/* ==========================================================================
   spdigitworld - Master 3D/4D High-Tech Design System & Core Stylesheet
   Design Language: Ultra-Premium Blue-Tech Editorial & 3D Interactive Cyber-Glass
   Palette: Deep Navy (#051026, #081A3D), Electric Blue (#1C8BDB), Cyber Gold (#F4B942)
   ========================================================================== */

:root {
  --color-primary: #081A3D;
  --color-primary-dark: #030A19;
  --color-primary-deep: #051026;
  --color-primary-navy: #0B2F78;
  --color-accent-blue: #1C8BDB;
  --color-accent-blue-hover: #1676BC;
  --color-accent-blue-glow: rgba(28, 139, 219, 0.45);
  --color-accent-gold: #F4B942;
  --color-accent-gold-hover: #E2A632;
  --color-accent-gold-glow: rgba(244, 185, 66, 0.4);
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5D;
  
  --color-bg-page: #F8FAFC;
  --color-bg-surface: #FFFFFF;
  --color-bg-surface-subtle: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-subtle: #EDF2F7;
  
  --color-text-main: #0F172A;
  --color-text-muted: #475569;
  --color-text-light: #94A3B8;
  --color-text-inverse: #FFFFFF;
  
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --container-max-width: 1260px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(5, 16, 38, 0.06);
  --shadow-md: 0 12px 32px -8px rgba(5, 16, 38, 0.1);
  --shadow-lg: 0 24px 60px -12px rgba(5, 16, 38, 0.16);
  --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.35), 0 0 30px rgba(28, 139, 219, 0.2);
  --shadow-glow: 0 0 35px rgba(28, 139, 219, 0.35);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--color-bg-page);
}

img, svg, picture, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-accent-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top var(--transition-fast);
  box-shadow: var(--shadow-glow);
}
.skip-link:focus {
  top: 20px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.3rem, 4.5vw + 1rem, 4.2rem); line-height: 1.1; }
h2 { font-size: clamp(1.85rem, 2.8vw + 0.5rem, 2.75rem); }
h3 { font-size: clamp(1.3rem, 1.8vw + 0.5rem, 1.8rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--color-text-muted);
  line-height: 1.75;
}

p.lead {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* 3D Glass & Gradient Badges */
.badge-3d {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(28, 139, 219, 0.12);
  border: 1px solid rgba(28, 139, 219, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: #7DD3FC;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(28, 139, 219, 0.2);
}

.badge-3d .pulse-dot {
  width: 9px;
  height: 9px;
  background: var(--color-accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-accent-gold);
  animation: pulseGold 2s infinite ease-in-out;
}

@keyframes pulseGold {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

/* High-Tech 3D Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 3px solid rgba(28, 139, 219, 0.6);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, #1C8BDB 0%, #0B2F78 100%);
  color: #FFFFFF;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 8px 24px -4px rgba(28, 139, 219, 0.45);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #38BDF8 0%, #1C8BDB 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(28, 139, 219, 0.6);
  color: #FFFFFF;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
  color: #FFFFFF;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 24px -4px rgba(37, 211, 102, 0.4);
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2EE070 0%, #25D366 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
  background: rgba(28, 139, 219, 0.05);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

/* 3D Card Hover Perspective */
.card-3d-tilt {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

/* Header & Sticky Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
  background: rgba(5, 16, 38, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header.scrolled {
  background: rgba(5, 16, 38, 0.95);
  padding: 12px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-bottom-color: rgba(28, 139, 219, 0.25);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  color: #E2E8F0;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-gold));
  transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-dropdown {
  position: relative;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: -20px;
  background: #051026;
  border: 1px solid rgba(28, 139, 219, 0.3);
  border-radius: var(--radius-md);
  padding: 14px;
  min-width: 280px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 25px rgba(28, 139, 219, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 6px;
  backdrop-filter: blur(20px);
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  color: #CBD5E1;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dropdown-item:hover {
  background: rgba(28, 139, 219, 0.2);
  color: #FFFFFF;
  padding-left: 18px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px 12px;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 74px;
  left: 0;
  width: 100%;
  height: calc(100vh - 74px);
  background: rgba(5, 16, 38, 0.98);
  backdrop-filter: blur(24px);
  padding: 24px;
  overflow-y: auto;
  z-index: 999;
}
.mobile-nav-drawer.open {
  display: block;
}
.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mobile-nav-link {
  color: #F1F5F9;
  font-size: 1.15rem;
  font-weight: 700;
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   01 — HERO / BANNER SECTION (Cyber-Grid & Particle HUD)
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 50% 20%, #0B2F78 0%, #081A3D 45%, #051026 100%);
  color: #FFFFFF;
  padding-top: 160px;
  padding-bottom: 110px;
  overflow: hidden;
}

#hero-particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

.hero-glow-orb-1 {
  position: absolute;
  top: 5%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(28, 139, 219, 0.3) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-orb-2 {
  position: absolute;
  bottom: 0%;
  right: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(244, 185, 66, 0.2) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-title {
  color: #FFFFFF;
  margin-bottom: 22px;
  line-height: 1.12;
}
.hero-title .highlight-blue {
  background: linear-gradient(90deg, #38BDF8 0%, #1C8BDB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-title .highlight-gold {
  background: linear-gradient(90deg, #F4B942 0%, #E29410 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.22rem;
  line-height: 1.75;
  color: #CBD5E1;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-proof-row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.proof-stars {
  color: var(--color-accent-gold);
  font-size: 1.15rem;
}
.proof-text strong {
  color: #FFFFFF;
  display: block;
  font-size: 0.95rem;
}
.proof-text span {
  font-size: 0.8rem;
  color: #94A3B8;
}

/* 3D Hero Visual Container */
.hero-3d-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(28, 139, 219, 0.35);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-3d);
}

.hero-3d-visual-card img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.floating-3d-badge {
  position: absolute;
  bottom: 30px;
  left: -25px;
  background: rgba(5, 16, 38, 0.95);
  border: 1px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 20px var(--color-accent-gold-glow);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 20;
  animation: floatBadge 3.5s ease-in-out infinite alternate;
}

@keyframes floatBadge {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

/* ==========================================================================
   02 — FOUNDER INTRO SECTION ("Mera Intro Rhega")
   ========================================================================== */
.founder-intro-section {
  position: relative;
  background: linear-gradient(180deg, #051026 0%, #081A3D 50%, #0B2F78 100%);
  color: #FFFFFF;
  padding: 100px 0;
  border-top: 1px solid rgba(28, 139, 219, 0.25);
  border-bottom: 1px solid rgba(28, 139, 219, 0.25);
  overflow: hidden;
}

.founder-intro-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: center;
}

.founder-3d-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(244, 185, 66, 0.4);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(244, 185, 66, 0.2);
}

.founder-3d-frame img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.founder-3d-frame:hover img {
  transform: scale(1.03);
}

.founder-award-banner {
  position: absolute;
  bottom: 24px;
  left: 20px;
  right: 20px;
  background: rgba(5, 16, 38, 0.92);
  border: 1px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  backdrop-filter: blur(14px);
}
.founder-award-banner strong {
  color: var(--color-accent-gold);
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.founder-award-banner span {
  color: #CBD5E1;
  font-size: 0.88rem;
}

.founder-content h2 {
  color: #FFFFFF;
  margin-bottom: 8px;
}
.founder-title-tag {
  color: var(--color-accent-blue);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: block;
}

.founder-bio-text {
  color: #CBD5E1;
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.founder-quote-box {
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--color-accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  font-style: italic;
  color: #F8FAFC;
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ==========================================================================
   03 — CORE SERVICES WITH 3D PRODUCT PHOTOS ("Fir Services")
   ========================================================================== */
.services-section {
  padding: 100px 0;
  background: #F8FAFC;
}

.service-3d-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.service-3d-card:hover {
  transform: translateY(-8px);
  border-color: rgba(28, 139, 219, 0.5);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(28, 139, 219, 0.15);
}

.service-mockup-wrapper {
  position: relative;
  background: #051026;
  height: 220px;
  overflow: hidden;
}
.service-mockup-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.service-3d-card:hover .service-mockup-wrapper img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.service-card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: var(--color-primary);
}
.service-card-body p {
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-outcome-box {
  background: var(--color-bg-page);
  border-left: 3px solid var(--color-accent-blue);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary-navy);
  margin-bottom: 20px;
}

/* Proof Strip */
.proof-strip {
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 36px 0;
}
.proof-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.proof-metric-box h3 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary-navy);
  margin-bottom: 4px;
}
.proof-metric-box p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Client Logos Bar */
.clients-bar {
  padding: 28px 0;
  background: #F1F5F9;
  border-bottom: 1px solid var(--color-border);
}
.clients-bar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.client-logo-item {
  height: 42px;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all var(--transition-fast);
}
.client-logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* Sections Common */
.section {
  padding: 100px 0;
}
.section-alt {
  background: #FFFFFF;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 12px;
}
.section-title {
  margin-bottom: 18px;
}
.section-desc {
  font-size: 1.15rem;
}

/* Solve Cards */
.solve-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.solve-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.solve-card:hover {
  border-color: var(--color-accent-blue);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.solve-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(28, 139, 219, 0.1);
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

/* Industry Grid */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.industry-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: all var(--transition-normal);
  display: block;
}
.industry-card:hover {
  background: #051026;
  border-color: #051026;
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.industry-card:hover h3 { color: #FFFFFF; }
.industry-card:hover p { color: #CBD5E1; }

/* Case Studies Cards */
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.cs-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.cs-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(28, 139, 219, 0.45);
}
.cs-header {
  padding: 26px 26px 18px;
  border-bottom: 1px solid var(--color-border-subtle);
}
.cs-tag {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  letter-spacing: 0.5px;
}
.cs-body {
  padding: 22px 26px;
  flex-grow: 1;
}

/* Local Growth Coverage Map */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.coverage-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: all var(--transition-normal);
}
.coverage-card.headquarters {
  border-color: var(--color-accent-blue);
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(28, 139, 219, 0.06) 100%);
}
.hq-badge {
  display: inline-block;
  background: var(--color-primary-navy);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

/* FAQ Accordion */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}
.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.faq-icon {
  font-size: 1.4rem;
  color: var(--color-accent-blue);
  transition: transform var(--transition-fast);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 26px 24px;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.faq-item.open .faq-answer {
  display: block;
}

/* Final Conversion CTA Block */
.final-cta-section {
  background: radial-gradient(circle at 50% 50%, #081A3D 0%, #051026 100%);
  color: #FFFFFF;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(28, 139, 219, 0.3);
}
.final-cta-box {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}
.final-cta-title {
  color: #FFFFFF;
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  margin-bottom: 20px;
}
.final-cta-desc {
  font-size: 1.2rem;
  color: #CBD5E1;
  margin-bottom: 40px;
}

/* Footer */
.site-footer {
  background: #030A19;
  color: #94A3B8;
  padding: 90px 0 35px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.94rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}
.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a:hover {
  color: #FFFFFF;
  padding-left: 6px;
}
.footer-nap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  line-height: 1.65;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
}
.footer-legal-links {
  display: flex;
  gap: 20px;
}

/* Subpage Hero */
.page-hero {
  background: radial-gradient(circle at 50% 20%, #0B2F78 0%, #051026 100%);
  color: #FFFFFF;
  padding: 160px 0 70px;
}
.page-hero h1 {
  color: #FFFFFF;
  margin-bottom: 18px;
}

/* Service Detail 12-Module Components */
.quick-answer-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(28, 139, 219, 0.35);
  border-left: 6px solid var(--color-accent-blue);
  border-radius: var(--radius-md);
  padding: 26px 30px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 50px;
}
.quick-answer-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary-navy);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.who-for-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 50px;
}
.who-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.who-box.perfect { border-top: 4px solid #10B981; }
.who-box.not-for { border-top: 4px solid #EF4444; }

.process-steps-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  margin-bottom: 50px;
}
.process-step-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}
.step-num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(28, 139, 219, 0.25);
  margin-bottom: 10px;
}

/* ========================================================
   RESPONSIVE DESIGN SYSTEM & MOBILE ARCHITECTURE (< 768px & < 480px)
   ======================================================== */

/* Prevent horizontal overflow on all screen sizes */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

*, *::before, *::after {
  box-sizing: border-box;
}

img, svg, video {
  max-width: 100%;
  height: auto;
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .founder-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .solve-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process-steps-list { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-suite-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  body {
    padding-bottom: 72px !important; /* Safety clearance for sticky mobile dock */
  }

  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
    max-width: 100% !important;
  }

  /* Mobile Typography */
  h1 {
    font-size: clamp(1.85rem, 7.5vw, 2.35rem) !important;
    line-height: 1.18 !important;
    letter-spacing: -0.5px !important;
  }

  h2, .section-title {
    font-size: clamp(1.45rem, 6vw, 1.9rem) !important;
    line-height: 1.25 !important;
  }

  h3 {
    font-size: 1.2rem !important;
    line-height: 1.3 !important;
  }

  p.lead {
    font-size: 1rem !important;
    line-height: 1.55 !important;
  }

  .section {
    padding: 48px 0 !important;
  }

  .section-header {
    margin-bottom: 28px !important;
    text-align: left !important;
  }

  /* Header on Mobile */
  .site-header {
    padding: 10px 0 !important;
    background: rgba(5, 16, 38, 0.94) !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
  }

  .header-container {
    padding: 0 16px !important;
  }

  .logo-wrapper {
    gap: 10px !important;
  }

  .logo-wrapper img {
    width: 38px !important;
    height: 38px !important;
    border-radius: 8px !important;
  }

  .logo-wrapper span:first-child {
    font-size: 1.15rem !important;
  }

  .logo-wrapper span:last-child {
    font-size: 0.58rem !important;
    letter-spacing: 1px !important;
  }

  .nav-desktop, .header-cta-btn {
    display: none !important;
  }

  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  .header-actions .btn-whatsapp {
    padding: 6px 12px !important;
    font-size: 0.78rem !important;
    border-radius: 8px !important;
  }

  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(0, 210, 255, 0.4);
    border-radius: 10px;
    color: #FFFFFF;
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
  }

  /* Mobile Full-Screen Drawer Navigation */
  .mobile-nav-drawer {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: radial-gradient(circle at 80% 20%, #0B2554 0%, #040C1E 100%) !important;
    z-index: 999999 !important;
    padding: 20px 20px 60px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.3s;
  }

  .mobile-nav-drawer.open {
    transform: translateX(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-drawer-close {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

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

  .mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
    border-radius: 10px;
    color: #E2E8F0;
    text-decoration: none;
    font-size: 0.98rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    transition: all 0.2s ease;
  }

  .mobile-nav-link:active {
    background: rgba(0, 210, 255, 0.15);
    border-color: rgba(0, 210, 255, 0.4);
    color: #00D2FF;
  }

  /* Hero on Mobile */
  .hero {
    padding: 105px 0 45px !important;
  }

  .page-hero {
    padding: 105px 0 40px !important;
  }

  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .hero-3d-visual-card {
    height: auto !important;
    max-height: 270px !important;
  }

  .hero-3d-visual-card img {
    height: 230px !important;
    object-fit: contain !important;
  }

  .floating-3d-badge {
    bottom: 10px !important;
    right: 10px !important;
    padding: 8px 12px !important;
    font-size: 0.74rem !important;
  }

  .floating-3d-badge img {
    width: 28px !important;
    height: 28px !important;
  }

  .proof-strip-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .proof-item {
    padding: 16px 10px !important;
  }

  .proof-stat {
    font-size: 1.6rem !important;
  }

  /* Founder Intro on Mobile */
  .founder-intro-section {
    padding: 48px 0 !important;
  }

  .founder-intro-grid {
    grid-template-columns: 1fr !important;
    gap: 26px !important;
  }

  .founder-3d-frame {
    max-width: 290px;
    margin: 0 auto;
  }

  .founder-awards-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .founder-award-floating-badge {
    position: static !important;
    width: 100% !important;
    margin-top: 12px;
    box-sizing: border-box;
  }

  .founder-quote-box {
    padding: 14px 16px !important;
    font-size: 0.92rem !important;
  }

  /* Services Grid on Mobile */
  .services-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .service-mockup-wrapper {
    height: 175px !important;
  }

  .service-card-body {
    padding: 18px 16px !important;
  }

  /* Category Filter Swipe Bar */
  .category-filter-nav {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    justify-content: flex-start !important;
    padding: 4px 16px 12px !important;
    margin-left: -16px;
    margin-right: -16px;
    gap: 8px !important;
    scrollbar-width: none;
  }

  .category-filter-nav::-webkit-scrollbar {
    display: none;
  }

  .filter-tab-btn {
    flex-shrink: 0 !important;
    scroll-snap-align: start;
    padding: 8px 16px !important;
    font-size: 0.82rem !important;
    white-space: nowrap !important;
  }

  /* Service Detail Product Suite on Mobile */
  .product-suite-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .product-deliverable-card > div:first-child {
    height: 165px !important;
  }

  /* 2-column grids become 1-column on mobile */
  .industry-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .solve-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .coverage-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .who-for-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .process-steps-list { grid-template-columns: 1fr !important; gap: 12px !important; }

  /* Scope & checklist grids */
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns: 1.1fr 0.9fr"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Forms & Buttons on Mobile */
  input, select, textarea {
    font-size: 16px !important; /* Prevents iOS auto-zoom */
    padding: 13px 15px !important;
    border-radius: 10px !important;
  }

  .btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .btn-lg {
    padding: 13px 20px !important;
    font-size: 0.95rem !important;
    width: 100% !important;
  }

  [style*="display:flex; gap:16px; flex-wrap:wrap;"] {
    flex-direction: column !important;
  }

  /* Footer on Mobile */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 30px !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 14px !important;
  }

  .footer-legal-links {
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 12px 16px !important;
  }

  /* Sticky Mobile Bottom Quick Action Dock */
  .mobile-bottom-dock {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    background: rgba(4, 12, 28, 0.95) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-top: 1px solid rgba(0, 210, 255, 0.35) !important;
    box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.6) !important;
    z-index: 9999 !important;
    padding: 7px 12px calc(7px + env(safe-area-inset-bottom, 0px)) !important;
    gap: 8px !important;
  }

  .dock-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 7px 4px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    transition: transform 0.15s ease;
  }

  .dock-action-btn:active {
    transform: scale(0.96);
  }

  .dock-call {
    background: rgba(28, 139, 219, 0.15);
    border: 1px solid rgba(28, 139, 219, 0.4);
    color: #7DD3FC;
  }

  .dock-wa {
    background: rgba(37, 211, 102, 0.18);
    border: 1px solid rgba(37, 211, 102, 0.45);
    color: #25D366;
  }

  .dock-audit {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #051026;
    font-weight: 800;
  }

  .dock-icon {
    font-size: 1.15rem;
    line-height: 1;
    margin-bottom: 2px;
  }

  /* Lead Form & Contact Grids on Mobile */
  .form-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .lead-form-card {
    padding: 24px 18px !important;
    border-radius: 16px !important;
  }

  /* Two Column General Layouts */
  [style*="grid-template-columns: 1.2fr 0.8fr"],
  .contact-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }

  /* Case Study Cards on Mobile */
  .case-study-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .cs-header, .cs-body {
    padding: 18px 18px !important;
  }

  /* Clients Bar on Mobile */
  .clients-bar-wrap {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 16px !important;
    text-align: center !important;
  }

  .client-logo-item {
    height: 32px !important;
    width: auto !important;
  }
}

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

/* 3D Service Cards, Floating Product Icons & Visual Mockups */
.service-3d-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
}

.service-3d-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(11, 47, 120, 0.15), 0 0 25px rgba(0, 210, 255, 0.2);
  border-color: rgba(0, 210, 255, 0.5);
}

.service-mockup-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  background: #040C1E;
  overflow: hidden;
}

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

.service-3d-card:hover .service-mockup-wrapper img {
  transform: scale(1.05);
}

.service-floating-icon {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(5, 16, 38, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 210, 255, 0.4);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
  z-index: 2;
}

.service-3d-card:hover .service-floating-icon {
  transform: scale(1.1) rotate(-4deg);
}

.service-card-body {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.service-card-body h3 {
  font-size: 1.25rem;
  margin: 6px 0 10px;
  color: var(--color-primary-navy);
}

.service-outcome-box {
  background: var(--color-bg-page);
  border-left: 3px solid var(--color-accent-blue);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #334155;
  margin: 14px 0 18px;
}

/* Category Filter Tabs */
.category-filter-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tab-btn {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-tab-btn:hover, .filter-tab-btn.active {
  background: var(--color-primary-navy);
  color: #FFFFFF;
  border-color: var(--color-primary-navy);
  box-shadow: 0 4px 15px rgba(8, 26, 61, 0.2);
}

/* Product Suite Grid in Service Detail */
.product-suite-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 40px;
}

.product-deliverable-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.product-deliverable-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 210, 255, 0.25) !important;
}

@media (max-width: 1024px) {
  .product-suite-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .product-suite-grid { grid-template-columns: 1fr; }
}