:root {
  color-scheme: light;
  --cyan: #08b9e9;
  --cyan-deep: #0699c5;
  --mint: #60f5f1;
  --ink: #07111f;
  --muted: #69717d;
  --soft: #f3f5fb;
  --lavender: #e9e4ff;
  --card: #ffffff;
  --line: rgba(7, 17, 31, 0.1);
  --shadow: 0 24px 60px rgba(7, 17, 31, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
}

section[id] {
  scroll-margin-top: 82px;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.proof-row,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
}

.nav-links {
  display: none;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-header.menu-open .nav-links {
  position: absolute;
  top: calc(100% + 8px);
  right: clamp(14px, 4vw, 56px);
  left: clamp(14px, 4vw, 56px);
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 38px rgba(7, 17, 31, 0.16);
  backdrop-filter: blur(18px);
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
}

.nav-links a,
.ghost-link,
.footer-links a {
  text-decoration: none;
}

.site-header.menu-open .nav-links a {
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--ink);
  font-weight: 800;
}

.site-header.menu-open .nav-links a:hover {
  background: var(--soft);
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--cyan-deep);
}

.store-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 14px 28px rgba(7, 17, 31, 0.18);
}

.store-link.small {
  min-height: 38px;
  padding: 0 15px;
  font-size: 0.9rem;
}

.app-store-badge {
  display: inline-flex;
  width: 150px !important;
  height: 45px !important;
  max-width: 150px;
  flex: 0 0 150px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  text-decoration: none;
}

.app-store-badge img {
  width: 150px !important;
  height: 45px !important;
  object-fit: contain;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 52px clamp(20px, 5vw, 72px) 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(96, 245, 241, 0.54), transparent 28%),
    linear-gradient(180deg, #effbff 0%, #ffffff 62%);
}

.hero-copy {
  max-width: 660px;
  align-self: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan-deep);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  margin-bottom: 16px;
  font-size: clamp(3rem, 16vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h1 span {
  display: inline-block;
  padding: 0 12px 7px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #001018;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 9vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

.lede,
.device-section p,
.pro-section p,
.download-section p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.55;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 22px;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-weight: 800;
}

.proof-row {
  flex-wrap: wrap;
  gap: 8px;
}

.proof-row span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
}

.phone-frame {
  width: min(74vw, 335px);
  overflow: hidden;
  border: 10px solid #10131a;
  border-radius: 38px;
  background: #10131a;
  box-shadow: var(--shadow);
}

.phone-frame img {
  width: 100%;
  border-radius: 28px;
}

.main-phone {
  transform: rotate(2deg);
}

.floating-result {
  position: absolute;
  right: 0;
  bottom: 46px;
  max-width: 270px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 44px rgba(7, 17, 31, 0.13);
  backdrop-filter: blur(18px);
}

.floating-result strong {
  display: block;
  font-size: 1.55rem;
}

.floating-result span {
  color: var(--muted);
  font-size: 0.82rem;
}

.feature-strip {
  display: grid;
  gap: 14px;
  padding: 26px clamp(18px, 4vw, 56px) 58px;
}

.feature-strip article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.feature-strip h2 {
  margin-bottom: 9px;
  font-size: 1.3rem;
}

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

.icon {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 12px;
  background: var(--cyan);
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 900;
}

.showcase,
.guides-section,
.faq-section,
.device-section,
.pro-section,
.download-section {
  padding: 64px clamp(20px, 5vw, 72px);
}

.guides-section {
  background: #ffffff;
}

.guide-grid {
  display: grid;
  gap: 14px;
}

.guide-grid a {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  text-decoration: none;
}

.guide-grid a:hover {
  border-color: rgba(8, 185, 233, 0.42);
  box-shadow: 0 18px 42px rgba(7, 17, 31, 0.08);
}

.guide-grid span {
  display: inline-flex;
  margin-bottom: 13px;
  color: var(--cyan-deep);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.guide-grid h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1.15;
}

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

.faq-section {
  background: #ffffff;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.faq-item h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  line-height: 1.25;
}

.faq-item p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.faq-item a {
  color: var(--cyan-deep);
  font-weight: 900;
  text-decoration: none;
}

.faq-item a:hover {
  text-decoration: underline;
}

.showcase {
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.screen-tabs {
  display: flex;
  gap: 8px;
  margin: 0 -20px 28px;
  padding: 0 20px 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.screen-tabs::-webkit-scrollbar {
  display: none;
}

.tab-button {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.tab-button.active {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #ffffff;
}

.gallery {
  display: grid;
  min-height: 580px;
  place-items: center;
}

.gallery-phone {
  display: none;
  margin: 0;
}

.gallery-phone.active {
  display: block;
}

.device-section {
  display: grid;
  gap: 26px;
  align-items: center;
}

.device-section > div:first-child {
  max-width: 620px;
}

.device-grid {
  display: grid;
  gap: 14px;
}

.device-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 50px rgba(7, 17, 31, 0.1);
}

.device-grid img:nth-child(2) {
  object-position: center 42%;
}

.pro-section {
  display: grid;
  gap: 24px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(8, 185, 233, 0.12), rgba(233, 228, 255, 0.7)),
    #ffffff;
}

.pro-section > div {
  max-width: 680px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  font-weight: 900;
}

.check-list li::before {
  content: "+";
  margin-right: 10px;
  color: var(--cyan-deep);
}

.download-section {
  display: grid;
  justify-items: center;
  text-align: center;
}

.download-section img {
  margin-bottom: 20px;
  border-radius: 24px;
}

.download-section p {
  max-width: 650px;
}

.download-section .app-store-badge {
  margin-top: 8px;
}

.site-footer {
  display: grid;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.site-footer p {
  margin: 6px 0 0;
}

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

.footer-links {
  flex-wrap: wrap;
  gap: 16px;
  font-weight: 800;
}

.online-references {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.online-references h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  flex: 0 0 auto;
}

.online-references div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  flex: 0 1 auto;
  margin-left: auto;
}

.online-references a {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
}

.online-references a:hover {
  color: var(--cyan-deep);
}

.guide-page {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 84px;
}

.guide-page h1 {
  font-size: clamp(2.6rem, 10vw, 5.3rem);
}

.guide-page section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.guide-page section h2 {
  margin-bottom: 12px;
  font-size: clamp(1.55rem, 5vw, 2.3rem);
}

.guide-page section p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.guide-page .guide-tool {
  margin: 32px 0;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid rgba(8, 185, 233, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(8, 185, 233, 0.1), rgba(96, 245, 241, 0.1)),
    #ffffff;
}

.guide-tool h2 {
  margin-bottom: 8px;
  font-size: clamp(1.55rem, 5vw, 2.2rem);
}

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

.tool-grid {
  display: grid;
  gap: 14px;
  margin: 24px 0 22px;
}

.tool-grid label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 900;
}

.tool-grid input,
.tool-grid select {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

.guide-tool button {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.guide-tool output {
  display: block;
  margin-top: 26px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-weight: 800;
  line-height: 1.45;
}

.guide-cta {
  margin-top: 28px;
  padding: 26px;
  border: 1px solid rgba(8, 185, 233, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(8, 185, 233, 0.12), rgba(96, 245, 241, 0.12)),
    #ffffff;
}

.guide-cta h2 {
  margin-bottom: 10px;
  font-size: clamp(1.6rem, 5vw, 2.45rem);
}

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

@media (min-width: 720px) {
  .menu-toggle {
    display: none;
  }

  .nav-links,
  .site-header.menu-open .nav-links {
    position: static;
    display: flex;
    gap: 22px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .site-header.menu-open .nav-links a {
    padding: 0;
    color: inherit;
    font-weight: inherit;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.78fr);
    padding-top: 42px;
  }

  .feature-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .device-section,
  .pro-section {
    grid-template-columns: 0.78fr 1fr;
  }

  .site-footer {
    gap: 24px;
  }

  .footer-main {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1060px) {
  .feature-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .device-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

@media (max-width: 430px) {
  .site-header {
    gap: 10px;
    padding-inline: 14px;
  }

  .brand span {
    display: none;
  }

  .store-link.small {
    min-height: 36px;
    padding-inline: 13px;
  }

  .app-store-badge {
    width: 142px !important;
    height: 43px !important;
    max-width: 142px;
    flex-basis: 142px;
  }

  .app-store-badge img {
    width: 142px !important;
    height: 43px !important;
  }

  .hero {
    gap: 18px;
    padding-top: 34px;
    padding-bottom: 24px;
  }

  .hero-visual {
    min-height: 438px;
  }

  .phone-frame {
    width: min(68vw, 280px);
    border-width: 8px;
    border-radius: 34px;
  }

  .phone-frame img {
    border-radius: 24px;
  }

  .floating-result {
    right: 10px;
    bottom: 20px;
    max-width: 230px;
  }

  .gallery {
    min-height: 520px;
  }

  .guide-page .guide-tool {
    margin-inline: -4px;
    padding: 24px 18px;
  }
}