/* =========================================================
   Nunes & Filhos — Construção e Reabilitação, Silves
   Paleta: preto / grafite / betão / laranja
   Tipografia: Oswald (display, condensada) + Barlow (texto)
   ========================================================= */

:root{
  --preto:#121212;
  --preto-2:#1a1a1a;
  --grafite:#242424;
  --grafite-2:#2f2f2f;
  --cinza:#8b8b88;
  --cinza-l:#b9b8b4;
  --betao:#d9d6d0;
  --betao-l:#eceae6;
  --branco:#f7f6f4;
  --laranja:#f25c05;
  --laranja-d:#c94a02;
  --linha:#d3d0ca;

  --ff-d:"Oswald",Impact,sans-serif;
  --ff-t:"Barlow",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;

  --pad:clamp(20px,5vw,86px);
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}

body{
  margin:0;background:var(--branco);color:var(--preto);
  font-family:var(--ff-t);font-weight:400;
  font-size:clamp(15px,1.02vw,16.5px);line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
::selection{background:var(--laranja);color:#fff}

html.has-anim [data-reveal]{opacity:0}
html.has-anim [data-split] .w-i{display:inline-block;will-change:transform}

/* ---------- tipos ---------- */
.h2{
  font-family:var(--ff-d);font-weight:500;text-transform:uppercase;
  font-size:clamp(1.9rem,4.4vw,3.6rem);line-height:1.02;letter-spacing:.005em;
  margin:.35em 0 .5em;
}
.h2--light{color:var(--branco)}
.tagline{
  display:flex;align-items:center;gap:.7em;white-space:nowrap;
  font-family:var(--ff-d);font-weight:400;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--laranja);margin:0;
}
.tagline span{width:26px;height:2px;background:currentColor;flex:none;display:block}
.tagline--light{color:var(--laranja)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.95em 1.9em;border:0;background:var(--laranja);color:#fff;
  font-family:var(--ff-d);font-weight:500;font-size:.86rem;letter-spacing:.09em;text-transform:uppercase;
  text-decoration:none;cursor:pointer;position:relative;overflow:hidden;
  transition:color .4s var(--ease);
}
.btn::after{content:"";position:absolute;inset:0;background:var(--preto);transform:translateY(101%);transition:transform .45s var(--ease);z-index:-1}
.btn:hover::after{transform:translateY(0)}
.btn--sm{padding:.62em 1.15em;font-size:.75rem}
.btn--big{padding:1.1em 2.3em;font-size:.95rem}
.btn--full{width:100%}
.lnk{
  font-family:var(--ff-d);font-weight:400;font-size:.86rem;letter-spacing:.12em;text-transform:uppercase;
  text-decoration:none;border-bottom:2px solid var(--laranja);padding-bottom:.3em;
  transition:color .3s,border-color .3s;
}
.lnk:hover{color:var(--laranja)}

/* =========================================================
   NAV
   ========================================================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:70;display:flex;align-items:center;gap:2rem;
  padding:1rem var(--pad);color:var(--branco);
  transition:background .45s var(--ease),color .45s var(--ease),padding .45s var(--ease),box-shadow .45s;
}
.nav.is-stuck{background:var(--preto);padding-top:.72rem;padding-bottom:.72rem;box-shadow:0 8px 30px -22px #000}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto}
.brand__m{width:32px;height:32px;color:var(--laranja);flex:none}
.brand__m svg{width:100%;height:100%}
.brand__t{font-family:var(--ff-d);font-weight:500;font-size:1.02rem;letter-spacing:.05em;text-transform:uppercase;line-height:1.1}
.brand__t em{display:block;font-family:var(--ff-t);font-style:normal;font-weight:400;font-size:.62rem;letter-spacing:.18em;color:var(--cinza-l);text-transform:uppercase;margin-top:.12rem}
.nav__links{display:flex;gap:1.5rem}
.nav__links a{
  text-decoration:none;font-family:var(--ff-d);font-weight:300;font-size:.82rem;
  letter-spacing:.12em;text-transform:uppercase;position:relative;opacity:.85;transition:opacity .3s;
}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--laranja);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.nav__links a:hover{opacity:1}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
.burger{display:none;background:none;border:0;width:30px;height:22px;position:relative;cursor:pointer;padding:0}
.burger span{position:absolute;left:0;right:0;height:2px;background:currentColor;transition:.4s var(--ease)}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:10px}.burger span:nth-child(3){top:18px}
.burger.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.menu{
  position:fixed;inset:0;z-index:69;background:var(--preto);color:var(--branco);
  display:flex;flex-direction:column;justify-content:center;gap:.3rem;padding:0 var(--pad);
  clip-path:inset(0 0 100% 0);transition:clip-path .65s var(--ease);pointer-events:none;
}
.menu.is-open{clip-path:inset(0 0 0 0);pointer-events:auto}
.menu a{font-family:var(--ff-d);font-weight:500;font-size:clamp(1.9rem,8vw,3rem);text-transform:uppercase;text-decoration:none;letter-spacing:.02em}
.menu a:hover{color:var(--laranja)}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:clamp(110px,16vh,150px) var(--pad) 0;color:var(--branco);overflow:hidden;background:var(--preto);
}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;filter:grayscale(.55) brightness(.5) contrast(1.15)}
.hero__grid{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(247,246,244,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,246,244,.5) 1px,transparent 1px);
  background-size:clamp(60px,7vw,110px) clamp(60px,7vw,110px);
}
.hero__wedge{
  position:absolute;left:0;top:0;bottom:0;width:min(62%,900px);
  background:linear-gradient(100deg,rgba(18,18,18,.94) 40%,rgba(18,18,18,0));
  clip-path:polygon(0 0,100% 0,72% 100%,0 100%);
}
html.has-anim .hero__wedge{transform:translateX(-102%)}
.hero__c{position:relative;z-index:3;max-width:min(58ch,60%);padding-bottom:clamp(40px,6vh,70px)}
.hero h1{
  font-family:var(--ff-d);font-weight:600;text-transform:uppercase;
  font-size:clamp(2.3rem,5.6vw,4.6rem);line-height:.98;letter-spacing:.002em;
  margin:.55em 0 .5em;
}
.hero__lede{max-width:48ch;color:rgba(247,246,244,.82);margin:0;font-size:clamp(.98rem,1.15vw,1.08rem)}
.hero__acts{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem;margin-top:clamp(24px,3.5vh,38px)}

.nums{
  position:relative;z-index:3;list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:2px solid var(--laranja);background:rgba(18,18,18,.86);backdrop-filter:blur(6px);
  margin-inline:calc(var(--pad) * -1);
}
.nums li{padding:clamp(16px,2.2vw,26px) clamp(16px,2.4vw,34px);border-right:1px solid rgba(247,246,244,.14)}
.nums li:last-child{border-right:0}
.nums .num{font-family:var(--ff-d);font-weight:500;font-size:clamp(1.9rem,3.6vw,3rem);line-height:1;display:block;color:var(--laranja)}
.nums span{font-size:.78rem;color:var(--cinza-l);letter-spacing:.03em}

/* =========================================================
   TIRA
   ========================================================= */
.tick{background:var(--laranja);overflow:hidden;padding:.7rem 0}
.tick__t{display:flex;gap:1.4rem;align-items:center;width:max-content;will-change:transform}
.tick__t span{
  font-family:var(--ff-d);font-weight:500;font-size:clamp(.85rem,1.6vw,1.25rem);
  letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;color:var(--preto);
}
.tick__t i{color:rgba(18,18,18,.45);font-style:normal;font-weight:600}

/* =========================================================
   SERVIÇOS
   ========================================================= */
.serv{padding:clamp(60px,10vh,120px) var(--pad)}
.serv__head{max-width:42rem;margin-bottom:clamp(30px,5vh,52px)}
.serv__head p:last-child{color:#4b4b47;margin:0}
.serv__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px)}
.serv__grid article{position:relative;border-top:2px solid var(--preto);padding-top:1.2rem;transition:border-color .4s}
.serv__grid article:hover{border-color:var(--laranja)}
.serv__n{font-family:var(--ff-d);font-weight:500;font-size:.8rem;letter-spacing:.16em;color:var(--laranja)}
.serv__img{overflow:hidden;aspect-ratio:4/3;margin:.9rem 0 1.1rem;background:var(--betao)}
.serv__img img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35);transition:transform 1.1s var(--ease),filter .6s}
.serv__grid article:hover .serv__img img{transform:scale(1.06);filter:grayscale(0)}
.serv__grid h3{font-family:var(--ff-d);font-weight:500;text-transform:uppercase;font-size:1.18rem;margin:0 0 .5rem;letter-spacing:.02em}
.serv__grid p{margin:0;font-size:.94rem;color:#4b4b47}
.serv__grid ul{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;padding:0;margin:1rem 0 0}
.serv__grid li{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--linha);padding:.28em .7em;color:#4b4b47}

/* =========================================================
   OBRAS
   ========================================================= */
.works{background:var(--preto);color:var(--branco);padding:clamp(60px,10vh,120px) var(--pad)}
.works__head{margin-bottom:clamp(28px,4vh,48px)}
.works__body{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,4vw,64px);align-items:start}
.works__list{list-style:none;padding:0;margin:0;border-top:1px solid rgba(247,246,244,.16)}
.works__list li{
  border-bottom:1px solid rgba(247,246,244,.16);padding:1.1rem .2rem;cursor:pointer;
  display:grid;grid-template-columns:auto 1fr;gap:.2rem 1.2rem;align-items:baseline;
  transition:padding-left .45s var(--ease),background .45s var(--ease);
}
.works__list li:hover,.works__list li.is-on{background:var(--grafite);padding-left:1rem}
.works__y{font-family:var(--ff-d);font-weight:400;font-size:.82rem;letter-spacing:.14em;color:var(--laranja)}
.works__list h3{font-family:var(--ff-d);font-weight:500;text-transform:uppercase;font-size:clamp(1.05rem,1.7vw,1.35rem);margin:0;letter-spacing:.02em}
.works__p{grid-column:2;margin:.15rem 0 0;font-size:.86rem;color:var(--cinza-l)}
.works__stage{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grafite)}
.wf{position:absolute;inset:0;margin:0;opacity:0;transform:scale(1.05);transition:opacity .6s var(--ease),transform 1.1s var(--ease)}
.wf.is-on{opacity:1;transform:scale(1)}
.wf img{width:100%;height:100%;object-fit:cover}
.works__meta{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(247,246,244,.16);margin:1px 0 0}
.works__meta div{background:var(--preto);padding:.9rem 1rem}
.works__meta dt{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cinza)}
.works__meta dd{margin:.2rem 0 0;font-family:var(--ff-d);font-weight:400;font-size:1.05rem;letter-spacing:.02em}

/* =========================================================
   ANTES E DEPOIS
   ========================================================= */
.ba-sec{padding:clamp(60px,10vh,120px) var(--pad);background:var(--betao-l)}
.ba__head{max-width:44rem;margin-bottom:clamp(24px,4vh,40px)}
.ba__head p:last-child{color:#4b4b47;margin:0}
.ba{
  position:relative;aspect-ratio:16/9;overflow:hidden;user-select:none;touch-action:pan-y;
  cursor:ew-resize;background:var(--betao);
}
.ba__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__before{position:absolute;inset:0;clip-path:inset(0 50% 0 0)}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);z-index:3}
.ba__bar{position:absolute;inset:0;background:var(--laranja);display:block}
.ba__knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;background:var(--laranja);color:#fff;
  display:grid;place-items:center;font-size:1.1rem;box-shadow:0 8px 24px -10px rgba(0,0,0,.6);
}
.ba__lbl{
  position:absolute;bottom:1rem;z-index:2;background:rgba(18,18,18,.82);color:var(--branco);
  font-family:var(--ff-d);font-weight:400;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  padding:.35em .9em;
}
.ba__lbl--a{left:1rem}
.ba__lbl--d{right:1rem}

/* =========================================================
   PROCESSO
   ========================================================= */
.proc{padding:clamp(60px,10vh,120px) var(--pad)}
.proc__head{max-width:34rem;margin-bottom:clamp(26px,4vh,44px)}
.proc__list{list-style:none;padding:0;margin:0;border-top:1px solid var(--linha)}
.proc__list li{
  border-bottom:1px solid var(--linha);display:grid;
  grid-template-columns:auto 1fr auto;gap:clamp(16px,3vw,48px);align-items:start;
  padding:clamp(20px,2.6vw,34px) .2rem;transition:padding-left .45s var(--ease),background .45s var(--ease);
}
.proc__list li:hover{background:var(--betao-l);padding-left:1rem}
.proc__n{
  font-family:var(--ff-d);font-weight:500;font-size:clamp(1.6rem,3vw,2.4rem);
  color:var(--betao);line-height:1;min-width:2.2em;transition:color .4s;
}
.proc__list li:hover .proc__n{color:var(--laranja)}
.proc__list h3{font-family:var(--ff-d);font-weight:500;text-transform:uppercase;font-size:clamp(1.05rem,1.8vw,1.4rem);margin:0 0 .45rem;letter-spacing:.02em}
.proc__list p{margin:0;color:#4b4b47;max-width:64ch}
.proc__t{
  font-family:var(--ff-d);font-weight:400;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--linha);padding:.4em .9em;white-space:nowrap;color:#4b4b47;
}

/* =========================================================
   EMPRESA
   ========================================================= */
.firm{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,80px);align-items:center;
  padding:clamp(50px,9vh,110px) var(--pad);background:var(--betao-l);
}
.firm__pics{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.8vw,22px)}
.fp{margin:0;overflow:hidden;background:var(--betao)}
.fp img{width:100%;height:100%;object-fit:cover;filter:grayscale(.4);transition:filter .6s,transform 1.2s var(--ease)}
.fp:hover img{filter:grayscale(0);transform:scale(1.04)}
.fp--1{aspect-ratio:3/3.6}
.fp--2{aspect-ratio:3/2.6;margin-top:clamp(24px,4vw,56px)}
.fp--3{grid-column:1/-1;aspect-ratio:16/7}
.firm__txt p{color:#4b4b47;max-width:48ch}
.firm__sig{
  font-family:var(--ff-d);font-weight:400;font-size:.9rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--laranja)!important;margin-top:1.8rem!important;
}

/* =========================================================
   TESTEMUNHOS
   ========================================================= */
.says{background:var(--grafite);color:var(--branco);padding:clamp(60px,10vh,120px) var(--pad)}
.says__head{max-width:34rem;margin-bottom:clamp(26px,4vh,44px)}
.says__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(247,246,244,.16);border:1px solid rgba(247,246,244,.16)}
.says__grid figure{margin:0;background:var(--grafite);padding:clamp(22px,2.6vw,36px);display:flex;flex-direction:column;gap:1.4rem;transition:background .45s var(--ease)}
.says__grid figure:hover{background:var(--grafite-2)}
.says blockquote{margin:0;font-size:clamp(1rem,1.5vw,1.15rem);line-height:1.5}
.says figcaption{margin-top:auto;font-family:var(--ff-d);font-weight:400;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase}
.says figcaption span{display:block;font-family:var(--ff-t);font-size:.78rem;letter-spacing:.02em;text-transform:none;color:var(--cinza-l);margin-top:.25rem}

/* =========================================================
   ORÇAMENTO
   ========================================================= */
.quote{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);padding:clamp(60px,10vh,120px) var(--pad);align-items:start}
.quote__l > p{color:#4b4b47;max-width:46ch}
.qinfo{list-style:none;padding:0;margin:clamp(26px,4vh,42px) 0 0;display:grid;gap:1px;background:var(--linha);border-block:1px solid var(--linha)}
.qinfo li{background:var(--branco);display:grid;grid-template-columns:180px 1fr;gap:1rem;padding:.9rem .1rem;align-items:baseline}
.qinfo span{font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cinza)}
.qinfo b{font-weight:500;font-size:.98rem;line-height:1.5}
.qinfo a{text-decoration:none;border-bottom:2px solid var(--laranja);transition:color .3s}
.qinfo a:hover{color:var(--laranja)}

.form{background:var(--preto);color:var(--branco);padding:clamp(24px,3.2vw,44px);display:grid;gap:1rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:grid;gap:.3rem}
.field span{font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cinza)}
.field input,.field textarea,.field select{
  border:0;border-bottom:1px solid rgba(247,246,244,.28);background:transparent;color:var(--branco);
  font-family:var(--ff-t);font-size:.98rem;padding:.65rem 0;outline:none;resize:vertical;width:100%;
  transition:border-color .3s;
}
.field select option{background:var(--grafite);color:var(--branco)}
.field input::placeholder,.field textarea::placeholder{color:rgba(247,246,244,.35)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--laranja)}
.field.is-bad input,.field.is-bad textarea{border-color:#e0603f}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.84rem;color:var(--cinza-l)}
.check input{margin-top:.3rem;accent-color:var(--laranja)}
.check.is-bad span{color:#e0603f}
.form .btn::after{background:var(--branco)}
.form .btn:hover{color:var(--preto)}
.form__note{margin:0;font-size:.85rem;color:var(--cinza-l);min-height:1.2em}
.form__note.ok{color:var(--laranja)}

/* =========================================================
   FOOTER
   ========================================================= */
.foot{background:var(--preto);color:var(--cinza-l);padding:clamp(44px,7vh,80px) var(--pad) 1.5rem}
.foot__top{display:grid;grid-template-columns:1.1fr 1.3fr 1fr;gap:clamp(24px,4vw,50px);padding-bottom:clamp(26px,4vh,44px);border-bottom:1px solid rgba(247,246,244,.16)}
.foot__b{display:flex;gap:.9rem;align-items:flex-start}
.foot__b .brand__m{color:var(--laranja)}
.foot__b p{margin:0;font-family:var(--ff-d);font-weight:500;text-transform:uppercase;font-size:1.05rem;color:var(--branco);letter-spacing:.04em}
.foot__b em{font-family:var(--ff-t);font-style:normal;font-weight:400;font-size:.72rem;letter-spacing:.1em;color:var(--cinza);text-transform:none}
.foot__nav{display:flex;flex-wrap:wrap;gap:.7rem 1.5rem;align-content:start}
.foot__nav a{text-decoration:none;font-family:var(--ff-d);font-weight:300;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;transition:color .3s}
.foot__nav a:hover{color:var(--laranja)}
.foot__leg{margin:0;font-size:.76rem;line-height:1.8;color:var(--cinza)}
.foot__bar{display:flex;flex-wrap:wrap;gap:.6rem 2rem;justify-content:space-between;align-items:baseline;padding-top:1.3rem}
.foot__cp{margin:0;font-size:.76rem;color:var(--cinza)}
.demo{margin:0;font-size:.76rem;line-height:1.6;color:var(--cinza);max-width:62ch;text-align:right}
.demo a{color:var(--laranja);text-decoration:none;border-bottom:1px solid rgba(242,92,5,.5);transition:color .3s,border-color .3s}
.demo a:hover{color:var(--branco);border-color:var(--branco)}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width:1100px){
  .serv__grid{grid-template-columns:1fr 1fr}
  .works__body{grid-template-columns:1fr}
  .says__grid{grid-template-columns:1fr}
  .firm,.quote{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr 1fr}
  .nums{grid-template-columns:1fr 1fr}
  .nums li:nth-child(2){border-right:0}
  .nums li:nth-child(1),.nums li:nth-child(2){border-bottom:1px solid rgba(247,246,244,.14)}
}
@media (max-width:900px){
  .nav__links{display:none}
  .nav>.btn{display:none}
  .burger{display:block}
  .hero__c{max-width:none}
  .hero__wedge{width:100%;clip-path:none;background:linear-gradient(180deg,rgba(18,18,18,.4),rgba(18,18,18,.9))}
  html.has-anim .hero__wedge{transform:none}
  .proc__list li{grid-template-columns:auto 1fr;gap:1rem}
  .proc__t{grid-column:2;justify-self:start;margin-top:.8rem}
  .works__meta{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .serv__grid{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr}
  .foot__bar{flex-direction:column}
  .demo{text-align:left}
  .qinfo li{grid-template-columns:1fr;gap:.1rem}
  .firm__pics{grid-template-columns:1fr}
  .fp--2{margin-top:0}
  .ba{aspect-ratio:4/3}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html.has-anim [data-reveal]{opacity:1!important}
  html.has-anim .hero__wedge{transform:none!important}
}