:root {
  --bg: #f7fbff;
  --ink: #071427;
  --muted: #5f6d7a;
  --line: #dce8f5;
  --panel: #ffffff;
  --blue: #126bff;
  --blue-dark: #074bc8;
  --teal: #18d2b0;
  --green: #00e676;
  --green-soft: #dfffee;
  --blue-soft: #eaf3ff;
  --shadow: 0 24px 70px rgb(7 20 39 / 14%);
  color: var(--ink);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 84% 10%, rgb(0 230 118 / 22%), transparent 24rem),
    radial-gradient(circle at 14% 16%, rgb(18 107 255 / 16%), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 62%, #eefaf6 100%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgb(220 232 245 / 76%);
  background: rgb(255 255 255 / 88%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 850;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  box-shadow: 0 10px 24px rgb(18 107 255 / 16%);
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.4vw, 1.6rem);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  min-height: calc(100svh - 72px);
  padding: clamp(3rem, 7vw, 6.5rem) clamp(1rem, 5vw, 5rem) 3rem;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.9rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1rem;
  font-size: clamp(3.6rem, 8vw, 7.4rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.2rem;
  line-height: 1.2;
}

.lead {
  max-width: 620px;
  color: #445465;
  font-size: clamp(1.18rem, 2vw, 1.5rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 850;
  text-align: center;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

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

.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), #0b8cff);
  box-shadow: 0 16px 34px rgb(18 107 255 / 25%);
}

.primary:hover,
.primary:focus-visible {
  background: linear-gradient(135deg, var(--blue-dark), #0874df);
}

.secondary {
  border-color: rgb(18 107 255 / 22%);
  color: var(--blue-dark);
  background: #ffffff;
}

.disabled {
  color: #687788;
  background: #edf4fb;
  border-color: var(--line);
  cursor: not-allowed;
}

.wide {
  width: 100%;
}

.inline-link {
  color: var(--blue-dark);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.hero-visual {
  position: relative;
}

.logo-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 680px);
  margin-inline: auto;
  aspect-ratio: 1 / 0.82;
  border: 1px solid rgb(18 107 255 / 12%);
  border-radius: 34px;
  background:
    radial-gradient(circle at 72% 26%, rgb(0 230 118 / 26%), transparent 10rem),
    radial-gradient(circle at 24% 74%, rgb(24 210 176 / 24%), transparent 12rem),
    linear-gradient(145deg, #ffffff 0%, #edf6ff 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.logo-stage::before {
  content: "";
  position: absolute;
  inset: 10%;
  border: 2px solid rgb(24 210 176 / 28%);
  border-radius: 38px;
  transform: rotate(-5deg);
}

.logo-stage::after {
  content: "";
  position: absolute;
  width: 42%;
  aspect-ratio: 1;
  right: -12%;
  bottom: -18%;
  border-radius: 999px;
  background: rgb(0 230 118 / 20%);
}

.logo-stage img {
  position: relative;
  z-index: 1;
  width: min(78%, 460px);
  border-radius: 32px;
  filter: drop-shadow(0 26px 34px rgb(18 107 255 / 18%));
}

.section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.intro p:last-child,
.apk-copy p,
.support p,
.contact-actions p,
.capture-notes p,
.feature-card p,
.apk-panel p {
  color: var(--muted);
}

.section-heading {
  margin-bottom: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  min-height: 220px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-card:nth-child(1) {
  background: var(--blue-soft);
}

.feature-card:nth-child(2) {
  background: var(--green-soft);
}

.feature-card:nth-child(3) {
  background: #ecfbff;
}

.feature-card:nth-child(4) {
  background: #ffffff;
}

.screenshots {
  background:
    linear-gradient(180deg, #f5fbff 0%, #effdf6 100%);
}

.screenshot-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.55fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.screenshot-layout img {
  border: 1px solid rgb(18 107 255 / 12%);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.capture-notes {
  padding: 1.5rem;
  border-left: 4px solid var(--teal);
  background: #ffffff;
}

.apk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  background: #ffffff;
}

ol {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.3rem;
  color: #445465;
}

li::marker {
  color: var(--blue);
  font-weight: 850;
}

.apk-panel {
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fbff;
}

.apk-panel p {
  margin: 1rem 0 0;
  font-size: 0.95rem;
}

.support {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background:
    radial-gradient(circle at 88% 8%, rgb(0 230 118 / 28%), transparent 18rem),
    linear-gradient(135deg, #061d45 0%, #063f94 58%, #0a8cdb 100%);
  color: #ffffff;
}

.support .section-kicker,
.support p {
  color: #e8f5ff;
}

.support h2 {
  margin-bottom: 0.6rem;
}

.support .primary {
  background: #ffffff;
  color: var(--blue-dark);
}

.contact {
  background: #ffffff;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.3rem clamp(1rem, 5vw, 5rem);
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
}

@media (max-width: 960px) {
  .hero,
  .intro,
  .screenshot-layout,
  .apk {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 4.6rem);
  }

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

  .button {
    width: 100%;
  }

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

  .logo-stage {
    border-radius: 24px;
  }
}

.centered {
  text-align: center;
  margin-inline: auto;
}

.impact-map {
  background:
    radial-gradient(circle at 50% 0%, rgb(18 107 255 / 10%), transparent 24rem),
    #ffffff;
}

.impact-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  align-items: stretch;
}

.impact-node {
  position: relative;
  min-height: 280px;
  padding: 2rem;
  border: 2px solid var(--line);
  border-radius: 999px 999px 24px 24px;
  background: #ffffff;
  text-align: center;
  box-shadow: var(--shadow);
}

.impact-node span {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 999px;
  color: #ffffff;
  font-size: 2rem;
  font-weight: 900;
}

.impact-node.blue span { background: var(--blue); }
.impact-node.teal span { background: var(--teal); }
.impact-node.green span { background: var(--green); color: var(--ink); }

.request-section {
  background: #f7fbff;
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 980px;
}

.request-form label,
.request-form fieldset {
  display: grid;
  gap: 0.45rem;
  color: var(--ink);
  font-weight: 800;
}

.request-form input,
.request-form select,
.request-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  font: inherit;
  background: #ffffff;
}

.request-form fieldset,
.request-form .full {
  grid-column: 1 / -1;
}

.request-form fieldset {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: #ffffff;
}

.request-form legend {
  grid-column: 1 / -1;
  padding: 0 0.4rem;
  font-weight: 900;
}

.request-form fieldset label,
.request-form .consent {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-weight: 700;
}

.request-form input[type="checkbox"] {
  width: auto;
}

.request-form button {
  width: fit-content;
}

@media (max-width: 760px) {
  .impact-flow,
  .request-form {
    grid-template-columns: 1fr;
  }

  .request-form fieldset {
    grid-template-columns: 1fr;
  }

  .impact-node {
    border-radius: 24px;
  }

  .request-form button {
    width: 100%;
  }
}