/* ============================================================
   PtahCast — Design System
   Palette: deep lapis + burnished gold + papyrus sand
   Type: Cinzel (monumental) + Inter (modern) + JetBrains Mono (data)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== Tokens ===== */
:root {
  /* Lapis-based palette */
  --bg-void:      #080d14;
  --bg-lapis:     #0c1520;
  --bg-surface:   #0f1d2d;
  --bg-raised:    #152437;
  --bg-highlight: #1a2d42;

  /* Borders */
  --border-stone: #253d58;
  --border-faint: #1a2d40;

  /* Gold */
  --gold:         #c8a84b;
  --gold-bright:  #e6c55a;
  --gold-dim:     #a8892a;    /* bumped up from #8a6f2a — was invisible */
  --gold-soft:    rgba(200, 168, 75, 0.10);
  --gold-glow:    rgba(200, 168, 75, 0.06);

  /* Sand / papyrus — all bumped for legibility */
  --sand:         #d4c5a9;
  --sand-muted:   #b0a08a;    /* bumped from #8a7d66 — primary secondary text */
  --sand-dim:     #7a6e5c;    /* decorative use only, not body text */

  /* Ink — all bumped for legibility */
  --ink:          #eae8e2;
  --ink-muted:    #b8b2aa;    /* bumped from #9a9288 — readable secondary */
  --ink-dim:      #7a746c;    /* decorative/non-critical only */

  /* Accent */
  --lapis-bright: #2d6b9f;

  /* Type */
  --font-monument: 'Cinzel', serif;
  --font-body:     'Inter', sans-serif;
  --font-data:     'JetBrains Mono', monospace;

  /* Geometry */
  --radius:    6px;
  --radius-sm: 3px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

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

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--gold-bright); }

/* ===== Shared layout ===== */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Navigation ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 13, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-stone);
  padding: 0 32px;
}

.nav__inner {
  max-width: 1080px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__wordmark {
  font-family: var(--font-monument);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  text-decoration: none;
}

.nav__wordmark span {
  color: var(--sand);
  font-weight: 400;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.build-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--gold-dim);
  border-radius: 20px;
  padding: 4px 12px;
  text-transform: uppercase;
}

.build-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== Egyptian frieze divider ===== */
.frieze {
  width: 100%;
  height: 28px;
  overflow: hidden;
  opacity: 0.6;
}

.frieze--gold {
  opacity: 0.5;
  margin: 0;
}

/* ===== Hero ===== */
.hero {
  background: var(--bg-lapis);
  padding: 96px 32px 80px;
  position: relative;
  overflow: hidden;
}

/* Subtle lapis texture — diagonal grain */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      rgba(45, 107, 159, 0.04) 0px,
      rgba(45, 107, 159, 0.04) 1px,
      transparent 1px,
      transparent 24px
    );
  pointer-events: none;
}

.hero__inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin: 0 0 20px;
}

.hero__headline {
  font-family: var(--font-monument);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 24px;
  letter-spacing: 0.01em;
}

.hero__headline em {
  font-style: normal;
  color: var(--gold);
}

.hero__sub {
  font-size: 16px;
  color: var(--sand-muted);
  line-height: 1.7;
  margin: 0;
  max-width: 480px;
}

/* ===== Forecast demo (signature element) ===== */
.forecast-demo {
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 28px 32px;
  position: relative;
}

/* Cartouche-style top accent */
.forecast-demo::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 32px;
  right: 32px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.forecast-demo__label {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sand-muted);   /* was sand-faint — now readable */
  margin: 0 0 6px;
}

.forecast-demo__title {
  font-size: 13px;
  color: var(--ink-muted);    /* was a darker value — now readable */
  margin: 0 0 22px;
  font-weight: 400;
}

.forecast-demo__title strong {
  color: var(--sand);
  font-weight: 500;
}

.forecast-row {
  display: grid;
  grid-template-columns: 36px 1fr 64px;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.forecast-row:last-of-type { margin-bottom: 0; }

.forecast-pct {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--ink-muted);    /* was ink-faint — bumped to readable */
  text-align: right;
}

.forecast-row--highlight .forecast-pct {
  color: var(--gold);
  font-weight: 500;
}

.forecast-track {
  height: 6px;
  background: var(--bg-raised);
  border-radius: 3px;
  overflow: hidden;
}

.forecast-fill {
  height: 100%;
  background: var(--border-stone);
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.forecast-row--highlight .forecast-fill {
  background: var(--gold);
}

.forecast-date {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--ink-muted);    /* was ink-faint — bumped to readable */
  text-align: right;
  white-space: nowrap;
}

.forecast-row--highlight .forecast-date {
  color: var(--gold-bright);
  font-weight: 500;
}

.forecast-meta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-faint);
  font-family: var(--font-data);
  font-size: 10px;
  color: var(--sand-muted);   /* was sand-faint — bumped to readable */
  letter-spacing: 0.04em;
}

.forecast-vs {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.forecast-vs__old {
  font-family: var(--font-data);
  color: var(--ink-muted);    /* was ink-faint — bumped to readable */
  text-decoration: line-through;
  text-decoration-color: var(--ink-dim);
}

.forecast-vs__new {
  font-family: var(--font-data);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* ===== Section base ===== */
.section {
  padding: 80px 32px;
}

.section--dark {
  background: var(--bg-void);
}

.section--surface {
  background: var(--bg-lapis);
}

.section__eyebrow {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

.section__heading {
  font-family: var(--font-monument);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}

.section__sub {
  font-size: 16px;
  color: var(--sand-muted);
  line-height: 1.7;
  margin: 0 0 48px;
  max-width: 600px;
}

/* ===== Problem section ===== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 48px;
}

.problem-card {
  background: var(--bg-surface);
  padding: 32px;
}

.problem-card:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.problem-card:last-child  { border-radius: 0 var(--radius) var(--radius) 0; }

.problem-card__glyph {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.problem-card--old .problem-card__glyph { color: var(--ink-muted); }
.problem-card--new .problem-card__glyph { color: var(--gold); }

.problem-card__headline {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.3;
}

.problem-card--old .problem-card__headline { color: var(--sand-muted); }
.problem-card--new .problem-card__headline { color: var(--ink); }

.problem-card__body {
  font-size: 14px;
  color: var(--sand-muted);
  line-height: 1.7;
  margin: 0;
}

/* ===== Three pillars ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 8px;
}

.pillar {
  background: var(--bg-surface);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}

.pillar:first-child  { border-radius: var(--radius) 0 0 var(--radius); }
.pillar:last-child   { border-radius: 0 var(--radius) var(--radius) 0; }

/* Subtle vertical accent line at top */
.pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  width: 24px;
  height: 2px;
  background: var(--gold);
}

.pillar__number {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);          /* was gold-dim which was invisible — now full gold */
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.pillar__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--sand);
  margin: 0 0 12px;
}

.pillar__body {
  font-size: 14px;
  color: var(--sand-muted);
  line-height: 1.7;
  margin: 0;
}

.pillar__tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-muted);     /* was sand-faint — bumped to readable */
  background: var(--bg-raised);
  border: 1px solid var(--border-stone);
  border-radius: 2px;
  padding: 3px 8px;
}

/* ===== Build in public section ===== */
.build-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-stone);
  border-bottom: 1px solid var(--border-stone);
}

.build-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.phase-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phase {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-faint);
  position: relative;
}

.phase:first-child { padding-top: 0; }
.phase:last-child  { border-bottom: none; padding-bottom: 0; }

.phase__indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--border-stone);
  background: var(--bg-raised);
  margin-top: 4px;
  flex-shrink: 0;
}

.phase--active .phase__indicator {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 12px rgba(200, 168, 75, 0.4);
}

.phase--done .phase__indicator {
  border-color: var(--gold-dim);
  background: var(--gold-dim);
}

.phase__name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);     /* was ink-faint for done state — now readable */
  margin-bottom: 2px;
}

.phase--active .phase__name { color: var(--ink); }

.phase__desc {
  font-size: 13px;
  color: var(--sand-muted);    /* was sand-faint — bumped to readable */
  line-height: 1.5;
}

.phase--active .phase__desc { color: var(--sand-muted); }

/* ===== Signup ===== */
.signup-block {
  margin-top: 48px;
}

.signup-block__label {
  font-size: 14px;
  color: var(--sand-muted);
  margin-bottom: 14px;
}

.signup-form {
  display: flex;
  gap: 8px;
}

.signup-input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s;
}

.signup-input::placeholder { color: var(--ink-dim); }
.signup-input:focus { border-color: var(--gold); }

.signup-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: #0a0806;
  background: var(--gold);
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.signup-btn:hover { background: var(--gold-bright); }

/* ===== LinkedIn CTA ===== */
.follow-block {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--sand-muted);
}

.follow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-weight: 500;
  font-size: 13px;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 1px;
  transition: border-color 0.15s, color 0.15s;
}

.follow-link:hover {
  color: var(--gold-bright);
  border-color: var(--gold-bright);
}

/* Build summary card */
.build-summary {
  background: var(--bg-raised);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}

.build-summary::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 28px;
  right: 28px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.build-summary__title {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}

.build-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-faint);
  font-size: 13px;
  gap: 16px;
}

.build-stat:last-child { border-bottom: none; padding-bottom: 0; }

.build-stat__key {
  color: var(--sand-muted);
  flex-shrink: 0;
}

.build-stat__val {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--ink-muted);     /* was darker — now readable */
  text-align: right;
}

.build-stat__val--gold {
  color: var(--gold);
  font-weight: 500;
}

.build-stat__val--struck {
  color: var(--ink-dim);
  text-decoration: line-through;
  text-decoration-color: var(--ink-dim);
}

/* ===== Philosophy strip ===== */
.philosophy {
  background: var(--bg-void);
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
  padding: 48px 32px;
  text-align: center;
}

.philosophy__quote {
  font-family: var(--font-monument);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 400;
  color: var(--sand);
  letter-spacing: 0.02em;
  line-height: 1.4;
  max-width: 720px;
  margin: 0 auto 14px;
}

.philosophy__quote em {
  font-style: normal;
  color: var(--gold);
}

.philosophy__attr {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sand-muted);    /* was sand-faint — bumped to readable */
}

/* ===== Why Ptah? ===== */
.why-ptah {
  background: var(--bg-lapis);
  padding: 80px 32px;
  border-top: 1px solid var(--border-stone);
}

.why-ptah__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.why-ptah__cartouche {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.why-ptah__eyebrow {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

.why-ptah__heading {
  font-family: var(--font-monument);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin: 0 0 36px;
}

.why-ptah__body {
  text-align: left;
}

.why-ptah__body p {
  font-size: 15px;
  color: var(--sand-muted);
  line-height: 1.8;
  margin: 0 0 18px;
}

.why-ptah__body p:last-child {
  margin-bottom: 0;
}

.why-ptah__body em {
  font-style: normal;
  color: var(--sand);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-void);
  border-top: 1px solid var(--border-stone);
  padding: 36px 32px;
}

.footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer__wordmark {
  font-family: var(--font-monument);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
}

.footer__wordmark span {
  color: var(--sand-muted);
  font-weight: 400;
}

.footer__copy {
  font-size: 12px;
  color: var(--ink-muted);     /* was ink-faint — bumped to readable */
}

.footer__nav {
  display: flex;
  gap: 20px;
}

.footer__link {
  font-size: 12px;
  color: var(--sand-muted);
  transition: color 0.15s;
}

.footer__link:hover { color: var(--gold); }

/* ===== Utility ===== */
.text-gold  { color: var(--gold); }
.text-sand  { color: var(--sand); }
.text-muted { color: var(--sand-muted); }
.mono       { font-family: var(--font-data); }

/* ===== Accessibility ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero__inner    { grid-template-columns: 1fr; gap: 48px; }
  .problem-grid   { grid-template-columns: 1fr; }
  .problem-card:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .problem-card:last-child  { border-radius: 0 0 var(--radius) var(--radius); }
  .pillars        { grid-template-columns: 1fr; }
  .pillar:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .pillar:last-child  { border-radius: 0 0 var(--radius) var(--radius); }
  .build-inner    { grid-template-columns: 1fr; gap: 48px; }
  .footer__inner  { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .container, .container--narrow { padding: 0 20px; }
  .section   { padding: 60px 20px; }
  .nav       { padding: 0 20px; }
  .hero      { padding: 64px 20px 60px; }
  .build-inner { padding: 60px 20px; }
  .signup-form { flex-direction: column; }
  .signup-btn  { width: 100%; }
}