:root {
  --ink: #071221;
  --muted: #526074;
  --blue: #0d4f91;
  --blue-deep: #072e59;
  --blue-bright: #2a8ddd;
  --ice: #edf5fb;
  --paper: #f8fbfd;
  --white: #ffffff;
  --line: rgba(7, 18, 33, 0.1);
  --shadow: 0 30px 80px rgba(3, 30, 58, 0.14);
  --radius: 28px;
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  background-image:
    linear-gradient(rgba(7, 18, 33, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 18, 33, 0.028) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-glow {
  position: absolute;
  z-index: -2;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(1px);
  pointer-events: none;
}

.page-glow--one {
  top: -210px;
  right: -160px;
  background: radial-gradient(circle, rgba(64, 160, 226, 0.19), transparent 70%);
}

.page-glow--two {
  top: 540px;
  left: -360px;
  background: radial-gradient(circle, rgba(29, 99, 165, 0.12), transparent 70%);
}

.site-header,
.hero,
.trust-strip,
.section,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  margin-top: 18px;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  background: rgba(248, 251, 253, 0.76);
  box-shadow: 0 10px 34px rgba(5, 31, 60, 0.06);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(248, 251, 253, 0.94);
  box-shadow: 0 12px 40px rgba(5, 31, 60, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #334054;
  font-size: 14px;
  font-weight: 560;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
}

.site-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav > a:not(.nav-cta):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 13px 18px;
  color: var(--white);
  border-radius: 12px;
  background: var(--ink);
  transition: transform 180ms ease, background 180ms ease;
}

.nav-cta:hover {
  background: var(--blue);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 0;
  border-radius: 11px;
  background: var(--ink);
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  border-radius: 2px;
  background: white;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  min-height: calc(100vh - 104px);
  padding: 90px 0 72px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-right: 42px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
p {
  text-wrap: balance;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(58px, 6.1vw, 92px);
  font-weight: 670;
  line-height: 0.96;
  letter-spacing: -0.065em;
}

h1 em {
  display: block;
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.hero-lede {
  max-width: 590px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 54px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button--primary {
  color: white;
  background: var(--blue);
  box-shadow: 0 15px 32px rgba(13, 79, 145, 0.22);
}

.button--primary:hover {
  box-shadow: 0 18px 38px rgba(13, 79, 145, 0.3);
}

.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
  color: #6d7888;
  font-size: 12px;
}

.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #39a977;
}

.status-dot::after {
  position: absolute;
  inset: -4px;
  content: "";
  border: 1px solid rgba(57, 169, 119, 0.35);
  border-radius: inherit;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 610px;
}

.hero-visual::before {
  position: absolute;
  width: 460px;
  height: 460px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle at 45% 40%, white 0, #e6f1f9 58%, #d9eaf6 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.78), var(--shadow);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(13, 79, 145, 0.13);
  border-radius: 50%;
}

.orbit::after {
  position: absolute;
  top: 13%;
  right: 12%;
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 0 7px rgba(42, 141, 221, 0.11);
}

.orbit--outer {
  width: 570px;
  height: 570px;
  animation: rotate 22s linear infinite;
}

.orbit--inner {
  width: 510px;
  height: 510px;
  opacity: 0.55;
  animation: rotate 17s linear infinite reverse;
}

.logo-stage {
  position: relative;
  z-index: 2;
  width: min(470px, 90%);
  animation: float 6s ease-in-out infinite;
}

.logo-stage img {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 22px 22px rgba(3, 33, 63, 0.17));
}

.logo-shadow {
  position: absolute;
  right: 14%;
  bottom: 2%;
  left: 14%;
  height: 12%;
  border-radius: 50%;
  background: rgba(1, 25, 49, 0.18);
  filter: blur(18px);
}

.floating-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 176px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.83);
  box-shadow: 0 18px 40px rgba(5, 39, 72, 0.13);
  backdrop-filter: blur(14px);
  font-size: 12px;
  font-weight: 700;
}

.floating-card small {
  display: block;
  margin-bottom: 3px;
  color: #758196;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.floating-card--top {
  top: 20%;
  right: -1%;
}

.floating-card--bottom {
  bottom: 18%;
  left: -3%;
}

.floating-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: white;
  border-radius: 10px;
  background: var(--blue);
  font-size: 18px;
}

.pulse-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  width: 38px;
  height: 38px;
  padding: 10px;
  border-radius: 11px;
  background: var(--ice);
}

.pulse-bars i {
  width: 3px;
  border-radius: 3px;
  background: var(--blue);
}

.pulse-bars i:nth-child(1) { height: 7px; }
.pulse-bars i:nth-child(2) { height: 15px; }
.pulse-bars i:nth-child(3) { height: 11px; }
.pulse-bars i:nth-child(4) { height: 18px; }

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #6a7687;
  font-size: 12px;
}

.trust-strip p {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.trust-strip div {
  display: flex;
  gap: 38px;
}

.trust-strip span::before {
  margin-right: 9px;
  color: var(--blue);
  content: "✦";
}

.section {
  padding: 140px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) 1.2fr;
  align-items: end;
  margin-bottom: 62px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2,
.about-copy h2,
.support-panel h2 {
  margin: 0;
  font-size: clamp(48px, 5.5vw, 76px);
  font-weight: 650;
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.section-heading > p:last-child {
  max-width: 500px;
  justify-self: end;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 370px;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.77);
  box-shadow: 0 16px 44px rgba(8, 34, 61, 0.055);
}

.feature-card--wide {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 56px 0.8fr 1.2fr;
  gap: 24px;
  align-items: center;
  min-height: 285px;
}

.feature-number {
  position: absolute;
  top: 26px;
  right: 29px;
  color: #a3afbe;
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
}

.feature-card--wide .feature-number {
  position: static;
  align-self: start;
}

.feature-card h3 {
  margin: 22px 0 12px;
  font-size: 26px;
  letter-spacing: -0.035em;
}

.feature-card--wide h3 {
  margin-top: 0;
}

.feature-card p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.link-demo {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 17px;
  border: 1px solid rgba(13, 79, 145, 0.12);
  border-radius: 14px;
  background: var(--ice);
  color: #7d8998;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.link-demo span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-demo b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: white;
  border-radius: 10px;
  background: var(--blue);
  font-size: 20px;
}

.mini-library {
  display: flex;
  gap: 12px;
  height: 150px;
  margin: -4px -5px 0;
  padding: 19px;
  border-radius: 18px;
  background: linear-gradient(135deg, #082f5a, #0f599e);
  transform: rotate(-2deg);
}

.mini-library span {
  flex: 1;
  align-self: flex-end;
  height: 72%;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 10px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
}

.mini-library span:nth-child(2) { height: 100%; }
.mini-library span:nth-child(3) { height: 84%; }

.shield {
  display: grid;
  place-items: center;
  width: 118px;
  height: 138px;
  margin: 5px auto 3px;
  color: white;
  border-radius: 56% 56% 65% 65% / 35% 35% 75% 75%;
  background: linear-gradient(145deg, #0f5ca5, #052d55);
  box-shadow: 0 18px 42px rgba(13, 79, 145, 0.24);
  font-size: 30px;
}

.responsible-use {
  margin: 26px 0 0;
  color: #788494;
  font-size: 12px;
  text-align: center;
}

.about-section {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 90px;
  align-items: center;
}

.about-mark {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  overflow: hidden;
  border-radius: 40px;
  background:
    radial-gradient(circle at 50% 44%, rgba(67, 156, 220, 0.45), transparent 42%),
    linear-gradient(145deg, #041b34, #072e56 70%, #0b477d);
}

.about-mark::before,
.about-mark::after {
  position: absolute;
  width: 420px;
  height: 420px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
}

.about-mark::after {
  width: 560px;
  height: 560px;
}

.about-mark img {
  position: relative;
  z-index: 2;
  width: 88%;
  filter: drop-shadow(0 26px 28px rgba(0, 0, 0, 0.32));
  transform: rotate(-7deg) translateY(5%);
}

.about-copy > p:not(.eyebrow) {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 42px;
}

.about-values div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
}

.about-values strong,
.about-values span {
  display: block;
}

.about-values strong {
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 13px;
}

.about-values span {
  color: #6f7b8b;
  font-size: 11px;
}

.support-section {
  padding-top: 90px;
}

.support-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  padding: 70px;
  color: white;
  border-radius: 36px;
  background:
    radial-gradient(circle at 0 100%, rgba(49, 145, 213, 0.25), transparent 34%),
    linear-gradient(135deg, #06192f, #092d52 62%, #0c4477);
  box-shadow: 0 38px 80px rgba(4, 31, 57, 0.2);
}

.eyebrow--light {
  color: #77c2f4;
}

.support-options {
  display: grid;
  gap: 10px;
}

.support-options a {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 78px;
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
  transition: background 180ms ease, transform 180ms ease;
}

.support-options a:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
}

.support-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: #92ccef;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.09);
  font-weight: 800;
}

.support-options strong,
.support-options small {
  display: block;
}

.support-options strong {
  margin-bottom: 5px;
  font-size: 14px;
}

.support-options small {
  color: #a8b9cb;
  font-size: 11px;
}

.support-options b {
  color: #80c5f1;
  font-size: 18px;
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 40px 0 55px;
  color: #728092;
  font-size: 11px;
}

.site-footer p {
  justify-self: center;
  margin: 0;
}

.site-footer > div {
  display: flex;
  gap: 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 750ms ease, transform 750ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal--delay {
  transition-delay: 140ms;
}

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

@keyframes float {
  0%, 100% { transform: translateY(-7px) rotate(-1deg); }
  50% { transform: translateY(10px) rotate(1deg); }
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 100px;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero-visual {
    min-height: 600px;
  }

  .about-section {
    gap: 45px;
  }

  .support-panel {
    gap: 50px;
    padding: 55px 42px;
  }
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .trust-strip,
  .section,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    top: 10px;
    margin-top: 10px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    background: rgba(248, 251, 253, 0.97);
    box-shadow: 0 20px 50px rgba(5, 31, 60, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .site-nav a {
    padding: 13px;
    border-radius: 10px;
  }

  .site-nav a:hover {
    background: var(--ice);
  }

  .nav-cta {
    margin-top: 4px;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: 90px 0 30px;
  }

  h1 {
    font-size: clamp(50px, 15vw, 68px);
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-visual {
    min-height: 475px;
  }

  .hero-visual::before {
    width: 340px;
    height: 340px;
  }

  .orbit--outer {
    width: 410px;
    height: 410px;
  }

  .orbit--inner {
    width: 370px;
    height: 370px;
  }

  .logo-stage {
    width: 360px;
  }

  .floating-card {
    min-width: 156px;
  }

  .floating-card--top {
    top: 14%;
  }

  .floating-card--bottom {
    bottom: 11%;
    left: 0;
  }

  .trust-strip,
  .trust-strip div {
    align-items: flex-start;
    flex-direction: column;
  }

  .trust-strip {
    gap: 15px;
  }

  .trust-strip div {
    gap: 10px;
  }

  .section {
    padding: 105px 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading h2,
  .about-copy h2,
  .support-panel h2 {
    font-size: clamp(44px, 13vw, 62px);
  }

  .section-heading > p:last-child {
    margin-top: 25px;
  }

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

  .feature-card--wide {
    display: block;
    grid-column: auto;
  }

  .feature-card--wide .feature-number {
    position: absolute;
  }

  .link-demo {
    margin-top: 28px;
  }

  .about-section {
    grid-template-columns: 1fr;
  }

  .about-mark {
    min-height: 440px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .support-panel {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 42px 22px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .site-footer p {
    justify-self: start;
  }
}

@media (max-width: 430px) {
  .floating-card--top {
    right: -5%;
  }

  .floating-card--bottom {
    left: -4%;
  }

  .hero-visual::before {
    width: 310px;
    height: 310px;
  }

  .orbit--outer {
    width: 370px;
    height: 370px;
  }

  .orbit--inner {
    width: 335px;
    height: 335px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
