/* =========================================
           ROOT VARIABLES & GLOBAL STYLES
           ========================================= */
:root {
  --rs-primary-red: #a51c24;
  --rs-dark-red: #7a131a;
  --rs-steel-silver: #d1d6db;
  --rs-bg-light: #ffffff;
  --rs-bg-offwhite: #f8f9fa;
  --rs-bg-luxury-dark: #121416;
  --rs-bg-card-dark: #1c1f22;
  --rs-text-light: #ffffff;
  --rs-text-dark: #1a1d20;
  --rs-text-muted: #5a6268;
  --rs-text-gray: #a0aab2;
  --rs-font-heading: "Oswald", sans-serif;
  --rs-font-body: "Poppins", sans-serif;
  --rs-transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
  font-family: var(--rs-font-body);
  background-color: var(--rs-bg-light);
  color: var(--rs-text-dark);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--rs-font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Unique Global Classes for Quality Page */
.rs-qual-subtitle {
  color: var(--rs-primary-red);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 15px;
  display: inline-block;
  position: relative;
  padding-left: 45px;
}

.rs-qual-subtitle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 2px;
  background-color: var(--rs-primary-red);
}

.rs-qual-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--rs-text-dark);
}

.rs-qual-title span {
  color: var(--rs-primary-red);
}

.rs-qual-btn {
  background: var(--rs-primary-red);
  border: 2px solid var(--rs-primary-red);
  color: var(--rs-text-light);
  padding: 12px 35px;
  font-family: var(--rs-font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: var(--rs-transition-smooth);
  text-transform: uppercase;
  border-radius: 0;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}

.rs-qual-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--rs-text-dark);
  z-index: -1;
  transition: var(--rs-transition-smooth);
}

.rs-qual-btn:hover::before {
  left: 0;
}

.rs-qual-btn:hover {
  color: var(--rs-text-light) !important;
  border-color: var(--rs-text-dark);
}

/* =========================================
           1. INNER PAGE HERO BANNER
           ========================================= */
.rs-qual-hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Precision/Quality Background */
  background:
    linear-gradient(to bottom, rgba(18, 20, 22, 0.7), rgba(18, 20, 22, 0.95)),
    url("../images/banner/quality-ban.jpg") center/cover no-repeat fixed;
  text-align: center;
  color: var(--rs-text-light);
}

.rs-qual-hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  letter-spacing: 2px;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.rs-qual-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.rs-qual-breadcrumb a {
  color: var(--rs-text-light);
  text-decoration: none;
  transition: var(--rs-transition-smooth);
}

.rs-qual-breadcrumb a:hover {
  color: var(--rs-primary-red);
}

.rs-qual-breadcrumb span {
  color: var(--rs-primary-red);
}

/* =========================================
           2. QUALITY ASSURANCE OVERVIEW
           ========================================= */
.rs-qual-overview-sec {
  padding: 120px 0;
  background-color: var(--rs-bg-light);
}

.rs-qual-img-wrapper {
  position: relative;
  padding-left: 30px;
  padding-bottom: 30px;
  z-index: 1;
}

.rs-qual-img-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 80%;
  height: 80%;
  border: 8px solid var(--rs-bg-offwhite);
  z-index: -1;
  transition: var(--rs-transition-smooth);
}

.rs-qual-img-wrapper:hover::before {
  border-color: var(--rs-steel-silver);
  transform: translate(-10px, -10px);
}

.rs-qual-main-img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transition: var(--rs-transition-smooth);
}

.rs-qual-img-wrapper:hover .rs-qual-main-img {
  transform: scale(1.02);
}

.rs-qual-text {
  font-size: 1.05rem;
  color: var(--rs-text-muted);
  line-height: 1.8;
  margin-bottom: 30px;
}

.rs-qual-list {
  list-style: none;
  padding: 0;
  margin: 0 0 40px 0;
}

.rs-qual-list li {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--rs-text-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.rs-qual-list li i {
  color: var(--rs-text-light);
  font-size: 1rem;
  background: var(--rs-primary-red);
  padding: 6px;
  border-radius: 50%;
  margin-top: 2px;
  box-shadow: 0 5px 15px rgba(165, 28, 36, 0.3);
}

/* =========================================
           3. ADVANCED TESTING GRID
           ========================================= */
.rs-qual-test-sec {
  padding: 100px 0 120px 0;
  background-color: var(--rs-bg-offwhite);
}

.rs-qual-test-card {
  background: var(--rs-bg-light);
  padding: 50px 30px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  height: 100%;
  position: relative;
  z-index: 1;
  transition: var(--rs-transition-smooth);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

/* Left Border Expand Effect */
.rs-qual-test-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--rs-primary-red);
  transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: -1;
}

.rs-qual-test-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.rs-qual-test-card:hover::before {
  width: 100%;
}

.rs-qual-test-icon {
  width: 70px;
  height: 70px;
  background: var(--rs-bg-offwhite);
  color: var(--rs-primary-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border-radius: 50%;
  margin-bottom: 25px;
  transition: var(--rs-transition-smooth);
}

.rs-qual-test-card:hover .rs-qual-test-icon {
  background: var(--rs-text-light);
  color: var(--rs-primary-red);
  transform: scale(1.1);
}

.rs-qual-test-title {
  font-family: var(--rs-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rs-text-dark);
  margin-bottom: 15px;
  transition: var(--rs-transition-smooth);
}

.rs-qual-test-desc {
  font-size: 0.95rem;
  color: var(--rs-text-muted);
  line-height: 1.6;
  margin: 0;
  transition: var(--rs-transition-smooth);
}

/* Text turns white on hover due to red background fill */
.rs-qual-test-card:hover .rs-qual-test-title,
.rs-qual-test-card:hover .rs-qual-test-desc {
  color: var(--rs-text-light);
}

/* =========================================
           4. STANDARDS & CERTIFICATIONS (Dark Theme)
           ========================================= */
.rs-qual-cert-sec {
  padding: 100px 0;
  background:
    linear-gradient(
      135deg,
      rgba(18, 20, 22, 0.98) 0%,
      rgba(18, 20, 22, 0.9) 100%
    ),
    url("../images/backgrounds/abt-pg-bg.jpeg") center/cover fixed;
  color: var(--rs-text-light);
  position: relative;
  text-align: center;
}

.rs-qual-cert-sec .rs-qual-title {
  color: var(--rs-text-light);
}

.rs-qual-cert-desc {
  color: var(--rs-text-gray);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 50px auto;
  line-height: 1.6;
  font-weight: 300;
}

.rs-qual-cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.rs-qual-cert-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px 20px;
  border-radius: 4px;
  transition: var(--rs-transition-smooth);
  backdrop-filter: blur(5px);
}

.rs-qual-cert-box:hover {
  background: rgba(165, 28, 36, 0.2);
  border-color: var(--rs-primary-red);
  transform: translateY(-10px);
}

.rs-qual-cert-box i {
  font-size: 3rem;
  color: var(--rs-primary-red);
  margin-bottom: 20px;
}

.rs-qual-cert-name {
  font-family: var(--rs-font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.rs-qual-cert-text {
  font-size: 0.9rem;
  color: var(--rs-text-gray);
  margin: 0;
}

/* =========================================
           5. CTA STRIP
           ========================================= */
.rs-qual-cta-sec {
  padding: 60px 0;
  background-color: var(--rs-primary-red);
  color: var(--rs-text-light);
  text-align: center;
}

.rs-qual-cta-sec h2 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.rs-qual-cta-sec p {
  font-size: 1.1rem;
  margin-bottom: 0;
  font-weight: 300;
}

.rs-qual-cta-btn {
  background: var(--rs-text-light);
  color: var(--rs-primary-red);
  padding: 12px 35px;
  font-family: var(--rs-font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  display: inline-block;
  transition: var(--rs-transition-smooth);
  border: 2px solid var(--rs-text-light);
}

.rs-qual-cta-btn:hover {
  background: transparent;
  color: var(--rs-text-light);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
  .rs-qual-hero-title {
    font-size: 3rem;
  }
  .rs-qual-overview-sec {
    padding: 80px 0;
  }
  .rs-qual-img-wrapper {
    padding-left: 0;
    padding-bottom: 0;
    margin-bottom: 40px;
  }
  .rs-qual-img-wrapper::before {
    display: none;
  }

  .rs-qual-cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .rs-qual-cta-sec {
    padding: 40px 0;
  }
  .rs-qual-cta-sec h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 767px) {
  .rs-qual-cert-grid {
    grid-template-columns: 1fr;
  }
}