/*
=========================================================
NEYO — LEVERAGE INTRO
CHATGPT-STYLE PREMIUM INTRO
VERSION 3

Owns:
- Leverage intro overlay
- Premium modal layout
- Gradient presentation
- Segmented NEYO / Leverage control
- Slide content typography
- Navigation dots
- Footer actions
- Responsive behavior
- Dark mode
- Viewport-centered positioning

Does NOT own:
- Checkout
- Pricing modal
- Subscription logic
=========================================================
*/

/* =====================================================
   ROOT OPEN STATE
   ===================================================== */

html.leverage-intro-open,
body.leverage-intro-open {
  overflow: hidden;
}

/* =====================================================
   OVERLAY
   ===================================================== */

.leverage-intro-overlay {
  position: fixed;

  inset: 0;

  z-index: 12000;

  display: flex;

  align-items: center;
  justify-content: center;

  padding: 28px;

  background: rgba(247, 247, 248, 0.96);

  opacity: 0;

  visibility: hidden;

  pointer-events: none;

  overflow-y: auto;

  transition:
    opacity 180ms ease,
    visibility 180ms ease;
}

.leverage-intro-overlay.open {
  opacity: 1;

  visibility: visible;

  pointer-events: auto;
}

/* =====================================================
   MODAL
   ===================================================== */

.leverage-intro-modal {
  position: relative;

  width: min(650px, calc(100vw - 48px));

  min-height: 550px;

  display: flex;

  flex-direction: column;

  overflow: hidden;

  border: 1px solid rgba(0, 0, 0, 0.12);

  border-radius: 24px;

  background: #ffffff;

  box-shadow:
    0 18px 55px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.04);

  transform: translateY(-16px) scale(0.985);

  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.leverage-intro-overlay.open .leverage-intro-modal {
  transform: translateY(-16px) scale(1);
}

/* =====================================================
   GRADIENT AREA
   ===================================================== */

.leverage-intro-gradient {
  position: absolute;

  top: 0;

  left: 0;

  right: 0;

  height: 310px;

  pointer-events: none;

  background:
    radial-gradient(circle at 22% 18%, rgba(149, 176, 255, 0.92), transparent 42%),
    radial-gradient(circle at 78% 10%, rgba(119, 116, 235, 0.82), transparent 44%),
    radial-gradient(circle at 42% 54%, rgba(203, 181, 244, 0.7), transparent 48%),
    linear-gradient(180deg, #dbe4ff 0%, #ebe8ff 47%, rgba(255, 255, 255, 0.96) 88%, #ffffff 100%);
}

/* =====================================================
   CLOSE BUTTON
   ===================================================== */

.leverage-intro-close {
  position: absolute;

  top: 26px;

  right: 26px;

  z-index: 10;

  width: 38px;

  height: 38px;

  display: inline-flex;

  align-items: center;

  justify-content: center;

  padding: 0;

  border: 0;

  border-radius: 999px;

  background: transparent;

  color: rgba(20, 20, 20, 0.7);

  cursor: pointer;

  transition:
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.leverage-intro-close:hover {
  background: rgba(255, 255, 255, 0.52);

  color: #111111;
}

.leverage-intro-close:active {
  transform: scale(0.94);
}

.leverage-intro-close:focus-visible {
  outline: 2px solid rgba(34, 102, 255, 0.68);

  outline-offset: 2px;
}

/* =====================================================
   TOP
   ===================================================== */

.leverage-intro-top {
  position: relative;

  z-index: 2;

  display: flex;

  justify-content: center;

  padding: 94px 24px 24px;
}

/* =====================================================
   SEGMENTED CONTROL
   ===================================================== */

.leverage-intro-segmented {
  display: inline-flex;

  align-items: center;

  padding: 3px;

  border-radius: 999px;

  background: rgba(255, 255, 255, 0.52);

  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
}

.leverage-intro-segment {
  min-width: 122px;

  height: 54px;

  padding: 0 24px;

  border: 0;

  border-radius: 999px;

  background: transparent;

  color: rgba(47, 47, 55, 0.52);

  font: inherit;

  font-size: 17px;

  font-weight: 600;

  cursor: pointer;

  transition:
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 140ms ease;
}

.leverage-intro-segment:hover {
  color: rgba(20, 20, 24, 0.8);
}

.leverage-intro-segment.active {
  background: #ffffff;

  color: #111111;

  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.04);
}

.leverage-intro-segment:active {
  transform: scale(0.98);
}

.leverage-intro-segment:focus-visible {
  outline: 2px solid rgba(34, 102, 255, 0.62);

  outline-offset: 2px;
}

/* =====================================================
   STAGE
   ===================================================== */

.leverage-intro-stage {
  position: relative;

  z-index: 2;

  flex: 1;

  display: flex;

  align-items: center;

  justify-content: center;

  padding: 30px 64px 12px;

  transition:
    opacity 120ms ease,
    transform 120ms ease;
}

.leverage-intro-stage.is-changing {
  opacity: 0;

  transform: translateY(4px);
}

/* =====================================================
   CONTENT
   ===================================================== */

.leverage-intro-content {
  width: 100%;

  max-width: 515px;

  text-align: center;
}

/* =====================================================
   EYEBROW
   ===================================================== */

.leverage-intro-eyebrow {
  margin-bottom: 12px;

  color: rgba(41, 41, 46, 0.52);

  font-size: 11px;

  font-weight: 700;

  line-height: 1.2;

  letter-spacing: 0.13em;

  text-transform: uppercase;
}

/* =====================================================
   TITLE
   ===================================================== */

.leverage-intro-title {
  margin: 0;

  color: #111111;

  font-size: 30px;

  font-weight: 650;

  line-height: 1.18;

  letter-spacing: -0.025em;
}

/* =====================================================
   DESCRIPTION
   ===================================================== */

.leverage-intro-description {
  margin: 16px auto 0;

  max-width: 520px;

  color: rgba(36, 36, 42, 0.64);

  font-size: 17px;

  font-weight: 400;

  line-height: 1.62;
}

/* =====================================================
   LEARN MORE
   ===================================================== */

.leverage-intro-learn-more {
  margin-top: 9px;

  padding: 0;

  border: 0;

  background: transparent;

  color: rgba(36, 36, 42, 0.76);

  font: inherit;

  font-size: 15px;

  font-weight: 500;

  text-decoration: underline;

  text-underline-offset: 3px;

  cursor: pointer;
}

.leverage-intro-learn-more:hover {
  color: #111111;
}

.leverage-intro-learn-more[hidden] {
  display: none !important;
}

/* =====================================================
   DOTS
   ===================================================== */

.leverage-intro-dots {
  position: relative;

  z-index: 3;

  display: flex;

  align-items: center;

  justify-content: center;

  gap: 7px;

  padding: 8px 24px 10px;
}

.leverage-intro-dot {
  width: 7px;

  height: 7px;

  padding: 0;

  border: 0;

  border-radius: 999px;

  background: rgba(30, 30, 35, 0.2);

  cursor: pointer;

  transition:
    width 160ms ease,
    background 160ms ease,
    transform 140ms ease;
}

.leverage-intro-dot:hover {
  background: rgba(30, 30, 35, 0.4);
}

.leverage-intro-dot.active {
  width: 20px;

  background: #1f1f22;
}

.leverage-intro-dot:active {
  transform: scale(0.9);
}

/* =====================================================
   FOOTER
   ===================================================== */

.leverage-intro-footer {
  position: relative;

  z-index: 3;

  min-height: 96px;

  display: flex;

  align-items: center;

  justify-content: center;

  gap: 12px;

  padding: 14px 28px 30px;
}

/* =====================================================
   BACK BUTTON
   ===================================================== */

.leverage-intro-back {
  min-width: 96px;

  height: 50px;

  padding: 0 24px;

  border: 1px solid rgba(0, 0, 0, 0.1);

  border-radius: 999px;

  background: #ffffff;

  color: #333338;

  font: inherit;

  font-size: 15px;

  font-weight: 600;

  cursor: pointer;

  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.leverage-intro-back:hover {
  background: #f5f5f6;

  border-color: rgba(0, 0, 0, 0.16);
}

.leverage-intro-back:active {
  transform: scale(0.98);
}

.leverage-intro-back[hidden] {
  display: none !important;
}

/* =====================================================
   NEXT BUTTON
   ===================================================== */

.leverage-intro-next {
  min-width: 145px;

  height: 50px;

  padding: 0 28px;

  border: 0;

  border-radius: 999px;

  background: #eef3ff;

  color: #346ee8;

  font: inherit;

  font-size: 15px;

  font-weight: 650;

  cursor: pointer;

  box-shadow: inset 0 0 0 1px rgba(52, 110, 232, 0.04);

  transition:
    background 150ms ease,
    color 150ms ease,
    transform 140ms ease,
    box-shadow 150ms ease;
}

.leverage-intro-next:hover {
  background: #e4ecff;

  color: #255ed4;
}

.leverage-intro-next:active {
  transform: scale(0.98);
}

.leverage-intro-next.is-final {
  min-width: 190px;

  background: #111111;

  color: #ffffff;

  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.leverage-intro-next.is-final:hover {
  background: #242424;
}

/* =====================================================
   BUTTON FOCUS
   ===================================================== */

.leverage-intro-back:focus-visible,
.leverage-intro-next:focus-visible,
.leverage-intro-dot:focus-visible,
.leverage-intro-learn-more:focus-visible {
  outline: 2px solid rgba(34, 102, 255, 0.62);

  outline-offset: 3px;
}

/* =====================================================
   DARK MODE
   ===================================================== */

body.dark-mode .leverage-intro-overlay {
  background: rgba(15, 15, 15, 0.98);
}

body.dark-mode .leverage-intro-modal {
  border-color: rgba(255, 255, 255, 0.12);

  background: #161616;

  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.52);
}

body.dark-mode .leverage-intro-gradient {
  background:
    radial-gradient(circle at 20% 18%, rgba(80, 108, 196, 0.82), transparent 42%),
    radial-gradient(circle at 78% 8%, rgba(92, 72, 170, 0.72), transparent 44%),
    radial-gradient(circle at 45% 54%, rgba(118, 89, 153, 0.5), transparent 46%),
    linear-gradient(180deg, #252942 0%, #272436 48%, rgba(22, 22, 22, 0.97) 88%, #161616 100%);
}

body.dark-mode .leverage-intro-close {
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode .leverage-intro-close:hover {
  background: rgba(255, 255, 255, 0.08);

  color: #ffffff;
}

body.dark-mode .leverage-intro-segmented {
  background: rgba(255, 255, 255, 0.08);

  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

body.dark-mode .leverage-intro-segment {
  color: rgba(255, 255, 255, 0.44);
}

body.dark-mode .leverage-intro-segment:hover {
  color: rgba(255, 255, 255, 0.78);
}

body.dark-mode .leverage-intro-segment.active {
  background: rgba(255, 255, 255, 0.94);

  color: #111111;
}

body.dark-mode .leverage-intro-eyebrow {
  color: rgba(255, 255, 255, 0.44);
}

body.dark-mode .leverage-intro-title {
  color: #ffffff;
}

body.dark-mode .leverage-intro-description {
  color: rgba(255, 255, 255, 0.62);
}

body.dark-mode .leverage-intro-learn-more {
  color: rgba(255, 255, 255, 0.72);
}

body.dark-mode .leverage-intro-learn-more:hover {
  color: #ffffff;
}

body.dark-mode .leverage-intro-dot {
  background: rgba(255, 255, 255, 0.22);
}

body.dark-mode .leverage-intro-dot:hover {
  background: rgba(255, 255, 255, 0.42);
}

body.dark-mode .leverage-intro-dot.active {
  background: #ffffff;
}

body.dark-mode .leverage-intro-back {
  border-color: rgba(255, 255, 255, 0.12);

  background: rgba(255, 255, 255, 0.06);

  color: rgba(255, 255, 255, 0.82);
}

body.dark-mode .leverage-intro-back:hover {
  background: rgba(255, 255, 255, 0.1);

  border-color: rgba(255, 255, 255, 0.18);
}

body.dark-mode .leverage-intro-next {
  background: rgba(93, 135, 255, 0.16);

  color: #8eafff;
}

body.dark-mode .leverage-intro-next:hover {
  background: rgba(93, 135, 255, 0.22);

  color: #a8c0ff;
}

body.dark-mode .leverage-intro-next.is-final {
  background: #ffffff;

  color: #111111;
}

body.dark-mode .leverage-intro-next.is-final:hover {
  background: #ededed;
}

/* =====================================================
   TABLET
   ===================================================== */

@media (max-width: 760px) {
  .leverage-intro-overlay {
    align-items: center;

    padding: 20px;
  }

  .leverage-intro-modal {
    width: 100%;

    min-height: 530px;

    border-radius: 22px;

    transform: translateY(-14px) scale(0.985);
  }

  .leverage-intro-overlay.open .leverage-intro-modal {
    transform: translateY(-14px) scale(1);
  }

  .leverage-intro-top {
    padding-top: 84px;
  }

  .leverage-intro-stage {
    padding: 26px 42px 10px;
  }

  .leverage-intro-title {
    font-size: 27px;
  }

  .leverage-intro-description {
    font-size: 16px;
  }
}

/* =====================================================
   MOBILE
   ===================================================== */

@media (max-width: 520px) {
  .leverage-intro-overlay {
    align-items: center;

    justify-content: center;

    padding: 14px 14px max(14px, env(safe-area-inset-bottom));
  }

  .leverage-intro-modal {
    width: 100%;

    min-height: 545px;

    max-height: calc(100dvh - 34px);

    border-radius: 24px;

    transform: translateY(-18px) scale(0.985);
  }

  .leverage-intro-overlay.open .leverage-intro-modal {
    transform: translateY(-18px) scale(1);
  }

  .leverage-intro-gradient {
    height: 280px;
  }

  .leverage-intro-close {
    top: 20px;

    right: 20px;

    width: 36px;

    height: 36px;
  }

  .leverage-intro-top {
    padding: 78px 18px 20px;
  }

  .leverage-intro-segmented {
    width: min(100%, 290px);
  }

  .leverage-intro-segment {
    flex: 1;

    min-width: 0;

    height: 50px;

    padding: 0 16px;

    font-size: 16px;
  }

  .leverage-intro-stage {
    padding: 24px 26px 8px;
  }

  .leverage-intro-eyebrow {
    margin-bottom: 10px;

    font-size: 10px;
  }

  .leverage-intro-title {
    font-size: 25px;

    line-height: 1.2;
  }

  .leverage-intro-description {
    margin-top: 14px;

    font-size: 15px;

    line-height: 1.58;
  }

  .leverage-intro-dots {
    padding-top: 12px;
  }

  .leverage-intro-footer {
    min-height: 92px;

    padding: 12px 20px 24px;
  }

  .leverage-intro-back,
  .leverage-intro-next {
    height: 48px;
  }

  .leverage-intro-next {
    min-width: 138px;
  }

  .leverage-intro-next.is-final {
    min-width: 176px;
  }
}

/* =====================================================
   SHORT VIEWPORT MOBILE
   ===================================================== */

@media (max-width: 520px) and (max-height: 740px) {
  .leverage-intro-overlay {
    align-items: center;

    padding: 10px 14px;
  }

  .leverage-intro-modal {
    min-height: 0;

    max-height: calc(100dvh - 24px);

    overflow-y: auto;

    transform: translateY(-8px) scale(0.985);
  }

  .leverage-intro-overlay.open .leverage-intro-modal {
    transform: translateY(-8px) scale(1);
  }

  .leverage-intro-gradient {
    height: 250px;
  }

  .leverage-intro-top {
    padding-top: 68px;

    padding-bottom: 12px;
  }

  .leverage-intro-stage {
    padding-top: 16px;

    padding-bottom: 4px;
  }

  .leverage-intro-footer {
    min-height: 80px;

    padding-bottom: 18px;
  }
}

/* =====================================================
   VERY SMALL MOBILE
   ===================================================== */

@media (max-width: 390px) {
  .leverage-intro-overlay {
    padding: 10px;
  }

  .leverage-intro-modal {
    max-height: calc(100dvh - 24px);

    transform: translateY(-12px) scale(0.985);
  }

  .leverage-intro-overlay.open .leverage-intro-modal {
    transform: translateY(-12px) scale(1);
  }

  .leverage-intro-stage {
    padding-left: 20px;

    padding-right: 20px;
  }

  .leverage-intro-title {
    font-size: 23px;
  }

  .leverage-intro-footer {
    gap: 8px;

    padding-left: 16px;

    padding-right: 16px;
  }

  .leverage-intro-back {
    min-width: 82px;

    padding: 0 18px;
  }

  .leverage-intro-next {
    min-width: 125px;

    padding: 0 20px;
  }

  .leverage-intro-next.is-final {
    min-width: 160px;
  }
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */

@media (prefers-reduced-motion: reduce) {
  .leverage-intro-overlay,
  .leverage-intro-modal,
  .leverage-intro-stage,
  .leverage-intro-close,
  .leverage-intro-segment,
  .leverage-intro-dot,
  .leverage-intro-back,
  .leverage-intro-next {
    transition: none !important;
  }
}