/* ==========================================================================
   Gamified developer portfolio — dark RPG-ish theme
   ========================================================================== */

:root {
  --bg: #0a0b16;
  --bg-alt: #12132a;
  --bg-card: #171833;
  --border: #2a2c52;
  --text: #e9e7f5;
  --text-dim: #9691b8;
  --gold: #f4b942;
  --purple: #8b5cf6;
  --cyan: #22d3ee;
  --green: #4ade80;
  --red: #f87171;
  --font-main: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --font-mono: "Cascadia Code", Consolas, "Courier New", monospace;
  --radius: 14px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(139,92,246,0.25), transparent),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(34,211,238,0.12), transparent),
    var(--bg);
}

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(10, 11, 22, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}
.logo-bracket { color: var(--purple); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  flex: 1;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  color: var(--gold) !important;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  display: block;
}

.hud {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hud-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 1px;
}
.hud-bar {
  width: 90px;
  height: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.hud-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transition: width 0.15s ease-out;
}

/* ---------------- Hero ---------------- */
.hero {
  padding: 90px 24px 70px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.portrait-frame {
  position: relative;
  width: 108px;
  height: 108px;
  flex-shrink: 0;
}
.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.portrait-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: conic-gradient(var(--gold), var(--purple), var(--cyan), var(--gold)) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-terminal {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #1c1e3f;
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}
.terminal-body {
  padding: 18px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 28px;
}
.type-line { color: var(--green); margin: 0; }

.hero-name {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(90deg, var(--text), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cursor-blink {
  color: var(--gold);
  animation: blink 1s step-end infinite;
  -webkit-text-fill-color: var(--gold);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-classes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
}
.class-pill {
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.class-dev { background: rgba(34,211,238,0.12); color: var(--cyan); border-color: rgba(34,211,238,0.35); }
.class-po { background: rgba(244,185,66,0.12); color: var(--gold); border-color: rgba(244,185,66,0.35); }
.class-lead { background: rgba(139,92,246,0.15); color: #c4b5fd; border-color: rgba(139,92,246,0.4); }
.class-plus { color: var(--text-dim); }

.hero-tagline {
  max-width: 620px;
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 30px;
}
.hero-tagline strong { color: var(--text); }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 50px; }

.btn {
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  display: inline-block;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  color: #0a0b16;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(139,92,246,0.4); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

.scroll-hint {
  background: none;
  border: none;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------------- Sections ---------------- */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.section-index {
  font-family: var(--font-mono);
  color: var(--purple);
  font-size: 0.9rem;
  background: rgba(139,92,246,0.12);
  padding: 4px 10px;
  border-radius: 6px;
}
.section-sub { color: var(--text-dim); margin: 0 0 40px; }

/* ---------------- Stats ---------------- */
.stat-grid { display: flex; flex-direction: column; gap: 22px; margin-bottom: 40px; }
.stat-row { display: flex; align-items: center; gap: 16px; }
.stat-icon { font-size: 1.4rem; width: 34px; text-align: center; }
.stat-info { flex: 1; }
.stat-name { font-size: 0.9rem; margin-bottom: 6px; color: var(--text-dim); }
.stat-bar {
  height: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.stat-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--purple), var(--gold));
  transition: width 1.1s cubic-bezier(.22,1,.36,1);
}
.stat-value {
  font-family: var(--font-mono);
  width: 70px;
  text-align: right;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.9rem;
}

.tech-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ---------------- Class preference cards ---------------- */
.class-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.class-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.class-card:hover { transform: translateY(-6px); border-color: var(--purple); }
.class-card-featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(244,185,66,0.3), 0 20px 50px rgba(244,185,66,0.08);
}
.class-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: #0a0b16;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.class-card-icon { font-size: 2.2rem; margin-bottom: 10px; }
.class-card h3 { margin: 0 0 10px; }
.class-card p { color: var(--text-dim); font-size: 0.9rem; min-height: 66px; }
.class-rank { margin-top: 12px; font-size: 1.1rem; letter-spacing: 3px; }
.class-rank .star { color: var(--border); }
.class-rank .star-filled { color: var(--gold); }

/* ---------------- Career timeline ---------------- */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.timeline-item { position: relative; }
.timeline-marker {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--purple);
}
.timeline-marker-current {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(244,185,66,0.2);
}
.timeline-marker-edu { border-color: var(--cyan); }
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}
.timeline-content h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.timeline-loc {
  font-weight: 400;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.timeline-content ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ---------------- Quest log ---------------- */
.quest-log { display: flex; flex-direction: column; gap: 16px; }
.quest-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.quest-card summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.quest-card summary::-webkit-details-marker { display: none; }
.quest-name { font-weight: 700; flex: 1; min-width: 180px; }
.quest-difficulty { color: var(--gold); font-size: 0.85rem; letter-spacing: 1px; }
.quest-tag {
  font-size: 0.75rem;
  color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.3);
  padding: 3px 10px;
  border-radius: 999px;
}
.quest-arrow { color: var(--text-dim); transition: transform 0.2s ease; }
.quest-card[open] .quest-arrow { transform: rotate(180deg); }
.quest-body { padding: 0 22px 22px; color: var(--text-dim); }
.quest-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.quest-legendary {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(244,185,66,0.06), var(--bg-card) 40%);
}
.quest-crown { font-size: 1.1rem; }
.quest-legendary .quest-tag { color: var(--gold); border-color: rgba(244,185,66,0.4); }

/* ---------------- Achievements ---------------- */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.achievement {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  opacity: 0.35;
  filter: grayscale(0.8);
  transform: translateY(14px) scale(0.98);
  transition: opacity 0.5s ease, filter 0.5s ease, transform 0.5s ease, border-color 0.5s ease;
}
.achievement.unlocked {
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(0) scale(1);
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(244,185,66,0.25), 0 12px 30px rgba(244,185,66,0.12);
}
.achievement-icon { font-size: 1.8rem; width: 40px; text-align: center; }
.achievement-title { font-weight: 700; font-size: 0.95rem; }
.achievement-desc { font-size: 0.8rem; color: var(--text-dim); }
.achievement-secret.unlocked .achievement-icon { animation: pop 0.4s ease; }
@keyframes pop { 0% { transform: scale(0.5); } 60% { transform: scale(1.25); } 100% { transform: scale(1); } }

/* ---------------- Contact ---------------- */
.contact-container { text-align: center; }
.contact-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 22px;
  font-weight: 600;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.contact-link:hover { transform: translateY(-3px); border-color: var(--cyan); color: var(--cyan); }
.contact-icon { font-size: 1.2rem; }

/* ---------------- Footer ---------------- */
.site-footer {
  padding: 30px 0 50px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------------- Toast ---------------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 1px solid var(--gold);
  color: var(--text);
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 999;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------------- Responsive ---------------- */
@media (max-width: 800px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    display: none;
    gap: 14px;
  }
  .nav-links.open { display: flex; }
  .hud { display: none; }
}