/* ==========================================================
   Praça Engineering — site institucional
   Paleta: granito (fundo), dourado do letreiro, creme do logótipo
   Tipografia: Cinzel (títulos, a mesma família romana do logótipo)
               Montserrat (texto, a mesma da linha de apoio)
   ========================================================== */

@font-face{
  font-family:"Cinzel";
  src:url("fonts/cinzel.woff2") format("woff2");
  font-weight:400 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Montserrat";
  src:url("fonts/montserrat.woff2") format("woff2");
  font-weight:100 900; font-style:normal; font-display:swap;
}

:root{
  --wall:#12161B;
  --wall-2:#171C22;
  --wall-3:#1E242C;
  --gold:#C9A24B;
  --gold-hi:#F0D58E;
  --gold-lo:#8F6A25;
  --cream:#F5F0E6;
  --mute:#A9B0BA;
  --line:rgba(201,162,75,.26);
  --line-soft:rgba(245,240,230,.12);
  --halo:255,190,90;

  --serif:"Cinzel","Trajan Pro","Times New Roman",serif;
  --sans:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --header-h:76px;
  --gap:clamp(20px,4vw,56px);
  --section:clamp(72px,10vw,136px);
  --radius:3px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--wall);
  /* granito: ruído fino e estático */
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .82 0 0 0 0 .84 0 0 0 0 .88 0 0 0 .14 0'/%3E%3C/filter%3E%3Crect width='260' height='260' filter='url(%23n)'/%3E%3C/svg%3E");
  color:var(--cream);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;color:var(--cream)}

.wrap{width:min(1180px,100% - 2*clamp(20px,5vw,56px));margin-inline:auto}

.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--gold);color:#14171B;padding:10px 16px;border-radius:var(--radius);font-weight:600;text-decoration:none}
.skip:focus{top:12px}

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

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:12px 26px;
  font:600 .975rem/1.2 var(--sans);letter-spacing:.01em;text-decoration:none;
  border-radius:var(--radius);border:1px solid transparent;cursor:pointer;
  transition:box-shadow .25s ease,border-color .25s ease,filter .25s ease,background-color .25s ease;
}
.btn-gold{
  color:#14171B;
  background:linear-gradient(180deg,#EBCB7E 0%,#C9A24B 52%,#A9812F 100%);
  border-color:#E6C878;
}
.btn-gold:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(240,213,142,.5),0 0 26px rgba(var(--halo),.38)}
.btn-ghost{color:var(--cream);border-color:var(--line);background:rgba(18,22,27,.4)}
.btn-ghost:hover{border-color:var(--gold);box-shadow:0 0 22px rgba(var(--halo),.18)}
.btn-sm{min-height:42px;padding:9px 20px;font-size:.9rem}

/* ---------- cabeçalho ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;height:var(--header-h);
  background:linear-gradient(180deg,rgba(18,22,27,.86),rgba(18,22,27,.55));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s ease,background-color .3s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(18,22,27,.9)}
.bar{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none}
.brand-mark{width:38px;height:39px;fill:url(#gold);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text .b1{font:700 1.5rem/1 var(--serif);letter-spacing:.06em;color:var(--gold-hi)}
.brand-text .b2{font:600 .66rem/1 var(--serif);letter-spacing:.34em;color:var(--gold);margin-top:5px;padding-left:2px}

.nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,36px)}
.nav a:not(.btn){text-decoration:none;font-size:.95rem;font-weight:500;color:var(--cream);opacity:.86;position:relative;padding:6px 0;transition:opacity .2s ease,color .2s ease}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav a:not(.btn):hover{opacity:1;color:var(--gold-hi)}
.nav a:not(.btn):hover::after{transform:scaleX(1)}

.menu-btn{display:none;width:46px;height:46px;background:none;border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;padding:0;position:relative}
.menu-btn span{position:absolute;left:12px;right:12px;height:2px;background:var(--cream);transition:transform .25s ease,opacity .2s ease;border-radius:1px}
.menu-btn span:nth-child(1){top:16px}
.menu-btn span:nth-child(2){top:22px}
.menu-btn span:nth-child(3){top:28px}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--header-h) + 40px) 0 56px;overflow:hidden;isolation:isolate;
}
.hero::after{ /* funde o hero com a secção seguinte */
  content:"";position:absolute;inset:auto 0 0 0;height:120px;z-index:-1;
  background:linear-gradient(180deg,transparent,var(--wall));
}
.traces{
  position:absolute;inset:0;width:100%;height:100%;z-index:-2;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,transparent 30%,#000 62%);
          mask-image:linear-gradient(90deg,transparent 0,transparent 30%,#000 62%);
}
.tr-base path{fill:none;stroke:var(--gold);stroke-opacity:.2;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.tr-nodes circle{fill:var(--wall);stroke:var(--gold);stroke-opacity:.5;stroke-width:1.5;vector-effect:non-scaling-stroke}
.tr-nodes circle.d{fill:var(--gold);stroke:none;fill-opacity:.8}
.tr-pulse{filter:drop-shadow(0 0 5px rgba(var(--halo),.95))}
.tr-pulse path{
  fill:none;stroke:var(--gold-hi);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:26 1974;stroke-dashoffset:30;vector-effect:non-scaling-stroke;
  animation:run var(--t,8s) linear var(--dl,0s) infinite;
}
@keyframes run{0%{stroke-dashoffset:30}55%,100%{stroke-dashoffset:-1030}}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:var(--gap)}
.hero-copy{max-width:660px}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.8rem);line-height:1.1;letter-spacing:.012em;text-wrap:balance}
.lead{margin:28px 0 36px;font-size:clamp(1.02rem,1.3vw,1.16rem);color:#DDD8CE;max-width:52ch}
.actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-addr{margin-top:44px;font-style:normal;font-size:.95rem;color:var(--mute);line-height:1.8;padding-left:16px;border-left:1px solid var(--line)}
.hero-addr a{color:var(--gold-hi);text-decoration:none;font-weight:600}
.hero-addr a:hover{text-decoration:underline}

/* o símbolo, como o letreiro retroiluminado: acende ao carregar */
.hero-mark{position:relative;justify-self:center;width:min(100%,500px)}
.hero-mark::before{
  content:"";position:absolute;inset:-22%;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(var(--halo),.34),rgba(var(--halo),.12) 52%,transparent 74%);
  animation:ignite 2.4s steps(1,end) .35s both;
}
.mark{
  width:100%;height:auto;aspect-ratio:232.75/240.01;fill:url(#gold);
  filter:drop-shadow(0 0 1.5px rgba(255,220,150,.9)) drop-shadow(0 0 24px rgba(var(--halo),.4));
  animation:ignite 2.4s steps(1,end) .35s both;
}
@keyframes ignite{
  0%{opacity:0}
  5%{opacity:.9}
  8%{opacity:.12}
  13%{opacity:1}
  17%{opacity:.35}
  24%{opacity:1}
  27%{opacity:.6}
  33%,100%{opacity:1}
}

/* ---------- secções ---------- */
.section{padding:var(--section) 0;position:relative}
.section-alt{background-color:rgba(23,28,34,.72);border-block:1px solid var(--line-soft)}

h2{font-size:clamp(1.85rem,3.6vw,3rem);line-height:1.15;letter-spacing:.015em;text-wrap:balance}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);align-items:start}
.split-head{position:sticky;top:calc(var(--header-h) + 32px)}
.split-head p{margin-top:20px;color:var(--mute);max-width:40ch}
.head-narrow{max-width:640px;margin-bottom:clamp(40px,6vw,72px)}
.head-narrow p{margin-top:20px;color:var(--mute)}

/* serviços: lista expansível */
.service{border-top:1px solid var(--line)}
.service:last-child{border-bottom:1px solid var(--line)}
.service summary{
  list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto;column-gap:24px;row-gap:4px;
  padding:26px 4px;position:relative;
}
.service summary::-webkit-details-marker{display:none}
.service summary::before{content:"";position:absolute;left:-1px;top:26px;bottom:26px;width:2px;background:var(--gold);transform:scaleY(0);transition:transform .3s ease}
.service:hover summary::before,.service[open] summary::before{transform:scaleY(1)}
.s-title{font:600 clamp(1.3rem,2vw,1.65rem)/1.2 var(--serif);letter-spacing:.015em;transition:color .25s ease,padding-left .3s ease}
.s-sub{grid-column:1;color:var(--mute);font-size:.95rem}
.service summary:hover .s-title,.service[open] .s-title{color:var(--gold-hi);padding-left:18px}
.service summary:hover .s-sub,.service[open] .s-sub{padding-left:18px}
.s-sub{transition:padding-left .3s ease}
.s-icon{grid-column:2;grid-row:1 / span 2;align-self:center;width:22px;height:22px;position:relative}
.s-icon::before,.s-icon::after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;margin-top:-1px;background:var(--gold);transition:transform .3s ease}
.s-icon::after{transform:rotate(90deg)}
.service[open] .s-icon::after{transform:rotate(0)}
.s-body{padding:0 4px 30px 22px;max-width:62ch;color:#DDD8CE}
.s-body p{margin:0}

/* processo: linha de circuito que se desenha */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,3vw,44px);position:relative}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:linear-gradient(90deg,var(--gold),rgba(201,162,75,.4));
  transform:scaleX(0);transform-origin:left;transition:transform 1.8s cubic-bezier(.65,0,.35,1);
}
.steps.in::before{transform:scaleX(1)}
.steps li{position:relative;padding-top:56px}
.node{position:absolute;left:0;top:0;width:24px;height:24px;border:2px solid var(--gold);border-radius:50%;background:var(--wall)}
.node::after{
  content:"";position:absolute;inset:4px;border-radius:50%;background:var(--gold-hi);box-shadow:0 0 12px rgba(var(--halo),.9);
  transform:scale(0);transition:transform .5s ease;
}
.steps.in li:nth-child(1) .node::after{transform:scale(1);transition-delay:.1s}
.steps.in li:nth-child(2) .node::after{transform:scale(1);transition-delay:.6s}
.steps.in li:nth-child(3) .node::after{transform:scale(1);transition-delay:1.1s}
.steps.in li:nth-child(4) .node::after{transform:scale(1);transition-delay:1.6s}
.steps h3{font-size:1.35rem;line-height:1.25;letter-spacing:.015em;margin-bottom:10px}
.steps .n{color:var(--gold);margin-right:.35em}
.steps p{margin:0;color:var(--mute);font-size:.98rem}

/* sobre */
.about-text{max-width:60ch;font-size:1.08rem}
.about-text p{color:#DDD8CE}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(48px,7vw,88px);border-top:1px solid var(--line)}
.principles>div{padding:32px clamp(16px,3vw,40px) 0 0}
.principles>div+div{padding-left:clamp(16px,3vw,40px);border-left:1px solid var(--line)}
.principles h3{font-size:1.3rem;margin-bottom:10px;letter-spacing:.015em}
.principles p{margin:0;color:var(--mute);font-size:.98rem}

/* contacto */
.contact-list{font-style:normal;margin:36px 0 32px;display:grid;gap:20px}
.contact-list p{margin:0;color:var(--cream)}
.contact-list .lbl{display:block;font-size:.85rem;color:var(--mute);margin-bottom:2px}
.contact-list a{color:var(--gold-hi);text-decoration:none;font-weight:600}
.contact-list a:hover{text-decoration:underline}

.form{display:grid;gap:22px}
.field{display:grid;gap:8px}
.field label{font-size:.92rem;color:#DDD8CE;font-weight:500}
.field input,.field textarea{
  width:100%;font:inherit;color:var(--cream);background:rgba(23,28,34,.9);
  border:1px solid rgba(245,240,230,.2);border-radius:var(--radius);padding:14px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:150px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,75,.28)}
.field.invalid input,.field.invalid textarea{border-color:#E58D7A}
.err{min-height:0;font-size:.88rem;color:#F0A897}
.form .btn{justify-self:start}
.form-note{margin:0;font-size:.9rem;color:var(--mute)}

/* rodapé */
.site-footer{border-top:1px solid var(--line);background:rgba(10,13,16,.6);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:var(--gap);align-items:start}
.foot-brand p{margin:18px 0 0;color:var(--mute);font-size:.95rem;max-width:32ch}
.foot-nav{display:grid;gap:10px}
.foot-nav a,.foot-contact a{text-decoration:none;color:var(--cream);opacity:.88}
.foot-nav a:hover,.foot-contact a:hover{color:var(--gold-hi);opacity:1}
.foot-contact{font-style:normal;color:var(--mute);font-size:.95rem;line-height:1.85}
.foot-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);font-size:.88rem;color:var(--mute)}
.foot-legal a{color:var(--mute)}
.foot-legal a:hover{color:var(--gold-hi)}

/* ---------- responsivo ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-mark{width:min(64vw,380px);margin-top:12px}
  .hero{min-height:auto;padding-bottom:88px}
  .split{grid-template-columns:1fr}
  .split-head{position:static}
  .steps{grid-template-columns:1fr;gap:34px}
  .steps::before{left:11px;right:auto;top:0;bottom:0;width:1px;height:auto;transform:scaleY(0);transform-origin:top}
  .steps.in::before{transform:scaleY(1)}
  .steps li{padding:0 0 0 58px;min-height:24px}
  .traces{opacity:.55;-webkit-mask-image:linear-gradient(180deg,transparent 0,transparent 40%,#000 80%);mask-image:linear-gradient(180deg,transparent 0,transparent 40%,#000 80%)}
  .principles{grid-template-columns:1fr}
  .principles>div,.principles>div+div{padding:26px 0 0;border-left:0}
  .principles>div+div{margin-top:26px;border-top:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{
    position:fixed;left:0;right:0;top:var(--header-h);flex-direction:column;align-items:stretch;gap:0;
    background:#12161B;border-bottom:1px solid var(--line);padding:8px clamp(20px,5vw,56px) 24px;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s;
  }
  .nav.open{opacity:1;transform:none;visibility:visible}
  .nav a:not(.btn){padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:1.05rem}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{margin-top:18px}
}
@media (max-width:520px){
  .brand-text .b1{font-size:1.3rem}
  .actions .btn{width:100%}
  .form .btn{justify-self:stretch}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .tr-pulse{display:none}
  .steps::before{transform:none}
  .node::after{transform:scale(1)}
}

/* ---------- páginas internas (Tecnologias, Portfólio, Sobre, Contacto) ---------- */
.page-hero{padding:calc(var(--header-h) + 64px) 0 52px;border-bottom:1px solid var(--line-soft)}
.page-hero h1{font-size:clamp(2rem,4vw,3.1rem);max-width:18ch}
.page-hero p{margin-top:18px;color:var(--mute);max-width:58ch;font-size:1.05rem}
.text-link{color:var(--gold-hi);text-decoration:none;font-weight:600;font-size:.95rem}
.text-link:hover{text-decoration:underline}

/* tecnologias */
.tech-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.tech-cat{background:var(--wall);padding:34px clamp(20px,3vw,40px)}
.tech-cat h2{font-size:1.35rem;margin-bottom:16px;letter-spacing:.01em}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.chips li{border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:.92rem;color:#DDD8CE;background:rgba(201,162,75,.06)}
.tech-note{margin-top:44px;padding:22px clamp(18px,3vw,32px);border:1px solid var(--line);border-left:3px solid var(--gold);background:rgba(201,162,75,.06);max-width:70ch}
.tech-note p{margin:0;color:var(--mute);font-size:.95rem}

/* portfólio */
.portfolio-empty{max-width:60ch;margin-top:12px}
.portfolio-empty p{color:#DDD8CE}
.portfolio-cta{margin-top:32px}

/* sobre */
.about-hero-text{max-width:66ch;font-size:1.08rem}
.about-hero-text p{color:#DDD8CE}
.timeline{list-style:none;margin:56px 0 0;padding:0;border-top:1px solid var(--line);max-width:70ch}
.timeline li{padding:26px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:baseline}
.timeline .yr{font-family:var(--serif);color:var(--gold-hi);font-size:1.1rem;white-space:nowrap}
.timeline p{margin:0;color:var(--mute)}

/* contacto */
.contact-page .split{align-items:start}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.form-note.ok{color:#B7D6A8}
.form-note.error{color:#F0A897}
.field button[disabled]{opacity:.6;cursor:progress}

/* cta band de fecho de página */
.cta-band{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(30px,5vw,56px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(120deg,rgba(30,36,44,.9),rgba(18,22,27,.6))}
.cta-band h2{font-size:1.7rem}
.cta-band p{margin:10px 0 0;color:var(--mute)}

@media (max-width:760px){
  .tech-grid{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr}
}

/* ==========================================================
   Páginas internas com estilo ReactRio, na paleta dourado/granito
   ========================================================== */

/* hero interno: escuro com brilho e badge, como o hero da ReactRio */
.inner-hero{
  position:relative;overflow:hidden;isolation:isolate;
  padding:calc(var(--header-h) + 72px) 0 64px;
  border-bottom:1px solid var(--line-soft);
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(201,162,75,.10), transparent 60%),
    radial-gradient(70% 120% at 100% 20%, rgba(201,162,75,.08), transparent 55%),
    var(--wall);
}
.inner-hero-glow{
  position:absolute;inset:-40% 20% auto -10%;height:340px;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(var(--halo),.18),transparent 70%);
  filter:blur(8px);
}
.inner-hero .eyebrow{
  display:inline-block;padding:7px 16px;margin-bottom:22px;
  border:1px solid var(--line);border-radius:999px;
  font-size:.82rem;letter-spacing:.04em;color:var(--gold-hi);
  background:rgba(201,162,75,.06);
}
.inner-hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.1;letter-spacing:.012em;max-width:20ch}
.inner-hero .grad{
  background:linear-gradient(120deg,#F0D58E 0%,#C9A24B 55%,#8F6A25 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.inner-hero-desc{margin-top:20px;color:#DDD8CE;max-width:62ch;font-size:clamp(1rem,1.3vw,1.15rem)}

.eyebrow{font-family:var(--sans)}

/* grelha de categorias de tecnologia */
.tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tech-cat{background:var(--wall);padding:30px clamp(20px,2.4vw,34px)}
.tech-cat h2{font-size:1.3rem;margin-bottom:16px;letter-spacing:.01em;color:var(--gold-hi)}

/* chips (tecnologias / tags) */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none}
.chips li{
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.86rem;
  color:#E4DFD4;background:rgba(201,162,75,.06);
}

/* mini-cards (benefícios, valores, competências, pilares) */
.mini-grid{display:grid;gap:20px}
.mini-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.mini-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.mini-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.mini-card{
  background:linear-gradient(150deg,rgba(30,36,44,.75),rgba(18,22,27,.5));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px clamp(18px,2vw,28px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.mini-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 12px 30px rgba(0,0,0,.35),0 0 24px rgba(var(--halo),.1)}
.mini-card h3{font-size:1.2rem;margin-bottom:10px;letter-spacing:.01em;color:var(--cream)}
.mini-card p{margin:0;color:var(--mute);font-size:.96rem}

/* estatísticas do portfólio */
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat{
  text-align:center;padding:30px 16px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(30,36,44,.7),rgba(18,22,27,.45));
}
.stat-num{display:block;font-family:var(--serif);font-size:clamp(2rem,3.4vw,2.9rem);font-weight:700;
  background:linear-gradient(120deg,#F0D58E,#C9A24B);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat-lbl{display:block;margin-top:8px;color:var(--mute);font-size:.92rem}

/* cartões de projeto (trajetória) */
.proj-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.proj{
  background:linear-gradient(150deg,rgba(30,36,44,.72),rgba(18,22,27,.5));
  border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,34px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.proj:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.proj-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
.proj-head h3{font-size:1.4rem;letter-spacing:.01em;color:var(--cream)}
.proj-meta{margin:4px 0 0;color:var(--mute);font-size:.9rem}
.tag{flex:none;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.78rem;color:var(--gold-hi);background:rgba(201,162,75,.07);white-space:nowrap}
.proj-desc{color:#DDD8CE;margin-bottom:18px}
.proj h4{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);margin:0 0 10px}
.realiz{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:7px}
.realiz li{position:relative;padding-left:22px;color:var(--mute);font-size:.92rem}
.realiz li::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:8px;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(45deg) translateY(-2px)}

/* sobre: intro */
.about-hero-text{max-width:64ch;font-size:1.06rem}
.about-hero-text p{color:#DDD8CE}

@media (max-width:980px){
  .tech-grid{grid-template-columns:1fr 1fr}
  .mini-grid.four{grid-template-columns:1fr 1fr}
  .mini-grid.three{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .proj-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .tech-grid{grid-template-columns:1fr}
  .mini-grid.two,.mini-grid.three,.mini-grid.four,.two-col{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .proj-head{flex-direction:column}
}