:root {
  --navy-950: #062a47;
  --navy-900: #0c3e67;
  --navy-800: #12527f;
  --navy-700: #196793;
  --teal-500: #19a6c9;
  --teal-100: #dff5fa;
  --green-500: #2eaf53;
  --green-100: #e6f6ea;
  --ink: #122331;
  --muted: #526879;
  --line: #d7e1e8;
  --line-strong: #b8c8d3;
  --paper: #ffffff;
  --wash: #f3f7f9;
  --wash-blue: #edf5f8;
  --shadow: 0 24px 60px rgba(6, 42, 71, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shell: 1180px;
  --header-h: 76px;

  /* --- Escala tipográfica ------------------------------------------------
     Razão progressiva: apertada no texto, aberta no display.
     Substitui 19 tamanhos arbitrários (8px–52px) por 9 degraus nomeados.  */
  --t-micro: 0.6875rem;    /* 11.0px — rótulos caixa-alta, kickers        */
  --t-caption: 0.78125rem; /* 12.5px — legendas, metadados                */
  --t-small: 0.875rem;     /* 14.0px — texto de apoio                     */
  --t-base: 1rem;          /* 16.0px — corpo                              */
  --t-md: 1.125rem;        /* 18.0px — corpo destacado                    */
  --t-lg: 1.3125rem;       /* 21.0px — lide                               */
  --t-xl: 1.5625rem;       /* 25.0px — título de cartão                   */
  --t-2xl: 1.9375rem;      /* 31.0px — título de cartão primário          */
  --t-3xl: clamp(2.25rem, 3.4vw, 3.25rem);   /* 36→52px                   */
  --t-display-sm: clamp(1.5rem, 2.4vw, 2rem);    /* 24→32px               */
  --t-display-md: clamp(2.25rem, 4vw, 4rem);     /* 36→64px               */
  --t-display-lg: clamp(3.15rem, 6vw, 5.7rem);   /* 50→91px               */

  /* --- Alturas de linha (11 valores avulsos -> 6 papéis nomeados) ------- */
  --lh-display: 1.02;
  --lh-tight: 1.14;
  --lh-snug: 1.22;
  --lh-heading: 1.38;
  --lh-text: 1.55;
  --lh-body: 1.68;

  /* --- Ritmo de espaçamento (base 4px) ---------------------------------- */
  --s-1: 4px;   --s-2: 8px;   --s-3: 12px;  --s-4: 16px;
  --s-5: 20px;  --s-6: 24px;  --s-7: 28px;  --s-8: 32px;
  --s-9: 36px;  --s-10: 40px; --s-12: 48px; --s-14: 56px;
  --s-16: 64px; --s-18: 72px; --s-22: 88px; --s-28: 112px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--t-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.section {
  padding: 112px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--navy-900);
  font-weight: 700;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
}

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

:focus-visible {
  outline: 3px solid rgba(25, 166, 201, 0.55);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-h);
  color: var(--paper);
  transition: background 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  color: var(--navy-950);
  box-shadow: 0 1px 0 rgba(12, 62, 103, 0.1), 0 10px 32px rgba(6, 42, 71, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 12px 4px 12px 4px;
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: currentColor;
  opacity: 0.24;
}

.brand-mark::before {
  width: 1px;
  height: 150%;
  transform: rotate(35deg);
}

.brand-mark::after {
  width: 150%;
  height: 1px;
  transform: rotate(-20deg);
}

.brand-mark span {
  position: relative;
  z-index: 1;
  font-size: var(--t-md);
  font-weight: 800;
  letter-spacing: -0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: var(--lh-display);
}

.brand-copy strong {
  font-size: var(--t-base);
  letter-spacing: 0.18em;
}

.brand-copy small {
  margin-top: 5px;
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: 0.055em;
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  color: inherit;
  text-decoration: none;
  font-size: var(--t-caption);
  font-weight: 650;
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 -8px;
  height: 2px;
  background: var(--teal-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: inherit;
  text-decoration: none;
  font-size: var(--t-caption);
  font-weight: 750;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.header-cta:hover {
  color: var(--navy-950);
  background: var(--paper);
  border-color: var(--paper);
}

.site-header.is-scrolled .header-cta:hover {
  color: var(--paper);
  background: var(--navy-900);
  border-color: var(--navy-900);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 10px;
  border: 1px solid currentColor;
  border-radius: 10px;
  background: transparent;
  color: inherit;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1.5px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  position: relative;
  min-height: 820px;
  padding: 172px 0 112px;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 83% 17%, rgba(25, 166, 201, 0.34), transparent 27%),
    radial-gradient(circle at 70% 78%, rgba(46, 175, 83, 0.14), transparent 30%),
    linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 56%, #0b496e 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -220px;
  bottom: -300px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255, 255, 255, 0.025), 0 0 0 160px rgba(255, 255, 255, 0.018);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255,255,255,0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.18) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, transparent 2%, black 45%, black 100%);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: 76px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #c9edf5;
}

.eyebrow span {
  width: 26px;
  height: 2px;
  background: var(--green-500);
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: var(--t-display-lg);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: var(--lh-display);
}

.hero h1 em {
  color: #c8edf4;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.045em;
}

.hero-lede {
  max-width: 720px;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: var(--t-md);
  line-height: var(--lh-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: var(--t-caption);
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--navy-950);
  background: var(--paper);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.button-primary:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
}

.button-secondary {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.05);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.11);
}

.hero-facts {
  display: flex;
  gap: 32px;
  margin: 48px 0 0;
  padding: 32px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
}

.hero-facts div {
  max-width: 150px;
}

.hero-facts dt {
  margin: 0;
  color: var(--paper);
  font-size: var(--t-xl);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero-facts dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: var(--t-micro);
  line-height: var(--lh-heading);
}

.hero-system {
  position: relative;
  min-height: 480px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px 28px 4px 28px;
  background: rgba(6, 42, 71, 0.38);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.system-head,
.system-foot {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  color: rgba(255, 255, 255, 0.62);
  font-size: var(--t-micro);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-head {
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.system-live {
  display: flex;
  align-items: center;
  gap: 7px;
}

.system-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 5px rgba(46, 175, 83, 0.12);
}

.system-foot {
  bottom: 0;
  justify-content: center;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.system-foot b {
  color: var(--green-500);
}

.system-core {
  position: absolute;
  inset: 55px 0 47px;
}

.core-mark {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 126px;
  height: 126px;
  border: 1px solid rgba(255,255,255,0.58);
  border-radius: 50%;
  background: rgba(12, 62, 103, 0.82);
  box-shadow: 0 0 0 14px rgba(25, 166, 201, 0.07), 0 0 50px rgba(25, 166, 201, 0.24);
  transform: translate(-50%, -50%);
}

.core-mark span {
  font-size: var(--t-xl);
  font-weight: 850;
  letter-spacing: 0.13em;
}

.core-mark small {
  margin-top: 2px;
  color: #b7e9f2;
  font-size: var(--t-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 260px;
  height: 260px;
}

.orbit-two {
  width: 360px;
  height: 360px;
  border-style: dashed;
  opacity: 0.52;
}

.node {
  position: absolute;
  z-index: 2;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(6, 42, 71, 0.86);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--t-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.node::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--teal-500);
}

.node-a { top: 16%; left: 20%; }
.node-b { top: 23%; right: 13%; }
.node-c { bottom: 19%; left: 12%; }
.node-d { right: 18%; bottom: 14%; }

.section-kicker {
  color: var(--teal-500);
}

.thesis {
  border-bottom: 1px solid var(--line);
}

.thesis-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 100px;
}

.thesis h2,
.section-heading h2,
.partnership-copy h2,
.founder h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: var(--t-display-md);
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: var(--lh-tight);
}

.thesis-copy p {
  color: var(--muted);
}

.thesis-copy .lead {
  margin: 0 0 24px;
  color: var(--ink);
  font-size: var(--t-lg);
  line-height: var(--lh-text);
}

.principle-callout {
  margin-top: 36px;
  padding: 24px 28px;
  border-left: 3px solid var(--green-500);
  background: var(--wash);
}

.principle-callout span {
  display: block;
  margin-bottom: 8px;
  color: var(--green-500);
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.principle-callout strong {
  display: block;
  color: var(--navy-950);
  font-size: var(--t-base);
  line-height: var(--lh-text);
}

.fronts {
  background: var(--wash);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
  gap: 72px;
  margin-bottom: 56px;
}

.section-heading > p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: var(--t-small);
}

.front-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.front-card {
  position: relative;
  grid-column: span 4;
  min-height: 290px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.front-card:hover {
  transform: translateY(-4px);
  border-color: rgba(25, 166, 201, 0.65);
  box-shadow: 0 18px 42px rgba(6, 42, 71, 0.08);
}

.front-primary {
  grid-column: span 8;
  color: var(--paper);
  background: var(--navy-900);
  border-color: var(--navy-900);
}

.front-primary::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 50px rgba(255, 255, 255, 0.025);
}

.front-lab {
  background: transparent;
  border-style: dashed;
}

.front-index {
  display: block;
  margin-bottom: 36px;
  color: var(--teal-500);
  font-size: var(--t-caption);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.front-primary .front-index {
  color: #a8e0ec;
}

.front-label {
  margin: 0 0 8px;
  color: var(--green-500);
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.front-card h3 {
  max-width: 420px;
  margin: 0 0 12px;
  color: var(--navy-950);
  font-size: var(--t-xl);
  letter-spacing: -0.035em;
  line-height: var(--lh-snug);
}

.front-primary h3 {
  color: var(--paper);
  font-size: var(--t-2xl);
}

.front-card > p:not(.front-label) {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
  font-size: var(--t-small);
}

.front-primary > p:not(.front-label) {
  color: rgba(255, 255, 255, 0.7);
}

.front-card ul {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.front-card li {
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--t-micro);
}

.portfolio {
  background: var(--paper);
}

.portfolio-heading {
  margin-bottom: 32px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.filter {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--muted);
  font-size: var(--t-micro);
  font-weight: 750;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.filter:hover,
.filter.is-active {
  color: var(--paper);
  border-color: var(--navy-900);
  background: var(--navy-900);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 20px 46px rgba(6, 42, 71, 0.1);
}

.project-card.is-featured {
  color: var(--paper);
  background:
    radial-gradient(circle at 90% 10%, rgba(25, 166, 201, 0.28), transparent 35%),
    var(--navy-950);
  border-color: var(--navy-950);
}

.project-card[hidden] {
  display: none;
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.project-num {
  color: var(--teal-500);
  font-size: var(--t-caption);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-500);
}

.status-badge.is-beta::before {
  background: #d89a2b;
}

.status-badge.is-reserved::before {
  background: var(--teal-500);
}

.is-featured .status-badge {
  color: rgba(255, 255, 255, 0.72);
  border-color: rgba(255, 255, 255, 0.2);
}

.project-kicker {
  margin: 60px 0 8px;
  color: var(--teal-500);
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-card h3 {
  margin: 0 0 15px;
  color: var(--navy-950);
  font-size: var(--t-display-sm);
  letter-spacing: -0.045em;
  line-height: var(--lh-tight);
}

.project-card.is-featured h3 {
  color: var(--paper);
}

.project-description {
  margin: 0;
  color: var(--muted);
  font-size: var(--t-small);
}

.is-featured .project-description {
  color: rgba(255, 255, 255, 0.68);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.project-meta li {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--wash-blue);
  color: var(--navy-800);
  font-size: var(--t-micro);
  font-weight: 750;
}

.is-featured .project-meta li {
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.09);
}

.project-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 17px;
  margin-top: auto;
  padding-top: 32px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--navy-900);
  text-decoration: none;
  font-size: var(--t-micro);
  font-weight: 800;
}

.is-featured .project-link {
  color: #bfe9f2;
}

.project-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.project-lock {
  color: var(--muted);
  font-size: var(--t-micro);
  font-weight: 750;
}

.is-featured .project-lock {
  color: rgba(255, 255, 255, 0.56);
}

.loading-state,
.error-state {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.method {
  color: var(--paper);
  background: var(--navy-950);
}

.method .section-kicker {
  color: #8dd9e9;
}

.method .section-heading h2 {
  color: var(--paper);
}

.method .section-heading > p {
  color: rgba(255, 255, 255, 0.59);
}

.method-flow {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  list-style: none;
}

.method-flow li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.method-flow li > span {
  color: var(--teal-500);
  font-size: var(--t-caption);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.method-flow div {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1fr);
  gap: 40px;
}

.method-flow strong {
  color: var(--paper);
  font-size: var(--t-base);
}

.method-flow p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--t-caption);
}

.method-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 56px;
}

.method-notes article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
}

.method-notes span {
  color: var(--green-500);
  font-size: var(--t-micro);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.method-notes h3 {
  margin: 44px 0 11px;
  color: var(--paper);
  font-size: var(--t-lg);
  line-height: var(--lh-snug);
}

.method-notes p {
  margin: 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: var(--t-caption);
}

.partnerships {
  background: var(--teal-500);
}

.partnership-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, 0.8fr);
  align-items: center;
  gap: 92px;
}

.partnerships .section-kicker {
  color: var(--navy-950);
}

.partnership-copy h2 {
  color: var(--navy-950);
}

.partnership-copy > p:not(.section-kicker) {
  max-width: 650px;
  margin: 28px 0 32px;
  color: rgba(6, 42, 71, 0.78);
  font-size: var(--t-base);
}

.button-light {
  color: var(--paper);
  background: var(--navy-950);
  box-shadow: 0 14px 34px rgba(6, 42, 71, 0.18);
}

.partner-panel {
  padding: 32px;
  border: 1px solid rgba(6, 42, 71, 0.17);
  border-radius: 4px 24px 4px 24px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 24px 60px rgba(6, 42, 71, 0.12);
}

.panel-title {
  margin: 0 0 24px;
  color: var(--navy-950);
  font-size: var(--t-caption);
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

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

.partner-panel li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(12, 62, 103, 0.13);
}

.partner-panel li > span {
  color: var(--teal-500);
  font-size: var(--t-micro);
  font-weight: 800;
}

.partner-panel strong,
.partner-panel small {
  display: block;
}

.partner-panel strong {
  color: var(--navy-950);
  font-size: var(--t-caption);
}

.partner-panel small {
  margin-top: 2px;
  color: var(--muted);
  font-size: var(--t-micro);
}

.founder {
  background: var(--paper);
}

.founder-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 700px);
  align-items: center;
  justify-content: center;
  gap: 72px;
}

.founder-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 300px;
  height: 240px;
  margin: 0;
  padding: 36px 28px;
  border: 1px solid var(--line);
  border-radius: 4px 36px 4px 36px;
  background:
    radial-gradient(circle at 50% 50%, rgba(46, 175, 83, 0.09), transparent 58%),
    var(--wash);
  isolation: isolate;
  overflow: hidden;
}

.founder-mark::before {
  content: "";
  position: absolute;
  width: 188px;
  height: 188px;
  border: 1px solid rgba(12, 62, 103, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 30px rgba(25, 166, 201, 0.035);
}

.founder-mark::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 150%;
  background: rgba(25, 166, 201, 0.18);
  transform: rotate(45deg);
}

.founder-mark img {
  position: relative;
  z-index: 1;
  display: block;
  width: min(100%, 244px);
  height: auto;
  filter: drop-shadow(0 8px 16px rgba(6, 42, 71, 0.08));
}

.founder h2 {
  font-size: var(--t-3xl);
}

.founder-role {
  margin: 7px 0 24px;
  color: var(--teal-500);
  font-size: var(--t-caption);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.founder-layout > div:last-child > p:not(.section-kicker):not(.founder-role) {
  margin: 0;
  color: var(--muted);
  font-size: var(--t-base);
}

.founder-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 28px;
}

.founder-links a {
  color: var(--navy-900);
  text-decoration: none;
  font-size: var(--t-caption);
  font-weight: 800;
}

.founder-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  padding: 64px 0 24px;
  color: rgba(255, 255, 255, 0.7);
  background: #051f34;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.2fr auto;
  align-items: start;
  gap: 40px;
}

.footer-brand {
  color: var(--paper);
}

.footer-layout p {
  margin: 0;
  font-size: var(--t-micro);
  line-height: var(--lh-body);
}

.footer-layout p strong {
  color: var(--paper);
}

.footer-link {
  color: #9edce8;
  text-decoration: none;
  font-size: var(--t-micro);
  font-weight: 800;
}

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  margin-top: 52px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.38);
  font-size: var(--t-micro);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (max-width: 1050px) {
  .site-nav {
    gap: 15px;
  }

  .site-nav a {
    font-size: var(--t-caption);
  }

  .header-cta {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 7vw, 5rem);
  }

  .front-primary {
    grid-column: span 8;
  }

  .front-card {
    grid-column: span 4;
  }

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

@media (max-width: 860px) {
  :root {
    --header-h: 68px;
  }

  .shell {
    width: min(calc(100% - 36px), var(--shell));
  }

  .section {
    padding: 84px 0;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    gap: 0;
    margin: 0;
    padding: 14px 18px 24px;
    color: var(--navy-950);
    background: var(--paper);
    border-top: 1px solid var(--line);
    box-shadow: 0 30px 40px rgba(6, 42, 71, 0.14);
    transform: translateY(-130%);
    visibility: hidden;
    transition: transform 0.22s ease, visibility 0.22s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 15px 8px;
    border-bottom: 1px solid var(--line);
    font-size: var(--t-small);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-header:has(.site-nav.is-open) {
    color: var(--navy-950);
    background: var(--paper);
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(4) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    padding: 132px 0 84px;
  }

  .hero-layout,
  .thesis-layout,
  .section-heading,
  .partnership-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    gap: 60px;
  }

  .hero-system {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .thesis-layout,
  .section-heading,
  .partnership-layout {
    gap: 40px;
  }

  .front-primary,
  .front-card {
    grid-column: span 6;
  }

  .project-grid,
  .method-notes {
    grid-template-columns: 1fr;
  }

  .method-flow div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .founder-layout {
    grid-template-columns: 250px 1fr;
    gap: 44px;
  }

  .founder-mark {
    width: 250px;
    height: 210px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .section {
    padding: 72px 0;
  }

  .brand-copy small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 15vw, 4.15rem);
  }

  .hero-lede {
    font-size: var(--t-base);
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .hero-facts div {
    max-width: none;
  }

  .hero-facts dt {
    font-size: var(--t-lg);
  }

  .hero-system {
    min-height: 400px;
  }

  .orbit-two {
    width: 300px;
    height: 300px;
  }

  .node-a { top: 16%; left: 8%; }
  .node-b { right: 5%; }
  .node-c { left: 3%; }
  .node-d { right: 5%; }

  .thesis h2,
  .section-heading h2,
  .partnership-copy h2,
  .founder h2 {
    font-size: clamp(2.15rem, 11vw, 3.25rem);
  }

  .thesis-copy .lead {
    font-size: var(--t-md);
  }

  .front-primary,
  .front-card {
    grid-column: 1 / -1;
  }

  .front-card {
    min-height: 260px;
  }

  .project-card {
    min-height: 430px;
    padding: 24px;
  }

  .method-flow li {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .partner-panel {
    padding: 24px;
  }

  .founder-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .founder-mark {
    width: 100%;
    height: 190px;
  }

  .founder-mark img {
    width: min(82%, 244px);
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-base {
    flex-direction: column;
    gap: 8px;
  }
}

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

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