/* ==========================================================================
   ZAINFOLIO — Ultra-Modern Liquid Glass & 3D Spatial Cybersecurity Portfolio
   Color Hierarchy: Pure White (#ffffff), Deep Carbon (#0c0e12), Crimson Red (#ff2a3b)
   ========================================================================== */

:root {
  /* Core Chromatic Palette */
  --color-white: #ffffff;
  --color-bg-base: #f7f8fa;
  --color-carbon-900: #0c0e12;
  --color-carbon-700: #1e2229;
  --color-carbon-500: #4a5160;
  --color-carbon-400: #7b8494;

  --color-crimson: #ff2a3b;
  --color-crimson-hover: #e51325;
  --color-crimson-glow: rgba(255, 42, 59, 0.45);
  --color-crimson-subtle: rgba(255, 42, 59, 0.08);

  /* True Liquid Glass Specular System (GPU Accelerated & Optimized) */
  --liquid-glass-bg: rgba(255, 255, 255, 0.88);
  --liquid-glass-bg-hover: rgba(255, 255, 255, 0.95);
  --liquid-glass-blur: blur(8px);
  
  --liquid-glass-border: rgba(255, 255, 255, 0.85);
  --liquid-glass-border-subtle: rgba(12, 14, 18, 0.08);
  
  --liquid-glass-shadow: 
    0 24px 60px -15px rgba(12, 14, 18, 0.09),
    0 8px 24px -6px rgba(12, 14, 18, 0.05),
    inset 0 2px 2px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1.5px 2px 0 rgba(0, 0, 0, 0.04);

  --liquid-glass-shadow-hover: 
    0 35px 80px -18px rgba(12, 14, 18, 0.16),
    0 16px 36px -8px rgba(255, 42, 59, 0.18),
    inset 0 2.5px 2px 0 rgba(255, 255, 255, 1),
    inset 0 -1.5px 2px 0 rgba(0, 0, 0, 0.04);

  /* Geometry & Physics */
  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --radius-pill: 9999px;

  --ease-elastic: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

/* Automatic High-Speed Fallback for Low-Spec Hardware & Reduced Motion */
body.perf-lite {
  --liquid-glass-bg: rgba(255, 255, 255, 0.96);
  --liquid-glass-bg-hover: #ffffff;
  --liquid-glass-blur: none;
}

body.perf-lite .navbar-glass,
body.perf-lite .hero-3d-card,
body.perf-lite .card-glass-body,
body.perf-lite .footer-glass {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-carbon-900);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ==========================================================================
   Dynamic Liquid Fluid Simulation Canvas (Adaptive FPS Interactive Physics)
   ========================================================================== */
.liquid-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
}

/* Ambient Glow & Prismatic Background Refraction Layers */
.light-refraction-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transform: translateZ(0);
}

.glow-red {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle at center, rgba(255, 42, 59, 0.14) 0%, rgba(255, 42, 59, 0.03) 45%, transparent 70%);
  top: -150px;
  right: -100px;
}

.glow-white {
  width: 750px;
  height: 750px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.92) 0%, rgba(235, 240, 250, 0.3) 45%, transparent 75%);
  bottom: -150px;
  left: -200px;
}

.glow-dark {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at center, rgba(12, 14, 18, 0.05) 0%, transparent 65%);
  top: 40%;
  left: 30%;
}

.cyber-grid-mesh {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(12, 14, 18, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(12, 14, 18, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ==========================================================================
   Viewport Wrapper
   ========================================================================== */
.viewport-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 28px 80px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  perspective: 1400px;
}

/* ==========================================================================
   Liquid Glass Navigation
   ========================================================================== */
.navbar-glass {
  position: relative;
  background: var(--liquid-glass-bg);
  backdrop-filter: var(--liquid-glass-blur);
  -webkit-backdrop-filter: var(--liquid-glass-blur);
  border: 1px solid var(--liquid-glass-border);
  box-shadow: var(--liquid-glass-shadow);
  border-radius: var(--radius-pill);
  padding: 14px 28px;
  transition: all 0.4s var(--ease-elastic);
  overflow: hidden;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-badge {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--color-carbon-900);
  line-height: 1;
  letter-spacing: -0.04em;
}

.dot-crimson {
  color: var(--color-crimson);
  text-shadow: 0 0 12px var(--color-crimson-glow);
}

.brand-text {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--color-carbon-700);
}

.security-status-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--liquid-glass-border-subtle);
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-carbon-700);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.pulse-beacon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-crimson);
  box-shadow: 0 0 0 0 var(--color-crimson-glow);
  animation: beaconPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes beaconPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 42, 59, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(255, 42, 59, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 42, 59, 0); }
}

.glass-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-carbon-900);
  color: var(--color-white);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s var(--ease-elastic);
  box-shadow: 0 4px 14px rgba(12, 14, 18, 0.15);
}

.glass-pill-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease-elastic);
}

.glass-pill-btn:hover {
  background: var(--color-crimson);
  box-shadow: 0 6px 20px var(--color-crimson-glow);
  transform: translateY(-2px);
}

.glass-pill-btn:hover svg {
  transform: scale(1.12);
}

/* ==========================================================================
   3D HERO PROFILE SECTION WITH SPATIAL DEPTH
   ========================================================================== */
.hero-3d-card {
  position: relative;
  background: var(--liquid-glass-bg);
  backdrop-filter: var(--liquid-glass-blur);
  -webkit-backdrop-filter: var(--liquid-glass-blur);
  border: 1px solid var(--liquid-glass-border);
  box-shadow: var(--liquid-glass-shadow);
  border-radius: var(--radius-lg);
  padding: 34px 38px;
  transform-style: preserve-3d;
  transition: box-shadow 0.3s var(--ease-elastic);
  overflow: hidden;
}

.hero-3d-card:hover {
  box-shadow: var(--liquid-glass-shadow-hover);
}

.hero-glass-plane {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 36px;
  transform-style: preserve-3d;
}

/* 3D Gyroscopic Avatar Stage */
.avatar-stage-3d {
  position: relative;
  width: 145px;
  height: 145px;
  flex-shrink: 0;
  transform-style: preserve-3d;
  transform: translateZ(40px);
}

.liquid-gyro-ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 42, 59, 0.4);
  pointer-events: none;
  animation: gyroSpin 14s linear infinite;
}

.ring-2 {
  inset: -18px;
  border: 1.5px solid rgba(12, 14, 18, 0.08);
  border-top-color: var(--color-crimson);
  animation-duration: 22s;
  animation-direction: reverse;
}

@keyframes gyroSpin {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.04); }
  100% { transform: rotate(360deg) scale(1); }
}

.avatar-glass-lens {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: #ffffff;
  border: 4px solid #ffffff;
  box-shadow: 
    0 16px 36px -8px rgba(12, 14, 18, 0.18),
    inset 0 0 20px rgba(255, 42, 59, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-spring);
}

.avatar-stage-3d:hover .avatar-glass-lens {
  transform: scale(1.06) translateZ(20px);
}

.avatar-graphic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transition: transform 0.4s ease;
}

/* Floating 3D Badge */
.floating-badge-3d {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 42px;
  height: 42px;
  background: var(--color-crimson);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3.5px solid var(--color-white);
  box-shadow: 0 8px 20px var(--color-crimson-glow);
  transform: translateZ(60px);
  transition: transform 0.3s var(--ease-spring);
}

.floating-badge-3d svg {
  width: 20px;
  height: 20px;
}

.avatar-stage-3d:hover .floating-badge-3d {
  transform: translateZ(75px) scale(1.12);
}

/* 3D Profile Content Details */
.hero-details-3d {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform-style: preserve-3d;
}

.depth-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-crimson-subtle);
  border: 1px solid rgba(255, 42, 59, 0.2);
  color: var(--color-crimson);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  transform: translateZ(30px);
  box-shadow: 0 4px 12px rgba(255, 42, 59, 0.08);
}

.flashing-red-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-crimson);
  box-shadow: 0 0 8px var(--color-crimson);
}

.hero-title-3d {
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--color-carbon-900);
  transform: translateZ(45px);
}

.text-gradient-crimson {
  background: linear-gradient(135deg, var(--color-carbon-900) 20%, var(--color-crimson) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-bio-3d {
  font-size: 0.98rem;
  color: var(--color-carbon-500);
  line-height: 1.6;
  max-width: 660px;
  transform: translateZ(25px);
}

.text-glow {
  color: var(--color-carbon-900);
  font-weight: 800;
}

.hero-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
  transform: translateZ(35px);
}

.tech-chip {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-carbon-700);
  background: rgba(255, 255, 255, 0.9);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--liquid-glass-border-subtle);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
  transition: all 0.25s var(--ease-elastic);
}

.tech-chip:hover {
  background: var(--color-carbon-900);
  color: var(--color-white);
  border-color: var(--color-carbon-900);
  transform: translateY(-2px);
}

/* Hero Action Bar & Social Links */
.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
  transform: translateZ(42px);
  flex-wrap: wrap;
}

.hero-cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--color-carbon-900);
  color: var(--color-white);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(12, 14, 18, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.25s var(--ease-elastic);
  position: relative;
  overflow: hidden;
}

.hero-cv-btn .btn-icon {
  width: 16px;
  height: 16px;
  transition: transform 0.25s var(--ease-spring);
}

.hero-cv-btn:hover {
  background: var(--color-crimson);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px var(--color-crimson-glow);
  border-color: rgba(255, 255, 255, 0.35);
}

.hero-cv-btn:hover .btn-icon {
  transform: translateY(2px);
}

.hero-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-carbon-900);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(12, 14, 18, 0.06);
  border: 1px solid rgba(255, 42, 59, 0.28);
  transition: all 0.25s var(--ease-elastic);
  position: relative;
}

.hero-store-btn .btn-icon {
  width: 16px;
  height: 16px;
  color: var(--color-crimson);
  transition: transform 0.25s var(--ease-spring), color 0.25s ease;
}

.hero-store-btn:hover {
  background: var(--color-crimson);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px var(--color-crimson-glow);
  border-color: var(--color-crimson);
}

.hero-store-btn:hover .btn-icon {
  color: var(--color-white);
  transform: scale(1.1);
}

.hero-social-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-carbon-700);
  border: 1px solid var(--liquid-glass-border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  text-decoration: none;
  transition: all 0.25s var(--ease-elastic);
  position: relative;
}

.social-icon-btn svg {
  width: 17px;
  height: 17px;
  transition: transform 0.25s var(--ease-spring);
}

.social-icon-btn:hover {
  background: var(--color-carbon-900);
  color: var(--color-white);
  border-color: var(--color-carbon-900);
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 18px rgba(12, 14, 18, 0.2);
}

.social-icon-btn:hover svg {
  transform: scale(1.1);
}

.social-icon-btn:active {
  transform: translateY(0) scale(0.96);
}

/* Glass Specular Glare & Prismatic Borders */
.glass-specular-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.45) 0%, transparent 60%);
  opacity: 0.7;
}

.glass-prism-border {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   THE 4 INTERACTIVE 3D LIQUID GLASS CARDS
   ========================================================================== */
.section-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 8px;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-crimson);
}

.section-heading {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-carbon-900);
}

.section-subtext {
  font-size: 0.95rem;
  color: var(--color-carbon-500);
}

.cards-grid-3d {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: 28px;
}

/* Outer 3D Perspective Card Wrapper */
.card-3d-wrapper {
  position: relative;
  perspective: 1200px;
  outline: none;
  cursor: pointer;
  border-radius: var(--radius-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Inner Liquid Glass Card Body */
.card-glass-body {
  position: relative;
  background: var(--liquid-glass-bg);
  backdrop-filter: var(--liquid-glass-blur);
  -webkit-backdrop-filter: var(--liquid-glass-blur);
  border: 1px solid var(--liquid-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--liquid-glass-shadow);
  padding: 38px 36px 30px;
  transform: translateZ(0);
  transition: 
    box-shadow 0.35s var(--ease-elastic), 
    border-color 0.35s ease,
    background 0.35s ease;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-3d-wrapper:hover .card-glass-body {
  transform-style: preserve-3d;
}

/* Dynamic Interactive Glare Reflection that tracks light */
.card-glare-effect {
  position: absolute;
  inset: -60%;
  pointer-events: none;
  background: radial-gradient(circle 320px at 50% 50%, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.05) 45%, transparent 70%);
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.3s ease;
  z-index: 10;
}

.card-3d-wrapper:hover .card-glare-effect {
  opacity: 1;
}

/* Ambient Liquid glow patch inside each card */
.card-layer-bg-ambient {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 42, 59, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s var(--ease-elastic), opacity 0.4s ease;
  opacity: 0.6;
}

.card-3d-wrapper:hover .card-layer-bg-ambient {
  transform: scale(1.4) translate(-20px, 20px);
  opacity: 1;
}

.card-3d-wrapper:hover .card-glass-body {
  box-shadow: var(--liquid-glass-shadow-hover);
  background: var(--liquid-glass-bg-hover);
  border-color: rgba(255, 42, 59, 0.4);
}

.card-3d-wrapper:focus-visible .card-glass-body {
  border-color: var(--color-crimson);
  box-shadow: 0 0 0 3px var(--color-crimson-glow), var(--liquid-glass-shadow);
}

/* 3D Depth Layer for Elements (Popping in Z-Space) */
.card-content-3d {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  z-index: 2;
  transform-style: preserve-3d;
  height: 100%;
  flex: 1;
}

/* Card Top Bar (Icon + Badge) */
.card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateZ(35px);
  transform-style: preserve-3d;
}

.card-icon-glass {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--liquid-glass-border);
  box-shadow: 
    0 10px 24px -6px rgba(12, 14, 18, 0.08),
    inset 0 1px 1px #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-carbon-900);
  transform: translateZ(25px);
  transition: transform 0.35s var(--ease-spring), background 0.3s ease, color 0.3s ease;
}

.card-icon-glass svg {
  width: 28px;
  height: 28px;
}

.card-3d-wrapper:hover .card-icon-glass {
  transform: translateZ(55px) scale(1.08);
}

.icon-red {
  color: var(--color-crimson);
}

.card-3d-wrapper:hover .icon-red {
  background: var(--color-crimson);
  color: var(--color-white);
  box-shadow: 0 12px 28px -4px var(--color-crimson-glow);
}

.card-3d-wrapper:hover .icon-dark {
  background: var(--color-carbon-900);
  color: var(--color-white);
  box-shadow: 0 12px 28px -4px rgba(12, 14, 18, 0.25);
}

.card-3d-wrapper:hover .icon-crimson {
  background: var(--color-crimson);
  color: var(--color-white);
  box-shadow: 0 12px 28px -4px var(--color-crimson-glow);
}

.badge-service {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-crimson-subtle);
  color: var(--color-crimson);
  border: 1px solid rgba(255, 42, 59, 0.25);
  box-shadow: 0 2px 8px rgba(255, 42, 59, 0.06);
  transform: translateZ(30px);
}

.badge-editorial {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(12, 14, 18, 0.05);
  color: var(--color-carbon-700);
  border: 1px solid rgba(12, 14, 18, 0.08);
  transform: translateZ(30px);
}

/* Card Info Group */
.card-info-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  transform-style: preserve-3d;
}

.card-heading-3d {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--color-carbon-900);
  transform: translateZ(45px);
  transition: color 0.2s ease;
  min-height: 3.4rem;
  display: flex;
  align-items: flex-end;
}

.card-3d-wrapper:hover .card-heading-3d {
  color: var(--color-carbon-900);
}

.card-summary-3d {
  font-size: 0.94rem;
  color: var(--color-carbon-500);
  line-height: 1.65;
  transform: translateZ(28px);
  flex: 1;
}

/* Card Feature Pills */
.card-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  transform: translateZ(32px);
}

.micro-pill {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-carbon-700);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(12, 14, 18, 0.06);
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

a.micro-pill-link {
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-crimson);
  background: rgba(255, 42, 59, 0.08);
  border-color: rgba(255, 42, 59, 0.25);
  transition: all var(--duration-fast);
}

a.micro-pill-link:hover {
  background: var(--color-crimson);
  color: #ffffff;
  border-color: var(--color-crimson);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 42, 59, 0.28);
}

/* Card Action Bar */
.card-action-bar {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(12, 14, 18, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateZ(40px);
  transform-style: preserve-3d;
}

.action-caption {
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--color-carbon-900);
  transition: color 0.2s ease;
}

.action-3d-disc {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(12, 14, 18, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-carbon-900);
  transform: translateZ(35px);
  transition: all 0.35s var(--ease-spring);
}

.action-3d-disc svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.card-3d-wrapper:hover .action-3d-disc {
  background: var(--color-crimson);
  color: var(--color-white);
  transform: translateZ(60px) scale(1.15);
  box-shadow: 0 8px 18px var(--color-crimson-glow);
}

.card-3d-wrapper:hover .action-3d-disc svg {
  transform: translateX(3px);
}

.card-3d-wrapper:hover .action-caption {
  color: var(--color-crimson);
}

/* Prismatic Liquid Edge Highlights */
.card-prism-edge {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  box-shadow: 
    inset 0 1.5px 2px rgba(255, 255, 255, 1),
    inset 0 -1.5px 2px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   DEDICATED DIGITAL PRODUCTS & OFFENSIVE TOOLKITS SECTION
   ========================================================================== */
.card-link-wrapper {
  text-decoration: none;
  color: inherit;
}

.product-badge-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  transform: translateZ(30px);
}

.badge-price {
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: var(--color-carbon-900);
  color: var(--color-white);
  border: 1px solid rgba(255, 42, 59, 0.45);
  box-shadow: 0 4px 12px rgba(12, 14, 18, 0.14);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-glass {
  background: var(--liquid-glass-bg);
  backdrop-filter: var(--liquid-glass-blur);
  -webkit-backdrop-filter: var(--liquid-glass-blur);
  border: 1px solid var(--liquid-glass-border);
  box-shadow: var(--liquid-glass-shadow);
  border-radius: var(--radius-md);
  padding: 24px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-shield-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.shield-icon-pulsing {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-crimson-subtle);
  border: 1px solid rgba(255, 42, 59, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-crimson);
  flex-shrink: 0;
}

.shield-icon-pulsing svg {
  width: 18px;
  height: 18px;
}

.footer-text-group {
  display: flex;
  flex-direction: column;
  font-size: 0.82rem;
  color: var(--color-carbon-500);
}

.footer-text-group strong {
  color: var(--color-carbon-900);
  font-weight: 700;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--color-carbon-400);
  font-weight: 600;
  white-space: nowrap;
}

/* ==========================================================================
   Interactive 3D Liquid Glass Modal Drawer
   ========================================================================== */
.modal-3d-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 14, 18, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  perspective: 1200px;
}

.modal-3d-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-3d-dialog {
  width: 100%;
  max-width: 1060px;
  max-height: 85vh;
  max-height: 85dvh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid rgba(12, 14, 18, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 35px 80px -15px rgba(12, 14, 18, 0.35),
    0 10px 25px -5px rgba(12, 14, 18, 0.1);
  padding: 0;
  position: relative;
  transform: scale(0.96) translateY(24px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  overflow: hidden;
}

.modal-3d-backdrop.is-open .modal-3d-dialog {
  transform: scale(1) translateY(0);
}

.modal-3d-close {
  position: absolute;
  top: 22px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(12, 14, 18, 0.05);
  border: 1px solid rgba(12, 14, 18, 0.06);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-carbon-900);
  transition: all 0.25s ease;
  z-index: 30;
}

.modal-3d-close:hover {
  background: var(--color-crimson);
  color: var(--color-white);
  transform: rotate(90deg);
}

.modal-3d-close:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 3px;
}

.modal-3d-close svg {
  width: 18px;
  height: 18px;
}

.modal-glass-top {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 38px 18px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(12, 14, 18, 0.08);
  flex-shrink: 0;
  padding-right: 76px;
  z-index: 20;
}

.modal-category-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-crimson);
}

.modal-headline {
  font-size: 1.85rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-carbon-900);
}

.modal-intro-text {
  font-size: 0.96rem;
  color: var(--color-carbon-500);
  line-height: 1.6;
  margin-top: 2px;
}

.modal-body-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 0.98rem;
  color: var(--color-carbon-500);
  line-height: 1.7;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px 38px 32px;
  flex: 1;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Modal Sticky Action Footer (Pinned to bottom of modal container) */
.modal-sticky-footer {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 38px;
  border-top: 1px solid rgba(12, 14, 18, 0.08);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-shrink: 0;
  z-index: 20;
}

/* Service Category Filter Pill Bar */
.service-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  position: sticky;
  top: -28px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 0 14px;
  margin-top: -6px;
  margin-bottom: 2px;
  z-index: 15;
  border-bottom: 1px solid rgba(12, 14, 18, 0.06);
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(12, 14, 18, 0.09);
  background: rgba(12, 14, 18, 0.03);
  color: var(--color-carbon-700);
  font-size: 0.81rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  font-family: inherit;
  line-height: 1;
}

.filter-pill:hover {
  background: rgba(12, 14, 18, 0.07);
  color: var(--color-carbon-900);
  border-color: rgba(12, 14, 18, 0.16);
  transform: translateY(-1px);
}

.filter-pill:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 2px;
}

.filter-pill.active {
  background: var(--color-carbon-900);
  color: #ffffff;
  border-color: var(--color-carbon-900);
  box-shadow: 0 4px 14px rgba(12, 14, 18, 0.18);
}

.filter-pill .pill-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(12, 14, 18, 0.07);
  color: var(--color-carbon-700);
  transition: all 0.2s ease;
}

.filter-pill:hover .pill-badge {
  background: rgba(12, 14, 18, 0.12);
  color: var(--color-carbon-900);
}

.filter-pill.active .pill-badge {
  background: var(--color-crimson);
  color: #ffffff;
}

.filter-pill.active:hover .pill-badge {
  background: var(--color-crimson-hover);
  color: #ffffff;
}

/* Sleek Liquid Glass Scrollbar */
.modal-body-container::-webkit-scrollbar {
  width: 7px;
}

.modal-body-container::-webkit-scrollbar-track {
  background: rgba(12, 14, 18, 0.04);
  border-radius: var(--radius-pill);
}

.modal-body-container::-webkit-scrollbar-thumb {
  background: rgba(255, 42, 59, 0.4);
  border-radius: var(--radius-pill);
  transition: background 0.2s ease;
}

.modal-body-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-crimson);
}

/* ==========================================================================
   Responsive Service Catalog Grid & Sub-Cards
   ========================================================================== */
.service-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  align-items: stretch;
}

.service-category-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(12, 14, 18, 0.08);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
  contain: content;
  transform: translateZ(0);
  box-shadow: 
    0 4px 16px -2px rgba(12, 14, 18, 0.04),
    inset 0 1px 1px #ffffff;
  gap: 14px;
  transition: transform 0.25s var(--ease-elastic), box-shadow 0.25s ease, border-color 0.25s ease, opacity 0.2s ease;
}

.service-category-card:hover,
.service-category-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 42, 59, 0.35);
  box-shadow: 
    0 12px 26px -4px rgba(12, 14, 18, 0.08),
    0 4px 16px -2px rgba(255, 42, 59, 0.08);
}

.service-category-card:focus {
  outline: none;
}

.service-category-card:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 2px;
}

.service-category-card.is-hidden {
  display: none !important;
}

.service-category-card:hover .category-icon,
.service-category-card:focus-visible .category-icon {
  background: rgba(255, 42, 59, 0.14);
}

.category-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(12, 14, 18, 0.06);
}

.category-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: var(--color-crimson-subtle);
  color: var(--color-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-icon svg {
  width: 15px;
  height: 15px;
}

.category-name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--color-carbon-900);
}

.category-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: rgba(12, 14, 18, 0.04);
  color: var(--color-carbon-500);
  border: 1px solid rgba(12, 14, 18, 0.06);
  white-space: nowrap;
}

/* Service Item List */
.service-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  flex: 1;
}

.service-item-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-carbon-700);
  line-height: 1.5;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.service-item-row:hover {
  color: var(--color-carbon-900);
}

.service-bullet-icon {
  color: var(--color-crimson);
  flex-shrink: 0;
  margin-top: 3px;
  width: 13px;
  height: 13px;
}

.service-bullet-icon svg {
  width: 13px;
  height: 13px;
}

.service-item-text {
  flex: 1;
}

/* Modal Call to Action Banner */
.service-modal-cta {
  background: linear-gradient(135deg, rgba(12, 14, 18, 0.95), rgba(30, 34, 42, 0.95));
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 10px;
  box-shadow: 0 12px 28px -6px rgba(12, 14, 18, 0.25);
  flex-shrink: 0;
}

.cta-text-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cta-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
}

.cta-desc {
  font-size: 0.85rem;
  color: #a0a6b5;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-crimson);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 14px var(--color-crimson-glow);
  transition: all 0.25s ease;
}

.cta-button:hover {
  background: var(--color-crimson-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--color-crimson-glow);
}

.cta-button svg {
  width: 14px;
  height: 14px;
}

.modal-detail-box {
  background: rgba(247, 248, 250, 0.85);
  border: 1px solid rgba(12, 14, 18, 0.06);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.modal-detail-box strong {
  color: var(--color-carbon-900);
}

/* ==========================================================================
   Medium Articles Grid & Real-World Publication Cards
   ========================================================================== */
.medium-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  align-items: stretch;
}

.medium-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(12, 14, 18, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s var(--ease-elastic), box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  box-shadow: 
    0 4px 16px -2px rgba(12, 14, 18, 0.04),
    inset 0 1px 1px #ffffff;
}

.medium-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 42, 59, 0.35);
  box-shadow: 
    0 14px 28px -4px rgba(12, 14, 18, 0.08),
    0 4px 16px -2px rgba(255, 42, 59, 0.08);
}

.medium-card:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 2px;
}

.medium-card.is-hidden {
  display: none !important;
}

.medium-card-img-wrap {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: #0c0e12;
}

.medium-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.3s ease;
  opacity: 0.94;
}

.medium-card:hover .medium-card-img {
  transform: scale(1.05);
  opacity: 1;
}

.medium-card-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.medium-read-pill {
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(12, 14, 18, 0.85);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
}

.medium-card:hover .medium-read-pill {
  background: var(--color-crimson);
  border-color: var(--color-crimson);
}

.medium-card-body {
  padding: 20px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.medium-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.medium-date {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-carbon-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.medium-tag {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 42, 59, 0.08);
  color: var(--color-crimson);
  border: 1px solid rgba(255, 42, 59, 0.16);
  text-transform: capitalize;
}

.medium-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-carbon-900);
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin: 0;
  transition: color 0.2s ease;
}

.medium-card:hover .medium-card-title {
  color: var(--color-crimson);
}

.medium-card-excerpt {
  font-size: 0.86rem;
  color: var(--color-carbon-500);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.medium-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  margin-top: 4px;
  border-top: 1px solid rgba(12, 14, 18, 0.06);
}

.medium-author-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.medium-brand-icon {
  width: 15px;
  height: 15px;
  color: var(--color-carbon-700);
  display: flex;
  align-items: center;
  justify-content: center;
}

.medium-brand-icon svg {
  width: 100%;
  height: 100%;
}

.medium-read-action {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-carbon-700);
  transition: color 0.2s ease;
}

.medium-card:hover .medium-read-action {
  color: var(--color-crimson);
}

.medium-arrow-icon {
  width: 14px;
  height: 14px;
  color: var(--color-carbon-400);
  transition: transform 0.25s ease, color 0.2s ease;
}

.medium-card:hover .medium-arrow-icon {
  color: var(--color-crimson);
  transform: translate(3px, -3px);
}

/* ==========================================================================
   Refactored 10/10 "About Me" 2-Column Desktop Grid & Component Architecture
   ========================================================================== */
.about-2col-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.about-col-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-col-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-header-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-header-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.about-quick-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-crimson);
  background: rgba(255, 42, 59, 0.08);
  border: 1px solid rgba(255, 42, 59, 0.25);
  padding: 5px 12px;
  border-radius: 999px;
  text-decoration: none;
  transition: all var(--duration-fast);
}

.about-quick-dl-btn:hover {
  background: var(--color-crimson);
  color: #ffffff;
  border-color: var(--color-crimson);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 42, 59, 0.25);
}

.about-role-subline {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-carbon-700);
  margin-top: -2px;
}

.about-quote-box {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-carbon-900);
  line-height: 1.45;
  letter-spacing: -0.02em;
  padding-left: 16px;
  border-left: 3px solid var(--color-crimson);
}

.about-lead-bio {
  font-size: 0.94rem;
  color: var(--color-carbon-500);
  line-height: 1.7;
}

.about-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-block-title {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-crimson);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-block-desc {
  font-size: 0.91rem;
  color: var(--color-carbon-700);
  line-height: 1.65;
}

.about-edu-card {
  background: rgba(12, 14, 18, 0.03);
  border: 1px solid rgba(12, 14, 18, 0.06);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.edu-degree {
  font-size: 0.93rem;
  font-weight: 800;
  color: var(--color-carbon-900);
}

.edu-school {
  font-size: 0.82rem;
  color: var(--color-carbon-500);
  font-weight: 600;
}

.about-exp-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-exp-card {
  background: rgba(12, 14, 18, 0.03);
  border: 1px solid rgba(12, 14, 18, 0.06);
  border-left: 3px solid var(--color-crimson);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

.about-exp-card:hover {
  background: rgba(12, 14, 18, 0.05);
  border-color: rgba(255, 42, 59, 0.3);
}

.exp-role-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.exp-title {
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--color-carbon-900);
}

.exp-company {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-crimson);
}

.exp-period {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-carbon-500);
  background: rgba(12, 14, 18, 0.05);
  padding: 2px 8px;
  border-radius: 999px;
}

.exp-bullets {
  margin: 4px 0 0 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.exp-bullets li {
  font-size: 0.85rem;
  color: var(--color-carbon-700);
  line-height: 1.55;
}

.about-course-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.course-chip {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(12, 14, 18, 0.04);
  border: 1px solid rgba(12, 14, 18, 0.08);
  color: var(--color-carbon-700);
}

/* Right Column: "What I Do" micro-cards */
.about-col-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(12, 14, 18, 0.06);
}

.about-badge-chip {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(12, 14, 18, 0.05);
  color: var(--color-carbon-700);
}

.about-services-grid {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.about-service-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(247, 248, 250, 0.85);
  border: 1px solid rgba(12, 14, 18, 0.06);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: all 0.2s ease;
}

.about-service-card:hover {
  background: #ffffff;
  border-color: rgba(255, 42, 59, 0.3);
  box-shadow: 0 4px 14px rgba(12, 14, 18, 0.04);
  transform: translateY(-1px);
}

.service-card-marker {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-crimson-subtle);
  color: var(--color-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.service-card-marker svg {
  width: 12px;
  height: 12px;
}

.service-card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.service-card-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--color-carbon-900);
}

.service-card-desc {
  font-size: 0.84rem;
  color: var(--color-carbon-500);
  line-height: 1.5;
}

/* Tools & Methodologies matrix */
.about-tools-matrix {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tool-matrix-row {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.tool-matrix-label {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-carbon-700);
  display: flex;
  align-items: center;
  gap: 6px;
}

.tool-matrix-label::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-crimson);
  display: inline-block;
}

.tool-matrix-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tool-badge-pill {
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(12, 14, 18, 0.04);
  color: var(--color-carbon-700);
  border: 1px solid rgba(12, 14, 18, 0.06);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.tool-badge-pill:hover {
  background: var(--color-carbon-900);
  color: #ffffff;
  border-color: var(--color-carbon-900);
}

.tool-badge-pill.featured {
  background: var(--color-crimson-subtle);
  border-color: rgba(255, 42, 59, 0.2);
  color: var(--color-crimson);
}

/* Sticky Action Footer Content */
.sticky-footer-content {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.sticky-footer-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.82rem;
}

.footer-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-carbon-700);
}

.status-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
  flex-shrink: 0;
}

.footer-email-link {
  color: var(--color-crimson);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: opacity 0.2s ease;
}

.footer-email-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Accessibility Focus States */
.cta-button:focus-visible,
.footer-email-link:focus-visible,
.tool-badge-pill:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 3px;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================= */
/* ==========================================================================
   Comprehensive Responsive Adaptations
   Hardened for: Desktop, Tablet Landscape, Tablet Portrait, Standard Mobile, Small Mobile
   ========================================================================== */

/* 1. Tablet Landscape & Small Laptops (<= 960px) */
@media (max-width: 960px) {
  .hero-glass-plane {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
    justify-items: center;
  }

  .hero-details-3d {
    align-items: center;
  }

  .depth-badge {
    align-self: center;
  }

  .hero-tags-row {
    justify-content: center;
  }

  .hero-actions-row {
    justify-content: center;
  }

  .hero-title-3d {
    font-size: 2.1rem;
  }

  .cards-grid-3d {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 20px;
  }

  .card-heading-3d {
    min-height: auto;
  }

  .footer-glass {
    flex-direction: column;
    text-align: center;
  }

  .service-catalog-grid,
  .medium-articles-grid {
    grid-template-columns: 1fr;
  }

  .about-2col-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-card-layout,
  .products-grid-3d.is-multi-grid,
  .products-grid-3d.is-multi-grid.is-odd-count > .product-showcase-card:first-child .product-card-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .products-grid-3d.is-multi-grid.is-odd-count > .product-showcase-card:first-child .product-highlights-grid {
    grid-template-columns: 1fr;
  }
}

/* 2. Tablet Portrait & Large Phablets (<= 820px) */
@media (max-width: 820px) {
  .security-status-pill .status-msg {
    display: none;
  }

  .security-status-pill {
    padding: 7px 10px;
  }

  .navbar-glass {
    padding: 12px 20px;
  }

  .product-highlights-grid {
    grid-template-columns: 1fr;
  }
}

/* 3. Phablets & Mobile Landscape (<= 680px) */
@media (max-width: 680px) {
  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .store-visit-pill {
    margin-left: 8px;
  }

  .product-action-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .product-buy-btn {
    width: 100%;
    justify-content: center;
  }

  .product-inspect-trigger {
    justify-content: space-between;
    width: 100%;
  }

  .modal-3d-backdrop {
    padding: 16px 12px;
  }

  .modal-3d-dialog {
    max-height: 90vh;
    max-height: 90dvh;
    border-radius: var(--radius-md);
    padding: 0;
  }

  .modal-3d-close {
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
  }

  .modal-glass-top {
    padding: 20px 18px 14px;
    padding-right: 56px;
  }

  .modal-headline {
    font-size: 1.45rem;
  }

  /* Responsive 2-column filter grid on mobile (All 4 filters 100% visible & accessible) */
  .service-filter-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
    position: sticky;
    top: -22px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 10px 0 12px;
    margin-top: -4px;
    margin-bottom: 6px;
    z-index: 15;
    border-bottom: 1px solid rgba(12, 14, 18, 0.08);
  }

  .filter-pill {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    box-sizing: border-box;
    text-align: left;
    min-height: 44px;
    gap: 6px;
  }

  .filter-pill .pill-label {
    line-height: 1.2;
    white-space: normal;
  }

  .filter-pill .pill-badge {
    flex-shrink: 0;
  }

  .modal-body-container {
    padding: 22px 18px;
  }

  .modal-sticky-footer {
    padding: 14px 18px;
  }

  .sticky-footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .service-modal-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 16px;
    gap: 16px;
  }

  .cta-button {
    width: 100%;
    justify-content: center;
  }

  .footer-shield-wrap {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .footer-copyright {
    white-space: normal;
    text-align: center;
  }
}

/* 4. Standard Mobile Screens (<= 540px) */
@media (max-width: 540px) {
  .viewport-wrapper {
    padding: 16px 12px 52px;
    gap: 24px;
  }

  .navbar-glass {
    padding: 10px 16px;
    border-radius: var(--radius-md);
  }

  .security-status-pill {
    display: none;
  }

  .glass-pill-btn {
    padding: 7px 14px;
    font-size: 0.8rem;
    gap: 6px;
  }

  .glass-pill-btn svg {
    width: 13px;
    height: 13px;
  }

  .hero-3d-card {
    padding: 30px 16px;
    border-radius: var(--radius-md);
  }

  .avatar-stage-3d {
    width: 130px;
    height: 130px;
  }

  .hero-title-3d {
    font-size: 1.55rem;
    line-height: 1.22;
  }

  .hero-bio-3d {
    font-size: 0.92rem;
    line-height: 1.55;
  }

  .cards-grid-3d {
    gap: 16px;
  }

  .card-glass-body {
    padding: 26px 18px 22px;
    border-radius: var(--radius-md);
  }

  .product-glass-body {
    padding: 22px 16px 20px;
  }

  .product-title-3d {
    font-size: 1.25rem;
  }

  .product-format-strip {
    grid-template-columns: 1fr;
  }

  .card-heading-3d {
    font-size: 1.25rem;
  }

  .card-summary-3d {
    font-size: 0.88rem;
  }

  .card-cta-btn {
    font-size: 0.82rem;
    padding: 7px 14px;
  }

  .modal-3d-backdrop {
    padding: 8px;
  }

  .modal-3d-dialog {
    max-height: 94dvh;
    border-radius: var(--radius-md);
  }

  .modal-glass-top {
    padding: 16px 14px 10px;
    padding-right: 48px;
  }

  .modal-headline {
    font-size: 1.25rem;
  }

  .modal-body-container {
    padding: 18px 14px;
    gap: 16px;
  }

  .service-filter-bar {
    top: -18px;
    gap: 6px;
    padding: 8px 0 10px;
    margin-bottom: 4px;
  }

  .filter-pill {
    padding: 8px 10px;
    font-size: 0.77rem;
    min-height: 38px;
  }

  .filter-pill .pill-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
  }

  .modal-sticky-footer {
    padding: 12px 14px;
  }

  .hero-social-cluster {
    gap: 8px;
  }

  .social-icon-btn {
    width: 36px;
    height: 36px;
  }
}

/* 5. Ultra-compact Mobile Screens (<= 380px: iPhone SE, Galaxy Fold cover) */
@media (max-width: 380px) {
  .brand-text {
    display: none;
  }

  .brand-badge {
    font-size: 1.4rem;
  }

  .glass-pill-btn {
    padding: 6px 12px;
    font-size: 0.76rem;
  }

  .hero-title-3d {
    font-size: 1.35rem;
  }

  .avatar-stage-3d {
    width: 110px;
    height: 110px;
  }

  .hero-3d-card {
    padding: 24px 12px;
  }

  .card-glass-body {
    padding: 22px 14px 18px;
  }

  .tech-chip {
    font-size: 0.72rem;
    padding: 4px 8px;
  }

  .service-filter-bar {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .filter-pill {
    padding: 8px 12px;
  }
}