:root {
  --ink: #143b3d;
  --ink-deep: #092f34;
  --ink-soft: #587173;
  --paper: #f4f8f6;
  --white: #ffffff;
  --sea: #168f92;
  --sea-deep: #087178;
  --mint: #dff1eb;
  --mint-bright: #c5e8df;
  --sand: #f3e8ce;
  --lime: #b9d779;
  --line: rgba(20, 59, 61, .15);
  --shell: min(1240px, calc(100vw - 48px));
  --radius-lg: 32px;
  --radius-md: 22px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 94px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
svg { display: block; }

.shell { width: var(--shell); margin-inline: auto; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink-deep);
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  padding: 22px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.055em;
  text-decoration: none;
}

.brand-mark { width: 35px; height: 35px; }
.brand-mark > :first-child { fill: var(--sea); }
.brand-wave { fill: none; stroke: var(--white); stroke-width: 2; stroke-linecap: round; }

nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); }

nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
}

nav a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  background: var(--sea);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  color: var(--white);
  background: var(--ink-deep);
  border: 1px solid var(--ink-deep);
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(9, 47, 52, .12);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .02em;
  text-decoration: none;
  transition: transform .25s var(--ease), background .25s, box-shadow .25s;
}

.button:hover,
.button:focus-visible {
  background: var(--sea-deep);
  border-color: var(--sea-deep);
  box-shadow: 0 14px 34px rgba(9, 47, 52, .18);
  transform: translateY(-2px);
}

.button-small { min-height: 44px; padding-inline: 19px; font-size: 12px; }

.hero {
  position: relative;
  min-height: 800px;
  overflow: hidden;
  padding: 142px 0 78px;
  background:
    radial-gradient(circle at 8% 10%, rgba(255, 255, 255, .92) 0, rgba(255, 255, 255, 0) 36%),
    linear-gradient(135deg, #f7faf7 0%, #e8f3ee 55%, #f6f2e4 100%);
}

.hero::after {
  position: absolute;
  right: -7vw;
  bottom: -31vw;
  width: 58vw;
  aspect-ratio: 1;
  border: 1px solid rgba(22, 143, 146, .13);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(255, 255, 255, .16), 0 0 0 180px rgba(255, 255, 255, .12);
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(500px, 1.05fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
}

.hero-copy { padding: 30px 0 0; }

.eyebrow,
.section-index {
  margin: 0 0 24px;
  color: var(--sea-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow > span { width: 22px; height: 1px; background: currentColor; }

h1,
h2,
h3,
p { text-wrap: pretty; }

h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(54px, 6.2vw, 90px);
  font-weight: 690;
  letter-spacing: -.066em;
  line-height: .96;
}

h1 em {
  color: var(--sea);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-intro {
  max-width: 595px;
  margin: 31px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.6;
}

.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 35px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
}

.text-link span { transition: transform .25s var(--ease); }
.text-link:hover span, .text-link:focus-visible span { transform: translate(3px, -3px); }

.hero-meta {
  display: flex;
  gap: 42px;
  margin-top: 54px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
}

.hero-meta div { display: flex; flex-direction: column; gap: 3px; }
.hero-meta strong { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.hero-meta span { color: var(--ink-soft); font-size: 12px; }

.network-visual {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
  border: 10px solid rgba(255, 255, 255, .72);
  border-radius: 42px;
  box-shadow: 0 32px 80px rgba(34, 87, 83, .14);
  text-decoration: none;
  backdrop-filter: blur(16px);
  isolation: isolate;
}

.network-visual::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 28, 31, .12) 0%, transparent 37%, rgba(3, 27, 29, .84) 100%),
    linear-gradient(90deg, rgba(3, 27, 29, .15), transparent 58%);
  content: "";
  pointer-events: none;
}

.network-visual::after {
  position: absolute;
  z-index: 4;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 25px;
  content: "";
  pointer-events: none;
}

.network-visual > img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 53% center;
  transition: filter .6s, transform 1s var(--ease);
}

.network-visual:hover > img,
.network-visual:focus-visible > img { filter: saturate(1.06) contrast(1.02); transform: scale(1.018); }

.network-photo-top {
  position: absolute;
  z-index: 2;
  top: 27px;
  right: 28px;
  left: 28px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255, 255, 255, .82);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .15em;
}

.network-photo-top span {
  padding: 7px 10px;
  background: rgba(4, 33, 36, .58);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  backdrop-filter: blur(9px);
}

.network-photo-copy {
  position: absolute;
  z-index: 2;
  right: 29px;
  bottom: 27px;
  left: 29px;
}

.network-photo-copy > p {
  margin: 0 0 10px;
  color: var(--mint-bright);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .15em;
}

.network-photo-copy > strong {
  display: block;
  max-width: 510px;
  font-size: clamp(25px, 2.65vw, 39px);
  font-weight: 590;
  letter-spacing: -.045em;
  line-height: 1.04;
}

.network-photo-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, .28);
  color: rgba(255, 255, 255, .72);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .12em;
}

.network-photo-status span { display: inline-flex; align-items: center; gap: 8px; }
.network-photo-status i { width: 7px; height: 7px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 5px rgba(185, 215, 121, .13); }
.network-photo-status b { color: var(--white); font-size: 11px; }

.hero-orbit { position: absolute; border-radius: 50%; filter: blur(.2px); }
.hero-orbit-one { top: 90px; left: -160px; width: 270px; height: 270px; border: 1px solid rgba(22, 143, 146, .18); }
.hero-orbit-two { top: 205px; left: -92px; width: 96px; height: 96px; background: rgba(185, 215, 121, .2); }

.statement { padding: 104px 0; background: var(--white); }

.statement-grid {
  display: grid;
  grid-template-columns: minmax(160px, .45fr) minmax(0, 1.55fr);
  gap: 50px;
}

.statement h2,
.section-heading h2,
.flow h2,
.applications h2,
.disclosure h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 65px);
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: 1.06;
}

.statement h2 { max-width: 950px; }

.statement-grid > div > p {
  max-width: 700px;
  margin: 30px 0 0 auto;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.7;
}

.section { padding: 118px 0; }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .5fr);
  align-items: end;
  gap: 60px;
  margin-bottom: 58px;
}

.section-heading > p {
  margin: 0 0 7px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.principle-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  flex-direction: column;
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(20, 59, 61, .08);
  border-radius: var(--radius-md);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s;
}

.principle-card:hover {
  background: var(--white);
  box-shadow: 0 22px 50px rgba(34, 87, 83, .10);
  transform: translateY(-6px);
}

.principle-photo {
  position: relative;
  flex: 0 0 auto;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #dce5df;
}

.principle-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 32, 35, .32), transparent 36%);
  content: "";
  pointer-events: none;
}

.principle-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter .5s, transform .85s var(--ease);
}

.principle-card:hover .principle-photo img {
  filter: saturate(1.06) contrast(1.015);
  transform: scale(1.025);
}

.card-number,
.principle-photo-label {
  position: absolute;
  z-index: 2;
  top: 15px;
  padding: 6px 8px;
  color: rgba(255, 255, 255, .86);
  background: rgba(4, 34, 37, .58);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .13em;
  backdrop-filter: blur(8px);
}

.card-number { left: 15px; }
.principle-photo-label { right: 15px; }
.principle-card-copy { flex: 1; padding: 23px 25px 27px; }
.principle-card h3 { margin: 0 0 12px; font-size: 23px; letter-spacing: -.03em; line-height: 1.15; }
.principle-card p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.principle-note { max-width: 760px; margin: 17px 0 0; color: rgba(20, 59, 61, .55); font-size: 9px; line-height: 1.65; }

.flow { background: var(--white); }
.flow-topline { display: flex; justify-content: space-between; gap: 30px; }
.flow-note { margin: 0; color: var(--ink-soft); font-size: 12px; }
.flow h2 { margin-bottom: 58px; }

.flow-rail {
  display: grid;
  grid-template-columns: 1fr 70px 1fr 70px 1fr 70px 1fr;
  align-items: center;
  padding: 42px;
  background: linear-gradient(110deg, rgba(223, 241, 235, .65), rgba(243, 232, 206, .5));
  border: 1px solid rgba(20, 59, 61, .08);
  border-radius: var(--radius-lg);
}

.flow-step { display: flex; align-items: center; gap: 14px; }
.flow-step > span { display: grid; flex: 0 0 43px; width: 43px; height: 43px; place-items: center; color: var(--white); background: var(--sea-deep); border-radius: 50%; font-size: 10px; font-weight: 800; }
.flow-step div { display: flex; flex-direction: column; }
.flow-step strong { font-size: 14px; line-height: 1.25; }
.flow-step small { margin-top: 4px; color: var(--ink-soft); font-size: 11px; }
.flow-connector { position: relative; height: 1px; background: rgba(8, 113, 120, .25); }
.flow-connector i { position: absolute; top: -3px; right: 0; width: 7px; height: 7px; border-top: 1px solid var(--sea); border-right: 1px solid var(--sea); transform: rotate(45deg); }

.security {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 92% 8%, rgba(33, 160, 153, .18), transparent 34%),
    linear-gradient(145deg, #061f24 0%, #0a3439 58%, #0b4548 100%);
}

.security .shell { position: relative; z-index: 2; }

.security-radar {
  position: absolute;
  z-index: 0;
  top: -280px;
  right: -210px;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(197, 232, 223, .11);
  border-radius: 50%;
}

.security-radar i { position: absolute; border: 1px solid rgba(197, 232, 223, .09); border-radius: 50%; }
.security-radar i:nth-child(1) { inset: 90px; }
.security-radar i:nth-child(2) { inset: 190px; }
.security-radar i:nth-child(3) { inset: 290px; }
.security-radar::before, .security-radar::after { position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: rgba(197, 232, 223, .08); content: ""; }
.security-radar::after { transform: rotate(90deg); }
.security-radar span { position: absolute; top: 50%; left: 50%; width: 46%; height: 1px; background: linear-gradient(90deg, rgba(185, 215, 121, .6), transparent); transform: rotate(-28deg); transform-origin: left; }

.security-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr);
  align-items: end;
  gap: clamp(50px, 9vw, 130px);
  margin-bottom: 68px;
}

.security-heading h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 5.5vw, 76px);
  font-weight: 570;
  letter-spacing: -.06em;
  line-height: 1.01;
}

.security-intro > p { margin: 0 0 27px; color: rgba(255, 255, 255, .67); font-size: 16px; line-height: 1.75; }

.security-intro-photo {
  position: relative;
  max-width: 620px;
  margin-bottom: 24px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #36545a;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 20px;
  isolation: isolate;
}

.security-intro-photo::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 27, 29, .12) 35%, rgba(3, 27, 29, .82));
  content: "";
  pointer-events: none;
}

.security-intro-photo > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.security-photo-label {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  padding: 6px 8px;
  color: rgba(255, 255, 255, .82);
  background: rgba(4, 34, 37, .58);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .13em;
  backdrop-filter: blur(8px);
}

.security-intro-photo > div {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 17px;
  left: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.security-intro-photo small { color: var(--mint-bright); font-size: 7px; font-weight: 800; letter-spacing: .14em; }
.security-intro-photo strong { font-size: 15px; letter-spacing: -.01em; }

.sensor-band { display: flex; flex-wrap: wrap; gap: 7px; }
.sensor-band span { padding: 7px 10px; color: var(--mint-bright); border: 1px solid rgba(197, 232, 223, .27); border-radius: 999px; font-size: 8px; font-weight: 800; letter-spacing: .12em; }

.security-chain { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }

.security-stage {
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  flex-direction: column;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 22px;
  transition: background .3s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}

.security-stage:hover {
  background: rgba(255, 255, 255, .075);
  box-shadow: 0 24px 54px rgba(0, 0, 0, .16);
  transform: translateY(-5px);
}

.security-stage-photo {
  position: relative;
  flex: 0 0 auto;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #355257;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.security-stage-photo::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 27, 29, .45), transparent 42%);
  content: "";
  pointer-events: none;
}

.security-stage-photo > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter .5s, transform .85s var(--ease);
}

.security-stage:hover .security-stage-photo > img {
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.025);
}

.stage-top {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  left: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stage-top > span,
.stage-top > small {
  padding: 6px 8px;
  background: rgba(4, 34, 37, .62);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .14em;
  backdrop-filter: blur(8px);
}

.stage-top > span { color: var(--lime); }
.stage-top > small { color: rgba(255, 255, 255, .78); }
.security-stage-copy { display: flex; flex: 1; flex-direction: column; padding: 23px 24px 25px; }
.security-stage h3 { margin: 0 0 11px; font-size: 20px; letter-spacing: -.025em; line-height: 1.2; }
.security-stage-copy > p { min-height: 85px; margin: 0; color: rgba(255, 255, 255, .57); font-size: 13px; line-height: 1.65; }
.security-response { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .14); }
.security-response small { display: block; margin-bottom: 6px; color: rgba(255, 255, 255, .4); font-size: 8px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.security-response strong { color: var(--lime); font-size: 13px; }
.security-image-note { max-width: 850px; margin: 16px 0 0; color: rgba(255, 255, 255, .42); font-size: 9px; line-height: 1.65; }

.security-doctrine {
  display: grid;
  grid-template-columns: minmax(280px, .7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 8vw, 120px);
  margin-top: 20px;
  padding: clamp(35px, 6vw, 70px);
  background: rgba(17, 118, 119, .42);
  border: 1px solid rgba(197, 232, 223, .18);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.doctrine-title small { display: block; margin-bottom: 19px; color: var(--mint-bright); font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.doctrine-title strong { font-size: clamp(31px, 3.4vw, 47px); font-weight: 580; letter-spacing: -.045em; line-height: 1.08; }
.doctrine-points { border-top: 1px solid rgba(255, 255, 255, .18); }
.doctrine-points > div { display: grid; grid-template-columns: 35px 1fr; gap: 10px; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.doctrine-points span { color: var(--lime); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.doctrine-points p { margin: 0; color: rgba(255, 255, 255, .67); font-size: 12px; line-height: 1.55; }

.security-boundary { max-width: 1010px; margin: 30px 0 0 auto; color: rgba(255, 255, 255, .52); font-size: 11px; line-height: 1.7; }
.security-boundary strong { color: rgba(255, 255, 255, .82); }

.visual-story { background: #f4f8f5; }
.visual-story-heading { align-items: end; margin-bottom: 56px; }
.visual-story-heading > div:last-child { max-width: 510px; justify-self: end; }
.visual-story-heading > div:last-child > p { margin: 0 0 22px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.visual-story-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; width: 100%; max-width: 100%; overflow: hidden; }
.visual-photo { position: relative; display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 0; aspect-ratio: 3 / 2; overflow: hidden; color: var(--white); background: var(--ink-deep); border-radius: 24px; text-decoration: none; isolation: isolate; contain: layout paint; }
.visual-photo-large { min-height: 0; }
.visual-photo::after { position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(3, 28, 31, .76)); content: ""; }
.visual-photo img { position: absolute; inset: 0; display: block; width: 100%; max-width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; }
.visual-photo:hover img, .visual-photo:focus-visible img { filter: saturate(1.08); transform: scale(1.025); }
.visual-photo > div { position: absolute; z-index: 2; right: 25px; bottom: 24px; left: 25px; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 7px; }
.visual-photo small { color: rgba(255, 255, 255, .64); font-size: 7px; font-weight: 800; letter-spacing: .13em; }
.visual-photo strong { max-width: 320px; font-size: clamp(18px, 1.55vw, 24px); font-weight: 580; letter-spacing: -.035em; line-height: 1.08; text-align: left; }
.visual-photo-tag { position: absolute; z-index: 3; top: 20px; left: 20px; padding: 7px 9px; color: rgba(255, 255, 255, .8); background: rgba(4, 34, 37, .6); border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px; font-size: 6px; font-weight: 800; letter-spacing: .13em; backdrop-filter: blur(9px); }
.visual-story-note { max-width: 760px; margin: 18px 0 0; color: rgba(20, 59, 61, .55); font-size: 9px; line-height: 1.65; }

.endurance {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 4%, rgba(22, 143, 146, .13), transparent 28%),
    linear-gradient(145deg, #edf7f3 0%, #f7faf5 48%, #f5ecd7 100%);
}

.endurance .shell { position: relative; z-index: 2; }
.endurance-orbit { position: absolute; border: 1px solid rgba(8, 113, 120, .12); border-radius: 50%; pointer-events: none; }
.endurance-orbit-one { top: -270px; right: -180px; width: 640px; height: 640px; box-shadow: 0 0 0 90px rgba(22, 143, 146, .025), 0 0 0 180px rgba(22, 143, 146, .018); }
.endurance-orbit-two { bottom: 80px; left: -220px; width: 430px; height: 430px; }

.endurance-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, .65fr);
  align-items: end;
  gap: clamp(45px, 8vw, 110px);
  margin-bottom: 62px;
}

.endurance-heading h2 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(45px, 5.8vw, 79px);
  font-weight: 570;
  letter-spacing: -.062em;
  line-height: 1;
}

.endurance-heading h2 em { color: var(--sea); font-family: Georgia, serif; font-weight: 400; }
.endurance-heading > p { margin: 0 0 5px; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }

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

.endurance-card {
  min-width: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, .91);
  border: 1px solid rgba(20, 59, 61, .09);
  border-radius: 30px;
  box-shadow: 0 26px 70px rgba(37, 79, 75, .09);
}

.endurance-photo {
  position: relative;
  aspect-ratio: 3 / 1.55;
  overflow: hidden;
  background: #dce7e0;
}

.endurance-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 31, 34, .08), transparent 42%, rgba(3, 29, 32, .55));
  content: "";
}

.endurance-photo img { display: block; width: 100%; height: 100%; object-fit: cover; transition: filter .6s, transform .9s var(--ease); }
.endurance-card:hover .endurance-photo img { filter: saturate(1.07) contrast(1.015); transform: scale(1.025); }
.endurance-photo > span { position: absolute; z-index: 2; right: 22px; bottom: 20px; left: 22px; color: rgba(255, 255, 255, .84); font-size: 8px; font-weight: 800; letter-spacing: .15em; }
.endurance-card-copy { padding: clamp(28px, 3.8vw, 48px); }
.endurance-kicker { margin: 0 0 14px; color: var(--sea-deep); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.endurance-card h3 { max-width: 530px; margin: 0; font-size: clamp(31px, 3.15vw, 47px); font-weight: 580; letter-spacing: -.052em; line-height: 1.03; }
.endurance-lead { margin: 25px 0 30px; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.endurance-details { border-top: 1px solid var(--line); }
.endurance-details > div { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.endurance-details > div > span { padding-top: 2px; color: var(--sea); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.endurance-details p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.endurance-details strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 13px; }
.endurance-card blockquote { margin: 30px 0 0; padding: 23px 25px; color: var(--ink); background: var(--sand); border-radius: 17px; font-family: Georgia, serif; font-size: clamp(20px, 2vw, 27px); font-style: italic; line-height: 1.28; }
.endurance-card-energy blockquote { color: var(--white); background: linear-gradient(120deg, #0b565c, #168f92); }

.endurance-manifesto {
  display: grid;
  grid-template-columns: minmax(280px, .7fr) minmax(0, 1.3fr);
  gap: clamp(45px, 8vw, 110px);
  margin-top: 18px;
  padding: clamp(37px, 5.5vw, 70px);
  color: var(--white);
  background:
    radial-gradient(circle at 92% 10%, rgba(185, 215, 121, .18), transparent 25%),
    linear-gradient(130deg, #082f34, #0b565c);
  border-radius: 30px;
}

.endurance-manifesto small { display: block; margin-bottom: 18px; color: var(--mint-bright); font-size: 8px; font-weight: 800; letter-spacing: .16em; }
.endurance-manifesto strong { display: block; font-size: clamp(33px, 4vw, 56px); font-weight: 570; letter-spacing: -.05em; line-height: 1.03; }
.endurance-manifesto-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(255, 255, 255, .18); }
.endurance-manifesto-points > div { display: grid; grid-template-columns: 31px 1fr; gap: 10px; padding: 18px 16px 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.endurance-manifesto-points > div:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .18); }
.endurance-manifesto-points > div:nth-child(even) { padding-left: 18px; }
.endurance-manifesto-points span { color: var(--lime); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.endurance-manifesto-points p { margin: 0; color: rgba(255, 255, 255, .65); font-size: 12px; line-height: 1.55; }
.endurance-manifesto-points b { display: block; margin-bottom: 4px; color: var(--white); font-size: 13px; }
.endurance-boundary { max-width: 1030px; margin: 25px 0 0 auto; color: rgba(20, 59, 61, .62); font-size: 10px; line-height: 1.7; }
.endurance-boundary strong { color: var(--ink); }

.resilience { color: var(--white); background: var(--ink-deep); }

.resilience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, .8fr);
  gap: clamp(60px, 10vw, 150px);
}

.eyebrow-light { color: var(--mint-bright); }
.resilience-copy h2 { max-width: 680px; margin: 0; font-size: clamp(43px, 5.4vw, 75px); font-weight: 570; letter-spacing: -.06em; line-height: 1.02; }
.resilience-copy > p:not(.eyebrow) { max-width: 590px; margin: 32px 0 34px; color: rgba(255, 255, 255, .65); font-size: 17px; line-height: 1.75; }
.text-link-light { color: var(--white); }

.resilience-list { border-top: 1px solid rgba(255, 255, 255, .18); }
.resilience-list article { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 24px 0; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.resilience-list article > span { color: var(--lime); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.resilience-list h3 { margin: 0 0 7px; font-size: 18px; letter-spacing: -.02em; }
.resilience-list p { margin: 0; color: rgba(255, 255, 255, .58); font-size: 13px; line-height: 1.55; }

.applications { background: #f9fbf8; }
.applications-heading { margin-bottom: 64px; }

.application-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.application-grid article { min-height: 290px; padding: 29px 27px 32px; border-right: 1px solid var(--line); }
.application-grid article:first-child { border-left: 1px solid var(--line); }
.application-symbol { display: grid; width: 54px; height: 54px; place-items: center; color: var(--sea-deep); background: var(--mint); border-radius: 17px; font-family: Georgia, serif; font-size: 22px; font-style: italic; }
.application-grid h3 { margin: 76px 0 11px; font-size: 19px; letter-spacing: -.025em; }
.application-grid p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.disclosure { background: var(--sand); }
.disclosure-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .7fr); gap: clamp(60px, 9vw, 130px); }
.disclosure-copy > p { margin: 3px 0 35px; color: var(--ink-soft); font-size: 17px; line-height: 1.75; }
.disclosure-levels { border-top: 1px solid rgba(20, 59, 61, .2); }
.disclosure-levels > div { display: grid; grid-template-columns: 16px 130px 1fr; align-items: center; gap: 9px; padding: 16px 0; border-bottom: 1px solid rgba(20, 59, 61, .2); }
.level-dot { width: 8px; height: 8px; border-radius: 50%; }
.level-public { background: var(--lime); }
.level-controlled { background: var(--sea); }
.level-protected { background: var(--ink-deep); }
.disclosure-levels strong { font-size: 12px; }
.disclosure-levels small { color: var(--ink-soft); font-size: 11px; }

.contact { background: #f9fbf8; }
.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: end;
  gap: 80px;
  min-height: 500px;
  padding: clamp(40px, 7vw, 85px);
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(130deg, #0b4d53, #0b7479);
  border-radius: 40px;
}

.contact-panel::after { position: absolute; right: -150px; bottom: -210px; width: 520px; height: 520px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255, 255, 255, .035), 0 0 0 140px rgba(255, 255, 255, .025); content: ""; }
.contact-copy, .contact-action { position: relative; z-index: 2; }
.contact-copy h2 { margin: 0; font-size: clamp(46px, 5.5vw, 76px); font-weight: 560; letter-spacing: -.06em; line-height: 1.02; }
.contact-copy > p:last-child { max-width: 560px; margin: 29px 0 0; color: rgba(255, 255, 255, .66); font-size: 15px; line-height: 1.7; }
.contact-action { padding-bottom: 5px; }
.contact-email { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 19px 0; border-top: 1px solid rgba(255, 255, 255, .35); border-bottom: 1px solid rgba(255, 255, 255, .35); font-size: clamp(18px, 2vw, 27px); font-weight: 650; letter-spacing: -.03em; text-decoration: none; }
.contact-email span { transition: transform .25s var(--ease); }
.contact-email:hover span, .contact-email:focus-visible span { transform: translate(4px, -4px); }
.contact-action p { max-width: 440px; margin: 22px 0 0; color: rgba(255, 255, 255, .6); font-size: 12px; line-height: 1.7; }
.contact-watermark { position: absolute; z-index: 0; top: -70px; right: 2%; color: rgba(255, 255, 255, .035); font-family: Georgia, serif; font-size: clamp(170px, 24vw, 330px); letter-spacing: -.12em; line-height: 1; }

footer { padding: 42px 0 48px; background: #f9fbf8; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: .7fr 1fr 1fr; align-items: end; gap: 35px; }
.brand-footer { font-size: 21px; }
.brand-footer .brand-mark { width: 31px; height: 31px; }
.footer-grid > p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.footer-legal { display: flex; justify-content: flex-end; gap: 28px; color: var(--ink-soft); font-size: 10px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }

@media (max-width: 1060px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 790px; }
  .network-visual { max-width: 720px; width: 100%; margin-inline: auto; }
  .principle-grid, .application-grid { grid-template-columns: repeat(2, 1fr); }
  .application-grid article:nth-child(3) { border-left: 1px solid var(--line); }
  .application-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .flow-rail { grid-template-columns: 1fr; gap: 8px; }
  .flow-connector { width: 1px; height: 24px; margin-left: 21px; }
  .flow-connector i { top: auto; right: -3px; bottom: 0; transform: rotate(135deg); }
  .security-heading { grid-template-columns: 1fr; align-items: start; }
  .security-intro { max-width: 700px; }
  .security-chain { grid-template-columns: repeat(2, 1fr); }
  .security-doctrine { grid-template-columns: 1fr; }
  .endurance-heading, .endurance-manifesto, .resilience-grid, .disclosure-grid { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .visual-story-grid { grid-template-columns: 1fr; }
  .visual-photo, .visual-photo-large, .visual-photo:not(.visual-photo-large) { min-height: 0; aspect-ratio: 16 / 9; }
  .endurance-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 32px, 1240px); }
  .site-header { padding-top: 17px; }
  nav { display: none; }
  .button-small { min-height: 41px; padding-inline: 15px; }
  .hero { padding: 122px 0 60px; }
  h1 { font-size: clamp(48px, 14vw, 70px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-meta { flex-direction: column; gap: 17px; margin-top: 40px; }
  .network-visual { border-width: 7px; border-radius: 25px; }
  .network-visual::after { inset: 6px; border-radius: 17px; }
  .network-photo-top { top: 20px; right: 20px; left: 20px; }
  .network-photo-copy { right: 21px; bottom: 20px; left: 21px; }
  .network-photo-copy > strong { font-size: clamp(23px, 7.3vw, 37px); }
  .network-photo-status { margin-top: 15px; padding-top: 11px; }
  .statement, .section { padding: 80px 0; }
  .statement-grid, .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .statement-grid > div > p { margin-left: 0; }
  .principle-grid { grid-template-columns: 1fr; }
  .flow-topline { flex-direction: column; gap: 0; }
  .flow-rail { padding: 25px; }
  .security-heading { gap: 32px; margin-bottom: 46px; }
  .security-chain { grid-template-columns: 1fr; }
  .security-stage-copy > p { min-height: auto; }
  .security-doctrine { padding: 34px 25px; border-radius: 0 0 24px 24px; }
  .security-radar { top: -170px; right: -300px; width: 600px; height: 600px; }
  .visual-story-heading > div:last-child { justify-self: start; }
  .visual-photo > div { right: 18px; bottom: 18px; left: 18px; flex-direction: column; align-items: flex-start; gap: 7px; }
  .visual-photo strong { font-size: 21px; text-align: left; }
  .endurance-heading { gap: 25px; margin-bottom: 42px; }
  .endurance-card { border-radius: 23px; }
  .endurance-photo { aspect-ratio: 16 / 9; }
  .endurance-card-copy { padding: 27px 23px; }
  .endurance-manifesto { padding: 33px 24px; border-radius: 23px; gap: 34px; }
  .endurance-manifesto-points { grid-template-columns: 1fr; }
  .endurance-manifesto-points > div:nth-child(odd) { border-right: 0; }
  .endurance-manifesto-points > div:nth-child(even) { padding-left: 0; }
  .resilience-grid { gap: 50px; }
  .application-grid { grid-template-columns: 1fr; }
  .application-grid article, .application-grid article:nth-child(3) { min-height: 250px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
  .application-grid article:last-child { border-bottom: 0; }
  .application-grid h3 { margin-top: 54px; }
  .disclosure-grid { gap: 42px; }
  .disclosure-levels > div { grid-template-columns: 16px 110px 1fr; }
  .contact { padding-inline: 0; }
  .contact-panel { width: calc(100% - 24px); min-height: 570px; padding: 42px 28px; border-radius: 28px; gap: 54px; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
  .footer-legal { flex-direction: column; justify-content: flex-start; gap: 6px; }
}

@media (max-width: 430px) {
  .brand { font-size: 21px; }
  .brand-mark { width: 31px; height: 31px; }
  .button-small { font-size: 10px; }
  .network-photo-top span:last-child { display: none; }
  .network-photo-status { font-size: 6px; letter-spacing: .08em; }
  .contact-email { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}