/* =================================================
   BANDHAN AGRITECH – EVENT LANDING PAGE
   International Standard • Brand Matched • CLEAN
   ================================================= */

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

/* ================= ROOT VARIABLES ================= */
:root {
  /* Font */
  --font-main: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, sans-serif;

  /* Brand Colors */
  --green-main: #0bb15d;
  --green-dark: #067a41;
  --orange-main: #f7931e;
  --black-main: #0b0b0b;
  --bg-light: #f9fbfa;
  --text-dark: #1f2937;
  --text-muted: #6b7280;
}

/* ================= BODY ================= */
body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: #ffffff;
  line-height: 1.65;
  font-size: 16px;
}

/* ================= HEADINGS ================= */
h1 {
  font-weight: 700;
}
h2 {
  font-weight: 600;
}
h3 {
  font-weight: 500;
}

/* ================= CONTAINER ================= */
.container {
  max-width: 1180px;
  margin: auto;
  padding: 0 20px;
}

/* ================= HEADER ================= */
.header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo {
  height: 64px;
  width: auto;
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-family: var(--font-main);
  font-weight: 600;
  letter-spacing: 0.3px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn.primary {
  background: var(--green-main);
  color: #ffffff;
}

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

.btn.secondary {
  background: var(--orange-main);
  color: #ffffff;
}

.btn.secondary:hover {
  opacity: 0.9;
}

/* ================= HERO ================= */
/* ================= HERO ================= */
.hero {
  background:
    linear-gradient(
      rgba(11, 11, 11, 0.65),
      rgba(11, 11, 11, 0.65)
    ),
    url("../images/hero-banner.jpg") center / cover no-repeat;
  color: #ffffff;
  padding-bottom: 100px;
}

/* LARGE HERO IMAGE */
.hero-banner {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 80px;
}

.hero-banner img {
  width: 100%;
  max-width: 900px;     /* BIG IMAGE */
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.65));
}

/* HERO CONTENT BELOW IMAGE */
.hero-content {
  text-align: center;
  margin-top: 60px;
}

.hero-content h1 {
  font-size: 46px;
  font-weight: 700;
  margin-bottom: 16px;
}

.subtitle {
  font-size: 18px;
  opacity: 0.9;
  max-width: 620px;
  margin: 0 auto;
}

/* EVENT DATES CENTERED */
.event-dates {
  justify-content: center;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {

  .hero-banner {
    padding-top: 60px;
  }

  .hero-banner img {
    max-width: 100%;
  }

  .hero-content h1 {
    font-size: 30px;
  }

  .event-dates {
    flex-direction: column;
    align-items: center;
  }
}

/* ================= EVENT DATES ================= */
.event-dates {
  display: flex;
  gap: 30px;
  margin: 36px 0;
}

.event-dates div {
  background: rgba(255,255,255,0.1);
  border-left: 4px solid var(--green-main);
  padding: 16px 22px;
  border-radius: 6px;
}

.event-dates h3 {
  font-size: 20px;
  color: var(--orange-main);
}

.event-dates p {
  font-size: 14px;
  color: #e5e7eb;
}

/* ================= HERO IMAGE ================= */
.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 520px;
  width: 100%;
  filter: drop-shadow(0 35px 70px rgba(0,0,0,0.6));
}

/* ================= SECTIONS ================= */
.section {
  padding: 80px 0;
}

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

.section h2 {
  font-size: 32px;
  margin-bottom: 20px;
  color: var(--green-dark);
}

.section p {
  font-size: 16px;
  color: var(--text-muted);
}

/* ================= GRID ================= */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

/* ================= CARD ================= */
.card {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.06);
  border-top: 4px solid var(--green-main);
}

/* ================= CENTER ================= */
.center {
  text-align: center;
}

/* ================= FOOTER ================= */
.footer {
  background: var(--black-main);
  color: #9ca3af;
  text-align: center;
  padding: 22px 0;
  font-size: 14px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {

  .hero {
    min-height: auto;
    padding: 80px 0;
  }

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

  .hero-text h1 {
    font-size: 30px;
  }

  .event-dates {
    flex-direction: column;
    align-items: center;
  }

  .hero-image img {
    max-width: 380px;
    margin-top: 30px;
  }

  .logo {
    height: 54px;
  }
}