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

:root {
  font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
}

/* --- Smooth Scrolling --- */
html {
  scroll-behavior: smooth;
}

/* --- Theme Transition Rule --- */
/* Target background and color transitions smoothly without affecting hover transform animations */
body, header, section, footer, div, p, span, a, button, input, textarea, label {
  transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
              border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
              color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.dark ::-webkit-scrollbar-track {
  background: #000000;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.dark ::-webkit-scrollbar-thumb {
  background: #27272a;
}

::-webkit-scrollbar-thumb:hover {
  background: #a855f7; /* Kwangya Neon Purple */
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: #a855f7;
}

/* --- Floating Animation --- */
@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(1.5deg);
  }
}

.animate-float {
  animation: float 5s ease-in-out infinite;
}

/* --- Secondary Floating Animation (Offset) --- */
@keyframes float-slow {
  0%, 100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(8px) scale(1.03);
  }
}

.animate-float-slow {
  animation: float-slow 7s ease-in-out infinite;
}

/* --- Rotating Animation --- */
@keyframes spin-slow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

/* --- Glassmorphic Hover Card Effect --- */
.glass-card {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* --- Active ScrollSpy Navigation Class --- */
.active-nav-link {
  color: #a855f7 !important; /* Kwangya Neon Purple */
  position: relative;
}

.dark .active-nav-link {
  color: #a855f7 !important;
}

.active-nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 9999px;
  transform: scaleX(1);
  transition: transform 0.3s ease;
}

/* --- Responsive Timeline Line --- */
@media (min-width: 768px) {
  .timeline-line {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* --- Form Input Custom Highlights --- */
.custom-input {
  background-color: rgba(255, 255, 255, 0.4);
}

.dark .custom-input {
  background-color: rgba(9, 9, 11, 0.3);
}

.custom-input:focus {
  border-color: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
  background-color: #ffffff;
}

.dark .custom-input:focus {
  border-color: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
  background-color: #030303;
}

/* --- Skill Category Active Tab --- */
.skill-tab-active {
  background-color: #a855f7;
  color: #ffffff !important;
}

.dark .skill-tab-active {
  background-color: #a855f7;
  color: #030303 !important;
}

/* --- Cyber Glow Card Effect (aespa Theme) --- */
.cyber-glow-card {
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode: subtle elegant shadow */
.cyber-glow-card:hover {
  box-shadow: 0 12px 30px rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.25);
}

/* Dark Mode: Neon Purple Glow */
.dark .cyber-glow-card {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.15);
}

.dark .cyber-glow-card:hover {
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.35), 0 0 10px rgba(0, 210, 255, 0.2);
  border-color: rgba(168, 85, 247, 0.6);
}

/* Border Gradient overlay on hover */
.cyber-glow-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 1rem;
  padding: 1.5px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: background 0.4s ease;
  z-index: 1;
}

.dark .cyber-glow-card:hover::before {
  background: linear-gradient(135deg, #a855f7, #00d2ff); /* Neon Purple to Electric Blue */
}

/* --- Cyber Grid Background Overlay --- */
.cyber-grid {
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(168, 85, 247, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 85, 247, 0.03) 1px, transparent 1px);
}

.dark .cyber-grid {
  background-image: 
    linear-gradient(to right, rgba(168, 85, 247, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 85, 247, 0.05) 1px, transparent 1px);
}

/* --- Dynamic Slow Glow Animations --- */
@keyframes slow-move-1 {
  0%, 100% {
    transform: translate(0px, 0px) scale(1);
  }
  33% {
    transform: translate(5%, -4%) scale(1.05);
  }
  66% {
    transform: translate(-3%, 6%) scale(0.95);
  }
}

@keyframes slow-move-2 {
  0%, 100% {
    transform: translate(0px, 0px) scale(1.05);
  }
  33% {
    transform: translate(-6%, 5%) scale(0.95);
  }
  66% {
    transform: translate(4%, -5%) scale(1.03);
  }
}

.animate-slow-glow-1 {
  animation: slow-move-1 25s ease-in-out infinite;
}

.animate-slow-glow-2 {
  animation: slow-move-2 30s ease-in-out infinite;
}

/* --- Full Screen Intro Overlay --- */
body.intro-active {
  overflow: hidden !important;
}

.intro-overlay {
  position: fixed;
  inset: 0;
  background-color: #000000; /* Deep absolute black */
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
}

.intro-ambient-glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
  filter: blur(100px);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 2.5s ease-out, transform 2.5s ease-out;
  pointer-events: none;
  z-index: 1;
}

.intro-ambient-glow.active {
  opacity: 1;
  transform: scale(1);
}

/* Big Logo J Stage */
.intro-logo-j {
  font-family: 'Outfit', sans-serif;
  font-size: 8rem;
  font-weight: 900;
  color: #ffffff;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.7), 0 0 40px rgba(168, 85, 247, 0.4);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 10;
  display: none;
}

.intro-logo-j.visible {
  display: block;
  opacity: 1;
  transform: scale(1);
}

.intro-logo-j.glitching::before,
.intro-logo-j.glitching::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
}

.intro-logo-j.glitching::before {
  left: 3px;
  text-shadow: -2px 0 #ff00c8;
  clip: rect(10px, 9999px, 85px, 0);
  animation: glitch-anim-j1 1.2s infinite linear alternate-reverse;
}

.intro-logo-j.glitching::after {
  left: -3px;
  text-shadow: -2px 0 #00d2ff, 0 2px #a855f7;
  clip: rect(60px, 9999px, 140px, 0);
  animation: glitch-anim-j2 1.2s infinite linear alternate-reverse;
}

@keyframes glitch-anim-j1 {
  0% { clip: rect(15px, 9999px, 45px, 0); }
  25% { clip: rect(50px, 9999px, 95px, 0); }
  50% { clip: rect(5px, 9999px, 30px, 0); }
  75% { clip: rect(75px, 9999px, 120px, 0); }
  100% { clip: rect(20px, 9999px, 60px, 0); }
}

@keyframes glitch-anim-j2 {
  0% { clip: rect(55px, 9999px, 105px, 0); }
  25% { clip: rect(10px, 9999px, 40px, 0); }
  50% { clip: rect(70px, 9999px, 135px, 0); }
  75% { clip: rect(15px, 9999px, 50px, 0); }
  100% { clip: rect(35px, 9999px, 85px, 0); }
}

/* Full Logo JEERAPAT.S Stage */
.glitch-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #ffffff;
  position: relative;
  text-shadow: 0 0 15px rgba(168, 85, 247, 0.6), 0 0 30px rgba(168, 85, 247, 0.4);
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s ease;
  z-index: 10;
  display: none;
}

.glitch-logo.visible {
  display: block;
  opacity: 1;
  transform: scale(1);
}

/* MP4 Video Player Element */
.intro-video-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.intro-video-container.active {
  opacity: 1;
}

.intro-video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Welcome Text Stage */
.intro-welcome-container {
  position: relative;
  z-index: 12;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.intro-welcome-container.visible {
  opacity: 1;
  transform: translateY(0);
}

.intro-welcome-title {
  font-family: 'Outfit', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.8), 0 0 40px rgba(168, 85, 247, 0.5);
  background: linear-gradient(135deg, #ffffff 40%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.intro-welcome-cursor {
  border-right: 3px solid #a855f7;
  animation: blink-caret 0.75s step-end infinite;
}

/* Skip Button */
.intro-skip-btn {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  padding: 0.5rem 1.25rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #a78bfa;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
  z-index: 10000;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  backdrop-filter: blur(8px);
}

.intro-skip-btn.visible {
  opacity: 1;
  transform: translateY(0);
}

.intro-skip-btn:hover {
  background: rgba(168, 85, 247, 0.2);
  color: #ffffff;
  border-color: #a855f7;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}