/* ═══════════════════════════════════════════════════════════════════
   LOADER — Mamun's Ortho Dental White Theme Logo Reveal
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Full-Screen Overlay ─── */
.mod-loader {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 1.1s cubic-bezier(0.76, 0, 0.24, 1);
}

.mod-loader.slide-up {
    transform: translateY(-100%);
}

/* ─── Subtle Radial Glow ─── */
.mod-loader__glow {
    position: absolute;
    width: min(400px, 90vw);
    height: min(400px, 90vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 69, 145, 0.04) 0%, transparent 70%);
    opacity: 0;
    animation: modGlowIn 1.5s ease 0.2s forwards;
}

@keyframes modGlowIn {
    to { opacity: 1; }
}

/* ─── Logo Assembly Container ─── */
.mod-loader__logo {
    position: relative;
    width: min(220px, 55vw);
    height: min(220px, 55vw);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── Thin Ring Around Logo ─── */
.mod-loader__ring {
    position: absolute;
    inset: -12px;
    border-radius: 50%;
    border: 1px solid rgba(0, 69, 145, 0.08);
    opacity: 0;
    animation: modRingReveal 1s ease 1.2s forwards;
}

@keyframes modRingReveal {
    to { opacity: 1; }
}

/* ─── Outer Rotating Dashed Ring ─── */
.mod-loader__orbit {
    position: absolute;
    inset: -30px;
    border-radius: 50%;
    border: 1.5px dashed rgba(234, 116, 27, 0.12);
    opacity: 0;
    animation: modRingReveal 1s ease 1.4s forwards,
               modOrbitSpin 30s linear 1.4s infinite;
}

@keyframes modOrbitSpin {
    to { transform: rotate(360deg); }
}

/* ─── Orbit Dot ─── */
.mod-loader__orbit-dot {
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #ea741b;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(234, 116, 27, 0.4);
}

/* ─── SVG Wrapper (animates as a whole) ─── */
.mod-loader__svg-wrap {
    position: relative;
    z-index: 2;
    width: min(160px, 40vw);
    height: min(160px, 40vw);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    filter: blur(6px);
    animation: modSvgReveal 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

@keyframes modSvgReveal {
    0% {
        opacity: 0;
        transform: scale(0.8);
        filter: blur(6px);
    }
    100% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0px);
    }
}

/* ─── SVG Logo ─── */
.mod-loader__svg-wrap svg {
    width: 100%;
    height: 100%;
}

/* ─── Staggered Path Fade-In ─── */
.mod-loader__svg-wrap .cls-1,
.mod-loader__svg-wrap .cls-2,
.mod-loader__svg-wrap .cls-3 {
    opacity: 0;
}

.mod-loader__svg-wrap .cls-1 {
    animation: modPathFade 1.2s ease 0.5s forwards;
}

.mod-loader__svg-wrap .cls-3 {
    animation: modPathFade 1.2s ease 0.8s forwards;
}

.mod-loader__svg-wrap .cls-2 {
    animation: modPathFade 1.2s ease 1.1s forwards;
}

@keyframes modPathFade {
    to { opacity: 1; }
}

/* ─── Shine Sweep ─── */
.mod-loader__shine {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    overflow: hidden;
    z-index: 3;
    pointer-events: none;
}

.mod-loader__shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        100deg,
        transparent 30%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 70%
    );
    animation: modShineSweep 2.5s ease-in-out 1.8s infinite;
}

@keyframes modShineSweep {
    0%   { left: -100%; }
    100% { left: 200%; }
}

/* ─── Text Reveal ─── */
.mod-loader__text {
    margin-top: min(40px, 8vw);
    text-align: center;
    padding: 0 16px;
}

.mod-loader__brand-line {
    overflow: hidden;
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.mod-loader__brand {
    font-size: clamp(1.1rem, 4vw, 1.6rem);
    font-weight: 800;
    color: #004591;
    letter-spacing: 5px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(100%);
    animation: modTextReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 1.6s forwards;
}

.mod-loader__sub {
    font-size: clamp(0.5rem, 2.2vw, 0.68rem);
    font-weight: 500;
    color: #ea741b;
    letter-spacing: 6px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(100%);
    animation: modTextReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 1.85s forwards;
}

@keyframes modTextReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Bottom Progress Line ─── */
.mod-loader__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 69, 145, 0.04);
}

.mod-loader__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #004591, #ea741b);
    border-radius: 0 2px 2px 0;
    transition: width 0.25s ease;
    box-shadow: 0 0 12px rgba(234, 116, 27, 0.3);
}

/* ─── Decorative Corner Lines ─── */
.mod-loader__corner {
    position: absolute;
    width: 60px;
    height: 60px;
    opacity: 0;
    animation: modCornerIn 0.8s ease 2s forwards;
}

.mod-loader__corner--tl {
    top: 40px;
    left: 40px;
    border-top: 1px solid rgba(0, 69, 145, 0.08);
    border-left: 1px solid rgba(0, 69, 145, 0.08);
}

.mod-loader__corner--tr {
    top: 40px;
    right: 40px;
    border-top: 1px solid rgba(0, 69, 145, 0.08);
    border-right: 1px solid rgba(0, 69, 145, 0.08);
}

.mod-loader__corner--bl {
    bottom: 40px;
    left: 40px;
    border-bottom: 1px solid rgba(234, 116, 27, 0.08);
    border-left: 1px solid rgba(234, 116, 27, 0.08);
}

.mod-loader__corner--br {
    bottom: 40px;
    right: 40px;
    border-bottom: 1px solid rgba(234, 116, 27, 0.08);
    border-right: 1px solid rgba(234, 116, 27, 0.08);
}

@keyframes modCornerIn {
    to { opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 540px) {
    .mod-loader__ring { inset: -8px; }
    .mod-loader__orbit { inset: -20px; }

    .mod-loader__brand {
        letter-spacing: 3px;
    }

    .mod-loader__sub {
        letter-spacing: 4px;
    }

    .mod-loader__corner {
        display: none;
    }
}