/* ===== XSE Systems — style.css ===== */

:root{
  --black: #0D0D0D;
  --white: #FFFFFF;
  --gray-dark: #1A1A1A;
  --gray-dark-2: #2B2B2B;
  --gray-light: #E5E5E5;
  --gray-light-2: #F2F2F2;
  --yellow: #FFC700;
  --yellow-dim: #C99C00;

  --font-head: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 10px;
  --container-w: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--gray-light);
  background: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position:relative;
}
/* Fundo único e ambiente para o site inteiro — fixo, não acompanha o scroll das seções */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 620px at 12% 8%, rgba(255,199,0,.10), rgba(255,199,0,0) 60%),
    radial-gradient(900px 700px at 88% 32%, rgba(255,199,0,.07), rgba(255,199,0,0) 62%),
    radial-gradient(1000px 720px at 20% 78%, rgba(255,199,0,.08), rgba(255,199,0,0) 60%),
    radial-gradient(900px 640px at 85% 96%, rgba(255,199,0,.06), rgba(255,199,0,0) 60%),
    var(--black);
  background-color: var(--black);
  animation: ambientDrift 26s ease-in-out infinite alternate;
}
@keyframes ambientDrift{
  0%   { background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%; }
  100% { background-position: 2% 3%, -2% -2%, 3% -2%, -3% 2%; }
}
body > *{ position:relative; z-index:1; }
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; }

.container{
  width:100%;
  max-width: var(--container-w);
  margin:0 auto;
  padding: 0 24px;
}

h1,h2,h3{
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--white);
}
h1{ font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3{ font-size: 1.15rem; margin-bottom:8px; }
p{ margin:0 0 12px; }

.eyebrow{
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 600;
  color: var(--yellow);
  margin-bottom: 10px;
}
.eyebrow-dark{ color: var(--yellow-dim); }

.section-intro{
  max-width: 640px;
  color: var(--gray-light);
  font-size: 1.02rem;
}

/* Buttons */
.btn{
  display:inline-block;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: .95rem;
  font-family: var(--font-head);
  border: 1.5px solid transparent;
  background: none;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  cursor:pointer;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--yellow); color: var(--black); }
.btn-primary:hover{ background: #ffd230; }
.btn-outline{ border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-outline:hover{ border-color: var(--yellow); color: var(--yellow); }
.btn-sm{ padding: 9px 18px; font-size: .85rem; }
.btn-block{ width:100%; text-align:center; border:none; }

/* ===== Header ===== */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: rgba(13,13,13,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.logo{ display:flex; align-items:center; gap:12px; }
/* Logo + slogan pré-renderizados em uma única imagem (assets/img/logo-tagline.png)
   — evita depender de font-weight/line-height do texto ao vivo, que renderizava
   grande/espaçado demais em alguns navegadores reais. Ver CLAUDE.md (build6). */
.logo-lockup{ height:54px; width:auto; display:block; }
.logo-mark{
  font-family: var(--font-head); font-weight:700; font-size:1.25rem;
  color: var(--yellow); letter-spacing:.02em;
}
.logo-sub{ font-size:.65rem; letter-spacing:.18em; color: var(--gray-light); }

.main-nav{ display:flex; gap: 32px; }
.main-nav a{
  color: var(--gray-light);
  font-size:.92rem;
  font-weight:500;
  position:relative;
}
.main-nav a:hover{ color: var(--yellow); }

.header-actions{ display:flex; align-items:center; gap:12px; }
.header-portal{ white-space:nowrap; }

.nav-toggle{
  display:none;
  flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{ display:block; width:100%; height:2px; background: var(--white); }

/* ===== Seletor de idioma (bandeiras PT / EN / ES) =====
   Uma única instância no header-inner, logo antes do .header-actions —
   ocupa o lugar onde ficava o antigo botão "Falar com um especialista",
   à esquerda do botão "Portal do Cliente".
   Fica sempre visível (desktop e mobile) — no breakpoint ≤1080px o .main-nav
   vira um menu absoluto (some do fluxo) e o .header-actions some junto com
   o botão Portal do Cliente, então o que resta no header-inner é logo /
   lang-switch / nav-toggle, os 3 itens do layout mobile. Propositalmente só
   existe UM conjunto de botões no DOM — evita duplicidade caso algum cache
   antigo do CSS seja servido junto com um HTML novo. */
.lang-switch{
  display:flex; flex-direction:column; align-items:center; gap:4px;
  margin-right:16px;
}
.lang-switch-label{
  font-family: var(--font-head);
  font-size:.62rem;
  font-weight:600;
  letter-spacing:.09em;
  text-transform:uppercase;
  line-height:1;
  color: var(--gray-light);
}
.lang-switch-flags{ display:flex; align-items:center; gap:6px; }
.lang-btn{
  display:flex; align-items:center; justify-content:center;
  width:26px; height:18px;
  padding:0;
  background:none;
  border:1.5px solid rgba(255,255,255,.25);
  border-radius:4px;
  overflow:hidden;
  cursor:pointer;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.lang-btn img{ display:block; width:100%; height:100%; object-fit:cover; }
.lang-btn:hover{ border-color: var(--yellow); transform: translateY(-1px); }
.lang-btn.is-active{ border-color: var(--yellow); box-shadow: 0 0 0 2px rgba(255,199,0,.3); }

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height: 92vh;
  display:flex; align-items:center;
  color: var(--white);
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9) brightness(0.55);
}
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(13,13,13,.96) 0%, rgba(13,13,13,.78) 42%, rgba(13,13,13,.35) 100%);
}
.hero .container{ max-width:100%; margin:0; padding-left: max(24px, calc((100vw - 1180px) / 2 + 24px)); padding-right:24px; }
.hero-content{ position:relative; z-index:2; padding-top: 72px; max-width: 1050px; }
.hero-content h1{ color: var(--white); }
.hero-subtitle{ font-size:1.1rem; color: var(--gray-light); max-width: 560px; }
.hero-actions{ display:flex; gap:16px; margin-top: 28px; flex-wrap:wrap; }

/* Mesma linha de conexão animada usada entre as seções, agora também na
   transição do banner (hero) para a primeira seção — costura o início do
   site ao restante do fundo único */
.hero::after{
  content:"";
  position:absolute;
  bottom:0; left:50%;
  width:0; height:1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(255,199,0,.45), transparent);
  transition: width 1.1s cubic-bezier(.16,.84,.44,1) .15s;
  z-index:3;
  pointer-events:none;
}
.reveal-enabled .hero.in-view::after{ width: 55%; }

/* ===== Sections =====
   Fundo é único (ver body::before) — as seções ficam transparentes para que
   o gradiente ambiente do body apareça de forma contínua por trás de todo o
   site, sem "caixas" de cor distintas entre uma seção e outra. */
.section{
  padding: 90px 0;
  background: transparent;
  position:relative;
  overflow:hidden;
}
.section::before{
  content:"";
  position:absolute;
  top:-18%;
  width:640px; height:460px;
  background: radial-gradient(closest-side, rgba(255,199,0,.06), rgba(255,199,0,0) 70%);
  pointer-events:none;
  z-index:0;
}
.section:nth-of-type(odd)::before{ left:-8%; }
.section:nth-of-type(even)::before{ right:-8%; }
.section > .container{ position:relative; z-index:1; }
.section-alt{ background: transparent; }
.section-dark{
  background: transparent;
  padding: 90px 0;
}
.text-light{ color: var(--white); }

/* Linha de conexão animada entre seções — reforça a leitura de um fundo
   único, "costurando" visualmente a transição de uma seção para a próxima */
.section::after{
  content:"";
  position:absolute;
  bottom:0; left:50%;
  width:0; height:1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(255,199,0,.45), transparent);
  transition: width 1.1s cubic-bezier(.16,.84,.44,1) .15s;
  z-index:1;
  pointer-events:none;
}
.reveal-enabled .section.in-view::after{ width: 55%; }

/* Transições animadas ao rolar a página — cada elemento do conteúdo entra
   em sequência (stagger), com leve profundidade (blur + escala) */
.reveal-enabled .section .container > *{
  opacity:0;
  transform: translateY(26px) scale(.985);
  filter: blur(4px);
  transition: opacity .75s cubic-bezier(.16,.84,.44,1), transform .75s cubic-bezier(.16,.84,.44,1), filter .75s ease;
  will-change: opacity, transform, filter;
}
.reveal-enabled .section.in-view .container > *{
  opacity:1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}
.reveal-enabled .section .container > *:nth-child(1){ transition-delay: .02s; }
.reveal-enabled .section .container > *:nth-child(2){ transition-delay: .13s; }
.reveal-enabled .section .container > *:nth-child(3){ transition-delay: .24s; }
.reveal-enabled .section .container > *:nth-child(4){ transition-delay: .35s; }
.reveal-enabled .section .container > *:nth-child(5){ transition-delay: .46s; }
.reveal-enabled .section .container > *:nth-child(6){ transition-delay: .57s; }
.reveal-enabled .section .container > *:nth-child(n+7){ transition-delay: .65s; }

.section-cta-block{
  background: radial-gradient(ellipse 900px 400px at 50% 0%, rgba(255,199,0,.08), rgba(255,199,0,0) 70%);
  color: var(--white);
  text-align:center;
}
.section-cta-block h2{ color: var(--white); }
.section-cta-block .section-intro{ margin:0 auto 28px; color: var(--gray-light); }

/* Serviços — tópicos */
.services-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 8px 0 36px;
  text-align:left;
}
.service-card{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.service-card h3{ color: var(--white); font-size:1.05rem; }
.check-list.check-list-light li{ color: var(--gray-light); }

/* Card grid */
.card-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 40px;
}
.card{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover{ border-color: var(--yellow); transform: translateY(-3px); }
.card-icon{
  width:44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  border-radius:8px;
  background: rgba(255,199,0,.08);
  color: var(--yellow);
  margin-bottom: 16px;
}
.card-icon svg{ width:22px; height:22px; }
.card p{ color: var(--gray-light); font-size:.94rem; }
.card-link{ font-weight:600; font-size:.88rem; color: var(--yellow); }
.card-link:hover{ color: var(--yellow-dim); }

/* Cards com print/mockup do produto */
.card-featured{ overflow:hidden; }
.card-thumb{
  margin: -26px -22px 16px;
  height: 150px;
  overflow:hidden;
  background:#0D0D0D;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card-thumb img{ width:100%; height:100%; object-fit:cover; object-position: top; display:block; }
.badge-ai-mini{
  display:inline-block;
  font-size:.62rem;
  font-weight:700;
  letter-spacing:.05em;
  color:#0D0D0D;
  background: var(--yellow);
  padding:2px 7px;
  border-radius:999px;
  vertical-align: middle;
  margin-left:6px;
  font-family: var(--font-head);
}
.badge-beta{
  display:inline-block;
  font-size:.62rem;
  font-weight:700;
  letter-spacing:.05em;
  color: var(--yellow);
  background: transparent;
  border: 1px solid var(--yellow);
  padding:1px 7px;
  border-radius:999px;
  vertical-align: middle;
  margin-left:6px;
  font-family: var(--font-head);
}

/* Visuais de detalhe com imagem (mockup) em vez de diagrama SVG */
.detail-visual-img{ background:none; padding:0; }
.detail-visual-img img{
  width:100%;
  display:block;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,.55);
}

/* Produtos — variante escura com luz e sombra */
#produtos.section-dark{
  position: relative;
  overflow: hidden;
}
#produtos.section-dark::before{
  content:"";
  position:absolute;
  top:-12%;
  left:50%;
  transform: translateX(-50%);
  width: 920px;
  height: 700px;
  background: radial-gradient(closest-side, rgba(255,199,0,.16) 0%, rgba(255,199,0,0) 70%);
  pointer-events:none;
  z-index:0;
}
#produtos.section-dark .container{ position:relative; z-index:1; }
#produtos.section-dark h2{ color: var(--white); }
#produtos.section-dark .section-intro{ color: var(--gray-light); }

#produtos.section-dark .card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0) 40%), var(--gray-dark);
  border: 1px solid rgba(255,199,0,.22);
  box-shadow: 0 24px 48px -22px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.04);
}
#produtos.section-dark .card:hover{
  border-color: rgba(255,199,0,.55);
  box-shadow: 0 28px 56px -20px rgba(0,0,0,.75), 0 0 30px rgba(255,199,0,.16);
}
#produtos.section-dark .card h3{ color: var(--white); }
#produtos.section-dark .card p{ color: var(--gray-light); }
#produtos.section-dark .card-icon{
  background: rgba(255,199,0,.08);
  color: var(--yellow);
}
#produtos.section-dark .card-link{ color: var(--yellow); }
#produtos.section-dark .card-link:hover{ color: #ffd230; }

/* Link inline em texto corrido */
.text-link{
  font-weight:600;
  text-decoration: underline;
  text-decoration-color: var(--yellow-dim);
  text-underline-offset: 2px;
}
.text-link:hover{ color: var(--yellow-dim); }

/* Detail sections */
.detail-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items:center;
  margin-top: 20px;
}
.detail-grid-reverse .detail-visual{ order:1; }
.detail-grid-reverse .detail-text{ order:2; }
.check-list li{
  position:relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--gray-light);
}
.check-list li::before{
  content:"";
  position:absolute; left:0; top:8px;
  width:12px; height:12px;
  border-radius:3px;
  background: var(--yellow);
}
.detail-note{ font-size:.9rem; color: var(--gray-light); font-style:italic; }
.detail-visual{
  background: var(--gray-dark);
  border-radius: var(--radius);
  padding: 30px;
}
.flow-diagram{ width:100%; height:auto; }

.badge-row{ display:flex; flex-wrap:wrap; gap:12px; margin-top:24px; }
.badge{
  border:1.5px solid rgba(255,255,255,.2);
  border-radius: 6px;
  padding: 9px 18px;
  font-family: var(--font-head);
  font-weight:600;
  font-size:.88rem;
  letter-spacing:.03em;
  color: var(--gray-light);
}

/* Diferenciais */
.diff-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 30px;
  margin-top: 40px;
}
.diff-item{ border-top: 2px solid var(--yellow); padding-top: 16px; }
.diff-mark{
  display:block; font-family: var(--font-head); color: var(--yellow);
  font-size:1.4rem; font-weight:700; margin-bottom:8px;
}
.diff-item p{ color: var(--gray-light); margin:0; }

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 36px;
}
.contact-list li{
  display:flex; gap:14px; align-items:flex-start;
  margin-bottom: 18px;
  color: var(--gray-light);
}
.contact-list svg{ width:20px; height:20px; flex-shrink:0; color: var(--yellow-dim); margin-top:2px; }
.contact-list a:hover{ color: var(--yellow-dim); }
.map-embed{ border-radius: var(--radius); overflow:hidden; border:1px solid rgba(255,255,255,.12); margin-top: 20px; }
.map-embed iframe{ width:100%; height:260px; border:0; }
.map-placeholder{
  height:260px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px;
  background: rgba(255,255,255,.04);
  padding: 24px;
  text-align:center;
}
.map-placeholder svg{ width:32px; height:32px; color: var(--yellow); }
.map-placeholder p{ margin:0; font-weight:600; color: var(--white); }

.contact-form{
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 30px;
}
.form-row{ margin-bottom: 16px; }
.form-row label{ display:block; font-size:.85rem; font-weight:600; margin-bottom:6px; color: var(--white); }
.form-row input, .form-row select, .form-row textarea{
  width:100%;
  padding: 11px 13px;
  border-radius:6px;
  border: 1px solid rgba(255,255,255,.15);
  background: #101012;
  color: var(--gray-light);
  font-family: var(--font-body);
  font-size:.95rem;
}
.form-row input::placeholder, .form-row textarea::placeholder{ color: rgba(255,255,255,.35); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:none; border-color: var(--yellow);
}
.form-msg{ margin: 14px 0 0; font-size:.9rem; min-height: 1.3em; }
.form-msg-success{ color:#7fd894; }
.form-msg-error{ color:#ff8a80; }

/* Footer */
.site-footer{ background: var(--black); color: var(--gray-light); padding-top: 50px; }
.footer-inner{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand{ display:flex; flex-direction:column; align-items:flex-start; gap:18px; }
.footer-brand-logo{ display:flex; align-items:center; gap:12px; }
.footer-social{ display:flex; gap:10px; }
.footer-social-link{
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:50%;
  border: 1px solid rgba(255,255,255,.15);
  color: var(--gray-light);
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .15s ease;
}
.footer-social-link svg{ width:18px; height:18px; }
.footer-social-link:hover{
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(255,199,0,.08);
  transform: translateY(-2px);
}
.footer-nav{ display:flex; flex-direction:column; gap:10px; }
.footer-nav a:hover{ color: var(--yellow); }
.footer-contact{ display:flex; flex-direction:column; gap:10px; font-size:.9rem; }
.footer-contact a:hover{ color: var(--yellow); }
.footer-bottom{ padding: 18px 24px; font-size:.8rem; color: rgba(255,255,255,.45); }
.footer-bottom a{ color: rgba(255,255,255,.65); text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom a:hover{ color: var(--yellow); }

/* WhatsApp float */
.whatsapp-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width:56px; height:56px; border-radius:50%;
  background: var(--black); color: var(--yellow);
  border: 2px solid var(--yellow);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 6px 18px rgba(0,0,0,.4), 0 0 20px rgba(255,199,0,.15);
  transition: transform .15s ease, box-shadow .15s ease;
}
.whatsapp-float:hover{ transform: scale(1.06); box-shadow: 0 8px 22px rgba(0,0,0,.45), 0 0 28px rgba(255,199,0,.3); }
.whatsapp-float svg{ width:28px; height:28px; }

/* Aviso de cookies */
.cookie-banner{
  position: fixed;
  left:0; right:0; bottom:0;
  z-index: 95;
  background: rgba(13,13,13,.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,199,0,.25);
  box-shadow: 0 -10px 30px rgba(0,0,0,.35);
  transform: translateY(0);
  transition: transform .35s ease;
}
.cookie-banner.is-hidden{ transform: translateY(110%); }
.cookie-banner-inner{
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 20px 24px;
  display:flex;
  align-items:center;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-banner-text{
  flex: 1 1 420px;
  margin:0;
  font-size:.88rem;
  color: var(--gray-light);
  line-height:1.55;
}
.cookie-banner-text a{ color: var(--yellow); text-decoration: underline; text-underline-offset: 2px; }
.cookie-banner-text a:hover{ color: #ffd230; }
.cookie-banner-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex-shrink:0;
}
.cookie-banner-actions .btn{ white-space:nowrap; }

/* Enquanto o aviso de cookies está visível, sobe o botão do WhatsApp para não sobrepor */
body.cookie-banner-visible .whatsapp-float{ bottom: 112px; transition: bottom .2s ease, transform .15s ease, box-shadow .15s ease; }
@media (max-width: 640px){
  body.cookie-banner-visible .whatsapp-float{ display:none; }
}

@media (max-width: 700px){
  .cookie-banner-inner{ padding: 18px 20px; }
  .cookie-banner-actions{ width:100%; }
  .cookie-banner-actions .btn{ flex:1; text-align:center; }
}

/* ===== Responsive ===== */
@media (max-width: 900px){
  .detail-grid, .detail-grid-reverse{
    grid-template-columns: 1fr;
  }
  .detail-grid-reverse .detail-visual{ order:0; }
  .detail-grid-reverse .detail-text{ order:1; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: 1fr; }
}

/* Menu do header agora tem 4 links (Institucional, Produtos, Serviços,
   Contato) + 2 botões de ação — em telas médias (tablet / notebook menor)
   esse conjunto não cabe mais numa linha só e os itens passavam a se
   sobrepor. Por isso o menu colapsa para o formato mobile (hamburger) num
   breakpoint bem mais alto (1080px) do que o usado só para ajustes de
   espaçamento do hero/seções (760px, ainda útil para telas de celular). */
@media (max-width: 1080px){
  .main-nav{
    position:absolute; top:72px; left:0; right:0;
    background: rgba(13,13,13,.98);
    flex-direction:column; gap:0;
    max-height:0; overflow:hidden;
    transition: max-height .25s ease;
  }
  .main-nav.open{ max-height: 400px; }
  .main-nav a{ padding: 16px 24px; border-top:1px solid rgba(255,255,255,.08); }
  .header-actions{ display:none; }
  .logo-lockup{ height:42px; }
  .nav-toggle{ display:flex; }
}

@media (max-width: 760px){
  .hero{ min-height: 80vh; }
  .section{ padding: 60px 0; }
}