:root {
  color-scheme: light;
  --page: #f4f7fb;
  --page-deep: #eaf0f8;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-solid: #ffffff;
  --surface-blue: #edf4ff;
  --ink: #10213d;
  --ink-strong: #09162b;
  --muted: #596981;
  --faint: #7d8a9d;
  --line: rgba(20, 48, 91, 0.12);
  --line-strong: rgba(20, 48, 91, 0.2);
  --blue: #2868e8;
  --blue-dark: #174db9;
  --blue-soft: #dbe9ff;
  --cyan: #38b9d7;
  --green: #209f73;
  --amber: #d98c19;
  --red: #d3515f;
  --shadow-sm: 0 12px 30px rgba(19, 42, 79, 0.08);
  --shadow-lg: 0 28px 80px rgba(19, 42, 79, 0.13);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgba(56, 185, 215, 0.13), transparent 25rem),
    radial-gradient(circle at 92% 8%, rgba(40, 104, 232, 0.15), transparent 29rem),
    linear-gradient(180deg, #fbfdff 0%, var(--page) 52%, var(--page-deep) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue-dark);
}

code {
  overflow-wrap: anywhere;
  color: var(--blue-dark);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.91em;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: #fff;
  background: var(--ink-strong);
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 0.9rem 0;
  background: rgba(249, 252, 255, 0.75);
  border-bottom: 1px solid rgba(20, 48, 91, 0.07);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.nav-bar,
.nav-links,
.brand,
.hero-actions,
.footer-links,
.trust-row,
.section-heading-row,
.support-meta {
  display: flex;
  align-items: center;
}

.nav-bar {
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  gap: 0.72rem;
  color: var(--ink-strong);
  font-size: 1.02rem;
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink-strong);
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, #4d90ff 0%, var(--blue) 55%, var(--blue-dark) 100%);
  border: 1px solid rgba(14, 56, 146, 0.34);
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(40, 104, 232, 0.22), inset 0 1px rgba(255, 255, 255, 0.42);
}

.brand-mark svg {
  width: 1.35rem;
  height: 1.35rem;
}

.nav-links {
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.52rem 0.78rem;
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 620;
  text-decoration: none;
  transition: color 150ms ease, background-color 150ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink-strong);
  background: rgba(40, 104, 232, 0.08);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 7rem);
}

.hero::before {
  position: absolute;
  top: 5%;
  left: 50%;
  width: min(62rem, 92vw);
  height: min(30rem, 60vw);
  background: radial-gradient(ellipse, rgba(78, 143, 255, 0.14), transparent 70%);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.75fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.eyebrow,
.status-pill,
.feature-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  color: var(--blue-dark);
  font-size: 0.77rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  padding: 0.46rem 0.74rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(40, 104, 232, 0.14);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.eyebrow-dot {
  width: 0.46rem;
  height: 0.46rem;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(32, 159, 115, 0.11);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

h1 {
  max-width: 12ch;
  margin: 1.35rem 0 1.2rem;
  font-size: clamp(3.25rem, 7.6vw, 6.6rem);
  font-weight: 820;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 790;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.22rem;
  font-weight: 730;
}

.hero-lead {
  max-width: 38rem;
  margin-bottom: 1.7rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.62;
}

.hero-actions {
  gap: 0.75rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.05rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(150deg, #397cf6, var(--blue-dark));
  border-color: transparent;
  box-shadow: 0 13px 30px rgba(40, 104, 232, 0.25);
}

.button-primary:hover {
  color: #fff;
  box-shadow: 0 17px 36px rgba(40, 104, 232, 0.31);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
}

.trust-row {
  gap: 0.7rem 1.2rem;
  padding: 0;
  margin-top: 1.65rem;
  color: var(--muted);
  flex-wrap: wrap;
  font-size: 0.86rem;
  font-weight: 610;
  list-style: none;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.trust-icon {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  color: var(--green);
  background: rgba(32, 159, 115, 0.1);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 800;
}

.device-wrap {
  position: relative;
  max-width: 23.5rem;
  margin-inline: auto;
}

.device-glow {
  position: absolute;
  inset: 12% -16% 8%;
  background: linear-gradient(145deg, rgba(56, 185, 215, 0.22), rgba(40, 104, 232, 0.23));
  border-radius: 42%;
  filter: blur(38px);
}

.device {
  position: relative;
  padding: 0.62rem;
  background: linear-gradient(150deg, #1c2a40, #07101e 70%);
  border: 1px solid rgba(9, 22, 43, 0.92);
  border-radius: 3rem;
  box-shadow: 0 38px 90px rgba(12, 28, 55, 0.28), inset 0 1px rgba(255, 255, 255, 0.22);
  transform: rotate(2deg);
}

.device-screen {
  min-height: 33rem;
  padding: 1.1rem;
  background:
    radial-gradient(circle at 88% 3%, rgba(86, 153, 255, 0.22), transparent 11rem),
    linear-gradient(180deg, #f8fbff, #edf3fb);
  border-radius: 2.42rem;
}

.device-notch {
  width: 5.2rem;
  height: 1.22rem;
  margin: -0.44rem auto 1.2rem;
  background: #07101e;
  border-radius: 0 0 1rem 1rem;
}

.screen-label {
  color: var(--faint);
  font-size: 0.69rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.screen-title {
  margin: 0.25rem 0 1rem;
  color: var(--ink-strong);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.metric-card,
.signal-card,
.mini-card {
  background: rgba(255, 255, 255, 0.89);
  border: 1px solid rgba(20, 48, 91, 0.09);
  box-shadow: 0 8px 25px rgba(19, 42, 79, 0.07);
}

.metric-card {
  margin-bottom: 0.72rem;
  padding: 0.95rem;
  border-radius: 1.15rem;
}

.metric-row,
.signal-top,
.mini-grid {
  display: grid;
}

.metric-row {
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

.metric-label {
  color: var(--faint);
  font-size: 0.67rem;
  font-weight: 680;
}

.metric-value {
  display: block;
  margin-top: 0.15rem;
  color: var(--ink-strong);
  font-size: 1.35rem;
  font-weight: 790;
  letter-spacing: -0.04em;
}

.chart {
  display: flex;
  height: 4.6rem;
  align-items: end;
  gap: 0.32rem;
  margin-top: 0.8rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.chart span {
  width: 100%;
  height: var(--height);
  min-height: 0.45rem;
  background: linear-gradient(180deg, #67a2ff, var(--blue));
  border-radius: 999px 999px 3px 3px;
  opacity: var(--opacity, 1);
}

.chart-bar-1 {
  --height: 44%;
  --opacity: 0.56;
}

.chart-bar-2 {
  --height: 61%;
  --opacity: 0.64;
}

.chart-bar-3 {
  --height: 52%;
  --opacity: 0.7;
}

.chart-bar-4 {
  --height: 75%;
  --opacity: 0.78;
}

.chart-bar-5 {
  --height: 84%;
  --opacity: 0.86;
}

.chart-bar-6 {
  --height: 72%;
  --opacity: 0.92;
}

.chart-bar-7 {
  --height: 93%;
}

.signal-card {
  padding: 0.88rem;
  border-radius: 1.05rem;
}

.signal-top {
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: center;
}

.signal-badge {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: var(--red);
  background: rgba(211, 81, 95, 0.1);
  border-radius: 0.68rem;
  font-size: 0.9rem;
  font-weight: 820;
}

.signal-title {
  color: var(--ink-strong);
  font-size: 0.78rem;
  font-weight: 760;
}

.signal-copy {
  margin: 0.18rem 0 0;
  color: var(--muted);
  font-size: 0.67rem;
  line-height: 1.35;
}

.mini-grid {
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.72rem;
}

.mini-card {
  padding: 0.75rem;
  border-radius: 0.95rem;
}

.mini-card strong {
  display: block;
  color: var(--ink-strong);
  font-size: 0.88rem;
}

.mini-card span {
  color: var(--faint);
  font-size: 0.64rem;
}

.section {
  padding: clamp(4.2rem, 8vw, 7.2rem) 0;
}

.section-muted {
  border-block: 1px solid rgba(20, 48, 91, 0.07);
  background: rgba(255, 255, 255, 0.48);
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 2.35rem;
}

.section-heading p,
.section-lead {
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid,
.principle-grid,
.process-grid,
.support-grid {
  display: grid;
  gap: 1rem;
}

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

.feature-card,
.principle-card,
.process-card,
.support-card,
.legal-content,
.legal-aside,
.scope-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.feature-card,
.principle-card,
.process-card,
.support-card {
  padding: 1.45rem;
  border-radius: var(--radius-md);
}

.feature-icon {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  margin-bottom: 1.5rem;
  place-items: center;
  color: var(--blue-dark);
  background: var(--surface-blue);
  border: 1px solid rgba(40, 104, 232, 0.11);
  border-radius: 0.88rem;
  font-size: 0.98rem;
  font-weight: 820;
}

.feature-card p,
.principle-card p,
.process-card p,
.support-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.scope-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.scope-panel {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.scope-panel-top {
  padding: 1.2rem 1.4rem;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
}

.scope-panel-top span {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
  font-weight: 720;
  letter-spacing: 0.09em;
  opacity: 0.8;
  text-transform: uppercase;
}

.scope-panel-top code {
  color: #fff;
  font-size: 0.84rem;
}

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

.scope-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 1.05rem 1.4rem;
  border-top: 1px solid var(--line);
}

.scope-list li:first-child {
  border-top: 0;
}

.scope-check {
  color: var(--green);
  font-weight: 850;
}

.scope-list strong {
  display: block;
  margin-bottom: 0.08rem;
  color: var(--ink-strong);
}

.scope-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

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

.principle-number {
  display: inline-flex;
  margin-bottom: 1.8rem;
  color: var(--blue);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 750;
}

.process-grid {
  grid-template-columns: repeat(3, 1fr);
  counter-reset: steps;
}

.process-card {
  position: relative;
  counter-increment: steps;
}

.process-card::before {
  display: grid;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1.2rem;
  place-items: center;
  color: #fff;
  background: var(--ink-strong);
  border-radius: 50%;
  content: counter(steps);
  font-size: 0.76rem;
  font-weight: 780;
}

.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.4rem);
  color: #fff;
  background:
    radial-gradient(circle at 95% 0, rgba(93, 176, 255, 0.32), transparent 24rem),
    linear-gradient(135deg, #143261, #081a35 70%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.cta-band h2,
.cta-band p {
  max-width: 45rem;
  color: #fff;
}

.cta-band p {
  margin-bottom: 1.35rem;
  opacity: 0.76;
}

.cta-band .button-secondary {
  color: var(--ink-strong);
  background: #fff;
}

.page-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 2.7rem;
}

.page-hero h1 {
  max-width: 15ch;
  margin-bottom: 1rem;
  font-size: clamp(3rem, 6vw, 5.4rem);
}

.page-hero p {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.status-pill {
  padding: 0.42rem 0.68rem;
  background: var(--blue-soft);
  border-radius: 999px;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 15.5rem) minmax(0, 48rem);
  gap: 1.25rem;
  align-items: start;
  justify-content: center;
  padding-bottom: clamp(4.5rem, 9vw, 8rem);
}

.legal-aside {
  position: sticky;
  top: 5.8rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.legal-aside strong {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--ink-strong);
  font-size: 0.84rem;
}

.legal-aside a {
  display: block;
  padding: 0.42rem 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.legal-aside a:hover {
  color: var(--blue-dark);
}

.legal-content {
  padding: clamp(1.5rem, 4vw, 3.1rem);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.legal-content section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 6.5rem;
}

.legal-content section:first-child {
  padding-top: 0;
  border-top: 0;
}

.legal-content section:last-child {
  padding-bottom: 0;
}

.legal-content h2 {
  font-size: clamp(1.55rem, 3vw, 2rem);
}

.legal-content h3 {
  margin-top: 1.5rem;
  font-size: 1.08rem;
  letter-spacing: -0.025em;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
}

.legal-content ul,
.legal-content ol {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.legal-content li + li {
  margin-top: 0.55rem;
}

.legal-content a,
.inline-link {
  color: var(--blue-dark);
  font-weight: 650;
}

.notice {
  margin: 1.2rem 0;
  padding: 1.05rem 1.15rem;
  color: var(--ink);
  background: var(--surface-blue);
  border: 1px solid rgba(40, 104, 232, 0.16);
  border-radius: var(--radius-sm);
}

.notice strong {
  color: var(--ink-strong);
}

.notice p:last-child {
  margin-bottom: 0;
}

.support-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1.25rem;
}

.support-card h3 {
  font-size: 1.05rem;
}

.support-meta {
  gap: 0.65rem;
  padding: 0;
  flex-wrap: wrap;
  list-style: none;
}

.support-tag {
  display: inline-flex;
  padding: 0.3rem 0.55rem;
  color: var(--blue-dark);
  background: var(--surface-blue);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.site-footer {
  padding: 2rem 0 2.8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.footer-copy {
  max-width: 39rem;
}

.footer-copy strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink-strong);
}

.footer-copy p {
  margin-bottom: 0.45rem;
}

.footer-links {
  gap: 0.7rem 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  color: var(--ink);
  font-weight: 650;
}

.footer-legal {
  margin: 1.7rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
}

:focus-visible {
  outline: 3px solid rgba(40, 104, 232, 0.42);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .hero-grid,
  .scope-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy .eyebrow,
  .hero-actions,
  .trust-row {
    margin-inline: auto;
    justify-content: center;
  }

  h1,
  .hero-lead {
    margin-inline: auto;
  }

  .device-wrap {
    width: min(23rem, 85vw);
  }

  .feature-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
    display: flex;
    gap: 0.35rem 1rem;
    overflow-x: auto;
  }

  .legal-aside strong {
    display: none;
  }

  .legal-aside a {
    flex: 0 0 auto;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 1.3rem, var(--container));
  }

  .site-header {
    padding: 0.55rem 0;
  }

  .nav-bar {
    align-items: flex-start;
  }

  .brand {
    padding-top: 0.16rem;
  }

  .nav-links {
    flex-wrap: wrap;
    max-width: 12.5rem;
    justify-content: flex-end;
  }

  .nav-links a {
    padding: 0.34rem 0.48rem;
    font-size: 0.8rem;
  }

  .brand-mark {
    width: 2rem;
    height: 2rem;
    border-radius: 10px;
  }

  .brand-mark svg {
    width: 1.1rem;
    height: 1.1rem;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.5rem);
  }

  .device {
    transform: none;
  }

  .device-screen {
    min-height: 30.5rem;
  }

  .principle-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}