/* ============================================================
   GeraisVidros — styles.css
   Paleta inspirada em vidro: azul profundo, teal, prata/cinza.
   Mobile-first · CSS custom properties · glassmorphism pontual
   ============================================================ */

:root {
  /* Cores */
  --navy: #0a2540;
  --navy-deep: #061a30;
  --teal: #00c2c7;
  --teal-dark: #019aa0;
  --accent: #ff7a18;          /* CTA forte */
  --accent-dark: #e8650a;
  --wa: #25d366;
  --wa-dark: #1da851;

  --ink: #0f2235;
  --body: #45586b;
  --muted: #6b7e92;
  --line: #e4ebf1;
  --bg: #ffffff;
  --bg-soft: #f4f8fb;
  --bg-glass: rgba(255, 255, 255, 0.6);

  /* Tipografia */
  --font-head: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Forma */
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(10, 37, 64, .06);
  --shadow: 0 12px 36px rgba(10, 37, 64, .10);
  --shadow-lg: 0 24px 60px rgba(10, 37, 64, .16);

  --container: 1180px;
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

h1, h2, h3 { font-family: var(--font-head); color: var(--ink); line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 13px 24px; border-radius: var(--radius-pill);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap; line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; box-shadow: 0 8px 22px rgba(255,122,24,.32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255,122,24,.42); }
.btn-whatsapp { background: var(--wa); color: #fff; box-shadow: 0 8px 22px rgba(37,211,102,.30); }
.btn-whatsapp:hover { background: var(--wa-dark); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37,211,102,.42); }
.btn-lg { padding: 17px 34px; font-size: 1.08rem; }
.btn-block { width: 100%; }
.icon-wa { flex: none; }

/* ---------- Eyebrow / cabeçalhos de seção ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .08em; color: var(--teal-dark);
  background: rgba(0,194,199,.10); padding: 7px 14px; border-radius: var(--radius-pill);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 680px; margin: 0 auto clamp(40px, 6vw, 64px); text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); margin: 16px 0 14px; }
.section-lead { color: var(--muted); font-size: 1.08rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid rgba(255,255,255,.4);
}
.nav-wrap { display: flex; align-items: center; gap: 24px; width: 100%; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; color: #fff; letter-spacing: -.02em; transition: color .35s ease; }
.logo-mark { color: var(--teal); display: inline-flex; }
.logo-text strong { color: var(--teal); }
.site-header.scrolled .logo { color: var(--ink); }
.site-header.scrolled .logo-text strong { color: var(--teal-dark); }

.main-nav { display: flex; gap: 6px; margin-left: auto; }
.main-nav a {
  font-family: var(--font-head); font-weight: 500; font-size: .98rem;
  color: rgba(255,255,255,.92); padding: 9px 14px; border-radius: var(--radius-pill);
  transition: background .2s ease, color .2s ease; position: relative;
}
.main-nav a:hover { background: rgba(255,255,255,.14); }
.site-header.scrolled .main-nav a { color: var(--body); }
.site-header.scrolled .main-nav a:hover { background: rgba(10,37,64,.06); color: var(--ink); }

.nav-cta { padding: 11px 20px; font-size: .92rem; }
.main-nav + .nav-cta { margin-left: 0; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle span { width: 26px; height: 2.5px; background: #fff; border-radius: 2px; transition: .3s; }
.site-header.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: var(--header-h); overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(6,26,48,.92) 0%, rgba(10,37,64,.78) 45%, rgba(1,154,160,.45) 100%),
    url("https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1600&q=70") center/cover no-repeat;
  transform: scale(1.05);
}
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 20%, rgba(0,194,199,.22), transparent 55%); }
.hero-inner { position: relative; z-index: 2; }
.hero-content { max-width: 720px; color: #fff; }
.hero .eyebrow { background: rgba(255,255,255,.12); color: #bdeef0; }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 6vw, 4rem); font-weight: 800; margin: 20px 0 18px; }
.hero h1 .hl { background: linear-gradient(120deg, var(--teal), #7ef0f3); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgba(255,255,255,.88); max-width: 600px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 26px; }
.trust-line { display: inline-flex; align-items: center; gap: 9px; font-size: .96rem; color: rgba(255,255,255,.85); }
.trust-line svg { color: var(--teal); flex: none; }

/* ============================================================
   CARDS / GLASS
   ============================================================ */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ---------- Serviços ---------- */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.service-card { position: relative; padding: 28px 26px; overflow: hidden; }
/* Barra de destaque no topo que cresce no hover */
.service-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 22px 48px rgba(0,194,199,.22), 0 8px 20px rgba(10,37,64,.10);
  border-color: var(--teal);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  color: var(--teal-dark); background: linear-gradient(135deg, rgba(0,194,199,.16), rgba(10,37,64,.06));
  margin-bottom: 16px;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background .35s ease, color .35s ease, box-shadow .35s ease;
}
/* Ícone "acende" e levanta no hover */
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff; transform: translateY(-3px) scale(1.08) rotate(-3deg);
  box-shadow: 0 10px 22px rgba(0,194,199,.40);
}
.service-card h3 { font-size: 1.18rem; margin-bottom: 8px; transition: color .3s ease; }
.service-card:hover h3 { color: var(--teal-dark); }
.service-card p { color: var(--muted); font-size: .98rem; }
.service-cta { background: linear-gradient(135deg, var(--navy), var(--navy-deep)); border: none; }
.service-cta h3, .service-cta p { color: #fff; }
.service-cta p { color: rgba(255,255,255,.78); }
.service-cta .service-icon { background: rgba(255,255,255,.12); color: var(--teal); }
.service-cta:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.service-cta:hover h3 { color: #fff; }
.service-cta:hover .service-icon { background: var(--teal); color: #fff; }

/* ---------- Benefícios (cards) ---------- */
.benefits-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.benefit {
  position: relative; text-align: center; padding: 30px 22px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
/* Brilho radial que surge no hover */
.benefit::after {
  content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(0,194,199,.10), transparent 65%);
  transition: opacity .35s ease;
}
.benefit:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 44px rgba(0,194,199,.18), 0 8px 18px rgba(10,37,64,.08);
  border-color: var(--teal);
}
.benefit:hover::after { opacity: 1; }
.benefit-icon {
  width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 16px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  box-shadow: 0 10px 24px rgba(0,194,199,.32);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease;
}
.benefit:hover .benefit-icon { transform: translateY(-3px) scale(1.08) rotate(-3deg); box-shadow: 0 14px 30px rgba(0,194,199,.45); }
.benefit h3 { position: relative; font-size: 1.15rem; margin-bottom: 8px; transition: color .3s ease; }
.benefit:hover h3 { color: var(--teal-dark); }
.benefit p { position: relative; color: var(--muted); font-size: .96rem; }

/* ============================================================
   SOBRE
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 44px; align-items: center; }
.about-media { position: relative; }
.about-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/5; object-fit: cover; }
.about-badge {
  position: absolute; right: -10px; bottom: -18px; padding: 18px 22px;
  display: flex; flex-direction: column; text-align: center;
}
.about-badge strong { font-family: var(--font-head); font-size: 2rem; color: var(--teal-dark); line-height: 1; }
.about-badge span { font-size: .82rem; color: var(--body); max-width: 110px; }
.about-text h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 14px 0 16px; }
.about-text p { margin-bottom: 14px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }
.stat { text-align: center; padding: 18px 10px; background: var(--bg-soft); border-radius: var(--radius); }
.stat-num { display: block; font-family: var(--font-head); font-weight: 800; font-size: clamp(1.6rem, 4vw, 2.2rem); color: var(--navy); line-height: 1; }
.stat-label { font-size: .82rem; color: var(--muted); }

/* ============================================================
   PORTFÓLIO
   ============================================================ */
.gallery { display: grid; grid-template-columns: 1fr; gap: 20px; }
.gallery-item {
  position: relative; margin: 0; padding: 32px 24px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); text-align: center;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
/* Brilho radial que surge no hover */
.gallery-item::after {
  content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(0,194,199,.12), transparent 65%);
  transition: opacity .35s ease;
}
.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 48px rgba(0,194,199,.18), 0 8px 18px rgba(10,37,64,.08);
  border-color: var(--teal);
}
.gallery-item:hover::after { opacity: 1; }
/* Ícone do serviço */
.gallery-icon {
  position: relative; width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 20px;
  display: grid; place-items: center; color: var(--teal-dark);
  background: linear-gradient(135deg, rgba(0,194,199,.16), rgba(10,37,64,.06));
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background .35s ease, color .35s ease, box-shadow .35s ease;
}
.gallery-item:hover .gallery-icon {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark)); color: #fff;
  transform: translateY(-3px) scale(1.08) rotate(-3deg); box-shadow: 0 14px 30px rgba(0,194,199,.45);
}
/* Rótulo com o nome do serviço */
.gallery-item figcaption { position: relative; display: flex; flex-direction: column; gap: 4px; }
.gallery-tag {
  font-family: var(--font-head); font-weight: 600; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .07em; color: var(--teal-dark);
}
.gallery-name { font-family: var(--font-head); font-weight: 700; font-size: 1.08rem; color: var(--ink); transition: color .3s ease; }
.gallery-item:hover .gallery-name { color: var(--teal-dark); }

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.testi-carousel { max-width: 760px; margin: 0 auto; }
.testi-track-wrap { overflow: hidden; }
.testi-track { display: flex; transition: transform .5s cubic-bezier(.4,0,.2,1); }
.testi { flex: 0 0 100%; padding: 34px 32px; }
.testi .stars { color: #ffb400; font-size: 1.15rem; letter-spacing: 2px; margin-bottom: 14px; }
.testi p { font-size: 1.12rem; color: var(--ink); font-style: italic; margin-bottom: 22px; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.avatar { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--navy), var(--teal-dark)); }
.testi-author strong { display: block; font-family: var(--font-head); color: var(--ink); }
.testi-author small { color: var(--muted); }
.testi-controls { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 26px; }
.testi-btn { width: 46px; height: 46px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); color: var(--navy); font-size: 1.5rem; line-height: 1; display: grid; place-items: center; transition: .25s; }
.testi-btn:hover { background: var(--navy); color: #fff; transform: scale(1.06); }
.testi-dots { display: flex; gap: 9px; }
.testi-dots button { width: 9px; height: 9px; border-radius: 50%; background: var(--line); transition: .25s; }
.testi-dots button[aria-selected="true"] { background: var(--teal-dark); width: 26px; border-radius: var(--radius-pill); }

/* ============================================================
   CONTATO
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
.contact-form-wrap { padding: 30px 26px; }
.form-intro { margin-bottom: 20px; color: var(--muted); font-size: .98rem; }
.field { margin-bottom: 16px; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--bg-soft); color: var(--ink); transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input::placeholder, .field textarea::placeholder { color: #9aa9b8; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); background: #fff;
  box-shadow: 0 0 0 4px rgba(0,194,199,.14);
}
.field input.invalid, .field select.invalid, .field textarea.invalid { border-color: #e2553b; box-shadow: 0 0 0 4px rgba(226,85,59,.12); }
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-feedback { margin-top: 14px; font-size: .95rem; text-align: center; min-height: 1.2em; }
.form-feedback.ok { color: var(--wa-dark); }
.form-feedback.err { color: #d6452b; }
#submit-btn.loading { opacity: .75; pointer-events: none; }

.info-list { display: grid; gap: 18px; margin-bottom: 26px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-ic { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--teal-dark); background: rgba(0,194,199,.12); }
.info-list small { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.info-list a, .info-list span { color: var(--ink); font-weight: 500; }
.info-list a:hover { color: var(--teal-dark); }
.map-embed { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.map-embed iframe { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.72); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 36px; padding-bottom: 44px; }
.logo-light { color: #fff; font-size: 1.3rem; margin-bottom: 16px; }
.footer-brand p { font-size: .96rem; max-width: 340px; margin-bottom: 18px; }
.social { display: flex; gap: 12px; }
.social a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #fff; transition: .25s; }
.social a:hover { background: var(--teal); transform: translateY(-3px); }
.footer-col h3 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:hover { color: var(--teal); }
.footer-contact li { font-size: .95rem; line-height: 1.5; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.10); padding: 22px 0; font-size: .88rem; }
.footer-bottom p { text-align: center; }

/* ============================================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================================ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; background: var(--wa);
  box-shadow: 0 10px 28px rgba(37,211,102,.5);
  animation: wa-bounce 2.6s ease-in-out infinite;
}
.wa-float:hover { background: var(--wa-dark); }
.wa-float-pulse { position: absolute; inset: 0; border-radius: 50%; background: var(--wa); z-index: -1; animation: wa-pulse 2s ease-out infinite; }
@keyframes wa-pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.8); opacity: 0; } }
@keyframes wa-bounce { 0%,100%,40% { transform: translateY(0); } 20% { transform: translateY(-6px); } }

/* ============================================================
   ANIMAÇÕES DE SCROLL (Intersection Observer)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: none; }

/* Lazy images: leve fade ao carregar */
img.lazy { filter: blur(8px); transition: filter .5s ease; background: var(--bg-soft); }
img.lazy.loaded { filter: blur(0); }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (min-width: 600px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 40px; }
}

@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .benefits-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 0.9fr 1.1fr; gap: 60px; }
  .contact-grid { grid-template-columns: 1.1fr 0.9fr; gap: 40px; }
  /* Marca mais larga + 3 colunas de links lado a lado */
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
}

/* Mobile nav */
@media (max-width: 880px) {
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 4px; padding: 18px 22px 26px;
    background: rgba(255,255,255,.96); backdrop-filter: blur(14px);
    box-shadow: var(--shadow); margin-left: 0;
    transform: translateY(-130%); transition: transform .4s cubic-bezier(.4,0,.2,1);
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { color: var(--ink); padding: 14px 16px; border-radius: 12px; font-size: 1.05rem; }
  .main-nav a:hover { background: var(--bg-soft); }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .about-badge { right: 10px; }
  .wa-float { width: 56px; height: 56px; right: 16px; bottom: 16px; }
}

/* Acessibilidade: respeita preferência de menos movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .wa-float, .wa-float-pulse { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}