* { margin: 0; padding: 0; box-sizing: border-box; } 
  a{text-decoration: none;}
  body{font-family: 'Poppins Regular';font-weight: normal;}
  .navbar-expand-lg .navbar-nav .nav-link { text-transform: uppercase;} 
 header .navbar-nav .nav-link, .nav-container__menu a{color: #333;
font-family: 'Poppins Regular';
font-size: 14px;font-weight: normal;
font-style: normal; 
line-height: 18px; 
text-transform: uppercase;}
.navbar-toggler:focus { box-shadow: none;}
.navbar-toggler { border: none;}
.navbar-nav { align-items: center;}
.navbar-toggler-icon {
  width: 30px;
  height: 3px;
  background-color: #000;
  display: block;
  position: relative;
  transition: all 0.3s ease;
}
.logo-img{width: 95px;}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  width: 30px;
  height: 3px;
  background-color: #000;
  position: absolute;
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
  top: -8px;    left: -4px;
}

.navbar-toggler-icon::after {
  top: 8px;    left: -4px;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
  background: none;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
}
/*.navbar-nav .nav-link.active::before{content: 'url(../img/svg/menu-active.svg)';position: absolute;top: 0px;left: 0px;
width: 10px;height: 10px; }*/
.nav-container__menu a.active, .navbar-nav .nav-link.active, .navbar-nav .nav-link.show { 
 /*   background: linear-gradient(180deg, #E31E24 30%, #2B2A29 100%);position: relative;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; */
    font-family: 'Poppins SemiBold';
color:#E31E24 ;
        padding-top: 12px;
}
.navbar-nav .nav-link:hover, .nav-container__menu a:hover { 
    color: #E31E24; 
   /* background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; */
}

/*.navbar-nav .nav-link:hover { 
    background: linear-gradient(180deg, #E31E24 30%, #2B2A29 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; 
}*/
.navbar-nav .nav-link.active::before, .navbar-nav .nav-link.show::before {
    content: url(https://periyarworld.org/assets/img/svg/menu-active.svg);
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: auto;
    /*margin-bottom: 2px;*/
}
 .nav-container__menu a.active{position: relative;}
    .nav-container__menu a.active::before {
        content: '';
        position: absolute;
        top: 12px;
        left: -20px;
        content: url(https://periyarworld.org/assets/img/svg/menu-active.svg);
        display: inline-block;
        vertical-align: middle;
        width: 16px;
        height: auto;
    }
footer{background: #000;position: relative;z-index: 1;color: #A7A7A7;
box-shadow: 0px 4px 11px 0px rgba(0, 0, 0, 0.13) inset;}
.footer span.txt-footer,.footer a.txt-footer,.txt-footer{color: #dddddd;
font-family: 'Sen Regular'; 
font-size: 12px; 
line-height: 26px;  }
a.txt-footer:hover, .footer a:hover{color: #fff !important; }
.modal{background-color: rgba(0, 0, 0, 0.7);} 
.btn-close:focus { box-shadow: none;}


.btn-donate{       padding: 5px 8px 5px;
  border-radius: 4px;
  color: #fbfbfb;
  text-transform: uppercase;
  font-size: 15px;
  font-family: 'Sen Medium';
  transition: all 0.5s ease;
  background:radial-gradient(ellipse at top, #b41313, rgb(37 1 1)), radial-gradient(ellipse at bottom, rgba(70, 70, 70, 0.5), transparent);
  }
  .btn-donate:hover { background: #7f0503;}
.social-media-sec .img-light-clr{filter: invert(100%) sepia(94%) saturate(0%) hue-rotate(265deg) brightness(106%) contrast(108%);}
.social-media-sec .img-w {min-width: 35px;
  /*filter: invert(100%) sepia(94%) saturate(0%) hue-rotate(265deg) brightness(106%) contrast(108%);*/
}
footer .social-media-sec .img-w {min-width: 35px;
  filter: invert(100%) sepia(94%) saturate(0%) hue-rotate(265deg) brightness(106%) contrast(108%);
}
/*.social-media-sec a:hover {color: #000; }
.social-media-sec a{color: red; 
font-family: 'NunitoSans';
font-size: 13.316px;
font-style: normal;
font-weight: 700;
line-height: 103%; 
letter-spacing: 0.266px;}*/
.footer-AB-v-line{position: relative;}
.footer-AB-v-line::before{content: '';position: absolute;bottom: 0px;left: 50%;transform: translateX(-50%);width: 100%;height: 1px;
background: rgb(255 255 255 / 40%);}
.footer h6 {color: #FFF;
font-family: "Poppins SemiBold";
font-size: 15px;
font-style: normal;
font-weight: normal;
line-height: 180%; }
.footer p{color: #FFF;
font-family: "Sen Regular";
font-size: 12px;
font-style: normal; 
line-height: 180%;  }
.footer a{color: #A7A7A7;
font-family: "Sen Regular";
font-size: 13.316px;
font-style: normal; 
line-height: 103%; 
}
.duffl-txt{text-transform: uppercase;}
   
        /* toggle switch translate in label designing */
        .txt-tamil{font-size: 12px;position: relative;top: -1.5px;}
        .toggle-txt{font-family:"Sen Medium"; line-height: 22px; font-size: 11px;}
        .toggle-txt .toggle {color: #fff;font-family: "Sen SemiBold";
            position : relative ;
            display : inline-block;
            width : 40px;    line-height: 18px;
            height : 20px;font-size: 15px;
            background-color: black;    cursor: pointer;
            border-radius: 30px;
            /*border: 2px solid gray;*/
            box-shadow: 0 0 5px 1px #ccc;
        } 
        .toggle-txt .toggle:after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: #e31e24;
            top: 1.8px;  
            left:3px;
            transition:  all 0.5s;
        } 
        .toggle-txt .checkbox:checked + .toggle::after {
            left : 21.7px; 
        } 
        .toggle-txt .checkbox { 
            display : none;
        }
  /* back to top btn */
 .backToTopBtn { display: none;
      position: absolute;
      top: -13px;
      /*right: 20px;  */
      z-index: 99; background:#000;
      border: none; 
      border-radius: 5px;
      cursor: pointer;width: 40px;
    height: auto;font-size: 16px;
      padding: 0px;padding-top: 3px;
    } 
    .bi-arrow-up-circle::before {
      content: "\f13a";
      position: relative;
      top: -2px;
    }
    .backToTopBtn:hover{background:#000;}
 .backToTopBtn:hover i{  animation: zoomAnimation 1s infinite; }
    
   .backToTopBtn.backToTopBtn-txt {position: absolute;
    top: -29px;
    z-index: 99;
    color: #000000;
    font-size: 8px; 
    background: transparent;
    width: 48px;}
@keyframes zoomAnimation {
  0% {
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(-100px);/* Zoom in */
  }
  100% {
    transform:translateY(-10px); /* Zoom out */
  }
}
 
/*.iphone {
  overflow: hidden;
  width: 420px;
  height: 820px;
  margin: 40px auto;
  background: url(http://www.radio.net/inc/v2/images/landing/hero/devices/single/iphone_6.png) no-repeat;
  background-color: #111;
  background-size: 100% 100%;
}*/

/*.iphone__inner {
  position: relative;  
  font-size: 18px;
  overflow: hidden;
}*/

/* construction start  */

.construction.row {
--bs-gutter-x: 0.5rem;
}
 
    .construction-img-sec {
        position: relative;
        display: inline-block;
    }

    .construction-img-sec img {
        display: block;
        width: 100%;
        transition: 0.3s ease-in-out;
    }

    .construction-img-sec::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(359deg, #000, transparent);
        opacity: 0;
        transition: opacity 0.3s ease-in-out;
    }

    .construction-img-sec:hover::after {
        opacity: 1;
    }
    .fancybox-button--zoom, .fancybox-button--thumbs, .fancybox-button--play{display: none !important;}

.construction-heading {
     color: #A20006; 
     font-size: 20px;
     font-weight: 600;
     line-height: 150%; /* 30px */
     letter-spacing: 0.2px;
     text-transform: uppercase;
     padding-bottom: 20px;
}

.construction-btn a {
  color: #FFF; 
  font-size: 14px;
  font-style: normal; 
  line-height: 150%; /* 21px */
  letter-spacing: 0.14px;
  text-transform: uppercase;
  border-radius: 9px;
  background: linear-gradient(90deg, #161616 0%, #484848 44.5%, #161616 100%);
  padding: 6px 11px;    font-family: 'Poppins SemiBold';
}

.construction-btn::after {
  position: absolute;
  content: "";
  width: 100%;
  height: 1px;
  border-bottom: 1px solid #00000042;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  z-index: -1;
}
.options-list a:hover {
  color: #E31E24;
}
/* construction end  */

.ov-xy{ overflow-x: hidden;}

.mbl-header {display: none;padding-top: 10px;
  position: absolute;right: 12px;
  /*width: 100%;*/
  /*padding: 15px 2px 4px 10px;*/
  box-sizing: border-box;
  /*background: #262626;*/
  z-index: 4;
}

.burger-container {
  width: 28px;
  height: auto;
}
.video-set img {
  transition: opacity 1s ease; /* Add smooth fade transition */
  opacity: 1;
}

.img-hidden {
  opacity: 0; /* Hide image smoothly */
}
.burger {
  position: relative;
  cursor: pointer;
}
.burger span:hover {background: #fff;}
.burger span {
  position: relative;
  left: 0; 
  display: block;
  width: 100%;
  height: 2px;
  background: #f4f4f4;
  transition: all 0.3s cubic-bezier(0.27, 0.16, 0.36, 0.99);
  margin-bottom: 6px;
}
.burger span:nth-of-type(4) {
  position: absolute;
  top: 50%;
  transform: rotate(45deg) translateY(-50%) scale(0);
}
.burger span:nth-of-type(5) {
  position: absolute;
  top: 50%;
  transform: rotate(-45deg) translateY(-50%) scale(0);
}
.nav-container{display: none;}
header.position-ab{position: absolute;}
header .navbar-nav .nav-link, .nav-container__menu a,.toggle-txt {
  color: #333; }

  @media (min-width: 1155px) {
    header .navbar-nav .nav-link, .nav-container__menu a,.toggle-txt {
      color: #ffffff;  }
    }
 @media (min-width: 1199px) { 
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: 1.1rem;
        padding-left: 1.1rem;
        text-transform: uppercase;
    }
}
 @media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
        text-transform: uppercase;
    }
}
@media (max-width: 1154px) {
  .translate-g{
    margin-top: -8px;
    margin-right: 8px;

  }
  .navbar-brand{z-index: 1;}
.mbl-header {display: flex;}
.z-2 { z-index: inherit !important; }
 .nav-container__menu a{ font-size:20px;}
.is--active .burger span { width: 65%;}
.is--active.ov-xy{min-height: 100vh;overflow: hidden;}
.nav-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;   
  bottom: 0; 
  overflow: visible;
}
body.is--active .none-scroll {
    overflow: hidden;
    min-height:100vh;
}
    .nav-container__menu {
        position: absolute;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100%;
        overflow: hidden;
        background: #ffffff;
        color: #111111;
        padding: 88px 20px 20px 20px;
        box-sizing: border-box;
        transition: all 0.3s cubic-bezier(0.27, 0.16, 0.36, 0.99);
        background-image: url('https://periyarworld.org/assets/img/gallery/bg-img.jpg');
        background-position: top;
        background-size: cover;
        background-repeat: no-repeat;
    }
.nav-container__menu ul {
  list-style-type: none;
  width: 100%;
  padding: 0;
  margin: 0;
}
.nav-container__menu ul li {
  position: relative;
  left: -100%;
  padding: 5px 25px 5px 30px;
  font-size: 25px; 
  cursor: pointer;
}

.nav-container__social {
  position: absolute;
  top: 0;
  left: -100%;
  width: 30%;
  height: 100%;
  overflow: hidden;
  background: #000;
  padding: 80px 20px 20px 20px;
  box-sizing: border-box;
  transition: all 0.3s cubic-bezier(0.27, 0.16, 0.36, 0.99);
}
.nav-container__social .social-icons {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.social-icon img{width: 36px;height: 36px;}
.nav-container__social .social-icons .social-icon {
  position: relative;
  left: -200%;
  display: block;
  /*width: 44px;*/
  /*height: 44px;*/
  padding-top: 20px;
  transition: all 0.3s cubic-bezier(0.27, 0.16, 0.36, 0.99);
  cursor: pointer;
}
/*.nav-container__social .social-icons .social-icon .svg {
  width: 44px;
  height: 44px;
  fill: #111111;
}*/

.is--active .header {
  z-index: 900;
}
.is--active .burger span:nth-of-type(1) {
  left: 140%;
  opacity: 0;
}
.is--active .burger span:nth-of-type(2) {
  left: 180%;
  opacity: 0;
}
.is--active .burger span:nth-of-type(3) {
  left: 220%;
  opacity: 0;
}
.is--active .burger span:nth-of-type(4) {    background: #ddd;
  transform: rotate(45deg) translateY(-50%) scale(1);
}
.is--active .burger span:nth-of-type(5) {    background: #ddd;
  transform: rotate(-45deg) translateY(-50%) scale(1);
}
.is--active .nav-container {
  top: 0; 
  z-index: 3;display: block;
}
.is--active .nav-container li {
  transition: all 0.3s cubic-bezier(0.27, 0.16, 0.36, 0.99);
  position: relative;
  left: 0;
}
.is--active .nav-container li:nth-of-type(1) {
  transition-delay: 0.2s;
}
.is--active .nav-container li:nth-of-type(2) {
  transition-delay: 0.25s;
}
.is--active .nav-container li:nth-of-type(3) {
  transition-delay: 0.3s;
}
.is--active .nav-container li:nth-of-type(4) {
  transition-delay: 0.35s;
}
.is--active .nav-container li:nth-of-type(5) {
  transition-delay: 0.4s;
}
.is--active .nav-container li:nth-of-type(6) {
  transition-delay: 0.45s;
}
.is--active .nav-container li:nth-of-type(7) {
  transition-delay: 0.5s;
}
.is--active .nav-container__menu {
  right: 0;
}
.is--active .nav-container__social {
  left: 0;
}
.is--active .social-icon {
  position: relative;
  left: 0 !important;
}
.is--active .social-icon:nth-of-type(1) {
  transition-delay: 0.35s;
}
.is--active .social-icon:nth-of-type(2) {
  transition-delay: 0.4s;
}
.is--active .social-icon:nth-of-type(3) {
  transition-delay: 0.45s;
}
 
  /*sep-12*/
.nav-container__menu ul {
  list-style: none; 
  padding: 0;
  margin: 0;
  display: flex;  
  flex-direction: column; 
}

.nav-container__menu li {
  margin: 10px 0;  
  opacity: 0; 
  transform: translateX(-50px);  
  animation: slideIn 0.5s forwards; 
  animation-delay: calc(0.1s * var(--index));  
}

 
@keyframes slideIn {
  to {
    opacity: 1;  
    transform: translateX(0); 
  }
}

.nav-container__social .social-icons {
  display: flex; 
  flex-direction: column;  
  gap: 10px;  
}

.nav-container__social .social-icon {
  opacity: 0;  
  transform: translateX(-50px);  
  animation: slideInIcons 0.5s forwards; 
  animation-delay: calc(0.1s * var(--index));  
}

@keyframes slideInIcons {
  to {
    opacity: 1; 
    transform: translateX(0);  
  }
}
.nav-container {
  display: flex;  
  justify-content: space-between;  
  align-items: center; 
  overflow: hidden; 
}

/*.nav-container__menu,
.nav-container__social {
  animation-duration: 1s;  
  animation-fill-mode: forwards;  
  opacity: 0; 
}*/

.nav-container__menu {
  animation-name: slideInFromLeft; 
}

.nav-container__social {
  animation-name: slideInFromRight; 
}

@keyframes slideInFromLeft {
  0% {
    transform: translateX(-100%); 
    opacity: 0; 
  }
  100% {
    transform: translateX(0);  
    opacity: 1;  
  }
}

@keyframes slideInFromRight {
  0% {
    transform: translateX(100%);  
    opacity: 0; 
  }
  100% {
    transform: translateX(0);  
    opacity: 1; 
  }
}
  
.social-icon a {
  margin: 0 10px;  
}
 /*sep-12*/


}
@media (max-width:1153px) {
  .btn-donate{position: relative;top: -5px; 
    font-size: 13px;}
}


  @media (max-width:600px) {
.mbl-flex-add { flex-direction: column;text-align: center;}
.social-media-sec{align-items: center;display: flex;} 
.logo-img{width:75px;}
 #backToTopBtn,  .backToTopBtn.backToTopBtn-txt {display: block;}
 
} 

@media (min-width:1900px){
  header .navbar-nav .nav-link, .nav-container__menu a{
    font-size:18px !important; 
  }
  .btn-donate {
    padding: 5px 8px 7px; 
    font-size: 17px;
  }
  .logo-img{
    width: 135px;
  }
  .book-bg h1{
    font-size: 15px !important;
  }
  .book-bg:hover h1, .book-bg.active h1{
    max-width: 107px !important;
  }  
  .footer span.txt-footer, .footer a.txt-footer, .txt-footer { 
    font-size: 14px;
  }
   
}
@media (max-width:340px){
  .construction-btn a{
    font-size: 12px;
  }
}

.switch {
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.current {
  text-transform: capitalize;
  height: 42px;
  position: relative;
  z-index: 1;
  font-size: 1rem;
  text-align: center;
  line-height: 42px;
  display: flex;
  background-color: rgba(0, 0, 0, 0);
  transition: all 0.2s ease-out;
  border-radius: 3px;
  /* padding: 0 0.2em 0 0.7em; */
}

.current span {
  display: inline-block;
    line-height: 25px;
  padding: 0.5em 0.2em 0 0;
  color:#fff; font-family: 'Poppins Regular';
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14px;

}

.current .arrow {
  display: inline-block;
  width: 20px;
  height: 20px;
position:static;
transform:none;
}
.current .arrow svg{
vertical-align: baseline;
}

.options {
  background: #fff;
  position: absolute;
  right: 0;
  top: 34px;
  z-index: 0;
  opacity: 0;
  transition: all 0.36s ease-out;
  display: none;
  overflow: hidden;
  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
}

.switch.show-options .options {
  display: block;
  z-index: 5;
}

.switch.anim-options .options{
  opacity: 1;
}


.switch.show-shadow .options  {
  box-shadow: 0 2px 12px -4px rgba(0, 0, 0, 0.4);
}


.options-list {
  color: #333; /* Replace $color-dark */
  margin: 0;

     padding: 0.4rem 0.8em;
  position: relative;
  z-index: 5;
}

.options-list li {
  list-style: none;

  border-bottom: 1px solid #E1E4E6;
  transform: translateX(10px);
  transition: all 0.24s ease-out;
  transition-delay: 0.1s;
  opacity: 0;
  font-size: 1rem;
  line-height: 1.3;
  white-space: nowrap;
  min-width: 105px;

}

.options-list a{
  color: #333; /* Replace $color-dark */
    padding: 0.75em;
  display:block;
}
.options-list li:last-child {
  border-bottom: none;
}

.options-list li:nth-child(1) {
  transition-delay: 0.1s;
}

.options-list li:nth-child(2) {
  transition-delay: 0.15s;
}

.options-list li:nth-child(3) {
  transition-delay: 0.2s;
}

.options-list li:nth-child(4) {
  transition-delay: 0.25s;
}

.options-list li:nth-child(5) {
  transition-delay: 0.3s;
}

.options-list li.selected a {
  color: #E31E24; /* Replace $color-primary */
}

.switch.anim-options .options-list li  {
  transform: translateX(0);
  opacity: 1;
}

.mb-switch{
  margin-top:-12px;
  margin-right: 10px;
}

.mb-switch .current{
   font-size:0.9rem;
   letter-spacing:0.75px;
   height: auto;
  }


  .desk-switch{
    display: none;
  }
  
  @media (min-width:1200px){
    .desk-switch{
       display: flex;
    }
    .mb-switch{
      display: none;
    }
  }
 @media (min-width:425px){
  .mb-switch{
    margin-right: 15px;
  }
 }
 @media (max-width: 1153px) {
  .btn-donate {
      position: relative;
      top: -1px;

  }
}
@media (max-width:600px){
.options-list { 
  padding: 0.4rem 0.4em;}
.options-list li {min-width: 88px; 
  font-size: 13px;}
.options-list a { 
  padding: 0.5em;
}

}
@media (max-width:400px){
  .btn-donate {
     font-size: 12px;
  }
  .current span{
    font-size: 12px;
  }
.mb-switch { 
  margin-right: 4px;
}
}

.desk-switch .options:hover{
  display:block;
opacity:1;

}
.desk-switch .options:hover li{
opacity:1;
  transform: translateX(0);
}