:root {
  --primary: #c00000;
  --primary-dark: #8a0000;
  --dark: #1a1a1a;
  --light: #f8f8f8;
  --gray: #666;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Header Styles */
header {
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 0 5%;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-img {
  height: 60px;
  transition: var(--transition);
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.logo-text span {
  color: var(--dark);
}

nav {
  display: flex;
  gap: 40px;
}

nav a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  padding: 5px 0;
  transition: var(--transition);
}

nav a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

nav a:hover:after {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.language-selector {
  position: relative;
  cursor: pointer;
}

.globe-icon {
  font-size: 20px;
  color: var(--dark);
  transition: var(--transition);
}

.globe-icon:hover {
  color: var(--primary);
  transform: rotate(15deg);
}

.language-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  padding: 15px;
  width: 160px;
  display: none;
  z-index: 10;
}

.language-menu.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  cursor: pointer;
}

.language-option:hover {
  background: #f9f9f9;
}

.language-option img {
  width: 24px;
  height: 16px;
  object-fit: cover;
  border-radius: 2px;
}

.language-option span {
  font-size: 14px;
  font-weight: 500;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark);
}

/* Hero Section */
.hero {
  height: 85vh;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("Nested\ Sequence\ 55_1.mp4");
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  color: white;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  max-width: 900px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(192, 0, 0, 0.3);
}

/* Sections */
.section {
  padding: 100px 10%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
  color: var(--primary);
}

.section-title:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 70px;
  height: 4px;
  background: var(--primary);
}

.section-content {
  font-size: 1.1rem;
  color: var(--dark);
  line-height: 1.8;
}

.section-content p {
  margin-bottom: 25px;
}

.section-content ul {
  padding-left: 20px;
  margin-bottom: 25px;
}

.section-content li {
  margin-bottom: 10px;
}

.highlight-box {
  background: #fff;
  border-left: 4px solid var(--primary);
  padding: 20px;
  margin: 30px 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-content {
  padding: 25px;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.card-text {
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Improved Clients Section */
.clients-section {
  position: relative;
  overflow: hidden;
  padding: 50px 0;
  background: white;
}

.clients-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.clients-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 40px;
  color: var(--primary);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
}

.client-card {
  background: #fff;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.client-card-br {
  background: none;
  border-radius: 10px;
  padding: 25px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.client-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.client-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 20px;
}

.client-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.client-category {
  font-size: 0.9rem;
  color: var(--gray);
}

/* Certification Section */
.certification {
  background: linear-gradient(rgba(192, 0, 0, 0.9), rgba(138, 0, 0, 0.9)),
    url("ICE_1.jpg");
  background-size: cover;
  background-position: center;
  padding: 100px 10%;
  text-align: center;
  color: white;
}

/* Sponsors Section */
.sponsors {
  background: var(--primary);
  padding: 60px 0;
  text-align: center;
}

.sponsors-title {
  color: white;
  font-size: 2rem;
  margin-bottom: 30px;
}

.sponsors-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.sponsor-logo {
  height: 60px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
  transition: var(--transition);
}

.sponsor-logo:hover {
  opacity: 1;
  transform: scale(1.05);
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 70px 5% 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 50px;
}

.footer-col h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h3:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #bbb;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-icon {
  color: var(--primary);
  font-size: 18px;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #444;
  color: #999;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  nav {
    gap: 25px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section {
    padding: 80px 5%;
  }

  .section-title {
    font-size: 2rem;
  }

  .logo-text {
    display: none;
  }
  .client-card-br {
    display: none;
  }
}
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  nav {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 80%;
    height: calc(100vh - 80px);
    background: white;
    flex-direction: column;
    padding: 30px;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 99;
  }

  nav.active {
    left: 0;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn {
    padding: 12px 25px;
  }

  .clients-grid {
    grid-template-columns: 1fr;
  }
}
.hero {
  height: 90vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(26, 26, 26, 0.6) 0%,
    rgba(26, 26, 26, 0.2) 100%
  );
  z-index: 1;
}

.hero video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 2rem;
}

.hero h1 {
  margin-bottom: 2rem;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.header-right a {
  text-decoration: none;
  color: var(--dark);
}