/* ===== CSS RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #1B2A4E;
  --charcoal: #2D2D2D;
  --steel: #6B7E9B;
  --warm-white: #F8F8F6;
  --white: #FFFFFF;
  --lime: #CEFF00;
  --lime-dim: rgba(206, 255, 0, 0.12);
  --lime-border: rgba(206, 255, 0, 0.25);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', monospace;
  --max-w: 1200px;
  --pad-x: clamp(24px, 5vw, 80px);
  --pad-section: clamp(60px, 10vw, 120px);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--white); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 3px; }

::selection { background: var(--lime); color: var(--navy); }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
}
.nav-wordmark {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--charcoal); }
.nav-since {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  padding: 3px 8px;
  border: 1px solid var(--lime-border);
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 160px var(--pad-x) 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.eyebrow-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--navy);
  background: var(--lime);
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.eyebrow-dot {
  width: 4px; height: 4px;
  background: var(--steel);
  border-radius: 50%;
}
.eyebrow-text {
  font-size: 12px;
  color: var(--steel);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: italic;
  color: var(--charcoal);
}
.hero-sub {
  font-size: 17px;
  color: var(--steel);
  line-height: 1.7;
  max-width: 480px;
}

/* Hero UI mockup */
.hero-ui {
  background: var(--warm-white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 40px rgba(27, 42, 78, 0.08);
}
.ui-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.ui-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--charcoal);
  font-weight: 500;
}
.ui-label {
  font-size: 11px;
  color: var(--steel);
  font-weight: 500;
}
.ui-input-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.ui-input-group { display: flex; flex-direction: column; gap: 6px; }
.ui-label-sm {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ui-select {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--navy);
  font-weight: 500;
  cursor: pointer;
}
.ui-result {
  background: var(--navy);
  border-radius: 8px;
  padding: 18px 20px;
  color: var(--white);
}
.ui-result-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--lime);
  color: var(--navy);
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.ui-result-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
}
.ui-result-text strong { color: var(--lime); }
.ui-result-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  margin-top: 10px;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: var(--pad-section) var(--pad-x);
  background: var(--warm-white);
}
.manifesto-inner { max-width: var(--max-w); margin: 0 auto; }
.manifesto-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
}
.divider-line { flex: 1; height: 1px; background: var(--lime-border); }
.divider-diamond {
  width: 8px; height: 8px;
  background: var(--lime);
  transform: rotate(45deg);
}
.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 64px;
  max-width: 800px;
}
.manifesto-pain {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  padding: 28px 24px;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 8px;
  background: var(--white);
  transition: border-color 0.2s;
}
.pain-card:hover { border-color: var(--lime-border); }
.pain-icon { margin-bottom: 16px; }
.pain-text { font-size: 14px; line-height: 1.7; color: var(--charcoal); }

/* ===== PROOF ===== */
.proof {
  padding: var(--pad-section) var(--pad-x);
  background: var(--navy);
}
.proof-inner { max-width: var(--max-w); margin: 0 auto; }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.proof-stat {
  padding: 48px 40px;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.proof-stat:last-child { border-right: none; }
.proof-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}
.proof-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works { padding: var(--pad-section) var(--pad-x); background: var(--white); }
.how-inner { max-width: var(--max-w); margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub { font-size: 16px; color: var(--steel); max-width: 520px; margin: 0 auto; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}
.how-step { position: relative; }
.step-number {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--lime);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.step-title {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}
.step-body { font-size: 14px; color: var(--steel); line-height: 1.7; margin-bottom: 28px; }
.step-visual {
  background: var(--warm-white);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(0,0,0,0.06);
}
.viz-doc {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.doc-line {
  height: 8px;
  background: var(--charcoal);
  border-radius: 2px;
  width: 100%;
}
.doc-line.short { width: 65%; background: var(--steel); }
.viz-db {
  width: 52px; height: 52px;
  background: var(--navy);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.viz-input { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.input-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 4px;
}
.input-label { font-size: 11px; color: var(--steel); font-family: var(--font-mono); }
.input-val { font-size: 12px; font-weight: 600; color: var(--navy); }
.viz-output { width: 100%; }
.out-header {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel);
  margin-bottom: 8px;
}
.out-body {
  font-size: 13px;
  color: var(--navy);
  font-weight: 500;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 4px;
  padding: 8px 12px;
  margin-bottom: 4px;
}
.out-body.sm { font-size: 12px; color: var(--steel); font-weight: 400; }

/* ===== DUAL MODE ===== */
.dual-mode { padding: var(--pad-section) var(--pad-x); background: var(--warm-white); }
.dm-inner { max-width: var(--max-w); margin: 0 auto; }
.dm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dm-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 28px;
  overflow: hidden;
}
.dm-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.dm-mode-tag {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--navy);
}
.dm-mode-desc { font-size: 12px; color: var(--steel); }
.dm-example { display: flex; flex-direction: column; gap: 12px; }
.msg {
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  font-family: var(--font-body);
}
.msg.user {
  background: var(--lime-dim);
  color: var(--navy);
  border: 1px solid var(--lime-border);
}
.msg.bot { background: var(--navy); color: rgba(255,255,255,0.85); }
.msg.bot strong { color: var(--lime); }
.dm-fields { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.sf-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 12px;
  background: var(--warm-white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 4px;
}
.sf-label { font-family: var(--font-mono); font-size: 11px; color: var(--steel); text-transform: uppercase; letter-spacing: 0.06em; }
.sf-val { font-size: 13px; font-weight: 500; color: var(--navy); }
.dm-result {
  background: var(--navy);
  border-radius: 8px;
  padding: 14px 16px;
}
.dm-rec { display: flex; flex-direction: column; gap: 4px; }
.rec-tag { font-family: var(--font-mono); font-size: 10px; color: var(--lime); text-transform: uppercase; letter-spacing: 0.08em; }
.rec-name { font-size: 14px; font-weight: 600; color: var(--white); }

/* ===== PRINCIPLES ===== */
.principles { padding: var(--pad-section) var(--pad-x); background: var(--white); }
.prin-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.prin-left .section-header { text-align: left; }
.prin-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 20px;
}
.prin-body { font-size: 15px; color: var(--steel); line-height: 1.8; }
.prin-right { display: flex; flex-direction: column; gap: 16px; }
.principle-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 8px;
  transition: border-color 0.2s;
}
.principle-card:hover { border-color: var(--lime-border); }
.p-icon { flex-shrink: 0; margin-top: 2px; }
.p-title { font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.p-desc { font-size: 13px; color: var(--steel); line-height: 1.6; }

/* ===== CLOSING ===== */
.closing { padding: var(--pad-section) var(--pad-x); background: var(--navy); }
.closing-inner { max-width: var(--max-w); margin: 0 auto; }
.closing-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 80px; align-items: center; }
.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 24px;
}
.closing-sub { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.8; }
.closing-vision { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.vision-mark { opacity: 0.6; }
.vision-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
  text-align: center;
}
.vision-gallery-link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--lime);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.vision-gallery-link:hover { opacity: 0.75; }

/* ===== FOOTER ===== */
.footer { padding: 28px var(--pad-x); background: var(--warm-white); border-top: 1px solid rgba(0,0,0,0.06); }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 8px; }
.footer-name { font-weight: 600; font-size: 13px; color: var(--navy); }
.footer-meta { display: flex; align-items: center; gap: 10px; }
.footer-since { font-family: var(--font-mono); font-size: 11px; color: var(--lime); }
.footer-sep { color: var(--steel); font-size: 12px; }
.footer-location { font-size: 12px; color: var(--steel); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-ui { display: none; }
  .manifesto-pain { grid-template-columns: 1fr; gap: 16px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .how-steps { grid-template-columns: 1fr; }
  .dm-grid { grid-template-columns: 1fr; }
  .prin-inner { grid-template-columns: 1fr; gap: 40px; }
  .closing-grid { grid-template-columns: 1fr; gap: 40px; }
  .closing-vision { align-items: flex-start; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 120px var(--pad-x) 80px; min-height: auto; }
  .section-header { margin-bottom: 40px; }
  .how-steps { gap: 24px; }
  .manifesto-inner { padding-top: var(--pad-section); }
}