/* ============================================
   EXTRA — New sections & Effects
   Scroll progress, cursor, marquee, experience,
   contact form, counter animations
   ============================================ */

/* ---- Scroll Progress Bar ---- */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--grad);
  z-index: 9999;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(0,200,240,0.5);
}

/* ---- Custom Cursor (desktop only) ---- */
.cursor-dot,
.cursor-glow {
  pointer-events: none;
  position: fixed;
  border-radius: 50%;
  z-index: 10000;
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor-dot {
    display: block;
    width: 8px; height: 8px;
    background: var(--blue);
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
  }
  .cursor-glow {
    display: block;
    width: 36px; height: 36px;
    border: 1.5px solid rgba(0,200,240,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s;
  }
  .cursor-dot.hovering {
    width: 12px; height: 12px;
    background: var(--violet);
  }
  .cursor-glow.hovering {
    width: 52px; height: 52px;
    border-color: rgba(157,78,221,0.4);
  }
}

/* ---- Skills Marquee ---- */
#stack {
  padding: var(--section-y) 0 48px;
  overflow: hidden;
}

.skills-marquee {
  position: relative;
  overflow: hidden;
  margin-top: 32px;
  padding: 16px 0;
}

.skills-marquee::before,
.skills-marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.skills-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}
.skills-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.marquee-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.skills-marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-sm);
  background: var(--card-bg);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: border-color 0.28s, color 0.28s;
  cursor: default;
}

.marquee-item:hover {
  border-color: var(--border-blue);
  color: var(--blue);
}

.marquee-item i { color: var(--blue); font-size: 1rem; }
.marquee-emoji  { font-size: 1rem; }

/* ---- Experience Timeline ---- */
#experience {
  padding: var(--section-y) 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}

.exp-timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 28px;
}

.exp-timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--blue), var(--violet), transparent);
  opacity: 0.35;
}

.exp-item {
  position: relative;
  margin-bottom: 32px;
}

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

.exp-dot {
  position: absolute;
  left: -28px;
  top: 22px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-blue);
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.exp-item:hover .exp-dot {
  border-color: var(--blue);
  box-shadow: 0 0 12px rgba(0,200,240,0.3);
}

.exp-dot-inner {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 6px rgba(0,200,240,0.6);
}

.exp-card {
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: border-color 0.28s, box-shadow 0.28s, background 0.28s;
  position: relative;
}

.exp-card:hover {
  border-color: var(--border-blue);
  background: var(--card-bg-h);
  box-shadow: 0 12px 36px rgba(0,0,0,0.25), var(--shadow-glow);
}

.exp-top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.exp-badge-live {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  font-size: 0.68rem;
  font-weight: 700;
  color: #22c55e;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation: badgePulse 2s ease-in-out infinite;
}

.exp-date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  color: var(--text-dim);
}

.exp-date svg {
  width: 12px; height: 12px;
  stroke: var(--text-dim);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.exp-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  transition: color 0.28s;
}
.exp-card:hover h3 { color: var(--blue); }

.exp-card h4 {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.exp-card h4 svg {
  width: 13px; height: 13px;
  stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0;
}

.exp-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.exp-card li {
  font-size: 0.83rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
  transition: color 0.2s;
}
.exp-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 0.7rem;
}
.exp-card li strong { color: var(--text); }

/* ---- Contact Form ---- */
.contact-form {
  text-align: left;
  max-width: 520px;
  margin: 0 auto 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
}

.req { color: var(--blue); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.28s, background 0.28s, box-shadow 0.28s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-blue);
  background: var(--card-bg-h);
  box-shadow: 0 0 0 3px rgba(0,200,240,0.08);
}

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

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238896aa' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

.form-group select option { background: var(--bg-2); color: var(--text); }

.form-group textarea { resize: vertical; min-height: 100px; line-height: 1.65; }

/* Contact Method Selector */
.contact-method-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.method-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text-muted);
  font-size: 0.83rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
  font-family: 'Inter', sans-serif;
  flex: 1 1 auto;
  justify-content: center;
}

.method-btn svg {
  width: 15px; height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}

.method-btn:hover {
  border-color: var(--border-blue);
  color: var(--blue);
}

.method-btn.active {
  border-color: var(--blue);
  background: var(--blue-dim);
  color: var(--blue);
  font-weight: 600;
}

.form-hint {
  font-size: 0.73rem;
  color: var(--text-dim);
  font-style: italic;
}

/* Form submit */
.form-submit {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 0.95rem;
  border-radius: var(--r-md);
}

.form-note {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: -6px;
}

/* Success state */
.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: rgba(34,197,94,0.07);
  border: 1px solid rgba(34,197,94,0.22);
  margin-top: 4px;
}

/* Fix: HTML [hidden] is overridden by display:flex above */
.form-success[hidden] { display: none !important; }

.form-success svg {
  stroke: #22c55e;
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.form-success strong {
  display: block;
  font-size: 0.9rem;
  color: #22c55e;
}

.form-success span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Error state on inputs */
.input-error {
  border-color: rgba(239,68,68,0.5) !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.08) !important;
}

/* ---- Counter animation ---- */
.counter {
  display: inline-block;
  transition: transform 0.3s var(--ease-spring);
}
.counter.counted { transform: scale(1.08); }

/* ---- Light Mode adjustments ---- */
:root.light-mode .marquee-item {
  background: rgba(255,255,255,0.8);
}

:root.light-mode .exp-card { background: rgba(255,255,255,0.7); }
:root.light-mode .form-group input,
:root.light-mode .form-group select,
:root.light-mode .form-group textarea {
  background: rgba(255,255,255,0.8);
  border-color: rgba(0,0,0,0.1);
  color: var(--text);
}
:root.light-mode .form-group input::placeholder,
:root.light-mode .form-group textarea::placeholder {
  color: var(--text-dim);
}
:root.light-mode .method-btn {
  background: rgba(255,255,255,0.7);
  border-color: rgba(0,0,0,0.1);
}
:root.light-mode #scroll-progress {
  box-shadow: 0 0 6px rgba(0,150,200,0.4);
}

/* ---- Mobile First Responsive ---- */
@media (max-width: 480px) {
  .exp-timeline { padding-left: 22px; }
  .exp-timeline::before { left: 5px; }
  .exp-dot { left: -22px; width: 14px; height: 14px; }
  .exp-dot-inner { width: 5px; height: 5px; }
  .exp-card { padding: 16px 14px; }
  .contact-method-selector { gap: 6px; }
  .method-btn { padding: 8px 12px; font-size: 0.78rem; }
  .contact-form { gap: 14px; }
  .form-group input, .form-group select, .form-group textarea {
    padding: 11px 12px; font-size: 0.85rem;
  }
}

@media (min-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
  .exp-timeline { padding-left: 40px; }
  .exp-timeline::before { left: 12px; }
  .exp-dot { left: -40px; }
  .contact-method-selector { flex-wrap: nowrap; }
}

/* ---- Hero spark particles ---- */
@keyframes sparkFloat {
  0%   { opacity: 0.15; transform: translateY(0) scale(1); }
  100% { opacity: 0.55; transform: translateY(-18px) scale(1.4); }
}

/* ---- Section transitions: extra breathing room on experience ---- */
#experience .section-header { margin-bottom: 48px; }

/* ---- Smooth entrance on page load ---- */
body {
  animation: pageEntry 0.5s ease both;
}
@keyframes pageEntry {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Nav link active highlight for new sections ---- */
.nav-links a.active {
  color: var(--text) !important;
  background: var(--surface) !important;
}