:root {
  --color-bg: #1C1E24;
  --color-surface: #262930;
  --color-card: #2E323B;
  --color-card-hover: #383C46;
  --color-text-primary: #F5F5F2;
  --color-text-secondary: #C2C6D0;
  --color-text-muted: #8B909C;
  --color-border: #454A55;
  --color-brand: #C8FF3D;
  --color-brand-hover: #D7FF6A;
  --color-brand-muted: #A8D52F;
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #FB7185;
  --color-ink: #14151A;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-serif: "DM Serif Display", Georgia, serif;
  --space: clamp(1.25rem, 4vw, 2.5rem);
  --measure: 68rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--color-bg);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
  position: relative;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 245, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 245, 242, 0.035) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 10%, transparent 72%);
  animation: grid-shift 48s linear infinite;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
}
.orb-a {
  width: 28rem;
  height: 28rem;
  top: -10rem;
  right: -7rem;
  background: rgba(200, 255, 61, 0.11);
  animation: drift-a 24s ease-in-out infinite;
}
.orb-b {
  width: 22rem;
  height: 22rem;
  bottom: 8%;
  left: -9rem;
  background: rgba(200, 255, 61, 0.06);
  animation: drift-b 30s ease-in-out infinite;
}
.orb-c {
  width: 18rem;
  height: 18rem;
  top: 42%;
  left: 38%;
  background: rgba(245, 245, 242, 0.04);
  animation: drift-c 36s ease-in-out infinite;
}
@keyframes grid-shift {
  from { background-position: 0 0; }
  to { background-position: 4.5rem 4.5rem; }
}
@keyframes drift-a {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-3.5rem, 2.5rem); }
}
@keyframes drift-b {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(3rem, -2rem); }
}
@keyframes drift-c {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-2rem, 2rem) scale(1.08); }
}

.site-header,
main,
.site-footer { position: relative; z-index: 1; }

img, svg { display: block; max-width: 100%; }
a { color: var(--color-brand); text-underline-offset: 0.18em; }
a:hover { color: var(--color-brand-hover); }

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 80;
  background: var(--color-brand);
  color: var(--color-ink);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

.wrap {
  width: min(var(--measure), calc(100% - 2 * var(--space)));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.logo:hover { color: var(--color-text-primary); }
.mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: var(--radius-sm);
  background: var(--color-brand);
  color: var(--color-ink);
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-text-primary); }

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
}

.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  overflow: visible;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 20rem);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.hero-copy { min-width: 0; }

.phone-demo {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  isolation: isolate;
}

.phone-demo::before {
  content: "";
  position: absolute;
  width: 115%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-brand) 8%, transparent);
  filter: blur(42px);
  z-index: -1;
}

.phone-frame {
  position: relative;
  width: min(100%, 18.5rem);
  aspect-ratio: 9 / 19;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: 1.65rem;
  background: var(--color-card-hover);
  box-shadow: 0 1.5rem 4rem color-mix(in srgb, var(--color-bg) 72%, transparent);
}

.phone-frame::after {
  content: "";
  position: absolute;
  top: 6.5rem;
  right: -0.18rem;
  width: 0.16rem;
  height: 3rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-border);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 1.35rem;
  background:
    radial-gradient(circle at 70% 24%, color-mix(in srgb, var(--color-brand) 8%, transparent), transparent 38%),
    var(--color-surface);
}

.phone-screen::before {
  content: "";
  position: absolute;
  top: 0.65rem;
  left: 50%;
  width: 0.52rem;
  height: 0.52rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  transform: translateX(-50%);
  z-index: 4;
}

.phone-status {
  position: absolute;
  inset: 0.76rem 0.85rem auto;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-secondary);
  font-size: 0.58rem;
  font-weight: 600;
  line-height: 1;
  z-index: 3;
}

.phone-status-icons {
  letter-spacing: 0.12em;
}

.phone-home {
  position: absolute;
  inset: 28% 0 auto;
  display: grid;
  justify-items: center;
  color: var(--color-text-primary);
  line-height: 1;
}

.home-date {
  font-family: var(--font-serif);
  font-size: 4.75rem;
  letter-spacing: -0.06em;
}

.home-day {
  margin-top: 0.55rem;
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bank-notification {
  position: absolute;
  top: 2.65rem;
  right: 0.7rem;
  left: 0.7rem;
  z-index: 2;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-card-hover) 94%, transparent);
  box-shadow: 0 0.7rem 1.5rem color-mix(in srgb, var(--color-bg) 52%, transparent);
  opacity: 0;
  transform: translateY(-0.8rem) scale(0.98);
  animation: bank-ping 12s ease-in-out infinite;
}

.notification-head,
.ping-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-text-secondary);
  font-size: 0.62rem;
  font-weight: 600;
}

.bank-icon,
.ping-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.62rem;
  font-weight: 700;
}

.bank-icon {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

.notification-time,
.ping-offline {
  margin-left: auto;
  color: var(--color-text-muted);
  font-weight: 500;
}

.bank-notification p {
  margin: 0.5rem 0 0;
  color: var(--color-text-primary);
  font-size: 0.7rem;
  line-height: 1.45;
}

.ping-banner {
  position: absolute;
  right: 0.7rem;
  bottom: 1.65rem;
  left: 0.7rem;
  z-index: 3;
  padding: 0.85rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-brand) 34%, var(--color-border));
  border-radius: var(--radius-xl);
  background: var(--color-card);
  box-shadow: 0 1rem 2rem color-mix(in srgb, var(--color-bg) 68%, transparent);
  opacity: 0;
  transform: translateY(calc(100% + 2rem));
  animation: ping-banner 12s ease-in-out infinite;
}

.ping-mark {
  background: var(--color-brand);
  color: var(--color-ink);
}

.ping-body {
  position: relative;
  min-height: 7.45rem;
}

.ping-prompt,
.ping-feedback {
  position: absolute;
  inset: 0;
}

.ping-prompt {
  animation: ping-prompt 12s ease-in-out infinite;
}

.ping-amount {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.8rem;
}

.ping-amount span {
  color: var(--color-text-secondary);
  font-size: 0.65rem;
}

.ping-amount strong {
  color: var(--color-text-primary);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.ping-categories {
  display: flex;
  gap: 0.4rem;
  margin: 0.8rem -0.85rem 0;
  padding: 0 0.85rem 0.2rem;
  overflow: hidden;
}

.category,
.ping-skip {
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.61rem;
  font-weight: 600;
  line-height: 1;
}

.category {
  padding: 0.55rem 0.62rem;
  background: var(--color-surface);
}

.category-food {
  animation: choose-category 12s ease-in-out infinite;
}

.ping-skip {
  display: inline-block;
  margin-top: 0.55rem;
  padding: 0.42rem 0.55rem;
  border-color: transparent;
  color: var(--color-text-muted);
}

.ping-feedback {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  align-content: center;
  align-items: center;
  opacity: 0;
  transform: translateY(0.4rem);
  animation: ping-feedback 12s ease-in-out infinite;
}

.feedback-check {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--color-success);
  color: var(--color-bg);
  font-size: 0.85rem;
  font-weight: 700;
}

.ping-feedback div {
  display: grid;
  line-height: 1.35;
}

.ping-feedback strong {
  color: var(--color-text-primary);
  font-size: 0.8rem;
}

.ping-feedback div span {
  color: var(--color-text-secondary);
  font-size: 0.65rem;
}

.open-app {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  min-height: 2rem;
  border-radius: var(--radius-md);
  background: var(--color-brand);
  color: var(--color-ink);
  font-size: 0.65rem;
  font-weight: 700;
}

.phone-gesture {
  position: absolute;
  bottom: 0.55rem;
  left: 50%;
  width: 3.6rem;
  height: 0.18rem;
  border-radius: 1rem;
  background: var(--color-text-muted);
  transform: translateX(-50%);
  z-index: 4;
}

@keyframes bank-ping {
  0%, 5%, 82%, 100% {
    opacity: 0;
    transform: translateY(-0.8rem) scale(0.98);
  }
  9%, 78% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes ping-banner {
  0%, 20%, 83%, 100% {
    opacity: 0;
    transform: translateY(calc(100% + 2rem));
  }
  25%, 78% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes choose-category {
  0%, 34%, 53%, 100% {
    border-color: var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
  }
  36%, 51% {
    border-color: var(--color-brand);
    background: var(--color-brand);
    color: var(--color-ink);
  }
}

@keyframes ping-prompt {
  0%, 51% {
    opacity: 1;
    transform: translateY(0);
  }
  53%, 100% {
    opacity: 0;
    transform: translateY(-0.3rem);
  }
}

@keyframes ping-feedback {
  0%, 51%, 81%, 100% {
    opacity: 0;
    transform: translateY(0.4rem);
  }
  53%, 78% {
    opacity: 1;
    transform: translateY(0);
  }
}

.more { margin: 1.5rem 0 0; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--color-brand);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, .display {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 1.15rem;
}

h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); }

h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h3 {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}

.lede {
  max-width: 34rem;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin: 0 0 1.75rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.05rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}
.btn-primary {
  background: var(--color-brand);
  color: var(--color-ink);
}
.btn-primary:hover {
  background: var(--color-brand-hover);
  color: var(--color-ink);
}
.btn-secondary {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}
.btn-secondary:hover {
  background: var(--color-card-hover);
  color: var(--color-text-primary);
}

section { padding: clamp(3rem, 7vw, 5rem) 0; }

.section-head {
  max-width: 38rem;
  margin-bottom: 1.75rem;
}
.section-head p {
  margin: 0;
  color: var(--color-text-secondary);
}

.how {
  display: grid;
  grid-template-columns: minmax(14rem, 20rem) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.how-lead p {
  margin: 0;
  color: var(--color-text-secondary);
}

.how-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.how-list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.25rem;
}

.how-n {
  color: var(--color-brand);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.how-list h3 { margin-top: 0.1rem; }
.how-list p {
  margin: 0;
  color: var(--color-text-secondary);
  overflow-wrap: break-word;
}

.trust {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.trust-grid > div {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.2rem;
}

.trust-grid p {
  margin: 0.35rem 0 0;
  color: var(--color-text-secondary);
}

.faq {
  display: grid;
  gap: 0.55rem;
  max-width: 44rem;
}
details {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.15rem 1rem;
}
summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.9rem 0;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  float: right;
  color: var(--color-text-muted);
  font-weight: 500;
}
details[open] summary::after { content: "–"; }
details p {
  margin: 0 0 1rem;
  color: var(--color-text-secondary);
}

.page {
  padding: clamp(3rem, 7vw, 4.5rem) 0 5rem;
}
.prose { max-width: 42rem; }
.prose p, .prose li { color: var(--color-text-secondary); }
.prose h2 { margin-top: 2.2rem; font-size: 1.7rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.6rem 0 2.2rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
}
.foot nav { display: flex; gap: 1rem; }
.foot a {
  color: var(--color-text-secondary);
  text-decoration: none;
}
.foot a:hover { color: var(--color-text-primary); }

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    max-width: 42rem;
  }
  .phone-demo {
    justify-items: start;
  }
  .how,
  .trust-grid { grid-template-columns: 1fr; }
  .how-lead { max-width: 40rem; }
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    inset: 4rem 0 auto;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.85rem;
    gap: 0.35rem;
  }
  .nav-links a { padding: 0.45rem 0.3rem; }
  .nav.is-open .nav-links { display: flex; }
}

@media (max-width: 520px) {
  .phone-demo {
    justify-items: center;
  }
  .how-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  h1 { font-size: clamp(2.15rem, 11vw, 2.8rem); }
}

@media (prefers-reduced-motion: reduce) {
  .bank-notification,
  .ping-banner {
    opacity: 1;
    transform: none;
  }
  .category-food {
    border-color: var(--color-brand);
    background: var(--color-brand);
    color: var(--color-ink);
  }
  .ping-prompt {
    opacity: 0;
  }
  .ping-feedback {
    opacity: 1;
    transform: none;
  }
}