/* ===== Tokens ===== */
:root {
  --bg-0: #0f0a24;
  --purple-glow: rgba(123, 92, 255, 0.35);
  --pink-glow: rgba(255, 95, 162, 0.28);
  --blue-glow: rgba(79, 124, 255, 0.28);

  --green: #5cff8f;
  --green-strong: #2be673;

  --ink: #f4efff;
  --ink-dim: #cabce8;
  --ink-faint: #9284b8;

  --card-bg: rgba(255, 255, 255, 0.055);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-bg-alt: rgba(0, 0, 0, 0.15);

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --font-display: "Baloo 2", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, -apple-system, sans-serif;

  --maxw: 1120px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

/* ===== Reset ===== */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--bg-0);
  background-image: radial-gradient(circle at 12% 15%, var(--purple-glow), transparent 42%),
    radial-gradient(circle at 88% 5%, var(--pink-glow), transparent 45%),
    radial-gradient(circle at 50% 105%, var(--blue-glow), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 26px);
  background-attachment: fixed;
  overflow-x: hidden;
}
img,
svg {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
}
p {
  margin: 0 0 1em;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green);
  color: #0f0a24;
  padding: 0.75em 1.25em;
  border-radius: 0 0 10px 0;
  font-weight: 600;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}
:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

/* ===== Buttons & tags ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.4em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-family: var(--font-body);
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: radial-gradient(circle at 30% 25%, #8ff0ff, #7b5cff 45%, #ff5fa2 100%);
  color: #150a2e;
  box-shadow: 0 12px 28px -10px rgba(255, 95, 162, 0.55);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--ink);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.tag {
  display: inline-block;
  padding: 0.25em 0.75em;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}
.tag-help {
  background: rgba(92, 255, 143, 0.16);
  color: var(--green);
  border: 1px solid rgba(92, 255, 143, 0.4);
}
.tag-open {
  background: rgba(255, 95, 162, 0.16);
  color: #ff9fc7;
  border: 1px solid rgba(255, 95, 162, 0.4);
}
.tag-filled {
  background: rgba(123, 92, 255, 0.2);
  color: #c7b9ff;
  border: 1px solid rgba(123, 92, 255, 0.45);
}

/* ===== Header / nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(15, 10, 36, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--green);
  letter-spacing: 0.04em;
}
.brand-mark {
  font-size: 1.4rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 64px 0 auto 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: rgba(15, 10, 36, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateY(-140%);
  transition: transform 0.25s ease;
  padding: 0.5rem var(--pad) 1.5rem;
}
.primary-nav.open {
  transform: translateY(0);
}
.primary-nav a {
  padding: 0.85rem 0;
  text-decoration: none;
  font-weight: 500;
  color: var(--ink-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.primary-nav a.active {
  color: var(--green);
}
.nav-cta {
  margin-top: 0.75rem;
  align-self: flex-start;
  background: var(--green);
  color: #0f0a24 !important;
  border-radius: 999px;
  padding: 0.6em 1.3em;
  font-weight: 700;
  border-bottom: none !important;
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }
  .primary-nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 1.75rem;
    background: none;
    border: none;
    padding: 0;
    transform: none;
  }
  .primary-nav a {
    padding: 0;
    border: none;
    font-size: 0.95rem;
  }
  .nav-cta {
    margin-top: 0;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  background: radial-gradient(circle at 50% 0%, rgba(123, 92, 255, 0.35), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.eyebrow {
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 800;
  color: var(--ink);
}
.hero-sub {
  display: block;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  color: var(--green);
  font-weight: 600;
  margin-top: 0.2em;
}
.hero-facts {
  margin: 1.5rem 0 0.5rem;
  display: grid;
  gap: 0.6rem;
}
.hero-facts div {
  display: flex;
  gap: 0.6em;
  flex-wrap: wrap;
}
.hero-facts dt {
  font-weight: 700;
  color: var(--ink-faint);
  min-width: 4.5em;
}
.hero-facts dd {
  margin: 0;
  color: var(--ink-dim);
}
.countdown {
  display: inline-block;
  margin: 1rem 0 0;
  padding: 0.5em 1em;
  border-radius: 999px;
  background: rgba(92, 255, 143, 0.1);
  border: 1px solid rgba(92, 255, 143, 0.3);
  color: var(--green);
  font-weight: 600;
  font-size: 0.9rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.calendar-dropdown {
  position: relative;
  display: inline-flex;
}
.calendar-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 230px;
  max-width: calc(100vw - 2 * var(--pad));
  background: rgba(20, 12, 42, 0.98);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.55);
  z-index: 20;
}
.calendar-menu[hidden] {
  display: none;
}
.calendar-menu-item {
  display: flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.65em 0.8em;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--ink-dim);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  width: 100%;
}
.calendar-menu-item:hover,
.calendar-menu-item:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.hero-art {
  display: flex;
  justify-content: center;
}
.hero-art-frame {
  width: min(100%, 320px);
}
.hero-alien-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
}
.float {
  animation: bob 4.5s ease-in-out infinite;
  transform-origin: center;
}
@keyframes bob {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateY(-10px) rotate(1deg);
  }
}

/* ===== Sections ===== */
.section {
  padding: clamp(3rem, 7vw, 4.5rem) 0;
}
.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.section h2 {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  color: var(--ink);
}
.lede {
  color: var(--ink-dim);
  max-width: 62ch;
  font-size: 1.05rem;
}
.section p a {
  color: var(--green);
  font-weight: 600;
}

.cards {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.two-col {
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.card h3 {
  font-size: 1.15rem;
  color: var(--green);
}
.card p:last-child {
  margin-bottom: 0;
}
.credit {
  color: var(--ink-faint);
  font-size: 0.9rem;
}

/* ===== Timeline ===== */
.timeline {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 780px) {
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}
.timeline-day {
  background: var(--card-bg-alt);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.timeline-day h3 {
  color: var(--ink);
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.6rem;
}
.timeline-day li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6em;
  padding: 0.55rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.timeline-day li:last-child {
  border-bottom: none;
}
.timeline-day time {
  font-weight: 700;
  color: var(--green);
  min-width: 5.5em;
  font-size: 0.9rem;
}
.timeline-day li span:not(.tag) {
  color: var(--ink-dim);
}

/* ===== Activities ===== */
.activity-grid {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .activity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1000px) {
  .activity-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.activity-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.activity-head .emoji {
  font-size: 1.6rem;
}
.activity-card .when {
  color: var(--ink-faint);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* ===== Packing checklist ===== */
.checklist {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.6rem;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.65em;
}
.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.65em;
  cursor: pointer;
  color: var(--ink-dim);
  line-height: 1.4;
}
.checklist input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  margin-top: 0.15em;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  display: grid;
  place-content: center;
  cursor: pointer;
}
.checklist input[type="checkbox"]::before {
  content: "";
  width: 11px;
  height: 11px;
  transform: scale(0);
  transition: transform 0.12s ease;
  border-radius: 3px;
  background: var(--green);
}
.checklist input[type="checkbox"]:checked::before {
  transform: scale(1);
}
.checklist input[type="checkbox"]:checked + span {
  color: var(--ink-faint);
  text-decoration: line-through;
}

/* ===== Help section ===== */
.help-grid {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .help-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.help-cta {
  margin-top: 2rem;
  text-align: center;
}
.rides-card {
  margin-top: 2.5rem;
  text-align: center;
}
.rides-card .btn {
  margin-top: 0.75rem;
}

/* ===== Footer ===== */
.site-footer {
  padding: 2.5rem 0 3.5rem;
  text-align: center;
  color: var(--ink-faint);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer p {
  margin: 0.3em 0;
}
.fine-print {
  font-size: 0.85rem;
  opacity: 0.75;
}
.back-to-top {
  display: inline-block;
  margin-top: 1rem;
  color: var(--green);
  text-decoration: none;
  font-weight: 600;
}