/* ==========================================================================
   GULSHAN KUMAR — MODERN BENTO PORTFOLIO
   Theme: Next-Gen Glassmorphic Bento Grid (Linear / Vercel Developer Style)
   ========================================================================== */

/* ===== GOOGLE FONTS & RESET ===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Dark Mode Palette */
  --bg-dark: #07070e;
  --bg-surface: #0e0f18;
  --bg-card: rgba(18, 20, 32, 0.7);
  --bg-card-hover: rgba(26, 29, 46, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-strong: rgba(255, 255, 255, 0.06);

  /* Accents */
  --primary: #00f59b;           /* Neon Emerald */
  --primary-glow: rgba(0, 245, 155, 0.25);
  --primary-subtle: rgba(0, 245, 155, 0.1);
  --primary-border: rgba(0, 245, 155, 0.3);

  --cyan: #00d2ff;              /* Electric Cyan */
  --cyan-glow: rgba(0, 210, 255, 0.25);
  --cyan-subtle: rgba(0, 210, 255, 0.1);

  --purple: #8b5cf6;            /* Vivid Violet */
  --purple-glow: rgba(139, 92, 246, 0.25);
  --purple-subtle: rgba(139, 92, 246, 0.12);

  --amber: #fbbf24;             /* Warm Amber */
  --amber-glow: rgba(251, 191, 36, 0.25);

  --android: #3ddc84;
  --flutter: #54c5f8;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 245, 155, 0.35);

  /* Fonts */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* ===== STANDARDIZED TYPOGRAPHIC SCALE ===== */
  --fs-hero-title: clamp(2.8rem, 6vw, 4.4rem);
  --fs-hero-sub: clamp(1.15rem, 2.4vw, 1.4rem);
  --fs-hero-desc: 1.08rem;

  --fs-section-tag: 0.78rem;
  --fs-section-title: clamp(2.2rem, 4.5vw, 3.2rem);
  --fs-section-sub: 1.05rem;

  --fs-card-title: 1.25rem;
  --fs-card-sub: 0.90rem;
  --fs-card-body: 0.92rem;

  --fs-tag: 0.75rem;
  --fs-meta: 0.75rem;
  --fs-btn: 0.88rem;

  /* Transitions */
  --t-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --t-normal: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --t-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== BASE STYLES ===== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Subtle Grid & Ambient Lighting */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(0, 245, 155, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(0, 210, 255, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.section {
  padding: 110px 0;
  position: relative;
  z-index: 2;
}

/* Ambient glow containers */
.ambient-glows {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}
.glow-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--primary-glow), transparent);
}
.glow-2 {
  width: 450px;
  height: 450px;
  top: 40%;
  left: -150px;
  background: radial-gradient(circle, var(--cyan-glow), transparent);
}
.glow-3 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  right: 5%;
  background: radial-gradient(circle, var(--purple-glow), transparent);
}

/* Particles Canvas/Container */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0.5); opacity: 0; }
  20% { opacity: 0.6; }
  80% { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-section-tag);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 1.2rem;
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}
.section-title {
  font-size: var(--fs-section-title);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 50%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: var(--fs-section-sub);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 1rem auto 0;
  line-height: 1.7;
}

/* ===== FLOATING PILL NAVBAR ===== */
.navbar {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 1.5rem;
  pointer-events: none;
}
.nav-container {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  max-width: 1020px;
  padding: 10px 24px;
  background: rgba(14, 15, 24, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: var(--t-normal);
}
.navbar.scrolled .nav-container {
  background: rgba(10, 11, 18, 0.92);
  border-color: rgba(0, 245, 155, 0.25);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 245, 155, 0.08);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.logo-bracket {
  color: var(--primary);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.6rem;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--t-fast);
  position: relative;
  padding: 4px 0;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.theme-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t-fast);
}
.theme-toggle:hover {
  color: var(--primary);
  border-color: var(--primary-border);
  background: var(--primary-subtle);
  transform: rotate(15deg);
}
.moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--t-fast);
}

/* Mobile Nav Menu */
@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 1.5rem;
    right: 1.5rem;
    background: rgba(14, 15, 24, 0.96);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.8rem;
    flex-direction: column;
    gap: 1.2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--t-normal);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .hamburger {
    display: flex;
  }
}

/* ===== HERO SECTION (CENTERED & BALANCED) ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 1.5rem 80px;
  position: relative;
  text-align: center;
  width: 100%;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 840px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 22px;
  border-radius: 100px;
  background: rgba(0, 245, 155, 0.08);
  border: 1px solid rgba(0, 245, 155, 0.25);
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--primary);
  margin: 0 auto 2rem;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.hero-title {
  font-size: var(--fs-hero-title);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 auto 1.2rem;
  text-align: center;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: var(--fs-hero-sub);
  font-weight: 600;
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0 auto 1.6rem;
  min-height: 2.2rem;
  text-align: center;
}
.hero-subtitle::before {
  content: '> ';
  color: var(--primary);
  font-weight: 700;
}
.cursor {
  color: var(--primary);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: var(--fs-hero-desc);
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 auto 2.5rem;
  max-width: 720px;
  text-align: center;
}
.hero-desc .highlight {
  color: var(--text-primary);
  font-weight: 600;
  background: linear-gradient(180deg, transparent 65%, rgba(0, 245, 155, 0.2) 65%);
  padding: 0 2px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0 auto 3.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 14px;
  font-family: var(--font-main);
  font-size: var(--fs-btn);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--t-fast);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #05060a;
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 245, 155, 0.3);
}
.btn-primary:hover {
  background: #00dd8b;
  box-shadow: 0 12px 32px rgba(0, 245, 155, 0.5);
  transform: translateY(-2px);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-color);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
.btn-resume {
  background: rgba(0, 210, 255, 0.08);
  color: var(--cyan);
  border-color: rgba(0, 210, 255, 0.35);
}
.btn-resume:hover {
  background: rgba(0, 210, 255, 0.16);
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 210, 255, 0.25);
}

/* Bento Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}
.stat {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.3rem 1.6rem;
  text-align: center;
  transition: var(--t-normal);
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.stat:hover {
  border-color: var(--primary-border);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.stat:hover::before {
  opacity: 1;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1.1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: var(--fs-meta);
  color: var(--text-secondary);
  font-weight: 600;
  line-height: 1.3;
}
.stat-divider { display: none; }


/* ===== ABOUT ME SECTION ===== */
.about-section {
  position: relative;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.about-text p {
  font-size: var(--fs-hero-desc);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.4rem;
}
.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin-top: 2rem;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  transition: var(--t-fast);
}
.info-item:hover {
  border-color: var(--primary-border);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}
.info-icon {
  font-size: 1.3rem;
}
.info-label {
  display: block;
  font-size: var(--fs-meta);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
.info-value {
  font-size: var(--fs-card-sub);
  font-weight: 600;
  color: var(--text-primary);
}

/* Interactive Code Card */
.code-card {
  background: rgba(11, 12, 20, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: var(--t-normal);
}
.code-card:hover {
  border-color: rgba(0, 245, 155, 0.3);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px var(--primary-subtle);
}
.code-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
}
.window-controls {
  display: flex;
  gap: 7px;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-tabs {
  display: flex;
  gap: 4px;
}
.code-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--t-fast);
}
.code-tab:hover {
  color: var(--text-primary);
}
.code-tab.active {
  background: rgba(0, 245, 155, 0.12);
  color: var(--primary);
  font-weight: 600;
}

.code-content-wrapper {
  padding: 1.5rem;
}
.code-content {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.75;
  color: #e2e8f0;
  overflow-x: auto;
}
.code-keyword { color: #f472b6; }
.code-class { color: #38bdf8; }
.code-type { color: #fbbf24; }
.code-func { color: #a78bfa; }
.code-string { color: #4ade80; }

/* ===== SKILLS SECTION (BENTO TECH STACK) ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.skill-category {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.8rem;
  transition: var(--t-normal);
  position: relative;
  overflow: hidden;
}
.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.skill-category:hover {
  border-color: var(--primary-border);
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 25px var(--primary-subtle);
}
.skill-category:hover::before {
  opacity: 1;
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.4rem;
}
.skill-cat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.android-icon { background: rgba(61, 220, 132, 0.15); color: var(--android); }
.flutter-icon { background: rgba(84, 197, 248, 0.15); color: var(--flutter); }
.ai-icon { background: rgba(192, 132, 252, 0.15); color: #c084fc; }

.skill-cat-header h3 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 8px;
  transition: var(--t-fast);
}
.skill-tag:hover {
  color: var(--primary);
  border-color: var(--primary-border);
  background: var(--primary-subtle);
  transform: translateY(-2px);
}

/* ===== MOBILE ARCHITECTURE PILLARS ===== */
.pillars-section {
  position: relative;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pillar-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 22px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--t-normal);
  padding: 2.2rem;
}
.pillar-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
}

#pillar-ui:hover {
  border-color: rgba(0, 210, 255, 0.45);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 210, 255, 0.15);
}
#pillar-data:hover {
  border-color: rgba(0, 245, 155, 0.45);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 245, 155, 0.15);
}
#pillar-sync:hover {
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(139, 92, 246, 0.15);
}
#pillar-security:hover {
  border-color: rgba(251, 191, 36, 0.45);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 30px rgba(251, 191, 36, 0.15);
}

.pillar-card-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pillar-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  border: 1px solid;
  transition: var(--t-fast);
}
.ui-icon { background: rgba(0, 210, 255, 0.12); color: var(--cyan); border-color: rgba(0, 210, 255, 0.3); }
.data-icon { background: rgba(0, 245, 155, 0.12); color: var(--primary); border-color: rgba(0, 245, 155, 0.3); }
.sync-icon { background: rgba(139, 92, 246, 0.12); color: #c084fc; border-color: rgba(139, 92, 246, 0.3); }
.security-icon { background: rgba(251, 191, 36, 0.12); color: var(--amber); border-color: rgba(251, 191, 36, 0.3); }

.pillar-card:hover .pillar-icon {
  transform: scale(1.1) rotate(4deg);
}

.pillar-card h3 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.pillar-card p {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}
.pillar-card p strong {
  color: var(--text-primary);
}

.pillar-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.pillar-tech-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 8px;
  transition: var(--t-fast);
}
#pillar-ui:hover .pillar-tech-tag { color: var(--cyan); border-color: rgba(0, 210, 255, 0.3); background: rgba(0, 210, 255, 0.08); }
#pillar-data:hover .pillar-tech-tag { color: var(--primary); border-color: rgba(0, 245, 155, 0.3); background: rgba(0, 245, 155, 0.08); }
#pillar-sync:hover .pillar-tech-tag { color: #c084fc; border-color: rgba(139, 92, 246, 0.3); background: rgba(139, 92, 246, 0.08); }
#pillar-security:hover .pillar-tech-tag { color: var(--amber); border-color: rgba(251, 191, 36, 0.3); background: rgba(251, 191, 36, 0.08); }

.pillar-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.12;
  transition: opacity 0.4s ease;
  bottom: -40px;
  right: -40px;
}
.ui-glow { background: var(--cyan); }
.data-glow { background: var(--primary); }
.sync-glow { background: var(--purple); }
.security-glow { background: var(--amber); }

.pillar-card:hover .pillar-glow {
  opacity: 0.35;
}

/* ===== FEATURED PROJECTS — TRUE BENTO GRID ===== */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-btn);
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--t-fast);
}
.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-btn.active {
  background: var(--primary);
  color: #05060a;
  border-color: var(--primary);
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* Modern Bento Grid Structure (6 Columns) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.8rem;
  width: 100%;
}

.projects-grid.is-filtered {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)) !important;
}
.projects-grid.is-filtered .project-card {
  grid-column: auto !important;
}

/* Flagship Cards - Equal 50/50 desktop split */
#project-zoo {
  grid-column: span 3;
}
#project-leaddialer {
  grid-column: span 3;
}

/* Secondary Cards - 33.3% equal split */
#project-school {
  grid-column: span 2;
}
#project-tictactoe {
  grid-column: span 2;
}
#project-learning {
  grid-column: span 2;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--t-normal);
  height: 100%;
  min-width: 0;
}
.project-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px var(--primary-subtle);
}

/* Unique Hover Accents for Projects */
#project-zoo:hover {
  border-color: rgba(61, 220, 132, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(61, 220, 132, 0.2);
}
#project-leaddialer:hover {
  border-color: rgba(251, 191, 36, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(251, 191, 36, 0.2);
}
#project-school:hover {
  border-color: rgba(84, 197, 248, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(84, 197, 248, 0.2);
}
#project-tictactoe:hover {
  border-color: rgba(251, 191, 36, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(251, 191, 36, 0.2);
}
#project-learning:hover {
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(139, 92, 246, 0.2);
}

.game-icon {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
}

.ai-badge {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.project-card-inner {
  padding: 2.2rem 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  z-index: 2;
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.project-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.zoo-icon { background: rgba(61, 220, 132, 0.15); color: var(--android); }
.crm-icon { background: rgba(251, 191, 36, 0.15); color: var(--amber); }
.student-icon { background: rgba(84, 197, 248, 0.15); color: var(--flutter); }
.learning-icon { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }

.project-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.project-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-bottom: 6px;
}
.project-type {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid;
  letter-spacing: 0.3px;
}
.android-badge {
  background: rgba(61, 220, 132, 0.1);
  color: var(--android);
  border-color: rgba(61, 220, 132, 0.3);
}
.flutter-badge {
  background: rgba(84, 197, 248, 0.1);
  color: var(--flutter);
  border-color: rgba(84, 197, 248, 0.3);
}
.web-badge {
  background: rgba(139, 92, 246, 0.1);
  color: #a78bfa;
  border-color: rgba(139, 92, 246, 0.3);
}
.prod-badge {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.35);
}
.solo-badge {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}
.private-badge {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
  border-color: rgba(148, 163, 184, 0.25);
}
.live-badge {
  background: rgba(0, 245, 155, 0.15);
  color: var(--primary);
  border-color: var(--primary-border);
  font-weight: 800;
  box-shadow: 0 0 10px rgba(0, 245, 155, 0.2);
}

.project-date {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}

.project-title {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}
.title-sub {
  font-size: var(--fs-card-sub);
  font-weight: 400;
  color: var(--text-secondary);
}

.project-desc {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.4rem;
  flex: 1;
}
.project-desc strong {
  color: var(--text-primary);
}

.project-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 1.4rem;
}
.feature-item {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 7px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1.2rem;
}
.tech-pill {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 4px 10px;
  border-radius: 6px;
}

.project-affiliation {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 0.8rem;
}

/* Play Store Button & Flagship Links */
.project-links {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-btn);
  font-weight: 700;
  text-decoration: none;
  transition: var(--t-fast);
}
.playstore-btn {
  background: linear-gradient(135deg, rgba(0, 245, 155, 0.2), rgba(0, 210, 255, 0.15));
  color: var(--primary);
  border: 1px solid var(--primary-border);
  box-shadow: 0 4px 16px rgba(0, 245, 155, 0.2);
}
.playstore-btn:hover {
  background: linear-gradient(135deg, rgba(0, 245, 155, 0.35), rgba(0, 210, 255, 0.25));
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 245, 155, 0.35);
}
.project-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: #4ade80;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.filter-item.hide {
  display: none !important;
}

/* ===== WORK EXPERIENCE (TIMELINE) ===== */
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, rgba(0, 245, 155, 0.1) 100%);
}

.timeline-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 3.5rem;
}
.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 24px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 3px solid var(--text-muted);
  transition: var(--t-normal);
  z-index: 2;
}
.timeline-dot.active {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 0 16px var(--primary);
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--t-normal);
}
.timeline-content:hover {
  border-color: var(--primary-border);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.exp-title {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.exp-company {
  font-family: var(--font-mono);
  font-size: var(--fs-card-sub);
  color: var(--cyan);
}
.exp-duration {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  white-space: nowrap;
}
.current-badge {
  background: var(--primary-subtle);
  border-color: var(--primary-border);
  color: var(--primary);
}

.exp-desc {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.4rem;
}
.exp-desc strong {
  color: var(--text-primary);
}

.exp-responsibilities {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 1.4rem;
}
.resp-item {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid var(--primary-border);
  transition: var(--t-fast);
}
.resp-item:hover {
  background: rgba(0, 245, 155, 0.05);
  border-left-color: var(--primary);
  color: var(--text-primary);
}

.exp-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-pill {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
}

/* ===== WHAT I BRING (6 BENTO CARDS) ===== */
.bring-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.bring-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--t-normal);
  position: relative;
  overflow: hidden;
}
.bring-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.bring-card:hover {
  border-color: var(--primary-border);
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 25px var(--primary-subtle);
}
.bring-card:hover::after {
  transform: scaleX(1);
}

.bring-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  display: block;
}
.bring-card h3 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.bring-card p {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.7;
}
.bring-card strong {
  color: var(--text-primary);
}

/* ===== CERTIFICATIONS SECTION ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.cert-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--t-normal);
}
.cert-card:hover {
  border-color: rgba(0, 210, 255, 0.35);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.cert-card-inner {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.cert-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.cert-platform {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid;
}
.nptel-badge {
  background: rgba(139, 92, 246, 0.12);
  color: #c084fc;
  border-color: rgba(139, 92, 246, 0.3);
}
.meta-badge {
  background: rgba(0, 210, 255, 0.1);
  color: var(--cyan);
  border-color: rgba(0, 210, 255, 0.3);
}
.google-badge {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.cert-date {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.cert-title {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}
.cert-grade {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--primary);
  display: inline-block;
  margin-left: 6px;
}
.cert-desc {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.2rem;
  flex: 1;
}
.cert-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1.2rem;
}
.cert-skill-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 4px;
}
.cert-link {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  transition: var(--t-fast);
}
.cert-link:hover {
  color: var(--primary);
  transform: translateX(3px);
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: var(--t-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-card:hover {
  border-color: var(--primary-border);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}
.email-icon { background: rgba(251, 191, 36, 0.12); color: #fbbf24; }
.github-icon { background: rgba(139, 92, 246, 0.12); color: #a78bfa; }
.linkedin-icon { background: rgba(0, 210, 255, 0.12); color: var(--cyan); }

.contact-card h3 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.contact-link {
  font-family: var(--font-mono);
  font-size: var(--fs-card-sub);
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--t-fast);
  word-break: break-all;
}
.contact-link:hover {
  color: var(--primary);
}

.contact-cta {
  background: linear-gradient(135deg, rgba(0, 245, 155, 0.08), rgba(0, 210, 255, 0.05));
  border: 1px solid var(--primary-border);
  border-radius: 20px;
  padding: 2.2rem;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}
.contact-cta p {
  font-size: var(--fs-section-sub);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.contact-sub {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  text-align: center;
  position: relative;
  z-index: 2;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: var(--fs-card-title);
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}
.footer-text {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
}
.footer-sub {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: rgba(15, 23, 42, 0.08);
  --border-glow: rgba(0, 180, 100, 0.3);
  --primary: #059669;
  --primary-subtle: rgba(5, 150, 105, 0.1);
  --primary-border: rgba(5, 150, 105, 0.3);
  --cyan: #0284c7;
}
[data-theme="light"] body::before {
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(5, 150, 105, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(2, 132, 199, 0.05) 0%, transparent 45%),
    linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
}
[data-theme="light"] .nav-container {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .btn-primary {
  color: white;
}
[data-theme="light"] .code-card {
  background: #1e1e2e;
}

/* ===== PRODUCTION METRICS (INSIDE FLAGSHIP CARDS) ===== */
.project-prod-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 1.2rem;
}
.prod-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.metric-val {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.qr-btn {
  background: rgba(0, 210, 255, 0.08);
  color: var(--cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  cursor: pointer;
}
.qr-btn:hover {
  background: rgba(0, 210, 255, 0.16);
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.25);
}
.simulator-quick-btn {
  background: rgba(251, 191, 36, 0.08);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
  cursor: pointer;
}
.simulator-quick-btn:hover {
  background: rgba(251, 191, 36, 0.16);
  border-color: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.25);
}

/* ===== GITHUB LIVE ACTIVITY BAR ===== */
.github-stats-bar {
  margin-top: 2rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.4rem 2rem;
  transition: var(--t-normal);
}
.github-stats-bar:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(139, 92, 246, 0.15);
}
.github-stats-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.github-user-info {
  display: flex;
  align-items: center;
  gap: 14px;
}
.github-avatar-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.github-handle {
  font-family: var(--font-mono);
  font-size: var(--fs-card-sub);
  font-weight: 700;
  color: var(--text-primary);
}
.github-sub {
  font-size: var(--fs-meta);
  color: var(--text-secondary);
}
.github-metrics-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.github-stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 8px;
}
.lang-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.kotlin-dot { background: var(--android); box-shadow: 0 0 8px var(--android); }
.flutter-dot { background: var(--flutter); box-shadow: 0 0 8px var(--flutter); }
.python-dot { background: #fbbf24; box-shadow: 0 0 8px #fbbf24; }

.github-visit-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-btn);
  font-weight: 700;
  color: #c084fc;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  padding: 8px 18px;
  border-radius: 10px;
  text-decoration: none;
  transition: var(--t-fast);
}
.github-visit-btn:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: #c084fc;
  transform: translateY(-2px);
}

/* ===== INTERACTIVE ARCHITECTURE PIPELINE ===== */
.arch-visualizer-container {
  margin-top: 3.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}
.arch-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.arch-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-section-tag);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 4px 14px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 0.8rem;
}
.arch-title {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.arch-desc {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

.arch-pipeline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 2.2rem;
  overflow-x: auto;
  padding: 10px 4px;
}
.arch-node {
  flex: 1;
  min-width: 140px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--t-fast);
  position: relative;
}
.arch-node:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(0, 245, 155, 0.3);
}
.arch-node.active {
  background: rgba(0, 245, 155, 0.1);
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(0, 245, 155, 0.2);
}
.arch-node-num {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.arch-node-icon {
  font-size: 1.6rem;
  margin-bottom: 6px;
}
.arch-node-name {
  font-weight: 700;
  font-size: var(--fs-card-sub);
  color: var(--text-primary);
  margin-bottom: 4px;
}
.arch-node-tech {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.arch-connector {
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-color), var(--primary-border));
  flex-shrink: 0;
  position: relative;
}
.arch-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--primary-border);
  border-right: 2px solid var(--primary-border);
  transform: rotate(45deg);
}

.arch-inspector {
  background: rgba(10, 11, 18, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.8rem;
  position: relative;
  transition: var(--t-normal);
}
.arch-inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 8px;
}
.inspector-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 4px 12px;
  border-radius: 6px;
}
.inspector-tech {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--cyan);
}
.inspector-heading {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.inspector-body {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}
.inspector-code {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--primary);
  overflow-x: auto;
}

/* ===== APP DEMO SIMULATOR SECTION ===== */
.simulator-section {
  position: relative;
}
.simulator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}
.sim-app-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.sim-app-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
  transition: var(--t-fast);
}
.sim-app-tab:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}
.sim-app-tab.active {
  background: rgba(0, 245, 155, 0.08);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 245, 155, 0.15);
}
.sim-tab-icon {
  font-size: 1.8rem;
}
.sim-tab-info strong {
  display: block;
  font-size: var(--fs-card-sub);
  color: var(--text-primary);
}
.sim-tab-info span {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.sim-screen-picker {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sim-screen-title {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}
.sim-screen-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sim-screen-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 7px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--t-fast);
}
.sim-screen-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}
.sim-screen-btn.active {
  background: var(--primary);
  color: #05060a;
  border-color: var(--primary);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.sim-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.6rem;
  transition: var(--t-fast);
}
.sim-feature-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 0.8rem;
}
.sim-feature-card h4 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.sim-feature-card p {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.sim-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sim-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 3px 9px;
  border-radius: 6px;
}

/* Realistic Smartphone Device Frame */
.phone-device-container {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}
.phone-device {
  width: 310px;
  height: 600px;
  background: #090a12;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 245, 155, 0.15), inset 0 0 0 2px rgba(255, 255, 255, 0.12);
  position: relative;
  transition: var(--t-normal);
}
.phone-device:hover {
  transform: translateY(-6px) rotateY(-2deg);
}
.phone-frame {
  width: 100%;
  height: 100%;
  background: #0d0f1a;
  border-radius: 34px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone-speaker {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  background: #1c2033;
  border-radius: 4px;
  z-index: 10;
}
.phone-camera {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: #05060a;
  border: 2px solid #1a1e2f;
  border-radius: 50%;
  z-index: 10;
}
.phone-screen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background: #0b0d18;
}
.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px 6px;
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: var(--text-muted);
  z-index: 5;
}
.phone-icons {
  display: flex;
  align-items: center;
  gap: 6px;
}
.phone-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.phone-home-indicator {
  width: 110px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  margin: 6px auto 8px;
  flex-shrink: 0;
}

/* Simulated App Screen Internal UI Styles */
.sim-screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 10px;
}
.sim-screen-logo {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sim-live-indicator {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.sim-live-indicator::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}
.sim-card-ui {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 8px;
}
.sim-map-visual {
  height: 160px;
  background: radial-gradient(circle at 50% 50%, rgba(0, 245, 155, 0.08), rgba(11, 13, 24, 0.95)),
              linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
              linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 20px 20px, 20px 20px;
  border-radius: 10px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.sim-pin {
  position: absolute;
  padding: 3px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.60rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 2px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
.pin-user { top: 45%; left: 45%; background: var(--primary); color: #05060a; }
.pin-lion { top: 15%; left: 15%; background: rgba(251, 191, 36, 0.9); color: #05060a; }
.pin-aqua { bottom: 18%; right: 15%; background: rgba(0, 210, 255, 0.9); color: #05060a; }

/* Phone Inner Screens UI Components */
.sim-lead-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 8px 10px;
  margin-bottom: 7px;
  transition: var(--t-fast);
}
.sim-lead-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(0, 245, 155, 0.3);
}
.sim-lead-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sim-lead-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.sim-lead-phone {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: var(--text-muted);
}
.sim-lead-status {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  width: fit-content;
  margin-top: 2px;
  font-weight: 600;
}
.status-hot { background: rgba(244, 63, 94, 0.2); color: #fb7185; }
.status-demo { background: rgba(0, 210, 255, 0.2); color: #38bdf8; }
.status-new { background: rgba(139, 92, 246, 0.2); color: #c084fc; }

.sim-call-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #05060a;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 245, 155, 0.4);
  transition: var(--t-fast);
}
.sim-call-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 18px rgba(0, 245, 155, 0.6);
}
.sim-call-btn:active {
  transform: scale(0.95);
}

.sim-attendance-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0;
}
.sim-selfie-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px dashed var(--primary);
  background: rgba(0, 245, 155, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 12px;
  animation: pulse-border 2s infinite;
}
@keyframes pulse-border {
  0% { box-shadow: 0 0 0 0 rgba(0, 245, 155, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0, 245, 155, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 245, 155, 0); }
}
.sim-selfie-icon {
  font-size: 2.2rem;
}
.sim-verified-badge {
  position: absolute;
  bottom: -2px;
  right: -2px;
  background: var(--primary);
  color: #05060a;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
  border: 2px solid #0d0f1a;
}
.sim-gps-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.sim-action-btn {
  width: 100%;
  padding: 9px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #05060a;
  border: none;
  border-radius: 8px;
  font-size: 0.80rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--t-fast);
}
.sim-action-btn:hover {
  filter: brightness(1.1);
}

.sim-analytics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 10px;
}
.sim-analytic-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px 6px;
  text-align: center;
}
.sim-analytic-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}
.sim-analytic-label {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.sim-chart-item {
  margin-bottom: 8px;
}
.sim-chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.sim-chart-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  overflow: hidden;
}
.sim-chart-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 6px;
}

.sim-wiki-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.sim-animal-avatar {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.sim-animal-title h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.sim-animal-title span {
  font-style: italic;
  font-size: 0.70rem;
  color: var(--text-muted);
}
.sim-audio-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.75rem;
  cursor: pointer;
  margin-top: 8px;
  transition: var(--t-fast);
}
.sim-audio-btn:hover {
  background: rgba(0, 245, 155, 0.12);
  border-color: var(--primary-border);
}

.sim-event-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 6px;
}
.sim-event-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sim-event-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
}
.sim-event-meta {
  font-size: 0.68rem;
  color: var(--text-muted);
}
.sim-event-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 3px 7px;
  border-radius: 6px;
  background: rgba(0, 245, 155, 0.12);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  cursor: pointer;
}

/* ===== QR CODE MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--t-fast);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  max-width: 420px;
  width: 100%;
  padding: 2.2rem;
  text-align: center;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 245, 155, 0.15);
  transform: translateY(20px);
  transition: var(--t-normal);
}
.modal-overlay.open .modal-card {
  transform: translateY(0);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: var(--t-fast);
}
.modal-close:hover {
  color: var(--text-primary);
}
.modal-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 4px 14px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 0.8rem;
}
.modal-header h3 {
  font-size: var(--fs-card-title);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.modal-header p {
  font-size: var(--fs-card-body);
  color: var(--text-secondary);
  line-height: 1.6;
}
.modal-qr-box {
  margin: 1.6rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.qr-frame {
  background: #ffffff;
  padding: 12px;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-image {
  display: block;
  width: 180px;
  height: 180px;
}
.qr-package-info code {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--cyan);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 4px 10px;
  border-radius: 6px;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* Resume Preview Modal */
.resume-modal-card {
  max-width: 820px;
  width: 95%;
  max-height: 92vh;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.resume-modal-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 12px;
  padding-right: 36px;
  flex-wrap: wrap;
  gap: 12px;
}
.resume-modal-info h3 {
  font-size: var(--fs-card-title);
  color: var(--text-primary);
  margin-bottom: 2px;
}
.resume-modal-info p {
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.resume-modal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-sm {
  padding: 6px 14px;
  font-size: 0.80rem;
}
.resume-modal-body {
  flex: 1;
  overflow-y: auto;
  border-radius: 12px;
  background: #090a12;
  border: 1px solid var(--border-color);
  padding: 10px;
  display: flex;
  justify-content: center;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}
.resume-sheet-img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

/* ===== COMMAND PALETTE (CTRL + K) ===== */
.palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: var(--t-fast);
}
.palette-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.palette-card {
  background: rgba(14, 15, 24, 0.96);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  max-width: 580px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 245, 155, 0.12);
  transform: translateY(-15px) scale(0.98);
  transition: var(--t-normal);
}
.palette-overlay.open .palette-card {
  transform: translateY(0) scale(1);
}
.palette-search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}
.palette-search-box input {
  flex: 1;
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}
.palette-search-box input::placeholder {
  color: var(--text-muted);
  font-size: var(--fs-card-body);
}
.palette-esc-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}
.palette-list {
  max-height: 360px;
  overflow-y: auto;
  padding: 8px;
}
.palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--t-fast);
  color: var(--text-secondary);
}
.palette-item:hover, .palette-item.selected {
  background: rgba(0, 245, 155, 0.1);
  color: var(--text-primary);
}
.palette-item:hover .palette-item-icon, .palette-item.selected .palette-item-icon {
  transform: scale(1.15);
}
.palette-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.palette-item-icon {
  font-size: 1.15rem;
  transition: var(--t-fast);
}
.palette-item-text {
  display: flex;
  flex-direction: column;
}
.palette-item-title {
  font-size: var(--fs-card-sub);
  font-weight: 600;
  color: var(--text-primary);
}
.palette-item-sub {
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.palette-item-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}
.palette-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
}
.palette-footer kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text-primary);
}

/* Floating Palette Pill & Nav Cmd Button */
.floating-palette-trigger {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: rgba(14, 15, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--primary-border);
  border-radius: 100px;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: var(--fs-tag);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--primary-subtle);
  transition: var(--t-fast);
}
.floating-palette-trigger:hover {
  background: rgba(20, 22, 36, 0.95);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 245, 155, 0.35);
}
.floating-palette-trigger kbd {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  background: rgba(0, 245, 155, 0.15);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 2px 8px;
  font-weight: 700;
}
.nav-cmd-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  transition: var(--t-fast);
}
.nav-cmd-btn:hover {
  color: var(--primary);
  border-color: var(--primary-border);
  background: var(--primary-subtle);
}
.nav-cmd-btn kbd {
  font-size: 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 1080px) {
  .hero {
    padding: 120px 1.5rem 60px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.4rem;
  }
  #project-zoo {
    grid-column: span 2;
  }
  #project-leaddialer {
    grid-column: span 2;
  }
  #project-school {
    grid-column: span 1;
  }
  #project-tictactoe {
    grid-column: span 1;
  }
  #project-learning {
    grid-column: span 2;
  }
  .bring-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .section {
    padding: 70px 0;
  }
  .hero {
    padding: 110px 1rem 50px;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    max-width: 280px;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  #project-zoo, #project-leaddialer, #project-school, #project-tictactoe, #project-learning {
    grid-column: span 1;
  }
  .project-features {
    grid-template-columns: 1fr;
  }
  .bring-grid {
    grid-template-columns: 1fr;
  }
  .certs-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .about-info-grid {
    grid-template-columns: 1fr;
  }
}