/* Basic reset and global styles */
/* Theme tokens:
   - --accent: #0066ff (primary blue accent used for buttons, icons, interactive states)
   - --accent-rgb: 0,102,255 (for textures)
   - --bg / --surface: #ffffff (white backgrounds & cards)
   - --text / --text-dark: #000000 (pure black text and dark accents)
   - --border: #e6e6e6 (subtle card/border color)
   To revert: restore previous :root values (search for earlier commit or replace variables with previous hex values).
*/
* {
  box-sizing: border-box;
}

/* Palette: blue / white / black (user requested) */
:root {
  --bg: #ffffff; /* page background */
  --surface: #ffffff; /* surfaces/cards */
  --text: #000000; /* pure black text */
  --text-dark: #000000; /* dark accents (same as text) */
  --muted: #6b6b6b; /* secondary text */
  --muted-2: #9a9a9a; /* tertiary / accents */
  --border: #e6e6e6; /* thin borders */
  --shadow: rgba(0,0,0,0.07);
  --accent: #0066ff; /* vibrant blue accent */
  --accent-rgb: 0,102,255; /* for rgba use in textures */
} 

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 16px;
  scroll-behavior: smooth;
}

.hero h1 {
  margin: 0 0 0.1rem 0;
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  user-select: text;
}
.hero h2 {
  margin: 0 0 1.1rem 0;
  font-weight: 400;
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  color: #d9d9d9;
  user-select: text;
}
.hero p {
  max-width: 520px;
  line-height: 1.6;
  font-size: clamp(0.95rem, 1.7vw, 1.05rem);
  color: #d5d5d5;
  user-select: text;
  margin-bottom: 2.3rem;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background-color: white;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Logo */
.logo {
  font-weight: 700;
  color: var(--text);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  white-space: nowrap;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

nav a {
  font-weight: 500;
  font-size: clamp(0.86rem, 0.9vw, 0.95rem);
  color: var(--muted);
  padding: 0.2rem 0.2rem;
  transition: color 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--muted-2);
  transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

nav a:hover,
nav a:focus-visible,
nav a.active {
  color: var(--text);
  outline: none;
}

/* Make the active/hover underline use accent blue for a subtle highlight */
nav a:hover::after,
nav a.active::after {
  background-color: var(--accent);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  background: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

/* PDF Link */
.btn-pdf {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 500;
  color: var(--accent);
  font-size: 0.95rem;
  cursor: pointer;
}

.btn-pdf svg {
  width: 1rem;
  height: 1rem;
  stroke-width: 2;
  stroke: var(--accent);
  fill: none;
}

/* Contact button -> blue accent */
.btn-contact {
  background-color: var(--accent);
  color: white;
  border-radius: 6px;
  padding: 0.4rem 1.3rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.btn-contact:hover,
.btn-contact:focus-visible {
  background-color: #0052cc; /* slightly darker blue */
  outline: none;
} 

/* Hero Section */
.hero {
  padding: 3rem 2rem 4rem;
  /* hero: vibrant blue to black gradient */
  background: linear-gradient(135deg, var(--accent) 0%, #000000 100%);
  color: white;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  position: relative;
  min-height: 380px;
  user-select: none;
} 

/* Subtle blue texture overlay for the hero to add visual interest without overpowering the monochrome theme */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* repeating diagonal lines using the accent color at very low opacity */
  background: repeating-linear-gradient(135deg,
    rgba(var(--accent-rgb), 0.06) 0 1px,
    rgba(var(--accent-rgb), 0.03) 1px 10px);
  mix-blend-mode: screen;
  opacity: 0.45;
  z-index: 0;
}

.hero > * {
  /* keep hero content above texture */
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1 1 480px;
  max-width: 650px;
  text-align: left;
}

.hero-location {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  margin-bottom: 0.35rem;
  gap: 0.45rem;
  opacity: 0.9;
}

.hero-location svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke-width: 2.5;
  stroke: white;
  fill: none;
}

.hero h1 {
  margin: 0 0 0.1rem 0;
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.1;
  user-select: text;
}

.hero h2 {
  margin: 0 0 1.1rem 0;
  font-weight: 400;
  font-size: 1.3rem;
  color: #d9d9d9;
  user-select: text;
}

.hero p {
  max-width: 520px;
  line-height: 1.6;
  font-size: 1.05rem;
  color: #d5d5d5;
  user-select: text;
  margin-bottom: 2.3rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero buttons styles */
.btn-primary,
.btn-secondary {
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.6rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  user-select: none;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
  border-color: transparent;
}

.btn-primary svg {
  stroke: white;
  width: 1.25rem;
  height: 1.25rem;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #0052cc;
  outline: none;
} 

.btn-secondary {
  background-color: #ffffff; /* white background requested */
  color: var(--accent);
  border: 2px solid var(--accent);
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
}

.btn-secondary svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor; /* match the text color (accent) */
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: #ffffff; /* stay white on hover */
  outline: none;
  box-shadow: 0 4px 14px rgba(0,102,255,0.06);
} 

/* Hero symbolic icon */
.hero-icon {
  flex: 0 0 auto;
  width: clamp(80px, 18vw, 160px);
  height: auto;
  margin-left: auto;
  margin-right: 2rem;
  opacity: 0.06;
  user-select: none;
}

.hero-icon svg {
  width: 100%;
  height: auto;
  stroke: white;
  stroke-width: 3;
  fill: none;
  display: block;
}

/* Sections common styles */
section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

h2.section-title {
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--text);
  margin-bottom: 0.3rem;
  text-align: center;
  user-select: text;
}

p.section-subtitle {
  color: var(--muted);
  font-weight: 400;
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: 2.5rem;
  text-align: center;
  user-select: text;
}

/* Section-specific headings/subtitles in requested sections should use the blue accent */
#services h2.section-title,
#training h2.section-title,
#categories h2.section-title,
#certifications h2.section-title {
  color: var(--accent);
}

#services p.section-subtitle,
#training p.section-subtitle,
#categories p.section-subtitle,
#certifications p.section-subtitle {
  color: var(--accent);
} 

/* Consulting Services */
.consulting-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem 1.8rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1rem;
}

.service-card {
  background-color: var(--surface);
  border-radius: 12px;
  padding: 1.5rem 1.6rem;
  box-shadow: 0 1.2rem 3rem var(--shadow);
  display: flex;
  gap: 1rem;
  user-select: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 0.1);
}

.service-icon {
  position: relative;
  background-color: var(--accent);
  padding: 0.4rem;
  border-radius: 7px;
  flex-shrink: 0;
  width: 2.6rem;
  height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.18s ease, transform 0.18s ease;
  overflow: hidden;
}

/* subtle glossy overlay for more depth */
.service-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border-radius: 7px;
  pointer-events: none;
}

.service-card:hover .service-icon {
  background-color: #0052cc;
  transform: translateY(-2px);
}

.service-icon svg,
.category-square svg {
  width: 22px;
  height: 22px;
  stroke: white;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.18));
  transition: transform 0.18s ease, filter 0.18s ease;
}

..service-card:hover .service-icon svg,
.category-card:hover .category-square svg {
  transform: scale(1.06);
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.22));
}

.service-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  user-select: text;
}

.service-text strong {
  font-weight: 700;
  margin-bottom: 0.32rem;
  font-size: 1.05rem;
  color: var(--accent);
}

.service-text p {
  font-weight: 400;
  font-size: 0.9rem;
  line-height: 1.4;
  margin: 0;
  color: var(--muted);
  user-select: text;
}

/* Training & Educational Services */
.training-list {
  max-width: 840px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem 4rem;
  user-select: text;
}
.training-list {
  padding: 0 1rem;
}

/* Make each training item an individual card (more specific selector so it wins over later rules) */
.training-list .training-item {
  background-color: var(--surface);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  align-items: flex-start;
}

/* Hover effect for the cards */
.training-list .training-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 1.6rem 4rem rgba(0, 0, 0, 0.09);
}
.training-item {
  display:flex;
  align-items:flex-start;
  gap:0.95rem;
  font-weight:600;
  font-size:1.12rem;
  background-color:var(--surface);
  color:var(--accent);
  line-height:1.55;
  user-select:text;
  padding:0.75rem 0;
} 

.training-square {
  width:1.9rem;
  height:1.9rem;
  background-color: transparent;
  border-radius:6px;
  flex-shrink:0;
  margin-top:2px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.25rem;
}

.emoji-icon {
  display:block;
  font-size:1.35rem;
  line-height:1;
}

.training-item:hover .training-square {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,102,255,0.06);
} 

.training-item:hover .training-square {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,102,255,0.06);
}   

/* Service Categories */
.categories-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem 2rem;
  user-select: text;
}

.category-card {
  background-color: var(--surface);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-radius: 10px;
  padding: 1.3rem 1.7rem;
  box-shadow: 0 1.1rem 2.7rem var(--shadow);
  user-select: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 1.5rem 3rem rgb(0 0 0 / 0.08);
}

.category-square {
  width: 2.2rem;
  height: 2.2rem;
  background-color: var(--accent);
  border-radius: 10px;
  flex-shrink: 0;
  display:flex;
  align-items:center;
  justify-content:center;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.category-square svg {
  width: 22px;
  height: 22px;
  stroke: white;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display:block;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.18));
}

.category-card:hover .category-square {
  background-color: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0,102,255,0.06);
}

/* Certifications */
.certifications-grid {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem 1.8rem;
  user-select: text;
}

.cert-card {
  background-color: var(--surface);
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  border-radius: 10px;
  padding: 1rem 1.5rem;
  box-shadow: 0 1.3rem 3rem var(--shadow);
  font-size: 0.88rem;
  line-height: 1.3;
  user-select: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 1.5rem 3.5rem rgb(0 0 0 / 0.08);
}

.cert-square {
  width: 1.6rem;
  height: 1.6rem;
  background-color: var(--accent);
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 5px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.cert-square svg {
  width: 16px;
  height: 16px;
  stroke: white;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display:block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.18));
}

.cert-card:hover .cert-square {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,102,255,0.06);
}   

.cert-info {
  flex-grow: 1;
  color: var(--text);
}

.cert-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
  font-size: 0.94rem;
  user-select: text;
}

.cert-sub {
  font-weight: 400;
  font-size: 0.77rem;
  color: #4da3ff;
  margin-top: 0;
  user-select: text;
  color: var(--muted);
  margin-top: 0;
  user-select: text;
}

/* Footer CTA Section */
.footer-cta {
  /* footer: vibrant blue to black gradient */
  background: linear-gradient(135deg, var(--accent) 0%, #000000 100%);
  color: white;
  text-align: center;
  padding: 4rem 2rem;
  user-select: none;
} 

.footer-cta h2 {
  margin: 0 0 0.45rem 0;
  font-size: 1.7rem;
  font-weight: 700;
  user-select: text;
}

.footer-cta p {
  font-weight: 400;
  font-size: 1rem;
  margin: 0 0 2rem 0;
  max-width: 610px;
  margin-left: auto;
  margin-right: auto;
  user-select: text;
}

.footer-buttons {
  display: flex;
  justify-content: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.footer-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 7px;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.65rem 1.7rem;
  cursor: pointer;
  border: 2px solid transparent;
  user-select: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  background-color: white;
  color: var(--text);
}

.footer-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: var(--text);
  fill: none;
}

.footer-btn-secondary {
  background: transparent;
  border-color: white;
  color: white;
}

.footer-btn-secondary svg {
  fill: currentColor;
  stroke: none;
}

.footer-btn:hover,
.footer-btn:focus-visible {
  background-color: #f2f2f2;
  outline: none;
  color: var(--text);
}

.footer-btn-secondary:hover,
.footer-btn-secondary:focus-visible {
  background-color: rgba(255 255 255 / 0.2);
  outline: none;
  color: white;
}

/* Footer */
footer {
  background: var(--surface);
  text-align: center;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--muted);
  padding: 1.4rem 1rem 2rem 1rem;
  user-select: none;
  user-select: text;
}

footer small {
  display: block;
  margin-top: 0.1rem;
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--accent);
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1000;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: #0052cc;
} 

/* Responsive */
@media (max-width: 800px) {
  header {
    padding: 0.75rem 1rem;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    z-index: 998;
  }
  
  nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  nav a {
    width: 100%;
    padding: 0.8rem 2rem;
    border-bottom: 1px solid #f0f0f0;
  }
  
  nav a:last-child {
    border-bottom: none;
  }
  
  .btn-pdf, .btn-contact {
    justify-content: flex-start;
  }

  .hero {
    padding: 2.5rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-icon {
    display: none;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .consulting-services-grid,
  .training-list,
  .categories-list,
  .certifications-grid {
    grid-template-columns: 1fr !important;
  }

  .footer-buttons {
    flex-direction: column;
    gap: 1rem;
  }
}