/* =====================================================
   ESPORTE3D — Design System
   Dark tech / neon green / mobile-first
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700;900&family=Sora:wght@300;400;500;600;700&display=swap');

/* ---- Custom Properties ---- */
:root {
  --bg:          #15171C;
  --bg2:         #1C1F27;
  --bg3:         #23262F;
  --surface:     #2A2D35;
  --border:      #3A3D45;
  --neon:        #39FF14;
  --neon-dim:    rgba(57, 255, 20, 0.12);
  --neon-glow:   rgba(57, 255, 20, 0.35);
  --neon-glow2:  rgba(57, 255, 20, 0.08);
  --orange:      #FF6B1A;
  --white:       #FFFFFF;
  --gray:        #9AA0A6;
  --gray-light:  #F4F5F7;
  --ml-yellow:   #FFBE00;
  --shopee-orange: #EE4D2D;
  --lab3d-green: #39FF14;

  --font-display: 'Orbitron', sans-serif;
  --font-body:    'Sora', sans-serif;

  --r:    10px;
  --r-sm: 6px;
  --r-lg: 16px;
  --r-xl: 24px;

  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --shadow-neon: 0 0 20px var(--neon-glow), 0 0 60px var(--neon-glow2);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.4);

  --transition: 0.25s ease;
  --header-h: 68px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
svg { display: block; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon); }

/* ---- Focus ---- */
:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; border-radius: var(--r-sm); }

/* ---- Typography ---- */
h1, h2, h3, h4 { line-height: 1.2; }
.display { font-family: var(--font-display); letter-spacing: 0.02em; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.section-title span { color: var(--neon); }
.section-sub {
  color: var(--gray);
  font-size: 1rem;
  margin-top: 0.5rem;
  max-width: 560px;
}

/* ---- Layout helpers ---- */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-header { margin-bottom: 48px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--r);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  transition: var(--transition); white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--neon); color: var(--bg);
  border-color: var(--neon);
}
.btn-primary:hover { box-shadow: var(--shadow-neon); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--white);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--neon); color: var(--neon); }
.btn-ghost {
  background: transparent; color: var(--gray);
}
.btn-ghost:hover { color: var(--neon); }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-wpp {
  background: #25D366; color: #fff; border-color: #25D366;
}
.btn-wpp:hover { background: #1ebe5b; box-shadow: 0 0 16px rgba(37,211,102,0.4); transform: translateY(-2px); }

/* ---- Badge ---- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.badge-new  { background: var(--neon); color: var(--bg); }
.badge-hot  { background: var(--orange); color: var(--white); }
.badge-soon { background: var(--surface); color: var(--gray); border: 1px solid var(--border); }

/* ========================================
   HEADER
   ======================================== */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(21, 23, 28, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#header.scrolled { border-bottom-color: var(--neon-dim); }
.header-inner {
  height: 100%; display: flex; align-items: center;
  gap: 24px; justify-content: space-between;
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 900;
  color: var(--white); letter-spacing: 0.08em; text-transform: uppercase;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--neon); display: flex; align-items: center; justify-content: center;
}
.logo-mark svg { width: 22px; height: 22px; color: var(--bg); }
.logo span { color: var(--neon); }

/* Nav */
.nav { display: none; }
@media (min-width: 1024px) {
  .nav { display: flex; align-items: center; gap: 4px; }
}
.nav a {
  padding: 8px 14px; border-radius: var(--r-sm);
  font-size: 0.88rem; font-weight: 500; color: var(--gray);
  transition: var(--transition);
}
.nav a:hover, .nav a.active { color: var(--white); background: var(--bg3); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-icon {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray); border: 1px solid var(--border);
  transition: var(--transition); flex-shrink: 0;
}
.btn-icon:hover { color: var(--neon); border-color: var(--neon); }
.btn-icon svg { width: 18px; height: 18px; }
.btn-wpp-header { display: none; }
@media (min-width: 640px) {
  .btn-wpp-header { display: inline-flex; }
}

/* Hamburger */
.hamburger {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; border: 1px solid var(--border); color: var(--gray);
  transition: var(--transition);
}
.hamburger span {
  display: block; width: 18px; height: 2px;
  background: currentColor; border-radius: 2px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1024px) { .hamburger { display: none; } }

/* Mobile nav */
.mobile-nav {
  position: fixed; top: var(--header-h); left: 0; right: 0;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  padding: 16px 20px 24px; z-index: 99;
  transform: translateY(-110%); opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}
.mobile-nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-nav a {
  display: block; padding: 12px 16px; border-radius: var(--r);
  font-size: 1rem; font-weight: 500; color: var(--gray);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--white); background: var(--bg3); }
.mobile-nav-footer { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; }

/* ========================================
   HERO
   ======================================== */
#inicio {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 72px;
  background: var(--bg);
  position: relative; overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.04;
  background-image:
    linear-gradient(var(--neon) 1px, transparent 1px),
    linear-gradient(90deg, var(--neon) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-glow {
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(57,255,20,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--neon); margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 24px; height: 2px; background: var(--neon);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900; letter-spacing: 0.02em;
  text-transform: uppercase; line-height: 1.1;
  margin-bottom: 20px;
}
.hero-title .highlight { color: var(--neon); }
.hero-sub {
  font-size: 1.05rem; color: var(--gray);
  max-width: 520px; margin-bottom: 36px; line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual {
  margin-top: 48px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
@media (min-width: 1024px) {
  #inicio { padding-top: calc(var(--header-h) + 80px); padding-bottom: 100px; }
  .hero-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .hero-visual { margin-top: 0; }
}
.hero-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--gray); position: relative; overflow: hidden;
}
.hero-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 18px, rgba(57,255,20,0.04) 18px, rgba(57,255,20,0.04) 19px
  );
}
.hero-placeholder-icon { width: 64px; height: 64px; color: var(--neon); opacity: 0.6; }
.hero-placeholder-text { font-size: 0.85rem; color: var(--gray); }

/* ---- Features strip ---- */
#features {
  background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.features-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-item { display: flex; align-items: center; gap: 14px; }
.feature-icon {
  width: 44px; height: 44px; border-radius: var(--r);
  background: var(--neon-dim); border: 1px solid var(--neon-glow);
  display: flex; align-items: center; justify-content: center;
  color: var(--neon); flex-shrink: 0;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-text strong { display: block; font-size: 0.9rem; font-weight: 600; }
.feature-text span { font-size: 0.8rem; color: var(--gray); }

/* ========================================
   CATEGORIES
   ======================================== */
#categorias { background: var(--bg); }
.categorias-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px)  { .categorias-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px)  { .categorias-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1200px) { .categorias-grid { grid-template-columns: repeat(5, 1fr); } }

.cat-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: var(--transition); cursor: pointer;
  display: flex; flex-direction: column;
}
.cat-card:hover { border-color: var(--neon); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.4), var(--shadow-neon); }
.cat-card.inactive { opacity: 0.65; }
.cat-card.inactive:hover { transform: none; border-color: var(--border); box-shadow: none; cursor: default; }

.cat-img-wrap {
  aspect-ratio: 4/3; background: var(--bg3);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.cat-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg3) 0%, var(--surface) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; position: relative; overflow: hidden;
}
.cat-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 10px, rgba(57,255,20,0.03) 10px, rgba(57,255,20,0.03) 11px
  );
}
.cat-icon-wrap {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--neon-dim); border: 1px solid var(--neon-glow);
  display: flex; align-items: center; justify-content: center;
  color: var(--neon); position: relative; z-index: 1;
}
.cat-icon-wrap svg { width: 28px; height: 28px; }

.cat-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.cat-name { font-size: 0.88rem; font-weight: 700; line-height: 1.3; }
.cat-subs { font-size: 0.75rem; color: var(--gray); line-height: 1.4; }
.cat-footer { margin-top: auto; padding-top: 10px; display: flex; align-items: center; justify-content: space-between; }
.cat-btn {
  font-size: 0.78rem; font-weight: 600; color: var(--neon);
  display: flex; align-items: center; gap: 4px; transition: var(--transition);
}
.cat-btn:hover { gap: 8px; }
.cat-btn svg { width: 14px; height: 14px; }

/* ========================================
   PRODUCTS
   ======================================== */
#produtos { background: var(--bg2); }

/* Filters bar */
.filters-bar {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 20px; margin-bottom: 32px;
}
.filters-top { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.search-wrap { position: relative; flex: 1; min-width: 200px; }
.search-wrap svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--gray); }
#search-input {
  width: 100%; padding: 10px 12px 10px 38px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--white); font-family: var(--font-body); font-size: 0.9rem;
  transition: var(--transition);
}
#search-input:focus { outline: none; border-color: var(--neon); }
#search-input::placeholder { color: var(--gray); }

.filter-select {
  padding: 10px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--white); font-family: var(--font-body); font-size: 0.88rem;
  transition: var(--transition); cursor: pointer;
}
.filter-select:focus { outline: none; border-color: var(--neon); }
.filter-select option { background: var(--surface); }

.filters-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 6px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 600;
  border: 1px solid var(--border); color: var(--gray); background: transparent;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.chip:hover, .chip.active { border-color: var(--neon); color: var(--neon); background: var(--neon-dim); }

/* Products count */
.produtos-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.produtos-count { font-size: 0.85rem; color: var(--gray); }

/* Products grid */
.produtos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px)  { .produtos-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 900px)  { .produtos-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .produtos-grid { grid-template-columns: repeat(4, 1fr); } }

/* Product card */
.prod-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: var(--transition); cursor: pointer;
  display: flex; flex-direction: column;
}
.prod-card:hover { border-color: var(--neon); transform: translateY(-4px); box-shadow: var(--shadow-card), var(--shadow-neon); }
.prod-card-draft { cursor: not-allowed; opacity: 0.55; }
.prod-card-draft:hover { border-color: var(--border); transform: none; box-shadow: none; }

.prod-img-wrap { aspect-ratio: 4/3; position: relative; overflow: hidden; }
.prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.prod-card:hover .prod-img-wrap img { transform: scale(1.05); }
.prod-badges { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 4px; }
.prod-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg3) 0%, var(--surface) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  position: relative; overflow: hidden;
}
.prod-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 14px, rgba(57,255,20,0.04) 14px, rgba(57,255,20,0.04) 15px
  );
}
.prod-placeholder svg { width: 36px; height: 36px; color: var(--neon); opacity: 0.5; position: relative; z-index: 1; }
.prod-placeholder span { font-size: 0.7rem; color: var(--gray); position: relative; z-index: 1; }

.prod-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.prod-cat-chip {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--neon); background: var(--neon-dim); border: 1px solid var(--neon-glow);
  padding: 2px 8px; border-radius: 4px; display: inline-block; width: fit-content;
}
.prod-name { font-size: 0.92rem; font-weight: 700; line-height: 1.35; }
.prod-subcat { font-size: 0.75rem; color: var(--gray); }
.prod-price {
  margin-top: 4px; font-size: 0.8rem; color: var(--gray);
}
.prod-price strong { font-size: 1.05rem; color: var(--white); font-weight: 700; }
.prod-actions { margin-top: auto; padding-top: 12px; }

/* Empty state */
.empty-state {
  grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--gray);
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 16px; opacity: 0.4; }
.empty-state p { font-size: 1rem; margin-bottom: 4px; color: var(--white); }
.empty-state span { font-size: 0.85rem; }

/* ========================================
   PRODUCT MODAL
   ======================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(13, 14, 18, 0.92);
  backdrop-filter: blur(6px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 20px 16px; overflow-y: auto;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-xl); width: 100%; max-width: 960px;
  overflow: hidden; position: relative;
  transform: translateY(20px); transition: transform 0.3s ease;
  margin: auto;
}
.modal-overlay.open .modal-box { transform: translateY(0); }

.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 36px; height: 36px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray); transition: var(--transition);
}
.modal-close:hover { color: var(--white); border-color: var(--neon); }
.modal-close svg { width: 18px; height: 18px; }

.modal-layout { display: flex; flex-direction: column; }
@media (min-width: 768px) { .modal-layout { flex-direction: row; } }

/* Modal - Left: Gallery */
.modal-gallery { flex-shrink: 0; }
@media (min-width: 768px) { .modal-gallery { width: 420px; } }
.modal-main-img {
  aspect-ratio: 4/3; background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.modal-main-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-main-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg3) 0%, var(--surface) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; position: relative; overflow: hidden;
}
.modal-main-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 14px, rgba(57,255,20,0.04) 14px, rgba(57,255,20,0.04) 15px
  );
}
.modal-main-placeholder svg { width: 56px; height: 56px; color: var(--neon); opacity: 0.5; position: relative; z-index: 1; }
.modal-main-placeholder span { font-size: 0.85rem; color: var(--gray); position: relative; z-index: 1; }

.modal-thumbs { display: flex; gap: 8px; padding: 10px; background: var(--bg3); }
.modal-thumb {
  width: 64px; height: 48px; border-radius: var(--r-sm);
  overflow: hidden; border: 2px solid var(--border); cursor: pointer;
  transition: var(--transition); flex-shrink: 0;
}
.modal-thumb:hover, .modal-thumb.active { border-color: var(--neon); }
.modal-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Modal - Right: Info */
.modal-info { flex: 1; padding: 24px; overflow-y: auto; max-height: 85vh; }
@media (min-width: 768px) { .modal-info { max-height: 90vh; } }

.modal-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.75rem; color: var(--gray); margin-bottom: 12px; flex-wrap: wrap;
}
.modal-breadcrumb span { color: var(--neon); }
.modal-badges { display: flex; gap: 6px; margin-bottom: 10px; }
.modal-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.modal-desc { font-size: 0.9rem; color: var(--gray); line-height: 1.65; margin-bottom: 20px; }

/* Separator */
.modal-sep { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* Specs */
.modal-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.spec-item strong { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray); margin-bottom: 2px; }
.spec-item span { font-size: 0.9rem; font-weight: 500; }

/* Variation selector */
.variacoes-label {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--gray); margin-bottom: 10px;
}
.variacoes-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.var-btn {
  padding: 8px 18px; border-radius: var(--r);
  border: 2px solid var(--border); background: transparent;
  color: var(--gray); font-size: 0.88rem; font-weight: 600;
  transition: var(--transition); cursor: pointer;
}
.var-btn:hover { border-color: var(--neon); color: var(--neon); }
.var-btn.active {
  border-color: var(--neon); color: var(--bg);
  background: var(--neon); box-shadow: var(--shadow-neon);
}

/* Buy cards */
.buy-label {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--gray); margin-bottom: 12px;
}
.buy-cards { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 16px; }
@media (min-width: 480px) { .buy-cards { grid-template-columns: repeat(3, 1fr); } }

.buy-card {
  border-radius: var(--r); padding: 14px 12px;
  border: 1px solid var(--border); background: var(--bg3);
  display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center;
  transition: var(--transition);
}
.buy-card:hover { border-color: var(--neon-glow); }

.buy-card-platform { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.buy-card-logo { width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; font-weight: 900; }

.buy-card.lab3d .buy-card-logo { background: var(--neon); color: var(--bg); }
.buy-card.lab3d .buy-card-platform { color: var(--neon); }
.buy-card.mercadolivre .buy-card-logo { background: var(--ml-yellow); color: #333; }
.buy-card.mercadolivre .buy-card-platform { color: var(--ml-yellow); }
.buy-card.shopee .buy-card-logo { background: var(--shopee-orange); color: #fff; }
.buy-card.shopee .buy-card-platform { color: var(--shopee-orange); }

.buy-card-price { font-size: 1.1rem; font-weight: 700; line-height: 1; }
.buy-card-price.consultar { font-size: 0.78rem; color: var(--gray); }
.buy-card .btn { font-size: 0.75rem; padding: 7px 12px; border-radius: var(--r-sm); width: 100%; }
.buy-card.lab3d .btn-primary { background: var(--neon); border-color: var(--neon); }
.buy-card.mercadolivre .btn-ml { background: var(--ml-yellow); border-color: var(--ml-yellow); color: #333; }
.buy-card.shopee .btn-shopee { background: var(--shopee-orange); border-color: var(--shopee-orange); color: #fff; }

/* Aviso de segurança */
.aviso-seguranca {
  background: rgba(255, 107, 26, 0.1); border: 1px solid rgba(255, 107, 26, 0.3);
  border-radius: var(--r); padding: 12px 14px; margin-top: 16px;
  display: flex; gap: 10px; align-items: flex-start;
}
.aviso-seguranca svg { width: 16px; height: 16px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.aviso-seguranca p { font-size: 0.8rem; color: var(--orange); line-height: 1.5; }

/* ========================================
   COMO COMPRAR
   ======================================== */
#como-comprar { background: var(--bg); }
.steps-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 24px; margin-bottom: 40px;
}
@media (min-width: 640px)  { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps-grid { grid-template-columns: repeat(5, 1fr); } }

.step-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px 20px; text-align: center;
  transition: var(--transition);
}
.step-card:hover { border-color: var(--neon-glow); }
.step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--neon-dim); border: 2px solid var(--neon-glow);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1rem; font-weight: 900; color: var(--neon);
  margin: 0 auto 16px;
}
.step-title { font-size: 0.92rem; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 0.8rem; color: var(--gray); line-height: 1.5; }

.vitrine-note {
  background: var(--bg2); border: 1px solid var(--border); border-left: 4px solid var(--neon);
  border-radius: var(--r); padding: 16px 20px;
  display: flex; gap: 12px; align-items: flex-start;
}
.vitrine-note svg { width: 18px; height: 18px; color: var(--neon); flex-shrink: 0; margin-top: 2px; }
.vitrine-note p { font-size: 0.88rem; color: var(--gray); line-height: 1.6; }
.vitrine-note strong { color: var(--white); }

/* ========================================
   SOBRE
   ======================================== */
#sobre { background: var(--bg2); }
.sobre-layout { display: grid; grid-template-columns: 1fr; gap: 48px; }
@media (min-width: 900px) { .sobre-layout { grid-template-columns: 1fr 1fr; align-items: center; } }

.sobre-text p { font-size: 1rem; color: var(--gray); line-height: 1.8; margin-bottom: 16px; }
.sobre-diferenciais { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.diferencial {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px;
}
.diferencial svg { width: 18px; height: 18px; color: var(--neon); flex-shrink: 0; margin-top: 1px; }
.diferencial span { font-size: 0.85rem; font-weight: 500; }

.sobre-visual {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 32px; text-align: center;
}
.sobre-logo-mark {
  width: 80px; height: 80px; border-radius: 20px;
  background: var(--neon); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; box-shadow: var(--shadow-neon);
}
.sobre-logo-mark svg { width: 48px; height: 48px; color: var(--bg); }
.sobre-brand { font-family: var(--font-display); font-size: 1.4rem; font-weight: 900; letter-spacing: 0.08em; margin-bottom: 4px; }
.sobre-brand span { color: var(--neon); }
.sobre-empresa { font-size: 0.82rem; color: var(--gray); }
.sobre-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.stat { text-align: center; }
.stat strong { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--neon); }
.stat span { font-size: 0.72rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.04em; }

/* ========================================
   CONTATO
   ======================================== */
#contato { background: var(--bg); }
.contato-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 16px; margin-bottom: 32px;
}
@media (min-width: 640px) { .contato-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .contato-grid { grid-template-columns: repeat(4, 1fr); } }

.contato-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px 20px; text-align: center;
  transition: var(--transition);
}
.contato-card:hover { border-color: var(--neon-glow); transform: translateY(-3px); }
.contato-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--neon-dim); border: 1px solid var(--neon-glow);
  display: flex; align-items: center; justify-content: center;
  color: var(--neon); margin: 0 auto 14px;
}
.contato-icon svg { width: 24px; height: 24px; }
.contato-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); margin-bottom: 4px; }
.contato-value { font-size: 0.9rem; font-weight: 600; word-break: break-all; }

.contato-cta {
  text-align: center; background: var(--bg2); border: 1px solid var(--neon-glow);
  border-radius: var(--r-xl); padding: 40px 24px;
}
.contato-cta p { font-size: 1.1rem; color: var(--gray); margin-bottom: 20px; }
.contato-cta strong { color: var(--white); }

/* ========================================
   FOOTER
   ======================================== */
#footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 32px;
  padding-bottom: 32px; border-bottom: 1px solid var(--border); margin-bottom: 24px;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 0.82rem; color: var(--gray); line-height: 1.6; max-width: 280px; }

.footer-col h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--white); margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 0.85rem; color: var(--gray); transition: var(--transition); }
.footer-col a:hover { color: var(--neon); }

.footer-bottom {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 12px;
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-copy { font-size: 0.78rem; color: var(--gray); }
.footer-legal { font-size: 0.72rem; color: var(--border); line-height: 1.5; max-width: 500px; }

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   UTILS
   ======================================== */
.text-neon { color: var(--neon); }
.text-gray  { color: var(--gray); }
.text-center { text-align: center; }
.mt-4  { margin-top: 4px;  }
.mt-8  { margin-top: 8px;  }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-4  { margin-bottom: 4px;  }
.mb-8  { margin-bottom: 8px;  }
.mb-16 { margin-bottom: 16px; }
.d-flex { display: flex; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }

/* Back to top */
#back-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 44px; height: 44px; border-radius: var(--r);
  background: var(--neon); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-neon); transition: var(--transition);
  opacity: 0; pointer-events: none; transform: translateY(10px);
}
#back-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
#back-top:hover { transform: translateY(-3px); }
#back-top svg { width: 20px; height: 20px; }