/* ─── Dsremo Landing Page ─────────────────────────────────────────────── */

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

:root {
  --bg:          #0a0e1a;
  --surface:     #111827;
  --surface2:    #1a2234;
  --border:      #1e293b;
  --border2:     #2d3f5c;
  --cyan:        #06b6d4;
  --cyan-dim:    #0e7490;
  --purple:      #8b5cf6;
  --green:       #10b981;
  --amber:       #f59e0b;
  --red:         #ef4444;
  --text:        #f1f5f9;
  --text-muted:  #94a3b8;
  --text-dim:    #64748b;
  --radius:      12px;
  --radius-sm:   8px;
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Typography ──────────────────────────────────────────────────────────── */

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
h5 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 12px; }
p  { color: var(--text-muted); line-height: 1.7; }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--cyan);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cyan);
  color: #0a0e1a;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { background: #22d3ee; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(6,182,212,0.3); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border2);
  text-decoration: none;
  transition: var(--transition);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border2); background: var(--surface); }

.btn-large { padding: 14px 28px; font-size: 1rem; border-radius: 10px; }

/* ─── Navbar ─────────────────────────────────────────────────────────────── */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
#navbar.scrolled {
  background: rgba(10,14,26,0.95);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(to bottom, rgba(10,14,26,0.87) 0%, rgba(10,14,26,0.70) 45%, rgba(10,14,26,0.93) 100%),
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(6,182,212,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139,92,246,0.08) 0%, transparent 60%),
    url('https://images-assets.nasa.gov/image/PIA18156/PIA18156~large.jpg') center 30% / cover no-repeat;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--cyan);
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 { margin-bottom: 24px; }

.hero-sub {
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Hero chart */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(6,182,212,0.05);
}
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.chart-title {
  font-size: 0.78rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}
.status-badge {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
}
.status-anomaly {
  background: rgba(239,68,68,0.15);
  color: #fca5a5;
  border: 1px solid rgba(239,68,68,0.25);
}

.anomaly-chart { width: 100%; height: 160px; display: block; }
.chart-line { stroke-dasharray: 1000; stroke-dashoffset: 1000; animation: draw-line 2s ease forwards; }
.anomaly-line { animation: draw-line 2s 0.5s ease forwards; stroke-dasharray: 200; stroke-dashoffset: 200; }
.anomaly-point { animation: pop-in 0.3s 1.5s ease both; transform-origin: 330px 40px; transform: scale(0); }
@keyframes draw-line { to { stroke-dashoffset: 0; } }
@keyframes pop-in { to { transform: scale(1); } }

.anomaly-cards { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.anomaly-chip {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  padding: 6px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.chip-critical {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: #fca5a5;
}
.chip-info {
  background: rgba(6,182,212,0.07);
  border: 1px solid rgba(6,182,212,0.15);
  color: var(--text-muted);
}
.chip-dot {
  width: 6px; height: 6px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 1.5s infinite;
}

/* Hero satellite decoration */
.hero-visual {
  position: relative;
}
.hero-sat-glow {
  position: absolute;
  top: -60px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: url('https://images-assets.nasa.gov/image/PIA24105/PIA24105~large.jpg') center / cover no-repeat;
  border-radius: 50%;
  opacity: 0.12;
  filter: blur(3px);
  pointer-events: none;
  z-index: 0;
}
.chart-card { position: relative; z-index: 1; }

/* Hero stats */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-top: 72px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.01);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 24px 40px;
}
.stat-n { font-size: 2rem; font-weight: 800; color: var(--cyan); letter-spacing: -0.03em; }
.stat-l { font-size: 0.78rem; color: var(--text-muted); text-align: center; }
.stat-div { width: 1px; height: 40px; background: var(--border); }

/* ─── Sections ───────────────────────────────────────────────────────────── */

.section { padding: 96px 0; }
.section-alt { background: rgba(255,255,255,0.015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.15);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 20px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1rem; }

/* ─── How it works / Steps ───────────────────────────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 24px;
}
.step-arrow {
  font-size: 1.5rem;
  color: var(--border2);
  align-self: center;
  padding-top: 32px;
}
.step-num {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step-icon {
  width: 56px;
  height: 56px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.step h3 { margin-bottom: 12px; }
.step p { font-size: 0.9rem; margin-bottom: 16px; }

.step-example {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.8;
  white-space: pre-line;
}

.detector-mini-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.detector-tag {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
}
.detector-tag.stat { background: rgba(6,182,212,0.1); color: var(--cyan); border: 1px solid rgba(6,182,212,0.2); }
.detector-tag.ml   { background: rgba(139,92,246,0.1); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.2); }

.explanation-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 8px;
}
.exp-severity {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.exp-severity.critical { color: var(--red); }
.exp-text { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; line-height: 1.6; }

/* ─── Data Sources ───────────────────────────────────────────────────────── */

.sources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.source-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--transition), transform var(--transition);
}
.source-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.source-icon {
  width: 44px;
  height: 44px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.csv-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.05em;
}
.source-card h4 { font-size: 0.95rem; }
.source-card p  { font-size: 0.82rem; flex: 1; }
.source-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  width: fit-content;
}
.source-badge.free       { background: rgba(16,185,129,0.1); color: var(--green); border: 1px solid rgba(16,185,129,0.2); }
.source-badge.pro        { background: rgba(6,182,212,0.1);  color: var(--cyan);  border: 1px solid rgba(6,182,212,0.2); }
.source-badge.enterprise { background: rgba(139,92,246,0.1); color: #c4b5fd;      border: 1px solid rgba(139,92,246,0.2); }

/* ─── Detectors grid ─────────────────────────────────────────────────────── */

.detectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.detector-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition), transform var(--transition);
}
.detector-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.pro-detector { border-color: rgba(139,92,246,0.2); }
.pro-detector:hover { border-color: rgba(139,92,246,0.4); }
.detector-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.stat-badge { background: rgba(6,182,212,0.1); color: var(--cyan); border: 1px solid rgba(6,182,212,0.2); }
.ml-badge   { background: rgba(139,92,246,0.1); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.2); }
.detector-card h4 { margin-bottom: 8px; }
.detector-card p  { font-size: 0.82rem; margin-bottom: 12px; }
.detector-weight  { font-size: 0.72rem; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; }

/* ─── Pricing ────────────────────────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}
.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}
.plan-featured {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(6,182,212,0.2), 0 20px 40px rgba(6,182,212,0.05);
}
.plan-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: #0a0e1a;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-name { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin: 8px 0 4px; }
.price-num { font-size: 2.2rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.price-per { font-size: 0.85rem; color: var(--text-muted); }
.plan-desc { font-size: 0.82rem; color: var(--text-muted); }

.plan-limits {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.limit { font-size: 0.8rem; color: var(--text-muted); }
.limit-val { font-weight: 600; color: var(--text); }

.plan-features { list-style: none; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.plan-features li { font-size: 0.82rem; padding-left: 20px; position: relative; }
.feat-yes { color: var(--text-muted); }
.feat-yes::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.feat-no  { color: var(--text-dim); }
.feat-no::before  { content: '×'; position: absolute; left: 0; color: var(--text-dim); }

.btn-plan {
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
}
.btn-plan-pro {
  background: var(--cyan);
  color: #0a0e1a;
}
.btn-plan-pro:hover { background: #22d3ee; box-shadow: 0 4px 16px rgba(6,182,212,0.3); }
.btn-plan-free {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-plan-free:hover { background: var(--border); }

/* ─── Use cases ──────────────────────────────────────────────────────────── */

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.usecase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.usecase-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.usecase-icon { font-size: 2rem; margin-bottom: 14px; }
.usecase-card h4 { margin-bottom: 10px; }
.usecase-card p  { font-size: 0.82rem; }

/* ─── Photo Band ─────────────────────────────────────────────────────────── */

.photo-band {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  background:
    url('https://images-assets.nasa.gov/image/PIA25137/PIA25137~large.jpg') center 40% / cover no-repeat;
}
.photo-band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(6,182,212,0.14) 0%,
    rgba(10,14,26,0.78) 35%,
    rgba(10,14,26,0.88) 100%
  );
  display: flex;
  align-items: center;
  padding: 72px 0;
}
.photo-band-content { max-width: 780px; }
.photo-band-content .section-tag { display: inline-block; margin-bottom: 20px; }
.photo-band-content h2 { margin-bottom: 40px; }
.photo-band-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.pbs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 40px;
}
.pbs-n { font-size: 2.2rem; font-weight: 800; color: var(--cyan); letter-spacing: -0.04em; line-height: 1; }
.pbs-l { font-size: 0.8rem; color: var(--text-muted); max-width: 150px; line-height: 1.4; }
.pbs-div { width: 1px; height: 44px; background: rgba(255,255,255,0.15); margin-right: 40px; flex-shrink: 0; }

/* ─── Use case photo thumbnails ──────────────────────────────────────────── */

.usecase-thumb {
  width: calc(100% + 40px);
  height: 130px;
  margin: -28px -20px 18px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius) var(--radius) 0 0;
  position: relative;
}
.usecase-thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to bottom, transparent, var(--surface));
  border-radius: 0;
}

/* ─── FAQ ────────────────────────────────────────────────────────────────── */

.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 2px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item + .faq-item { margin-top: 8px; }

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--surface);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  gap: 12px;
  transition: background var(--transition);
  font-family: 'Inter', sans-serif;
}
.faq-q:hover { background: var(--surface2); }
.faq-arrow { font-size: 1.1rem; color: var(--text-muted); transition: transform 0.25s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-a {
  display: none;
  padding: 0 20px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.faq-item.open .faq-a { display: block; padding: 16px 20px; }
.faq-a p { font-size: 0.88rem; margin-bottom: 10px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a code { display: block; white-space: pre; margin-top: 10px; padding: 10px 14px; line-height: 1.8; }

/* ─── CTA ────────────────────────────────────────────────────────────────── */

.cta-section {
  padding: 96px 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(6,182,212,0.06) 0%, transparent 70%);
  border-top: 1px solid var(--border);
}
.cta-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.cta-inner h2 { margin-bottom: 16px; }
.cta-inner p  { margin-bottom: 32px; }
.cta-inner .btn-primary { margin: 0 auto; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  background: var(--surface);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; max-width: 320px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.85rem; color: var(--text-muted); text-decoration: none; transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.78rem; color: var(--text-dim); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .detectors-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .sources-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .photo-band-stats { gap: 0; flex-wrap: wrap; }
  .pbs { padding-right: 32px; }
  .pbs-div { margin-right: 32px; }
}

@media (max-width: 768px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-stats { flex-wrap: wrap; }
  .stat { padding: 20px 24px; }
  .steps { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .detectors-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .photo-band { min-height: 360px; background-attachment: scroll; }
  .pbs-div { display: none; }
  .pbs { padding-right: 0; width: 50%; padding-bottom: 24px; }
  .photo-band-stats { flex-wrap: wrap; }
  .usecase-thumb { height: 110px; }
}

@media (max-width: 768px) {
  /* Hero — reduce giant top padding, boost text contrast */
  .hero { padding: 90px 0 60px; }
  .hero h1 { font-size: clamp(2.2rem, 8vw, 3rem); color: #ffffff; }
  .hero-badge { color: #22d3ee; background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.3); }
  .hero-sub { font-size: 1rem; max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions a { text-align: center; }

  /* Section tags — brighter on mobile */
  .section-tag { color: #22d3ee; background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.3); }

  /* Steps — more breathing room */
  .step { padding: 28px 20px; }

  /* Stats row — 2 columns, reduce gap */
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; margin-top: 32px; }
  .stat-div { display: none; }
  .stat { padding: 16px 12px; }

  /* Pricing cards — full width padding */
  .pricing-card { padding: 28px 20px; }

  /* Section spacing — tighter on mobile */
  .section { padding: 60px 0; }
}