:root {
  --bg:         #ffffff;
  --surface:    #f8f8f8;
  --surface2:   #f0f0f0;
  --accent:     #005EA6; /* Deep Tech blue */
  --accent-rgb: 0,94,166;
  --accent-very-light: rgba(0,94,166,0.03);
  --accent-mid: rgba(0,94,166,0.04);
  --accent-light: rgba(0,94,166,0.06);
  --accent-dim: rgba(0,94,166,0.08);
  --accent-glow: rgba(0,94,166,0.16);
  --text:       #000000;
  /* overlays and brand variants */
  --bg-overlay: rgba(255,255,255,0.85);
  --bg-overlay-scrolled: rgba(255,255,255,0.95);
  /* whatsapp brand */
  --wa-rgb: 22,122,58;
  --wa: #167A3A;
  --wa-glow: rgba(22,122,58,0.2);
  --wa-glow-strong: rgba(22,122,58,0.4);
  /* instagram gradient and shadow */
  --ig-gradient: linear-gradient(135deg,#f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  --ig-shadow: rgba(225,48,108,0.2);
  --muted:      #6B6B6B;
  --muted2:     #666666;
  --border:     rgba(0,0,0,0.08);
  --border-acc: rgba(0,94,166,0.18);
  
  --r:          10px;

  /* typography */
  --font-sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  --fs-base: 16px;
  --lh-base: 1.6;
  --h1-size: 40px;
  --h2-size: 28px;
  --h3-size: 20px;
  --small-size: 14px;
  /* additional font-size tokens */
  --fs-xs: 13px;
  --fs-sm: 14px;
  --fs-md: 16px;
  --fs-lg: 18px;
  --fs-xl: 20px;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-regular: 400;
  --fw-h1: 700;
  --fw-h2: 600;
  --fw-h3: 600;
  --ig-shadow-strong: rgba(225,48,108,0.4);
  /* panel background for mobile menus */
  --bg-panel: rgba(255,255,255,0.98);
  /* outline color for focus from accent */
  --accent-outline: rgba(0,94,166,0.18);

}
/* Design system: spacing, containers, elevation */
:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --container-sm: 720px;
  --container-md: 960px;
  --container-lg: 1120px;
  --elev-1: 0 6px 18px rgba(0,0,0,0.06);
  --elev-2: 0 12px 30px rgba(0,0,0,0.08);
}
* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  overflow-x: hidden;
}

/* grain overlay (subtle) */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 1000;
  pointer-events: none;
  background: var(--bg-panel);
  opacity: 0.02;
}

/* ── HEADER ── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 0 48px;
  height: 84px;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-overlay);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
header.scrolled { background: var(--bg-overlay-scrolled); }

/* LOGO */
.logo-wrap { display: flex; align-items: center; height: 84px; min-width: 0; }
.logo-img  {
  height: 56px;
  width: auto;
  max-width: min(220px, 28vw);
  display: block;
  object-fit: contain;
  padding: 0;
  margin: 0;
}

nav { display: flex; align-items: center; gap: 36px; }
nav a {
  font-family: var(--font-mono);
  font-size: var(--fs-xs); letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--muted2); text-decoration: none;
  transition: color .2s;
}
nav a:hover { color: var(--accent); }
nav a.is-active:not(.nav-btn) { color: var(--accent); }

/* Mobile menu toggle button */
.menu-toggle {
  display: none;
  background: transparent; border: none; color: var(--text);
  padding: 10px; margin-left: 12px; cursor: pointer;
}
.menu-toggle:focus { outline: 2px solid var(--accent); outline-offset: 3px; }

.nav-btn {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 9px 22px; border-radius: 6px;
  font-weight: var(--fw-bold) !important;
  box-shadow: 0 0 0 0 var(--accent-glow);
  transition: box-shadow .25s, opacity .2s !important;
}
.nav-btn:hover { color: #fff !important; box-shadow: 0 0 20px var(--accent-glow); opacity: .9; }

/* ── HERO ── */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 84px 48px 0;
  position: relative; overflow: hidden;
}

/* grid pattern */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--accent-very-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-very-light) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 75% 75% at 80% 50%, black 0%, transparent 70%);
}

.hero-orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.orb1 { width:560px; height:560px; background: var(--accent-glow); right:-80px; top:50%; transform:translateY(-50%); opacity:.35; }
.orb2 { width:260px; height:260px; background:var(--accent-light); left:5%; bottom:10%; }

.hero-inner { position: relative; z-index: 1; max-width: 700px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs); letter-spacing: 2px; text-transform: uppercase;
  color: var(--text); margin-bottom: 32px;
  opacity: 0; animation: fadeUp .6s .2s forwards;
}
.eyebrow::before { content:""; width:28px; height:1px; background:var(--text); display:inline-block; margin-right:8px; }


/* keep hero decorative h1 large */
.hero h1 {
  font-family: var(--font-sans);
  font-weight: var(--fw-h1);
  font-size: clamp(3.4rem, 9vw, 6.5rem);
  line-height: 0.95; letter-spacing: 0.5px;
  margin-bottom: 10px;
  opacity: 0; animation: fadeUp .6s .35s forwards;
}
.h1-tech  { color: var(--accent); display: block; }
.h1-rest  { color: var(--text);       display: block; }

.hero-slug {
  font-family: var(--font-mono);
  font-size: var(--fs-xs); letter-spacing: 3px; text-transform: uppercase;
  color: var(--muted2); margin-bottom: 36px;
  opacity: 0; animation: fadeUp .6s .45s forwards;
}

.hero-desc {
  font-size: 1rem; color: var(--muted2); line-height: var(--lh-base);
  max-width: 460px; margin-bottom: 48px;
  opacity: 0; animation: fadeUp .6s .55s forwards;
}
.hero-desc strong { color: var(--text); font-weight: 500; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: fadeUp .6s .65s forwards; }

.scroll-hint {
  position: absolute; bottom: 36px; left: 48px;
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs); letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted);
  opacity: 0; animation: fadeIn 1s 1.2s forwards;
}
.scroll-hint::before { content:""; width:1px; height:40px; background:linear-gradient(to bottom, var(--accent), transparent); }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: var(--r); font-weight: var(--fw-medium); font-size: var(--fs-md); text-decoration: none; transition: transform .2s, box-shadow .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }

.btn-wa  { background: var(--wa); color:#fff; box-shadow:0 6px 24px var(--wa-glow); }
.btn-wa:hover  { box-shadow:0 10px 36px var(--wa-glow-strong); }
.btn-ig  { background: var(--ig-gradient); color:#fff; box-shadow:0 6px 24px var(--ig-shadow); }
.btn-ig:hover  { box-shadow:0 10px 36px var(--ig-shadow-strong); }

.bi { width:18px; height:18px; fill:currentColor; flex-shrink:0; }

/* ── SEÇÃO BASE ── */
.sec { padding: 120px 48px; }
.sec-inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.sec-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-sm); letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; font-weight: 600;
}

h2 {
  font-family: var(--font-sans);
  font-size: clamp(20px, 2.6vw, var(--h2-size));
  font-weight: var(--fw-h2);
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 32px;
}

/* ── SERVIÇOS ── */
#servicos { background: var(--surface); position: relative; overflow: hidden; }
#servicos::before { content:""; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg,transparent,var(--accent),transparent); opacity:.25; }

/* Alternating section backgrounds for better hierarchy */
#diferenciais { background: var(--surface); position: relative; }
#como, #cta { background: var(--bg); }

.svc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }

.svc { background: var(--bg); padding: 40px 32px; position: relative; overflow: hidden; transition: background .25s; cursor: default; }
.svc:hover { background: var(--surface2); }
.svc::after { content:""; position:absolute; bottom:0; left:0; right:0; height:2px; background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform .35s ease; }
.svc:hover::after { transform:scaleX(1); }

.svc-n { font-family:var(--font-mono); font-size:var(--fs-xs); color:var(--muted); letter-spacing:1px; margin-bottom:22px; }
.svc-ico { font-size:1.8rem; margin-bottom:18px; display:block; }
.svc h3 { font-family: var(--font-sans); font-size: var(--h3-size); font-weight: var(--fw-h3); color: var(--text); margin-bottom:10px; }
.svc p  { font-size: 1rem; color:var(--muted2); line-height:var(--lh-base); }

/* ── COMO FUNCIONA ── */
#como { background: var(--bg); }

.steps { display: grid; grid-template-columns: repeat(4,1fr); position: relative; gap: 0; }
.steps::before { content:""; position:absolute; top:34px; left:35px; right:35px; height:1px; background:linear-gradient(90deg, var(--accent), transparent); opacity:.15; }

.step { padding: 0 28px 0 0; }
.step-circle { width:68px; height:68px; border-radius:50%; background:var(--bg); border:1px solid var(--border-acc); display:flex; align-items:center; justify-content:center; font-family:var(--font-sans); font-size:1.5rem; color:var(--accent); margin-bottom:28px; position:relative; z-index:1; transition: box-shadow .3s; }
.step:hover .step-circle { box-shadow: 0 0 24px var(--accent-glow); }
.step h3 { font-size: var(--h3-size); font-weight: var(--fw-h3); color: var(--text); margin-bottom:10px; }
.step p  { font-size: 1rem; color:var(--muted2); line-height:var(--lh-base); }

/* ── DIFERENCIAIS ── */
#diferenciais::before { content:""; position:absolute; inset:0; pointer-events:none; background:radial-gradient(ellipse 50% 80% at 100% 50%, var(--accent-mid) 0%, transparent 70%); }

.diff-wrap { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.diff-list { display:flex; flex-direction:column; }
.diff-item { display:flex; gap:20px; align-items:flex-start; padding:24px 0; border-bottom:1px solid var(--border); }
.diff-item:last-child { border:none; }
.diff-n { font-family:var(--font-mono); font-size:var(--fs-xs); color:var(--accent); padding-top:4px; flex-shrink:0; letter-spacing:1px; }
.diff-item h4 { font-size: var(--h3-size); font-weight: var(--fw-h3); color: var(--text); margin-bottom:6px; }
.diff-item p  { font-size: 1rem; color:var(--muted2); line-height:var(--lh-base); }

.diff-panel { background:var(--bg); border:1px solid var(--border); border-radius:16px; padding:48px 40px; display:flex; flex-direction:column; position:relative; overflow:hidden; }
.diff-panel::before { content:""; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg, var(--accent), transparent); }
.kpi { padding:28px 0; border-bottom:1px solid var(--border); }
.kpi:last-child { border:none; padding-bottom:0; }
.kpi-val   { font-family: var(--font-sans); font-size:2.6rem; color:var(--accent); line-height:1; margin-bottom:6px; letter-spacing:1px; font-weight:600; }
.kpi-label { font-size:var(--fs-sm); color:var(--muted2); line-height:1.5; }

/* ── CTA FINAL ── */
#cta { padding: 140px 48px; background: var(--bg); position: relative; overflow: hidden; }
#cta::before { content:""; position:absolute; inset:0; pointer-events:none; background:radial-gradient(ellipse 60% 60% at 50% 50%, var(--accent-mid) 0%, transparent 70%); }
@keyframes scan { 0% { top:0; } 100% { top:100%; } }
#cta::after { content:""; position:absolute; left:0; right:0; top:0; height:1px; background:linear-gradient(90deg,transparent,var(--accent),transparent); opacity:.12; animation:scan 7s linear infinite; }

.cta-inner { position:relative; z-index:1; max-width:1120px; margin:0 auto; }

.cta-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  width: 100%;
}

.cta-content {
  grid-area: content;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  max-width: 820px;
}
.cta-content h2 { font-size:clamp(2.8rem,6vw,4.4rem); margin-bottom:20px; }
.cta-content h2 .acc { color:var(--accent); }
.cta-content p  { font-size:1rem; color:var(--muted2); line-height:1.7; margin-bottom:42px; max-width: 520px; }

.cta-btns { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-content .cta-btns { margin-top: 18px; }

.contact-map {
  grid-area: map;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 380px;
  margin-top: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.contact-map iframe {
  width: 100%;
  height: auto;
  flex: 1;
  border: 0;
  display: block;
}

.map-open {
  display: inline-flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  border-top: 1px solid var(--border);
  background: var(--bg);
  min-height: 44px;
}

.map-open:hover { opacity: .9; }

.contact-address {
  display: none;
  margin-top: 0;
  padding: 0 10px 10px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2px;
  line-height: 1.55;
  color: var(--muted2);
}

/* contact form removed */

/* ── FOOTER ── */
footer {
  background:var(--surface);
  border-top:1px solid var(--border);
  padding:24px 36px;
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  justify-content:center;
}

footer p {
  font-family: var(--font-mono);
  font-size: var(--small-size);
  color:var(--muted);
  letter-spacing:.2px;
  margin:0;
  flex: none;
  text-align:center;
}

.footer-links { display:flex; gap:24px; flex:1 1 0; justify-content:flex-end; }
.footer-links a { font-family: var(--font-mono); font-size: var(--small-size); color:var(--muted); text-decoration:none; transition:color .2s; }
.footer-links a:hover { color:var(--accent); }

/* accessibility: keyboard focus ring */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--accent-outline);
  outline-offset: 3px;

/* =========================
   Utility classes
   ========================= */

/* Page container */
.container { width: 100%; max-width: var(--container-lg); margin: 0 auto; padding: 0 20px; }

/* Stack layout (vertical rhythm) */
.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack-sm { gap: var(--space-3); }
.stack-lg { gap: var(--space-6); }

/* Row / grid helpers */
.row { display:flex; gap:var(--space-4); flex-wrap:wrap; }
.col { flex:1 1 0; min-width: 220px; }

/* Centering helper */
.u-center { text-align: center; display:flex; align-items:center; justify-content:center; }

/* Visually hidden (accessibility) */
.visually-hidden { position:absolute !important; height:1px; width:1px; overflow:hidden; clip:rect(1px, 1px, 1px, 1px); white-space:nowrap; border:0; padding:0; margin:-1px; }

/* Card / surface */
.card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--elev-1); padding: var(--space-5); }

/* Elevation variants */
.shadow-sm { box-shadow: var(--elev-1); }
.shadow-md { box-shadow: var(--elev-2); }

/* Utility text sizes */
.text-small { font-size: var(--fs-sm); }
.text-muted { color: var(--muted2); }

/* Responsive tweaks for utilities */
@media (min-width: 960px) {
  .container { padding: 0 32px; }
  .col { min-width: 260px; }
}
}

/* default nav layout uses flex; mobile open state toggles to column */
#main-nav { display: flex; align-items: center; gap: 36px; }
#main-nav.open { display: flex; }

/* ── REVEAL ── */
.reveal { opacity:0; transform:translateY(18px); transition:opacity .65s ease, transform .65s ease; }
.reveal.on { opacity:1; transform:none; }

/* ── KEYFRAMES ── */
@keyframes fadeUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:none} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* ── RESPONSIVE ── */
@media (max-width:900px) {
  header { padding:0 20px; }
  .logo-img { height: 42px; max-width: 170px; }
  nav a:not(.nav-btn) { display:none; }
  .hero { padding:72px 14px 0; }
  .scroll-hint { display:none; }
  .sec { padding:80px 14px; }
  #cta { padding: 96px 14px 80px; }
  .cta-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "content"
      "map";
    gap: 36px;
  }
  .cta-content {
    text-align: left;
    display: block;
    height: auto;
  }
  .cta-content h2 {
    font-size: clamp(1.9rem, 8vw, 2.4rem);
    white-space: nowrap;
  }
  .cta-content h2 br { display: none; }
  .cta-content p {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 34px;
    max-width: 100%;
    text-align: left;
    text-align-last: auto;
  }
  .cta-btns { justify-content: flex-start; }
  .cta-content .cta-btns {
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
  }
  .cta-content .cta-btns .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
    overflow-wrap: anywhere;
    text-align: center;
    padding: 10px 8px;
    min-height: 40px;
    font-size: clamp(0.78rem, 2.8vw, 0.86rem);
    line-height: 1.15;
  }
  .cta-content .cta-btns .bi { width: 15px; height: 15px; }
  .contact-map {
    margin-top: 0;
    height: auto;
    min-height: 0;
  }
  .contact-map iframe { height: 220px; }
  .contact-address {
    display: block;
    margin-top: 4px;
  }
  .svc-grid { grid-template-columns:1fr; }
  .steps { grid-template-columns:1fr 1fr; gap:40px 24px; }
  .steps::before { display:none; }
  .diff-wrap { grid-template-columns:1fr; gap:40px; }
  footer { padding:16px 18px; flex-direction:column; text-align:center; }
  footer p { text-align:center; margin-bottom:8px; }
  footer .footer-links { justify-content:center; }
  .menu-toggle { display: inline-flex; }
  /* align mobile menu to the right with a compact panel */
  #main-nav.open {
    position: absolute;
    top: 84px;
    right: 16px;
    left: auto;
    width: min(360px, 90%);
    background: var(--bg-panel);
    display:flex; flex-direction:column; gap:8px;
    padding:12px 16px; border: 1px solid var(--border);
    border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    z-index: 600;
  }
  #main-nav.open a { display:block; padding:10px 6px; text-align: right; }
  /* hide primary CTA in header on mobile, but keep it available inside the opened menu */
  .nav-btn { display: none; }
  #main-nav.open .nav-btn { display: block; }
  /* hide eyebrow text on mobile to reduce clutter */
  .eyebrow { display: none; }
}
/* Ensure desktop layout wins if `.open` is present */
@media (min-width:901px) {
  .menu-toggle { display: none; }
  #main-nav {
    display: flex !important;
    position: static !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    width: auto !important;
    background: transparent !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    flex-direction: row !important;
    z-index: auto !important;
  }
  #main-nav.open a { display: inline-block !important; padding: 0 !important; text-align: left !important; }
  #main-nav.open .nav-btn { display: inline-flex !important; }
}
@media (max-width:600px) {
  .hero h1 { font-size:3.4rem; }
  .steps { grid-template-columns:1fr; }
  .hero-cta .btn, .cta-btns .btn { width:100%; justify-content:center; }
  .eyebrow::before { display: none; }
  /* bigger touch targets on small screens */
  .nav-btn, .btn { padding: 14px 18px; font-size: 1rem; }
  /* slightly larger logo and reduced header for very small screens */
  header { height: 72px; }
  .logo-wrap { height: 72px; }
  .logo-img { height: 26px; }
  .contact-map iframe { height: 180px; }
  #main-nav { display: none; }
  #main-nav.open { display: flex; }
}