/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: #e7e4f1;
  background: #0b0717;
  background-image:
    radial-gradient(1000px 600px at 85% -10%, rgba(139, 92, 246, 0.25), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(167, 139, 250, 0.15), transparent 60%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #c4b5fd; text-decoration: none; transition: color .2s ease; }
a:hover { color: #fff; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2.25rem, 5vw + 1rem, 4rem); }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: #c7c2d9; }

/* ---- Layout ---- */
.container { width: min(1140px, 92%); margin-inline: auto; }
section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head p { font-size: 1.05rem; }
.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #a78bfa;
  margin-bottom: 12px;
  padding: 6px 14px;
  border: 1px solid rgba(167, 139, 250, .35);
  border-radius: 999px;
  background: rgba(167, 139, 250, .08);
}

/* ---- Navigation ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 7, 23, .72);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #fff;
  font-size: 1.05rem;
  letter-spacing: -.01em;
}
.brand svg { width: 28px; height: 28px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: .95rem; font-weight: 500; color: #c7c2d9; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  padding: 8px 16px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff !important;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  box-shadow: 0 8px 24px -8px rgba(139, 92, 246, .6);
}
.nav-cta:hover { transform: translateY(-1px); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ---- Hero ---- */
.hero {
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(40px, 7vw, 80px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; text-align: center; } }
.hero h1 {
  background: linear-gradient(135deg, #fff 30%, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  font-size: clamp(1.05rem, 1.4vw + .6rem, 1.3rem);
  color: #c7c2d9;
  max-width: 560px;
  margin-bottom: 32px;
}
@media (max-width: 900px) { .hero-tagline { margin-inline: auto; } }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 900px) { .hero-ctas { justify-content: center; } }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn svg { width: 20px; height: 20px; }
.btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff;
  box-shadow: 0 14px 40px -12px rgba(139, 92, 246, .6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 50px -12px rgba(139, 92, 246, .7); }
.btn-ghost {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .14);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .11); }
.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
  font-size: .9rem;
  color: #9e99b2;
}
@media (max-width: 900px) { .hero-meta { justify-content: center; } }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta svg { width: 16px; height: 16px; color: #a78bfa; }

/* ---- Hero phone mockup ---- */
.phone-stack {
  position: relative;
  display: flex;
  justify-content: center;
  min-height: 520px;
}
.phone {
  position: relative;
  width: 260px;
  border-radius: 38px;
  padding: 10px;
  background: linear-gradient(145deg, #1a1330, #0c0820);
  box-shadow:
    0 40px 80px -20px rgba(0, 0, 0, .8),
    0 0 0 1px rgba(255, 255, 255, .08),
    inset 0 1px 0 rgba(255, 255, 255, .08);
  transform: rotate(-2deg);
  z-index: 2;
}
.phone::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #000;
  border-radius: 999px;
  z-index: 3;
}
.phone img {
  border-radius: 30px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
}
.phone.back {
  position: absolute;
  top: 40px;
  left: 54%;
  transform: rotate(6deg) scale(.85);
  z-index: 1;
  opacity: .9;
  filter: blur(.3px);
}
@media (max-width: 900px) {
  .phone-stack { margin-top: 24px; }
  .phone.back { left: 58%; }
}

/* ---- Cards & grids ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature-card {
  padding: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .01));
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 20px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(167, 139, 250, .4);
  background: linear-gradient(145deg, rgba(167, 139, 250, .08), rgba(255, 255, 255, .02));
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(139, 92, 246, .25), rgba(99, 102, 241, .1));
  border: 1px solid rgba(167, 139, 250, .35);
}
.feature-icon svg { width: 22px; height: 22px; color: #c4b5fd; }
.feature-card h3 { color: #fff; margin-bottom: 8px; }
.feature-card p { font-size: .95rem; margin: 0; }

/* ---- Screenshots ---- */
.screens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  align-items: end;
}
.screen {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
  background: #100a22;
  transition: transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .7);
}
.screen:hover { transform: translateY(-6px); box-shadow: 0 30px 80px -20px rgba(139, 92, 246, .35); }
.screen img { display: block; }
.screen-caption {
  padding: 18px 22px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  font-size: .95rem;
  color: #c7c2d9;
}
.screen-caption strong { color: #fff; font-weight: 600; }

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step {
  padding: 28px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 20px;
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 24px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
  box-shadow: 0 10px 26px -8px rgba(139, 92, 246, .6);
}
.step h3 { color: #fff; margin-top: 12px; }
.step p { margin: 0; font-size: .95rem; }

/* ---- Tech badges ---- */
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 860px;
  margin: 0 auto;
}
.tech-list span {
  padding: 10px 18px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  font-size: .9rem;
  color: #c7c2d9;
  font-weight: 500;
}

/* ---- FAQ ---- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 16px;
  padding: 20px 24px;
  transition: border-color .2s ease;
}
.faq details[open] { border-color: rgba(167, 139, 250, .35); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::after {
  content: "+";
  font-size: 1.5rem;
  color: #a78bfa;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 14px 0 0; font-size: .95rem; }

/* ---- CTA band ---- */
.cta-band {
  padding: 72px 48px;
  text-align: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, .18), rgba(99, 102, 241, .1));
  border: 1px solid rgba(167, 139, 250, .3);
  border-radius: 28px;
}
.cta-band h2 {
  background: linear-gradient(135deg, #fff, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-band .btn { margin-top: 16px; }

/* ---- Footer ---- */
footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  text-align: center;
  color: #8e8aa1;
  font-size: .9rem;
}
footer a { color: #c4b5fd; }
footer .brand { justify-content: center; margin-bottom: 16px; color: #fff; }