/* === БАЗА === */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(135deg, #0b572c, #2d8f3e, #c7e479);
  background-attachment: fixed;
  color: #fff;
  overflow-x: hidden;
}

/* === ХЕДЕР === */
header {
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(5px);
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  position: relative;
}

.logo-btn img {
  height: 45px;
  width: auto;
  border-radius: 50%;
  transition: transform 0.3s ease;
}
.logo-btn img:hover { transform: scale(1.1) rotate(-5deg); }

/* === МЕНЮ === */
.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}
.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}
.nav-links a:hover { color: #ffeb3b; }

/* === ДРОПДАУН === */
.dropdown-content {
  position: absolute;
  top: 100%;
  background: rgba(96,96,96,0.9);
  backdrop-filter: blur(6px);
  min-width: 200px;
  border-radius: 8px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.3);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}
.dropdown-content a {
  display: block;
  padding: 10px 15px;
  color: #fff;
}
.dropdown-content a:hover {
  background: #2d8f3e;
  color: #ffeb3b;
}
.nav-links li:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* === КНОПКА-БУРГЕР === */
.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}
.burger div {
  width: 25px;
  height: 3px;
  background-color: #fff;
  margin: 4px;
  transition: all 0.3s ease;
}

/* === КОНТЕНТ === */
main {
  padding: 120px 40px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.profile-pic {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  border: 8px solid #ffeb3b;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
  margin-bottom: 25px;
}
.profile-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
h1 {
  font-size: 2.8rem;
  color: #ffeb3b;
  margin-bottom: 40px;
  text-shadow: 0 3px 6px rgba(0,0,0,0.3);
}
.columns {
  display: flex;
  justify-content: center;
  gap: 40px;
  max-width: 1000px;
  flex-wrap: wrap;
}
.columns p {
  flex: 1;
  min-width: 280px;
  font-size: 1.2rem;
  line-height: 1.6;
  background: rgba(0,0,0,0.4);
  padding: 20px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

/* === КНОПКА ВВЕРХ === */
#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 3000;
  background: #2d8f3e;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
  box-shadow: 0 6px 15px rgba(0,0,0,0.3);
  transition: 0.3s;
}
#scrollTopBtn:hover {
  background: #ff9800;
  transform: scale(1.15);
}

/* === АДАПТИВ === */
@media (max-width: 900px) {
  .columns {
    flex-direction: column;
    align-items: center;
  }
  .columns p {
    max-width: 90%;
    text-align: left;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 70px;
    right: 0;
    width: 200px;
    background: rgba(0,0,0,0.9);
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 10px;
    display: none;
  }
  .nav-links.active {
    display: flex;
  }
  .burger {
    display: flex;
  }
}