:root {
  --bg: #f3f7fc;
  --bg-soft: #eef4fb;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-solid: #ffffff;
  --card: rgba(255, 255, 255, 0.92);
  --card-2: rgba(242, 247, 255, 0.92);
  --line: rgba(28, 55, 94, 0.12);
  --line-strong: rgba(28, 55, 94, 0.2);
  --text: #10223b;
  --text-soft: #42556f;
  --text-muted: #6b7c95;
  --primary: #1f4fd1;
  --primary-strong: #143dbe;
  --accent: #0f8f9d;
  --glow: rgba(31, 79, 209, 0.18);
  --shadow: 0 22px 60px rgba(19, 40, 72, 0.08);
  --shadow-soft: 0 10px 28px rgba(19, 40, 72, 0.06);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1200px;
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(147, 197, 253, 0.28), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(186, 230, 253, 0.42), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, #f3f7fc 38%, #eef3f9 100%);
  color: var(--text);
  min-height: 100vh;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button,
input,
textarea,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  color: var(--text);
}

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

p {
  line-height: 1.72;
  color: var(--text-soft);
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

::selection {
  background: rgba(31, 79, 209, 0.14);
  color: var(--text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}