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

html { scroll-behavior: smooth; }

body {
  font-family: 'Oswald', sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 80px;
  height: 100vh;
  background: #ffeb3b;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  gap: 30px;
  z-index: 1000;
  box-shadow: 5px 0 20px rgba(255,235,59,0.3);
}

.logo-side {
  font-family: 'Black Ops One', cursive;
  font-size: 1.2rem;
  color: #000;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.nav-icon {
  color: #000;
  font-size: 1.5rem;
  transition: all 0.3s;
  position: relative;
}

.nav-icon:hover {
  color: #fff;
  transform: scale(1.2) rotate(5deg);
}

.main-content {
  margin-left: 80px;
}

/* Hero */
.hero-alt {
  min-height: 100vh;
  background: linear-gradient(135deg, #000 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.noise {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
}

.hero-stamp {
  position: absolute;
  top: 50px;
  right: 50px;
  font-family: 'Permanent Marker', cursive;
  font-size: 1rem;
  color: #ffeb3b;
  border: 3px solid #ffeb3b;
  padding: 10px 20px;
  transform: rotate(15deg);
}

.hero-title {
  font-family: 'Black Ops One', cursive;
  font-size: clamp(4rem, 15vw, 10rem);
  line-height: 0.9;
  text-align: center;
  color: #fff;
  text-shadow: 8px 8px 0 #ffeb3b, -2px -2px 0 #ffeb3b;
  margin-bottom: 20px;
}

.hero-title span {
  color: #ffeb3b;
  text-shadow: 8px 8px 0 #fff, -2px -2px 0 #fff;
}

.hero-subtitle {
  font-family: 'Permanent Marker', cursive;
  font-size: 2rem;
  text-align: center;
  color: #ffeb3b;
  margin-bottom: 30px;
  letter-spacing: 5px;
}

.tape-line {
  width: 200px;
  height: 40px;
  background: rgba(255,235,59,0.3);
  margin: 30px auto;
  position: relative;
  border-left: 3px dashed #ffeb3b;
  border-right: 3px dashed #ffeb3b;
}

/* Buttons */
.btn-grunge {
  font-family: 'Black Ops One', cursive;
  background: #ffeb3b;
  color: #000;
  border: 4px solid #000;
  padding: 15px 40px;
  font-size: 1.3rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  box-shadow: 8px 8px 0 #000;
  position: relative;
}

.btn-grunge:hover {
  transform: translate(4px, 4px);
  box-shadow: 4px 4px 0 #000;
  color: #000;
}

/* Sections */
.section-alt {
  padding: 100px 0;
  position: relative;
}

.bg-black {
  background: #000 !important;
}

.section-title {
  font-family: 'Black Ops One', cursive;
  font-size: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  margin-bottom: 60px;
  color: #fff;
}

.marker {
  background: #ffeb3b;
  color: #000;
  padding: 5px 15px;
  display: inline-block;
  transform: rotate(-2deg);
}

/* Tickets */
.ticket {
  background: linear-gradient(to bottom, #ffeb3b 0%, #ffeb3b 60%, #fff 60%);
  border: 4px dashed #000;
  padding: 30px;
  position: relative;
  transition: all 0.3s;
}

.ticket:hover {
  transform: rotate(-2deg) scale(1.05);
  box-shadow: 10px 10px 0 rgba(255,235,59,0.5);
}

.ticket-header {
  font-family: 'Black Ops One', cursive;
  font-size: 1.8rem;
  color: #000;
  text-align: center;
  margin-bottom: 20px;
}

.ticket-body {
  text-align: center;
  color: #000;
  margin-bottom: 20px;
}

.ticket-date {
  font-family: 'Black Ops One', cursive;
  font-size: 4rem;
  line-height: 1;
}

.ticket-month {
  font-size: 1.5rem;
  font-weight: bold;
}

.ticket-venue {
  font-size: 1.2rem;
  margin-top: 10px;
}

.btn-ticket {
  width: 100%;
  background: #000;
  color: #ffeb3b;
  border: none;
  padding: 15px;
  font-family: 'Black Ops One', cursive;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-ticket:hover {
  background: #ffeb3b;
  color: #000;
}

.ticket-tear {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(90deg, #000 0px, #000 10px, transparent 10px, transparent 20px);
}

/* Polaroids */
.polaroid {
  background: #fff;
  padding: 15px;
  box-shadow: 10px 10px 20px rgba(0,0,0,0.5);
  transition: all 0.3s;
  transform: rotate(-3deg);
}

.polaroid:hover {
  transform: rotate(0deg) scale(1.05);
}

.polaroid-img {
  background: #ffeb3b;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: #000;
  margin-bottom: 15px;
}

.polaroid-caption {
  text-align: center;
  color: #000;
}

.polaroid-caption h3 {
  font-family: 'Permanent Marker', cursive;
  font-size: 1.8rem;
  margin-bottom: 5px;
}

.polaroid-caption p {
  font-size: 1rem;
  margin: 0;
}

/* Vinyl */
.vinyl-container {
  display: flex;
  justify-content: center;
  margin: 40px 0;
}

.vinyl {
  width: 200px;
  height: 200px;
  background: #000;
  border-radius: 50%;
  border: 10px solid #ffeb3b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: #ffeb3b;
  animation: spin 4s linear infinite;
  box-shadow: 0 0 40px rgba(255,235,59,0.5);
}

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

.btn-platform {
  width: 70px;
  height: 70px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 4px solid #ffeb3b;
  background: #000;
  color: #ffeb3b;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-platform:hover {
  background: #ffeb3b;
  color: #000;
  transform: scale(1.1) rotate(5deg);
}

/* Form */
.form-grunge input,
.form-grunge textarea {
  width: 100%;
  background: #1a1a1a;
  border: 3px solid #ffeb3b;
  color: #fff;
  padding: 15px;
  margin-bottom: 20px;
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  transition: all 0.3s;
}

.form-grunge input:focus,
.form-grunge textarea:focus {
  outline: none;
  background: #000;
  box-shadow: 0 0 20px rgba(255,235,59,0.5);
}

.form-grunge textarea {
  resize: none;
}

/* Footer */
.footer-alt {
  background: #ffeb3b;
  color: #000;
  padding: 60px 0 30px;
}

.social-grunge a {
  display: inline-block;
  width: 50px;
  height: 50px;
  background: #000;
  color: #ffeb3b;
  font-size: 1.5rem;
  margin: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  border: 3px solid #000;
}

.social-grunge a:hover {
  transform: rotate(15deg) scale(1.2);
}

.footer-stamp {
  font-family: 'Black Ops One', cursive;
  font-size: 2rem;
  margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .main-content { margin-left: 60px; }
  .hero-stamp { top: 20px; right: 20px; font-size: 0.8rem; }
  .section-alt { padding: 60px 0; }
}