/* ─── Scrollbar (global) ────────────────────────────────────── */
html {
    scrollbar-width: thin;
    scrollbar-color: #008eaa #edf3f6;
}
::-webkit-scrollbar              { width: 8px; height: 8px; }
::-webkit-scrollbar-track        { background: #edf3f6; }
::-webkit-scrollbar-thumb        { min-height: 44px; border: 2px solid #edf3f6; border-radius: 999px; background: #008eaa; }
::-webkit-scrollbar-thumb:hover  { background: #00bfe5; }

/* ─── Variables ─────────────────────────────────────────────── */
:root {
    --sl-bg-0:     #020d18;
    --sl-bg-1:     #04182a;
    --sl-bg-2:     #062034;
    --sl-cyan:     #00d4f5;
    --sl-cyan-dim: rgba(0, 212, 245, .18);
    --sl-white:    #e8f4f8;
}

/* ─── Backdrop ──────────────────────────────────────────────── */
.site-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: var(--sl-bg-0);
    opacity: 1;
    visibility: visible;
    transition: opacity 500ms cubic-bezier(.4,0,.2,1),
                visibility 500ms cubic-bezier(.4,0,.2,1);
    animation: sl-fallback 0s 5s forwards;
}
.site-loader--hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ─── Background layers ─────────────────────────────────────── */

/* Radial glow behind the emblem */
.site-loader__glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 45% at 50% 46%,
            rgba(0, 180, 220, .12) 0%,
            transparent 70%);
    pointer-events: none;
}

/* Subtle dot-grid texture */
.site-loader__grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(0, 180, 220, .22) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%,
                    rgba(0,0,0,.5) 0%, transparent 100%);
    pointer-events: none;
    animation: sl-grid-pulse 6s ease-in-out infinite;
}

/* ─── Panel ─────────────────────────────────────────────────── */
.site-loader__panel {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    animation: sl-panel-in 700ms cubic-bezier(.22,1,.36,1) both;
}

/* ─── Emblem (logo + rings) ─────────────────────────────────── */
.site-loader__emblem {
    position: relative;
    width: 180px;
    height: 180px;
    display: grid;
    place-items: center;
    margin-bottom: 32px;
}

/* SVG orbit rings */
.site-loader__orbit {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    fill: none;
    overflow: visible;
}

.site-loader__orbit circle {
    stroke-width: 1.2;
    stroke-dasharray: 6 18;
    stroke-linecap: round;
}

.site-loader__orbit--outer circle {
    stroke: rgba(0, 212, 245, .55);
    stroke-dasharray: 8 20;
    animation: sl-spin-cw 9s linear infinite;
    transform-origin: 80px 80px;
}

.site-loader__orbit--inner circle {
    stroke: rgba(0, 212, 245, .30);
    stroke-dasharray: 4 14;
    animation: sl-spin-ccw 6s linear infinite;
    transform-origin: 80px 80px;
}

/* Orbiting dots on the outer ring */
.site-loader__dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sl-cyan);
    box-shadow: 0 0 8px var(--sl-cyan), 0 0 18px var(--sl-cyan);
}

.site-loader__dot--a {
    top: calc(50% - 72px - 3px);
    left: calc(50% - 3px);
    animation: sl-orbit-a 9s linear infinite;
    transform-origin: 3px calc(72px + 3px);
}

.site-loader__dot--b {
    top: calc(50% - 3px);
    left: calc(50% + 72px - 3px);
    animation: sl-orbit-b 9s linear infinite;
    transform-origin: calc(-72px + 3px) 3px;
}

/* Logo */
.site-loader__logo {
    position: relative;
    z-index: 3;
    width: auto;
    height: clamp(52px, 9vw, 70px);
    object-fit: contain;
    filter: brightness(0) invert(1);
    animation: sl-logo-in 900ms 200ms cubic-bezier(.22,1,.36,1) both;
}

/* ─── Label ─────────────────────────────────────────────────── */
.site-loader__label {
    font-family: "IBM Plex Sans", "Plus Jakarta Sans", sans-serif;
    font-size: clamp(.82rem, 2vw, .92rem);
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--sl-cyan);
    margin: 0 0 24px;
    opacity: 0;
    animation: sl-label-in 700ms 500ms cubic-bezier(.22,1,.36,1) forwards;
}

/* ─── Progress bar ──────────────────────────────────────────── */
.site-loader__bar {
    width: clamp(180px, 36vw, 260px);
    height: 2px;
    border-radius: 2px;
    background: rgba(0, 212, 245, .12);
    overflow: hidden;
    margin-bottom: 14px;
}

.site-loader__bar span {
    display: block;
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--sl-cyan) 50%, #fff 100%);
    animation: sl-bar 2.6s 300ms cubic-bezier(.4,0,.2,1) forwards;
    transform-origin: left;
    transform: scaleX(0);
}

/* ─── Sub-text ──────────────────────────────────────────────── */
.site-loader__sub {
    font-family: "IBM Plex Sans", sans-serif;
    font-size: .72rem;
    letter-spacing: .08em;
    color: rgba(180, 215, 228, .45);
    margin: 0;
    opacity: 0;
    animation: sl-label-in 600ms 700ms ease forwards;
}

/* ─── Keyframes ─────────────────────────────────────────────── */
@keyframes sl-panel-in {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes sl-logo-in {
    from { opacity: 0; transform: scale(.82); filter: brightness(0) invert(1) blur(4px); }
    to   { opacity: 1; transform: scale(1);   filter: brightness(0) invert(1) blur(0); }
}

@keyframes sl-label-in {
    from { opacity: 0; letter-spacing: .32em; }
    to   { opacity: 1; letter-spacing: .18em; }
}

@keyframes sl-bar {
    0%   { transform: scaleX(0); }
    60%  { transform: scaleX(.85); }
    100% { transform: scaleX(1); }
}

@keyframes sl-spin-cw  { to { transform: rotate(360deg);  } }
@keyframes sl-spin-ccw { to { transform: rotate(-360deg); } }

@keyframes sl-orbit-a  { to { transform: rotate(360deg);  } }
@keyframes sl-orbit-b  { to { transform: rotate(-360deg); } }

@keyframes sl-grid-pulse {
    0%, 100% { opacity: .55; }
    50%       { opacity: .85; }
}

@keyframes sl-fallback {
    to { opacity: 0; visibility: hidden; pointer-events: none; }
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    .site-loader__emblem { width: 150px; height: 150px; }
}

/* ─── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .site-loader { transition-duration: 100ms; }
    .site-loader__panel  { animation: none; opacity: 1; }
    .site-loader__logo   { animation: none; opacity: 1; filter: brightness(0) invert(1); }
    .site-loader__label,
    .site-loader__sub    { animation: none; opacity: 1; }
    .site-loader__bar span          { animation: sl-bar 1.2s forwards; }
    .site-loader__orbit--outer circle,
    .site-loader__orbit--inner circle,
    .site-loader__dot--a,
    .site-loader__dot--b,
    .site-loader__grid   { animation: none; }
}