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

:root {
  --bg: #ffffff;              /* fundo principal branco */
  --bg-alt: #f3f4f6;          /* cinza bem claro para seções */
  --card-bg: #ffffff;
  --primary: #00bfb3;         /* verde água da logo */
  --primary-alt: #0ea5e9;     /* azul claro da logo */
  --primary-soft: rgba(14, 165, 233, 0.10);
  --text: #0f172a;            /* azul bem escuro (quase preto) */
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.10);
  --radius-lg: 18px;
  --radius-md: 12px;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #e8f5f4;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 7vw;
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 191, 179, 0.25);
}

.topbar-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  pointer-events: none;
}

.topbar-brand {
  font-size: 1.75rem;
  font-weight: 700;
  font-style: italic;
  color: var(--primary);
  line-height: 1;
}

.topbar-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .topbar-tagline {
    display: none;
  }
  .topbar-brand {
    font-size: 1.1rem;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-img {
  height: 64px;      /* aumenta o tamanho mas mantém proporção */
  width: auto;       /* impede distorção horizontal */
  display: block;
}

@media (max-width: 640px) {
  .logo-img {
    height: 48px;    /* um pouco menor no mobile */
  }
}

.fitcoin-badge {
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(14, 165, 233, 0.4);
  background: linear-gradient(to right, rgba(0, 191, 179, 0.08), rgba(14, 165, 233, 0.08));
  box-shadow: none;
}

/* Container */

.container {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  padding: 24px 7vw 40px;
  margin: 0 auto;
}

/* Hero */

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  margin-bottom: 28px;
}

.hero-text h1 {
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  margin-bottom: 6px;
}

.hero-text p {
  color: var(--text-muted);
  max-width: 480px;
}

.hero-text .brand-name {
  font-style: italic;
  color: var(--primary);
  font-weight: 700;
}

/* Filters */

.filters {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

.search-box input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  background-color: #ffffff;
  color: var(--text);
  outline: none;
  font-size: 0.95rem;
}

.search-box input::placeholder {
  color: #6b7280;
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.5);
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.18s ease;
}

.filter-btn:hover {
  border-color: var(--primary-alt);
  color: var(--text);
}

.filter-btn.active {
  background: linear-gradient(to right, rgba(0, 191, 179, 0.15), rgba(14, 165, 233, 0.15));
  border-color: var(--primary);
  color: var(--text);
  box-shadow: none;
}

/* Products grid */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 10px;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.product-badge {
  position: absolute;
  top: 10px;
  left: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  color: #6b7280;
}

.product-image {
  width: 100%;
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  flex-shrink: 0;
  background: radial-gradient(circle at 20% 0, rgba(0, 191, 179, 0.18), rgba(209, 213, 219, 0.4));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  overflow: hidden;
}

.product-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

.product-description {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.4em;
  flex: 1;
}

.product-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 4px;
}

.product-price {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.98rem;
}

.price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 2px;
}

.product-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer */

.footer {
  padding: 14px 7vw 18px;
  font-size: 0.78rem;
  text-align: center;
  color: #6b7280;
  border-top: 1px solid rgba(0, 191, 179, 0.25);
  background: #dff0ef;
}

/* Responsivo */

@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    padding-inline: 16px;
  }

  .container {
    padding-inline: 16px;
  }
}