:root {
  --navy: #0b1422;
  --navy-deep: #070d16;
  --navy-soft: #152235;
  --off-white: #f4f4f1;
  --paper: #fafaf7;
  --white: #ffffff;
  --brass: #b79963;
  --brass-light: #d1b27c;
  --ink: #111b28;
  --muted: #647080;
  --line: #d9d8d1;
  --line-dark: rgba(244, 244, 241, 0.17);
  --max: 1280px;
  --serif: "Iowan Old Style", Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }

button, input, select, textarea { font: inherit; }

.container {
  width: min(var(--max), calc(100% - 64px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  color: var(--off-white);
  background: rgba(11, 20, 34, 0.98);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(16px);
}

.nav-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
  color: var(--off-white);
}

.brand-monogram {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: -0.04em;
}

.brand-rule {
  width: 1px;
  height: 52px;
  margin: 0 17px;
  background: var(--brass);
}

.brand-name {
  display: grid;
  gap: 4px;
  font-size: 11px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand-name span:last-child { color: var(--brass-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.nav-links > a:not(.btn) {
  position: relative;
  padding: 8px 0;
  color: rgba(244, 244, 241, 0.8);
}

.nav-links > a:not(.btn)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links > a:not(.btn):hover,
.nav-links > a:not(.btn).active { color: var(--off-white); }

.nav-links > a:not(.btn):hover::after,
.nav-links > a:not(.btn).active::after { transform: scaleX(1); }

.menu-btn {
  display: none;
  padding: 10px 0;
  color: var(--off-white);
  background: transparent;
  border: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn-primary {
  color: var(--navy);
  background: var(--brass-light);
  border-color: var(--brass-light);
}

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

.btn-ghost {
  color: var(--off-white);
  background: rgba(11, 20, 34, 0.3);
  border-color: rgba(244, 244, 241, 0.58);
}

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

.btn-dark {
  color: var(--off-white);
  background: var(--navy);
  border-color: var(--navy);
}

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

.eyebrow {
  margin-bottom: 17px;
  color: var(--brass);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, .quote {
  margin-top: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.025em;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(38px, 4.2vw, 62px);
  line-height: 1.03;
}

h3 {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.12;
}

p { margin-top: 0; }

.lede {
  font-size: 18px;
  line-height: 1.65;
}

.muted { color: var(--muted); }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 690px;
  overflow: hidden;
  color: var(--off-white);
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background: url("https://images.pexels.com/photos/10642986/pexels-photo-10642986.jpeg?auto=compress&cs=tinysrgb&w=2400") center 52% / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(5, 13, 23, 0.64);
}

.hero-inner {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 680px) 1fr;
  align-items: center;
  gap: 80px;
}

.hero-copy { padding: 88px 0 104px; }

.hero h1 {
  margin-bottom: 26px;
  font-size: clamp(62px, 6.5vw, 98px);
  line-height: 0.92;
}

.hero h1 span { color: var(--brass-light); }

.hero .lede {
  max-width: 650px;
  color: rgba(244, 244, 241, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-seal {
  width: min(36vw, 390px);
  justify-self: end;
  opacity: 0.92;
}

.hero-seal img { width: 100%; }

.benefit-strip {
  color: var(--off-white);
  background: var(--navy);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.benefit {
  min-height: 126px;
  padding: 28px 30px;
  border-right: 1px solid var(--line-dark);
}

.benefit:last-child { border-right: 0; }

.benefit strong {
  display: block;
  margin-bottom: 6px;
  color: var(--brass-light);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.benefit span {
  color: rgba(244, 244, 241, 0.74);
  font-size: 14px;
}

.section { padding: 96px 0; }

.section-compact { padding: 72px 0; }

.section-offwhite { background: var(--off-white); }

.section-dark {
  color: var(--off-white);
  background: var(--navy);
}

.section-head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 88px;
  margin-bottom: 52px;
}

.section-head h2 { margin-bottom: 0; }

.section-head > p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 17px;
}

.section-dark .section-head > p { color: rgba(244, 244, 241, 0.68); }

.editorial-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
  gap: 90px;
}

.editorial-copy { max-width: 720px; }

.editorial-aside {
  padding-left: 32px;
  border-left: 1px solid var(--brass);
}

.editorial-aside .quote {
  margin-bottom: 22px;
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 1.08;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 62px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pillar {
  padding: 26px 28px;
  border-right: 1px solid var(--line);
}

.pillar:last-child { border-right: 0; }

.num {
  color: var(--brass);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pillar strong {
  display: block;
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.card {
  min-height: 278px;
  padding: 34px;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.card h3 { margin-top: 20px; }

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

.manifesto {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 90px;
}

.manifesto-mark {
  width: min(100%, 430px);
  justify-self: center;
}

.manifesto-copy .quote {
  margin-bottom: 24px;
  font-size: clamp(44px, 5vw, 76px);
  line-height: 1;
}

.manifesto-copy .quote span { color: var(--brass-light); }

.manifesto-copy p {
  max-width: 650px;
  color: rgba(244, 244, 241, 0.72);
  font-size: 17px;
}

.capability-grid,
.platform-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability,
.cap {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability h3,
.cap h3 {
  margin-top: 20px;
  font-size: 25px;
}

.capability p,
.cap p { color: var(--muted); }

.cap::before {
  content: "";
  display: block;
  width: 42px;
  height: 1px;
  margin-bottom: 24px;
  background: var(--brass);
}

.proof-band {
  color: var(--off-white);
  background: var(--navy-deep);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

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

.proof-item {
  padding: 34px;
  border-right: 1px solid var(--line-dark);
}

.proof-item:last-child { border-right: 0; }

.proof-item strong {
  display: block;
  color: var(--brass-light);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-item span {
  display: block;
  margin-top: 6px;
  color: rgba(244, 244, 241, 0.67);
}

.page-hero {
  position: relative;
  isolation: isolate;
  min-height: 470px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--off-white);
  background: var(--navy);
  border-bottom: 1px solid var(--line-dark);
}

.page-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -60px;
  bottom: -205px;
  width: 620px;
  height: 620px;
  background: url("assets/zys-emblem.png") center / contain no-repeat;
  opacity: 0.14;
}

.page-hero .container { padding: 82px 0 88px; }

.page-hero h1 {
  max-width: 920px;
  margin-bottom: 22px;
  font-size: clamp(54px, 6vw, 84px);
  line-height: 0.98;
}

.page-hero p {
  max-width: 800px;
  margin-bottom: 0;
  color: rgba(244, 244, 241, 0.75);
  font-size: 19px;
}

.platform-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.layer {
  padding: 34px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.layer h3 {
  margin: 18px 0;
  font-size: 31px;
}

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

.layer li {
  padding: 10px 0;
  color: rgba(244, 244, 241, 0.68);
  border-top: 1px solid var(--line-dark);
}

.process {
  counter-reset: steps;
  border-top: 1px solid var(--line);
}

.process-row {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 42px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.process-row::before {
  content: "0" counter(steps);
  color: var(--brass);
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1;
}

.process-row h3 {
  margin-bottom: 8px;
  font-size: 32px;
}

.process-row p {
  max-width: 850px;
  margin-bottom: 0;
  color: var(--muted);
}

.checks {
  display: grid;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.check {
  position: relative;
  padding: 16px 0 16px 30px;
  border-bottom: 1px solid var(--line);
}

.check::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 3px;
  width: 12px;
  height: 1px;
  background: var(--brass);
}

.founder-block {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: start;
  gap: 88px;
}

.identity-panel {
  color: var(--off-white);
  background: var(--navy);
  border: 1px solid var(--navy);
}

.identity-panel img { width: 100%; }

.identity-stat {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 24px 30px 30px;
  border-top: 1px solid var(--line-dark);
}

.identity-stat strong {
  color: var(--brass-light);
  font-family: var(--serif);
  font-size: 54px;
  font-weight: 500;
  line-height: 1;
}

.identity-stat span {
  color: rgba(244, 244, 241, 0.68);
  font-size: 13px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: start;
  gap: 86px;
}

.contact-direct {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.contact-direct span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-direct a {
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 31px);
  border-bottom: 1px solid var(--brass);
}

.form {
  display: grid;
  gap: 19px;
  padding: 38px;
  background: var(--off-white);
  border: 1px solid var(--line);
}

.field { display: grid; gap: 8px; }

.field label {
  color: #4e5967;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #c9c9c2;
  border-radius: 0;
}

.field textarea {
  min-height: 160px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(183, 153, 99, 0.28);
  border-color: var(--brass);
}

.hidden-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.mini-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.cta {
  padding: 0 0 96px;
  background: var(--paper);
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 54px;
  padding: 54px 60px;
  color: var(--off-white);
  background: var(--navy);
  border-top: 2px solid var(--brass);
}

.cta-box h2 {
  margin-bottom: 12px;
  font-size: clamp(38px, 4vw, 58px);
}

.cta-box p {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(244, 244, 241, 0.68);
}

.thank-hero { min-height: calc(100vh - 240px); }

.footer {
  padding: 46px 0;
  color: var(--off-white);
  background: var(--navy-deep);
  border-top: 1px solid var(--line-dark);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand .brand-monogram { font-size: 38px; }
.footer-brand .brand-rule { height: 42px; margin: 0 14px; }
.footer-brand .brand-name { font-size: 10px; }

.footer-meta { text-align: right; }

.footer small {
  display: block;
  color: rgba(244, 244, 241, 0.55);
  font-size: 12px;
}

.footer a { color: var(--brass-light); }

@media (max-width: 1020px) {
  .nav-inner { min-height: 80px; }
  .menu-btn { display: block; }

  .nav-links {
    position: fixed;
    top: 80px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 32px;
    background: var(--navy);
    overflow-y: auto;
  }

  .nav.open .nav-links { display: flex; }

  .nav-links > a:not(.btn) {
    padding: 18px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .nav-links .btn { margin-top: 24px; }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: 650px;
  }

  .hero-copy {
    max-width: 720px;
    padding: 82px 0 96px;
  }

  .hero-seal { display: none; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit:nth-child(2) { border-right: 0; }
  .benefit:nth-child(-n + 2) { border-bottom: 1px solid var(--line-dark); }

  .section-head,
  .editorial-grid,
  .manifesto,
  .founder-block,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .editorial-aside { max-width: 760px; }
  .manifesto-mark { width: min(100%, 340px); }

  .cards,
  .capability-grid,
  .platform-capabilities {
    grid-template-columns: 1fr 1fr;
  }

  .platform-map { grid-template-columns: 1fr; }
  .section { padding: 78px 0; }
}

@media (max-width: 680px) {
  .container { width: min(var(--max), calc(100% - 30px)); }
  .brand-monogram { font-size: 39px; }
  .brand-rule { height: 42px; margin: 0 12px; }
  .brand-name { font-size: 9px; letter-spacing: 0.16em; }
  .hero { min-height: 620px; }
  .hero::after { background: rgba(5, 13, 23, 0.72); }
  .hero-inner { min-height: 620px; }
  .hero-copy { padding: 68px 0 82px; }
  .hero h1 { font-size: clamp(52px, 16vw, 70px); }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .benefit-grid,
  .pillars,
  .cards,
  .capability-grid,
  .platform-capabilities,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .benefit,
  .pillar,
  .proof-item {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .pillars .pillar { border-bottom-color: var(--line); }
  .section { padding: 64px 0; }

  .section-head {
    gap: 22px;
    margin-bottom: 36px;
  }

  .editorial-aside { padding-left: 22px; }
  .page-hero { min-height: 410px; }

  .page-hero::after {
    right: -120px;
    bottom: -120px;
    width: 420px;
    height: 420px;
  }

  .page-hero .container { padding: 66px 0 72px; }
  .page-hero h1 { font-size: clamp(48px, 14vw, 66px); }

  .process-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .form { padding: 26px; }
  .cta { padding-bottom: 64px; }

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 28px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta { text-align: left; }
}

@media (max-width: 420px) {
  .brand-name,
  .brand-rule { display: none; }
}

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