:root {
  --text: #edf4ff;
  --muted: #9aa8c7;
  --accent: #7dffcf;
  --accent-2: #74d8ff;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.28);
  --radius-sm: 16px;
  --max-width: 1240px;
  --nav-height: 82px;
  --transition: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(125, 255, 207, 0.08), transparent 22%),
    radial-gradient(circle at 85% 10%, rgba(116, 216, 255, 0.08), transparent 24%),
    radial-gradient(circle at 50% 75%, rgba(139, 125, 255, 0.08), transparent 26%),
    linear-gradient(180deg, #060912 0%, #03060d 100%);
  overflow-x: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 30% 15%, rgba(125,255,207,0.10), transparent 24%),
    radial-gradient(circle at 75% 20%, rgba(116,216,255,0.10), transparent 22%),
    radial-gradient(circle at 60% 80%, rgba(139,125,255,0.08), transparent 25%);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 95%);
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--nav-height);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  background: rgba(4, 7, 15, 0.65);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-mark {
  width: 18px;
  height: 18px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

.brand-mark span {
  display: block;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(125, 255, 207, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 48px;
  height: 48px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  padding: 84px 0 56px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero h1 {
  font-size: clamp(2.9rem, 5vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
  max-width: 720px;
  margin-bottom: 22px;
}

.hero h1 span {
  display: block;
  background: linear-gradient(180deg, #ffffff 0%, #d4ffef 45%, #c8d8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.85;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  color: #04120f;
  background: linear-gradient(135deg, var(--accent), #c0fff0);
  box-shadow: 0 18px 36px rgba(125, 255, 207, 0.18);
  border: none;
}

.btn-secondary {
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.035);
  backdrop-filter: blur(14px);
}

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

.metric-card,
.feature-card,
.stack-card,
.cta-box,
.analysis-result {
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.022));
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.metric-card {
  padding: 20px;
}

.metric-card h3 {
  color: var(--accent);
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.metric-card p {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.95rem;
}

.dashboard-shell {
  border-radius: 30px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.028));
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.dashboard-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.dashboard-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.34);
}

.analyzer-panel {
  display: grid;
  gap: 18px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-header p {
  font-weight: 700;
}

.panel-header span {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.form-stack {
  display: grid;
  gap: 16px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.3;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: white;
  border-radius: 14px;
  outline: none;
  padding: 14px 16px;
  display: block;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.42);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.analyzer-actions {
  display: flex;
  justify-content: flex-start;
}

#analyzeBtn {
  border: none;
  cursor: pointer;
}

.analysis-result {
  display: none;
  padding: 22px;
  color: #dce6fb;
  line-height: 1.8;
}

.analysis-result h2,
.analysis-result h3,
.analysis-result h4 {
  color: white;
}

.analysis-result ul {
  padding-left: 20px;
  margin-top: 10px;
}

.section {
  padding: 96px 0;
}

.alt-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.018), rgba(255,255,255,0.008));
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-heading h2,
.capability-copy h2,
.cta-box h2 {
  font-size: clamp(2.1rem, 3.8vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.section-heading p,
.capability-copy p,
.feature-card p,
.stack-card p,
.cta-box p {
  color: var(--muted);
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  padding: 26px;
  min-height: 220px;
}

.feature-index {
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 18px;
  font-size: 1.1rem;
}

.feature-card h3,
.stack-card h3 {
  font-size: 1.24rem;
  margin-bottom: 14px;
}

.capability-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: start;
}

.capability-stack {
  display: grid;
  gap: 16px;
}

.stack-card {
  padding: 24px;
}

.cta-section {
  padding-top: 40px;
}

.cta-box {
  border-radius: 28px;
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer {
  padding: 34px 0 44px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer h3 {
  margin-bottom: 8px;
}

.footer p {
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .hero-layout,
  .capability-layout {
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .nav-links {
    position: absolute;
    top: calc(var(--nav-height) - 4px);
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(10, 14, 24, 0.95);
    box-shadow: 0 18px 42px rgba(0,0,0,0.28);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    padding-top: 52px;
  }

  .hero h1 {
    font-size: 2.7rem;
  }

  .hero-metrics,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-shell {
    padding: 16px;
  }

  .cta-box,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 78px 0;
  }
}