:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6b7a;
  --soft: #f6f8fb;
  --line: #dfe7f0;
  --navy: #0f172a;
  --orange: #f97316;
  --orange-soft: #fff3e8;
  --blue: #2563eb;
  --blue-soft: #eaf2ff;
  --green: #10b981;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

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

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(223, 231, 240, 0.9);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  padding: 14px 5vw;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
}

.policy-header {
  position: sticky;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  font-weight: 800;
  min-width: max-content;
}

.brand img {
  border-radius: 8px;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  align-items: center;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.98), rgba(255, 255, 255, 0.98));
  display: grid;
  isolation: isolate;
  min-height: 88vh;
  overflow: hidden;
  padding: 116px 5vw 70px;
  position: relative;
}

.hero::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff);
  bottom: 0;
  content: "";
  height: 120px;
  left: 0;
  position: absolute;
  right: 0;
  z-index: -1;
}

.hero-copy {
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--orange);
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 12px;
  text-transform: uppercase;
}

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

h1 {
  color: var(--navy);
  font-size: 5.6rem;
  line-height: 0.95;
  margin-bottom: 24px;
  max-width: 820px;
}

.hero-copy p {
  color: #344054;
  font-size: 1.22rem;
  max-width: 610px;
}

.hero-actions,
.footer-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
}

.button-primary {
  background: var(--navy);
  color: var(--white);
}

.button-secondary {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
}

.button-light {
  background: var(--white);
  color: var(--navy);
  min-width: 190px;
}

.hero-visual {
  inset: 0;
  overflow: hidden;
  position: absolute;
  z-index: 1;
}

.signal-grid {
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  inset: 0;
  mask-image: linear-gradient(90deg, transparent, #000 36%, #000 100%);
  position: absolute;
}

.hero-art {
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(37, 99, 235, 0.24);
  margin: 0;
  overflow: hidden;
  position: absolute;
  right: 5vw;
  top: 132px;
  width: min(680px, 52vw);
}

.hero-art img {
  height: auto;
  width: 100%;
}

.phone {
  background: linear-gradient(180deg, #fafbff, #eef4fa);
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 28px;
  box-shadow: var(--shadow);
  position: absolute;
}

.phone-primary {
  height: 560px;
  padding: 22px;
  right: 8vw;
  top: 96px;
  transform: rotate(3deg);
  width: 300px;
}

.phone-secondary {
  align-items: center;
  bottom: 42px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 330px;
  justify-content: center;
  padding: 28px;
  right: 28vw;
  transform: rotate(-7deg);
  width: 190px;
}

.phone-secondary img {
  border-radius: 24px;
  width: 78px;
}

.phone-secondary span {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.progress-track {
  background: var(--line);
  border-radius: 999px;
  height: 8px;
  margin-top: 18px;
  overflow: hidden;
  width: 100%;
}

.progress-track i {
  background: linear-gradient(90deg, var(--orange), var(--green));
  display: block;
  height: 100%;
  width: 72%;
}

.phone-status,
.node-row,
.mini-header {
  align-items: center;
  display: flex;
  gap: 10px;
}

.phone-status img,
.mini-header img {
  border-radius: 8px;
  width: 42px;
}

.phone-status div,
.mini-header div {
  display: grid;
  flex: 1;
}

.phone-status span,
.mini-header span {
  color: var(--muted);
  font-size: 0.78rem;
}

.phone-status b,
.mini-header b {
  background: var(--blue-soft);
  border-radius: 999px;
  color: var(--blue);
  font-size: 0.76rem;
  padding: 5px 9px;
}

.power-zone {
  display: grid;
  height: 210px;
  margin: 36px auto 10px;
  place-items: center;
  position: relative;
}

.pulse-ring {
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: 50%;
  height: 178px;
  position: absolute;
  width: 178px;
}

.power-button,
.mini-button {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 18px 34px rgba(17, 24, 39, 0.16);
  display: grid;
  place-items: center;
}

.power-button {
  height: 126px;
  width: 126px;
}

.power-button span,
.mini-button::before {
  border: 8px solid var(--green);
  border-top-color: transparent;
  border-radius: 50%;
  display: block;
  height: 44px;
  position: relative;
  width: 44px;
}

.power-button span::before,
.mini-button::after {
  background: var(--green);
  border-radius: 999px;
  content: "";
  height: 34px;
  left: calc(50% - 4px);
  position: absolute;
  top: -16px;
  width: 8px;
}

.connection-state {
  color: var(--green);
  font-size: 1.3rem;
  font-weight: 850;
  text-align: center;
}

.phone-primary p {
  color: var(--muted);
  text-align: center;
}

.node-row {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 30px;
  padding: 16px;
}

.node-row span {
  background: var(--orange-soft);
  border-radius: 8px;
  color: var(--orange);
  font-weight: 900;
  padding: 8px;
}

.node-row div {
  display: grid;
  flex: 1;
}

.node-row em {
  color: var(--muted);
  font-style: normal;
}

.overview-band {
  background: var(--navy);
  color: var(--white);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, 1fr);
}

.metric {
  background: rgba(255, 255, 255, 0.055);
  min-height: 132px;
  padding: 28px 5vw;
}

.metric span {
  color: #aeb9ca;
  display: block;
  font-size: 0.86rem;
  margin-bottom: 8px;
}

.metric strong {
  font-size: 1.08rem;
}

.section,
.product-section,
.privacy-band,
.cta-section,
.policy-main {
  padding: 88px 5vw;
}

.section-heading {
  max-width: 760px;
}

h2 {
  color: var(--navy);
  font-size: 2.7rem;
  line-height: 1.08;
  margin-bottom: 18px;
}

.section-heading p,
.product-copy p,
.privacy-band p,
.policy-article p,
.policy-article li {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 38px;
}

.feature-card,
.steps article,
.faq-list details,
.app-shot,
.app-screen {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 250px;
  padding: 24px;
}

.feature-card span,
.steps span {
  color: var(--blue);
  font-weight: 850;
}

.feature-card h3,
.steps h3 {
  font-size: 1.28rem;
  margin: 22px 0 10px;
}

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

.product-section {
  align-items: center;
  background: var(--soft);
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(280px, 0.85fr) minmax(360px, 1.15fr);
}

.check-list {
  color: var(--muted);
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.check-list li {
  align-items: center;
  display: flex;
  gap: 10px;
}

.check-list li::before {
  background: var(--green);
  border-radius: 999px;
  content: "";
  flex: 0 0 8px;
  height: 8px;
  width: 8px;
}

.screen-gallery {
  align-items: stretch;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
}

.app-shot,
.app-screen,
.store-shot {
  min-height: 360px;
  padding: 20px;
}

.app-shot {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-shot img {
  border-radius: 28px;
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.15);
  width: 148px;
}

figcaption {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 16px;
  text-align: center;
}

.app-screen {
  background: linear-gradient(180deg, #fafbff, #eef4fa);
  display: flex;
  flex-direction: column;
}

.store-shot {
  background: linear-gradient(180deg, #eef5ff, #ffffff);
  margin: 0;
  overflow: hidden;
}

.store-shot img {
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
  height: 440px;
  object-fit: contain;
  object-position: top center;
  width: 100%;
}

.app-screen-alt .mini-header b {
  background: rgba(16, 185, 129, 0.12);
  color: var(--green);
}

.mini-button {
  height: 116px;
  margin: 34px auto 16px;
  width: 116px;
}

.mini-button::before {
  content: "";
  height: 34px;
  width: 34px;
}

.app-screen > strong {
  color: #8d96a6;
  font-size: 1.12rem;
  text-align: center;
}

.app-screen-alt > strong {
  color: var(--green);
}

.app-screen > span {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.mini-node {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding: 14px;
}

.mini-node em {
  color: var(--blue);
  font-style: normal;
  font-weight: 800;
}

.section-steps {
  background: var(--white);
}

.steps {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
}

.steps article {
  padding: 24px;
}

.privacy-band {
  align-items: center;
  background: var(--navy);
  color: var(--white);
  display: flex;
  gap: 32px;
  justify-content: space-between;
}

.privacy-band div {
  max-width: 760px;
}

.privacy-band h2,
.cta-section h2 {
  color: inherit;
}

.privacy-band p {
  color: #cbd5e1;
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 34px;
  max-width: 900px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  color: var(--muted);
  margin: 12px 0 0;
}

.cta-section {
  background: var(--orange-soft);
  text-align: center;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 26px 5vw;
}

.footer-links {
  color: var(--muted);
  font-size: 0.94rem;
}

.policy-main {
  background: var(--soft);
  padding-top: 68px;
}

.policy-article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 auto;
  max-width: 920px;
  padding: 44px;
}

.policy-article h1 {
  font-size: 3rem;
  line-height: 1.05;
}

.policy-date {
  color: var(--orange);
  font-weight: 800;
}

.policy-article h2 {
  font-size: 1.45rem;
  margin-top: 34px;
}

.policy-article a {
  color: var(--blue);
  font-weight: 800;
}

.policy-article ul {
  padding-left: 22px;
}

.policy-article li + li {
  margin-top: 10px;
}

@media (max-width: 1120px) {
  .hero-art {
    opacity: 0.72;
    right: -120px;
    width: 700px;
  }

  .phone-primary {
    opacity: 0.78;
    right: -24px;
  }

  .phone-secondary {
    opacity: 0.72;
    right: 26vw;
  }

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

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

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

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 12px 18px;
  }

  .nav-links {
    gap: 12px;
    font-size: 0.86rem;
  }

  .hero {
    min-height: 88svh;
    padding: 150px 18px 58px;
  }

  .phone-primary {
    height: 430px;
    opacity: 0.26;
    right: -120px;
    top: 140px;
    width: 240px;
  }

  .phone-secondary {
    bottom: 10px;
    opacity: 0.22;
    right: 32px;
  }

  .hero-art {
    opacity: 0.22;
    right: -220px;
    top: 110px;
    width: 620px;
  }

  h1 {
    font-size: 3.9rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .hero-copy p {
    font-size: 1.04rem;
  }

  .overview-band,
  .feature-grid,
  .steps,
  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 108px;
    padding: 24px 18px;
  }

  .section,
  .product-section,
  .privacy-band,
  .cta-section,
  .policy-main {
    padding: 62px 18px;
  }

  .privacy-band,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .policy-article {
    padding: 26px;
  }

  .policy-article h1 {
    font-size: 2.35rem;
  }
}
