/* =========================================================
   CRIVO — Radiología Intervencionista
   Tokens
   ========================================================= */
:root{
  /* color */
  --ink:        #0E1F2E;
  --ink-soft:   #35505E;
  --muted:      #5C7580;
  --bg:         #F3F6F6;
  --panel:      #FFFFFF;
  --mist:       #DCE6E6;
  --teal:       #146B72;
  --teal-deep:  #0B4B51;
  --teal-pale:  #E4F0EF;
  --contrast:   #C1442D;
  --monitor:    #0B1F2B;

  /* type */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* layout */
  --wrap: 1180px;
  --radius: 14px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wordmark-logo{
  height: 28px;
  width: auto;
}

img, svg{ display:block; max-width:100%; }

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

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; color: var(--ink-soft); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin: 0 0 .9em;
  display: flex;
  align-items: center;
  gap: .5em;
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--teal);
  display:inline-block;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--ink); color:#fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus{ left: 16px; top: 16px; z-index: 999; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover{ background: var(--teal-deep); }
.btn-ghost{
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color:#fff; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(243,246,246,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--mist);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.wordmark{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--ink);
}
.wordmark-mark{
  width: 10px; height:10px;
  border-radius: 50%;
  background: var(--contrast);
  box-shadow: 0 0 0 4px var(--teal-pale);
}
.main-nav{ display:flex; gap: 34px; }
.main-nav a{
  font-size: 14.5px;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.main-nav a:hover{ color: var(--ink); }
.main-nav a::after{
  content:"";
  position:absolute; left:0; bottom:-4px;
  width:0; height:1px; background: var(--teal);
  transition: width .2s ease;
}
.main-nav a:hover::after{ width:100%; }

.nav-toggle{
  display:none;
  width: 38px; height:38px;
  border:none; background:transparent;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
  cursor:pointer;
}
.nav-toggle span{
  width: 20px; height: 2px; background: var(--ink); display:block;
  transition: transform .2s ease, opacity .2s ease;
}
.mobile-nav{
  display:none;
  flex-direction: column;
  padding: 6px 28px 20px;
  border-top: 1px solid var(--mist);
}
.mobile-nav a{
  padding: 12px 0;
  border-bottom: 1px solid var(--mist);
  font-size: 15px;
  color: var(--ink-soft);
}
.mobile-nav.is-open{ display:flex; }

/* =========================================================
   Hero
   ========================================================= */
.hero{ padding: 76px 0 96px; }
.hero-inner{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items:center;
}
.hero-title{
  font-size: clamp(38px, 4.6vw, 58px);
  color: var(--ink);
}
.hero-title em{
  font-style: italic;
  color: var(--teal-deep);
}
.hero-lede{
  font-size: 17px;
  max-width: 46ch;
}
.hero-actions{
  display:flex; gap:14px; flex-wrap:wrap;
  margin: 28px 0 34px;
}

.hero-tags{
  list-style:none; margin:0; padding:0;
  display:flex; flex-wrap:wrap; gap:10px;
}
.hero-tags li{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--teal-deep);
  background: var(--teal-pale);
  border: 1px solid #CFE6E4;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---- Signature: imaging monitor panel ---- */
.scan-panel{ position: relative; }
.scan-frame{
  position: relative;
  background: var(--monitor);
  border-radius: var(--radius);
  aspect-ratio: 520 / 460;
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(11,31,43,.45);
}
.scan-svg{
  position:absolute; inset:0;
  width:100%; height:100%;
  color: #4F8B90;
  opacity: .9;
}
.vessels path{ opacity:.55; }

/* --- Biopsia guiada --- */
.tissue{ opacity:.7; }

.lesion-halo{
  transform-origin: 250px 200px;
  animation: lesion-pulse 2.4s ease-in-out infinite;
}
@keyframes lesion-pulse{
  0%,100%{ transform: scale(1); opacity:.18; }
  50%    { transform: scale(1.35); opacity:.05; }
}

.reticle{
  transform-origin: 250px 200px;
  animation: reticle-spin 18s linear infinite;
}
@keyframes reticle-spin{
  to{ transform: rotate(360deg); }
}

.needle{
  animation: needle-advance 4s ease-in-out infinite;
}
@keyframes needle-advance{
  0%      { transform: translate(11px, 12px); }
  45%,90% { transform: translate(0, 0); }
  100%    { transform: translate(11px, 12px); }
}

.catheter{
  animation: flow 3.6s linear infinite;
}
@keyframes flow{
  to{ stroke-dashoffset: -160; }
}

@keyframes pulse{
  0%,100%{ transform: scale(1); opacity: 1; }
  50%{ transform: scale(1.9); opacity: .35; }
}

.scan-corner{
  position:absolute; width:22px; height:22px;
  border: 2px solid rgba(255,255,255,.35);
}
.scan-corner.tl{ top:14px; left:14px; border-right:none; border-bottom:none; }
.scan-corner.tr{ top:14px; right:14px; border-left:none; border-bottom:none; }
.scan-corner.bl{ bottom:14px; left:14px; border-right:none; border-top:none; }
.scan-corner.br{ bottom:14px; right:14px; border-left:none; border-top:none; }

.scan-readout{
  position:absolute;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(255,255,255,.8);
  letter-spacing: .04em;
  display:flex; align-items:center; gap:8px;
}
.scan-readout .dot{
  width:6px; height:6px; border-radius:50%;
  background: var(--contrast);
  box-shadow: 0 0 0 3px rgba(193,68,45,.25);
}
.scan-readout--top{ top:18px; left:48px; }
.scan-readout--bottom{
  bottom:18px; left:48px;
  flex-direction:column; align-items:flex-start; gap:2px;
}
.scan-readout--side{
  top:18px; right:48px;
  flex-direction:column; align-items:flex-end; gap:2px;
}
.scan-readout .label{ opacity:.55; font-size: 10px; }
.scan-readout .value{ color:#fff; }

.scan-caption{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin: 12px 4px 0;
}

/* =========================================================
   Specialties
   ========================================================= */
.specialties{ padding: 30px 0 100px; }
.section-head{ max-width: 620px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(28px, 3vw, 38px); }
.section-lede{ font-size: 15.5px; }

.card-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.spec-card{
  background: var(--panel);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.spec-card:hover{
  border-color: var(--teal);
  transform: translateY(-3px);
}
.spec-icon{
  width: 46px; height:46px;
  border-radius: 10px;
  background: var(--teal-pale);
  color: var(--teal-deep);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
}
.spec-icon svg{ width:22px; height:22px; }
.spec-card h3{ font-size: 19px; margin-bottom:.4em; }
.spec-card p{ font-size: 14.5px; margin-bottom: 1.4em; }
.card-link{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--teal-deep);
  display:inline-flex; align-items:center; gap:6px;
}
.card-link.is-disabled{
  color: var(--muted);
  cursor: default;
}

/* =========================================================
   Services
   ========================================================= */
.services{ padding: 30px 0 100px; }

.service-list{
  list-style:none; margin:0; padding:0;
  border-top: 1px solid var(--mist);
}
.service-item{
  display:grid;
  grid-template-columns: 64px 1fr auto;
  gap: 24px;
  align-items:start;
  padding: 28px 0;
  border-bottom: 1px solid var(--mist);
}
.service-num{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
  padding-top: 6px;
  transition: color .2s ease;
}
.service-item:hover .service-num{ color: var(--contrast); }

.service-body h3{ font-size: 21px; margin-bottom:.3em; }
.service-body p{ margin:0; max-width:62ch; font-size:15px; }

.service-tag{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--teal-deep);
  background: var(--teal-pale);
  border: 1px solid #CFE6E4;
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

/* =========================================================
   About
   ========================================================= */
.about{ padding: 30px 0 100px; }
.about-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 60px;
  align-items:stretch;
}
.about-copy h2{ font-size: clamp(26px, 3vw, 34px); max-width: 16ch; }
.about-panel{
  background: var(--monitor);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 26px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.panel-title{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 16px;
}
.panel-list{ list-style:none; margin:0; padding:0; }
.panel-list li{
  padding: 13px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  font-family: var(--font-mono);
  font-size: 14px;
}
.panel-list li:first-child{ border-top:none; }

/* =========================================================
   Contact
   ========================================================= */
.contact{ padding: 30px 0 110px; }
.contact-inner{
  background: var(--panel);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 44px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items:center;
}
.contact-list{ margin:0; display:grid; gap:18px; }
.contact-list dt{
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 2px;
}
.contact-list dd{ margin:0; font-size: 15px; color: var(--ink); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ border-top: 1px solid var(--mist); }
.footer-inner{
  padding: 26px 0;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap: wrap; gap: 10px;
}
.wordmark--footer{ font-size: 15px; }
.footer-inner p{ margin:0; font-size: 13px; color: var(--muted); }

.social{ display:flex; gap:10px; }
.social a{
  width: 38px; height: 38px;
  display:flex; align-items:center; justify-content:center;
  border: 1px solid var(--mist);
  border-radius: 50%;
  color: var(--teal-deep);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.social a:hover{
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}
.social svg{ width: 18px; height: 18px; }

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; gap: 44px; }
  .about-inner{ grid-template-columns: 1fr; }
  .card-grid{ grid-template-columns: 1fr 1fr; }
  .contact-inner{ grid-template-columns: 1fr; }
}

@media (max-width: 700px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .card-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 44px 0 64px; }
  .contact-inner{ padding: 30px; }
  .service-item{ grid-template-columns: 40px 1fr; gap: 14px; }
  .service-tag{ grid-column: 2; justify-self: start; }
}

.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }