width: none; }
  .site-header__inner { align-items: flex-start; }
  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.7rem 1rem;
    font-size: 0.72rem;
  }
  .theme-toggle { padding: 0.25rem 0.65rem; }
  .byline .sep { display: inline-block; }
}

/* ============================================================
   Navy Field Notes — canonical site system
   ============================================================ */

:root {
  --navy-950: #061321;
  --navy-900: #0a1b2d;
  --navy-800: #102a40;
  --navy-700: #173b55;
  --teal-400: #55e0d2;
  --teal-300: #8af3e7;
  --paper: #061321;
  --paper-raised: #0a1b2d;
  --ink: #eaf4f7;
  --ink-soft: #9bb4c7;
  --ink-faint: #6f8ba0;
  --accent: #55e0d2;
  --accent-soft: rgba(85, 224, 210, 0.14);
  --rule: rgba(234, 244, 247, 0.18);
  --rule-strong: rgba(85, 224, 210, 0.48);
  --selection: rgba(85, 224, 210, 0.28);
  --signal: #ffb36b;
  --w-wide: 80rem;
}

[data-theme="light"] {
  --paper: #f4fafb;
  --paper-raised: #e8f3f5;
  --ink: #082033;
  --ink-soft: #456b80;
  --ink-faint: #6f8ba0;
  --accent: #087f76;
  --accent-soft: rgba(8, 127, 118, 0.12);
  --rule: rgba(8, 32, 51, 0.18);
  --rule-strong: rgba(8, 127, 118, 0.48);
  --selection: rgba(8, 127, 118, 0.2);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

body::before { display: none; }

.shell {
  max-width: var(--w-wide);
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.site-header,
.site-footer,
.section,
.contact { border-color: var(--rule); }

.site-header__inner { padding-block: 1.15rem; }
.wordmark .tld,
.kicker,
.section__num,
.ledger__meta,
.track__label,
.story-meta,
.article__byline,
.back-link { color: var(--accent); }

.site-nav a,
.site-footer nav a { color: var(--ink-soft); }
.site-nav a:hover,
.site-footer nav a:hover,
.prose a:hover,
.section p a:hover { color: var(--accent); }

.hero h1,
.section__title,
.page-intro h1,
.contact h2,
.writing-hero h1,
.article__header h1,
.proof-card__title,
.ledger__title,
.track__title { color: var(--ink); }

.hero h1 em,
.contact h2 em,
.page-intro h1 em,
.writing-hero h1 em,
.article__body h2 { color: var(--accent); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--navy-950);
}

.btn--primary:hover {
  background: var(--teal-300);
  border-color: var(--teal-300);
  color: var(--navy-950);
}

.btn--ghost {
  border-color: var(--rule-strong);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.proof-card,
.ledger__row,
.featured-story,
.story-card { border-color: var(--rule); background: var(--paper-raised); }

.proof-card__visual {
  border-color: var(--rule);
  background: var(--navy-950);
  color: var(--ink);
}

.proof-card__visual--aws {
  background:
    radial-gradient(circle at 78% 34%, rgba(85, 224, 210, 0.34) 0 1px, transparent 2px),
    radial-gradient(circle at 78% 34%, transparent 0 4.7rem, rgba(85, 224, 210, 0.52) 4.75rem 4.85rem, transparent 4.9rem),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
}

.proof-card__visual--aws::after { border-color: var(--accent); }
.proof-card__visual--metric {
  background:
    radial-gradient(circle, rgba(85, 224, 210, 0.3) 1px, transparent 1.5px) 100% 0 / 16px 16px,
    var(--navy-950);
}
.proof-card__visual--system::before,
.proof-card__visual--system::after { background: rgba(85, 224, 210, 0.55); }
.proof-card__visual--portrait { background: var(--navy-950); }
.system-node { border-color: var(--rule-strong); background: var(--navy-900); color: var(--ink-soft); }
.proof-card__metric { color: var(--accent); }
.proof-card__metric-label { color: var(--ink-soft); }

.theme-toggle {
  border-color: var(--rule-strong);
  color: var(--ink-soft);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.hero__portrait {
  border-color: transparent;
  background: transparent;
}
.hero__portrait::before {
  display: none;
}
.hero__portrait img {
  border-color: transparent;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.32);
}

.site--main .hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(15rem, 0.85fr);
  align-items: start;
  gap: clamp(2rem, 7vw, 6rem);
}
.site--main .hero__copy { min-width: 0; }
.site--main .hero__portrait {
  position: relative;
  display: grid;
  place-items: center;
  align-self: start;
  width: var(--hero-headline-size, clamp(15rem, 25vw, 20rem));
  height: var(--hero-headline-size, clamp(15rem, 25vw, 20rem));
  min-height: 0;
  margin: var(--hero-headline-offset, 3rem) auto 0;
  overflow: visible;
  background: transparent;
}
.site--main .hero__portrait img {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  margin: 0;
  border: 0;
  border-radius: 50%;
  object-fit: cover;
}
.site--main .hero__portrait figcaption { display: none; }

a:focus-visible,
button:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 720px) {
  .site--main .hero { grid-template-columns: 1fr; align-items: start; gap: 2.25rem; }
  .site--main .hero__portrait { align-self: start; width: min(68vw, 15rem); height: min(68vw, 15rem); min-height: 0; max-width: 29rem; margin: 0 auto; }
  .site--main .hero__portrait img { width: 100%; height: 100%; aspect-ratio: 1; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}