/* Dental ProOdonto — sistema visual "sala de operação noturna"
   Tokens e componentes conforme DESIGN.md */

:root{
  --void:oklch(0.155 0.018 192);
  --surface:oklch(0.205 0.022 192);
  --surface-hi:oklch(0.255 0.026 192);
  --line:oklch(0.34 0.02 192);
  --line-soft:oklch(0.28 0.018 192);
  --teal:oklch(0.72 0.13 176);
  --teal-hi:oklch(0.84 0.14 174);
  --amber:oklch(0.79 0.14 68);
  --ink:oklch(0.96 0.008 192);
  --ink-mid:oklch(0.76 0.014 192);
  --ink-low:oklch(0.6 0.014 192);

  --sans:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --mono:"Martian Mono",ui-monospace,monospace;

  --pad:clamp(1.15rem,4.5vw,5rem);
  --ease:cubic-bezier(.16,1,.3,1);

  --step--1:clamp(.78rem,.76rem + .1vw,.84rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.075rem);
  --step-1:clamp(1.35rem,1.2rem + .7vw,1.7rem);
  --step-2:clamp(1.85rem,1.5rem + 1.6vw,2.9rem);
  --step-3:clamp(2.1rem,1.55rem + 2.5vw,3.7rem);
  --step-4:clamp(2.3rem,1.6rem + 3.2vw,4.6rem);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--void);color:var(--ink);
  font-family:var(--sans);font-weight:325;font-stretch:100%;
  font-size:var(--step-0);line-height:1.65;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--teal-hi);outline-offset:3px;border-radius:2px}
::selection{background:var(--teal);color:var(--void)}
section[id]{scroll-margin-top:5rem}

/* ---------- atmosfera: aurora + grade técnica + grão ---------- */
.atmos{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aurora{position:absolute;border-radius:50%;filter:blur(80px);will-change:transform}
.aurora.a{
  width:min(72vw,860px);aspect-ratio:1;top:-28vh;right:-14vw;
  background:radial-gradient(circle,oklch(0.72 0.13 176/.34),transparent 68%);
  animation:drift-a 52s var(--ease) infinite alternate;
}
.aurora.b{
  width:min(58vw,680px);aspect-ratio:1;bottom:-22vh;left:-12vw;
  background:radial-gradient(circle,oklch(0.79 0.14 68/.16),transparent 68%);
  animation:drift-b 64s var(--ease) infinite alternate;
}
@keyframes drift-a{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-7vw,9vh,0) scale(1.16)}
  100%{transform:translate3d(4vw,4vh,0) scale(.94)}
}
@keyframes drift-b{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(9vw,-7vh,0) scale(1.2)}
  100%{transform:translate3d(-3vw,-3vh,0) scale(.96)}
}
.grid-lines{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,
    oklch(0.34 0.02 192/.22) 0 1px,transparent 1px calc(100%/6));
  mask-image:linear-gradient(180deg,transparent,#000 8%,#000 82%,transparent);
}
.grain{
  position:absolute;inset:0;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}
.shell{position:relative;z-index:1}

/* ---------- tipografia ---------- */
.display{
  font-stretch:118%;font-weight:700;line-height:.94;letter-spacing:-.035em;
  text-transform:uppercase;text-wrap:balance;
}
h1.display{font-size:var(--step-4)}
h2.display{font-size:var(--step-3)}
h3{font-stretch:108%;font-weight:600;letter-spacing:-.02em;line-height:1.12;font-size:var(--step-1)}
.label{
  font-family:var(--mono);font-size:.66rem;font-stretch:87.5%;font-weight:400;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-low);line-height:1.4;
}
.label-teal{color:var(--teal-hi)}
.lede{font-size:clamp(1.02rem,.98rem + .3vw,1.2rem);color:var(--ink-mid);max-width:56ch}
p{max-width:70ch}
.mono{font-family:var(--mono);font-stretch:87.5%;font-size:.9em;letter-spacing:.02em}
.amber{color:var(--amber)}

/* ---------- header ---------- */
.progress{
  position:fixed;top:0;left:0;height:2px;width:100%;z-index:60;
  background:linear-gradient(90deg,var(--teal),var(--teal-hi));
  transform-origin:0 50%;transform:scaleX(0);
}
@supports (animation-timeline:scroll()){
  .progress{animation:bar linear;animation-timeline:scroll(root block)}
  @keyframes bar{to{transform:scaleX(1)}}
}
header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.1rem var(--pad);
  background:oklch(0.155 0.018 192/.72);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:padding .5s var(--ease),background .5s var(--ease),border-color .5s var(--ease);
}
header.tight{padding:.6rem var(--pad);background:oklch(0.155 0.018 192/.93);border-bottom-color:var(--line-soft)}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand img{width:38px;height:38px;border-radius:50%;transition:width .5s var(--ease),height .5s var(--ease)}
header.tight .brand img{width:32px;height:32px}
.brand b{
  display:block;font-stretch:112%;font-weight:700;font-size:.95rem;
  letter-spacing:-.01em;text-transform:uppercase;line-height:1.1;
}
.brand .label{font-size:.58rem;margin-top:.1rem}
nav{display:flex;align-items:center;gap:1.6rem}
nav a.nav-link{
  font-family:var(--mono);font-size:.68rem;font-stretch:87.5%;letter-spacing:.14em;
  text-transform:uppercase;text-decoration:none;color:var(--ink-mid);
  padding:.35rem 0;position:relative;transition:color .3s var(--ease);
}
nav a.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--teal-hi);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .45s var(--ease);
}
nav a.nav-link:hover{color:var(--ink)}
nav a.nav-link:hover::after{transform:scaleX(1)}
@media(max-width:900px){.hide-sm{display:none!important}}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  min-height:44px;padding:.75rem 1.3rem;border:0;border-radius:999px;cursor:pointer;
  font-family:var(--sans);font-size:.86rem;font-weight:600;font-stretch:104%;
  letter-spacing:.01em;text-decoration:none;
  background:var(--teal);color:oklch(0.16 0.02 190);
  transition:transform .4s var(--ease),background .4s var(--ease),color .4s var(--ease);
}
.btn:hover{background:var(--teal-hi);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn.line{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.line:hover{background:var(--surface-hi);border-color:var(--teal);color:var(--teal-hi)}
@media(max-width:560px){
  header{padding:.7rem var(--pad);gap:.6rem}
  .brand img{width:32px;height:32px}
  .brand b{font-size:.82rem;font-stretch:104%;white-space:nowrap}
  .brand .label{display:none}
  .btn{padding:.6rem .9rem;font-size:.78rem;white-space:nowrap}
}

/* ---------- estrutura ---------- */
section{padding:clamp(3.5rem,8vw,7rem) var(--pad);position:relative}
.sec-head{max-width:62ch;margin-bottom:clamp(2rem,4.5vw,3.5rem)}
.sec-head h2{margin:.9rem 0 1rem}
.sec-head p{color:var(--ink-mid)}
.rule{height:1px;background:var(--line-soft);border:0}

/* ---------- fotografia ----------
   As fotos entram rebaixadas e levemente dessaturadas para não brigar
   com a aurora; ganham vida no hover. */
.shot{position:relative;overflow:hidden;background:var(--surface);margin:0}
.shot img{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(.3) saturate(.85) contrast(1.06) brightness(.68);
  transition:transform 1.3s var(--ease),filter .9s var(--ease);
}
.shot::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(185deg,oklch(0.155 0.018 192/.1) 20%,oklch(0.155 0.018 192/.82)),
    radial-gradient(120% 90% at 72% 12%,oklch(0.72 0.13 176/.2),transparent 62%);
}
.shot:hover img{transform:scale(1.035);filter:grayscale(.08) saturate(1) contrast(1.04) brightness(.82)}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:1rem 1.1rem;display:flex;gap:.6rem;align-items:baseline;
}
.shot figcaption .n{color:var(--amber)}
.shot figcaption .t{color:var(--ink)}

/* tríptico full-bleed */
.gallery{
  display:grid;grid-template-columns:1.05fr .8fr .85fr;gap:1px;
  background:var(--line-soft);
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  grid-auto-rows:clamp(250px,30vw,430px);
}
.gallery .shot{height:100%}
.gallery.duo{grid-template-columns:1fr 1fr}
@media(max-width:880px){
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:clamp(210px,32vw,320px)}
  .gallery .shot:nth-child(3){grid-column:span 2}
  .gallery.duo .shot:nth-child(3){grid-column:auto}
}
@media(max-width:520px){
  .gallery,.gallery.duo{grid-template-columns:1fr;grid-auto-rows:230px}
  .gallery .shot:nth-child(3){grid-column:auto}
}

/* ---------- marquee ---------- */
.marquee{
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  padding:1.4rem 0;overflow:hidden;background:oklch(0.205 0.022 192/.45);
  --mq-duration:44s;
}
.marquee-track{display:flex;width:max-content}
.marquee-track.dup{animation:slide var(--mq-duration) linear infinite}
.marquee:hover .marquee-track.dup{animation-play-state:paused}
.marquee-group{display:flex;align-items:center;gap:clamp(2rem,4vw,3.5rem);padding-right:clamp(2rem,4vw,3.5rem)}
.marquee-group span{
  font-stretch:112%;font-weight:600;font-size:clamp(1rem,1.6vw,1.35rem);
  text-transform:uppercase;letter-spacing:.02em;color:var(--ink-mid);white-space:nowrap;
  transition:color .35s var(--ease);
}
.marquee-group span:hover{color:var(--teal-hi)}
.marquee-group i{width:5px;height:5px;border-radius:50%;background:var(--amber);opacity:.75;flex:0 0 auto}
@keyframes slide{to{transform:translate3d(-50%,0,0)}}

/* ---------- régua de dados ---------- */
.rail{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line-soft);
}
.rail > div{padding:1.5rem var(--pad);border-left:1px solid var(--line-soft)}
.rail > div:first-child{border-left:0}
.rail dt{margin-bottom:.5rem}
.rail dd{font-stretch:112%;font-weight:600;font-size:clamp(1.15rem,2vw,1.6rem);line-height:1.1;letter-spacing:-.02em}
.rail dd .unit{font-size:.62em;color:var(--ink-low);font-weight:400;letter-spacing:0}
@media(max-width:900px){
  .rail{grid-template-columns:repeat(2,1fr)}
  .rail > div{border-top:1px solid var(--line-soft)}
  .rail > div:nth-child(odd){border-left:0}
  .rail > div:nth-child(-n+2){border-top:0}
}
@media(max-width:520px){.rail{grid-template-columns:1fr}.rail > div{border-left:0}}

/* ---------- índice (catálogo / cursos) ---------- */
.index{border-top:1px solid var(--line-soft);list-style:none}
.index li{border-bottom:1px solid var(--line-soft);position:relative;overflow:hidden}
.index li::before{
  content:"";position:absolute;inset:0;opacity:0;pointer-events:none;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%),
    oklch(0.72 0.13 176/.11),transparent 68%);
  transition:opacity .45s var(--ease);
}
.index li:hover::before{opacity:1}
.index .row{
  display:grid;grid-template-columns:3.5rem minmax(9rem,15rem) 1fr auto;
  gap:clamp(.75rem,2.5vw,2rem);align-items:baseline;
  padding:clamp(1.1rem,2.2vw,1.6rem) 0;position:relative;
  transition:transform .5s var(--ease);
}
.index li:hover .row{transform:translateX(6px)}
.index .idx{font-family:var(--mono);font-size:.7rem;font-stretch:87.5%;letter-spacing:.1em;color:var(--amber);padding-top:.3rem}
.index .name{font-stretch:110%;font-weight:600;font-size:clamp(1.05rem,1.8vw,1.4rem);letter-spacing:-.02em;line-height:1.2}
.index .desc{color:var(--ink-mid);font-size:var(--step--1);line-height:1.55;max-width:56ch}
.index .tags{
  font-family:var(--mono);font-size:.6rem;font-stretch:87.5%;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-low);white-space:nowrap;padding-top:.35rem;
}
@media(max-width:880px){
  .index .row{grid-template-columns:2.5rem 1fr;row-gap:.5rem}
  .index .desc{grid-column:2}
  .index .tags{grid-column:2;white-space:normal}
}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.bento article{background:var(--void);padding:clamp(1.6rem,3vw,2.4rem);transition:background .45s var(--ease)}
.bento article:hover{background:var(--surface)}
.bento .wide{grid-column:span 3}
.bento .narrow{grid-column:span 3}
.bento .full{grid-column:span 6}
.bento h3{margin:.85rem 0 .6rem}
.bento p{color:var(--ink-mid);font-size:var(--step--1)}
@media(max-width:880px){.bento{grid-template-columns:1fr}.bento .wide,.bento .narrow,.bento .full{grid-column:span 1}}

/* ---------- setores ---------- */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.sector{
  background:var(--void);padding:clamp(1.5rem,2.6vw,2rem);text-decoration:none;display:block;
  transition:background .45s var(--ease),transform .45s var(--ease);
}
.sector:hover{background:var(--surface);transform:translateY(-3px)}
.sector h3{font-size:1.1rem;margin:.7rem 0 .4rem}
.sector p{color:var(--ink-mid);font-size:var(--step--1)}
.sector .go{
  display:inline-flex;align-items:center;gap:.45rem;margin-top:1rem;
  font-family:var(--mono);font-size:.62rem;font-stretch:87.5%;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal-hi);
}
.sector .go svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.9;transition:transform .45s var(--ease)}
.sector:hover .go svg{transform:translateX(4px)}

/* ---------- tabela de dados cadastrais ---------- */
.dl{border-top:1px solid var(--line-soft)}
.dl .r{
  display:grid;grid-template-columns:minmax(9rem,.42fr) 1.58fr;gap:1rem;
  padding:1.05rem .1rem;border-bottom:1px solid var(--line-soft);align-items:baseline;
}
.dl dd{font-size:.98rem}
.dl a{color:var(--teal-hi);text-decoration:none;border-bottom:1px solid oklch(0.84 0.14 174/.35)}
.dl a:hover{border-color:var(--teal-hi)}
@media(max-width:640px){.dl .r{grid-template-columns:1fr;gap:.3rem}}

/* ---------- contato ---------- */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.info{list-style:none;border-top:1px solid var(--line-soft)}
.info li{display:flex;gap:1rem;padding:1.15rem 0;border-bottom:1px solid var(--line-soft)}
.info svg{width:19px;height:19px;flex:0 0 auto;margin-top:.3rem;color:var(--teal);stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.info b{display:block;margin-bottom:.25rem}
.info a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.info a:hover{border-color:var(--teal)}
.map{border:1px solid var(--line-soft);overflow:hidden;min-height:330px;height:100%;background:var(--surface)}
.map iframe{width:100%;height:100%;min-height:330px;border:0;display:block;filter:grayscale(1) invert(.92) hue-rotate(160deg) contrast(.88) brightness(.94)}
@media(max-width:880px){.contact{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line-soft);padding:clamp(2.5rem,5vw,3.5rem) var(--pad) 2rem;background:oklch(0.205 0.022 192/.4)}
.foot-top{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start}
.foot-legal{max-width:50ch;font-size:var(--step--1);color:var(--ink-mid)}
.foot-legal strong{color:var(--ink);font-weight:600}
.foot-links{display:flex;flex-wrap:wrap;gap:1.1rem}
.foot-links a{
  font-family:var(--mono);font-size:.63rem;font-stretch:87.5%;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-low);text-decoration:none;transition:color .3s var(--ease);
}
.foot-links a:hover{color:var(--teal-hi)}
.foot-bottom{
  margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:.75rem;justify-content:space-between;
}

/* ---------- motion ---------- */
.rise{opacity:0;transform:translateY(24px);animation:rise .95s var(--ease) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.06s}.d2{animation-delay:.16s}.d3{animation-delay:.26s}
.d4{animation-delay:.36s}.d5{animation-delay:.46s}.d6{animation-delay:.56s}
.obs{opacity:0;transform:translateY(28px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.obs.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rise,.obs{opacity:1!important;transform:none!important}
  .marquee-track{animation:none!important}
  .aurora{animation:none!important}
  .progress{display:none}
}