/* ===================== Root & Reset ===================== */
:root {
  --bg: #0a0a12;
  --bg-alt: #10101c;
  --surface: #14141f;
  --surface-2: #1a1a29;
  --border: #262639;
  --text: #f1f1f8;
  --text-dim: #a3a3b8;
  --text-faint: #6b6b82;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-grad: linear-gradient(135deg, #7c5cff, #22d3ee);
  --shadow: 0 20px 50px -12px rgba(124, 92, 255, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:root[data-theme="light"] {
  --bg: #f7f7fb;
  --bg-alt: #ffffff;
  --surface: #ffffff;
  --surface-2: #f0f0f7;
  --border: #e3e3ee;
  --text: #14141f;
  --text-dim: #52526b;
  --text-faint: #85859c;
  --shadow: 0 20px 50px -12px rgba(124, 92, 255, 0.15);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f7fb;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --surface-2: #f0f0f7;
    --border: #e3e3ee;
    --text: #14141f;
    --text-dim: #52526b;
    --text-faint: #85859c;
    --shadow: 0 20px 50px -12px rgba(124, 92, 255, 0.15);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }

.highlight {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===================== Cursor Glow ===================== */
.cursor-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,255,0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  will-change: transform;
}
@media (max-width: 768px) { .cursor-glow { display: none; } }

/* ===================== Loader ===================== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-text {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.6; }
}

/* ===================== Navbar ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all var(--transition);
}
.navbar.scrolled {
  padding: 12px 0;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--transition);
  padding: 4px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--accent-grad);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 14px; }

/* ===================== Language switch ===================== */
.lang-switch { position: relative; }
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1rem;
  transition: all var(--transition);
}
.lang-toggle:hover { border-color: var(--accent); }
.flag-icon {
  width: 20px;
  height: 15px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
}
.lang-caret { width: 13px; height: 13px; transition: transform var(--transition); flex-shrink: 0; }
.lang-switch.open .lang-caret { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 168px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 200;
}
.lang-switch.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-dropdown li { list-style: none; }
.lang-dropdown button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  text-align: left;
  transition: all var(--transition);
}
.lang-dropdown button:hover { background: var(--surface-2); color: var(--text); }
.lang-dropdown button.active { background: rgba(124, 92, 255, 0.12); color: var(--accent); }
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(20deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }
:root[data-theme="light"] .icon-moon { display: block; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.menu-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(124, 92, 255, 0.6);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -8px rgba(124, 92, 255, 0.75); }
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(124, 92, 255, 0.08); transform: translateY(-3px); }
.btn-full { width: 100%; }

/* ===================== Hero ===================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  padding-top: 100px;
  padding-bottom: 60px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(124, 92, 255, 0.1);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -1.5px;
  margin-bottom: 22px;
}
.typed-wrap { color: var(--accent-2); }
.cursor-blink { animation: blink 0.9s infinite; color: var(--accent-2); }
@keyframes blink { 50% { opacity: 0; } }

.hero-text {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-socials { display: flex; gap: 14px; align-items: center; }
.hero-socials a, .hero-socials .social-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  background: none;
  transition: all var(--transition);
}
.hero-socials a svg, .hero-socials .social-btn svg { width: 18px; height: 18px; }
.hero-socials a:hover, .hero-socials .social-btn:hover { color: #fff; background: var(--accent-grad); border-color: transparent; transform: translateY(-4px); }

/* ===================== Social popover (Discord) ===================== */
.social-popover { position: relative; }
.social-popover .social-btn { cursor: pointer; }
.social-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 200;
  text-align: left;
}
.social-popover.open .social-panel {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.social-panel-label {
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.social-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.social-panel-value { font-weight: 600; font-size: 0.95rem; }
.copy-btn {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: all var(--transition);
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn svg { width: 15px; height: 15px; }
.copy-btn .icon-check { display: none; color: #22c55e; }
.copy-btn.copied .icon-copy { display: none; }
.copy-btn.copied .icon-check { display: block; }
.copy-btn.copied { border-color: #22c55e; }

.hero-visual { position: relative; height: 420px; display: flex; align-items: center; justify-content: center; }
.avatar-wrap { position: relative; z-index: 2; }
.avatar-frame {
  width: 240px; height: 240px;
  border-radius: 34% 66% 62% 38% / 42% 38% 62% 58%;
  background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  box-shadow: var(--shadow);
  animation: morph 8s ease-in-out infinite;
}
@keyframes morph {
  0%, 100% { border-radius: 34% 66% 62% 38% / 42% 38% 62% 58%; }
  50% { border-radius: 62% 38% 38% 62% / 58% 62% 38% 42%; }
}
.orbit-ring {
  position: absolute;
  border: 1px dashed var(--border);
  border-radius: 50%;
}
.ring1 { width: 320px; height: 320px; animation: spin 30s linear infinite; }
.ring2 { width: 400px; height: 400px; animation: spin 45s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.float-badge {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: floaty 4s ease-in-out infinite;
  z-index: 3;
}
.badge-1 { top: 6%; left: -4%; animation-delay: 0s; }
.badge-2 { bottom: 14%; right: -6%; animation-delay: 1.2s; }
.badge-3 { bottom: -2%; left: 8%; animation-delay: 2.2s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.scroll-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-indicator span {
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 3px;
  animation: scrollDown 1.6s ease infinite;
}
@keyframes scrollDown { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(14px); } }

/* ===================== Sections ===================== */
.section { padding: 120px 0; position: relative; }
.section-heading { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-heading h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -1px; }

/* ===================== About ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p { color: var(--text-dim); margin-bottom: 18px; }
.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0 32px;
}
.about-info span { font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.5px; }
.about-info p { font-weight: 600; margin-top: 4px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover { transform: translateY(-6px); border-color: var(--accent); }
.stat-card h3 {
  font-size: 2.4rem;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-card p { color: var(--text-dim); font-size: 0.88rem; margin-top: 6px; }

.about-stats-single { grid-template-columns: 1fr; }
.about-stats-single .stat-card { padding: 56px 32px; }
.about-stats-single .stat-card h3 { font-size: 4.5rem; }
.about-stats-single .stat-card p { font-size: 1.1rem; margin-top: 12px; }

/* ===================== Projects ===================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--text); border-color: var(--accent); }
.filter-btn.active { background: var(--accent-grad); color: #fff; border-color: transparent; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.project-card.hidden-card { display: none; }
.project-media { height: 180px; }
.project-body { padding: 24px; }
.project-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.project-body p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 16px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tags span {
  font-size: 0.74rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-dim);
}
.project-links { display: flex; justify-content: space-between; font-size: 0.85rem; font-weight: 600; }
.project-links a { color: var(--accent); transition: opacity var(--transition); }
.project-links a:hover { opacity: 0.7; }

/* ===================== Timeline ===================== */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; padding-left: 40px; margin-bottom: 42px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}
.timeline-date { font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.timeline-content h3 { margin: 6px 0 2px; font-size: 1.1rem; }
.timeline-org { color: var(--text-faint); font-size: 0.88rem; margin-bottom: 8px; }
.timeline-content p:last-child { color: var(--text-dim); font-size: 0.92rem; }

/* ===================== Contact ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}
.contact-lead { color: var(--text-dim); margin-bottom: 32px; font-size: 1.02rem; }
.contact-list { display: flex; flex-direction: column; gap: 22px; margin-bottom: 32px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-list span { font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.5px; }
.contact-list p { font-weight: 600; margin-top: 2px; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--text-dim); }
.form-group input, .form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-note { font-size: 0.86rem; color: var(--accent-2); min-height: 1.2em; }

/* ===================== Footer ===================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-inner p { color: var(--text-faint); font-size: 0.88rem; }
.back-to-top {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.back-to-top:hover { background: var(--accent-grad); border-color: transparent; color: #fff; transform: translateY(-4px); }

/* ===================== Reveal Animations ===================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================== Responsive ===================== */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 130px; }
  .hero-actions, .hero-socials { justify-content: center; }
  .hero-text { margin-left: auto; margin-right: auto; }
  .hero-visual { order: -1; height: 320px; margin-bottom: 20px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 22px;
    transform: translateY(-150%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav-links.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .menu-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .about-info { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 24px; }
}

@media (max-width: 560px) {
  .projects-grid, .about-stats { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .float-badge { display: none; }
}

@media (max-width: 420px) {
  .nav-actions { gap: 8px; }
  .lang-toggle { padding: 0 8px; }
  .lang-dropdown { right: -10px; }
}