:root {
  color-scheme: dark;
  --bg: #090d14;
  --bg-soft: #0d131d;
  --panel: #121a26;
  --panel-strong: #172231;
  --panel-elevated: #1b2636;
  --text: #f3f7fb;
  --muted: #9aa8b7;
  --soft: #c7d2df;
  --line: rgba(135, 154, 177, .18);
  --line-strong: rgba(135, 154, 177, .32);
  --accent: #4c9ffe;
  --accent-strong: #7cc2ff;
  --green: #46d18b;
  --orange: #ffb057;
  --danger: #ff6b6b;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .42);
  --shadow-soft: 0 14px 44px rgba(0, 0, 0, .28);
  font-family: "Segoe UI", Inter, Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 4%, rgba(76, 159, 254, .18), transparent 32%),
    radial-gradient(circle at 82% 18%, rgba(70, 209, 139, .08), transparent 26%),
    linear-gradient(180deg, #090d14 0%, #0c121b 42%, #090d14 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .8), transparent 72%);
}

a {
  color: inherit;
}

svg {
  max-width: 100%;
}

.contact-action svg,
.contact-card svg,
.footer-social svg {
  display: block;
  flex: 0 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 76px);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 20, .82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}

.brand-logo {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 8px 18px rgba(76, 159, 254, .22));
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .06);
}

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(460px, 1.12fr);
  align-items: center;
  gap: clamp(34px, 6vw, 88px);
  padding: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 76px) 48px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(64px, 10vw, 124px);
  line-height: .86;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  max-width: 900px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.25;
}

.hero-text {
  max-width: 680px;
  color: var(--soft);
  font-size: 20px;
  line-height: 1.72;
}

.hero-actions,
.download-box,
.support-section {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

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

.button.primary {
  border-color: rgba(76, 159, 254, .7);
  background: linear-gradient(180deg, #2f91ff, #1d63d8);
  box-shadow: 0 14px 34px rgba(47, 145, 255, .24);
}

.button.secondary {
  background: rgba(255, 255, 255, .045);
}

.button.secondary:hover {
  border-color: rgba(124, 194, 255, .5);
  background: rgba(124, 194, 255, .08);
}

.button.donate {
  border-color: rgba(255, 176, 87, .72);
  background: linear-gradient(135deg, #ffb057, #e35d4f);
  box-shadow: 0 16px 40px rgba(255, 128, 78, .26);
}

.button.wide {
  width: 100%;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid rgba(124, 194, 255, .22);
  border-radius: 999px;
  background: rgba(18, 26, 38, .74);
  color: #cdd8e5;
  font-size: 13px;
  font-weight: 680;
}

.product-showcase {
  position: relative;
}

.product-showcase::before {
  content: "";
  position: absolute;
  inset: -18px;
  z-index: -1;
  border: 1px solid rgba(124, 194, 255, .08);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(76, 159, 254, .13), rgba(70, 209, 139, .055)),
    rgba(18, 26, 38, .22);
  box-shadow: var(--shadow);
}

.screenshot-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(124, 194, 255, .28);
  border-radius: var(--radius);
  background: #05080d;
  box-shadow: var(--shadow);
}

.screenshot-card img {
  display: block;
  width: 100%;
  height: auto;
}

.screenshot-card figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 76px) 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow-soft);
}

.proof-strip div {
  padding: 20px;
  background: rgba(18, 26, 38, .9);
}

.proof-strip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 18px;
}

.proof-strip span {
  display: block;
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: 82px clamp(20px, 5vw, 76px);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 32px;
}

.section-heading p {
  color: var(--soft);
  font-size: 17px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.download-box,
.step,
.support-section,
.comparison-box,
.workflow-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .028), transparent),
    rgba(18, 26, 38, .82);
}

.feature-card {
  min-height: 178px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--green));
}

.feature-card p,
.download-section p,
.support-section p,
.credits p,
.step p,
.split-section p,
.workflow-item p {
  color: var(--soft);
  line-height: 1.68;
}

.workflow-section {
  background:
    linear-gradient(180deg, rgba(76, 159, 254, .055), transparent 58%),
    rgba(9, 13, 20, .34);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.workflow-item {
  min-height: 220px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.workflow-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 32px;
  margin-bottom: 22px;
  border: 1px solid rgba(124, 194, 255, .25);
  border-radius: 999px;
  background: rgba(76, 159, 254, .12);
  color: var(--accent-strong);
  font-weight: 850;
}

.split-section,
.download-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 34px;
}

.comparison-box {
  padding: 26px;
  box-shadow: var(--shadow-soft);
}

.comparison-box h3 {
  margin-bottom: 16px;
}

.comparison-box ul {
  margin: 0;
  padding-left: 20px;
  color: var(--soft);
  line-height: 1.72;
}

.comparison-box li + li {
  margin-top: 8px;
}

.box-action {
  margin-top: 22px;
}

.download-box {
  flex-direction: column;
  align-items: stretch;
  padding: 26px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.download-icon {
  width: 84px;
  height: 84px;
  align-self: center;
  filter: drop-shadow(0 14px 26px rgba(76, 159, 254, .22));
}

.download-box small {
  color: var(--muted);
  line-height: 1.5;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  padding: 24px;
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border: 1px solid rgba(124, 194, 255, .25);
  border-radius: 50%;
  background: rgba(76, 159, 254, .16);
  color: var(--accent-strong);
  font-weight: 850;
}

.support-section {
  justify-content: space-between;
  gap: 26px;
  margin: 82px clamp(20px, 5vw, 76px);
  padding: 30px;
  border-color: rgba(255, 176, 87, .24);
  background:
    linear-gradient(135deg, rgba(255, 176, 87, .11), rgba(76, 159, 254, .07)),
    rgba(18, 26, 38, .86);
  box-shadow: var(--shadow-soft);
}

.support-section h2,
.support-section p {
  max-width: 800px;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin: 0 clamp(20px, 5vw, 76px) 82px;
  padding: 34px;
  border: 1px solid rgba(124, 194, 255, .22);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(76, 159, 254, .12), rgba(70, 209, 139, .055)),
    rgba(18, 26, 38, .84);
  box-shadow: var(--shadow-soft);
}

.contact-section h2 {
  margin-bottom: 12px;
}

.contact-section p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--soft);
  line-height: 1.68;
}

.contact-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid rgba(124, 194, 255, .38);
  border-radius: 7px;
  background: rgba(255, 255, 255, .055);
  color: var(--text);
  font-weight: 780;
  text-decoration: none;
  white-space: nowrap;
}

.contact-action:hover {
  border-color: rgba(124, 194, 255, .65);
  background: rgba(124, 194, 255, .1);
}

.mail-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(124, 194, 255, .42);
  border-radius: 50%;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 850;
  line-height: 1;
}

.credits {
  padding-top: 34px;
}

.credits-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.credits-grid p {
  max-width: 860px;
  color: var(--soft);
  line-height: 1.68;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .028), transparent),
    rgba(18, 26, 38, .82);
  box-shadow: var(--shadow-soft);
  font-style: normal;
}

.contact-card strong {
  color: var(--text);
  font-size: 19px;
}

.contact-card a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-strong);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-card svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  fill: currentColor;
  opacity: .92;
}

.contact-card a:hover {
  text-decoration: underline;
}

.credits-note {
  max-width: 900px;
  margin-top: 28px;
  color: var(--soft);
  line-height: 1.68;
}

.credits a,
.site-footer a {
  color: var(--accent-strong);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 30px clamp(20px, 5vw, 76px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer div {
  display: grid;
  gap: 5px;
}

.site-footer strong {
  color: var(--text);
  font-size: 16px;
}

.site-footer small {
  color: #7f8ea0;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .045);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.footer-social:hover {
  border-color: rgba(124, 194, 255, .5);
  background: rgba(124, 194, 255, .08);
}

.footer-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-showcase {
    max-width: 860px;
  }

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

  .split-section,
  .download-section,
  .contact-section,
  .credits-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav a {
    padding-left: 0;
  }

  .proof-strip,
  .feature-grid,
  .steps,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .support-actions,
  .contact-action,
  .button {
    width: 100%;
  }

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

@media (max-width: 480px) {
  h1 {
    font-size: 56px;
  }

  .hero-text {
    font-size: 18px;
  }

  .product-showcase::before {
    inset: -8px;
  }
}