:root {
  --bg: #0b0b10;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted2: rgba(255, 255, 255, 0.6);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --radius2: 14px;
  --max: 1040px;
  --accent: #9b7bff;
  --accent2: #35d6c6;
  --danger: #ff5d5d;
  --ok: #45e38b;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(
      1200px 700px at 15% 20%,
      rgba(155, 123, 255, 0.22),
      transparent 55%
    ),
    radial-gradient(
      1200px 700px at 85% 15%,
      rgba(53, 214, 198, 0.18),
      transparent 55%
    ),
    radial-gradient(
      900px 600px at 60% 90%,
      rgba(255, 255, 255, 0.06),
      transparent 55%
    ),
    var(--bg);
  overflow-x: hidden;
}

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

.wrap {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 28px 18px 64px;
}

/* Top nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(11, 11, 16, 0.55);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(155, 123, 255, 0.12);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.chip {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  transition: transform 0.12s ease, background 0.12s ease;
}
.chip:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.07);
  text-decoration: none;
}
.chip.primary {
  color: rgba(255, 255, 255, 0.95);
  border-color: rgba(155, 123, 255, 0.35);
  background: linear-gradient(
    135deg,
    rgba(155, 123, 255, 0.22),
    rgba(53, 214, 198, 0.12)
  );
}

/* Layout blocks */
.grid {
  display: grid;
  gap: 16px;
}
.hero {
  margin-top: 18px;
}
.hero-card {
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.07),
    rgba(255, 255, 255, 0.03)
  );
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  padding: 26px;
  overflow: hidden;
  position: relative;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: radial-gradient(
      420px 240px at 15% 30%,
      rgba(155, 123, 255, 0.18),
      transparent 60%
    ),
    radial-gradient(
      420px 240px at 85% 25%,
      rgba(53, 214, 198, 0.14),
      transparent 60%
    );
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  gap: 18px;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}
h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.4px;
}
.sub {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 62ch;
}
.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease,
    border-color 0.12s ease;
}
.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}
.btn.primary {
  border-color: rgba(155, 123, 255, 0.35);
  background: linear-gradient(
    135deg,
    rgba(155, 123, 255, 0.24),
    rgba(53, 214, 198, 0.14)
  );
}
.meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  color: var(--muted2);
  font-size: 13px;
}
.meta span {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  padding: 7px 10px;
  border-radius: 999px;
}

.panel {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 18px;
}
.panel h3 {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0.2px;
}
.panel p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.kpi {
  display: grid;
  gap: 10px;
}
.kpi .row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}
.icon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: linear-gradient(
    135deg,
    rgba(155, 123, 255, 0.3),
    rgba(53, 214, 198, 0.2)
  );
  display: grid;
  place-items: center;
  font-weight: 800;
}
.row b {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}
.row small {
  color: var(--muted2);
  line-height: 1.4;
}

/* Sections */
section {
  scroll-margin-top: 80px;
  margin-top: 18px;
}
.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 26px 0 12px;
}
.section-title h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.2px;
}
.section-title .hint {
  color: var(--muted2);
  font-size: 13px;
}

.cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
}
.card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}
.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Samples (before/after) */
.sample {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  overflow: hidden;
}
.sample-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.sample-head b {
  font-size: 14px;
}
.toggle {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.toggle button {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}
.toggle button.active {
  color: rgba(255, 255, 255, 0.95);
  border-color: rgba(155, 123, 255, 0.35);
  background: rgba(155, 123, 255, 0.16);
}
.sample-body {
  padding: 14px;
  display: grid;
  gap: 10px;
}
.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted2);
  font-size: 13px;
  width: fit-content;
}

.textblock {
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  border-radius: 14px;
  padding: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
}
.mark {
  background: rgba(255, 93, 93, 0.14);
  border: 1px solid rgba(255, 93, 93, 0.18);
  padding: 0 4px;
  border-radius: 6px;
}
.good {
  background: rgba(69, 227, 139, 0.14);
  border: 1px solid rgba(69, 227, 139, 0.18);
  padding: 0 4px;
  border-radius: 6px;
}

/* Contact */
form {
  display: grid;
  gap: 10px;
}
label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: rgba(255, 255, 255, 0.92);
  outline: none;
}
textarea {
  min-height: 120px;
  resize: vertical;
}
.note {
  color: var(--muted2);
  font-size: 13px;
  line-height: 1.55;
}

footer {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted2);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 880px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
}