:root {
  --navy-950: #06172a;
  --navy-900: #0a2037;
  --navy-800: #0e2b47;
  --navy-700: #14395a;
  --teal-500: #1eb5b2;
  --teal-600: #159d9d;
  --cyan-200: #a7f4f1;
  --ink: #081a2d;
  --muted: #5f7083;
  --paper: #f8fafb;
  --white: #ffffff;
  --line: rgba(14, 43, 71, 0.13);
  --line-dark: rgba(167, 244, 241, 0.22);
  --shadow: 0 24px 80px rgba(6, 23, 42, 0.16);
  --max: 1180px;
  --radius: 8px;
  --font: Inter, Avenir Next, Helvetica Neue, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
  text-rendering: geometricPrecision;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 50%;
  display: flex;
  width: min(calc(100% - 32px), 1280px);
  height: 74px;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  border: 1px solid transparent;
  padding: 0 22px;
  transition: background 180ms ease, border 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  top: 12px;
  height: 62px;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(6, 23, 42, 0.88);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 194px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 12px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--teal-500);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 160ms ease, transform 160ms ease;
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
}

.nav-toggle span {
  position: absolute;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle span:nth-child(1) {
  transform: translateY(-6px);
}

.nav-toggle span:nth-child(3) {
  transform: translateY(6px);
}

.section-dark {
  color: var(--white);
  background:
    radial-gradient(circle at 68% 30%, rgba(30, 181, 178, 0.22), transparent 28%),
    radial-gradient(circle at 20% 88%, rgba(30, 181, 178, 0.12), transparent 34%),
    linear-gradient(140deg, var(--navy-950), var(--navy-900) 46%, #071426);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 150px 28px 52px;
}

.hero::before,
.contact::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167, 244, 241, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 244, 241, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: radial-gradient(circle at 65% 35%, black, transparent 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: 58px;
  align-items: center;
}

.hero-copy h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(42px, 5.25vw, 66px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy h1::first-letter {
  letter-spacing: 0;
}

.hero-body {
  max-width: 650px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 0 22px;
  font-size: 14px;
  font-weight: 800;
  transition: border 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  border: 1px solid rgba(167, 244, 241, 0.35);
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: var(--white);
  box-shadow: 0 18px 48px rgba(30, 181, 178, 0.25);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
}

.button.full {
  width: 100%;
}

.signal-system {
  position: relative;
  min-height: 490px;
  isolation: isolate;
}

.orbit {
  position: absolute;
  inset: 50%;
  z-index: 1;
  border: 1px solid rgba(167, 244, 241, 0.23);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-outer {
  width: 430px;
  height: 430px;
  box-shadow: inset 0 0 80px rgba(30, 181, 178, 0.07), 0 0 80px rgba(30, 181, 178, 0.08);
  animation: orbitPulse 5.5s ease-in-out infinite;
}

.orbit-mid {
  width: 292px;
  height: 292px;
  animation: orbitPulse 5.5s ease-in-out 0.8s infinite;
}

.orbit-inner {
  width: 158px;
  height: 158px;
  animation: orbitPulse 5.5s ease-in-out 1.6s infinite;
}

.signal-system::before {
  position: absolute;
  z-index: 0;
  inset: 22px 0;
  background:
    linear-gradient(30deg, transparent 49.7%, rgba(167, 244, 241, 0.16) 50%, transparent 50.3%),
    linear-gradient(150deg, transparent 49.7%, rgba(167, 244, 241, 0.13) 50%, transparent 50.3%);
  content: "";
  opacity: 0.8;
}

.signal-system::after {
  position: absolute;
  z-index: 1;
  inset: 76px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 76%, rgba(30, 181, 178, 0.32), transparent 86% 100%);
  content: "";
  filter: blur(1px);
  opacity: 0.44;
  transform-origin: center;
  animation: radarSweep 13s linear infinite;
  pointer-events: none;
}

.signal-core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 104px;
  height: 104px;
  place-items: center;
  border: 1px solid rgba(167, 244, 241, 0.28);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, rgba(30, 181, 178, 0.55), rgba(14, 43, 71, 0.9) 68%);
  box-shadow: 0 0 56px rgba(30, 181, 178, 0.42);
  transform: translate(-50%, -50%);
  animation: coreFloat 4.8s ease-in-out infinite;
}

.signal-core img {
  width: 54px;
}

.node {
  position: absolute;
  z-index: 4;
  max-width: 150px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 12px;
  font-weight: 800;
}

.node::before {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--teal-500);
  box-shadow: 0 0 18px var(--teal-500);
  content: "";
  animation: nodePulse 3.4s ease-in-out infinite;
}

.node-1 { top: 144px; left: 10px; }
.node-2 { top: 52px; left: 214px; }
.node-3 { top: 102px; right: 14px; }
.node-4 { right: 0; bottom: 168px; }
.node-5 { bottom: 92px; left: 0; }
.node-6 { right: 28px; bottom: 80px; }

@keyframes radarSweep {
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbitPulse {
  0%, 100% {
    border-color: rgba(167, 244, 241, 0.18);
    box-shadow: inset 0 0 72px rgba(30, 181, 178, 0.05), 0 0 48px rgba(30, 181, 178, 0.04);
  }
  50% {
    border-color: rgba(167, 244, 241, 0.38);
    box-shadow: inset 0 0 92px rgba(30, 181, 178, 0.11), 0 0 72px rgba(30, 181, 178, 0.12);
  }
}

@keyframes coreFloat {
  0%, 100% {
    box-shadow: 0 0 46px rgba(30, 181, 178, 0.32);
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    box-shadow: 0 0 72px rgba(30, 181, 178, 0.55);
    transform: translate(-50%, -50%) scale(1.035);
  }
}

@keyframes nodePulse {
  0%, 100% {
    opacity: 0.72;
    transform: scale(0.86);
  }
  50% {
    opacity: 1;
    transform: scale(1.16);
  }
}

.proof-strip {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--max);
  margin: 56px auto 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(4, 18, 34, 0.48);
  grid-template-columns: repeat(4, 1fr);
}

.proof-strip div {
  min-height: 118px;
  padding: 26px 28px;
  border-right: 1px solid var(--line-dark);
}

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

.proof-strip strong {
  display: block;
  color: var(--teal-500);
  font-size: 28px;
  line-height: 1.1;
}

.proof-strip span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

.section-light {
  padding: 104px 28px;
  background:
    radial-gradient(circle at 82% 4%, rgba(30, 181, 178, 0.12), transparent 28%),
    linear-gradient(180deg, var(--white), var(--paper));
}

.section-heading {
  max-width: var(--max);
  margin: 0 auto 38px;
}

.section-heading h2,
.experience-intro h2,
.contact h2 {
  max-width: 780px;
  margin: 0;
  color: var(--navy-800);
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.03;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 240px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 46px rgba(14, 43, 71, 0.08);
}

.service-card h3,
.timeline-panel h3,
.affiliation-panel h3,
.contact-panel h3,
.insight-rail h3 {
  margin: 0;
  color: var(--navy-800);
  font-size: 20px;
  line-height: 1.15;
}

.service-card p,
.insight-rail p,
.contact-panel p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  place-items: center;
  border: 1px solid rgba(30, 181, 178, 0.25);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(30, 181, 178, 0.18), transparent),
    var(--white);
  position: relative;
  color: var(--teal-600);
}

.icon svg {
  width: 27px;
  height: 27px;
}

.icon path,
.icon rect,
.icon circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.experience {
  background: var(--white);
}

.experience-intro {
  display: grid;
  padding: 92px max(28px, calc((100vw - var(--max)) / 2));
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 58px;
  align-items: center;
}

.experience-intro h2,
.contact h2 {
  color: var(--white);
}

.experience-intro p,
.contact-copy p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
}

.portrait-frame {
  overflow: hidden;
  height: 348px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(248, 250, 251, 0.06);
  box-shadow: 0 26px 76px rgba(0, 0, 0, 0.24);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 26%;
  filter: saturate(0.9) contrast(1.03);
  opacity: 0.94;
}

.experience-detail {
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px 96px;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
}

.metric-row {
  display: grid;
  grid-column: 1 / -1;
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}

.metric-row div {
  padding: 26px 18px 28px 0;
}

.metric-row strong {
  display: block;
  color: var(--navy-800);
  font-size: 26px;
}

.metric-row span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.timeline-panel,
.affiliation-panel,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 56px rgba(14, 43, 71, 0.08);
}

.timeline-panel {
  padding: 34px;
}

.timeline {
  display: grid;
  margin: 28px 0 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  display: grid;
  min-height: 64px;
  align-items: start;
  border-left: 1px solid rgba(30, 181, 178, 0.38);
  padding: 0 0 22px 28px;
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 1fr);
  column-gap: 18px;
}

.timeline li::before {
  position: absolute;
  top: 4px;
  left: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal-500);
  content: "";
}

.timeline strong,
.company-brand {
  color: var(--navy-800);
  font-size: 20px;
  text-transform: uppercase;
}

.company-brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  display: inline-flex;
  min-width: 148px;
  align-items: center;
  color: var(--navy-800);
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1;
  text-transform: none;
}

.logo-vivid {
  color: #101f38;
  font-weight: 900;
}

.logo-grubhub {
  color: #182a40;
  font-weight: 900;
}

.logo-amazon {
  color: #111827;
  font-weight: 900;
}

.logo-cisco {
  color: #243b55;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.logo-ge {
  color: #243b55;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.timeline span {
  color: var(--muted);
  font-size: 14px;
}

.external-logo {
  display: inline-flex;
  width: 66px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(14, 43, 71, 0.1);
  border-radius: 8px;
  padding: 8px;
  background: rgba(248, 250, 251, 0.86);
}

.external-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.external-logo-dark {
  border-color: rgba(14, 43, 71, 0.2);
  background: var(--navy-800);
}

.external-logo-dark img {
  filter: brightness(0) invert(1);
}

.affiliation-panel {
  padding: 28px;
}

.affiliation-panel h3 {
  margin-top: 28px;
}

.affiliation-panel h3:first-child {
  margin-top: 0;
}

.affiliation-panel p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.affiliation-panel strong {
  color: var(--navy-800);
}

.institution-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: 2px;
  color: var(--navy-800);
  letter-spacing: 0;
}

.logo-1871 {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.logo-org {
  max-width: 220px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.12;
  text-transform: uppercase;
}

.insight-rail {
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.insight-rail article {
  padding: 34px 32px 38px;
  border-right: 1px solid var(--line);
}

.insight-rail article:last-child {
  border-right: 0;
}

.insight-rail span {
  display: block;
  margin-bottom: 28px;
  color: var(--teal-600);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.contact {
  position: relative;
  display: grid;
  overflow: hidden;
  padding: 104px max(28px, calc((100vw - var(--max)) / 2));
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 62px;
}

.contact-copy,
.contact-panel {
  position: relative;
  z-index: 1;
}

.audience-list {
  display: grid;
  max-width: 620px;
  margin-top: 38px;
  gap: 18px;
}

.audience-list div {
  display: grid;
  border-left: 2px solid var(--teal-500);
  padding-left: 18px;
  gap: 3px;
}

.audience-list strong {
  color: var(--white);
  font-size: 15px;
}

.audience-list span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.contact-panel {
  padding: 34px;
}

.contact-panel .button {
  margin-top: 24px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(28px, calc((100vw - var(--max)) / 2));
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.72);
}

.site-footer img {
  width: 198px;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

@media (max-width: 1020px) {
  .hero-grid,
  .experience-intro,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .signal-system {
    min-height: 420px;
  }

  .proof-strip,
  .service-grid,
  .metric-row,
  .insight-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .experience-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    width: min(calc(100% - 22px), 1280px);
    height: 64px;
    padding: 0 14px;
    background: rgba(6, 23, 42, 0.9);
    backdrop-filter: blur(18px);
  }

  .brand img {
    width: 158px;
  }

  .nav-toggle {
    position: relative;
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 12px;
    background: rgba(6, 23, 42, 0.96);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  }

  .site-nav.is-open {
    display: grid;
    gap: 4px;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero {
    padding: 118px 20px 34px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 12vw, 52px);
  }

  .hero-body {
    font-size: 15px;
  }

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

  .signal-system {
    min-height: 330px;
    margin-top: 16px;
  }

  .orbit-outer {
    width: 286px;
    height: 286px;
  }

  .orbit-mid {
    width: 198px;
    height: 198px;
  }

  .orbit-inner {
    width: 112px;
    height: 112px;
  }

  .signal-core {
    width: 82px;
    height: 82px;
  }

  .node {
    max-width: 118px;
    font-size: 10px;
  }

  .node-1 { top: 112px; left: 0; }
  .node-2 { top: 26px; left: 138px; }
  .node-3 { top: 74px; right: 0; }
  .node-4 { right: 0; bottom: 116px; }
  .node-5 { bottom: 74px; left: 0; }
  .node-6 { right: 18px; bottom: 44px; }

  .proof-strip,
  .service-grid,
  .metric-row,
  .insight-rail {
    grid-template-columns: 1fr;
  }

  .proof-strip div,
  .insight-rail article {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .proof-strip div:last-child,
  .insight-rail article:last-child {
    border-bottom: 0;
  }

  .section-light,
  .experience-intro,
  .contact {
    padding-right: 20px;
    padding-left: 20px;
  }

  .section-light {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-heading h2,
  .experience-intro h2,
  .contact h2 {
    font-size: 36px;
  }

  .experience-intro {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .portrait-frame {
    height: 300px;
  }

  .experience-detail {
    padding-right: 20px;
    padding-bottom: 72px;
    padding-left: 20px;
  }

  .timeline-panel {
    padding: 26px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .contact-panel {
    padding: 26px;
  }

  .site-footer {
    display: grid;
    padding-right: 20px;
    padding-left: 20px;
  }

  .site-footer p {
    line-height: 1.7;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}