/* =============================================
   FIT83 — Header, Hero, Sections & Footer
   Tema Branco Premium
   ============================================= */

/* ── PROMO BAR ─────────────────────────────────── */
.promo-bar {
  background: var(--black);
  padding: 10px 0; text-align: center;
}
.promo-bar p {
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem; font-weight: 400; letter-spacing: 0.8px;
}
.promo-bar strong { color: var(--white); font-weight: 600; }

/* ── HEADER ────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.99);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; padding: 0 40px;
  max-width: 1400px; margin: 0 auto;
}
/* Logo */
.nav-logo img {
  height: 48px; object-fit: contain;
}

/* Links */
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 0.82rem; font-weight: 500; color: var(--text-2);
  letter-spacing: 1.2px; text-transform: uppercase;
  transition: var(--ease); position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--black);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

/* Actions */
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-icon-btn {
  width: 40px; height: 40px;
  background: transparent; border: none;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2); transition: var(--ease); position: relative;
}
.nav-icon-btn:hover { color: var(--black); background: var(--light); }
.nav-icon-btn svg { width: 20px; height: 20px; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; background: transparent;
  border: none; align-items: center; justify-content: center; cursor: pointer;
}
.nav-hamburger span { width: 22px; height: 1.5px; background: var(--text); border-radius: 1px; transition: var(--ease); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 1100;
  background: var(--white);
  flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  font-family: var(--font-heading); font-size: 2.5rem; font-weight: 500;
  color: var(--text); transition: var(--ease); letter-spacing: -0.5px;
}
.mobile-menu a:hover { color: var(--gold); }
.mobile-close {
  position: absolute; top: 24px; right: 28px; font-size: 2rem;
  color: var(--text-3); cursor: pointer; transition: var(--ease);
}
.mobile-close:hover { color: var(--text); }

/* ── HERO ──────────────────────────────────────── */
.hero {
  min-height: 100svh;
  background: var(--off-white);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 70px;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 80px;
  max-width: 1320px; margin: 0 auto; padding: 80px 40px;
}

.hero-eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 4px;
  text-transform: uppercase; color: var(--gold); margin-bottom: 20px;
  display: flex; align-items: center; gap: 14px;
}
.hero-eyebrow::before { content: ''; width: 30px; height: 1px; background: var(--gold); }

.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 500; line-height: 1.08;
  color: var(--text); margin-bottom: 22px; letter-spacing: -1px;
}
.hero h1 em {
  font-style: italic; color: var(--gold);
  -webkit-text-fill-color: var(--gold);
}
.hero p { font-size: 1.05rem; color: var(--text-2); max-width: 440px; margin-bottom: 40px; line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 48px; margin-top: 60px;
  padding-top: 40px; border-top: 1px solid var(--border);
}
.hero-stat .num { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 600; color: var(--text); }
.hero-stat .label { font-size: 0.78rem; color: var(--text-3); margin-top: 2px; letter-spacing: 0.3px; }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-img-wrap {
  width: 100%; max-width: 500px;
  background: var(--light);
  overflow: hidden; position: relative;
  border-radius: var(--r);
  box-shadow: var(--shadow-lg);
}
.hero-img-wrap img { width: 100%; height: auto; object-fit: cover; }

.hero-badge {
  position: absolute; bottom: -16px; left: 24px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 20px;
  box-shadow: var(--shadow);
  animation: float 3.5s ease-in-out infinite;
}
.hero-badge .val { font-size: 0.9rem; font-weight: 700; color: var(--text); }
.hero-badge .lbl { font-size: 0.76rem; color: var(--text-3); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ── COLLECTIONS STRIP ─────────────────────────── */
.collections-strip { padding: 96px 0; background: var(--white); }
.collections-grid  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.collection-card {
  position: relative; overflow: hidden; cursor: pointer;
  border-radius: var(--r); aspect-ratio: 3/4;
  background: var(--light); transition: var(--ease);
}
.collection-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.65) 100%);
  z-index: 1; transition: opacity 0.3s ease;
}
.collection-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.collection-card:hover img { transform: scale(1.05); }
.collection-card:hover { box-shadow: var(--shadow-lg); }

.collection-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; z-index: 2; }
.collection-info .tag {
  font-size: 0.68rem; color: rgba(255,255,255,0.75);
  text-transform: uppercase; letter-spacing: 2px; font-weight: 600; margin-bottom: 6px;
}
.collection-info h3 { color: #fff; font-size: 1.6rem; font-weight: 500; margin-bottom: 4px; }
.collection-info span { font-size: 0.82rem; color: rgba(255,255,255,0.75); }
.collection-placeholder {
  width: 100%; height: 100%;
  background: var(--light);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; opacity: 0.3;
}

/* ── PRODUCTS SECTION ──────────────────────────── */
.products-section { padding: 96px 0; background: var(--white); }
.products-grid    { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.product-placeholder {
  width: 100%; height: 100%; background: var(--light);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; opacity: 0.25;
}

/* Filter tabs */
.filter-tabs { display: flex; gap: 0; margin-bottom: 48px; border-bottom: 1px solid var(--border); justify-content: center; }
.filter-tab {
  padding: 12px 28px; font-size: 0.8rem; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-3); cursor: pointer; transition: var(--ease); margin-bottom: -1px;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { color: var(--black); border-bottom-color: var(--black); }

/* ── SHIPPING BANNER ───────────────────────────── */
.shipping-banner {
  padding: 64px 0; background: var(--off-white);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.shipping-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.shipping-item { display: flex; align-items: flex-start; gap: 16px; }
.shipping-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.shipping-item h4 { font-size: 0.9rem; color: var(--text); margin-bottom: 3px; }
.shipping-item p  { font-size: 0.8rem; color: var(--text-3); line-height: 1.5; }

/* ── FOOTER ────────────────────────────────────── */
.footer {
  background: var(--black);
  padding: 72px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 56px; }
.footer-brand p { font-size: 0.87rem; color: rgba(255,255,255,0.5); line-height: 1.8; max-width: 240px; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.social-btn {
  width: 36px; height: 36px; background: rgba(255,255,255,0.1);
  border: none; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 1rem; transition: var(--ease); cursor: pointer;
}
.social-btn:hover { background: rgba(255,255,255,0.2); color: var(--white); }

.footer-col h5 { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 20px; }
.footer-col ul  { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.87rem; color: rgba(255,255,255,0.6); transition: var(--ease); }
.footer-col ul a:hover { color: var(--white); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .shipping-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .hero-grid        { grid-template-columns: 1fr; gap: 40px; padding: 60px 24px; }
  .hero-visual      { order: -1; }
  .hero-img-wrap    { max-width: 420px; }
  .collections-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav              { padding: 0 20px; }
  .nav-links        { display: none; }
  .nav-hamburger    { display: flex; }
  .products-grid    { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .collections-grid { grid-template-columns: 1fr; }
  .shipping-grid    { grid-template-columns: 1fr 1fr; }
  .hero-stats       { gap: 24px; flex-wrap: wrap; }
  .footer-grid      { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom    { flex-direction: column; text-align: center; }
}