/* =========================================================
   MicroMyu UI v2 — clean neon tech style
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --bg: #0b101b;
  --panel: #0e1524;
  --panel-2: #121a2b;
  --text: #dce3ec;
  --muted: #9fb3c8;
  --muted-2: #c0c8d0;
  --primary: #00e0ff;
  --primary-08: rgba(0, 224, 255, .08);
  --primary-12: rgba(0, 224, 255, .12);
  --primary-16: rgba(0, 224, 255, .16);
  --border: rgba(255, 255, 255, .08);
  --border-2: rgba(255, 255, 255, .06);
  --glass: rgba(10, 15, 28, .75);

  /* Radii & Shadows */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --glow: 0 8px 22px rgba(0, 224, 255, .15);

  /* Spacing */
  --sp-1: 6px;
  --sp-2: 10px;
  --sp-3: 14px;
  --sp-4: 18px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 60px;

  /* Motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur: 220ms;

  --panel-border:rgba(0, 224, 255, .25);
  --radius:#00e0ff;

    --primary-color: #00d4ff;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --card-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #a8b3cf;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-tech: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
}

/* ---------- Reset ---------- */
* {
  box-sizing: border-box
}

html,
body {
  margin: 0;
  padding: 0
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Roboto, system-ui, -apple-system, "Segoe UI", Helvetica, Arial;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: #cfeeff;
  text-decoration: none
}

a:hover {
  color: #fff
}

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

/* ---------- Containers & Utilities ---------- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--sp-5)
}

.section {
  padding: var(--sp-8) var(--sp-5)
}

.title {
  font-family: Orbitron, Roboto, sans-serif;
  color: var(--primary);
  margin: 0 0 var(--sp-3)
}

.subtle {
  color: var(--muted-2)
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .02));
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--primary);
  background: var(--primary-08);
  color: #b9f3ff;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.btn:hover {
  background: var(--primary-16);
  transform: translateY(-1px)
}

.btn-outline {
  background: transparent;
  border-color: rgba(0, 224, 255, .5);
  color: #aeeaff;
}

.btn-lg {
  padding: 12px 18px;
  border-radius: 14px
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-5);
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.mobile-menu {
  display: none;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px
}

.logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover
}

.logo a {
  font-family: Orbitron, Roboto, sans-serif;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: .5px
}

.logo2 {
  display: flex;
  align-items: center;
  gap: 12px
}

.logo2 img {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover
}

.logo2 span {
  font-family: Orbitron, Roboto, sans-serif;
  color: var(--glass);
  font-weight: 700;
  letter-spacing: .5px
}

nav a {
  color: #c8d0da;
  opacity: .9;
  margin-left: 18px
}

nav a:hover {
  opacity: 1
}

nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 6px
}


/* ---------- Hero / Sub-hero ---------- */
.hero,
.sub-hero {
  margin-top: 70px
}

.hero {
  min-height: 48vh;
  max-height:60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(1200px 600px at 20% 30%, rgba(0, 224, 255, .2), transparent), #0a0f1c;
  z-index: 1;
  overflow: hidden;
}

.hero h1 {
  font-family: Orbitron, sans-serif;
  color: var(--primary);
  font-size: 42px;
  margin: 0 0 10px
}

.hero p {
  color: var(--muted-2)
}

.sub-hero {
  min-height: 32vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(1200px 600px at 20% 30%, rgba(0, 224, 255, .2), transparent), #0a0f1c;
}

.sub-hero h1 {
  font-family: Orbitron, sans-serif;
  color: var(--primary);
  font-size: 36px;
  margin: 0 0 8px
}

.sub-hero p {
  color: var(--muted-2)
}

/* .hero-visual-plane,
.hero-video,
.hero-video-overlay { position: absolute; inset: 0; z-index: 1; }

.hero-content { position: relative; z-index: 2; }

.hero-video-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(800px 400px at 20% 30%, rgba(0, 224, 255, .18), transparent);
} */

@media (max-width: 1680px) {
  .hero {
    grid-template-columns: 1fr;
    /* 改为单列 */
    min-height: 70vh;
  }

  /* 让视频层变成“背景”，铺满整个 .hero */
  .hero-visual-plane {
    position: absolute;
    /* 关键：脱离文流，充当背景层 */
    inset: 0;
    z-index: 1;
    /* 低于文字 */
    min-height: unset;
  }

  .hero-content {
    z-index: 3;
    /* 高于视频 */
    text-align: center;
    padding: 32px 20px;
  }

  /* 视频铺满容器并随宽高自适应裁切 */
  .hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 80%;
    object-fit: cover;
    /* 关键：按容器裁切，保持比例 */
  }

  /* 叠加一层渐变，提升文字可读性 */
  .hero-video-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
      linear-gradient(to top, rgba(10, 15, 28, .75), rgba(10, 15, 28, .25) 40%, rgba(10, 15, 28, .0) 80%),
      radial-gradient(600px 300px at 20% 30%, rgba(0, 224, 255, .22), transparent);
  }
}

/* ---------- Generic Sections ---------- */
.about,
.scope,
.team,
.policy,
.footer {
  padding: var(--sp-8) 10%
}

/* Scope list */
.scope ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3)
}

.scope li {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border-2);
  padding: 14px 16px;
  border-radius: var(--r-md)
}