/* ============================================================
   CORMA — Medical AInnovation · landing page
   ============================================================ */

/* ---- Design tokens ---- */
:root {
  --teal-900:#0C353B;
  --teal-800:#103A40;
  --teal-700:#134E56;
  --brand:#1D6E78;
  --teal-600:#2A8791;
  --teal-500:#3C9AA4;
  --teal-400:#6FBEC4;
  --teal-300:#A6D7DA;
  --teal-100:#E4F2F3;

  --ink:#0E2A2E;
  --slate:#566B6D;
  --bg:#FFFFFF;
  --bg-soft:#F1F6F6;
  --line:rgba(14,42,46,.10);
  --glow:#5FE3DA;

  --font-display:"Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --container:1180px;
  --radius:22px;
  --radius-sm:14px;
  --shadow-sm:0 4px 18px rgba(14,42,46,.07);
  --shadow-md:0 18px 44px rgba(14,42,46,.12);
  --shadow-lg:0 30px 70px rgba(12,53,59,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:74px;
}

/* ---- Reset ---- */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
ul,ol { list-style:none; }
button { font:inherit; cursor:pointer; border:0; background:none; color:inherit; }
h1,h2,h3,h4 { font-family:var(--font-display); line-height:1.12; font-weight:700; letter-spacing:-.02em; }
::selection { background:var(--brand); color:#fff; }

.container { width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }

section[id], [id].hero { scroll-margin-top:90px; }

.skip-link {
  position:absolute; left:16px; top:-60px; z-index:200;
  background:var(--brand); color:#fff; padding:10px 18px;
  border-radius:10px; transition:top .2s var(--ease);
}
.skip-link:focus { top:14px; }

:focus-visible { outline:3px solid var(--teal-500); outline-offset:3px; border-radius:6px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position:fixed; inset:0 0 auto 0; z-index:100;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.site-header.is-scrolled {
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 30px rgba(14,42,46,.08);
  border-bottom-color:var(--line);
}
.header__inner {
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; height:var(--header-h);
}
.brand { display:flex; align-items:center; gap:10px; }
.brand__logo { height:38px; width:auto; }
.brand__tag {
  font-family:var(--font-display); font-size:.66rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--brand);
  padding-left:12px; border-left:1px solid var(--line);
}
@media (max-width:560px){ .brand__tag{ display:none; } }

.nav__list { display:flex; align-items:center; gap:6px; }
.nav__link {
  font-weight:500; font-size:.97rem; padding:10px 16px; border-radius:10px;
  color:var(--ink); transition:background .2s var(--ease), color .2s var(--ease);
}
.nav__link:hover { background:var(--teal-100); color:var(--brand); }
.nav__link--cta {
  background:linear-gradient(135deg,var(--teal-600),var(--brand));
  color:#fff; font-weight:600; padding:11px 22px; margin-left:8px;
  box-shadow:0 8px 20px rgba(29,110,120,.28);
}
.nav__link--cta:hover { background:linear-gradient(135deg,var(--teal-500),var(--teal-600)); color:#fff; transform:translateY(-1px); }

.header__tools { display:flex; align-items:center; gap:14px; }

/* language switch */
.lang { display:flex; gap:2px; padding:3px; background:var(--bg-soft); border:1px solid var(--line); border-radius:999px; }
.lang__btn {
  font-family:var(--font-display); font-size:.78rem; font-weight:600;
  padding:6px 12px; border-radius:999px; color:var(--slate);
  transition:background .2s var(--ease), color .2s var(--ease);
}
.lang__btn:hover { color:var(--brand); }
.lang__btn.is-active { background:linear-gradient(135deg,var(--teal-600),var(--brand)); color:#fff; }

/* hamburger */
.menu-toggle { display:none; width:44px; height:44px; border-radius:12px; position:relative; }
.menu-toggle span {
  position:absolute; left:11px; right:11px; height:2px; background:var(--ink);
  border-radius:2px; transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.menu-toggle span:nth-child(1){ top:15px; }
.menu-toggle span:nth-child(2){ top:21px; }
.menu-toggle span:nth-child(3){ top:27px; }
.site-header.is-open .menu-toggle span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.site-header.is-open .menu-toggle span:nth-child(2){ opacity:0; }
.site-header.is-open .menu-toggle span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position:relative; isolation:isolate; overflow:hidden;
  padding:calc(var(--header-h) + 70px) 0 90px;
  background:
    radial-gradient(120% 90% at 88% 8%, var(--teal-700) 0%, transparent 55%),
    linear-gradient(160deg, var(--teal-900) 0%, var(--teal-800) 45%, #0a2f34 100%);
  color:#fff;
}
.hero__bg { position:absolute; inset:0; z-index:-1; }
.hero__grid {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(110% 80% at 50% 0%, #000 35%, transparent 78%);
          mask-image:radial-gradient(110% 80% at 50% 0%, #000 35%, transparent 78%);
}
.hero__glow { position:absolute; border-radius:50%; filter:blur(90px); opacity:.55; }
.hero__glow--1 { width:480px; height:480px; top:-160px; right:-80px;
  background:radial-gradient(circle, var(--glow), transparent 70%); opacity:.30; }
.hero__glow--2 { width:520px; height:520px; bottom:-220px; left:-140px;
  background:radial-gradient(circle, var(--teal-500), transparent 70%); opacity:.40; }

.hero__inner {
  display:grid; grid-template-columns:1.05fr .95fr; align-items:center; gap:54px;
}
.hero__content { max-width:620px; }
.hero__title {
  font-size:clamp(2.5rem, 1.4rem + 3.6vw, 4.15rem);
  font-weight:800; margin:18px 0 22px;
}
.hero__title .hl {
  background:linear-gradient(120deg,#fff 0%, var(--teal-300) 55%, var(--glow) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero__subtitle {
  font-size:1.12rem; color:rgba(255,255,255,.80); max-width:520px;
}
.hero__actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

/* eyebrow / kicker */
.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-size:.78rem; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase; color:var(--brand);
}
.eyebrow--light { color:var(--teal-300); }
.eyebrow__num {
  font-size:.72rem; padding:3px 9px; border-radius:999px;
  background:var(--teal-100); color:var(--brand);
}
.eyebrow--light .eyebrow__num { background:rgba(255,255,255,.12); color:var(--teal-300); }
.eyebrow__dot {
  width:8px; height:8px; border-radius:50%; background:var(--glow);
  box-shadow:0 0 0 4px rgba(95,227,218,.22); animation:pulse 2.6s var(--ease) infinite;
}

/* buttons */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-family:var(--font-display); font-weight:600; font-size:1rem;
  padding:14px 28px; border-radius:999px;
  transition:transform .2s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  will-change:transform;
}
.btn--primary {
  background:linear-gradient(135deg,var(--teal-500),var(--brand));
  color:#fff; box-shadow:0 12px 30px rgba(29,110,120,.40);
}
.btn--primary:hover { transform:translateY(-3px); box-shadow:0 18px 40px rgba(29,110,120,.52); }
.btn--ghost {
  border:1.5px solid rgba(255,255,255,.30); color:#fff;
  background:rgba(255,255,255,.04);
}
.btn--ghost:hover { background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.6); transform:translateY(-3px); }
.btn--lg { padding:17px 38px; font-size:1.06rem; }

/* ---- hero visual / scanner ---- */
.hero__visual { position:relative; display:grid; place-items:center; min-height:420px; }
.scanner {
  position:relative; width:clamp(260px, 30vw, 380px); aspect-ratio:1;
  border-radius:50%; display:grid; place-items:center;
  background:radial-gradient(circle at 50% 50%, rgba(95,227,218,.10), rgba(10,47,52,.5) 70%);
  box-shadow:inset 0 0 60px rgba(0,0,0,.35), 0 30px 70px rgba(0,0,0,.35);
  animation:floaty 7s ease-in-out infinite;
}
.scanner__ring { position:absolute; border-radius:50%; border:1px solid rgba(255,255,255,.14); }
.scanner__ring--1 { inset:4%; border-style:dashed; border-color:rgba(166,215,218,.35); animation:spin 26s linear infinite; }
.scanner__ring--2 { inset:20%; border-color:rgba(255,255,255,.16); }
.scanner__ring--3 { inset:34%; border-color:rgba(255,255,255,.10); }
.scanner__sweep {
  position:absolute; inset:4%; border-radius:50%;
  background:conic-gradient(from 0deg, transparent 0 72%, rgba(95,227,218,.45) 90%, rgba(95,227,218,.05) 100%);
  animation:spin 5s linear infinite;
}
.scanner__cross::before, .scanner__cross::after {
  content:""; position:absolute; background:rgba(255,255,255,.10);
}
.scanner__cross::before { inset:20% 50% 20% 50%; width:1px; transform:translateX(-.5px); }
.scanner__cross::after { inset:50% 20% 50% 20%; height:1px; transform:translateY(-.5px); }
.scanner__net { position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.scanner__links line { stroke:rgba(166,215,218,.45); stroke-width:1.4; }
.scanner__nodes circle {
  fill:var(--glow); filter:drop-shadow(0 0 6px rgba(95,227,218,.8));
  transform-origin:center; transform-box:fill-box;
  animation:nodepulse 3s ease-in-out infinite;
}
.scanner__nodes circle:nth-child(2){ animation-delay:.5s; }
.scanner__nodes circle:nth-child(3){ animation-delay:1s; }
.scanner__nodes circle:nth-child(4){ animation-delay:1.6s; }
.scanner__core {
  position:relative; width:38%; aspect-ratio:1; display:grid; place-items:center;
  border-radius:50%;
  background:radial-gradient(circle, rgba(95,227,218,.22), transparent 72%);
}
.scanner__core .molecule {
  width:100%; fill:#fff;
  filter:drop-shadow(0 0 14px rgba(95,227,218,.65));
  animation:pulse 4s var(--ease) infinite;
}

/* floating chips */
.chip {
  position:absolute; display:flex; align-items:center; gap:9px;
  padding:10px 15px; border-radius:14px;
  background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  font-family:var(--font-display); font-size:.84rem; font-weight:600; color:#fff;
  box-shadow:0 16px 30px rgba(0,0,0,.28);
  animation:floaty 6s ease-in-out infinite;
}
.chip__icon { width:18px; height:18px; fill:none; stroke:var(--glow); stroke-width:1.8;
  stroke-linecap:round; stroke-linejoin:round; }
.chip--1 { top:8%; left:-4%; animation-delay:0s; }
.chip--2 { top:44%; right:-8%; animation-delay:1.4s; }
.chip--3 { bottom:6%; left:6%; animation-delay:2.6s; }
@media (max-width:1080px){ .chip--1{ left:0; } .chip--2{ right:-2%; } }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding:104px 0; }
.section--alt { background:var(--bg-soft); }
.section__head { max-width:680px; margin-bottom:54px; }
.section__title {
  font-size:clamp(2rem, 1.3rem + 2.4vw, 3rem); margin:16px 0 16px;
}
.section__lead { font-size:1.12rem; color:var(--slate); }

/* ---- cards ---- */
.cards { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.card {
  position:relative; background:var(--bg); border:1px solid var(--line);
  border-radius:var(--radius); padding:34px 30px 32px;
  box-shadow:var(--shadow-sm); overflow:hidden;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card::before {
  content:""; position:absolute; inset:0 0 auto 0; height:4px;
  background:linear-gradient(90deg,var(--teal-500),var(--brand));
  transform:scaleX(0); transform-origin:left; transition:transform .35s var(--ease);
}
.card:hover { transform:translateY(-8px); box-shadow:var(--shadow-md); border-color:transparent; }
.card:hover::before { transform:scaleX(1); }
.card__icon {
  width:60px; height:60px; border-radius:16px; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--teal-600),var(--brand));
  box-shadow:0 12px 24px rgba(29,110,120,.32); margin-bottom:22px;
  transition:transform .3s var(--ease);
}
.card:hover .card__icon { transform:scale(1.08) rotate(-4deg); }
.card__icon svg { width:30px; height:30px; fill:none; stroke:#fff; stroke-width:1.8;
  stroke-linecap:round; stroke-linejoin:round; }
.card__title { font-size:1.28rem; color:var(--brand); margin-bottom:12px; }
.card__text { color:var(--slate); font-size:1rem; }

/* ---- methodology steps ---- */
.steps {
  position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.steps::before {
  content:""; position:absolute; left:7%; right:7%; top:34px; height:2px;
  background:linear-gradient(90deg,var(--teal-300),var(--brand));
  z-index:0;
}
.step { position:relative; z-index:1; }
.step__index {
  display:grid; place-items:center; width:54px; height:54px; margin:0 auto 18px;
  border-radius:50%; font-family:var(--font-display); font-weight:700; font-size:1.05rem;
  color:#fff; background:linear-gradient(135deg,var(--teal-500),var(--brand));
  box-shadow:0 10px 22px rgba(29,110,120,.34), 0 0 0 6px var(--bg-soft);
}
.step__body {
  background:var(--bg); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:24px 20px; min-height:118px; display:flex; align-items:center; justify-content:center;
  text-align:center; box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step:hover .step__body { transform:translateY(-6px); box-shadow:var(--shadow-md); }
.step__title { font-size:1.06rem; color:var(--ink); }
.step:nth-child(1) .step__index { background:linear-gradient(135deg,var(--teal-400),var(--teal-500)); }
.step:nth-child(4) .step__index { background:linear-gradient(135deg,var(--brand),var(--teal-800)); }
.step:nth-child(4) .step__body { background:linear-gradient(135deg,var(--brand),var(--teal-700)); border-color:transparent; }
.step:nth-child(4) .step__title { color:#fff; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  position:relative; isolation:isolate; overflow:hidden;
  padding:108px 0; color:#fff; text-align:center;
  background:
    radial-gradient(100% 80% at 50% 0%, var(--teal-700) 0%, transparent 60%),
    linear-gradient(160deg,var(--teal-900),var(--teal-800));
}
.contact__bg { position:absolute; inset:0; z-index:-1; }
.contact__inner { max-width:680px; }
.contact__title { font-size:clamp(1.9rem,1.3rem + 2.2vw,2.85rem); margin:14px 0 18px; }
.contact__text { color:rgba(255,255,255,.78); font-size:1.12rem; margin-bottom:34px; }
.contact .eyebrow { justify-content:center; }
.contact__meta {
  display:flex; justify-content:center; flex-wrap:wrap; gap:14px 34px; margin-top:34px;
}
.contact__meta li { display:flex; align-items:center; gap:10px; color:rgba(255,255,255,.82); font-size:.98rem; }
.contact__meta svg { width:20px; height:20px; fill:none; stroke:var(--teal-300);
  stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
.contact__meta a:hover { color:var(--glow); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background:var(--teal-900); color:rgba(255,255,255,.74); }
.footer__inner {
  display:grid; grid-template-columns:1.5fr 1fr 1.6fr; gap:48px;
  padding:64px 24px 44px;
}
.footer__brand img { height:42px; width:auto; margin-bottom:14px; }
.footer__tag {
  font-family:var(--font-display); font-size:.68rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--teal-300); margin-bottom:14px;
}
.footer__desc { font-size:.96rem; max-width:330px; }
.site-footer h4 {
  font-size:.8rem; letter-spacing:.14em; text-transform:uppercase;
  color:#fff; margin-bottom:18px;
}
.footer__nav { display:flex; flex-direction:column; gap:11px; }
.footer__nav a { font-size:.98rem; transition:color .2s var(--ease); width:fit-content; }
.footer__nav a:hover { color:var(--glow); }
.footer__contact a { color:var(--teal-300); font-weight:600; }
.footer__contact a:hover { color:var(--glow); }
.footer__contact p { font-size:.95rem; margin-top:8px; }
.footer__partner {
  display:flex; gap:14px; margin-top:22px; padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
}
.footer__partner-mark {
  flex-shrink:0; align-self:flex-start; display:inline-flex;
  background:#fff; padding:10px 13px; border-radius:10px;
}
.footer__partner-mark img { height:48px; width:auto; display:block; }
.footer__partner p { font-size:.86rem; line-height:1.55; }
.footer__bottom {
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
  padding:22px 24px; border-top:1px solid rgba(255,255,255,.10);
}
.footer__copy { font-size:.9rem; }
.lang--footer { background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.12); }
.lang--footer .lang__btn { color:rgba(255,255,255,.6); }
.lang--footer .lang__btn:hover { color:#fff; }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity:1; transform:none; }
.cards .card:nth-child(2){ transition-delay:.10s; }
.cards .card:nth-child(3){ transition-delay:.20s; }
.steps .step:nth-child(2){ transition-delay:.08s; }
.steps .step:nth-child(3){ transition-delay:.16s; }
.steps .step:nth-child(4){ transition-delay:.24s; }

/* ---- keyframes ---- */
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes pulse { 0%,100%{ transform:scale(1); opacity:1; } 50%{ transform:scale(1.06); opacity:.85; } }
@keyframes nodepulse { 0%,100%{ transform:scale(1); opacity:.9; } 50%{ transform:scale(1.5); opacity:1; } }
@keyframes floaty { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-12px); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .hero__inner { grid-template-columns:1fr; gap:50px; }
  .hero__content { max-width:none; }
  .hero__visual { order:-1; min-height:340px; }
  .cards { grid-template-columns:1fr; }
  .footer__inner { grid-template-columns:1fr 1fr; }
  .footer__brand { grid-column:1/-1; }

  /* mobile steps -> vertical */
  .steps { grid-template-columns:1fr; gap:16px; }
  .steps::before { left:34px; right:auto; top:8%; bottom:8%; width:2px; height:auto;
    background:linear-gradient(180deg,var(--teal-300),var(--brand)); }
  .step { display:flex; align-items:center; gap:20px; }
  .step__index { margin:0; flex-shrink:0; }
  .step__body { flex:1; min-height:0; text-align:left; justify-content:flex-start; padding:18px 22px; }
}

@media (max-width:900px){
  .menu-toggle { display:block; }
  .nav__list {
    position:fixed; inset:var(--header-h) 0 auto 0;
    flex-direction:column; align-items:stretch; gap:6px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
    padding:18px 24px 26px; border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(14,42,46,.14);
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition:transform .28s var(--ease), opacity .28s var(--ease);
  }
  .site-header.is-open .nav__list { transform:none; opacity:1; pointer-events:auto; }
  .nav__link { padding:14px 16px; font-size:1.05rem; }
  .nav__link--cta { margin-left:0; margin-top:6px; text-align:center; }
}

@media (max-width:620px){
  body { font-size:16px; }
  .section { padding:74px 0; }
  .contact { padding:78px 0; }
  .hero { padding:calc(var(--header-h) + 44px) 0 70px; }
  .footer__inner { grid-template-columns:1fr; gap:34px; }
  .footer__bottom { flex-direction:column; align-items:flex-start; }
  .btn { width:100%; }
  .hero__actions { width:100%; }
}

/* ---- reduced motion ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after { animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .reveal { opacity:1; transform:none; }
}