/* ══════════════════════════════════════
   POLYMERS SEALS SOLUTIONS
   Main Stylesheet
   ══════════════════════════════════════ */

:root {
  --blue-dark: #03306D;
  --blue-mid: #2163B1;
  --blue-light: #D9E8F5;
  --white: #FFFFFF;
  --text-dark: #1A1A2E;
  --text-body: #333333;
  --text-muted: #666677;
  --border: #E0E8F4;
  --green-accent: #1D9E75;
  --font: 'Montserrat', sans-serif;
  --shadow-sm: 0 2px 8px rgba(3,48,109,0.08);
  --shadow-md: 0 4px 20px rgba(3,48,109,0.12);
  --shadow-lg: 0 8px 40px rgba(3,48,109,0.16);
  --radius: 8px;
  --transition: all 0.25s ease;
}

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

/* ── UTILITIES ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.mt-24 { margin-top: 24px; }

/* ── FADE IN ANIMATION ── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: var(--transition), box-shadow 0.3s ease, border-color 0.3s ease;
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.nav-logo { display: flex; align-items: center; }
.logo-img { height: 44px; width: auto; }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-link {
  font-size: 13px; font-weight: 600; color: var(--text-body);
  letter-spacing: 0.3px; transition: var(--transition);
  position: relative; padding-bottom: 2px;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--blue-dark);
  transform: scaleX(0); transition: transform 0.2s ease;
}
.nav-link:hover, .nav-link.active { color: var(--blue-dark); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 16px; }

/* Language toggle */
.lang-toggle { display: flex; align-items: center; gap: 6px; }
.lang-btn {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 1px; transition: var(--transition); padding: 2px 0;
}
.lang-btn.active, .lang-btn:hover { color: var(--blue-dark); }
.lang-divider { color: var(--border); font-size: 12px; }

/* Nav CTA button */
.btn-nav {
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--white); background: var(--blue-dark);
  padding: 10px 20px; border-radius: var(--radius);
  transition: var(--transition);
}
.btn-nav:hover { background: var(--blue-mid); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--blue-dark); transition: var(--transition); border-radius: 2px; }

/* ══════════════════════════════════════
   HERO
   ══════════════════════════════════════ */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center;
  padding-top: 80px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(3,48,109,0.92) 0%, rgba(3,48,109,0.75) 50%, rgba(3,48,109,0.4) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  max-width: 680px; margin-left: max(24px, calc((100vw - 1200px)/2 + 24px));
}
.hero-eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 3px;
  color: rgba(255,255,255,0.6); text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(28px, 4vw, 52px); font-weight: 800;
  color: var(--white); line-height: 1.1;
  letter-spacing: -0.5px; margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-subtitle {
  font-size: 16px; font-weight: 400; color: rgba(255,255,255,0.82);
  line-height: 1.7; margin-bottom: 36px; max-width: 540px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--blue-dark); background: var(--white);
  padding: 14px 28px; border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--white); border: 2px solid rgba(255,255,255,0.6);
  padding: 12px 28px; border-radius: var(--radius);
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.hero-scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll-indicator span {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ══════════════════════════════════════
   STATS STRIP
   ══════════════════════════════════════ */
.stats-strip {
  background: var(--blue-mid); padding: 28px 0;
}
.stats-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: center; gap: 0;
}
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 48px; text-align: center;
}
.stat-number {
  font-size: 32px; font-weight: 800; color: var(--white); line-height: 1;
}
.stat-label {
  font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.75);
  letter-spacing: 0.5px; margin-top: 4px; text-align: center;
}
.stat-divider {
  width: 1px; height: 40px; background: rgba(255,255,255,0.25); flex-shrink: 0;
}

/* ══════════════════════════════════════
   SECTION HEADERS
   ══════════════════════════════════════ */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 10px; font-weight: 700; letter-spacing: 3px;
  color: var(--blue-mid); text-transform: uppercase;
  margin-bottom: 12px;
}
.section-tag.light { color: rgba(255,255,255,0.6); }
.section-title {
  font-size: clamp(24px, 3vw, 36px); font-weight: 800;
  color: var(--blue-dark); line-height: 1.2;
  letter-spacing: -0.3px; margin-bottom: 14px;
}
.section-subtitle {
  font-size: 15px; color: var(--text-muted); max-width: 560px; margin: 0 auto;
}

/* ══════════════════════════════════════
   PRODUCT LINES
   ══════════════════════════════════════ */
.products-section { background: #F8FAFD; }
.product-lines-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.product-line-card {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--white); border: 1px solid var(--border);
  border-top: 3px solid var(--blue-dark);
  padding: 28px; border-radius: 0 0 var(--radius) var(--radius);
  transition: var(--transition); cursor: pointer;
}
.product-line-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--blue-mid);
}
.plc-number {
  font-size: 36px; font-weight: 800; color: var(--blue-light);
  line-height: 1; flex-shrink: 0; user-select: none;
}
.plc-content { flex: 1; }
.plc-title { font-size: 17px; font-weight: 700; color: var(--blue-dark); margin-bottom: 8px; }
.plc-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.plc-products { font-size: 11px; font-weight: 600; color: var(--blue-mid); letter-spacing: 0.3px; }
.plc-arrow {
  font-size: 20px; color: var(--blue-dark); flex-shrink: 0;
  transition: var(--transition); margin-top: 4px;
}
.product-line-card:hover .plc-arrow { transform: translateX(4px); }

/* ══════════════════════════════════════
   POLYKRAN SECTION
   ══════════════════════════════════════ */
.polykran-section {
  position: relative; padding: 80px 0;
  background: var(--blue-dark); overflow: hidden;
}
.polykran-bg {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px,
    transparent 1px, transparent 40px
  );
}
.polykran-container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.polykran-logo {
  font-size: clamp(36px, 5vw, 60px); font-weight: 800;
  color: var(--white); letter-spacing: 2px; line-height: 1;
  margin-bottom: 20px;
}
.polykran-logo sup { font-size: 0.5em; vertical-align: super; }
.polykran-desc {
  font-size: 14px; color: rgba(255,255,255,0.75);
  line-height: 1.8; margin-bottom: 28px;
}
.polykran-variants { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.variant-chip {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  padding: 6px 14px; border-radius: 4px; text-transform: uppercase;
}
.v1 { background: rgba(33,99,177,0.3); color: #85B7EB; border: 1px solid rgba(33,99,177,0.5); }
.v2 { background: rgba(29,158,117,0.2); color: #5DCAA5; border: 1px solid rgba(29,158,117,0.4); }
.v3 { background: rgba(93,202,165,0.15); color: #9FE1CB; border: 1px solid rgba(93,202,165,0.3); }

.polykran-section .btn-primary {
  display: inline-block;
  background: var(--white); color: var(--blue-dark);
}
.polykran-section .btn-primary:hover { background: var(--blue-light); }

.polykran-right {
  display: flex; flex-direction: column; justify-content: center;
  padding: 32px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius);
}
.pk-spec-title {
  font-size: 9px; font-weight: 700; letter-spacing: 2.5px;
  color: rgba(255,255,255,0.35); text-transform: uppercase;
  margin-bottom: 24px; padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.pk-spec-list { display: flex; flex-direction: column; gap: 18px; }
.pk-spec-item { display: flex; align-items: center; gap: 16px; }
.pk-spec-label {
  font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.45);
  letter-spacing: 0.3px; width: 180px; flex-shrink: 0;
}
.pk-spec-bar-wrap {
  flex: 1; height: 2px; background: rgba(255,255,255,0.08);
  border-radius: 2px; overflow: hidden;
}
.pk-spec-bar { height: 100%; border-radius: 2px; background: #5DCAA5; }
.pk-spec-value {
  font-size: 14px; font-weight: 800; color: var(--white);
  width: 110px; text-align: right; flex-shrink: 0;
  letter-spacing: -0.3px;
}

/* ══════════════════════════════════════
   WHY US
   ══════════════════════════════════════ */
.why-section { background: var(--white); }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.why-card {
  padding: 32px 24px; border: 1px solid var(--border);
  border-top: 3px solid transparent;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: var(--transition);
}
.why-card:hover {
  border-top-color: var(--blue-dark);
  box-shadow: var(--shadow-md); transform: translateY(-4px);
}
.why-icon { width: 48px; height: 48px; margin-bottom: 20px; }
.why-icon svg { width: 100%; height: 100%; }
.why-title { font-size: 15px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.why-text { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ══════════════════════════════════════
   MATERIALS STRIP
   ══════════════════════════════════════ */
.materials-strip {
  background: var(--blue-dark); padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.materials-strip .container {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.materials-label {
  font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.5);
  letter-spacing: 1.5px; text-transform: uppercase; flex-shrink: 0;
}
.materials-list { display: flex; gap: 10px; flex-wrap: wrap; }
.material-tag {
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
  color: rgba(255,255,255,0.75); background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 5px 12px; border-radius: 4px;
}
.polykran-tag {
  color: #5DCAA5; background: rgba(29,158,117,0.15);
  border-color: rgba(29,158,117,0.3);
}

/* ══════════════════════════════════════
   CTA SECTION
   ══════════════════════════════════════ */
.cta-section { background: var(--blue-mid); padding: 64px 0; }
.cta-container {
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cta-title {
  font-size: clamp(20px, 2.5vw, 28px); font-weight: 800;
  color: var(--white); margin-bottom: 8px;
}
.cta-subtitle { font-size: 14px; color: rgba(255,255,255,0.75); }
.btn-white {
  display: inline-block; flex-shrink: 0;
  font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--blue-dark); background: var(--white);
  padding: 16px 32px; border-radius: var(--radius);
  transition: var(--transition); white-space: nowrap;
}
.btn-white:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
.footer { background: var(--blue-dark); padding: 64px 0 0; }
.footer-container {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { height: 52px; width: auto; margin-bottom: 20px; }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.7; }
.footer-nav-title {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: rgba(255,255,255,0.6); text-transform: uppercase; margin-bottom: 16px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a {
  font-size: 13px; color: rgba(255,255,255,0.8); transition: var(--transition);
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--white); }
.footer-contact p { font-size: 13px; color: rgba(255,255,255,0.8); margin-bottom: 8px; }
.footer-bottom { padding: 20px 0; }
.footer-bottom-container {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-lang { display: flex; gap: 8px; align-items: center; }
.footer-lang span { color: rgba(255,255,255,0.2); font-size: 12px; }
.footer-lang-btn { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.4); letter-spacing: 1px; transition: var(--transition); }
.footer-lang-btn:hover { color: var(--white); }

/* ══════════════════════════════════════
   FLOATING ACTIONS
   ══════════════════════════════════════ */
.floating-actions {
  position: fixed; bottom: 28px; right: 28px;
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 12px; z-index: 900;
}
.fab {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); box-shadow: var(--shadow-lg);
  cursor: pointer;
}
.fab:hover { transform: scale(1.1); }
.fab-whatsapp { background: #25D366; color: var(--white); }
.fab-whatsapp svg { width: 24px; height: 24px; }
.fab-contact { background: var(--blue-dark); color: var(--white); }
.fab-contact svg { width: 22px; height: 22px; }

/* Contact Widget */
.contact-widget {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); width: 300px;
  border: 1px solid var(--border);
  display: none; flex-direction: column;
  transform-origin: bottom right;
  animation: widgetIn 0.2s ease;
}
.contact-widget.open { display: flex; }
@keyframes widgetIn {
  from { opacity: 0; transform: scale(0.9) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.widget-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px; background: var(--blue-dark);
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: 13px; font-weight: 700; color: var(--white);
}
.widget-close {
  font-size: 14px; color: rgba(255,255,255,0.6);
  transition: var(--transition); line-height: 1;
}
.widget-close:hover { color: var(--white); }
.widget-form { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.widget-input {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 6px;
  font-family: var(--font); font-size: 12px; color: var(--text-body);
  transition: var(--transition); resize: none;
  outline: none;
}
.widget-input:focus { border-color: var(--blue-mid); }
.widget-textarea { min-height: 80px; }
.widget-submit {
  width: 100%; padding: 11px;
  background: var(--blue-dark); color: var(--white);
  font-family: var(--font); font-size: 12px; font-weight: 700;
  border-radius: 6px; transition: var(--transition);
  letter-spacing: 0.5px;
}
.widget-submit:hover { background: var(--blue-mid); }

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; flex-direction: column; position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white); padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md); gap: 20px;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .btn-nav { display: none; }
  .hero-content { max-width: 100%; margin-left: 0; }
  .stats-container { flex-wrap: wrap; gap: 24px; }
  .stat-item { padding: 0 24px; }
  .stat-divider { display: none; }
  .product-lines-grid { grid-template-columns: 1fr; }
  .polykran-container { grid-template-columns: 1fr; gap: 40px; }
  .polykran-right { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .cta-container { flex-direction: column; text-align: center; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 32px; }
  .materials-strip .container { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-bottom-container { flex-direction: column; gap: 12px; text-align: center; }
  .contact-widget { width: 280px; }
  .polykran-right { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   PAGE HERO (páginas internas)
   ══════════════════════════════════════ */
.page-hero {
  position: relative; padding: 160px 0 80px;
  background: var(--blue-dark); overflow: hidden;
}
.page-hero-sm { padding: 140px 0 64px; }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(3,48,109,0.98) 0%, rgba(33,99,177,0.85) 100%);
}
.page-hero-content { position: relative; z-index: 1; max-width: 760px; }
.page-hero-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 3px;
  color: rgba(255,255,255,0.5); text-transform: uppercase; margin-bottom: 16px;
}
.page-hero-title {
  font-size: clamp(24px, 3.5vw, 44px); font-weight: 800;
  color: var(--white); line-height: 1.15; margin-bottom: 16px;
}
.page-hero-subtitle {
  font-size: 15px; color: rgba(255,255,255,0.75); line-height: 1.7;
}
.page-hero-nav {
  position: relative; z-index: 1;
  background: rgba(0,0,0,0.2); border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
}
.product-nav-tabs {
  display: flex; gap: 0; overflow-x: auto;
}
.pnt {
  font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.55);
  padding: 16px 24px; white-space: nowrap; transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.pnt:hover, .pnt.active { color: var(--white); border-bottom-color: var(--white); }

/* ══════════════════════════════════════
   PRODUCT SECTIONS
   ══════════════════════════════════════ */
.product-section { padding: 80px 0; background: var(--white); }
.product-section.alt { background: #F8FAFD; }
.ps-header {
  display: flex; gap: 32px; align-items: flex-start; margin-bottom: 48px;
  padding-bottom: 32px; border-bottom: 1px solid var(--border);
}
.ps-number {
  font-size: 72px; font-weight: 800; color: var(--blue-light);
  line-height: 1; flex-shrink: 0; user-select: none;
}
.ps-header-content { flex: 1; }
.ps-title { font-size: 28px; font-weight: 800; color: var(--blue-dark); margin-bottom: 12px; }
.ps-desc { font-size: 14px; color: var(--text-muted); line-height: 1.75; max-width: 720px; }

.products-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.products-grid-5 { grid-template-columns: repeat(5, 1fr); }

.product-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: var(--blue-mid);
}
.pc-img-wrap {
  background: #F0F4F8; aspect-ratio: 1; overflow: hidden;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.pc-img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pc-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.pc-name { font-size: 13px; font-weight: 700; color: var(--blue-dark); margin-bottom: 8px; }
.pc-desc { font-size: 12px; color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 12px; }
.pc-materials {
  display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto;
}
.pc-materials span {
  font-size: 10px; font-weight: 600; letter-spacing: 0.3px;
  color: var(--blue-mid); background: var(--blue-light);
  padding: 3px 8px; border-radius: 4px;
}
.pc-materials span.pk {
  color: #085041; background: #E1F5EE;
}

/* ══════════════════════════════════════
   POLYKRAN PAGE
   ══════════════════════════════════════ */
.pk-hero {
  background: var(--blue-dark); padding: 140px 0 80px; position: relative; overflow: hidden;
}
.pk-hero-bg {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px,
    transparent 1px, transparent 40px
  );
}
.pk-hero-content { position: relative; z-index: 1; }
.pk-hero-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 3px;
  color: rgba(255,255,255,0.4); text-transform: uppercase; margin-bottom: 16px;
}
.pk-hero-title {
  font-size: clamp(48px, 7vw, 88px); font-weight: 800;
  color: var(--white); letter-spacing: 3px; line-height: 1; margin-bottom: 20px;
}
.pk-hero-title sup { font-size: 0.4em; vertical-align: super; }
.pk-hero-subtitle {
  font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.75;
  max-width: 580px; margin-bottom: 48px;
}
.pk-hero-specs {
  display: flex; align-items: center; gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 32px;
  flex-wrap: wrap;
}
.pk-hero-spec { padding: 0 40px 0 0; }
.pk-hero-spec:first-child { padding-left: 0; }
.pk-hs-value { display: block; font-size: 24px; font-weight: 800; color: var(--white); }
.pk-hs-label { display: block; font-size: 10px; color: rgba(255,255,255,0.45); letter-spacing: 0.5px; margin-top: 4px; }
.pk-hero-spec-div { width: 1px; height: 36px; background: rgba(255,255,255,0.15); margin-right: 40px; flex-shrink: 0; }

/* Concepto técnico */
.pk-concept-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.pk-concept-left p { font-size: 14px; color: var(--text-body); line-height: 1.8; }
.pk-concept-table { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.pct-header {
  background: var(--blue-dark); color: var(--white);
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  padding: 14px 18px;
}
.pct-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.pct-row:last-child { border-bottom: none; }
.pct-row:nth-child(even) { background: #F8FAFD; }
.pct-row span { color: var(--text-muted); }
.pct-row strong { color: var(--blue-dark); font-weight: 700; }

/* Beneficios */
.pk-benefits-section { background: #F8FAFD; }
.pk-benefits-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.pk-benefit-card {
  background: var(--white); border: 1px solid var(--border);
  border-top: 3px solid var(--blue-dark);
  padding: 28px 24px; border-radius: 0 0 var(--radius) var(--radius);
  transition: var(--transition);
}
.pk-benefit-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.pkb-icon { width: 44px; height: 44px; margin-bottom: 16px; }
.pkb-icon svg { width: 100%; height: 100%; }
.pkb-title { font-size: 14px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.pkb-text { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* Variantes */
.pk-variants-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.pk-variant-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; position: relative; transition: var(--transition);
}
.pk-variant-card:hover { box-shadow: var(--shadow-lg); }
.pk-variant-card.featured {
  border-color: var(--blue-dark); border-width: 2px;
}
.pkv-badge {
  position: absolute; top: -1px; right: 24px;
  background: var(--blue-dark); color: var(--white);
  font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  padding: 4px 12px; border-radius: 0 0 6px 6px;
}
.pkv-level {
  font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px;
}
.pkv-name {
  font-size: 28px; font-weight: 800; color: var(--blue-dark);
  letter-spacing: 1px; margin-bottom: 16px;
}
.pkv-aramida { margin-bottom: 20px; }
.pkv-aramida-label { font-size: 10px; color: var(--text-muted); display: block; margin-bottom: 8px; }
.pkv-dots { display: flex; gap: 6px; }
.pkv-dots .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--blue-light); border: 1.5px solid var(--border);
}
.pkv-dots .dot.filled { background: var(--blue-dark); border-color: var(--blue-dark); }
.pkv-desc { font-size: 13px; color: var(--text-body); line-height: 1.7; margin-bottom: 20px; }
.pkv-apps { background: #F8FAFD; border-radius: 6px; padding: 14px 16px; }
.pkv-apps-label {
  font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--blue-mid); margin-bottom: 6px;
}
.pkv-apps p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* Comparativo */
.pk-compare-section { background: #F8FAFD; }
.pk-compare-table { overflow-x: auto; }
.pk-compare-table table {
  width: 100%; border-collapse: collapse; font-size: 13px;
  background: var(--white); border-radius: var(--radius); overflow: hidden;
}
.pk-compare-table thead tr { background: var(--blue-dark); }
.pk-compare-table thead th {
  color: var(--white); font-weight: 700; padding: 14px 18px;
  text-align: left; font-size: 12px; letter-spacing: 0.3px;
}
.pk-compare-table tbody tr:nth-child(even) { background: #F8FAFD; }
.pk-compare-table tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border); color: var(--text-body); }
.pk-compare-table tbody td:first-child { font-weight: 600; color: var(--blue-dark); }
.ct-std { color: var(--text-muted) !important; }
.ct-ok { color: var(--blue-mid) !important; font-weight: 600 !important; }
.ct-good { color: var(--blue-dark) !important; font-weight: 700 !important; }
.ct-best { color: #085041 !important; font-weight: 700 !important; }

/* ══════════════════════════════════════
   NOSOTROS PAGE
   ══════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-left p { font-size: 14px; color: var(--text-body); line-height: 1.8; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-stat {
  background: var(--blue-dark); border-radius: var(--radius); padding: 28px 24px;
}
.as-number { font-size: 40px; font-weight: 800; color: var(--white); line-height: 1; }
.as-label { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 6px; line-height: 1.4; }

.about-capabilities-section { background: #F8FAFD; }
.cap-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.cap-card {
  background: var(--white); border: 1px solid var(--border);
  padding: 28px 24px; border-radius: var(--radius); transition: var(--transition);
}
.cap-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cap-num {
  font-size: 36px; font-weight: 800; color: var(--blue-light);
  line-height: 1; margin-bottom: 14px;
}
.cap-title { font-size: 15px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.cap-text { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* Proceso */
.about-process-section { background: var(--white); }
.process-steps {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0;
  background: #F8FAFD; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
}
.process-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; flex: 1; min-width: 100px;
}
.ps-num {
  font-size: 11px; font-weight: 800; color: var(--white);
  background: var(--blue-dark); width: 32px; height: 32px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px; flex-shrink: 0;
}
.ps-title { font-size: 12px; font-weight: 700; color: var(--blue-dark); margin-bottom: 4px; }
.ps-text { font-size: 10px; color: var(--text-muted); line-height: 1.4; }
.process-arrow { font-size: 16px; color: var(--border); flex-shrink: 0; padding: 0 4px; margin-bottom: 20px; }

/* ══════════════════════════════════════
   CONTACTO PAGE
   ══════════════════════════════════════ */
.contact-section { background: var(--white); }
.contact-container { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: start; }

.contact-form-title { font-size: 24px; font-weight: 800; color: var(--blue-dark); margin-bottom: 8px; }
.contact-form-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 32px; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cf-group { display: flex; flex-direction: column; gap: 6px; }
.cf-label { font-size: 12px; font-weight: 600; color: var(--blue-dark); letter-spacing: 0.3px; }
.cf-input {
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); font-family: var(--font); font-size: 13px;
  color: var(--text-body); outline: none; transition: var(--transition);
  background: var(--white);
}
.cf-input:focus { border-color: var(--blue-mid); box-shadow: 0 0 0 3px rgba(33,99,177,0.08); }
.cf-select { cursor: pointer; }
.cf-textarea { min-height: 140px; resize: vertical; }
.cf-submit {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; background: var(--blue-dark); color: var(--white);
  border-radius: var(--radius); font-family: var(--font);
  font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  transition: var(--transition); cursor: pointer; border: none;
}
.cf-submit:hover { background: var(--blue-mid); transform: translateY(-1px); }
.cf-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.cf-submit svg { width: 16px; height: 16px; }
.cf-success, .cf-error {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; border-radius: var(--radius);
  font-size: 13px; font-weight: 600;
}
.cf-success { background: #E1F5EE; color: #085041; }
.cf-success svg { width: 18px; height: 18px; stroke: #085041; flex-shrink: 0; }
.cf-error { background: #FAECE7; color: #712B13; }

/* Contact Info */
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.ci-block {
  background: #F8FAFD; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.ci-title { font-size: 16px; font-weight: 700; color: var(--blue-dark); margin-bottom: 20px; }
.ci-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.ci-item:last-child { margin-bottom: 0; }
.ci-icon { width: 36px; height: 36px; flex-shrink: 0; background: var(--blue-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.ci-icon svg { width: 16px; height: 16px; stroke: var(--blue-dark); }
.ci-label { font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.ci-value { font-size: 14px; font-weight: 600; color: var(--blue-dark); transition: var(--transition); }
.ci-value:hover { color: var(--blue-mid); }

.ci-response h4, .ci-products h4 { font-size: 13px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.ci-response p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.ci-response-title { font-size: 13px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.ci-whatsapp-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #25D366; color: var(--white);
  padding: 10px 18px; border-radius: var(--radius);
  font-size: 12px; font-weight: 700; transition: var(--transition);
}
.ci-whatsapp-btn:hover { background: #1eaa52; transform: translateY(-1px); }
.ci-whatsapp-btn svg { width: 16px; height: 16px; }
.ci-product-links { display: flex; flex-direction: column; gap: 8px; }
.ci-product-links a {
  font-size: 13px; color: var(--blue-mid); font-weight: 600;
  transition: var(--transition); padding: 2px 0;
  border-bottom: 1px solid transparent;
}
.ci-product-links a:hover { color: var(--blue-dark); border-bottom-color: var(--blue-dark); }

/* ══════════════════════════════════════
   RESPONSIVE ADICIONAL
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3,1fr); }
  .products-grid-5 { grid-template-columns: repeat(3,1fr); }
  .pk-benefits-grid { grid-template-columns: repeat(2,1fr); }
  .pk-variants-grid { grid-template-columns: 1fr; }
  .pk-concept-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .cap-grid { grid-template-columns: repeat(2,1fr); }
  .contact-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .products-grid-5 { grid-template-columns: repeat(2,1fr); }
  .ps-header { flex-direction: column; gap: 16px; }
  .ps-number { font-size: 48px; }
  .pk-variants-grid { grid-template-columns: 1fr; }
  .pk-benefits-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; align-items: flex-start; gap: 16px; }
  .process-arrow { display: none; }
  .process-step { flex-direction: row; text-align: left; gap: 14px; }
  .cf-row { grid-template-columns: 1fr; }
  .pk-hero-specs { gap: 20px; }
  .pk-hero-spec { padding: 0; }
  .pk-hero-spec-div { display: none; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .products-grid-5 { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
}