/* MF Tech Store - Catálogo simple */
:root {
  --bg: #0a1622;
  --bg-2: #0f1f2e;
  --card: #101f2f;
  --text: #e6edf3;
  --text-2: #b6c2d1;
  --accent: #22d3ee;
  --accent-2: #3b82f6;
  --border: rgba(148, 163, 184, 0.25);
  --ok: #22c55e;
  --warn: #f59e0b;
  --shadow: 0 30px 60px -40px rgba(34, 211, 238, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(1200px 800px at 10% -10%, rgba(34, 211, 238, 0.12), transparent),
              radial-gradient(900px 700px at 90% -20%, rgba(59, 130, 246, 0.12), transparent),
              var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: min(1040px, 100% - 2rem);
  margin: 0 auto;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--accent);
  color: #041018;
  padding: .5rem .8rem;
  border-radius: 999px;
  z-index: 10;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 9;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(10, 22, 34, 0.98) 0%, rgba(10, 22, 34, 0.8) 100%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .6rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
}
.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 20px 40px -25px rgba(34, 211, 238, 0.8);
}
.brand-text {
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-text b { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav a {
  font-size: .9rem;
  color: var(--text-2);
  transition: color .2s ease;
}
.nav a:hover { color: var(--text); }
.nav-back { color: var(--accent) !important; font-weight: 500; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .92rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border .2s ease;
}
.btn-small {
  padding: .45rem .8rem;
  font-size: .86rem;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.9), rgba(59, 130, 246, 0.9));
  color: #041018;
  box-shadow: var(--shadow);
}
.btn-small:hover { transform: translateY(-2px); }
.btn-primary {
  padding: .65rem 1.3rem;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.95), rgba(59, 130, 246, 0.95));
  color: #041018;
  box-shadow: var(--shadow);
}
.btn-ghost {
  padding: .65rem 1.3rem;
  background: transparent;
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.4);
}
.btn-primary:hover, .btn-ghost:hover { transform: translateY(-2px); }
.btn-block { width: 100%; justify-content: center; }
.ico { width: 16px; height: 16px; }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .6rem .8rem;
}
.menu-btn span {
  width: 18px;
  height: 2px;
  background: var(--text);
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.4rem, 6vw, 4rem);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .4;
}
.orb-a { top: -220px; left: -160px; background: radial-gradient(circle, rgba(34, 211, 238, 0.8), transparent); }
.orb-b { bottom: -280px; right: -200px; background: radial-gradient(circle, rgba(59, 130, 246, 0.7), transparent); }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .25;
  mask-image: radial-gradient(circle at top, black, transparent 70%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.6rem, 5vw, 3rem);
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .72rem;
  color: var(--accent);
}
.hero h1 {
  margin: .8rem 0;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.grad {
  background: linear-gradient(90deg, #22d3ee, #3b82f6);
  -webkit-background-clip: text;
  color: transparent;
}
.lead {
  color: var(--text-2);
  font-size: clamp(.96rem, 1.5vw, 1.06rem);
  max-width: 520px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.2rem;
  margin-top: 1.4rem;
  color: var(--text-2);
}
.trust li { display: flex; align-items: center; gap: .5rem; }
.trust li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.12);
}

/* MOCK */
.mock-window {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: radial-gradient(400px 300px at 50% 0%, rgba(34, 211, 238, 0.16), transparent), var(--card);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border);
}
.mock-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.6);
}
.mock-bar span { margin-left: .8rem; color: var(--text-2); font-size: .9rem; }
.mock-body { display: grid; gap: .8rem; padding: clamp(1.2rem, 3vw, 1.8rem); }
.mock-title { font-weight: 600; }
.mock-stat { display: flex; align-items: center; gap: .8rem; color: var(--text-2); }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.12); }
.mock-chart {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: end;
  gap: .6rem;
  height: 110px;
}
.mock-chart span {
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.9), rgba(59, 130, 246, 0.4));
  height: var(--h);
}
.mock-foot { color: var(--text-2); font-size: .95rem; }

/* SECTIONS */
.section { padding: clamp(2.2rem, 5.5vw, 3.8rem) 0; }
.section-alt {
  background: radial-gradient(800px 600px at 50% 0%, rgba(34, 211, 238, 0.08), transparent), var(--bg-2);
  border-block: 1px solid var(--border);
}
.section-head { display: grid; gap: .6rem; margin-bottom: clamp(1.4rem, 4vw, 2.4rem); }
.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  letter-spacing: -0.03em;
}
.section-sub { color: var(--text-2); max-width: 560px; }

/* FILTERS */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(1.2rem, 3vw, 1.8rem);
}
.filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  padding: .4rem .85rem;
  font-size: .85rem;
}
.filter-btn.active {
  color: #041018;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.9), rgba(59, 130, 246, 0.9));
  border-color: transparent;
}

/* PRODUCTS */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 310px));
  justify-content: center;
  align-items: stretch;
  gap: clamp(.8rem, 2vw, 1.2rem);
}
.product-card {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: radial-gradient(480px 300px at 0% 0%, rgba(34, 211, 238, 0.12), transparent), var(--card);
  overflow: hidden;
  box-shadow: 0 22px 45px -38px rgba(34, 211, 238, 0.5);
  transition: transform .18s ease, border-color .18s ease;
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.45);
}
.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  padding: .75rem;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(59, 130, 246, 0.12));
}
.product-badge {
  position: absolute;
  top: .7rem;
  left: .7rem;
  z-index: 1;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.92);
  color: #041018;
  font-size: .72rem;
  font-weight: 700;
}
.product-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
}
.product-body {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: .85rem .95rem 1rem;
  flex: 1;
}
.product-meta { display: flex; flex-wrap: wrap; gap: .35rem; }
.product-category {
  padding: .2rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: .72rem;
}
.product-title {
  margin: 0;
  font-size: .98rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-desc {
  color: var(--text-2);
  margin: 0;
  font-size: .8rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-more {
  border-top: 1px dashed var(--border);
  padding-top: .55rem;
}
.product-more summary {
  display: flex;
  align-items: center;
  gap: .35rem;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
}
.product-more summary::-webkit-details-marker { display: none; }
.product-more summary::after { content: '▾'; transition: transform .15s ease; }
.product-more[open] summary::after { transform: rotate(180deg); }
.product-features, .product-media-gallery { margin-top: .75rem; }
.product-features h4, .product-media-gallery h4 {
  margin: 0 0 .45rem 0;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-2);
}
.product-features ul {
  display: grid;
  gap: .35rem;
  color: var(--text-2);
  font-size: .82rem;
}
.product-features li { display: flex; gap: .45rem; }
.product-features li::before {
  content: '';
  margin-top: .5rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: .5rem;
}
.gallery-video {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #000;
  aspect-ratio: 9/16;
  object-fit: cover;
}
.gallery-note { color: var(--text-2); font-size: .78rem; margin-top: .5rem; }
.gallery-img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  aspect-ratio: 9/16;
  object-fit: cover;
}
.products-empty {
  padding: 1.4rem;
  border: 1px dashed var(--border);
  border-radius: 16px;
  color: var(--text-2);
  text-align: center;
}
.products-empty a { color: var(--accent); text-decoration: underline; }
.product-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding-top: .8rem;
  border-top: 1px solid var(--border);
}
.product-price { display: flex; align-items: baseline; gap: .45rem; }
.price-label {
  color: var(--text-2);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.price-amount {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.price-currency { font-size: .72em; color: var(--text-2); }

.catalog-note {
  margin-top: clamp(1.4rem, 3.5vw, 2.2rem);
  text-align: center;
  color: var(--text-2);
}
.catalog-note a { color: var(--accent); }

/* STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.steps li {
  position: relative;
  display: grid;
  gap: .6rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.12), transparent), var(--card);
}
.step-n {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.9), rgba(59, 130, 246, 0.9));
  color: #041018;
  font-weight: 700;
}
.steps h3 { margin: 0; }
.steps p { margin: 0; color: var(--text-2); }

/* CONTACT */
.contact-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-radius: 20px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: radial-gradient(600px 400px at 0% 0%, rgba(34, 211, 238, 0.16), transparent), var(--card);
  box-shadow: var(--shadow);
}
.contact-copy {
  display: grid;
  gap: .8rem;
  padding: clamp(1.4rem, 4vw, 2.6rem);
}
.contact-copy h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  letter-spacing: -0.02em;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: .8rem;
}
.btn-lg { padding: .7rem 1.5rem; }
.contact-note { color: var(--text-2); }
.contact-side {
  display: grid;
  align-content: center;
  gap: 1.2rem;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border-left: 1px solid var(--border);
  background: radial-gradient(400px 300px at 50% 0%, rgba(34, 211, 238, 0.12), transparent);
}
.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .6rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  width: fit-content;
}
.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70% { box-shadow: 0 0 0 12px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.contact-list { display: grid; gap: .8rem; }
.contact-list li { display: grid; gap: .2rem; }
.contact-list b { font-weight: 600; }
.contact-list span { color: var(--text-2); }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: grid;
  gap: 1.2rem;
  justify-items: center;
  text-align: center;
  padding: clamp(1.5rem, 4.5vw, 2.4rem) 0;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .7rem;
}
.footer-brand img {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  object-fit: cover;
}
.footer-name { margin: 0; font-weight: 600; }
.footer-tag { margin: 0; color: var(--text-2); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.6rem;
  color: var(--text-2);
}
.footer-nav a:hover { color: var(--text); }
.footer-social {
  display: flex;
  gap: .8rem;
}
.footer-social a {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-2);
}
.footer-social a:hover { color: var(--text); }
.footer-social svg { width: 16px; height: 16px; }
.footer-copy { color: var(--text-2); margin: 0; }

/* FLOAT */
.wa-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 30px 60px -30px rgba(37, 211, 102, 0.9);
  z-index: 8;
}
.wa-float svg { width: 26px; height: 26px; }

/* RESPONSIVE */
@media (max-width: 1080px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-card { grid-template-columns: 1fr; }
  .contact-side { border-left: none; border-top: 1px solid var(--border); }
}
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; }
  .nav {
    position: absolute;
    top: 76px;
    right: 1rem;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(10, 22, 34, 0.98);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    display: none;
  }
  .nav.open { display: flex; }
  .menu-btn { display: flex; }
}
@media (max-width: 680px) {
  .steps { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
}