/* ==========================================================================
   Sham Tourism — night-flight page loader
   ========================================================================== */

.page-loader {
    --page-loader-navy: #0b1f3a;
    --page-loader-navy-deep: #061324;
    --page-loader-teal: #18b7b2;
    --page-loader-cream: #f7f5ef;
    --page-loader-star: rgba(247, 245, 239, 0.92);

    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 18%, rgba(24, 183, 178, 0.16) 0%, transparent 42%),
        radial-gradient(ellipse at 50% 100%, rgba(24, 183, 178, 0.12) 0%, transparent 46%),
        linear-gradient(180deg, var(--page-loader-navy-deep) 0%, var(--page-loader-navy) 58%, #0a2744 100%);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}

html:has(.page-loader:not(.page-loader--done)) {
    overflow: hidden;
}

.page-loader.page-loader--done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(1.045);
}

.page-loader.page-loader--done .page-loader__compass,
.page-loader.page-loader--done .page-loader__flight,
.page-loader.page-loader--done .page-loader__ring-fill,
.page-loader.page-loader--done .page-loader__orbit-dash,
.page-loader.page-loader--done .page-loader__stars,
.page-loader.page-loader--done .page-loader__aurora,
.page-loader.page-loader--done .page-loader__grid,
.page-loader.page-loader--done .page-loader__logo,
.page-loader.page-loader--done .page-loader__logo-anchor,
.page-loader.page-loader--done .page-loader__ground-bar {
    animation-play-state: paused;
}

.page-loader__status {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.page-loader::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 38%, rgba(4, 10, 20, 0.58) 100%);
}

/* --------------------------------------------------------------------------
   Sky
   -------------------------------------------------------------------------- */

.page-loader__sky {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.page-loader__stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: transparent;
}

.page-loader__stars--far {
    box-shadow:
        8vw 12vh var(--page-loader-star),
        14vw 28vh var(--page-loader-star),
        22vw 8vh var(--page-loader-star),
        31vw 41vh var(--page-loader-star),
        38vw 16vh var(--page-loader-star),
        47vw 33vh var(--page-loader-star),
        53vw 6vh var(--page-loader-star),
        61vw 22vh var(--page-loader-star),
        69vw 44vh var(--page-loader-star),
        74vw 11vh var(--page-loader-star),
        81vw 31vh var(--page-loader-star),
        88vw 18vh var(--page-loader-star),
        93vw 39vh var(--page-loader-star),
        11vw 52vh var(--page-loader-star),
        19vw 67vh var(--page-loader-star),
        27vw 58vh var(--page-loader-star),
        42vw 72vh var(--page-loader-star),
        58vw 63vh var(--page-loader-star),
        66vw 78vh var(--page-loader-star),
        79vw 55vh var(--page-loader-star),
        86vw 70vh var(--page-loader-star),
        4vw 84vh var(--page-loader-star),
        96vw 61vh var(--page-loader-star),
        35vw 88vh var(--page-loader-star),
        72vw 91vh var(--page-loader-star);
    animation: page-loader-twinkle 4.8s ease-in-out infinite;
    opacity: 0.55;
}

.page-loader__stars--near {
    width: 3px;
    height: 3px;
    box-shadow:
        6vw 19vh #fff,
        18vw 9vh rgba(24, 183, 178, 0.9),
        29vw 24vh #fff,
        41vw 7vh #fff,
        54vw 19vh rgba(24, 183, 178, 0.85),
        63vw 36vh #fff,
        77vw 8vh #fff,
        91vw 26vh rgba(24, 183, 178, 0.8),
        12vw 46vh #fff,
        24vw 81vh #fff,
        48vw 54vh rgba(24, 183, 178, 0.9),
        71vw 66vh #fff,
        84vw 48vh #fff,
        33vw 63vh #fff,
        57vw 86vh rgba(24, 183, 178, 0.75),
        95vw 82vh #fff;
    animation: page-loader-twinkle 3.2s ease-in-out 0.6s infinite;
    opacity: 0.85;
}

@keyframes page-loader-twinkle {
    0%,
    100% {
        opacity: 0.42;
    }

    50% {
        opacity: 1;
    }
}

.page-loader__grid {
    position: absolute;
    inset: -18%;
    background-image:
        linear-gradient(rgba(24, 183, 178, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 183, 178, 0.07) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at center, black 12%, transparent 68%);
    -webkit-mask-image: radial-gradient(circle at center, black 12%, transparent 68%);
    animation: page-loader-grid-drift 32s linear infinite;
    opacity: 0.7;
}

@keyframes page-loader-grid-drift {
    to {
        transform: rotate(18deg) scale(1.08);
    }
}

.page-loader__aurora {
    position: absolute;
    left: 50%;
    bottom: -18%;
    width: 86%;
    height: 48%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(24, 183, 178, 0.32) 0%, rgba(24, 183, 178, 0.08) 42%, transparent 72%);
    filter: blur(10px);
    animation: page-loader-aurora 7s ease-in-out infinite;
}

.page-loader__aurora--east {
    left: 78%;
    bottom: -8%;
    width: 48%;
    height: 34%;
    background: radial-gradient(ellipse at center, rgba(247, 245, 239, 0.14) 0%, transparent 70%);
    animation-delay: -2.4s;
}

@keyframes page-loader-aurora {
    0%,
    100% {
        opacity: 0.7;
        transform: translateX(-50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translateX(-50%) scale(1.08);
    }
}

/* --------------------------------------------------------------------------
   Stage — compass, flight path, logo
   -------------------------------------------------------------------------- */

.page-loader__stage {
    position: relative;
    z-index: 2;
    width: min(24rem, 88vw);
    height: min(24rem, 88vw);
}

.page-loader__compass {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    animation: page-loader-compass 80s linear infinite;
}

@keyframes page-loader-compass {
    to {
        transform: rotate(360deg);
    }
}

.page-loader__orbit-ring {
    fill: none;
    stroke: rgba(247, 245, 239, 0.1);
    stroke-width: 1;
}

.page-loader__orbit-dash {
    fill: none;
    stroke: rgba(24, 183, 178, 0.7);
    stroke-width: 1.35;
    stroke-linecap: round;
    stroke-dasharray: 5 9;
    animation: page-loader-dash 16s linear infinite;
}

@keyframes page-loader-dash {
    to {
        stroke-dashoffset: -280;
    }
}

.page-loader__tick {
    stroke: rgba(247, 245, 239, 0.28);
    stroke-width: 1.2;
    stroke-linecap: round;
}

.page-loader__tick--major {
    stroke: rgba(24, 183, 178, 0.85);
    stroke-width: 1.7;
}

.page-loader__waypoint {
    fill: var(--page-loader-teal);
    animation: page-loader-waypoint 2.4s ease-in-out infinite;
}

.page-loader__waypoint:nth-child(even) {
    animation-delay: 1.2s;
}

@keyframes page-loader-waypoint {
    0%,
    100% {
        opacity: 0.45;
    }

    50% {
        opacity: 1;
    }
}

.page-loader__flight {
    position: absolute;
    inset: 8%;
    animation: page-loader-fly 7.5s linear infinite;
}

.page-loader__plane {
    position: absolute;
    top: 0;
    left: 50%;
    display: block;
    width: 1.75rem;
    height: 1.75rem;
    transform: translate(-50%, -50%) rotate(90deg);
}

.page-loader__plane svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
    fill: var(--page-loader-cream);
    filter: drop-shadow(0 0 6px rgba(24, 183, 178, 0.85));
}

@keyframes page-loader-fly {
    to {
        transform: rotate(360deg);
    }
}

[dir="rtl"] .page-loader__flight {
    animation-direction: reverse;
}

[dir="rtl"] .page-loader__plane {
    transform: translate(-50%, -50%) rotate(-90deg);
}

.page-loader__seal {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    display: grid;
    place-items: center;
    width: min(13.25rem, 58vw);
    height: min(13.25rem, 58vw);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 38%, rgba(247, 245, 239, 0.12) 0%, rgba(11, 31, 58, 0.55) 62%, rgba(6, 19, 36, 0.8) 100%);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 0 40px rgba(24, 183, 178, 0.22),
        inset 0 0 32px rgba(24, 183, 178, 0.08);
}

.page-loader__seal::before {
    content: '';
    position: absolute;
    inset: -22%;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(24, 183, 178, 0.32) 0%, transparent 68%);
    animation: page-loader-halo 3.2s ease-in-out infinite;
}

@keyframes page-loader-halo {
    0%,
    100% {
        opacity: 0.55;
        transform: scale(0.96);
    }

    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

.page-loader__ring {
    position: absolute;
    inset: -6%;
    width: 112%;
    height: 112%;
    overflow: visible;
}

.page-loader__ring-track {
    fill: none;
    stroke: rgba(247, 245, 239, 0.12);
    stroke-width: 1.6;
}

.page-loader__ring-fill {
    fill: none;
    stroke: var(--page-loader-teal);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-dasharray: 84 255;
    transform-box: fill-box;
    transform-origin: center;
    transform: rotate(-90deg);
    animation: page-loader-ring 1.45s linear infinite;
    filter: drop-shadow(0 0 4px rgba(24, 183, 178, 0.8));
}

@keyframes page-loader-ring {
    to {
        transform: rotate(270deg);
    }
}

.page-loader--complete .page-loader__ring-fill {
    animation: page-loader-ring-finish 0.48s ease forwards;
}

@keyframes page-loader-ring-finish {
    to {
        stroke-dasharray: 339 0;
        transform: rotate(-90deg);
    }
}

.page-loader__logo-anchor {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 82%;
    animation: page-loader-logo-enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.page-loader__logo {
    display: block;
    width: 100%;
    height: auto;
    max-height: 6.5rem;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 0 16px rgba(24, 183, 178, 0.35));
    animation: page-loader-logo-idle 2.8s ease-in-out 0.7s infinite;
}

@keyframes page-loader-logo-enter {
    0% {
        opacity: 1;
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes page-loader-logo-idle {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-3px) scale(1.03);
    }
}

/* --------------------------------------------------------------------------
   Ground progress
   -------------------------------------------------------------------------- */

.page-loader__ground {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 3;
    height: 2px;
    overflow: hidden;
    background: rgba(24, 183, 178, 0.14);
}

.page-loader__ground-bar {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(24, 183, 178, 0.2), var(--page-loader-teal) 55%, var(--page-loader-cream));
    transform: scaleX(0);
    transform-origin: inline-start;
    animation: page-loader-bar 2.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    box-shadow: 0 0 14px rgba(24, 183, 178, 0.9);
}

@keyframes page-loader-bar {
    to {
        transform: scaleX(0.78);
    }
}

.page-loader--complete .page-loader__ground-bar {
    animation: page-loader-bar-finish 0.42s ease forwards;
}

@keyframes page-loader-bar-finish {
    to {
        transform: scaleX(1);
    }
}

.page-loader--complete .page-loader__flight {
    animation-duration: 14s;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .page-loader__stage {
        width: min(20.5rem, 92vw);
        height: min(20.5rem, 92vw);
    }

    .page-loader__seal {
        width: min(11.5rem, 62vw);
        height: min(11.5rem, 62vw);
    }

    .page-loader__logo {
        max-height: 5.5rem;
    }

    .page-loader__plane {
        width: 1.4rem;
        height: 1.4rem;
    }
}

@media print {
    .page-loader {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-loader {
        transition-duration: 0.2s;
    }

    .page-loader.page-loader--done {
        transform: none;
    }

    .page-loader__compass,
    .page-loader__flight,
    .page-loader__orbit-dash,
    .page-loader__grid,
    .page-loader__aurora,
    .page-loader__stars,
    .page-loader__ring-fill,
    .page-loader__logo,
    .page-loader__logo-anchor,
    .page-loader__ground-bar,
    .page-loader__seal::before,
    .page-loader__waypoint {
        animation: none;
    }

    .page-loader__logo-anchor {
        opacity: 1;
        transform: none;
        filter: none;
    }

    .page-loader__logo {
        animation: page-loader-logo-soft 3s ease-in-out infinite;
    }

    .page-loader__ground-bar {
        transform: scaleX(0.55);
    }

    .page-loader--complete .page-loader__ground-bar {
        transform: scaleX(1);
    }

    .page-loader__ring-fill {
        stroke-dasharray: 339;
        transform: rotate(-90deg);
        opacity: 0.45;
    }
}

@keyframes page-loader-logo-soft {
    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.86;
    }
}