/* =================================================================
   Deep-Change Coaching — shared stylesheet
   Palette: warm limestone paper + deep petrol-teal + warm ink
   Type: Fraunces (display) / Hanken Grotesk (body)
   ================================================================= */

:root {
  /* colour */
  --paper:      #F3F0E8;   /* warm limestone background */
  --paper-soft: #FBF9F3;   /* lifted surface / cards     */
  --ink:        #232220;   /* warm near-black text       */
  --ink-soft:   #5A574F;   /* muted secondary text       */
  --ink-faint:  #8C887D;   /* captions / meta            */
  --line:       #DED8CB;   /* hairlines & borders        */
  --accent:     #235650;   /* deep petrol-teal           */
  --accent-2:   #2F6F66;   /* hover / lighter accent     */
  --accent-tint:#E7ECE7;   /* soft wash for markers      */

  /* type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* rhythm */
  --wrap: 1120px;
  --measure: 42rem;
  --section-y: clamp(4.5rem, 9vw, 8.5rem);
  --radius: 6px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.02rem, 0.4vw + 0.95rem, 1.12rem);
  line-height: 1.72;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 460;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.6em;
  font-optical-sizing: auto;
}
h1 { font-size: clamp(2.55rem, 4.6vw + 0.6rem, 4.15rem); letter-spacing: -0.022em; }
h2 { font-size: clamp(1.7rem, 2.4vw + 0.6rem, 2.5rem); }
h3 { font-size: clamp(1.18rem, 0.7vw + 1rem, 1.4rem); font-weight: 500; }
p  { margin: 0 0 1.1rem; }
strong { font-weight: 600; }

/* ---------- layout helpers ---------- */
.wrap { width: min(var(--wrap), 100% - 2.6rem); margin-inline: auto; }
.measure { max-width: var(--measure); }
.section { padding-block: var(--section-y); }
.section + .section { padding-top: 0; }
.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--accent);
  opacity: 0.55;
}

.lead { font-size: clamp(1.18rem, 0.8vw + 1.02rem, 1.42rem); line-height: 1.55; color: var(--ink); }
.lead:has(.portrait) { display: flex; align-items: flex-start; gap: 1.05rem; }
.muted { color: var(--ink-soft); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-body); font-size: 0.96rem; font-weight: 600;
  letter-spacing: 0.005em;
  padding: 0.82rem 1.5rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary { background: var(--accent); color: var(--paper-soft); }
.btn-primary:hover { background: var(--accent-2); color: var(--paper-soft); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); background: transparent; transform: translateY(-1px); }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { width: 26px; height: 30px; flex: none; }
.brand-text {
  font-family: var(--font-display); font-weight: 500; font-size: 1.18rem;
  line-height: 1; letter-spacing: -0.01em; display: flex; flex-direction: column;
}
.brand-sub { font-family: var(--font-body); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); margin-top: 3px; }

.site-nav { display: flex; align-items: center; gap: 0.35rem; }
.site-nav a {
  color: var(--ink-soft); font-size: 0.95rem; font-weight: 500;
  padding: 0.5rem 0.8rem; border-radius: 3px; position: relative;
  transition: color .2s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.is-current { color: var(--ink); }
.site-nav a.is-current::after {
  content: ""; position: absolute; left: 0.8rem; right: 0.8rem; bottom: 0.18rem;
  height: 1.5px; background: var(--accent); border-radius: 2px;
}
.site-nav .nav-cta {
  margin-left: 0.6rem; color: var(--accent); border: 1px solid var(--line);
  padding: 0.5rem 1.05rem;
}
.site-nav .nav-cta:hover { color: var(--paper-soft); background: var(--accent); border-color: var(--accent); }
.site-nav .nav-cta.is-current::after { display: none; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: transparent; border-radius: 4px; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 1.6px; background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after  { transform: translateY(4.4px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg) translateY(-0px); }

/* ---------- hero ---------- */
.hero { padding-top: clamp(2.5rem, 5vw, 4.5rem); }
.hero-head { max-width: 60rem; margin-bottom: clamp(1.8rem, 3.5vw, 3rem); }
.hero-body {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: start;
}
.hero h1 { margin-bottom: 0.4em; }
.hero .lead { max-width: 34rem; margin-bottom: 0.5rem; }
.hero-note { font-size: 0.9rem; color: var(--ink-faint); margin-top: 1.6rem; }

/* strata signature graphic */
.strata { width: 100%; max-width: 290px; margin-inline: auto; margin-top: 0.35rem; }
.strata .surface-line { stroke: var(--line); stroke-width: 1.4; }
.strata .road-line { stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.strata .hole-fill { stroke: none; }
.strata .root-line { stroke: var(--accent); stroke-width: 2.4; }
.strata .plumb { stroke: var(--ink-faint); stroke-width: 1; stroke-dasharray: 3 4; }
.strata .node { fill: var(--accent); }
.strata .halo { fill: var(--accent); opacity: 0.14; }
.strata .cap { fill: var(--ink-faint); font-family: var(--font-body); font-size: 9px;
  letter-spacing: 0.18em; text-transform: uppercase; }
.strata .label { fill: var(--accent); font-weight: 600; }

@media (prefers-reduced-motion: no-preference) {
  .strata .node-group { animation: breathe 4.5s var(--ease) infinite; transform-origin: center; }
  @keyframes breathe { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }
}

/* ---------- value cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 3rem; }
.card {
  background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem 1.8rem 2.1rem;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: #cfc8b8; }
.card .card-mark { margin-bottom: 1.3rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.99rem; }

/* ---------- process (depth sequence) ---------- */
.process { display: grid; gap: 0; margin-top: 2.5rem; }
.step {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.6rem;
  padding: 2rem 0; border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-depth { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.step-depth svg { width: 40px; }
.step-depth .step-num { font-family: var(--font-display); font-size: 1.05rem; color: var(--accent); }
.step h3 { margin-bottom: 0.35rem; }
.step p { color: var(--ink-soft); margin: 0; max-width: 40rem; }
.step .step-meta { font-size: 0.82rem; color: var(--ink-faint); letter-spacing: 0.04em; margin-top: 0.5rem; }

/* ---------- pull quote ---------- */
.pullquote {
  border-left: 2px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.8rem; margin: 0;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw + 0.6rem, 2.2rem); line-height: 1.3;
  color: var(--ink); max-width: 36rem;
}

/* ---------- two-column prose ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.split.narrow-left { grid-template-columns: 0.8fr 1.2fr; }
.prose p { color: var(--ink-soft); }
.prose p:first-of-type { color: var(--ink); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent); color: var(--paper-soft); border-radius: var(--radius); padding: clamp(2.6rem, 5vw, 4.2rem); }
.cta-band h2 { color: var(--paper-soft); }
.cta-band p { color: color-mix(in srgb, var(--paper-soft) 82%, var(--accent)); max-width: 34rem; }
.cta-band .btn-primary { background: var(--paper-soft); color: var(--accent); }
.cta-band .btn-primary:hover { background: #fff; color: var(--accent); }

/* ---------- FAQ accordion ---------- */
.faq-list { border-top: 1px solid var(--line); margin-top: 2.5rem; max-width: 50rem; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 1.5rem 2.5rem 1.5rem 0; position: relative;
  font-family: var(--font-display); font-size: clamp(1.1rem, 1vw + 0.95rem, 1.32rem);
  font-weight: 480; color: var(--ink); line-height: 1.3;
}
.faq-q:hover { color: var(--accent); }
.faq-q:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.faq-q .sign { position: absolute; right: 0; top: 1.65rem; width: 16px; height: 16px; }
.faq-q .sign::before, .faq-q .sign::after {
  content: ""; position: absolute; background: var(--accent); transition: transform .3s var(--ease);
}
.faq-q .sign::before { top: 7px; left: 0; width: 16px; height: 1.6px; }
.faq-q .sign::after  { left: 7px; top: 0; width: 1.6px; height: 16px; }
.faq-q[aria-expanded="true"] .sign::after { transform: rotate(90deg); opacity: 0; }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .35s var(--ease); }
.faq-a-inner { padding: 0 2.5rem 1.6rem 0; color: var(--ink-soft); max-width: 44rem; }
.faq-a-inner p { margin-bottom: 0.7rem; }
.faq-a-inner p:last-child { margin-bottom: 0; }

/* ---------- contact form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.form { display: grid; gap: 1.2rem; }
.field { display: grid; gap: 0.45rem; }
.field label { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; color: var(--ink-soft); }
.field input, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  background: var(--paper-soft); border: 1px solid var(--line); border-radius: 4px;
  padding: 0.85rem 0.95rem; width: 100%; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.field textarea { resize: vertical; min-height: 150px; }
.form-note { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.2rem; }
.form-status {
  display: none; margin-top: 0.4rem; padding: 0.9rem 1.1rem; border-radius: 4px;
  background: var(--accent-tint); color: var(--accent); font-size: 0.92rem;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.form-status.is-visible { display: block; }

.contact-aside dt { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-top: 1.6rem; }
.contact-aside dt:first-child { margin-top: 0; }
.contact-aside dd { margin: 0.3rem 0 0; font-size: 1.05rem; }

/* ---------- blog ---------- */
.blog-featured { margin-top: 2.5rem; }
.post-card {
  display: grid; background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.post-card:hover { transform: translateY(-3px); border-color: #cfc8b8; }
.post-card.featured { grid-template-columns: 1.05fr 1fr; grid-column: 1 / -1; }
.post-thumb { position: relative; aspect-ratio: 16 / 10; background: var(--accent-tint); overflow: hidden; }
.post-card.featured .post-thumb { aspect-ratio: auto; min-height: 280px; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-thumb .thumb-fallback { position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(150deg, #2c655d, #1c4a44); }
.post-thumb .thumb-fallback svg { width: 64px; opacity: 0.85; }
.post-body { padding: 1.7rem 1.7rem 1.9rem; display: flex; flex-direction: column; }
.post-card.featured .post-body { padding: clamp(1.8rem, 3vw, 2.6rem); justify-content: center; }
.post-tag { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.7rem; }
.post-card h3 { margin-bottom: 0.55rem; }
.post-card.featured h3 { font-size: clamp(1.5rem, 2vw + 0.8rem, 2.1rem); }
.post-summary { color: var(--ink-soft); font-size: 0.98rem; margin: 0 0 1.2rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { font-size: 0.82rem; color: var(--ink-faint); margin-top: auto; display: flex; gap: 0.6rem; align-items: center; }
.post-link { font-weight: 600; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 0.4rem; }
.post-link .arr { transition: transform .25s var(--ease); }
.post-card:hover .post-link .arr { transform: translateX(3px); }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 1.4rem; }
.blog-state { padding: 3rem 1.5rem; text-align: center; color: var(--ink-soft); border: 1px dashed var(--line); border-radius: var(--radius); margin-top: 2.5rem; }
.blog-state .btn { margin-top: 1.2rem; }
.skeleton { background: linear-gradient(100deg, var(--paper-soft) 30%, #efece3 50%, var(--paper-soft) 70%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-card { height: 320px; border-radius: var(--radius); border: 1px solid var(--line); }

/* ---------- portrait ---------- */
.portrait {
  width: 80px; height: 98px; object-fit: cover; object-position: center 20%;
  border-radius: 50%; border: 1px solid var(--line);
  box-shadow: 0 5px 14px -9px rgba(35, 86, 80, 0.4);
  flex: none;
}

/* ---------- credential lockup ---------- */
.credential {
  display: flex; align-items: center; gap: 1.1rem;
  margin-top: 1.6rem; padding: 1.05rem 1.2rem;
  background: var(--paper-soft); border: 1px solid var(--line); border-radius: var(--radius);
}
.credential > a { flex: none; display: block; line-height: 0; }
.credential img {
  width: 58px; height: 58px; flex: none; border-radius: 5px;
  background: #fff; border: 1px solid var(--line);
}
.credential p { margin: 0 !important; font-size: 0.95rem; color: var(--ink-soft) !important; line-height: 1.5; }
.credential .cred-label {
  display: block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.25rem;
}

/* ---------- page header band ---------- */
.page-head { padding-top: clamp(3rem, 6vw, 5.5rem); padding-bottom: clamp(2rem, 4vw, 3.5rem); }
.page-head h1 { margin-bottom: 0.4em; }
.page-head .lead { max-width: 40rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: var(--section-y); padding-top: clamp(3rem, 5vw, 4.5rem); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand p { color: var(--ink-soft); font-size: 0.95rem; max-width: 22rem; margin: 0; }
.footer-nav { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-nav a { color: var(--ink-soft); font-size: 0.95rem; width: fit-content; }
.footer-nav a:hover { color: var(--ink); }
.footer-meta { font-size: 0.92rem; color: var(--ink-soft); display: grid; gap: 0.55rem; align-content: start; }
.footer-meta a { color: var(--ink); }
.footer-meta .label { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.footer-base { border-top: 1px solid var(--line); padding-block: 1.5rem 2.5rem; font-size: 0.82rem; color: var(--ink-faint); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.3rem 1.4rem; transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .site-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .site-nav a { padding: 0.85rem 0.4rem; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .site-nav a.is-current::after { display: none; }
  .site-nav .nav-cta { margin: 0.9rem 0 0; justify-content: center; border-radius: 2px; }

  .hero-grid, .hero-body { grid-template-columns: 1fr; }
  .hero .strata-wrap { order: 2; }
  .strata { max-width: 280px; }
  .cards, .blog-grid { grid-template-columns: 1fr; }
  .split, .split.narrow-left, .contact-grid { grid-template-columns: 1fr; }
  .post-card.featured { grid-template-columns: 1fr; }
  .post-card.featured .post-thumb { min-height: 200px; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.8rem; }
  .step { grid-template-columns: 3.2rem 1fr; gap: 1rem; }
}

@media (max-width: 480px) {
  .btn { width: 100%; justify-content: center; }
  .btn-row .btn { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

::selection { background: color-mix(in srgb, var(--accent) 22%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }