html { scroll-behavior: smooth; }
body { background: #7FD3F2; color: #0B2535; font-family: Onest, system-ui, sans-serif; overflow-x: hidden; }
h1, h2, h3, .font-display { font-family: Unbounded, sans-serif; }

/* section backgrounds: no white anywhere */
.bg-sky-grad   { background: linear-gradient(160deg, #7FD3F2 0%, #8FE3E6 55%, #A6F0C4 100%); }
.bg-mint-grad  { background: linear-gradient(180deg, #A6F0C4 0%, #7FE0D0 100%); }
.bg-teal-grad  { background: linear-gradient(160deg, #7FE0D0 0%, #5BC9D9 100%); }
.bg-gold-grad  { background: linear-gradient(170deg, #FBD775 0%, #F5B83D 100%); }
.bg-sunset     { background: linear-gradient(165deg, #FBD775 0%, #F9B866 45%, #8FE3E6 100%); }
.bg-ocean-grad { background: linear-gradient(180deg, #0B3C5D 0%, #08293F 100%); }
.bg-azure-grad { background: linear-gradient(160deg, #5BC9F2 0%, #0EA5E9 100%); }

.glass { background: rgba(125,211,252,.55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(11,60,93,.18); }
.glass-dark { background: rgba(8,41,63,.55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(186,230,253,.25); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0ms); }
.reveal-left.in { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0ms); }
.reveal-right.in { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid #0B3C5D; outline-offset: 3px; border-radius: 8px; }
.snap-row { scroll-snap-type: x mandatory; scrollbar-width: none; }
.snap-row::-webkit-scrollbar { display: none; }
.snap-row > * { scroll-snap-align: start; }

/* ---------- travel animations ---------- */
@keyframes cloudDrift { from { transform: translateX(-30vw); } to { transform: translateX(130vw); } }
@keyframes planeFly   { 0% { transform: translate(-25vw, 40px) rotate(-6deg); } 50% { transform: translate(55vw, -30px) rotate(0deg); } 100% { transform: translate(130vw, -90px) rotate(-8deg); } }
@keyframes balloonUp  { 0% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-40px) rotate(3deg); } 100% { transform: translateY(0) rotate(-3deg); } }
@keyframes bob        { 0%,100% { transform: translateY(0) rotate(-1.5deg); } 50% { transform: translateY(8px) rotate(1.5deg); } }
@keyframes spin       { to { transform: rotate(360deg); } }
@keyframes spinRev    { to { transform: rotate(-360deg); } }
@keyframes twinkle    { 0%,100% { opacity: .2; transform: scale(.7); } 50% { opacity: 1; transform: scale(1.2); } }
@keyframes marquee    { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes pulseRing  { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(2.6); opacity: 0; } }
@keyframes dash       { to { stroke-dashoffset: -60; } }
@keyframes waveMove   { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes flap       { 0%,100% { transform: scaleY(1); } 50% { transform: scaleY(.35); } }
@keyframes floaty     { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes stamp      { 0% { transform: scale(2.2) rotate(-18deg); opacity: 0; } 60% { transform: scale(.92) rotate(-8deg); opacity: 1; } 100% { transform: scale(1) rotate(-8deg); opacity: 1; } }
@keyframes trainGo    { from { transform: translateX(-120%); } to { transform: translateX(110vw); } }
@keyframes shine      { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@keyframes orbit      { to { transform: rotate(360deg); } }
@keyframes typing     { from { width: 0; } to { width: 100%; } }
@keyframes blink      { 50% { opacity: 0; } }
@keyframes planeLoop  { 0% { offset-distance: 0%; } 100% { offset-distance: 100%; } }
@keyframes wiggle     { 0%,100% { transform: rotate(-6deg); } 50% { transform: rotate(6deg); } }

.a-cloud   { position: absolute; animation: cloudDrift var(--t, 60s) linear infinite; animation-delay: var(--dl, 0s); color: #B9ECF7; opacity: var(--o, .85); }
.a-plane   { position: absolute; animation: planeFly var(--t, 22s) linear infinite; animation-delay: var(--dl, 0s); }
.a-balloon { animation: balloonUp var(--t, 7s) ease-in-out infinite; animation-delay: var(--dl, 0s); transform-origin: top center; }
.a-bob     { animation: bob var(--t, 5s) ease-in-out infinite; }
.a-float   { animation: floaty var(--t, 6s) ease-in-out infinite; animation-delay: var(--dl, 0s); }
.a-spin    { animation: spin var(--t, 30s) linear infinite; }
.a-spin-rev{ animation: spinRev var(--t, 30s) linear infinite; }
.a-twinkle { animation: twinkle var(--t, 3s) ease-in-out infinite; animation-delay: var(--dl, 0s); }
.a-wiggle  { animation: wiggle 3s ease-in-out infinite; }
.a-train   { position: absolute; animation: trainGo var(--t, 25s) linear infinite; }
.marquee-track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.pin-pulse::before { content: ""; position: absolute; inset: 0; border-radius: 9999px; background: var(--c, #F5B83D); animation: pulseRing 2.2s ease-out infinite; }
.route-dash { stroke-dasharray: 8 10; animation: dash 1.2s linear infinite; }
.waves { display: flex; width: 200%; animation: waveMove 14s linear infinite; }
.waves.slow { animation-duration: 24s; }
.waves svg { width: 50%; flex: none; }
.shine-text { background: linear-gradient(100deg, #0B3C5D 20%, #0EA5E9 40%, #10B981 50%, #F5B83D 60%, #0B3C5D 80%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 7s linear infinite; }
.stamp { animation: stamp .7s cubic-bezier(.2,1.4,.4,1) both; }
.orbit { animation: orbit var(--t, 14s) linear infinite; }
.tab-active { background: #F5B83D; color: #0B3C5D; }
.caret::after { content: "|"; animation: blink 1s steps(1) infinite; }

details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .chev { transform: rotate(180deg); }
.chev { transition: transform .3s; }

.card-flip { perspective: 1000px; }
.card-flip .inner { position: relative; transition: transform .7s; transform-style: preserve-3d; }
.card-flip:hover .inner, .card-flip:focus-within .inner, .card-flip.flipped .inner { transform: rotateY(180deg); }
.card-flip .face, .card-flip .back { backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.card-flip .back { position: absolute; inset: 0; transform: rotateY(180deg); }

#progressPlane { transition: left .1s linear; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-left, .reveal-right { opacity: 1; transform: none; transition: none; }
  .a-cloud, .a-plane, .a-balloon, .a-bob, .a-float, .a-spin, .a-spin-rev, .a-twinkle, .a-wiggle, .a-train,
  .marquee-track, .waves, .route-dash, .shine-text, .orbit, .pin-pulse::before { animation: none !important; }
  .a-plane { left: 60%; }
}

@keyframes globeSlide { to { transform: translateX(-200px); } }
[data-at] { opacity: .4; transform: scale(.94); transition: opacity .6s, transform .6s; }
[data-at].stamp-on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-at] { opacity: 1; transform: none; } }