:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #a9b8c7;
  --line: rgba(255, 255, 255, 0.16);
  --panel: rgba(7, 15, 22, 0.74);
  --panel-strong: rgba(9, 24, 31, 0.92);
  --cyan: #51d6ff;
  --green: #88ffb1;
  --amber: #ffbc5b;
  --bg: #05080a;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 16%, rgba(81, 214, 255, 0.18), transparent 31rem),
    linear-gradient(135deg, #05080a 0%, #0c1717 48%, #10140d 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 800;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px);
}

.nav a {
  min-width: 76px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  align-items: end;
  gap: 28px;
  min-height: calc(100vh - 104px);
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 64px;
}

.hero::before {
  position: absolute;
  inset: 5% -7% auto auto;
  width: min(58vw, 690px);
  height: min(58vw, 690px);
  border: 1px solid rgba(136, 255, 177, 0.2);
  border-radius: 50%;
  content: "";
  transform: rotate(-18deg);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(5, 8, 10, 0.98) 0%, rgba(5, 8, 10, 0.72) 38%, rgba(5, 8, 10, 0.16) 100%),
    url("../img/hero-technology.png") center / cover no-repeat;
  box-shadow: 0 40px 130px rgba(0, 0, 0, 0.46);
}

.hero-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  mask-image: linear-gradient(90deg, black 0%, transparent 74%);
}

.hero-content {
  min-width: 0;
  max-width: 760px;
  padding: 0 0 34px clamp(20px, 5vw, 56px);
}

.kicker,
.section-eyebrow,
.identity-panel span {
  margin: 0;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: clamp(3.8rem, 9vw, 8.4rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.headline {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--cyan);
  font-size: clamp(1.35rem, 3vw, 2.65rem);
  font-weight: 800;
  line-height: 1.05;
}

.intro {
  min-width: 0;
  max-width: 640px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.intro p {
  margin: 0 0 18px;
}

.intro a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(81, 214, 255, 0.42);
  border-radius: 999px;
  background: rgba(81, 214, 255, 0.1);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 690px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li,
.detail-list li {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.07);
}

.tag-list li {
  padding: 10px 13px;
  border-radius: 999px;
  color: #dcecff;
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-aside {
  display: grid;
  gap: 16px;
  margin: 0 clamp(20px, 4vw, 42px) 34px 0;
}

.portrait-frame {
  width: min(100%, 290px);
  aspect-ratio: 1 / 1.1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(81, 214, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.portrait-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.identity-panel {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(22px);
}

.identity-panel strong {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.02rem;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 16px 0 72px;
}

.section-card {
  min-width: 0;
  min-height: 330px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
}

.section-card:nth-child(2) {
  border-color: rgba(81, 214, 255, 0.34);
}

.section-card:nth-child(3) {
  border-color: rgba(255, 188, 91, 0.34);
}

.section-card h2 {
  margin: 16px 0 14px;
  font-size: 1.35rem;
  line-height: 1.1;
}

.section-copy {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.section-copy p {
  margin: 0 0 14px;
}

.detail-list {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  padding: 10px 12px;
  border-radius: 6px;
  color: #dcecff;
  font-size: 0.88rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 56px;
  }

  .hero-aside {
    max-width: 420px;
    margin: 0 20px 34px;
  }

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

@media (max-width: 680px) {
  .site-shell {
    width: 100vw;
    max-width: 100vw;
    padding: 0 10px;
    overflow: hidden;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    width: calc(100vw - 20px);
    padding: 18px 0;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    overflow: hidden;
  }

  .nav a {
    min-width: 0;
    padding-inline: 8px;
    font-size: 0.78rem;
  }

  .hero {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    padding-top: 38px;
    padding-bottom: 34px;
  }

  .hero-content {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    padding-right: 18px;
    padding-bottom: 18px;
    padding-left: 18px;
  }

  h1 {
    max-width: calc(100vw - 56px);
    margin-top: 16px;
    font-size: clamp(3rem, 15vw, 3.95rem);
  }

  .headline {
    max-width: calc(100vw - 56px);
    margin-top: 18px;
    overflow-wrap: anywhere;
    font-size: clamp(1.25rem, 6.5vw, 1.6rem);
  }

  .intro {
    max-width: calc(100vw - 56px);
    margin-top: 18px;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .tag-list {
    max-width: calc(100vw - 56px);
    gap: 8px;
    margin-top: 20px;
  }

  .tag-list li {
    max-width: 100%;
    padding: 9px 11px;
    font-size: 0.82rem;
  }

  .hero-aside {
    width: calc(100vw - 56px);
    max-width: calc(100vw - 56px);
    margin: 2px 18px 0;
  }

  .portrait-frame {
    width: min(44vw, 160px);
    aspect-ratio: 1;
  }

  .identity-panel {
    display: none;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(5, 8, 10, 0.98) 0%, rgba(5, 8, 10, 0.72) 58%, rgba(5, 8, 10, 0.2) 100%),
      url("../img/hero-technology.png") center / cover no-repeat;
  }

  .section-grid {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    grid-template-columns: 1fr;
  }
}