:root{
  --navy: #0f2339;
  --navy-deep: #0a1526;
  --cyan: #18ade3;
  --teal-card: #5d93a1;
  --gold-card: #c7a550;
  --terracotta-card: #c17b5c;
  --text-dark: #16202b;
  --text-muted: #4a5560;
  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text-dark);
  background:#fff;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }

.wrap{
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.sr-only{
  position:absolute;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* ---------- Header ---------- */
.site-header{
  background:#fff;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: transform .4s ease;
}
.site-header.header-hidden{
  transform: translateY(-100%);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.logo-icon{ width:34px; height:auto; }
.logo-text{
  font-family: var(--font-display);
  font-weight:700;
  font-size: 22px;
  color: var(--navy);
  line-height:1.1;
  display:flex;
  flex-direction:column;
}
.logo-text small{
  font-family: var(--font-body);
  font-weight:600;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: #3a6ea5;
}
.main-nav{
  display:flex;
  gap: 40px;
}
.main-nav a{
  position:relative;
  display:inline-block;
  overflow:hidden;
  height: 1.1em;
  font-size: 13px;
  font-weight:600;
  letter-spacing: 0.5px;
  color: var(--navy);
  text-decoration:none;
}
.nav-link__text{
  display:block;
  transition: transform .5s cubic-bezier(.65,0,.35,1);
}
.nav-link__text--dup{
  position:absolute;
  left:0;
  top:100%;
  color: var(--cyan);
}
.main-nav a:hover .nav-link__text{
  transform: translateY(-100%);
}

/* ---------- Hamburger toggle (mobile) ---------- */
.menu-toggle{
  display: none;
  align-items:center;
  justify-content:center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #101820;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.menu-toggle__lines{
  position: relative;
  width: 18px;
  height: 12px;
  display:block;
}
.menu-toggle__lines span{
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background:#fff;
  border-radius:2px;
  transition: transform .35s cubic-bezier(.65,0,.35,1), top .35s cubic-bezier(.65,0,.35,1), opacity .35s ease;
}
.menu-toggle__lines span:first-child{ top:0; }
.menu-toggle__lines span:last-child{ top:100%; transform: translateY(-2px); }
.menu-toggle.is-open .menu-toggle__lines span:first-child{
  top:50%;
  transform: translateY(-50%) rotate(45deg);
}
.menu-toggle.is-open .menu-toggle__lines span:last-child{
  top:50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* ---------- Off-canvas mobile menu ---------- */
.mobile-menu-overlay{
  position: fixed;
  inset: 0;
  background: rgba(6,10,16,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease;
  z-index: 90;
}
.mobile-menu-overlay.is-open{
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu{
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: min(340px, 82vw);
  background: #0b0f14;
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(.65,0,.35,1);
  z-index: 100;
  display:flex;
  flex-direction:column;
  padding: 28px 32px;
}
.mobile-menu.is-open{
  transform: translateX(0);
}
.mobile-menu__close{
  align-self: flex-end;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  background: transparent;
  color: #fff;
  font-size: 22px;
  line-height:1;
  cursor: pointer;
  margin-bottom: 40px;
}
.mobile-menu__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap: 26px;
}
.mobile-menu__list a{
  color: #f2f4f6;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight:500;
  text-decoration:none;
}
.mobile-menu__list a:hover{ color: var(--cyan); }
body.menu-open{ overflow: hidden; }

/* ---------- Hero (image + intro strip share one continuous background) ---------- */
.hero{
  position: relative;
  width:100%;
  aspect-ratio: 1728 / 903;
  overflow: hidden;
  display:flex;
  flex-direction: column;
}
.hero-bg{
  position:absolute;
  left:0;
  right:0;
  top:-8%;
  height:116%;
  background-image: url('images/hero-bg.webp');
  background-size: cover;
  background-position: center top;
  will-change: transform;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    linear-gradient(180deg,
      rgba(38,44,110,0.68) 0%,
      rgba(34,56,122,0.64) 12%,
      rgba(28,68,124,0.60) 25%,
      rgba(24,72,112,0.62) 40%,
      rgba(18,64,92,0.68) 55%,
      rgba(9,44,58,0.78) 70%,
      rgba(5,25,35,0.88) 85%,
      rgba(0,0,1,0.96) 100%);
}
.hero-video{
  position:absolute;
  inset:0;
  z-index:0;
  width:100%;
  height:100%;
  object-fit: cover;
  object-position: center top;
}
.hero-content{
  position:relative;
  z-index:1;
  flex: 1;
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content:flex-end;
  text-align:center;
  padding-bottom: 3%;
}
.hero-eyebrow{
  font-family: var(--font-body);
  font-weight:400;
  font-size: clamp(12px, 1.4vw, 20px);
  letter-spacing: 5px;
  text-transform: uppercase;
  color: #eef1f4;
  margin: 0 0 0.4em;
}
.hero-title{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(56px, 10.5vw, 180px);
  line-height: 1.2;
  color: var(--cyan);
  margin: 0;
  white-space: nowrap;
}

/* ---------- Intro strip (transparent, sits on the hero background) ---------- */
.intro-strip{
  position:relative;
  z-index:1;
  color:#fff;
  text-align:left;
  border-top: 1px solid rgba(255,255,255,0.55);
}
.intro-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-top: 40px;
  padding-bottom: 40px;
  position:relative;
}
.intro-inner::before{
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:1px;
  background: rgba(255,255,255,0.55);
}
.intro-col-left{
  display:flex;
  align-items:center;
  gap: 24px;
  background: #000;
  border-radius: 10px;
  padding: 20px;
}
.intro-col-left img{
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink:0;
}
.intro-text p{
  font-size: 20px;
  line-height:1.55;
  margin: 0 0 18px;
  color: #f2f4f6;
}
.why-us-btn{
  display:inline-flex;
  align-items:center;
  gap: 14px;
  background:#fff;
  color: var(--text-dark);
  border:none;
  border-radius: 999px;
  padding: 6px 8px 6px 20px;
  font-weight:700;
  font-size: 14px;
  cursor:pointer;
  font-family: var(--font-body);
}
.why-us-btn .arrow-circle{
  width: 30px;
  height: 30px;
  border-radius:50%;
  background:#101820;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  flex: 0 0 30px;
}
.why-us-btn .arrow-circle svg{
  width: 14px;
  height: 14px;
  display:block;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.intro-col-right{
  display:flex;
  align-items:center;
}
.intro-col-right p{
  font-size: 20px;
  line-height:1.55;
  color: #e7ebee;
  margin:0;
}

/* ---------- Mission ---------- */
.mission{
  padding-top: 90px;
  padding-bottom: 70px;
}
.mission-headline{
  font-family: var(--font-body);
  font-weight:400;
  font-size: 46px;
  line-height:1.2;
  max-width: 1110px;
  color: var(--text-dark);
  margin: 0 0 60px;
}
.mission-headline .highlight{
  color: var(--cyan);
  font-weight:700;
}
.mission-bottom{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.about-us-label{
  font-size: 18px;
  color: var(--text-muted);
  margin:0;
}
.mission-info h3{
  font-family: var(--font-display);
  font-size: 20px;
  font-weight:700;
  margin: 0 0 14px;
}
.mission-info p{
  font-size: 18px;
  line-height:1.6;
  color: var(--text-dark);
  margin: 0 0 16px;
  max-width: 480px;
}

/* ---------- The Science (horizontal scroll hijack) ---------- */
.science-section{
  position: relative;
}
.science-heading{
  font-family: var(--font-display);
  font-size: 46px;
  font-weight:600;
  margin: 0;
  padding: 90px 0 28px 50px;
  background:#fff;
  position: relative;
  z-index: 1;
}
.science-sticky{
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 560px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  background:#fff;
}
.science-viewport{
  width:100%;
  overflow: hidden;
}
.science-track{
  display:flex;
  gap: 10px;
  padding-left: 10px;
  will-change: transform;
}
.science-card{
  flex: 0 0 auto;
  width: 75vw;
  border-radius: 18px;
  padding: 44px;
  display:flex;
  align-items:flex-start;
  gap: 40px;
  color: var(--text-dark);
  position:relative;
  overflow:hidden;
}
.card-teal{ background: var(--teal-card); }
.card-gold{ background: var(--gold-card); }
.card-terracotta{ background: var(--terracotta-card); }

.card-num{
  position:absolute;
  top: 30px;
  left: 44px;
  font-family: var(--font-display);
  font-size: 300px;
  font-weight:400;
  line-height:1;
  color: #14181d;
}
.card-body{
  margin-top: 300px;
  max-width: 450px;
  flex-shrink:0;
}
.card-body h3{
  font-family: var(--font-display);
  font-size: 46px;
  font-weight:500;
  line-height:1.25;
  margin: 0 0 140px;
}
.card-body p{
  font-size: 18px;
  line-height:1.6;
  margin:0;
  max-width: 450px;
}
.science-card img{
  width: 513px;
  height: 645px;
  max-width: 513px;
  object-fit: cover;
  border-radius: 14px;
  margin-left: auto;
  flex-shrink: 0;
}

/* ---------- What sets us apart ---------- */
.apart{
  padding-top: 90px;
  padding-bottom: 100px;
}
.apart h2{
  font-family: var(--font-display);
  font-size: 46px;
  font-weight:600;
  margin: 0 0 40px;
}
.apart-grid{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items:end;
}
.apart-images{
  display:flex;
  align-items:flex-end;
  gap: 22px;
}
.img-scientist{
  width: 62%;
  height: 500px;
  object-fit: cover;
  border-radius: 14px;
}
.img-vials{
  width: 34%;
  height: 300px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}
.apart-features{
  display:flex;
  flex-direction:column;
  gap: 36px;
}
.feature h4{
  font-size: 18px;
  font-weight:700;
  margin: 0 0 8px;
}
.feature p{
  font-size: 18px;
  line-height:1.6;
  color: var(--text-dark);
  margin:0;
  max-width: 420px;
}

/* ---------- Contact ---------- */
.contact{
  position:relative;
  width:100%;
  aspect-ratio: 1728 / 988;
  overflow:hidden;
}
.contact-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit: cover;
  z-index:1;
}
.contact-overlay{
  position:absolute;
  inset:0;
  z-index:2;
}
.contact-overlay h3{
  position:absolute;
  left: 40px;
  top: 12.6%;
  color:#fff;
  font-size: clamp(14px, 1.4vw, 20px);
  font-weight:700;
  margin:0;
}
.contact-form{
  position:absolute;
  left: 40px;
  top: 17%;
  width: min(430px, 32%);
  background:#fdfdfd;
  padding: 24px 26px 26px;
  border-radius: 4px;
  display:flex;
  flex-direction:column;
  gap: 16px;
}
.form-row{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}
.field{
  display:flex;
  flex-direction:column;
  gap: 6px;
  min-width: 0;
}
.field label{
  font-size: 14px;
  font-weight:700;
  color: var(--text-dark);
}
.field .req{ color:#d0393e; }
.field input,
.field textarea{
  width: 100%;
  font-family: var(--font-body);
  font-size: 13px;
  padding: 10px 12px;
  border: 1px solid #d7dade;
  border-radius: 3px;
  background:#fff;
  color: var(--text-dark);
}
.field textarea{
  min-height: 70px;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder{ color:#9aa2a9; }
.captcha-row{
  display:grid;
  grid-template-columns: minmax(96px, 1fr) minmax(76px, 0.8fr) 36px;
  gap: 8px;
  align-items:center;
}
.captcha-question{
  display:flex;
  align-items:center;
  min-height: 38px;
  padding: 9px 12px;
  border: 1px solid #d7dade;
  border-radius: 3px;
  background:#f3f5f7;
  color: var(--text-dark);
  font-size: 13px;
  font-weight:700;
}
.captcha-row input{ min-width: 0; }
.captcha-refresh{
  width: 36px;
  height: 38px;
  border: 1px solid #d7dade;
  border-radius: 3px;
  background:#fff;
  color: var(--text-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.captcha-refresh:hover{ background:#f3f5f7; }
.captcha-refresh svg{
  width: 17px;
  height: 17px;
  display:block;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.contact-submit{
  background:#0c0f12;
  color:#fff;
  border:none;
  border-radius: 3px;
  padding: 13px 20px;
  font-family: var(--font-body);
  font-weight:700;
  font-size: 14px;
  cursor:pointer;
  margin-top: 4px;
}
.contact-submit:hover{ background:#1c2126; }
.contact-submit:disabled{ opacity:0.6; cursor:not-allowed; }
.field-hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-status{ font-size:14px; min-height:1.2em; margin:0; }
.form-status--ok{ color:#2e7d32; }
.form-status--error{ color:#d0393e; }

/* ---------- Scroll reveal animations ---------- */
.reveal{
  opacity: 0;
  transform: translateY(34px);
  filter: blur(8px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1),
              transform .9s cubic-bezier(.16,1,.3,1),
              filter .9s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
  filter: blur(0);
}
.reveal-delay-1{ transition-delay: .12s; }
.reveal-delay-2{ transition-delay: .24s; }
.reveal-delay-3{ transition-delay: .36s; }

/* split-reveal: JS wraps each line/word in .split-line > .split-line__inner (mask + slide)
   and each word in .split-word > .split-word__inner */
.split-line,
.split-word{
  overflow: hidden;
  display: block;
}
.hero-title.split-reveal,
.science-heading.split-reveal{
  display:block;
}
.split-word{ display:inline-block; vertical-align:top; }
.split-line__inner,
.split-word__inner{
  display: inline-block;
  transform: translateY(115%);
  filter: blur(10px);
  opacity: 0;
  transition: transform .85s cubic-bezier(.16,1,.3,1),
              filter .85s cubic-bezier(.16,1,.3,1),
              opacity .7s ease-out;
  transition-delay: calc(var(--i, 0) * 60ms);
}
.split-reveal.is-visible .split-line__inner,
.split-reveal.is-visible .split-word__inner{
  transform: translateY(0);
  filter: blur(0);
  opacity: 1;
}

/* ---------- Hero parallax + reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .reveal{ transition:none; opacity:1; transform:none; filter:none; }
  .split-line__inner,
  .split-word__inner{ transition:none; transform:none; filter:none; opacity:1; }
  .hero-bg{ transform:none !important; }
  .nav-link__text{ transition:none; }
  .site-header,
  .mobile-menu,
  .mobile-menu-overlay,
  .menu-toggle__lines span{ transition:none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .wrap{ padding: 40px 15px; }
  .header-inner {
    padding: 10px 22px;
  }
  .main-nav{ display:none; }
  .menu-toggle{ display:flex; }
  .hero{ aspect-ratio: auto; min-height: auto; }
  .hero-content{ padding-top: 250px; }
  .intro-inner{ grid-template-columns: 1fr; gap: 24px; padding: 40px 0px; }
  .intro-inner::before{ display:none; }
  .mission-headline{ font-size: 24px; }
  .mission-bottom{ grid-template-columns: 1fr; gap: 30px; }
  .apart-grid{ grid-template-columns: 1fr; }
  .apart-images{ min-height: 350px; }
  h2 {font-size: 1.62rem !important; line-height: 1.3;}
  .science-section{ height: auto !important; padding: 0 20px; }
  .science-heading{ padding: 0 0 20px; }
  .science-sticky{
    position: static;
    height: auto;
    min-height: 0;
    justify-content: flex-start;
    overflow: visible;
  }
  .science-viewport{ overflow: visible; }
  .science-track{
    flex-direction: column;
    gap: 20px;
    padding-left: 0;
    transform: none !important;
  }
  .science-card{
    width: 100%;
    max-width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
    padding: 30px 24px;
  }
  .card-num{
    position: static;
    font-size: 80px;
  }
  .card-body{
    margin-top: 0;
    max-width: 100%;
  }
  .card-body h3{ font-size: 22px; margin-bottom: 14px; }
  .card-body p{ max-width: 100%; }
  .science-card img{
    width: 100%;
    height: 280px;
    max-width: 100%;
    margin-left: 0;
  }
  .contact-form{ width: min(430px, 60%); }
}

@media (max-width: 600px){
  .hero{
    display:block;
    background:#000;
  }
  .hero-bg{
    top:0;
    height: clamp(398px, 106vw, 430px);
    background-position: 55% top;
  }
  .hero-video{
    object-position: 55% top;
  }
  .hero-content{
    min-height: clamp(398px, 106vw, 430px);
    justify-content:flex-end;
    padding: 0 18px 18px;
  }
  .hero-eyebrow{
    font-size: 14px;
    letter-spacing: 1.4px;
    margin-bottom: 4px;
  }
  .hero-title{
    font-size: clamp(46px, 14.8vw, 62px);
  }
  .intro-strip{
    background:#000;
    border-top:0;
  }
  .intro-inner{
    gap: 27px;
    padding: 17px 20px 32px;
  }
  .intro-col-left{
    align-items:flex-start;
    gap: 16px;
    background:transparent;
    border-radius:0;
    padding:0;
  }
  .intro-col-left img{
    width:108px;
    height:108px;
    border-radius:7px;
  }
  .intro-text{
    padding-top: 3px;
  }
  .intro-text p{
    font-size: 14px;
    line-height: 1.27;
    margin-bottom: 14px;
  }
  .why-us-btn{
    gap: 12px;
    padding: 4px 5px 4px 17px;
    font-size: 13px;
    line-height: 1;
  }
  .why-us-btn .arrow-circle{
    width: 26px;
    height: 26px;
    flex-basis: 26px;
  }
  .why-us-btn .arrow-circle svg{
    width: 12px;
    height: 12px;
  }
  .intro-col-right{
    border-top: 1px solid rgba(255,255,255,0.72);
    padding-top: 18px;
  }
  .intro-col-right p{
    font-size: 14px;
    line-height: 1.4;
  }
  .contact{ aspect-ratio: auto; height: auto; padding-bottom: 40px; }
  .contact-bg{ position:absolute; height: 100%; }
  .contact-overlay{ position:relative; padding: 40px 0; }
  .contact-overlay h3{ position:static; display:block; padding: 0 22px 16px; }
  .contact-form{ position:static; width: calc(100% - 44px); margin: 0 22px; }
  .mission{
    display:flex;
    flex-direction:column;
    padding-top: 28px;
    padding-bottom: 38px;
  }
  .mission-bottom{
    display:contents;
  }
  .about-us-label{
    order:1;
    font-size: 14px;
    line-height: 1.2;
    color:#000;
    margin: 0 0 14px;
  }
  .mission-headline{
    order:2;
    font-size: 28px !important;
    line-height: 1.2;
    margin: 0 0 25px;
    max-width:none;
  }
  .mission-info{
    order:3;
  }
  .mission-info h3{
    font-size: 18px;
    line-height: 1.2;
    margin: 0 0 5px;
  }
  .mission-info p{
    font-size: 14px;
    line-height: 1.7;
    max-width:none;
    margin: 0 0 22px;
  }
  .mission-info p:last-child{
    margin-bottom:0;
  }
  .science-section{
    padding: 0;
  }
  .science-heading{
    padding: 0 18px 18px;
  }
  .science-track{
    gap: 16px;
  }
  .science-card{
    display:grid;
    grid-template-columns: 108px 1fr;
    grid-template-areas:
      "num title"
      "body body"
      "image image";
    align-items:center;
    gap: 23px 18px;
    border-radius: 0;
    padding: 21px 13px 16px;
    color:#000;
  }
  .card-num{
    grid-area:num;
    font-size: 98px;
    line-height: .86;
    color:#000;
  }
  .card-body{
    display:contents;
  }
  .card-body h3{
    grid-area:title;
    align-self:end;
    font-size: 20px;
    font-weight:400;
    line-height: 1.1;
    margin:0;
  }
  .card-body p{
    grid-area:body;
    font-size: 15px;
    line-height: 1.55;
    margin: -2px 9px 0;
    max-width:none;
  }
  .science-card img{
    grid-area:image;
    width:100%;
    height:411px;
    border-radius:5px;
    object-fit:cover;
  }
  .apart h2{
    font-size: 30px !important;
    line-height: 1.1;
    font-weight:400;
    margin: 0 0 24px;
  }
  .apart-grid{
    gap: 23px;
  }
  .apart-images{
    min-height: 310px;
    align-items:flex-end;
    gap: 11px;
  }
  .img-scientist{
    width: 66%;
    height: 310px;
    border-radius: 8px;
  }
  .img-vials{
    width: 34%;
    height: 155px;
    border-radius: 8px;
    box-shadow:none;
  }
  .apart-features{
    gap: 28px;
  }
  .feature h4{
    font-size: 15px;
    line-height: 1.25;
    margin-bottom: 5px;
  }
  .feature p{
    font-size: 15px;
    line-height: 1.55;
    max-width:none;
  }
  .field label { font-size: 14px;}
}