/* TrPay — Apple-inspired responsive site (light / dark auto) */
:root {
  color-scheme: light dark;
  --black: #1d1d1f;
  --gray-1: #6e6e73;
  --gray-2: #86868b;
  --gray-3: #d2d2d7;
  --gray-4: #f5f5f7;
  --white: #ffffff;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --green: #30d158;
  --bg: #ffffff;
  --surface: #f5f5f7;
  --card: #ffffff;
  --card-hover: #ebebed;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --border: #d2d2d7;
  --heading: #1d1d1f;
  --nav-link: rgba(0, 0, 0, 0.8);
  --header-bg: rgba(251, 251, 253, 0.72);
  --header-bg-scrolled: rgba(251, 251, 253, 0.92);
  --header-border: rgba(0, 0, 0, 0.06);
  --mobile-nav-bg: rgba(251, 251, 253, 0.98);
  --glass-header: rgba(251, 251, 253, 0.28);
  --glass-header-scrolled: rgba(251, 251, 253, 0.55);
  --glass-menu: rgba(251, 251, 253, 0.32);
  --glass-blur: saturate(180%) blur(48px);
  --device-bg: linear-gradient(145deg, #fafafa 0%, #f0f0f2 50%, #e8e8ed 100%);
  --device-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 24px 80px rgba(0, 0, 0, 0.08);
  --device-divider: rgba(0, 0, 0, 0.06);
  --tile-visual-bg: linear-gradient(180deg, #f5f5f7 0%, #e8e8ed 100%);
  --tile-visual-text: rgba(0, 0, 0, 0.12);
  --tab-bg: rgba(0, 0, 0, 0.06);
  --tab-bg-hover: rgba(0, 0, 0, 0.1);
  --tab-active-bg: #1d1d1f;
  --tab-active-text: #ffffff;
  --band-dark: #000000;
  --band-dark-muted: #86868b;
  --band-dark-card: rgba(255, 255, 255, 0.06);
  --btn-primary-text: #ffffff;
  --input-bg: #ffffff;
  --focus-ring: rgba(0, 113, 227, 0.15);
  --success-bg: rgba(48, 209, 88, 0.12);
  --success-text: #1d7a36;
  --header-h: 48px;
  --safe-top: env(safe-area-inset-top, 0px);
  --header-total-h: calc(var(--header-h) + var(--safe-top));
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --radius: 18px;
  --radius-lg: 28px;
  --max-w: 980px;
  --container: min(1060px, 100% - 48px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --black: #f5f5f7;
    --gray-1: #a1a1a6;
    --gray-2: #86868b;
    --gray-3: #424245;
    --gray-4: #1d1d1f;
    --white: #000000;
    --blue: #2997ff;
    --blue-hover: #409cff;
    --bg: #000000;
    --surface: #1d1d1f;
    --card: #1d1d1f;
    --card-hover: #2d2d2f;
    --text: #f5f5f7;
    --text-muted: #a1a1a6;
    --border: #424245;
    --heading: #f5f5f7;
    --nav-link: rgba(255, 255, 255, 0.88);
    --header-bg: rgba(22, 22, 23, 0.72);
    --header-bg-scrolled: rgba(22, 22, 23, 0.92);
    --header-border: rgba(255, 255, 255, 0.08);
    --mobile-nav-bg: rgba(22, 22, 23, 0.98);
    --glass-header: rgba(22, 22, 23, 0.26);
    --glass-header-scrolled: rgba(22, 22, 23, 0.48);
    --glass-menu: rgba(28, 28, 30, 0.3);
    --device-bg: linear-gradient(145deg, #1d1d1f 0%, #161617 50%, #0d0d0d 100%);
    --device-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 24px 80px rgba(0, 0, 0, 0.55);
    --device-divider: rgba(255, 255, 255, 0.08);
    --tile-visual-bg: linear-gradient(180deg, #2d2d2f 0%, #1d1d1f 100%);
    --tile-visual-text: rgba(255, 255, 255, 0.08);
    --tab-bg: rgba(255, 255, 255, 0.08);
    --tab-bg-hover: rgba(255, 255, 255, 0.14);
    --tab-active-bg: #f5f5f7;
    --tab-active-text: #1d1d1f;
    --band-dark: #000000;
    --band-dark-muted: #86868b;
    --band-dark-card: rgba(255, 255, 255, 0.06);
    --input-bg: #1d1d1f;
    --focus-ring: rgba(41, 151, 255, 0.25);
    --success-bg: rgba(48, 209, 88, 0.15);
    --success-text: #30d158;
  }
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}

#site-header {
  position: relative;
  z-index: 10000;
}

main {
  position: relative;
  z-index: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.container-narrow {
  width: min(var(--max-w), 100% - 48px);
  margin-inline: auto;
}

/* —— Header (apple.com nav) —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  left: 0;
  right: 0;
  z-index: 10003;
  height: var(--header-total-h);
  padding-top: var(--safe-top);
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--header-border);
  transition:
    background 0.45s var(--ease),
    border-color 0.45s var(--ease),
    -webkit-backdrop-filter 0.45s var(--ease),
    backdrop-filter 0.45s var(--ease);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.site-header.is-scrolled {
  background: var(--header-bg-scrolled);
}

.site-header .container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-h);
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  justify-self: start;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--heading);
  transition: opacity 0.3s var(--ease), color 0.45s var(--ease);
}

.logo:hover {
  opacity: 0.75;
}

.logo-mark {
  display: none;
}

.nav-desktop {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.nav-desktop a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--nav-link);
  opacity: 0.88;
  transition: opacity 0.3s var(--ease);
}

.nav-desktop a:hover,
.nav-desktop a:focus-visible {
  opacity: 1;
}

.nav-desktop a.is-active {
  opacity: 1;
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  position: relative;
  z-index: 2;
}

.nav-desktop-only {
  display: none;
}

@media (min-width: 834px) {
  .nav-desktop {
    display: flex;
  }

  .nav-desktop-only {
    display: inline-flex;
  }
}

/* Buttons & links */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.1rem;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.01em;
  border: none;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--blue);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  background: var(--blue-hover);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--blue);
}

.btn-outline:hover {
  background: var(--blue);
  color: var(--btn-primary-text);
}

.btn-ghost {
  background: transparent;
  color: var(--blue);
  padding-inline: 0.5rem;
  font-size: 12px;
}

.btn-ghost:hover {
  text-decoration: underline;
}

.link-more {
  display: inline-block;
  font-size: 21px;
  line-height: 1.381;
  font-weight: 400;
  letter-spacing: 0.011em;
  color: var(--blue);
  margin: 0 1.75rem 0 0;
  transition: opacity 0.3s var(--ease);
}

.link-more:hover {
  text-decoration: underline;
  opacity: 0.85;
}

.link-more::after {
  content: " ›";
}

/* Mobile nav */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  position: relative;
  z-index: 3;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 1px;
  background: var(--heading);
  margin-inline: auto;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.45s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-total-h) 0 0;
  z-index: 10002;
  background: transparent;
  padding: 1rem 1.5rem calc(2rem + env(safe-area-inset-bottom, 0px));
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-mobile.is-open {
  display: flex;
  background: var(--glass-menu);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.nav-mobile a {
  padding: 1rem 0;
  font-size: 17px;
  font-weight: 400;
  color: var(--heading);
  border-bottom: 1px solid var(--border);
}

.nav-mobile a.is-active {
  font-weight: 600;
}

.nav-mobile .btn {
  margin-top: 1.25rem;
  width: 100%;
}

@media (min-width: 834px) {
  .nav-toggle {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }
}

/* —— Hero (Apple product launch style) —— */
.hero {
  padding: calc(var(--header-h) + 3rem) 0 0;
  text-align: center;
  background: var(--bg);
  overflow: hidden;
}

.hero-apple .hero-inner {
  padding: 2rem 1.5rem 2.5rem;
  max-width: var(--max-w);
  margin-inline: auto;
}

/* Apple.com cinematic hero: copy floating over full-bleed video */
.hero-cinematic {
  display: grid;
  grid-template: 1fr / 1fr;
  padding: 0;
  background: #000;
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
}

.hero-cinematic .hero-video-stage {
  grid-area: 1 / 1;
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  background: #000;
  overflow: hidden;
  line-height: 0;
  pointer-events: none;
}

.hero-video-scaler {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: center center;
  backface-visibility: hidden;
  pointer-events: none;
}

@media (min-width: 834px) {
  .hero-video-scaler {
    will-change: transform;
  }
}

.hero-video-scaler .hero-video-el {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}

.hero-video-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.88) 0%,
      rgba(0, 0, 0, 0.55) 14%,
      rgba(0, 0, 0, 0.28) 38%,
      rgba(0, 0, 0, 0.35) 72%,
      rgba(0, 0, 0, 0.85) 100%
    );
}

.hero-cinematic .hero-copy--overlay {
  grid-area: 1 / 1;
  align-self: start;
  justify-self: center;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-w);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  margin: 0;
  /* 48px fallback + safe area + breathing room below nav */
  padding: calc(48px + env(safe-area-inset-top, 0px) + 1.5rem) 1.5rem clamp(2rem, 6vh, 3.5rem);
  text-align: center;
  pointer-events: none;
}

.hero-cinematic .hero-copy--overlay .hero-links,
.hero-cinematic .hero-copy--overlay .link-more {
  pointer-events: auto;
}

.hero-cinematic .hero-copy--overlay h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #f5f5f7;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.45);
}

.hero-cinematic .hero-copy--overlay .hero-sub {
  margin: 0 0 1.35rem;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: 0.004em;
  color: rgba(245, 245, 247, 0.78);
  text-shadow: 0 1px 24px rgba(0, 0, 0, 0.4);
}

.hero-cinematic .hero-copy--overlay .hero-links {
  margin-bottom: 0;
}

.hero-cinematic .hero-copy--overlay .link-more {
  font-size: clamp(17px, 2.2vw, 21px);
  margin: 0 1.5rem;
  color: #2997ff;
}

.hero-cinematic .hero-copy--overlay .link-more:hover {
  color: #66b3ff;
}

/* Header over dark video hero (home page) */
.page-home .site-header.is-over-hero {
  background: rgba(0, 0, 0, 0.12);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.page-home .site-header.is-over-hero.is-scrolled {
  background: rgba(0, 0, 0, 0.28);
  border-bottom-color: rgba(255, 255, 255, 0.07);
}

.page-home .site-header.is-over-hero .logo,
.page-home .site-header.is-over-hero .nav-desktop a {
  color: rgba(255, 255, 255, 0.92);
}

.page-home .site-header.is-over-hero .nav-toggle span {
  background: #f5f5f7;
}

@media (min-width: 834px) {
  .hero-cinematic .hero-copy--overlay {
    padding-top: calc(48px + env(safe-area-inset-top, 0px) + clamp(2rem, 8vh, 4rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-scaler .hero-video-el {
    display: none;
  }

  .hero-cinematic .hero-video-stage {
    min-height: min(100vh, 720px);
    background: linear-gradient(180deg, #000 0%, #1d1d1f 100%);
  }
}

.hero-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--gray-2);
}

.hero h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--heading);
}

.hero-sub {
  margin: 0 0 1.25rem;
  font-size: clamp(21px, 4vw, 28px);
  line-height: 1.14286;
  font-weight: 400;
  letter-spacing: 0.007em;
  color: var(--gray-1);
}

.hero-lead {
  margin: 0 auto 1.5rem;
  max-width: 540px;
  font-size: 19px;
  line-height: 1.4211;
  letter-spacing: 0.012em;
  color: var(--gray-1);
}

.hero-links {
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-visual-wrap {
  padding: 0 1.5rem 4rem;
  max-width: 980px;
  margin-inline: auto;
}

.hero-device {
  background: var(--device-bg);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--device-shadow);
}

.hero-device-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--device-divider);
}

.hero-device-bar h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.live-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-1);
}

.live-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.tx-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--device-divider);
  font-size: 14px;
}

.tx-row:last-child {
  border-bottom: none;
}

.tx-method {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.tx-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 9px;
  font-weight: 700;
  color: var(--btn-primary-text);
  letter-spacing: -0.02em;
}

.tx-icon.upi { background: var(--heading); color: var(--bg); }
.tx-icon.imps { background: var(--gray-3); }
.tx-icon.neft { background: var(--gray-2); }

.tx-amount {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.tx-status {
  font-size: 12px;
  color: var(--gray-2);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  margin: 0;
  background: none;
  border-radius: 0;
  overflow: visible;
}

.stat-item {
  flex: 1 1 140px;
  max-width: 220px;
  padding: 0 1.5rem;
  background: none;
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--border);
}

.stat-item strong {
  display: block;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
  color: var(--heading);
}

.stat-item span {
  font-size: 17px;
  line-height: 1.23536;
  color: var(--gray-1);
  letter-spacing: -0.022em;
}

.stats-band {
  padding: 3.5rem 0 4.5rem;
  background: var(--bg);
}

@media (max-width: 639px) {
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-item {
    padding: 0;
  }
}

/* Legacy hero grid (inner pages) */
.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
  text-align: left;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .hero-grid .hero-inner,
  .hero-grid .hero-content {
    text-align: left;
  }

  .hero-grid .hero-links,
  .hero-grid .hero-cta {
    justify-content: flex-start;
  }
}

.hero-badge {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-2);
}

/* —— Showcase tiles (apple.com product grid) —— */
.showcase-section {
  background: var(--surface);
  padding: 12px 0 0;
  margin-top: -1px;
}

.showcase-grid {
  display: grid;
  gap: 12px;
  padding: 0 12px;
}

.showcase-tile {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  padding: 0;
  background: var(--card);
  border-radius: var(--radius);
  min-height: 0;
  overflow: hidden;
  position: relative;
  transition: none;
}

.showcase-tile:hover {
  transform: none;
}

.tile-copy {
  padding: 2.25rem 1.75rem 2.75rem;
}

.showcase-tile h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.08349;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--heading);
}

.showcase-tile .tile-sub {
  margin: 0 0 1.15rem;
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.16667;
  font-weight: 400;
  letter-spacing: 0.009em;
  color: var(--gray-1);
}

.showcase-tile .link-more {
  font-size: 21px;
  margin: 0;
}

.tile-visual {
  width: 100%;
  max-width: none;
  height: clamp(220px, 32vw, 340px);
  margin: 0;
  border-radius: 0;
  background: var(--tile-visual-bg);
  position: relative;
  overflow: hidden;
}

.tile-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.9;
}

.tile-visual--tech::before {
  background:
    radial-gradient(ellipse 70% 55% at 50% 100%, rgba(0, 113, 227, 0.35) 0%, transparent 70%),
    linear-gradient(180deg, #fafafa 0%, #ececf0 100%);
}

.tile-visual--tech::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 12%;
  transform: translateX(-50%);
  width: min(72%, 280px);
  height: 58%;
  border-radius: 18px 18px 0 0;
  background: linear-gradient(180deg, #1d1d1f 0%, #2d2d2f 100%);
  box-shadow: 0 -8px 40px rgba(0, 113, 227, 0.15);
}

.tile-visual--solutions::before {
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(48, 209, 88, 0.28) 0%, transparent 65%),
    linear-gradient(180deg, #f5f5f7 0%, #e8e8ed 100%);
}

.tile-visual--solutions::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 18%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  border-radius: 28px;
  background: linear-gradient(145deg, #0071e3 0%, #30d158 50%, #ff9500 100%);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.tile-visual--about::before {
  background:
    radial-gradient(ellipse 90% 70% at 50% 100%, rgba(255, 149, 0, 0.22) 0%, transparent 70%),
    linear-gradient(180deg, #fafafa 0%, #f0f0f2 100%);
}

.tile-visual--about::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14%;
  transform: translateX(-50%);
  width: min(64%, 240px);
  height: 52%;
  border-radius: 50% 50% 12px 12px / 40% 40% 12px 12px;
  background: linear-gradient(180deg, #2997ff 0%, #0071e3 100%);
  box-shadow: 0 16px 48px rgba(41, 151, 255, 0.25);
}

@media (prefers-color-scheme: dark) {
  .tile-visual--tech::before {
    background:
      radial-gradient(ellipse 70% 55% at 50% 100%, rgba(41, 151, 255, 0.35) 0%, transparent 70%),
      linear-gradient(180deg, #1d1d1f 0%, #161617 100%);
  }

  .tile-visual--tech::after {
    background: linear-gradient(180deg, #000 0%, #1d1d1f 100%);
    box-shadow: 0 -8px 40px rgba(41, 151, 255, 0.2);
  }

  .tile-visual--solutions::before {
    background:
      radial-gradient(ellipse 80% 60% at 50% 110%, rgba(48, 209, 88, 0.22) 0%, transparent 65%),
      linear-gradient(180deg, #1d1d1f 0%, #0d0d0d 100%);
  }

  .tile-visual--about::before {
    background:
      radial-gradient(ellipse 90% 70% at 50% 100%, rgba(255, 149, 0, 0.18) 0%, transparent 70%),
      linear-gradient(180deg, #1d1d1f 0%, #161617 100%);
  }
}

@media (min-width: 834px) {
  .showcase-grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 0 12px;
  }
}

/* —— Sections —— */
section {
  padding: 5rem 0;
}

.section-label {
  display: block;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-2);
  margin-bottom: 0.75rem;
}

.section-title {
  text-align: center;
  margin: 0 auto 1rem;
  max-width: 640px;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08349;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.section-desc {
  text-align: center;
  margin: 0 auto 3.5rem;
  max-width: 580px;
  font-size: 19px;
  line-height: 1.4211;
  color: var(--gray-1);
}

.section-compact {
  padding: 4rem 0;
}

.tech-section {
  background: var(--bg);
}

/* Feature grid */
.feature-grid {
  display: grid;
  gap: 12px;
}

.feature-card {
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  transition: background 0.3s var(--ease);
}

.feature-card:hover {
  background: var(--card-hover);
}

.feature-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--heading);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  margin: 0 0 0.65rem;
  font-size: 24px;
  line-height: 1.16667;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.feature-card p {
  margin: 0;
  font-size: 17px;
  line-height: 1.47059;
  color: var(--gray-1);
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Preview cards → reuse showcase style on home */
.preview-grid {
  display: grid;
  gap: 12px;
}

.preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--surface);
  border-radius: var(--radius);
  transition: background 0.3s var(--ease);
}

.preview-card:hover {
  background: var(--card-hover);
}

.preview-card h3 {
  margin: 0 0 0.5rem;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.preview-card p {
  flex: 1;
  margin: 0 0 1.25rem;
  max-width: 300px;
  font-size: 14px;
  color: var(--gray-1);
  line-height: 1.57143;
}

.preview-card .link-arrow {
  font-size: 17px;
  color: var(--blue);
}

.preview-card .link-arrow::after {
  content: " ›";
}

@media (min-width: 834px) {
  .preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Solutions */
.solutions-section {
  background: var(--surface);
}

.solution-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 8px 18px;
  border-radius: 980px;
  border: none;
  background: var(--tab-bg);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 400;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.tab-btn:hover {
  background: var(--tab-bg-hover);
  color: var(--heading);
}

.tab-btn.is-active {
  background: var(--tab-active-bg);
  color: var(--tab-active-text);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.solution-panel {
  display: grid;
  gap: 2rem;
  align-items: center;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
}

.solution-panel h3 {
  margin: 0 0 1rem;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.solution-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0.65rem 0;
  font-size: 17px;
  color: var(--gray-1);
}

.solution-list svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--heading);
}

.payment-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 6px 14px;
  background: var(--surface);
  color: var(--heading);
  border-radius: 980px;
  font-size: 12px;
  font-weight: 500;
}

.solution-visual {
  background: var(--band-dark);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  color: #f5f5f7;
  text-align: center;
}

.solution-visual .big-num {
  font-size: 56px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.solution-visual p {
  margin: 0;
  font-size: 17px;
  color: var(--band-dark-muted);
}

@media (min-width: 768px) {
  .solution-panel {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Dark band (Apple-style) — always true black */
.trust-section,
.band-dark {
  background: var(--band-dark);
  color: #f5f5f7;
  padding: 6rem 0;
}

.trust-section .section-title {
  color: #f5f5f7;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.07143;
  letter-spacing: -0.025em;
  margin-bottom: 3.5rem;
}

.trust-section .section-desc {
  color: var(--band-dark-muted);
}

.trust-grid {
  display: grid;
  gap: 2.5rem 2rem;
  max-width: 980px;
  margin-inline: auto;
}

.trust-card {
  padding: 0;
  border-radius: 0;
  background: none;
  text-align: center;
}

.trust-card h3 {
  margin: 0 0 0.65rem;
  font-size: clamp(24px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #f5f5f7;
}

.trust-card p {
  margin: 0 auto;
  max-width: 280px;
  font-size: 17px;
  line-height: 1.47059;
  letter-spacing: -0.022em;
  color: var(--band-dark-muted);
}

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2.5rem;
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

/* Steps */
.steps {
  display: grid;
  gap: 12px;
}

.step-item {
  padding: 2rem 1.75rem;
  background: var(--surface);
  border-radius: var(--radius);
}

.step-num {
  display: block;
  margin-bottom: 1rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-2);
}

.step-item h3 {
  margin: 0 0 0.5rem;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.step-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.57143;
  color: var(--gray-1);
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* CTA */
.cta-section {
  padding: 6rem 0 7rem;
  background: var(--bg);
}

.cta-plain {
  text-align: center;
}

.cta-plain h2 {
  margin: 0 auto 0.75rem;
  max-width: 640px;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.07143;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--heading);
}

.cta-plain p {
  margin: 0 auto 1.75rem;
  max-width: 520px;
  font-size: 21px;
  line-height: 1.381;
  letter-spacing: 0.011em;
  color: var(--gray-1);
}

.cta-plain .link-more {
  font-size: 21px;
  margin: 0;
}

.cta-box {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 2rem;
  background: var(--card);
  border-radius: var(--radius-lg);
}

.cta-box h2 {
  margin: 0 auto 1rem;
  max-width: 520px;
  font-size: clamp(32px, 5vw, 40px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.cta-box p {
  margin: 0 auto 2rem;
  max-width: 480px;
  font-size: 19px;
  line-height: 1.4211;
  color: var(--gray-1);
}

/* Footer (Apple-style light) */
.site-footer {
  background: var(--surface);
  color: var(--text-muted);
  padding: 2rem 0 1.5rem;
  font-size: 12px;
  line-height: 1.33337;
  letter-spacing: -0.01em;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand .logo {
  font-size: 17px;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  max-width: 260px;
  font-size: 12px;
  line-height: 1.5;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 12px;
  font-weight: 600;
  color: var(--heading);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  transition: color 0.3s var(--ease);
}

.footer-col a:hover {
  color: var(--heading);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-legal a:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

/* Inner page hero */
.page-hero {
  padding: calc(48px + env(safe-area-inset-top, 0px) + 3.5rem) 0 3.5rem;
  text-align: center;
  background: var(--bg);
  border-bottom: 1px solid var(--header-border);
  position: relative;
  overflow: hidden;
}

.page-hero-parallax .parallax-band-bg.page-hero-bg {
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(0, 113, 227, 0.07), transparent 65%);
  opacity: 1;
}

@media (prefers-color-scheme: dark) {
  .page-hero-parallax .parallax-band-bg.page-hero-bg {
    background:
      radial-gradient(ellipse 70% 55% at 50% 0%, rgba(41, 151, 255, 0.1), transparent 65%);
  }
}

.cta-parallax-band .cta-parallax-bg {
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(0, 113, 227, 0.06), transparent 70%);
}

@media (prefers-color-scheme: dark) {
  .cta-parallax-band .cta-parallax-bg {
    background:
      radial-gradient(ellipse 60% 50% at 50% 100%, rgba(41, 151, 255, 0.08), transparent 70%);
  }
}

.page-hero .section-label,
.page-hero h1,
.page-hero-lead,
.page-hero-actions {
  backface-visibility: hidden;
}

@media (min-width: 834px) {
  .page-hero .section-label,
  .page-hero h1,
  .page-hero-lead,
  .page-hero-actions {
    will-change: transform, opacity;
  }
}

.page-hero h1 {
  margin: 0 auto 1rem;
  max-width: 720px;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.07143;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.page-hero-lead {
  margin: 0 auto;
  max-width: 580px;
  font-size: 21px;
  line-height: 1.381;
  color: var(--gray-1);
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.75rem;
}

/* About */
.about-grid {
  display: grid;
  gap: 3rem;
  align-items: start;
}

.about-content p {
  font-size: 19px;
  line-height: 1.4211;
  color: var(--gray-1);
  margin: 0 0 1.25rem;
}

.value-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.value-list li {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.value-list li:last-child {
  border-bottom: none;
}

.value-num {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gray-2);
  padding-top: 4px;
}

.value-list h3 {
  margin: 0 0 0.35rem;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.value-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.57143;
  color: var(--gray-1);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.about-stat {
  padding: 2rem 1.5rem;
  background: var(--surface);
  border-radius: var(--radius);
  text-align: center;
}

.about-stat strong {
  display: block;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.about-stat span {
  font-size: 12px;
  color: var(--gray-1);
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2.5rem;
}

.contact-info {
  display: grid;
  gap: 12px;
}

.info-card {
  padding: 1.75rem;
  background: var(--surface);
  border-radius: var(--radius);
}

.info-card h3 {
  margin: 0 0 0.5rem;
  font-size: 17px;
  font-weight: 600;
}

.info-card p,
.info-card a {
  margin: 0 0 0.35rem;
  font-size: 14px;
  color: var(--gray-1);
}

.info-card a {
  color: var(--blue);
}

.info-card a:hover {
  text-decoration: underline;
}

.contact-form-wrap {
  padding: 2.5rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.contact-form-wrap h2 {
  margin: 0 0 0.5rem;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.contact-form-wrap > p {
  margin: 0 0 2rem;
  font-size: 14px;
  color: var(--gray-1);
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 12px;
  font-weight: 600;
  color: var(--heading);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 17px;
  color: var(--text);
  background: var(--input-bg);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.form-row textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--success-bg);
  color: var(--success-text);
  border-radius: 12px;
  font-size: 14px;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.4fr;
  }
}

/* Legal */
.legal-content {
  max-width: 692px;
  margin-inline: auto;
}

.legal-content h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  font-size: 14px;
  line-height: 1.57143;
  color: var(--gray-1);
}

.legal-content a {
  color: var(--blue);
}

.legal-content ul {
  padding-left: 1.25rem;
}

/* Fade-in on scroll (opacity only — transform reserved for parallax) */
.reveal {
  opacity: 0;
  transition: opacity 0.9s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
}

/* Parallax layers */
[data-parallax] {
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.hero-apple .hero-inner,
.hero-apple .hero-visual-wrap {
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.parallax-band {
  position: relative;
  overflow: hidden;
}

.parallax-band-bg,
.parallax-band-fg {
  will-change: transform;
  backface-visibility: hidden;
}

.parallax-band-bg {
  position: absolute;
  inset: -15% -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 50% 20%, rgba(0, 113, 227, 0.09), transparent 70%);
  opacity: 0.9;
}

@media (prefers-color-scheme: dark) {
  .parallax-band-bg {
    background:
      radial-gradient(ellipse 55% 45% at 50% 20%, rgba(41, 151, 255, 0.12), transparent 70%);
  }
}

.parallax-band-fg {
  position: relative;
  z-index: 1;
}

.showcase-tile .tile-visual {
  transition: transform 0.05s linear;
}

@media (max-width: 833px) {
  /* Apple mobile: frosted glass nav — 需保留 main 可见才能 blur */
  .site-header {
    background: var(--glass-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: rgba(0, 0, 0, 0.05);
  }

  .site-header.is-scrolled {
    background: var(--glass-header-scrolled);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: rgba(0, 0, 0, 0.08);
  }

  body.nav-open .site-header {
    background: var(--glass-header-scrolled);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
  }

  .nav-mobile.is-open {
    inset: 0;
    padding-top: calc(var(--header-total-h) + 1rem);
    background: var(--glass-menu);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
  }

  /* Home hero: dark glass */
  .page-home .site-header.is-over-hero:not(.is-scrolled) {
    background: rgba(0, 0, 0, 0.06);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: rgba(255, 255, 255, 0.04);
  }

  .page-home .site-header.is-over-hero.is-scrolled,
  body.nav-open.page-home .site-header.is-over-hero {
    background: rgba(0, 0, 0, 0.18);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }

  .page-home .nav-mobile.is-open {
    background: rgba(0, 0, 0, 0.22);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
  }

  .hero-cinematic .hero-copy--overlay {
    padding-top: calc(48px + env(safe-area-inset-top, 0px) + 2rem);
  }

  .hero-cinematic .hero-copy--overlay h1 {
    font-size: clamp(36px, 10vw, 52px);
    line-height: 1.08;
  }

  .hero-cinematic .hero-copy--overlay .hero-sub {
    font-size: clamp(17px, 4.5vw, 21px);
  }

  .page-hero {
    padding-top: calc(48px + env(safe-area-inset-top, 0px) + 2.75rem);
  }

  .page-hero h1,
  .page-hero .section-label,
  .page-hero-lead,
  .page-hero-actions,
  [data-parallax],
  .parallax-band-bg,
  .parallax-band-fg,
  .hero-video-scaler,
  .hero-cinematic .hero-copy--overlay {
    transform: none !important;
    will-change: auto !important;
  }

  /* 禁止隐藏 main，否则 backdrop-filter 无内容可模糊 */
  body.nav-open main {
    pointer-events: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  @media (max-width: 833px) {
    .site-header {
      background: var(--header-bg);
    }

    .nav-mobile.is-open {
      background: var(--mobile-nav-bg);
    }
  }
}