:root {
  color-scheme: light;
  --page: #eef4f8;
  --paper: #ffffff;
  --ink: #0d1726;
  --muted: #5f6e7d;
  --line: #dce5ec;
  --blue: #1687f8;
  --blue-dark: #0862c7;
  --green: #20c778;
  --green-dark: #0b7f4a;
  --cyan: #55e4d4;
  --shadow: 0 18px 50px rgba(11, 33, 56, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body,
button,
a {
  letter-spacing: 0;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}

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

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

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

.brand span {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.site-header nav a,
.site-footer nav a {
  color: #34485b;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: var(--blue-dark);
}

main {
  padding-bottom: 32px;
}

.hero {
  position: relative;
  display: grid;
  overflow: hidden;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.72fr);
  gap: clamp(24px, 5vw, 72px);
  min-height: 650px;
  align-items: center;
  padding: clamp(42px, 8vw, 94px);
  border: 1px solid #17273a;
  border-radius: 8px;
  color: #fff;
  background: #0d1726;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: -20%;
  right: -8%;
  width: 56%;
  height: 125%;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  background: #13283c;
  content: "";
  transform: skewX(-8deg);
}

.hero__content {
  position: relative;
  z-index: 3;
  display: flex;
  max-width: 650px;
  min-height: 500px;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 850;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--cyan);
}

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

h1 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: clamp(44px, 5.2vw, 72px);
  line-height: 0.98;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(31px, 4.5vw, 52px);
  line-height: 1.05;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.2;
}

.hero__lead {
  max-width: 590px;
  margin-bottom: 28px;
  color: #bfd0de;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero__actions,
.section__actions,
.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 850;
  text-decoration: none;
  transition: transform 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.site-header a:focus-visible,
.site-footer a:focus-visible,
.text-link:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.button--primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 34px rgba(22, 135, 248, 0.28);
}

.button--primary:hover {
  background: var(--blue-dark);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.26);
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.final-cta .button--ghost {
  border-color: #bed0dc;
  color: var(--ink);
  background: #fff;
}

.section .button--ghost {
  border-color: #bed0dc;
  color: var(--ink);
  background: #fff;
}

.hero__facts {
  display: flex;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero__facts li {
  display: grid;
  gap: 3px;
  min-width: 132px;
  padding: 0 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.hero__facts li:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero__facts strong {
  font-size: 17px;
}

.hero__facts span {
  color: #9eb1c1;
  font-size: 13px;
}

.disclaimer {
  max-width: 560px;
  margin: 24px 0 0;
  color: #8fa3b5;
  font-size: 13px;
  line-height: 1.45;
}

.hero__visual {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 550px;
}

.phone {
  position: absolute;
  overflow: hidden;
  width: min(62%, 270px);
  margin: 0;
  border: 7px solid #f8fbfd;
  border-radius: 30px;
  background: #eef4f8;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.35);
}

.phone img {
  display: block;
  width: 100%;
  height: auto;
}

.phone--front {
  z-index: 2;
  right: 0;
  bottom: 10px;
}

.phone--back {
  z-index: 1;
  left: 0;
  bottom: 48px;
  transform: rotate(-5deg);
  opacity: 0.92;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.signal-row p {
  min-height: 90px;
  margin: 0;
  padding: 22px;
  color: var(--muted);
  background: var(--paper);
  line-height: 1.45;
}

.signal-row p:first-child {
  border-radius: 7px 0 0 7px;
}

.signal-row p:last-child {
  border-radius: 0 7px 7px 0;
}

.signal-row strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.section {
  margin-top: 14px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 36px rgba(22, 43, 66, 0.06);
}

.section__intro {
  max-width: 760px;
  margin-bottom: 30px;
}

.section__intro > p:last-child,
.explainer p,
.platform-grid p,
.problem-list p,
.query-grid p,
.faq p,
.final-cta p {
  color: var(--muted);
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fafc;
}

.step__copy {
  min-height: 178px;
  padding: 22px;
}

.step__copy > span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.step__copy p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.steps img {
  display: block;
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: top;
  border-top: 1px solid var(--line);
}

.section__actions {
  align-items: center;
  margin-top: 28px;
}

.text-link,
.platform-grid a,
.problem-list a {
  color: var(--blue-dark);
  font-weight: 800;
}

.text-link {
  padding: 14px 4px;
}

.explainer {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1fr);
  gap: 54px;
}

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

code {
  padding: 2px 5px;
  border-radius: 4px;
  color: #135e48;
  background: #e6f7f0;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.platform-grid,
.problem-list,
.query-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.platform-grid article,
.problem-list article,
.query-grid article {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.platform-grid span {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 9px;
  border-radius: 6px;
  color: var(--green-dark);
  background: #e3f8ee;
  font-size: 12px;
  font-weight: 900;
}

.problem-list article {
  border-left: 4px solid var(--blue);
}

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

.query-grid article {
  background: #eff8ff;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.faq details:first-of-type {
  border-top: 0;
}

.faq summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 850;
}

.faq p {
  max-width: 820px;
  margin: 12px 0 0;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-top: 14px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid #b6d4e7;
  border-radius: 8px;
  background: #dff3ff;
}

.final-cta > div:first-child {
  max-width: 650px;
}

.final-cta h2 {
  margin-bottom: 10px;
}

.final-cta p {
  margin-bottom: 0;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
  gap: 40px;
  padding-top: 28px;
  padding-bottom: 40px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer > div > p {
  max-width: 520px;
  margin: 16px 0 0;
  line-height: 1.5;
}

.site-footer nav {
  align-content: start;
  justify-content: flex-end;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 24px;
  align-items: center;
  min-height: 470px;
  padding: clamp(32px, 6vw, 72px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.article-hero h1 {
  font-size: clamp(40px, 6vw, 68px);
}

.article-hero .hero__lead {
  color: var(--muted);
}

.article-hero__visual {
  display: flex;
  justify-content: center;
}

.article-hero__visual img {
  width: min(100%, 260px);
  border: 5px solid #f4f8fb;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--blue-dark);
  font-weight: 800;
}

.article-body {
  max-width: 860px;
}

.article-body > p,
.article-body li {
  color: #3e5265;
  font-size: 18px;
  line-height: 1.68;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
}

.article-body h2 {
  margin-top: 46px;
}

.article-body h3 {
  margin-top: 28px;
}

.callout {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--blue);
  border-radius: 6px;
  color: #25485f;
  background: #edf7ff;
  line-height: 1.6;
}

.article-screens {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.article-screens figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fafc;
}

.article-screens img {
  display: block;
  width: 100%;
  aspect-ratio: 520 / 1130;
  object-fit: cover;
  object-position: top;
}

.article-screens figcaption {
  padding: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.answer-box {
  margin: 22px 0;
  padding: 22px;
  border: 1px solid #b9e7d1;
  border-radius: 8px;
  background: #effbf5;
}

.answer-box strong {
  display: block;
  margin-bottom: 7px;
  color: var(--green-dark);
}

.article-meta,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.tag-row a,
.tag-row span {
  padding: 7px 10px;
  border: 1px solid #cfe0ea;
  border-radius: 6px;
  color: #23536d;
  background: #f4f9fc;
  font-weight: 750;
  text-decoration: none;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.guide-grid article {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.guide-grid p {
  flex: 1;
  color: var(--muted);
  line-height: 1.55;
}

.guide-grid a {
  color: var(--blue-dark);
  font-weight: 850;
}

.toc {
  margin: 28px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fafc;
}

.toc strong {
  display: block;
  margin-bottom: 10px;
}

.toc ul {
  display: grid;
  gap: 7px;
  margin: 0;
}

.download-list {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.download-list a {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #f8fafc;
  font-weight: 850;
  text-decoration: none;
}

.download-list a span {
  color: var(--blue-dark);
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
    padding: 42px 28px;
  }

  .hero__content {
    min-height: 0;
  }

  .hero__visual {
    width: min(100%, 430px);
    height: 430px;
    margin: 0 auto -120px;
    opacity: 0.78;
  }

  .hero__content {
    max-width: 680px;
  }

  .steps,
  .query-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .steps img {
    height: 520px;
  }

  .step__copy {
    min-height: 0;
  }

  .explainer {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .article-hero {
    grid-template-columns: 1fr;
  }

  .article-hero__visual {
    display: none;
  }
}

@media (max-width: 680px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 20px, 560px);
  }

  .site-header {
    min-height: 72px;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    min-height: 0;
    padding: 34px 22px;
  }

  .hero::before {
    top: auto;
    right: -30%;
    bottom: -20%;
    width: 115%;
    height: 48%;
    transform: rotate(-5deg);
  }

  h1 {
    font-size: clamp(38px, 11.5vw, 48px);
  }

  h2 {
    font-size: 34px;
  }

  .hero__lead {
    font-size: 18px;
  }

  .hero__actions,
  .section__actions,
  .final-cta__actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .hero__facts li {
    min-width: 0;
    padding: 0 10px;
  }

  .hero__facts strong {
    font-size: 14px;
  }

  .hero__facts span {
    font-size: 11px;
  }

  .hero__visual {
    display: none;
  }

  .signal-row,
  .platform-grid,
  .problem-list,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .signal-row p {
    min-height: 0;
  }

  .signal-row p:first-child,
  .signal-row p:last-child {
    border-radius: 0;
  }

  .section,
  .final-cta {
    padding: 28px 22px;
  }

  .steps img {
    height: 470px;
  }

  .site-footer nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: stretch;
    gap: 12px;
  }

  .article-hero {
    min-height: 0;
    padding: 32px 22px;
  }

  .article-screens {
    grid-template-columns: 1fr;
  }

  .article-screens img {
    max-height: 620px;
  }
}

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

  .button {
    transition: none;
  }
}
