@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@200;300;400;500;600&display=swap');

@font-face{
  font-family: "Chalkboy";
  src: url("/TCData/fonts/Chalkboy.ttf") format("truetype");
}

*{
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    border: none;
    text-decoration: none;
}


$primary: #F59E0B;
$secondary: #2563EB;
$green: $primary;
$light-green: rgba(245,158, 11, 0.08);
$light-white: #eee;
$black: #444;
$white: #fff;
$light-color: #777;
$border: .1rem solid $primary;
$box-shadow: 0 .5rem 1rem rgba(0,0,0,.1);

@mixin grid($val){
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax($val, 1fr));
    gap: 2rem;
}

@mixin titleText($titleSize){
  font-size: $titleSize;
  text-transform: capitalize;
  color: $black;
}

@mixin graphText($graphSize){
  font-size: $graphSize;
  line-height: 2;
  color: $light-color;
}

section {
  padding: clamp(2rem, 4vw, 6rem);
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-size: 1.6rem;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;

  background: linear-gradient(
    to bottom,
    #0B2E5C 0%,
    #1E4E8C 30%,
    #3F6FB5 60%,
    #EAF2FF 100%
  );
  background-attachment: fixed;
}

.btn{
  display:inline-block;
  margin-top:1rem;
  padding:1rem 2.2rem;
  font-size:1.4rem;
  border:2px solid #F59E0B;
  background:transparent;
  color:#F59E0B;
  border-radius:.6rem;
  cursor:pointer;
  transition:.3s ease;
}

.btn:hover{
  background:#F59E0B;
  color:#ffffff;
}


.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 3rem;
  box-shadow: none;
  z-index: 1000;
  transition: opacity .35s ease, backdrop-filter .35s ease, transform .35s ease;
}

.header.hide{
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
  backdrop-filter: blur(0px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
}

.logo-img {
  height: 4.5rem;   
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.header {
  .navbar {
    margin-left: auto;
    margin-right: 1rem;
  }
}

.navbar a,
.logo,
.icons i {
  color: #fff !important;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4) ;
}

.navbar {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  margin-right: 2rem;

  a {
    position: relative;
    display: flex;
    text-transform: uppercase;
    margin: 0 1.5rem;
    padding: .8rem 1.6rem;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: .05rem;
    text-shadow: 0 2px 6px rgba(0,0,0,.5);
    color: #fff !important;
    z-index: 1;
    transition: .5s;

    &::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border-top: 2px solid $primary;
      border-bottom: 2px solid $primary;
      transform: scaleY(2);
      opacity: 0;
      transition: .3s;
    }

    &::after {
      content: '';
      position: absolute;
      top: 2px;
      left: 0;
      width: 100%;
      height: 100%;
      background-color:$primary;
      transform: scale(0);
      opacity: 0;
      transition: .3s;
      z-index: -1;
    }

    &:hover {
      color: #fff;

      &::before {
        transform: scaleY(1);
        opacity: 1;
      }

      &::after {
        transform: scaleY(1);
        opacity: 1;
      }
    }
  }
}

.account-btn {
  position: relative;
  padding: .8rem 1.2rem;
  cursor: pointer;
  z-index: 1;

  &::before {
    content: '';
    position: absolute;
    inset: 0;
    border-top: 2px solid $primary;
    border-bottom: 2px solid $primary;
    transform: scaleY(2);
    opacity: 0;
    transition: .3s;
  }

  &::after {
    content: '';
    position: absolute;
    inset: 2px 0 0 0;
    background-color: $primary;
    transform: scale(0);
    opacity: 0;
    transition: .3s;
    z-index: -1;
  }

  &:hover i {
    color: #fff;
  }

  &:hover::before {
    transform: scaleY(1);
    opacity: 1;
  }

  &:hover::after {
    transform: scaleY(1);
    opacity: 1;
  }
}

.icons {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.icons i {
  font-size: 1.5rem;
  color: #fff;
  cursor: pointer;
}

.icons i:hover {
  color: $green;
}

#menu-btn {
  display: none;
}

.account-form{
  position: fixed;
  top: 0; 
  right: -105%;
  width: 35rem;
  background: $white;
  display: flex;
  flex-flow: column;
  justify-content: center;
  gap: 2rem;
  height: 100%;
  z-index: 1200;
  padding: 2rem;
  text-align: center;

  &.active{
    right: 0;
    box-shadow: 0 0 0 100vw rgba(0,0,0,.8);
  }

  #close-form{
    position: absolute;
    top: 1.5rem; 
    right:2.5rem;
    font-size: 4rem;
    cursor: pointer;
    color: $black;
    transition: transform .25s ease;

    &:hover{
      transform: rotate(90deg);
    }
  }
  
  form{
    border: $border;
    padding: 2rem;
    display: none;

    &.active{
      display: block;
    }

    h3{
      @include titleText(2.5rem);
      text-transform: uppercase;
      padding-bottom: .5rem;
    }

    .box{
      width: 100%;
      padding: 1.2rem 1.4rem;
      border: $border;
      font-size: 1.6rem;
      margin: .7rem 0;
    }

    .flex{
      padding: 1rem 0;
      display: flex;
      align-items: center;
      gap: .5rem;

      label{
        font-size: 1.5rem;
        color: $light-color;
      }

      a{
        font-size: 1.5rem;
        color: $light-color;
        margin-left: auto;
        
        &:hover{
          color: $green;
        }
      }
    }

    .btn{
      width: 100%;
    }
  }

  .buttons .btn{
    margin: 0 .5rem;

    &.active{
      background: $green;
      color: $white;
    }
  }
}

.account-dropdown-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.account-dropdown {
  position: absolute;
  top: 120%;
  right: 0;
  width: 12rem;
  background: #fff;
  border-radius: .5rem;
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.15);
  display: none;
  flex-direction: column;
  z-index: 2000;

  .logout-btn {
  background: #f4a300;
  color: #fff;
  border: none;
  padding: 16px 48px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  font-weight: 1200px;
  min-width: 150px;
}

.logout-btn:hover {
  opacity: 0.9;
}
}

.account-dropdown a {
  padding: 1rem 1.2rem;
  display: block;
  font-size: 1.4rem;
  color: $black;
}

.account-dropdown a:hover {
  background: rgba(245, 158, 11, .1);
  color: $primary;
}


.home{
  position: relative;
  width: 100%;
  padding: 0;
  margin: 0;
  margin-top: 1.8rem;
  background: transparent;
  z-index: 1;

  .swiper{
    width: 100%;
    height: 100%;
    cursor: grab;
  }

  .swiper:active{
    cursor: grabbing;
  }

  .swiper-slide{
    cursor: grab;
  }

  .swiper-slide:active{
    cursor: grabbing;
  }

  .slide{
    display: flex;
    align-items: center;
    width: 100%;
    border-radius: 0;
    min-height: 100vh;
    min-height: 100svh;
    background-size: cover !important;
    background-position: center !important;

    .content{
      max-width: 50rem;
      width: 100%;
      padding: 0 2rem;

      h3{
        @include titleText(5.5rem);
        color: $white;
      }

      p{
        @include graphText(1.6rem);
        color: $light-white;
        padding: 1rem 0;
      }
    }
  }
}




.swiper-pagination-bullet-active{
  background-color: $green;
}

.parallax-wrapper {
  position: fixed;
  top:0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 1;
}

.parallax {
  position: absolute;
  inset: 0;
  list-style: none;
  z-index: 0 !important;
}

.layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-position: center;
  background-size: cover;
  transition: transform 0.1s ease-out;
  z-index: 0 !important;
}

.layer-back {
  background: radial-gradient(circle at center, rgba(0,0,0,0.25), transparent);
}

.layer-mid {
  background: radial-gradient(circle at center, rgba(0,0,0,0.15), transparent);
}

.layer-front {
  background: transparent;
}

/* ===============================
   STICKY COURSES SECTION
=============================== */

.courses-spacer{
  height: 100vh;
}

.courses-sticky{
  position: relative;
  height: 1400vh;
  background: #1E4E8C;
  z-index: 1;
  padding-bottom: 10vh;
  padding: 0 !important;
  overflow: hidden;
  isolation: isolate;

  border-top-left-radius: 4rem;
  border-top-right-radius: 4rem ;
  margin-top: -5rem;
}

.floating-chalk{
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  transition: opacity .25s ease;
}

.chalk{
  position: absolute;
  font-family: 'Rubik Scribble', cursive;
  font-size: 3.2rem;
  color: #ffffff;

  text-shadow:
    0 0 2px #fff,
    0 0 6px #fff,
    0 0 12px rgba(255,255,255,0.9),
    0 0 22px rgba(255,255,255,0.7),
    0 0 40px rgba(255,255,255,0.4);

  opacity: 0;
  transition: opacity .6s ease, transform .4s ease;
}

.chalk.show{
  opacity: 1;
  color: #ffffff;
}

.courses-wrapper{
  position: relative;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 8%;
  gap: 6rem;
  overflow: visible;
  z-index: 10;
  transform: translateZ(0);
  will-change: transform;
}

/* LEFT SIDE — COURSE INFO */
.course-info{
  position: relative;
  min-height: 70vh;
  z-index: 5;
}

.course-info-item{
  position: absolute;
  top: 50%;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity .9s cubic-bezier(.22,1,.36,1),
              transform .9s cubic-bezier(.22,1,.36,1);
  color: #ffffff;
  z-index: 1;
  pointer-events: none;
}

.course-info-item.active{
  opacity: 1;
  z-index: 10;
  pointer-events: auto;
}

/* =========================
   CARD CONTAINER
========================= */

.course-card{
  position: relative;
  padding: 3rem;
  border-radius: 2rem;
  max-width: 48rem;
  z-index: 20;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}

/* dark primary orange */
.course-card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:
    radial-gradient(circle at 25% 25%, #ff7a18, transparent 60%),
    radial-gradient(circle at 80% 80%, #cc5200, transparent 70%),
    #e35a00;
  z-index:-2;
}

/* grain */
.course-card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.18'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
  z-index:-1;
  pointer-events:none;
}


.course-sub{
  color:#FFD166;
  font-weight:600;
  text-shadow:
    0 1px 0 rgba(0,0,0,0.5),
    0 2px 6px rgba(0,0,0,0.35);
}

/* TEXT BLOCK */
.course-text{
  max-width: 48rem;
}

.course-text h3{
  font-size: 4rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

/* subtitle */
.course-sub{
  font-size: 1.8rem;
  color: #F59E0B;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* description (always visible) */
.course-desc{
  font-size: 1.5rem;
  color: #dbeafe;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* =========================
   BUTTON (hover only)
========================= */

.order-btn{
  background: linear-gradient(135deg,#f59e0b,#ffb84d);
  border: none;
  color: #0b2e5c;
  padding: 1rem 2.4rem;
  font-size: 1.4rem;
  border-radius: .8rem;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(255,168,64,0.35),
              inset 0 1px 2px rgba(255,255,255,0.3);
  opacity: 0;
  transform: translateY(10px);
  transition: all .25s ease;
  position: relative;
  z-index: 2;
}

.course-card:hover .order-btn{
  opacity: 1;
  transform: translateY(0);
}

.order-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255,168,64,0.55),
              inset 0 1px 2px rgba(255,255,255,0.35);
}

.order-btn:active{
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255,168,64,0.35);
}

/* =========================
   RIGHT SIDE — IMAGES
========================= */
.course-images{
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
  border-radius: 2rem;
  z-index: 5;
}

.course-images img{
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .9s cubic-bezier(.22,1,.36,1), transform 1.1s cubic-bezier(.22,1,.36,1);
}

.course-images img.active{
  opacity: 1;
  transform: translateX(0);
}

/* =========================
   MOBILE
========================= */
@media(max-width:768px){
  .courses-wrapper{
    grid-template-columns: 1fr;
    text-align: center;
  }

  .course-images{
    height: 45vh;
  }

  .course-text h3{
    font-size: 3rem;
  }
}

/* ===============================
   LAYERED SCROLL — WHY SECTION
=============================== */

.why{
  position: relative;
  min-height: 100vh;
  z-index: 6;
  padding: 0 !important;
  isolation: isolate;

  border-top-left-radius: 4rem;
  border-top-right-radius: 4rem;
  margin-top: -10vh;
}

.why-wrapper{
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  padding: 0 8%;
}

.why-left{
  color: #fff;

  h2{
    font-size: 4rem;
    margin-bottom: 2rem;

    .highlight{
      color: $primary;
    }
  }

  p{
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: #ddd;
  }

  ul{
    margin-top: 1rem;
    li{
      font-size: 1.5rem;
      margin-bottom: .8rem;
      color: #fff;
    }
  }
}

/* RIGHT SIDE — STACK CARDS CONTAINER */
.stack-cards-container{
  position: relative;
  height: 100%;
}

/* Make sure Why section covers Courses */
.why{
  margin-top: -100vh;
}

/* FOOTER should cover WHY */
.footer{
  position: relative;
  z-index: 7;
  margin-top: auto;
}

/* MOBILE FIX */
@media(max-width:768px){
  .why-wrapper{
    grid-template-columns: 1fr;
    text-align: center;
  }
}









// ==================================
//        FOOTER 
// ==================================       

.footer{
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 1;
  color: #ffffff;

  .box-container{
    @include grid(25rem);

    .box{

      h3{
        @include titleText(2.2rem);
        padding: 1rem 0;
        color: #ffffff;
      }

      .share{
        margin-top: 1rem;
        display: flex;
        gap: 1rem;

        a{
          height: 4.5rem;
          width: 4.5rem;
          display: flex;
          justify-content: center;
          align-items: center;
          font-size: 1.7rem;
          background: #ffffff;
          color: #262626;
          border-radius: 50%;
          position: relative;
          overflow: hidden;
          border: 2px solid #ffffff;
          z-index: 1;
        }

        a i{
          position: relative;
          z-index: 3;
          transition: .5s;
        }

        a::before{
          content: "";
          position: absolute;
          top: 100%;
          left: 0;
          width: 100%;
          height: 100%;
          transition: .5s;
          z-index: 2;
        }

        a:hover i{
          color: #ffffff;
          transform: rotateY(360deg);
        }

        a:hover::before{
          top: 0;
        }

        // platform colors
        a:nth-child(1)::before { background:#E4405F; } // Instagram
        a:nth-child(2)::before { background:#0A66C2; } // LinkedIn
        a:nth-child(3)::before { background:#1877F2; } // Facebook
        a:nth-child(4)::before { background:#FF0000; } // YouTube
        a:nth-child(5)::before { background:#000000; } // X
      }
      
      .link{
        font-size: 1.7rem;
        color: #ffffff;
        padding: .5rem 0;
        display: block;

        &:hover{
          color: #F59E0B;
          text-decoration: underline;
        }
      }

      p{
        font-size: 1.5rem;
        color: #e5e7eb;
        padding: 1rem 0;
      }

      .email{
        width: 100%;
        padding: 1.2rem 1.4rem;
        font-size: 1.6rem;
        border: $border;
        margin-bottom: 1rem;
      }

      .btn{
        background: #F59E0B;
        color: #ffffff;

        &:hover{
          background: #d97706;
        }
      }
    }
  }

  .credit{
    text-align: center;
    margin-top: 3rem;
    padding-top: 3rem;
    font-size: 2rem;
    color: #ffffff;
    border-top: $border;

    span{
      color: #F59E0B;
    }
  }
}


.why{
  background: linear-gradient(
    to bottom,
    #0B2E5C 0%,
    #12386F 100%
  );
}

.footer{
  background: linear-gradient(
    to bottom,
    #12386F 0%,
    #071E3D 100%
  );
}










































/* ===============================
   COURSES PAGE — ORANGE FINAL
=============================== */

body.page-courses {
  background: linear-gradient(
    to bottom,
    #163E6F 0%,
    #1A457C 50%,
    #1E4E8C 100%
  );
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===============================
   ORANGE COURSE CARD
=============================== */

.page-courses .courses-page{
  flex: 1;
  padding: 8rem 6% 14rem;
}

.page-courses .courses-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(32rem, 1fr));
  gap: 8rem;
  width: 100%;
  max-width: 140rem;
  margin: 0 auto;
}

.page-courses .course-title {
  min-height: auto;
  height: auto;
  border-radius: 2rem;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
  transition: transform .25s ease;
}

.page-courses .course-title:hover {
  transform: translateY(-6px);
}

/* orange gradient background */

.page-courses .course-title {
  background:
    radial-gradient(circle at 25% 25%, #ff7a18, transparent 60%),
    radial-gradient(circle at 80% 80%, #cc5200, transparent 70%),
    #e35a00 !important;

  color: #fff !important;
}

.page-courses .course-body,
.page-courses .course-body h3,
.page-courses .course-body p,
.page-courses .course-body span {
  color: #fff !important;
}

.page-courses .course-btn {
  background: #0b1a2f !important;
  color: #fff !important;
}

.page-courses .course-title:hover {
  transform: translateY(-6px);
}

/* thumbnail */

.page-courses .course-title img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
  flex-shrink: 0;
}

/* text body */

.page-courses .course-body {
  padding: 1.8rem 2.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  color: #fff;
  min-height: 0;
}

.page-courses .course-body h3 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
}

.page-courses .course-body p {
  font-size: 1.6rem;
  color: #ffe9d6;
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.page-courses .course-body span {
  font-size: 1.3rem;
  font-weight: 700;
  color: #FFD166;
}

/* button */

.page-courses .course-btn {
  margin: 0 2.2rem 2rem;
  padding: 1.6rem;
  border-radius: 1rem;
  font-size: 1.7rem;
  font-weight: 700;
  background: #0b1a2f;
  color: #fff;
  text-align: center;
  transition: background .2s ease;
  margin-top: auto;
}

.page-courses .course-btn:hover {
  background: #2563eb !important;
  color: #fff !important;
}

/* ===============================
   CLASS SELECTOR FINAL THEME
=============================== */
.class-selector {
  padding: 7rem 4rem 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: 5rem;
  min-height: calc(100vh - 8rem);
  justify-content: center;
}

/* banner */
.class-selector .choose-box {
  width: min(90%, 120rem);
  padding: 4.5rem 6rem;
  border-radius: 2.8rem;
  text-align: center;

  background: linear-gradient(135deg, #ff7a18, #d94e00);

  font-family: "Chalkboy", cursive;
  font-size: clamp(5.5rem, 6.5vw, 9rem);
  font-weight: 300;
  color: #fff;

  box-shadow: 0 2rem 4rem rgba(0,0,0,0.25);

  text-shadow:
    2px 2px 0 rgba(0,0,0,0.25),
    0 0 2px rgba(255,255,255,0.4);
}

/* grid */
.class-selector .class-grid {
  width: min(100%, 120rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3.5rem;
}

/* premium card */
.class-selector .class-cell {
  background: #f8b21a;
  border-radius: 2.2rem;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;

  box-shadow:
    0 1rem 2.5rem rgba(0,0,0,0.18),
    inset 0 0 0 1px rgba(255,255,255,0.15);

  transition: transform .18s ease, box-shadow .18s ease;
}

/* subtle lift */
.class-selector .class-cell:hover {
  transform: translateY(-4px);
  box-shadow:
    0 1.8rem 3.5rem rgba(0,0,0,0.28),
    inset 0 0 0 1px rgba(255,255,255,0.2);
}

/* image */
.class-selector .class-cell img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  display: block;
  filter: contrast(1.05) saturate(1.05);
}

/* class label */
.class-selector .class-cell span {
  padding: 2.2rem;
  font-size: 2.3rem;
  font-weight: 500;
  text-align: center;
  color: #ffffff;
  letter-spacing: 0.3px;
}

.class-selector .class-cell::before {
  display: none;
}

.hidden {
  display: none !important;
}

.courses-page {
  position: relative;
}

.courses-page .back-btn {
  position: sticky;
  float: right;
  margin: 4rem 0;

  padding: 1.4rem 2.6rem;
  border-radius: 999px;
  border: none;

  background: #f59e0b;
  color: white;
  font-size: 1.6rem;
  font-weight: 600;
  cursor: pointer;

  box-shadow: 0 1rem 2rem rgba(0,0,0,0.25);
}

/* ===============================
   COURSE DETAILS PAGE
=============================== */

.course-details-page{
  min-height: 100vh;
  background:
    radial-gradient(circle at 25% 25%, #ff7a18, transparent 60%),
    radial-gradient(circle at 80% 80%, #cc5200, transparent 70%),
    #e35a00;
  overflow-x: hidden;
}

/* grain overlay */
.course-details-page::after{
  content:"";
  position: fixed;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.18'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 0;
}

.course-header .course-desc{
  display: none;
}

.course-details-page .course-header h1{
  font-family: "Chalkboy", cursive;
  font-size: clamp(10rem, 16vw, 20rem);
  font-weight: 400;
  line-height: 1;
  margin: 0;
  color: #ffffff;

  text-shadow:
    2px 2px 0 rgba(0,0,0,0.35),
    4px 4px 0 rgba(0,0,0,0.18),
    0 0 3px rgba(255,255,255,0.7);
}

.course-header {
  position: relative;
  min-height: 38vh;
  padding: 6rem 5% 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  text-align: center;

  p {
    @include graphText(1.6rem);
  }

  .course-meta {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 1.4rem;
    color: $light-color;
    z-index: 2;

    .badge {
      padding: .4rem 1.2rem;
      border-radius: 2rem;
      font-weight: 700;
      color: $white;
      display: inline-block;

      &.paid {
        background: $secondary;
      }
    }
  }
}

/* ===============================
   FULL LOCKED STATE
=============================== */

.paid-state{
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:4rem;
  gap:1rem;
}

.paid-state h2{
  font-size:3.6rem;
  font-weight:800;
  color:#111;
}

.paid-state p{
  font-size:1.8rem;
  color:#374151;
  max-width:420px;
}

.paid-btn{
  margin-top:1.5rem;
  padding:1.5rem 3.8rem;
  font-size:1.7rem;
  font-weight:700;
  border-radius:999px;
  background:#f59e0b;
  color:#fff;
  transition:all .25s ease;
}

.paid-btn:hover{
  background:#d97706;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(0,0,0,.2);
}


.course-details-page {

  .course-layout {
    display: grid;
    grid-template-columns: 38rem 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: -8rem;
  }

  .course-sidebar {
    background: #ffffff;
    border-radius: 1.6rem;
    padding: 2.8rem 3rem;
    box-shadow: 0 1rem 3rem rgba(0,0,0,.08);
    height: auto;
    max-height: 52rem;
    display: flex;
    flex-direction: column;
  }

  .course-sidebar p{
    margin-top: 1.6rem;
    overflow-y: auto;
    padding-right: .6rem;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
  }

  .course-sidebar p::-webkit-scrollbar,
  #lectureContainer::-webkit-scrollbar{
    width: .6rem;
  }

  .course-sidebar p::-webkit-scrollbar-thumb,
  #lecturesContainer::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 1rem;
  }

  .lecture-list {
    background: #ffffff;
    border-radius: 1.6rem;
    padding: 2rem;
    box-shadow: 0 1rem 3rem rgba(0,0,0,.08);
    height: auto;
    max-height: 52rem;
    display: flex;
    flex-direction: column;
  }

  .lecture-list h3 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 2.4rem;
    color: #111827;
  }

  #lecturesContainer {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    max-height: none;
    overflow-y: auto;
    padding-right: .6rem;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
    flex: 1;
    margin-top: 2rem;
  }

  #lecturesContainer > div {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    padding: 1.6rem 2rem;
    background: #f9fafb;
    border-radius: 1.2rem;
    font-size: 1.6rem;
    cursor: pointer;
    transition: background .2 ease ;
  }

   #lecturesContainer > div:hover{
    background: #f1f5f9;
   }

    #lecturesContainer > div::before{
      content: attr(data-index);
      min-width: 4.2rem;
      height: 4.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #2563eb;
      color: #fff;
      font-weight: 700;
      border-radius: 1rem;
      font-size: 1.6rem;
    }

     #lecturesContainer > div span,
      #lecturesContainer > div p,
       #lecturesContainer > div {
        font-size: 1.7rem;
        font-weight: 600;
        color: #111827;
       }

  #lecturesContainer::-webkit-scrollbar {
    width: .6rem;
  }

  #lecturesContainer::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 1rem;
  }

  .lecture-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.6rem 2rem;
    background: #f9fafb;
    border-radius: 1.2rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    cursor: pointer;
    transition: all .25s ease;
  }

  .lecture-item:hover {
    background: #eef2ff;
    transform: translateY(-1px);
  }

  .lecture-item.active {
    background: #f59e0b;
    color: #ffffff;
  }

  .lecture-item.locked {
    opacity: .55;
    cursor: not-allowed;
  }

  .lecture-item::before {
    content: "▶";
    margin-right: 1.2rem;
    font-size: 1.3rem;
    color: #2563eb;
  }

  .lecture-item.locked::before {
    content: "🔒";
    color: #9ca3af;
  }

  .lecture-item.preview::after {
    content: "Preview";
    background: #2563eb;
    color: #ffffff;
    padding: .4rem 1rem;
    border-radius: 1.4rem;
    font-size: 1.1rem;
    font-weight: 700;
  }

}


/* ===============================
   CHAPTER STRUCTURE
=============================== */

.chapter-page{
  min-height: 100vh;
  background:
    radial-gradient(circle at 25% 25%, #ff7a18, transparent 60%),
    radial-gradient(circle at 80% 80%, #cc5200, transparent 70%),
    #e35a00;
  overflow-x: hidden;
}

.chapter-item {
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  z-index: 10;
  margin-bottom: 2rem;
  border-radius: 1rem;
  background: #fdfdfd;
}

.chapter-header {
  padding: 1.6rem;
  background: $light-green;
  border-radius: .8rem;
  cursor: pointer;

  h4 {
    font-size: 1.8rem;
    color: $black;
    font-weight: 700;
  }

  &:hover {
    background: lighten($light-green, 5%);
  }
}

.chapter-content{
  background: #ffffff;

  border-radius: 3rem;

  padding: 4rem 4.5rem;

  margin-top: 3.5rem;

  width: min(115rem, 94%);
  margin-left: auto;
  margin-right: auto;

  box-shadow:
    0 25px 60px rgba(0,0,0,0.15),
    0 10px 25px rgba(0,0,0,0.08);

  border: 1px solid rgba(255,255,255,0.3);

  backdrop-filter: blur(6px);
}

.chapter-layout .course-sidebar{
  background: transparent;
  padding: 0;
  box-shadow: none;
}

.chapter-layout ~ .course-header,
.course-header:has(+ .chapter-layout) {
  display: none;
}

.choose-box {
  width: 100%;
  text-align: center;

  font-family: "Chalkboy", cursive;
  font-size: clamp(9rem, 6vw, 13rem);
  font-weight: 300;
  color: #fff;
  margin-top: -32rem;

  white-space: nowrap;

  text-shadow:
    2px 2px 0 rgba(0,0,0,0.25),
    0 0 2px rgba(255,255,255,0.4);
}

/* ===============================
   CONTENT GROUP (Recorded / Live / PDF)
=============================== */

.content-group {
  margin-bottom: 2rem;

  h5 {
    font-size: 1.5rem;
    font-weight: 700;
    color: $secondary;
    margin-bottom: 1rem;
    text-transform: uppercase;
  }

  .lecture-item {
    margin-bottom: 1rem;
  }
}


.lecture-list {
  background: $white;
  border-radius: 1.2rem;
  padding: 2.5rem;
  box-shadow: $box-shadow;

  h3 {
    @include titleText(2.4rem);
    margin-bottom: 2rem;
  }
}

/* ===============================
   LECTURE ITEM
=============================== */

.lecture-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 1.6rem;
  border-radius: 1.4rem;
  margin-bottom: 1.6rem;
  background: #f9fafb;
  cursor: pointer;
  min-height: 6.4rem;
  font-weight: 500;
  font-size: 1.6rem;
  transition: transform .15s ease, box-shadow .15s ease;

  &:hover {
    background: #f1f5f9;
  }

  &.locked {
    opacity: .6;
  }

  &.preview {
    border-left: .4rem solid $primary;
  }

  .lecture-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;

    .lecture-order {
      font-size: 1.6rem;
      font-weight: 700;
      color: $primary;
      width: 3rem;
    }

    h4 {
      font-size: 1.55rem;
      line-height: 1.45;
      color: $black;
    }

    p {
      font-size: 1.3rem;
      color: $light-color;
    }
  }

  .lecture-right {
    display: flex;
    align-items: center;
    gap: 1.2rem;

    .lecture-type {
      font-size: 1.8rem;
    }

    .lecture-status {
      font-size: 1.2rem;
      font-weight: 700;
      color: $primary;
    }
  }
}

/* ===============================
   PURCHASE POPUP
=============================== */

.purchase-popup {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;

  &.hidden {
    display: none;
  }

  .popup-box {
    background: $white;
    padding: 3rem;
    border-radius: 1.2rem;
    width: 35rem;
    text-align: center;

    h3 {
      @include titleText(2.4rem);
      margin-bottom: 1rem;
    }

    p {
      @include graphText(1.5rem);
      margin-bottom: 2rem;
    }

    .popup-btn {
      width: 100%;
      padding: 1.2rem;
      font-size: 1.6rem;
      background: $primary;
      color: $white;
      border-radius: .6rem;
      margin-bottom: 1rem;
      cursor: pointer;
    }

    .popup-close {
      width: 100%;
      padding: 1.2rem;
      font-size: 1.5rem;
      background: transparent;
      border: $border;
      color: $primary;
      border-radius: .6rem;
      cursor: pointer;
    }
  }
}

/* ===============================
   RESPONSIVE
=============================== */

@media (max-width: 991px) {
  .course-layout:not(.chapter-layout){
    grid-template-columns: 1fr;
  }
}


/* ===============================
   CHAPTER PAGE – CLEAN RESET
=============================== */

/* Overall chapter section */
.chapter-layout{
  width: min(120rem, 95%);
  margin: 3rem auto 0 auto;

  display: grid;
  grid-template-columns: 24rem 1fr;
  gap: 4rem;
  align-items: start;
}

/* TOP OPTIONS BAR (PILLS) */
.chapter-options{
  display:flex;
  flex-direction:column;
  gap:2rem;
  width:100%;
}

/* Individual option pill */
.chapter-options .option-btn {
  padding: 1.4rem 3rem;
  border-radius: 4rem;
  font-size: 1.7rem;
  font-weight: 700;
  background: #ffffff;
  color: #111827;
  cursor: pointer;
  transition: all .25s ease;
  border: .2rem solid transparent;
  opacity: .7;
}

/* Hover FIX */
.chapter-options .option-btn:hover {
  background: #ffffff;
  color: #111827;
  box-shadow: 0 .6rem 1.6rem rgba(0,0,0,0.15);
}

/* Active pill */
.chapter-options .option-btn.active {
  opacity: 1 !important;
  background: #0b1a2f;
  color: #ffffff;
  border-color: #0b1a2f;
  box-shadow: 0 .8rem 2rem rgba(0,0,0,.25);
  transform: translateY(-2px);
}

/* Prevent hover override on active */
.chapter-options .option-btn.active:hover {
  background: #0b1a2f;
  color: #ffffff;
}

/* hover (non-active only) */
.chapter-options .option-btn:not(.active):hover {
  opacity: 1;
  background: #f1f5f9;
  color: #111827;
}

/* CONTENT AREA */
.chapter-content-area {
  background: #ffffff;
  border-radius: 2rem;
  padding: 3.5rem 4rem;
  box-shadow: 0 1rem 3rem rgba(0,0,0,0.12);

  width: min(110rem, 95%);
  margin-top: 1rem;
  max-width: 100%;
}

/* Content title */
.chapter-content-area h3 {
  @include titleText(2.4rem);
  margin-bottom: 2rem;
}

#contentContainer{
  height: 420px;
  overflow-y: auto;
  padding-right: 0.6rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

#contentContainer::-webkit-scrollbar{
  width: 6px;
}

#contentContainer::-webkit-scrollbar-thumb{
  background: #e5e7eb;
  border-radius: 1rem;
}


/* ===============================
   TOPIC ACCORDION (Topic → Lectures)
=============================== */

.topic-block{
  border-radius: 1.6rem;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
}

.topic-header{
  padding: 1.6rem 2rem;
  font-size: 1.6rem;
  font-weight: 600;
  background: #e5e7eb;
  cursor: pointer;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topic-header:hover {
  background: #e2e8f0;
}

.topic-header::after {
  content: "▾";
  font-size: 1.6rem;
  transition: transform .2s ease;
}

.topic-block.open .topic-header{
border-bottom-left-radius: 0;
border-bottom-right-radius: 0;
}

.topic-block.open .topic-header::after {
  transform: rotate(-180deg);
}

.topic-lectures{
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;

  display: flex;
  flex-direction: column;
  gap: 1rem;

  padding: 1.8rem 2rem;
  background: #f9fafb;
}

.topic-block.open .topic-lectures{
  max-height: 300px;
  overflow-y: auto;
}

.topic-lectures::-webkit-scrollbar{
  width: 6px;
}

.topic-lectures::-webkit-scrollbar-thumb{
  background: #d1d5db;
  border-radius: 10px;
}

/* ===============================
   CUSTOM SCROLLBAR – LECTURE LIST
=============================== */

#lectureList {
  margin-top: 2.2rem;
  max-height: calc(5 * 5.6rem);
  overflow-y: auto;
  padding-right: .6rem;
  scrollbar-width: thin;              // Firefox
  scrollbar-color: #cbd5e1 transparent;
  border-radius: 1.2rem;
  background: #f9fafb;
}

#lectureList::-webkit-scrollbar {
  width: 6px;
}

#lectureList::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 1rem;
}

/* Chrome, Edge, Safari */
#lectureList::-webkit-scrollbar {
  width: 6px;                          // 🔹 thin scrollbar
}

#lectureList::-webkit-scrollbar-track {
  background: transparent;
}

#lectureList::-webkit-scrollbar-thumb {
  background-color: #cbd5e1;           // subtle gray
  border-radius: 6px;
}

/* ❌ REMOVE ARROWS */
#lectureList::-webkit-scrollbar-button {
  display: none;
}

/* Notes & Resources */
.lecture-notes {
  background: $white;
  border-radius: 1.2rem;
  padding: 2rem;
  box-shadow: $box-shadow;
}

.lecture-notes h4 {
  @include titleText(1.8rem);
  margin-bottom: 1.2rem;
}

.lecture-notes a {
  display: block;
  font-size: 1.4rem;
  color: $secondary;
  margin-bottom: .8rem;
  font-weight: 500;

  &:hover {
    color: $primary;
    text-decoration: underline;
  }
}

.lecture-notes p {
  font-size: 1.3rem;
  color: $light-color;
}

/* ===============================
   NOW PLAYING – EQUALIZER
=============================== */

.lecture-item.now-playing {
  position: relative;
  background: $primary;
  color: $white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  min-height: 5.6rem;
  box-shadow: 0 .8rem 2rem rgba(245, 158, 11, .35);
}

.lecture-item.now-playing .now-text {
  font-size: 1.5rem;
}

/* Text */
-text {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Equalizer container */
.lecture-item.now-playing .playing {
  display: flex;
  align-items: flex-end;
  height: 1.4rem;
}

/* Bars */
.lecture-item.now-playing .playing span {
  width: 0.3rem;
  height: 100%;
  background: $white;
  margin-right: 0.25rem;
  border-radius: 2px;
  animation: equalize 1.6s ease-in-out infinite;
  opacity: 0.85;
}

/* Staggered animation */
.lecture-item.now-playing .playing span:nth-child(1) { animation-delay: 0s; }
.lecture-item.now-playing .playing span:nth-child(2) { animation-delay: .2s; }
.lecture-item.now-playing .playing span:nth-child(3) { animation-delay: .4s; }
.lecture-item.now-playing .playing span:nth-child(4) { animation-delay: .6s; }

/* Animation */
@keyframes equalize {
  0%   { height: 40%; }
  50%  { height: 100%; }
  100% { height: 40%; }
}

/* ===============================
   HOVER – PLAY NOW (NON-CURRENT)
=============================== */

.lecture-item:not(.now-playing) {
  position: relative;
  overflow: hidden;
  font-weight: 500;
}

/* COMPLETELY hide original content on hover */
.lecture-item:not(.now-playing):hover {
  transform: translateY(-2px);
  box-shadow: 0 .6rem 1.6rem rgba(0,0,0,.08);
  color: transparent;
}

.lecture-item:not(.now-playing):hover * {
  visibility: hidden;
}

/* hover overlay */
.lecture-item:not(.now-playing)::after {
  content: "▶ PLAY NOW";
  position: absolute;
  inset: 0;
  background: rgba(245, 158, 11, 0.85); // lighter orange
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}

/* show overlay on hover */
.lecture-item:not(.now-playing):hover::after {
  opacity: 1;
  transform: scale(1);
}


/* ===============================
   PDF VIEWER (SCSS FIX)
=============================== */

.pdf-layout {
  padding: 4rem 10%;
  display: grid;
  grid-template-columns: 30rem 1fr;
  gap: 3rem;
  background: #fff;
}

.pdf-sidebar{
  background: $white;
  border-radius: 1.2rem;
  padding: 2rem;
  box-shadow: $box-shadow;
  max-height: calc(100vh - 10rem);
  overflow-y: auto;
}

.pdf-sidebar h3{
  @include titleText(2.2rem);
  margin-bottom: 1.5rem;
}

.pdf-main {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.pdf-main .lecture-title h2{
  @include titleText(2.6rem);
  font-weight: 700;
}

.pdf-area {
  background: $white;
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: $box-shadow;
}

.pdf-wrapper {
  width: 100%;
  height: calc(100vh - 22rem); // 🔑 THIS FIXES THE TINY PDF
  background: $white;
  border-radius: 1rem;
  overflow: hidden;
}

#pdfContainer {
  width: 100%;
  height: 100%;
}

#pdfContainer iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
  }

/* ===============================
   NOTES
=============================== */
.lecture-notes {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.08);
}

/* ===============================
   PLAYER PAGE – FINAL DESIGN
=============================== */

.player-layout{
  display: grid;
  grid-template-columns: 550px minmax(0, 1fr) 360px;
  align-items: start;
  gap: 3rem;
  padding: 0;
}

.player-page {
  padding: 3rem 6%;
  display: grid;
  gap: 4rem;
  background: #fff;
  max-width: 100%;
  padding-left: 0;
  grid-template-columns: 400px minmax(0, 1fr);
}

.player-sidebar {
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  margin-top: 6.9rem;
  margin-left: 0;
  border-radius: 2rem;
  padding: 3rem  2.8rem;
  box-shadow: 0 1.2rem 3.5drem rgba(0,0,0,.08);
  grid-column: 1/2;
}

.player-main{
  grid-column: 2 / 3;
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
  width: 100%;
  max-width: 100%;
  margin-top: 6.9rem;
}

.player-sidebar h3 {
  font-size: 2.1rem;
  font-weight: 700%;
  letter-spacing: .02rem;
  margin-bottom: 2.4rem;
  color: #444;
}

.player-content {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
  margin-top: 6.9rem;
  grid-column: 2/3;
}

.player-notes{
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  margin-top: 6.9rem;
  border-radius: 2rem;
  padding: 3rem 2.8rem;
  box-shadow: 0 1.2rem 3.5rem rgba(0,0,0,.08);
  height: fit-content;
  grid-column: 3/4;
}

.player-notes h3{
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 2.4rem;
  color: #444;
}

.lecture-title{
  display: none;
}

.lecture-title h2 {
  font-size: 2.6rem;
  color: #444;
}

.player-shell {
  background: #000;
  border-radius: 2rem;
  padding: 2rem;
  box-shadow: 0 2rem 5rem rgba(0,0,0,.25);
  width: 100%;
  max-width: 1400px;
  margin: 0;
  margin-top: 2.4rem;
  position: relative;
  z-index: 1;
  margin-top: -1.6rem;
}

.video-wrap {
  position: relative;
  width: 100%;
  height: 720px;
  border-radius: 2rem;
  overflow: hidden;
  background: #000;
  z-index: 1;
}

#ytplayer {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 900px;
  transform: translateY(-50%);
  pointer-events: none;
}

#ytplayer iframe{
  position: absolute;
  top: -60px;
  height: 620px;
  width: 100%;
  border: none;
  pointer-events: none;
}

.controls {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 1.2rem;
  position: relative;
  z-index: 50;
  pointer-events: auto;
  opacity: 1;
  transition: opacity .25 ease;
}

.controls.hidden{
  opacity: 0;
  pointer-events: none;
}

#toggleBtn {
  padding: .8rem 1.8rem;
  border-radius: .6rem;
  background: #0ea5e9;
  color: #fff;
  font-size: 1.4rem;
}

#seek {
  flex: 1;
}

.volume-wrap {
  width: 8rem;
}

.gear-btn {
  padding: .8rem 1rem;
  border-radius: .6rem;
  background: #0ea5e9;
  color: #fff;
}

.yt-settings {
  position: absolute;
  right: 2rem;
  bottom: 7rem;
  width: 20rem;
  background: #020617;
  border-radius: 1.2rem;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
}

.yt-settings.show {
  opacity: 1;
  pointer-events: auto;
}

.yt-settings,
.yt-settings * {
  pointer-events: auto !important;
}

.menu {
  display: none;
}

.menu.main {
  display: block;
}

.row,
.opt,
.back {
  padding: 1.2rem 1.4rem;
  font-size: 1.4rem;
  color: #e5e7eb;
}

.lecture-notes {
  background: #fff;
  border-radius: 1.4rem;
  padding: 2.4rem;
  box-shadow: 0 0.6rem 1.6rem rgba(0,0,0,.08);
}

@media (max-width: 991px) {
  .player-page {
    grid-template-columns: 1fr;
  }

  .player-layout{
    grid-template-columns: 1fr;
  }

  .player-notes{
    order: 3;
    margin-top: 0;
  }
}

.player-layout{
  padding: 0 !important;
}

.controls,
.controls * {
  cursor: pointer !important;
}

.controls input[type="range"] {
  cursor: pointer !important;
}

.gear-btn,
#toggleBtn {
  cursor: pointer !important;
}





















.why,
.courses-sticky,
.stack-cards-container {
  overflow: visible !important;
}

.chapter-content-area,
.course-sidebar {
  position: relative;
  z-index: 5;
}

.scroll-tint{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(
    to bottom,
    rgba(11,46,92,0.0),
    rgba(30,78,140,0.0)
  );
  transition: background 0.2s linear;
}





















// ==========================
// RESPONSIVE
// =========================

@media (min-width: 769px) {
  .navbar #close-navbar {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .account-dropdown {
    display: none !important;
  }
}

@media (max-width:1200px){
  .header{
    padding: 2rem 5%;
  }

  section{
  padding: 3rem 5%;
  }
}

@media (max-width:991px){

  .header{
    padding: 2rem;
  }

  section{
  padding: 3rem 2rem;
  }
}

@media(max-width:768px){
  .header{
    #menu-btn{
      display: inline-block;
    }

    .navbar{
      position:fixed;
      top: 0;
      right: -105%;
      width: 30rem;
      background: $white;
      height: 100%;
      display: flex;
      flex-flow: column;
      justify-content: center;
      z-index: 1200;

      #close-navbar{
        display: block;
      }

      &.active{
        box-shadow: 0 0 0 100vw rgba(0,0,0,.8);
        right: 0;
      }

      a{
        display: block;
        margin: 1rem 0;
        text-align: center;
        font-size: 3rem;
      }
    }
  }

  .home .slide .content h3{
    font-size: 3rem;
  }
}

@media (min-width: 769px) {
  .account-form {
    display: none;
  }
}

@media (max-width: 1200px) {
  .courses-page{
    .courses-grid{
      grid-template-columns: repeat(2, 1fr);
    }
  }
}

@media (max-width: 768px) {
  .courses-page{
    .courses-grid{
      grid-template-columns: 1fr;
    }
  }
}

@media (max-width: 991px){
  .chapter-layout{
    gap: 2rem;
  }
}

/* =====================================
   MOBILE FALLBACK LAYOUT
   disable sticky animation completely
===================================== */

@media (max-width: 1024px){

  .courses-spacer{
    display: none;
  }

  .courses-sticky{
    position: relative !important;
    height: auto !important;
    margin-top: 0 !important;
  }

  .courses-wrapper{
    position: relative !important;
    top: auto !important;
    height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4rem !important;
  }

  .course-info{
    position: static !important;
  }

  .course-info-item{
    position: static !important;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
  }

  .course-card{
    max-width: 100% !important;
  }

  .course-images{
    display: none !important;
  }

}
@media (max-width: 1024px){

  .header{
    position: fixed !important;
    z-index: 9999 !important;
  }

  .parallax-wrapper{
    position: relative !important;
    height: auto !important;
  }

}
/* =====================================
   SLIDER MOBILE + TABLET FIX
   (desktop untouched)
===================================== */

@media (max-width: 1024px){

  .home .slide{
    height: 70vh !important;
    padding: 2rem !important;
    background-position: center !important;
    background-size: cover !important;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .home .slide .content{
    width: 100% !important;
    max-width: 90%;
    margin: auto;
  }

  .home .slide .content h3{
    font-size: 3rem;
    line-height: 1.2;
  }

  .home .slide .content p{
    font-size: 1.5rem;
    line-height: 1.6;
  }

}

@media (max-width: 600px){

  .home .slide{
    height: 65vh !important;
  }

  .home .slide .content h3{
    font-size: 2.4rem;
  }

}
/* =====================================
   MOBILE / TABLET COURSES STACK FIX
   (desktop untouched)
===================================== */

@media (max-width: 1024px){

  /* kill sticky scroll system */
  .courses-sticky{
    height: auto !important;
    overflow: visible !important;
  }

  .courses-wrapper{
    position: relative !important;
    height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 5rem !important;
    padding: 6rem 5% !important;
  }

  /* show ALL course cards normally */
  .course-info{
    position: relative !important;
    min-height: auto !important;
  }

  .course-info-item{
    position: relative !important;
    top: auto !important;
    transform: none !important;
    opacity: 1 !important;
    margin-bottom: 4rem;
  }

  /* image becomes normal block */
  .course-images{
    position: relative !important;
    height: 32vh !important;
    width: 100% !important;
    border-radius: 2rem;
    overflow: hidden;
    margin-bottom: 2rem;
  }

  .course-images img{
    position: absolute !important;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1 !important;
    transform: none !important;
  }

  /* hide extra stacked images */
  .course-images img:not(.active){
    display: none !important;
  }

}
// PLAYER MOBILE
@media (max-width: 768px){

  body.mobile-player .header,
  body.mobile-player .player-sidebar,
  body.mobile-player .player-notes {
    display: none !important;
  }

  body.mobile-player .player-layout{
    grid-template-columns: 1fr !important;
    padding: 0 !important;
  }

  body.mobile-player .player-content{
    margin: 0 !important;
  }

  body.mobile-player .player-shell{
    border-radius: 0 !important;
    padding: 0 !important;
    height: 100vh !important;
  }

  body.mobile-player .video-wrap{
    height: 100vh !important;
    border-radius: 0 !important;
  }

}
.mobile-player-mode {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: #000 !important;
  z-index: 99999 !important;
  margin: 0 !important;
  border-radius: 0 !important;
  padding: 0 !important;
}

.mobile-player-mode .video-wrap {
  height: 100vh !important;
  border-radius: 0 !important;
}

/* ===============================
   MOBILE CLASS CARDS
=============================== */

@media (max-width: 768px){

  .class-selector{
    padding: 3rem 1.6rem 4rem;
    gap: 2.8rem;
    padding-top: 16rem;
    padding-bottom: 12rem;
  }

  .class-selector .choose-box{
    padding: 1.8rem;
    font-size: 3.2rem;
    border-radius: 1.8rem;
    margin-top: 1rem;
  }

  .class-selector .class-grid{
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .class-selector .class-cell{
    flex-direction: row;
    align-items: center;
    border-radius: 1.6rem;
    height: 8rem;
    background: linear-gradient(135deg,#ffb11a,#f59e0b);
    box-shadow: 0 .6rem 1.6rem rgba(0,0,0,.18);
  }

  .class-selector .class-cell img{
    width: 8rem;
    height: 100%;
    object-fit: cover;
  }

  .class-selector .class-cell span{
    padding: 0 1.6rem;
    font-size: 1.8rem;
    text-align: left;
    font-weight: 600;
    letter-spacing: .3px;
  }

  footer{
    margin-top: 5rem;
  }

}

/* =================================
   COURSE DETAILS — MOBILE FIX v2
================================= */

@media (max-width: 768px){

  .course-layout{
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    padding: 1.6rem;
  }

  /* ABOUT auto height */
  .course-sidebar{
    height: auto !important;
    max-height: none !important;
  }

  /* HARD LIMIT course content box */
  .lecture-list{
    max-height: 42rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  /* only inner area scrolls */
  #lecturesContainer{
    flex: 1;
    overflow-y: auto;
    padding-right: .4rem;
  }

}

