/* =====================================================================
   ONDI ESTÚDIO — Design System
   Base visual: referência "Referência visual/teste.html"
   Tipografia: Playfair Display (títulos) + Inter (corpo)
   ===================================================================== */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  /* Paleta */
  --color-bg:#0F0F0E;
  --color-bg-elevated:#1A1917;
  --color-bg-card:#22211E;
  --color-surface:#2C2B27;
  --color-copper:#C17F59;
  --color-copper-light:#D4A07A;
  --color-copper-bright:#E8B894;
  --color-terracotta:#C4704E;
  --color-gold:#C9A96E;
  --color-gold-light:#DFC08A;
  --color-sage:#8A9A7B;
  --color-sage-light:#A7B89A;
  --color-cream:#F5F0EB;
  --color-cream-muted:#D9D2CA;
  --color-text:#F5F0EB;
  --color-text-muted:#A8A396;
  --color-text-subtle:#7A766B;
  /* WhatsApp */
  --color-whatsapp:#25D366;

  /* Tipografia */
  --font-display:'Playfair Display',Georgia,serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;

  /* Easing */
  --ease-out-expo:cubic-bezier(0.16,1,0.3,1);
  --ease-out-quart:cubic-bezier(0.25,1,0.5,1);
}

html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{
  font-family:var(--font-body);
  background:var(--color-bg);
  color:var(--color-text);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ============ UTILITY ============ */
.container{max-width:1320px;margin:0 auto;padding:0 clamp(1.5rem,4vw,3rem)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--color-bg)}
::-webkit-scrollbar-thumb{background:var(--color-surface);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--color-copper)}
::selection{background:var(--color-copper);color:var(--color-bg)}

/* ============ NAVIGATION ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:1.25rem 0;
  transition:background .4s,backdrop-filter .4s,padding .4s;
}
.nav.scrolled{
  background:rgba(15,15,14,.85);
  backdrop-filter:blur(20px) saturate(1.2);
  -webkit-backdrop-filter:blur(20px) saturate(1.2);
  padding:.75rem 0;
  border-bottom:1px solid rgba(193,127,89,.1);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo{
  font-family:var(--font-display);font-size:1.5rem;font-weight:600;
  letter-spacing:.12em;
  background:linear-gradient(135deg,var(--color-cream) 0%,var(--color-copper-light) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.nav-links{display:flex;gap:2.5rem;align-items:center}
.nav-link{
  font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--color-text-muted);position:relative;transition:color .3s;
}
.nav-link::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;
  background:linear-gradient(90deg,var(--color-copper),transparent);
  transition:width .4s var(--ease-out-expo);
}
.nav-link:hover{color:var(--color-cream)}
.nav-link:hover::after{width:100%}
.nav-cta{
  padding:.65rem 1.6rem;
  font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;
  border-radius:100px;color:var(--color-cream);
  position:relative;overflow:hidden;z-index:1;
  transition:color .6s var(--ease-out-expo),box-shadow .6s,letter-spacing .6s var(--ease-out-expo),transform .6s var(--ease-out-expo);
}
.nav-cta::before{
  content:'';position:absolute;top:50%;left:50%;width:300%;aspect-ratio:1;transform-origin:center;
  background:conic-gradient(rgba(212,160,122,.7),rgba(193,127,89,.25) 25%,rgba(201,169,110,.6) 50%,rgba(193,127,89,.25) 75%,rgba(212,160,122,.7));
  animation:navBorderSpin 4s linear infinite;z-index:-2;
}
@keyframes navBorderSpin{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.nav-cta::after{content:'';position:absolute;inset:1.5px;border-radius:100px;background:var(--color-bg);z-index:-1;transition:background .6s}
.nav-cta:hover{color:#fff;box-shadow:0 0 25px rgba(193,127,89,.2),0 0 60px rgba(193,127,89,.08);letter-spacing:.17em;transform:translateY(-1px)}
.nav-cta:hover::before{animation-duration:2s}
.nav-cta:hover::after{background:rgba(25,23,20,.88)}
.nav-cta-shimmer{
  position:absolute;top:-50%;left:-50%;width:30%;height:200%;
  background:radial-gradient(ellipse at center,rgba(232,184,148,.3),transparent 70%);
  animation:navShimmer 3.5s ease-in-out infinite;pointer-events:none;z-index:0;
}
@keyframes navShimmer{0%{left:-50%;opacity:0}15%{opacity:1}50%{left:120%;opacity:1}65%{opacity:0}100%{left:120%;opacity:0}}
.nav-cta:hover .nav-cta-shimmer{animation-duration:1.8s}
.nav-cta span{position:relative;z-index:1}

/* Mobile nav */
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:.5rem}
.nav-toggle span{width:22px;height:1.5px;background:var(--color-cream);transition:all .3s}
.nav-toggle.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.nav-mobile-overlay{
  display:none;position:fixed;inset:0;z-index:99;
  background:rgba(15,15,14,.97);backdrop-filter:blur(30px);
  flex-direction:column;align-items:center;justify-content:center;gap:2rem;
  opacity:0;transition:opacity .4s;
}
.nav-mobile-overlay.active{display:flex;opacity:1}
.nav-mobile-overlay .nav-link{font-size:1.2rem;letter-spacing:.15em}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;
  padding-top:clamp(6rem,12vh,10rem);padding-bottom:clamp(3rem,6vh,5rem);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg-image{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.05);
}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(15,15,14,.55) 0%,rgba(15,15,14,.4) 30%,rgba(15,15,14,.55) 60%,rgba(15,15,14,.92) 100%),
    linear-gradient(90deg,rgba(15,15,14,.7) 0%,transparent 60%);
}
.hero-bg::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:40%;
  background:linear-gradient(to top,var(--color-bg) 0%,transparent 100%);z-index:1;
}
.hero-content{position:relative;z-index:2;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;
  border:1px solid rgba(193,127,89,.25);border-radius:100px;
  font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--color-copper-light);margin-bottom:1.25rem;
  opacity:0;animation:fadeUp 1s .5s var(--ease-out-expo) forwards;
  background:rgba(193,127,89,.12);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(2.8rem,6.5vw,5.5rem);font-weight:400;line-height:1.05;letter-spacing:-.02em;
  color:var(--color-cream);text-shadow:0 2px 20px rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.4);
  opacity:0;animation:fadeUp 1s .7s var(--ease-out-expo) forwards;
}
.hero-title em{
  font-style:italic;
  background:linear-gradient(135deg,var(--color-copper-light),var(--color-gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-description{
  margin-top:1.25rem;font-size:clamp(.9rem,1.1vw,1.05rem);line-height:1.65;
  color:rgba(245,240,235,.88);max-width:540px;text-shadow:0 1px 8px rgba(0,0,0,.4);
  opacity:0;animation:fadeUp 1s .9s var(--ease-out-expo) forwards;
}
.hero-actions{display:flex;gap:1rem;margin-top:1.75rem;flex-wrap:wrap;opacity:0;animation:fadeUp 1s 1.1s var(--ease-out-expo) forwards}

/* ============ WEBGL HERO BUTTON ============ */
.btn-hero-webgl{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:1.1rem 2.8rem;border-radius:100px;cursor:pointer;text-decoration:none;overflow:hidden;
  border:1px solid rgba(193,127,89,.25);box-shadow:0 2px 20px rgba(0,0,0,.3);
  transition:transform .6s var(--ease-out-expo),box-shadow .6s var(--ease-out-expo),border-color .6s;
}
.btn-hero-webgl:hover{transform:translateY(-2px);border-color:rgba(193,127,89,.5);box-shadow:0 8px 40px rgba(193,127,89,.25),0 0 0 1px rgba(193,127,89,.15)}
.btn-hero-webgl canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:100px;pointer-events:none;z-index:1}
.btn-hero-webgl-text{
  position:relative;z-index:2;display:flex;align-items:center;gap:.6rem;
  font-family:var(--font-body);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  color:var(--color-cream);text-shadow:0 1px 3px rgba(0,0,0,.4);
  transition:letter-spacing .6s var(--ease-out-expo);
}
.btn-hero-webgl:hover .btn-hero-webgl-text{letter-spacing:.2em}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;font-weight:500;
  border-radius:100px;position:relative;overflow:hidden;
  transition:all .4s var(--ease-out-expo);
}
.btn-primary{background:linear-gradient(135deg,var(--color-copper),var(--color-terracotta));color:var(--color-cream);box-shadow:0 4px 24px rgba(193,127,89,.25)}
.btn-primary:hover{box-shadow:0 8px 40px rgba(193,127,89,.35);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--color-copper);color:#fff;background:rgba(193,127,89,.08)}
.btn-outline:hover{border-color:var(--color-copper-light);background:rgba(193,127,89,.22);color:#fff;letter-spacing:.16em;transform:translateY(-2px);box-shadow:0 6px 30px rgba(193,127,89,.15)}

/* ============ SECTION COMMON ============ */
.section{padding:clamp(5rem,12vh,9rem) 0;position:relative}
.section-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--color-copper);margin-bottom:1.5rem;
}
.section-label::before{content:'';width:30px;height:1px;background:linear-gradient(90deg,var(--color-copper),transparent)}
.section-title{
  font-family:var(--font-display);font-size:clamp(2rem,4vw,3.2rem);
  font-weight:400;line-height:1.15;color:var(--color-cream);
}
.section-title em{font-style:italic;color:var(--color-copper-light)}

/* ============ REVEAL ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s var(--ease-out-expo),transform .8s var(--ease-out-expo)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.reveal-clip-left{opacity:0;transform:translateX(-60px) scale(.97);transition:opacity 1.1s var(--ease-out-expo),transform 1.2s var(--ease-out-expo)}
.reveal-clip-left.visible{opacity:1;transform:translateX(0) scale(1)}
.reveal-slide-right{opacity:0;transform:translateX(50px);transition:opacity .9s var(--ease-out-expo),transform .9s var(--ease-out-expo)}
.reveal-slide-right.visible{opacity:1;transform:translateX(0)}
.reveal-zoom{opacity:0;transform:scale(.92);transition:opacity 1s var(--ease-out-expo),transform 1.2s var(--ease-out-expo)}
.reveal-zoom.visible{opacity:1;transform:scale(1)}

/* Stagger children */
.stagger-scale>*{opacity:0;transform:scale(.82) translateY(25px);transition:opacity .7s var(--ease-out-expo),transform .85s var(--ease-out-expo)}
.stagger-scale.visible>*:nth-child(1){transition-delay:0s}
.stagger-scale.visible>*:nth-child(2){transition-delay:.07s}
.stagger-scale.visible>*:nth-child(3){transition-delay:.14s}
.stagger-scale.visible>*:nth-child(4){transition-delay:.21s}
.stagger-scale.visible>*:nth-child(5){transition-delay:.28s}
.stagger-scale.visible>*:nth-child(6){transition-delay:.35s}
.stagger-scale.visible>*{opacity:1;transform:scale(1) translateY(0)}
.stagger-blur>*{opacity:0;filter:blur(8px);transform:translateY(15px);transition:opacity .8s var(--ease-out-expo),filter 1s var(--ease-out-expo),transform .8s var(--ease-out-expo)}
.stagger-blur.visible>*:nth-child(1){transition-delay:0s}
.stagger-blur.visible>*:nth-child(2){transition-delay:.12s}
.stagger-blur.visible>*:nth-child(3){transition-delay:.24s}
.stagger-blur.visible>*{opacity:1;filter:blur(0);transform:translateY(0)}
.stagger-clip>*{opacity:0;transform:translateY(30px) scale(.97);transition:opacity .8s var(--ease-out-expo),transform 1.1s var(--ease-out-expo)}
.stagger-clip.visible>*:nth-child(1){transition-delay:0s}
.stagger-clip.visible>*:nth-child(2){transition-delay:.15s}
.stagger-clip.visible>*:nth-child(3){transition-delay:.3s}
.stagger-clip.visible>*{opacity:1;transform:translateY(0) scale(1)}
.stagger-draw>*{opacity:0;transform:translateY(40px) scale(.95);transition:opacity .8s var(--ease-out-expo),transform .9s var(--ease-out-expo)}
.stagger-draw.visible>*:nth-child(1){transition-delay:0s}
.stagger-draw.visible>*:nth-child(2){transition-delay:.15s}
.stagger-draw.visible>*:nth-child(3){transition-delay:.3s}
.stagger-draw.visible>*:nth-child(4){transition-delay:.45s}
.stagger-draw.visible>*{opacity:1;transform:translateY(0) scale(1)}
.stagger-soft>*{opacity:0;transform:translateY(20px);transition:opacity .9s ease,transform .9s ease}
.stagger-soft.visible>*:nth-child(1){transition-delay:0s}
.stagger-soft.visible>*:nth-child(2){transition-delay:.1s}
.stagger-soft.visible>*:nth-child(3){transition-delay:.2s}
.stagger-soft.visible>*:nth-child(4){transition-delay:.3s}
.stagger-soft.visible>*{opacity:1;transform:translateY(0)}

/* ============ PHILOSOPHY ============ */
.philosophy{background:var(--color-bg)}
.philosophy-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(3rem,6vw,6rem);align-items:center}
.philosophy-image{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/5}
.philosophy-image img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out-expo)}
.philosophy-image:hover img{transform:scale(1.04)}
.philosophy-image::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,var(--color-bg) 0%,transparent 100%);pointer-events:none}
.philosophy-image::before{
  content:'';position:absolute;inset:0;z-index:1;border-radius:16px;padding:1px;
  background:linear-gradient(160deg,rgba(193,127,89,.4),transparent 40%,transparent 60%,rgba(201,169,110,.2));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.philosophy-text{max-width:520px}
.philosophy-desc{font-size:.95rem;line-height:1.8;color:var(--color-text-muted)}
.philosophy-features{display:flex;flex-direction:column;gap:1.5rem;margin-top:2.5rem}
.philosophy-feature{display:flex;align-items:flex-start;gap:1rem}
.philosophy-feature-icon{
  width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(193,127,89,.1);border:1px solid rgba(193,127,89,.15);
  color:var(--color-copper-light);font-size:1.1rem;
}
.philosophy-feature-icon svg{width:22px;height:22px;stroke:var(--color-copper-light);fill:none;stroke-width:1.5}
.philosophy-feature-text h4{font-size:.85rem;font-weight:600;color:var(--color-cream);margin-bottom:.25rem}
.philosophy-feature-text p{font-size:.82rem;line-height:1.6;color:var(--color-text-muted)}

/* ============ SERVICES ============ */
.services{background:var(--color-bg);position:relative}
.services::before{content:'';position:absolute;top:-200px;right:-200px;width:500px;height:500px;background:radial-gradient(circle,rgba(193,127,89,.06) 0%,transparent 70%);pointer-events:none}
.services-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:clamp(3rem,5vw,5rem);flex-wrap:wrap;gap:2rem}
.services-header .section-title{max-width:600px}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.service-card{
  position:relative;padding:clamp(2rem,3vw,2.5rem);border-radius:20px;
  background:var(--color-bg-elevated);overflow:hidden;
  transition:transform .5s var(--ease-out-expo),box-shadow .5s;cursor:default;
}
.service-card::before{
  content:'';position:absolute;inset:0;border-radius:20px;padding:1px;
  background:linear-gradient(160deg,rgba(193,127,89,.3),transparent 50%,transparent 50%,rgba(138,154,123,.15));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;transition:opacity .5s;opacity:.5;
}
.service-card:hover::before{opacity:1}
.service-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.service-card::after{
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background:radial-gradient(circle at var(--mouse-x,50%) var(--mouse-y,0%),rgba(193,127,89,.06) 0%,transparent 60%);
  pointer-events:none;opacity:0;transition:opacity .5s;
}
.service-card:hover::after{opacity:1}
.service-card h3{font-family:var(--font-display);font-size:1.25rem;font-weight:500;color:var(--color-cream);margin-bottom:.75rem;position:relative;z-index:1}
.service-card p{font-size:.85rem;line-height:1.7;color:var(--color-text-muted);position:relative;z-index:1}

/* ============ PROCESS / MÉTODO ============ */
.process-container{border-top:1px solid rgba(193,127,89,.2);padding-top:clamp(3rem,5vw,4rem);margin-top:clamp(3rem,5vw,4rem)}
.process-title{font-family:var(--font-display);text-align:center;margin-bottom:3rem;font-size:clamp(1.5rem,3vw,1.9rem);color:var(--color-cream);font-weight:500}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.process-step{
  position:relative;padding:1.5rem;border-radius:16px;
  background:rgba(255,255,255,.03);border:1px solid rgba(193,127,89,.2);
  transition:transform .5s var(--ease-out-expo),border-color .5s,background .5s;
}
.process-step:hover{transform:translateY(-4px);border-color:rgba(193,127,89,.45);background:rgba(255,255,255,.05)}
.process-step .step-number{display:block;font-family:var(--font-display);font-size:1.6rem;color:var(--color-copper);font-weight:600;margin-bottom:.75rem}
.process-step h3{color:var(--color-cream);font-size:1.05rem;margin-bottom:.6rem;font-weight:600}
.process-step p{color:var(--color-text-muted);font-size:.85rem;line-height:1.6}

/* ============ PROJECTS (mosaico home) ============ */
.projects{background:var(--color-bg);overflow:hidden}
.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:clamp(2rem,4vw,3rem)}
.project-card{position:relative;border-radius:20px;overflow:hidden;cursor:pointer;aspect-ratio:4/3;display:block}
.project-card-image{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out-expo)}
.project-card:hover .project-card-image{transform:scale(1.05)}
.project-card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,15,14,.85) 0%,rgba(15,15,14,.1) 55%,rgba(15,15,14,.25) 100%);transition:background .5s}
.project-card:hover .project-card-overlay{background:linear-gradient(to top,rgba(15,15,14,.92) 0%,rgba(15,15,14,.05) 45%,rgba(15,15,14,.15) 100%)}
.project-card-content{position:absolute;bottom:0;left:0;right:0;padding:clamp(1.5rem,3vw,2.25rem);z-index:1}
.project-card h3{font-family:var(--font-display);font-size:clamp(1.4rem,2.5vw,2rem);font-weight:500;color:var(--color-cream);letter-spacing:.02em}
.project-card-arrow{
  position:absolute;top:1.5rem;right:1.5rem;width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;
  background:rgba(193,127,89,.15);border:1px solid rgba(193,127,89,.25);color:var(--color-copper-light);
  font-size:1.2rem;opacity:0;transform:translate(-10px,10px);transition:all .5s var(--ease-out-expo);
}
.project-card:hover .project-card-arrow{opacity:1;transform:translate(0,0)}

/* ============ REVIEWS / CLIENTES ============ */
.reviews{background:var(--color-bg);position:relative}
.reviews::before{content:'';position:absolute;bottom:-200px;left:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(201,169,110,.04) 0%,transparent 70%);pointer-events:none}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:clamp(2.5rem,4vw,3rem);align-items:start}
.review-card{
  position:relative;padding:clamp(1.75rem,3vw,2.5rem);border-radius:20px;
  background:var(--color-bg-elevated);transition:transform .5s var(--ease-out-expo);
}
.review-card::before{
  content:'';position:absolute;inset:0;border-radius:20px;padding:1px;
  background:linear-gradient(160deg,rgba(193,127,89,.2),transparent 40%,transparent 60%,rgba(201,169,110,.1));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.review-card:hover{transform:translateY(-4px)}
.review-stars{color:var(--color-gold);margin-bottom:1.25rem;font-size:1rem;letter-spacing:.15em}
.review-card p{font-size:.9rem;line-height:1.7;color:var(--color-cream-muted);margin-bottom:1rem}
.review-author{display:flex;align-items:center;gap:1rem;margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid rgba(193,127,89,.12)}
.review-author-icon{color:var(--color-copper-light);opacity:.7;flex-shrink:0;display:flex}
.review-author-info h4{font-size:.9rem;font-weight:600;color:var(--color-cream);margin:0}
.review-author-info span{font-size:.78rem;color:var(--color-text-muted)}

/* ============ CTA ============ */
.cta{background:var(--color-bg);padding:clamp(5rem,10vw,9rem) 0;position:relative;overflow:hidden;text-align:center}
.cta-content{position:relative;z-index:1;max-width:720px;margin:0 auto}
.cta-title{font-family:var(--font-display);font-size:clamp(2.2rem,5vw,3.8rem);font-weight:400;line-height:1.1;color:var(--color-cream);margin-bottom:2rem}
.cta-title em{font-style:italic;background:linear-gradient(135deg,var(--color-copper-light),var(--color-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cta-text{font-size:1rem;line-height:1.7;color:var(--color-text-muted);margin-bottom:2.5rem}
/* Botão brilhante animado */
.btn-glow{
  position:relative;display:inline-flex;align-items:center;gap:.6rem;
  padding:1.1rem 2.5rem;border-radius:100px;background:var(--color-bg);color:var(--color-cream);
  font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;font-weight:500;z-index:1;overflow:hidden;
}
.btn-glow::before{content:'';position:absolute;inset:-2px;border-radius:100px;background:conic-gradient(from var(--glow-angle,0deg),var(--color-copper),var(--color-gold),var(--color-sage),var(--color-copper));z-index:-2;animation:glowRotate 4s linear infinite}
.btn-glow::after{content:'';position:absolute;inset:2px;border-radius:100px;background:var(--color-bg);z-index:-1}
.btn-glow span,.btn-glow svg{position:relative;z-index:1}
@keyframes glowRotate{0%{--glow-angle:0deg}100%{--glow-angle:360deg}}
@property --glow-angle{syntax:'<angle>';initial-value:0deg;inherits:false}

/* ============ FOOTER ============ */
.footer{padding:clamp(4rem,8vw,6rem) 0 2rem;background:var(--color-bg-elevated);border-top:1px solid rgba(193,127,89,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(2rem,4vw,4rem);margin-bottom:3.5rem}
.footer-logo{font-family:var(--font-display);font-size:1.4rem;font-weight:600;letter-spacing:.1em;background:linear-gradient(135deg,var(--color-cream),var(--color-copper-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1.25rem}
.footer-brand p{font-size:.85rem;line-height:1.7;color:var(--color-text-muted);max-width:340px}
.footer-column h4{font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--color-copper);margin-bottom:1.5rem}
.footer-column ul{list-style:none;display:flex;flex-direction:column;gap:.85rem}
.footer-column a{font-size:.85rem;color:var(--color-text-muted);transition:color .3s}
.footer-column a:hover{color:var(--color-cream)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:2rem;border-top:1px solid rgba(193,127,89,.08);flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:.78rem;color:var(--color-text-subtle)}

/* ============ WHATSAPP FLUTUANTE ============ */
.wa-float{
  position:fixed;right:clamp(1rem,3vw,1.75rem);bottom:clamp(1rem,3vw,1.75rem);z-index:120;
  display:inline-flex;align-items:center;gap:.65rem;
  padding:.85rem 1.35rem .85rem 1rem;border-radius:100px;
  background:var(--color-whatsapp);color:#fff;font-weight:600;font-size:.85rem;
  box-shadow:0 8px 30px rgba(37,211,102,.35),0 2px 10px rgba(0,0,0,.3);
  transition:transform .4s var(--ease-out-expo),box-shadow .4s;
  opacity:0;transform:translateY(20px) scale(.9);pointer-events:none;
}
.wa-float.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.wa-float:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 12px 40px rgba(37,211,102,.45)}
.wa-float svg{width:26px;height:26px;flex-shrink:0}
.wa-float-label{white-space:nowrap}
.wa-float::after{content:'';position:absolute;inset:0;border-radius:100px;background:var(--color-whatsapp);z-index:-1;animation:waPulse 2.6s var(--ease-out-expo) infinite}
@keyframes waPulse{0%{opacity:.5;transform:scale(1)}70%,100%{opacity:0;transform:scale(1.35)}}
@media(max-width:480px){.wa-float-label{display:none}.wa-float{padding:.9rem;border-radius:50%}}

/* ============ HR GRADIENT ============ */
.gradient-hr{border:none;height:1px;background:linear-gradient(90deg,transparent,rgba(193,127,89,.3),transparent);margin:0}

/* ============ NOISE OVERLAY ============ */
body::before{
  content:'';position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat:repeat;
}

/* =====================================================================
   PÁGINA DE PROJETO (interna)
   ===================================================================== */
.project-page{padding-top:clamp(7rem,14vh,10rem)}
.project-hero{padding-bottom:0}
.project-title{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.5rem);color:var(--color-cream);margin-bottom:1.5rem;font-weight:400;letter-spacing:.01em}
.project-desc{color:var(--color-text-muted);font-size:1.05rem;line-height:1.75;max-width:820px;margin-bottom:1.5rem}
.project-desc:last-of-type{margin-bottom:2.5rem}
.project-meta{display:flex;flex-wrap:wrap;gap:clamp(1.5rem,4vw,3rem);padding:1.5rem 0;border-top:1px solid rgba(193,127,89,.2);border-bottom:1px solid rgba(193,127,89,.2)}
.project-meta-item{display:flex;align-items:center;gap:1rem;color:var(--color-text-muted)}
.project-meta-item svg{color:var(--color-copper);transition:transform .3s ease,color .3s ease}
.project-meta-item:hover svg{transform:translateY(-4px);color:var(--color-cream)}
.project-meta-item span{font-size:.9rem;text-transform:uppercase;letter-spacing:.1em}

/* Galeria mosaico */
.project-gallery{padding:clamp(3rem,6vw,5rem) 0}
.gallery-mosaic{columns:2;column-gap:1.25rem}
.gallery-mosaic figure{break-inside:avoid;margin:0 0 1.25rem;border-radius:14px;overflow:hidden;position:relative}
.gallery-mosaic img{width:100%;height:auto;display:block;transition:transform .8s var(--ease-out-expo)}
.gallery-mosaic figure:hover img{transform:scale(1.04)}
.back-to-home{padding:2rem 0 4rem;text-align:center}

/* Aviso de conteúdo pendente (Casa Concreto) */
.pending-note{
  max-width:820px;margin:0 0 2.5rem;padding:1rem 1.25rem;border-radius:12px;
  background:rgba(193,127,89,.08);border:1px dashed rgba(193,127,89,.4);
  color:var(--color-copper-light);font-size:.85rem;line-height:1.6;
}

/* =====================================================================
   RESPONSIVO
   ===================================================================== */
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:6rem;padding-bottom:2.5rem}
  .philosophy-grid{grid-template-columns:1fr;gap:2.5rem}
  .philosophy-image{aspect-ratio:16/10}
  .services-grid{grid-template-columns:1fr}
  .services-header{flex-direction:column;align-items:flex-start}
  .process-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:2.5rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .gallery-mosaic{columns:1}
  .project-meta{gap:1.25rem}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn,.hero-actions .btn-hero-webgl{width:100%;justify-content:center}
}

/* =====================================================================
   MODERN ENHANCEMENTS
   ===================================================================== */

/* Barra de progresso de scroll */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:200;background:linear-gradient(90deg,var(--color-copper),var(--color-gold));box-shadow:0 0 12px rgba(193,127,89,.5);transition:width .12s linear}

/* Cursor glow (desktop) */
.cursor-glow{position:fixed;width:640px;height:640px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(193,127,89,.05) 0%,transparent 70%);transform:translate(-50%,-50%);will-change:left,top;mix-blend-mode:screen}

/* Nav link ativo (scrollspy) */
.nav-link.active{color:var(--color-cream)}
.nav-link.active::after{width:100%}

/* Hero — indicador de scroll */
.hero-scroll{position:absolute;left:50%;bottom:1.75rem;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:.6rem;color:var(--color-text-muted);opacity:0;animation:fadeUp 1s 1.7s var(--ease-out-expo) forwards}
.hero-scroll span{font-size:.6rem;letter-spacing:.28em;text-transform:uppercase}
.hero-scroll-mouse{width:22px;height:36px;border:1px solid rgba(193,127,89,.45);border-radius:12px;position:relative}
.hero-scroll-mouse::before{content:'';position:absolute;top:6px;left:50%;width:3px;height:6px;border-radius:2px;background:var(--color-copper-light);transform:translateX(-50%);animation:scrollDot 1.8s var(--ease-out-expo) infinite}
@keyframes scrollDot{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}65%{opacity:1;transform:translate(-50%,11px)}100%{opacity:0;transform:translate(-50%,13px)}}
.hero-tag svg{width:1em;height:1em;flex-shrink:0}

/* Service cards — ícone + número + kicker */
.services-header{align-items:flex-start}
.services-header-text{display:flex;flex-direction:column}
.service-card{padding-top:clamp(2.25rem,3vw,2.75rem)}
.service-card-icon{width:54px;height:54px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,rgba(193,127,89,.14),rgba(193,127,89,.04));border:1px solid rgba(193,127,89,.18);color:var(--color-copper-light);margin-bottom:1.5rem;position:relative;z-index:1;transition:transform .5s var(--ease-out-expo)}
.service-card:hover .service-card-icon{transform:translateY(-3px) scale(1.05)}
.service-card-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.5}
.service-card-number{position:absolute;top:1.3rem;right:1.6rem;font-family:var(--font-display);font-size:2.9rem;font-weight:600;color:rgba(193,127,89,.1);line-height:1;z-index:0}

/* Helpers */
.section-label.center{justify-content:center}
.text-center{text-align:center}

/* Marquee de segmentos */
.marquee-section{padding:clamp(1.5rem,3vw,2.25rem) 0;border-top:1px solid rgba(193,127,89,.08);border-bottom:1px solid rgba(193,127,89,.08);overflow:hidden;background:var(--color-bg-elevated)}
.marquee-track{display:flex;width:max-content;animation:marquee 34s linear infinite}
.marquee-section:hover .marquee-track{animation-play-state:paused}
.marquee-item{display:flex;align-items:center;gap:2rem;padding:0 2rem;white-space:nowrap}
.marquee-item span{font-family:var(--font-display);font-size:clamp(1.1rem,2vw,1.6rem);font-weight:400;font-style:italic;color:var(--color-text-subtle);transition:color .3s}
.marquee-item span:hover{color:var(--color-copper-light)}
.marquee-dot{width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--color-copper),var(--color-gold));flex-shrink:0}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* Projetos — refino editorial */
.projects-header{text-align:center;margin-bottom:clamp(2.5rem,5vw,4rem)}
.projects-header .section-title{margin:0 auto}
.projects-subtitle{max-width:560px;margin:1.25rem auto 0;font-size:.95rem;line-height:1.7;color:var(--color-text-muted)}
.project-card-label{display:inline-flex;align-items:center;gap:.5rem;margin-top:.85rem;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--color-copper-light);opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease-out-expo),transform .5s var(--ease-out-expo)}
.project-card:hover .project-card-label{opacity:1;transform:translateY(0)}
.project-card h3{transition:transform .5s var(--ease-out-expo)}
.project-card:hover h3{transform:translateY(-2px)}

/* CTA — fundo com imagem */
.cta{isolation:isolate}
.cta-bg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.cta-bg-image{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;transform:scale(1.05)}
.cta-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 0%,var(--color-bg) 78%)}

/* Botão CTA de WhatsApp — preenchido, com destaque */
.btn-cta-wa{
  display:inline-flex;align-items:center;gap:.7rem;
  padding:1.15rem 2.9rem;border-radius:100px;
  background:linear-gradient(135deg,var(--color-copper),var(--color-terracotta));
  color:var(--color-cream);
  font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  box-shadow:0 10px 34px rgba(193,127,89,.4),0 2px 10px rgba(0,0,0,.3);
  position:relative;overflow:hidden;
  transition:transform .5s var(--ease-out-expo),box-shadow .5s var(--ease-out-expo),letter-spacing .5s var(--ease-out-expo);
}
.btn-cta-wa>*{position:relative;z-index:2}
.btn-cta-wa svg{flex-shrink:0}
.btn-cta-wa::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,var(--color-terracotta),var(--color-copper));opacity:0;transition:opacity .5s}
.btn-cta-wa:hover{transform:translateY(-3px);letter-spacing:.16em;box-shadow:0 16px 48px rgba(193,127,89,.52),0 4px 14px rgba(0,0,0,.35)}
.btn-cta-wa:hover::after{opacity:1}
.btn-cta-wa::before{content:'';position:absolute;top:0;left:-60%;width:35%;height:100%;z-index:1;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);animation:ctaShine 4.5s ease-in-out infinite;pointer-events:none}
@keyframes ctaShine{0%{left:-60%}45%,100%{left:150%}}

/* Rodapé simples / centralizado */
.footer-simple{text-align:center}
.footer-simple .footer-logo{margin:0 auto 1rem}
.footer-simple-brand{max-width:540px;margin:0 auto 2.25rem}
.footer-simple-brand p{color:var(--color-text-muted);font-size:.92rem;line-height:1.75}
.footer-simple .footer-bottom{justify-content:center;text-align:center;padding-top:1.75rem;border-top:1px solid rgba(193,127,89,.08)}

/* Acessibilidade: reduzir movimento */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .hero-tag,.hero-title,.hero-description,.hero-actions,.hero-scroll{opacity:1!important}
  .cursor-glow{display:none}
}