/* =========================================================
   TEDxMET Nashik — Speaker Nominations
   Stylesheet
   ========================================================= */

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

:root{
  --red:#E62B1E;
  --red-dark:#c42116;
  --black:#0D0D0D;
  --white:#F0EDE8;
  --gray:#878787;
  --line:rgba(255,255,255,.08);
}

html{
  scroll-behavior:smooth;
}

body{
  background:var(--white);
  color:var(--black);
  font-family:'IBM Plex Sans',sans-serif;
  overflow-x:hidden;
}

/* =========================
   SCROLL-REVEAL ANIMATIONS
========================= */

.reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .8s cubic-bezier(.16,1,.3,1),
             transform .8s cubic-bezier(.16,1,.3,1);
}

.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

.reveal-left{
  opacity:0;
  transform:translateX(-50px);
  transition:opacity .8s cubic-bezier(.16,1,.3,1),
             transform .8s cubic-bezier(.16,1,.3,1);
}

.reveal-left.visible{
  opacity:1;
  transform:translateX(0);
}

.reveal-right{
  opacity:0;
  transform:translateX(50px);
  transition:opacity .8s cubic-bezier(.16,1,.3,1),
             transform .8s cubic-bezier(.16,1,.3,1);
}

.reveal-right.visible{
  opacity:1;
  transform:translateX(0);
}

/* Staggered children delay */
.stagger > *:nth-child(1){ transition-delay:.05s; }
.stagger > *:nth-child(2){ transition-delay:.12s; }
.stagger > *:nth-child(3){ transition-delay:.19s; }
.stagger > *:nth-child(4){ transition-delay:.26s; }
.stagger > *:nth-child(5){ transition-delay:.33s; }
.stagger > *:nth-child(6){ transition-delay:.4s; }
.stagger > *:nth-child(7){ transition-delay:.47s; }

/* =========================
   NAV
========================= */

nav{
  position:fixed;
  top:0;
  width:100%;
  height:64px;
  padding:0 36px;
  background:rgba(13,13,13,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  z-index:999;
}

.nav-left{
  display:flex;
  align-items:center;
  gap:18px;
}

.ted-logo{
  font-family:'Bebas Neue',sans-serif;
  font-size:28px;
  color:var(--red);
  letter-spacing:1px;
  transition:transform .3s cubic-bezier(.16,1,.3,1);
}

.ted-logo:hover{
  transform:scale(1.06);
}

.nav-meta{
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.18em;
  line-height:1.5;
  color:var(--white);
}

.nav-right{
  display:flex;
  gap:40px;
  align-items:center;
}

.nav-link{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.18em;
  text-decoration:none;
  color:var(--white);
  position:relative;
}

.nav-link::after{
  content:'';
  position:absolute;
  bottom:-8px;
  left:0;
  width:0%;
  height:1px;
  background:var(--white);
  transition:.3s;
}

.nav-link:hover::after{
  width:100%;
}

.nav-btn{
  background:var(--red);
  color:white;
  text-decoration:none;
  padding:10px 20px;
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  transition:background .3s, transform .2s;
}

.nav-btn:hover{
  background:var(--red-dark);
  transform:translateY(-1px);
}

.hamburger-btn{
  display:none;
  background:none;
  border:none;
  color:var(--white);
  font-size:24px;
  cursor:pointer;
  line-height:1;
}

/* =========================
   MOBILE MENU OVERLAY
========================= */

.mobile-menu-overlay{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  background:rgba(13,13,13,.95);
  backdrop-filter:blur(10px);
  z-index:1000;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .4s cubic-bezier(.16,1,.3,1);
}

.mobile-menu-overlay.open{
  opacity:1;
  pointer-events:auto;
}

.mobile-menu-close{
  position:absolute;
  top:20px;
  right:24px;
  background:none;
  border:none;
  color:var(--white);
  font-size:32px;
  cursor:pointer;
  line-height:1;
  padding:10px;
  transition:color .3s;
}

.mobile-menu-close:hover{
  color:var(--red);
}

.mobile-menu-links{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:40px;
}

.mobile-nav-link{
  font-family:'Bebas Neue',sans-serif;
  font-size:48px;
  color:var(--white);
  text-decoration:none;
  letter-spacing:2px;
  transition:color .3s;
}

.mobile-nav-link:hover{
  color:var(--red);
}

/* =========================
   HERO
========================= */

.hero{
  min-height:100vh;
  padding-top:64px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
}

.hero-left{
  background:var(--white);
  padding:72px 60px 60px;
  position:relative;
  border-right:1px solid rgba(0,0,0,.08);
}

.hero-topline{
  font-size:10px;
  letter-spacing:.25em;
  text-transform:uppercase;
  color:var(--red);
  margin-bottom:32px;
}

.hero-logo{
  display:block;
  width:100%;
  max-width:420px;
  height:auto;
}

.hero-desc{
  margin-top:36px;
  max-width:340px;
  color:#555;
  line-height:1.8;
  font-size:14px;
  font-weight:300;
}

.hero-bottom{
  margin-top:48px;
  display:flex;
  align-items:center;
  gap:32px;
}

.hero-btn{
  background:var(--black);
  color:white;
  text-decoration:none;
  padding:13px 22px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  transition:background .3s, transform .25s, box-shadow .3s;
}

.hero-btn:hover{
  background:var(--red);
  transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(230,43,30,.25);
}

.scroll{
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.2em;
  color:#777;
  animation:scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse{
  0%,100%{ opacity:.5; transform:translateY(0); }
  50%{ opacity:1; transform:translateY(4px); }
}

/* =========================
   RIGHT PANEL (Stats)
========================= */

.hero-right{
  background:var(--red);
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-rows:1fr 1fr;
}

.stat{
  padding:36px;
  border-left:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  transition:background .3s, transform .3s;
}

.stat:hover{
  background:rgba(0,0,0,.08);
}

.stat-number{
  font-family:'Bebas Neue',sans-serif;
  color:white;
  font-size:clamp(48px,5.5vw,80px);
  line-height:.9;
  transition:transform .4s cubic-bezier(.16,1,.3,1);
}

.stat:hover .stat-number{
  transform:scale(1.08);
}

.stat-label{
  margin-top:10px;
  color:rgba(255,255,255,.7);
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.18em;
  line-height:1.7;
}

/* =========================
   QUOTE SECTION
========================= */

.quote-section{
  background:var(--black);
  color:white;
  padding:90px 60px;
  border-top:1px solid var(--line);
}

.quote-text{
  max-width:900px;
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(32px,4.5vw,72px);
  line-height:1.05;
  letter-spacing:-.02em;
}

.quote-author{
  margin-top:28px;
  color:#777;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.18em;
}

/* =========================
   CRITERIA
========================= */

.criteria{
  background:var(--white);
  padding:80px 60px;
}

.criteria-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  margin-bottom:50px;
  gap:40px;
}

.criteria-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(44px,5vw,80px);
  line-height:.95;
}

.criteria-sub{
  max-width:280px;
  font-size:13px;
  color:#666;
  line-height:1.9;
}

.criteria-grid{
  border-top:1px solid rgba(0,0,0,.08);
}

.criteria-card{
  display:grid;
  grid-template-columns:80px 1fr 1fr;
  gap:30px;
  padding:32px 0;
  border-bottom:1px solid rgba(0,0,0,.08);
  transition:padding-left .3s cubic-bezier(.16,1,.3,1), background .3s;
}

.criteria-card:hover{
  padding-left:20px;
  background:rgba(230,43,30,.02);
}

.criteria-number{
  font-family:'Bebas Neue',sans-serif;
  font-size:40px;
  color:#ccc;
  transition:color .3s;
}

.criteria-card:hover .criteria-number{
  color:var(--red);
}

.criteria-name{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--red);
}

.criteria-text{
  font-size:14px;
  line-height:1.9;
  color:#444;
}

/* =========================
   FORM
========================= */

.form-section{
  display:grid;
  grid-template-columns:360px 1fr;
  background:var(--black);
}

.form-left{
  background:var(--red);
  padding:60px 40px;
  position:sticky;
  top:64px;
  height:calc(100vh - 64px);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

.form-tag{
  color:rgba(255,255,255,.7);
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.2em;
}

.form-heading{
  margin-top:16px;
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(44px,4.5vw,72px);
  line-height:.92;
  color:white;
}

.form-left p{
  margin-top:20px;
  color:rgba(255,255,255,.75);
  line-height:1.8;
  font-size:13px;
}

.form-deadline{
  border-top:1px solid rgba(255,255,255,.2);
  padding-top:30px;
}

.form-deadline span{
  display:block;
  color:rgba(255,255,255,.6);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
}

.form-deadline h3{
  margin-top:8px;
  font-family:'Bebas Neue',sans-serif;
  font-size:36px;
  color:white;
}

.form-right{
  padding:60px 56px;
}

.form-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(38px,4vw,64px);
  line-height:.95;
  color:white;
}

.form-sub{
  margin-top:20px;
  color:#777;
  max-width:400px;
  line-height:1.9;
  font-size:13px;
}

.form-grid{
  margin-top:40px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px 24px;
}

.full{
  grid-column:1/-1;
}

.field{
  display:flex;
  flex-direction:column;
  position:relative;
}

.field label{
  color:#777;
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.18em;
  margin-bottom:14px;
  transition:color .3s;
}

.field:focus-within label{
  color:var(--red);
}

.field input,
.field textarea,
.field select{
  background:transparent;
  border:none;
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:12px 0;
  color:white;
  font-size:14px;
  font-family:'IBM Plex Sans',sans-serif;
  outline:none;
  transition:border-color .3s;
}

.field input:focus,
.field textarea:focus,
.field select:focus{
  border-color:var(--red);
}

.field textarea{
  min-height:140px;
  resize:vertical;
}

/* Validation error state */
.field.error input,
.field.error textarea{
  border-color:#ff4444;
}

.field .error-msg{
  display:none;
  color:#ff6b6b;
  font-size:10px;
  letter-spacing:.1em;
  margin-top:6px;
}

.field.error .error-msg{
  display:block;
  animation:shakeIn .4s ease;
}

@keyframes shakeIn{
  0%,100%{ transform:translateX(0); }
  25%{ transform:translateX(-4px); }
  75%{ transform:translateX(4px); }
}

.submit-wrap{
  margin-top:48px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:28px;
}

.step{
  color:#777;
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.submit-btn{
  background:var(--red);
  border:none;
  color:white;
  padding:13px 28px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  cursor:pointer;
  transition:background .3s, transform .25s, box-shadow .3s;
  position:relative;
  overflow:hidden;
}

.submit-btn:hover{
  background:var(--red-dark);
  transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(230,43,30,.3);
}

.submit-btn:active{
  transform:translateY(0);
  box-shadow:none;
}

/* Loading spinner inside submit button */
.submit-btn.loading{
  pointer-events:none;
  opacity:.85;
}

.submit-btn.loading::after{
  content:'';
  display:inline-block;
  width:14px;
  height:14px;
  border:2px solid rgba(255,255,255,.3);
  border-top-color:white;
  border-radius:50%;
  margin-left:10px;
  vertical-align:middle;
  animation:spin .6s linear infinite;
}

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

.form-grid.hide {
  display: none;
}

/* =========================
   SUCCESS PANEL
========================= */

.text-red {
  color: var(--red);
}

.success-panel {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  animation: fadeSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  margin-top: 40px;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-panel.show {
  display: flex;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(230, 43, 30, 0.1);
  color: var(--red);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  margin-bottom: 24px;
}

.success-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(32px, 4vw, 56px);
  color: white;
  line-height: 1;
  margin-bottom: 12px;
}

.success-email {
  color: #888;
  font-size: 14px;
  margin-bottom: 40px;
}

.success-email strong {
  color: white;
  font-weight: 500;
}

.success-next {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 32px;
  width: 100%;
  margin-bottom: 40px;
}

.success-next h4 {
  font-family: 'Bebas Neue', sans-serif;
  color: white;
  font-size: 24px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.success-next ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.success-next li {
  color: #bbb;
  font-size: 14px;
  display: flex;
  gap: 12px;
  line-height: 1.5;
}

.success-next li strong {
  color: white;
  font-weight: 500;
}

/* =========================
   FILE UPLOAD FIELD
========================= */

.field-optional{
  color:rgba(255,255,255,.25);
  font-size:9px;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-left:6px;
  font-style:normal;
}

.file-upload-wrap{
  position:relative;
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:20px 0 16px;
  cursor:pointer;
  transition:border-color .3s;
}

.field:focus-within .file-upload-wrap,
.file-upload-wrap.dragover{
  border-color:var(--red);
}

.file-upload-wrap.dragover{
  background:rgba(230,43,30,.05);
}

/* Invisible native input — covers the entire zone */
.file-input{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:0;
  cursor:pointer;
  z-index:2;
}

/* Visible upload UI row */
.file-upload-ui{
  display:flex;
  align-items:center;
  gap:18px;
  pointer-events:none;
  user-select:none;
}

.file-upload-arrow{
  font-size:22px;
  color:var(--red);
  line-height:1;
  transition:transform .35s cubic-bezier(.16,1,.3,1);
  display:inline-block;
}

.file-upload-wrap:hover .file-upload-arrow,
.file-upload-wrap.dragover .file-upload-arrow{
  transform:translateY(-5px);
}

.file-upload-copy{
  display:flex;
  flex-direction:column;
  gap:5px;
}

.file-upload-text{
  color:rgba(255,255,255,.45);
  font-size:14px;
  font-family:'IBM Plex Sans',sans-serif;
}

.file-upload-hint{
  color:rgba(255,255,255,.2);
  font-size:10px;
  letter-spacing:.12em;
  text-transform:uppercase;
}

/* File List Container */
.file-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:14px;
}

.file-list:empty{
  display:none;
}

/* Individual File Row */
.file-selected{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  animation:fadeSlideIn .35s cubic-bezier(.16,1,.3,1) both;
  position:relative;
  z-index:3;
}

@keyframes fadeSlideIn{
  from{ opacity:0; transform:translateY(6px); }
  to{   opacity:1; transform:translateY(0); }
}

.file-icon{
  font-size:16px;
  flex-shrink:0;
}

.file-name{
  color:white;
  font-size:13px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  flex:1;
}

.file-size{
  color:rgba(255,255,255,.35);
  font-size:10px;
  letter-spacing:.1em;
  white-space:nowrap;
  flex-shrink:0;
}

.file-remove{
  background:none;
  border:none;
  color:rgba(255,255,255,.3);
  cursor:pointer;
  font-size:13px;
  padding:4px 6px;
  line-height:1;
  transition:color .2s;
  flex-shrink:0;
  /* Sits above the file-input overlay */
  position:relative;
  z-index:3;
}

.file-remove:hover{
  color:var(--red);
}

/* =========================
   UPLOAD PROGRESS BAR
========================= */

.upload-progress-wrap{
  width:100%;
  height:2px;
  background:transparent;
  display:none;
}

.upload-progress-wrap.show{
  display:block;
}

.upload-progress-bar{
  height:100%;
  width:0%;
  background:var(--red);
  transition:width .3s cubic-bezier(.16,1,.3,1);
}

/* =========================
   TOAST NOTIFICATION
========================= */


.toast{
  position:fixed;
  bottom:40px;
  right:40px;
  min-width:340px;
  padding:20px 28px;
  border-radius:4px;
  font-size:13px;
  letter-spacing:.04em;
  color:white;
  z-index:9999;
  transform:translateY(120%);
  opacity:0;
  transition:transform .5s cubic-bezier(.16,1,.3,1), opacity .5s;
  box-shadow:0 12px 40px rgba(0,0,0,.35);
  display:flex;
  align-items:center;
  gap:14px;
}

.toast.show{
  transform:translateY(0);
  opacity:1;
}

.toast.success{
  background:#1a1a1a;
  border-left:4px solid #2ecc71;
}

.toast.error{
  background:#1a1a1a;
  border-left:4px solid #e74c3c;
}

.toast-icon{
  font-size:22px;
  flex-shrink:0;
}

.toast-body{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.toast-title{
  font-weight:600;
  font-size:14px;
}

.toast-msg{
  color:rgba(255,255,255,.7);
  font-size:12px;
  line-height:1.5;
}

/* =========================
   FOOTER
========================= */

footer{
  background:var(--white);
  padding:32px 60px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-top:1px solid rgba(0,0,0,.08);
}

.footer-logo{
  font-family:'Bebas Neue',sans-serif;
  font-size:26px;
  color:var(--red);
}

.footer-copy{
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#777;
}

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

@media(max-width:1100px){

  .hero{
    grid-template-columns:1fr;
  }

  .hero-right{
    min-height:360px;
  }

  .form-section{
    grid-template-columns:1fr;
  }

  .form-left{
    position:relative;
    top:0;
    height:auto;
    gap:40px;
  }

}

@media(max-width:768px){

  nav{
    padding:0 20px;
  }

  .nav-right{
    gap:20px;
  }

  .nav-right .nav-link{
    display:none;
  }

  .hamburger-btn{
    display:block;
  }

  .hero-left,
  .quote-section,
  .criteria,
  .form-right,
  footer{
    padding-left:24px;
    padding-right:24px;
  }

  .hero-left{
    padding-top:80px;
  }

  .stat{
    padding:24px;
  }

  .criteria-header{
    flex-direction:column;
    align-items:flex-start;
    margin-bottom:36px;
  }

  .criteria-card{
    grid-template-columns:50px 1fr;
    gap:8px 16px;
    padding:24px 0;
  }

  .criteria-text{
    grid-column:2;
  }

  .criteria-number{
    font-size:32px;
  }

  .form-right{
    padding:48px 24px;
  }

  .form-grid{
    grid-template-columns:1fr;
    margin-top:32px;
    gap:24px;
  }

  .field input,
  .field textarea,
  .field select{
    font-size:16px; /* Prevents auto-zoom on iOS devices */
    padding:10px 0;
  }

  .submit-wrap{
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
    margin-top:36px;
    padding-top:24px;
  }

  footer{
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
    padding-top:40px;
    padding-bottom:40px;
  }

  .toast{
    left:16px;
    right:16px;
    min-width:auto;
    bottom:20px;
  }

}

@media(max-width:560px){

  .hero-right{
    display:grid;
    grid-template-columns:1fr 1fr;
    grid-template-rows:1fr 1fr;
    min-height:220px;
  }

  .stat{
    padding:20px;
  }

  .stat-number{
    font-size:36px;
  }

  .stat-label{
    font-size:8px;
    letter-spacing:.12em;
    margin-top:6px;
  }

  .hero-logo{
    max-width:280px;
  }

}

@media(max-width:480px){

  .nav-meta{
    display:none;
  }

  .hero-bottom{
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
  }

  .hero-btn{
    width:100%;
    text-align:center;
  }

}

/* =========================
   ACCESSIBILITY (REDUCED MOTION)
========================= */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll {
    animation: none !important;
  }

  .submit-btn.loading::after {
    animation: none !important;
    content: '...' !important;
    border: none !important;
    width: auto !important;
    height: auto !important;
    margin-left: 5px !important;
  }

  .file-selected,
  .success-panel {
    animation: none !important;
  }
}