html {scroll-behavior: smooth;}
body {
  margin: 0;
  padding: 0;
  font-family: 'Lexend', sans-serif;
  color: rgb(255, 255, 255);
}
.hero-video-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  margin-top: 0;
}
.hero-video-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 250px;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(30, 60, 20, 0.5) 70%,
    rgba(25, 55, 15, 0.85) 90%,
    rgba(19, 45, 10, 0.95) 100%
  );
  z-index: 2;
  pointer-events: none;
}
.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.35);
  z-index: 0;
}
#bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  text-align: left;
  max-width: 1200px;
  margin: 0 auto;
  padding: 160px 20px 40px 20px;
}
.hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: rgb(245, 252, 233);
  margin-bottom: 10px;
  text-shadow: 0 0 5px #147623;
}
.hero-content .intro {
  font-size: clamp(1rem, 2vw, 1.2em);
  color: rgb(245, 252, 233);
  text-shadow: 0 0 10px #147623;
  margin-top: 10px;
  max-width: 800px;
}
.page-wrapper {
  background: linear-gradient(to bottom, rgb(16, 43, 8), rgba(49, 102, 31, 0.95));
}
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  background-color: #92b77c13;
  width: 100%;
  padding: 10px 0;
  backdrop-filter: blur(3px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}
.navbar-menu {
  list-style: none;
  display: flex;
  gap: 40px;
  margin: 0;
  padding: 0;
}
.navbar a {
  text-decoration: none;
  color: #cfe7c0;
  font-size: clamp(1rem, 2vw, 2em);
  font-weight: normal;
  transition: color 0.3s ease;
}
.navbar a:hover {
  color: #ffffff;
}
.navbar a.active {
  border-bottom: 2px solid #ffffff;
  position: relative;
  font-weight: normal;
  color: #ffffff;
  transition: all 0.3s ease;
}
.navbar a.active:hover {
  border-bottom-color: #ecf7ef;
}
.paper-btn {
  display: inline-block;
  padding: clamp(10px, 2vw, 15px) clamp(20px, 4vw, 35px);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: normal;
  color: rgb(245, 252, 233);
  text-shadow:
    0 0 5px #142002,
    0 0 10px #050800;
  text-decoration: none;
  text-transform: uppercase;
  border: 2px solid #334f09;
  border-radius: 10px;
  background-color: transparent;
  transition: all 0.3s ease;
}
.paper-btn:hover {
  background: rgba(119, 255, 0, 0.048);
  box-shadow: 0 0 10px #334f09;
  color: #ffffff;
}
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 6px 0;
  }
  .navbar-menu {
    flex-direction: column;
    gap: 5px;
  }
  .logout-button {
    position: static;
    transform: none;
    font-size: clamp(0.8rem, 2vw, 1em);
  }
}
@media (max-width: 480px) {
  .navbar a {
    font-size: clamp(0.8rem, 3vw, 1.5em);
  }
  .logout-button {
    font-size: clamp(0.7rem, 2.5vw, 1em);
    padding: 5px 10px;
  }
}
.methodology-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 40px 80px 40px;
  text-align: left;
  color: #fff;
}
.methodology-section h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: rgb(240, 252, 219);
  text-shadow: 0 0 2px #147623;
}
.methodology-section .intro {
  font-size: clamp(1rem, 2vw, 1.2em);
  color: #d0e1bc;
  max-width: 800px;
}
.metho-btn {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
}
.methodology-section h2 {
  justify-self: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: rgb(245, 252, 233);
  margin-bottom: 10px;
  text-shadow: 0 0 5px #147623;
}
.formula {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  justify-items: center;
  align-items: start;
  margin: 30px auto;
  max-width: 1000px;
}
.formula-item {
  text-align: center;
}
.formula-item p {
  margin-bottom: 10px;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: #f5f5f5;
  text-shadow: 0 0 5px #147623;
}
.formula-item img {
  width: 100%;
  max-width: 800px;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 2px solid #1f7a2f;
  box-shadow: 0 0 10px rgba(20, 118, 38, 0.4);
  height: 100%;
  max-height: 70px;
}
@media (max-width: 700px) {
  .formula {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .formula-item img {
    max-width: 80%;
  }
  .formula-item p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
  }
}
@media (max-width: 500px) {
  .formula {
    margin: 30px auto;
    gap: 20px;
  }
  .formula-item img {
    max-width: 90%;
    border-radius: 8px;
  }
  .formula-item p {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
    margin-bottom: 8px;
  }
}
@media (max-width: 350px) {
  .formula {
    margin: 25px auto;
    gap: 15px;
  }
  .formula-item img {
    max-width: 95%;
    border-radius: 6px;
  }
  .formula-item p {
    font-size: 0.9rem;
  }
}
.method-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 80px;
}
.method-box {
  background-color: rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  padding: 30px;
  text-align: flex-start;
  color: #f9f9f9;
  font-size: clamp(0.9rem, 2vw, 1em);
  box-shadow: 0 0 10px rgba(20, 118, 38, 0.3);
  backdrop-filter: blur(4px);
  transition: transform 0.3s ease, background-color 0.3s ease;
}
.method-box:hover {
  background-color: rgba(196, 248, 203, 0.2);
  transform: translateY(-4px);
}
.extra-sections {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-bottom: 10px;
}
.method-box.large {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  padding: 25px 30px;
}
.method-box.large i {
  font-size: 2.8rem;
  color: #f5f5f5;
  margin-bottom: 15px;
  align-self: center;
}
.method-box.large p {
  font-size: 1.1rem;
  font-weight: normal;
  color: #f5f5f5;
}
@media (max-width: 900px) {
  .method-boxes {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 600px) {
  .method-boxes {
    grid-template-columns: 1fr;
  }
}
.back-bar {
  background-color: #194b0a;
}
.footer-container {
  background-color: #194b0a;
  backdrop-filter: blur(10px);
}