html, body {
  margin: 0;
  padding: 0;
  background: #0d0d0d;
  font-family: 'Archivo', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: #fff;
}

* { box-sizing: border-box; }

a { color: #fff; text-decoration: none; }
::selection { background: #2a2a2a; color: #fff; }

img { max-width: 100%; }

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  border-bottom: 1px solid #1e1e1e;
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(8px);
  z-index: 50;
}

.logo {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.14em;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #8a8a8a;
  transition: color 0.15s ease;
}

.nav-links a:hover { color: #fff; }

.nav-download-btn {
  color: #fff !important;
  border: 1px solid #2a2a2a;
  border-radius: 5px;
  padding: 8px 16px;
  background: transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-download-btn:hover {
  background: #1a1a1a;
  border-color: #3a3a3a;
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 40px 90px;
  text-align: center;
}

.hero-bg-text {
  position: absolute;
  right: -30px;
  bottom: -70px;
  font-size: 220px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.025);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.hero-inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero-inner h1 {
  margin: 0;
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  text-wrap: balance;
}

.hero-sub {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: #8a8a8a;
  max-width: 520px;
  text-wrap: pretty;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
}

.btn-primary {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #fff;
  border: 1px solid #4a4a4a;
  border-radius: 5px;
  padding: 14px 28px;
  background: transparent;
  display: inline-block;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-primary:hover {
  background: #1a1a1a;
  border-color: #6a6a6a;
  color: #fff;
}

.btn-large {
  font-size: 13px;
  padding: 18px 44px;
}

.btn-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #8a8a8a;
  transition: color 0.15s ease;
}

.btn-text:hover { color: #fff; }

.hero-meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #5a5a5a;
}

.smartscreen-note {
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: #5a5a5a;
  max-width: 420px;
  text-wrap: pretty;
}

.checksum {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  margin-top: 4px;
}

.checksum-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #5a5a5a;
  flex: none;
}

.checksum code {
  font-size: 10px;
  color: #6a6a6a;
  background: #141414;
  border: 1px solid #242424;
  border-radius: 4px;
  padding: 6px 10px;
  word-break: break-all;
  text-align: left;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.features-grid .reveal:nth-child(2),
.stats-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.features-grid .reveal:nth-child(3),
.stats-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.features-grid .reveal:nth-child(4),
.stats-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.features-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.features-grid .reveal:nth-child(6) { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .faq-answer { transition: none; }
  .faq-answer-inner { transition: none; }
}

/* SHOWCASE */
.showcase {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  perspective: 1200px;
}

.showcase-1 {
  margin-top: 70px;
}

.tilt-wrap {
  transform: rotateX(3deg) rotateY(-3deg);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

#tilt2 { transform: rotateX(3deg) rotateY(3deg); }

.tilt-wrap img {
  display: block;
  width: 100%;
  border-radius: 11px;
  border: 1px solid #2a2a2a;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55);
  background: #141414;
  min-height: 200px;
  object-fit: cover;
}

/* STATS STRIP */
.stats-strip {
  border-top: 1px solid #1e1e1e;
  border-bottom: 1px solid #1e1e1e;
}

.stats-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 44px 40px;
}

.stat {
  text-align: center;
  border-left: 1px solid #1e1e1e;
  padding: 0 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.stat-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #8a8a8a;
}

/* FEATURES */
.features { padding: 100px 40px; }

.features-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-heading h2,
.faq-inner > h2,
.download-inner > h2,
.showcase-2-text > h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #8a8a8a;
}

.section-heading p {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: #141414;
  border: 1px solid #242424;
  border-radius: 6px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s ease;
}

.feature-card:hover { border-color: #333333; }

.feature-glyph {
  width: 36px;
  height: 36px;
  border: 1px solid #2a2a2a;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a8a8a;
  font-size: 15px;
  font-weight: 600;
}

.feature-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
}

.feature-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #8a8a8a;
  text-wrap: pretty;
}

/* SHOWCASE 2 */
.showcase-2-section { padding: 40px 40px 110px; }

.showcase-2-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}

.showcase-2-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showcase-2-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.showcase-2-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #8a8a8a;
  text-wrap: pretty;
}

/* DOWNLOAD */
.download-section {
  border-top: 1px solid #1e1e1e;
  padding: 110px 40px;
  text-align: center;
}

.download-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.download-title {
  margin: 0;
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

/* FAQ */
.faq-section {
  border-top: 1px solid #1e1e1e;
  padding: 100px 40px;
}

.faq-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid #1e1e1e;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  padding: 22px 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.faq-question span:first-child {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.faq-marker {
  font-size: 16px;
  color: #8a8a8a;
  flex: none;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-item.open .faq-answer { grid-template-rows: 1fr; }

.faq-answer-inner {
  overflow: hidden;
  min-height: 0;
  padding: 0 40px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #8a8a8a;
  text-wrap: pretty;
  opacity: 0;
  transition: opacity 0.3s ease, padding-bottom 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-item.open .faq-answer-inner {
  opacity: 1;
  padding-bottom: 22px;
}

/* FINAL CTA */
.final-cta-section { padding: 40px 40px 100px; }

.final-cta-box {
  position: relative;
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto;
  background: #141414;
  border: 1px solid #242424;
  border-radius: 8px;
  padding: 90px 40px;
  text-align: center;
}

.final-cta-bg-text {
  position: absolute;
  right: -20px;
  bottom: -55px;
  font-size: 170px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.final-cta-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.final-cta-inner p {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* FOOTER */
.footer {
  border-top: 1px solid #1e1e1e;
  padding: 40px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer .logo { font-size: 13px; }

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #8a8a8a;
  transition: color 0.15s ease;
}

.footer-links a:hover { color: #fff; }

.footer-copy {
  font-size: 11px;
  color: #5a5a5a;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner h1 { font-size: 44px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-2-inner { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}

@media (max-width: 640px) {
  .navbar { padding: 0 20px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-download-btn) { display: none; }
  .hero { padding: 80px 20px 60px; }
  .hero-inner h1 { font-size: 32px; }
  .hero-bg-text { font-size: 120px; }
  .features, .showcase-2-section, .download-section, .faq-section, .final-cta-section { padding-left: 20px; padding-right: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 32px 20px; }
  .final-cta-box { padding: 60px 24px; }
}