:root {
  --night: #0f1035;
  --night-soft: #1a1d5e;
  --pink: #ff2e97;
  --cyan: #00f5ff;
  --yellow: #ffe600;
  --purple: #b24bff;
  --orange: #ff6b2c;
  --white: #ffffff;
  --font-display: "Paytone One", sans-serif;
  --font: "Rubik", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--white);
  background: linear-gradient(160deg, var(--night) 0%, #2d1b69 40%, #0f1035 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.fireworks-sky {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.confetti-rain {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  overflow: hidden;
}

.confetti-bit {
  position: absolute;
  top: -16px;
  width: 10px;
  height: 10px;
  animation: confettiDrop linear forwards;
}

@keyframes confettiDrop {
  to {
    transform: translateY(110vh) rotate(720deg);
  }
}

.content {
  position: relative;
  z-index: 2;
}

/* Header */
.bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  background: rgba(15, 16, 53, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid rgba(0, 245, 255, 0.35);
}

.bar__logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  margin-right: auto;
}

.bar__nav {
  display: flex;
  gap: 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.bar__nav a:hover {
  color: var(--cyan);
}

.bar__fire {
  font-family: var(--font-display);
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(90deg, var(--pink), var(--orange));
  color: var(--white);
  box-shadow: 0 0 20px rgba(255, 46, 151, 0.5);
  animation: fireBtnPulse 1.5s ease-in-out infinite;
}

@keyframes fireBtnPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.bar__menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.bar__menu span {
  width: 22px;
  height: 3px;
  background: var(--cyan);
  border-radius: 2px;
}

/* Mega hero */
.mega {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.mega__chip {
  display: inline-block;
  background: rgba(255, 230, 0, 0.15);
  border: 2px solid var(--yellow);
  color: var(--yellow);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.mega__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  text-shadow: 0 0 40px rgba(178, 75, 255, 0.5);
}

.mega__neon {
  color: var(--cyan);
  text-shadow:
    0 0 10px var(--cyan),
    0 0 30px var(--pink),
    0 0 60px var(--purple);
  animation: neonFlicker 2.5s ease-in-out infinite;
}

@keyframes neonFlicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.85; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
}

.mega__text {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 28rem;
  margin-bottom: 1.5rem;
}

.mega__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn-fun {
  font-family: var(--font-display);
  font-size: 0.95rem;
  padding: 0.75rem 1.35rem;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-fun:hover {
  transform: translateY(-3px) scale(1.02);
}

.btn-fun--hot {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: var(--white);
  box-shadow: 0 8px 32px rgba(255, 46, 151, 0.45);
}

.btn-fun--cool {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.25);
}

.btn-fun--wide {
  width: 100%;
}

.mega__icons {
  display: flex;
  gap: 0.75rem;
  font-size: 1.75rem;
}

.mega__icons span {
  animation: iconBounce 1.2s ease-in-out infinite;
}

.mega__icons span:nth-child(2) { animation-delay: -0.2s; }
.mega__icons span:nth-child(3) { animation-delay: -0.4s; }
.mega__icons span:nth-child(4) { animation-delay: -0.6s; }
.mega__icons span:nth-child(5) { animation-delay: -0.8s; }

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.mega__photo {
  position: relative;
  justify-self: end;
}

.mega__photo img {
  border-radius: 24px;
  border: 4px solid var(--cyan);
  box-shadow:
    0 0 30px rgba(0, 245, 255, 0.4),
    0 20px 50px rgba(0, 0, 0, 0.4);
  transform: rotate(2deg);
}

.mega__photo::before {
  content: "🎆";
  position: absolute;
  top: -20px;
  right: -10px;
  font-size: 3rem;
  animation: spinSlow 8s linear infinite;
}

@keyframes spinSlow {
  to { transform: rotate(360deg); }
}

/* Animations in */
.zoom-in {
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  animation: zoomIn 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.zoom-in--2 { animation-delay: 0.1s; }
.zoom-in--3 { animation-delay: 0.2s; }
.zoom-in--4 { animation-delay: 0.3s; }

@keyframes zoomIn {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.ring-pop {
  animation: ringPop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s backwards;
}

@keyframes ringPop {
  from {
    opacity: 0;
    transform: scale(0.7);
  }
}

/* Themes */
.fun-row {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.fun-row__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin: 0 0 1.75rem;
  color: var(--yellow);
}

.wiggle {
  animation: wiggleTitle 2s ease-in-out infinite;
}

@keyframes wiggleTitle {
  0%, 100% { transform: rotate(-1deg); }
  50% { transform: rotate(1deg); }
}

.theme-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

a.theme-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.theme-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(178, 75, 255, 0.5);
  border-radius: 20px;
  padding: 0.65rem 0.65rem 1.1rem;
  text-align: center;
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.theme-card--spider { border-color: rgba(255, 46, 46, 0.65); }
.theme-card--bat { border-color: rgba(255, 230, 0, 0.55); }
.theme-card--super { border-color: rgba(0, 100, 255, 0.65); }
.theme-card--police { border-color: rgba(0, 245, 255, 0.55); }
.theme-card--pija { border-color: rgba(178, 75, 255, 0.65); }
.theme-card--pony { border-color: rgba(255, 105, 180, 0.65); }
.theme-card--elsa { border-color: rgba(173, 216, 230, 0.8); }
.theme-card--rapunzel { border-color: rgba(255, 215, 0, 0.6); }
.theme-card--lady { border-color: rgba(255, 46, 151, 0.65); }
.theme-card--mermaid { border-color: rgba(0, 200, 180, 0.65); }
.theme-card--snow { border-color: rgba(255, 105, 180, 0.5); }
.theme-card--stitch { border-color: rgba(0, 245, 255, 0.55); }
.theme-card--unicorn { border-color: rgba(255, 182, 255, 0.75); }
.theme-card--safari { border-color: rgba(139, 195, 74, 0.75); }
.theme-card--korsan { border-color: rgba(180, 50, 40, 0.8); }

.theme-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: 0 12px 40px rgba(178, 75, 255, 0.35);
}

.theme-card__photo {
  display: block;
  width: 100%;
  height: 118px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 0.55rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.theme-card span {
  font-size: 2.35rem;
  display: block;
  margin-bottom: 0.35rem;
}

.theme-card h3 {
  font-family: var(--font-display);
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  line-height: 1.2;
}

.theme-card p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  opacity: 0.88;
}

.pop-card.is-visible {
  animation: popCard 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

@keyframes popCard {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
}

/* Party strip */
.party-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto 3rem;
  padding: 0 1.25rem;
}

.party-strip__box {
  background: linear-gradient(135deg, rgba(255, 46, 151, 0.25), rgba(0, 245, 255, 0.15));
  border-radius: 24px;
  padding: 2rem;
  border: 2px dashed var(--yellow);
}

.party-strip__box h2 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  margin: 0 0 0.75rem;
}

.party-strip__box p {
  margin: 0 0 1.25rem;
  opacity: 0.9;
}

.party-strip img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  object-position: center 35%;
  border-radius: 20px;
  border: 3px solid var(--pink);
  box-shadow: 0 0 30px rgba(255, 46, 151, 0.35);
}

/* Gallery */
.gallery-pop {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.gallery-pop__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.gallery-pop__grid img {
  height: 130px;
  width: 100%;
  object-fit: cover;
  border-radius: 14px;
  border: 2px solid rgba(0, 245, 255, 0.4);
  transition: transform 0.3s;
}

.gallery-pop__grid img:hover {
  transform: scale(1.08) rotate(2deg);
  z-index: 2;
  position: relative;
}

/* Contact / invite */
.invite {
  max-width: 520px;
  margin: 0 auto 4rem;
  padding: 0 1.25rem;
}

.invite__lead {
  text-align: center;
  margin: 0 0 1.1rem;
  font-size: 0.92rem;
  line-height: 1.45;
  opacity: 0.9;
}

.invite__info {
  margin-top: 1.75rem;
  padding: 1.5rem 1.35rem;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(178, 75, 255, 0.45);
  border-radius: 20px;
}

.invite__details {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.invite__details li {
  display: grid;
  gap: 0.2rem;
  font-size: 0.95rem;
  line-height: 1.4;
}

.invite__label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.65;
}

.invite__details a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
}

.invite__details a:hover {
  text-decoration: underline;
}

.invite__info--solo {
  margin-top: 0;
  border-color: var(--cyan);
  box-shadow: 0 0 40px rgba(0, 245, 255, 0.2);
  padding: 2rem 1.75rem;
}

.invite__info--solo h2 {
  font-family: var(--font-display);
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

/* Footer */
.foot-fun {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  opacity: 0.85;
}

.foot-fun__links {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.foot-fun__links a:hover {
  color: var(--cyan);
}

@media (max-width: 860px) {
  .mega,
  .party-strip {
    grid-template-columns: 1fr;
  }

  .mega__photo {
    justify-self: center;
  }

  .gallery-pop__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bar__nav {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--night-soft);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
  }

  .bar__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .bar__menu {
    display: flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }

  .zoom-in {
    opacity: 1;
    transform: none;
  }
}