/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #FAFAF8;
  --bg-alt: #F2F1EE;
  --fg: #1A1A1A;
  --fg-muted: #6B6B6B;
  --accent: #FF4D00;
  --accent-hover: #E64400;
  --dark-bg: #0D0D0D;
  --dark-fg: #F0EFE9;
  --dark-muted: #9A9A98;
  --border: #E0DED8;
}
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: #fff; }
h1,h2,h3 { font-family: 'Space Grotesk', system-ui, sans-serif; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(250,250,248,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.03em; }
nav { display: flex; gap: 2rem; }
nav a { font-size: 0.875rem; font-weight: 500; color: var(--fg-muted); text-decoration: none; transition: color 0.2s; }
nav a:hover { color: var(--fg); }

/* ===== HERO ===== */
.hero { padding: 9rem 3rem 6rem; border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }
.hero-content h1 { font-size: clamp(2.5rem,5vw,4rem); margin-bottom: 1.5rem; }
.lede { font-size: 1.1rem; color: var(--fg-muted); max-width: 420px; line-height: 1.7; }

/* ===== TOOL CARDS ===== */
.hero-visual { display: flex; flex-direction: column; gap: 1rem; }
.tool-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1.25rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04); transition: box-shadow 0.2s, transform 0.2s;
}
.tool-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }
.tool-tag { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--accent); background: rgba(255,77,0,0.08); padding: 0.3rem 0.75rem; border-radius: 6px; white-space: nowrap; min-width: 90px; text-align: center; }
.tool-desc { flex: 1; font-size: 0.875rem; color: var(--fg-muted); }
.tool-stat { display: flex; flex-direction: column; align-items: flex-end; }
.stat-num { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; }
.stat-label { font-size: 0.7rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ===== MANIFESTO ===== */
.manifesto { background: var(--dark-bg); color: var(--dark-fg); padding: 7rem 3rem; }
.manifesto-inner { max-width: 760px; margin: 0 auto; }
.manifesto-eyebrow { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 2.5rem; }
.manifesto blockquote { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.5rem,3vw,2.25rem); font-weight: 500; line-height: 1.35; border-left: 3px solid var(--accent); padding-left: 2rem; margin-bottom: 2.5rem; }
.manifesto-body { font-size: 1.05rem; color: var(--dark-muted); line-height: 1.75; margin-bottom: 1.25rem; }

/* ===== FEATURES ===== */
.features { padding: 7rem 3rem; border-bottom: 1px solid var(--border); }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-header { margin-bottom: 4rem; }
.section-label { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.25rem; }
.features-header h2 { font-size: clamp(2rem,4vw,3rem); max-width: 600px; }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.feature-item { padding: 2.5rem 2.5rem 2.5rem 0; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.feature-item:nth-child(3n) { border-right: none; }
.feature-item:nth-child(n+4) { border-bottom: none; }
.feature-item:nth-child(3n-1) { padding-left: 2.5rem; }
.feature-icon { width: 40px; height: 40px; background: rgba(255,77,0,0.08); border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; color: var(--accent); }
.feature-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.75rem; font-family: 'Space Grotesk', sans-serif; }
.feature-item p { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.65; }

/* ===== SPEC SECTION ===== */
.spec-section { padding: 7rem 3rem; border-bottom: 1px solid var(--border); }
.spec-inner { max-width: 1200px; margin: 0 auto; }
.spec-header { margin-bottom: 4rem; }
.spec-header h2 { font-size: clamp(2rem,4vw,3rem); max-width: 500px; }
.spec-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; margin-bottom: 4rem; }
.spec-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }
.spec-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; color: var(--accent); margin-bottom: 0.75rem; }
.spec-detail { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.65; }
.spec-pricing { display: flex; align-items: center; gap: 3rem; padding: 2.5rem 3rem; background: var(--dark-bg); border-radius: 16px; }
.pricing-item { display: flex; flex-direction: column; gap: 0.35rem; }
.pricing-type { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.pricing-range { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; color: var(--dark-fg); }
.pricing-note { font-size: 0.8rem; color: var(--dark-muted); }
.pricing-divider { width: 1px; height: 60px; background: #333; flex-shrink: 0; }

/* ===== MODEL ===== */
.model { padding: 7rem 3rem; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.model-inner { max-width: 1200px; margin: 0 auto; }
.model-header { margin-bottom: 4rem; }
.model-header h2 { font-size: clamp(2rem,4vw,3rem); }
.model-steps { display: flex; flex-direction: column; gap: 0; }
.step { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; align-items: start; padding: 2rem 0; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: none; }
.step-num { font-family: 'Space Grotesk', sans-serif; font-size: 2.5rem; font-weight: 700; color: var(--accent); opacity: 0.25; line-height: 1; padding-top: 0.25rem; }
.step-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; font-family: 'Space Grotesk', sans-serif; }
.step-content p { font-size: 0.95rem; color: var(--fg-muted); max-width: 560px; }

/* ===== CLOSING ===== */
.closing { padding: 8rem 3rem; text-align: center; }
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing-text { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.75rem,3.5vw,2.75rem); font-weight: 500; line-height: 1.3; }
.closing-text.accent { color: var(--accent); }

/* ===== FOOTER ===== */
footer { border-top: 1px solid var(--border); padding: 3rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 2rem; }
.footer-logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; }
.footer-note { font-size: 0.875rem; color: var(--fg-muted); flex: 1; }
.footer-copy { font-size: 0.8rem; color: var(--fg-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  header { padding: 1rem 1.5rem; }
  nav { display: none; }
  .hero { padding: 7rem 1.5rem 4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .features,.manifesto,.model,.spec-section { padding: 5rem 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item { border-right: none; padding: 1.5rem 0; }
  .spec-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 60px 1fr; gap: 1rem; }
  .step-num { font-size: 1.75rem; }
  .closing { padding: 5rem 1.5rem; }
  .spec-pricing { flex-direction: column; gap: 2rem; align-items: flex-start; }
  .pricing-divider { display: none; }
  footer { padding: 2rem 1.5rem; }
  .footer-inner { flex-wrap: wrap; gap: 1rem; }
  .footer-copy { width: 100%; }
}