/* ==========================================================
   Wallace Feitosa — Fine Art Photography
   style.css — base, tipografia, header, botões, footer
   ========================================================== */

:root{
  --paper:#FAF8F4;
  --paper-2:#F1ECE4;
  --ink:#26231F;
  --ink-soft:#4A453F;
  --ink-muted:#857D74;
  --line:#DED6CA;
  --gold:#B08D57;
  --gold-soft:#C9AC7C;
  --serif:'Cormorant Garamond', Georgia, serif;
  --sans:'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --wrap:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:400;
  line-height:1.15;
  margin:0;
  letter-spacing:.01em;
}

p{margin:0 0 20px;}

::selection{background:var(--gold);color:var(--paper);}

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

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- eyebrow ---------- */
.eyebrow{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--sans);
  font-size:11px;
  font-weight:400;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 14px;
}
.eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:var(--gold);
  flex:none;
}
.eyebrow[style*="center"]::before{display:none;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 32px;
  transition:background .45s var(--ease), padding .45s var(--ease), box-shadow .45s var(--ease);
}
.site-header .brand img{
  height:44px;
  width:auto;
  transition:filter .45s var(--ease);
}

.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  position:relative;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#FAF8F4;
  opacity:.82;
  transition:opacity .3s var(--ease), color .45s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:-7px;
  width:100%;height:1px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:right;
  transition:transform .4s var(--ease);
}
.main-nav a:hover{opacity:1;}
.main-nav a:hover::after,
.main-nav a.active::after{transform:scaleX(1);transform-origin:left;}
.main-nav a.active{opacity:1;color:var(--gold-soft);}

/* páginas com topo claro: texto escuro desde o início */
body.has-light-hero .main-nav a{color:var(--ink-soft);}
body.has-light-hero .main-nav a.active{color:var(--gold);}
body.has-light-hero .brand img{filter:none;}

/* estado após rolagem */
.site-header.scrolled{
  background:rgba(250,248,244,.94);
  backdrop-filter:blur(10px);
  padding:14px 32px;
  box-shadow:0 1px 0 var(--line);
}
.site-header.scrolled .main-nav a{color:var(--ink-soft);}
.site-header.scrolled .main-nav a.active{color:var(--gold);}
.site-header.scrolled .brand img{filter:none;}

/* menu mobile (hambúrguer) */
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  padding:0;
  border:0;
  background:none;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  height:1px;
  width:24px;
  margin:0 auto;
  background:#FAF8F4;
  transition:transform .35s var(--ease), opacity .25s var(--ease), background .45s var(--ease);
}
body.has-light-hero .menu-toggle span,
.site-header.scrolled .menu-toggle span{background:var(--ink);}
.site-header.open .menu-toggle span{background:var(--ink);}
.site-header.open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.open .menu-toggle span:nth-child(2){opacity:0;}
.site-header.open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-family:var(--sans);
  font-size:12px;
  font-weight:400;
  letter-spacing:.2em;
  text-transform:uppercase;
  cursor:pointer;
  transition:all .4s var(--ease);
}
.btn span{transition:transform .4s var(--ease);}
.btn:hover span{transform:translateX(5px);}

.btn-line{
  padding:14px 0;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.btn-line:hover{border-bottom-color:var(--gold);color:var(--gold);}

.btn-solid{
  padding:17px 38px;
  background:var(--ink);
  color:var(--paper);
  border:1px solid var(--ink);
}
.btn-solid:hover{background:transparent;color:var(--ink);}

/* ---------- reveal (animação ao rolar) ---------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- faixa de CTA ---------- */
.cta-band{
  margin-top:40px;
  padding:110px 0;
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-band .wrap{max-width:840px;text-align:center;}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:300;
  margin:0 auto 34px;
  max-width:720px;
  color:var(--ink);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:80px 0 0;
}
.footer-grid{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px 60px;
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:60px;
}
.footer-brand img{height:46px;margin-bottom:22px;filter:invert(1) brightness(2);}
.footer-brand p{
  font-size:13px;
  line-height:1.9;
  color:rgba(250,248,244,.55);
  margin:0;
}
.footer-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:11px;
  font-weight:400;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gold-soft);
  margin:0 0 20px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(250,248,244,.62);
  margin-bottom:12px;
  transition:color .3s var(--ease);
}
.footer-col a:hover{color:var(--paper);}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-top:26px;
  padding-bottom:30px;
  border-top:1px solid rgba(250,248,244,.12);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(250,248,244,.42);
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float{
  position:fixed;
  right:26px;bottom:26px;
  z-index:300;
  width:56px;height:56px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#25D366;
  box-shadow:0 6px 22px rgba(0,0,0,.22);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.whatsapp-float svg{width:29px;height:29px;fill:#fff;}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 10px 28px rgba(0,0,0,.28);}

/* ---------- responsivo ---------- */
@media (max-width:900px){
  .wrap{padding:0 22px;}
  .site-header{padding:16px 22px;}
  .site-header.scrolled{padding:12px 22px;}
  .menu-toggle{display:flex;}

  .main-nav{
    position:fixed;
    inset:0;
    flex-direction:column;
    justify-content:center;
    gap:30px;
    background:var(--paper);
    transform:translateX(100%);
    transition:transform .5s var(--ease);
    z-index:-1;
  }
  .site-header.open .main-nav{transform:translateX(0);}
  .main-nav a,
  body.has-light-hero .main-nav a,
  .site-header.scrolled .main-nav a{
    color:var(--ink);
    font-size:20px;
    letter-spacing:.16em;
    opacity:1;
  }

  .footer-grid{grid-template-columns:1fr;gap:44px;padding-bottom:44px;}
  .footer-links{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:76px 0;}
  .whatsapp-float{right:18px;bottom:18px;width:52px;height:52px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}