/* ============================================================
   CONCEPT HORIZONTALS — styles.css
   Palette:  charcoal / ivory / amber
   Type:     Barlow Condensed (display & labels) + Source Serif 4 (body)
   Signature: the amber "horizon line" — a thin horizontal rule
              that anchors every section, echoing the firm's name.
   ============================================================ */

:root {
  /* Official brand tokens — from the concePt Horizontals logo set (Option B) */
  --charcoal:    #1C1C1E;  /* dark surfaces */
  --charcoal-2:  #29292C;  /* raised dark surface */
  --ivory:       #FAF7F2;  /* main light background */
  --ivory-2:     #EFECE6;  /* alternate light band */
  --amber:       #C8761A;  /* primary accent on light: buttons, links */
  --amber-light: #E8B96A;  /* accent on dark: stats, the P, horizon lines */
  --amber-deep:  #A85F12;  /* hover / borders on light */
  --ink:         #262522;  /* body text on ivory */
  --stone:       #4A4A4C;  /* muted captions on ivory (charcoal-dim) */
  --stone-dark:  #D4CFC8;  /* muted captions on charcoal (ivory-dim) */

  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;

  --max-w: 1120px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1.075rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--ivory);
}

img { max-width: 100%; display: block; }

a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ---------- Wordmark (official stacked lockup) ---------- */
.wordmark {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--font-display);
  text-decoration: none;
  color: var(--ivory);
  line-height: 1;
}
.wordmark .wm-top {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}
.wordmark .big-p {
  color: var(--amber-light);
  font-size: 1.32em;
  font-weight: 800;
  line-height: 0;
  vertical-align: -0.05em;
}
.wordmark .wm-bottom {
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  margin-top: 0.28rem;
  color: inherit;
}
.wordmark .wm-tagline {
  font-family: "Barlow", var(--font-body);
  font-weight: 300;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 0.45rem;
  color: var(--stone-dark);
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--charcoal);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(244, 239, 228, 0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--stone-dark);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.main-nav a:hover { color: var(--ivory); }
.main-nav a[aria-current="page"] {
  color: var(--ivory);
  border-bottom-color: var(--amber-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(244, 239, 228, 0.3);
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--charcoal-2);
    border-bottom: 2px solid var(--amber-light);
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 1rem;
  }
  .main-nav li { padding: 0 var(--pad-x); }
  .main-nav a { display: block; padding: 0.8rem 0; border-bottom: none; }
  .main-nav a[aria-current="page"] { color: var(--amber-light); }
}

/* ---------- Horizon rule (signature) ---------- */
.horizon {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}
.horizon::after {
  content: "";
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--amber), transparent 85%);
}
.eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-deep);
  white-space: nowrap;
}
.on-dark .eyebrow { color: var(--amber-light); }
.on-dark .horizon::after { background: linear-gradient(to right, var(--amber-light), transparent 85%); }

/* ---------- Headings ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0.005em;
  color: var(--charcoal);
}
.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--ivory); }

h1 { font-size: clamp(2.7rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.45rem; margin-bottom: 0.5rem; }

.lede {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.6;
  max-width: 46ch;
}

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--alt { background: var(--ivory-2); }
.section--dark { background: var(--charcoal); color: var(--ivory); }
.section--dark p { color: #d9d2c2; }

/* ---------- Hero ---------- */
.hero {
  background: var(--charcoal);
  color: var(--ivory);
  padding: clamp(4.5rem, 11vw, 8.5rem) 0 clamp(3.5rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* faint oversized P watermark, echoing the wordmark */
  content: "P";
  position: absolute;
  right: -0.05em;
  bottom: -0.32em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18rem, 42vw, 34rem);
  line-height: 1;
  color: rgba(232, 185, 106, 0.07);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 { max-width: 15ch; margin: 0.8rem 0 1.4rem; }
.hero .lede { color: #d9d2c2; margin-bottom: 2.4rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.8rem;
  border: 2px solid var(--amber);
  transition: background 160ms ease, color 160ms ease;
  cursor: pointer;
}
.on-dark .btn--ghost { border-color: var(--amber-light); }
.on-dark .btn--solid { background: var(--amber-light); border-color: var(--amber-light); }
.btn--solid { background: var(--amber); color: var(--charcoal); }
.btn--solid:hover { background: var(--ivory); border-color: var(--ivory); }
.btn--ghost { background: transparent; color: var(--ivory); }
.btn--ghost:hover { background: rgba(232, 185, 106, 0.15); }
.btn--ghost-dark { background: transparent; color: var(--charcoal); border-color: var(--amber-deep); }
.btn--ghost-dark:hover { background: var(--amber); color: var(--charcoal); }

/* ---------- Proof strip ---------- */
.proof-strip {
  background: var(--charcoal-2);
  border-top: 1px solid rgba(232, 185, 106, 0.35);
  padding: 2.4rem 0 1.9rem;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.8rem 2.2rem;
}
.stat .num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 4vw, 2.9rem);
  line-height: 1.05;
  color: var(--amber-light);
}
.stat .label {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone-dark);
}
.proof-caption {
  margin-top: 1.6rem;
  font-size: 0.95rem;
  color: var(--stone-dark);
  font-style: italic;
}

/* ---------- Card grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-top: 2.4rem;
}
.card {
  background: var(--ivory);
  border: 1px solid #DDD8CF;
  border-top: 3px solid var(--amber);
  padding: 1.6rem 1.5rem 1.5rem;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
a.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(34, 32, 28, 0.10);
}
.card p { font-size: 1rem; color: var(--stone); }
.card h3 { color: var(--charcoal); }

/* ---------- Two-column split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

/* ---------- Audience list ---------- */
.audience { list-style: none; margin-top: 1.8rem; }
.audience li {
  padding: 1.3rem 0;
  border-top: 1px solid #DDD8CF;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
}
.audience li:last-child { border-bottom: 1px solid #DDD8CF; }
.audience .who {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--charcoal);
  min-width: 15ch;
}
@media (max-width: 640px) { .audience li { grid-template-columns: 1fr; gap: 0.3rem; } }

/* ---------- CTA band ---------- */
.cta-band { text-align: left; }
.cta-band h2 { max-width: 22ch; }
.cta-band .btn { margin-top: 1.4rem; }

/* ---------- Services page ---------- */
.service {
  padding: clamp(2.4rem, 5vw, 3.4rem) 0;
  border-top: 1px solid #DDD8CF;
}
.service:first-of-type { border-top: none; }
.service h3 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 0.9rem;
}
.service .outcomes {
  margin-top: 1.1rem;
  padding: 1rem 1.3rem;
  background: var(--ivory-2);
  border-left: 3px solid var(--amber);
  font-size: 1rem;
}
.service .outcomes strong {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--amber-deep);
  display: block;
  margin-bottom: 0.25rem;
}

/* ---------- Prose (about, article) ---------- */
.prose { max-width: 68ch; }
.prose p { margin-bottom: 1.3rem; }
.prose h2 { margin-top: 2.6rem; }
.prose ul { margin: 0 0 1.3rem 1.3rem; }
.prose li { margin-bottom: 0.5rem; }

/* ---------- Insights ---------- */
.article-card {
  display: block;
  background: var(--ivory);
  border: 1px solid #DDD8CF;
  border-left: 4px solid var(--amber);
  padding: 1.8rem 1.8rem 1.6rem;
  text-decoration: none;
  max-width: 760px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(34, 32, 28, 0.10);
}
.article-card .pillar {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-deep);
}
.article-card h3 { margin: 0.5rem 0 0.6rem; font-size: 1.6rem; }
.article-card p { color: var(--stone); font-size: 1.02rem; }
.read-more {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--amber-deep);
}

.article-meta {
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.92rem;
  color: var(--stone);
  margin-bottom: 2rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 2.4rem;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.form-field { margin-bottom: 1.2rem; }
.form-field label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--charcoal);
  margin-bottom: 0.35rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  background: var(--ivory);
  border: 1px solid #C7C1B6;
  color: var(--ink);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: 3px solid var(--amber);
  outline-offset: 0;
  border-color: var(--amber);
}

.direct-channels {
  border-top: 3px solid var(--amber);
  background: var(--ivory-2);
  padding: 1.8rem 1.6rem;
}
.direct-channels h3 { margin-bottom: 1rem; }
.direct-channels p { margin-bottom: 0.9rem; font-size: 1rem; }
.direct-channels .chan {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.88rem;
  color: var(--amber-deep);
  display: block;
}

/* ---------- Page intro banner (inner pages) ---------- */
.page-intro {
  background: var(--charcoal);
  color: var(--ivory);
  padding: clamp(3.2rem, 7vw, 5rem) 0;
}
.page-intro h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); max-width: 18ch; margin-top: 0.8rem; }
.page-intro .lede { color: #d9d2c2; margin-top: 1.2rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal);
  color: var(--stone-dark);
  padding: 2.6rem 0;
  border-top: 2px solid var(--amber-light);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
}
.footer-nav ul { display: flex; flex-wrap: wrap; gap: 1.4rem; list-style: none; }
.footer-nav a {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--stone-dark);
}
.footer-nav a:hover { color: var(--ivory); }
.site-footer .copyright { font-size: 0.9rem; width: 100%; }


/* ============================================================
   PERSUASION UPGRADES
   ============================================================ */

/* ---------- Hero horizon lines (signature graphic) ---------- */
.hero-horizons {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 90px;
  pointer-events: none;
}
.hero-horizons span {
  position: absolute;
  left: 0;
  height: 1px;
  background: linear-gradient(to right, var(--amber-light), transparent);
}
.hero-horizons span:nth-child(1) { bottom: 64px; width: 34%; opacity: 0.5; }
.hero-horizons span:nth-child(2) { bottom: 46px; width: 52%; opacity: 0.4; }
.hero-horizons span:nth-child(3) { bottom: 28px; width: 72%; opacity: 0.3; }
.hero-horizons span:nth-child(4) { bottom: 10px; width: 100%; opacity: 0.22; }

/* ---------- Institutions trust strip ---------- */
.brand-strip {
  background: var(--ivory-2);
  border-bottom: 1px solid #DDD8CF;
  padding: 1.6rem 0;
}
.brand-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.4rem;
}
.brand-strip .strip-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-right: 0.6rem;
}
.brand-strip .inst {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.06rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  white-space: nowrap;
}
.brand-strip .dot { color: var(--amber); }

/* ---------- TRUFLO growth chart band ---------- */
.growth-band { position: relative; }
.growth-band .split { align-items: center; }
.growth-chart { width: 100%; height: auto; display: block; }
.growth-chart .axis { stroke: rgba(212, 207, 200, 0.25); stroke-width: 1; }
.growth-chart .curve {
  fill: none;
  stroke: var(--amber-light);
  stroke-width: 3;
  stroke-linecap: round;
}
.growth-chart .fill { fill: url(#growthFill); }
.growth-chart .chart-label {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 2px;
  text-transform: uppercase;
  fill: var(--stone-dark);
}
.growth-chart .chart-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  fill: var(--amber-light);
}
.growth-chart .marker { fill: var(--amber-light); }

/* Draw-in animation for the curve */
@keyframes drawCurve { to { stroke-dashoffset: 0; } }
.growth-chart .curve {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
}
.in-view .growth-chart .curve {
  animation: drawCurve 1.8s ease-out forwards;
}
@media (prefers-reduced-motion: reduce) {
  .growth-chart .curve { stroke-dasharray: none; stroke-dashoffset: 0; }
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}


/* ---------- Credential lines under proof strip ---------- */
.cred-lines {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 2.4rem;
  border-top: 1px solid rgba(212, 207, 200, 0.15);
  padding-top: 1.5rem;
}
@media (max-width: 760px) { .cred-lines { grid-template-columns: 1fr; } }
.cred {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--stone-dark);
}
.cred-lead {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-light);
  margin-bottom: 0.3rem;
}


/* ---------- Secondary line inside a stat cell ---------- */
.stat .sub-label {
  display: block;
  margin-top: 0.55rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--stone-dark);
}