@charset "utf-8";

/* Green chemistry page */

.green-page-wrap {

}

.green-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2% 60px;
}

/* Sub navigation */
.green-subnav {
  background: #eef1f4;
  border-bottom: 1px solid #e0e4e8;
}

.green-subnav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.green-subnav-links {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.green-subnav-links li a {
  display: block;
  padding: 16px 24px;
  font-size: 16px;
  color: #333;
  text-decoration: none;
  transition: color 0.3s;
}

.green-subnav-links li a:hover,
.green-subnav-links li.active a {
  color: #2d8a4e;
  font-weight: 600;
}

.green-subnav-links li.active a {
  border-bottom: 3px solid #2d8a4e;
  margin-bottom: -1px;
}

.green-breadcrumb {

  color: #888;
  white-space: nowrap;
}

.green-breadcrumb a {
  color: #666;
  text-decoration: none;
}

.green-breadcrumb a:hover {
  color: #2d8a4e;
}

.green-breadcrumb span {
  margin: 0 6px;
  color: #ccc;
}

/* Hero */
.green-hero {
  padding: 52px 0 36px;
  text-align: center;
}

.green-hero h1 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: #222;
  margin: 0 0 32px;
}

.green-ecovadis h2 {
  font-size: 20px;
  font-weight: 700;
  color: #222;
  margin: 0 0 16px;
  text-align: left;
}

.green-ecovadis-intro {
  font-size: 16px;
  line-height: 1.85;
  color: #555;
  margin: 0 0 8px;
  text-align: left;
}

.green-ecovadis-intro span {
  display: block;
  margin-top: 4px;
}

/* Four pillars row */
.green-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 28px 0 24px;
}

.green-pillar {
  background: #eceef1;
  border-radius: 8px;
  padding: 26px 18px;
  text-align: center;
  border: 2px solid transparent;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.35s, box-shadow 0.35s;
}

.green-pillar.visible {
  opacity: 1;
  transform: translateY(0);
}

.green-pillar:hover {
  border-color: #2d8a4e;
  box-shadow: 0 8px 24px rgba(45, 138, 78, 0.15);
  transform: translateY(-4px);
}

.green-pillar.visible:hover {
  transform: translateY(-4px);
}

.green-pillar b {
  margin: 0 0 12px;
  font-size:20px;
  font-weight: 700;
  color: #222;
  line-height:30px;
}

.green-pillar p {
  margin: 0;
  font-size: 16px;
  line-height:22px;
  color: #555;
}

.green-closing {
  font-size: 16px;
  line-height: 1.85;
  color: #555;
  text-align: left;
  margin: 0;
}

/* 12 Principles section */
.green-principles-section {
  margin: 0;
  padding: 56px 2% 72px;
  background: linear-gradient(180deg, #e8eef3 0%, #dfe8ef 100%);
  position: relative;
  overflow: hidden;
}

.green-principles-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23b0c4d4' stroke-width='1' opacity='0.35'%3E%3Cpolygon points='60,10 95,30 95,70 60,90 25,70 25,30'/%3E%3Ccircle cx='60' cy='50' r='8'/%3E%3Cline x1='60' y1='10' x2='60' y2='90'/%3E%3Cline x1='25' y1='30' x2='95' y2='70'/%3E%3Cline x1='95' y1='30' x2='25' y2='70'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 180px 180px;
  opacity: 0.5;
  pointer-events: none;
}

.green-principles-inner {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.green-principles-title {
  text-align: center;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: #222;
  margin: 0 0 36px;
}

.green-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

/* Principle flip card */
.green-principle-flip {
  perspective: 900px;
  height:330px;
  cursor: pointer;
}

.green-principle-inner {
  display: grid;
  transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.green-principle-flip:hover .green-principle-inner,
.green-principle-flip.is-flipped .green-principle-inner {
  transform: rotateY(180deg);
}

.green-principle-face {
  grid-area: 1 / 1;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 10px;
  padding: 22px 18px 24px;
  box-sizing: border-box;
  min-height: 200px;
}

.green-principle-front {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  z-index: 2;
}

.green-principle-back {
  background: linear-gradient(145deg, #5ca339 0%, #69c03e 50%, #5ca339 100%);
  transform: rotateY(180deg);
  box-shadow: 0 8px 28px rgba(45, 138, 78, 0.3);
}

.green-principle-flip.featured .green-principle-front {
  background: linear-gradient(#5ca339, #69c03e 0%, #5ca339 100%);
  box-shadow: 0 6px 20px rgba(45, 138, 78, 0.25);
}

.green-principle-flip.featured .green-principle-front b,
.green-principle-flip.featured .green-principle-front p {
  color: #fff;
}

.green-principle-num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #2d8a4e;
  background: rgba(45, 138, 78, 0.12);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}

.green-principle-flip.featured .green-principle-num {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

.green-principle-back .green-principle-num {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

.green-principle-face b {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: #222;
  line-height: 20px;
}

.green-principle-back b {
  color: #fff;
}

.green-principle-face p {
  margin: 0;
  font-size: 16px;
  line-height: 22px;
  color: #666;    padding-top: 10px;
}

.green-principle-back p {
  color: rgba(255, 255, 255, 0.92);
}

.green-principle-item {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.green-principle-item.visible {
  opacity: 1;
  transform: scale(1);
}

/* Responsive */
@media (max-width: 1100px) {
  .green-pillars {
    grid-template-columns: repeat(2, 1fr);
  }

  .green-principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .green-subnav-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 4%;
  }

  .green-container {
    padding: 0 4% 48px;
  }
  
  .green-principle-flip {
  perspective: 900px;
  height:auto;
  cursor: pointer;
}
}

@media (max-width: 520px) {
  .green-pillars,
  .green-principles-grid {
    grid-template-columns: 1fr;
  }
}