:root {
  --portal-navy: #08101c;
  --portal-navy-soft: #10213a;
  --portal-blue: #1565c0;
  --portal-cyan: #00b0ff;
  --portal-white: #f4f8ff;
  --portal-muted: #9cb6d8;
  --portal-border: rgba(53, 120, 203, 0.22);
  --portal-shadow: 0 24px 70px rgba(2, 11, 26, 0.28);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --space-1: clamp(0.75rem, 0.7rem + 0.3vw, 1rem);
  --space-2: clamp(1rem, 0.95rem + 0.6vw, 1.5rem);
  --space-3: clamp(1.5rem, 1.2rem + 1vw, 2.5rem);
  --space-4: clamp(2rem, 1.5rem + 1.8vw, 4rem);
  --space-5: clamp(3rem, 2rem + 3vw, 6rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: "DM Sans", "Manrope", sans-serif;
}

body.intro-active {
  overflow: hidden;
}

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

a,
button,
input {
  font: inherit;
}

button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

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

.shell-container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, #1565c0, #2196f3);
  color: #fff;
  box-shadow: 0 14px 32px rgba(21, 101, 192, 0.28);
}

.button-secondary {
  border: 1px solid rgba(96, 170, 255, 0.3);
  background: rgba(15, 33, 58, 0.48);
  color: var(--portal-white);
}

.section-heading {
  margin-bottom: var(--space-3);
  text-align: center;
}

.section-heading h2 {
  margin: 0.6rem 0 0.8rem;
  font-family: "Syne", "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 1.2rem + 2vw, 3.4rem);
  line-height: 1.05;
}

.section-heading p {
  margin: 0 auto;
  max-width: 48rem;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-topline {
  position: sticky;
  top: 0;
  z-index: 24;
  backdrop-filter: blur(18px);
}

.page-topline-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
}

.topline-link {
  font-size: 0.92rem;
  font-weight: 600;
}