/* =========================
   OK PHOTOS — HOME (Tiffany)
   styles.css (consolidado e leve)
   Sem mudança de layout
========================= */

:root{
  --bg:#0f1115;
  --bg2:#151a21;

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);

  --accent:#38d6c9;
  --accent-dark:#1fb6aa;

  --silver1: rgba(255,255,255,.92);
  --silver2: rgba(255,255,255,.65);
  --silver3: rgba(255,255,255,.22);

  --white: rgba(255,255,255,.92);

  --font-main: 'Inter', sans-serif;

  --container-width: 1200px;
  --header-height: 80px;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 60px rgba(0,0,0,.45);

  --transition: 0.22s ease;
}

/* Base */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
  font-size:16px;
}
body{
  font-family:var(--font-main);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;

  /* Mantém o efeito de fundo geral do site */
  background:
    radial-gradient(circle at 20% 0%, rgba(56,214,201,.10) 0%, transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(255,255,255,.06) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg2) 0%, var(--bg) 70%, #0b0d11 100%);
  /* Evita problemas de performance em mobile removendo o fixed global */
  background-attachment: scroll;
}

img{
  max-width:100%;
  display:block;
}
a{
  text-decoration:none;
  color:inherit;
  transition:var(--transition);
}
ul{list-style:none;}
button{
  font-family:inherit;
  cursor:pointer;
  border:none;
  background:none;
}

.container{
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.text-center{text-align:center;}

/* Acessibilidade */
a:focus-visible,
button:focus-visible{
  outline: 2px solid rgba(56,214,201,.65);
  outline-offset: 3px;
  border-radius: 999px;
}
@media (prefers-reduced-motion: reduce){
  *{
    scroll-behavior:auto !important;
    transition:none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Botões */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 14px 30px;
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.01em;
  border-radius: 999px;
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    border-color .18s ease,
    background .18s ease,
    color .18s ease;
}
.btn-primary{
  background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,255,255,.62));
  color: rgba(10,10,12,.95);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 14px 36px rgba(0,0,0,.28);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(0,0,0,.34);
}
.btn-secondary{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(56,214,201,.32);
  color: var(--white);
}
.btn-secondary:hover{
  transform: translateY(-2px);
  border-color: rgba(56,214,201,.60);
  box-shadow: 0 18px 44px rgba(0,0,0,.28);
}

/* Header */
#main-header{
  position: fixed;
  top:0;
  left:0;
  width:100%;
  height: var(--header-height);
  z-index:1000;
  transition:
    height .22s ease,
    background .22s ease,
    border-color .22s ease;
  /* melhora contraste em cima das imagens/fundo */
  background: transparent;
}
#main-header.scrolled{
  height: 70px;
  background: rgba(15,17,21,.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--silver3);
}

.header-content{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
}

.logo{
  display:flex;
  align-items:center;
  gap: 14px;
}
.logo img{
  height: 42px;
  width: auto;
  display:block;
}
.logo-text{
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
}
.accent-text{
  color: var(--accent);
  font-weight: 500;
}

.nav-list{
  display:flex;
  gap: 34px;
  align-items:center;
}
.nav-list a{
  font-size: .92rem;
  color: var(--muted);
  font-weight: 600;
}
.nav-list a:hover{ color: var(--text); }

.nav-list .btn-nav{
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
}
.nav-list .btn-nav:hover{
  border-color: rgba(56,214,201,.55);
  color: var(--text);
}

/* Mobile button */
#mobile-btn{
  display:none;
  padding: 10px;
  z-index:1001;
}
.hamburger{
  display:block;
  width: 24px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: var(--transition);
}
.hamburger::before,
.hamburger::after{
  content:"";
  position:absolute;
  left:0;
  width:24px;
  height:2px;
  background: var(--text);
  transition: var(--transition);
}
.hamburger::before{ top:-8px; }
.hamburger::after{ top: 8px; }

#mobile-btn.active .hamburger{ background: transparent; }
#mobile-btn.active .hamburger::before{
  transform: rotate(45deg);
  top:0;
}
#mobile-btn.active .hamburger::after{
  transform: rotate(-45deg);
  top:0;
}

/* Seções padrão */
section{
  padding: 96px 0;
}

/* Hero */
.hero-section{
  min-height: 100vh;
  padding-top: var(--header-height);
  display: flex;
  align-items: center;

  position: relative;
  overflow: hidden;

  background-image:
    linear-gradient(180deg, rgba(15,17,21,.72), rgba(15,17,21,.88)),
    url("img/-IMG_3531.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* fixed só aqui para manter o efeito principal e não em todo body */
  background-attachment: fixed;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 64px;
  align-items:center;
}

.microcopy{
  color: rgba(56,214,201,.92);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 18px;
  font-weight: 700;
}
h1{
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.subheadline{
  font-size: 1.08rem;
  color: var(--muted);
  margin-bottom: 34px;
  max-width: 56ch;
}
.cta-group{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-group.center{ justify-content:center; }

/* Manifesto */
.manifesto-section{
  text-align:center;
}
.manifesto-text{
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
}
.manifesto-text .highlight{
  color: var(--muted);
  display:block;
  margin-top: 10px;
}

/* Sobre */
.sobre-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items:center;
}
.sobre-img{
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
}
.sobre-img img{
  width:100%;
  height: 520px;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(100%);
  transition: filter .25s ease;
}
.sobre-img img:hover{ filter: grayscale(0%); }

.sobre-content h3{
  font-size: 2rem;
  margin-bottom: 14px;
  letter-spacing:-.02em;
}
.sobre-content p{
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 1.06rem;
}

.link-arrow{
  color: rgba(56,214,201,.92);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.arrow{ transition: transform .2s ease; }
.link-arrow:hover .arrow{ transform: translateX(6px); }

/* História expandida */
.historia-expandida{
  max-width: 520px;
  margin-top: 24px;
  display: none; /* JS alterna para block */
  animation: fadeHistoria .4s ease;
}
.historia-expandida p{
  color: #ffffff;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 14px;
}
@keyframes fadeHistoria{
  from{
    opacity: 0;
    transform: translateY(8px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

/* Portfólio HOME */
.section-header{
  margin-bottom: 46px;
  max-width: 760px;
}
.section-header h2{
  font-size: 2.4rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-header p{
  color: var(--muted);
}

/* Home sem filtros */
#portfolio .filters{
  display: none !important;
}

.portfolio-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 280px;
  gap: 16px;
}

.p-item{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  cursor: pointer;
  padding:0;
  transition:
    transform .2s ease,
    border-color .2s ease,
    opacity .2s ease;
}
.p-item:hover{
  transform: translateY(-2px);
  border-color: rgba(56,214,201,.28);
}
.p-item img{
  width:100%;
  height:100%;
  object-fit: cover;
  transition: transform .6s ease, filter .25s ease;
}
.p-item:hover img{ transform: scale(1.05); }

.p-item.is-hidden{ display:none; }

.overlay{
  position:absolute;
  inset:0;
  background: rgba(15,17,21,.42);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transition: var(--transition);
}
.p-item:hover .overlay{ opacity:1; }
.overlay span{
  color: var(--white);
  border: 1px solid rgba(255,255,255,.28);
  padding: 10px 16px;
  border-radius: 999px;
  text-transform: uppercase;
  font-size: .78rem;
  letter-spacing: .14em;
  background: rgba(0,0,0,.18);
}

/* Portfólio HOME em grid quadrado + PB hover cor */
#portfolio .portfolio-grid{
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
}
#portfolio .p-item{
  grid-column: auto !important;
  grid-row: auto !important;
}
#portfolio .p-item img{ filter: grayscale(100%); }
#portfolio .p-item:hover img{
  filter: grayscale(0%);
  transform: scale(1.02);
}

/* Experiência */
.steps-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.step-card{
  background: rgba(255,255,255,.03);
  padding: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.12);
  transition: var(--transition);
}
.step-card:hover{
  border-color: rgba(56,214,201,.40);
  transform: translateY(-3px);
}
.step-num{
  display:block;
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(56,214,201,.92);
  opacity: .22;
  margin-bottom: 6px;
}
.step-card h3{
  margin-bottom: 8px;
  font-size: 1.15rem;
  letter-spacing:-.01em;
}
.step-card p{
  color: var(--muted);
  font-size: .95rem;
}

/* Depoimentos */
.testimonials-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.testimonial-card{
  border-left: 2px solid rgba(56,214,201,.62);
  padding-left: 18px;
}
.quote{
  font-size: 1.05rem;
  font-style: italic;
  color: var(--silver1);
  margin-bottom: 14px;
}
.testimonial-card cite{
  display:block;
  color: var(--muted);
  font-size: .86rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-style: normal;
}

/* CTA Final */
.cta-final-section{
  padding: 120px 0;
  background: rgba(255,255,255,.02);
}
.cta-final-section h2{
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

/* Footer */
.main-footer{
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  text-align:center;
  color: var(--muted);
  font-size: .86rem;
}
.footer-logo{
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing:.12em;
}

/* Lightbox */
.lightbox{
  position: fixed;
  inset:0;
  background: rgba(15,17,21,.92);
  z-index: 2000;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition: opacity .22s ease;
  padding: 24px;
}
.lightbox.active{
  opacity:1;
  pointer-events:all;
}
.lightbox-content img{
  max-height: 86vh;
  max-width: 92vw;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.lightbox-close{
  position:absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: var(--white);
  font-size: 26px;
  transition: var(--transition);
}
.lightbox-close:hover{
  border-color: rgba(56,214,201,.55);
  color: rgba(56,214,201,.92);
}

/* Animações */
.fade-up{
  opacity:0;
  transform: translateY(26px);
  transition: opacity .7s ease-out, transform .7s ease-out;
}
.fade-in{
  opacity:0;
  transition: opacity .9s ease-out;
}
.visible{
  opacity:1;
  transform: translateY(0);
}

/* Fundos por seção HOME */
.hero-section,
.manifesto-section,
.sobre-section{
  background-image:
    linear-gradient(180deg, rgba(15,17,21,.72), rgba(15,17,21,.88)),
    url("img/-IMG_3531.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.portfolio-section{
  background-image: none !important;
  background-color: var(--bg);
}

.experiencia-section,
.depoimentos-section{
  background-image:
    linear-gradient(180deg, rgba(15,17,21,.75), rgba(15,17,21,.9)),
    url("img/-IMG_3531.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-color: transparent;
}

/* =========================
   PORTFOLIO PAGE (nova grade)
========================= */

.portfolio-page-hero{
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 24px;
}
.portfolio-anchors{
  margin-top: 18px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.anchor-chip{
  display:inline-flex;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  font-weight:600;
}
.anchor-chip:hover{
  border-color: rgba(56,214,201,.55);
}

.portfolio-accordion{
  padding: 30px 0 120px;
}

/* =========================================================================
   CORREÇÃO FINAL: Grid de capas
   Trava a largura máxima para combinar com as fotos da página inicial
   e centraliza as 3 capas na tela.
========================================================================= */
.portfolio-covers-grid{
  display: grid;
  /* Cria 3 colunas, mas cada uma terá no máximo 300px (tamanho semelhante à Home) */
  grid-template-columns: repeat(3, minmax(250px, 300px)); 
  justify-content: center; /* Centraliza tudo no meio da tela para ficar elegante */
  gap: 28px; 
  align-items: start; 
}

/* Card do tema */
.psec{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.02);
  display: flex;
  flex-direction: column;
}

/* Capa quadrada, PB -> cor */
.psec-cover{
  width: 100%;
  aspect-ratio: 1 / 1; 
  display: flex;
  position: relative;
  background-size: cover;
  background-position: center;
  border: 0;
  filter: grayscale(100%);
  transition:
    filter .25s ease,
    transform .18s ease,
    box-shadow .18s ease,
    border-color .18s ease;
}
.psec-cover:hover{
  filter: grayscale(0%);
}

@supports not (aspect-ratio: 1 / 1){
  .psec-cover{
    height: 300px;
  }
}

.psec-overlay{
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(15,17,21,.15), rgba(15,17,21,.85));
}
.psec-content{
  position:absolute;
  inset:0;
  padding: 24px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap: 8px;
}

.psec-content h3{
  font-size: 1.4rem;
  letter-spacing:-.02em;
  color: var(--accent);
  text-shadow: 0 4px 18px rgba(0,0,0,.55);
}
.psec-content p{
  color: var(--muted);
  font-size: .92rem;
  max-width: 70ch;
}

.psec-cta{
  width: fit-content;
  display:inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,255,255,.65));
  color: rgba(10,10,12,.95);
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 14px 36px rgba(0,0,0,.35);
  font-weight: 700;
  letter-spacing: .02em;
  font-size: .78rem;
}
.psec-cta:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(0,0,0,.45);
}

.psec-panel{
  overflow:hidden;
  max-height: 0px;
  transition: max-height .45s ease;
  border-top: 1px solid rgba(255,255,255,.10);
}
.psec-inner{
  padding: 20px;
}
.psec-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 240px;
  gap: 14px;
}
.psec-grid .p-item{
  grid-column: span 4;
}

.psec-empty .psec-cover{
  background: linear-gradient(135deg, #1b1f27, #0f1115);
  cursor:not-allowed;
}

/* =========================
   Responsivo
========================= */

@media (max-width: 1024px){
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual img{ height: 440px; }
  .sobre-grid{
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .sobre-img img{ height: 420px; }

  #portfolio .portfolio-grid{
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
  }

  .psec-grid .p-item{ grid-column: span 6; }

  /* Mudar para 2 colunas nos tablets */
  .portfolio-covers-grid{
    grid-template-columns: repeat(2, minmax(250px, 300px));
  }
}

@media (max-width: 968px){
  #mobile-btn{ display:block; }

  #main-nav{
    position: fixed;
    top: 0;
    right: -100%;
    width: min(360px, 78%);
    height: 100vh;
    background: rgba(15,17,21,.92);
    backdrop-filter: blur(12px);
    padding: 96px 26px;
    transition: right .22s ease;
    border-left: 1px solid rgba(255,255,255,.12);
    box-shadow: -18px 0 50px rgba(0,0,0,.35);
  }
  #main-nav.active{ right: 0; }

  .nav-list{
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .nav-list a{ font-size: 1.05rem; }
}

@media (max-width: 680px){
  #portfolio .portfolio-grid{
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 210px;
  }

  .psec-grid .p-item{ grid-column: span 12; }

  /* Mudar para 1 coluna no celular */
  .portfolio-covers-grid{
    grid-template-columns: minmax(250px, 320px);
  }
}

@media (max-width: 420px){
  #portfolio .portfolio-grid{
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }
}

@media (max-width: 480px){
  .cta-group{
    flex-direction: column;
    width: 100%;
  }
  .btn{ width: 100%; }
}

@media (max-width: 768px){
  .hero-section,
  .manifesto-section,
  .sobre-section{
    background-position: 70% center !important;
    background-attachment: scroll;
  }
}