/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1419;
  --bg-surface: #161d27;
  --bg-surface-2: #1c2530;
  --fg: #f0f4f8;
  --fg-muted: #8899a6;
  --fg-dim: #4a5a6a;
  --accent: #F59E0B;
  --accent-dim: rgba(245,158,11,0.12);
  --border: rgba(255,255,255,0.07);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; }

.section-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ─── Nav ────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--fg);
}

.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 6rem 3rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(52px, 7vw, 88px);
  color: var(--fg);
  margin-bottom: 1.75rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 480px;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.stat { text-align: left; }

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ─── Hero Visual (Radar) ───────────────────────────────── */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 360px;
}

.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(245,158,11,0.18);
}

.radar-1 { width: 220px; height: 220px; }
.radar-2 { width: 300px; height: 300px; border-color: rgba(245,158,11,0.1); }
.radar-3 { width: 380px; height: 380px; border-color: rgba(245,158,11,0.06); }

.radar-center {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-blip {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
  box-shadow: 0 0 12px var(--accent);
}

.blip-1 { top: 15%; left: 58%; }
.blip-2 { top: 45%; right: 12%; }
.blip-3 { bottom: 22%; left: 28%; }
.blip-4 { top: 72%; right: 35%; }

/* ─── Problem ────────────────────────────────────────────── */
.problem {
  padding: 6rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.problem-header {
  margin-bottom: 4rem;
}

.problem-headline {
  font-size: clamp(36px, 4vw, 56px);
  color: var(--fg);
  margin-top: 0.75rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 3rem;
}

.problem-card {
  background: var(--bg-surface);
  padding: 2.5rem;
}

.problem-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 0.75rem;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.problem-cta {
  text-align: center;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--accent-dim);
}

.problem-cta p {
  font-family: var(--font-display);
  font-size: 22px;
  font-style: italic;
  color: var(--fg);
}

/* ─── Features ───────────────────────────────────────────── */
.features {
  padding: 6rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 3rem;
}

.features-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  color: var(--fg);
  margin-top: 0.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.feature-card {
  background: var(--bg-surface);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.feature-card-tall {
  grid-row: span 2;
}

.feature-icon-sm {
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 0.6rem;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 1.25rem;
}

.feature-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  width: fit-content;
}

.features-core {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 2.5rem;
}

.features-core h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--fg);
  margin-bottom: 0.75rem;
}

.features-core p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Compare ────────────────────────────────────────────── */
.compare {
  padding: 6rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.compare-header {
  margin-bottom: 3rem;
}

.compare-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  color: var(--fg);
  margin-top: 0.5rem;
}

.compare-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.compare-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.compare-row:last-child { border-bottom: none; }

.compare-row-header {
  background: var(--bg-surface);
}

.compare-row:not(.compare-row-header):nth-child(even) {
  background: var(--bg-surface);
}

.compare-cell {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  font-size: 14px;
}

.compare-row-header .compare-cell {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

.compare-row-header .compare-cell:not(:first-child) {
  justify-content: center;
}

.compare-label {
  color: var(--fg-muted);
  font-size: 14px;
}

.cell-check, .cell-x {
  justify-content: center;
}

/* ─── Testimonials ───────────────────────────────────────── */
.testimonials {
  padding: 5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  color: var(--fg);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ─── Closing ────────────────────────────────────────────── */
.closing {
  padding: 7rem 3rem 6rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(36px, 4.5vw, 60px);
  color: var(--fg);
  margin-bottom: 1.25rem;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 14px;
  color: var(--fg-muted);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem 3rem;
    gap: 2rem;
  }

  .hero-visual { display: none; }

  .hero-headline { font-size: 52px; }

  .nav { padding: 1.25rem 1.5rem; }
  .nav-tagline { display: none; }

  .problem, .features, .compare, .testimonials, .closing {
    padding: 4rem 1.5rem;
  }

  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-tall { grid-row: span 1; }
  .testimonial-grid { grid-template-columns: 1fr; }

  .compare-row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .compare-cell { padding: 0.75rem 1rem; font-size: 12px; }

  .hero-stats { gap: 1.5rem; }
  .stat-value { font-size: 28px; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr 1fr 1fr 1fr; }
  .compare-label { display: none; }
  .compare-row-header .compare-cell:first-child { display: none; }
}