/* =========================
   RESET + BASE
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: #070b16;
  color: #ffffff;
  overflow-x: hidden;
}

/* =========================
   HERO BACKGROUND
========================= */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 20% 20%, #1b2a55, transparent 40%),
    radial-gradient(circle at 80% 30%, #0f3460, transparent 45%),
    radial-gradient(circle at 50% 80%, #020617, transparent 60%);
  animation: gradientDrift 30s ease-in-out infinite alternate;
}

@keyframes gradientDrift {
  from { filter: hue-rotate(0deg); }
  to   { filter: hue-rotate(25deg); }
}

/* =========================
   STAR FIELD (CSS ONLY)
========================= */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;

  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 100%, transparent),
    radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,0.7) 100%, transparent),
    radial-gradient(1px 1px at 50% 40%, rgba(255,255,255,0.6) 100%, transparent),
    radial-gradient(1px 1px at 70% 10%, rgba(255,255,255,0.9) 100%, transparent),
    radial-gradient(1px 1px at 90% 60%, rgba(255,255,255,0.75) 100%, transparent),
    radial-gradient(1px 1px at 15% 65%, rgba(255,255,255,0.5) 100%, transparent);

  background-size: 400px 400px;
  opacity: 0.35;
  pointer-events: none;
  transform: var(--parallax, translate(0,0));
}

/* =========================
   NAV LINKS
========================= */

.top-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  margin: 0 12px;
  font-size: 0.85rem;
}

.top-links a:hover {
  color: #fff;
}

.top-links {
  position: absolute;
  top: 20px;
  right: 30px;
  display: flex;
  gap: 14px;
  z-index: 10;
}

.top-btn {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.top-btn:hover {
  color: #fff;
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
}

/* =========================
   HERO CONTENT
========================= */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 40px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.hero p {
  opacity: 0.75;
  margin-bottom: 28px;
}

/* =========================
   SEARCH BAR
========================= */
.search-box {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.search-box input {
  width: 260px;
  padding: 14px;
  border-radius: 10px;
  border: none;
  outline: none;
}

.search-box button {
  padding: 14px 20px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  background: #ffffff;
  color: #0b0f1a;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.search-box button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255,255,255,0.3);
}

/* =========================
   PRODUCT RESULTS
========================= */
#results {
  max-width: 1100px;
  margin: 60px auto 120px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.plan {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.plan:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

.plan h3 {
  margin-bottom: 12px;
}

.plan p {
  opacity: 0.85;
  margin: 6px 0;
}

.plan button {
  margin-top: 16px;
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  background: #ffffff;
  color: #0b0f1a;
}

.plan button:hover {
  box-shadow: 0 12px 30px rgba(255,255,255,0.3);
}

/* =========================
   STATIC PAGES
========================= */
.page {
  max-width: 800px;
  margin: 120px auto;
  padding: 0 20px;
}

.page h1 {
  margin-bottom: 24px;
}

.page h3 {
  margin-top: 24px;
}

.page p {
  opacity: 0.85;
  margin-top: 8px;
}

/* =========================
   MOBILE
========================= */
@media (max-width: 600px) {
  .hero {
    padding-top: 100px;
  }
}

@keyframes starTwinkle {
  0% { opacity: 0.25; }
  100% { opacity: 0.4; }
}

body::after {
  animation: starTwinkle 6s ease-in-out infinite alternate;
}