@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Rubik:ital,wght@0,300..900;1,300..900&display=swap');

:root {
  --body-font: 'Poppins', 'Rubik', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Ubuntu', 'Cantarell', 'Noto Sans', 'Arial', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';

  --primary-color: #2057ff;
  --primary-700: #1847d6;
  --bg: #f6f8ff;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e6ecff;
  --red-color: #E11D48;
  --red-700: #BE123C;
  --red-soft: rgba(225, 29, 72, .10);
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-sm: 0 6px 18px rgba(15, 23, 42, .06);
  --radius: 18px;

  --container-max: 980px;

  --fs-1: 2rem;
  --fs-2: 1.15rem;
  --fs-3: .95rem;
  --dark-icon-fs: 1.5rem;

  --fw-1: 900;
  --fw-2: 700;
  --fw-3: 500;
}

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

html, body { height: 100%; }

body, button, input, select { font-family: var(--body-font); }

body {
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(32, 87, 255, .12), transparent 55%),
    radial-gradient(900px 500px at 90% 20%, rgba(32, 87, 255, .10), transparent 55%),
    var(--bg);
  background-repeat: no-repeat;
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 18px;
  font-size: var(--fs-3);
  font-weight: var(--fw-3);
  line-height: 1.65;
  transition: background .3s;
}

.container {
  width: min(var(--container-max), 100%);
  position: relative;
  padding: 90px 14px 18px;
}

.title {
  color: var(--primary-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  position: absolute;
  top: 20px;
  inset-inline-start: 50%;
  transform: translate(-50%, 0);
  font-size: var(--fs-1);
  font-weight: var(--fw-1);
  letter-spacing: .2px;
  transition: color .3s;
}

.title i { font-size: 1.3em; }

.visible-content {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.subjects-container {
  display: grid;
  gap: 12px;
  width: min(720px, 100%);
  margin-inline: auto;
}