/* ================================================
   BARATÃO DOS PNEUS — Custom Styles
   ================================================ */

@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 {
  /* Trocamos o Vermelho pelo Amarelo Gold e tons de destaque */
  --red:      #F5A623;           /* Amarelo Gold Principal */
  --red-dark: #D48C12;           /* Amarelo mais escuro para hover */
  --red-glow: rgba(245, 166, 35, 0.25); /* Brilho amarelo suave */
  
  /* Mantemos as outras para contraste */
  --yellow:   #FFFFFF;           /* Podemos usar branco para contraste nos ícones */
  --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;
}

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

/* ── Noise texture overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ── 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);
}

/* ── Red accent line on header top ── */
#header::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--red-dark), var(--red), var(--yellow), 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: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.3s;
}
.logo-img:hover { filter: brightness(0) saturate(100%) invert(14%) sepia(95%) saturate(7000%) hue-rotate(355deg); }

/* ── 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%; }

/* ── CTA Button ── */
.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;
  box-shadow: 0 0 0 transparent;
}
.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: 94vh;
  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% 50%, rgba(208,2,27,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 20%, rgba(245,166,35,0.06) 0%, transparent 50%),
    linear-gradient(160deg, #0E0E0E 0%, #1A1A1A 100%);
}

/* Diagonal red stripe */
.hero-bg::after {
  content: '';
  position: absolute;
  right: -5%;
  top: 0; bottom: 0;
  width: 52%;
  background: linear-gradient(160deg, rgba(208,2,27,0.08) 0%, transparent 70%);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-tire-circle {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  width: min(44vw, 560px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid rgba(208,2,27,0.2);
  box-shadow:
    0 0 0 12px rgba(208,2,27,0.05),
    0 0 0 30px rgba(208,2,27,0.025),
    0 0 80px rgba(208,2,27,0.15);
  animation: pulse-ring 3s ease-in-out infinite;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 12px rgba(208,2,27,0.05), 0 0 0 30px rgba(208,2,27,0.025), 0 0 80px rgba(208,2,27,0.15); }
  50%       { box-shadow: 0 0 0 20px rgba(208,2,27,0.08), 0 0 0 45px rgba(208,2,27,0.04), 0 0 120px rgba(208,2,27,0.25); }
}

.hero-tire-circle img {
  width: 90%; height: 90%;
  object-fit: cover;
  border-radius: 50%;
  filter: grayscale(20%) contrast(1.1);
  animation: slow-spin 18s linear infinite;
}
@keyframes slow-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(208,2,27,0.15);
  border: 1px solid rgba(208,2,27,0.4);
  color: var(--yellow);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  margin-bottom: 1.2rem;
}

/* ── 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(208,2,27,0.4);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(208,2,27,0.1);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 52px; height: 52px;
  background: rgba(208,2,27,0.12);
  border: 1px solid rgba(208,2,27,0.25);
  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(208,2,27,0.22);
}

/* ── Stat counters ── */
.stat-card {
  text-align: center;
  padding: 1.5rem;
}
.stat-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--red);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 0.3rem;
}

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

/* ── Differentials ── */
.diff-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.3s;
}
.diff-item:hover { padding-left: 0.5rem; }
.diff-item:last-child { border-bottom: none; }

.diff-icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  background: rgba(208,2,27,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--red);
}

/* ── 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); }

/* ── Testimonials ── */
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute; top: 1rem; right: 1.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 6rem;
  line-height: 1;
  color: rgba(208,2,27,0.12);
  font-style: italic;
}

.stars { color: var(--yellow); font-size: 0.85rem; letter-spacing: 2px; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-btn {
  width: 100%;
  background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 0;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.faq-btn:hover { color: var(--red); }
.faq-btn svg {
  flex-shrink: 0;
  transition: transform 0.3s;
  color: var(--red);
}
.faq-btn.open svg { transform: rotate(45deg); }
.faq-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
}
.faq-body.open {
  max-height: 300px;
  padding-bottom: 1.2rem;
}

/* ── Form ── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-input, .form-select, .form-textarea {
  background: #1e1e1e;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(208,2,27,0.15);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23D0021B' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-select option { background: var(--card); }
.form-textarea { resize: vertical; min-height: 100px; }
::placeholder { color: #555; }

/* ── 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-logo { height: 44px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; }
.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: 38px; height: 38px;
  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 animation 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);
}

/* ── Stagger delays ── */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ── 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: 500px;
  padding: 1rem 0;
  border-top-color: var(--border);
}

/* ── Section BG variants ── */
.section-dark { background: var(--dark); }
.section-mid  { background: var(--mid); }
.section-card { background: var(--card); }

/* ── Red gradient line ── */
.red-line {
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--yellow));
  border-radius: 999px;
  display: inline-block;
}

/* ── Responsive tweaks ── */
@media (max-width: 768px) {
  .hero-tire-circle { display: none; }
  .brands-scroll { animation-duration: 12s; }
}