:root {
  --bg: #060915;
  --panel: #0c1224;
  --muted: #c3cbdd;
  --accent: #80f2e7;
  --accent-2: #9db7ff;
  --text: #f6f8ff;
  --card: #0f152c;
  --border: rgba(255,255,255,0.08);
  --radius: 16px;
  --shadow: 0 22px 60px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 15% 20%, rgba(128,242,231,0.08), transparent 32%),
              radial-gradient(circle at 82% 8%, rgba(157,183,255,0.08), transparent 32%),
              linear-gradient(180deg, #060915 0%, #060915 45%, #0a0f20 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  padding: 72px 7vw 36px;
  align-items: stretch;
  position: relative;
  overflow: hidden;
}

.hidden { display:none !important; }
.hero__content h1 { margin: 8px 0 12px; font-size: clamp(34px, 4vw, 48px); }
.lead { color: var(--muted); max-width: 720px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; color: var(--accent-2); margin: 0 0 8px; }

.cta-group { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
  background: transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}
.button.primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #0a0f1f; box-shadow: var(--shadow); }
.button.ghost { background: rgba(255,255,255,0.06); }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(0,0,0,0.28); text-decoration: none; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-top: 10px; }
.stat { padding: 12px; border-radius: var(--radius); border: 1px solid var(--border); background: rgba(255,255,255,0.03); }
.stat-number { display: block; font-weight: 700; font-size: 18px; }
.stat-label { color: var(--muted); font-size: 14px; }

.hero__visual {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 18px;
  align-items: stretch;
}
.hero__content,
.hero__visual { height: 100%; }
.hero__card { height: 100%; display: flex; flex-direction: column; }
.portrait {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow);
  object-fit: contain;
  opacity: 0.8;
  display: block;
  z-index: 2;
}
.hero__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}
.hero__label { color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 12px; margin: 0; }
.pill-list { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pill-list li { background: rgba(255,255,255,0.07); padding: 8px 12px; border-radius: 999px; font-size: 14px; }

.silicon-visual {
  position: relative;
  width: min(48vw, 320px);
  min-width: 240px;
  min-height: 240px;
  height: 100%;
  max-height: 460px;
  filter: drop-shadow(0 12px 30px rgba(0,0,0,0.35));
  display: grid;
  place-items: center;
  justify-self: center;
}
.silicon-visual .chip,
.silicon-visual .orbit { pointer-events: none; }
.silicon-visual .chip { width: 120px; height: 120px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-radius: 24px; position: absolute; top: 56px; left: 60px; opacity: 0.18; z-index: 0; }
.silicon-visual .orbit { position: absolute; width: 220px; height: 220px; border: 1px dashed rgba(255,255,255,0.18); border-radius: 50%; top: 8px; left: 8px; z-index: 0; }
.silicon-visual .orbit.small { width: 170px; height: 170px; top: 46px; left: 46px; }

.section { padding: 52px 7vw; }
.section__header { margin-bottom: 18px; }
.section__header h3 { margin: 4px 0 6px; font-size: 26px; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; color: var(--muted); }

.cards .grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid { display: grid; gap: 16px; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.card h4 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }
.icon-circle { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.08); border-radius: 12px; margin-bottom: 10px; font-size: 18px; }

.product__body { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; align-items: start; }
.product__details ul { list-style: disc; padding-left: 20px; color: var(--muted); margin-top: 0; }
.price { font-size: 22px; font-weight: 700; margin: 12px 0 6px; }
.paypal-container { min-height: 140px; display: flex; align-items: center; justify-content: center; background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius); padding: 16px; }
.status { margin-top: 12px; color: var(--muted); font-size: 14px; }
.download a { display: inline-block; margin-top: 12px; font-weight: 600; }

.contact { background: rgba(255,255,255,0.02); border-top: 1px solid var(--border); }
.contact__content { display: flex; flex-wrap: wrap; gap: 16px; }
.contact__form { flex: 1; min-width: 320px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
label { display: block; color: var(--text); font-weight: 600; font-size: 14px; }
input, textarea { width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,0.04); color: var(--text); font-family: inherit; }
input:focus, textarea:focus { outline: 2px solid var(--accent-2); }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.form-status { color: var(--muted); font-size: 14px; }

.footer { padding: 28px 7vw 32px; color: var(--muted); text-align: center; border-top: 1px solid var(--border); }
.footer__links { display: flex; justify-content: center; gap: 12px; margin-top: 8px; }
.link-button { background: none; border: none; color: var(--accent); cursor: pointer; font-weight: 600; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.65); display: flex; align-items: center; justify-content: center; padding: 18px; backdrop-filter: blur(2px); z-index: 2147483647; }
.modal.hidden { display: none; }
.modal__content { position: relative; background: var(--card); padding: 22px; border-radius: var(--radius); border: 1px solid var(--border); max-width: 520px; width: 100%; box-shadow: var(--shadow); }
.modal__close { position: absolute; top: 16px; right: 16px; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }
.modal__content h3 { margin-top: 0; }

@media (max-width: 1550px) {
  .hero__visual { grid-template-columns: 1fr; }
  .silicon-visual { display: none; }
}

@media (max-width: 750px) {
  .hero { padding-top: 48px; }
  .hero__visual { grid-template-columns: 1fr; justify-items: center; }
  .silicon-visual {
    width: 200px;
    height: 200px;
    margin-top: 10px;
  }
  .portrait { width: 150px; height: 170px; }
}