/* ===========================
   Design System & Variables
   =========================== */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #0e0e24;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --text-primary: #e8e8f0;
  --text-secondary: #9494b8;
  --text-muted: #5a5a80;
  --accent-1: #6c63ff;
  --accent-2: #00d2ff;
  --accent-3: #a855f7;
  --gradient-main: linear-gradient(135deg, #6c63ff 0%, #00d2ff 50%, #a855f7 100%);
  --border-color: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(108, 99, 255, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: 0.4s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ===========================
   Grain Overlay
   =========================== */
.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* ===========================
   Cursor Glow
   =========================== */
.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  will-change: left, top;
}

/* ===========================
   Scroll Progress
   =========================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--gradient-main);
  z-index: 10000;
  width: 0%;
  transition: none;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section {
  padding: 140px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 64px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: -44px;
  margin-bottom: 56px;
  max-width: 520px;
}

/* ===========================
   Reveal Animations
   =========================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-reveal][data-direction="left"] {
  transform: translateX(-40px);
}

[data-reveal][data-direction="right"] {
  transform: translateX(40px);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

/* ===========================
   Navigation
   =========================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: padding 0.4s var(--ease-out), background 0.4s var(--ease-out);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(108, 99, 255, 0.25);
  transition: var(--transition);
}

.nav-logo:hover {
  border-color: var(--accent-1);
  box-shadow: 0 0 24px rgba(108, 99, 255, 0.2);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
}

.nav-links a {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(108, 99, 255, 0.08);
}

.nav-links a.active {
  color: var(--text-primary);
  background: rgba(108, 99, 255, 0.12);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(108, 99, 255, 0.06);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  padding: 6px;
  background: rgba(14, 14, 36, 0.97);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out), visibility 0.2s;
  z-index: 1001;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.lang-option:hover {
  background: rgba(108, 99, 255, 0.1);
  color: var(--text-primary);
}

.lang-option.active {
  color: var(--accent-2);
}

/* Hide Google Translate bar/branding */
.goog-te-banner-frame,
#goog-gt-tt,
.goog-te-balloon-frame,
.goog-tooltip,
.goog-tooltip:hover,
div#goog-gt-,
.goog-text-highlight {
  display: none !important;
}

body { top: 0 !important; }

.goog-te-gadget {
  font-size: 0 !important;
}

.skiptranslate {
  display: none !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 140px;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.3;
  will-change: transform;
}

.shape-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.3), transparent 70%);
  top: -200px;
  left: -100px;
  animation: shapeFloat1 25s infinite ease-in-out;
}

.shape-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.2), transparent 70%);
  bottom: -150px;
  right: -100px;
  animation: shapeFloat2 30s infinite ease-in-out;
}

.shape-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
  top: 40%;
  left: 45%;
  animation: shapeFloat3 20s infinite ease-in-out;
}

@keyframes shapeFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -30px) scale(1.08); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(30px, 40px) scale(1.03); }
}

@keyframes shapeFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, -20px) scale(1.06); }
  66% { transform: translate(30px, 30px) scale(0.94); }
}

@keyframes shapeFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-45%, -55%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.18);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 36px;
  letter-spacing: 0.03em;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-name-line {
  display: block;
}

.hero-title {
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-motto {
  font-size: 1.05rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  margin-bottom: 16px;
  min-height: 1.5em;
}

.hero-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto 44px;
  line-height: 1.9;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 99, 255, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-download {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.btn-download:hover {
  color: var(--text-primary);
  border-color: rgba(108, 99, 255, 0.3);
  box-shadow: 0 0 20px rgba(108, 99, 255, 0.15);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.scroll-indicator span {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================
   About Section
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.85;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.highlight-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(6px);
}

.highlight-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  min-width: 52px;
}

.highlight-text h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ===========================
   Experience Timeline
   =========================== */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-1) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
  opacity: 0.3;
}

.timeline-item {
  padding-left: 48px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -4px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 12px rgba(108, 99, 255, 0.4);
  z-index: 1;
}

.timeline-year {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.timeline-card {
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.timeline-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.timeline-header {
  margin-bottom: 8px;
}

.timeline-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.timeline-company {
  font-size: 0.88rem;
  color: var(--accent-2);
  font-weight: 500;
}

.timeline-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.timeline-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ===========================
   Projects Section
   =========================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  padding: 36px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

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

.project-card-wide {
  grid-column: span 2;
}

.project-number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.5;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.project-subtitle {
  font-size: 0.85rem;
  color: var(--accent-2);
  font-weight: 500;
  margin-bottom: 12px;
}

.project-card > p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  padding: 4px 11px;
  background: rgba(108, 99, 255, 0.06);
  border: 1px solid rgba(108, 99, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.project-card:hover .project-tags span {
  color: var(--text-secondary);
  border-color: rgba(108, 99, 255, 0.2);
}

/* ===========================
   Vibe Coded Projects
   =========================== */
.vibe-showcase {
  margin-bottom: 40px;
}

.vibe-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.vibe-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.vibe-card-compact {
  grid-template-columns: 1fr;
}

.vibe-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 16px 64px rgba(108, 99, 255, 0.08);
}

.vibe-card-visual {
  position: relative;
  background: #080818;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
  overflow: hidden;
}

.vibe-game-preview {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vibe-game-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vibe-game-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(8, 8, 24, 0.6);
  opacity: 0;
  transition: var(--transition);
  cursor: pointer;
}

.vibe-card:hover .vibe-game-overlay {
  opacity: 1;
}

.vibe-play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 24px rgba(108, 99, 255, 0.4);
  transition: transform 0.3s var(--ease-bounce);
}

.vibe-card:hover .vibe-play-btn {
  transform: scale(1.1);
}

.vibe-game-overlay span {
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.vibe-card-compact .vibe-card-visual {
  min-height: 220px;
}

.vibe-card-compact .vibe-card-info {
  padding: 28px;
}

.vibe-card-compact .vibe-card-info h3 {
  font-size: 1.4rem;
}

.vibe-card-compact .vibe-card-info > p {
  font-size: 0.82rem;
}

.vibe-card-info {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.vibe-card-badge {
  display: inline-block;
  width: fit-content;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.15);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.vibe-card-info h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.03em;
}

.vibe-card-info > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.vibe-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.vibe-card-tech span {
  padding: 4px 11px;
  background: rgba(168, 85, 247, 0.06);
  border: 1px solid rgba(168, 85, 247, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-3);
}

.vibe-card-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.control-key {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-key kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-primary);
  box-shadow: 0 2px 0 rgba(255, 255, 255, 0.05);
}

.control-key span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.vibe-play-link {
  width: fit-content;
}

.vibe-play-link .arrow {
  transition: transform 0.3s var(--ease-out);
  display: inline-block;
}

.vibe-play-link:hover .arrow {
  transform: translateX(4px);
}

/* Mini Tetris preview canvas */
#miniTetris {
  image-rendering: pixelated;
}

/* ===========================
   Skills Section
   =========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.skills-category {
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.skills-category:hover {
  border-color: var(--border-hover);
}

.skills-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skills-icon-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot-color, var(--accent-1));
  flex-shrink: 0;
}

.skills-category-header h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skills-tags span {
  padding: 5px 13px;
  background: rgba(0, 210, 255, 0.04);
  border: 1px solid rgba(0, 210, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.skills-tags span:hover {
  background: rgba(0, 210, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(0, 210, 255, 0.2);
  transform: translateY(-1px);
}

.ai-skills span {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.1);
  color: #34d399;
}

.ai-skills span:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.25);
  color: var(--text-primary);
}

.certifications span {
  background: rgba(168, 85, 247, 0.05);
  border-color: rgba(168, 85, 247, 0.1);
  color: var(--accent-3);
}

.certifications span:hover {
  background: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.25);
  color: var(--text-primary);
}

/* ===========================
   Education Section
   =========================== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.education-card {
  padding: 36px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
}

.education-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.education-year {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-1);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  opacity: 0.7;
}

.education-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.education-school {
  color: var(--accent-2);
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.education-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.education-card > p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.65;
}

/* ===========================
   Contact Section
   =========================== */
.contact-intro {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: -44px;
  margin-bottom: 48px;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.contact-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.contact-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(108, 99, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-1);
  transition: var(--transition);
}

.contact-card:hover .contact-icon-wrap {
  background: rgba(108, 99, 255, 0.15);
}

.contact-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  transition: var(--transition);
}

.social-link:hover {
  color: var(--text-primary);
  background: rgba(108, 99, 255, 0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* Contact Form */
.contact-form-section {
  margin-top: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form-section h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 24px;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: var(--transition);
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent-1);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.08);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  align-self: center;
  min-width: 180px;
  margin-top: 4px;
}

#form-status {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

#form-status:empty {
  display: none;
}

#form-status.success {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
}

#form-status.error {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

#form-status.sending {
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Languages */
.languages-section {
  margin-top: 56px;
  text-align: center;
}

.languages-section h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.languages-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.language-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.language-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.lang-name {
  font-weight: 600;
  font-size: 0.88rem;
}

.lang-level {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ===========================
   Footer
   =========================== */
footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

footer p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .education-grid {
    grid-template-columns: 1fr 1fr;
  }

  .vibe-grid-2 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .vibe-card {
    grid-template-columns: 1fr;
  }

  .vibe-card-compact {
    grid-template-columns: 1fr 1fr;
  }

  .vibe-card-compact .vibe-card-visual {
    min-height: 260px;
  }

  .vibe-card-compact .vibe-card-info {
    padding: 32px;
  }

  .vibe-game-overlay {
    opacity: 1;
    background: rgba(8, 8, 24, 0.4);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 100px 0;
  }

  .section-title {
    margin-bottom: 48px;
  }

  .cursor-glow {
    display: none;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 100px 28px 32px;
    gap: 4px;
    border-left: 1px solid var(--border-color);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

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

  .project-card-wide {
    grid-column: span 1;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .education-grid {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .vibe-card-info {
    padding: 32px;
  }

  .vibe-card-compact {
    grid-template-columns: 1fr;
  }

  .vibe-card-compact .vibe-card-info {
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: 2.8rem;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

  .vibe-play-link {
    width: 100%;
    justify-content: center;
  }

  .vibe-card-controls {
    flex-wrap: wrap;
  }
}