/* ==========================================================================
   Zenith — bold friendly fintech design system with motion
   Companion to references/design.md. Pair with assets/zenith.js for
   word reveals, staggered rises, and parallax drift.
   ========================================================================== */


:root {
  /* color tokens */
  --zn-canvas: #FFFFFF;
  --zn-ink: #0E0E10;
  --zn-blue: #4753C9;
  --zn-green: #75CF56;
  --zn-green-dark: #5CAE3F;
  --zn-lavender: #B4A5F5;
  --zn-text-secondary: #6E6E76;
  --zn-text-on-dark: #B9B9C0;
  --zn-line: #ECECF0;

  /* type */
  --zn-font-display: 'Space Grotesk', sans-serif;
  --zn-font-body: 'Inter', -apple-system, sans-serif;

  /* motion tokens */
  --zn-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --zn-dur-hover: 200ms;
  --zn-dur-enter: 800ms;

  /* elevation */
  --zn-shadow-float: 0 16px 48px rgba(14, 14, 16, 0.18);
}

/* ---------- base ---------- */

body {
  margin: 0;
  background: var(--zn-ink);
  color: var(--zn-ink);
  font-family: var(--zn-font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--zn-font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.05;
}
h1 { font-size: clamp(44px, 6vw, 80px); color: #fff; }
h2 { font-size: clamp(34px, 4.5vw, 56px); }

::selection { background: var(--zn-green); color: var(--zn-ink); }

:where(a, button, input, [tabindex]):focus-visible {
  outline: 2px solid var(--zn-green);
  outline-offset: 2px;
}

/* ---------- blurred page frame with edge captions ---------- */

.zn-frame {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 100% at 30% 0%, #5B66D6 0%, transparent 60%),
    radial-gradient(120% 120% at 80% 100%, #2E3370 0%, transparent 55%),
    linear-gradient(160deg, #3A4190, #23264F);
  filter: blur(0px);
}
.zn-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  backdrop-filter: blur(24px);
  background: rgba(20, 22, 48, 0.35);
}

.zn-caption {
  position: fixed;
  z-index: 10;
  font: 500 11px var(--zn-font-body);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}
.zn-caption--tl { top: 18px; left: 24px; }
.zn-caption--tr { top: 18px; right: 24px; }
.zn-caption--bl { bottom: 18px; left: 24px; }

/* scrolling inset content */
.zn-page {
  position: relative;
  z-index: 1;
  padding: 56px 20px 64px;
  display: grid;
  gap: 20px;
}

/* ---------- panels & sections ---------- */

.zn-panel {
  border-radius: 28px;
  overflow: hidden;
  position: relative;
}
.zn-panel--light { background: var(--zn-canvas); padding: 80px 56px; }
.zn-panel--dark { background: var(--zn-ink); color: #fff; padding: 80px 56px; }

/* ---------- buttons (pills) ---------- */

.zn-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  font: 600 13px var(--zn-font-body);
  cursor: pointer;
  transition: background var(--zn-dur-hover) var(--zn-ease),
              transform var(--zn-dur-hover) var(--zn-ease);
}
.zn-btn--green { background: var(--zn-green); color: var(--zn-ink); }
.zn-btn--green:hover { background: var(--zn-green-dark); transform: translateY(-1px); }
.zn-btn--white { background: #fff; color: var(--zn-ink); }
.zn-btn--white:hover { transform: translateY(-1px); }

/* ---------- hero ---------- */

.zn-hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 56px;
  color: #fff;
  text-align: center;
  align-items: center;
  gap: 24px;
}
.zn-photo {
  background:
    radial-gradient(90% 70% at 70% 30%, #6B77E0 0%, transparent 60%),
    radial-gradient(80% 80% at 20% 80%, #2F3577 0%, transparent 55%),
    linear-gradient(150deg, #4B55C9 0%, #333A85 100%);
}
.zn-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  font: 500 12px var(--zn-font-body);
}
.zn-hero__badge .zn-avatars { display: flex; }
.zn-hero__badge .zn-avatars i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  margin-left: -10px;
  background: linear-gradient(140deg, #D8DCF5, #8B95DC);
}
.zn-hero__badge .zn-avatars i:first-child { margin-left: 0; }
.zn-hero__sub {
  max-width: 520px;
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- word reveal (spans injected by zenith.js) ---------- */

.zn-words .zn-w {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}
.zn-words .zn-w > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform var(--zn-dur-enter) var(--zn-ease);
}
.zn-words.is-revealed .zn-w > span { transform: translateY(0); }

/* ---------- scroll reveal ---------- */

[data-zn-reveal] {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity var(--zn-dur-enter) var(--zn-ease),
              transform var(--zn-dur-enter) var(--zn-ease);
}
[data-zn-reveal].is-revealed { opacity: 1; transform: translateY(0); }
.zn-section-rise[data-zn-reveal] { transform: translateY(60px); }

/* ---------- card trio ---------- */

.zn-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.zn-card {
  position: relative;
  border-radius: 24px;
  padding: 28px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--zn-dur-hover) var(--zn-ease);
}
.zn-card:hover { transform: translateY(-4px); }
.zn-card--white { background: #fff; border: 1px solid var(--zn-line); }
.zn-card--green { background: var(--zn-green); color: var(--zn-ink); }
.zn-card--black { background: var(--zn-ink); color: #fff; }
.zn-card__title { font-family: var(--zn-font-display); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.zn-card__text { font-size: 13px; margin-top: 10px; color: var(--zn-text-secondary); }
.zn-card--green .zn-card__text { color: rgba(14, 14, 16, 0.7); }
.zn-card--black .zn-card__text { color: var(--zn-text-on-dark); }
.zn-card__art {
  margin: auto -28px -28px;
  height: 120px;
  border-radius: 16px 16px 0 0;
}
.zn-card__arrow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 0;
  font-size: 16px;
  cursor: pointer;
  background: var(--zn-ink);
  color: #fff;
  transition: transform var(--zn-dur-hover) var(--zn-ease);
}
.zn-card--green .zn-card__arrow,
.zn-card--black .zn-card__arrow {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  backdrop-filter: blur(4px);
}
.zn-card--green .zn-card__arrow { color: var(--zn-ink); background: rgba(255,255,255,0.5); }
.zn-card:hover .zn-card__arrow { transform: translate(3px, -3px); }
.zn-sparkle { font-size: 28px; }

/* ---------- dark showcase ---------- */

.zn-showcase { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.zn-showcase h2 { color: #fff; }
.zn-showcase p { color: var(--zn-text-on-dark); font-size: 14px; max-width: 400px; margin: 16px 0 28px; }

/* ---------- phone mockups ---------- */

.zn-phones { display: flex; gap: 24px; justify-content: center; }
.zn-phone {
  width: min(240px, 40%);
  aspect-ratio: 0.48;
  border-radius: 40px;
  border: 5px solid #26262B;
  background: var(--zn-ink);
  box-shadow: var(--zn-shadow-float);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: #fff;
  will-change: transform;
}
.zn-phone--offset { margin-top: 40px; }
.zn-phone__balance { font-family: var(--zn-font-display); font-size: 22px; font-weight: 600; }
.zn-phone__ring {
  width: 110px;
  height: 110px;
  margin: 8px auto;
  border-radius: 50%;
  background: conic-gradient(var(--zn-green) 0 62%, rgba(255,255,255,0.12) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  display: grid;
  place-items: center;
  position: relative;
}
.zn-phone__ring::after {
  content: attr(data-amt);
  position: absolute;
  font-family: var(--zn-font-display);
  font-size: 20px;
  color: #fff;
}
.zn-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; }
.zn-tile {
  border-radius: 16px;
  padding: 12px;
  font-size: 11px;
}
.zn-tile b { display: block; font-family: var(--zn-font-display); font-size: 15px; margin-top: 4px; }
.zn-tile--green { background: var(--zn-green); color: var(--zn-ink); }
.zn-tile--lavender { background: var(--zn-lavender); color: var(--zn-ink); }
.zn-tile--dark { background: #1C1C20; color: #fff; }

/* ---------- split panel ---------- */

.zn-split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.zn-split__dark {
  border-radius: 28px;
  background: var(--zn-ink);
  color: #fff;
  padding: 64px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.zn-split__dark h2 { color: #fff; }
.zn-split__dark .zn-copy { color: var(--zn-text-on-dark); font-size: 14px; }
.zn-split__dark footer { margin-top: auto; font-size: 11px; color: rgba(255,255,255,0.4); }
.zn-split__blue {
  border-radius: 28px;
  padding: 64px 48px;
  display: grid;
  place-items: center;
}

/* ---------- floating transaction card ---------- */

.zn-txn-card {
  width: min(360px, 90%);
  background: var(--zn-ink);
  color: #fff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--zn-shadow-float);
  animation: zn-float 6s ease-in-out infinite;
}
@keyframes zn-float {
  0%, 100% { transform: translateY(-10px); }
  50%      { transform: translateY(10px); }
}
.zn-txn-card h4 {
  font: 500 12px var(--zn-font-body);
  color: var(--zn-text-on-dark);
  margin: 0 0 12px;
}
.zn-txn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
}
.zn-txn:last-child { border-bottom: 0; }
.zn-txn__icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #1C1C20;
  display: grid;
  place-items: center;
  font-size: 14px;
}
.zn-txn__name { font-weight: 500; }
.zn-txn__cat { font-size: 11px; color: var(--zn-text-on-dark); }
.zn-txn__amt { margin-left: auto; font-family: var(--zn-font-display); }
.zn-txn__amt--in { color: var(--zn-green); }
.zn-txn__time { font-size: 10px; color: rgba(255,255,255,0.35); display: block; text-align: right; }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .zn-txn-card { animation: none; }
  [data-zn-reveal] {
    transition: opacity 200ms linear;
    transform: none;
  }
  .zn-words .zn-w > span { transition: none; transform: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}