/* =========================================================
   OTICAS SARAH — prototipo cinematografico
   Design system: preto profundo + off-white + cinza + champagne discreto
   ========================================================= */

:root{
  --ink: #0A0A0A;
  --ink-soft: #17130f;
  --paper: #F5F3EF;
  --paper-dim: #EAE7E0;
  --grey: #8A8680;
  --grey-line: #d8d4cc;
  --gold: #C9A876;
  --gold-soft: rgba(201,168,118,0.35);

  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', 'Inter', Arial, sans-serif;

  --ease: cubic-bezier(.16,.84,.32,1);
  --dur-fast: 400ms;
  --dur-med: 650ms;
  --dur-slow: 1100ms;

  --header-h: 88px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: auto; }
html.lenis, html.lenis body{ height: auto; }
.lenis.lenis-smooth{ scroll-behavior: auto !important; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; background:none; border:none; cursor:pointer; color:inherit; }
ul{ list-style:none; margin:0; padding:0; }

.container{
  width:100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 6vw;
}

@media (max-width: 720px){
  .container{ padding: 0 24px; }
}

.eyebrow{
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  display:inline-block;
}

h1,h2,h3{
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
}

p{ margin:0; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 16px 30px;
  border: 1px solid currentColor;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn-dark{ color: var(--paper); border-color: var(--paper); }
.btn-dark:hover{ background: var(--paper); color: var(--ink); }
.btn-light{ color: var(--ink); border-color: var(--ink); }
.btn-light:hover{ background: var(--ink); color: var(--paper); }
.btn-ghost{ color: var(--ink); border-color: transparent; padding-left:0; padding-right:0; letter-spacing:0.22em; }
.btn-ghost .arrow{ transition: transform var(--dur-fast) var(--ease); }
.btn-ghost:hover .arrow{ transform: translateX(6px); }

/* ---------- placeholder tag (visible only where content is missing) ---------- */
.ph-tag{
  position:absolute;
  top:10px;
  left:10px;
  font-size:9px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  background: rgba(10,10,10,0.72);
  color: var(--gold);
  padding: 5px 9px;
  border: 1px solid var(--gold-soft);
  pointer-events:none;
  z-index: 3;
}

/* ============ HEADER ============ */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 200;
  height: var(--header-h);
  display:flex;
  align-items:center;
  color: var(--paper);
  transition: background var(--dur-med) var(--ease), color var(--dur-med) var(--ease), height var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .container{
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;
  gap: 24px;
}
.site-header.is-scrolled{
  height: 72px;
  background: rgba(245,243,239,0.92);
  color: var(--ink);
  border-bottom: 1px solid var(--grey-line);
  backdrop-filter: blur(10px);
}
.header-left{ display:flex; align-items:center; gap:28px; }
.header-right{ display:flex; align-items:center; gap:28px; justify-self:end; }
.nav-link{
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  position:relative;
}
.nav-link::after{
  content:'';
  position:absolute; left:0; right:0; bottom:-6px;
  height:1px; background: currentColor;
  transform: scaleX(0); transform-origin:right;
  transition: transform var(--dur-fast) var(--ease);
}
.nav-link:hover::after{ transform: scaleX(1); transform-origin:left; }

.menu-toggle{
  display:flex; align-items:center; gap:10px;
  font-size:12px; letter-spacing:0.18em; text-transform:uppercase;
}
.menu-toggle .bars{ display:flex; flex-direction:column; gap:4px; width:20px; }
.menu-toggle .bars span{ height:1px; background:currentColor; width:100%; transition: width var(--dur-fast) var(--ease); }
.menu-toggle:hover .bars span:nth-child(2){ width:60%; }

.logo-mark{ justify-self:center; display:flex; align-items:center; gap:10px; }
.logo-word{ font-family: var(--serif); font-size:19px; letter-spacing:0.14em; }

/* icone da logo no header -- crossfade entre versao branca (sobre o hero
   escuro) e preta (depois que a pagina rola e o header fica claro) */
.logo-icon{ position:relative; height:34px; width:26px; display:inline-block; }
.logo-icon img{
  position:absolute; top:0; left:0;
  height:100%; width:auto;
  transition: opacity var(--dur-med) var(--ease);
}
.logo-icon-dark{ opacity:0; }
.site-header.is-scrolled .logo-icon-light{ opacity:0; }
.site-header.is-scrolled .logo-icon-dark{ opacity:1; }

.header-whatsapp{ display:flex; align-items:center; }
.header-whatsapp svg{ width:18px; height:18px; }

/* ============ MOBILE MENU ============ */
.mobile-menu{
  position: fixed; inset:0; z-index: 300;
  background: var(--ink);
  color: var(--paper);
  display:flex; flex-direction:column;
  padding: 32px 24px;
  transform: translateY(-100%);
  visibility: hidden;
}
.mobile-menu.is-open{ visibility: visible; }
.mobile-menu-top{ display:flex; justify-content:space-between; align-items:center; }
.mobile-menu-close{ font-size:12px; letter-spacing:0.2em; text-transform:uppercase; }
.mobile-menu nav{ margin-top: 14vh; display:flex; flex-direction:column; gap:22px; }
.mobile-menu nav a{ font-family: var(--serif); font-size: 44px; }
.mobile-menu-foot{ margin-top:auto; display:flex; flex-direction:column; gap:6px; font-size:12px; letter-spacing:0.1em; color: var(--grey); }

/* ============ HERO CINEMATOGRAFICO ============ */
.hero-pin{
  position: relative;
  height: 100vh;
  width: 100%;
  background: var(--ink);
  overflow: hidden;
}
.hero-stage{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
}
.hero-product{
  position:relative;
  width: min(58vw, 640px);
  will-change: transform;
}
.hero-product img{ width:100%; height:auto; filter: drop-shadow(0 40px 80px rgba(0,0,0,0.55)); }

.hero-copy{
  position:absolute; inset:0;
  pointer-events:none;
  color: var(--paper);
}
.hero-copy .frame-text{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  opacity:0;
}
.hero-copy .frame-text .eyebrow{ margin-bottom: 18px; }
.hero-copy .frame-text h1,
.hero-copy .frame-text h2{
  font-size: clamp(38px, 6.4vw, 92px);
  letter-spacing: 0.01em;
}
.hero-copy .frame-text .sub{
  margin-top: 18px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--grey);
  max-width: 480px;
}
#frame-1{ opacity:1; }

.hero-scroll-cue{
  position:absolute; bottom:38px; left:0; right:0;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color: var(--paper);
  font-size: 10px; letter-spacing: 0.3em;
  opacity: 0.75;
}
.hero-scroll-cue .cue-line{ width:1px; height:34px; background: var(--gold); overflow:hidden; }
.hero-scroll-cue .cue-line span{ display:block; width:100%; height:100%; background: var(--paper); transform: translateY(-100%); animation: cue-move 1.8s ease-in-out infinite; }
@keyframes cue-move{
  0%{ transform: translateY(-100%); }
  50%{ transform: translateY(0%); }
  100%{ transform: translateY(100%); }
}

/* ============ MANIFESTO ============ */
.manifesto{
  padding: min(22vh, 220px) 0;
  background: var(--paper);
  text-align:center;
}
.manifesto .line{
  font-size: clamp(28px, 4.6vw, 56px);
  overflow:hidden;
}
.manifesto .line span{ display:inline-block; }
.manifesto .line + .line{ margin-top: 6px; }
.manifesto .sub{
  margin: 34px auto 0;
  max-width: 460px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

/* ============ DESTAQUE EDITORIAL ============ */
.editorial{
  position:relative;
  height: 100vh;
  min-height: 640px;
  overflow:hidden;
}
.editorial-media{ position:absolute; inset:0; }
.editorial-media img{ width:100%; height:100%; object-fit:cover; object-position: 50% 20%; transform: scale(1.12); }
.editorial::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(10,10,10,0.15) 0%, rgba(10,10,10,0.55) 100%);
}
.editorial-copy{
  position:relative; z-index:2;
  height:100%;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding: 0 6vw 64px;
  color: var(--paper);
}
.editorial-copy .eyebrow{ margin-bottom: 16px; }
.editorial-copy h2{ font-size: clamp(34px, 6vw, 76px); }
.editorial-copy .btn{ margin-top: 30px; }

/* ============ COLECAO ============ */
.collection{ padding: 140px 0 60px; background: var(--paper); }
.collection-head{
  display:flex; flex-wrap:wrap; justify-content:space-between; align-items:flex-end; gap:24px;
  margin-bottom: 56px;
}
.collection-head h2{ font-size: clamp(34px, 5vw, 58px); }
.collection-head .desc{ max-width: 340px; font-size: 14px; color: var(--grey); line-height:1.7; }

.filters{
  display:flex; flex-wrap:wrap; gap: 10px 28px;
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--grey-line);
}
.filter-btn{
  font-size: 11px; letter-spacing: 0.2em; text-transform:uppercase;
  color: var(--grey);
  padding-bottom: 6px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.filter-btn.is-active,
.filter-btn:hover{ color: var(--ink); border-color: var(--gold); }

/* ============ GRID DE PRODUTOS ============ */
.product-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 64px 32px;
  padding-bottom: 120px;
}
@media (max-width: 1080px){ .product-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .product-grid{ grid-template-columns: repeat(1, 1fr); gap: 56px; } }

.product-card{
  position:relative;
  cursor:pointer;
}
.product-card .frame{
  position:relative;
  overflow:hidden;
  background: var(--paper-dim);
  aspect-ratio: 4/5;
}
.product-card .frame img{
  width:100%; height:100%; object-fit:cover;
  transition: transform 900ms var(--ease);
}
.product-card:hover .frame img{ transform: scale(1.04); }

.product-card .details-cue{
  position:absolute; left:50%; bottom:22px; transform: translate(-50%,10px);
  font-size: 10px; letter-spacing: 0.2em; text-transform:uppercase;
  color: var(--paper);
  opacity:0;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  white-space:nowrap;
}
.product-card:hover .details-cue{ opacity:1; transform: translate(-50%,0); }
.product-card .frame::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(10,10,10,0) 55%, rgba(10,10,10,0.35) 100%);
  opacity:0;
  transition: opacity var(--dur-fast) var(--ease);
}
.product-card:hover .frame::before{ opacity:1; }

.product-card .info{ margin-top:18px; text-align:left; }
.product-card .brand{ font-size:10px; letter-spacing:0.22em; color: var(--gold); text-transform:uppercase; }
.product-card .name{ margin-top:6px; font-family: var(--serif); font-size:20px; }
.product-card .price{ margin-top:6px; font-size:12px; letter-spacing:0.05em; color: var(--grey); }

/* the "float" motion is applied via JS/GSAP transform (translateY + scale) */

/* ============ BRANDS ============ */
.brands{ padding: 100px 0; background: var(--paper-dim); }
.brands-head{ text-align:center; margin-bottom: 54px; }
.brands-head h2{ font-size: clamp(26px, 3.6vw, 40px); }
.brand-row{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  align-items:center;
}
@media (max-width: 900px){ .brand-row{ grid-template-columns: repeat(3, 1fr); gap: 28px 18px; } }
.brand-row img{ filter: grayscale(1) contrast(0.9) opacity(0.62); transition: filter var(--dur-fast) var(--ease); width:100%; height:auto; }
.brand-row a:hover img{ filter: grayscale(0.3) opacity(0.9); }

/* ============ LOJA ============ */
.store{ background: var(--ink); color: var(--paper); padding: 140px 0; }
.store-head{ text-align:center; margin-bottom: 70px; }
.store-head h2{ font-size: clamp(32px, 5vw, 58px); color: var(--paper); }
.store-head .sub{ margin-top:14px; font-size: 14px; color: var(--grey); letter-spacing:0.04em; }

.store-hero-img{ position:relative; overflow:hidden; margin-bottom: 32px; }
.store-hero-img img{ width:100%; height: 62vh; object-fit:cover; }

.store-duo{ display:grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 70px; }
@media (max-width:760px){ .store-duo{ grid-template-columns:1fr; } }
.store-duo .frame{ position:relative; overflow:hidden; aspect-ratio: 4/3; }
.store-duo .frame img{ width:100%; height:100%; object-fit:cover; }

.store-copy{ max-width: 560px; margin: 0 auto; text-align:center; }
.store-copy p{ font-size: 16px; line-height:1.8; color: var(--paper); }
.store-copy .btn{ margin-top: 34px; }

/* ============ CONSULTORIA ============ */
.consultoria{
  padding: 150px 0;
  background: var(--paper);
  text-align:center;
}
.consultoria h2{ font-size: clamp(30px, 5.4vw, 66px); }
.consultoria p{ max-width: 480px; margin: 26px auto 0; font-size: 15px; line-height:1.8; color: var(--grey); }
.consultoria .btn{ margin-top: 36px; }

/* ============ LOCALIZACAO ============ */
.location{ padding: 120px 0; background: var(--paper-dim); }
.location-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
@media (max-width: 860px){ .location-grid{ grid-template-columns:1fr; gap:40px; } }
.location-info h2{ font-size: clamp(28px, 4.2vw, 46px); margin-bottom: 26px; }
.location-info .row{ margin-bottom: 18px; font-size:14px; line-height:1.8; color: var(--ink); }
.location-info .row .label{ display:block; font-size:10px; letter-spacing:0.2em; color: var(--gold); text-transform:uppercase; margin-bottom:4px; }
.location-info .btn{ margin-top: 22px; }
.map-slot{
  position:relative;
  aspect-ratio: 4/3;
  border: 1px solid var(--grey-line);
  display:flex; align-items:center; justify-content:center;
  color: var(--grey);
  font-size:11px; letter-spacing:0.15em; text-transform:uppercase;
  text-align:center;
  padding: 20px;
}

/* ============ FOOTER ============ */
.site-footer{ background: var(--ink); color: var(--paper); padding: 90px 0 30px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid rgba(245,243,239,0.12); }
@media (max-width:760px){ .footer-top{ grid-template-columns:1fr; gap:40px; } }
.footer-logo img{ margin-bottom: 18px; }
.footer-logo p{ font-size:13px; color: var(--grey); line-height:1.7; max-width:280px; }
.footer-col h4{ font-size:11px; letter-spacing:0.2em; text-transform:uppercase; color: var(--gold); margin-bottom:18px; }
.footer-col li{ margin-bottom: 12px; font-size: 14px; color: var(--paper); }
.footer-col li a:hover{ color: var(--gold); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top: 26px; font-size:11px; letter-spacing:0.05em; color: var(--grey); }

/* ============ WHATSAPP FLOAT ============ */
.wa-float{
  position: fixed; right: 28px; bottom: 28px; z-index: 250;
  display:flex; align-items:center; gap:12px;
}
.wa-float .wa-tooltip{
  font-size:11px; letter-spacing:0.05em;
  background: var(--ink); color: var(--paper);
  padding: 9px 14px;
  opacity:0; transform: translateX(6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  white-space:nowrap;
}
.wa-float:hover .wa-tooltip{ opacity:1; transform: translateX(0); }
.wa-float .wa-btn{
  width:52px; height:52px; border-radius:50%;
  background: var(--ink); color: var(--paper);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transition: transform var(--dur-fast) var(--ease);
}
.wa-float .wa-btn:hover{ transform: scale(1.06); }
.wa-float svg{ width:22px; height:22px; }

/* ============ MODAL PRODUTO ============ */
.product-modal{
  position: fixed; inset:0; z-index: 400;
  display:flex; align-items:center; justify-content:center;
  padding: 5vh 5vw;
  visibility:hidden;
  opacity:0;
  transition: opacity var(--dur-med) var(--ease), visibility var(--dur-med) var(--ease);
}
.product-modal.is-open{ visibility:visible; opacity:1; }
.product-modal .modal-backdrop{
  position:absolute; inset:0; background: rgba(10,10,10,0.82);
}
.product-modal .modal-panel{
  position:relative; z-index:2;
  width:100%; max-width: 980px; max-height: 90vh; overflow:auto;
  background: var(--paper);
  display:grid; grid-template-columns: 1fr 1fr;
  transform: translateY(24px);
  transition: transform var(--dur-med) var(--ease);
}
.product-modal.is-open .modal-panel{ transform: translateY(0); }
@media (max-width: 780px){ .product-modal .modal-panel{ grid-template-columns:1fr; } }

.modal-media{ position:relative; background: var(--paper-dim); }
.modal-media img{ width:100%; height:100%; object-fit:cover; }
.modal-close{
  position:absolute; top:18px; right:18px; z-index:3;
  width:36px; height:36px; border:1px solid var(--grey-line);
  display:flex; align-items:center; justify-content:center;
  background: var(--paper);
  font-size:14px;
}
.modal-info{ padding: 48px 44px; }
.modal-info .brand{ font-size:11px; letter-spacing:0.2em; color: var(--gold); text-transform:uppercase; }
.modal-info h3{ font-size: 34px; margin-top:10px; }
.modal-info .price{ margin-top:10px; font-size:15px; color: var(--grey); }
.modal-specs{ margin-top: 26px; border-top: 1px solid var(--grey-line); }
.modal-specs .spec-row{ display:flex; justify-content:space-between; padding: 12px 0; border-bottom: 1px solid var(--grey-line); font-size:13px; }
.modal-specs .spec-row span:first-child{ color: var(--grey); letter-spacing:0.05em; }
.modal-desc{ margin-top: 22px; font-size:14px; line-height:1.8; color: var(--ink); }
.modal-actions{ margin-top: 32px; display:flex; flex-direction:column; gap:12px; }
.modal-actions .btn{ justify-content:center; }

/* ============ REVEAL UTILITIES (GSAP hooks) ============ */
.reveal{ opacity:0; transform: translateY(36px); }
.reveal-scale{ opacity:0; transform: scale(0.96); }

/* ============ PLACEHOLDER LIST SECTION ============ */
.content-needed{ background: var(--ink); color: var(--paper); padding: 100px 0; }
.content-needed h2{ font-size: clamp(26px,3.6vw,38px); color: var(--gold); margin-bottom: 10px; }
.content-needed .sub{ font-size: 13px; color: var(--grey); margin-bottom: 44px; max-width: 640px; line-height:1.7; }
.content-needed .grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 10px 40px; }
@media (max-width: 860px){ .content-needed .grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .content-needed .grid{ grid-template-columns: 1fr; } }
.content-needed li{
  font-size: 13px; padding: 10px 0; border-bottom: 1px solid rgba(245,243,239,0.12);
  display:flex; align-items:baseline; gap:10px;
}
.content-needed li::before{ content:'—'; color: var(--gold); }
.content-needed li b{ color: var(--paper); font-weight:500; }
.content-needed li .note{ color: var(--grey); font-size:12px; }