/* === FÄRGER — Nordisk Sommarnattsglöd === */
:root {
  --sky-dark: #0b1226;          /* Mörk djupblå */
  --sky-mid: #1a2540;           /* Natthimmel */
  --sky-soft: #35476b;          /* Ljusare blågradient */
  --horizon-glow: #ffdcb4;      /* Svag midsommar-glöd */
  --aurora-green: #9ef7d7;      /* Ljus norrskensmint */
  --aurora-violet: #ad9eff;     /* Svag violett glöd */
  --text: #eef6ff;              /* Ljus text */
  --accent: #ffe7ad;            /* Mild varm ljusgul */
  --star-color: #ffffffee;      /* svagt transparent vit */
}

/* === BAKGRUND: Sommarnatten === */
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  padding: 4rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 90%,
    var(--horizon-glow) 0%,
    var(--sky-soft) 35%,
    var(--sky-mid) 70%,
    var(--sky-dark) 100%
  );
  position: relative;
}

/* === STJÄRNOR + NORRSKEN === */
.stars, .stars2, .stars3 {
  position: absolute;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  z-index: 0;
  animation: twinkle 10s ease-in-out infinite alternate;
}

.stars {
  background-image:
    radial-gradient(1px 1px at 20% 30%, var(--star-color), transparent),
    radial-gradient(1px 1px at 70% 60%, var(--star-color), transparent),
    radial-gradient(1px 1px at 40% 80%, var(--star-color), transparent);
  opacity: 0.6;
}

.stars2 {
  background-image:
    radial-gradient(1px 1px at 15% 20%, var(--star-color), transparent),
    radial-gradient(1px 1px at 85% 75%, var(--star-color), transparent),
    radial-gradient(1px 1px at 50% 50%, var(--star-color), transparent);
  opacity: 0.4;
  animation-duration: 14s;
}

.stars3 {
  background-image:
    radial-gradient(1px 1px at 30% 10%, var(--star-color), transparent),
    radial-gradient(1px 1px at 90% 40%, var(--star-color), transparent),
    radial-gradient(1px 1px at 60% 90%, var(--star-color), transparent);
  opacity: 0.8;
  animation-duration: 18s;
}

/* NORRSKENS-SLÄP */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 60% 20%, var(--aurora-green) 0%, transparent 55%),
    radial-gradient(circle at 40% 10%, var(--aurora-violet) 0%, transparent 60%);
  opacity: 0.18;
  filter: blur(40px);
  pointer-events: none;
}

/* TWINKLE */
@keyframes twinkle {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.9; }
}

/* === INNEHÅLL === */
main {
  position: relative;
  z-index: 2;
  max-width: 750px;
  animation: fadein 2.5s ease;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(15px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 2.4rem;
  text-align: left;              /* ändrad från center till left */
  color: var(--aurora-green);
  text-shadow: 0 0 25px rgba(158,247,215,0.4);
  letter-spacing: 0.07em;
}

h2 {
  text-align: left;              /* ändrad från center till left */
  color: var(--accent);
  margin-top: 2.4rem;
}

.subtitle {
  text-align: left;              /* ändrad från center till left */
  font-style: italic;
  opacity: 0.85;
  color: var(--accent);
}

.back {
  margin-top: 3rem;
  text-align: center;
  cursor: pointer;
  color: var(--aurora-violet);
  opacity: 0.85;
  transition: 0.3s ease;
}

.back:hover {
  opacity: 1;
  color: var(--accent);
  text-shadow: 0 0 25px rgba(255,235,190,0.5);
}

.footnote {
  font-size: 0.9rem;
  opacity: 0.7;
  color: var(--aurora-violet);
  font-style: italic;
  margin-top: 2rem;
}
/* === REVEAL ANIMATION === */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 1s ease, transform 1s ease;
}

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