/* Modern Portfolio CSS - Mahesh Narsale */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --accent: #8b5cf6;
  --accent-glow: rgba(139, 92, 246, 0.5);
  --brandblue: #2563eb;
  --brandgreen: #10b981;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
}

body {
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', sans-serif;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark .glass {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.dark .glass-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Premium Card Scaling */
.card-hover {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px -12px rgba(139, 92, 246, 0.2);
}

/* Premium Button System */
.btn-premium, .btn-secondary-premium, .btn-outline-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none !important;
}

.btn-premium {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  background-size: 200% auto;
  color: white !important;
  border: none;
  box-shadow: 0 10px 25px -10px rgba(168, 85, 247, 0.5);
}

.btn-premium:hover {
  background-position: right center;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 30px -12px rgba(168, 85, 247, 0.6);
}

.btn-premium:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-secondary-premium {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #1e293b !important;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.dark .btn-secondary-premium {
  background: rgba(30, 41, 59, 0.5);
  color: #f1f5f9 !important;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary-premium:hover {
  transform: translateY(-3px) scale(1.02);
  background: rgba(139, 92, 246, 0.1);
  border-color: #8b5cf6;
  color: #8b5cf6 !important;
  box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.1);
}

.dark .btn-secondary-premium:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: #a78bfa;
  color: #a78bfa !important;
}

.btn-outline-premium {
  background: transparent;
  color: #8b5cf6 !important;
  border: 2px solid #8b5cf6;
}

.dark .btn-outline-premium {
  color: #a78bfa !important;
  border-color: #a78bfa;
}

.btn-outline-premium:hover {
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 20px -10px rgba(139, 92, 246, 0.4);
}

.dark .btn-outline-premium:hover {
  background: rgba(167, 139, 250, 0.1);
}

.btn-premium svg, .btn-secondary-premium svg, .btn-outline-premium svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes floatSlow {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.animate-float-slow {
  animation: floatSlow 8s ease-in-out infinite;
}

/* Text Gradient */
.text-gradient {
  background: linear-gradient(to right, #a855f7, #3b82f6, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* Background Blending */
.blend-to-bg {
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

/* Section Title Underline */
.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3rem;
  height: 4px;
  background: linear-gradient(to right, var(--accent), var(--brandblue));
  border-radius: 2px;
}

.skill-component {
  position: relative;
  overflow: hidden;
}

/* Blend skill component with page background in dark mode */
html.dark .skill-component {
  background: rgba(148,163,184,0.12) !important;
  box-shadow: none !important;
  border-color: rgba(148,163,184,0.12) !important;
}

/* Slight lift for light mode to keep subtle card feel */
html:not(.dark) .skill-component {
  background: rgba(247,250,252,0.9) !important;
  border-color: rgba(148,163,184,0.12) !important;
}

.skill-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-filter-btn {
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(241, 245, 249, 0.9);
  color: #334155;
  padding: 0.85rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

html.dark .skill-filter-btn {
  background: rgba(15, 23, 42, 0.9);
  color: #cbd5e1;
  border-color: rgba(148, 163, 184, 0.2);
}

.skill-filter-btn:hover,
.skill-filter-btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(226, 232, 240, 0.9);
  color: #0f172a;
  border-color: rgba(139, 92, 246, 0.5);
}

html.dark .skill-filter-btn:hover,
html.dark .skill-filter-btn:focus-visible {
  background: rgba(71, 85, 105, 0.9);
  color: #f8fafc;
  border-color: rgba(139, 92, 246, 0.35);
}

.skill-filter-btn.active {
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  border-color: rgba(139, 92, 246, 0.8);
  color: white;
  box-shadow: 0 14px 35px rgba(139, 92, 246, 0.35);
}

html.dark .skill-filter-btn.active {
  background: linear-gradient(135deg, #6d28d9 0%, #8b5cf6 100%);
  box-shadow: 0 14px 35px rgba(139, 92, 246, 0.25);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.skill-item {
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(241, 245, 249, 0.8);
  color: #0f172a;
  padding: 1rem 1.2rem;
  border-radius: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.95rem;
  font-weight: 700;
  min-height: 3.2rem;
  width: 100%;
  text-align: left;
  transition: transform 0.25s ease, opacity 0.25s ease, filter 0.25s ease, box-shadow 0.25s ease;
}

html.dark .skill-item {
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
}

.skill-item:hover,
.skill-item:focus-visible {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
}

html.dark .skill-item:hover,
html.dark .skill-item:focus-visible {
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.35);
}

.skill-item.fade-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.skill-item-icon {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  border-radius: 0.45rem;
  background: rgba(0, 0, 0, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

html.dark .skill-item-icon {
  background: rgba(255, 255, 255, 0.05);
}

.skill-item-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.skill-item.fade-out {
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  filter: blur(0.2rem);
  pointer-events: none;
}

.skill-item.hidden {
  display: none !important;
}

.skill-item.clicked {
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
  border-color: rgba(139, 92, 246, 0.6);
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 10px;
}

.dark ::-webkit-scrollbar-thumb {
  background: #334155;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Gallery Blur */
.gallery-item img {
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* Global Mobile Menu Enhancements */
#mobile-menu a {
  transition: color 0.2s ease;
}

#mobile-menu a:hover {
  color: var(--brandblue);
}

/* GitHub projects grid: keep rows equal so cards form neat 3x3 layout */
#github-projects {
  grid-auto-rows: 1fr;
}

#github-projects > article {
  display: flex;
  flex-direction: column;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}