/* ============================================
   KTech — Brand & Design Foundation (from logo)
   Primary: blue (logo) | Accent: green (logo grid) | Black & grays
   ============================================ */

:root {
  --brand: #0066CC;
  --brand-hover: #0052A3;
  --brand-light: rgba(0, 102, 204, 0.12);
  --accent: #00CC66;
  --accent-hover: #00A352;
  --accent-light: rgba(0, 204, 102, 0.12);
  --black: #000000;
  --gray-light: #D9D9D9;
  --gray-mid: #4C4C4C;
  --gray-bg: #f5f5f5;
  --white: #ffffff;
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --space: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-hover); }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-primary {
  background: var(--brand);
  color: var(--white);
  border-color: var(--brand);
}
.btn-primary:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  color: var(--white);
}
.btn-secondary {
  background: transparent;
  color: var(--black);
  border-color: var(--gray-mid);
}
.btn-secondary:hover {
  background: var(--gray-mid);
  color: var(--white);
  border-color: var(--gray-mid);
}
.btn-outline {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}
.btn-outline:hover {
  background: var(--brand-light);
  color: var(--brand-hover);
}
.btn-block { width: 100%; text-align: center; }

/* ----- Layout ----- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space);
}
.section {
  padding: var(--space-xl) 0;
}
.section:nth-of-type(even) { background: var(--gray-bg); }
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--black);
  margin: 0 0 0.5rem;
  text-align: center;
}
.section-sub {
  text-align: center;
  color: var(--gray-mid);
  font-size: 1.125rem;
  margin: 0 0 var(--space-lg);
}
.section-cta {
  text-align: center;
  margin-top: var(--space-lg);
}

/* ============================================
   Sticky Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  padding: var(--space) 0;
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--black);
  display: inline-flex;
  align-items: center;
}
.logo:hover { color: var(--brand); }
.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}
.logo-img-footer {
  height: 32px;
}
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-link {
  color: var(--black);
  font-weight: 500;
}
.nav-link:hover,
.nav-link:focus { color: var(--brand); }
.nav-link.active { color: var(--brand); font-weight: 600; }
.nav-cta {
  background: var(--brand);
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--brand-hover); color: var(--white) !important; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--black);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  background: var(--gray-bg);
  padding: clamp(4rem, 10vw, 7rem) 0;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.97) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space);
}
.hero-title {
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--black);
  margin: 0 0 1rem;
}
.hero-sub {
  font-size: 1.25rem;
  color: var(--gray-mid);
  margin: 0 0 2rem;
  line-height: 1.5;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-mid);
  font-size: 0.95rem;
}
.trust-icon { font-size: 1.25rem; }
.trust-item strong { color: var(--black); }

/* ============================================
   Stats strip
   ============================================ */
.stats-strip {
  background: var(--black);
  color: var(--white);
  padding: var(--space-lg) 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space);
  text-align: center;
}
.stat-num {
  display: block;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--gray-light);
}
@media (max-width: 640px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   About
   ============================================ */
.about-lead {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-mid);
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}
.about-visual {
  max-width: 900px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-light);
}
.about-visual img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space);
  margin-bottom: var(--space);
}
.about-card {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
}
.about-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brand);
}
.about-card p, .about-card ul { margin: 0; color: var(--gray-mid); }
.about-card.values ul { list-style: none; padding: 0; }
.about-card.values li { margin-bottom: 0.5rem; }
.about-card.values strong { color: var(--black); }

/* ============================================
   Certificates — Trust / Proof
   ============================================ */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space);
  margin-bottom: var(--space);
}
.certificate-card {
  margin: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.certificate-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 30px var(--brand-light);
}
.certificate-link {
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-bg);
}
.certificate-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.certificate-card:hover .certificate-link img {
  transform: scale(1.03);
}
.certificate-card figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
  text-align: center;
  border-top: 1px solid var(--gray-light);
}
.certificate-link:hover { color: inherit; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox[aria-hidden="false"] {
  display: flex;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border: none;
  background: var(--gray-mid);
  color: var(--white);
  font-size: 1.5rem;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
}
.lightbox-close:hover {
  background: var(--brand);
}
.lightbox-inner {
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
}

/* ============================================
   Services
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space);
}
.service-card {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 30px var(--brand-light);
}
.service-icon {
  width: 56px;
  height: 56px;
  color: var(--brand);
  margin-bottom: 1rem;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.5rem;
}
.service-card > p { color: var(--gray-mid); margin: 0 0 1rem; font-size: 0.95rem; }
.service-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.service-benefits li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.4rem;
  color: var(--gray-mid);
  font-size: 0.95rem;
}
.service-benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

/* ============================================
   How It Works — Timeline
   ============================================ */
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space);
  margin-bottom: var(--space);
}
.timeline-step {
  background: var(--white);
  padding: var(--space);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  position: relative;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.timeline-step:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--brand);
  color: var(--white);
  font-weight: 800;
  font-size: 1.125rem;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}
.timeline-step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.5rem;
}
.timeline-step p {
  font-size: 0.875rem;
  color: var(--gray-mid);
  margin: 0;
}

/* ============================================
   Coverage
   ============================================ */
.coverage-visual {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.coverage-map-placeholder {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 3rem;
  background: var(--gray-bg);
  border: 2px dashed var(--gray-light);
  border-radius: var(--radius-lg);
  color: var(--gray-mid);
}
.globe-icon { font-size: 3rem; }
.coverage-regions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.region-tag {
  background: var(--white);
  color: var(--gray-mid);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--gray-light);
  font-weight: 500;
  font-size: 0.9rem;
}
.priority-markets-wrap {
  max-width: 720px;
  margin: 0 auto var(--space);
}
.priority-markets-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.75rem;
}
.priority-markets {
  padding: 0;
  list-style: none;
  color: var(--gray-mid);
  font-size: 0.95rem;
}
.priority-markets li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-light);
}
.priority-markets li:last-child { border-bottom: none; }
.priority-markets strong { color: var(--black); }

/* ============================================
   Resources
   ============================================ */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space);
}
.resource-card {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  transition: border-color var(--transition);
}
.resource-card:hover { border-color: var(--brand); }
.resource-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.5rem;
}
.resource-card p { color: var(--gray-mid); margin: 0 0 1rem; font-size: 0.95rem; }
.link-arrow {
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.link-arrow::after { content: ' →'; }

/* ============================================
   Why companies choose us
   ============================================ */
.trust-reasons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space);
  margin-top: var(--space);
}
.trust-reason {
  padding: var(--space);
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
}
.trust-reason-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--brand);
  color: var(--white);
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}
.trust-reason h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.35rem;
}
.trust-reason p {
  font-size: 0.9rem;
  color: var(--gray-mid);
  margin: 0;
  line-height: 1.5;
}

/* ============================================
   Contact & Lead Form
   ============================================ */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact-content .section-title,
.contact-content .section-sub { text-align: left; }
.contact-content .section-sub { margin-bottom: 1rem; }
.contact-commitment {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  background: var(--brand-light);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--gray-mid);
  border-left: 3px solid var(--brand);
}
.contact-info {
  margin-top: 1rem;
  color: var(--gray-mid);
  font-size: 0.95rem;
}
.contact-info a { color: var(--brand); font-weight: 500; }
.lead-form {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
}
.lead-form label {
  display: block;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}
.lead-form input,
.lead-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  transition: border-color var(--transition);
}
.lead-form input:focus,
.lead-form textarea:focus {
  outline: none;
  border-color: var(--brand);
}
.sticky-cta-bar {
  position: sticky;
  bottom: 0;
  background: var(--black);
  color: var(--white);
  padding: 1rem var(--space);
  margin-top: var(--space-lg);
  display: none;
}
.sticky-cta-bar.visible { display: block; }
.sticky-cta-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.sticky-cta-bar .btn-primary {
  background: var(--brand);
  border-color: var(--brand);
}
.sticky-cta-bar .btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--black);
  color: var(--gray-light);
  padding: var(--space-lg) 0 var(--space);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-mid);
}
.footer-brand .logo { color: var(--white); }
.footer-brand .logo:hover { color: var(--brand); }
.footer-brand p { margin: 0.5rem 0 0; font-size: 0.9rem; color: var(--gray-light); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.footer-nav a { color: var(--gray-light); }
.footer-nav a:hover { color: var(--brand); }
.footer-copy { margin: 0; font-size: 0.85rem; color: var(--gray-mid); }
.footer-privacy { margin: 0.5rem 0 0; font-size: 0.8rem; color: var(--gray-mid); max-width: 480px; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .contact-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--gray-light); padding: var(--space); }
  .nav.open .nav-list { flex-direction: column; align-items: stretch; }
  .menu-toggle { display: flex; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; max-width: 320px; }
  .timeline { grid-template-columns: 1fr; }
  .sticky-cta-bar .container { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  :root { --space-xl: 3rem; }
  .section { padding: var(--space-lg) 0; }
  .hero-trust { flex-direction: column; gap: 1rem; }
  .footer-inner { flex-direction: column; }
}