/* ==========================================================================
   DESIGN SYSTEM SPECIFICATION // HESHAM MAHER PORTFOLIO
   Source: Figma Extraction (DESIGN.md)
   Fonts: Space Grotesk, JetBrains Mono, Inter, Roboto, Liberation Mono
   Theme: HUD Terminal, Executive Game Engine Architecture, Ambient Holographic Glows
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Roboto:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* --------------------------------------------------------------------------
     CANONICAL FIGMA TOKENS (DESIGN.md Section 3 & 11)
     -------------------------------------------------------------------------- */
  --color-figma-background: #ffffff;
  --color-figma-surface-alt: #e1e2ec;
  --color-figma-text-primary: #000000;
  --color-figma-surface: #e0fdff;
  --color-figma-accent: #00f2fe;
  --color-figma-border: #849495;
  --color-figma-text-primary-alt: #272a32;
  --color-figma-text-primary-3: #0b0e15;
  --color-figma-text-primary-4: #191b23;
  --color-figma-accent-alt: #4edea3;
  --color-figma-text-secondary: #32353d;
  --color-figma-accent-3: #d0bcff;
  --color-figma-accent-4: #ff0033;
  --color-figma-text-primary-5: #002022;
  --color-figma-accent-5: #6ff6ff;
  --color-figma-surface-3: #e9ddff;
  --color-figma-text-secondary-alt: #3a494b;
  --color-figma-accent-6: #67f4b7;
  --color-figma-accent-7: #00dce6;
  --color-figma-accent-8: #6ffbbe;
  --color-figma-accent-9: #571bc1;
  --color-figma-text-primary-6: #10131a;
  --color-figma-accent-10: #00373a;
  --color-figma-accent-11: #006e4b;
  --color-figma-accent-12: #c4abff;
  --color-figma-surface-4: #e1ffec;
  --color-figma-accent-13: #003824;
  --color-figma-accent-14: #ffb4ab;
  --color-figma-surface-alt-2: #b9cacb;

  /* Semantic Theme Mappings */
  --color-background: var(--color-figma-text-primary-3);       /* #0b0e15 deep canvas */
  --color-background-dark: #080a0f;
  --color-surface: var(--color-figma-text-primary-6);          /* #10131a card surface */
  --color-surface-alt: var(--color-figma-text-primary-4);      /* #191b23 secondary card */
  --color-surface-glass: rgba(16, 19, 26, 0.86);
  --color-surface-cyan-tint: rgba(0, 242, 254, 0.05);
  --color-border: rgba(132, 148, 149, 0.24);                  /* #849495 muted border */
  --color-border-bright: rgba(0, 242, 254, 0.45);             /* #00f2fe accent glow */
  --color-border-violet: rgba(208, 188, 255, 0.35);            /* #d0bcff accent-3 */

  /* Primary & Accent Spectrum */
  --color-accent: var(--color-figma-accent);                   /* #00f2fe electric cyan */
  --color-accent-alt: var(--color-figma-accent-alt);           /* #4edea3 emerald green */
  --color-accent-3: var(--color-figma-accent-3);               /* #d0bcff cyber violet */
  --color-accent-4: var(--color-figma-accent-4);               /* #ff0033 signal red */
  --color-accent-5: var(--color-figma-accent-5);               /* #6ff6ff light cyan */
  --color-accent-6: var(--color-figma-accent-6);               /* #67f4b7 mint */
  --color-accent-7: var(--color-figma-accent-7);               /* #00dce6 bright teal */
  --color-accent-8: var(--color-figma-accent-8);               /* #6ffbbe neon green */
  --color-accent-9: var(--color-figma-accent-9);               /* #571bc1 deep royal violet */
  --color-accent-10: var(--color-figma-accent-10);             /* #00373a dark teal */
  --color-accent-11: var(--color-figma-accent-11);             /* #006e4b dark emerald */
  --color-accent-12: var(--color-figma-accent-12);             /* #c4abff soft lavender */
  --color-accent-13: var(--color-figma-accent-13);             /* #003824 dark pine */
  --color-accent-14: var(--color-figma-accent-14);             /* #ffb4ab salmon blush */

  /* Surfaces & Tints */
  --color-surface-tint-cyan: var(--color-figma-surface);        /* #e0fdff */
  --color-surface-tint-violet: var(--color-figma-surface-3);    /* #e9ddff */
  --color-surface-tint-green: var(--color-figma-surface-4);     /* #e1ffec */
  
  /* Text & Labels */
  --color-text-primary: #ffffff;
  --color-text-secondary: var(--color-figma-surface-alt-2);     /* #b9cacb soft slate */
  --color-text-muted: var(--color-figma-border);               /* #849495 */
  --color-text-dim: #556263;

  /* Typography Families from DESIGN.md */
  --font-display: 'Space Grotesk', sans-serif;
  --font-h1: 'Space Grotesk', sans-serif;
  --font-h2: 'JetBrains Mono', monospace;
  --font-h3: 'Space Grotesk', sans-serif;
  --font-h4: 'Space Grotesk', sans-serif;
  --font-h4-medium: 'Roboto', sans-serif;
  --font-body-lg: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-body-sm: 'Roboto', sans-serif;
  --font-mono: 'JetBrains Mono', 'Liberation Mono', monospace;

  /* Border Radii from DESIGN.md */
  --radius-sm-7: 2px;
  --radius-sm-6: 4px;
  --radius-sm-5: 8px;
  --radius-sm-4: 10px;
  --radius-sm-3: 12px;
  --radius-sm-2: 16px;
  --radius-sm: 18px;
  --radius-md: 20px;
  --radius-lg-2: 24px;
  --radius-lg: 48px;

  /* All 15 Elevation Shadows from DESIGN.md */
  --elevation-1: 0px 0px 1px 0px rgba(0, 0, 0, 0.8);
  --elevation-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.05);
  --elevation-3: inset 0px 2px 4px 0px rgba(0, 0, 0, 0.05);
  --elevation-4: 0px 2px 4px -2px rgba(0, 0, 0, 0.1), 0px 4px 6px -1px rgba(0, 0, 0, 0.1);
  --elevation-5: 0px 4px 6px -4px rgba(0, 242, 254, 0.25), 0px 10px 15px -3px rgba(0, 242, 254, 0.25);
  --elevation-6: 0px 4px 6px -4px rgba(0, 0, 0, 0.1), 0px 10px 15px -3px rgba(0, 0, 0, 0.1);
  --elevation-7: 0px 8px 10px -6px rgba(11, 14, 21, 0.6), 0px 20px 25px -5px rgba(11, 14, 21, 0.6);
  --elevation-8: 0px 8px 10px -6px rgba(0, 0, 0, 0.1), 0px 20px 25px -5px rgba(0, 0, 0, 0.1);
  --elevation-9: 0px 0px 10px 0px rgba(0, 242, 254, 0.8);
  --elevation-10: 0px 0px 12px 0px rgba(0, 242, 254, 0.15);
  --elevation-11: 0px 0px 12px 0px rgba(0, 242, 254, 0.4);
  --elevation-12: 0px 0px 12px 0px rgba(0, 242, 254, 0.3);
  --elevation-13: 0px 0px 16px 0px rgba(0, 242, 254, 0.3);
  --elevation-14: 0px 25px 50px -12px rgba(11, 14, 21, 0.8);
  --elevation-15: 0px 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Spacing Scale from DESIGN.md */
  --space-0: 0px;
  --space-2: 2px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-smooth: 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  color-scheme: dark;
}

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 24px;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Holographic Glows */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.32;
  animation: pulse-glow 14s ease-in-out infinite alternate;
}

.ambient-orb-1 {
  top: -8%;
  left: 8%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
}

.ambient-orb-2 {
  top: 38%;
  right: -5%;
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, var(--color-accent-9) 0%, transparent 70%);
  animation-duration: 18s;
}

.ambient-orb-3 {
  bottom: 8%;
  left: 22%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, var(--color-accent-alt) 0%, transparent 70%);
  animation-duration: 15s;
}

.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

@keyframes pulse-glow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.25; }
  100% { transform: scale(1.18) translate(30px, 25px); opacity: 0.42; }
}

/* Typography Hierarchy matching DESIGN.md Type Scale */
h1 {
  font-family: var(--font-h1);
  font-size: 40px;
  font-weight: 700;
  line-height: 48px;
  letter-spacing: -1px;
}

h2 {
  font-family: var(--font-h2);
  font-size: 32px;
  font-weight: 700;
  line-height: 36px;
  letter-spacing: -1px;
}

h3 {
  font-family: var(--font-h3);
  font-size: 28px;
  font-weight: 700;
  line-height: 36px;
  letter-spacing: 0px;
}

h4 {
  font-family: var(--font-h4);
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  letter-spacing: -0.5px;
}

/* DESIGN.md Explicit Typography Utility Scale */
.type-display {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 64px;
  letter-spacing: -1px;
}
.type-h1 {
  font-family: var(--font-h1);
  font-size: 40px;
  font-weight: 700;
  line-height: 48px;
  letter-spacing: -1px;
}
.type-h2 {
  font-family: var(--font-h2);
  font-size: 32px;
  font-weight: 700;
  line-height: 36px;
  letter-spacing: -1px;
}
.type-h3 {
  font-family: var(--font-h3);
  font-size: 28px;
  font-weight: 700;
  line-height: 36px;
  letter-spacing: 0px;
}
.type-h4 {
  font-family: var(--font-h4);
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  letter-spacing: -0.5px;
}
.type-h4-medium {
  font-family: var(--font-h4-medium);
  font-size: 20px;
  font-weight: 500;
  line-height: 28px;
  letter-spacing: normal;
}
.type-body-lg {
  font-family: var(--font-body-lg);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: 0px;
}
.type-body-lg-medium {
  font-family: 'Roboto', sans-serif;
  font-size: 18px;
  font-weight: 500;
  line-height: 26px;
  letter-spacing: normal;
}
.type-body {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 0px;
}
.type-body-semibold {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  letter-spacing: 1px;
}
.type-body-sm {
  font-family: var(--font-body-sm);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  letter-spacing: normal;
}
.type-body-sm-2 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 20px;
  letter-spacing: normal;
}
.type-caption {
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 400;
  line-height: 13px;
  letter-spacing: normal;
}
.type-caption-2 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 16.5px;
  letter-spacing: normal;
}
.type-caption-3 {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  line-height: 15px;
  letter-spacing: 0.5px;
}
.type-caption-medium {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0px;
}
.type-caption-bold {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
  letter-spacing: 1px;
}

/* DESIGN.md States (Section 8) */
:focus-visible {
  outline: 2px solid rgba(0, 242, 254, 0.4);
  outline-offset: 2px;
}

.is-disabled, [disabled] {
  opacity: 0.4 !important;
  pointer-events: none !important;
}

.is-error {
  border-color: var(--color-accent-4) !important;
  color: var(--color-accent-4) !important;
}

p {
  color: var(--color-text-secondary);
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 64px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 40px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--color-border-bright);
  padding: 6px 14px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--elevation-10);
}

.section-title {
  color: #fff;
  margin-bottom: 12px;
}

.section-desc {
  font-family: var(--font-body-lg);
  font-size: 18px;
  line-height: 28px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   TOP TELEMETRY MICRO-BAR (From DESIGN.md Frame 1 & 4)
   ========================================================================== */
.top-telemetry-bar {
  background: rgba(11, 14, 21, 0.95);
  border-bottom: 1px solid var(--color-border);
  height: 40px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 110;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.telemetry-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.telemetry-left, .telemetry-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.telemetry-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.telemetry-item strong {
  color: var(--color-accent);
  font-weight: 500;
}

.telemetry-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent-alt);
  display: inline-block;
  box-shadow: 0 0 8px var(--color-accent-alt);
}

.telemetry-dot.live {
  animation: pulse-ring 2s infinite;
}

.telemetry-sep {
  color: rgba(132, 148, 149, 0.35);
}

.telemetry-badge-online {
  color: var(--color-accent-alt);
  background: rgba(78, 222, 163, 0.1);
  border: 1px solid rgba(78, 222, 163, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-sm-6);
  font-size: 10px;
  font-weight: 700;
}

/* ==========================================================================
   HEADER / NAVBAR (From DESIGN.md Frame 1280x81)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  background: rgba(11, 14, 21, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(11, 14, 21, 0.96);
  box-shadow: var(--elevation-7);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-brand .brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm-3);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-9) 100%);
  color: #000;
  font-family: var(--font-h2);
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--elevation-11);
}

.nav-brand .brand-title {
  font-family: var(--font-h4);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  display: block;
}

.nav-brand .brand-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  display: block;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  box-shadow: var(--elevation-9);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm-5);
  align-items: center;
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-7) 100%);
  color: #030a16;
  box-shadow: var(--elevation-5);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--elevation-9);
  color: #000;
}

.btn-secondary {
  background: var(--color-surface-glass);
  color: #fff;
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: rgba(0, 242, 254, 0.08);
  color: var(--color-accent);
  box-shadow: var(--elevation-10);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   HERO HUD TERMINAL (Section - Hero HUD Terminal)
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 150px;
  padding-bottom: 64px;
  position: relative;
  overflow: hidden;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.28fr 0.72fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 780px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 12px;
  color: #fff;
  margin-bottom: 24px;
  backdrop-filter: blur(14px);
  box-shadow: var(--elevation-10);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-alt);
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 2px solid var(--color-accent-alt);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 56px);
  font-weight: 700;
  line-height: clamp(2.8rem, 5vw, 64px);
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: #fff;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-5) 45%, var(--color-accent-12) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-body-lg);
  font-size: 18px;
  line-height: 28px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.hero-subtitle strong {
  color: #fff;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}

/* Executive KPI Stats Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.stat-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  padding: 16px 18px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  transition: all var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-5);
}

.stat-number {
  font-family: var(--font-h2);
  font-size: 32px;
  font-weight: 700;
  line-height: 36px;
  color: #fff;
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-number .stat-accent {
  color: var(--color-accent);
  font-size: 24px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 16px;
  color: var(--color-text-muted);
}

/* Profile Picture HUD Frame */
.hero-avatar-wrapper {
  display: flex;
  justify-content: center;
}

.avatar-card {
  position: relative;
  background: linear-gradient(145deg, rgba(16, 19, 26, 0.9) 0%, rgba(11, 14, 21, 0.96) 100%);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg-2);
  padding: 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--elevation-14), var(--elevation-10);
  backdrop-filter: blur(20px);
  text-align: center;
  transition: all var(--transition-smooth);
}

.avatar-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--elevation-14), var(--elevation-11);
  transform: translateY(-4px);
}

.avatar-hud-bracket {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--color-accent);
  pointer-events: none;
}
.avatar-hud-bracket.top-left { top: 12px; left: 12px; border-top: 2px solid var(--color-accent); border-left: 2px solid var(--color-accent); }
.avatar-hud-bracket.top-right { top: 12px; right: 12px; border-top: 2px solid var(--color-accent); border-right: 2px solid var(--color-accent); }
.avatar-hud-bracket.bottom-left { bottom: 12px; left: 12px; border-bottom: 2px solid var(--color-accent); border-left: 2px solid var(--color-accent); }
.avatar-hud-bracket.bottom-right { bottom: 12px; right: 12px; border-bottom: 2px solid var(--color-accent); border-right: 2px solid var(--color-accent); }

.avatar-image-container {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 10px auto 18px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-9) 100%);
  box-shadow: var(--elevation-11);
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: #0d111a;
  display: block;
}

.avatar-overlay-badge {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  border: 1px solid var(--color-accent-alt);
  color: var(--color-accent-alt);
  padding: 4px 12px;
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--elevation-4);
}

.avatar-details {
  margin-top: 12px;
}

.avatar-name {
  font-family: var(--font-h3);
  font-size: 24px;
  color: #fff;
  margin-bottom: 4px;
}

.avatar-role {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 4px;
}

.avatar-sub {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.avatar-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

.social-mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm-5);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.social-mini-btn:hover {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--elevation-10);
}

.avatar-change-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 10px;
  border-radius: var(--radius-sm-6);
  border: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ==========================================================================
   CAREER EXPERIENCE TIMELINE (Early Section - 1280x830 Frame)
   ========================================================================== */
.timeline-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-9), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 64px;
  margin-bottom: 32px;
}

.timeline-marker {
  position: absolute;
  top: 6px;
  left: 15px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-background);
  border: 3px solid var(--color-accent);
  box-shadow: var(--elevation-9);
  z-index: 2;
}

.timeline-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  transition: all var(--transition-smooth);
}

.timeline-card:hover {
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-5);
  transform: translateX(6px);
}

.timeline-period {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--color-border-bright);
  padding: 3px 10px;
  border-radius: var(--radius-sm-6);
  margin-bottom: 8px;
}

.timeline-role {
  font-family: var(--font-h4);
  font-size: 20px;
  color: #fff;
  margin-bottom: 4px;
}

.timeline-company {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   FEATURED FLAGSHIP CASE STUDIES (1280x1408 Frame)
   ========================================================================== */
.flagship-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.flagship-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  overflow: hidden;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}

.flagship-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-14), var(--elevation-10);
}

.flagship-media {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: #090c13;
  overflow: hidden;
}

.flagship-media img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.flagship-card:hover .flagship-media img {
  transform: scale(1.05);
}

.flagship-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 14, 21, 0.9);
  backdrop-filter: blur(8px);
  padding: 5px 12px;
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  border: 1px solid var(--color-border-bright);
  z-index: 2;
}

.flagship-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #030a16;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: var(--elevation-9);
  z-index: 3;
}

.flagship-card:hover .flagship-play-btn {
  transform: translate(-50%, -50%) scale(1.14);
  background: #ffffff;
}

.flagship-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.flagship-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm-6);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.flagship-title {
  font-family: var(--font-h4);
  font-size: 22px;
  margin-bottom: 10px;
  color: #fff;
}

.flagship-desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.flagship-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   CORE ARCHITECTURAL PILLARS (1280x631 Frame)
   ========================================================================== */
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.arch-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 32px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.arch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-9));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.arch-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-5);
}

.arch-card:hover::before {
  opacity: 1;
}

.arch-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm-3);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--color-border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 18px;
  box-shadow: var(--elevation-10);
}

.arch-title {
  font-family: var(--font-h4);
  font-size: 20px;
  margin-bottom: 10px;
  color: #fff;
}

.arch-desc {
  font-size: 14px;
  line-height: 24px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   PROJECTS HUB & FILTER BAR (VR, AR, 3D, 2D, Editor Tools)
   ========================================================================== */
.projects-filter-bar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tab-btn {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.tab-btn:hover {
  border-color: var(--color-border-bright);
  color: #fff;
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.16), rgba(87, 27, 193, 0.25));
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--elevation-10);
}

.tab-count {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

.tab-btn.active .tab-count {
  background: var(--color-accent);
  color: #000;
}

.search-box-wrapper {
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  padding: 14px 20px 14px 46px;
  border-radius: var(--radius-lg);
  color: #fff;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--elevation-11);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1.15rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px);
  box-shadow: var(--elevation-7);
  transition: all var(--transition-smooth);
  position: relative;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-5);
}

.project-thumbnail {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #090c13;
  overflow: hidden;
}

.project-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.project-card:hover .project-thumbnail img {
  transform: scale(1.06);
}

.project-category-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(11, 14, 21, 0.9);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: var(--radius-sm-6);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  border: 1px solid var(--color-border-bright);
  z-index: 2;
}

.play-badge-overlay {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-sm-6);
  font-size: 11px;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

.project-content {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-h4);
  font-size: 19px;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.3;
}

.project-desc {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  line-height: 22px;
  margin-bottom: 18px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.project-links {
  display: flex;
  gap: 8px;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm-5);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 15px;
  transition: all var(--transition-fast);
}

.icon-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(0, 242, 254, 0.1);
  box-shadow: var(--elevation-10);
}

/* ==========================================================================
   3D MODELS SHOWROOM
   ========================================================================== */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.model-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-violet);
  box-shadow: var(--elevation-14);
}

.model-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.model-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm-4);
  background: linear-gradient(135deg, rgba(87, 27, 193, 0.25), rgba(0, 242, 254, 0.2));
  border: 1px solid var(--color-border-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.3rem;
}

.model-title {
  font-family: var(--font-h4);
  font-size: 18px;
  color: #fff;
  margin-bottom: 14px;
}

.model-stats-hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(11, 14, 21, 0.7);
  border: 1px solid var(--color-border);
  padding: 10px;
  border-radius: var(--radius-sm-5);
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.hud-item {
  text-align: center;
}

.hud-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.hud-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
}

/* ==========================================================================
   TESTIMONIALS (1280x527 Frame)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 32px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-bright);
}

.quote-icon {
  font-size: 2.4rem;
  color: rgba(0, 242, 254, 0.2);
  line-height: 1;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 24px;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-9) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-h2);
  font-weight: 700;
  color: #000;
}

.author-role {
  font-family: var(--font-h4);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

/* ==========================================================================
   TECHNICAL FAQ ACCORDION (1280x458 Frame)
   ========================================================================== */
.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(14px);
  box-shadow: var(--elevation-7);
  transition: all var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--color-border-bright);
}

.faq-header {
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-question {
  font-family: var(--font-h4);
  font-size: 17px;
  color: #fff;
  font-weight: 600;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition-smooth);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
  padding: 0 26px;
}

.faq-item.active .faq-body {
  max-height: 400px;
  padding-bottom: 22px;
}

.faq-content {
  font-size: 14.5px;
  color: var(--color-text-secondary);
  line-height: 24px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ==========================================================================
   RESUME BANNER
   ========================================================================== */
.resume-banner {
  background: linear-gradient(135deg, rgba(16, 19, 26, 0.92) 0%, rgba(11, 14, 21, 0.98) 100%);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg-2);
  padding: 44px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  backdrop-filter: blur(20px);
  box-shadow: var(--elevation-14), var(--elevation-10);
}

.resume-info h3 {
  font-family: var(--font-h3);
  font-size: 26px;
  color: #fff;
  margin-bottom: 8px;
}

.resume-info p {
  color: var(--color-text-secondary);
  max-width: 620px;
  font-size: 15px;
  line-height: 24px;
}

/* ==========================================================================
   EXECUTIVE DIRECT COLLABORATION TERMINAL (Contact Section)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
}

.contact-info-card h3 {
  font-family: var(--font-h3);
  font-size: 24px;
  color: #fff;
  margin-bottom: 12px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 26px 0;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-text-primary);
  font-size: 14px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm-4);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--color-border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.2rem;
  box-shadow: var(--elevation-10);
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 17px;
  transition: all var(--transition-smooth);
}

.social-btn:hover {
  color: #000;
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--elevation-9);
}

.contact-form-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: var(--elevation-7);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(11, 14, 21, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm-4);
  padding: 12px 16px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: var(--elevation-11);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* ==========================================================================
   FOOTER (1280x238 Frame with HorizontalBorder)
   ========================================================================== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   MODAL SYSTEM
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 10, 0.88);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg-2);
  width: 100%;
  max-width: 900px;
  overflow: hidden;
  box-shadow: var(--elevation-14), var(--elevation-11);
  transform: scale(0.92) translateY(20px);
  transition: all var(--transition-smooth);
  position: relative;
}

.modal-overlay.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 14, 21, 0.8);
}

.modal-title {
  font-family: var(--font-h4);
  font-size: 18px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 12px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm-5);
  flex-shrink: 0;
}

.modal-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
}

.modal-body iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
/* ==========================================================================
   SUBPAGE & SPECIALIZED HUD MODULES (DESIGN.md Frames 2, 3, 4)
   ========================================================================== */

/* Subpage HUD Hero Banner */
.subpage-hero {
  padding-top: 150px;
  padding-bottom: 48px;
  position: relative;
}

.subpage-header-hud {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--elevation-7);
}

.subpage-header-hud::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.subpage-telemetry-ribbon {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.telemetry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm-7);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--color-border-bright);
  color: var(--color-accent);
}

.telemetry-tag.violet {
  background: rgba(208, 188, 255, 0.08);
  border-color: var(--color-border-violet);
  color: var(--color-accent-3);
}

.telemetry-tag.green {
  background: rgba(78, 222, 163, 0.08);
  border-color: rgba(78, 222, 163, 0.35);
  color: var(--color-accent-alt);
}

/* Sensor Pipelines Ribbon (DESIGN.md Frame 2) */
.sensor-ribbon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.sensor-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform var(--transition-smooth), border-color var(--transition-fast), box-shadow var(--transition-smooth);
}

.sensor-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--elevation-5);
}

.sensor-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.sensor-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm-3);
  background: rgba(0, 242, 254, 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.sensor-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-alt);
  box-shadow: 0 0 8px var(--color-accent-alt);
}

.sensor-card-title {
  font-family: var(--font-h4);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.sensor-card-desc {
  font-family: var(--font-body-sm);
  font-size: 13.5px;
  line-height: 20px;
  color: var(--color-text-secondary);
}

/* Mid-Screen Callout Banner (DESIGN.md Frame 2) */
.telemetry-callout-banner {
  background: linear-gradient(135deg, rgba(16, 19, 26, 0.95), rgba(25, 27, 35, 0.95));
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg-2);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 48px 0;
  box-shadow: var(--elevation-11);
  position: relative;
  overflow: hidden;
}

.telemetry-callout-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
}

.callout-content h3 {
  font-family: var(--font-h3);
  font-size: 22px;
  color: #fff;
  margin-bottom: 8px;
}

.callout-content p {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--color-text-secondary);
  max-width: 680px;
}

/* Deep Architecture Breakdown Cards (DESIGN.md Frame 3) */
.deep-arch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.deep-arch-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 32px;
  position: relative;
  transition: transform var(--transition-smooth), border-color var(--transition-fast);
}

.deep-arch-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-bright);
  box-shadow: var(--elevation-10);
}

.deep-arch-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.deep-arch-title {
  font-family: var(--font-h4);
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
}

.deep-arch-desc {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 22px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.deep-arch-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(132, 148, 149, 0.15);
}

.spec-pill {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-accent-alt);
  background: rgba(78, 222, 163, 0.08);
  padding: 3px 8px;
  border-radius: var(--radius-sm-7);
}

/* Visual Inset / Screen Flow Highlight (DESIGN.md Frame 4) */
.workflow-pipeline-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
}

.workflow-step {
  text-align: center;
  position: relative;
}

.step-number {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.step-label {
  font-family: var(--font-h4);
  font-size: 14px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-sub {
  font-family: var(--font-body-sm);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Interactive Demo / Tool Profile Selector (DESIGN.md Frame 4) */
.tool-profile-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg-2);
  padding: 32px;
  box-shadow: var(--elevation-7);
}

.profile-selector-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.profile-tab-btn {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 18px;
  border-radius: var(--radius-sm-5);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.profile-tab-btn.active, .profile-tab-btn:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.profile-display-card {
  background: #080a0f;
  border: 1px solid rgba(132, 148, 149, 0.2);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 22px;
  color: #b9cacb;
  overflow-x: auto;
}

.profile-display-card pre {
  margin: 0;
}

/* Dual Call to Action Banner (DESIGN.md Frame 4) */
.dual-cta-banner {
  background: linear-gradient(135deg, rgba(25, 27, 35, 0.95), rgba(16, 19, 26, 0.95));
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg-2);
  padding: 48px;
  text-align: center;
  box-shadow: var(--elevation-14);
}

.dual-cta-banner h2 {
  font-family: var(--font-h2);
  font-size: 32px;
  color: #fff;
  margin-bottom: 12px;
}

.dual-cta-banner p {
  max-width: 680px;
  margin: 0 auto 28px;
  font-size: 16px;
  color: var(--color-text-secondary);
}

.dual-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVENESS
   ========================================================================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 32px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .flagship-grid, .architecture-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .sensor-ribbon-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workflow-pipeline-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .sensor-ribbon-grid {
    grid-template-columns: 1fr;
  }

  .telemetry-callout-banner {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }

  .deep-arch-grid {
    grid-template-columns: 1fr;
  }

  .workflow-pipeline-strip {
    grid-template-columns: 1fr;
  }

  .dual-cta-banner {
    padding: 32px 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  /* Telemetry bar on mobile */
  .top-telemetry-bar {
    font-size: 10px;
    height: 36px;
  }

  .telemetry-left span:nth-child(n+3),
  .telemetry-right span:first-child {
    display: none;
  }

  .navbar {
    top: 36px;
    height: 70px;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(11, 14, 21, 0.98);
    backdrop-filter: blur(28px);
    flex-direction: column;
    padding: 24px 20px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-160%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  /* Hero on mobile */
  .hero {
    padding-top: 120px;
    padding-bottom: 48px;
    min-height: auto;
  }

  .hero-grid {
    display: flex;
    flex-direction: column-reverse;
    gap: 32px;
  }

  .hero-content {
    text-align: center;
  }

  .status-pill {
    font-size: 11px;
    padding: 6px 14px;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: 32px;
    line-height: 40px;
    margin-bottom: 14px;
  }

  .hero-subtitle {
    font-size: 15px;
    line-height: 24px;
    margin-bottom: 24px;
  }

  .hero-actions {
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding-top: 20px;
  }

  .stat-card {
    padding: 12px 14px;
  }

  .stat-number {
    font-size: 26px;
    line-height: 30px;
  }

  .stat-label {
    font-size: 10px;
  }

  .avatar-card {
    max-width: 320px;
    padding: 20px 16px;
  }

  .avatar-image-container {
    width: 160px;
    height: 160px;
  }

  /* Timeline on mobile */
  .timeline-wrapper::before {
    left: 14px;
  }

  .timeline-item {
    padding-left: 42px;
    margin-bottom: 26px;
  }

  .timeline-marker {
    left: 7px;
    width: 16px;
    height: 16px;
    top: 4px;
  }

  .timeline-card {
    padding: 18px 20px;
  }

  .timeline-role {
    font-size: 18px;
  }

  .timeline-desc {
    font-size: 13px;
  }

  /* Horizontal swipe for tabs */
  .category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 4px 6px 12px 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .category-tabs::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    padding: 8px 14px;
    font-size: 13px;
    flex-shrink: 0;
  }

  .search-box-wrapper {
    max-width: 100%;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .models-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .flagship-body {
    padding: 20px 18px;
  }

  .flagship-title {
    font-size: 20px;
  }

  .flagship-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .flagship-footer .btn {
    width: 100%;
  }

  .resume-banner {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }

  .resume-info h3 {
    font-size: 22px;
  }

  .contact-info-card, .contact-form-card {
    padding: 24px 18px;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
    line-height: 36px;
  }

  .avatar-card {
    max-width: 290px;
    padding: 18px 14px;
  }

  .avatar-image-container {
    width: 140px;
    height: 140px;
  }

  .modal-dialog {
    max-width: 96vw;
  }
}