@import url("https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap");

/* =========================================================
   Soares de Sousa, Lda — Sistema de Design v3
   Tipografia: Syne (títulos) + DM Sans (corpo)
   Tema: Royal Blue + Dourado. Fundo claro. Elegante.
   ========================================================= */

:root {
  --bg:        #f4f5f7;
  --bg2:       #eef0f5;
  --surface:   #ffffff;
  --surface2:  #f0f2f8;
  --surface3:  #e6eaf4;
  --border:    rgba(40,85,160,0.10);
  --border2:   rgba(40,85,160,0.22);

  --blue:      #2855a0;
  --blue-lt:   #3a6ec0;
  --blue-dk:   #1a3a7a;
  --blue-dim:  rgba(40,85,160,0.08);

  --gold:      #b8883a;
  --gold-lt:   #d4a855;
  --gold-dk:   #8a6420;
  --gold-dim:  rgba(184,136,58,0.10);

  /* Aliases para compatibilidade com páginas de produto */
  --gold-light: #d4a855;
  --gold-glow:  rgba(184,136,58,0.20);
  --blue-glow:  rgba(40,85,160,0.18);
  --accent:     #2855a0;
  --accent-dim: rgba(40,85,160,0.08);

  --text:      #111930;
  --text2:     #3a4a6a;
  --muted:     #7080a0;

  --rad:       4px;
  --rad-lg:    8px;

  --prod:      #2855a0;
  --prod-dim:  rgba(40,85,160,0.08);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(40,85,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40,85,160,0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 0;
}

/* ── Tipografia ── */
h1, h2, h3, .display {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--blue-dk);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h1  { font-size: clamp(2.8rem, 6vw, 5.2rem); }
h2  { font-size: clamp(1.9rem, 3.5vw, 3rem); margin-bottom: .9rem; }
h3  { font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: .6rem; }

em  { font-style: normal; color: var(--gold); }
p   { font-size: .97rem; color: var(--text2); }
strong { font-weight: 500; color: var(--text); }

code, .mono {
  font-family: 'DM Mono', monospace;
  font-size: .82em;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--blue);
}

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(1.2rem, 5vw, 5rem); }
.z1 { position: relative; z-index: 1; }

section { position: relative; z-index: 1; padding: 96px 0; }
section .container > .section-head { margin-bottom: 3.5rem; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .9rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--blue);
  opacity: .5;
}

.section-sub { color: var(--muted); max-width: 600px; font-size: .95rem; margin-top: .5rem; }

.divider {
  position: relative; z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2) 20%, var(--border2) 80%, transparent);
  margin: 0 clamp(1.2rem, 5vw, 5rem);
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.2rem, 5vw, 5rem);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(40,85,160,0.07);
  transition: background .3s, box-shadow .3s;
}
nav.scrolled {
  background: rgba(255,255,255,0.99);
  box-shadow: 0 2px 20px rgba(40,85,160,0.12);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--blue-dk);
  text-decoration: none;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.nav-logo-hex {
  width: 30px; height: 30px;
  background: var(--blue);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  flex-shrink: 0;
  transition: transform .3s;
}
.nav-logo:hover .nav-logo-hex { transform: rotate(30deg); }
.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex; align-items: center; gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 400;
  transition: color .2s;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  transition: width .25s ease;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--blue) !important;
  color: #ffffff !important;
  padding: 9px 22px;
  border-radius: var(--rad);
  font-weight: 500 !important;
  font-size: .85rem !important;
  transition: background .2s, transform .15s !important;
  box-shadow: 0 2px 8px rgba(40,85,160,0.25);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--blue-lt) !important; transform: translateY(-1px); }

/* ── Hambúrguer ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  z-index: 210;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blue-dk);
  border-radius: 2px;
  transition: transform .3s, opacity .3s, width .3s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-drawer {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  z-index: 190;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity .3s, transform .3s;
  pointer-events: none;
}
.nav-drawer.open {
  opacity: 1;
  transform: none;
  pointer-events: all;
}
.nav-drawer a {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text2);
  text-decoration: none;
  transition: color .2s;
}
.nav-drawer a:hover { color: var(--blue); }
.nav-drawer .nav-cta-mobile {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  background: var(--blue);
  color: #ffffff;
  padding: 14px 40px;
  border-radius: var(--rad);
  margin-top: .5rem;
}

/* ── Botões ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px;
  border-radius: var(--rad);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 400;
  letter-spacing: .01em;
  transition: transform .2s, background .2s, border-color .2s, color .2s, box-shadow .2s;
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: var(--blue);
  color: #ffffff;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(40,85,160,0.22);
}
.btn-gold:hover { background: var(--blue-lt); box-shadow: 0 4px 16px rgba(40,85,160,0.3); }
.btn-outline {
  background: transparent;
  color: var(--blue-dk);
  border: 1.5px solid var(--border2);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-dim); }

/* Botões nas páginas de produto */
.btn-primary {
  background: var(--blue);
  color: #ffffff;
  padding: 13px 28px;
  border-radius: var(--rad);
  text-decoration: none;
  font-weight: 500;
  font-size: .9rem;
  transition: background .2s, transform .2s;
  display: inline-block;
  box-shadow: 0 2px 10px rgba(40,85,160,0.22);
}
.btn-primary:hover { background: var(--blue-lt); transform: translateY(-2px); }

.btn-secondary {
  background: transparent;
  color: var(--blue-dk);
  padding: 13px 28px;
  border-radius: var(--rad);
  text-decoration: none;
  font-weight: 400;
  font-size: .9rem;
  border: 1.5px solid var(--border2);
  transition: border-color .2s, transform .2s, color .2s, background .2s;
  display: inline-block;
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-dim); transform: translateY(-2px); }

/* ── Tags ── */
.tag {
  display: inline-block;
  font-size: .7rem;
  padding: 4px 10px;
  border-radius: 3px;
  font-weight: 500;
  letter-spacing: .04em;
  line-height: 1;
}
.tag-blue   { background: rgba(40,85,160,.10); color: var(--blue); border: 1px solid rgba(40,85,160,.15); }
.tag-gold   { background: var(--gold-dim); color: var(--gold-dk); border: 1px solid rgba(184,136,58,.18); }
.tag-green  { background: rgba(40,160,100,.08); color: #1a7040; border: 1px solid rgba(40,160,100,.15); }
.tag-purple { background: rgba(120,60,180,.08); color: #5020a0; border: 1px solid rgba(120,60,180,.15); }
.tag-orange { background: rgba(180,90,30,.08); color: #904010; border: 1px solid rgba(180,90,30,.15); }

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── Footer ── */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem clamp(1.2rem, 5vw, 5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
}
.footer-left { display: flex; flex-direction: column; gap: .4rem; }
.footer-logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--blue-dk);
}
.footer-logo-text span { color: var(--gold); }
.footer-copy { font-size: .75rem; color: var(--muted); }
.footer-nav { display: flex; gap: 1.8rem; flex-wrap: wrap; }
.footer-nav a { font-size: .8rem; color: var(--muted); text-decoration: none; transition: color .2s; }
.footer-nav a:hover { color: var(--blue); }

/* ── Nav back (produto) ── */
.nav-back {
  font-size: .82rem; color: var(--muted);
  text-decoration: none;
  display: flex; align-items: center; gap: 6px;
  transition: color .2s;
}
.nav-back:hover { color: var(--blue); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-drawer { display: flex; }
  h1 { font-size: clamp(2.2rem, 10vw, 3.2rem); }
  h2 { font-size: clamp(1.7rem, 6vw, 2.2rem); }
  section { padding: 64px 0; }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-nav { justify-content: center; }
}
@media (max-width: 480px) {
  nav { height: 60px; }
  .nav-drawer { top: 60px; }
}