/* construction.css — Стиль для страницы "В разработке" */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
  background: radial-gradient(ellipse at bottom, #0d1120 0%, #03050b 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
  position: relative;
}

/* --- Звёздный фон --- */
.stars, .twinkling {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 0;
}

.stars {
  background: transparent url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="300" height="300"%3E%3Ccircle cx="30" cy="30" r="1.5" fill="%23ffffff" opacity="0.8"/%3E%3Ccircle cx="90" cy="70" r="1" fill="%23ffffff" opacity="0.6"/%3E%3Ccircle cx="150" cy="120" r="2" fill="%23ffffff" opacity="0.9"/%3E%3Ccircle cx="220" cy="50" r="1.2" fill="%23ffffff" opacity="0.7"/%3E%3Ccircle cx="270" cy="180" r="1.8" fill="%23ffffff" opacity="0.5"/%3E%3Ccircle cx="50" cy="200" r="1.3" fill="%23ffffff" opacity="0.8"/%3E%3Ccircle cx="180" cy="250" r="1" fill="%23ffffff" opacity="0.6"/%3E%3Ccircle cx="280" cy="260" r="1.7" fill="%23ffffff" opacity="0.7"/%3E%3Ccircle cx="120" cy="280" r="1.2" fill="%23ffffff" opacity="0.9"/%3E%3Ccircle cx="10" cy="150" r="1.5" fill="%23ffffff" opacity="0.6"/%3E%3C/svg%3E') repeat;
  background-size: 300px 300px;
  animation: starMove 60s linear infinite;
}

.twinkling {
  background: transparent url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="200" height="200"%3E%3Ccircle cx="40" cy="40" r="2" fill="%23ffffff" opacity="0.3"/%3E%3Ccircle cx="120" cy="80" r="2.5" fill="%23ffffff" opacity="0.2"/%3E%3Ccircle cx="180" cy="30" r="1.8" fill="%23ffffff" opacity="0.4"/%3E%3Ccircle cx="80" cy="160" r="2.2" fill="%23ffffff" opacity="0.25"/%3E%3Ccircle cx="160" cy="180" r="1.5" fill="%23ffffff" opacity="0.35"/%3E%3C/svg%3E') repeat;
  background-size: 200px 200px;
  animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes starMove {
  0% { background-position: 0 0; }
  100% { background-position: 300px 300px; }
}

@keyframes twinkle {
  0% { opacity: 0.2; }
  100% { opacity: 0.8; }
}

/* --- Анимированные частицы --- */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(107, 143, 201, 0.3);
  border-radius: 50%;
  animation: float 8s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 6s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; animation-duration: 8s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; animation-duration: 7s; }
.particle:nth-child(4) { left: 40%; animation-delay: 0.5s; animation-duration: 9s; }
.particle:nth-child(5) { left: 50%; animation-delay: 1.5s; animation-duration: 6.5s; }
.particle:nth-child(6) { left: 60%; animation-delay: 2.5s; animation-duration: 7.5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 0.8s; animation-duration: 8.5s; }
.particle:nth-child(8) { left: 80%; animation-delay: 1.8s; animation-duration: 6.8s; }
.particle:nth-child(9) { left: 90%; animation-delay: 2.2s; animation-duration: 7.2s; }
.particle:nth-child(10) { left: 95%; animation-delay: 0.3s; animation-duration: 9.5s; }

@keyframes float {
  0%, 100% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* --- Контейнер --- */
.container {
  position: relative;
  z-index: 2;
  max-width: 700px;
  width: 100%;
  background: rgba(10, 14, 30, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 3.5rem;
  padding: 3rem 2.5rem;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(120, 140, 255, 0.08),
    inset 0 0 80px rgba(60, 80, 200, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.03);
  text-align: center;
  animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.glow-ring {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 120%;
  height: 140%;
  background: radial-gradient(circle at 50% 50%, rgba(80, 120, 255, 0.04), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
  z-index: -1;
}

/* --- Иконка --- */
.icon-wrapper {
  font-size: 4rem;
  color: #6b8fc9;
  margin-bottom: 1.5rem;
  animation: spin 4s linear infinite;
}

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

/* --- Заголовок --- */
h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #ecefff;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #6b8fc9, #f5a623);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.subtitle {
  color: #a4b3d1;
  font-size: 1.1rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.subtitle i {
  color: #6b8fc9;
}

/* --- Прогресс-бар --- */
.progress-wrapper {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 2rem;
  padding: 1.5rem 2rem;
  margin: 1.5rem 0 2rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6b8fc9, #f5a623, #5865f2);
  background-size: 300% 300%;
  border-radius: 10px;
  transition: width 0.3s ease;
  animation: gradientMove 2s ease-in-out infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.progress-text {
  color: #8a9bb8;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* --- Сообщение --- */
.message-box {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1.5rem;
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  gap: 1.2rem;
  text-align: left;
  align-items: flex-start;
}

.message-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.message-content {
  flex: 1;
}

.message-title {
  color: #ecefff;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.message-desc {
  color: #8a9bb8;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.message-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.3rem;
}

.message-list span {
  color: #a4b3d1;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.message-list i {
  color: #4ade80;
  font-size: 0.7rem;
}

/* --- Кнопки --- */
.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 1rem;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.8rem;
  border-radius: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  border: none;
}

.nav-btn.primary {
  background: linear-gradient(135deg, #6b8fc9, #5865f2);
  color: white;
  box-shadow: 0 4px 20px rgba(88, 101, 242, 0.3);
}

.nav-btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(88, 101, 242, 0.4);
}

.nav-btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: #a4b3d1;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ecefff;
  transform: translateY(-3px);
}

/* --- Случайное сообщение --- */
.random-message {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: #a4b3d1;
  font-size: 1.1rem;
  animation: fadeInUp 0.5s ease-out;
}

.random-message i {
  color: #f5b84a;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Footer --- */
footer {
  margin-top: 2rem;
  color: #6c7b9c;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* --- Адаптив --- */
@media (max-width: 600px) {
  .container {
    padding: 2rem 1.5rem;
    border-radius: 2.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .icon-wrapper {
    font-size: 3rem;
  }
  
  .message-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .message-list {
    justify-content: center;
  }
  
  .nav-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav-btn {
    justify-content: center;
  }
}

@media (max-width: 400px) {
  h1 {
    font-size: 1.6rem;
  }
  
  .subtitle {
    font-size: 0.9rem;
  }
}