/* ============================================
   Naja Safety Sdn Bhd — Main Stylesheet
   Mobile-first, responsive, clean professional
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #1B4F72;
  --primary-dark: #154360;
  --accent: #F39C12;
  --accent-dark: #D68910;
  --white: #ffffff;
  --light: #f8f9fa;
  --gray: #6c757d;
  --dark: #212529;
  --text: #333333;
  --border: #dee2e6;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 8px;
  --transition: 0.25s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }
p { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-gray { color: var(--gray); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
section { padding: 4rem 0; }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title h2 { margin-bottom: 0.5rem; }
.section-title p { color: var(--gray); max-width: 640px; margin: 0 auto; }
.bg-light { background: var(--light); }
.bg-primary { background: var(--primary); color: var(--white); }
.bg-primary h2, .bg-primary h3 { color: var(--white); }

/* ---------- Header / Nav ---------- */
header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
}
.logo img { height: 38px; width: auto; }
.nav-links {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text);
  position: relative;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { width: 100%; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--primary);
  cursor: pointer;
  padding: 0.25rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  line-height: 1;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.8);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}
.btn-light {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}
.btn-light:hover { background: var(--light); }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 5rem 0 4.5rem;
  text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 1rem; }
.hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Trust Bar ---------- */
.trust-bar { background: var(--light); padding: 2.5rem 0; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.trust-item img { height: 44px; width: auto; }
.trust-item span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--gray); font-size: 0.95rem; margin-bottom: 0; }
.card a { font-weight: 600; font-size: 0.9rem; color: var(--accent); }
.card a:hover { color: var(--accent-dark); }

/* ---------- Bio / About ---------- */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.bio-image { text-align: center; }
.bio-image img {
  max-width: 260px;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.credentials-list { list-style: none; margin: 1rem 0; }
.credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
}
.credentials-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Client Wall ---------- */
.client-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}
.client-tag {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--primary);
}

/* ---------- Hero Subtext ---------- */
.hero-subtext {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}
.hero-subtext strong {
  color: var(--primary);
}

/* ---------- Financial Incentive ---------- */
.financial-incentive {
  background: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 100%);
  padding: 2.5rem 0;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
}
.financial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(243,156,18,0.15);
  text-align: center;
}
.financial-card h3 {
  color: var(--accent-dark);
  margin-bottom: 0.75rem;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}
.financial-card p {
  color: var(--text);
  margin-bottom: 1.25rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.badge {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- Geo Targeting ---------- */
.geo-targeting {
  background: var(--light);
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.geo-targeting h4 {
  color: var(--primary);
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}
.geo-targeting p {
  margin-bottom: 0;
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}
.geo-targeting code {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--primary);
  font-family: 'Inter', monospace;
}

/* ---------- Video Evidence ---------- */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.video-thumb {
  position: relative;
  background: var(--primary);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-thumb svg { width: 48px; height: 48px; opacity: 0.9; }
.video-card p {
  padding: 1rem;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}
.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-question::after { content: "−"; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}
.faq-answer-inner {
  padding-bottom: 1.25rem;
  color: var(--gray);
  font-size: 0.95rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.contact-info .block { margin-bottom: 1.25rem; }
.contact-info .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin-bottom: 0.3rem;
}
.contact-info a {
  display: block;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.contact-info a:hover { color: var(--accent); }
.map-placeholder {
  background: var(--light);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.88rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,79,114,0.08);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ---------- Footer ---------- */
footer { background: var(--primary); color: var(--white); padding: 3rem 0 1.25rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h4 {
  color: var(--white);
  margin-bottom: 0.9rem;
  font-size: 1rem;
}
.footer-col a,
.footer-col p {
  color: rgba(255,255,255,0.8);
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}

/* ---------- Sticky WhatsApp ---------- */
.whatsapp-sticky {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  background: #25D366;
  color: var(--white);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  transition: var(--transition);
}
.whatsapp-sticky:hover {
  transform: scale(1.08);
  background: #128C7E;
}
.whatsapp-sticky svg { width: 28px; height: 28px; }
.whatsapp-sticky .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ---------- Services Page ---------- */
.service-pillar { margin-bottom: 3rem; }
.service-pillar:last-child { margin-bottom: 0; }
.service-pillar h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}
.service-pillar h3 svg { width: 28px; height: 28px; color: var(--accent); }
.service-pillar p { color: var(--gray); margin-bottom: 1rem; }
.service-list { list-style: none; }
.service-list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}
.service-list li::before {
  content: "▸";
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Courses Page ---------- */
.course-category { margin-bottom: 3rem; }
.course-category h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}
.course-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.course-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: var(--transition);
}
.course-card:hover { border-color: var(--primary); }
.course-card h4 { margin-bottom: 0.4rem; font-size: 1.05rem; }
.course-card p { color: var(--gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  background: var(--light);
  color: var(--primary);
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
}
.tag.accent { background: var(--accent); color: var(--white); }

/* ---------- Industries ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.industry-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition);
}
.industry-item:hover { border-color: var(--primary); }
.industry-item svg { width: 32px; height: 32px; color: var(--accent); margin-bottom: 0.5rem; }
.industry-item h4 { font-size: 0.92rem; margin-bottom: 0.25rem; }
.industry-item p { font-size: 0.82rem; color: var(--gray); margin-bottom: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--gray); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 10000;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ============================================
   Tablet + Desktop
   ============================================ */
@media (min-width: 640px) {
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .course-list { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .bio-grid { grid-template-columns: 280px 1fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .service-pillar { margin-bottom: 3.5rem; }
}

@media (min-width: 900px) {
  .trust-grid { grid-template-columns: repeat(6, 1fr); }
  .card-grid { grid-template-columns: repeat(4, 1fr); }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .course-list { grid-template-columns: repeat(3, 1fr); }
  .industry-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}