/* ===================================================================
   YATIN JANGRA PORTFOLIO - MODERN BACKEND DEVELOPER & REALISTIC DOORS
   Theme: Supports Dark & Light (White) Mode with Seamless Toggle
   =================================================================== */

/* -------------------------------------------------------------------
   1. COLOR SYSTEM & CSS VARIABLES (Dark & Warm Light Mode like Video)
   ------------------------------------------------------------------- */
:root, [data-theme="dark"] {
  --bg-deep: #07090e;
  --bg-main: #0c1017;
  --bg-surface: #111722;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 38, 58, 0.85);
  --bg-terminal: #0b0f19;
  --header-bg: rgba(7, 9, 14, 0.88);

  --text-pure: #ffffff;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.35);
  --box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);

  --pill-bg: #ffffff;
  --pill-text: #0b0f19;
  --pill-shadow: 0 8px 24px rgba(255, 255, 255, 0.18);
  
  --canvas-opacity: 0.55;

  /* Door Colors (Rich Architectural Tones) */
  --door-blue-1: #1e3a8a;
  --door-blue-2: #0f172a;
  --door-gold-1: #b45309;
  --door-gold-2: #451a03;
  --door-teal-1: #0f766e;
  --door-teal-2: #042f2e;
  --door-rose-1: #9f1239;
  --door-rose-2: #4c0519;
  --door-frame-bg: #090d15;
  --door-frame-border: #1e293b;

  /* Pull Cord Theme Colors */
  --cord-string-color: #94a3b8;
  --cord-knob-bg: linear-gradient(180deg, #d97706 0%, #78350f 100%);
  --cord-knob-border: #fef08a;
}

[data-theme="light"] {
  /* Warm creamy off-white background matching the video */
  --bg-deep: #faf8f5;
  --bg-main: #ffffff;
  --bg-surface: #f3efe8;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: #ffffff;
  --bg-terminal: #111827; /* Terminal stays coder-dark */
  --header-bg: rgba(250, 248, 245, 0.92);

  --text-pure: #18181b;
  --text-main: #27272a;
  --text-muted: #52525b;
  --text-dim: #71717a;

  --border-subtle: rgba(24, 24, 27, 0.08);
  --border-glow: rgba(2, 132, 199, 0.35);
  --box-shadow: 0 16px 36px rgba(24, 24, 27, 0.06);

  --pill-bg: #18181b;
  --pill-text: #ffffff;
  --pill-shadow: 0 8px 24px rgba(24, 24, 27, 0.18);

  --canvas-opacity: 0.22;

  /* Door Colors (Crisp in Light Mode) */
  --door-blue-1: #1d4ed8;
  --door-blue-2: #1e3a8a;
  --door-gold-1: #d97706;
  --door-gold-2: #92400e;
  --door-teal-1: #0d9488;
  --door-teal-2: #115e59;
  --door-rose-1: #be123c;
  --door-rose-2: #881337;
  --door-frame-bg: #e5e0d8;
  --door-frame-border: #d4cdc3;

  /* Pull Cord */
  --cord-string-color: #71717a;
  --cord-knob-bg: linear-gradient(180deg, #ca8a04 0%, #854d0e 100%);
  --cord-knob-border: #fef08a;
}

:root {
  --accent-cyan: #0284c7;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --max-width: 1200px;
  --header-height: 74px;
  --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  position: relative;
}

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

/* Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: var(--canvas-opacity);
  transition: opacity 0.4s ease;
}

/* ===================================================================
   ULTRA-REALISTIC HANGING LAMP PULL-CORD SWITCH
   Lathe-turned Walnut & Brass Acorn Fob with Dynamic SVG String Physics
   =================================================================== */
.hanging-pull-cord {
  position: fixed;
  top: 0;
  right: 36px;
  width: 60px;
  height: 240px;
  z-index: 1001;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  outline: none !important;
  border: none !important;
  -webkit-tap-highlight-color: transparent !important;
}

.hanging-pull-cord:focus,
.hanging-pull-cord:focus-visible,
.hanging-pull-cord:active {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

.hanging-pull-cord.is-pulling {
  cursor: grabbing;
}

/* Turned Brass Ceiling Canopy / Rosette Mount */
.cord-ceiling-mount {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 10px;
  z-index: 10;
  pointer-events: none;
}

.mount-plate {
  width: 24px;
  height: 4px;
  background: linear-gradient(90deg, #78350f, #ca8a04, #fef08a, #ca8a04, #78350f);
  border-radius: 0 0 2px 2px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.45);
}

.mount-bezel {
  width: 12px;
  height: 6px;
  margin: 0 auto;
  background: linear-gradient(90deg, #451a03, #b45309, #fde047, #b45309, #451a03);
  border-radius: 0 0 3px 3px;
  box-shadow: inset 0 -1px 2px rgba(0, 0, 0, 0.6);
}

/* Dynamic SVG Cord Canvas */
.cord-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 5;
}

/* The 3D Acorn Pull Knob */
.cord-knob {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, 130px);
  width: 22px;
  height: 38px;
  z-index: 6;
  pointer-events: none;
  transform-origin: 50% 2px;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.55));
  transition: filter 0.25s ease;
}

.hanging-pull-cord:hover .cord-knob {
  filter: drop-shadow(0 10px 18px rgba(245, 158, 11, 0.35)) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.6));
}

.knob-ferrule {
  width: 10px;
  height: 5px;
  margin: 0 auto;
  background: linear-gradient(90deg, #78350f, #fde047, #ca8a04, #78350f);
  border-radius: 2px 2px 0 0;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.knob-wood-body {
  position: relative;
  width: 20px;
  height: 25px;
  margin: 0 auto;
  border-radius: 5px 5px 10px 10px;
  background: linear-gradient(135deg, #7c2d12 0%, #451a03 50%, #291002 100%);
  box-shadow: inset 2px 0 3px rgba(255, 255, 255, 0.25), inset -2px 0 3px rgba(0, 0, 0, 0.65), 0 3px 6px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.knob-specular {
  position: absolute;
  top: 2px;
  left: 3px;
  width: 4px;
  height: 18px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.1) 60%, transparent 100%);
  border-radius: 2px;
  filter: blur(0.5px);
}

.knob-ring-groove {
  position: absolute;
  top: 11px;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(254, 240, 138, 0.25);
}

.knob-brass-tip {
  width: 6px;
  height: 6px;
  margin: -1px auto 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fef08a 0%, #ca8a04 55%, #78350f 100%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.knob-lamp-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.35) 0%, rgba(251, 191, 36, 0.08) 45%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s ease;
  filter: blur(6px);
}

[data-theme="light"] .knob-lamp-glow {
  opacity: 1;
}

/* Floating Tooltip */
.cord-tooltip {
  position: absolute;
  top: 172px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 99px;
  background: var(--bg-card);
  color: var(--accent-cyan);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  white-space: nowrap;
}

.hanging-pull-cord:hover .cord-tooltip {
  opacity: 1;
  transform: translateY(2px);
}

.hanging-pull-cord.is-pulling .cord-tooltip {
  opacity: 0;
  transform: translateY(6px);
}

/* Ambient Ceiling Lamp Glow (Smooth lighting bloom in Light Mode) */
.ceiling-lamp-glow {
  position: fixed;
  top: -60px;
  right: 0;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle at 80% 20%, rgba(254, 240, 138, 0.22) 0%, rgba(251, 191, 36, 0.08) 35%, transparent 70%);
  pointer-events: none;
  z-index: 998;
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] .ceiling-lamp-glow {
  opacity: 1;
}

/* ===================================================================
   NAVIGATION BAR
   =================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background-color 0.35s ease, border-color 0.35s ease;
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-pure);
}

.logo-bracket { color: #38bdf8; }
.logo-dot { color: #f43f5e; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  position: relative;
}

.nav-link i {
  font-size: 0.8rem;
  color: #38bdf8;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: #38bdf8;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: 48px; /* Offset for hanging cord */
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-pure);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.sun-icon { display: none; color: #f59e0b; }
.moon-icon { display: block; color: #38bdf8; }

[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.social-icon-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-2px);
}

.btn-hire {
  padding: 9px 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-hire:hover {
  box-shadow: 0 6px 22px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--text-pure);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===================================================================
   HERO SECTION ("Hi, I'm Yatin. I am a [Pill Badge]" like Video)
   =================================================================== */
.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-greeting {
  font-family: var(--font-display);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-pure);
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #6366f1 60%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* The Animated Role Pill from the Video */
.hero-role-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.role-intro {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-pure);
}

.role-pill-box {
  display: inline-flex;
  align-items: center;
  height: 54px;
  perspective: 600px;
}

.role-pill {
  display: inline-block;
  padding: 8px 22px;
  border-radius: 99px;
  background-color: var(--pill-bg);
  color: var(--pill-text);
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  box-shadow: var(--pill-shadow);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
  white-space: nowrap;
}

.hero-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 32px;
}

.hero-subtext strong {
  color: var(--text-pure);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 38px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 9px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.5);
}

.btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-pure);
}

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

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: #0284c7;
  font-family: var(--font-mono);
}

.btn-ghost:hover {
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-2px);
}

.hero-stat-badges {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.stat-badge .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-pure);
}

.stat-badge .stat-txt {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

/* Portrait Card */
.creator-portrait-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: var(--transition);
}

.creator-portrait-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.portrait-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 22px;
}

.traffic-dots {
  display: flex;
  gap: 7px;
}

.traffic-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.portrait-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.portrait-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  font-weight: 600;
}

/* Real Developer Photo Display */
.portrait-photo-container {
  position: relative;
  width: 100%;
  margin-bottom: 22px;
}

.photo-ambient-glow {
  position: absolute;
  top: 15%;
  left: 10%;
  right: 10%;
  bottom: 10%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.35) 0%, rgba(99, 102, 241, 0.2) 50%, transparent 75%);
  border-radius: 20px;
  filter: blur(28px);
  z-index: 1;
  pointer-events: none;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.creator-portrait-card:hover .photo-ambient-glow {
  opacity: 1;
}

.photo-frame {
  position: relative;
  width: 100%;
  height: 330px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  background: #090d16;
  z-index: 2;
}

[data-theme="light"] .photo-frame {
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  background: #f1ede6;
}

.portrait-real-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  display: block;
  transform: scale(1.01);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.creator-portrait-card:hover .portrait-real-img {
  transform: scale(1.05);
}

.photo-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 15, 25, 0.75) 0%, rgba(11, 15, 25, 0.1) 40%, transparent 70%);
  pointer-events: none;
}

[data-theme="light"] .photo-vignette {
  background: linear-gradient(to top, rgba(250, 248, 245, 0.75) 0%, rgba(250, 248, 245, 0.1) 40%, transparent 70%);
}

.photo-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 99px;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #10b981;
  font-weight: 600;
  z-index: 3;
}

[data-theme="light"] .photo-badge {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.1);
  color: #059669;
}

.portrait-bio {
  text-align: center;
  margin-bottom: 20px;
}

.portrait-bio h3 {
  font-size: 1.5rem;
  color: var(--text-pure);
  margin-bottom: 4px;
}

.portrait-subtitle {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.portrait-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.portrait-tags span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.portrait-actions {
  display: flex;
  gap: 10px;
}

.p-btn {
  flex: 1;
  text-align: center;
  padding: 9px 0;
  border-radius: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.p-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border-color: var(--border-glow);
}

/* ===================================================================
   REALISTIC 3D ARCHITECTURAL DOORS ("Magic happens behind the doors")
   =================================================================== */
.doors-section {
  background: var(--bg-surface);
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.35s ease;
}

.doors-header {
  text-align: center;
  margin-bottom: 60px;
}

.doors-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.5px;
}

.doors-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 10px;
}

.doors-stage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  perspective: 1500px;
  margin-bottom: 40px;
}

.door-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/* Realistic Architectural Door Casing (Wall Opening & Jamb) */
.door-casing {
  width: 100%;
  padding: 10px;
  background: var(--door-frame-border);
  border-radius: 130px 130px 12px 12px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25), inset 0 2px 5px rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  position: relative;
}

.door-wrapper:hover .door-casing {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35), 0 0 25px rgba(56, 189, 248, 0.2);
}

.door-frame {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: 120px 120px 8px 8px;
  background: var(--door-frame-bg);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
  perspective: 1200px;
  overflow: visible;
}

/* Interior Chamber inside the door */
.door-interior {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 120px 120px 8px 8px;
  padding: 30px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

.door-interior:focus-visible {
  box-shadow: 0 0 0 3px #38bdf8;
}

.door-interior:hover {
  transform: scale(1.015);
}

.door-interior-jarvis { background: radial-gradient(circle at 50% 35%, rgba(56, 189, 248, 0.32) 0%, #070e1b 85%); }
.door-interior-nova { background: radial-gradient(circle at 50% 35%, rgba(245, 158, 11, 0.32) 0%, #150e05 85%); }
.door-interior-boutique { background: radial-gradient(circle at 50% 35%, rgba(16, 185, 129, 0.32) 0%, #061612 85%); }
.door-interior-tech { background: radial-gradient(circle at 50% 35%, rgba(244, 63, 94, 0.32) 0%, #17070d 85%); }

.interior-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.interior-icon {
  font-size: 2.1rem;
  color: #ffffff;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.interior-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 5px;
  color: #ffffff;
  margin-bottom: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.interior-content h4 {
  font-size: 1.25rem;
  margin-bottom: 6px;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.interior-content p {
  font-size: 0.77rem;
  color: #cbd5e1;
  line-height: 1.45;
  margin-bottom: 12px;
}

/* Inspect Details Interactive Button */
.door-inspect-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 8px 15px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  margin-bottom: 8px;
  width: auto;
}

.door-inspect-btn:hover {
  background: #ffffff;
  color: #0c1017;
  border-color: #ffffff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.35);
}

.interior-click-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: #94a3b8;
  letter-spacing: 0.3px;
  opacity: 0.95;
  margin-top: 4px;
}

.ping-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pingPulse 1.8s infinite;
}

@keyframes pingPulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 12px #10b981; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Realistic Ground Light Beam from Opened Door */
.door-floor-beam {
  position: absolute;
  bottom: -16px;
  left: 12%;
  right: 12%;
  height: 26px;
  background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.45) 0%, rgba(56, 189, 248, 0.08) 55%, transparent 80%);
  border-radius: 50%;
  filter: blur(7px);
  pointer-events: none;
  opacity: 0;
  transform: scaleX(0.7);
  transition: opacity 0.5s ease, transform 0.5s ease;
  z-index: 0;
}

.door-wrapper:hover .door-floor-beam,
.door-wrapper.opened .door-floor-beam {
  opacity: 1;
  transform: scaleX(1.15);
}

/* 3D Realistic Swinging Door Leaf */
.door-leaf {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 118px 118px 6px 6px;
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform 0.9s cubic-bezier(0.34, 1.35, 0.64, 1);
  z-index: 10;
  cursor: pointer;
  box-shadow: 6px 0 20px rgba(0, 0, 0, 0.6), inset 0 0 10px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  user-select: none;
}

/* Door Color Gradients with realistic wood depth */
.door-leaf-blue {
  background: linear-gradient(135deg, var(--door-blue-1) 0%, var(--door-blue-2) 100%);
  border: 2px solid rgba(59, 130, 246, 0.4);
}

.door-leaf-gold {
  background: linear-gradient(135deg, var(--door-gold-1) 0%, var(--door-gold-2) 100%);
  border: 2px solid rgba(245, 158, 11, 0.4);
}

.door-leaf-teal {
  background: linear-gradient(135deg, var(--door-teal-1) 0%, var(--door-teal-2) 100%);
  border: 2px solid rgba(20, 184, 166, 0.4);
}

.door-leaf-rose {
  background: linear-gradient(135deg, var(--door-rose-1) 0%, var(--door-rose-2) 100%);
  border: 2px solid rgba(244, 63, 94, 0.4);
}

/* 3D Door Swing on Hover / Opened */
.door-wrapper:hover .door-leaf,
.door-wrapper.opened .door-leaf {
  transform: rotateY(-118deg);
}

/* Realistic Brass Hinges on the Left Edge */
.door-hinge {
  position: absolute;
  left: -3px;
  width: 6px;
  height: 24px;
  background: linear-gradient(180deg, #ca8a04, #fef08a, #78350f);
  border-radius: 2px;
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
  z-index: 15;
}

.hinge-top { top: 90px; }
.hinge-mid { top: 200px; }
.hinge-bottom { bottom: 35px; }

/* Metallic Plaque / Sign */
.door-plaque {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(254, 240, 138, 0.9), rgba(202, 138, 4, 0.9));
  color: #451a03;
  font-family: var(--font-mono);
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  margin-top: 14px;
}

.plaque-number {
  font-size: 1rem;
  padding-right: 6px;
  border-right: 1px solid rgba(69, 26, 3, 0.4);
}

.plaque-title {
  font-size: 0.74rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Realistic Recessed Wood Panels */
.wood-panel {
  width: 82%;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
  box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.5), inset -1px -1px 3px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.3);
  margin-top: 14px;
}

.panel-upper { height: 48px; }
.panel-middle { height: 60px; }
.panel-lower { height: 68px; }

.wood-panel-inner {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Realistic Brass Lever Handle & Escutcheon Plate */
.brass-handle-set {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
}

.brass-backplate {
  position: relative;
  width: 16px;
  height: 68px;
  background: linear-gradient(180deg, #fef08a 0%, #ca8a04 40%, #854d0e 80%, #ca8a04 100%);
  border-radius: 4px;
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.65), inset 0 0 2px rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(120, 53, 15, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.screw {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #451a03;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.8);
}

.brass-lever {
  position: absolute;
  top: 22px;
  right: 6px;
  width: 26px;
  height: 7px;
  background: linear-gradient(180deg, #fef08a, #ca8a04 60%, #78350f);
  border-radius: 3px;
  box-shadow: 2px 4px 6px rgba(0, 0, 0, 0.6);
  transform-origin: right center;
  transition: transform 0.25s ease;
}

.door-wrapper:hover .brass-lever {
  transform: rotate(18deg);
}

.keyhole {
  width: 4px;
  height: 8px;
  background: #1c1917;
  border-radius: 2px 2px 1px 1px;
  margin-top: 10px;
}

.door-edge-bevel {
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.5));
  border-radius: 0 6px 6px 0;
}

.door-open-hint {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.45);
  padding: 4px 10px;
  border-radius: 99px;
  backdrop-filter: blur(4px);
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.door-caption {
  margin-top: 16px;
  text-align: center;
}

.caption-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 1px;
}

.caption-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-pure);
}

.doors-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-door-toggle {
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-door-toggle:hover {
  background: var(--bg-surface);
  color: var(--accent-cyan);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

/* ===================================================================
   FEATURED BACKEND PROJECTS
   =================================================================== */
.projects-section {
  padding: 110px 0;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-title-wrap {
  margin-bottom: 50px;
}

.section-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.5px;
}

.section-line {
  width: 50px;
  height: 3px;
  background: var(--accent-cyan);
  margin-top: 14px;
}

.project-showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 38px;
  box-shadow: var(--box-shadow);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: var(--transition);
}

.project-showcase-card.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.project-showcase-card.reverse .showcase-left { order: 2; }
.project-showcase-card.reverse .showcase-right { order: 1; }

.project-showcase-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.showcase-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.tag-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  font-weight: 600;
}

.tag-category {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}

.showcase-title {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.showcase-description {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
}

.feature-bullets {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.bullet-item i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.bullet-item strong {
  color: var(--text-pure);
  display: block;
}

.bullet-item span {
  color: var(--text-muted);
}

.tech-stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.tech-stack-chips span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 5px 11px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.tech-stack-chips span:hover {
  border-color: var(--border-glow);
  color: var(--accent-cyan);
}

/* Terminal Mockup on Project Cards */
.terminal-mockup {
  background: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
}

.term-title {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.term-badge {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  font-weight: 600;
}

.terminal-content {
  padding: 20px;
  font-size: 0.84rem;
  line-height: 1.7;
}

.t-dim { color: var(--text-dim); }
.t-green { color: #10b981; }
.t-cyan { color: #38bdf8; }
.t-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 12px 0;
}
.t-user .label { color: #f59e0b; font-weight: 700; }
.t-bot .label { color: #6366f1; font-weight: 700; }

/* ===================================================================
   EXCLUSIVE YEAR 2026 SECTION
   =================================================================== */
.time-machine-section {
  padding: 110px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.time-header {
  text-align: center;
  margin-bottom: 50px;
}

.time-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-pure);
}

.time-machine-container.single-year {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.time-year-col {
  text-align: center;
  padding: 40px;
}

.year-giant-display {
  font-family: var(--font-display);
  font-size: 6.8rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
}

.year-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 8px 18px;
  border-radius: 99px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-pure);
  margin-top: 14px;
}

.year-grid-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.milestone-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 22px;
  transition: var(--transition);
}

.milestone-box:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
}

.m-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.milestone-box h4 {
  font-size: 1.1rem;
  color: var(--text-pure);
  margin-bottom: 8px;
}

.milestone-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.m-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
  font-weight: 700;
  text-transform: uppercase;
}

/* ===================================================================
   TECHNICAL BACKEND SKILLS ARSENAL
   =================================================================== */
.skills-section {
  padding: 110px 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.skill-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.py-icon { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.voice-icon { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.torch-icon { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.cv-icon { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.fast-icon { background: rgba(20, 184, 166, 0.15); color: #14b8a6; }
.api-icon { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.sql-icon { background: rgba(2, 132, 199, 0.15); color: #0284c7; }
.git-icon { background: rgba(244, 63, 94, 0.15); color: #f43f5e; }

.skill-header h4 {
  font-size: 1.05rem;
  color: var(--text-pure);
}

.skill-tag-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.skill-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===================================================================
   INTERACTIVE CLI TERMINAL
   =================================================================== */
.terminal-section {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.cli-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.cli-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
}

.cli-user {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.cli-tip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.cli-output {
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  max-height: 380px;
  overflow-y: auto;
  color: var(--text-main);
}

.cli-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.cli-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--border-subtle);
}

.cli-prompt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.cli-prompt .u { color: #10b981; font-weight: 700; }
.cli-prompt .at { color: var(--text-dim); }
.cli-prompt .h { color: #38bdf8; font-weight: 700; }
.cli-prompt .p { color: #f59e0b; }

#cli-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.highlight { color: #38bdf8; font-weight: 700; }
.cmd-run { color: #f1f5f9; }
.cmd-info { color: #38bdf8; }
.cmd-success { color: #10b981; }
.cmd-error { color: #f43f5e; }

/* ===================================================================
   CONTACT SECTION
   =================================================================== */
.contact-section {
  padding: 110px 0;
}

.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 56px 48px;
  box-shadow: var(--box-shadow);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.contact-header {
  margin-bottom: 40px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 8px;
}

.contact-big-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-pure);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.contact-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 40px;
}

.contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.c-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.c-info {
  flex: 1;
  overflow: hidden;
}

.c-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.c-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-pure);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.c-action {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.05rem;
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
}

.c-action:hover {
  color: var(--accent-cyan);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-deep);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-pure);
}

.f-left p {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.f-center p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.f-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.f-right a, .back-top {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.f-right a:hover, .back-top:hover {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
  background: rgba(56, 189, 248, 0.15);
}

/* ===================================================================
   PROJECT DEEP-DIVE MODAL DOSSIER (Opened when clicking inside doors)
   =================================================================== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 7, 13, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: opacity 0.35s ease;
}

[data-theme="light"] .modal-backdrop {
  background: rgba(220, 215, 205, 0.78);
}

.modal-dialog {
  position: relative;
  z-index: 2;
  width: 92%;
  max-width: 980px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-container {
  background: var(--bg-main);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 35px rgba(56, 189, 248, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
  max-height: 88vh;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .modal-container {
  background: #ffffff;
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18), 0 0 30px rgba(2, 132, 199, 0.12);
}

/* Modal Top Window Header */
.modal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

[data-theme="light"] .modal-topbar {
  background: #f8f6f1;
}

.modal-traffic-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-traffic-dots .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.modal-traffic-dots .dot:hover {
  opacity: 0.8;
}

.modal-breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.modal-breadcrumb i {
  color: var(--accent-cyan);
}

.modal-breadcrumb .mb-target {
  color: var(--text-pure);
  font-weight: 600;
}

.modal-topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.modal-esc-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  display: none;
}

@media (min-width: 640px) {
  .modal-esc-hint { display: inline-block; }
}

.modal-esc-hint kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
}

/* Modal Body */
.modal-body {
  padding: 30px 34px;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  scroll-behavior: smooth;
}

.modal-body::-webkit-scrollbar {
  width: 7px;
}

.modal-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(56, 189, 248, 0.3);
  border-radius: 99px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(56, 189, 248, 0.6);
}

/* Modal Hero Header */
.modal-header-block {
  margin-bottom: 26px;
}

.modal-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.modal-badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.modal-badge-domain {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.modal-tagline {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Modal Quick Stats Grid */
.modal-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}

.modal-stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.2s ease;
}

.modal-stat-card:hover {
  border-color: var(--border-glow);
}

.modal-stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.modal-stat-val {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-pure);
}

/* Section Headings inside Modal */
.modal-section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  margin-top: 26px;
}

.modal-section-heading i {
  font-size: 0.82rem;
}

/* Interactive Architecture Flow Diagram */
.modal-arch-flow {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 28px;
  overflow-x: auto;
}

.arch-node {
  flex: 1;
  min-width: 135px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 14px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.arch-node:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
}

.arch-node-icon {
  font-size: 1.3rem;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.arch-node-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 3px;
}

.arch-node-desc {
  font-size: 0.68rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.arch-arrow {
  color: var(--accent-cyan);
  font-size: 1rem;
  opacity: 0.6;
  flex-shrink: 0;
}

/* Key Features Grid */
.modal-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.modal-feat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color 0.2s ease;
}

.modal-feat-card:hover {
  border-color: var(--border-glow);
}

.modal-feat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.modal-feat-info h5 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 4px;
}

.modal-feat-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Code Snippet & Terminal Output in Modal */
.modal-code-wrapper {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 26px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
}

.modal-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #0e131f;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-code-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.modal-code-title i {
  color: #38bdf8;
}

.modal-copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.modal-copy-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border-color: #38bdf8;
}

.modal-copy-btn.copied {
  background: rgba(16, 185, 129, 0.25);
  color: #10b981;
  border-color: #10b981;
}

.modal-code-block {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: pre;
}

/* Syntax Highlighting Colors */
.modal-code-block .kw { color: #f43f5e; font-weight: 600; }
.modal-code-block .fn { color: #38bdf8; }
.modal-code-block .str { color: #10b981; }
.modal-code-block .com { color: #64748b; font-style: italic; }
.modal-code-block .num { color: #f59e0b; }
.modal-code-block .var { color: #e2e8f0; }

/* Tech Stack Chips inside Modal */
.modal-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 12px;
}

.modal-tech-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.modal-tech-chip:hover {
  border-color: var(--border-glow);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

/* Modal Bottom Navigation Bar */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

[data-theme="light"] .modal-footer {
  background: #f8f6f1;
}

.modal-nav-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-nav-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.modal-nav-btn:hover {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border-color: var(--border-glow);
}

.modal-nav-indicator {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
  font-weight: 600;
}

.modal-action-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-modal-action {
  padding: 9px 18px;
  font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-role-wrapper { justify-content: center; }
  .hero-subtext { margin-left: auto; margin-right: auto; }
  .hero-cta-group, .hero-stat-badges { justify-content: center; }
  .doors-stage { grid-template-columns: repeat(2, 1fr); }
  .project-showcase-card, .project-showcase-card.reverse { grid-template-columns: 1fr; }
  .project-showcase-card.reverse .showcase-left { order: 1; }
  .project-showcase-card.reverse .showcase-right { order: 2; }
  .time-machine-container.single-year { grid-template-columns: 1fr; text-align: center; }
  .contact-cards-grid { grid-template-columns: 1fr; }
  .hanging-pull-cord { right: 24px; }
  .nav-actions { margin-right: 32px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-deep);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: var(--transition);
  }
  .nav-menu.open { left: 0; }
  .menu-toggle { display: flex; }
  .doors-stage {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .year-grid-cards { grid-template-columns: 1fr; }
  .hero-greeting { font-size: 2.8rem; }
  .role-intro { font-size: 1.6rem; }
  .role-pill { font-size: 1.05rem; }
  .contact-big-title { font-size: 2.3rem; }
  .year-giant-display { font-size: 5rem; }
  .footer-container { flex-direction: column; text-align: center; }
  .hanging-pull-cord { right: 16px; }
  .nav-actions { margin-right: 28px; }

  /* Modal Responsive Mobile Adjustments */
  .modal-dialog { width: 96%; max-height: 92vh; }
  .modal-body { padding: 20px 18px; }
  .modal-title { font-size: 1.6rem; }
  .modal-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .modal-features-grid { grid-template-columns: 1fr; }
  .modal-arch-flow { flex-direction: column; align-items: stretch; }
  .arch-arrow { transform: rotate(90deg); margin: 6px auto; }
  .modal-footer { flex-direction: column; gap: 14px; padding: 14px 18px; }
  .modal-nav-group { width: 100%; justify-content: space-between; }
  .modal-action-group { width: 100%; flex-direction: column; }
  .btn-modal-action { width: 100%; justify-content: center; }
}
/* FIX: CONTACT CARDS OVERFLOW */
.contact-box {
  width: 100%;
  max-width: 900px;
  box-sizing: border-box;
  overflow: hidden;
}

.contact-cards-grid {
  display: grid;
  width: 100%;
  max-width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  box-sizing: border-box;
}

.contact-card {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  gap: 10px;
  padding: 16px;
}

.c-info {
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
}

.c-value {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.c-icon {
  flex: 0 0 44px;
}

.c-action {
  flex: 0 0 auto;
  min-width: 20px;
}

/* Tablet */
@media (max-width: 900px) {
  .contact-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile */
@media (max-width: 600px) {
  .contact-cards-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .contact-card {
    padding: 15px;
  }

  .contact-box {
    padding-left: 15px;
    padding-right: 15px;
  }
}