:root {
  --bg: #edf3fb;
  --bg-alt: #e0ebf6;
  --surface: #ffffff;
  --surface-alt: #f4f8fd;
  --ink: #102033;
  --muted: #617287;
  --line: rgba(130, 157, 187, 0.28);
  --accent: #107d7a;
  --accent-strong: #0d5f7f;
  --accent-warm: #ef7658;
  --accent-blue: #2c69ee;
  --shadow: 0 24px 70px rgba(16, 24, 38, 0.1);
  --shadow-soft: 0 12px 28px rgba(34, 57, 94, 0.08);
  --radius: 16px;
  --content-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(44, 105, 238, 0.12), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(16, 125, 122, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(13, 123, 120, 0.04), transparent 220px),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 24, 38, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 38, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 90%);
}

.ambient {
  position: fixed;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(22px);
  opacity: 0.58;
  z-index: 0;
}

.ambient-one {
  top: 110px;
  left: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(44, 105, 238, 0.2), transparent 68%);
}

.ambient-two {
  top: 540px;
  right: -70px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(16, 125, 122, 0.18), transparent 72%);
}

.ambient-three {
  bottom: 120px;
  left: 22%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(239, 118, 88, 0.12), transparent 72%);
}

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

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

.page-shell {
  position: relative;
  width: min(var(--content-width), calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 72px;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow:
    0 20px 45px rgba(15, 31, 59, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-cube {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 5px;
  border-radius: 10px;
  background: linear-gradient(180deg, #f3f6fb, #dbe3ef);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 8px 20px rgba(20, 44, 79, 0.12);
}

.brand-cube-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-wordmark {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  position: relative;
  transition: color 180ms ease;
}

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

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 220ms ease;
}

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

.section,
.hero {
  padding-top: 88px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  gap: 34px;
  align-items: start;
  min-height: calc(100vh - 132px);
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
.section-heading h2,
.panel-heading h2,
.cta-card h2,
.login-panel-heading h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  font-size: 4.4rem;
  line-height: 0.97;
  text-wrap: balance;
}

.hero-text,
.section-text,
.product-card p,
.workflow-step p,
.plan-card li,
.signal-card p,
.access-points li,
.login-status,
.cta-card p,
.hero-panel p,
.panel-list li,
.message-pill {
  color: var(--muted);
  line-height: 1.65;
}

.hero-text {
  max-width: 58ch;
  margin-top: 22px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #f7fffe;
  box-shadow: 0 16px 34px rgba(16, 125, 122, 0.22);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.hero-metrics li {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(246, 250, 255, 0.76));
  box-shadow: var(--shadow-soft);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.15rem;
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-content: start;
}

.hero-panel,
.product-card,
.workflow-step,
.plan-card,
.signal-card,
.login-panel,
.cta-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow:
    0 22px 60px rgba(18, 36, 62, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.hero-panel {
  min-height: 240px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(248, 251, 255, 0.96), rgba(255, 255, 255, 0.92));
  overflow: hidden;
  position: relative;
}

.hero-panel::before,
.product-card::before,
.plan-card::before,
.signal-card::before,
.workflow-step::before,
.login-panel::before,
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 110px;
  height: 110px;
  background: radial-gradient(circle, rgba(44, 105, 238, 0.12), transparent 72%);
  pointer-events: none;
}

.product-card,
.workflow-step,
.plan-card,
.signal-card,
.login-panel,
.cta-card {
  position: relative;
  overflow: hidden;
}

.hero-panel-wide {
  grid-column: 1 / -1;
  min-height: 0;
}

.panel-heading {
  display: grid;
  gap: 8px;
}

.panel-label,
.plan-kicker {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-panel h2,
.hero-panel h3,
.product-card h3,
.workflow-step h3,
.plan-card h3,
.signal-card h3 {
  margin: 0;
  font-size: 1.34rem;
  line-height: 1.2;
}

.build-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.build-strip span,
.feature-tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(244, 248, 253, 0.96);
  font-size: 0.82rem;
  color: var(--muted);
}

.panel-list,
.plan-list,
.access-points {
  margin: 16px 0 0;
  padding-left: 18px;
}

.message-stack {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.message-pill {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(244, 248, 253, 0.96);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading h2,
.cta-card h2,
.login-panel-heading h2 {
  font-size: 3rem;
  line-height: 1.02;
}

.section-text {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 1rem;
}

.section-alt {
  padding-bottom: 6px;
}

.section-screens {
  position: relative;
}

.screen-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 26px;
  align-items: center;
}

.screen-copy {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(242, 247, 255, 0.88));
  box-shadow: var(--shadow);
}

.screen-copy h3 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.08;
}

.screen-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.screen-points {
  margin: 20px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.screen-stack {
  position: relative;
  min-height: 1100px;
}

.device-card {
  position: absolute;
  width: min(100%, 460px);
  margin: 0;
  padding: 18px 18px 16px;
  border: 1px solid rgba(130, 157, 187, 0.22);
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 34px 80px rgba(21, 36, 65, 0.18);
  backdrop-filter: blur(12px);
}

.device-card::before {
  content: "";
  position: absolute;
  inset: -12% 18% auto;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(44, 105, 238, 0.18), transparent 72%);
  filter: blur(20px);
  z-index: -1;
}

.device-card img {
  width: 100%;
  border-radius: 24px;
}

.device-card figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.device-card-main {
  top: 0;
  right: 52px;
  transform: rotate(-4deg);
}

.device-card-offset {
  right: 0;
  bottom: 0;
  transform: rotate(5deg);
}

.product-grid,
.workflow-grid,
.plan-grid,
.signal-grid {
  display: grid;
  gap: 16px;
}

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

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

.product-card,
.workflow-step,
.plan-card,
.signal-card {
  padding: 24px;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.product-card:hover,
.workflow-step:hover,
.plan-card:hover,
.signal-card:hover,
.hero-panel:hover,
.login-panel:hover {
  transform: translateY(-4px);
  box-shadow:
    0 26px 74px rgba(20, 44, 79, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
  border-color: rgba(44, 105, 238, 0.22);
}

.feature-tag {
  margin-bottom: 16px;
}

.step-index {
  margin: 0 0 12px;
  font-size: 1.9rem;
  font-family: "Fraunces", serif;
  color: var(--accent-blue);
}

.access-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: start;
}

.access-copy {
  padding: 10px 0;
}

.login-panel {
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(240, 247, 255, 0.84));
}

.login-panel-heading {
  display: grid;
  gap: 8px;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.94rem;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  color: var(--ink);
  font: inherit;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.field input:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background: #ffffff;
}

.login-submit {
  width: 100%;
  margin-top: 4px;
}

.login-status {
  min-height: 1.5em;
  margin: 2px 0 0;
}

.login-status.is-error {
  color: #b42318;
}

.login-status.is-success {
  color: #11715b;
}

.cta-section {
  padding-bottom: 24px;
}

.cta-card {
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(13, 123, 120, 0.12), rgba(44, 105, 238, 0.1)),
    #ffffff;
}

.cta-card h2 {
  max-width: 12ch;
  margin-top: 6px;
}

.cta-card p {
  max-width: 60ch;
  margin: 14px 0 0;
}

.reveal {
  opacity: 0;
  --float-offset: 0px;
  transform: translateY(calc(28px + var(--float-offset))) scale(0.985);
  transition:
    opacity 820ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 820ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(var(--float-offset)) scale(1);
}

.scroll-float {
  will-change: transform;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}

@media (max-width: 1080px) {
  h1 {
    font-size: 3.7rem;
  }

  .section-heading h2,
  .cta-card h2,
  .login-panel-heading h2 {
    font-size: 2.5rem;
  }

  .hero,
  .product-grid,
  .workflow-grid,
  .plan-grid,
  .signal-grid,
  .access-layout,
  .screen-showcase {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .screen-stack {
    display: grid;
    gap: 18px;
    min-height: 0;
  }

  .device-card {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    width: min(100%, 520px);
    margin: 0 auto;
    transform: none;
  }

  .ambient-two {
    right: -120px;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, var(--content-width));
  }

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

  .nav {
    gap: 14px;
  }

  .section,
  .hero {
    padding-top: 64px;
  }

  h1 {
    max-width: none;
    font-size: 2.85rem;
  }

  .section-heading h2,
  .cta-card h2,
  .login-panel-heading h2 {
    font-size: 2.1rem;
  }

  .hero-metrics,
  .hero-visual {
    grid-template-columns: 1fr;
  }

  .screen-copy {
    padding: 22px;
  }

  .screen-copy h3 {
    font-size: 1.7rem;
  }

  .hero-panel-wide {
    grid-column: auto;
  }

  .product-card,
  .workflow-step,
  .plan-card,
  .signal-card,
  .login-panel,
  .cta-card,
  .hero-panel {
    padding: 20px;
  }
}