:root {
  color-scheme: dark;
  --ink: #f6fbff;
  --muted: #b9c9d8;
  --soft: #dfefff;
  --navy: #07182d;
  --panel: #102742;
  --panel-strong: #173c66;
  --line: rgba(177, 211, 245, 0.24);
  --cyan: #56d9f0;
  --blue: #2f7df4;
  --green: #67e8a8;
  --yellow: #f4d35e;
  --coral: #ff8a6b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 16% 4%, rgba(86, 217, 240, 0.18), transparent 34rem), linear-gradient(130deg, #051225 0%, #0d2543 46%, #172f36 100%);
  color: var(--ink);
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2.5rem);
  background: rgba(5, 18, 37, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(86, 217, 240, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

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

.header-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.header-cta {
  padding: 0 1rem;
  background: rgba(86, 217, 240, 0.1);
  border: 1px solid rgba(86, 217, 240, 0.36);
  color: var(--soft);
  white-space: nowrap;
}

.button {
  padding: 0.95rem 1.25rem;
  border: 1px solid transparent;
}

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

.primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #041325;
  box-shadow: 0 18px 42px rgba(47, 125, 244, 0.32);
}

.secondary {
  border-color: rgba(223, 239, 255, 0.26);
  color: var(--soft);
  background: rgba(255, 255, 255, 0.06);
}

.large {
  min-width: 230px;
}

.hero {
  min-height: min(760px, calc(100vh - 72px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1rem, 5vw, 5rem);
}

.hero-copy {
  max-width: 610px;
}

.hero h1 {
  font-size: clamp(2.5rem, 3.6vw, 4.5rem);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.65rem, 5.8vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.12rem;
}

.hero-text, .section-heading p, .download-section p {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0 1.5rem;
}

.hero-metrics {
  display: grid;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-metrics span {
  display: flex;
  gap: 0.55rem;
  align-items: center;
}

.hero-metrics span::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--yellow);
  flex: 0 0 auto;
}

.hero-metrics span:nth-child(2)::before {
  background: var(--cyan);
}

.hero-metrics span:nth-child(3)::before {
  background: var(--green);
}

.hero-metrics strong {
  color: var(--ink);
}

.hero-visual {
  min-width: 0;
  width: min(100%, 760px);
  align-self: center;
  justify-self: end;
}

.window-frame, .screen-viewer {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 18, 37, 0.68);
  box-shadow: var(--shadow);
}

.window-frame {
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transform-origin: center;
}

.window-controls {
  display: flex;
  gap: 0.48rem;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-controls span {
  width: 0.74rem;
  height: 0.74rem;
  border-radius: 999px;
  background: var(--coral);
}

.window-controls span:nth-child(2) {
  background: var(--yellow);
}

.window-controls span:nth-child(3) {
  background: var(--green);
}

.window-frame img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: left top;
}

.trust-band, .section, .download-section, .site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.trust-band div {
  padding: 1.2rem;
  background: rgba(9, 30, 54, 0.86);
}

.trust-band strong, .trust-band span {
  display: block;
}

.trust-band span {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0 0;
}

.section-heading {
  max-width: 830px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-heading.left {
  margin: 0;
  text-align: left;
}

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

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

.feature-card {
  min-height: 260px;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 30, 54, 0.76);
}

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

.icon {
  display: block;
  width: 44px;
  height: 44px;
  margin-bottom: 1.4rem;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  position: relative;
}

.icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid rgba(4, 19, 37, 0.82);
  border-radius: 4px;
}

.icon.seo {
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.icon.trust {
  background: linear-gradient(135deg, var(--yellow), var(--green));
}

.icon.export {
  background: linear-gradient(135deg, var(--coral), var(--yellow));
}

.screen-section {
  width: min(1280px, calc(100% - 2rem));
}

.screen-tabs {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.tab {
  min-width: 120px;
  min-height: 42px;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.tab.active {
  background: rgba(86, 217, 240, 0.16);
  border-color: rgba(86, 217, 240, 0.44);
  color: var(--ink);
}

.screen-viewer {
  background: #07182d;
}

.screen-viewer img {
  width: 100%;
  aspect-ratio: 16 / 9.8;
  object-fit: cover;
  object-position: left top;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.steps {
  display: grid;
  gap: 1rem;
}

.steps article {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.steps h3 {
  margin-bottom: 0;
}

.steps p {
  grid-column: 2;
}

.steps span {
  color: var(--yellow);
  font-weight: 900;
  font-size: 1.25rem;
}

.download-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid rgba(86, 217, 240, 0.25);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(86, 217, 240, 0.14), rgba(103, 232, 168, 0.08)), rgba(8, 27, 48, 0.82);
}

.download-section div {
  max-width: 760px;
}

.download-section h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 980px) {
  .hero, .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }
}

@media (max-width: 980px) {
  .window-frame {
    transform: none;
  }
}

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .trust-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .download-section {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 740px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 740px) {
  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }
}

@media (max-width: 740px) {
  .header-cta {
    width: 100%;
  }
}

@media (max-width: 740px) {
  .hero {
    padding-top: 2.3rem;
  }
}

@media (max-width: 740px) {
  .hero h1 {
    font-size: clamp(2.45rem, 14vw, 3.7rem);
  }
}

@media (max-width: 740px) {
  .hero-actions, .screen-tabs, .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 740px) {
  .button, .tab {
    width: 100%;
  }
}

@media (max-width: 740px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .feature-card {
    min-height: auto;
  }
}

@media (max-width: 740px) {
  .steps article {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .steps p {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}