/* ═══════════════════════════════════════════════════════════════
   shared.css – Hannes Marschoun
   Scroll animations + full mobile layout
═══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:   #ffffff;
  --grey-50: #f7f6f3;
  --grey-100:#eeece8;
  --grey-200:#dedad4;
  --grey-400:#9e9a93;
  --grey-600:#5c5854;
  --grey-800:#2e2c29;
  --black:   #131210;
  --fg:      #131210;
  --muted:   #5c5854;
  --border:  #dedad4;
  --nav-h:   64px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--grey-50);
  color: var(--fg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   SCROLL-REVEAL SYSTEM
   .reveal        → base hidden state
   .reveal.from-left  → slides in from left
   .reveal.from-right → slides in from right
   .reveal.from-bottom → rises up (default)
   .reveal.scale  → scales up from 96%
   .is-visible    → triggers animation (added by JS)
═══════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transition: opacity .65s cubic-bezier(.22,1,.36,1),
              transform .65s cubic-bezier(.22,1,.36,1);
}
.reveal.from-bottom  { transform: translateY(48px); }
.reveal.from-left    { transform: translateX(-56px); }
.reveal.from-right   { transform: translateX(56px); }
.reveal.scale        { transform: scale(.96) translateY(24px); }

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* stagger delays for siblings */
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }
.reveal[data-delay="5"] { transition-delay: .5s; }

/* ═══════════════════════════════════════════════════════════════
   NAV – DESKTOP
═══════════════════════════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(247,246,243,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: transform .3s ease, opacity .3s ease;
}
nav.hidden-nav { transform: translateY(-100%); opacity: 0; pointer-events: none; }

.nav-inner {
  max-width: 1400px; margin: 0 auto; height: 100%;
  padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: .7rem;
  text-decoration: none; color: var(--fg); font-size: .875rem; font-weight: 600;
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--black); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: 'EB Garamond', serif; font-size: .75rem; font-weight: 700;
  flex-shrink: 0;
}
.nav-links {
  display: flex; align-items: center; gap: 1.75rem; list-style: none;
}
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: .875rem; font-weight: 500; transition: color .15s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--fg); }

/* ═══════════════════════════════════════════════════════════════
   HAMBURGER BUTTON (mobile only)
═══════════════════════════════════════════════════════════════ */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border: none; background: none; cursor: pointer;
  padding: 6px; border-radius: 8px;
  transition: background .15s;
}
.nav-hamburger:hover { background: var(--grey-100); }
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--fg); border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
  transform-origin: center;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════
   MOBILE DRAWER
═══════════════════════════════════════════════════════════════ */
.mobile-drawer {
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--black); z-index: 190;
  display: flex; flex-direction: column;
  padding: 2rem 1.5rem 3rem;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.22,1,.36,1);
  overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-drawer nav-link-item {
  display: block;
}
.mobile-drawer a {
  display: flex; align-items: center; justify-content: space-between;
  color: var(--white); text-decoration: none;
  font-family: 'EB Garamond', serif;
  font-size: clamp(2rem, 8vw, 3rem); font-weight: 400;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 1.1rem 0;
  transition: opacity .15s;
}
.mobile-drawer a:hover { opacity: .65; }
.mobile-drawer a .arrow { font-size: 1.2rem; opacity: .35; }
.mobile-drawer-footer {
  margin-top: auto; padding-top: 2rem;
  display: flex; gap: 1.25rem;
}
.mobile-drawer-footer a {
  font-family: 'Inter', sans-serif; font-size: .72rem; font-weight: 500;
  color: rgba(255,255,255,.35); border: none; padding: 0;
  border-bottom: none;
}

/* Hide desktop nav links on mobile, show hamburger */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ═══════════════════════════════════════════════════════════════
   PAGE HERO (dark header band)
═══════════════════════════════════════════════════════════════ */
.page-hero {
  background: var(--black);
  color: var(--white);
  padding: 6rem 1.5rem 4.5rem;
  margin-top: var(--nav-h);
  overflow: hidden;
}
.page-hero-inner { max-width: 1400px; margin: 0 auto; }
.page-eyebrow {
  font-size: .62rem; font-weight: 700; letter-spacing: .3em;
  text-transform: uppercase; color: rgba(255,255,255,.38);
  margin-bottom: 1rem; display: block;
}
.page-title {
  font-family: 'EB Garamond', serif;
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 500; line-height: .9; letter-spacing: -.03em;
  color: var(--white);
}
.page-title-sub {
  margin-top: 1.25rem;
  font-size: clamp(.9rem, 2.5vw, 1.05rem);
  color: rgba(255,255,255,.45); max-width: 520px; line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION LABELS + HEADINGS
═══════════════════════════════════════════════════════════════ */
.section-label {
  font-size: .6rem; font-weight: 700; letter-spacing: .3em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; display: block;
}
.section-label-light {
  font-size: .6rem; font-weight: 700; letter-spacing: .3em;
  text-transform: uppercase; color: rgba(255,255,255,.28); margin-bottom: 1rem; display: block;
}
.section-heading {
  font-family: 'EB Garamond', serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 500; letter-spacing: -.015em; line-height: 1.05;
}

hr.section-divider { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }

/* ═══════════════════════════════════════════════════════════════
   PROSE
═══════════════════════════════════════════════════════════════ */
.prose { font-size: 1rem; line-height: 1.8; color: var(--muted); max-width: 600px; }
.prose p + p { margin-top: 1.1rem; }
.prose strong { color: var(--fg); font-weight: 600; }

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════════════ */
.btn-small {
  display: inline-flex; align-items: center; gap: .4rem;
  border-radius: 999px; background: var(--black); color: var(--white);
  padding: .6rem 1.35rem; font-size: .82rem; font-weight: 600;
  text-decoration: none; transition: opacity .15s, transform .15s;
}
.btn-small:hover { opacity: .82; transform: translateY(-1px); }
.btn-small-outline {
  display: inline-flex; align-items: center; gap: .4rem;
  border-radius: 999px; border: 1px solid var(--border);
  color: var(--fg); padding: .6rem 1.35rem; font-size: .82rem; font-weight: 600;
  text-decoration: none; background: transparent;
  transition: background .15s, transform .15s;
}
.btn-small-outline:hover { background: var(--grey-100); transform: translateY(-1px); }
.btn-white {
  display: inline-flex; align-items: center; gap: .4rem;
  border-radius: 999px; background: var(--white); color: var(--black);
  padding: .6rem 1.35rem; font-size: .82rem; font-weight: 600;
  text-decoration: none; transition: opacity .15s, transform .15s;
}
.btn-white:hover { opacity: .88; transform: translateY(-1px); }

/* ═══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
footer {
  background: var(--black); color: rgba(255,255,255,.35);
  padding: 3rem 1.5rem; text-align: center; font-size: .78rem;
}
footer a { color: rgba(255,255,255,.35); text-decoration: none; margin: 0 .65rem; transition: color .15s; }
footer a:hover { color: rgba(255,255,255,.75); }
.footer-inner { max-width: 1400px; margin: 0 auto; }
.footer-links { margin-top: .65rem; }
.footer-social { display:flex; gap:1rem; margin-top:1rem; flex-wrap:wrap; }
.footer-social a { display:flex; align-items:center; gap:.4rem; color:rgba(255,255,255,.45); text-decoration:none; font-size:.78rem; margin:0; transition:color .15s; }
.footer-social a:hover { color:rgba(255,255,255,.85); }
.footer-social svg { width:16px; height:16px; flex-shrink:0; }
.social-links-section { display:flex; flex-wrap:wrap; gap:1rem; margin-top:1.5rem; }
.social-link-btn { display:inline-flex; align-items:center; gap:.5rem; padding:.6rem 1.1rem; border-radius:999px; border:1px solid var(--border); font-size:.82rem; font-weight:600; text-decoration:none; color:var(--ink); transition:background .15s,border-color .15s; }
.social-link-btn:hover { background:var(--ink); color:var(--bg); border-color:var(--ink); }

/* ═══════════════════════════════════════════════════════════════
   SHARED SCRIPT (inline in every page via <script> tag)
   This comment documents the JS pattern used.
═══════════════════════════════════════════════════════════════ */