@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Raleway:wght@300;400;500;700&display=swap');

:root {
  --bg: #06090f;
  --panel: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --text: #e8edf5;
  --muted: #8a9ab5;
  --cyan: #00d4ff;
  --purple: #8b5cf6;
  --gold: #fbbf24;
  --green: #10b981;
  --red: #f43f5e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Raleway', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Globe background effect */
body::before {
  content: '';
  position: fixed;
  top: -30%;
  right: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.wrap { position: relative; z-index: 1; max-width: 980px; margin: 0 auto; padding: 56px 24px 80px; }

/* Header */
.page-header { margin-bottom: 56px; }
.dept-label { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan); margin-bottom: 14px; }

h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  color: var(--text);
  text-shadow: 0 0 80px rgba(0,212,255,0.2);
}

h1 .accent { color: var(--cyan); }

.subtitle { margin-top: 22px; font-size: 1.05rem; color: var(--muted); max-width: 58ch; line-height: 1.75; font-weight: 300; }

/* World indicators bar */
.world-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 56px;
  background: var(--panel);
}

.wi {
  padding: 20px 16px;
  border-right: 1px solid var(--border);
  text-align: center;
}

.wi:last-child { border-right: none; }
.wi-num { font-family: 'Bebas Neue', sans-serif; font-size: 1.9rem; display: block; line-height: 1; }
.wi-num.pos { color: var(--green); }
.wi-num.neg { color: var(--red); }
.wi-num.neu { color: var(--cyan); }
.wi-label { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); display: block; margin-top: 6px; }

/* Section */
section { margin-bottom: 52px; }
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to right, var(--border), transparent); }

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 8px 40px rgba(0,212,255,0.06);
}

.card h2 { font-family: 'Bebas Neue', sans-serif; font-size: 1.3rem; letter-spacing: 0.05em; color: var(--cyan); margin-bottom: 12px; }
.card p { color: var(--muted); line-height: 1.75; font-size: 0.97rem; font-weight: 300; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }

.card ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.card ul li { color: var(--muted); font-size: 0.94rem; line-height: 1.6; padding-left: 18px; position: relative; }
.card ul li::before { content: '→'; position: absolute; left: 0; color: var(--cyan); font-size: 0.8rem; }

/* Highlight colors */
.card.purple { border-color: rgba(139,92,246,0.3); }
.card.purple h2 { color: var(--purple); }
.card.gold { border-color: rgba(251,191,36,0.3); }
.card.gold h2 { color: var(--gold); }
.card.green { border-color: rgba(16,185,129,0.3); }
.card.green h2 { color: var(--green); }

/* Equation box */
.equation { background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.2); border-radius: 8px; padding: 16px 20px; font-family: 'Courier New', monospace; color: var(--cyan); font-size: 0.95rem; margin: 14px 0; letter-spacing: 0.02em; text-align: center; }

/* Tags */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.2); color: var(--cyan); padding: 4px 13px; border-radius: 999px; font-size: 0.78rem; letter-spacing: 0.05em; }

@media (max-width: 680px) {
  .world-bar { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .wi:nth-child(2n) { border-right: none; }
}