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


:root {
  --gold:    #C9A84C;
  --gold-lt: #E2C47A;
  --black:   #080808;
  --dark:    #0F0F0F;
  --dark2:   #141414;
  --dark3:   #1C1C1C;
  --off:     #F5F0E8;
  --gray:    #888;
  --white:   #FFFFFF;
  --radius:  4px;
  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--black);
  color: var(--off);
  overflow-x: hidden;
  cursor: none;
}

/* ── CUSTOM CURSOR ── */
#cursor {
  width: 10px; height: 10px;
  background: var(--gold);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, background 0.3s ease;
  transform: translate(-50%, -50%);
}
#cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(201,168,76,0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.12s ease;
}
body:has(a:hover) #cursor, body:has(button:hover) #cursor { width: 18px; height: 18px; background: var(--gold-lt); }

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9000; opacity: 0.5;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.6rem 4rem;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
nav.scrolled {
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(18px);
  padding: 1rem 4rem;
  border-bottom: 1px solid rgba(201,168,76,0.12);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.85rem; font-weight: 300; letter-spacing: 0.35em;
  color: var(--off); text-decoration: none;
  display: flex; align-items: center;
}
.nav-logo span { color: var(--gold); }
/* Quando usar imagem como logo */
.nav-logo img {
  height: 62px; width: auto;
  object-fit: contain;
  display: block;
  border-radius: 15px;
}
nav.scrolled .nav-logo img { height: 44px; transition: height var(--transition); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray); text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--off); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  border: 1px solid var(--gold); color: var(--gold);
  padding: 0.65rem 1.6rem; text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover { background: var(--gold); color: var(--black); }

/* hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 1px; background: var(--off); transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(8,8,8,0.98); flex-direction: column;
  align-items: center; justify-content: center; gap: 2.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Cormorant Garamond', serif; font-size: 2.5rem; font-weight: 300;
  letter-spacing: 0.1em; color: var(--off); text-decoration: none;
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--gold); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr; align-items: center;
  padding: 8rem 4rem 4rem;
  position: relative; overflow: hidden;
  text-align: center;
}
.hero-content { margin-bottom: 3rem; }
.hero-desc { margin: 0 auto 2.8rem; }
.hero-actions { justify-content: center; }
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 80% at 75% 50%, rgba(201,168,76,0.06) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201,168,76,0.03) 0%, transparent 60%);
}
.hero-line {
  position: absolute; top: 0; left: 50%;
  width: 1px; height: 100%; background: linear-gradient(to bottom, transparent, rgba(201,168,76,0.15), transparent);
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block;
  font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); border-left: 2px solid var(--gold);
  padding-left: 0.8rem; margin-bottom: 2rem;
  opacity: 0; transform: translateX(-20px);
  animation: fadeSlideR 0.8s ease 0.3s forwards;
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 300; line-height: 1.05; letter-spacing: -0.01em;
  margin-bottom: 1.8rem;
  opacity: 0; transform: translateY(30px);
  animation: fadeUp 0.9s ease 0.5s forwards;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-desc {
  font-size: 0.8rem; line-height: 1.9; letter-spacing: 0.04em;
  color: var(--gray); max-width: 400px; margin-bottom: 2.8rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s ease 0.7s forwards;
}
.hero-actions {
  display: flex; gap: 1.4rem; align-items: center;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s ease 0.9s forwards;
}
.btn-primary {
  font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
  background: var(--gold); color: var(--black);
  padding: 1rem 2.5rem; text-decoration: none; font-weight: 500;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-2px); }
.btn-ghost {
  font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--off); text-decoration: none;
  display: flex; align-items: center; gap: 0.7rem;
  transition: color var(--transition);
}
.btn-ghost::after { content: '→'; transition: transform var(--transition); }
.btn-ghost:hover { color: var(--gold); }
.btn-ghost:hover::after { transform: translateX(5px); }

.hero-visual {
  position: relative; z-index: 2;
  width: 100%; max-width: 860px; margin: 0 auto;
  opacity: 0; animation: fadeIn 1.2s ease 0.6s forwards;
}

/* ── HERO CARROSSEL ── */
.hc-wrap { position: relative; overflow: hidden; }

.hc-track {
  display: flex;
  transition: transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.hc-slide {
  flex: 0 0 100%; min-width: 100%;
  position: relative; overflow: hidden;
  aspect-ratio: 16/8;
}

/* FOTO — substitua src pelas suas imagens */
.hc-slide img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  filter: saturate(0.75) brightness(0.55);
  transition: transform 8s ease;
}
.hc-slide.active img { transform: scale(1.04); }

/* overlay gradiente */
.hc-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,8,8,0.85) 0%,
    rgba(8,8,8,0.2) 50%,
    transparent 100%
  );
  pointer-events: none;
}

/* texto dentro do slide */
.hc-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2.5rem 3rem;
  z-index: 2;
  transform: translateY(8px);
  opacity: 0;
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}
.hc-slide.active .hc-caption { opacity: 1; transform: translateY(0); }

.hc-caption-tag {
  font-size: 0.58rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.5rem; display: block;
}
.hc-caption-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300; line-height: 1.1; color: var(--off);
}
.hc-caption-title em { font-style: italic; color: var(--gold); }
.hc-caption-sub {
  font-size: 0.72rem; color: rgba(245,240,232,0.6);
  margin-top: 0.5rem; letter-spacing: 0.04em; line-height: 1.6;
}

/* barra de progresso + dots */
.hc-controls {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0 0;
}
.hc-progress-bar {
  flex: 1; height: 1px;
  background: rgba(201,168,76,0.15);
  position: relative; overflow: hidden; margin-right: 1.5rem;
}
.hc-progress-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width linear;
}
.hc-dots { display: flex; gap: 0.5rem; align-items: center; }
.hc-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(201,168,76,0.25);
  border: none; cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}
.hc-dot.active { background: var(--gold); transform: scale(1.4); }
.hc-arrows { display: flex; gap: 0.5rem; margin-left: 1rem; }
.hc-arrow {
  width: 38px; height: 38px;
  border: 1px solid rgba(201,168,76,0.2);
  background: transparent; cursor: pointer;
  color: var(--gray); font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.3s, color 0.3s;
}
.hc-arrow:hover { border-color: var(--gold); color: var(--gold); }

@media (max-width: 640px) {
  .hc-slide { aspect-ratio: 4/3; }
  .hc-caption { padding: 1.5rem; }
  .hc-caption-title { font-size: 1.5rem; }
}

/* ── MARQUEE ── */
.marquee-bar {
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  overflow: hidden; padding: 1rem 0;
  background: var(--dark2);
}
.marquee-track {
  display: flex; gap: 4rem;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}
.marquee-item {
  font-size: 0.6rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gray); display: flex; align-items: center; gap: 1rem; flex-shrink: 0;
}
.marquee-item::after { content: '◆'; color: var(--gold); font-size: 0.4rem; }

/* ── MODELS ── */
#models { padding: 7rem 4rem; background: var(--dark); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  font-size: 0.6rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem; display: block;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 300;
  line-height: 1.1;
}
.section-title em { font-style: italic; color: var(--gold); }

.models-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5px;
  max-width: 1200px; margin: 0 auto;
}
.model-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.04);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition);
  cursor: pointer;
}
.model-card:hover { transform: translateY(-6px); }
.model-card.featured {
  border-color: rgba(201,168,76,0.2);
}
.model-img {
  width: 100%; aspect-ratio: 3/2; object-fit: cover;
  display: block;
  filter: saturate(0.7) brightness(0.85);
  transition: filter var(--transition), transform var(--transition);
}
.model-card:hover .model-img { filter: saturate(0.9) brightness(1); transform: scale(1.04); }
.model-img-wrap { overflow: hidden; position: relative; }
.model-img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.85) 0%, transparent 50%);
}
.model-info { padding: 1.6rem 1.8rem 1.8rem; }
.model-badge {
  font-size: 0.55rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.5rem; display: block;
}
.model-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem; font-weight: 300; margin-bottom: 0.5rem;
}
.model-card.featured .model-name { font-size: 2rem; }
.model-desc { font-size: 0.72rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.2rem; }
.model-specs {
  display: flex; gap: 1.5rem; margin-bottom: 1.4rem;
}

.model-spec-val {
  font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 300; color: var(--off);
}
.model-spec-label { font-size: 0.55rem; letter-spacing: 0.15em; color: var(--gray); text-transform: uppercase; }
.model-footer { display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; }
.model-price {
  font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 300; color: var(--gold);
}
.model-cta {
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  border: none;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  transition: background var(--transition);
}
.model-cta:hover { background: var(--gold-lt); }

/* ── FEATURES ── */
#features {
  padding: 7rem 4rem;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
#features::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(201,168,76,0.1), transparent);
}
.features-layout { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; align-items: center; }
.features-visual { position: relative; }
.features-circle {
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.12);
  position: relative; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
}
.features-circle::before {
  content: ''; position: absolute; inset: 20px; border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.07);
}
.features-circle::after {
  content: ''; position: absolute; inset: 40px; border-radius: 50%;
  border: 1px dashed rgba(201,168,76,0.05);
  animation: spin 30s linear infinite;
}
.features-icon-center {
  font-size: 5rem; z-index: 2; position: relative;
  animation: float 5s ease-in-out infinite;
}
.feature-dot {
  position: absolute; width: 60px; height: 60px; border-radius: 50%;
  background: var(--dark3); border: 1px solid rgba(201,168,76,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.feature-dot:nth-child(2) { top: 5%; left: 50%; transform: translateX(-50%); }
.feature-dot:nth-child(3) { bottom: 5%; left: 50%; transform: translateX(-50%); }
.feature-dot:nth-child(4) { left: 5%; top: 50%; transform: translateY(-50%); }
.feature-dot:nth-child(5) { right: 5%; top: 50%; transform: translateY(-50%); }

.features-list { display: flex; flex-direction: column; gap: 2.5rem; }
.feature-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.feature-num {
  font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 300;
  color: rgba(201,168,76,0.25); line-height: 1; flex-shrink: 0; width: 2.5rem;
}

.feature-name {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 0.5rem; color: var(--off);
}
.feature-text { font-size: 0.75rem; color: var(--gray); line-height: 1.8; }

/* ── TESTIMONIALS CAROUSEL ── */
#testimonials { padding: 7rem 4rem; background: var(--dark2); overflow: hidden; }
.testi-carousel-wrap { max-width: 1100px; margin: 3rem auto 0; position: relative; }

/* track deslizante */
.testi-track-outer { overflow: hidden; }
.testi-track {
  display: flex;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}
.testi-card {
  background: var(--dark3); padding: 2.8rem;
  border: 1px solid rgba(255,255,255,0.04);
  position: relative;
  flex: 0 0 calc(33.333% - 1px);
  min-width: calc(33.333% - 1px);
  margin-right: 1.5px;
  box-sizing: border-box;
}
@media (max-width: 900px) {
  .testi-card { flex: 0 0 calc(50% - 1px); min-width: calc(50% - 1px); }
}
@media (max-width: 580px) {
  .testi-card { flex: 0 0 100%; min-width: 100%; margin-right: 0; }
}
.testi-card::before {
  content: '\201C';
  font-family: 'Cormorant Garamond', serif; font-size: 8rem;
  color: rgba(201,168,76,0.07); position: absolute; top: -0.5rem; left: 1.5rem;
  line-height: 1; pointer-events: none;
}
.testi-stars { color: var(--gold); font-size: 0.72rem; margin-bottom: 1.4rem; letter-spacing: 0.1em; }
.testi-text { font-size: 0.82rem; line-height: 1.9; color: #AAA; margin-bottom: 2rem; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 0.9rem; }
.testi-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #5C3D1E);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--black);
  flex-shrink: 0;
}
.testi-name { font-size: 0.74rem; font-weight: 500; letter-spacing: 0.05em; }
.testi-role { font-size: 0.6rem; color: var(--gray); margin-top: 0.2rem; }

/* Controles */
.testi-controls {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 2.5rem;
}
.testi-dots { display: flex; gap: 0.6rem; align-items: center; }
.testi-dot {
  width: 24px; height: 2px; background: rgba(201,168,76,0.2);
  cursor: pointer; transition: all 0.4s ease;
  border: none;
}
.testi-dot.active { width: 48px; background: var(--gold); }
.testi-arrows { display: flex; gap: 0.8rem; }
.testi-arrow {
  width: 46px; height: 46px;
  border: 1px solid rgba(201,168,76,0.2);
  background: transparent; cursor: pointer; color: var(--gray);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.testi-arrow:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.05); }



/* ── FOOTER ── */

footer {
  background:rgba(15, 14, 14, 0.6);
  border-top:1px solid rgba(15, 14, 14, 0.9);
  padding:36px 80px;
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:20px;
}
.footer-logo img {height: 50px; width: auto; border-radius: 10px;}
.footer-logo {
  font-family:'Barlow Condensed',sans-serif;
  font-size:1.5rem;
  font-weight:900;
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:2px;
}
.footer-logo .refri { color:var(--blue); }
.footer-logo .tronika { color:var(--gold); }

.footer-copy {
  font-size:0.83rem;
  color:var(--muted);
  text-align:center;
}
.footer-copy a { color:var(--gold); text-decoration:none; }

.footer-links { display:flex; gap:20px; }
.footer-links a {
  font-size:0.85rem;
  color:var(--muted);
  text-decoration:none;
  transition:color .2s;
}
.footer-links a:hover { color:var(--blue); }

.footer-dev {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:0.83rem;
  color:var(--muted);
}
.footer-dev-link {
  display:flex;
  align-items:center;
  text-decoration:none;
  transition:opacity .2s;
}
.footer-dev-link:hover { opacity:0.75; }
.footer-dev-logo {
  height:28px;
  width:auto;
  object-fit:contain;
}
.footer-dev-fallback {
  font-family:'Barlow Condensed',sans-serif;
  font-weight:800;
  font-size:1rem;
  color:var(--gold);
  letter-spacing:0.06em;
}

/* ── WHATSAPP FLOAT ── */

.whatsapp-float {
  position:fixed;
  bottom: 82px;
  right: 32px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: bottom 0.3s;
}
.wa-label {
  background:var(--dark-3);
  color:var(--text);
  padding:10px 16px;
  border-radius:8px;
  font-size:0.85rem;
  font-weight:600;
  white-space:nowrap;
  border:1px solid rgba(255,255,255,.1);
  opacity:0;
  transform:translateX(10px);
  transition:all .3s;
  pointer-events:none;
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}
.whatsapp-float:hover .wa-label { opacity:1; transform:translateX(0); }

.wa-btn {
  width:60px; height:60px;
  border-radius:50%;
  background:#25D366;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  box-shadow:0 4px 24px rgba(37,211,102,.45);
  animation:waPulse 2.5s ease-in-out infinite;
  transition:transform .2s;
}
.wa-btn:hover { transform:scale(1.1); animation:none; }
.wa-btn svg { width:30px; height:30px; fill:#fff; }

@keyframes waPulse {
  0%,100% { box-shadow:0 4px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  50% { box-shadow:0 4px 24px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
}


/* ── ANIMATIONS ── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideR {
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.6; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── SCROLL REVEAL ── */

.reveal {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  nav { padding: 1.4rem 2.5rem; }
  nav.scrolled { padding: 0.9rem 2.5rem; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  #hero { padding: 7rem 2.5rem 5rem; }
  .hero-badge { right: 5%; }
  .hero-stats { left: 0; bottom: -14%; }
  .hero-img-area { aspect-ratio: 16/9; }
  .models-grid { grid-template-columns: 1fr 1fr; }
  .model-card.featured .model-img { aspect-ratio: 3/2; }
  .features-layout { grid-template-columns: 1fr; gap: 4rem; }
  .features-circle { width: 300px; height: 300px; }
  .features-icon-center { font-size: 3.5rem; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  #features, #models, #testimonials, #newsletter { padding: 5rem 2.5rem; }
  footer { padding: 3rem 2.5rem 2rem; }
}

@media (max-width: 640px) {
  #hero { padding: 6rem 1.5rem 4rem; }
  .hero-stats { gap: 0; }
  .models-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; border: none; gap: 1rem; }
  .newsletter-form input { border: 1px solid rgba(201,168,76,0.3); padding: 0.9rem 1.2rem; }
  .newsletter-form button { padding: 0.9rem; }
  #features, #models, #testimonials, #newsletter { padding: 4rem 1.5rem; }
  footer { padding: 3rem 1.5rem 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
/* ── MODAL DE BIKE ── */
.bike-modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
}
.bike-modal-overlay.open { opacity: 1; pointer-events: all; }

.bike-modal {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,0.2);
  max-width: 780px; width: 100%;
  max-height: 92vh; overflow-y: auto;
  position: relative;
  transform: translateY(28px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  display: flex; flex-direction: column;
}
.bike-modal-overlay.open .bike-modal { transform: translateY(0) scale(1); }
.bike-modal::-webkit-scrollbar { width: 3px; }
.bike-modal::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.2); }

/* ── GALERIA ── */
.bike-modal-gallery { position: relative; background: var(--dark3); }

/* foto principal */
.bike-modal-main-img {
  width: 100%; aspect-ratio: 16/9;
  overflow: hidden; position: relative;
}
.bike-modal-main-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  filter: saturate(0.85) brightness(0.9);
  transition: opacity 0.35s ease, transform 0.5s ease;
}
.bike-modal-main-img img.switching { opacity: 0; transform: scale(1.03); }

/* contador */
.bike-modal-img-count {
  position: absolute; bottom: 0.8rem; right: 1rem;
  font-size: 0.58rem; letter-spacing: 0.18em;
  color: rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.5); padding: 0.25rem 0.6rem;
}

/* thumbnails */
.bike-modal-thumbs {
  display: flex; gap: 3px; padding: 3px;
  background: var(--black);
  overflow-x: auto;
}
.bike-modal-thumbs::-webkit-scrollbar { height: 3px; }
.bike-modal-thumbs::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.2); }
.bike-modal-thumb {
  flex-shrink: 0;
  width: 80px; height: 56px;
  overflow: hidden; cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.25s ease, opacity 0.25s ease;
  opacity: 0.5;
}
.bike-modal-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  filter: saturate(0.6);
  transition: filter 0.25s ease;
}
.bike-modal-thumb.active {
  border-color: var(--gold);
  opacity: 1;
}
.bike-modal-thumb.active img { filter: saturate(1); }
.bike-modal-thumb:hover { opacity: 0.85; }

/* ── BODY ── */
.bike-modal-body {
  padding: 2rem 2rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.8rem 2.5rem;
}
.bike-modal-left { display: flex; flex-direction: column; gap: 1rem; }
.bike-modal-right { display: flex; flex-direction: column; gap: 1rem; }

.bike-modal-badge {
  font-size: 0.55rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold);
}
.bike-modal-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem; font-weight: 300; line-height: 1.1;
}
.bike-modal-desc {
  font-size: 0.74rem; color: var(--gray); line-height: 1.9;
}
.bike-modal-specs-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid rgba(201,168,76,0.1);
}
.bike-modal-spec {
  padding: 0.75rem 0.9rem;
  border-right: 1px solid rgba(201,168,76,0.08);
  border-bottom: 1px solid rgba(201,168,76,0.08);
}
.bike-modal-spec:nth-child(even) { border-right: none; }
.bike-modal-spec-label {
  font-size: 0.52rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray); margin-bottom: 0.25rem;
}
.bike-modal-spec-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem; font-weight: 300; color: var(--off);
}
.bike-modal-features { display: flex; flex-direction: column; gap: 0.45rem; }
.bike-modal-feat-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.7rem; color: #AAA;
}
.bike-modal-feat-item::before {
  content: ''; width: 4px; height: 4px;
  background: var(--gold); border-radius: 50%; flex-shrink: 0;
}
/* rodapé do body — ocupa as 2 colunas */
.bike-modal-footer {
  grid-column: span 2;
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1.2rem; border-top: 1px solid rgba(201,168,76,0.1);
}
.bike-modal-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem; font-weight: 300; color: var(--gold);
}
.bike-modal-cta {
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  background: var(--gold); color: var(--black);
  padding: 0.85rem 2rem; text-decoration: none; font-weight: 500;
  transition: background var(--transition);
  border: none; cursor: pointer; font-family: 'Montserrat', sans-serif;
}
.bike-modal-cta:hover { background: var(--gold-lt); }
.bike-modal-close {
  position: absolute; top: 0.85rem; right: 0.85rem;
  width: 34px; height: 34px;
  background: rgba(8,8,8,0.75); border: 1px solid rgba(201,168,76,0.2);
  color: var(--gray); font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 10;
  transition: border-color var(--transition), color var(--transition);
}
.bike-modal-close:hover { border-color: var(--gold); color: var(--off); }

@media (max-width: 640px) {
  .bike-modal-body { grid-template-columns: 1fr; gap: 1.2rem; }
  .bike-modal-footer { grid-column: span 1; }
  .bike-modal-thumb { width: 64px; height: 46px; }
  .bike-modal-title { font-size: 1.7rem; }
  .bike-modal-body { padding: 1.5rem; }
}