:root {
  /* General Colors */
  --primary-accent-color: #c5d961;
  --primary-text-color: #000000;
  --secondary-text-color: #555555;
  --white-font-color: #ffffff;
  --dark-accent-color: #4a6c24;
  --secondary-accent-color: #d8ea9e;

  /* Filter Navigation Colors */
  --filter-border-color: #cccccc;
  --filter-bg-color: #ffffff;
  --filter-button-hover-color: #c6d9634d;

  /* Services and Stats Colors */
  --card-bg-color: #ffffff;
  --comparison-bg-color: #f8f8f8;
  --blue-comparison-color: #a8b2bebf;
  --graph-bg-color: #686868cc;
}

/* === TECH FILTER === */
.tech-filter {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 3rem auto;
  padding: 0.5rem;
  border: 1px solid var(--filter-border-color);
  border-radius: 999px;
  max-width: 800px;
  box-sizing: border-box;
  overflow: hidden;
  background: var(--filter-bg-color);
}

.tech-button {
  flex: 1;
  text-align: center;
  font-size: 1rem;
  padding: 0.7rem 1.2rem;
  border: none;
  background: transparent;
  color: var(--primary-text-color);
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  border-radius: 999px;
}

.tech-button.active {
  background-color: var(--primary-accent-color) !important;
  color: var(--white-font-color);
}

.tech-button:hover:not(.active) {
  background-color: var(--filter-button-hover-color);
}

.tech-button:hover {
  background-color: var(--filter-button-hover-color);
}

/* === TECH FILTER TITLE === */
.tech-filter-title {
  text-align: center;
  margin-top: 12rem;
}

.tech-filter-title h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--primary-text-color);
  margin-bottom: 1.5rem;
  position: relative;
}

.tech-filter-title h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--dark-accent-color);
  border-radius: 5px;
}

.tech-content {
  display: none;
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem;
  transition: opacity 0.3s ease;
}

.tech-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .tech-filter {
    flex-wrap: wrap;
    padding: 0.5rem;
    border-radius: 1rem;
    margin: 0 0.5rem 2rem;
  }

  .tech-button {
    flex: 1 1 45%;
    margin: 0.3rem;
  }
}

/* === IMPACT RESISTANCE SECTION === */
.impact-intro-text p,
.impact-intro-text ul {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--primary-text-color);
  margin-bottom: 1rem;
}

.impact-intro-text {
  flex: 1;
}

.impact-intro-text ul {
  list-style: disc;
  margin-left: 1.5rem;
  padding-left: 0.5rem;
}

.impact-intro-text li {
  margin-bottom: 0.5rem;
}

.impact-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--card-bg-color);
  border-radius: 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  flex: 1 1 300px;
}

.card img,
.card .impact-graph {
  width: 70%;
  max-width: 100%;
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
  padding: 0 1.5rem;
}

.performance-insights h3 {
  font-size: 1.4rem;
  font-weight: 700;
  padding: 1.5rem 1.5rem 0;
  text-align: center;
  color: var(--primary-text-color);
}

.performance-advantages {
  flex: 0 0 400px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.performance-advantages.card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-radius: 1rem;
}

.performance-advantages .comparison-title {
  background-color: var(--secondary-accent-color);
  font-weight: 700;
  font-size: 1.2rem;
  padding: 1.25rem;
  text-align: center;
  color: var(--primary-text-color);
  border-radius: 1rem 1rem 0 0;
  margin: 0;
}

.advantages-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--primary-text-color);
  position: relative;
}

.advantage-item::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.8rem;
  background-color: var(--secondary-accent-color);
  border-radius: 50%;
  color: var(--primary-text-color);
  flex-shrink: 0;
}

.advantage-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 0;
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
}

.performance-comparison {
  background: var(--comparison-bg-color);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  text-align: center;
}

.performance-comparison h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary-text-color);
}

.comparison-grid {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 2rem;
}

.performance-card {
  flex: 1 1 clamp(280px, 45%, 360px);
  max-width: 360px;
  min-width: 260px;
  background: var(--card-bg-color);
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.performance-card img {
  width: 60%;
  max-width: 200px;
  height: auto;
  margin: 1.25rem auto 1rem;
  border-radius: 0.5rem;
}

.performance-card p {
  padding: 0 1.5rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
  color: var(--primary-text-color);
}

.performance-card em {
  font-style: italic;
  color: var(--secondary-text-color);
}

.comparison-title {
  font-weight: 700;
  font-size: 1.2rem;
  padding: 1.5rem;
  text-align: center;
  width: 100%;
  border-radius: 1rem 1rem 0 0;
  margin: 0;
  box-sizing: border-box;
}

.vs {
  font-weight: bold;
  font-size: 1.3rem;
  margin: 0 1rem;
  color: var(--secondary-text-color);
  align-self: center;
}

.light-green {
  background-color: var(--secondary-accent-color);
  color: var(--primary-text-color);
}

.light-blue {
  background-color: var(--blue-comparison-color);
  color: var(--primary-text-color);
}

@media (max-width: 872px) {
  .performance-card img {
    width: 50%;
    max-width: 160px;
    margin: 1rem auto 0.5rem;
  }
  .comparison-grid {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  .performance-card {
    min-height: auto;
  }
  .vs {
    margin: 0.5rem 0;
  }
}

@media (max-width: 600px) {
  .impact-grid {
    flex-direction: column;
    gap: 1.5rem;
  }
  .card {
    flex: 1 1 auto;
  }
  .advantage-item {
    padding: 0.8rem 1.25rem;
  }
}

/* === PUNCTURE PROTECTION SECTION === */
.puncture-image-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2rem 0;
}

.puncture-image-row img {
  width: 30%;
  min-width: 200px;
  max-width: 280px;
  height: auto;
  border-radius: 0.75rem;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.puncture-performance-insights {
  padding: 1.5rem 1.5rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  margin-top: 2rem;
  text-align: center;
}

.puncture-performance-insights h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary-text-color);
}

.puncture-graph-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.puncture-performance-graph {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.puncture-graph-container img.puncture-performance-graph:first-of-type {
  width: 70%;
  max-width: 500px;
}

.puncture-graph-wrapper {
  background-color: var(--graph-bg-color);
  border-radius: 0.75rem;
  margin-bottom: 2rem;
  width: 90%;
  display: flex;
  justify-content: center;
  max-width: 700px;
}

@media (max-width: 768px) {
  .puncture-graph-container {
    gap: 1.5rem;
  }

  .puncture-graph-wrapper {
    margin-bottom: 2.5rem;
    padding: 1rem 0.75rem;
  }

  .puncture-performance-graph {
    width: 100%;
    padding: 0 1rem;
  }
}

/* === CRASH PROTECTION SECTION === */
#crash .impact-intro-text {
  margin-bottom: 3rem;
}

#crash .top-text {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}

#crash .left-text {
  flex: 1 1 380px;
}

#crash .right-image {
  flex: 1 1 280px;
  text-align: center;
}

.crash-comparison-image {
  width: 80%;
  height: auto;
}

.crash-grid-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  margin: 2rem 0 3rem;
}

.crash-grid-image {
  flex: 1 1 300px;
  max-width: 480px;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.crash-performance-insights {
  padding: 2rem 1.5rem 2.5rem;
  margin-top: 3rem;
  text-align: center;
}

.crash-performance-insights h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--primary-text-color);
}

.crash-graph-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.crash-graph-container img.crash-performance-graph:first-of-type {
  width: 50%;
  max-width: 500px;
}

.crash-graph-row {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
  overflow-x: auto;
  box-sizing: border-box;
}

.crash-graph-row .crash-performance-graph {
  flex: 1 1 100%;
  max-width: 420px;
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: contain;
}

.crash-graph-wrapper {
  background-color: var(--graph-bg-color);
  border-radius: 0.75rem;
  max-width: 680px;
  width: 90%;
  padding: 1rem 0.5rem;
  display: flex;
  justify-content: center;
  margin: 0 auto;
}

.crash-performance-graph {
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

@media (max-width: 900px) {
  #crash .top-text {
    flex-direction: column;
    align-items: flex-start;
  }

  .crash-performance-insights {
    padding: 1.5rem 1rem 2rem;
  }

  .crash-performance-insights h3 {
    font-size: 1.4rem;
  }

  .crash-graph-row {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .crash-graph-row .crash-performance-graph {
    max-width: 90%;
  }
}

@media (max-width: 600px) {
  .crash-grid-row {
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0 2rem;
    padding: 0 1rem;
  }

  .crash-grid-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
  }

  .crash-graph-wrapper {
    padding: 0.75rem 0.25rem;
    width: 95%;
  }

  .crash-performance-insights {
    padding: 1.25rem 0.75rem;
  }

  .crash-graph-container {
    gap: 1.25rem;
  }
}

/* === FLEXIBILITY & DURABILITY SECTION === */
.flex-durability-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.flex-durability-intro .left-text {
  flex: 2 1 480px;
}

.flex-durability-intro .performance-advantages {
  flex: 1 1 260px;
  max-width: 320px;
}

.durability-performance-insights {
  padding: 2rem 1.5rem 2.5rem;
  margin-top: 3rem;
  text-align: center;
  border-radius: 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.durability-performance-insights h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--primary-text-color);
}

.durability-graph-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.durability-performance-graph {
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 0.5rem;
  flex: 1 1 300px;
  max-width: 420px;
}

.durability-graph-wrapper {
  background-color: var(--graph-bg-color);
  border-radius: 0.75rem;
  padding: 1rem;
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

@media (max-width: 768px) {
  .flex-durability-intro {
    flex-direction: column;
  }

  .flex-durability-intro .performance-advantages {
    max-width: 100%;
  }
  .durability-graph-row {
    flex-direction: column;
    gap: 1rem;
  }
  .performance-advantages.card {
    margin: 0 auto;
  }
  .durability-graph-wrapper {
    padding: 0.75rem;
    width: 95%;
  }
}