/* ── CSS VARIABLES ────────────────────────────────── */
:root {
  --orange:    #FF8C00;
  --red:       #CC1100;
  --grad:      linear-gradient(100deg, #CC1100 0%, #FF8C00 100%);
  --dark:      #111111;
  --dark2:     #1a1a1a;
  --dark3:     #222222;
  --grey:      #333333;
  --grey2:     #444444;
  --silver:    #9a9a9a;
  --light:     #f2f2f2;
  --white:     #ffffff;
  --border:    rgba(255,140,0,.18);
  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

/* ── RESET ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── UTILITY ─────────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; min-width: 0; }
.section-label {
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--white);
}
.section-title span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 13px 30px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .25s ease;
  border: none;
}
.btn-primary {
  background: var(--grad);
  color: var(--white);
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); box-shadow: 0 8px 28px rgba(204,17,0,.35); }
.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-outline:hover { background: var(--orange); color: var(--white); }

/* ── TOP BAR ─────────────────────────────────────── */
.topbar {
  background: var(--dark3);
  border-bottom: 1px solid var(--grey);
  padding: 8px 0;
  font-size: .82rem;
  color: var(--silver);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a { color: var(--orange); transition: color .2s; }
.topbar a:hover { color: var(--white); }
.topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar-right a { display: flex; align-items: center; gap: 5px; }

/* ── HEADER / NAV ────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(17,17,17,.97);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent;
  border-image: var(--grad) 1;
  transition: box-shadow .3s;
}
header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.6); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo img { height: 52px; width: auto; }
nav { display: flex; align-items: center; gap: 6px; }
nav a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--silver);
  padding: 8px 14px;
  border-radius: 3px;
  transition: all .2s;
  position: relative;
}
nav a:hover, nav a.active { color: var(--white); }
nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transition: transform .2s;
}
nav a:hover::after { transform: scaleX(1); }
nav .btn-primary { padding: 9px 22px; font-size: .88rem; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--silver); transition: all .3s; }

/* ── HERO ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 80% 50%, rgba(204,17,0,.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 80%, rgba(255,140,0,.05) 0%, transparent 60%);
}
/* industrial grid pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,140,0,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,140,0,.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-line {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--grad);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  animation: fadeUp .9s ease both;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-eyebrow-line { width: 48px; height: 2px; background: var(--grad); flex-shrink: 0; }
.hero-eyebrow span {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--orange);
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.1rem;
  color: var(--silver);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 72px;
  border-top: 1px solid var(--border);
}
.hero-stat {
  background: var(--dark);
  padding: 28px 24px;
  text-align: center;
}
.hero-stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hero-stat span { font-size: .88rem; color: var(--silver); margin-top: 4px; display: block; }

/* ── DIVIDER ─────────────────────────────────────── */
.divider {
  height: 3px;
  background: var(--grad);
  position: relative;
}
.divider::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 10px solid var(--orange);
}

/* ── NOSOTROS ────────────────────────────────────── */
#nosotros {
  padding: 96px 0;
  background: var(--dark2);
  position: relative;
}
#nosotros::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 400px;
  background: radial-gradient(ellipse at right, rgba(255,140,0,.04), transparent 70%);
  pointer-events: none;
}
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.nosotros-text .section-label { margin-bottom: 8px; }
.nosotros-text .section-title { margin-bottom: 24px; }
.nosotros-text p { color: var(--silver); font-size: 1rem; line-height: 1.8; margin-bottom: 16px; }
.nosotros-cards { display: flex; flex-direction: column; gap: 20px; }
.card-mv {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.card-mv:hover { border-left-color: var(--red); transform: translateX(4px); }
.card-mv::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle at top right, rgba(255,140,0,.06), transparent 70%);
}
.card-mv h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}
.card-mv p { color: var(--silver); font-size: .95rem; line-height: 1.7; }

/* ── PRODUCTOS ───────────────────────────────────── */
#productos {
  padding: 96px 0;
  background: var(--dark);
}
.productos-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.productos-header .section-label, .productos-header .section-title { text-align: center; }
.productos-header p { color: var(--silver); margin-top: 14px; font-size: 1rem; }

.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--grey);
  border: 1px solid var(--grey);
  border-radius: 4px;
  overflow: hidden;
}
.prod-card {
  background: var(--dark2);
  display: flex;
  flex-direction: column;
  transition: background .2s;
  position: relative;
  overflow: hidden;
}
.prod-card:hover { background: var(--dark3); }
.prod-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transition: transform .3s;
  transform-origin: left;
  z-index: 1;
}
.prod-card:hover::after { transform: scaleX(1); }
.prod-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--dark3);
  flex-shrink: 0;
}
.prod-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.prod-card:hover .prod-img img { transform: scale(1.06); }
.prod-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prod-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
}
.prod-card p { font-size: .9rem; color: var(--silver); line-height: 1.6; }
.prod-tag {
  display: inline-block;
  font-size: .72rem;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: rgba(255,140,0,.12);
  color: var(--orange);
  border: 1px solid rgba(255,140,0,.2);
  padding: 3px 10px;
  border-radius: 2px;
  margin-top: auto;
}

/* ── FEATURES ────────────────────────────────────── */
#por-que {
  padding: 80px 0;
  background: var(--dark);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.feature {
  text-align: center;
  padding: 36px 20px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color .2s, transform .2s;
}
.feature:hover { border-color: rgba(255,140,0,.4); transform: translateY(-4px); }
.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}
.feature h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 10px;
}
.feature p { font-size: .88rem; color: var(--silver); line-height: 1.65; }

/* ── CTA ─────────────────────────────────────────── */
.cta-section {
  padding: 80px 0;
  background: var(--dark3);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 100% at 50% 50%, rgba(204,17,0,.07), transparent 70%);
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner .section-title { margin: 8px 0 20px; }
.cta-inner p { color: var(--silver); margin-bottom: 36px; font-size: 1.05rem; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── CONTACTO ────────────────────────────────────── */
#contacto {
  padding: 96px 0;
  background: var(--dark2);
}
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contacto-info .section-title { margin: 8px 0 24px; }
.contacto-info p { color: var(--silver); margin-bottom: 36px; line-height: 1.8; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item .ci-icon {
  width: 42px; height: 42px;
  background: rgba(255,140,0,.1);
  border: 1px solid rgba(255,140,0,.2);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item .ci-text label {
  display: block;
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 2px;
}
.contact-item .ci-text a,
.contact-item .ci-text span {
  font-size: .95rem;
  color: var(--light);
}
.contact-item .ci-text a:hover { color: var(--orange); }

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}
.social-btn {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--silver);
  transition: all .2s;
}
.social-btn:hover { border-color: var(--orange); color: var(--orange); }

/* contact form */
.contact-form-wrap {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 40px;
}
.contact-form-wrap h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 28px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label {
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--silver);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--dark);
  border: 1px solid var(--grey2);
  border-radius: 3px;
  color: var(--light);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .2s;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--orange);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--dark2); }

/* ── FOOTER ──────────────────────────────────────── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--grey);
}
.footer-main {
  padding: 64px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand img { height: 56px; margin-bottom: 20px; }
.footer-brand p { color: var(--silver); font-size: .9rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--orange);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: .9rem;
  color: var(--silver);
  transition: color .2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover { color: var(--orange); }
.footer-col ul li a::before {
  content: '›';
  color: var(--orange);
  font-weight: 700;
}
.footer-bottom {
  border-top: 1px solid var(--grey);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--silver);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: var(--orange); }

/* ── MOBILE NAV ──────────────────────────────────── */
#mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: var(--dark2);
  border-top: 1px solid var(--grey);
  padding: 16px;
}
#mobile-nav.open { display: flex; }
#mobile-nav a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--silver);
  padding: 12px 16px;
  border-radius: 3px;
}
#mobile-nav a:hover { color: var(--orange); background: rgba(255,140,0,.06); }

/* ── ANIMATIONS ──────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  nav { display: none; }
  .nav-toggle { display: flex; }
  .nosotros-grid { grid-template-columns: 1fr; gap: 40px; }
  .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .hero h1 { font-size: 2.8rem; }
}