/*
Theme Name: Kashif Industrial Solutions
Theme URI: https://kashifengineering.com
Description: Complete production industrial engineering theme for Kashif Industrial Solutions (Kashif Engineering). Built for Elementor with custom B2B quotation workflows, local SEO schema, mega menus, accessible off-canvas mobile nav, and robust industrial styling.
Author: Kashif Engineering Technical Team
Author URI: https://kashifengineering.com
Version: 1.3.0
License: GNU General Public License v2 or later
Text Domain: kashif-industrial
*/

/* ==========================================================================
   1. DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Brand Color Palette */
  --kis-primary: #0B192C;          /* Dark Industrial Navy */
  --kis-primary-dark: #07101C;     /* Night Navy */
  --kis-secondary: #1C2D37;        /* Secondary Industrial Slate */
  --kis-accent: #F28C28;           /* Industrial Orange (Accent / Primary CTA) */
  --kis-accent-hover: #D67417;     /* Deep Orange (Hover state) */
  --kis-accent-alt: #F58020;       /* Vibrant Safety Orange */
  
  /* Neutral & Text Colors */
  --kis-heading: #18232D;          /* Dark Charcoal for Headings */
  --kis-body: #4A5965;             /* Refined Slate for Body Text (WCAG AAA) */
  --kis-muted: #728495;            /* Secondary / Metadata Text */
  --kis-light-bg: #F4F7F9;         /* Light Gray Section Background */
  --kis-white: #FFFFFF;            /* Pure White Canvas / Card Background */
  --kis-border: #E2E8F0;           /* Subtle Border Line */
  --kis-border-dark: #2D3748;
  
  /* Status & Action Colors */
  --kis-whatsapp: #25D366;
  --kis-whatsapp-hover: #20BA5A;
  --kis-success: #10B981;
  --kis-warning: #F59E0B;
  --kis-danger: #EF4444;

  /* Typography System */
  --kis-font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --kis-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Fluid Responsive Typography with clamp() */
  --kis-fs-h1: clamp(2.1rem, 4.5vw + 0.5rem, 3.4rem);   /* 34px to 54px */
  --kis-fs-h2: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);    /* 28px to 40px */
  --kis-fs-h3: clamp(1.35rem, 2vw + 0.3rem, 1.85rem);   /* 22px to 30px */
  --kis-fs-h4: clamp(1.15rem, 1.2vw + 0.2rem, 1.4rem);  /* 18px to 22px */
  --kis-fs-h5: clamp(1.05rem, 0.8vw + 0.2rem, 1.2rem);  /* 16px to 19px */
  --kis-fs-body: clamp(1rem, 0.5vw + 0.85rem, 1.125rem); /* 16px to 18px base */
  --kis-fs-small: 0.875rem;                              /* 14px */
  --kis-fs-xs: 0.75rem;                                  /* 12px */

  /* Line Heights */
  --kis-lh-tight: 1.2;
  --kis-lh-heading: 1.25;
  --kis-lh-body: 1.68;

  /* Spacing Scale */
  --kis-space-xs: 4px;
  --kis-space-sm: 8px;
  --kis-space-md: 16px;
  --kis-space-lg: 24px;
  --kis-space-xl: 32px;
  --kis-space-2xl: 48px;
  --kis-space-3xl: 72px;

  /* Layout */
  --kis-container-max: 1240px;
  --kis-container-narrow: 960px;
  --kis-container-padding: clamp(16px, 3vw, 24px);

  /* Border Radius */
  --kis-radius-sm: 4px;
  --kis-radius-md: 6px;
  --kis-radius-lg: 10px;
  --kis-radius-full: 9999px;

  /* Elevation & Shadows */
  --kis-shadow-sm: 0 1px 3px rgba(11, 25, 44, 0.06), 0 1px 2px rgba(11, 25, 44, 0.04);
  --kis-shadow-md: 0 4px 14px rgba(11, 25, 44, 0.08);
  --kis-shadow-lg: 0 10px 30px rgba(11, 25, 44, 0.12);
  --kis-shadow-accent: 0 6px 20px rgba(242, 140, 40, 0.35);

  /* Transitions */
  --kis-transition-fast: 0.18s ease-in-out;
  --kis-transition-base: 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   2. ACCESSIBILITY & KEYBOARD FOCUS STATES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

:focus-visible {
  outline: 2px solid var(--kis-accent);
  outline-offset: 3px;
  border-radius: var(--kis-radius-sm);
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--kis-accent);
  color: #000;
  padding: 10px 16px;
  font-weight: 700;
  z-index: 99999;
  transition: top 0.2s;
  border-radius: var(--kis-radius-md);
}

.skip-to-content:focus {
  top: 16px;
}

/* ==========================================================================
   3. GLOBAL RESET & TYPOGRAPHY
   ========================================================================== */
body {
  font-family: var(--kis-font-body);
  font-size: var(--kis-fs-body);
  color: var(--kis-body);
  background-color: var(--kis-white);
  line-height: var(--kis-lh-body);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--kis-font-heading);
  color: var(--kis-heading);
  font-weight: 700;
  line-height: var(--kis-lh-heading);
  margin-top: 0;
  margin-bottom: 0.65em;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--kis-fs-h1); font-weight: 800; line-height: var(--kis-lh-tight); }
h2 { font-size: var(--kis-fs-h2); font-weight: 700; }
h3 { font-size: var(--kis-fs-h3); font-weight: 700; }
h4 { font-size: var(--kis-fs-h4); font-weight: 600; }
h5 { font-size: var(--kis-fs-h5); font-weight: 600; }
h6 { font-size: var(--kis-fs-small); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

p { margin-top: 0; margin-bottom: 1.25em; }

a {
  color: var(--kis-primary);
  text-decoration: none;
  transition: var(--kis-transition-fast);
}

a:hover { color: var(--kis-accent); }

/* ==========================================================================
   4. DESKTOP HEADER & STICKY BEHAVIOR
   ========================================================================== */
.kis-header-wrapper {
  position: relative;
  width: 100%;
  z-index: 1000;
}

.kis-header-sticky {
  position: sticky;
  top: 0;
  background: #FFFFFF;
  box-shadow: var(--kis-shadow-sm);
  transition: var(--kis-transition-base);
  z-index: 1000;
}

.kis-header-sticky.is-scrolled {
  box-shadow: 0 4px 20px rgba(11, 25, 44, 0.12);
}

/* Nav Menu & Mega Menu */
.kis-nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kis-nav-item {
  position: relative;
}

.kis-nav-link {
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--kis-heading);
  padding: 10px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--kis-transition-fast);
}

.kis-nav-link:hover, .kis-nav-link:focus, .kis-nav-item.current-menu-item > .kis-nav-link {
  color: var(--kis-accent);
}

/* Mega Menu Container */
.kis-mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 580px;
  background: #FFFFFF;
  border: 1px solid var(--kis-border);
  border-top: 3px solid var(--kis-accent);
  border-radius: 0 0 var(--kis-radius-md) var(--kis-radius-md);
  box-shadow: var(--kis-shadow-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 1050;
}

.kis-nav-item:hover .kis-mega-menu,
.kis-nav-item:focus-within .kis-mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.kis-mega-item {
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  border-radius: var(--kis-radius-sm);
  transition: var(--kis-transition-fast);
}

.kis-mega-item:hover, .kis-mega-item:focus {
  background: var(--kis-light-bg);
}

.kis-mega-title {
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 13.5px;
  color: var(--kis-heading);
  margin-bottom: 2px;
}

.kis-mega-desc {
  font-size: 12px;
  color: var(--kis-muted);
  line-height: 1.4;
}

/* ==========================================================================
   5. MOBILE OFF-CANVAS DRAWER
   ========================================================================== */
.kis-mobile-toggle-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--kis-heading);
}

.kis-offcanvas-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 25, 44, 0.6);
  backdrop-filter: blur(2px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.kis-offcanvas-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.kis-offcanvas-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 9999;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow-y: auto;
}

.kis-offcanvas-drawer.is-open {
  right: 0;
}

.kis-offcanvas-header {
  padding: 20px;
  border-bottom: 1px solid var(--kis-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kis-offcanvas-close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--kis-heading);
  padding: 4px 8px;
}

.kis-offcanvas-body {
  padding: 20px;
  flex-grow: 1;
}

.kis-offcanvas-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kis-offcanvas-nav li {
  border-bottom: 1px solid var(--kis-border);
}

.kis-offcanvas-nav a {
  display: block;
  padding: 14px 0;
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--kis-heading);
}

@media (max-width: 1024px) {
  .kis-nav-list, .kis-header-topbar-info {
    display: none !important;
  }
  .kis-mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .kis-hero-grid, .kis-about-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   6. REUSABLE GLOBAL COMPONENT CLASSES
   ========================================================================== */

/* A. Buttons */
.kis-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.3px;
  padding: 14px 28px;
  border-radius: var(--kis-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--kis-transition-base);
  text-decoration: none;
  line-height: 1;
  text-align: center;
}

.kis-btn-primary {
  background-color: var(--kis-accent);
  color: var(--kis-heading);
  border-color: var(--kis-accent);
  box-shadow: var(--kis-shadow-accent);
}

.kis-btn-primary:hover {
  background-color: var(--kis-accent-hover);
  border-color: var(--kis-accent-hover);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242, 140, 40, 0.45);
}

.kis-btn-secondary {
  background-color: var(--kis-primary);
  color: var(--kis-white);
  border-color: var(--kis-primary);
}

.kis-btn-secondary:hover {
  background-color: var(--kis-secondary);
  border-color: var(--kis-secondary);
  color: var(--kis-white);
  transform: translateY(-2px);
}

.kis-btn-outline {
  background-color: transparent;
  color: var(--kis-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.kis-btn-outline:hover {
  background-color: var(--kis-white);
  color: var(--kis-primary);
  border-color: var(--kis-white);
}

.kis-btn-whatsapp {
  background-color: var(--kis-whatsapp);
  color: var(--kis-white);
  border-color: var(--kis-whatsapp);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.kis-btn-whatsapp:hover {
  background-color: var(--kis-whatsapp-hover);
  color: var(--kis-white);
  transform: translateY(-2px);
}

/* B. Badges & Eyebrows */
.kis-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(242, 140, 40, 0.12);
  color: #C06511;
  font-family: var(--kis-font-heading);
  font-size: var(--kis-fs-xs);
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--kis-radius-full);
  border: 1px solid rgba(242, 140, 40, 0.3);
}

.kis-badge-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--kis-accent);
  border-color: rgba(255, 255, 255, 0.2);
}

/* C. Card Components */
.kis-card {
  background-color: var(--kis-white);
  border: 1px solid var(--kis-border);
  border-radius: var(--kis-radius-md);
  padding: var(--kis-space-xl);
  transition: var(--kis-transition-base);
}

.kis-card:hover {
  border-color: var(--kis-accent);
  box-shadow: var(--kis-shadow-md);
  transform: translateY(-4px);
}

.kis-trust-card {
  background: var(--kis-white);
  border: 1px solid var(--kis-border);
  border-left: 4px solid var(--kis-accent);
  border-radius: var(--kis-radius-md);
  padding: 24px;
  transition: var(--kis-transition-base);
}

.kis-trust-card:hover {
  box-shadow: var(--kis-shadow-md);
  transform: translateY(-3px);
}

/* D. Process Step Block */
.kis-process-card {
  border: 1px solid var(--kis-border);
  border-radius: var(--kis-radius-md);
  padding: 28px 24px;
  background: #FFFFFF;
  position: relative;
  transition: var(--kis-transition-base);
}

.kis-process-card:hover {
  border-color: var(--kis-accent);
  box-shadow: var(--kis-shadow-md);
}

.kis-process-number {
  width: 44px;
  height: 44px;
  border-radius: var(--kis-radius-full);
  background: var(--kis-primary);
  color: var(--kis-accent);
  font-family: var(--kis-font-heading);
  font-weight: 800;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

/* E. Breadcrumbs */
.kis-breadcrumbs {
  font-size: 13.5px;
  color: #CBD5E0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.kis-breadcrumbs a {
  color: #CBD5E0;
}

.kis-breadcrumbs a:hover {
  color: var(--kis-accent);
}

.kis-breadcrumbs-current {
  color: var(--kis-accent);
  font-weight: 600;
}

/* F. Empty State & Placeholder */
.kis-empty-state {
  text-align: center;
  padding: 50px 24px;
  background: var(--kis-light-bg);
  border: 1.5px dashed var(--kis-border);
  border-radius: var(--kis-radius-md);
  color: var(--kis-muted);
}

.kis-empty-state h4 {
  color: var(--kis-heading);
  font-size: 18px;
  margin-bottom: 8px;
}

/* G. Quotation CTA Banner */
.kis-cta-banner {
  background: linear-gradient(135deg, #0B192C 0%, #1C2D37 100%);
  color: #FFFFFF;
  border-radius: var(--kis-radius-lg);
  padding: clamp(32px, 5vw, 60px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

/* ==========================================================================
   10. MULTI-STEP RFQ FORM & FLOATING WHATSAPP BUTTON
   ========================================================================== */
.kis-rfq-steps-bar {
  display: flex;
  gap: 12px;
  border-bottom: 2px solid #EDF2F7;
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.kis-step-tab {
  padding: 6px 12px;
  border-radius: 4px;
  transition: var(--kis-transition-fast);
  white-space: nowrap;
}

.kis-step-tab.active {
  background: rgba(242, 140, 40, 0.12);
  color: var(--kis-accent) !important;
}

.kis-form-step {
  animation: kisFadeIn 0.3s ease-in-out;
}

@keyframes kisFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Floating WhatsApp Button */
.kis-floating-whatsapp {
  position: fixed;
  bottom: 26px;
  right: 26px;
  background: #25D366;
  color: #FFFFFF !important;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px 12px 16px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none !important;
  z-index: 9990;
  transition: all 0.25s ease;
}

.kis-floating-whatsapp svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.kis-floating-whatsapp:hover {
  background: #20BA5A;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
  color: #FFFFFF !important;
}

@media (max-width: 768px) {
  .kis-floating-whatsapp span {
    display: none;
  }
  .kis-floating-whatsapp {
    padding: 14px;
    bottom: 20px;
    right: 20px;
    border-radius: 50%;
  }
}

/* ==========================================================================
   11. ACCESSIBILITY (A11Y) & CORE WEB VITALS (CLS) ENHANCEMENTS
   ========================================================================== */

/* A. Horizontal Overflow Containment */
html, body {
  overflow-x: clip;
  max-width: 100vw;
  scroll-behavior: smooth;
}

/* B. Accessible Keyboard Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--kis-primary);
  color: var(--kis-accent) !important;
  padding: 12px 20px;
  font-family: var(--kis-font-heading);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--kis-radius-sm);
  z-index: 100000;
  text-decoration: none !important;
  transition: top 0.2s ease-in-out;
  border: 2px solid var(--kis-accent);
}

.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--kis-accent);
}

/* C. Visible High-Contrast Keyboard Focus Rings */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2.5px solid var(--kis-accent) !important;
  outline-offset: 3px !important;
  border-radius: var(--kis-radius-sm);
}

/* D. Touch Target Sizing (Mobile AAA Requirement >= 48px) */
@media (max-width: 768px) {
  .kis-btn,
  .kis-form-control,
  .kis-offcanvas-nav a,
  .kis-step-tab {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
  }
}

/* E. Responsive Table Wrapper with Touch Scroll */
.kis-table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  border-radius: var(--kis-radius-md);
  border: 1px solid var(--kis-border);
}

/* F. Image Layout Shift (CLS) Prevention */
img {
  max-width: 100%;
  height: auto;
  font-style: italic;
  vertical-align: middle;
  shape-margin: 0.75rem;
}

/* G. Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}