/* ==========================================================================
   KANNAV RENOVATION - CORE DESIGN SYSTEM & STYLESHEET
   Matching logo red (#FF1A1A / #E60000), deep black (#0A0E13), and Cinzel typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Chakra+Petch:wght@600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Tokens */
  --bg-dark: #0A0E13;
  --bg-card: #131920;
  --bg-card-hover: #1A222C;
  --bg-nav: rgba(10, 14, 19, 0.95);
  
  /* Brand Accent: Kannav Renovation Logo Red */
  --accent-red: #FF1A1A;
  --accent-red-hover: #E60000;
  --accent-red-glow: rgba(255, 26, 26, 0.35);
  
  /* Backward Compatible Alias Tokens */
  --accent-lime: #FF1A1A;
  --accent-lime-hover: #E60000;
  --accent-lime-glow: rgba(255, 26, 26, 0.35);

  /* Neutral Colors */
  --text-white: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dark: #07090C;
  --border-slate: #222D3A;
  --border-red: rgba(255, 26, 26, 0.4);
  --border-lime: rgba(255, 26, 26, 0.4);

  /* Typography */
  --font-serif: 'Cinzel', 'Times New Roman', serif;
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions & Shadows */
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(255, 26, 26, 0.35);
}

/* Reset & Global Elements */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-dark);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utilities */
.heading-industrial {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.heading-serif {
  font-family: var(--font-serif);
  letter-spacing: 0.03em;
}

.text-red {
  color: var(--accent-red);
}

.text-lime {
  color: var(--accent-red);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-red, .btn-lime {
  background-color: var(--accent-red);
  color: #FFFFFF;
  border-color: var(--accent-red);
}

.btn-red:hover, .btn-lime:hover {
  background-color: var(--accent-red-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: rgba(22, 29, 36, 0.7);
  color: var(--text-white);
  border-color: var(--border-slate);
}

.btn-outline:hover {
  border-color: var(--text-white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   1.0 NAVBAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-slate);
  transition: var(--transition);
}

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

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

.logo-icon {
  width: 42px;
  height: 42px;
  color: var(--accent-lime);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-white);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-lime);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.8rem;
  cursor: pointer;
}

/* ==========================================================================
   2.0 HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 120px;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(14, 19, 24, 0.7) 0%, rgba(14, 19, 24, 0.95) 100%),
              url('assets/images/hero_industrial_site.jpg') center/cover no-repeat;
  border-bottom: 1px solid var(--border-slate);
}

.hero-content {
  max-width: 760px;
  padding: 60px 0;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 800;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* ==========================================================================
   3.0 INDUSTRIAL CAPABILITIES SECTION
   ========================================================================== */
.capabilities {
  padding: 100px 0;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-slate);
}

.capabilities-grid-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

.section-title-side {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  border-left: 4px solid var(--accent-lime);
  padding-left: 16px;
}

.capabilities-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.capability-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-slate);
  padding: 30px 20px;
  border-radius: 4px;
  transition: var(--transition);
}

.capability-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-lime);
  transform: translateY(-4px);
}

.capability-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-lime);
  margin-bottom: 20px;
}

.capability-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-white);
}

.capability-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   4.0 SAFETY CULTURE BANNER
   ========================================================================== */
.safety-banner {
  background-color: var(--accent-lime);
  color: var(--text-dark);
  padding: 24px 0;
}

.safety-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.safety-content {
  display: flex;
  align-items: center;
  gap: 24px;
}

.safety-icon {
  width: 42px;
  height: 42px;
  color: var(--text-dark);
  flex-shrink: 0;
}

.safety-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.safety-desc {
  font-size: 0.9rem;
  font-weight: 500;
  color: #1A232E;
}

.btn-safety {
  background-color: var(--text-dark);
  color: var(--text-white);
  border-color: var(--text-dark);
}

.btn-safety:hover {
  background-color: #1C2633;
  color: var(--accent-lime);
}

/* ==========================================================================
   5.0 STATS / METRICS BAR
   ========================================================================== */
.stats-bar {
  padding: 70px 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-slate);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item {
  position: relative;
  padding: 0 10px;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--border-slate);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--accent-lime);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-white);
  text-transform: uppercase;
}

/* ==========================================================================
   6.0 FEATURED PROJECTS
   ========================================================================== */
.projects {
  padding: 100px 0;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-slate);
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
}

.view-all-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-lime);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}

.view-all-link:hover {
  color: var(--accent-lime-hover);
  gap: 12px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-slate);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--accent-lime);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.project-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 4px;
}

.project-location {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 500;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
  flex-grow: 1;
}

.project-link {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-lime);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-card:hover .project-link {
  gap: 10px;
}

/* Filter Bar */
.project-filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-slate);
  color: var(--text-white);
  padding: 8px 18px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--accent-lime);
  color: var(--text-dark);
  border-color: var(--accent-lime);
}

/* ==========================================================================
   7.0 OUR PROCESS SECTION
   ========================================================================== */
.process {
  padding: 100px 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-slate);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
  position: relative;
}

.process-step {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-slate);
  padding: 36px 24px;
  border-radius: 4px;
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--accent-lime);
  transform: translateY(-4px);
}

.process-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.process-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-lime);
}

.process-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-lime);
  line-height: 1;
}

.process-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-white);
}

.process-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Chevron Arrows */
.process-step:not(:last-child)::after {
  content: '>>';
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-lime);
  z-index: 10;
}

/* ==========================================================================
   8.0 TRUSTED BY INDUSTRY LEADERS & TESTIMONIALS
   ========================================================================== */
.trust {
  padding: 100px 0;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-slate);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.trust-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 30px;
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.logo-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-slate);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: #64748B;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.logo-box:hover {
  color: var(--text-white);
  border-color: var(--accent-lime);
}

.testimonial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-slate);
  padding: 40px;
  border-radius: 4px;
  position: relative;
}

.quote-mark {
  font-size: 4rem;
  color: var(--accent-lime);
  line-height: 1;
  font-family: var(--font-heading);
  margin-bottom: -20px;
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-white);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-lime);
  text-transform: uppercase;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   9.0 CAREERS BANNER
   ========================================================================== */
.careers-banner {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(90deg, rgba(14, 19, 24, 0.92) 0%, rgba(14, 19, 24, 0.6) 100%),
              url('assets/images/careers_industrial_worker.jpg') center/cover no-repeat;
  border-bottom: 1px solid var(--border-slate);
}

.careers-content {
  max-width: 600px;
}

.careers-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.1;
}

.careers-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

/* ==========================================================================
   10.0 FOOTER
   ========================================================================== */
.footer {
  background-color: #080B0F;
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-slate);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-about p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
  margin-bottom: 20px;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-slate);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.social-link:hover {
  color: var(--accent-lime);
  border-color: var(--accent-lime);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--text-white);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-lime);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-lime);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-slate);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   MODAL DIALOG (REQUEST A QUOTE & PROJECT DETAILS)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 18, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-lime);
  border-radius: 4px;
  width: 90%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--accent-lime);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-white);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-slate);
  color: var(--text-white);
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-lime);
  box-shadow: 0 0 10px rgba(158, 240, 26, 0.2);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .capabilities-grid-layout {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stat-item:nth-child(3)::after {
    display: none;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-step:nth-child(2)::after {
    display: none;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .process-step::after {
    display: none !important;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}