/* LC-CNC Website Stylesheet
   Design system inspiration: IBM Carbon
   Locale: en
*/

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* Carbon-like core tokens */
  --cds-interactive: #0f62fe;
  --cds-interactive-hover: #0353e9;
  --cds-interactive-active: #002d9c;
  --cds-focus: #0f62fe;

  --cds-background: #ffffff;
  --cds-background-subtle: #f4f4f4;
  --cds-background-inverse: #161616;
  --cds-layer-01: #f4f4f4;
  --cds-layer-02: #ffffff;
  --cds-layer-03: #e0e0e0;

  --cds-border-subtle: #e0e0e0;
  --cds-border-strong: #8d8d8d;

  --cds-text-primary: #161616;
  --cds-text-secondary: #525252;
  --cds-text-helper: #6f6f6f;
  --cds-text-on-color: #ffffff;
  --cds-link-primary: #0f62fe;
  --cds-link-inverse: #78a9ff;

  --cds-support-success: #198038;
  --cds-support-warning: #f1c21b;
  --cds-support-error: #da1e28;

  --site-accent: #0f62fe;
  --site-accent-dark: #0043ce;
  --site-whatsapp: #25d366;

  --shadow-01: 0 1px 2px rgba(22, 22, 22, 0.08);
  --shadow-02: 0 4px 12px rgba(22, 22, 22, 0.12);
  --shadow-03: 0 8px 24px rgba(22, 22, 22, 0.18);

  /* 8px spacing system */
  --space-01: 0.125rem; /* 2px */
  --space-02: 0.25rem;  /* 4px */
  --space-03: 0.5rem;   /* 8px */
  --space-04: 0.75rem;  /* 12px */
  --space-05: 1rem;     /* 16px */
  --space-06: 1.5rem;   /* 24px */
  --space-07: 2rem;     /* 32px */
  --space-08: 2.5rem;   /* 40px */
  --space-09: 3rem;     /* 48px */
  --space-10: 4rem;     /* 64px */
  --space-11: 5rem;     /* 80px */
  --space-12: 6rem;     /* 96px */

  --radius-01: 0.125rem;
  --radius-02: 0.25rem;
  --radius-03: 0.5rem;
  --radius-pill: 999px;

  --max-content: 75rem; /* 1200px */
  --header-height: 4.5rem;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: clamp(1.5rem, 1.25rem + 1.2vw, 2rem);
  --text-3xl: clamp(2rem, 1.6rem + 2vw, 3rem);

  --line-tight: 1.2;
  --line-base: 1.5;
  --line-loose: 1.7;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--line-base);
  color: var(--cds-text-primary);
  background: var(--cds-background);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cds-link-primary);
  text-decoration: none;
  transition: color 160ms ease;
}

a:hover {
  color: var(--cds-interactive-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cds-focus);
  outline-offset: 2px;
}

p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding-left: var(--space-06);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  line-height: var(--line-tight);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 300;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
}

h3 {
  font-size: 1.375rem;
  font-weight: 500;
}

small,
.text-meta {
  font-size: var(--text-sm);
  color: var(--cds-text-helper);
  letter-spacing: 0.01em;
}

.container {
  width: min(100% - 2rem, var(--max-content));
  margin-inline: auto;
}

.page-section {
  padding-block: var(--space-10);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-03);
  margin-bottom: var(--space-07);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-02);
  color: var(--site-accent-dark);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lead {
  color: var(--cds-text-secondary);
  font-size: var(--text-lg);
  line-height: var(--line-loose);
}

/* Header + Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cds-border-subtle);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-05);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-03);
  color: var(--cds-text-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-01);
  background: linear-gradient(135deg, var(--site-accent-dark), var(--site-accent));
  display: inline-grid;
  place-items: center;
  color: var(--cds-text-on-color);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-02);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding-inline: var(--space-05);
  border-radius: var(--radius-01);
  color: var(--cds-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--cds-text-primary);
  background: var(--cds-layer-01);
}

.nav-link.is-active {
  box-shadow: inset 0 -2px 0 var(--site-accent);
}

.mobile-nav-toggle {
  display: none;
}

/* Buttons */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-03);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 var(--space-06);
  border-radius: var(--radius-01);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 120ms ease;
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--cds-interactive);
  color: var(--cds-text-on-color);
}

.btn-primary:hover {
  background: var(--cds-interactive-hover);
  color: var(--cds-text-on-color);
}

.btn-primary:active {
  background: var(--cds-interactive-active);
}

.btn-secondary {
  background: transparent;
  color: var(--site-accent-dark);
  border-color: var(--site-accent-dark);
}

.btn-secondary:hover {
  background: #edf4ff;
}

.btn-ghost {
  background: transparent;
  color: var(--cds-text-secondary);
  border-color: var(--cds-border-subtle);
}

.btn-whatsapp {
  background: var(--site-whatsapp);
  color: #052e13;
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  color: #052e13;
}

/* Hero */
.hero {
  background:
    radial-gradient(circle at top right, rgba(15, 98, 254, 0.09), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border-bottom: 1px solid var(--cds-border-subtle);
}

.hero-inner {
  display: grid;
  gap: var(--space-08);
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  padding-block: var(--space-11);
}

.hero-copy {
  display: grid;
  gap: var(--space-05);
  max-width: 42rem;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--cds-text-secondary);
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-03);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-02);
  min-height: 2rem;
  padding-inline: var(--space-04);
  border-radius: var(--radius-pill);
  background: var(--cds-layer-01);
  border: 1px solid var(--cds-border-subtle);
  color: var(--cds-text-secondary);
  font-size: var(--text-sm);
}

.hero-panel {
  background: var(--cds-layer-02);
  border: 1px solid var(--cds-border-subtle);
  border-radius: var(--radius-03);
  box-shadow: var(--shadow-01);
  padding: var(--space-07);
}

/* Generic card/grid system */
.grid {
  display: grid;
  gap: var(--space-06);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--cds-layer-02);
  border: 1px solid var(--cds-border-subtle);
  border-radius: var(--radius-03);
  padding: var(--space-06);
  box-shadow: var(--shadow-01);
  display: grid;
  gap: var(--space-04);
}

.card:hover {
  border-color: #c6d6fb;
  box-shadow: var(--shadow-02);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 500;
}

.card-text {
  color: var(--cds-text-secondary);
}

.card-cta {
  margin-top: var(--space-02);
  font-weight: 600;
  color: var(--site-accent-dark);
}

/* Product grid specific */
.product-grid {
  display: grid;
  gap: var(--space-06);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 98, 254, 0.06));
  pointer-events: none;
}

.product-media {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-02);
  background: linear-gradient(120deg, #e8f0ff, #f6faff);
  border: 1px solid #dbe7ff;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-03);
  color: var(--cds-text-helper);
  font-size: var(--text-sm);
}

/* Feature strip */
.feature-strip {
  background: var(--cds-background-inverse);
  color: var(--cds-text-on-color);
  border-block: 1px solid #393939;
}

.feature-strip .container {
  padding-block: var(--space-06);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-04);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-item {
  padding: var(--space-04);
  border-left: 2px solid var(--site-accent);
  background: rgba(255, 255, 255, 0.02);
}

.feature-item strong {
  display: block;
  font-size: var(--text-lg);
  margin-bottom: var(--space-02);
}

.feature-item span {
  color: #c6c6c6;
  font-size: var(--text-sm);
}

/* Case slider scaffold */
.case-slider {
  position: relative;
}

.case-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(16rem, 22rem);
  gap: var(--space-05);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-03);
}

.case-track::-webkit-scrollbar {
  height: 10px;
}

.case-track::-webkit-scrollbar-thumb {
  background: #c6c6c6;
  border-radius: var(--radius-pill);
}

.case-card {
  scroll-snap-align: start;
}

.case-media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-02);
  background: linear-gradient(145deg, #d9e8ff, #f1f6ff);
  border: 1px solid #d0def7;
}

/* About + certifications */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-05);
}

.stat {
  padding: var(--space-05);
  border: 1px solid var(--cds-border-subtle);
  border-radius: var(--radius-02);
  background: var(--cds-layer-01);
}

.stat-value {
  font-size: clamp(1.5rem, 1rem + 2vw, 2.25rem);
  font-weight: 600;
  color: var(--site-accent-dark);
  line-height: 1.1;
}

.stat-label {
  color: var(--cds-text-secondary);
  margin-top: var(--space-02);
}

.cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-03);
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-02);
  min-height: 2.25rem;
  padding-inline: var(--space-04);
  border-radius: var(--radius-pill);
  border: 1px solid #b8d3ff;
  background: #edf4ff;
  color: #003aaf;
  font-weight: 600;
  font-size: var(--text-sm);
}

/* Contact section + form */
.contact-capture {
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  border-top: 1px solid var(--cds-border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-07);
  align-items: start;
}

.contact-panel {
  padding: var(--space-07);
  background: var(--cds-layer-02);
  border: 1px solid var(--cds-border-subtle);
  border-radius: var(--radius-03);
  box-shadow: var(--shadow-01);
  display: grid;
  gap: var(--space-05);
}

.quick-form {
  display: grid;
  gap: var(--space-04);
}

.form-row {
  display: grid;
  gap: var(--space-02);
}

.form-row.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-04);
}

label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--cds-text-secondary);
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0 var(--space-04);
  border: 1px solid var(--cds-border-strong);
  border-radius: var(--radius-01);
  font: inherit;
  color: var(--cds-text-primary);
  background: #fff;
}

textarea {
  min-height: 7.5rem;
  padding-block: var(--space-03);
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #8d8d8d;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-03);
  color: var(--cds-text-secondary);
  font-size: var(--text-sm);
}

.consent-row input[type='checkbox'] {
  width: 1rem;
  min-height: 1rem;
  margin-top: 0.2rem;
  padding: 0;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  right: var(--space-05);
  bottom: var(--space-05);
  z-index: 1100;
}

.whatsapp-float a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding-inline: var(--space-05);
  border-radius: var(--radius-pill);
  background: var(--site-whatsapp);
  color: #052e13;
  font-weight: 700;
  box-shadow: var(--shadow-03);
}

.whatsapp-float a:hover {
  background: #20c760;
}

/* Footer */
.site-footer {
  background: var(--cds-background-inverse);
  color: #f4f4f4;
  margin-top: var(--space-10);
}

.footer-top {
  padding-block: var(--space-08);
  display: grid;
  gap: var(--space-06);
  grid-template-columns: 1.2fr 1fr;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-03) var(--space-05);
}

.footer-links a {
  color: #c6c6c6;
  font-size: var(--text-sm);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-contact {
  display: grid;
  gap: var(--space-02);
  justify-items: start;
}

.footer-bottom {
  border-top: 1px solid #393939;
  padding-block: var(--space-05);
  color: #a8a8a8;
  font-size: var(--text-sm);
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--cds-text-helper); }
.bg-subtle { background: var(--cds-layer-01); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-04); }
.mt-6 { margin-top: var(--space-06); }
.mt-8 { margin-top: var(--space-08); }

/* Route/page-level hooks */
.page-hero-compact .hero-inner {
  padding-block: var(--space-09);
  grid-template-columns: 1fr;
}

.page-title-block {
  padding-block: var(--space-09) var(--space-07);
  border-bottom: 1px solid var(--cds-border-subtle);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.breadcrumbs {
  margin-bottom: var(--space-03);
  font-size: var(--text-sm);
  color: var(--cds-text-helper);
}

.breadcrumbs a {
  color: var(--cds-text-helper);
}

.breadcrumbs a:hover {
  color: var(--site-accent-dark);
}

/* Responsive behavior */
@media (max-width: 64rem) {
  :root {
    --header-height: 4rem;
  }

  .hero-inner,
  .contact-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-list,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  .container {
    width: min(100% - 1.5rem, var(--max-content));
  }

  .site-header {
    position: sticky;
  }

  .header-inner {
    min-height: auto;
    padding-block: var(--space-03);
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--space-02);
    scrollbar-width: thin;
  }

  .nav-link {
    min-height: 2.25rem;
    padding-inline: var(--space-04);
  }

  .page-section {
    padding-block: var(--space-08);
  }

  .hero-inner {
    padding-block: var(--space-09);
    gap: var(--space-06);
  }

  .product-grid,
  .feature-list,
  .stats-grid,
  .grid-3,
  .grid-4,
  .form-row.cols-2 {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: var(--space-05);
  }

  .button-row {
    width: 100%;
  }

  .button-row .btn {
    flex: 1 1 100%;
    min-width: 0;
  }

  .whatsapp-float {
    right: var(--space-04);
    bottom: var(--space-04);
  }

  .whatsapp-float a {
    min-height: 3rem;
    padding-inline: var(--space-04);
    font-size: var(--text-sm);
  }
}

@media (max-width: 20rem) {
  html,
  body {
    min-width: 20rem;
  }

  .logo {
    font-size: var(--text-sm);
  }

  .hero-sub {
    font-size: var(--text-md);
  }
}