:root {
  --paper: #f7fbff;
  --white: #ffffff;
  --blue: #0077ff;
  --ice: #00c2ff;
  --ink: #0b1220;
  --ink-soft: rgba(11, 18, 32, 0.62);
  --line: rgba(11, 18, 32, 0.1);
  --frost: rgba(255, 255, 255, 0.62);
  --shadow: 0 18px 50px rgba(11, 18, 32, 0.08);
  --display: "Syne", sans-serif;
  --body: "IBM Plex Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100%;
  overflow-x: hidden;
}

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

#webgl {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
}

#webgl.is-interactive {
  pointer-events: auto;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  background: var(--paper);
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.loader-mark {
  width: 46px;
  height: 46px;
}

.loader-copy {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.loader-bar {
  width: 148px;
  height: 1px;
  background: var(--line);
  overflow: hidden;
}

.loader-bar span {
  display: block;
  width: 40%;
  height: 100%;
  background: var(--blue);
  animation: sweep 1.15s ease-in-out infinite;
}

@keyframes sweep {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(320%);
  }
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 2.2rem;
  background: linear-gradient(180deg, rgba(247, 251, 255, 0.88), rgba(247, 251, 255, 0));
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand img {
  width: 34px;
  height: 34px;
  display: block;
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--blue);
}

.scroll-root {
  position: relative;
  z-index: 1;
}

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 8vw;
  pointer-events: none;
}

.section .copy,
.section a,
.section button {
  pointer-events: auto;
}

.copy {
  max-width: 32rem;
  padding: 1.7rem 1.8rem 1.8rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.section-platform .copy,
.section-contact .copy {
  margin-left: auto;
}

.eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 600;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.7rem, 6.4vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.lede,
.section p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 32rem;
}

.lede {
  font-size: 1.12rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.35rem;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  padding: 0.38rem 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.4rem;
  padding: 0.78rem 1.15rem;
  background: var(--blue);
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.cta:hover {
  background: #0066e0;
  transform: translateY(-1px);
}

.footer {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  padding: 2.4rem 8vw 2.6rem;
  background: var(--frost);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.footer h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 0.95rem;
}

.footer p,
.footer small {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

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

.credits {
  grid-column: 1 / -1;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

@media (max-width: 860px) {
  .nav {
    padding: 0.9rem 1.1rem;
  }

  .nav-links {
    gap: 0.95rem;
  }

  .section {
    padding: 6.4rem 1.15rem 3rem;
    align-items: flex-end;
  }

  .section-platform .copy,
  .section-contact .copy {
    margin-left: 0;
  }

  .footer {
    grid-template-columns: 1fr;
    padding: 1.8rem 1.15rem 2rem;
  }

  .brand-name {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loader-bar span {
    animation: none;
    width: 100%;
  }
}