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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #ffffff;
  color: #111827;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  width: 100%;
  display: block;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.section {
  padding: 80px 0;
}

/* Tiranga Colors */
:root {
  --saffron: #ff9933;
  --saffron-dark: #e87500;
  --white: #ffffff;
  --green: #138808;
  --green-dark: #0b5d06;
  --navy: #000080;
  --light-bg: #fffaf2;
  --soft-green: #edfbea;
  --soft-saffron: #fff0dc;
}

/* Header */

.header {
  background: white;
  color: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 18px rgba(0, 0, 128, 0.15);
  border-top: 6px solid var(--saffron);
  border-bottom: 6px solid var(--green);
}

.navbar {
  width: 90%;
  max-width: 1250px;
  margin: auto;
  min-height: 75px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}

.logo span {
  color: var(--saffron-dark);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--navy);
  font-weight: 700;
  font-size: 15px;
  transition: 0.3s;
}

.nav-links a:hover {
  color: var(--saffron-dark);
}

/* Hero */

.hero {
  min-height: 90vh;
  position: relative;
  color: var(--navy);
  display: flex;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background:
    linear-gradient(135deg,
      rgba(255, 153, 51, 0.95) 0%,
      rgba(255, 196, 117, 0.88) 28%,
      rgba(255, 255, 255, 0.96) 45%,
      rgba(255, 255, 255, 0.96) 56%,
      rgba(130, 207, 124, 0.88) 75%,
      rgba(19, 136, 8, 0.95) 100%
    );
}

.tiranga-wave {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 153, 51, 0.6), transparent 35%),
    radial-gradient(circle at bottom right, rgba(19, 136, 8, 0.55), transparent 35%),
    linear-gradient(160deg, transparent 0%, transparent 38%, rgba(255,255,255,0.7) 39%, rgba(255,255,255,0.7) 58%, transparent 59%);
  opacity: 0.95;
}

.hero::before {
  content: "";
  position: absolute;
  width: 750px;
  height: 750px;
  background: rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  top: -250px;
  right: -180px;
}

.hero::after {
  content: "";
  position: absolute;
  width: 650px;
  height: 650px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  bottom: -260px;
  left: -190px;
}

.chakra-watermark {
  position: absolute;
  width: 310px;
  height: 310px;
  border: 7px solid rgba(0, 0, 128, 0.12);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.35;
}

.chakra-watermark::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from 0deg,
    rgba(0, 0, 128, 0.35) 0deg 4deg,
    transparent 4deg 15deg
  );
}

.chakra-watermark::after {
  content: "";
  position: absolute;
  width: 55px;
  height: 55px;
  background: rgba(0, 0, 128, 0.25);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.hero-content {
  width: 90%;
  max-width: 1050px;
  margin: auto;
  position: relative;
  z-index: 3;
}

.presented {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 16px;
  margin-bottom: 15px;
  color: var(--navy);
  font-weight: 800;
}

.hero h1 {
  font-size: 76px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--navy);
  text-shadow: 3px 3px 0 rgba(255, 255, 255, 0.85);
}

.hero h2 {
  font-size: 48px;
  color: var(--saffron-dark);
  margin: 15px 0;
}

.tagline {
  font-size: 26px;
  font-style: italic;
  margin-bottom: 25px;
  color: #073b09;
  font-weight: 700;
}

.event-info {
  background: rgba(255, 255, 255, 0.82);
  border: 2px solid rgba(0, 0, 128, 0.15);
  display: inline-block;
  padding: 20px 35px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 128, 0.12);
  margin-bottom: 30px;
}

.event-info p {
  font-size: 18px;
  margin: 5px 0;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 40px;
  font-weight: bold;
  transition: 0.3s;
}

.saffron-btn {
  background: var(--saffron);
  color: white;
  box-shadow: 0 8px 18px rgba(255, 153, 51, 0.35);
}

.saffron-btn:hover {
  background: var(--saffron-dark);
  transform: translateY(-3px);
}

.green-btn {
  background: var(--green);
  color: white;
  box-shadow: 0 8px 18px rgba(19, 136, 8, 0.3);
}

.green-btn:hover {
  background: var(--green-dark);
  transform: translateY(-3px);
}

/* Intro */

.intro {
  background:
    linear-gradient(90deg, rgba(255,153,51,0.14), rgba(255,255,255,1), rgba(19,136,8,0.14));
  text-align: center;
}

.intro h2 {
  font-size: 38px;
  color: var(--navy);
  margin-bottom: 20px;
}

.intro p {
  max-width: 850px;
  margin: auto;
  font-size: 19px;
}

/* Section Titles */

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title p {
  color: var(--green);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title h2 {
  font-size: 44px;
  color: var(--navy);
}

/* Kavis */

.kavis {
  background: var(--light-bg);
}

.kavi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
}

.kavi-card {
  background: white;
  padding: 30px;
  text-align: center;
  border-radius: 25px;
  box-shadow: 0 10px 28px rgba(0, 0, 128, 0.1);
  transition: 0.3s;
  border-top: 7px solid var(--saffron);
  border-bottom: 7px solid var(--green);
}

.kavi-card:hover {
  transform: translateY(-8px);
}

.featured-card {
  background:
    linear-gradient(180deg, #fff4e8, #ffffff 45%, #effdec);
}

.kavi-img {
  width: 190px;
  height: 190px;
  margin: 0 auto 25px;
  border-radius: 50%;
  overflow: hidden;
  border: 8px solid white;
  outline: 4px solid var(--navy);
  box-shadow: 0 8px 22px rgba(0, 0, 128, 0.18);
  background: #ddd;
}

.kavi-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kavi-card h3 {
  font-size: 28px;
  color: var(--navy);
}

.kavi-title {
  color: var(--saffron-dark);
  font-weight: bold;
  font-style: italic;
  margin: 8px 0 15px;
}

.small-btn {
  display: inline-block;
  margin-top: 20px;
  background: var(--navy);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: bold;
  transition: 0.3s;
}

.small-btn:hover {
  background: var(--green);
}

/* Schedule */

.schedule {
  background:
    linear-gradient(135deg, rgba(255,153,51,0.15), rgba(255,255,255,0.95), rgba(19,136,8,0.15));
}

.schedule-box {
  max-width: 850px;
  margin: auto;
  background: white;
  border-radius: 28px;
  padding: 35px;
  box-shadow: 0 12px 30px rgba(0, 0, 128, 0.12);
  border-left: 10px solid var(--saffron);
  border-right: 10px solid var(--green);
}

.schedule-item {
  padding: 25px;
  border-bottom: 1px solid #d9e0ff;
}

.schedule-item:last-child {
  border-bottom: none;
}

.time {
  display: inline-block;
  background: var(--green);
  color: white;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: bold;
  margin-bottom: 10px;
}

.schedule-item h3 {
  font-size: 26px;
  color: var(--navy);
}

/* Tickets */

.tickets {
  background: white;
}

.ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 35px;
}

.ticket-card {
  background:
    linear-gradient(180deg, #fff4e8, #ffffff);
  padding: 40px;
  border-radius: 25px;
  box-shadow: 0 10px 28px rgba(0, 0, 128, 0.1);
  border-top: 8px solid var(--saffron);
}

.sponsor-card {
  background:
    linear-gradient(180deg, #effdec, #ffffff);
  border-top: 8px solid var(--green);
}

.ticket-card h3 {
  font-size: 30px;
  color: var(--navy);
  margin-bottom: 20px;
}

.ticket-card ul {
  list-style: none;
  margin-bottom: 30px;
}

.ticket-card li {
  padding: 12px 0;
  border-bottom: 1px solid #dce3ff;
  font-size: 18px;
}

/* Videos */

.videos {
  background:
    linear-gradient(135deg,
      var(--saffron) 0%,
      #ffffff 48%,
      var(--green) 100%
    );
  color: var(--navy);
  position: relative;
}

.videos::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.42);
}

.videos .container {
  position: relative;
  z-index: 2;
}

.light-title h2 {
  color: var(--navy);
}

.light-title p {
  color: var(--green-dark);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.video-card {
  background: white;
  color: #111827;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0, 0, 128, 0.18);
}

.video-placeholder {
  height: 210px;
  background:
    linear-gradient(135deg, var(--saffron), white, var(--green));
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  border-bottom: 5px solid var(--navy);
}

.video-card h3 {
  padding: 20px 20px 5px;
  color: var(--navy);
}

.video-card p {
  padding: 0 20px 25px;
}

/* Blog */

.blog {
  background: var(--light-bg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.blog-card {
  background: white;
  padding: 30px;
  border-radius: 22px;
  box-shadow: 0 10px 25px rgba(0, 0, 128, 0.1);
  border-top: 6px solid var(--saffron);
  border-bottom: 6px solid var(--green);
}

.blog-card h3 {
  color: var(--navy);
  font-size: 24px;
  margin-bottom: 15px;
}

.blog-card a {
  display: inline-block;
  margin-top: 18px;
  color: var(--green);
  font-weight: bold;
}

/* Venue */

.venue {
  background: white;
}

.venue-box {
  background:
    linear-gradient(135deg, var(--saffron), white 45%, var(--green));
  color: var(--navy);
  padding: 45px;
  border-radius: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  border: 3px solid rgba(0, 0, 128, 0.18);
  box-shadow: 0 12px 30px rgba(0, 0, 128, 0.12);
}

.venue-box h2 {
  font-size: 36px;
  color: var(--navy);
}

.mini-heading {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: bold;
  color: var(--green-dark);
}

/* Contact */

.contact {
  background:
    linear-gradient(90deg, rgba(255,153,51,0.13), rgba(255,255,255,1), rgba(19,136,8,0.13));
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.contact-card {
  background: white;
  padding: 35px;
  border-radius: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 128, 0.1);
  border-top: 7px solid var(--saffron);
  border-bottom: 7px solid var(--green);
}

.contact-card h3 {
  color: var(--navy);
  font-size: 28px;
  margin-bottom: 20px;
}

.contact-card p {
  font-size: 18px;
  margin-bottom: 12px;
}

/* Footer */

.footer {
  background: var(--navy);
  color: white;
  text-align: center;
  padding: 30px 20px;
  border-top: 6px solid var(--saffron);
  border-bottom: 6px solid var(--green);
}

.footer p {
  margin: 5px 0;
}

/* Responsive Design */

@media (max-width: 950px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero h2 {
    font-size: 36px;
  }

  .tagline {
    font-size: 22px;
  }

  .kavi-grid,
  .ticket-grid,
  .video-grid,
  .blog-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .venue-box {
    flex-direction: column;
    text-align: center;
  }

  .chakra-watermark {
    width: 230px;
    height: 230px;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 55px 0;
  }

  .hero {
    min-height: 85vh;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero h2 {
    font-size: 30px;
  }

  .presented {
    font-size: 13px;
  }

  .event-info {
    padding: 18px;
  }

  .event-info p {
    font-size: 15px;
  }

  .section-title h2 {
    font-size: 34px;
  }

  .intro h2 {
    font-size: 30px;
  }

  .ticket-card,
  .contact-card,
  .schedule-box {
    padding: 25px;
  }

  .kavi-img {
    width: 160px;
    height: 160px;
  }
}