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

/* ==========================================================================
   CSS VARIABLES & THEME SYSTEM
   ========================================================================== */
:root {
  /* DARK THEME (DEFAULT) */
  --bg-main: #060814;
  --bg-gradient: radial-gradient(circle at 50% 0%, #151c38 0%, #060814 70%);
  
  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-bg-hover: rgba(30, 41, 69, 0.65);
  --glass-bg-card: rgba(13, 18, 36, 0.65);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(99, 102, 241, 0.45);
  --glass-border-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.03) 100%);
  --glass-blur: blur(18px);
  --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
  --glass-shadow-hover: 0 20px 50px 0 rgba(99, 102, 241, 0.25);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #a855f7;
  --accent-indigo: #6366f1;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  
  --gradient-primary: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  --gradient-secondary: linear-gradient(135deg, #f43f5e 0%, #ec4899 50%, #a855f7 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #3b82f6 100%);
  --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);

  --orb-1: rgba(99, 102, 241, 0.22);
  --orb-2: rgba(236, 72, 153, 0.18);
  --orb-3: rgba(6, 182, 212, 0.2);
  --orb-4: rgba(168, 85, 247, 0.18);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* SAFE AREAS */
  --sat: env(safe-area-inset-top, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
}

/* LIGHT THEME */
body.light-theme {
  --bg-main: #f1f5f9;
  --bg-gradient: radial-gradient(circle at 50% 0%, #e2e8f0 0%, #f8fafc 80%);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-hover: rgba(255, 255, 255, 0.9);
  --glass-bg-card: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-border-hover: rgba(99, 102, 241, 0.5);
  --glass-border-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.3) 100%);
  --glass-blur: blur(20px);
  --glass-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  --glass-shadow-hover: 0 20px 40px -5px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --orb-1: rgba(99, 102, 241, 0.15);
  --orb-2: rgba(236, 72, 153, 0.12);
  --orb-3: rgba(6, 182, 212, 0.14);
  --orb-4: rgba(168, 85, 247, 0.12);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  height: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-slow), color var(--transition-normal);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-main);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}

/* Typography Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  touch-action: manipulation;
}

button, input, select, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  touch-action: manipulation;
}

/* ==========================================================================
   BACKGROUND ANIMATIONS & GLOW ORBS
   ========================================================================== */
.ambient-background {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.8;
  transition: transform 10s ease, background 1s ease;
  animation: floatOrb 22s infinite alternate ease-in-out;
}

.orb-1 {
  width: clamp(300px, 45vw, 550px);
  height: clamp(300px, 45vw, 550px);
  background: var(--orb-1);
  top: -80px;
  left: 10%;
  animation-duration: 20s;
}

.orb-2 {
  width: clamp(320px, 50vw, 650px);
  height: clamp(320px, 50vw, 650px);
  background: var(--orb-2);
  top: 35%;
  right: -100px;
  animation-duration: 26s;
  animation-delay: -5s;
}

.orb-3 {
  width: clamp(280px, 40vw, 500px);
  height: clamp(280px, 40vw, 500px);
  background: var(--orb-3);
  bottom: 5%;
  left: -80px;
  animation-duration: 22s;
  animation-delay: -10s;
}

.orb-4 {
  width: clamp(250px, 35vw, 450px);
  height: clamp(250px, 35vw, 450px);
  background: var(--orb-4);
  bottom: 25%;
  right: 20%;
  animation-duration: 18s;
  animation-delay: -3s;
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(60px, 40px) scale(1.1) rotate(180deg);
  }
  100% {
    transform: translate(-40px, 70px) scale(0.95) rotate(360deg);
  }
}

/* Interactive Cursor Glow (Only on desktop) */
.cursor-glow {
  position: fixed;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0) 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  transition: opacity 0.3s ease;
}

@media (hover: none) {
  .cursor-glow {
    display: none;
  }
}

/* Background Grid Pattern */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

body.light-theme .bg-grid-overlay {
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

/* ==========================================================================
   FULL-SCREEN WELCOME OVERLAY (PANTALLA DE BIENVENIDA CRISTAL)
   ========================================================================== */
.welcome-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(1rem, var(--sat)) max(1rem, var(--sar)) max(1rem, var(--sab)) max(1rem, var(--sal));
  background: rgba(6, 8, 20, 0.55);
  backdrop-filter: blur(35px) saturate(190%);
  -webkit-backdrop-filter: blur(35px) saturate(190%);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

body.light-theme .welcome-overlay {
  background: rgba(241, 245, 249, 0.65);
}

.welcome-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.08) translateY(-25px);
  filter: blur(12px);
  pointer-events: none;
}

.welcome-glass-card {
  position: relative;
  width: 100%;
  max-width: 760px;
  max-height: calc(100dvh - 2.5rem);
  overflow-y: auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2.5rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(255, 255, 255, 0.15) inset,
              0 0 80px rgba(99, 102, 241, 0.2);
  text-align: center;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  animation: welcomeCardEntrance 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  scrollbar-width: thin;
}

@keyframes welcomeCardEntrance {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(35px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.welcome-glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: clamp(0.72rem, 2vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: clamp(1rem, 3vw, 1.8rem);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
  }
  100% {
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
  }
}

.welcome-title {
  font-size: clamp(1.75rem, 5.5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: clamp(0.8rem, 2.5vw, 1.2rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(129, 140, 248, 0.35);
  line-height: 1.18;
}

.welcome-subtitle {
  font-size: clamp(0.92rem, 2.4vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto clamp(1.2rem, 3vw, 2.2rem) auto;
  line-height: 1.6;
}

.welcome-highlights {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.8rem);
}

.welcome-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: clamp(0.75rem, 2vw, 0.85rem);
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

.welcome-pill i {
  color: var(--accent-purple);
}

/* Button Continuar */
.btn-welcome-continue {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  padding: clamp(0.85rem, 2.5vw, 1.1rem) clamp(2rem, 5vw, 2.8rem);
  min-height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-full);
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.45),
              0 0 0 1px rgba(255, 255, 255, 0.3) inset;
  transition: all var(--transition-normal);
  overflow: hidden;
  touch-action: manipulation;
}

.btn-welcome-continue::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-welcome-continue:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 36px rgba(168, 85, 247, 0.5),
              0 0 35px rgba(56, 189, 248, 0.6);
}

.btn-welcome-continue:hover::before {
  transform: translateX(100%);
}

.btn-welcome-continue:active {
  transform: translateY(0) scale(0.98);
}

.btn-welcome-continue i {
  transition: transform var(--transition-fast);
}

.btn-welcome-continue:hover i {
  transform: translateX(4px);
}

/* ==========================================================================
   APP WRAPPER & MAIN LAYOUT
   ========================================================================== */
.app-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: max(1.2rem, var(--sat)) max(1.2rem, var(--sar)) max(3.5rem, var(--sab)) max(1.2rem, var(--sal));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   NAVBAR (GLASS FLOATING ISLAND)
   ========================================================================== */
.navbar {
  position: sticky;
  top: max(0.8rem, var(--sat));
  z-index: 1000;
  width: 100%;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.navbar-glass {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all var(--transition-normal);
  gap: 0.8rem;
}

.navbar-glass:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.avatar-wrapper {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  padding: 2px;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.nav-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-main);
  display: block;
}

.status-dot {
  position: absolute;
  bottom: 0px;
  right: 0px;
  width: 11px;
  height: 11px;
  background: var(--accent-emerald);
  border-radius: 50%;
  border: 2px solid var(--bg-main);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.15;
}

.brand-tag {
  font-size: 0.72rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

body.light-theme .nav-link:hover, body.light-theme .nav-link.active {
  background: rgba(0, 0, 0, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

/* Theme Toggle Button */
.btn-icon-glass {
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.05rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.btn-icon-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.06);
  border-color: var(--accent-indigo);
  color: var(--accent-cyan);
}

.btn-icon-glass:active {
  transform: scale(0.96);
}

.btn-github-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.1rem;
  min-height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-github-pill:hover {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-github-pill:active {
  transform: translateY(0);
}

/* Mobile Hamburger Toggle */
.btn-mobile-menu {
  display: none;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-mobile-menu:hover, .btn-mobile-menu:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-cyan);
}

/* ==========================================================================
   MOBILE MENU DRAWER OVERLAY
   ========================================================================== */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: rgba(6, 8, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: max(1rem, var(--sat)) max(1rem, var(--sar)) max(1rem, var(--sab)) max(1rem, var(--sal));
}

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

.mobile-drawer-card {
  width: 100%;
  max-width: 340px;
  background: var(--glass-bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transform: translateX(30px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer-overlay.active .mobile-drawer-card {
  transform: translateX(0) scale(1);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-fast);
}

.mobile-nav-item:hover, .mobile-nav-item.active {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.mobile-drawer-footer {
  padding-top: 0.5rem;
}

/* ==========================================================================
   HERO HEADER & PROFILE SECTION
   ========================================================================== */
.hero-section {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  position: relative;
}

.hero-main-card {
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.2rem, 4vw, 2.5rem) clamp(1.8rem, 4vw, 2.5rem) clamp(1.2rem, 4vw, 2.5rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.hero-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.hero-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.95rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: clamp(0.72rem, 2vw, 0.85rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.hero-title {
  font-size: clamp(1.85rem, 5.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: clamp(0.8rem, 2.5vw, 1.2rem);
  line-height: 1.15;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: clamp(0.92rem, 2.2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto clamp(1.8rem, 4vw, 2.5rem) auto;
  line-height: 1.6;
}

/* Stats Counter Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 2vw, 1.2rem);
  max-width: 920px;
  margin: 0 auto;
}

.stat-card {
  padding: clamp(0.9rem, 2.5vw, 1.3rem) clamp(0.7rem, 2vw, 1rem);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: clamp(0.72rem, 1.8vw, 0.84rem);
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   FILTER & SEARCH TOOLBAR
   ========================================================================== */
.controls-section {
  margin-bottom: clamp(1.8rem, 4vw, 2.5rem);
}

.controls-glass {
  padding: clamp(1rem, 3vw, 1.5rem) clamp(1rem, 3.5vw, 1.75rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.search-and-sync-row {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-box-wrapper {
  flex: 1 1 260px;
  position: relative;
}

.search-box-wrapper i.search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-input {
  width: 100%;
  padding: 0.8rem 2.8rem 0.8rem 2.6rem;
  min-height: 44px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

body.light-theme .search-input {
  background: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.btn-clear-search {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-clear-search.visible {
  display: flex;
}

.btn-clear-search:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.2);
}

/* Sort dropdown & Refresh */
.controls-aux {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.custom-select {
  padding: 0.75rem 1.2rem;
  min-height: 44px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

body.light-theme .custom-select {
  background: rgba(255, 255, 255, 0.7);
}

.custom-select:hover, .custom-select:focus {
  border-color: var(--accent-indigo);
}

.custom-select option {
  background: var(--bg-main);
  color: var(--text-primary);
}

.btn-sync-github {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.2rem;
  min-height: 44px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-sync-github:hover {
  background: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.35);
}

.btn-sync-github.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

/* Language Filter Chips (Scrollable wrapper on mobile) */
.filter-chips-scroll-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  scrollbar-width: none;
}

.filter-chips-scroll-container::-webkit-scrollbar {
  display: none;
}

body.light-theme .filter-chips-scroll-container {
  border-top-color: rgba(0, 0, 0, 0.06);
}

.filter-chips-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: max-content;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  min-height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.filter-chip.active {
  color: #ffffff;
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  font-weight: 700;
}

.chip-count {
  padding: 0.1rem 0.42rem;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.72rem;
  font-weight: 700;
}

.filter-chip.active .chip-count {
  background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   PROJECTS GRID & GLASS CARDS
   ========================================================================== */
.projects-section {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
  flex-wrap: wrap;
  gap: 0.85rem;
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
}

.section-badge {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.25rem;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
}

.results-info {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
  gap: clamp(1.2rem, 3vw, 2rem);
  perspective: 1000px;
}

/* Project Card Glassmorphism Item */
.repo-card {
  position: relative;
  background: var(--glass-bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.8rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal);
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

.repo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.7;
  transition: opacity var(--transition-fast), height var(--transition-fast);
}

@media (hover: hover) and (pointer: fine) {
  .repo-card:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(1deg);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-shadow-hover);
  }

  .repo-card:hover::before {
    opacity: 1;
    height: 3px;
  }
}

@media (hover: none) {
  .repo-card:active {
    transform: scale(0.98);
    border-color: var(--glass-border-hover);
  }
}

/* Card Glow Reflection Highlight */
.repo-card .card-shine {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(255, 255, 255, 0.09) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.repo-card:hover .card-shine {
  opacity: 1;
}

/* Card Header */
.card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
  gap: 0.5rem;
}

.card-icon-container {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ffffff;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(168, 85, 247, 0.3) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.badge-public {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  text-transform: uppercase;
}

.badge-live-demo {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-full);
  color: var(--accent-emerald);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.badge-live-demo::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-emerald);
}

/* Card Content */
.card-body {
  margin-bottom: 1.2rem;
}

.repo-name {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  word-break: break-word;
  transition: color var(--transition-fast);
}

.repo-card:hover .repo-name {
  color: var(--accent-cyan);
}

.repo-desc {
  font-size: clamp(0.88rem, 2vw, 0.93rem);
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 4.2rem;
}

/* Language & Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.tag-lang {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

.lang-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.tag-topic {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Card Stats Footer */
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 1.1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.4rem;
}

body.light-theme .card-meta {
  border-top-color: rgba(0, 0, 0, 0.06);
}

.meta-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.meta-stat {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.meta-stat i {
  color: var(--accent-amber);
}

.meta-date {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Card Actions */
.card-actions {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn-card-action {
  flex: 1 1 110px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0.85rem;
  min-height: 42px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-card-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-card-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.55);
}

.btn-card-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-card-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-card-copy {
  width: 42px;
  height: 42px;
  min-width: 42px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-card-copy:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent-indigo);
  color: var(--text-primary);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.2rem, 4vw, 2rem);
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: var(--glass-blur);
}

.empty-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.empty-title {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   GOOGLE FORM EMBED & CONTACT SECTION
   ========================================================================== */
.contact-section {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.contact-glass-card {
  padding: clamp(1.8rem, 4vw, 3rem) clamp(1.2rem, 3.5vw, 2.5rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.contact-glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-secondary);
}

.contact-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem) auto;
}

.contact-title {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.contact-desc {
  color: var(--text-secondary);
  font-size: clamp(0.9rem, 2vw, 1rem);
  line-height: 1.6;
}

/* Form Container */
.form-embed-wrapper {
  position: relative;
  width: 100%;
  min-height: clamp(480px, 65vh, 680px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3) inset;
}

body.light-theme .form-embed-wrapper {
  background: rgba(255, 255, 255, 0.4);
}

.form-iframe {
  width: 100%;
  height: clamp(480px, 65vh, 680px);
  border: none;
  display: block;
}

.form-open-link {
  display: flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin: 1rem auto 0;
  padding: 0.75rem 1.1rem;
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.form-open-link:hover {
  background: rgba(99, 102, 241, 0.22);
  transform: translateY(-1px);
}

/* ==========================================================================
   FOOTER (GLASS)
   ========================================================================= */
.footer {
  margin-top: auto;
  position: relative;
  z-index: 10;
}

.footer-glass {
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
}

/* ==========================================================================
   FLOATING BUTTONS & TOAST NOTIFICATIONS
   ========================================================================== */
.btn-floating-top {
  position: fixed;
  bottom: calc(1.5rem + var(--sab));
  right: calc(1.5rem + var(--sar));
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.btn-floating-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.btn-floating-top:hover {
  background: var(--gradient-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: calc(2rem + var(--sab));
  left: 50%;
  transform: translateX(-50%);
  z-index: 100000;
  pointer-events: none;
  width: max-content;
  max-width: 90vw;
}

.toast {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.4rem;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-full);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  word-break: break-word;
}

body.light-theme .toast {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

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

/* ==========================================================================
   ADVANCED RESPONSIVE MEDIA QUERIES (FOR ALL DEVICES)
   ========================================================================== */

/* Tablets & Small Laptops (<= 992px) */
@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile & Tablets Portrait (<= 768px) */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .btn-mobile-menu {
    display: flex;
  }

  .btn-text-desktop {
    display: none;
  }

  .btn-github-pill {
    padding: 0.5rem 0.8rem;
  }

  .controls-aux {
    width: 100%;
    justify-content: space-between;
  }

  .custom-select {
    flex: 1;
  }

  .footer-glass {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 1.2rem;
  }
}

/* Small Smartphones (<= 480px) */
@media (max-width: 480px) {
  .app-container {
    padding: max(0.8rem, var(--sat)) max(0.8rem, var(--sar)) max(2.5rem, var(--sab)) max(0.8rem, var(--sal));
  }

  .navbar-glass {
    padding: 0.55rem 0.9rem;
  }

  .avatar-wrapper {
    width: 36px;
    height: 36px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-tag {
    font-size: 0.68rem;
  }

  .btn-icon-glass, .btn-mobile-menu {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    font-size: 0.95rem;
  }

  .hero-main-card {
    padding: 1.8rem 1rem 1.5rem 1rem;
    border-radius: var(--radius-lg);
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }

  .stat-card {
    padding: 0.85rem 0.5rem;
  }

  .controls-glass {
    padding: 0.9rem;
    border-radius: var(--radius-lg);
  }

  .search-and-sync-row {
    flex-direction: column;
    align-items: stretch;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .repo-card {
    padding: 1.2rem 1rem;
  }

  .card-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .btn-card-action {
    flex: 1 1 100px;
    font-size: 0.82rem;
    padding: 0.6rem 0.5rem;
  }

  .contact-glass-card {
    padding: 1.6rem 1rem;
    border-radius: var(--radius-lg);
  }

  .btn-floating-top {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    bottom: calc(1rem + var(--sab));
    right: calc(1rem + var(--sar));
  }
}

/* Extra Small / Foldable outer screens (<= 340px) */
@media (max-width: 340px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-card-copy {
    width: 100%;
    min-height: 40px;
  }
}

/* Mobile Landscape Orientation (short screen height <= 540px) */
@media (max-height: 540px) and (orientation: landscape) {
  .welcome-glass-card {
    padding: 1.5rem 1.5rem;
    max-height: 94dvh;
  }

  .welcome-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
  }

  .welcome-subtitle {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
  }

  .welcome-highlights {
    margin-bottom: 1rem;
  }

  .btn-welcome-continue {
    padding: 0.6rem 1.8rem;
    min-height: 40px;
  }
}

/* Ultra-Wide Monitors & 4K Displays (>= 1800px) */
@media (min-width: 1800px) {
  .app-container {
    max-width: 1600px;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  }
}

/* Refined portfolio finish */
:root {
  --bg-main: #080b14;
  --bg-gradient: radial-gradient(ellipse at 50% -12%, #1b2540 0%, #0b1020 43%, #080b14 78%);
  --glass-bg: rgba(15, 21, 37, 0.78);
  --glass-bg-card: rgba(16, 22, 38, 0.84);
  --glass-border: rgba(180, 195, 230, 0.13);
  --glass-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

body.light-theme {
  --bg-main: #f4f6fb;
  --bg-gradient: radial-gradient(ellipse at 50% -12%, #e3e9fa 0%, #f4f6fb 65%);
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-bg-card: rgba(255, 255, 255, 0.94);
  --glass-border: rgba(50, 65, 105, 0.12);
  --glass-shadow: 0 18px 48px rgba(35, 48, 82, 0.08);
}

.app-container { max-width: 1240px; }
.navbar-glass { border-radius: 18px; }
.hero-main-card {
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(23, 32, 55, 0.94), rgba(12, 17, 31, 0.88));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28), inset 0 1px rgba(255,255,255,.08);
}
body.light-theme .hero-main-card {
  background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(240,244,253,.94));
}
.hero-title { letter-spacing: -1.6px; }
.hero-desc { max-width: 650px; }
.stat-card { background: rgba(255,255,255,.045); }
body.light-theme .stat-card { background: rgba(255,255,255,.72); }
.section-header { align-items: end; }
.section-title { letter-spacing: -0.7px; }
.repo-card {
  border-radius: 22px;
  background: linear-gradient(155deg, rgba(20, 28, 47, .94), rgba(12, 17, 30, .92));
}
body.light-theme .repo-card { background: linear-gradient(155deg, #fff, #f7f8fc); }
.contact-glass-card, .controls-glass { border-radius: 24px; }
.form-embed-wrapper { background: rgba(7, 11, 21, .42); }
body.light-theme .form-embed-wrapper { background: rgba(238, 242, 250, .75); }
.footer-glass { border-radius: 20px; }

@media (max-width: 600px) {
  .hero-main-card { border-radius: 24px; }
  .section-header { align-items: flex-start; }
}