:root {
  --lagoon: #062e36;
  --deep: #0a3d47;
  --coral: #ff5b6b;
  --coral-deep: #e03a4c;
  --mint: #7dd3c2;
  --sand: #f6efe4;
  --muted: #9ec4c8;
  --display: "Lilita One", sans-serif;
  --sans: "Figtree", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--sand);
  background: var(--lagoon);
  line-height: 1.65;
}

.lagoon {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 50% 40% at 80% 10%, rgba(255, 91, 107, 0.22), transparent 55%),
    radial-gradient(ellipse 40% 35% at 10% 90%, rgba(125, 211, 194, 0.12), transparent 50%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 40px,
      rgba(255, 255, 255, 0.015) 40px,
      rgba(255, 255, 255, 0.015) 41px
    );
}

.top,
main,
.footer { position: relative; z-index: 1; }

a { color: var(--mint); }

.top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2.4rem);
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(6, 46, 54, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(125, 211, 194, 0.15);
}

.logo {
  font-family: var(--display);
  font-size: 1.45rem;
  color: var(--coral);
  text-decoration: none;
  letter-spacing: 0.02em;
  margin-right: auto;
  line-height: 1;
}

.logo span {
  display: block;
  font-size: 0.75rem;
  color: var(--mint);
  letter-spacing: 0.14em;
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
}

.top nav a {
  text-decoration: none;
  color: var(--sand);
  font-weight: 600;
  font-size: 0.9rem;
}

.top nav a:hover { color: var(--coral); }

.mail {
  font-weight: 700;
  text-decoration: none;
  font-size: 0.88rem;
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(125, 211, 194, 0.3);
  background: var(--deep);
  cursor: pointer;
  position: relative;
}

.burger::before,
.burger::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--sand);
}

.burger::before { top: 15px; }
.burger::after { bottom: 15px; }

.matchbook {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
  padding: clamp(2rem, 6vh, 4rem) clamp(1rem, 3vw, 2.4rem);
}

.book {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  width: min(980px, 100%);
  min-height: 480px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  transform-origin: left center;
  animation: open-book 1.1s ease both;
}

.cover {
  background:
    radial-gradient(circle at 70% 30%, rgba(255, 91, 107, 0.35), transparent 40%),
    linear-gradient(160deg, #184850, #0b333b);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 3px solid rgba(0, 0, 0, 0.25);
}

.brand {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--coral);
  line-height: 0.95;
}

.bird {
  width: 120px;
  height: 160px;
  margin: 1rem auto;
  background:
    radial-gradient(circle at 50% 20%, var(--coral) 0 18px, transparent 19px),
    radial-gradient(circle at 48% 55%, var(--coral) 0 42px, transparent 43px),
    linear-gradient(160deg, transparent 40%, var(--coral-deep) 40% 55%, transparent 55%);
  position: relative;
  animation: bob 4s ease-in-out infinite;
}

.bird::before {
  content: "";
  position: absolute;
  width: 70px;
  height: 28px;
  background: var(--coral);
  border-radius: 50% 50% 40% 40%;
  left: -36px;
  top: 48px;
  transform: rotate(-20deg);
}

.bird::after {
  content: "";
  position: absolute;
  width: 36px;
  height: 8px;
  background: #f0c24b;
  right: 28px;
  top: 22px;
  border-radius: 4px;
  transform: rotate(12deg);
}

.cover-line {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--mint);
}

.inside {
  background: linear-gradient(180deg, #103940, #0a3038);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--coral);
}

h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1.12;
  font-weight: 400;
  max-width: 18ch;
}

.lead {
  margin: 0 0 1.4rem;
  color: var(--muted);
  max-width: 46ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  text-decoration: none;
  font-weight: 700;
  padding: 0.85rem 1.1rem;
}

.btn.solid {
  background: var(--coral);
  color: #2a0610;
}

.btn.ghost {
  border: 1px solid rgba(125, 211, 194, 0.35);
  color: var(--sand);
}

@keyframes open-book {
  from { opacity: 0; transform: rotateY(18deg) translateY(16px); }
  to { opacity: 1; transform: none; }
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

section {
  padding: clamp(3rem, 7vh, 4.8rem) clamp(1rem, 3vw, 2.4rem);
  border-top: 1px solid rgba(125, 211, 194, 0.12);
}

.hd {
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.hd.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
  line-height: 1.1;
  font-weight: 400;
}

.fan-stage {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
  max-width: 980px;
  margin: 0 auto;
}

.feathers {
  position: relative;
  height: 340px;
  display: grid;
  place-items: center;
}

.feather {
  position: absolute;
  width: 72px;
  height: 220px;
  border: 0;
  border-radius: 50% 50% 45% 45%;
  background: linear-gradient(180deg, var(--coral), #ff8a96 45%, #7dd3c2);
  cursor: pointer;
  transform: rotate(calc((var(--i) - 2) * 16deg)) translateY(-10px);
  transform-origin: 50% 100%;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, filter 0.3s ease;
}

.feather span {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  writing-mode: vertical-rl;
  font-family: var(--display);
  font-size: 0.95rem;
  color: #2a0610;
}

.feather.active,
.feather:hover {
  transform: rotate(calc((var(--i) - 2) * 16deg)) translateY(-28px) scale(1.05);
  filter: brightness(1.08);
}

.fan-card {
  background: var(--deep);
  border: 1px solid rgba(125, 211, 194, 0.2);
  padding: 1.4rem;
  border-radius: 16px 72px 16px 16px;
}

.fan-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 2rem;
  color: var(--coral);
}

.fan-card p {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

.fan-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--sand);
  display: grid;
  gap: 0.35rem;
}

.plan {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  grid-template-areas:
    "a b d"
    "c c e";
  gap: 0.75rem;
  max-width: 900px;
  background: rgba(10, 61, 71, 0.6);
  padding: 1rem;
  border: 1px dashed rgba(125, 211, 194, 0.3);
}

.seat,
.stage-mark {
  border: 0;
  min-height: 110px;
  font: inherit;
  font-weight: 700;
  padding: 1rem;
  cursor: pointer;
  text-align: left;
}

.seat {
  background: #13444e;
  color: var(--sand);
  border: 1px solid rgba(125, 211, 194, 0.2);
}

.seat.active {
  background: var(--coral);
  color: #2a0610;
  border-color: var(--coral);
}

.stage-mark {
  background: rgba(125, 211, 194, 0.12);
  color: var(--mint);
  display: grid;
  place-items: center;
  font-family: var(--display);
  letter-spacing: 0.08em;
  cursor: default;
}

.seat-note {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 60ch;
}

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

.night-strip article {
  background: var(--deep);
  padding: 1.2rem;
  border-top: 3px solid var(--coral);
}

.night-strip span {
  font-family: var(--display);
  color: var(--mint);
  font-size: 1.3rem;
}

.night-strip h3 {
  margin: 0.35rem 0 0.45rem;
  font-family: var(--display);
  font-size: 1.4rem;
}

.night-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.rules article {
  padding: 1.2rem;
  background: linear-gradient(135deg, #0d3a42, #0a3038);
  border-left: 4px solid var(--coral);
}

.rules h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.35rem;
}

.rules p {
  margin: 0;
  color: var(--muted);
}

.addr-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  background: var(--deep);
  padding: 1.5rem;
  border-radius: 18px;
  max-width: 920px;
}

.addr-card address {
  font-style: normal;
  margin: 1rem 0 0;
  line-height: 1.8;
  font-family: var(--display);
  font-size: 1.25rem;
  color: var(--coral);
}

.addr-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 0.55rem;
  align-content: center;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  gap: 0.55rem;
}

details {
  background: var(--deep);
  border: 1px solid rgba(125, 211, 194, 0.15);
  padding: 0.85rem 1rem;
}

summary {
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.2rem;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

details p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.reserve-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  max-width: 1040px;
  margin: 0 auto;
}

.stub {
  margin-top: 1.4rem;
  width: 180px;
  border: 2px dashed var(--coral);
  padding: 1rem;
  text-align: center;
  transform: rotate(-6deg);
  background: rgba(255, 91, 107, 0.08);
}

.stub p {
  margin: 0.25rem 0;
  font-family: var(--display);
  letter-spacing: 0.08em;
  color: var(--coral);
}

.reserve-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: var(--sand);
  color: #163238;
  padding: 1.25rem;
  border-radius: 18px 4px 18px 18px;
}

.reserve-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.reserve-form .full { grid-column: 1 / -1; }

.reserve-form input,
.reserve-form select,
.reserve-form textarea {
  width: 100%;
  border: 1px solid rgba(22, 50, 56, 0.2);
  background: #fff;
  color: #163238;
  padding: 0.75rem;
  font: inherit;
}

.reserve-form button {
  grid-column: 1 / -1;
  justify-self: start;
  border: 0;
  background: var(--coral);
  color: #2a0610;
  font: inherit;
  font-weight: 700;
  padding: 0.9rem 1.15rem;
  cursor: pointer;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--coral-deep);
  font-weight: 700;
}

.footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 2.2rem clamp(1rem, 3vw, 2.4rem) 2.6rem;
  border-top: 1px solid rgba(125, 211, 194, 0.12);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer strong {
  font-family: var(--display);
  color: var(--coral);
  font-size: 1.3rem;
}

.footer p:last-child { grid-column: 1 / -1; }

@media (max-width: 980px) {
  .burger { display: block; }
  .mail { display: none; }

  .top nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem 1.2rem;
    background: rgba(6, 46, 54, 0.98);
  }

  .top nav.open { display: flex; }

  .book,
  .fan-stage,
  .night-strip,
  .rules,
  .addr-card,
  .reserve-grid,
  .reserve-form,
  .plan {
    grid-template-columns: 1fr;
  }

  .plan {
    grid-template-areas:
      "a"
      "b"
      "c"
      "d"
      "e";
  }

  .feathers { height: 280px; }
}

@media (max-width: 640px) {
  .footer { grid-template-columns: 1fr; }
  .book { grid-template-columns: 1fr; min-height: 0; }
  .cover { min-height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  .book,
  .bird { animation: none; }
}