/**
 * Projeto: NÍTIDA Óptica — Website Institucional Premium
 * Empresa: Dule Digital / Desenvolvedor: Alex Vieira
 * Copyright © Dule Digital — Todos os direitos reservados
 *
 * Sistema de design "NÍTIDA":
 * Paleta inspirada em instrumentos ópticos de precisão — verde-garrafa
 * profundo, latão escovado e papel marfim — em vez dos padrões
 * genéricos de IA (creme + terracota / preto + neon).
 */

:root{
  --c-ink:        #14201C; /* verde-garrafa quase preto — fundo escuro */
  --c-ink-soft:   #1F3A34; /* verde-garrafa — seções e superfícies escuras */
  --c-paper:      #EEEAE2; /* marfim frio — fundo claro */
  --c-paper-soft: #E4DED2; /* marfim mais escuro — cards sobre paper */
  --c-brass:      #B08D57; /* latão — acento principal, CTAs */
  --c-brass-light:#D9BE93; /* latão claro — hover, detalhes */
  --c-mist:       #8FA69D; /* verde-névoa — texto secundário sobre escuro */
  --c-text:       #1B241F;
  --c-text-muted: #5B6A62;
  --c-white:      #FBFAF7;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --container-w: 1200px;
  --radius: 4px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none; margin:0; padding:0;}

.container{
  width:100%;
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 1.5rem;
}

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:500;
  line-height:1.15;
  margin:0;
  color:var(--c-ink);
}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--c-brass); color:var(--c-white);
  padding:.75rem 1.25rem; z-index:200;
}
.skip-link:focus{ left:1rem; top:1rem; }

:focus-visible{ outline:2px solid var(--c-brass); outline-offset:3px; }

/* ================= HEADER ================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(238,234,226,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(20,32,28,.08);
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.brand{ display:flex; align-items:center; gap:.6rem; color:var(--c-ink); }
.brand__mark{ color:var(--c-brass); display:flex; }
.brand__name{
  font-family:var(--font-display); font-size:1.15rem; letter-spacing:.04em;
  display:flex; flex-direction:column; line-height:1;
}
.brand__suffix{ font-family:var(--font-mono); font-size:.55rem; letter-spacing:.28em; color:var(--c-text-muted); margin-top:.3rem;}
.brand__name--footer{ color:var(--c-white); }
.brand__name--footer .brand__suffix{ color:var(--c-mist); }

.main-nav ul{ display:flex; gap:2.1rem; }
.main-nav a{
  font-size:.92rem; font-weight:500; color:var(--c-text);
  position:relative; padding:.3rem 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--c-brass);
  transition:width .3s var(--ease);
}
.main-nav a:hover::after{ width:100%; }

.site-header__actions{ display:flex; align-items:center; gap:1rem; }
.btn-whatsapp{
  display:flex; align-items:center; gap:.5rem;
  font-size:.82rem; font-weight:500;
  background:var(--c-ink); color:var(--c-white);
  padding:.55rem 1rem; border-radius:100px;
}
.btn-whatsapp:hover{ background:var(--c-ink-soft); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; padding:.5rem; cursor:pointer; }
.nav-toggle span{ width:22px; height:1.5px; background:var(--c-ink); display:block; }
.nav-mobile{ display:none; }

@media (max-width: 900px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .btn-whatsapp span{ display:none; }
  .nav-mobile{
    display:block; max-height:0; overflow:hidden; background:var(--c-paper);
    transition:max-height .35s var(--ease); border-top:1px solid rgba(20,32,28,.08);
  }
  .nav-mobile.is-open{ max-height:400px; }
  .nav-mobile ul{ padding:1rem 1.5rem; display:flex; flex-direction:column; gap:1rem; }
}

/* ================= HERO — assinatura: desfoque > foco ================= */
.hero{
  position:relative;
  min-height:92vh;
  display:flex; align-items:center;
  background:var(--c-ink);
  overflow:hidden;
}
.hero__focus-layer{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 75% 30%, rgba(176,141,87,.35), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(143,166,157,.18), transparent 60%);
  filter: blur(0px);
  transition: filter .1s linear;
}
.hero.is-blurred .hero__focus-layer{ filter: blur(18px); }

.hero__inner{ position:relative; z-index:2; padding:6rem 1.5rem; max-width:760px; }
.eyebrow{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--c-brass-light); margin:0 0 1.5rem;
}
.hero__title{
  font-size:clamp(2.4rem, 5.4vw, 4.4rem); color:var(--c-white); margin-bottom:1.5rem;
}
.hero__title-accent{ color:var(--c-mist); font-style:italic; }
.hero__lead{
  color:rgba(251,250,247,.75); font-size:1.1rem; max-width:34rem; margin-bottom:2.2rem;
}
.hero__actions{ display:flex; gap:1rem; flex-wrap:wrap; }

[data-focus-fade]{
  transition: filter .1s linear, opacity .1s linear;
}
.hero.is-blurred [data-focus-fade]{ filter: blur(6px); opacity:.55; }

.hero__scroll-hint{
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.5rem; z-index:2;
}
.hero__scroll-hint span{
  width:1px; height:38px; background:linear-gradient(var(--c-brass), transparent);
}
.hero__scroll-hint small{
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.18em; text-transform:uppercase; color:var(--c-mist);
}

/* Buttons */
.btn-primary, .btn-ghost{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.9rem 1.9rem; font-size:.9rem; font-weight:500; border-radius:2px;
  transition:all .25s var(--ease);
}
.btn-primary{ background:var(--c-brass); color:var(--c-ink); }
.btn-primary:hover{ background:var(--c-brass-light); transform:translateY(-2px); }
.btn-primary--light{ background:var(--c-white); }
.btn-ghost{ border:1px solid rgba(251,250,247,.35); color:var(--c-white); }
.btn-ghost:hover{ border-color:var(--c-brass-light); color:var(--c-brass-light); }

/* ================= BRANDS STRIP ================= */
.brands-strip{ background:var(--c-paper-soft); padding:1.6rem 0; border-bottom:1px solid rgba(20,32,28,.08); }
.brands-strip__label{
  font-family:var(--font-mono); font-size:.65rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--c-text-muted); margin-bottom:.8rem;
}
.brands-strip__row{ display:flex; gap:2.5rem; flex-wrap:wrap; }
.brands-strip__row span{
  font-family:var(--font-display); font-size:1.1rem; letter-spacing:.03em; color:var(--c-text-muted); opacity:.7;
}

/* ================= SECTION SHARED ================= */
.section{ padding:6.5rem 0; }
.section__eyebrow{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--c-brass);
}
.section__head{ margin-bottom:3rem; max-width:34rem; }
.section__head h2{ font-size:clamp(1.8rem,3.2vw,2.6rem); margin-top:.6rem; }
.section__head--center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ================= CATEGORIES ================= */
.categories__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; }
.category-card{
  position:relative; aspect-ratio:3/4; border-radius:var(--radius);
  background:linear-gradient(160deg, var(--c-ink-soft), var(--c-ink));
  display:flex; flex-direction:column; justify-content:flex-end; padding:1.5rem;
  overflow:hidden; color:var(--c-white);
  transition:transform .4s var(--ease);
}
.category-card__glass{
  position:absolute; inset:0;
  background:radial-gradient(circle at 70% 20%, rgba(176,141,87,.35), transparent 55%);
  opacity:.6; transition:opacity .4s var(--ease);
}
.category-card:hover{ transform:translateY(-6px); }
.category-card:hover .category-card__glass{ opacity:1; }
.category-card__name{ font-family:var(--font-display); font-size:1.2rem; position:relative; z-index:1; }
.category-card__arrow{
  position:relative; z-index:1; margin-top:.6rem; color:var(--c-brass-light);
  transform:translateX(0); transition:transform .3s var(--ease);
}
.category-card:hover .category-card__arrow{ transform:translateX(6px); }

@media (max-width:900px){ .categories__grid{ grid-template-columns:repeat(2,1fr); } }

/* ================= DIFERENCIAIS ================= */
.diffs{ background:var(--c-ink); }
.diffs .section__eyebrow{ color:var(--c-brass-light); }
.diffs__grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:4rem; align-items:start; }
.diffs__intro h2{ color:var(--c-white); margin-top:.6rem; font-size:clamp(1.8rem,3vw,2.4rem); }
.diffs__intro p{ color:var(--c-mist); margin-top:1rem; max-width:26rem; }
.diffs__list li{
  display:flex; gap:1.5rem; padding:1.6rem 0; border-top:1px solid rgba(251,250,247,.12);
}
.diffs__list li:last-child{ border-bottom:1px solid rgba(251,250,247,.12); }
.diffs__index{ font-family:var(--font-mono); color:var(--c-brass); font-size:.85rem; padding-top:.2rem; }
.diffs__list h3{ color:var(--c-white); font-size:1.1rem; margin-bottom:.4rem; }
.diffs__list p{ color:var(--c-mist); font-size:.92rem; margin:0; }

@media (max-width:900px){ .diffs__grid{ grid-template-columns:1fr; gap:2.5rem; } }

/* ================= TESTIMONIALS ================= */
.testimonials__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.testimonial-card{
  background:var(--c-white); border:1px solid rgba(20,32,28,.08); border-radius:var(--radius);
  padding:2rem; margin:0;
}
.testimonial-card blockquote{
  font-family:var(--font-display); font-size:1.15rem; color:var(--c-ink); margin:0 0 1.2rem; font-style:italic;
}
.testimonial-card figcaption{ font-family:var(--font-mono); font-size:.75rem; letter-spacing:.05em; color:var(--c-text-muted); }

@media (max-width:900px){ .testimonials__grid{ grid-template-columns:1fr; } }

/* ================= CTA FINAL ================= */
.cta-final{ background:var(--c-brass); padding:5rem 0; }
.cta-final__inner{ text-align:center; max-width:38rem; margin:0 auto; }
.cta-final h2{ font-size:clamp(1.7rem,3vw,2.3rem); }
.cta-final p{ margin:1rem 0 2rem; color:rgba(20,32,28,.75); }

/* ================= FOOTER ================= */
.site-footer{ background:var(--c-ink); color:var(--c-mist); padding:5rem 0 2rem; }
.site-footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:2.5rem; }
.site-footer__brand p{ margin:1rem 0 1.2rem; max-width:24rem; font-size:.92rem; }
.site-footer h3{ color:var(--c-white); font-size:.85rem; font-family:var(--font-mono); letter-spacing:.1em; text-transform:uppercase; margin-bottom:1.2rem; }
.site-footer ul{ display:flex; flex-direction:column; gap:.7rem; }
.site-footer a:hover{ color:var(--c-brass-light); }
.contact-list li{ font-size:.9rem; }
.social-row{ display:flex; gap:.8rem; }
.social-row a{
  width:34px; height:34px; border:1px solid rgba(251,250,247,.2); border-radius:100px;
  display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.7rem;
}
.site-footer__bottom{
  margin-top:4rem; padding-top:1.5rem; border-top:1px solid rgba(251,250,247,.1);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.5rem;
  font-size:.8rem;
}
.dev-signature a{ color:var(--c-brass-light); }

@media (max-width:900px){ .site-footer__grid{ grid-template-columns:1fr 1fr; } }

/* ================= INNER PAGES: shared ================= */
.breadcrumbs{ padding:1.4rem 1.5rem 0; max-width:var(--container-w); margin:0 auto; }
.breadcrumbs ol{ display:flex; flex-wrap:wrap; gap:.4rem; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.03em; color:var(--c-text-muted); }
.breadcrumbs li:not(:last-child)::after{ content:'/'; margin-left:.4rem; opacity:.5; }
.breadcrumbs a:hover{ color:var(--c-brass); }
.breadcrumbs [aria-current]{ color:var(--c-ink); }

.page-hero{ padding:5rem 0 3.5rem; max-width:44rem; margin:0 auto; text-align:left; }
.page-hero .container{ max-width:44rem; }
.page-hero h1{ font-size:clamp(2rem,4vw,3rem); margin:.6rem 0 1.2rem; }
.page-hero__lead{ color:var(--c-text-muted); font-size:1.05rem; max-width:34rem; }

/* Categorias — variante ampla usada na página /produtos */
.categories__grid--wide{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .categories__grid--wide{ grid-template-columns:repeat(2,1fr); } }

/* Split block (Missão / Visão) */
.split-block{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; }
.split-block h2{ margin:.6rem 0 1rem; font-size:1.5rem; }
.split-block p{ color:var(--c-text-muted); }
@media (max-width:900px){ .split-block{ grid-template-columns:1fr; } }

/* Valores */
.value-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.value-card{ background:var(--c-white); border:1px solid rgba(20,32,28,.08); border-radius:var(--radius); padding:1.8rem; }
.value-card h3{ font-size:1.05rem; margin-bottom:.5rem; }
.value-card p{ color:var(--c-text-muted); font-size:.92rem; margin:0; }
@media (max-width:900px){ .value-grid{ grid-template-columns:1fr; } }

/* Equipe */
.team-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.team-card{ text-align:center; }
.team-card__avatar{
  display:block; width:84px; height:84px; margin:0 auto 1rem; border-radius:100px;
  background:linear-gradient(160deg, var(--c-ink-soft), var(--c-brass));
}
.team-card h3{ font-size:1rem; margin-bottom:.2rem; }
.team-card p{ color:var(--c-text-muted); font-size:.85rem; margin:0; }
@media (max-width:900px){ .team-grid{ grid-template-columns:1fr; } }

/* Serviços */
.service-list{ display:flex; flex-direction:column; }
.service-row{
  display:flex; justify-content:space-between; align-items:flex-start; gap:2rem;
  padding:1.8rem 0; border-top:1px solid rgba(20,32,28,.1);
}
.service-list .service-row:last-child{ border-bottom:1px solid rgba(20,32,28,.1); }
.service-row__main h3{ font-size:1.1rem; margin-bottom:.4rem; }
.service-row__main p{ color:var(--c-text-muted); max-width:32rem; margin:0; }
.service-row__duracao{ font-family:var(--font-mono); font-size:.78rem; color:var(--c-brass); white-space:nowrap; }
@media (max-width:640px){ .service-row{ flex-direction:column; gap:.6rem; } }

/* Tag chips (itens de categoria de produto) */
.tag-grid{ display:flex; flex-wrap:wrap; gap:.8rem; }
.tag-chip{
  font-family:var(--font-mono); font-size:.82rem; padding:.6rem 1.1rem;
  border:1px solid rgba(20,32,28,.15); border-radius:100px; color:var(--c-text);
}

/* Marcas */
.brand-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; }
.brand-card{
  display:flex; flex-direction:column; gap:.4rem; padding:2.2rem 1.6rem;
  background:var(--c-white); border:1px solid rgba(20,32,28,.08); border-radius:var(--radius);
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.brand-card:hover{ border-color:var(--c-brass); transform:translateY(-4px); }
.brand-card__name{ font-family:var(--font-display); font-size:1.25rem; color:var(--c-ink); }
.brand-card__origem{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--c-text-muted); }
@media (max-width:900px){ .brand-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .brand-grid{ grid-template-columns:1fr; } }

/* Blog */
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.blog-card{
  display:flex; flex-direction:column; gap:.6rem; padding:1.8rem;
  background:var(--c-white); border:1px solid rgba(20,32,28,.08); border-radius:var(--radius);
  transition:border-color .25s var(--ease);
}
.blog-card:hover{ border-color:var(--c-brass); }
.blog-card__categoria{ font-family:var(--font-mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--c-brass); }
.blog-card h2{ font-size:1.15rem; }
.blog-card p{ color:var(--c-text-muted); font-size:.92rem; margin:0; }
.blog-card__data{ font-family:var(--font-mono); font-size:.72rem; color:var(--c-text-muted); margin-top:.4rem; }
@media (max-width:900px){ .blog-grid{ grid-template-columns:1fr; } }

.blog-post__inner{ max-width:42rem; }
.blog-post h1{ font-size:clamp(1.8rem,3.6vw,2.6rem); margin:.6rem 0 1rem; }
.blog-post__data{ font-family:var(--font-mono); font-size:.78rem; color:var(--c-text-muted); margin-bottom:2rem; }
.blog-post__corpo{ font-size:1.05rem; color:var(--c-text); margin-bottom:2.5rem; }
.btn-ghost--dark{ border-color:rgba(20,32,28,.25); color:var(--c-ink); }
.btn-ghost--dark:hover{ border-color:var(--c-brass); color:var(--c-brass); }

/* Contato */
.contact-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:4rem; align-items:start; }
.contact-info h2, .contact-form-wrap h2{ font-size:1.4rem; margin-bottom:1.5rem; }
.contact-list--page{ display:flex; flex-direction:column; gap:1.1rem; }
.contact-list--page li{ display:flex; flex-direction:column; gap:.15rem; font-size:.95rem; }
.contact-list--page strong{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:var(--c-brass); }
.map-placeholder{
  margin-top:2rem; height:220px; border-radius:var(--radius);
  background:
    linear-gradient(160deg, var(--c-ink-soft), var(--c-ink)),
    radial-gradient(circle at 30% 30%, rgba(176,141,87,.3), transparent 60%);
  background-blend-mode:overlay;
}

.form-alert{ padding:1rem 1.2rem; border-radius:var(--radius); margin-bottom:1.5rem; font-size:.9rem; }
.form-alert ul{ margin:0; padding-left:1.1rem; list-style:disc; }
.form-alert--success{ background:rgba(176,141,87,.15); border:1px solid var(--c-brass); color:var(--c-ink); }
.form-alert--error{ background:rgba(178,58,58,.08); border:1px solid rgba(178,58,58,.4); color:#7a2b2b; }

.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.form-row{ margin-bottom:1.3rem; display:flex; flex-direction:column; gap:.4rem; }
.form-row--split{ display:grid; grid-template-columns:1fr 1fr; gap:1.3rem; margin-bottom:0; }
.form-row--split > div{ display:flex; flex-direction:column; gap:.4rem; margin-bottom:1.3rem; }
.contact-form label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--c-text-muted); }
.contact-form input, .contact-form textarea{
  font-family:var(--font-body); font-size:.95rem; padding:.8rem 1rem;
  border:1px solid rgba(20,32,28,.18); border-radius:2px; background:var(--c-white); color:var(--c-text);
  transition:border-color .2s var(--ease);
}
.contact-form input:focus, .contact-form textarea:focus{ border-color:var(--c-brass); outline:none; }
.contact-form button{ border:0; cursor:pointer; }

@media (max-width:900px){
  .contact-grid{ grid-template-columns:1fr; gap:2.5rem; }
  .form-row--split{ grid-template-columns:1fr; }
}

/* ---------- Product cards (produtos individuais) ---------- */
.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.product-card{
  position:relative; background:var(--c-white); border:1px solid rgba(20,32,28,.08); border-radius:var(--radius);
  overflow:hidden; transition:transform .3s var(--ease), border-color .3s var(--ease);
}
.product-card:hover{ transform:translateY(-4px); border-color:var(--c-brass); }
.product-card__img{ aspect-ratio:1/1; background:var(--c-paper-soft); display:flex; align-items:center; justify-content:center; }
.product-card__img img{ width:100%; height:100%; object-fit:cover; }
.product-card__badge{
  position:absolute; top:.9rem; left:.9rem; z-index:2;
  background:var(--c-brass); color:var(--c-ink); font-family:var(--font-mono); font-size:.62rem;
  letter-spacing:.06em; text-transform:uppercase; padding:.3rem .7rem; border-radius:100px;
}
.product-card__body{ padding:1.4rem 1.3rem 1.6rem; }
.product-card__body h3{ font-size:1.05rem; margin-bottom:.4rem; }
.product-card__body p{ color:var(--c-text-muted); font-size:.88rem; margin:0 0 .9rem; min-height:2.4em; }
.product-card__preco{ font-family:var(--font-mono); font-size:.95rem; color:var(--c-ink); font-weight:500; }
@media (max-width:900px){ .product-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .product-grid{ grid-template-columns:1fr; } }

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed; left:1.2rem; right:1.2rem; bottom:1.2rem; z-index:300;
  max-width:640px; margin:0 auto;
  background:var(--c-ink); color:var(--c-mist);
  border-radius:8px; padding:1.2rem 1.4rem;
  display:flex; align-items:center; gap:1.2rem; flex-wrap:wrap;
  box-shadow:0 12px 30px rgba(0,0,0,.25);
}
.cookie-banner p{ margin:0; font-size:.85rem; flex:1; min-width:220px; }
.cookie-banner a{ color:var(--c-brass-light); text-decoration:underline; }
.cookie-banner .btn-primary{ padding:.6rem 1.3rem; font-size:.82rem; }