.category-fours-container {
  max-width: 1450px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

@property --gradient-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.category-fours-hero {
  display: grid;
  grid-template-columns: 45% 50%;
  place-items: center;
  gap: 50px;
  background: #122538;
  background: radial-gradient(circle, #122538 3%, #000 60%);
  overflow: hidden;
  padding: 130px 20px;
  margin-bottom: 60px;
  border-radius: 10px;
  color: #fff;
}

.category-fours-hero-description {
  color: #fff;
  padding: 0 50px;
}

.category-fours-hero-title {
  line-height: 1.1;
  margin-bottom: 30px;
  color: #fff;
  font-size: 50px;
}

.category-fours-gradient-text {
  color: #fff;
}

.category-fours-hero-paragraph {
  line-height: 1.5;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.category-fours-hero-form {
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
}

#fours-email-id {
  padding-inline-end: 10px;
  padding-inline-start: 10px;
  background-color: transparent;
  outline: transparent;
  border: 0;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
  margin-right: 10px;
  transition: all 0.3s ease-in;
  -webkit-transition: all 0.3s ease-in;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  flex: 1;
  min-width: 200px;
}

#fours-email-id::placeholder {
  color: #122538;
  opacity: 0.5;
  font-weight: 500;
}

#fours-email-id:focus {
  border: transparent;
  outline: 2px dotted #122538;
  outline-offset: -3px;
}

.category-fours-hero-btn {
  position: relative;
  display: inline-block;
  padding: 25px 30px;
  margin: 40px 0;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  transition: 0.5s;
  letter-spacing: 4px;
  overflow: hidden;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.category-fours-hero-btn:hover {
  background: #fff;
  color: #122538;
  box-shadow: 0 0 5px #fff, 0 0 25px #fff, 0 0 50px #fff, 0 0 200px #fff;
  -webkit-box-reflect: below 1px linear-gradient(transparent, rgba(0, 0, 0, 0.3));
}

.category-fours-hero-btn span {
  position: absolute;
  display: block;
}

.category-fours-hero-btn span:nth-child(1) {
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #fff);
  animation: fours-animate1 1s linear infinite;
}

@keyframes fours-animate1 {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.category-fours-hero-btn span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, #fff);
  animation: fours-animate2 1s linear infinite;
  animation-delay: 0.25s;
}

@keyframes fours-animate2 {
  0% { top: -100%; }
  50%, 100% { top: 100%; }
}

.category-fours-hero-btn span:nth-child(3) {
  bottom: 0;
  right: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, #fff);
  animation: fours-animate3 1s linear infinite;
  animation-delay: 0.5s;
}

@keyframes fours-animate3 {
  0% { right: -100%; }
  50%, 100% { right: 100%; }
}

.category-fours-hero-btn span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, #fff);
  animation: fours-animate4 1s linear infinite;
  animation-delay: 0.75s;
}

@keyframes fours-animate4 {
  0% { bottom: -100%; }
  50%, 100% { bottom: 100%; }
}

.category-fours-hero-gallery {
  display: flex;
  justify-content: center;
  align-items: center;
}

.category-fours-hero-image {
  width: 100%;
  max-width: 520px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  object-fit: cover;
}

@keyframes fours-fadeIn {
  0% { opacity: 0; transform: scale(0); }
  100% { opacity: 1; transform: scale(1); }
}

.category-fours-intro,
.category-fours-technical,
.category-fours-installation,
.category-fours-care,
.category-fours-related,
.category-fours-additional,
.category-fours-colors,
.category-fours-advantages {
  margin-bottom: 60px;
}

.category-fours-section-title {
  margin-bottom: 30px;
  color: #122538;
  text-align: center;
  position: relative;
  padding-bottom: 15px;
}

.category-fours-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: #122538;
}

.category-fours-text {
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
  color: #000;
}

@keyframes fours-wave {
  0% { background-position: 0; }
  100% { background-position: 1440px; }
}

.category-fours-features {
  width: 100%;
  max-width: 1450px;
  padding: 23px;
  display: grid;
  grid-template-columns: repeat(3, 350px);
  grid-auto-rows: 350px;
  grid-gap: 23px;
  justify-content: center;
  align-content: center;
  margin-bottom: 60px;
}

.category-fours-card-top,
.category-fours-card-right,
.category-fours-card-left {
  display: flex;
  height: 350px;
  width: 350px;
  border-radius: 50%;
  box-shadow: 0px 2px 4px rgba(0, 10, 20, 0.1);
  background: white;
  overflow: hidden;
  transform: rotate(0deg);
}

.category-fours-card-left.category-fours-card-animated,
.category-fours-card-top.category-fours-card-animated,
.category-fours-card-right.category-fours-card-animated {
  animation: fours-card-spin 1s ease-out forwards;
}

.category-fours-card-left.category-fours-card-animated {
  animation-delay: 0.1s;
}

.category-fours-card-top.category-fours-card-animated {
  animation-delay: 0.3s;
}

.category-fours-card-right.category-fours-card-animated {
  animation-delay: 0.5s;
}

@keyframes fours-card-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.category-fours-card-top {
  flex-direction: column;
}

.category-fours-card-right {
  flex-direction: row-reverse;
}

.category-fours-card-left {
  flex-direction: row;
}

.category-fours-card-image {
  display: flex;
  width: 50%;
  height: 50%;
}

.category-fours-card-left .category-fours-card-image,
.category-fours-card-right .category-fours-card-image {
  width: 50%;
  height: 100%;
}

.category-fours-card-top .category-fours-card-image {
  width: 100%;
  height: 50%;
}

.category-fours-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.category-fours-card-text {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50%;
  height: 50%;
  background: white;
  padding: 25px;
}

.category-fours-card-left .category-fours-card-text,
.category-fours-card-right .category-fours-card-text {
  width: 50%;
  height: 100%;
  padding: 10px;
}

.category-fours-card-top .category-fours-card-text {
  width: 100%;
  height: 50%;
  padding: 65px;
}

.category-fours-card-text p {
  margin: 0;
  line-height: 1.5;
  color: #122538;
  text-align: center;
  width: 100%;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.category-fours-types {
  margin-bottom: 150px;
}

.category-fours-types .category-fours-section-title {
  margin-bottom: 110px;
}

@import url('https://fonts.googleapis.com/css?family=Montserrat:400,700');

.category-fours-honeycomb {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  justify-items: center;
  align-items: center;
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  row-gap: 28px;
  column-gap: 20px;
}

.category-fours-honeycomb-cell {
  width: 280px;
  height: 218px;
  margin: 0;
  position: relative;
  padding: 0;
  text-align: center;
  z-index: 1;
}

.category-fours-honeycomb-cell-title {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  hyphens: auto;
  word-break: break-word;
  text-transform: uppercase;
  color: #fff;
  font-weight: 700;
  transition: opacity 350ms;
}

.category-fours-honeycomb-cell-title > small {
  font-weight: 300;
  margin-top: 0.25em;
}

.category-fours-honeycomb-cell-image {
  object-fit: cover;
  object-position: center;
}

.category-fours-honeycomb-cell::before,
.category-fours-honeycomb-cell::after {
  content: '';
}

.category-fours-honeycomb-cell::before,
.category-fours-honeycomb-cell::after,
.category-fours-honeycomb-cell-image {
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  display: block;
  position: absolute;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  z-index: -1;
}

.category-fours-honeycomb-cell::before {
  background: #fff;
  transform: scale(1.055);
}

.category-fours-honeycomb-cell::after {
  background: #122538;
  opacity: 0.5;
  transition: opacity 350ms;
}

.category-fours-honeycomb-cell:hover .category-fours-honeycomb-cell-title {
  opacity: 0;
}

.category-fours-honeycomb-cell:hover::before {
  background: #122538;
}

.category-fours-honeycomb-cell:hover::after {
  opacity: 0;
}

.category-fours-honeycomb-cell:nth-child(1),
.category-fours-honeycomb-cell:nth-child(4) {
  grid-column: 1;
}

.category-fours-honeycomb-cell:nth-child(2),
.category-fours-honeycomb-cell:nth-child(5) {
  grid-column: 3;
}

.category-fours-honeycomb-cell:nth-child(3) {
  grid-column: 2;
}

.category-fours-colors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.category-fours-color-item {
  text-align: center;
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.category-fours-color-item:hover {
  transform: scale(1.05);
}

.category-fours-color-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.category-fours-color-name {
  font-weight: bold;
  color: #122538;
}

.category-fours-applications {
  margin-bottom: 60px;
  margin-top: 230px;
}

.category-fours-applications-wrapper {
  width: 100%;
  max-width: 1450px;
  height: 400px;
  margin: 40px auto 0;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  display: flex;
  align-items: center;
  justify-content: left;
  overflow: hidden;
}

.category-fours-applications-left {
  height: 70%;
  width: 25%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-fours-applications-left ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.category-fours-applications-left ul li {
  padding-top: 10px;
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  line-height: 34px;
  color: rgba(0, 0, 0, 0.5);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease-out;
}

.category-fours-applications-left ul li:hover {
  color: rgba(0, 0, 0, 1);
  transition: all 0.2s ease-out;
}

.category-fours-applications-left ul li.category-fours-active {
  color: rgba(0, 0, 0, 1);
}

.category-fours-icon {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  transition: all 0.2s ease-out;
  opacity: 0.5;
}

.category-fours-icon i {
  font-size: 32px;
  color: #122538;
  transition: all 0.2s ease-out;
}

.category-fours-icon.category-fours-active {
  opacity: 1;
}

.category-fours-icon.category-fours-active i {
  color: #122538;
}

.category-fours-icon.category-fours-big {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  opacity: 1;
}

.category-fours-icon.category-fours-big i {
  font-size: 64px;
  color: #122538;
}

.category-fours-applications-border {
  height: 288px;
  width: 1px;
  background-color: rgba(0, 0, 0, 0.2);
}

.category-fours-line {
  width: 5px;
  height: 54px;
  background-color: #122538;
  margin-left: -2px;
  margin-top: 35px;
  transition: all 0.4s ease-in-out;
}

.category-fours-line.category-fours-two {
  margin-top: 89px;
}

.category-fours-line.category-fours-three {
  margin-top: 143px;
}

.category-fours-line.category-fours-four {
  margin-top: 197px;
}

.category-fours-applications-right {
  height: 300px;
  width: 75%;
  overflow: hidden;
  position: relative;
}

.category-fours-first,
.category-fours-second,
.category-fours-third,
.category-fours-fourth {
  position: absolute;
  height: 300px;
  width: 75%;
  transition: all 0.6s ease-in-out;
  margin-top: -350px;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 30px;
  box-sizing: border-box;
}

.category-fours-first.category-fours-active,
.category-fours-second.category-fours-active,
.category-fours-third.category-fours-active,
.category-fours-fourth.category-fours-active {
  margin-top: 0;
  opacity: 1;
  width: 100%;
  transition: all 0.6s ease-in-out;
}

.category-fours-first h1,
.category-fours-second h1,
.category-fours-third h1,
.category-fours-fourth h1 {
  font-weight: 800;
  color: #122538;
  margin: 20px 0;
}

.category-fours-first p,
.category-fours-second p,
.category-fours-third p,
.category-fours-fourth p {
  color: #000;
  font-weight: 500;
  text-align: center;
  line-height: 1.6;
}

.category-fours-advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.category-fours-advantage {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s ease;
}

.category-fours-advantage:hover {
  transform: translateY(-5px);
}

.category-fours-advantage-icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 20px;
  object-fit: cover;
  border: 4px solid #122538;
}

.category-fours-advantage-title {
  margin-bottom: 15px;
  color: #122538;
}

.category-fours-advantage-text {
  color: #000;
  line-height: 1.6;
}

.category-fours-technical-table {
  margin-top: 30px;
  border-collapse: collapse;
  width: 100%;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.category-fours-technical-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid #f8f9fa;
}

.category-fours-technical-row:last-child {
  border-bottom: none;
}

.category-fours-technical-cell {
  padding: 15px;
  text-align: center;
}

.category-fours-technical-header {
  background: #122538;
  color: #fff;
  font-weight: bold;
}

.category-fours-technical-row:not(:first-child) .category-fours-technical-cell {
  color: #000;
}

.category-fours-technical-row:not(:first-child):hover {
  background: #f8f9fa;
}

.category-fours-installation-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.category-fours-contact {
  background: #fff;
  padding: 60px 40px;
  border-radius: 10px;
  text-align: center;
  margin-bottom: 40px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.category-fours-contact .category-fours-section-title {
  color: #000;
  margin-bottom: 60px;
}

.category-fours-contact .category-fours-section-title::after {
  background: #000;
}

.category-fours-social-list {
  height: auto;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-fours-social-list li {
  list-style: none;
  position: relative;
  margin: 0 20px;
  cursor: pointer;
}

.category-fours-social-list li a {
  text-decoration: none;
  position: relative;
  display: block;
  width: 6rem;
  height: 6rem;
  line-height: 6rem;
}

.category-fours-social-list li a::before {
  font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  font-size: 6rem;
  overflow: hidden;
  transition: height 0.4s ease-in-out;
  display: block;
  line-height: 6rem;
  text-align: center;
  font-weight: 900;
}

.category-fours-social-list li a .fa-brands,
.category-fours-social-list li a .fa-solid {
  font-size: 6rem;
  color: #222;
  display: block;
  line-height: 6rem;
}

.category-fours-social-list li:nth-child(1) a::before {
  content: "\f095";
  color: #EA4335;
  border-bottom: 4px solid #EA4335;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.category-fours-social-list li:nth-child(2) a::before {
  content: "\f232";
  color: #25D366;
  border-bottom: 4px solid #25D366;
}

.category-fours-social-list li:nth-child(3) a::before {
  content: "\f2c6";
  color: #0088cc;
  border-bottom: 4px solid #0088cc;
}

.category-fours-social-list li:hover a::before {
  height: 100%;
}

.category-fours-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.category-fours-card-item,
.category-fours-card-item-alt {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 24px 20px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(18, 37, 56, 0.05);
}

.category-fours-card-item-alt {
  background: #fff;
  border-color: rgba(18, 37, 56, 0.15);
}

.category-fours-cards-alt .category-fours-card-item-alt {
  position: relative;
  overflow: hidden;
}

.category-fours-cards-alt .category-fours-card-item-alt::before {
  content: '';
  position: absolute;
  inset: 0;
  border-top: 3px solid #122538;
  opacity: 0.4;
}

.category-fours-card-heading {
  margin: 0 0 12px;
  color: #122538;
}

.category-fours-card-description {
  margin: 0 0 18px;
  color: #000;
  line-height: 1.6;
}

.category-fours-card-footer {
  margin-top: auto;
}

.category-fours-card-btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: #122538;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid #122538;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.category-fours-card-btn:hover {
  background: #fff;
  color: #122538;
  box-shadow: 0 0 0 2px rgba(18, 37, 56, 0.1);
}

.category-fours-card-btn-outline {
  background: transparent;
  color: #122538;
}

.category-fours-card-btn-outline:hover {
  background: #122538;
  color: #fff;
}


@media (max-width: 1015px) {
  .category-fours-hero {
    grid-template-columns: 45% 50%;
    gap: 50px;
    padding: 140px 50px;
  }
  .category-fours-hero-btn {
    padding: 8px 12px;
  }
}

@media (max-width: 865px) {
  .category-fours-hero {
    grid-template-columns: 45% 50%;
    gap: 60px;
    padding: 130px 70px;
  }
  .category-fours-hero-gallery {
    gap: 15px;
  }
}

@media (max-width: 815px) {
  .category-fours-hero {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    grid-template-areas: "gallery" "description";
    gap: 30px;
    padding: 90px 80px 70px;
  }
  .category-fours-hero-gallery {
    grid-area: gallery;
    gap: 20px;
  }
  .category-fours-hero-description {
    grid-area: description;
    padding: 0;
    text-align: center;
  }
  .category-fours-hero-form {
    justify-content: center;
  }
}

@media (max-width: 460px) {
  .category-fours-hero {
    gap: 0;
    padding: 30px 40px;
  }
  .category-fours-hero-form {
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 20px;
  }
  #fours-email-id:focus {
    outline-offset: 6px;
  }
}

@media (max-width: 1500px) {
  .category-fours-features {
    grid-template-columns: repeat(3, 300px);
    grid-auto-rows: 300px;
    max-width: 1300px;
  }
  .category-fours-card-top,
  .category-fours-card-right,
  .category-fours-card-left {
    height: 300px;
    width: 300px;
  }
}

@media (max-width: 1300px) {
  .category-fours-features {
    grid-template-columns: repeat(3, 250px);
    grid-auto-rows: 250px;
    max-width: 1100px;
  }
  .category-fours-card-top,
  .category-fours-card-right,
  .category-fours-card-left {
    height: 250px;
    width: 250px;
  }
}

@media (max-width: 992px) {
  .category-fours-features {
    grid-template-columns: repeat(2, 250px);
  }
}

@media (max-width: 768px) {
  .category-fours-container {
    padding: 20px;
  }
  .category-fours-features {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .category-fours-card-top,
  .category-fours-card-right,
  .category-fours-card-left {
    height: 250px;
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
  }
  .category-fours-honeycomb {
    grid-template-columns: 1fr;
    row-gap: 28px;
    max-width: 320px;
  }
  .category-fours-honeycomb-cell {
    width: 260px;
    height: 202px;
  }
  .category-fours-honeycomb-cell:nth-child(n) {
    grid-column: 1;
  }
  .category-fours-application-block {
    flex-direction: column !important;
  }
  .category-fours-application-image,
  .category-fours-application-text {
    width: 100%;
  }
  .category-fours-cards {
    grid-template-columns: 1fr;
  }
  .category-fours-technical-row {
    grid-template-columns: 1fr;
  }
  .category-fours-technical-header {
    display: none;
  }
  .category-fours-technical-cell::before {
    content: attr(data-label);
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
  }
  .category-fours-applications-wrapper {
    flex-direction: column;
    height: auto;
    min-height: 400px;
  }
  .category-fours-applications-left {
    width: 100%;
    height: auto;
    padding: 20px 0;
  }
  .category-fours-applications-left ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  .category-fours-applications-border {
    display: none;
  }
  .category-fours-applications-right {
    width: 100%;
    height: auto;
    min-height: 300px;
  }
  .category-fours-first,
  .category-fours-second,
  .category-fours-third,
  .category-fours-fourth {
    width: 100%;
    position: relative;
    margin-top: 0;
    opacity: 0;
    padding: 20px;
  }
  .category-fours-first.category-fours-active,
  .category-fours-second.category-fours-active,
  .category-fours-third.category-fours-active,
  .category-fours-fourth.category-fours-active {
    opacity: 1;
  }
}