/* ═══════════════════════════════════════════════════════════════
   TECHNOID — Motion & Micro-Interaction Design System
   motion.css  |  Does NOT override layout or colour, only motion
   ═══════════════════════════════════════════════════════════════ */

/* ── 0. Respect reduced-motion preference ────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* ── 1. Global easing tokens ─────────────────────────────────── */
:root {
  --ease-out-expo  : cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-back  : cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out    : cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring    : cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --dur-fast       : 160ms;
  --dur-base       : 280ms;
  --dur-slow       : 500ms;
}

/* ── 2. Page entrance handled by loader — no body fade needed ─── */
/* body fade removed: it made the #tf-nav-loader invisible (opacity inherited) */


/* ── 3. Scroll-reveal — elements animate in when visible ─────── */
/*  JS in motion.js adds .tf-reveal to elements, then .is-visible  */
.tf-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
.tf-reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Staggered children delay */
.tf-reveal-stagger > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
.tf-reveal-stagger.is-visible > *:nth-child(1)  { opacity:1; transform:none; transition-delay:  0ms; }
.tf-reveal-stagger.is-visible > *:nth-child(2)  { opacity:1; transform:none; transition-delay: 80ms; }
.tf-reveal-stagger.is-visible > *:nth-child(3)  { opacity:1; transform:none; transition-delay:160ms; }
.tf-reveal-stagger.is-visible > *:nth-child(4)  { opacity:1; transform:none; transition-delay:240ms; }
.tf-reveal-stagger.is-visible > *:nth-child(5)  { opacity:1; transform:none; transition-delay:320ms; }
.tf-reveal-stagger.is-visible > *:nth-child(6)  { opacity:1; transform:none; transition-delay:400ms; }
.tf-reveal-stagger.is-visible > *:nth-child(n+7){ opacity:1; transform:none; transition-delay:480ms; }

/* ── 4. Navigation ───────────────────────────────────────────── */
/* Smooth underline slide on nav links */
.nav-inline a,
.nav nav a {
  position: relative;
}
.nav-inline a::after,
.nav nav a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  width: 0; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: width var(--dur-fast) var(--ease-out-expo),
              left   var(--dur-fast) var(--ease-out-expo);
}
.nav-inline a:hover::after,
.nav nav a:hover::after {
  width: 60%;
  left: 20%;
}
.nav-inline a.active::after,
.nav nav a.active::after {
  width: 60%;
  left: 20%;
}

/* Logo subtle float */
@keyframes tfLogoFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-3px); }
}
.nav-logo:hover .brand-img {
  animation: tfLogoFloat 1.8s var(--ease-in-out) infinite;
}
.nav-logo {
  transition: opacity var(--dur-fast);
}
.nav-logo:active { opacity: 0.7; }

/* Hamburger bar morph (existing span anim, just smoothed) */
.nav-hamburger span {
  transition: transform 260ms var(--ease-out-back),
              opacity   180ms ease,
              background 160ms ease !important;
}

/* Theme toggle icon spin on click — class added by JS */
.theme-toggle.tf-spin i {
  animation: tfSpin 360ms var(--ease-out-expo);
}
@keyframes tfSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── 5. Buttons — press feedback + glow ─────────────────────── */
.btn {
  transition: transform  var(--dur-fast) var(--ease-out-back),
              box-shadow var(--dur-fast) ease,
              filter     var(--dur-fast) ease,
              background var(--dur-base) ease !important;
  will-change: transform;
}
.btn:hover {
  transform: translateY(-2px) scale(1.02) !important;
  box-shadow: 0 6px 20px rgba(0, 136, 204, .28) !important;
}
.btn:active {
  transform: translateY(1px) scale(0.97) !important;
  box-shadow: 0 2px 6px rgba(0, 136, 204, .18) !important;
  transition-duration: 80ms !important;
}

/* Ripple on click — injected by JS */
.btn {
  overflow: hidden;
}
.tf-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.35);
  animation: tfRippleAnim 550ms linear;
  pointer-events: none;
}
@keyframes tfRippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* btn-light specific hover */
.btn-light:hover {
  transform: translateY(-2px) scale(1.02) !important;
  box-shadow: 0 4px 14px rgba(0,0,0,.08) !important;
}

/* ── 6. Cards — lift + border-glow ──────────────────────────── */
.card,
.testi-card,
.case-study {
  transition: transform  var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo),
              border-color var(--dur-base) ease !important;
  will-change: transform;
}
.card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 16px 40px rgba(0,136,204,.13) !important;
  border-color: rgba(0,136,204,.3) !important;
}
.testi-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 12px 32px rgba(0,0,0,.10) !important;
}

/* Card icon bounce on card hover */
.card:hover .card-icon,
.card:hover .card-icon i {
  animation: tfIconBounce 500ms var(--ease-out-back);
}
@keyframes tfIconBounce {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.22) rotate(-6deg); }
  70%  { transform: scale(0.95) rotate(3deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* ── 7. Footer social icons ──────────────────────────────────── */
.footer-socials a {
  transition: transform  var(--dur-fast) var(--ease-out-back),
              box-shadow var(--dur-fast) ease,
              background var(--dur-fast) ease !important;
}
.footer-socials a:hover {
  transform: translateY(-4px) scale(1.15) !important;
  box-shadow: 0 8px 20px rgba(0,136,204,.25) !important;
}
.footer-socials a:active {
  transform: scale(0.9) !important;
  transition-duration: 80ms !important;
}

/* Footer links slide-right */
.footer-links a,
.footer-explore a,
.footer-contact-item a {
  transition: color       var(--dur-fast) ease,
              transform   var(--dur-fast) var(--ease-out-expo),
              padding-left var(--dur-fast) var(--ease-out-expo) !important;
}
.footer-links a:hover,
.footer-explore a:hover {
  padding-left: 6px !important;
}

/* Footer status dot pulse */
.footer-status-dot {
  animation: tfPulse 2.4s ease infinite;
}
@keyframes tfPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

/* ── 8. Project / post cards in services.html ───────────────── */
/* Media inside post cards */
.card img,
.card video {
  transition: transform var(--dur-slow) var(--ease-out-expo) !important;
}
.card:hover img,
.card:hover video {
  transform: scale(1.04) !important;
}

/* "More" / action buttons on post cards */
.card .btn,
.card button {
  transition: opacity     var(--dur-fast) ease,
              transform   var(--dur-fast) var(--ease-out-back) !important;
}
.card:hover .btn,
.card:hover button {
  opacity: 1;
}

/* Like / comment icon buttons */
[class*="action-btn"],
button[onclick*="like"],
button[onclick*="comment"],
button[onclick*="share"] {
  transition: transform  var(--dur-fast) var(--ease-out-back),
              color      var(--dur-fast) ease !important;
}
[class*="action-btn"]:hover,
button[onclick*="like"]:hover,
button[onclick*="comment"]:hover,
button[onclick*="share"]:hover {
  transform: scale(1.18) !important;
}
[class*="action-btn"]:active,
button[onclick*="like"]:active {
  transform: scale(0.88) !important;
  transition-duration: 60ms !important;
}

/* ── 9. Modals — scale + fade ────────────────────────────────── */
@keyframes tfModalIn {
  from { opacity: 0; transform: scale(0.92) translateY(14px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes tfOverlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-overlay.open,
.modal-overlay[style*="flex"],
.modal-overlay[style*="block"] {
  animation: tfOverlayIn var(--dur-base) ease both;
}
.modal-box,
#post-reader .reader-inner,
#reader-lightbox > div,
#cv-modal .cv-modal-content,
#settings-panel {
  animation: tfModalIn var(--dur-base) var(--ease-out-back) both;
}

/* ── 10. Toast notification ──────────────────────────────────── */
@keyframes tfToastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes tfToastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(10px) scale(0.95); }
}
.toast.show {
  animation: tfToastIn var(--dur-base) var(--ease-out-back) both;
}
.toast:not(.show) {
  animation: tfToastOut var(--dur-fast) ease forwards;
}

/* ── 11. Loading spinner ─────────────────────────────────────── */
@keyframes tfSpinSm {
  to { transform: rotate(360deg); }
}
.spinner {
  animation: tfSpinSm 800ms linear infinite !important;
}

/* ── 12. Tab / pill bar ──────────────────────────────────────── */
/* Tab slide-in indicator */
.tab-btn,
[class*="tab-"],
[id*="-tab"] {
  transition: color       var(--dur-fast) ease,
              background  var(--dur-fast) ease,
              border-color var(--dur-fast) ease,
              transform   var(--dur-fast) var(--ease-out-back) !important;
}
.tab-btn:hover,
[class*="tab-"]:hover {
  transform: translateY(-1px) !important;
}
.tab-btn:active {
  transform: scale(0.96) !important;
}

/* Pill / sub-category bar */
.pill-btn,
[class*="pill-"],
[class*="sub-cat"] {
  transition: all var(--dur-fast) var(--ease-out-back) !important;
}
.pill-btn:hover {
  transform: scale(1.06) !important;
}

/* ── 13. Input focus glow ────────────────────────────────────── */
input, textarea, select {
  transition: border-color var(--dur-fast) ease,
              box-shadow   var(--dur-fast) ease !important;
}
input:focus,
textarea:focus,
select:focus {
  box-shadow: 0 0 0 3px rgba(0,136,204,.18) !important;
  border-color: var(--brand) !important;
  outline: none !important;
}

/* ── 14. Skill tags — pop on hover ───────────────────────────── */
.skill-tag {
  transition: transform   var(--dur-fast) var(--ease-out-back),
              box-shadow  var(--dur-fast) ease,
              background  var(--dur-fast) ease !important;
  cursor: default;
}
.skill-tag:hover {
  transform: translateY(-2px) scale(1.06) !important;
  box-shadow: 0 4px 12px rgba(0,136,204,.18) !important;
}

/* ── 15. Hero section entrance ───────────────────────────────── */
@keyframes tfHeroText {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes tfHeroImg {
  from { opacity: 0; transform: translateX(18px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}
.hero-text {
  animation: tfHeroText 700ms var(--ease-out-expo) 120ms both;
}
.hero-img {
  animation: tfHeroImg 700ms var(--ease-out-expo) 200ms both;
}

/* ── 16. Section headings — letter-spacing settle ────────────── */
.section-header h2,
.hero h1 {
  transition: letter-spacing var(--dur-slow) ease;
}

/* ── 17. Stats — count-up shimmer placeholder ────────────────── */
.stat-num {
  transition: color var(--dur-base) ease;
}
.stat-num.tf-counting {
  color: var(--accent);
}

/* ── 18. Footer brand hover flare ────────────────────────────── */
.footer-brand {
  transition: letter-spacing var(--dur-base) ease;
}
.footer-brand:hover {
  letter-spacing: .04em;
}

/* ── 19. Nav-logo brand-text shimmer ─────────────────────────── */
@keyframes tfBrandShimmer {
  0%, 100% { text-shadow: 0 2px 10px rgba(0,136,204,.2); }
  50%       { text-shadow: 0 2px 22px rgba(0,136,204,.5); }
}
.brand-text {
  animation: tfBrandShimmer 3.5s ease infinite;
}

/* ── 20. Post-reader transitions ─────────────────────────────── */
#post-reader {
  transition: opacity var(--dur-base) ease !important;
}
#post-reader.open {
  animation: tfOverlayIn var(--dur-base) ease both;
}
#pr-img-wrap {
  transition: height 350ms var(--ease-out-expo) !important;
}
#pr-img {
  transition: transform var(--dur-slow) var(--ease-out-expo) !important;
}
#pr-controls-bar {
  transition: opacity var(--dur-base) ease,
              transform var(--dur-base) var(--ease-out-back) !important;
}

/* ── 21. Image lightbox zoom ─────────────────────────────────── */
#reader-lightbox {
  animation: tfOverlayIn var(--dur-fast) ease both;
}
#reader-lightbox img {
  animation: tfModalIn var(--dur-base) var(--ease-out-back) both;
}

/* ── 22. Social links in page body ───────────────────────────── */
.social-links a {
  transition: transform  var(--dur-fast) var(--ease-out-back),
              box-shadow var(--dur-fast) ease,
              color      var(--dur-fast) ease !important;
}
.social-links a:hover {
  transform: translateY(-3px) scale(1.12) !important;
}
.social-links a:active {
  transform: scale(0.9) !important;
  transition-duration: 60ms !important;
}

/* ── 23. Progress / upload bar ───────────────────────────────── */
[class*="prog-bar"],
#prog-bar,
.progress-bar {
  transition: width 400ms var(--ease-out-expo) !important;
}

/* ── 24. Page-leave fade (applied by JS on anchor click) ──────── */
body.tf-leaving {
  animation: tfPageOut var(--dur-base) var(--ease-in-out) forwards;
}
@keyframes tfPageOut {
  to { opacity: 0; transform: translateY(-8px); }
}

/* ── 25. Keyboard focus ring (Tab navigation) ────────────────── */
body:not(.tf-using-keyboard) *:focus {
  outline: none !important;
}
body.tf-using-keyboard *:focus {
  outline: 3px solid rgba(0, 136, 204, 0.6) !important;
  outline-offset: 3px !important;
  border-radius: 4px !important;
}

/* ── 26. Skeleton shimmer for loading cards ──────────────────── */
@keyframes tfSkeleton {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}
.tf-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 800px 100%;
  animation: tfSkeleton 1.4s ease infinite;
  border-radius: 8px;
}
[data-theme="dark"] .tf-skeleton {
  background: linear-gradient(90deg, #1e1e2a 25%, #252535 50%, #1e1e2a 75%);
  background-size: 800px 100%;
}

/* ── 27. Hover shimmer on primary buttons ────────────────────── */
.btn:not(.btn-light):not(.btn-outline) {
  background-image: linear-gradient(
    120deg, transparent 0%, transparent 40%,
    rgba(255,255,255,.18) 50%, transparent 60%, transparent 100%
  );
  background-size: 250% 100%;
  background-position: 200% center;
  transition: background-position 600ms var(--ease-out-expo),
              transform var(--dur-fast) var(--ease-out-back),
              box-shadow var(--dur-fast) ease !important;
}
.btn:not(.btn-light):not(.btn-outline):hover {
  background-position: -50% center;
}

/* ── 28. Scroll-to-top smooth reveal ─────────────────────────── */
.wa-float {
  transition: transform  var(--dur-fast) var(--ease-out-back),
              box-shadow var(--dur-fast) ease,
              opacity    var(--dur-base) ease !important;
}
.wa-float:hover {
  transform: translateY(-4px) scale(1.08) !important;
  box-shadow: 0 12px 32px rgba(37,211,102,.35) !important;
}
.wa-float:active {
  transform: scale(0.94) !important;
  transition-duration: 80ms !important;
}