@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  /* Additional spacing so sections land slightly lower than the header */
  --nav-extra-offset: 12px;
}

#root {
  width: 100%;
  margin: 0;
  padding: 0;
  text-align: left;
}

.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
  filter: drop-shadow(0 0 2em #61dafbaa);
}

@keyframes logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: no-preference) {
  a:nth-of-type(2) .logo {
    animation: logo-spin infinite 20s linear;
  }
}

.card {
  padding: 2em;
}

.read-the-docs {
  color: #888;
}

/* Fluid gradient background shared by Header + Hero */
.home-hero-gradient {
  position: relative;
  isolation: isolate; /* ensure header backdrop-blur only blurs this background */
  /* Layered, responsive gradients */
  --accent-pink: 255 182 193;   /* light rose */
  --accent-lilac: 205 180 219;  /* soft lilac */
  --accent-sky: 173 216 230;    /* light sky */

  background-image:
    radial-gradient(60vw 60vw at 15% 10%, rgba(var(--accent-pink) / 0.35), rgba(255 255 255 / 0) 60%),
    radial-gradient(50vw 50vw at 85% 5%, rgba(var(--accent-lilac) / 0.35), rgba(255 255 255 / 0) 55%),
    radial-gradient(65vw 50vw at 80% 70%, rgba(var(--accent-sky) / 0.30), rgba(255 255 255 / 0) 60%);

  /* Give hero breathing room so gradient is visible */
  padding-bottom: 2rem;
}

@media (max-width: 768px) {
  .home-hero-gradient {
    background-image:
      radial-gradient(80vw 80vw at 20% 8%, rgba(var(--accent-pink) / 0.38), rgba(255 255 255 / 0) 62%),
      radial-gradient(70vw 70vw at 85% 0%, rgba(var(--accent-lilac) / 0.34), rgba(255 255 255 / 0) 58%),
      radial-gradient(90vw 70vw at 60% 75%, rgba(var(--accent-sky) / 0.28), rgba(255 255 255 / 0) 62%);
    padding-bottom: 1.5rem;
  }
}

/* Ensure in-flow sections account for sticky navigation height when scrolled into view */
.section-anchor {
  scroll-margin-top: calc(var(--nav-height, 64px) + var(--nav-extra-offset, 0px));
}