/* Design FX — Ion landing polish */

/* Noise grain */
.page-bg__noise {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: multiply;
}

html[data-theme="dark"] .page-bg__noise {
  opacity: 0.07;
  mix-blend-mode: soft-light;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 100;
  background: linear-gradient(90deg, var(--blue-bright), var(--cyan));
  pointer-events: none;
  transform-origin: left center;
  will-change: width;
}

/* Cursor glow */
.cursor-glow {
  position: fixed;
  width: 340px;
  height: 340px;
  margin: -170px 0 0 -170px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  background: radial-gradient(circle, rgba(94, 200, 255, 0.22), transparent 68%);
  transform: translate3d(-100vw, -100vh, 0);
  transition: opacity 0.35s ease;
  will-change: transform;
}

body.is-pointer .cursor-glow.is-on {
  opacity: 1;
}

html[data-theme="dark"] .cursor-glow {
  background: radial-gradient(circle, rgba(59, 158, 255, 0.18), transparent 68%);
}

/* Hero stagger words */
.hero__title .word,
.hero__text .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.hero__title.is-staggered .word,
.hero__text.is-staggered .word {
  opacity: 1;
  transform: translateY(0);
}

/* Magnetic buttons */
.btn--magnetic {
  will-change: transform;
}

/* Work 3D tilt */
.work__media {
  transform-style: preserve-3d;
  transition: transform 0.35s var(--ease);
  will-change: transform;
}

.work__media.is-tilting {
  transition: none;
}

.work__media .work__preview,
.work__media .work__overlay {
  transform: translateZ(18px);
}

/* Skeleton */
.skeleton {
  position: relative;
  overflow: hidden;
}

.skeleton::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  background: linear-gradient(110deg, var(--bg-soft) 25%, rgba(255, 255, 255, 0.65) 45%, var(--bg-soft) 65%);
  background-size: 200% 100%;
  animation: skeleton-shine 1.2s ease-in-out infinite;
  transition: opacity 0.4s ease;
}

.skeleton.is-loaded::before {
  opacity: 0;
  pointer-events: none;
  animation: none;
}

.founder__photo-wrap.skeleton {
  border-radius: 28px;
}

.founder__photo {
  opacity: 0;
  transition: opacity 0.45s ease;
}

.founder__photo-wrap.is-loaded .founder__photo {
  opacity: 1;
}

@keyframes skeleton-shine {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Before / after slider */
.ba {
  --ba-pos: 50%;
  position: relative;
  height: 280px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  isolation: isolate;
}

.ba__layer {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  padding: 1.1rem;
  box-sizing: border-box;
}

.ba__layer--after {
  z-index: 0;
  justify-items: end;
  background: #e8f8ef;
}

html[data-theme="dark"] .ba__layer--after {
  background: #143024;
}

.ba__layer--before {
  z-index: 1;
  justify-items: start;
  background: #f7efe8;
  clip-path: inset(0 calc(100% - var(--ba-pos)) 0 0);
}

html[data-theme="dark"] .ba__layer--before {
  background: #2a2118;
}

.ba__side {
  width: min(100%, 190px);
  display: grid;
  gap: 0.65rem;
}

.ba__side--after {
  text-align: right;
  justify-items: end;
}

.ba__side--before {
  text-align: left;
  justify-items: start;
}

.ba__label {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ba__label--before {
  color: #b45309;
  background: rgba(251, 191, 36, 0.22);
}

.ba__label--after {
  color: #15803d;
  background: rgba(34, 197, 94, 0.18);
}

.ba__side p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.4;
}

.ba__mock {
  width: 100%;
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  gap: 0.4rem;
  text-align: left;
}

.ba__pill {
  display: inline-flex;
  width: fit-content;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #0e4db5;
  background: rgba(59, 158, 255, 0.18);
}

.ba__pill--warn {
  color: #9a3412;
  background: rgba(251, 146, 60, 0.22);
}

.ba__line {
  display: block;
  height: 7px;
  border-radius: 999px;
  background: rgba(26, 111, 232, 0.16);
}

.ba__line--short { width: 55%; }
.ba__line--mid { width: 72%; }

.ba__ok,
.ba__miss {
  font-size: 0.72rem;
  font-weight: 700;
}

.ba__ok { color: #15803d; }
.ba__miss { color: #b45309; }

.ba__range {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
}

.ba__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--ba-pos);
  z-index: 3;
  width: 2px;
  background: var(--blue-bright);
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.ba__handle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: linear-gradient(135deg, var(--blue-bright), var(--cyan));
  box-shadow: 0 10px 24px rgba(14, 77, 181, 0.28);
  transform: translate(-50%, -50%);
}

.ba__handle span::before,
.ba__handle span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translateY(-50%) rotate(45deg);
}

.ba__handle span::before {
  left: 11px;
  transform: translateY(-50%) rotate(-135deg);
}

.ba__handle span::after {
  right: 11px;
}

/* Bot typing */
.mock-bot__msg {
  min-height: 1.1em;
}

.mock-bot__msg.is-typing::after {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 1em;
  margin-left: 1px;
  vertical-align: -0.1em;
  background: currentColor;
  animation: caret-blink 0.8s step-end infinite;
  opacity: 0.55;
}

.mock-bot__msg.is-empty {
  opacity: 0;
  min-height: 0;
  padding-block: 0;
  margin: 0;
  border: 0;
}

@keyframes caret-blink {
  50% { opacity: 0; }
}

/* Stack marquee */
.stack__marquee {
  margin: 0 0 1.5rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.stack__marquee-track {
  display: flex;
  width: max-content;
  gap: 0.75rem;
  animation: marquee-x 38s linear infinite;
}

.stack__chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
}

html[data-theme="dark"] .stack__chip {
  background: rgba(255, 255, 255, 0.05);
}

.stack__chip i {
  color: var(--blue);
}

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

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

/* Blog hover preview */
.blog__card {
  position: relative;
  overflow: hidden;
}

.blog__preview {
  display: block;
  max-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.45;
  border-top: 0 solid var(--line);
  transition: max-height 0.4s var(--ease), opacity 0.35s ease, margin 0.35s ease, padding 0.35s ease, border-width 0.35s ease;
}

.blog__card:hover .blog__preview,
.blog__card:focus-visible .blog__preview {
  max-height: 5.5rem;
  opacity: 1;
  margin: 0.35rem 0 0.75rem;
  padding-top: 0.65rem;
  border-top-width: 1px;
}

/* Sticky mini CTA */
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.55rem 0.55rem 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 40px rgba(14, 77, 181, 0.16);
  backdrop-filter: blur(12px);
  transform: translate(-50%, 120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s var(--ease), opacity 0.35s ease;
  max-width: calc(100vw - 1.5rem);
}

html[data-theme="dark"] .sticky-cta {
  background: rgba(19, 32, 51, 0.94);
}

.sticky-cta.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

body.has-sticky-cta .float-msg {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

body.has-sticky-cta .float-msg,
.float-msg {
  transition: opacity 0.3s ease, transform 0.3s var(--ease);
}

.sticky-cta__text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.sticky-cta__text span {
  color: var(--muted);
  font-weight: 500;
}

.sticky-cta .btn {
  padding: 0.55rem 0.95rem;
  font-size: 0.88rem;
  border-radius: 999px;
}

/* Form success + confetti */
.form.is-success {
  position: relative;
}

.form__success-check {
  display: none;
  width: 42px;
  height: 42px;
  margin: 0.75rem auto 0;
  border-radius: 50%;
  place-items: center;
  background: linear-gradient(135deg, #34d399, #10b981);
  color: #fff;
  font-size: 1.15rem;
  animation: pop-in 0.45s var(--ease);
}

.form.is-success .form__success-check {
  display: grid;
}

@keyframes pop-in {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.confetti-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  overflow: hidden;
}

.confetti-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  opacity: 0.95;
  animation: confetti-fall 1.1s var(--ease) forwards;
}

@keyframes confetti-fall {
  0% { transform: translate3d(0, 0, 0) scale(1); opacity: 1; }
  100% { transform: translate3d(var(--dx), var(--dy), 0) scale(0.4); opacity: 0; }
}

@media (max-width: 640px) {
  .sticky-cta__text span {
    display: none;
  }

  .ba {
    height: 300px;
  }

  .ba__side {
    width: min(100%, 170px);
  }

  .cursor-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress,
  .cursor-glow,
  .stack__marquee-track,
  .skeleton::before,
  .confetti-dot,
  .mock-bot__msg.is-typing::after {
    animation: none !important;
  }

  .hero__title .word,
  .hero__text .word {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .blog__preview {
    max-height: none;
    opacity: 1;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--line);
  }

  .sticky-cta {
    transition: none;
  }
}