/* ============================================
   ENTROPI COACHING - Global Stylesheet
   ============================================ */

:root {
  --bg:        #141410;
  --bg2:       #1c1c18;
  --bg3:       #242420;
  --bg4:       #2e2e28;
  --ink:       #edeae2;
  --ink2:      #b8b4a8;
  --ink3:      #7a7770;
  --ink4:      #4a4844;
  --amber:     #c8923a;
  --amber-dim: #7a5520;
  --border:    rgba(237,234,226,0.08);
  --border2:   rgba(237,234,226,0.14);
  --serif:     'Playfair Display', Georgia, serif;
  --sans:      'IBM Plex Sans', sans-serif;
  --mono:      'IBM Plex Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 300;
  line-height: 1.6; overflow-x: hidden;
}

/* ---- NAV ---- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 56px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(20,20,16,0.94); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: var(--serif); font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.nav-logo span { color: var(--amber); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: 0.63rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink3); text-decoration: none; transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta {
  font-family: var(--mono); font-size: 0.63rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--amber); text-decoration: none;
  border: 1px solid var(--amber-dim); padding: 0.42rem 1rem;
  transition: background 0.15s, color 0.15s;
}
.nav-cta:hover { background: var(--amber); color: var(--bg); }

/* ---- HAMBURGER MENU ---- */
.nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 32px; position: relative; z-index: 210;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-hamburger span {
  display: block; width: 20px; height: 1.5px; background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 199;
  background: rgba(20,20,16,0.98); backdrop-filter: blur(24px);
  flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink2); text-decoration: none; transition: color 0.15s;
  padding: 0.6rem 0;
}
.mobile-menu a:hover { color: var(--ink); }
.mobile-menu .nav-cta {
  margin-top: 1rem; font-size: 0.7rem; padding: 0.6rem 1.4rem;
}

/* ---- SHARED SECTION STYLES ---- */
section { padding: 5.5rem 2.5rem; }
.section-eyebrow {
  font-family: var(--mono); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber);
  margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.75rem;
}
.section-eyebrow::before { content: ''; width: 18px; height: 1px; background: var(--amber-dim); display: block; }

/* ---- PAGE HEADER (sub-pages) ---- */
.page-header {
  padding: 9rem 2.5rem 5rem; border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end;
}
.page-eyebrow {
  font-family: var(--mono); font-size: 0.63rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber);
  margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.75rem;
}
.page-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--amber); display: block; }
.page-h1 {
  font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 400; line-height: 1.05; color: var(--ink);
}
.page-h1 em { font-style: italic; color: var(--ink3); display: block; }
.page-intro { font-size: 1rem; color: var(--ink2); line-height: 1.9; }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--amber); color: var(--bg);
  font-family: var(--mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  padding: 0.85rem 1.6rem; transition: opacity 0.15s, gap 0.15s; white-space: nowrap;
}
.btn-primary:hover { opacity: 0.85; gap: 0.9rem; }
.btn-primary::after { content: '>'; font-family: var(--mono); }
.btn-ghost {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink3); text-decoration: none;
  border-bottom: 1px solid var(--border2); padding-bottom: 0.2rem;
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--ink); }

/* ---- FOOTER ---- */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 2.5rem; display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 2rem;
}
.footer-logo { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); }
.footer-logo span { color: var(--amber); }
.footer-tagline {
  font-family: var(--mono); font-size: 0.58rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink4); margin-top: 0.3rem;
}
.footer-links { display: flex; gap: 1.75rem; list-style: none; justify-content: center; }
.footer-links a {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink3); text-decoration: none; transition: color 0.15s;
}
.footer-links a:hover { color: var(--ink); }
.footer-contact { text-align: right; font-size: 0.82rem; color: var(--ink3); line-height: 1.8; }
.footer-contact a { color: var(--ink2); text-decoration: none; transition: color 0.15s; }
.footer-contact a:hover { color: var(--ink); }

/* ---- ANIMATIONS ---- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---- CTA SECTION (reused) ---- */
.cta-section {
  background: var(--bg); padding: 5rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 3rem;
}
.cta-heading {
  font-family: var(--serif); font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 400; line-height: 1.1; color: var(--ink);
}
.cta-heading em { font-style: italic; color: var(--ink3); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  nav { padding: 0 1.25rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .page-header { grid-template-columns: 1fr; padding: 8rem 1.5rem 3rem; gap: 2rem; }
  section { padding: 4rem 1.5rem; }

  .cta-section { flex-direction: column; align-items: flex-start; }

  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-contact { text-align: center; }
  .footer-links { justify-content: center; }
}