/* =============================================
   1. CSS Custom Properties
   ============================================= */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-orange: #f97316;
  --accent-pink: #ec4899;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-accent: #a78bfa;
  --glow-purple: rgba(139, 92, 246, 0.4);
  --glow-cyan: rgba(6, 182, 212, 0.4);
  --glow-orange: rgba(249, 115, 22, 0.4);
  --glow-pink: rgba(236, 72, 153, 0.4);
  --font-heading: 'Orbitron', monospace;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --nav-height: 64px;
}

/* =============================================
   2. Reset & Base
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

img, canvas { display: block; }

/* =============================================
   3. Utility Classes
   ============================================= */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 2px;
  margin: 0 auto 56px;
  position: relative;
  overflow: hidden;
}

.section-divider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: shimmer 2s infinite;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   4. Navigation
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.15);
  transition: border-color var(--transition);
}

.navbar.scrolled {
  border-bottom-color: rgba(139, 92, 246, 0.35);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo-link { display: flex; }

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-purple);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile nav open */
.navbar.open .nav-links {
  display: flex;
}

.navbar.open .hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar.open .hamburger span:nth-child(2) {
  opacity: 0;
}

.navbar.open .hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   5. Hero Section
   ============================================= */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.float-symbol {
  position: absolute;
  z-index: 1;
  color: var(--accent-purple);
  opacity: 0.25;
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
  user-select: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-greeting {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 300;
}

/* Glitch Effect */
.glitch {
  position: relative;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-shadow: 0 0 40px var(--glow-purple);
  margin-bottom: 20px;
  line-height: 1.1;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  color: var(--accent-cyan);
  animation: glitch-1 3s infinite steps(1);
  clip-path: inset(0 0 100% 0);
}

.glitch::after {
  color: var(--accent-pink);
  animation: glitch-2 3s infinite steps(1);
  clip-path: inset(100% 0 0 0);
}

.hero-typewriter {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--accent-purple);
  font-weight: 500;
  min-height: 2rem;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.cursor {
  color: var(--accent-cyan);
  animation: blink 0.8s infinite;
  margin-left: 2px;
}

.hero-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 36px;
  text-transform: uppercase;
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: #fff;
  border: none;
  box-shadow: 0 0 20px var(--glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--glow-purple), 0 0 60px rgba(139,92,246,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(139, 92, 246, 0.5);
}

.btn-outline:hover {
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-2px);
}

/* Scroll CTA */
.scroll-cta {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 1.5rem;
  color: var(--accent-purple);
  opacity: 0.7;
  animation: bounce 2s infinite;
  transition: opacity var(--transition);
}

.scroll-cta:hover { opacity: 1; }

/* =============================================
   6. About Section
   ============================================= */
#about {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-bio {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-bio strong {
  color: var(--text-primary);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.badge {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--text-accent);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  transition: background var(--transition), border-color var(--transition);
}

.badge:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--accent-purple);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-box {
  background: var(--bg-tertiary);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-box:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 16px var(--glow-purple);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-purple);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Profile Card */
.about-card-col {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.profile-card {
  background: var(--bg-tertiary);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 340px;
  animation: pulse-glow 3s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.profile-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
  border-radius: 2px;
}

.profile-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.profile-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--glow-purple);
}

.profile-username {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.1em;
}

.profile-title {
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-top: 3px;
  letter-spacing: 0.05em;
}

.profile-divider {
  height: 1px;
  background: rgba(139, 92, 246, 0.2);
  margin-bottom: 20px;
}

.profile-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.profile-stat {
  text-align: center;
}

.profile-stat-val {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.profile-stat-key {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.profile-xp-bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  margin-bottom: 6px;
  overflow: hidden;
}

.profile-xp-fill {
  height: 100%;
  width: 72%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 999px;
  box-shadow: 0 0 8px var(--glow-cyan);
}

.profile-xp-label {
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.profile-badges-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.profile-badge {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--accent-purple);
}

/* =============================================
   7. Interests Section
   ============================================= */
#interests {
  padding: 100px 0;
  background: var(--bg-primary);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.interest-card {
  --card-accent: var(--accent-purple);
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}

.interest-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-accent);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 24px color-mix(in srgb, var(--card-accent) 30%, transparent);
}

/* Card top accent line */
.interest-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.interest-card:hover::before {
  opacity: 1;
}

.card-anime   { --card-accent: var(--accent-pink); }
.card-gaming  { --card-accent: var(--accent-orange); }
.card-chess   { --card-accent: var(--accent-cyan); }

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* Game list */
.game-list {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.game-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.game-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-orange);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--glow-orange);
}

/* Card tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-tag {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  letter-spacing: 0.04em;
}

/* One Piece wave decoration */
.card-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  background: radial-gradient(ellipse 60% 40% at 50% 100%, rgba(236, 72, 153, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* Gaming card scanline */
.card-gaming::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, rgba(249, 115, 22, 0.05), transparent);
  animation: scan 4s linear infinite;
  pointer-events: none;
}

/* Rubik's Cube mini */
.rubiks-mini {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 20px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 0 10px var(--glow-cyan);
}

.rubiks-row {
  display: flex;
  gap: 3px;
}

.rc {
  width: 22px;
  height: 22px;
  border-radius: 2px;
}

.rc.r { background: #ef4444; }
.rc.g { background: #22c55e; }
.rc.b { background: #3b82f6; }
.rc.y { background: #eab308; }
.rc.w { background: #f8fafc; }
.rc.o { background: #f97316; }

/* =============================================
   8. Connect Section
   ============================================= */
#connect {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.section-connect {
  text-align: center;
}

.connect-sub {
  max-width: 500px;
  margin: 0 auto 48px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  transition: all var(--transition);
}

.social-btn:hover {
  transform: translateY(-4px);
  color: #fff;
}

.social-btn--linkedin:hover {
  background: #0077b5;
  border-color: #0077b5;
  box-shadow: 0 8px 24px rgba(0, 119, 181, 0.4);
}

.social-btn--facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
  box-shadow: 0 8px 24px rgba(24, 119, 242, 0.4);
}

.social-btn--youtube:hover {
  background: #ff0000;
  border-color: #ff0000;
  box-shadow: 0 8px 24px rgba(255, 0, 0, 0.4);
}

.social-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* =============================================
   9. Footer
   ============================================= */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid rgba(139, 92, 246, 0.1);
  padding: 28px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.heart {
  color: var(--accent-pink);
}

/* =============================================
   10. Animations
   ============================================= */
@keyframes glitch-1 {
  0%   { clip-path: inset(0 0 100% 0); transform: translateX(0); }
  5%   { clip-path: inset(10% 0 60% 0); transform: translateX(-4px); }
  10%  { clip-path: inset(50% 0 30% 0); transform: translateX(4px); }
  15%  { clip-path: inset(80% 0 5% 0); transform: translateX(-2px); }
  20%  { clip-path: inset(0 0 100% 0); transform: translateX(0); }
  100% { clip-path: inset(0 0 100% 0); transform: translateX(0); }
}

@keyframes glitch-2 {
  0%   { clip-path: inset(100% 0 0 0); transform: translateX(0); }
  5%   { clip-path: inset(60% 0 10% 0); transform: translateX(4px); }
  10%  { clip-path: inset(20% 0 65% 0); transform: translateX(-4px); }
  15%  { clip-path: inset(5% 0 80% 0); transform: translateX(2px); }
  20%  { clip-path: inset(100% 0 0 0); transform: translateX(0); }
  100% { clip-path: inset(100% 0 0 0); transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--glow-purple); }
  50%       { box-shadow: 0 0 40px var(--glow-purple), 0 0 80px rgba(139,92,246,0.15); }
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes scan {
  0%   { top: -20%; }
  100% { top: 120%; }
}

/* =============================================
   11. Responsive Breakpoints
   ============================================= */
@media (max-width: 768px) {
  /* Nav */
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }

  .nav-link {
    display: block;
    padding: 14px 24px;
    font-size: 0.9rem;
  }

  .nav-link::after { display: none; }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-card-col {
    order: -1;
  }

  /* Interests */
  .interests-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Sections */
  #about, #interests, #connect {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  /* Hero */
  .glitch {
    font-size: clamp(1.6rem, 8vw, 2.4rem);
  }

  .hero-cta-row {
    flex-direction: column;
    align-items: center;
  }

  /* Interests */
  .interests-grid {
    grid-template-columns: 1fr;
  }

  /* Social */
  .social-row {
    flex-direction: column;
    align-items: center;
  }

  .social-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  /* Sections */
  #about, #interests, #connect {
    padding: 56px 0;
  }

  .section-divider {
    margin-bottom: 40px;
  }
}