/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, ul, figure { margin: 0; }
ul { list-style: none; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Tokens ---------- */
:root {
  --black: #0a0a0a;
  --ink: #141414;
  --gray-900: #1c1c1c;
  --gray-700: #3d3d3d;
  --gray-500: #6b6b6b;
  --gray-300: #b8b8b8;
  --gray-100: #eeeeee;
  --white: #ffffff;
  --accent: #ffcc00;

  --font-display: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container: 1180px;
  --radius: 2px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--black);
  color: var(--white);
  padding: 12px 20px;
  z-index: 200;
}
.skip-link:focus { left: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
  position: relative;
  padding-left: 28px;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--black);
  transform: translateY(-50%);
}

.section-sub {
  max-width: 640px;
  color: var(--gray-500);
  font-size: 1.05rem;
  margin-top: 16px;
}
.section-sub-light { color: rgba(255,255,255,0.65); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid var(--black);
  border-radius: var(--radius);
  transition: background .15s ease, color .15s ease, transform .1s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover { background: var(--gray-900); }
.btn-outline {
  background: transparent;
  color: var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-lg { padding: 17px 34px; font-size: 0.9rem; }
.btn:active { transform: translateY(1px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
}
.logo-dot { color: var(--accent); }

.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-700);
  position: relative;
  padding-bottom: 4px;
}
.main-nav a:hover { color: var(--black); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--black);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--gray-100);
  background:
    linear-gradient(180deg, var(--white) 0%, var(--white) 100%);
}
.hero-inner { max-width: 820px; }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 640px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  border-top: 1px solid var(--gray-100);
  padding-top: 28px;
}
.hero-stats li { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--gray-100); }
.section-dark { background: var(--black); color: var(--white); }
.section-dark h2 { color: var(--white); }
.section-dark .eyebrow { color: rgba(255,255,255,0.5); }
.section-dark .eyebrow::before { background: var(--white); }

.section h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 720px;
}

/* ---------- Grids / Cards ---------- */
.grid { display: grid; gap: 1px; margin-top: 48px; background: var(--gray-100); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--gray-300);
}
.card h3 {
  font-size: 1.1rem;
  text-transform: none;
  letter-spacing: 0;
}
.card p { color: var(--gray-500); font-size: 0.95rem; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.product-card {
  background: var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
}
.product-card .product-media {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #0b2c48;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform .25s ease;
}
.product-card:hover img { transform: scale(1.03); }
.product-card figcaption {
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.product-note {
  margin-top: 32px;
  color: var(--gray-500);
  font-size: 0.95rem;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}
.tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 10px 18px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
}
.tag-dark {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.grid-2col h2 { margin-top: 4px; }

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.feature {
  display: flex;
  gap: 18px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--gray-100);
}
.feature:last-child { border-bottom: none; padding-bottom: 0; }
.feature-index {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--gray-300);
  font-size: 1.2rem;
  line-height: 1;
}
.feature h3 {
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 6px;
}
.feature p { color: var(--gray-500); font-size: 0.95rem; }

/* ---------- Contacto ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}
.contact-copy .btn { margin-top: 28px; }
.contact-info {
  border: 1px solid var(--gray-100);
  padding: 8px;
}
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 20px;
  border-bottom: 1px solid var(--gray-100);
  gap: 16px;
}
.info-row:last-child { border-bottom: none; }
.info-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.info-value { font-weight: 600; text-align: right; }
.info-value a { border-bottom: 1px solid var(--black); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.logo-footer { color: var(--white); }

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #1c1c1c;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  z-index: 150;
  transition: transform .15s ease, background .15s ease;
}
.whatsapp-float:hover { transform: scale(1.06); background: var(--black); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-2col { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .main-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--gray-100); }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 56px 0 56px; }
  .section { padding: 64px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .hero-stats { gap: 32px; }
}