:root {
  --bg: #07111d;
  --bg-deep: #030812;
  --surface: rgba(9, 28, 45, 0.78);
  --surface-strong: rgba(10, 31, 52, 0.92);
  --line: rgba(150, 209, 255, 0.16);
  --text: #edf5ff;
  --text-soft: rgba(237, 245, 255, 0.72);
  --blue: #1f73ff;
  --blue-soft: #55b7ff;
  --glow: rgba(45, 126, 255, 0.38);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(50, 118, 255, 0.16), transparent 28%),
    radial-gradient(circle at 10% 20%, rgba(101, 191, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #08111c 0%, #030813 52%, #07111d 100%);
}

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

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

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 38vw;
  height: 38vw;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.22;
  z-index: 0;
}

.page-shell::before {
  top: -12vw;
  right: -8vw;
  background: #0d4fd6;
}

.page-shell::after {
  left: -14vw;
  bottom: 10vh;
  background: #108bc7;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  padding: 18px 24px;
  backdrop-filter: blur(18px);
  background: rgba(3, 8, 18, 0.52);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-wrap,
.section-intro,
.values-section,
.future-section,
.footer-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: clamp(160px, 18vw, 220px);
  height: auto;
  filter: drop-shadow(0 10px 26px rgba(31, 115, 255, 0.28));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-soft);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  border-color: rgba(135, 198, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding: 0;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 8, 18, 0.88) 0%, rgba(3, 8, 18, 0.58) 38%, rgba(3, 8, 18, 0.72) 100%),
    linear-gradient(180deg, rgba(7, 17, 29, 0.12) 0%, rgba(7, 17, 29, 0.9) 100%),
    url("../images/culture-banner.jpg") center/cover no-repeat;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 108px));
  margin: 0 auto;
  padding: 96px 0 72px;
  text-align: center;
}

.hero-kicker,
.section-tag,
.future-point span {
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-kicker,
.section-tag {
  font-size: 12px;
  color: #8dc9ff;
}

.hero h1 {
  margin: 18px 0 22px;
/*  max-width: 11ch;*/
  margin-inline: auto;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.05;
  font-weight: 700;
}

.hero-summary {
  max-width: 620px;
  margin: 0;
  margin-inline: auto;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-soft);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  justify-content: center;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 188px;
  padding: 15px 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, #1664ff 0%, #2145ff 100%);
  box-shadow: 0 18px 42px rgba(20, 90, 255, 0.32);
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-button:hover,
.hero-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(20, 90, 255, 0.42);
}

.section-intro,
.values-section,
.future-section {
  position: relative;
  z-index: 2;
  padding: 28px 0 0;
}

.section-intro {
  display: grid;
  gap: 14px;
  padding-top: 36px;
  padding-inline: 8px;
  padding-bottom: 8px;
}

.section-intro h2,
.section-head h2,
.future-card h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
  text-wrap: balance;
}

.section-intro p:last-child,
.section-note,
.future-card p {
  margin: 0;
  max-width: 760px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-soft);
}

.section-intro h2,
.section-head h2 {
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.18);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
  padding: 0 8px 18px;
  border-bottom: 1px solid rgba(157, 212, 255, 0.12);
}

.section-head h2 {
  color: #f6fbff;
}

.section-note {
  max-width: 460px;
  color: rgba(237, 245, 255, 0.78);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.culture-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(157, 212, 255, 0.12);
  background: linear-gradient(180deg, rgba(10, 26, 42, 0.82) 0%, rgba(8, 21, 35, 0.96) 100%);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.culture-card::after {
  content: "";
  position: absolute;
  inset: auto 24px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(132, 201, 255, 0.45), transparent);
}

.culture-card:hover {
  transform: translateY(-6px);
  border-color: rgba(132, 201, 255, 0.26);
  box-shadow: 0 24px 58px rgba(2, 13, 28, 0.4);
}

.culture-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.culture-copy {
  padding: 20px 18px 22px;
}

.culture-copy h3 {
  margin: 0 0 10px;
  font-size: 21px;
  color: #f6fbff;
}

.culture-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.72;
}

.future-section {
  padding: 72px 0 96px;
}

.future-header {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
}

.future-header h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
  text-wrap: balance;
}

.future-header p {
  margin: 18px auto 0;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-soft);
}

.future-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.future-point {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(10, 29, 45, 0.82), rgba(7, 18, 31, 0.96));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  padding: 28px 22px;
}

.future-point span {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--blue-soft);
}

.future-point h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.future-point p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(2, 6, 12, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  color: rgba(237, 245, 255, 0.62);
  font-size: 14px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  transition: color 0.25s ease;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #a5d7ff;
}

@media (max-width: 1080px) {
  .hero {
    min-height: calc(100vh - 88px);
  }

  .hero-content {
    width: min(760px, calc(100% - 64px));
    padding: 72px 0 64px;
  }

  .section-head,
  .future-section {
    display: grid;
  }

  .culture-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .future-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 16px 16px;
  }

  .nav-wrap,
  .hero,
  .section-intro,
  .values-section,
  .future-section,
  .footer-inner {
    width: min(100% - 32px, 1180px);
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 8px;
  }

  .site-nav a {
    padding: 8px 12px;
  }

  .hero {
    min-height: calc(100vh - 72px);
  }

  .hero-backdrop {
    border-radius: 24px;
  }

  .hero-content {
    width: min(100% - 40px, 760px);
    padding: 48px 0;
  }

  .hero h1 {
    max-width: none;
    font-size: 40px;
  }

  .hero-summary {
    font-size: 16px;
  }

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

  .future-section {
    padding: 56px 0 72px;
  }

  .future-card {
    padding: 28px 22px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0 24px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}