/* ================================================
   BARATÃO DOS PNEUS — Estilos
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,400;0,600;0,700;0,800;0,900;1,700&family=Barlow:wght@400;500;600&display=swap');

:root {
  --red:      #F5A623;
  --red-dark: #D48C12;
  --red-glow: rgba(245, 166, 35, 0.25);
  --dark:     #0E0E0E;
  --mid:      #1A1A1A;
  --card:     #222222;
  --border:   #2E2E2E;
  --text:     #E8E8E8;
  --muted:    #9A9A9A;
  --white:    #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase;
  line-height: 1.05;
}

/* ── Header ── */
#header {
  position: sticky; top: 0; z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s;
  background: rgba(14,14,14,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(14,14,14,0.98);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
#header::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--red-dark), var(--red), var(--white), var(--red), var(--red-dark));
  background-size: 200% 100%;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ── Logo ── */
.logo-img { height: 78px; width: auto; }
.hero-logo { width: min(100%, 460px); height: auto; margin-bottom: 1.8rem; }
.footer-logo { height: 70px; width: auto; opacity: 0.95; }

/* ── Nav links ── */
.nav-link {
  position: relative;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
  padding-bottom: 4px;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }

/* ── Buttons ── */
.btn-red {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--red);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  border: none; cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-red:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--red-glow);
}
.btn-red:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent;
  color: var(--red);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  border: 2px solid var(--red);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.btn-outline:hover { background: var(--red); color: #fff; transform: translateY(-2px); }

/* ── Hero ── */
#hero {
  min-height: 90vh;
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(245,166,35,0.12) 0%, transparent 60%),
    linear-gradient(160deg, #0E0E0E 0%, #1A1A1A 100%);
}

/* ── Section titles ── */
.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 0.8rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--red);
}

/* ── Service Cards ── */
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245,166,35,0.4);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,166,35,0.1);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  transition: background 0.3s;
}
.service-card:hover .service-icon { background: rgba(245,166,35,0.22); }

/* ── Divider ── */
.divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Brand logos strip ── */
.brands-strip { display: flex; gap: 2rem; align-items: center; overflow: hidden; }
.brands-scroll {
  display: flex; gap: 3rem; align-items: center;
  animation: scroll-brands 20s linear infinite;
  white-space: nowrap;
}
@keyframes scroll-brands {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.brand-item {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.5;
  transition: opacity 0.3s;
  flex-shrink: 0;
}
.brand-item:hover { opacity: 1; color: var(--white); }

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 5000;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.6); }
.whatsapp-float::before, .whatsapp-float::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: wa-pulse 2s ease-out infinite;
}
.whatsapp-float::after { animation-delay: 0.6s; }
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2); opacity: 0; }
}
.whatsapp-float svg { position: relative; z-index: 1; }

/* ── Footer ── */
footer { background: #080808; border-top: 1px solid var(--border); }
.footer-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
  display: block;
  padding: 0.2rem 0;
}
.footer-link:hover { color: var(--red); }
.social-link {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.social-link:hover { background: var(--red); border-color: var(--red); color: #fff; }

/* ── Fade-in on scroll ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ── Mobile menu ── */
#mobile-menu {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  border-top: 1px solid transparent;
}
#mobile-menu.open { max-height: 400px; padding: 1rem 0; border-top-color: var(--border); }

.section-dark { background: var(--dark); }
.section-mid  { background: var(--mid); }