:root {
  --bg: #08111f;
  --panel: rgba(10, 20, 37, 0.78);
  --panel-solid: #0d1728;
  --card: #101d31;
  --text: #f2f7ff;
  --muted: #96a6c3;
  --line: rgba(255, 255, 255, 0.08);
  --primary: #56a3ff;
  --primary-strong: #2a7fff;
  --accent: #89f7c8;
  --danger: #ff6b7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(86, 163, 255, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(137, 247, 200, 0.1), transparent 22%),
    linear-gradient(180deg, #060d18 0%, #08111f 40%, #091424 100%);
  color: var(--text);
}

img,
video {
  max-width: 100%;
  display: block;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-shell {
  width: min(100%, calc(var(--container) + 48px));
  margin: 0 auto;
  padding: 0 24px 48px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  backdrop-filter: blur(18px);
  background: rgba(6, 13, 24, 0.72);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand span:last-child {
  display: grid;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #06111d;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav a:not(.btn) {
  color: var(--muted);
}

.nav a:not(.btn):hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.section,
.section-tight {
  padding: 56px 0;
}

.section-tight {
  padding-top: 12px;
  padding-bottom: 12px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding-top: 48px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(86, 163, 255, 0.12);
  border: 1px solid rgba(86, 163, 255, 0.2);
  color: #cbe2ff;
  margin-bottom: 18px;
  font-size: 0.92rem;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 11ch;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-text,
.section-head p,
.about-card p,
.article-card p,
.article-card li,
.faq-item p,
.contact-section p,
.summary-card p,
.disclaimer,
.metric-card small,
.visual-callout p,
.pricing-card li,
.results-empty p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions,
.cta-actions,
.camera-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  font-weight: 700;
  box-shadow: 0 18px 40px rgba(42, 127, 255, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 44px rgba(42, 127, 255, 0.34);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  box-shadow: none;
}

.btn-muted {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  box-shadow: none;
}

.btn-lg {
  min-height: 54px;
  padding: 0 22px;
}

.btn-sm {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 0.94rem;
}

.btn-block {
  width: 100%;
}

.hero-stats,
.contact-points,
.pricing-card ul,
.article-card ul,
.article-card ol {
  padding-left: 18px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  list-style: none;
  padding-left: 0;
  margin: 26px 0 0;
}

.hero-stats li,
.metric-card,
.feature-card,
.pricing-card,
.about-card,
.article-card {
  border: 1px solid var(--line);
}

.hero-stats li {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.hero-stats strong,
.metric-card strong,
.price {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.glass-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-visual,
.cta-card,
.contact-form,
.analyzer-panel,
.results-panel,
.article-card,
.about-card,
.feature-card,
.pricing-card {
  padding: 24px;
}

.dashboard-head,
.results-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.red { background: #ff647a; }
.yellow { background: #ffcc4d; }
.green { background: #6de09f; }

.mini-grid,
.feature-grid,
.about-grid,
.pricing-grid,
.metric-grid,
.article-grid {
  display: grid;
  gap: 18px;
}

.mini-grid,
.feature-grid,
.about-grid,
.pricing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-grid article,
.metric-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.mini-grid span,
.metric-card span,
.plan-tag {
  color: #a8bcde;
  font-size: 0.92rem;
}

.mini-grid strong,
.metric-card strong {
  margin: 8px 0;
  font-size: 1.4rem;
}

.visual-callout,
.summary-card,
.insight-box,
.hint-card,
.results-empty {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

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

.proof-strip > div {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.proof-strip strong {
  display: block;
  margin-bottom: 8px;
}

.proof-strip span,
.status-pill,
.results-empty strong,
.field-row label,
.contact-form label,
.footer p,
.proof-strip span {
  color: var(--muted);
}

.section-head {
  max-width: 760px;
  margin-bottom: 26px;
}

.analyzer-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}

.upload-toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.input-btn {
  position: relative;
  overflow: hidden;
}

.canvas-stage {
  position: relative;
  min-height: 380px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px dashed rgba(255, 255, 255, 0.18);
}

#previewImage,
#overlayCanvas,
#cameraVideo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#previewImage {
  display: none;
}

#overlayCanvas {
  position: absolute;
  inset: 0;
  cursor: crosshair;
  z-index: 2;
}

.stage-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px;
  gap: 8px;
  color: var(--muted);
}

.camera-wrap {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.camera-wrap video {
  max-height: 360px;
  background: #040811;
}

.hidden {
  display: none !important;
}

.analysis-controls {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.field-row {
  display: grid;
  gap: 10px;
}

.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(86, 163, 255, 0.5);
  box-shadow: 0 0 0 4px rgba(86, 163, 255, 0.1);
}

.results-content {
  display: grid;
  gap: 16px;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-pill {
  margin-left: auto;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
}

.about-grid,
.article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-card.featured {
  border-color: rgba(86, 163, 255, 0.5);
  transform: translateY(-6px);
}

.price {
  font-size: 2rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.form-feedback {
  min-height: 24px;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
}

.article-hero {
  max-width: 860px;
}

@media (max-width: 1080px) {
  .hero,
  .analyzer-layout,
  .contact-layout,
  .cta-card,
  .about-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip,
  .feature-grid,
  .pricing-grid,
  .mini-grid,
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .site-shell {
    padding: 0 16px 36px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav {
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(7, 14, 26, 0.96);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .proof-strip,
  .feature-grid,
  .pricing-grid,
  .mini-grid,
  .metric-grid,
  .hero-stats,
  .about-grid,
  .article-grid,
  .two-cols {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }

  .canvas-stage {
    min-height: 300px;
  }

  .topbar {
    align-items: center;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}