* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #f5f7fa;
  color: #223f6b;
}

a {
  text-decoration: none;
}

.site-header {
  width: 100%;
  background: #f5f7fa;
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar {
  max-width: 85rem;
  margin: 0 auto;
  padding: 1.4rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo img {
  width: 11rem;
  display: block;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: #223f6b;
  font-size: 1.2rem;
  font-weight: 700;
}

.nav-links a:hover {
  color: #1f80ea;
  transform: translateY(-3px);
}

.nav-dropdown {
  position: relative;
}

.nav-link-btn {
  border: none;
  background: transparent;
  color: #223f6b;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.nav-link-btn:hover {
  color: #1f80ea;
  transform: translateY(-3px);
}

.nav-link-btn i {
  font-size: 0.8rem;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: 0;
  min-width: 13rem;
  background: #ffffff;
  border-radius: 0.85rem;
  box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.1);
  padding: 0.6rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 100;
}

.dropdown-menu.show {
  display: flex;
}

.dropdown-menu a {
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  color: #223f6b;
  font-size: 0.98rem;
  font-weight: 700;
}

.dropdown-menu a:hover {
  /* background: #eef5ff; */
  color: #1f80ea;
}

.nav-buttons {
  display: flex;
  align-items: center;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  font-weight: 600;
  transition: 0.2s ease;
  cursor: pointer;
}

.primary-btn {
  background: #223f6b;
  color: #ffffff;
  border: none;
}

.primary-btn:hover {
   background-color: #1f80ea;
    transform: translateY(-3px);
}

.secondary-btn {
  background: transparent;
  color: #223f6b;
  border: 0.12rem solid #1f80ea;
}

.secondary-btn:hover {
  background: #1f80ea;
  transform: translateY(-3px);
}

.nav-signup-btn {
  min-width: 10rem;
  padding: 0.7rem 1.7rem;
  font-size: 1.05rem;
}

.hero {
  max-width: 85rem;
  margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.hero-text .title {
  font-size: 4rem;
  line-height: 1;
  font-weight: 700;
  color: #1f3a5f;
}

.hero-text .title-large {
  font-size: 4rem;
  line-height: 1;
  font-weight: 700;
  margin: 0.4rem 0;
}

.title .title-large {
  margin-top: -80px;
}

.orange {
  color: #ffb347;
}

.green {
  color: #2e8b57;
}

.description {
  max-width: 37rem;
  font-size: 1.2rem;
  line-height: 1.7;
  color: #6c7c95;
  margin-top: 1.2rem;
}

.hero-buttons {
  display: flex;
  gap: 1.4rem;
  margin-top: 1rem;
}

.hero-buttons .primary-btn,
.hero-buttons .secondary-btn {
  min-width: 10rem;
  padding: 0.5rem 0.5rem;
  font-size: 1.2rem;
}

.hero-image img {
  margin-top: -30px;
  width: 600px;
  object-fit: cover;
  display: block;
  border-top-left-radius: 50px;
  border-bottom-right-radius: 50px;
  box-shadow:0 10px 30px rgba(0,0,0,0.1);
  
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  font-size: 3.5rem;
  font-weight: 800;
  color: #222;
}

.how-it-works {
  max-width: 85rem;
  margin: 0 auto;
  padding: 2rem 2rem 5rem;
}

.how-it-works-card-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.3rem;
}

.how-it-works-card {
  background: #ffffff;
  border: 0.18rem solid #223f6b;
  border-radius: 1.3rem;
  padding: 2rem 1.6rem;
  text-align: center;
  min-height: 24rem;
}

.card-icon1 img {
  width: 5rem;
  margin-bottom: 1rem;
}

.how-it-works-card h4 {
  font-size: 1.9rem;
  color: #223f6b;
  margin-bottom: 1rem;
}

.how-it-works-card p {
  font-size: 1.35rem;
  line-height: 1.7;
  color: #6c7c95;
}

.benefits {
  max-width: 85rem;
  margin: 0 auto;
  padding: 1rem 2rem 5rem;
}

.benefits-title {
  text-align: left;
}

.benefits-card-container {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.benefits-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.benefit-text {
  flex: 1;
}

.benefits-card h5 {
  font-size: 2.6rem;
  color: #223f6b;
  margin-bottom: 0.8rem;
}

.benefits-card p {
  max-width: 50rem;
  font-size: 1.55rem;
  line-height: 1.6;
  color: #6c7c95;
}

.card-icon img {
  width: 5.4rem;
  flex-shrink: 0;
}

.line {
  margin-top: 1.8rem;
  border: none;
  height: 0.12rem;
  background: #1f80ea;
}

.start-event {
  max-width: 85rem;
  margin: 0 auto;
  padding: 2rem 2rem 5rem;
}

.start-event-content {
  text-align: center;
}

.start-event-title h3 {
  font-size: 3.4rem;
  color: #111;
  margin-bottom: 2rem;
  font-weight: 800;
}

.start-event-content p {
  max-width: 58rem;
  margin: 0 auto 2rem;
  font-size: 1.9rem;
  line-height: 1.6;
  color: #222;
}

.cta-btn {
  min-width: 10rem;
  padding: 0.7rem 1.7rem;
  font-size: 1.2rem;
}

.footer {
  background: #223f6b;
  color: #ffffff;
  margin-top: 2rem;
}

.footer-container {
  max-width: 85rem;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-logo-text {
  font-size: 2.2rem;
  margin-bottom: 0.7rem;
}

.tagline,
.help-text,
.copyright {
  color: #dbe4ef;
}

.footer-col h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  color: #dbe4ef;
  font-size: 1.2rem;
}

.footer-col a:hover {
  color: #ffffff;
}

.social-icons {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.social-icons img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.copyright {
  margin-top: 3rem;
  font-size: 0.95rem;
}

@media (max-width: 68rem) {
  .hero {
    grid-template-columns: 1fr;
  }

  .how-it-works-card-container {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
  }

  .hero-text .title,
  .hero-text .title-large {
    font-size: 3rem;
  }

  .description,
  .benefits-card p,
  .start-event-content p {
    font-size: 1.2rem;
  }

  .benefits-card h5 {
    font-size: 2rem;
  }
}

@media (max-width: 48rem) {
  .navbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .how-it-works,
  .benefits,
  .start-event {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .primary-btn,
  .hero-buttons .secondary-btn,
  .cta-btn {
    width: 100%;
  }

  .section-title h2 {
    font-size: 2.5rem;
  }

  .start-event-title h3 {
    font-size: 2.3rem;
  }
}