/* ============================================================
   LONDON MEDIA — Landing page B2B
   Sistema de tokens: ver comentário de cada grupo abaixo.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Archivo:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* Cor — paleta nomeada */
  --ink-graphite:#14161a;   /* fundo primário */
  --ink-deep:#1b1d22;       /* texto sobre superfícies claras / painéis alternados */
  --paper-mist:#ece9e3;     /* superfície clara / texto sobre fundo escuro */
  --brass:#c8a25c;          /* acento primário — muito controlado: CTA, wayfinding, uma linha no hero */
  --brass-strong:#e0bd7c;   /* brass em hover / estados ativos */
  --signal-red:#7c1f2a;     /* vermelho britânico escuro — uso funcional apenas (indicador, ponto final) */
  --slate:#8b8f97;          /* texto secundário / legendas */
  --line:#2a2d34;           /* divisores sobre fundo escuro */
  --line-soft:rgba(236,233,227,.12);

  /* Tipografia */
  --font-display:'Instrument Serif', 'Georgia', serif;
  --font-body:'Archivo', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', 'SFMono-Regular', monospace;

  /* Escala fluida */
  --step--1: clamp(.8rem, .77rem + .15vw, .875rem);
  --step-0:  clamp(1rem, .96rem + .2vw, 1.125rem);
  --step-1:  clamp(1.25rem, 1.16rem + .45vw, 1.5rem);
  --step-2:  clamp(1.6rem, 1.42rem + .9vw, 2.1rem);
  --step-3:  clamp(2.1rem, 1.75rem + 1.75vw, 3.2rem);
  --step-4:  clamp(2.6rem, 2rem + 3vw, 4.6rem);
  --step-5:  clamp(3.2rem, 2.3rem + 4.5vw, 6.2rem);

  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;

  --ease: cubic-bezier(.16,.8,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
body{
  margin:0;
  background:var(--ink-graphite);
  color:var(--paper-mist);
  font-family:var(--font-body);
  font-size:var(--step-0);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}

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

.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}

/* ---------- Tipografia utilitária ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:var(--step--1);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--paper-mist);
  opacity:.8;
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:'';
  width:1.6em;height:1px;
  background:var(--brass);
  display:inline-block;
}
h1,h2,h3{font-weight:600;letter-spacing:-.01em}
.display{font-family:var(--font-display);font-weight:400;letter-spacing:0}
.display em{font-style:italic;color:var(--paper-mist)}
h2.section-title{font-size:var(--step-3);line-height:1.05}
p.lede{font-size:var(--step-1);color:var(--paper-mist);opacity:.86;max-width:44ch}
.muted{color:var(--slate)}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.95rem 1.6rem;
  font-family:var(--font-mono);
  font-size:var(--step--1);
  letter-spacing:.06em;
  text-transform:uppercase;
  border-radius:var(--radius);
  transition:transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brass);
  color:var(--ink-graphite);
  border:1px solid var(--brass);
  font-weight:500;
}
.btn-primary:hover{background:var(--brass-strong);border-color:var(--brass-strong);transform:translateY(-2px)}
.btn-ghost{
  background:transparent;
  color:var(--paper-mist);
  border:1px solid var(--line-soft);
}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:1rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(to bottom, rgba(20,22,26,.92), rgba(20,22,26,0));
  backdrop-filter:blur(2px);
}
.site-header.is-scrolled{background:rgba(20,22,26,.92);border-bottom:1px solid var(--line-soft)}
.brand{
  font-family:var(--font-mono);
  font-size:var(--step--1);
  letter-spacing:.12em;
  display:flex;align-items:center;gap:.5rem;
}
.brand .dot{width:6px;height:6px;border-radius:50%;background:var(--signal-red)}
.header-right{display:flex;align-items:center;gap:clamp(1.5rem,3vw,3rem)}
.site-nav{
  display:none;
  align-items:center;
  gap:clamp(1.1rem,2vw,2rem);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--slate);
  white-space:nowrap;
}
.site-nav a{transition:color .25s var(--ease)}
.site-nav a:hover{color:var(--brass)}
@media(min-width:900px){.site-nav{display:flex}}
.header-cta{padding:.75rem 1.1rem}
@media (min-width:520px){.header-cta{padding:.95rem 1.6rem}}

/* ---------- Masthead editorial (assinatura visual) ---------- */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

.hero-masthead{
  position:absolute;top:0;left:0;right:0;
  display:flex;justify-content:space-between;align-items:center;
  padding:5.5rem var(--gutter) 0;
  font-family:var(--font-mono);
  font-size:var(--step--1);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--paper-mist);
  opacity:.62;
  z-index:2;
}
.hero-masthead .ref{color:var(--brass);opacity:1}

/* crop-marks discretas nos dois cantos opostos — referência a marcas de corte editoriais, não a viewfinder de câmera */
.crop-marks{position:absolute;inset:clamp(1rem,3vw,2.5rem);pointer-events:none;z-index:2}
.crop-marks span{position:absolute;width:13px;height:13px;border:1px solid var(--brass);opacity:.4}
.crop-marks .tl{top:0;left:0;border-right:0;border-bottom:0}
.crop-marks .br{bottom:0;right:0;border-left:0;border-top:0}

/* grade editorial — colunas finas ao fundo do hero */
.hero-media .grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg, rgba(236,233,227,.05) 1px, transparent 1px);
  background-size:calc(100% / 6) 100%;
  opacity:.7;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;
  padding-top:5rem;
}
.hero-media{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(200,162,92,.16), transparent 55%),
    linear-gradient(180deg, #0f1114 0%, #1a1d23 45%, #14161a 100%);
}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(100deg, transparent 0 2px, rgba(255,255,255,.02) 2px 3px);
  mix-blend-mode:overlay;
}
.hero-photo-wrap{
  position:absolute;inset:-5%;overflow:hidden;
  animation:kenburns 26s ease-in-out infinite alternate;
}
@keyframes kenburns{from{transform:scale(1) translate(0,0)}to{transform:scale(1.06) translate(-1%,-.5%)}}
.hero-photo{
  width:100%;height:100%;
  object-fit:cover;
  /* object-position individual definido inline no HTML por foto */
  filter:saturate(.82) contrast(1.07) brightness(.95);
}
/* Overlay grafite/preto — mantém contraste para o texto sobre qualquer foto real */
.hero-tone{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(120deg, rgba(200,162,92,.06), transparent 40%),
    linear-gradient(0deg, rgba(15,17,20,.35) 0%, rgba(15,17,20,.2) 45%, rgba(15,17,20,.32) 100%);
}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg, rgba(15,17,20,.25) 0%, rgba(15,17,20,.62) 65%, var(--ink-graphite) 100%)}

.hero-content{position:relative;z-index:3;padding:8rem var(--gutter) 3.5rem}
.hero-content .eyebrow{margin-bottom:1.25rem}
.hero-title{
  font-family:var(--font-body);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:-.01em;
  font-size:var(--step-5);
  line-height:.98;
  max-width:20ch;
  margin-bottom:1.5rem;
}
.hero-title .stop{color:var(--signal-red)}
.hero-wordmark{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:.9rem;
  margin-bottom:2rem;
}
.hero-wordmark .brandname{
  font-family:var(--font-mono);font-size:var(--step--1);letter-spacing:.16em;text-transform:uppercase;color:var(--brass);
}
.hero-wordmark .tagline{
  font-family:var(--font-display);font-style:italic;font-size:var(--step-1);color:var(--paper-mist);opacity:.85;
}
.hero-sub{margin-bottom:2.25rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem}
.hero-meta{
  margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:2rem;
  font-family:var(--font-mono);font-size:var(--step--1);color:var(--slate);
}
/* Hero mais compacto no mobile — CTA precisa aparecer o quanto antes na rolagem.
   O tamanho do título e a identidade visual não mudam, só o respiro entre blocos. */
@media (max-width:640px){
  .hero-content{padding-top:5.5rem;padding-bottom:2rem}
  .hero-content .eyebrow{margin-bottom:.75rem}
  .hero-title{margin-bottom:.85rem}
  .hero-wordmark{margin-bottom:1rem;gap:.5rem}
  .hero-wordmark .tagline{font-size:.95rem}
  .hero-sub{margin-bottom:1.5rem;font-size:1rem}
  .hero-meta{margin-top:1.5rem;padding-top:1rem;gap:1rem 1.5rem}
}

/* ---------- Seções genéricas ---------- */
section{position:relative}
.section-pad{padding:clamp(4rem,9vw,7.5rem) 0}
.section-head{margin-bottom:clamp(2.5rem,5vw,4rem);display:flex;flex-direction:column;gap:1rem}
.section-head .eyebrow{margin-bottom:.25rem}
/* ---------- Marcas / clientes ---------- */
.logos-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:2.5rem 0}
.logos-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.75rem}
.logos-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2.5rem 2rem;
  align-items:center;
}
@media(min-width:900px){
  .logos-strip{grid-template-columns:repeat(4,1fr);gap:clamp(2rem,4vw,3.5rem)}
}
.logo-item{
  display:flex;align-items:center;justify-content:center;
}
.logo-item img{
  display:block;width:auto;height:auto;object-fit:contain;
}

/* ---------- Grid de soluções ---------- */
.solutions-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:700px){.solutions-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1080px){.solutions-grid{grid-template-columns:repeat(4,1fr)}}
.solution-card{
  background:var(--ink-graphite);
  padding:2.25rem 1.75rem;
  display:flex;flex-direction:column;gap:1rem;
  transition:background .3s var(--ease);
}
.solution-card:hover{background:#191b20}
.solution-card .idx{font-family:var(--font-mono);font-size:.75rem;color:var(--brass)}
.solution-card h3{font-family:var(--font-display);font-size:var(--step-2);font-weight:400}
.solution-card p{color:var(--slate);font-size:var(--step--1)}

/* ---------- Painel claro (Plano Mensal / Eventos alternam) ---------- */
.panel{
  background:var(--paper-mist);
  color:var(--ink-deep);
}
.panel .eyebrow{color:var(--ink-deep);opacity:.65}
.panel .muted{color:#5c5f66}
.panel .line{border-color:rgba(27,29,34,.12)}

.content-narrow{max-width:640px}

.included-list{display:flex;flex-direction:column;gap:0}
.included-list li{
  display:flex;gap:1rem;align-items:flex-start;
  padding:1.1rem 0;border-top:1px solid var(--line-soft);
  font-size:var(--step-0);
}
.included-list li:last-child{border-bottom:1px solid var(--line-soft)}
.included-list .mark{font-family:var(--font-mono);color:var(--brass);font-size:.8rem;margin-top:.2rem}

.note-box{
  margin-top:1.75rem;padding:1.1rem 1.25rem;
  border-left:2px solid var(--brass);
  background:rgba(200,162,92,.06);
  font-size:var(--step--1);color:var(--slate);
}
.panel .note-box{background:rgba(154,122,61,.07);color:#5c5f66}

/* ---------- Bastidores — galeria editorial (não é grade de portfólio) ---------- */
.backstage-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  grid-auto-rows:140px;
  gap:.6rem;
}
@media(min-width:640px){
  .backstage-grid{grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:1rem}
}
@media(min-width:1080px){
  .backstage-grid{grid-auto-rows:200px}
}
.backstage-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line-soft);
  background:linear-gradient(160deg,#22252c,#14161a);
  transition:transform .5s var(--ease);
}
.backstage-item img{
  position:absolute;inset:0;z-index:0;width:100%;height:100%;
  object-fit:cover;
  /* object-position individual definido inline no HTML por foto */
  filter:saturate(.82) contrast(1.07) brightness(.95);
  transition:transform .5s var(--ease);
}
/* Overlay grafite/preto — mesmo tratamento do hero, garante legibilidade do código e consistência entre fotos */
.backstage-item::after{
  content:'';position:absolute;inset:0;pointer-events:none;z-index:1;
  background:linear-gradient(0deg, rgba(15,17,20,.55) 0%, rgba(15,17,20,0) 45%);
}
.backstage-item:hover img{transform:scale(1.03)}
.backstage-item .code{
  position:absolute;left:.7rem;bottom:.6rem;z-index:2;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.08em;
  color:var(--paper-mist);opacity:.85;
}
.backstage-item.wide{grid-column:span 2}
.backstage-item.tall{grid-row:span 2}

/* ---------- Diferenciais ---------- */
.diff-grid{display:grid;gap:2.5rem}
@media(min-width:760px){.diff-grid{grid-template-columns:repeat(3,1fr)}}
.diff-item{border-top:1px solid var(--line);padding-top:1.5rem}
.diff-item h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-1);margin-bottom:.6rem}
.diff-item p{color:var(--slate);font-size:var(--step--1)}

/* ---------- Processo (sequência real → numeração é legítima) ---------- */
.process-list{border-top:1px solid var(--line)}
.process-item{
  display:grid;grid-template-columns:auto 1fr;gap:1.25rem 1.75rem;
  padding:2rem 0;border-bottom:1px solid var(--line);
  align-items:baseline;
}
@media(min-width:760px){.process-item{grid-template-columns:120px 1fr}}
.process-item .num{font-family:var(--font-mono);color:var(--brass);font-size:var(--step-1)}
.process-item h3{font-family:var(--font-display);font-weight:400;font-size:var(--step-2);margin-bottom:.5rem}
.process-item p{color:var(--slate);max-width:52ch}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:1.5rem 0;text-align:left;
  font-family:var(--font-display);font-size:var(--step-1);font-weight:400;
}
.faq-q .plus{font-family:var(--font-mono);color:var(--brass);transition:transform .3s var(--ease);flex:0 0 auto}
.faq-item[data-open="true"] .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding-bottom:1.5rem;color:var(--slate);max-width:60ch}

/* ---------- Formulário ---------- */
.form-section{background:var(--ink-deep)}
.lead-form{display:grid;gap:1.25rem}
.form-row{display:grid;gap:1.25rem}
@media(min-width:640px){.form-row.cols-2{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:.5rem}
.field label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.field label .optional{opacity:.65;font-weight:400}
.field input,.field select,.field textarea{
  background:transparent;
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:.85rem 1rem;
  color:var(--paper-mist);
  font-family:var(--font-body);
  font-size:var(--step-0);
  transition:border-color .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--slate) 50%),linear-gradient(135deg,var(--slate) 50%,transparent 50%);background-position:calc(100% - 20px) center, calc(100% - 15px) center;background-size:5px 5px;background-repeat:no-repeat}
.field textarea{resize:vertical;min-height:110px}
.form-legal{font-size:.75rem;color:var(--slate)}
.form-group-title{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass);margin:2rem 0 1rem;padding-top:1.5rem;border-top:1px solid var(--line-soft)}
.form-group-title:first-child{margin-top:0;padding-top:0;border-top:0}
.form-submit-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-top:.5rem}
.form-status{font-family:var(--font-mono);font-size:.8rem;color:var(--brass);min-height:1.2em}

/* ---------- CTA final ---------- */
.final-cta{
  text-align:center;
  padding:clamp(4rem,10vw,8rem) 0;
  position:relative;
}
.final-cta h2{max-width:20ch;margin-inline:auto;margin-bottom:1.75rem}
.final-cta .ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:3rem 0 2rem}
.footer-grid{display:grid;gap:2.5rem}
@media(min-width:760px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer-brand .brand{margin-bottom:1rem}
.footer-brand p{color:var(--slate);font-size:var(--step--1);max-width:36ch}
.footer-col h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-bottom:1rem}
.footer-col a,.footer-col p{display:block;font-size:var(--step--1);color:var(--paper-mist);opacity:.85;margin-bottom:.6rem}
.footer-bottom{
  margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  font-family:var(--font-mono);font-size:.7rem;color:var(--slate);letter-spacing:.04em;
}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;right:1.25rem;bottom:1.25rem;z-index:80;
  display:flex;align-items:center;gap:.6rem;
  background:var(--brass);color:var(--ink-graphite);
  padding:.85rem 1.1rem;border-radius:999px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform .3s var(--ease);
}
.wa-float:hover{transform:translateY(-3px)}
.wa-float .ping{width:6px;height:6px;border-radius:50%;background:var(--signal-red);animation:pulse 1.8s ease-in-out infinite;flex:0 0 auto}

/* ---------- Barra fixa mobile — CTA + WhatsApp sempre acessíveis ---------- */
.mobile-cta-bar{display:none}
@media (max-width:899px){
  .wa-float{display:none}
  .mobile-cta-bar{
    display:flex;gap:.6rem;
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    padding:.6rem .75rem calc(.6rem + env(safe-area-inset-bottom,0px));
    background:rgba(20,22,26,.94);
    backdrop-filter:blur(6px);
    border-top:1px solid var(--line-soft);
  }
  .mobile-cta-bar .btn-primary{flex:1;padding-block:.85rem}
  .mobile-cta-bar .mobile-wa-btn{
    flex:0 0 auto;width:48px;
    display:flex;align-items:center;justify-content:center;
    border:1px solid var(--line-soft);border-radius:var(--radius);
    color:var(--paper-mist);
  }
  body{padding-bottom:72px}
}

/* ---------- Reveal on scroll ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1;transform:none}
}