:root {
  --bg: #060816;
  --bg-2: #0b1024;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --line: rgba(120, 232, 255, 0.28);
  --text: #f7fbff;
  --muted: #aab6c8;
  --cyan: #28d9ff;
  --teal: #33f0ba;
  --violet: #b65cff;
  --amber: #ffb347;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 15%, rgba(40, 217, 255, 0.22), transparent 30rem),
    radial-gradient(circle at 88% 10%, rgba(182, 92, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 78% 78%, rgba(51, 240, 186, 0.13), transparent 25rem),
    linear-gradient(145deg, var(--bg), var(--bg-2) 52%, #050712);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(115deg, transparent 0 38%, rgba(40, 217, 255, 0.08) 38.2%, transparent 39%),
    linear-gradient(65deg, transparent 0 62%, rgba(182, 92, 255, 0.08) 62.2%, transparent 63%);
  opacity: 0.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 18px 22px 0;
}

.nav {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 28, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 15px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
  background: linear-gradient(135deg, rgba(40, 217, 255, 0.28), rgba(182, 92, 255, 0.24));
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 26px rgba(40, 217, 255, 0.35), inset 0 0 24px rgba(255, 255, 255, 0.08);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 18px rgba(40, 217, 255, 0.22);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: currentColor;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 86px 0;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.hero-content,
.paper-panel,
.about-card,
.contact-card,
.split-card,
.project-card,
.principle {
  position: relative;
  border: 1px solid rgba(120, 232, 255, 0.22);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.055));
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(18px);
}

.hero-content {
  padding: clamp(30px, 5vw, 58px);
  border-radius: 30px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.2;
}

.hero-text {
  max-width: 720px;
  margin: 24px 0 0;
  color: #d9e7f8;
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.hero-note {
  margin: 14px 0 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button,
.learn-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.primary {
  color: #06101a;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  box-shadow: 0 0 30px rgba(40, 217, 255, 0.32);
}

.secondary,
.learn-more {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.secondary:hover,
.learn-more:hover {
  box-shadow: 0 0 24px rgba(182, 92, 255, 0.28);
}

.paper-panel {
  padding: 28px;
  border-radius: var(--radius);
}

.paper-panel h2 {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  margin-bottom: 20px;
}

.paper-panel ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.paper-panel li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.paper-panel li:last-child {
  border-bottom: 0;
}

.paper-panel span {
  color: var(--muted);
}

.paper-panel strong {
  color: var(--text);
  text-align: right;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
}

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

.project-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -45% 20%;
  height: 160px;
  background: radial-gradient(circle, rgba(40, 217, 255, 0.16), transparent 68%);
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(51, 240, 186, 0.46);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.44), 0 0 28px rgba(40, 217, 255, 0.2);
}

.project-card p,
.principle p,
.about-card p,
.contact-card p,
.split-card p {
  color: var(--muted);
}

.product-symbol {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    linear-gradient(135deg, rgba(40, 217, 255, 0.26), rgba(182, 92, 255, 0.18)),
    rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.08), 0 0 24px rgba(40, 217, 255, 0.23);
}

.product-symbol::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  margin: 15px auto;
  border: 3px solid var(--cyan);
  border-radius: 8px;
}

.car::before {
  border-radius: 10px 10px 6px 6px;
  box-shadow: -9px 16px 0 -6px var(--cyan), 9px 16px 0 -6px var(--cyan);
}

.travel::before {
  border-radius: 7px;
  border-color: var(--amber);
}

.home::before {
  width: 24px;
  height: 22px;
  transform: rotate(45deg);
  border-radius: 5px;
  border-color: var(--teal);
}

.plane::before {
  width: 30px;
  height: 12px;
  margin-top: 22px;
  border-color: var(--violet);
  transform: rotate(-30deg);
}

.boat::before {
  width: 32px;
  height: 18px;
  margin-top: 22px;
  border-radius: 4px 4px 16px 16px;
  border-color: var(--cyan);
}

.suite::before {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  border-color: var(--teal);
  box-shadow: 10px 10px 0 -4px rgba(51, 240, 186, 0.82);
}

.status {
  align-self: flex-start;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.in-dev {
  color: #04130e;
  background: var(--teal);
}

.planning {
  color: #06101a;
  background: var(--cyan);
}

.future {
  color: #140a1f;
  background: #d8a6ff;
}

.learn-more {
  margin-top: auto;
  align-self: flex-start;
}

.about-card,
.contact-card,
.split-card {
  padding: clamp(28px, 5vw, 50px);
  border-radius: 28px;
}

.about-card p {
  max-width: 920px;
}

.principle {
  min-height: 190px;
  padding: 22px;
  border-radius: var(--radius);
}

.principle h3 {
  margin-bottom: 10px;
}

.split-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: start;
}

.contact-card {
  text-align: center;
}

.contact-card p {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 30px 0 42px;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav {
    border-radius: 24px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 86px;
    left: 22px;
    right: 22px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(8, 12, 28, 0.94);
    backdrop-filter: blur(18px);
  }

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

  .nav-links a {
    text-align: center;
  }

  .hero,
  .split-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .site-header {
    padding: 12px 12px 0;
  }

  .brand small {
    display: none;
  }

  .section {
    width: min(100% - 24px, 1180px);
    padding: 58px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-content,
  .paper-panel,
  .about-card,
  .contact-card,
  .split-card {
    border-radius: 22px;
  }

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

  .paper-panel li {
    flex-direction: column;
    gap: 2px;
  }

  .paper-panel strong {
    text-align: left;
  }
}