/* CitChat corporate site — modern, responsive, reduced-motion aware. */

:root {
  --ink: #070c1a;
  --navy: #0a1230;
  --body: #4b5878;
  --muted: #6b7797;
  --brand: #3b6cf6;
  --brand-deep: #2550d9;
  --violet: #7c5cff;
  --cyan: #22d3ee;
  --sky: #7dd3fc;
  --line: rgba(9, 18, 44, 0.09);
  --line-strong: rgba(9, 18, 44, 0.16);
  --soft: #f4f7ff;
  --white: #ffffff;
  --max: 1160px;
  --radius: 28px;
  --shadow-sm: 0 8px 24px rgba(11, 22, 55, 0.06);
  --shadow: 0 30px 70px rgba(11, 22, 55, 0.13);
  --font-display: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.9rem, 5.6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

h2 {
  font-size: clamp(2.05rem, 3.8vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.045em;
}

p {
  margin: 0;
}

::selection {
  background: rgba(59, 108, 246, 0.22);
}

:focus-visible {
  outline: 3px solid rgba(59, 108, 246, 0.55);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -70px;
  z-index: 100;
  padding: 11px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--violet));
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 14px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #5b4bf0 60%, var(--violet));
  box-shadow: 0 14px 30px rgba(59, 108, 246, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 20px 42px rgba(91, 75, 240, 0.42);
}

.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-white {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 16px 32px rgba(2, 6, 20, 0.25);
}

.btn-white:hover {
  background: #f2f6ff;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.86rem;
}

.btn-full {
  width: 100%;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  color: #fff;
  background: #070c1a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  background: rgba(7, 12, 26, 0.96);
  box-shadow: 0 16px 40px rgba(2, 6, 20, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 6px 18px rgba(59, 108, 246, 0.45));
}

.brand-light {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 34px;
  padding: 0 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(226, 235, 255, 0.7);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.lang-btn:hover {
  color: #fff;
}

.lang-btn[aria-pressed="true"] {
  background: #fff;
  color: var(--navy);
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 650;
  color: rgba(226, 235, 255, 0.76);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav a:hover {
  color: #fff;
}

.nav .btn {
  margin-left: 4px;
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 118px 0 132px;
  color: #fff;
  background:
    radial-gradient(900px 560px at 88% -8%, rgba(124, 92, 255, 0.32), transparent 62%),
    radial-gradient(720px 520px at -6% 92%, rgba(34, 211, 238, 0.16), transparent 62%),
    linear-gradient(160deg, #060a18 0%, #0a1230 52%, #101a44 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 18%, transparent 72%);
  mask-image: radial-gradient(ellipse at 50% 0%, #000 18%, transparent 72%);
  opacity: 0.55;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -260px;
  right: -180px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 108, 246, 0.38), transparent 66%);
  filter: blur(24px);
  animation: drift 18s ease-in-out infinite alternate;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #cfe0ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5);
  animation: pulse 2.4s ease-out infinite;
}

.hero h1 {
  margin-top: 24px;
}

.accent {
  display: inline-block;
  background: linear-gradient(100deg, #7dd3fc 0%, #a78bfa 52%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 33rem;
  margin-top: 24px;
  color: rgba(226, 235, 255, 0.72);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-note {
  margin-top: 22px;
  color: rgba(226, 235, 255, 0.5);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  padding: 12px 0;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 6% 2%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 108, 246, 0.5), transparent 64%);
  filter: blur(42px);
}

.float-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #eaf1ff;
  font-size: 0.76rem;
  font-weight: 700;
  box-shadow: 0 18px 40px rgba(2, 6, 20, 0.35);
  backdrop-filter: blur(14px);
}

.chip-a {
  top: 12%;
  right: -2%;
  animation: floaty 6s ease-in-out infinite;
}

.chip-b {
  bottom: 15%;
  left: -5%;
  animation: floaty 7s ease-in-out infinite reverse;
}

/* Phone mockup */

.phone {
  position: relative;
  z-index: 2;
  width: min(302px, 100%);
  padding: 10px;
  border-radius: 46px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.08));
  box-shadow:
    0 46px 110px rgba(2, 6, 20, 0.7),
    inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  transform: rotate(-2deg);
}

.phone-screen {
  display: flex;
  flex-direction: column;
  height: 604px;
  overflow: hidden;
  border-radius: 38px;
  background: linear-gradient(180deg, #f8fbff 0%, #eaf0ff 62%, #e3ebff 100%);
  color: #0b1220;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px 6px;
  font-size: 0.68rem;
  font-weight: 800;
  color: #0f2044;
}

.phone-status-icons {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #0f2044;
}

.phone-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 12px;
  border-bottom: 1px solid rgba(9, 18, 44, 0.06);
}

.avatar {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b6cf6, #7c5cff);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
}

.phone-head-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
}

.phone-head-text small {
  display: block;
  color: var(--muted);
  font-size: 0.66rem;
}

.phone-dots {
  margin-left: auto;
  color: #8a94ad;
  font-weight: 800;
}

.phone-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 14px 16px;
  overflow: hidden;
}

.day-chip {
  align-self: center;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(9, 18, 44, 0.06);
  color: #5b6684;
  font-size: 0.6rem;
  font-weight: 700;
}

.bubble {
  max-width: 84%;
  padding: 9px 12px;
  border: 1px solid rgba(9, 18, 44, 0.05);
  border-radius: 16px 16px 16px 6px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(11, 22, 55, 0.05);
  font-size: 0.77rem;
  line-height: 1.4;
}

.bubble.them {
  align-self: flex-start;
}

.bubble.me {
  align-self: flex-end;
  border: 0;
  border-radius: 16px 16px 6px 16px;
  background: linear-gradient(135deg, #3b6cf6, #5b52f0);
  color: #fff;
  box-shadow: 0 8px 20px rgba(59, 108, 246, 0.28);
}

.bubble-name {
  display: block;
  margin-bottom: 2px;
  color: var(--brand);
  font-size: 0.6rem;
  font-weight: 800;
}

.voice {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.voice-play {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b6cf6, #7c5cff);
  color: #fff;
}

.voice-bars {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.voice-bars i {
  width: 2.5px;
  border-radius: 2px;
  background: rgba(59, 108, 246, 0.55);
}

.voice-time {
  color: #5b6684;
  font-size: 0.62rem;
  font-weight: 700;
}

.bubble.invite {
  display: block;
  padding: 11px 13px;
  border: 1px solid rgba(124, 92, 255, 0.28);
  background: linear-gradient(155deg, #eef3ff, #ece9ff);
}

.invite-kicker {
  display: block;
  color: #6d5cff;
  font-size: 0.53rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.invite-title {
  display: block;
  margin: 2px 0 3px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.invite-meta {
  display: block;
  color: var(--muted);
  font-size: 0.61rem;
}

.invite-rsvp {
  display: block;
  margin-top: 5px;
  color: var(--brand);
  font-size: 0.61rem;
  font-weight: 800;
}

.phone-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 6px 12px 14px;
  padding: 10px 12px;
  border: 1px solid rgba(9, 18, 44, 0.08);
  border-radius: 999px;
  background: #fff;
  color: #8a94ad;
  font-size: 0.7rem;
}

.phone-send {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b6cf6, #7c5cff);
  color: #fff;
}

/* Ticker */

.strip {
  overflow: hidden;
  color: #fff;
  background: linear-gradient(90deg, #3b6cf6 0%, #6d5cff 48%, #22d3ee 100%);
  border-block: 1px solid rgba(255, 255, 255, 0.18);
}

.strip-track {
  display: flex;
  width: max-content;
  animation: ticker 36s linear infinite;
}

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

.strip-group {
  display: flex;
  align-items: center;
  gap: 44px;
  padding: 19px 0 19px 44px;
  white-space: nowrap;
}

.strip-group span {
  display: inline-flex;
  align-items: center;
  gap: 44px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.strip-group span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
}

/* Shared sections */

.section {
  position: relative;
  padding: 112px 0;
}

.soft {
  background: var(--soft);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--sky);
}

.section-head {
  max-width: 700px;
  margin-bottom: 52px;
}

.section-head p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--body);
  font-size: 1.04rem;
}

.muted {
  color: var(--body);
  font-size: 1.05rem;
}

.rule {
  display: block;
  width: 64px;
  height: 4px;
  margin: 22px 0 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--brand), var(--violet), var(--cyan));
}

/* Features */

#features {
  background:
    radial-gradient(900px 520px at 88% 0%, rgba(124, 92, 255, 0.08), transparent 62%),
    radial-gradient(720px 420px at 2% 22%, rgba(34, 211, 238, 0.08), transparent 60%),
    #f7f9ff;
}

.value-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: start;
  margin-bottom: 64px;
}

.value-grid .muted {
  margin-top: 18px;
  max-width: 34rem;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.value-item {
  display: flex;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.value-item:hover {
  transform: translateX(4px);
  border-color: rgba(59, 108, 246, 0.28);
}

.value-dot {
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--violet));
  box-shadow: 0 0 0 5px rgba(59, 108, 246, 0.12);
}

.value-item h3 {
  margin-bottom: 5px;
  font-size: 1rem;
  font-weight: 700;
}

.value-item p {
  color: var(--body);
  font-size: 0.93rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(11, 22, 55, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card::after {
  content: "";
  position: absolute;
  top: -110px;
  right: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 108, 246, 0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 108, 246, 0.25);
  box-shadow: var(--shadow);
}

.card:hover::after {
  opacity: 1;
}

.card:nth-child(1) {
  grid-column: span 4;
  padding: 40px;
}

.card:nth-child(2) {
  grid-column: span 2;
}

.card:nth-child(3),
.card:nth-child(4),
.card:nth-child(5) {
  grid-column: span 2;
}

.card:nth-child(6) {
  display: grid;
  grid-column: span 6;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 24px;
  align-items: center;
}

.card:nth-child(6) .icon {
  grid-row: 1 / span 2;
  margin-bottom: 0;
}

.card h3 {
  position: relative;
  margin-bottom: 8px;
  font-size: 1.08rem;
  font-weight: 700;
}

.card:nth-child(1) h3 {
  font-size: 1.42rem;
}

.card p {
  position: relative;
  color: var(--body);
  font-size: 0.94rem;
}

.icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: 16px;
  background: linear-gradient(145deg, #e9efff, #dfe8ff);
  color: #2f5bea;
  box-shadow: inset 0 0 0 1px rgba(59, 108, 246, 0.12);
}

.card:nth-child(1) .icon {
  background: linear-gradient(135deg, #3b6cf6, #7c5cff);
  color: #fff;
  box-shadow: 0 12px 26px rgba(59, 108, 246, 0.3);
}

.card:nth-child(2) .icon {
  background: linear-gradient(145deg, #f1ecff, #e8e1ff);
  color: #6d5cff;
}

.card:nth-child(3) .icon {
  background: linear-gradient(145deg, #e6fbff, #d9f5ff);
  color: #0891b2;
}

.card:nth-child(5) .icon {
  background: linear-gradient(135deg, #22d3ee, #3b6cf6);
  color: #fff;
  box-shadow: 0 12px 26px rgba(34, 211, 238, 0.28);
}

.card:nth-child(6) .icon {
  background: linear-gradient(145deg, #e7f9f1, #d7f3e7);
  color: #0f9d6e;
}

.tag {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #eef2ff;
  color: #4f46e5;
  font-family: var(--font-body);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* Business */

.business {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(900px 560px at 88% -6%, rgba(124, 92, 255, 0.3), transparent 62%),
    radial-gradient(760px 520px at 2% 92%, rgba(34, 211, 238, 0.16), transparent 60%),
    linear-gradient(160deg, #070c1a 0%, #0a1230 55%, #111a3d 100%);
}

.business::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse at 80% 0%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse at 80% 0%, #000 10%, transparent 70%);
}

.business .section-head {
  max-width: 760px;
}

.business .eyebrow {
  color: var(--sky);
}

.business h2 {
  color: #fff;
}

.business .section-head p:not(.eyebrow) {
  color: rgba(226, 235, 255, 0.66);
}

.role-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.role-chips span {
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #dbe7ff;
  font-size: 0.8rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.business-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.business-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 30px 70px rgba(2, 6, 20, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.business-card--flip {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.business-card--flip .business-shot {
  order: 2;
}

.business-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--violet), var(--cyan));
}

.business-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, 0.4);
  box-shadow: 0 44px 96px rgba(2, 6, 20, 0.55);
}

.business-shot {
  display: flex;
  justify-content: center;
  margin: 0;
}

.business-device {
  width: 100%;
  max-width: 288px;
  padding: 8px;
  border-radius: 34px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.04));
  box-shadow: 0 30px 60px rgba(2, 6, 20, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  transition: transform 0.25s ease;
}

.business-card:hover .business-device {
  transform: translateY(-4px);
}

.business-device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 27px;
}

.card-kicker {
  margin-bottom: 10px;
  color: var(--sky);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.business-card h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: clamp(1.4rem, 2.2vw, 1.72rem);
  font-weight: 700;
}

.business-lead {
  color: rgba(226, 235, 255, 0.66);
  font-size: 1rem;
}

.business-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  list-style: none;
}

.business-list li {
  position: relative;
  padding-left: 26px;
  color: rgba(226, 235, 255, 0.82);
  font-size: 0.93rem;
}

.business-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 13px;
  height: 7px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

.business-note {
  margin-top: 26px;
  padding-left: 16px;
  border-left: 3px solid rgba(34, 211, 238, 0.55);
  color: rgba(226, 235, 255, 0.5);
  font-size: 0.88rem;
}

/* Security */

.security {
  background: #fff;
}

.section-head-dark p:not(.eyebrow) {
  color: var(--body);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.security-item {
  position: relative;
  overflow: hidden;
  padding: 30px 30px 30px 36px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(160deg, #fff, #f7f9ff);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.security-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--brand), var(--violet));
}

.security-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.security-item h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  font-weight: 700;
}

.security-item p {
  color: var(--body);
  font-size: 0.95rem;
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.step {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--brand), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.step h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
  font-weight: 700;
}

.step p {
  color: var(--body);
  font-size: 0.95rem;
}

/* Download */

#download {
  background: #fff;
}

.download-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  padding: 56px;
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(620px 340px at 88% -12%, rgba(34, 211, 238, 0.38), transparent 62%),
    radial-gradient(520px 320px at 8% 108%, rgba(124, 92, 255, 0.55), transparent 62%),
    linear-gradient(135deg, #2f5bea 0%, #5b4bf0 55%, #7c5cff 100%);
  box-shadow: 0 40px 90px rgba(46, 72, 190, 0.35);
}

.download-card::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.download-card h2 {
  margin-bottom: 14px;
  color: #fff;
  font-size: clamp(2rem, 3.4vw, 2.8rem);
}

.download-copy {
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
}

.download-meta {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  font-weight: 700;
}

.download-aside {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row span {
  color: rgba(255, 255, 255, 0.58);
}

.spec-row strong {
  font-weight: 700;
  text-align: right;
}

/* Web version */

.web-strip {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 22px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.web-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 15px;
  background: linear-gradient(145deg, #e9efff, #dfe8ff);
  color: #2f5bea;
  box-shadow: inset 0 0 0 1px rgba(59, 108, 246, 0.12);
}

.web-copy {
  flex: 1;
  min-width: 0;
}

.web-copy h3 {
  margin-bottom: 4px;
  font-size: 1.05rem;
  font-weight: 700;
}

.web-copy p {
  color: var(--body);
  font-size: 0.94rem;
}

.web-strip .btn {
  flex: none;
}

/* FAQ */

.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 880px;
  margin: 0 auto;
}

.faq details {
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(11, 22, 55, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq details[open] {
  border-color: rgba(59, 108, 246, 0.28);
  box-shadow: var(--shadow-sm);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 0;
  font-size: 1rem;
  font-weight: 750;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--brand);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 70ch;
  padding: 0 0 22px;
  color: var(--body);
  font-size: 0.95rem;
}

/* Contact */

.contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(760px 520px at 92% -4%, rgba(59, 108, 246, 0.35), transparent 62%),
    radial-gradient(620px 420px at 2% 104%, rgba(124, 92, 255, 0.28), transparent 62%),
    #070c1a;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 64px;
  align-items: start;
}

.contact h2 {
  color: #fff;
}

.contact-copy {
  max-width: 30rem;
  margin-top: 16px;
  color: rgba(226, 235, 255, 0.7);
  font-size: 1.04rem;
}

.contact-mail {
  display: inline-block;
  margin-top: 26px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(125, 211, 252, 0.35);
  color: var(--sky);
  font-weight: 700;
  text-decoration: none;
}

.contact-mail:hover {
  border-color: #fff;
  color: #fff;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

.contact-form label {
  margin-top: 12px;
  color: rgba(226, 235, 255, 0.55);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-form label:first-of-type {
  margin-top: 0;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(226, 235, 255, 0.35);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--sky);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-form .btn {
  margin-top: 20px;
}

.form-status {
  min-height: 1.2em;
  margin-top: 12px;
  color: var(--sky);
  font-size: 0.85rem;
}

/* Footer */

.footer {
  padding: 48px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #05080f;
  color: rgba(226, 235, 255, 0.6);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer .brand {
  font-size: 1.05rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-links a {
  color: rgba(226, 235, 255, 0.58);
  font-size: 0.87rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer small {
  color: rgba(226, 235, 255, 0.4);
  font-size: 0.78rem;
}

/* Reveal */

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* Motion */

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-40px, 30px, 0) scale(1.08);
  }
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(34, 211, 238, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
  }
}

/* Responsive */

@media (max-width: 1120px) {
  .header-actions {
    gap: 12px;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    background: #0b1330;
    box-shadow: 0 30px 70px rgba(2, 6, 20, 0.55);
  }

  .site-header.nav-open .nav {
    display: flex;
  }

  .nav a {
    padding: 11px 13px;
    border-radius: 12px;
    font-size: 0.98rem;
  }

  .nav a:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav .btn {
    margin: 6px 0 0;
  }

  .site-header.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

@media (max-width: 1020px) {
  .hero-grid {
    gap: 40px;
  }

  .business-card,
  .business-card--flip {
    gap: 36px;
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .business-card--flip {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .download-card {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .hero {
    padding: 88px 0 104px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-copy {
    max-width: 620px;
  }

  .hero-visual {
    order: 2;
  }

  .phone {
    transform: none;
  }

  .chip-a {
    right: 8%;
  }

  .chip-b {
    left: 6%;
  }

  .value-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card:nth-child(1) {
    grid-column: span 2;
  }

  .card:nth-child(2),
  .card:nth-child(3),
  .card:nth-child(4),
  .card:nth-child(5) {
    grid-column: span 1;
  }

  .card:nth-child(6) {
    grid-column: span 2;
  }

  .business-card,
  .business-card--flip {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px;
  }

  .business-card--flip .business-shot,
  .business-shot {
    order: -1;
  }

  .business-device {
    max-width: 260px;
  }

  .security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .download-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 42px;
  }

  .download-aside {
    max-width: 440px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 86px;
  }

  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 76px 0 88px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 9.5vw, 3.2rem);
  }

  .float-chip {
    display: none;
  }

  .card:nth-child(1) {
    padding: 30px;
  }

  .features-grid,
  .security-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .card:nth-child(1),
  .card:nth-child(2),
  .card:nth-child(3),
  .card:nth-child(4),
  .card:nth-child(5),
  .card:nth-child(6) {
    grid-column: span 1;
  }

  .card:nth-child(6) {
    display: block;
  }

  .card:nth-child(6) .icon {
    margin-bottom: 20px;
  }

  .business-card {
    padding: 24px 20px;
  }

  .business-device {
    max-width: 240px;
  }

  .download-card {
    padding: 32px 24px;
  }

  .download-aside {
    padding: 8px 18px;
  }

  .web-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px 22px;
  }

  .web-strip .btn {
    width: 100%;
  }

  .contact-form {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .strip-group {
    gap: 32px;
    padding: 16px 0 16px 32px;
  }

  .strip-group span {
    gap: 32px;
    font-size: 0.72rem;
  }
}

@media (max-width: 420px) {
  .phone {
    width: min(272px, 100%);
  }

  .phone-screen {
    height: 566px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-note {
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .strip-track {
    animation: none;
  }
}