/* ===== Epoxy BAU — estilos base ===== */

:root {
  --color-blue: #00A0E3;
  --color-blue-dark: #0080b8;
  --color-black: #1C1B18;
  --color-white: #FFFFFF;
  --color-gray-light: #F4F5F6;
  --color-gray-mid: #8A8A85;

  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1180px;
  --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 64px 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 16px;
}

.section-intro {
  max-width: 620px;
  color: #4A4A46;
  margin-bottom: 40px;
}

.placeholder {
  outline: 2px dashed #E0A100;
  outline-offset: 4px;
  background: #FFF8E6;
  position: relative;
}

.placeholder::before {
  content: attr(data-placeholder-label);
  position: absolute;
  top: -11px;
  left: 8px;
  background: #E0A100;
  color: var(--color-white);
  font-size: 0.65rem;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
}

/* ===== Botones ===== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: #25D366;
  color: var(--color-white);
}
.btn-primary:hover { background: #1fbd5a; }

.btn-secondary {
  background: transparent;
  border-color: var(--color-black);
  color: var(--color-black);
}
.btn-secondary:hover { background: var(--color-black); color: var(--color-white); }

.btn-light {
  background: var(--color-white);
  color: var(--color-black);
}

/* ===== Header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid #ECECEC;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.site-header .logo img { height: 40px; width: auto; }

.nav-links {
  display: none;
  gap: 32px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  border-bottom-color: var(--color-blue);
}

.header-cta { display: none; }

.nav-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  margin: 5px 0;
  transition: 0.2s;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-bottom: 1px solid #ECECEC;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  padding: 16px 20px;
  border-top: 1px solid #ECECEC;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

@media (min-width: 860px) {
  .nav-links { display: flex; }
  .header-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ===== Hero ===== */

.hero {
  background: var(--color-black);
  color: var(--color-white);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  gap: 32px;
  align-items: center;
}

.hero-eyebrow {
  color: var(--color-blue);
  font-family: var(--font-heading);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  margin-bottom: 20px;
}

.hero h1 span { color: var(--color-blue); }

.hero p {
  color: #D8D8D5;
  max-width: 520px;
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  min-height: 220px;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 860px) {
  .hero .container { grid-template-columns: 1.1fr 0.9fr; }
}

/* ===== Trust bar ===== */

.trust-bar {
  background: var(--color-blue);
  color: var(--color-white);
  padding: 32px 0;
}

.trust-bar .container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-bar .container.cols-3 {
  grid-template-columns: 1fr;
  gap: 32px;
}

.trust-stat .number {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1;
  height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-stat .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

@media (min-width: 700px) {
  .trust-bar .container { grid-template-columns: repeat(4, 1fr); }
  .trust-bar .container.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Cards genéricas ===== */

.card-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--color-gray-light);
  border-radius: var(--radius);
  padding: 32px 24px;
}

.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p { color: #4A4A46; font-size: 0.95rem; }

/* ===== Sectores atendidos ===== */

.sector-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sector-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--color-white);
  border: 1px solid #E4E4E1;
  border-radius: 999px;
  padding: 11px 20px 11px 16px;
  font-size: 0.92rem;
  font-weight: 500;
}

.sector-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
  flex-shrink: 0;
}

/* ===== Por qué elegirnos ===== */

.why-list {
  display: grid;
  gap: 20px;
}

@media (min-width: 700px) {
  .why-list.cols-2 { grid-template-columns: repeat(2, 1fr); column-gap: 32px; }
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-item .bullet {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
}

/* ===== Galería ===== */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.gallery-grid .gallery-item {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  text-align: center;
  color: #B8860B;
  padding: 8px;
  overflow: hidden;
  position: relative;
}

.gallery-grid .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-grid .gallery-item span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 6px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
  font-size: 0.75rem;
  text-align: left;
}

@media (min-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== CTA banda (curso) ===== */

.cta-banner {
  background: var(--color-blue);
  color: var(--color-white);
  text-align: center;
}

.cta-banner h2 { margin-bottom: 12px; }

.cta-banner p {
  max-width: 520px;
  margin: 0 auto 28px;
  color: #EAF7FF;
}

/* ===== Testimonios ===== */

.testimonial-card {
  background: var(--color-white);
  border: 1px solid #ECECEC;
  border-radius: var(--radius);
  padding: 28px 24px;
}

.testimonial-card .quote {
  font-size: 0.95rem;
  color: #333;
  margin-bottom: 16px;
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-light);
}

.testimonial-card .name {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.testimonial-card .role {
  font-size: 0.78rem;
  color: var(--color-gray-mid);
}

/* ===== Curso — temario ===== */

.temario-list {
  display: grid;
  gap: 12px;
}

.temario-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-white);
  border: 1px solid #ECECEC;
  border-radius: var(--radius);
  padding: 18px 20px;
}

.temario-item .num {
  font-family: var(--font-heading);
  color: var(--color-blue);
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* ===== Catálogo ===== */

.product-card {
  background: var(--color-white);
  border: 1px solid #ECECEC;
  border-radius: var(--radius);
  overflow: hidden;
}

.product-card .product-photo {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  text-align: center;
  color: #B8860B;
  padding: 8px;
}

.product-card .product-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card .product-body { padding: 22px; }

.product-card .product-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 8px;
}

.product-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.product-card p { color: #4A4A46; font-size: 0.92rem; margin-bottom: 14px; }

.product-card .product-price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-black);
}

.featured-product {
  display: grid;
  gap: 24px;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 40px;
}

.featured-product .product-photo {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
}

.featured-badge {
  display: inline-block;
  background: var(--color-blue);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 14px;
}

.featured-product .product-price {
  color: var(--color-white);
  font-size: 2rem;
  margin: 12px 0 20px;
}

@media (min-width: 860px) {
  .featured-product { grid-template-columns: 1fr 1fr; align-items: center; }
}

.swatch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.swatch {
  text-align: center;
  width: 76px;
}

.swatch .dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin: 0 auto 8px;
  border: 1px solid rgba(0,0,0,0.08);
}

.swatch .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #4A4A46;
}

.yield-table {
  width: 100%;
  border-collapse: collapse;
  overflow-x: auto;
  display: block;
}

.yield-table table { width: 100%; border-collapse: collapse; min-width: 480px; }

.yield-table th, .yield-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #ECECEC;
  font-size: 0.9rem;
}

.yield-table th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-gray-mid);
}

.system-layers {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  max-width: 360px;
}

.system-layers .layer {
  padding: 10px 14px;
  font-size: 0.85rem;
  border-radius: 2px;
}

/* ===== Footer ===== */

.site-footer {
  background: var(--color-black);
  color: #C9C9C6;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-grid .logo img { height: 34px; margin-bottom: 16px; }

.footer-grid h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-grid ul { list-style: none; display: grid; gap: 10px; font-size: 0.9rem; }

.footer-grid a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid #34332E;
  padding-top: 20px;
  font-size: 0.78rem;
  color: #8A8A85;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
}

@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
}

/* ===== WhatsApp botón flotante ===== */

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}

.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ===== Líneas de producto (catálogo) ===== */

.line-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (min-width: 700px) {
  .line-grid { grid-template-columns: repeat(3, 1fr); }
}

.line-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-white);
  border: 1px solid #ECECEC;
  border-radius: var(--radius);
  padding: 16px 18px;
}

.line-item .dot-mark {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-blue);
}

.line-item span { font-size: 0.92rem; font-weight: 500; }

/* ===== Formulario de cotización ===== */

.quote-form {
  display: grid;
  gap: 16px;
  max-width: 560px;
}

@media (min-width: 640px) {
  .quote-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
}

.quote-form label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  margin-bottom: 6px;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid #D8D8D5;
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-black);
}

.quote-form input:focus,
.quote-form textarea:focus {
  outline: 2px solid var(--color-blue);
  outline-offset: 1px;
}

.quote-form textarea { resize: vertical; min-height: 100px; }

.quote-form .form-note {
  font-size: 0.82rem;
  color: var(--color-gray-mid);
}