/* ==========================================================================
   Texas Controls Argentina - Official Corporate Stylesheet
   Color Palette: Official Texas Controls Blue (#1E3C91), Star Yellow (#F5BC05) & White (#FFFFFF)
   Clean, Established Industrial Design (Non-tech / Traditional Engineering)
   ========================================================================== */

:root {
  /* Brand Colors from Official Logo */
  --tc-blue: #1E3C91;             /* Official Texas Controls Blue */
  --tc-blue-dark: #152C6E;        /* Deep Corporate Blue */
  --tc-blue-light: #2A4DB5;       /* Lighter Royal Blue */
  --tc-blue-pale: #EEF3FD;        /* Soft Tint for Backgrounds */

  --tc-yellow: #F5BC05;           /* Official Star Yellow / Amber */
  --tc-yellow-hover: #E2AC02;     /* Darker Golden Yellow */
  --tc-yellow-pale: #FEF9E6;      /* Soft Yellow Tint */

  /* Neutrals & Surfaces */
  --tc-white: #FFFFFF;
  --tc-gray-50: #F8F9FA;
  --tc-gray-100: #F1F4F8;
  --tc-gray-200: #E2E7EE;
  --tc-gray-300: #CED6E0;
  --tc-gray-600: #556270;
  --tc-gray-700: #38424D;
  --tc-gray-800: #212932;
  --tc-gray-900: #141A21;

  /* Typography */
  --font-main: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-heading: 'Roboto', 'Open Sans', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  /* Fluid Sizing */
  --text-hero: clamp(1.85rem, 1.25rem + 2.2vw, 2.75rem);
  --text-h2: clamp(1.5rem, 1.15rem + 1.4vw, 2.1rem);
  --text-h3: clamp(1.15rem, 1rem + 0.6vw, 1.35rem);

  /* Shadows & Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 10px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 8px 20px rgba(30, 60, 145, 0.12);
}

/* ==========================================================================
   Reset & Global Typography
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--tc-gray-700);
  background-color: var(--tc-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--tc-blue-dark);
  font-weight: 700;
  line-height: 1.28;
}

p {
  color: var(--tc-gray-600);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

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

.site-container {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: 20px;
}

.section-industrial {
  padding-block: clamp(48px, 35px + 2.5vw, 80px);
}

.bg-light {
  background-color: var(--tc-gray-100);
  border-block: 1px solid var(--tc-gray-200);
}

/* Section Header Titles */
.section-title-center {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: clamp(32px, 20px + 2vw, 48px);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tc-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title-center h2 {
  font-size: var(--text-h2);
  color: var(--tc-blue-dark);
  margin-bottom: 10px;
}

.section-title-center p {
  font-size: 1.02rem;
  color: var(--tc-gray-600);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font-heading);
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  line-height: 1.2;
}

.btn-yellow {
  background-color: var(--tc-yellow);
  color: var(--tc-gray-900);
  border-color: var(--tc-yellow);
}

.btn-yellow:hover {
  background-color: var(--tc-yellow-hover);
  border-color: var(--tc-yellow-hover);
}

.btn-blue {
  background-color: var(--tc-blue);
  color: var(--tc-white);
  border-color: var(--tc-blue);
}

.btn-blue:hover {
  background-color: var(--tc-blue-dark);
  border-color: var(--tc-blue-dark);
}

.btn-blue-outline {
  background-color: transparent;
  color: var(--tc-blue);
  border-color: var(--tc-blue);
}

.btn-blue-outline:hover {
  background-color: var(--tc-blue);
  color: var(--tc-white);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-contact-bar {
  background-color: var(--tc-blue-dark);
  color: #D2DCF2;
  font-size: 0.8rem;
  padding-block: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.top-bar-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.location-tag, .norm-tag, .phone-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.phone-item strong {
  color: var(--tc-yellow);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.btn-top-urgent {
  background-color: var(--tc-yellow);
  color: var(--tc-gray-900);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.btn-top-urgent:hover {
  background-color: var(--tc-yellow-hover);
}

/* Main Navbar */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--tc-white);
  border-bottom: 2px solid var(--tc-gray-200);
  box-shadow: var(--shadow-subtle);
}

.header-nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.country-pill {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--tc-blue);
  background-color: var(--tc-blue-pale);
  border: 1px solid rgba(30, 60, 145, 0.2);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-menu a {
  color: var(--tc-gray-800);
  font-weight: 600;
  font-size: 0.88rem;
  padding-block: 6px;
}

.nav-menu a:hover {
  color: var(--tc-blue);
}

.btn-nav-contact {
  background-color: var(--tc-blue) !important;
  color: var(--tc-white) !important;
  padding: 9px 18px !important;
  border-radius: var(--radius-sm);
  font-size: 0.85rem !important;
  font-weight: 700 !important;
}

.btn-nav-contact:hover {
  background-color: var(--tc-blue-dark) !important;
}

.nav-toggle-btn {
  display: none;
  background: none;
  border: 1px solid var(--tc-gray-300);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-btn span {
  width: 22px;
  height: 2px;
  background-color: var(--tc-blue-dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-industrial {
  background-color: var(--tc-white);
  padding-block: clamp(48px, 35px + 2.5vw, 76px);
  border-bottom: 1px solid var(--tc-gray-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.company-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--tc-yellow-pale);
  border: 1px solid rgba(245, 188, 5, 0.4);
  color: #8A6400;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background-color: var(--tc-yellow);
  border-radius: 50%;
}

.hero-main-title {
  font-size: var(--text-hero);
  color: var(--tc-blue-dark);
  line-height: 1.2;
  margin-bottom: 18px;
  font-weight: 800;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--tc-gray-600);
  line-height: 1.65;
  margin-bottom: 28px;
}

.hero-description strong {
  color: var(--tc-gray-900);
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-facts-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  border-top: 1px solid var(--tc-gray-200);
  padding-top: 24px;
}

.fact-box {
  border-left: 3px solid var(--tc-yellow);
  padding-left: 10px;
}

.fact-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--tc-blue-dark);
  line-height: 1.1;
}

.fact-text {
  font-size: 0.75rem;
  color: var(--tc-gray-600);
  font-weight: 600;
}

/* Card Column */
.location-feature-card {
  background-color: var(--tc-white);
  border: 2px solid var(--tc-blue);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.card-header-yellow {
  background-color: var(--tc-blue);
  color: var(--tc-white);
  padding: 20px 24px;
  border-bottom: 4px solid var(--tc-yellow);
}

.card-header-yellow h3 {
  font-size: 1.28rem;
  color: var(--tc-white);
  margin-bottom: 4px;
}

.card-header-yellow p {
  font-size: 0.84rem;
  color: #D2DCF2;
}

.card-body-content {
  padding: 24px;
}

.base-services-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.base-services-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--tc-gray-700);
  line-height: 1.5;
}

.base-services-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--tc-yellow);
  font-weight: bold;
}

.base-services-list strong {
  color: var(--tc-blue-dark);
}

.card-footer-box {
  background-color: var(--tc-blue-pale);
  border: 1px solid rgba(30, 60, 145, 0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.phone-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--tc-blue);
}

.phone-number {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--tc-blue-dark);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-box {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-200);
  border-top: 4px solid var(--tc-blue);
  border-radius: var(--radius-sm);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  transition: all 0.2s ease;
}

.service-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--tc-yellow);
}

.service-icon-wrap {
  width: 44px;
  height: 44px;
  background-color: var(--tc-blue-pale);
  color: var(--tc-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-box h3 {
  font-size: 1.15rem;
  color: var(--tc-blue-dark);
  margin-bottom: 10px;
}

.service-box p {
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.service-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--tc-blue);
  background-color: var(--tc-blue-pale);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: flex-start;
}

/* ==========================================================================
   Sectors Section
   ========================================================================== */
.sectors-four-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.sector-card {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.sector-card-header {
  background-color: var(--tc-blue-dark);
  color: var(--tc-white);
  padding: 20px 24px;
  border-left: 5px solid var(--tc-yellow);
}

.sector-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--tc-yellow);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.sector-card-header h3 {
  font-size: 1.25rem;
  color: var(--tc-white);
}

.sector-card-body {
  padding: 24px;
}

.sector-card-body p {
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.sector-card-body ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sector-card-body li {
  position: relative;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--tc-gray-700);
  font-weight: 500;
}

.sector-card-body li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--tc-blue);
  font-size: 1.2rem;
  line-height: 1;
}

/* ==========================================================================
   Engineering Bolting Calculator
   ========================================================================== */
.calculator-container {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-300);
  border-radius: var(--radius-md);
  padding: clamp(24px, 16px + 2vw, 40px);
  box-shadow: var(--shadow-card);
}

.calc-top-header {
  margin-bottom: 28px;
}

.calc-badge-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--tc-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.calc-top-header h2 {
  font-size: var(--text-h2);
  color: var(--tc-blue-dark);
  margin-bottom: 8px;
}

.calc-form-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  align-items: start;
}

.calc-inputs-column {
  background-color: var(--tc-gray-50);
  border: 1px solid var(--tc-gray-200);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.calc-group {
  margin-bottom: 16px;
}

.calc-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--tc-gray-800);
  margin-bottom: 5px;
}

.calc-select {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.88rem;
  color: var(--tc-gray-800);
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-300);
  border-radius: var(--radius-sm);
}

.calc-select:focus {
  outline: none;
  border-color: var(--tc-blue);
  box-shadow: 0 0 0 2px rgba(30, 60, 145, 0.15);
}

.calc-row-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Results Column */
.calc-results-column {
  background-color: var(--tc-blue-dark);
  color: var(--tc-white);
  border-radius: var(--radius-sm);
  padding: 26px;
  box-shadow: var(--shadow-card);
}

.results-header-box {
  margin-bottom: 18px;
}

.res-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--tc-yellow);
  letter-spacing: 0.08em;
}

.results-header-box h3 {
  font-size: 1.25rem;
  color: var(--tc-white);
  margin-top: 2px;
}

.results-numbers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.result-number-card {
  background-color: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--tc-yellow);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.card-label {
  display: block;
  font-size: 0.72rem;
  color: #D2DCF2;
  margin-bottom: 4px;
}

.card-main-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--tc-white);
  line-height: 1.1;
}

.card-sub-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--tc-yellow);
  margin-top: 2px;
}

.tool-suggested-card {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 20px;
}

.tool-badge-blue {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--tc-yellow);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.tool-suggested-card h4 {
  font-size: 1.05rem;
  color: var(--tc-white);
  margin-bottom: 6px;
}

.tool-suggested-card p {
  font-size: 0.82rem;
  color: #E2E7EE;
  line-height: 1.5;
  margin-bottom: 10px;
}

.tool-stock-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: #8CE99A;
}

.green-indicator {
  width: 6px;
  height: 6px;
  background-color: #8CE99A;
  border-radius: 50%;
}

.calc-action-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-note {
  font-size: 0.68rem;
  color: #A9BBDC;
  line-height: 1.4;
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-item {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-200);
  border-left: 4px solid var(--tc-blue);
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
}

.proj-country {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--tc-blue);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.project-item h3 {
  font-size: 1.18rem;
  color: var(--tc-blue-dark);
  margin-bottom: 4px;
}

.proj-sub {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tc-gray-600);
  display: block;
  margin-bottom: 12px;
}

.project-item p {
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ==========================================================================
   Training / The Academy Section
   ========================================================================== */
.training-flex {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.training-info-col h2 {
  font-size: var(--text-h2);
  color: var(--tc-blue-dark);
  margin-bottom: 12px;
}

.training-info-col p {
  font-size: 0.98rem;
  margin-bottom: 20px;
}

.training-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}

.t-feat {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-200);
  border-left: 3px solid var(--tc-yellow);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  line-height: 1.5;
}

.t-feat strong {
  color: var(--tc-blue-dark);
  display: block;
  margin-bottom: 2px;
}

.training-box-white {
  background-color: var(--tc-white);
  border: 2px solid var(--tc-blue);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.t-box-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--tc-gray-200);
}

.star-icon {
  font-size: 1.6rem;
  color: var(--tc-yellow);
  line-height: 1;
}

.t-box-header h3 {
  font-size: 1.25rem;
  color: var(--tc-blue-dark);
}

.t-checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.t-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 0.86rem;
  color: var(--tc-gray-700);
  font-weight: 600;
}

.t-checklist li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--tc-blue);
}

.t-badge-bottom {
  background-color: var(--tc-blue-pale);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tc-blue-dark);
  text-align: center;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.contact-info-panel h2 {
  font-size: var(--text-h2);
  color: var(--tc-blue-dark);
  margin-bottom: 10px;
}

.contact-info-panel p {
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.direct-cards-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item-card {
  display: flex;
  gap: 14px;
  background-color: var(--tc-gray-50);
  border: 1px solid var(--tc-gray-200);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.c-icon-blue {
  color: var(--tc-blue);
  flex-shrink: 0;
}

.contact-item-card strong {
  display: block;
  font-size: 0.84rem;
  color: var(--tc-blue-dark);
  margin-bottom: 2px;
}

.contact-item-card p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

.c-phone-link {
  color: var(--tc-blue);
  font-weight: 700;
  font-family: var(--font-mono);
}

.c-email-link {
  color: var(--tc-blue);
  font-weight: 600;
}

/* Form */
.form-card {
  background-color: var(--tc-white);
  border: 1px solid var(--tc-gray-300);
  border-top: 4px solid var(--tc-yellow);
  border-radius: var(--radius-md);
  padding: clamp(20px, 16px + 1.5vw, 32px);
  box-shadow: var(--shadow-card);
}

.form-card h3 {
  font-size: 1.28rem;
  color: var(--tc-blue-dark);
  margin-bottom: 4px;
}

.form-card p {
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-field {
  margin-bottom: 14px;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--tc-gray-800);
  margin-bottom: 4px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  font-family: var(--font-main);
  font-size: 0.88rem;
  border: 1px solid var(--tc-gray-300);
  border-radius: var(--radius-sm);
  color: var(--tc-gray-900);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--tc-blue);
  box-shadow: 0 0 0 2px rgba(30, 60, 145, 0.15);
}

.form-response-msg {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}

.form-response-msg.success {
  background-color: #EBFBEE;
  border: 1px solid #C3FAD5;
  color: #19712C;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--tc-blue-dark);
  color: #D2DCF2;
  padding-top: 56px;
  padding-bottom: 24px;
  border-top: 4px solid var(--tc-yellow);
}

.footer-cols-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr 1.1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  margin-bottom: 14px;
  background-color: var(--tc-white);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.f-brand-text {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #B9C8E8;
}

.f-col h4 {
  font-size: 0.95rem;
  color: var(--tc-white);
  margin-bottom: 14px;
  font-weight: 700;
  border-bottom: 2px solid var(--tc-yellow);
  padding-bottom: 4px;
  display: inline-block;
}

.f-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.f-col a {
  font-size: 0.84rem;
  color: #B9C8E8;
}

.f-col a:hover {
  color: var(--tc-yellow);
}

.f-contact-line {
  font-size: 0.82rem;
  color: #B9C8E8;
  margin-bottom: 6px;
}

.f-contact-line strong {
  color: var(--tc-white);
}

.footer-legal-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.74rem;
  color: #9AB2DC;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .services-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sectors-four-grid {
    grid-template-columns: 1fr;
  }
  .calc-form-layout {
    grid-template-columns: 1fr;
  }
  .training-flex {
    grid-template-columns: 1fr;
  }
  .contact-grid-layout {
    grid-template-columns: 1fr;
  }
  .footer-cols-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-contact-bar {
    display: none;
  }

  .nav-toggle-btn {
    display: flex;
  }

  .site-navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--tc-white);
    border-bottom: 3px solid var(--tc-blue);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
  }

  .site-navigation.active {
    display: block;
  }

  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .btn-nav-contact {
    width: 100%;
    text-align: center;
  }

  .hero-facts-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-cards-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .calc-row-two, .form-row-2 {
    grid-template-columns: 1fr;
  }

  .footer-cols-grid {
    grid-template-columns: 1fr;
  }

  .footer-legal-bar {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-facts-row {
    grid-template-columns: 1fr;
  }
  .results-numbers-grid {
    grid-template-columns: 1fr;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-buttons .btn {
    width: 100%;
  }
}