:root {
  --bg: #f3f3f1;
  --surface: #ffffff;
  --surface-muted: #f7f7f5;
  --dark: #181b20;
  --dark-soft: #242932;
  --text: #20242a;
  --muted: #5e646d;
  --line: rgba(24, 27, 32, 0.12);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #ff7a00;
  --accent-deep: #dd6600;
  --accent-fade: rgba(255, 122, 0, 0.16);
  --shadow: 0 28px 70px rgba(17, 20, 28, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-width: 320px;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.page-shell {
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.ambient {
  border-radius: 999px;
  filter: blur(90px);
  position: absolute;
}

.ambient--left {
  background: rgba(255, 122, 0, 0.16);
  height: 320px;
  left: -120px;
  top: 100px;
  width: 320px;
}

.ambient--right {
  background: rgba(255, 255, 255, 0.7);
  height: 360px;
  right: -80px;
  top: 380px;
  width: 360px;
}

.grid-noise {
  background-image:
    linear-gradient(rgba(24, 27, 32, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 27, 32, 0.04) 1px, transparent 1px);
  background-position: center;
  background-size: 44px 44px;
  inset: 0;
  opacity: 0.45;
  position: absolute;
}

.container {
  margin: 0 auto;
  max-width: var(--container);
  padding: 0 24px;
  width: 100%;
}

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

.section-head {
  margin-bottom: 44px;
  max-width: 720px;
}

.eyebrow {
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-head h2,
.benefit-panel h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.section-copy {
  color: rgba(255, 255, 255, 0.76);
  margin-top: 18px;
  max-width: 640px;
}

.site-header {
  left: 0;
  padding: 18px 0;
  position: sticky;
  top: 0;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  z-index: 50;
}

.site-header.is-scrolled {
  background: rgba(243, 243, 241, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(24, 27, 32, 0.08);
  box-shadow: 0 12px 32px rgba(17, 20, 28, 0.08);
}

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

.brand {
  align-items: center;
  display: inline-flex;
  gap: 14px;
}

.brand img {
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(255, 122, 0, 0.24);
  height: 54px;
  width: 54px;
}

.brand span {
  color: var(--dark);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 28px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 700;
  position: relative;
  transition: color 0.2s ease;
}

.site-nav a::after {
  background: var(--accent);
  bottom: -8px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
  width: 100%;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--dark);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  background: transparent;
  border: 0;
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}

.nav-toggle span {
  background: var(--dark);
  border-radius: 999px;
  display: block;
  height: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  width: 26px;
}

.hero {
  padding-top: 72px;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.hero-copy h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.8rem, 5.4vw, 5.8rem);
  letter-spacing: -0.06em;
  line-height: 0.94;
  max-width: 11ch;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin-top: 26px;
  max-width: 62ch;
}

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

.btn {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-width: 176px;
  padding: 15px 24px;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  box-shadow: 0 14px 32px rgba(255, 122, 0, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(24, 27, 32, 0.14);
  color: var(--dark);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: #fff;
}

.hero-points {
  display: grid;
  gap: 10px;
  list-style: none;
  margin-top: 32px;
}

.hero-points li {
  align-items: center;
  color: var(--dark);
  display: flex;
  font-weight: 700;
  gap: 12px;
}

.hero-points li::before {
  background: var(--accent);
  border-radius: 999px;
  content: "";
  flex: 0 0 8px;
  height: 8px;
}

.hero-visual {
  display: grid;
  gap: 18px;
  justify-items: stretch;
}

.signal-card,
.prop-card,
.system-card,
.step-card,
.benefit-panel {
  border: 1px solid rgba(24, 27, 32, 0.1);
  box-shadow: var(--shadow);
}

.signal-card {
  background: rgba(255, 255, 255, 0.84);
  border-radius: var(--radius-lg);
  min-height: 220px;
  padding: 28px;
  position: relative;
}

.signal-card--device {
  min-height: 280px;
}

.signal-card--app {
  margin-left: auto;
  max-width: 82%;
}

.signal-label {
  color: var(--muted);
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.device-shape {
  align-items: center;
  background: linear-gradient(135deg, rgba(24, 27, 32, 0.98), rgba(36, 41, 50, 0.9));
  border-radius: 28px;
  display: grid;
  justify-items: center;
  margin-bottom: 18px;
  min-height: 150px;
  overflow: hidden;
  position: relative;
}

.device-shape::before,
.device-shape::after {
  background: rgba(255, 122, 0, 0.16);
  border-radius: 999px;
  content: "";
  position: absolute;
}

.device-shape::before {
  height: 150px;
  right: -36px;
  top: -36px;
  width: 150px;
}

.device-shape::after {
  bottom: -46px;
  height: 140px;
  left: -36px;
  width: 140px;
}

.device-shape__core {
  background: linear-gradient(180deg, #ff8a1d, #e26400);
  border-radius: 30px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16), 0 18px 48px rgba(0, 0, 0, 0.35);
  height: 88px;
  width: 180px;
}

.device-shape__port {
  background: #dfe2e7;
  border-radius: 999px;
  height: 10px;
  margin-top: 12px;
  width: 80px;
}

.signal-card p,
.prop-card p,
.system-card p,
.step-card p,
.relaunch-copy p,
.site-footer p {
  color: var(--muted);
}

.phone-ui {
  background: linear-gradient(180deg, #fbfbfb, #f1f2f4);
  border: 1px solid rgba(24, 27, 32, 0.08);
  border-radius: 28px;
  padding: 18px;
}

.phone-ui__top {
  background: var(--dark);
  border-radius: 999px;
  height: 8px;
  margin: 0 auto 18px;
  width: 74px;
}

.phone-ui__balance {
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.14), rgba(255, 122, 0, 0.32));
  border-radius: 22px;
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  padding: 18px;
}

.phone-ui__balance strong {
  color: var(--dark);
  font-size: 0.92rem;
}

.phone-ui__balance span {
  color: var(--dark);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.phone-ui__rows {
  display: grid;
  gap: 10px;
}

.phone-ui__rows span {
  background: #fff;
  border: 1px solid rgba(24, 27, 32, 0.08);
  border-radius: 16px;
  color: var(--muted);
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 12px 14px;
}

.hero-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-flow span {
  align-items: center;
  background: rgba(24, 27, 32, 0.04);
  border: 1px solid rgba(24, 27, 32, 0.08);
  border-radius: 999px;
  color: var(--dark);
  display: inline-flex;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  gap: 10px;
  padding: 10px 14px;
}

.hero-flow span:not(:last-child)::after {
  color: var(--accent);
  content: ">";
  font-size: 0.92rem;
}

.proposition {
  padding-top: 36px;
}

.proposition-grid,
.ecosystem-grid,
.steps,
.split-grid,
.relaunch-grid {
  display: grid;
  gap: 22px;
}

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

.prop-card {
  background: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 28px;
  position: relative;
}

.prop-card::before {
  background: linear-gradient(90deg, var(--accent), transparent);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.prop-index {
  color: var(--accent);
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 18px;
}

.prop-card h3,
.system-card h3,
.step-card h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 12px;
}

.section-dark {
  background: linear-gradient(180deg, var(--dark), #101217);
  color: #fff;
}

.section-dark .section-head h2,
.section-dark .system-card h3,
.section-dark .system-card p,
.section-dark .system-card li {
  color: #fff;
}

.system-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  min-height: 100%;
  padding: 30px;
}

.system-card__icon {
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.16), rgba(255, 122, 0, 0.4));
  border: 1px solid rgba(255, 122, 0, 0.34);
  border-radius: 16px;
  color: var(--accent);
  display: inline-flex;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  height: 52px;
  justify-content: center;
  margin-bottom: 18px;
  width: 52px;
}

.system-card ul {
  display: grid;
  gap: 8px;
  list-style: none;
  margin-top: 18px;
}

.system-card li {
  color: rgba(255, 255, 255, 0.74);
  padding-left: 18px;
  position: relative;
}

.system-card li::before {
  color: var(--accent);
  content: "+";
  left: 0;
  position: absolute;
}

.steps {
  counter-reset: step;
}

.step-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 30px;
}

.step-number {
  align-items: center;
  background: rgba(255, 122, 0, 0.12);
  border-radius: 999px;
  color: var(--accent);
  display: inline-flex;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  height: 40px;
  justify-content: center;
  margin-bottom: 16px;
  width: 40px;
}

.section-split {
  padding-top: 20px;
}

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

.benefit-panel {
  background: var(--dark);
  border-radius: var(--radius-lg);
  color: #fff;
  min-height: 100%;
  padding: 40px;
  position: relative;
}

.benefit-panel--light {
  background: linear-gradient(180deg, #fff, #f6f6f3);
  color: var(--text);
}

.benefit-panel--light .benefit-list li,
.benefit-panel--light h2 {
  color: var(--text);
}

.benefit-list {
  display: grid;
  gap: 14px;
  list-style: none;
  margin-top: 28px;
}

.benefit-list li {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
  font-weight: 700;
  padding-left: 20px;
  position: relative;
}

.benefit-list li::before {
  background: var(--accent);
  border-radius: 999px;
  content: "";
  height: 8px;
  left: 0;
  position: absolute;
  top: 0.66em;
  width: 8px;
}

.relaunch {
  background:
    linear-gradient(180deg, rgba(255, 122, 0, 0.05), rgba(255, 122, 0, 0)),
    transparent;
}

.relaunch-grid {
  grid-template-columns: 0.88fr 1.12fr;
}

.relaunch-copy {
  display: grid;
  gap: 18px;
  padding-top: 68px;
}

.site-footer {
  border-top: 1px solid rgba(24, 27, 32, 0.08);
  padding: 36px 0 52px;
}

.footer-inner {
  align-items: center;
  display: flex;
  gap: 22px;
  justify-content: space-between;
}

.brand--footer img {
  height: 48px;
  width: 48px;
}

.site-footer p {
  max-width: 560px;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.signal-card:hover,
.prop-card:hover,
.system-card:hover,
.step-card:hover,
.benefit-panel:hover {
  transform: translateY(-4px);
  transition: transform 0.25s ease;
}

@media (max-width: 980px) {
  .site-nav {
    background: rgba(243, 243, 241, 0.98);
    border-top: 1px solid rgba(24, 27, 32, 0.08);
    box-shadow: 0 24px 40px rgba(17, 20, 28, 0.08);
    flex-direction: column;
    gap: 18px;
    inset: 86px 0 auto;
    opacity: 0;
    padding: 28px 24px 32px;
    pointer-events: none;
    position: absolute;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-open span:first-child {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.is-open span:last-child {
    transform: translateY(-8px) rotate(-45deg);
  }

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

  .hero-grid,
  .relaunch-grid,
  .split-grid,
  .proposition-grid,
  .ecosystem-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .signal-card--app {
    max-width: none;
  }

  .relaunch-copy {
    padding-top: 0;
  }

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

  .site-footer p {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 86px 0;
  }

  .container {
    padding: 0 18px;
  }

  .site-header {
    padding: 14px 0;
  }

  .brand img {
    height: 46px;
    width: 46px;
  }

  .brand span {
    font-size: 1rem;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 14vw, 4.2rem);
  }

  .signal-card,
  .prop-card,
  .system-card,
  .step-card,
  .benefit-panel {
    border-radius: 22px;
    padding: 24px;
  }

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

  .btn {
    min-width: 0;
  }

  .hero-flow {
    gap: 10px;
  }

  .hero-flow span {
    width: 100%;
  }

  .hero-flow span::after {
    margin-left: auto;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }

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