/* ============================================================
   JTEC – Fabricaciones Metálicas y Madera
   Paleta: Fuego/Llama (#FF6A00, #E63900), Plateado (#B0B0B0, #888),
           Blanco (#FFFFFF), Negro (#111111)
   ============================================================ */

:root {
  --fire:       #FF6A00;
  --fire-dark:  #E63900;
  --silver:     #B0B0B0;
  --silver-dk:  #888888;
  --white:      #FFFFFF;
  --black:      #111111;
  --gray:       #1a1a1a;
  --gray-light: #f4f4f4;
  --card-bg:    #1e1e1e;
  --border:     #2a2a2a;
  --radius:     12px;
  --shadow:     0 8px 32px rgba(0,0,0,0.35);
  --transition: .3s ease;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Open Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* CONTAINER */
.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* ============================================================
   TYPOGRAPHY HELPERS
   ============================================================ */
.accent      { color: var(--fire); }
.fire-text   { color: var(--fire); }
.fire        { color: var(--fire); }
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fire);
  border: 1px solid var(--fire);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-header p {
  color: var(--silver);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: .9rem;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--fire), var(--fire-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255,106,0,.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,106,0,.6);
}
.btn-outline {
  border-color: var(--silver);
  color: var(--silver);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--fire);
  color: var(--fire);
}
.btn-wa {
  background: #25D366;
  color: var(--white) !important;
  border-radius: 50px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  transition: var(--transition);
}
.btn-wa:hover { background: #1ebe57; transform: translateY(-2px); }
.full-width { width: 100%; justify-content: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,.95);
  padding: 12px 0;
}
.nav-container {
  width: min(1140px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.55rem;
  letter-spacing: .04em;
}
.logo-icon { color: var(--fire); font-size: 1.4rem; }
.logo-text { color: var(--white); }
.nav-links {
  display: flex;
  gap: 34px;
}
.nav-links a {
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--silver);
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--fire);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--fire); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,106,0,.18) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(180,180,180,.07) 0%, transparent 55%),
              var(--black);
  padding: 120px 0 80px;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,.015) 40px,
    rgba(255,255,255,.015) 41px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,.015) 40px,
    rgba(255,255,255,.015) 41px
  );
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1140px, 92%);
  margin: 0 auto;
  max-width: 680px;
}
.hero-tag {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fire);
  margin-bottom: 18px;
}
.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 22px;
}
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--silver);
  max-width: 520px;
  margin-bottom: 38px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Animated shapes */
.hero-shapes { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: floatShape 8s ease-in-out infinite;
}
.shape1 { width: 500px; height: 500px; background: var(--fire); top: -100px; right: -100px; animation-delay: 0s; }
.shape2 { width: 300px; height: 300px; background: var(--silver); bottom: 0; right: 30%; animation-delay: 3s; }
.shape3 { width: 200px; height: 200px; background: var(--fire-dark); top: 40%; left: 55%; animation-delay: 6s; }

@keyframes floatShape {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-30px) scale(1.06); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 100px 0;
  background: var(--gray);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-text h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}
.about-text p {
  color: var(--silver);
  margin-bottom: 16px;
}
.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: var(--silver-dk);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* Visual box */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.visual-box {
  position: relative;
  width: 340px;
  height: 340px;
  background: linear-gradient(135deg, #1e1e1e, #2a2a2a);
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.visual-icon {
  font-size: 7rem;
  color: var(--fire);
  opacity: .25;
  user-select: none;
}
.visual-lines { position: absolute; inset: 0; pointer-events: none; }
.vl {
  position: absolute;
  background: linear-gradient(to bottom, transparent, var(--fire), transparent);
  width: 1px;
  height: 100%;
  opacity: .18;
}
.vl1 { left: 33%; }
.vl2 { left: 50%; opacity: .12; }
.vl3 { left: 66%; }

.badge {
  position: absolute;
  background: rgba(255,106,0,.12);
  border: 1px solid rgba(255,106,0,.35);
  color: var(--fire);
  font-size: .75rem;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(6px);
}
.badge1 { top: 24px;  left: 20px; }
.badge2 { bottom: 24px; left: 20px; }
.badge3 { top: 50%;  right: 16px; transform: translateY(-50%); white-space: nowrap; }

/* ============================================================
   CATALOG
   ============================================================ */
.catalog {
  padding: 100px 0;
  background: var(--black);
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--silver);
  padding: 9px 22px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--fire), var(--fire-dark));
  border-color: transparent;
  color: var(--white);
}

/* Products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,106,0,.2);
  border-color: rgba(255,106,0,.4);
}
.product-card.hidden { display: none; }

.product-icon-wrap {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255,255,255,.9);
}
.product-info {
  padding: 22px 24px 16px;
  flex: 1;
}
.product-category {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--silver-dk);
}
.product-info h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  margin: 6px 0 10px;
  color: var(--white);
}
.product-info p {
  font-size: .88rem;
  color: var(--silver);
  line-height: 1.6;
}
.product-tags {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.product-tags span {
  font-size: .72rem;
  font-weight: 600;
  color: var(--silver-dk);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.btn-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 24px 24px;
  padding: 11px 18px;
  background: rgba(255,106,0,.1);
  border: 1px solid rgba(255,106,0,.3);
  border-radius: 8px;
  color: var(--fire);
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  transition: var(--transition);
}
.btn-card:hover {
  background: linear-gradient(135deg, var(--fire), var(--fire-dark));
  border-color: transparent;
  color: var(--white);
}

/* ============================================================
   WHY US
   ============================================================ */
.why {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a0800, #0a0a0a 60%, #111);
  position: relative;
  overflow: hidden;
}
.why::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,106,0,.1) 0%, transparent 70%);
  top: -150px; right: -150px;
  pointer-events: none;
}
.section-header.light h2 { color: var(--white); }
.section-tag.light-tag { color: var(--fire); border-color: var(--fire); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 10px;
}
.why-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.why-card:hover {
  background: rgba(255,106,0,.08);
  border-color: rgba(255,106,0,.3);
  transform: translateY(-4px);
}
.why-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--fire), var(--fire-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.3rem;
  color: var(--white);
  box-shadow: 0 4px 18px rgba(255,106,0,.4);
}
.why-card h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--white);
}
.why-card p {
  font-size: .85rem;
  color: var(--silver);
  line-height: 1.6;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 100px 0;
  background: var(--gray);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.info-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.info-icon {
  width: 48px; height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--fire), var(--fire-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(255,106,0,.35);
}
.info-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--silver-dk);
  display: block;
  margin-bottom: 4px;
}
.info-value {
  display: block;
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--transition);
}
a.info-value:hover { color: var(--fire); }
.wa-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Contact form */
.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--silver-dk);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  font-family: 'Open Sans', sans-serif;
  font-size: .9rem;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-group select option { background: var(--card-bg); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--fire);
  box-shadow: 0 0 0 3px rgba(255,106,0,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--silver-dk); }

/* Map */
.map-wrap {
  margin-top: 60px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 340px;
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(1) invert(0.9) contrast(1.1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-brand p {
  font-size: .85rem;
  color: var(--silver-dk);
  margin-top: 14px;
  max-width: 280px;
  line-height: 1.7;
}
.footer h5 {
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-links, .footer-products {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a, .footer-products a {
  font-size: .85rem;
  color: var(--silver-dk);
  transition: color var(--transition);
}
.footer-links a:hover, .footer-products a:hover { color: var(--fire); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact p {
  font-size: .85rem;
  color: var(--silver-dk);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact p i { color: var(--fire); }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: .78rem;
  color: #444;
}

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--white);
  box-shadow: 0 6px 22px rgba(37,211,102,.5);
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.1); background: #1ebe57; }
@keyframes pulse {
  0%,100% { box-shadow: 0 6px 22px rgba(37,211,102,.5); }
  50%      { box-shadow: 0 6px 32px rgba(37,211,102,.8), 0 0 0 12px rgba(37,211,102,.08); }
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 44px; height: 44px;
  background: rgba(255,106,0,.85);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 998;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(255,106,0,.4);
}
.back-top.show { display: flex; }
.back-top:hover { background: var(--fire); transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid  { grid-template-columns: 1fr; gap: 48px; }
  .visual-box  { width: 280px; height: 280px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 260px; height: 100vh;
    background: rgba(10,10,10,.98);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 0 40px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }

  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
  .hero-title   { font-size: clamp(2rem, 9vw, 3.5rem); }
}

@media (max-width: 520px) {
  .footer-grid  { grid-template-columns: 1fr; }
  .about-stats  { gap: 20px; }
  .hero-btns    { flex-direction: column; }
  .btn          { width: 100%; justify-content: center; }
  .contact-form { padding: 24px 18px; }
  .wa-buttons   { flex-direction: column; }
  .badge3       { display: none; }
}