@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;900&display=swap");

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:#1a1a2e;
  --ink-soft:#2c3e50;
  --card:#ffffff;
  --accent:#4A9CD1;
  --gold:#D4AF37;
  --muted:#6c7a89;
  --border:#e0e8f0;
  --primary-text:#2c3e50;
  --bg-light:#f8f9fa;
  --bg-dark:#1a1a2e;
  --shadow-sm:0 2px 8px rgba(74,156,209,.08);
  --shadow-md:0 8px 30px rgba(74,156,209,.12);
  --shadow-lg:0 15px 50px rgba(74,156,209,.15);
  --transition:all .3s cubic-bezier(.4,0,.2,1)
}

html{scroll-behavior:smooth;font-size:16px}
body{font-size:16px;line-height:1.7}
p,span,div,a{font-size:16px;line-height:1.7}

body{
  margin:0;
  font-family:"Cairo",sans-serif;
  color:var(--primary-text);
  background:#fff;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale
}

body.active{overflow:hidden}

body.ltr{direction:ltr;text-align:left}

.skip-link{
  position:absolute;
  top:-40px;
  left:0;
  background:var(--accent);
  color:#fff;
  padding:8px 16px;
  text-decoration:none;
  z-index:10000;
  border-radius:4px
}

.skip-link:focus{top:0}

.container{
  max-width:1320px;
  margin:0 auto;
  padding:0 1.5rem
}

@media(min-width:1400px){.container{max-width:1320px}}

/* Header */
.main-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-sm);
  transition:var(--transition)
}

.main-header.scrolled{
  background:rgba(255,255,255,.98);
  box-shadow:var(--shadow-md)
}

.header-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1rem 2rem;
  position:relative;
  z-index:10
}

.header-logo{
  display:flex;
  align-items:center;
  gap:0.75rem
}

.logo-image{
  width:auto;
  height:60px;
  max-width:220px;
  object-fit:contain;
  display:block;
  transition:var(--transition);
  filter:brightness(1.05)
}

.header-logo a:hover .logo-image{
  transform:scale(1.05);
  filter:brightness(1.1)
}

.header-logo .logo-text,.header-logo h1{
  font-size:1.5rem;
  font-weight:800;
  color:var(--accent);
  margin:0;
  transition:var(--transition);
  display:block
}

.header-logo a{
  text-decoration:none;
  color:inherit;
  display:flex;
  align-items:center;
  gap:0.75rem
}

@media(max-width:768px){
  .logo-image{
    height:50px;
    max-width:180px
  }
  .header-logo .logo-text{
    font-size:1.2rem
  }
}

.main-nav{display:flex;align-items:center}

.nav-menu{
  display:flex;
  list-style:none;
  gap:2rem;
  margin:0;
  padding:0
}

.nav-link{
  text-decoration:none;
  color:var(--primary-text);
  font-weight:600;
  font-size:1rem;
  transition:var(--transition);
  position:relative;
  padding:.5rem 0
}

.nav-link::after{
  content:'';
  position:absolute;
  bottom:0;
  right:0;
  width:0;
  height:2px;
  background:var(--gold);
  transition:width .3s ease
}

.nav-link:hover::after,.nav-link.active::after{width:100%}

.nav-link:hover,.nav-link.active{color:var(--accent);transform:translateY(-2px)}

.social-icons{
  display:flex;
  gap:1rem;
  align-items:center
}

.social-icons a{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-light);
  border-radius:50%;
  color:var(--primary-text);
  text-decoration:none;
  transition:var(--transition)
}

.social-icons a:hover{
  background:var(--accent);
  color:#fff;
  transform:translateY(-3px) scale(1.1)
}

.mobile-menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:5px;
  z-index:1000;
  position:relative
}

.mobile-menu-toggle span{
  width:25px;
  height:3px;
  background:var(--primary-text);
  border-radius:3px;
  transition:var(--transition)
}

.mobile-menu-toggle.active span:nth-child(1){
  transform:rotate(45deg) translate(8px,8px)
}

.mobile-menu-toggle.active span:nth-child(2){opacity:0}

.mobile-menu-toggle.active span:nth-child(3){
  transform:rotate(-45deg) translate(7px,-7px)
}

.header-video-wrapper{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  z-index:0;
  overflow:hidden
}

.header-video-bg{
  width:100%;
  height:100%;
  background:linear-gradient(135deg,rgba(74,156,209,.05) 0%,rgba(44,62,80,.05) 100%);
  background-image:radial-gradient(circle at 20% 30%,rgba(74,156,209,.1) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(44,62,80,.1) 0%,transparent 50%)
}

.video-overlay{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(180deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.95) 100%)
}

/* Hero Video Section */
.hero-video-section{
  width:100%;
  height:80vh;
  overflow:hidden
}

.hero-video{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.05)
}

/* Hero Content Section */
.hero-content-section{
  background:linear-gradient(135deg,#f6f8fc 0%,#ffffff 100%);
  padding:60px 0;
  margin-top:-120px;
  position:relative;
  z-index:5
}

.hero-content{
  text-align:center;
  position:relative
}

.hero-tagline{
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800;
  color:var(--ink);
  margin-bottom:3rem;
  line-height:1.3;
  animation:fadeInUp .8s ease
}

.counters-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:2rem;
  margin-bottom:3rem
}

.counter-item{
  background:#fff;
  padding:2rem;
  border-radius:16px;
  box-shadow:var(--shadow-md);
  transition:var(--transition);
  text-align:center;
  position:relative;
  overflow:hidden
}

.counter-item::before{
  content:'';
  position:absolute;
  top:0;
  left:-100%;
  width:100%;
  height:100%;
  background:linear-gradient(90deg,transparent,rgba(74,156,209,.1),transparent);
  transition:left .5s ease
}

.counter-item:hover::before{left:100%}

.counter-item:hover{
  transform:translateY(-8px) scale(1.02);
  box-shadow:var(--shadow-lg)
}

.counter-number{
  font-size:3rem;
  font-weight:800;
  color:var(--accent);
  margin-bottom:.5rem;
  transition:var(--transition)
}

.counter-label{
  font-size:1.1rem;
  color:var(--primary-text);
  font-weight:600
}

.cta-button{
  display:inline-block;
  padding:1rem 3rem;
  background:var(--gold);
  color:#F5F5F5;
  text-decoration:none;
  border-radius:50px;
  font-weight:700;
  font-size:1.2rem;
  transition:var(--transition);
  box-shadow:0 4px 15px rgba(212,175,55,.3);
  position:relative;
  overflow:hidden;
  border:none;
  cursor:pointer
}

.cta-button::before{
  content:'';
  position:absolute;
  top:50%;
  left:50%;
  width:0;
  height:0;
  border-radius:50%;
  background:rgba(255,255,255,.3);
  transform:translate(-50%,-50%);
  transition:width .6s,height .6s
}

.cta-button:hover::before{width:300px;height:300px}

.cta-button:hover{
  background:#B8941F;
  transform:translateY(-3px) scale(1.05);
  box-shadow:0 6px 20px rgba(212,175,55,.4)
}

.cta-button:active{transform:translateY(-1px) scale(.98)}

/* Ripple Effect */
.ripple-effect{
  position:relative;
  overflow:hidden
}

.ripple-effect::after{
  content:'';
  position:absolute;
  top:50%;
  left:50%;
  width:0;
  height:0;
  border-radius:50%;
  background:rgba(255,255,255,.5);
  transform:translate(-50%,-50%);
  transition:width .6s,height .6s
}

.ripple-effect:active::after{
  width:300px;
  height:300px;
  opacity:0
}

/* Section Titles */
.section-title{
  font-size:clamp(2rem,4vw,2.8rem);
  font-weight:800;
  color:var(--ink);
  text-align:center;
  margin-bottom:3rem;
  position:relative;
  padding-bottom:1rem
}

.section-title::after{
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:80px;
  height:4px;
  background:var(--gold);
  border-radius:2px
}

.section-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:3rem;
  flex-wrap:wrap;
  gap:1rem
}

/* About Us Section */
.about-section{
  padding:100px 0;
  background:linear-gradient(135deg,#ffffff 0%,#f6f8fc 100%);
  position:relative;
  overflow:hidden
}

.about-section::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:radial-gradient(circle at 80% 20%,rgba(74,156,209,.05) 0%,transparent 50%);
  pointer-events:none
}

.about-content{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:4rem;
  align-items:center;
  margin-bottom:4rem
}

.about-text .section-title{
  text-align:right;
  margin-bottom:2rem
}

.about-text .section-title::after{
  left:0;
  transform:none
}

.about-description{
  margin-bottom:3rem
}

.lead-text{
  font-size:1.3rem;
  font-weight:600;
  color:var(--ink);
  line-height:1.8;
  margin-bottom:1.5rem
}

.about-description p{
  font-size:1.1rem;
  line-height:1.9;
  color:var(--primary-text);
  margin-bottom:1.2rem
}

.about-features{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2rem;
  margin-top:3rem
}

.feature-item{
  background:#fff;
  padding:2rem;
  border-radius:16px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  text-align:center
}

.feature-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md)
}

.feature-icon{
  width:70px;
  height:70px;
  margin:0 auto 1.5rem;
  background:linear-gradient(135deg,var(--accent) 0%,#3498db 100%);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.8rem;
  color:#fff;
  transition:var(--transition)
}

.feature-item:hover .feature-icon{
  transform:scale(1.1) rotate(5deg)
}

.feature-item h4{
  font-size:1.2rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:0.8rem
}

.feature-item p{
  color:var(--muted);
  font-size:0.95rem;
  line-height:1.6;
  margin:0
}

.about-image{
  position:relative
}

.image-placeholder{
  background:linear-gradient(135deg,var(--accent) 0%,#3498db 100%);
  border-radius:20px;
  padding:4rem 2rem;
  text-align:center;
  color:#fff;
  box-shadow:var(--shadow-lg);
  min-height:400px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center
}

.image-placeholder i{
  font-size:5rem;
  margin-bottom:1.5rem;
  opacity:0.9
}

.image-placeholder p{
  font-size:1.5rem;
  font-weight:700;
  margin:0
}

.about-mission{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2rem;
  margin-top:4rem
}

.mission-card{
  background:#fff;
  padding:3rem;
  border-radius:20px;
  box-shadow:var(--shadow-md);
  border-top:4px solid var(--gold);
  transition:var(--transition)
}

.mission-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg)
}

.mission-card h3{
  font-size:1.8rem;
  font-weight:800;
  color:var(--accent);
  margin-bottom:1.5rem;
  position:relative;
  padding-bottom:1rem
}

.mission-card h3::after{
  content:'';
  position:absolute;
  bottom:0;
  right:0;
  width:60px;
  height:3px;
  background:var(--gold);
  border-radius:2px
}

.mission-card p{
  font-size:1.1rem;
  line-height:1.9;
  color:var(--primary-text);
  margin:0
}

/* Services Section */
.services-section{
  padding:80px 0;
  background:#fff
}

.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:2rem
}

.service-card{
  background:#fff;
  padding:0;
  border-radius:20px;
  text-align:center;
  box-shadow:var(--shadow-md);
  transition:var(--transition);
  border:1px solid var(--border);
  position:relative;
  overflow:hidden;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  height:100%
}

.service-card h3{
  padding:2rem 2.5rem 1rem
}

.service-card p{
  padding:0 2.5rem 1rem;
  flex:1
}

.service-card .service-more-btn{
  margin:0 2.5rem 2.5rem
}

.service-card::before{
  content:'';
  position:absolute;
  top:-50%;
  left:-50%;
  width:200%;
  height:200%;
  background:radial-gradient(circle,rgba(74,156,209,.1) 0%,transparent 70%);
  opacity:0;
  transition:opacity .5s ease
}

.service-card:hover::before{opacity:1}

.service-card:hover{
  transform:translateY(-10px) rotateY(5deg);
  box-shadow:var(--shadow-lg);
  border-color:var(--accent)
}

.service-icon{
  width:80px;
  height:80px;
  margin:0 auto 1.5rem;
  background:linear-gradient(135deg,var(--accent) 0%,#3498db 100%);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2rem;
  color:#fff;
  transition:var(--transition);
  position:relative;
  z-index:1
}

.service-card:hover .service-icon{
  transform:scale(1.15) rotate(10deg);
  box-shadow:0 8px 25px rgba(74,156,209,.4)
}

.service-image{
  width:100%;
  height:220px;
  overflow:hidden;
  border-radius:12px 12px 0 0;
  position:relative;
  z-index:1;
  margin:0
}

.service-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:var(--transition)
}

.service-card:hover .service-image img{
  transform:scale(1.1)
}

.service-card h3{
  font-size:1.4rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:1rem;
  position:relative;
  z-index:1
}

.service-card p{
  color:var(--muted);
  line-height:1.7;
  font-size:1rem;
  position:relative;
  z-index:1;
  margin-bottom:1rem
}

.service-more-btn{
  background:var(--gold);
  color:#F5F5F5;
  border:none;
  padding:.8rem 1.5rem;
  border-radius:8px;
  font-weight:600;
  font-size:1.05rem;
  cursor:pointer;
  transition:var(--transition);
  margin-top:1rem;
  position:relative;
  z-index:1;
  width:100%
}

.service-more-btn:hover{
  background:#B8941F;
  transform:translateY(-2px);
  box-shadow:0 4px 15px rgba(212,175,55,.3)
}

.service-more-btn:active{
  transform:translateY(0) scale(.98)
}

/* Featured Tests Section */
.featured-tests-section{
  padding:80px 0;
  background:var(--bg-light)
}

.test-search-wrapper{
  position:relative;
  max-width:400px;
  width:100%
}

.test-search-input{
  width:100%;
  padding:.8rem 3rem .8rem 1rem;
  border:2px solid var(--border);
  border-radius:50px;
  font-size:1rem;
  transition:var(--transition);
  background:#fff
}

.test-search-input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(74,156,209,.1)
}

.search-icon{
  position:absolute;
  right:1rem;
  top:50%;
  transform:translateY(-50%);
  color:var(--muted);
  pointer-events:none
}

.tests-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:2rem
}

.test-card{
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  cursor:pointer;
  position:relative;
  transform-style:preserve-3d
}

.test-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(135deg,rgba(74,156,209,.05) 0%,transparent 100%);
  opacity:0;
  transition:opacity .3s ease;
  z-index:1
}

.test-card:hover::before{opacity:1}

.test-card:hover{
  transform:translateY(-8px) rotateX(2deg);
  box-shadow:var(--shadow-lg)
}

.test-thumbnail{
  width:100%;
  height:220px;
  overflow:hidden;
  position:relative
}

.test-image-placeholder{
  width:100%;
  height:100%;
  min-height:220px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:bold;
  font-size:1.2rem;
  transition:transform .5s ease
}

.test-card:hover .test-image-placeholder{
  transform:scale(1.15)
}

.test-content{
  padding:1.5rem;
  flex:1;
  display:flex;
  flex-direction:column;
  position:relative;
  z-index:2
}

.test-content h3{
  font-size:1.2rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:.8rem;
  line-height:1.4
}

.test-content p{
  color:var(--muted);
  font-size:.95rem;
  margin-bottom:1rem;
  flex:1
}

.test-more-btn{
  background:var(--gold);
  color:#F5F5F5;
  border:none;
  padding:.8rem 1.5rem;
  border-radius:8px;
  font-weight:600;
  font-size:1.05rem;
  cursor:pointer;
  transition:var(--transition);
  align-self:flex-start;
  position:relative;
  overflow:hidden
}

.test-more-btn::after{
  content:'→';
  position:absolute;
  right:-20px;
  transition:right .3s ease
}

.test-more-btn:hover::after{right:10px}

.test-more-btn:hover{
  background:#B8941F;
  transform:translateX(5px);
  box-shadow:0 4px 15px rgba(212,175,55,.3)
}

.test-more-btn:active{transform:translateX(3px) scale(.98)}

.loading-spinner{
  grid-column:1/-1;
  text-align:center;
  padding:3rem
}

.spinner{
  width:50px;
  height:50px;
  border:4px solid var(--border);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin:0 auto 1rem
}

@keyframes spin{to{transform:rotate(360deg)}}

.no-results{
  grid-column:1/-1;
  text-align:center;
  padding:3rem;
  color:var(--muted)
}

/* Accreditations & Partners */
.accreditations-section,.partners-section{
  padding:80px 0;
  background:#fff
}

.partners-section{background:var(--bg-light)}

.accreditations-carousel,.partners-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:2rem;
  align-items:center;
  justify-items:center
}

.partners-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}

.accreditation-item,.partner-item{
  background:#fff;
  padding:1.5rem;
  border-radius:12px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  display:flex;
  align-items:center;
  justify-content:center;
  height:120px;
  width:100%;
  cursor:pointer
}

.partner-item{height:140px}

.accreditation-logo,.partner-logo{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:bold;
  font-size:1.2rem;
  color:var(--primary-text);
  filter:grayscale(100%);
  transition:var(--transition);
  text-align:center;
  padding:10px
}

.accreditation-item:hover,.partner-item:hover{
  transform:translateY(-8px) scale(1.05);
  box-shadow:var(--shadow-lg)
}

.accreditation-item:hover .accreditation-logo,.partner-item:hover .partner-logo{
  filter:grayscale(0%);
  color:var(--accent)
}

/* Footer */
.main-footer{background:var(--ink);color:#fff}

.footer-top{padding:60px 0 40px;background:#1a1f2e}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:3rem
}

.footer-column h4{
  font-size:1.3rem;
  font-weight:700;
  margin-bottom:1.5rem;
  color:#fff;
  border-bottom:2px solid var(--gold);
  padding-bottom:.5rem;
  display:inline-block
}

.footer-column p{
  margin-bottom:1rem;
  color:#d7e2f3;
  display:flex;
  align-items:center;
  gap:.8rem
}

.footer-column p i{
  color:var(--gold);
  width:20px
}

.footer-column a{
  color:#d7e2f3;
  text-decoration:none;
  transition:var(--transition)
}

.footer-column a:hover{color:var(--gold)}

.footer-links{
  list-style:none;
  padding:0
}

.footer-links li{margin-bottom:.8rem}

.footer-links a{
  color:#d7e2f3;
  text-decoration:none;
  transition:var(--transition);
  display:inline-block
}

.footer-links a:hover{
  color:var(--gold);
  transform:translateX(-5px)
}

.footer-social{
  display:flex;
  gap:1rem;
  flex-wrap:wrap
}

.footer-social a{
  width:45px;
  height:45px;
  background:rgba(255,255,255,.1);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  transition:var(--transition)
}

.footer-social a:hover{
  background:var(--gold);
  transform:translateY(-3px) scale(1.1)
}

.footer-bottom{
  padding:2rem 0;
  background:#0c1424;
  text-align:center;
  display:flex;
  justify-content:space-between;
  align-items:center
}

.copyright{color:#9fb2cc;margin:0}

.rtl-toggle{
  background:var(--gold);
  color:#F5F5F5;
  border:none;
  padding:.8rem 1.5rem;
  border-radius:8px;
  cursor:pointer;
  font-weight:600;
  font-size:1.05rem;
  transition:var(--transition);
  display:flex;
  align-items:center;
  gap:.5rem
}

.rtl-toggle:hover{
  background:#B8941F;
  transform:translateY(-2px) scale(1.05)
}

/* Modal */
.modal-overlay{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,.8);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:2000;
  backdrop-filter:blur(5px);
  animation:fadeIn .3s ease
}

.modal-overlay.active{display:flex}

.modal-content{
  background:#fff;
  border-radius:20px;
  max-width:800px;
  width:90%;
  max-height:90vh;
  overflow-y:auto;
  position:relative;
  padding:2.5rem;
  box-shadow:0 20px 60px rgba(0,0,0,.3);
  animation:modalSlideIn .3s ease
}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}

@keyframes modalSlideIn{
  from{opacity:0;transform:translateY(-50px)}
  to{opacity:1;transform:translateY(0)}
}

.modal-close{
  position:absolute;
  top:1rem;
  left:1rem;
  background:var(--accent);
  color:#fff;
  border:none;
  width:40px;
  height:40px;
  border-radius:50%;
  font-size:1.5rem;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
  z-index:10
}

.modal-close:hover{
  background:#4A9CD1;
  transform:rotate(90deg) scale(1.1)
}

.modal-body h3{
  font-size:2rem;
  color:var(--ink);
  margin-bottom:1rem
}

.modal-body p{
  color:var(--muted);
  line-height:1.8;
  margin-bottom:1rem
}

.modal-body form input:focus,
.modal-body form textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(74,156,209,.1)
}

.modal-body form button[type="submit"]:hover{
  background:#3a7ba8;
  transform:translateY(-2px);
  box-shadow:0 4px 15px rgba(74,156,209,.3)
}

.modal-body form input[type="file"]{
  cursor:pointer
}

.modal-body form input[type="file"]:hover{
  border-color:var(--accent)
}

.modal-body form{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
  width:100%;
}

.modal-body form label{
  display:block;
  visibility:visible;
}

.modal-body form input,
.modal-body form textarea,
.modal-body form button{
  display:block;
  visibility:visible;
  width:100%;
}

#homeVisitForm{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
  width:100%!important;
  margin-top:1rem;
}

#homeVisitForm *{
  display:block;
  visibility:visible;
}

#homeVisitForm input,
#homeVisitForm textarea,
#homeVisitForm button,
#homeVisitForm label{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
}

/* Back to Top */
.back-to-top{
  position:fixed;
  bottom:30px;
  left:30px;
  width:50px;
  height:50px;
  background:var(--accent);
  color:#fff;
  border:none;
  border-radius:50%;
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  z-index:999;
  transition:var(--transition);
  box-shadow:0 4px 15px rgba(74,156,209,.3)
}

.back-to-top.show{display:flex}

.back-to-top:hover{
  background:#4A9CD1;
  transform:translateY(-5px) scale(1.1);
  box-shadow:0 6px 20px rgba(74,156,209,.4)
}

/* Animations */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}

[data-aos]{opacity:0;transition:opacity .6s ease,transform .6s ease}

[data-aos].aos-animate{opacity:1}

[data-aos="fade-up"]{transform:translateY(30px)}

[data-aos="fade-up"].aos-animate{transform:translateY(0)}

[data-aos="zoom-in"]{transform:scale(.8)}

[data-aos="zoom-in"].aos-animate{transform:scale(1)}

/* Responsive Design */
@media(max-width:992px){
  .nav-menu{
    position:fixed;
    top:0;
    right:-100%;
    width:80%;
    max-width:350px;
    height:100vh;
    background:#fff;
    flex-direction:column;
    padding:80px 2rem 2rem;
    box-shadow:-5px 0 20px rgba(0,0,0,.1);
    transition:right .3s ease;
    z-index:998;
    overflow-y:auto;
    margin:0;
    list-style:none
  }
  .nav-menu.active{right:0}
  .nav-menu li{margin-bottom:1.5rem;width:100%}
  .nav-menu li a{
    display:block;
    padding:.8rem 0;
    font-size:1.1rem;
    border-bottom:1px solid #f0f0f0
  }
  .mobile-menu-toggle{display:flex}
  .social-icons{display:none}
  body.active{overflow:hidden}
  body.active::before{
    content:'';
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.5);
    z-index:997
  }
  .counters-grid{grid-template-columns:repeat(2,1fr)}
  .tests-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
  .section-header{flex-direction:column;align-items:stretch}
}

@media(max-width:768px){
  .header-container{padding:1rem}
  .header-logo h1{font-size:1.2rem}
  .hero-video-section{
    height:60vh
  }
  .hero-content-section{
    padding:40px 0;
    margin-top:-80px
  }
  .counters-grid{grid-template-columns:1fr;gap:1.5rem}
  .counter-number{font-size:2.5rem}
  .about-content{grid-template-columns:1fr;gap:3rem}
  .about-text .section-title{text-align:center}
  .about-text .section-title::after{left:50%;transform:translateX(-50%)}
  .about-features{grid-template-columns:1fr}
  .about-mission{grid-template-columns:1fr}
  .image-placeholder{min-height:300px;padding:3rem 1.5rem}
  .services-grid,.tests-grid{grid-template-columns:1fr}
  .accreditations-carousel,.partners-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:1rem}
  .modal-content{padding:1.5rem}
  .back-to-top{bottom:20px;left:20px;width:45px;height:45px}
}

@media(max-width:480px){
  .hero-tagline{font-size:1.5rem}
  .section-title{font-size:1.8rem}
  .accreditations-carousel,.partners-grid{grid-template-columns:1fr}
}

/* LTR Support */
body.ltr .nav-link::after{left:0;right:auto}
body.ltr .footer-links a:hover{transform:translateX(5px)}
body.ltr .back-to-top{right:30px;left:auto}
body.ltr .test-more-btn::after{left:-20px;right:auto}
body.ltr .test-more-btn:hover::after{left:10px}

/* Accessibility */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important
  }
}

a:focus,button:focus,input:focus{
  outline:3px solid var(--gold);
  outline-offset:2px
}

/* Print */
@media print{
  .main-header,.back-to-top,.modal-overlay,.mobile-menu-toggle{display:none}
}