/* ── Background ── */
.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

.background-tile {
  width: 100vw;
  height: 100vw;
  background-image: radial-gradient(
      at 43% 20%,
      hsla(210, 100%, 88%, 1) 0px,
      transparent 50%
    ),
    radial-gradient(at 57% 67%, hsla(200, 100%, 83%, 1) 0px, transparent 50%),
    radial-gradient(at 34% 79%, hsla(200, 100%, 83%, 1) 0px, transparent 50%),
    radial-gradient(at 20% 22%, hsla(210, 100%, 88%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 35%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 63%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(220, 100%, 75%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 0%, hsla(190, 100%, 75%, 1) 0px, transparent 50%);
}

.background-tile-flipped {
  width: 100vw;
  height: 100vw;
  background-image: radial-gradient(
      at 43% 20%,
      hsla(210, 100%, 88%, 1) 0px,
      transparent 50%
    ),
    radial-gradient(at 57% 67%, hsla(200, 100%, 83%, 1) 0px, transparent 50%),
    radial-gradient(at 34% 79%, hsla(200, 100%, 83%, 1) 0px, transparent 50%),
    radial-gradient(at 20% 22%, hsla(210, 100%, 88%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 35%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 63%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(195, 100%, 71%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(220, 100%, 75%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 0%, hsla(190, 100%, 75%, 1) 0px, transparent 50%);
  transform: rotate(180deg) scaleX(-1);
}

/* ── Base ── */
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: "Rubik", sans-serif;
  color: #050505;
}

.container {
  min-height: 100vh;
  padding: 2rem 1rem;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ── Nav ── */
.nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.nav a {
  color: #050505;
  text-decoration: none;
  transition: color 0.2s;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(16px);
}

/* ── Section ── */
.section {
  margin-bottom: 4rem;
  text-align: start;
  display: flex;
  flex-direction: column;
  align-items: start;
  width: 100%;
  gap: 1rem;
}

.hero {
  text-align: left;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

/* ── Typography ── */
.title {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.hero .title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline {
  font-size: 0.85rem;
  font-weight: 400;
  color: #333;
  white-space: nowrap;
}

.text {
  line-height: 1.6;
}

a {
  color: #050505;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

a:hover {
  color: #555;
}

/* ── Card ── */
.card {
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(16px);
  padding: 1.5rem;
  border-radius: 0.75rem;
  width: 100%;
  box-sizing: border-box;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card.about {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}

.card.about .hero-image {
  border-radius: 10px;
  position: relative;
  min-width: 150px;
  min-height: 150px;
  flex-shrink: 0;
}

.card.about .hero-image img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 10px;
}

.card.about .text {
  margin: 0;
}

/* ── Footer ── */
.footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer .social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

/* ── Copy Email Button ── */
.copy-email-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
}

/* ── Toast ── */
.email-copied-alert {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #4849a4;
  color: white;
  padding: 4px 24px;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  animation: fadeIn 0.3s ease-in;
  font-size: 1.5rem;
  z-index: 1000;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.9rem;
  }

  .hero {
    text-align: center;
  }

  .card.about {
    flex-direction: column;
    justify-content: center;
  }

  .title {
    font-size: 1.5rem;
    align-self: center;
  }

  .card.about .hero-image {
    align-self: center;
  }
}