/* ----------------------------------------------------
   Bestrich Fame Klaut Sdn. Bhd. - Style Sheet
   Premium Modern Construction Dark Theme
   ---------------------------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --bg-card-hover: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --primary: #f59e0b; /* Amber */
  --primary-hover: #d97706;
  --primary-light: rgba(245, 158, 11, 0.15);
  
  --accent: #3b82f6; /* Blue / Cyber */
  --accent-light: rgba(59, 130, 246, 0.1);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(245, 158, 11, 0.3);
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #1f2937;
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Utilities */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-primary-color {
  color: var(--primary);
}

section {
  padding: 100px 0;
  position: relative;
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: 70px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--primary);
}

.logo svg {
  width: 28px;
  height: 28px;
  fill: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.cta-button {
  display: inline-block;
  background: var(--primary);
  color: #000000;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  border: 1px solid var(--primary);
  cursor: pointer;
}

.cta-button:hover {
  background: transparent;
  color: var(--primary);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.3);
}

.cta-outline {
  display: inline-block;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  border: 1px solid var(--border-color);
}

.cta-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
}

/* Hero Section */
.hero {
  height: 90vh;
  min-height: 650px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(11, 15, 25, 0.9), rgba(11, 15, 25, 0.75)), url('../images/hero.png');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 750px;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge svg {
  width: 14px;
  height: 14px;
  fill: var(--primary);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Info Bar */
.info-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.info-icon {
  background: rgba(245, 158, 11, 0.1);
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.info-icon svg {
  width: 24px;
  height: 24px;
}

.info-text h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.info-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* About Us Section */
.about {
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.section-tag {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.values-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  gap: 0.75rem;
}

.value-checkbox {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.value-checkbox svg {
  width: 18px;
  height: 18px;
}

.value-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.value-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Card Badge */
.cidb-card {
  background: linear-gradient(145deg, #161e2e, #111827);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.cidb-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cidb-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.cidb-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cidb-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.cidb-label {
  color: var(--text-secondary);
}

.cidb-val {
  font-weight: 600;
  text-align: right;
}

.cidb-badge-gold {
  background: var(--primary);
  color: #000;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8rem;
}

/* Services / Specialization Section */
.services {
  background-color: var(--bg-secondary);
}

.services-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 15px rgba(245, 158, 11, 0.05);
}

.service-img {
  height: 240px;
  overflow: hidden;
  position: relative;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.service-card:hover .service-img img {
  transform: scale(1.08);
}

.service-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.service-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-bullets {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.service-bullets li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-bullets svg {
  width: 12px;
  height: 12px;
  fill: var(--primary);
}

/* Past Projects / Products Bar */
.projects {
  background-color: var(--bg-primary);
}

.projects-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.projects-column {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
}

.projects-column h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.projects-column h3 svg {
  width: 24px;
  height: 24px;
  fill: var(--primary);
}

.item-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.list-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-fast);
}

.list-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.item-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--primary);
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.item-details h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.item-details p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Contact Us Section */
.contact {
  background-color: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-methods {
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.method-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.method-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--primary);
  padding: 0.75rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.method-icon svg {
  width: 20px;
  height: 20px;
}

.method-text h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.method-text p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-icon:hover {
  background: var(--primary);
  color: #000;
  border-color: var(--primary);
  transform: translateY(-3px);
}

.contact-form-container {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  width: 100%;
  background: var(--primary);
  color: #000;
  border: 1px solid var(--primary);
  font-weight: 600;
  padding: 0.9rem;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.form-submit-btn:hover {
  background: transparent;
  color: var(--primary);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.3);
}

/* Footer */
footer {
  background: #060910;
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-logo span {
  color: var(--primary);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  margin-bottom: 2rem;
}

.footer-nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--text-primary);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
}

/* Animation System (Lightweight Intersection Observer classes) */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.animate-on-scroll.fade-in {
  transform: none;
}

.animate-on-scroll.slide-left {
  transform: translateX(-30px);
}

.animate-on-scroll.slide-right {
  transform: translateX(30px);
}

.animate-on-scroll.active {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 1024px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-buttons a {
    text-align: center;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    flex-direction: column;
    padding: 3rem 1rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-container {
    grid-template-columns: 1fr;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .info-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .values-list {
    grid-template-columns: 1fr;
  }
}

.lang-sec {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.65;
  font-weight: 400;
  margin-top: 0.25rem;
  font-style: italic;
}

.lang-sec-inline {
  font-size: 0.85em;
  color: var(--text-secondary);
  opacity: 0.7;
  font-weight: 400;
  font-style: italic;
}