/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:   #0a1d4f;
  --blue:   #1a4fc4;
  --sky:    #2e7aff;
  --gold:   #f5a623;
  --yellow: #f5d000;
  --purple: #6b3fa0;
  --green:  #27ae60;
  --white:  #ffffff;
  --light:  #f0f4ff;
  --text:   #1a1a2e;
  --muted:  #5a6480;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(10,29,79,.12);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--light); color: var(--text); }
a { text-decoration: none; color: inherit; }
img { display: inline-block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-pad { padding: 60px 0; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #0a1d4f 0%, #1a3a9e 60%, #0a1d4f 100%);
  position: relative;
  overflow: hidden;
  padding: 48px 0 40px;
  text-align: center;
}

.hero-bg-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 4px;
}
.brand-icon { width: 40px; height: 40px; }
.brand-name {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.brand-accent { color: var(--gold); }

.presents-label {
  font-size: .72rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,.6);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.presents-label::before,
.presents-label::after {
  content: '';
  display: block;
  height: 1px;
  width: 40px;
  background: rgba(255,255,255,.3);
}

/* Hero title */
.hero-title-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 18px;
}
.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  gap: 6px;
}
.title-future {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 2px;
}
.title-data {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 900;
  background: linear-gradient(90deg, #4da6ff, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}
.challenge-badge {
  background: linear-gradient(90deg, var(--gold), #e8920a);
  color: var(--navy);
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 900;
  letter-spacing: 2px;
  padding: 6px 32px;
  border-radius: 4px;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  margin-top: 4px;
}

.hero-deco-left, .hero-deco-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  opacity: .85;
}
.hero-deco-left { left: -80px; }
.hero-deco-right { right: -80px; }
.hero-deco-left img, .hero-deco-right img { width: 80px; height: 80px; }

/* Hero subtitle */
.hero-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: .85rem;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,.75);
  margin-bottom: 28px;
}
.divider-line {
  display: block;
  height: 1px;
  width: 50px;
  background: rgba(255,255,255,.35);
}

/* Target card */
.target-card {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 18px 32px;
  text-align: left;
  backdrop-filter: blur(8px);
}
.target-card img { width: 52px; height: 52px; flex-shrink: 0; }
.target-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.target-label {
  font-size: .68rem;
  letter-spacing: 2px;
  color: var(--gold);
  font-weight: 700;
}
.target-text strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  max-width: 320px;
}

/* ===== INFO STRIP ===== */
.info-strip {
  background: var(--navy);
  padding: 28px 0;
}
.info-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 140px;
  padding: 12px 20px;
}
.info-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 4px;
}
.info-icon-wrap.blue   { background: var(--blue); }
.info-icon-wrap.green  { background: var(--green); }
.info-icon-wrap.gold   { background: var(--gold); }
.info-icon-wrap.purple { background: var(--purple); }
.info-icon-wrap.indigo { background: #4b3fa0; }

.bdt-badge {
  font-family: 'Poppins', sans-serif;
  font-weight: 900;
  font-size: .9rem;
  color: var(--navy);
}
.info-label {
  font-size: .65rem;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,.55);
  text-align: center;
}
.info-value {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  color: var(--white);
  text-align: center;
}
.gold-text   { color: var(--gold) !important; }
.yellow-text { color: var(--yellow) !important; }

/* ===== THREE COLUMNS ===== */
.three-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* Card Blue */
.card-blue { background: #fff; border: 2px solid #dbe8ff; }
.blue-header {
  background: linear-gradient(90deg, var(--blue), var(--sky));
  color: #fff;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .5px;
}
.blue-header i { font-size: 1.2rem; }
.card-sub {
  color: var(--blue);
  font-size: .78rem;
  font-weight: 600;
  padding: 12px 20px 4px;
}
.check-list {
  list-style: none;
  padding: 8px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--text);
}
.check-list li i { color: var(--blue); font-size: .85rem; flex-shrink: 0; }

/* Card White */
.card-white { background: #fff; border: 2px solid #e5e9f2; }
.white-header {
  background: linear-gradient(90deg, #1a3a9e, var(--blue));
  color: #fff;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}
.white-header i { font-size: 1.2rem; }
.card-sub-dark {
  padding: 14px 20px 6px;
  font-weight: 600;
  font-size: .85rem;
  color: var(--text);
}
.format-list {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.format-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .92rem;
  font-weight: 500;
}
.format-item img { width: 40px; height: 40px; flex-shrink: 0; }
.format-note {
  margin: 16px 20px 20px;
  background: #fff8e6;
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.format-note i { color: var(--gold); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.format-note p { font-size: .8rem; color: #5a4010; line-height: 1.5; }

/* Card Purple */
.card-purple { background: #fff; border: 2px solid #e5d8ff; }
.purple-header {
  background: linear-gradient(90deg, var(--purple), #9b5de5);
  color: #fff;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}
.purple-header i { font-size: 1.2rem; }
.lib-list {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lib-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: #f7f4ff;
  border-radius: 10px;
  padding: 10px 16px;
  transition: transform .2s, box-shadow .2s;
}
.lib-item:hover { transform: translateX(4px); box-shadow: 0 2px 12px rgba(107,63,160,.15); }
.lib-item img { width: 36px; height: 36px; }

/* ===== AWARDS ===== */
.awards { background: #fff; }
.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 36px;
}
.section-title h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 1px;
}
.gold-star { color: var(--gold); font-size: 1.3rem; }

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}
.award-card {
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  transition: transform .25s;
}
.award-card:hover { transform: translateY(-6px); }
.award-card img { width: 70px; height: 70px; }

.champion   { background: linear-gradient(135deg, #fff8e1, #ffe082); border: 2px solid var(--gold); }
.runner1    { background: linear-gradient(135deg, #f5f5f5, #e0e0e0); border: 2px solid #bdbdbd; }
.runner2    { background: linear-gradient(135deg, #fff3f0, #ffccbc); border: 2px solid #ff8a65; }
.participation { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); border: 2px solid var(--green); }

.award-rank {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .5px;
  color: var(--navy);
}
.champion-text { color: #b8860b; }
.award-card p {
  font-size: .85rem;
  color: var(--muted);
}

/* ===== BOTTOM SECTION ===== */
.bottom-section { background: var(--light); }
.bottom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.bottom-card {
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

/* Resource */
.resource-card { background: #fff; border: 2px solid #ffe0e0; }
.yt-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .75rem;
  letter-spacing: 1.5px;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 12px;
}
.yt-icon { font-size: 1.5rem; color: #ff0000; }
.yt-channel {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.yt-handle {
  display: inline-block;
  background: rgba(26,79,196,.1);
  color: var(--blue);
  font-weight: 600;
  font-size: .82rem;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.yt-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--sky);
  font-weight: 500;
  margin-bottom: 14px;
}
.yt-link:hover { text-decoration: underline; }
.yt-cta {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Contact */
.contact-card { background: linear-gradient(135deg, var(--navy), #1a3a9e); }
.contact-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .75rem;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,.6);
  font-weight: 700;
  margin-bottom: 20px;
}
.contact-header i { color: var(--gold); font-size: 1.1rem; }
.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .9rem;
  color: rgba(255,255,255,.85);
}
.contact-list li i {
  color: var(--gold);
  width: 18px;
  text-align: center;
  font-size: 1rem;
}
.contact-list a { color: rgba(255,255,255,.9); }
.contact-list a:hover { color: var(--gold); }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  border-top: 3px solid var(--gold);
  padding: 22px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}
.footer-left i, .footer-right i {
  font-size: 1.5rem;
  color: var(--gold);
}
.footer-text {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .5px;
  line-height: 1.8;
}
.footer-highlight {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
}
.footer-highlight span { color: var(--gold); }

/* ===== CARD HEADERS (shared) ===== */
.card-header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .5px;
  color: #fff;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .hero-deco-left, .hero-deco-right { display: none; }
  .target-card { flex-direction: column; text-align: center; padding: 18px; }
  .target-card img:last-child { display: none; }
  .three-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr 1fr; }
  .bottom-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 8px; }
  .footer-left, .footer-right { display: none; }
}

@media (max-width: 480px) {
  .awards-grid { grid-template-columns: 1fr; }
  .info-grid { gap: 6px; }
  .info-item { min-width: 100px; padding: 8px 10px; }
}



/* ===== REGISTRATION ===== */

.register-now-section{
    padding:70px 20px;
    background:linear-gradient(135deg,#0a1d4f,#1a3a9e);
    text-align:center;
}

.register-now-box{
    max-width:850px;
    margin:auto;
}

.register-now-box h2{
    color:#fff;
    font-size:42px;
    font-weight:900;
    margin-bottom:15px;
    font-family:'Poppins',sans-serif;
}

.register-now-box p{
    color:rgba(255,255,255,.85);
    font-size:18px;
    margin-bottom:35px;
}

.mega-register-btn{
    display:inline-block;
    padding:24px 70px;
    font-size:28px;
    font-weight:900;
    letter-spacing:1px;
    color:#fff;
    background:linear-gradient(90deg,#ff6b00,#ffb400);
    border-radius:100px;
    box-shadow:0 15px 40px rgba(255,140,0,.45);
    transition:.3s;
    animation:pulseGlow 2s infinite;
}

.mega-register-btn:hover{
    transform:translateY(-5px) scale(1.05);
}

.register-info{
    margin-top:25px;
    color:#fff;
    font-size:16px;
}

@keyframes pulseGlow{
    0%{
        transform:scale(1);
        box-shadow:0 0 0 rgba(255,180,0,.5);
    }
    50%{
        transform:scale(1.04);
        box-shadow:0 0 40px rgba(255,180,0,.8);
    }
    100%{
        transform:scale(1);
        box-shadow:0 0 0 rgba(255,180,0,.5);
    }
}

.register-now-box{
    display:flex;
    flex-direction:column;
    align-items:center;
}