/*
Theme Name: Expert Lab
Theme URI: https://expertlab.shop/
Author: Md Adnan
Author URI: https://expertlab.shop/
Description: Ultra-clean technical dark theme for Expert Lab inspired by enterprise architectural platforms. Pure typography, isometric hardware wireframes, and zero overflow.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: Proprietary
Text Domain: expertlab
*/

/* RESET & ARCHITECTURAL GRID BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
  background-color: #090A0C;
  color: #FFFFFF;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Subtle Isometric Grid Pattern */
body {
  background-color: #090A0C;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
}

:root {
  --el-bg: #090A0C;
  --el-card-bg: #101216;
  --el-card-hover: #14171C;
  --el-border: #1C2026;
  --el-border-light: rgba(255, 255, 255, 0.12);
  --el-text-main: #FFFFFF;
  --el-text-muted: #8E8E93;
  --el-text-dim: #52525B;
  --el-accent-green: #08AB02;
  --el-mint: #C2F8BE;
  --font-mono: 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* TOP STATUS TICKER (MONOSPACE) */
.el-top-ticker {
  border-bottom: 1px solid var(--el-border);
  padding: 10px 5%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--el-text-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(9, 10, 12, 0.95);
  backdrop-filter: blur(8px);
}
.el-top-ticker span {
  color: var(--el-text-muted);
}
.el-ticker-highlight {
  color: var(--el-accent-green) !important;
}
.el-ticker-divider {
  display: none;
}

/* SMOOTH SCROLL & REVEAL ANIMATIONS */
html {
  scroll-behavior: smooth;
}

.el-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.el-reveal.el-revealed {
  opacity: 1;
  transform: translateY(0);
}

.el-reveal-delay-1 {
  transition-delay: 0.12s;
}

.el-reveal-delay-2 {
  transition-delay: 0.24s;
}

.el-reveal-delay-3 {
  transition-delay: 0.36s;
}

/* MAIN NAVBAR */
.el-navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 9999;
  background: rgba(9, 10, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--el-border);
  padding: 18px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}
.el-navbar.scrolled {
  background: rgba(9, 10, 12, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.el-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.el-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 0 !important;
  flex-shrink: 0;
  display: block;
}
.el-logo-text {
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
}

.el-nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.el-nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--el-text-muted);
  transition: color 0.2s ease;
}
.el-nav-links a:hover, .el-nav-links a.active {
  color: #FFFFFF;
}

.el-nav-btn {
  background: #FFFFFF;
  color: #090A0C !important;
  padding: 9px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  border: 1px solid #FFFFFF;
}
.el-nav-btn:hover {
  background: #E4E4E7;
  color: #000000 !important;
}

.el-mobile-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #FFFFFF;
}

/* HERO SECTION (SPLIT 2-COLUMN: TEXT LEFT, ISOMETRIC IPM RIGHT) */
.el-hero-split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 50px;
  padding: 80px 5% 70px;
  text-align: left;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
}

.el-hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.el-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--el-text-muted);
  padding: 6px 14px;
  border: 1px solid var(--el-border);
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 24px;
}

.el-hero-tag-dot {
  width: 6px;
  height: 6px;
  background: var(--el-accent-green);
  border-radius: 50%;
}

.el-hero-split h1 {
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 18px 0;
  max-width: 100%;
  text-align: left;
}

.el-hero-split .el-hero-sub {
  font-size: clamp(15px, 1.25vw, 18px);
  color: var(--el-text-muted);
  line-height: 1.65;
  margin: 0 0 32px 0;
  max-width: 520px;
  text-align: left;
  font-weight: 400;
}

.el-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.el-btn-primary {
  background: var(--el-accent-green);
  color: #000000 !important;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.el-btn-primary:hover {
  background: #09D002;
  box-shadow: 0 0 25px rgba(8, 171, 2, 0.45);
  transform: translateY(-1px);
}

.el-btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.el-btn-secondary:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

/* Hero Visual (Right IPM Module Image - Borderless & Seamless) */
.el-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.el-hero-img-wrap {
  width: 100%;
  max-width: 620px;
  position: relative;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
}

.el-hero-ipm-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: transform 0.4s ease;
}

.el-hero-img-wrap:hover .el-hero-ipm-img {
  transform: translateY(-4px) scale(1.02);
}

/* ==========================================================================
   HOW PFC WORKS SECTION (ACTIVE PFC CHOKE REACTOR TOPOLOGY)
   ========================================================================== */
.el-pfc-section {
  padding: 90px 5% 85px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  border-top: 1px solid var(--el-border);
}

.el-pfc-container {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 60px;
}

.el-pfc-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.el-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--el-text-muted);
  padding: 6px 14px;
  border: 1px solid var(--el-border);
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 22px;
}

.el-pfc-title {
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px 0;
}

.el-pfc-tech-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  width: 100%;
}

.el-tech-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.el-tech-item:hover {
  border-color: rgba(8, 171, 2, 0.4);
  background: rgba(8, 171, 2, 0.035);
  transform: translateX(3px);
}

.el-tech-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--el-accent-green);
  margin-top: 2px;
  flex-shrink: 0;
}

.el-tech-desc {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.el-tech-desc strong {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: #FFFFFF;
}

.el-tech-desc span {
  font-size: 12px;
  color: var(--el-text-muted);
  line-height: 1.45;
}

.el-pfc-tech-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.el-tech-badge {
  background: #0C0D10;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.el-badge-lbl {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--el-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.el-badge-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--el-accent-green);
}
  color: var(--el-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* PFC Visual (Right Column Reactor Image) */
.el-pfc-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.el-pfc-img-wrap {
  width: 100%;
  max-width: 600px;
  position: relative;
  background: transparent;
  border: none;
  box-shadow: none;
}

.el-pfc-reactor-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: transform 0.4s ease;
}

.el-pfc-img-wrap:hover .el-pfc-reactor-img {
  transform: translateY(-4px) scale(1.02);
}

/* Fallback for regular centered el-hero */
.el-hero:not(.el-hero-split) {
  padding: 90px 5% 40px;
  text-align: center;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}
.el-hero:not(.el-hero-split) h1 {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 860px;
  margin: 0 auto 16px;
}
.el-hero:not(.el-hero-split) .el-hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--el-text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
  font-weight: 400;
  line-height: 1.6;
}

/* DUAL COLUMN TRANSITION STATEMENT */
.el-dual-statement {
  max-width: 1100px;
  margin: 0 auto 90px;
  padding: 40px 5%;
  border-top: 1px solid var(--el-border);
  border-bottom: 1px solid var(--el-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.el-dual-statement h3 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #FFFFFF;
}
.el-dual-statement p {
  font-size: 15px;
  color: var(--el-text-muted);
  line-height: 1.7;
}

/* SPLIT ARCHITECTURE SECTION (EXACT REPLICA OF DRIBBLE LAYOUT) */
.el-split-layout {
  max-width: 1100px;
  margin: 0 auto 100px;
  padding: 0 5%;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  align-items: start;
}

/* Left Sticky Category Menu */
.el-sidebar-nav {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.el-sidebar-item {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--el-text-dim);
  padding: 12px 16px;
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: all 0.2s;
}
.el-sidebar-item:hover, .el-sidebar-item.active {
  color: #FFFFFF;
  border-left-color: var(--el-accent-green);
  background: rgba(255, 255, 255, 0.02);
}

/* Right Stacked Showcase Cards */
.el-cards-stream {
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.el-stream-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-border);
  border-radius: 4px;
  padding: 44px;
  position: relative;
  transition: border-color 0.3s;
}
.el-stream-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
}
.el-stream-card h4 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 14px;
}
.el-stream-card p {
  font-size: 15px;
  color: var(--el-text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 24px;
}
.el-stream-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #FFFFFF;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 4px;
  transition: all 0.2s;
}
.el-stream-link:hover {
  color: var(--el-accent-green);
  border-bottom-color: var(--el-accent-green);
}

/* TECHNICAL SPECIFICATION CHIPS */
.el-spec-row {
  max-width: 1100px;
  margin: 0 auto 100px;
  padding: 0 5%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.el-spec-box {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--el-border);
  padding: 24px;
}
.el-spec-box strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--el-text-dim);
  margin-bottom: 8px;
}
.el-spec-box span {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

/* FOUNDER STRIP (MINIMAL MONOSPACE) */
.el-founder-box {
  max-width: 1100px;
  margin: 0 auto 100px;
  padding: 44px;
  background: var(--el-card-bg);
  border: 1px solid var(--el-border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}
.el-founder-info strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.el-founder-info span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--el-accent-green);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.el-founder-quote p {
  font-size: 16px;
  color: var(--el-text-muted);
  line-height: 1.7;
}

/* CTA BANNER */
.el-cta-strip {
  border-top: 1px solid var(--el-border);
  border-bottom: 1px solid var(--el-border);
  padding: 80px 5%;
  text-align: center;
  background: rgba(255, 255, 255, 0.01);
}
.el-cta-strip h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.el-cta-strip p {
  font-size: 16px;
  color: var(--el-text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* BUTTONS */
.el-btn-white {
  background: #FFFFFF;
  color: #090A0C !important;
  padding: 14px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #FFFFFF;
  transition: all 0.2s;
}
.el-btn-white:hover {
  background: #E4E4E7;
  transform: translateY(-1px);
}

.el-btn-outline {
  background: transparent;
  color: #FFFFFF !important;
  padding: 14px 30px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--el-border-light);
  transition: all 0.2s;
}
.el-btn-outline:hover {
  border-color: #FFFFFF;
}

/* MINIMAL FOOTER */
.el-footer {
  border-top: 1px solid var(--el-border);
  padding: 70px 5% 30px;
  background: #090A0C;
}
.el-footer-grid {
  max-width: 1100px;
  margin: 0 auto 50px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.el-footer-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--el-text-dim);
  margin-bottom: 20px;
}
.el-footer-links {
  list-style: none;
}
.el-footer-links li {
  margin-bottom: 12px;
}
.el-footer-links a {
  color: var(--el-text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.el-footer-links a:hover {
  color: #FFFFFF;
}

/* ONLY YOUTUBE, INSTAGRAM, FACEBOOK */
.el-footer-social {
  display: flex;
  align-items: center;
  gap: 12px;
}
.el-footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--el-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--el-text-muted);
  text-decoration: none;
  transition: all 0.2s;
}
.el-footer-social a:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.el-footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid var(--el-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--el-text-dim);
}
.el-footer-bottom a {
  color: var(--el-text-muted);
  text-decoration: none;
}
.el-footer-bottom a:hover {
  color: #FFFFFF;
}

/* FLOATING WHATSAPP */
.el-wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9998;
  width: 52px;
  height: 52px;
  background: #08AB02;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(8, 171, 2, 0.4);
  text-decoration: none;
  transition: transform 0.2s;
}
.el-wa-float:hover {
  transform: scale(1.08);
}

/* SUBPAGE INNER HERO */
.el-inner-hero {
  padding: 90px 5% 50px;
  text-align: center;
  border-bottom: 1px solid var(--el-border);
  max-width: 1100px;
  margin: 0 auto 60px;
}
.el-inner-hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.el-inner-hero p {
  font-size: 16px;
  color: var(--el-text-muted);
  max-width: 650px;
  margin: 0 auto;
}

/* FORM STYLES */
.el-form-ui {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.el-form-ui label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--el-text-dim);
  display: block;
  margin-bottom: 8px;
}
.el-form-ui input, .el-form-ui select, .el-form-ui textarea {
  width: 100%;
  padding: 14px 16px;
  background: #121418;
  border: 1px solid var(--el-border);
  color: #FFFFFF;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.el-form-ui input:focus, .el-form-ui select:focus, .el-form-ui textarea:focus {
  border-color: #FFFFFF;
}

/* MOBILE RESPONSIVE RULES */
@media (max-width: 860px) {
  .el-top-ticker {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 7px 12px;
    font-size: 10px;
    letter-spacing: 0.5px;
    line-height: 1;
  }
  .el-ticker-divider {
    display: inline-block;
    color: var(--el-border);
  }
  .el-mobile-btn {
    display: block;
  }
  .el-nav-links {
    display: none !important;
  }
  .el-nav-btn {
    display: none;
  }

  .el-dual-statement {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .el-split-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .el-sidebar-nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    border-bottom: 1px solid var(--el-border);
    padding-bottom: 12px;
  }
  .el-sidebar-item {
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }
  .el-sidebar-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--el-accent-green);
  }

  .el-spec-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .el-founder-box {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px;
  }

  .el-footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .el-footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* ==========================================================================
   HUD TELEMETRY COCKPIT SECTION (EXACT INSPECT AIRCRAFT SYSTEMS HUD)
   ========================================================================== */
.el-hud-outer-canvas {
  max-width: 1140px;
  margin: 60px auto 100px;
  padding: 44px;
  background: #D6D5DB;
  border-radius: 32px;
  box-sizing: border-box;
}

.el-hud-card {
  background: #060608;
  border-radius: 24px;
  padding: 32px 36px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0px, rgba(255, 255, 255, 0.035) 1px, transparent 1px, transparent 65px);
}

/* Top Navigation Bar */
.el-hud-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}

.el-hud-pill-btn {
  background: #111215;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.el-hud-pill-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
}

.el-hud-tabs-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.el-hud-tab {
  background: #0D0E11;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #8E94A0;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: 6px;
  padding: 6px 13px;
  cursor: pointer;
  text-transform: uppercase;
  position: relative;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.el-hud-tab:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
}

.el-hud-tab.active {
  background: #ECECF0;
  color: #000000;
  font-weight: 700;
  border-color: #ECECF0;
}

.el-hud-tab-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #F59E0B;
  display: inline-block;
}

.el-hud-tab.active .el-hud-tab-dot {
  background: #F59E0B;
}

/* Header & Sub-filter Categories */
.el-hud-header {
  text-align: center;
  margin-bottom: 30px;
}

.el-hud-title {
  font-family: var(--font-sans);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin: 0 0 12px;
}

.el-hud-subfilters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.el-hud-filter-item {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: #4E5360;
  transition: color 0.2s;
  cursor: pointer;
}

.el-hud-filter-item:hover {
  color: #8E94A0;
}

.el-hud-filter-item.active {
  color: #FFFFFF;
  font-weight: 600;
}

/* 3-Column Cockpit Layout */
.el-hud-grid {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

/* Left Column */
.el-hud-col-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-left: 10px;
}

.el-hud-temp-display {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
  line-height: 1;
}

.el-hud-temp-num {
  font-family: var(--font-sans);
  font-size: clamp(56px, 5.5vw, 76px);
  font-weight: 400;
  color: #FFFFFF;
  letter-spacing: -2px;
}

.el-hud-temp-deg {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 300;
  color: #FFFFFF;
  margin-left: 2px;
  top: 0;
}

.el-hud-action-btn {
  background: #111215;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #E5E7EB;
  border-radius: 6px;
  padding: 7px 16px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.el-hud-action-btn:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

/* Center Column (Turbine) */
.el-hud-col-center {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.el-turbine-svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Right Column (2x2 Matrix) */
.el-hud-col-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 20px;
}

.el-hud-metric-cell {
  display: flex;
  flex-direction: column;
}

.el-hud-cell-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  color: #727785;
  margin-bottom: 6px;
}

.el-hud-cell-val {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.3;
}

/* Bottom Floating Yellow Alert Banner */
.el-hud-alert-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 10px;
}

.el-hud-yellow-banner {
  background: #F4C55B;
  color: #000000;
  border-radius: 999px;
  padding: 7px 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 16px rgba(244, 197, 91, 0.25);
  max-width: 100%;
}

.el-hud-banner-icon {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #000000;
  color: #F4C55B;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  flex-shrink: 0;
}

.el-hud-banner-text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: #000000;
  line-height: 1.4;
  letter-spacing: -0.1px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .el-hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 5% 40px;
    text-align: center;
  }
  .el-hero-content {
    align-items: center;
  }
  .el-hero-split h1 {
    text-align: center;
  }
  .el-hero-split .el-hero-sub {
    text-align: center;
  }
  .el-hero-actions {
    justify-content: center;
  }
  .el-pfc-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .el-pfc-content {
    align-items: center;
    text-align: center;
  }
  .el-pfc-lead {
    text-align: center;
  }
  .el-pfc-step {
    text-align: left;
  }
  .el-pfc-metrics {
    justify-content: center;
  }
  .el-hud-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .el-hud-col-left {
    align-items: center;
    padding-left: 0;
  }
  .el-hud-col-right {
    max-width: 480px;
    margin: 0 auto;
    text-align: left;
  }
  .el-hud-outer-canvas {
    padding: 24px 16px;
    margin: 40px 12px;
    border-radius: 24px;
  }
}

@media (max-width: 640px) {
  .el-hero-split {
    padding: 40px 5% 30px;
    gap: 30px;
  }
  .el-hero-actions {
    width: 100%;
    flex-direction: column;
  }
  .el-btn-primary, .el-btn-secondary {
    width: 100%;
  }
  .el-pfc-section {
    padding: 60px 5% 50px;
  }
  .el-pfc-tech-badges {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .el-hud-topbar {
    flex-direction: column;
    gap: 12px;
  }
  .el-hud-tabs-wrap {
    overflow-x: auto;
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 6px;
    flex-wrap: nowrap;
  }
  .el-hud-card {
    padding: 24px 16px 20px;
  }
  .el-hud-col-right {
    grid-template-columns: 1fr;
  }
  .el-hud-yellow-banner {
    border-radius: 12px;
    padding: 10px 14px;
  }
}

/* ==========================================================================
   FULL SIZE RIGHT SLIDE-IN MOBILE DRAWER
   ========================================================================== */
.el-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 99998;
}

.el-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.el-mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  height: 100vh;
  height: 100dvh;
  background: #08090C;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.85);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.38s;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.el-mobile-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

body.el-no-scroll {
  overflow: hidden !important;
}

.el-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--el-border);
  background: rgba(8, 9, 12, 0.95);
  position: sticky;
  top: 0;
  z-index: 2;
}

.el-drawer-close {
  background: #111317;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.el-drawer-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  color: var(--el-accent-green);
}

.el-drawer-body {
  padding: 28px 24px 36px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.el-drawer-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--el-text-dim);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.el-drawer-nav {
  list-style: none;
  margin: 0 0 32px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.el-drawer-nav li a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 12px;
  border-radius: 6px;
  color: #FFFFFF;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: all 0.2s ease;
}

.el-drawer-nav li a:hover {
  background: rgba(255, 255, 255, 0.04);
  padding-left: 18px;
  color: var(--el-accent-green);
}

.el-nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--el-accent-green);
  opacity: 0.85;
}

.el-nav-title {
  color: inherit;
}

.el-drawer-cta {
  margin-bottom: 32px;
}

.el-drawer-contact {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--el-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.el-contact-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.el-line-lbl {
  color: var(--el-text-dim);
}

.el-contact-line a, .el-contact-line span {
  color: var(--el-text-muted);
  text-decoration: none;
}

.el-contact-line a:hover {
  color: #FFFFFF;
}

@media (max-width: 480px) {
  .el-mobile-drawer {
    max-width: 100%;
  }
}