/* ============================================================
   MedTotal.ai — MedAI Technologies Private Limited
   Palette : ink #0B1220 · muted #56616F · line #E3E8EF
             paper #FFFFFF · tint #F4F7FA · blue #1668B3
   Type    : Instrument Sans (display) · Public Sans (body)
             IBM Plex Mono (labels)
   ============================================================ */

:root{
  --ink:#0b1220;
  --muted:#56616f;
  --line:#e3e8ef;
  --paper:#ffffff;
  --tint:#f4f7fa;
  --blue:#1668b3;
  --blue-deep:#0f4c87;
  --night:#050d1c;
  --sky:#5aa9e9;

  --rail:340px;
  --pad-x:clamp(24px,6vw,110px);
  --measure:70ch;

  --display:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:1.0625rem;
  line-height:1.72;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto;border-radius:20px}

a{color:inherit;text-decoration:none}

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:2px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--ink);color:#fff;padding:12px 18px;
  font-family:var(--mono);font-size:.75rem;
}
.skip-link:focus{left:12px;top:12px}

/* ── Shared type ──────────────────────────────────────────── */

.eyebrow{
  font-family:var(--mono);
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 1.1rem;
}

h1,h2,h3{
  font-family:var(--display);
  font-weight:600;
  letter-spacing:-.028em;
  line-height:1.06;
  margin:0;
  text-wrap:balance;
}

h2{
  font-size:clamp(1.85rem,3.3vw,2.6rem);
  line-height:1.1;
  margin-bottom:1.75rem;
}

p{margin:0 0 1.15rem;max-width:var(--measure)}
p:last-child{margin-bottom:0}

.accent{color:var(--blue)}

.lead{
  font-size:clamp(1.0625rem,1.5vw,1.25rem);
  line-height:1.68;
  color:var(--muted);
  max-width:62ch;
}
.lead--sm{font-size:1.0625rem;margin-bottom:2.75rem}

/* ── Layout shell ─────────────────────────────────────────── */

.shell{display:block}

.rail{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--rail);
  padding:44px 40px 40px;
  display:flex;
  flex-direction:column;
  gap:40px;
  border-right:1px solid var(--line);
  background:var(--paper);
  overflow-y:auto;
  z-index:10;
}

.rail__logo{width:172px}

.rail__role{
  margin:22px 0 0;
  font-size:.9375rem;
  line-height:1.55;
  color:var(--muted);
}

/* Nav */
.rail__nav{display:flex;flex-direction:column;gap:2px;margin-top:-6px}

.rail__nav a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:7px 0;
  font-size:.9375rem;
  color:var(--muted);
  transition:color .22s ease;
}
.rail__nav a:hover{color:var(--ink)}

.tick{
  width:16px;height:1px;flex:none;
  background:var(--line);
  transition:width .26s ease,background-color .26s ease;
}
.rail__nav a:hover .tick{width:26px;background:var(--muted)}

.rail__nav a.is-active{color:var(--ink);font-weight:500}
.rail__nav a.is-active .tick{width:30px;background:var(--blue)}

/* Rail footer */
.rail__foot{margin-top:auto}
.rail__foot .eyebrow{margin-bottom:.65rem}

.rail__contact{
  display:block;
  font-size:.9375rem;
  color:var(--muted);
  padding:2px 0;
  transition:color .2s ease;
}
.rail__contact:hover{color:var(--blue)}

.rail__copy{
  margin:26px 0 0;
  font-family:var(--mono);
  font-size:.6875rem;
  line-height:1.6;
  color:#8a94a2;
}

/* Content column */
.main{margin-left:var(--rail)}

.section{
  padding:clamp(72px,9vw,120px) var(--pad-x);
  border-top:1px solid var(--line);
}

.section--tint{background:var(--tint);border-top-color:transparent}

/* Keep the reading column sane on very wide screens.
   Zero-specificity parent so every component rule below still wins. */
:where(.section,.hero) > *{max-width:1140px}

/* ── Hero ─────────────────────────────────────────────────── */

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  min-height:min(88vh,760px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(90px,12vw,140px) var(--pad-x) clamp(72px,9vw,110px);
  background:var(--night);
  color:#fff;
}

/* image layer */
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:76% center;
}

/* legibility wash — opaque on the left, clears by the right edge
   so the figure in the artwork stays visible */
.hero::before{
  content:"";
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,
    var(--night) 0%,
    rgba(5,13,28,.94) 42%,
    rgba(5,13,28,.74) 60%,
    rgba(5,13,28,.22) 84%,
    rgba(5,13,28,.46) 100%);
}

.hero__content{position:relative;max-width:640px}

.hero .eyebrow{color:rgba(255,255,255,.56)}
.hero .accent{color:var(--sky)}
.hero .rule{background:var(--sky)}
.hero .lead{color:rgba(255,255,255,.74)}

.hero__title{
  font-size:clamp(2.5rem,6.2vw,4.5rem);
  letter-spacing:-.036em;
  max-width:16ch;
  color:#fff;
}

/* the dark block is its own divider */
.hero + .section{border-top:0}

.rule{
  display:block;
  width:64px;height:2px;
  background:var(--blue);
  margin:2.4rem 0 2.1rem;
  transform-origin:left;
}

/* ── Split (text + media) ─────────────────────────────────── */

.split{
  display:grid;
  grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);
  gap:clamp(28px,4vw,60px);
  align-items:start;
}
.split--reverse{grid-template-columns:minmax(0,1.15fr) minmax(0,0.85fr)}

.split__media img{
  width:100%;
  max-width:420px;
  border:1px solid var(--line);
  filter:grayscale(.12);
}

.split__body p{color:var(--muted);max-width:56ch}

/* ── Vision pillars ───────────────────────────────────────── */

.pillars{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}

.pillars li{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  font-size:1.0625rem;
  line-height:1.6;
}

.pillars__mark{
  width:8px;height:8px;flex:none;
  background:var(--blue);
  transform:translateY(-1px);
}

/* ── Offer cards ──────────────────────────────────────────── */

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(292px,1fr));
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}

.card{
  background:var(--paper);
  padding:clamp(26px,2.6vw,36px);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
  transition:background-color .25s ease;
}
.card::after{
  content:"";
  position:absolute;left:0;top:-1px;
  width:0;height:2px;
  background:var(--blue);
  transition:width .34s cubic-bezier(.22,.61,.36,1);
}
.card:hover{background:#fbfcfe}
.card:hover::after{width:100%}

.card h3{
  font-size:1.0625rem;
  letter-spacing:-.012em;
  line-height:1.35;
  margin-bottom:.85rem;
}

.card p{color:var(--muted);font-size:.9688rem;line-height:1.65;margin:0}

.card__tag{
  display:inline-block;
  margin-left:8px;
  vertical-align:middle;
  font-family:var(--mono);
  font-size:.625rem;
  font-weight:400;
  letter-spacing:.1em;
  color:var(--blue);
  border:1px solid rgba(22,104,179,.35);
  border-radius:2px;
  padding:2px 6px;
}

/* ── Founders ─────────────────────────────────────────────── */

.people{border-top:1px solid var(--line)}

.person{
  display:grid;
  grid-template-columns:minmax(0,0.6fr) minmax(0,1.4fr);
  gap:clamp(20px,4vw,56px);
  padding:34px 0;
  border-bottom:1px solid var(--line);
}

.person h3{font-size:1.25rem;margin-bottom:.5rem}
.person__id .eyebrow{margin:0}
.person__bio{color:var(--muted);font-size:1rem;margin:0;max-width:62ch}

/* ── Contact ──────────────────────────────────────────────── */

.section--contact{padding-bottom:clamp(60px,7vw,90px)}

.details{margin:0;border-top:1px solid var(--line)}

.details > div{
  display:grid;
  grid-template-columns:minmax(0,0.6fr) minmax(0,1.4fr);
  gap:clamp(20px,4vw,56px);
  padding:22px 0;
  border-bottom:1px solid var(--line);
}

.details dt{
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  padding-top:.35rem;
}

.details dd{margin:0;font-size:1.0625rem;line-height:1.6}

.details dd a{
  border-bottom:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease;
}
.details dd a:hover{color:var(--blue);border-bottom-color:var(--blue)}

.footnote{
  margin-top:40px;
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.05em;
  color:#8a94a2;
}

/* ── Reveal animation ─────────────────────────────────────── */

.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-in{opacity:1;transform:none}

.rule.reveal{transform:scaleX(0)}
.rule.reveal.is-in{transform:scaleX(1)}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width:1080px){
  :root{--rail:290px}
  .rail{padding:36px 30px 32px}
  .rail__logo{width:150px}
}

@media (max-width:900px){
  .rail{
    position:sticky;
    inset:0 auto auto 0;
    width:100%;
    height:auto;
    flex-direction:column;
    gap:0;
    padding:16px var(--pad-x) 0;
    border-right:0;
    border-bottom:1px solid var(--line);
    background:var(--paper);
    overflow:visible;
  }
  .rail__logo{width:128px}
  .rail__role,
  .rail__foot{display:none}

  .rail__nav{
    flex-direction:row;
    gap:22px;
    margin:12px calc(var(--pad-x) * -1) 0;
    padding:0 var(--pad-x);
    overflow-x:auto;
    scrollbar-width:none;
  }
  .rail__nav::-webkit-scrollbar{display:none}

  .rail__nav a{
    gap:0;
    padding:10px 0 12px;
    font-size:.875rem;
    white-space:nowrap;
    border-bottom:2px solid transparent;
  }
  .rail__nav .tick{display:none}
  .rail__nav a.is-active{border-bottom-color:var(--blue)}

  .main{margin-left:0}

  html{scroll-padding-top:104px}
  .section,.hero{scroll-margin-top:104px}

  .hero{
    min-height:clamp(430px,74vh,600px);
    padding-top:clamp(64px,14vw,96px);
  }
  .hero__bg img{object-position:70% center}
  .hero::before{
    background:linear-gradient(180deg,
      rgba(5,13,28,.86) 0%,
      rgba(5,13,28,.78) 45%,
      rgba(5,13,28,.92) 100%);
  }
  .hero__content{max-width:none}

  .split,
  .split--reverse{display:flex;flex-direction:column}
  .split__media{order:2}
  .split__media img{max-width:100%}

  .person,
  .details > div{grid-template-columns:1fr;gap:12px}
  .person{padding:28px 0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .rule.reveal{transform:none}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}