:root {
  --bg: #07111f;
  --bg-soft: #0d1b2f;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --text: #f4f7fb;
  --muted: #b7c5d8;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #45d4ff;
  --accent-2: #74e0a3;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  font-family: 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(--text);
  background:
    radial-gradient(circle at top left, rgba(69, 212, 255, 0.24), transparent 32rem),
    radial-gradient(circle at 75% 20%, rgba(116, 224, 163, 0.16), transparent 28rem),
    linear-gradient(135deg, #07111f 0%, #0b1324 45%, #050914 100%);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 75%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: linear-gradient(135deg, rgba(69, 212, 255, 0.22), rgba(116, 224, 163, 0.18));
  color: var(--text);
  font-size: 0.86rem;
}

nav {
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.6rem);
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover,
nav a:focus {
  color: var(--text);
}

nav a[aria-current="page"] {
  color: var(--accent-2);
}

.section {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-band {
  width: min(1180px, calc(100% - 1rem));
  padding-inline: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 10% 20%, rgba(69, 212, 255, 0.13), transparent 24rem),
    rgba(255, 255, 255, 0.035);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  min-height: 82vh;
}

.compact-hero {
  min-height: 62vh;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 830px;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem, 7vw, 6.7rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.18rem;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.82rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(69, 212, 255, 0.18);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04101e;
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.hero-card,
.card,
.panel,
.project-card,
.timeline-item,
.credential-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: clamp(1.4rem, 3vw, 2rem);
  transform: rotate(1.5deg);
  overflow: hidden;
}

.profile-hero-card {
  padding: 0 0 clamp(1.4rem, 3vw, 2rem);
}

.profile-hero-card > :not(.hero-portrait) {
  margin-right: clamp(1.4rem, 3vw, 2rem);
  margin-left: clamp(1.4rem, 3vw, 2rem);
}

.hero-portrait {
  display: block;
  width: 100%;
  height: clamp(280px, 38vw, 440px);
  margin-bottom: 1.5rem;
  object-fit: cover;
  object-position: center 28%;
  filter: saturate(.88) contrast(1.03);
}

.abstract-mark {
  width: 100%;
  height: 130px;
  margin-bottom: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background:
    radial-gradient(circle at 18% 70%, rgba(116, 224, 163, 0.8), transparent 12%),
    radial-gradient(circle at 72% 28%, rgba(69, 212, 255, 0.9), transparent 13%),
    conic-gradient(from 135deg at 50% 50%, rgba(69, 212, 255, 0.18), rgba(116, 224, 163, 0.38), rgba(255, 255, 255, 0.08), rgba(69, 212, 255, 0.18));
}

.text-link {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--accent-2);
  font-weight: 760;
}

.card-label,
.small,
.disclaimer {
  color: var(--muted);
  font-size: 0.93rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
}

.grid {
  display: grid;
  gap: 1rem;
}

.cards,
.project-grid,
.credential-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.project-card,
.timeline-item,
.credential-card,
.patent-item,
.contact-card {
  padding: 1.25rem;
}

.card p,
.project-card p,
.timeline-item p,
.credential-card p,
.patent-item p,
.panel p,
.contact p {
  color: var(--muted);
}

.interactive-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.interactive-card::after {
  position: absolute;
  inset: auto 1rem 1rem auto;
  color: var(--accent);
  content: "→";
  font-weight: 800;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.interactive-card:hover,
.interactive-card:focus {
  transform: translateY(-5px);
  border-color: rgba(116, 224, 163, 0.7);
  background: linear-gradient(145deg, rgba(69, 212, 255, 0.13), rgba(116, 224, 163, 0.08));
  box-shadow: 0 24px 60px rgba(69, 212, 255, 0.18);
}

.interactive-card:hover::after,
.interactive-card:focus::after {
  opacity: 1;
  transform: translateX(0);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
}

.card-icon-img {
  display: block;
  width: 3rem;
  height: auto;
  margin-bottom: 1rem;
}

.hero-asset {
  width: 100%;
  max-width: 220px;
  margin-top: 1.5rem;
  border-radius: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.section-illustrations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
}

.visual-section {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.section-visual {
  min-height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.8rem;
  background: linear-gradient(180deg, rgba(69, 212, 255, 0.08), rgba(116, 224, 163, 0.05));
}

.illustration-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.6rem;
  background: #0a1725;
  box-shadow: var(--shadow);
}

.illustration-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 500ms ease;
}

.illustration-card::after {
  position: absolute;
  inset: 35% 0 0;
  content: "";
  background: linear-gradient(transparent, rgba(3, 10, 18, .92));
}

.illustration-card > div {
  position: absolute;
  z-index: 1;
  right: 1.4rem;
  bottom: 1.3rem;
  left: 1.4rem;
}

.illustration-card span {
  color: var(--accent-2);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.illustration-card h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.illustration-card:hover img {
  transform: scale(1.035);
}

.patent-visual {
  background:
    radial-gradient(circle at 20% 35%, rgba(116, 224, 163, 0.45), transparent 12rem),
    radial-gradient(circle at 82% 62%, rgba(69, 212, 255, 0.42), transparent 15rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.03));
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(1rem, 3vw, 2rem);
  background: rgba(255, 255, 255, 0.055);
}

.timeline-item span {
  color: var(--accent-2);
  font-weight: 760;
}

.timeline-item h3 {
  margin-bottom: 0.4rem;
}

.timeline-item p {
  margin-bottom: 0;
}

.credentials {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(2rem, 5vw, 4rem);
}

.credential-card {
  background: var(--panel);
}

.credential-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.credential-card li + li {
  margin-top: 0.45rem;
}

.single-column {
  grid-template-columns: 1fr;
}

.about {
  display: grid;
  grid-template-columns: minmax(230px, .55fr) minmax(0, 1.15fr) minmax(240px, .65fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: stretch;
}

.founder-photo-wrap {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.8rem;
  box-shadow: var(--shadow);
}

.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: saturate(.82) contrast(1.04);
}

.founder-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 4rem 1.25rem 1.25rem;
  background: linear-gradient(transparent, rgba(3, 10, 18, .94));
}

.founder-caption strong,
.founder-caption span {
  display: block;
}

.founder-caption span {
  color: var(--muted);
  font-size: .88rem;
}

.founder-profile,
.founder-metrics {
  align-content: center;
}

.section-heading-row,
.profile-story {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, .6fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
}

.section-intro {
  color: var(--muted);
  font-size: 1.12rem;
}

.profile-story {
  align-items: start;
}

.profile-story-copy > p:not(.lead) {
  color: var(--muted);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 2rem;
}

.principles-grid article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, .045);
}

.principles-grid strong,
.principles-grid span {
  display: block;
}

.principles-grid span {
  margin-top: .4rem;
  color: var(--muted);
  font-size: .9rem;
}

.panel {
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: var(--panel-strong);
}

.metrics {
  display: grid;
  gap: 1rem;
}

.metrics a {
  display: block;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.055);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.metrics strong,
.metrics span {
  display: block;
}

.metrics span {
  margin-top: 0.3rem;
  color: var(--muted);
}

.metrics a:hover,
.metrics a:focus {
  transform: translateX(6px);
  border-color: rgba(116, 224, 163, 0.65);
  background: rgba(116, 224, 163, 0.1);
}

.narrow {
  max-width: 820px;
}

.patent-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.patent-item {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.06);
}

.patent-item span {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.patent-item p {
  margin-bottom: 0;
}

.highlight-item {
  background: linear-gradient(145deg, rgba(116, 224, 163, 0.16), rgba(69, 212, 255, 0.08));
}

.muted-item {
  border-style: dashed;
}

.project-grid {
  margin-top: 1.5rem;
}

.project-card:first-child,
.project-card:last-child {
  grid-column: span 2;
}

.disclaimer {
  margin-top: 1.25rem;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.contact-link {
  display: inline-block;
  margin: 0.8rem 0;
  color: var(--accent);
  font-weight: 750;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .about,
  .credentials,
  .contact,
  .section-heading-row,
  .profile-story {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .cards,
  .project-grid,
  .credential-grid,
  .patent-list,
  .section-illustrations {
    grid-template-columns: 1fr;
  }

  .founder-photo-wrap {
    min-height: 520px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .project-card:first-child,
  .project-card:last-child {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  h1 {
    font-size: clamp(2.55rem, 15vw, 4rem);
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }
}