/* ============================================================
   PRAVEEN KUMAR K — PORTFOLIO ANIMATIONS
   Additive layer — does not override existing style.css
   ============================================================ */

/* ── Particle / Smoke Canvas ─────────────────────────────── */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

#page-content {
  position: relative;
  z-index: 1;
}

/* ── Scroll Reveal Initial States ────────────────────────── */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ── Stagger Delays ──────────────────────────────────────── */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.12s; }
.stagger-3 { transition-delay: 0.19s; }
.stagger-4 { transition-delay: 0.26s; }
.stagger-5 { transition-delay: 0.33s; }
.stagger-6 { transition-delay: 0.40s; }
.stagger-7 { transition-delay: 0.47s; }
.stagger-8 { transition-delay: 0.54s; }

/* ── Gradient Animated Headings ──────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, #4770FF 0%, #a855f7 50%, #ec4899 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Glow Pulse on Cards ─────────────────────────────────── */
.card {
  transition: box-shadow 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1) !important;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(71, 112, 255, 0.15), 0 4px 20px rgba(0,0,0,0.08) !important;
}

/* ── Expertise / Skill Item Hover ────────────────────────── */
.expertise-item {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease !important;
  border-radius: 12px;
}
.expertise-item:hover {
  transform: translateY(-6px) scale(1.04);
  box-shadow: 0 12px 32px rgba(71, 112, 255, 0.18);
}

.services-item {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1) !important;
  border-radius: 12px;
}
.services-item:hover {
  transform: translateY(-5px) scale(1.05);
}

/* ── svgl Icon Sizing in Expertise Grid ──────────────────── */
.expertise-item .image img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(71, 112, 255, 0.25));
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s ease;
}
.expertise-item:hover .image img {
  transform: rotate(-6deg) scale(1.15);
  filter: drop-shadow(0 4px 12px rgba(71, 112, 255, 0.5));
}

/* ── Stats Counter Section ───────────────────────────────── */
.stats-section {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 20px 0 8px;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #4770FF, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.72rem;
  opacity: 0.65;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ── Available Badge Pulse ───────────────────────────────── */
.available-btn span i.fas.fa-circle {
  animation: availPulse 2s ease-in-out infinite;
  color: #22c55e !important;
}
@keyframes availPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ── Page Load Fade In ───────────────────────────────────── */
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
main {
  animation: pageFadeIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── Work Experience Slider Icons ────────────────────────── */
.work-experiance-main .icon img {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.work-experiance-main li:hover .icon img {
  transform: scale(1.12) rotate(-4deg);
}

/* ── Booking Section ─────────────────────────────────────── */
.booking-section {
  margin-top: 28px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(71, 112, 255, 0.15);
  background: rgba(71, 112, 255, 0.03);
}
.booking-header {
  padding: 20px 24px 12px;
  border-bottom: 1px solid rgba(71, 112, 255, 0.08);
}
.booking-header h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 4px;
}
.booking-header p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.65;
}
.booking-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 24px 20px;
}
.slot-btn {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1.5px solid rgba(71,112,255,0.3);
  background: transparent;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  color: inherit;
}
.slot-btn:hover, .slot-btn.selected {
  background: #4770FF;
  color: #fff;
  border-color: #4770FF;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(71,112,255,0.35);
}
.slot-confirm-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, #4770FF, #a855f7);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  margin: 0 24px 20px;
}
.slot-confirm-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(71,112,255,0.4);
}

/* ── Form Success Animation ──────────────────────────────── */
.form-success-overlay {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 20px;
  text-align: center;
  animation: pageFadeIn 0.5s ease both;
}
.form-success-overlay.show {
  display: flex;
}
.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: successPop 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes successPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.success-icon svg {
  width: 32px;
  height: 32px;
  stroke: white;
  stroke-width: 3;
  fill: none;
}

/* ── Cursor Glow ─────────────────────────────────────────── */
#cursor-glow {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 112, 255, 0.08) 0%, transparent 70%);
  position: fixed;
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: transform 0.08s linear;
}

/* ── Floating Animation for 3D shapes ───────────────────── */
.threed-shape-1, .threed-shape-2 {
  animation: floatShape 6s ease-in-out infinite;
}
.threed-shape-2 {
  animation-delay: -3s;
}
@keyframes floatShape {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50%       { transform: translateY(-18px) rotate(5deg); }
}

/* ── Scrolling Banner Text ───────────────────────────────── */
.scrolling-info .slider-item {
  animation: scrollText 18s linear infinite;
}
@keyframes scrollText {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── AI Skills Badge ─────────────────────────────────────── */
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(71,112,255,0.12), rgba(168,85,247,0.12));
  border: 1px solid rgba(71,112,255,0.2);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #4770FF;
  vertical-align: middle;
  margin-left: 6px;
}

/* ── Back to Top Button ──────────────────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #4770FF;
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 1000;
  box-shadow: 0 10px 25px rgba(71, 112, 255, 0.4);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#back-to-top:hover {
  background: #365bd9;
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 15px 30px rgba(71, 112, 255, 0.6);
}

#back-to-top.show {
  display: flex;
}

/* ── Portfolio Filter Buttons ────────────────────────────── */
.portfolio-filter-nav .filter-btn {
  background: rgba(71, 112, 255, 0.05);
  border: 1px solid rgba(71, 112, 255, 0.1);
  color: #4770FF;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.portfolio-filter-nav .filter-btn:hover,
.portfolio-filter-nav .filter-btn.active {
  background: #4770FF;
  color: #fff;
  box-shadow: 0 5px 15px rgba(71, 112, 255, 0.3);
}

.portfolio-item-wrapper {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ════════════════════════════════════════════════════════════
   DARK MODE — Full Polish for All New Elements
   ════════════════════════════════════════════════════════════ */

/* ── AI Badge ────────────────────────────────────────────── */
.dark-theme .ai-badge {
  background: linear-gradient(135deg, rgba(71,112,255,0.2), rgba(168,85,247,0.2));
  border-color: rgba(71,112,255,0.35);
  color: #7b9fff;
}

/* ── Hiring Strengths Section ────────────────────────────── */
.hiring-strengths h4 {
  color: #4770FF;
  font-size: 1rem;
  font-weight: 700;
}

.hiring-list li {
  color: var(--paragraph, #616670);
  font-size: 0.88rem;
  line-height: 2;
  padding: 3px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.hiring-list li b {
  color: var(--black, #1A1F2C);
}

/* Dark Mode Overrides */
.dark-theme .hiring-strengths h4 {
  color: #7b9fff !important;
}

.dark-theme .hiring-list li {
  color: rgba(240,242,245,0.75);
  border-bottom-color: rgba(255,255,255,0.05);
}

.dark-theme .hiring-list li b {
  color: #f0f2f5;
}

.dark-theme .hiring-strengths {
  background: rgba(71,112,255,0.04);
  border: 1px solid rgba(71,112,255,0.1);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px !important;
}

.hiring-strengths {
  background: rgba(71,112,255,0.02);
  border: 1px solid rgba(71,112,255,0.08);
  border-radius: 12px;
  padding: 16px;
}

/* ── Portfolio Filter Nav ────────────────────────────────── */
.portfolio-filter-nav {
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  margin-bottom: 20px !important;
}

.dark-theme .portfolio-filter-nav {
  border-bottom-color: rgba(255,255,255,0.07);
}

.dark-theme .portfolio-filter-nav .filter-btn {
  background: rgba(71,112,255,0.08);
  border-color: rgba(71,112,255,0.2);
  color: #7b9fff;
}

.dark-theme .portfolio-filter-nav .filter-btn:hover,
.dark-theme .portfolio-filter-nav .filter-btn.active {
  background: #4770FF;
  color: #fff;
  border-color: #4770FF;
  box-shadow: 0 5px 20px rgba(71,112,255,0.4);
}

/* ── Back to Top Button ──────────────────────────────────── */
.dark-theme #back-to-top {
  background: linear-gradient(135deg, #4770FF, #7c3aed);
  box-shadow: 0 10px 30px rgba(71,112,255,0.5);
}

.dark-theme #back-to-top:hover {
  background: linear-gradient(135deg, #365bd9, #6d28d9);
  box-shadow: 0 15px 40px rgba(71,112,255,0.7);
}

/* ── Services Skill Tiles — Dark Mode ────────────────────── */
.dark-theme .services-item {
  background: rgba(14,16,24,0.6);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s ease;
}

.dark-theme .services-item:hover {
  border-color: rgba(71,112,255,0.3);
  background: rgba(71,112,255,0.08);
  transform: translateY(-3px);
}

.dark-theme .services-item .image {
  background: rgba(255,255,255,0.04);
}

.dark-theme .services-item .text .title {
  color: #d0d7e8;
}

/* Light Mode hover for tiles */
.services-item {
  transition: all 0.3s ease;
}

.services-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(71,112,255,0.12);
}

/* ── Section Title — Dark Mode ───────────────────────────── */
.dark-theme .main-common-title {
  color: var(--dark-theme-white);
}

/* ── Profile Bio Text Readability ────────────────────────── */
.dark-theme .profile-card .text p {
  color: rgba(240,242,245,0.75);
}

.dark-theme .profile-card .text p strong {
  color: #f0f2f5;
}

/* ── About Page Headline ─────────────────────────────────── */
.dark-theme .main-title span {
  color: #7b9fff;
}

/* ── Accordion Dark Mode ─────────────────────────────────── */
.dark-theme .accordion-button:not(.collapsed) {
  color: #7b9fff;
  background-color: rgba(71,112,255,0.08);
}

/* ── Available Badge ─────────────────────────────────────── */
.dark-theme .available-btn span {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: #34d399;
}

/* ── Feedback Cards — Dark Mode ──────────────────────────── */
.dark-theme .feedback-item {
  background: rgba(14,16,24,0.6);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
}

.dark-theme .feedback-item .details p {
  color: rgba(240,242,245,0.75);
}

.dark-theme .feedback-item .designation p {
  color: rgba(240,242,245,0.6);
}

.dark-theme .feedback-item .designation p span {
  color: #7b9fff;
}

/* ── Counter Numbers — Dark Mode ─────────────────────────── */
.dark-theme .counter-item .number {
  color: #7b9fff;
}

.dark-theme .counter-item .subtitle {
  color: rgba(240,242,245,0.6);
}

/* ════════════════════════════════════════════════════════════
   LIGHT MODE — Extra Polish
   ════════════════════════════════════════════════════════════ */

/* Smooth card hover in light mode */
.card {
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 32px rgba(71,112,255,0.08) !important;
}

/* Better button spacing for Download CV / Book A Call side by side */
.common-button-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.common-button-groups .btn {
  margin-right: 0 !important;
  flex: 1 1 auto;
  min-width: 140px;
  text-align: center;
  justify-content: center;
  display: inline-flex;
  align-items: center;
}

/* Improved paragraph spacing in profile sidebar */
.profile-card .text > p + p {
  margin-top: 10px;
}

/* ── Print / Screen readability for hiring-list ──────────── */
@media (max-width: 767px) {
  .hiring-list li {
    font-size: 0.82rem;
    line-height: 1.7;
  }
  .hiring-strengths h4 {
    font-size: 0.9rem;
  }
  .portfolio-filter-nav .filter-btn {
    padding: 6px 12px;
    font-size: 0.78rem;
  }
  .common-button-groups .btn {
    padding: 12px 14px;
    font-size: 14px;
  }
}