/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f0c29;
  --bg2: #1a1545;
  --text: #ffffff;
  --text-dim: rgba(255,255,255,0.7);
  --radius: 20px;
  --transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 12, 41, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 12px 24px;
}
.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
}
.logo__icon { font-size: 1.8rem; }
.logo__text {
  background: linear-gradient(90deg, #a29bfe, #fd79a8, #fdcb6e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn--primary {
  background: linear-gradient(135deg, #a29bfe, #6c5ce7);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.5);
}
.btn--primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.7);
}
.btn--hero {
  background: linear-gradient(135deg, #fdcb6e, #e17055, #fd79a8);
  color: #fff;
  font-size: 1.2rem;
  padding: 16px 40px;
  box-shadow: 0 8px 30px rgba(253, 121, 168, 0.4);
}
.btn--hero:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 40px rgba(253, 121, 168, 0.6);
}
/* Единый стиль кнопок навигации на главной */
.btn--nav {
  background: rgba(255,255,255,0.1) !important;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.2) !important;
  color: #fff !important;
  font-size: 1rem !important;
  padding: 12px 22px !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2) !important;
}
.btn--nav:hover {
  background: rgba(255,255,255,0.18) !important;
  border-color: rgba(255,255,255,0.4) !important;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3) !important;
  transform: translateY(-3px) scale(1.04) !important;
}

.btn--district {
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.85rem;
  padding: 8px 18px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  margin-top: 12px;
}
.btn--district:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-1px);
}

/* === HERO === */
.hero {
  position: relative;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}
.hero__content { position: relative; z-index: 2; }
.hero__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  background: linear-gradient(135deg, #a29bfe 0%, #fd79a8 40%, #fdcb6e 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease both;
}
.hero__subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 12px;
  animation: fadeInUp 0.8s 0.15s ease both;
}
.hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  max-width: 500px;
  margin: 0 auto 32px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero .btn--hero { animation: fadeInUp 0.8s 0.45s ease both; }

/* Stars decoration */
.hero__deco { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.star {
  position: absolute;
  font-size: 1.5rem;
  opacity: 0.4;
  animation: float 4s ease-in-out infinite;
}
.star1 { top: 15%; left: 8%; animation-delay: 0s; }
.star2 { top: 25%; right: 10%; animation-delay: 0.8s; }
.star3 { top: 60%; left: 5%; animation-delay: 1.6s; }
.star4 { top: 70%; right: 8%; animation-delay: 2.4s; }
.star5 { top: 40%; left: 15%; animation-delay: 3.2s; }

/* === CITY SECTION === */
.city {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.city__title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 8px;
}
.city__subtitle {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 48px;
  font-size: 1rem;
}
.city__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* === DISTRICT CARD === */
.district-card {
  position: relative;
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}
.district-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.district-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.12;
  transition: opacity 0.3s ease;
  border-radius: var(--radius);
}
.district-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.2);
}
.district-card:hover::before { opacity: 0.25; }

.district-card__glow {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius) + 2px);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  filter: blur(12px);
}
.district-card:hover .district-card__glow { opacity: 0.6; }

.district-card__emoji {
  font-size: 3.5rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
  transition: transform 0.3s ease;
}
.district-card:hover .district-card__emoji {
  transform: scale(1.15) rotate(-5deg);
}
.district-card__name {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.2;
}
.district-card__desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}
.district-card:hover .district-card__desc {
  max-height: 80px;
  opacity: 1;
}

/* === FOOTER === */
.footer {
  background: rgba(0,0,0,0.3);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 24px;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__logo {
  font-weight: 900;
  font-size: 1.1rem;
  background: linear-gradient(90deg, #a29bfe, #fd79a8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer__copy { color: rgba(255,255,255,0.4); font-size: 0.85rem; }

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(10deg); }
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .city__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .city__grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .district-card { padding: 22px 14px; }
  .district-card__emoji { font-size: 2.8rem; }
}
@media (max-width: 480px) {
  .city__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .district-card__name { font-size: 0.9rem; }
}

/* ── INTEREST BUTTON ── */
.interest-btn {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(0,0,0,0.3);
  border: none; border-radius: 50%;
  width: 34px; height: 34px;
  font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s, background 0.2s;
  z-index: 5;
  backdrop-filter: blur(4px);
}
.interest-btn:hover { background: rgba(0,0,0,0.5); }
.interest-btn.active { background: rgba(255,255,255,0.15); }
.district-card { position: relative; }

/* ── INTEREST PANEL ── */
#interest-panel {
  position: fixed;
  bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120px);
  background: rgba(15,15,30,0.95);
  backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 16px 20px;
  width: min(500px, 92vw);
  z-index: 200;
  transition: transform 0.4s cubic-bezier(.34,1.4,.64,1);
  box-shadow: 0 16px 60px rgba(0,0,0,0.5);
}
#interest-panel.show { transform: translateX(-50%) translateY(0); }
.ip-header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.9rem; font-weight: 700;
  margin-bottom: 10px; color: rgba(255,255,255,0.8);
}
.ip-clear {
  background: none; border: none; color: rgba(255,255,255,0.3);
  cursor: pointer; font-size: 1rem; padding: 0 4px;
}
.ip-clear:hover { color: #fff; }
.ip-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 14px;
}
.ip-tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
}
.ip-btn {
  width: 100%;
  background: linear-gradient(135deg, #A29BFE, #6C5CE7);
  border: none; border-radius: 12px;
  padding: 12px;
  color: #fff; font-size: 0.95rem; font-weight: 800;
  cursor: pointer; font-family: 'Nunito', sans-serif;
  transition: opacity 0.2s, transform 0.1s;
}
.ip-btn:hover { opacity: 0.85; transform: scale(1.02); }