/* Shared components — header, sections, pillars, cards, preview frame, mesh viz. */

.container { max-width: 72rem; margin: 0 auto; padding-inline: 1.5rem; }
@media (min-width: 768px) { .container { padding-inline: 3rem; } }

/* ── Header ─────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 241, 232, .92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  max-width: 72rem; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .75rem 1.5rem;
}
@media (min-width: 768px) { .site-header-inner { padding: .85rem 3rem; } }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-name { font-family: var(--font-serif); font-weight: 500; font-size: 1.25rem; color: var(--ink); }
.brand-tag  { font-size: .78rem; color: var(--ink-faint); display: none; }
@media (min-width: 640px) { .brand-tag { display: inline; } }
.nav { display: none; gap: .25rem; }
@media (min-width: 900px) { .nav { display: flex; } }
.nav a {
  color: var(--ink-dim);
  font-size: .9rem;
  padding: .4rem .65rem;
  border-radius: 8px;
  text-decoration: none;
}
.nav a:hover { color: var(--ink); background: var(--surface-alt); text-decoration: none; }

/* ── Sections ─────────────────────────────────── */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 .8rem;
}
.lead { font-size: 1.06rem; color: var(--ink-dim); margin: 0 0 1.6rem; max-width: 38em; }

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-sans); font-size: .95rem; font-weight: 500;
  padding: .65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-dim);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--aud-motion-time), color var(--aud-motion-time), transform var(--aud-motion-time), box-shadow var(--aud-motion-time);
}
.btn:hover { background: var(--surface-alt); color: var(--ink); text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 4px 14px rgba(180,83,9,.25); }
.btn-ghost { background: transparent; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Three Pillars ────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 820px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--aud-radius);
  padding: 1.6rem;
  display: flex; flex-direction: column;
  transition: transform var(--aud-motion-time), box-shadow var(--aud-motion-time), border-color var(--aud-motion-time);
}
.pillar:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(44,24,16,.08); }
.pillar.is-method  { border-left-color: var(--info); }
.pillar.is-vnet    { border-left-color: var(--violet); }
.pillar h3 { margin-top: 0; }
.pillar .pillar-meta { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .55rem; }
.pillar .pillar-cta { margin-top: auto; padding-top: 1rem; }

.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent);
  padding: .15rem .55rem; border-radius: 999px;
}
.badge.experimental { background: #FFF7D6; color: #8A6A04; border: 1px solid #E5C97A; }

/* ── Skill cards (methodologies) ──────────────── */
.skills-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1.5rem;
}
@media (min-width: 720px) { .skills-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px){ .skills-grid { grid-template-columns: 1fr 1fr 1fr; } }
.skill-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--aud-radius);
  padding: 1.25rem;
  cursor: pointer;
  display: flex; flex-direction: column; gap: .55rem;
  transition: transform var(--aud-motion-time), box-shadow var(--aud-motion-time), border-color var(--aud-motion-time);
}
.skill-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(44,24,16,.08); border-color: var(--accent); }
.skill-card .icon {
  width: 2.2rem; height: 2.2rem; display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.4rem; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
}
.skill-card.color-violet .icon { background: rgba(124,92,184,.12); color: var(--violet); }
.skill-card.color-azure  .icon { background: rgba(42,92,138,.12); color: var(--info); }
.skill-card.color-sage   .icon { background: rgba(92,138,90,.12); color: var(--success); }
.skill-card.color-rose   .icon { background: rgba(184,68,58,.12); color: var(--rose); }
.skill-card h4 { font-family: var(--font-serif); font-weight: 500; font-size: 1.05rem; color: var(--ink); margin: 0; }
.skill-card .subtitle { font-size: .82rem; color: var(--ink-faint); margin: 0; }
.skill-card .when { font-size: .9rem; color: var(--ink-dim); margin: 0; }
.skill-card .meta { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .25rem; }
.skill-card .pill {
  font-family: var(--font-mono); font-size: .68rem;
  background: var(--surface-alt); color: var(--ink-dim);
  padding: .15rem .55rem; border-radius: 999px;
}
.skill-card .pill.tag-academic { background: rgba(124,92,184,.12); color: var(--violet); }
.skill-card .pill.tag-tech     { background: rgba(42,92,138,.12); color: var(--info); }

/* Skill modal — minimal lightbox */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(44,24,16,.55);
  display: none; align-items: flex-start; justify-content: center;
  z-index: 100; padding: 4rem 1rem; overflow-y: auto;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg); color: var(--ink);
  max-width: 44rem; width: 100%;
  border-radius: 16px; padding: 2rem;
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px rgba(0,0,0,.3);
}
.modal h3 { margin-top: 0; }
.modal .close { float: right; background: transparent; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--ink-dim); }

/* ── Cynefin matrix ───────────────────────────── */
.cynefin {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--aud-radius);
  overflow: hidden;
  margin: 1.5rem 0;
}
.cynefin > div {
  background: var(--surface);
  padding: 1.1rem;
}
.cynefin h4 { font-family: var(--font-mono); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 .4rem; color: var(--ink); }
.cynefin .rec { font-size: .82rem; color: var(--ink-dim); margin: .3rem 0 0; }
.cynefin .rec a { font-family: var(--font-mono); font-size: .78rem; }

/* ── Preview frame ────────────────────────────── */
.preview-banner {
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .82rem;
  text-align: center;
  padding: .55rem 1rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 1.25rem;
}
.preview-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(44,24,16,.10);
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2rem;
  min-height: 40rem;
  position: relative;
}
.preview-chrome {
  display: flex; gap: .35rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line);
}
.preview-chrome .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--surface-alt); }
.preview-chrome .dot:nth-child(1){ background:#E89292; }
.preview-chrome .dot:nth-child(2){ background:#E8C49A; }
.preview-chrome .dot:nth-child(3){ background:#A6CDA0; }
.preview-chrome .url {
  margin-left: 1rem; font-family: var(--font-mono); font-size: .82rem; color: var(--ink-faint);
}
.preview-step { padding: 2rem 1rem 1rem; }
.preview-step.hidden { display: none; }
.preview-step h3 { margin-top: 0; }
.step-progress {
  display: flex; gap: .35rem; margin-bottom: 1.5rem;
}
.step-progress .seg {
  flex: 1; height: 4px; background: var(--surface-alt); border-radius: 4px;
}
.step-progress .seg.done { background: var(--accent); }

.btn-row { display: flex; gap: .75rem; justify-content: space-between; align-items: center; padding-top: 1.25rem; }
.fake-input, .fake-slider {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface-alt); border: 1px solid var(--line);
  border-radius: 10px; padding: .65rem .85rem; margin: .5rem 0;
}
.fake-input span, .fake-slider span { font-family: var(--font-mono); font-size: .85rem; color: var(--ink-dim); }
.fake-slider .track { flex: 1; height: 4px; background: var(--line); border-radius: 4px; position: relative; }
.fake-slider .track::before {
  content: ''; position: absolute; left: 0; top: 0; height: 100%;
  width: var(--v, 50%); background: var(--accent); border-radius: 4px;
}
.fake-slider .track::after {
  content: ''; position: absolute; left: var(--v, 50%); top: 50%;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent);
  transform: translate(-50%, -50%);
}
.fake-slider .val { font-family: var(--font-mono); width: 2.5em; text-align: right; }

.ditem {
  background: var(--surface-alt); border: 1px solid var(--line);
  border-radius: 10px; padding: .85rem 1rem; margin: .5rem 0;
}
.ditem .label { font-weight: 500; color: var(--ink); }
.ditem .meta  { font-family: var(--font-mono); font-size: .78rem; color: var(--ink-faint); }

.cooldown {
  display: flex; flex-direction: column; align-items: center;
  padding: 3rem 1rem; gap: 1rem; color: var(--ink-dim);
}
.cooldown .timer {
  font-family: var(--font-mono); font-size: 2.4rem; color: var(--ink);
}
.cooldown .progress {
  width: 240px; height: 6px; background: var(--surface-alt); border-radius: 4px; overflow: hidden;
}
.cooldown .progress > div {
  height: 100%; background: var(--accent); width: 60%;
}

.result-row { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; align-items: center; }
@media (max-width: 720px) { .result-row { grid-template-columns: 1fr; } }
.result-list { list-style: none; padding: 0; margin: 0; }
.result-list li {
  display: flex; align-items: center; gap: .65rem;
  padding: .5rem 0; border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: .92rem;
}
.result-list .swatch { width: 12px; height: 12px; border-radius: 3px; }
.sensitivity {
  margin-top: 1rem;
  background: var(--surface-alt); border: 1px solid var(--line);
  border-radius: 10px; padding: .85rem 1rem;
}
.sensitivity summary { font-weight: 500; cursor: pointer; }
.sensitivity[open] { background: var(--accent-soft); }

.success-card {
  background: var(--surface); border: 1px solid var(--success);
  border-left: 4px solid var(--success);
  border-radius: var(--aud-radius);
  padding: 1.5rem; margin: 1rem auto; max-width: 28rem; text-align: center;
}
.success-card .check {
  width: 56px; height: 56px; border-radius: 50%; background: var(--success);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: .8rem;
}

/* ── v.net mesh viz ───────────────────────────── */
.mesh-block {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--aud-radius); padding: 1.5rem;
  margin: 2rem 0;
}
.mesh-block svg { width: 100%; height: auto; max-width: 720px; display: block; margin: 0 auto; }

.feature-trio {
  display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 2rem 0;
}
@media (min-width: 820px) { .feature-trio { grid-template-columns: repeat(3, 1fr); } }
.feature-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--aud-radius); padding: 1.25rem;
}
.feature-card .icon-large {
  font-size: 1.6rem; color: var(--violet);
  margin-bottom: .5rem; font-family: var(--font-mono);
}
.feature-card h4 { margin-top: 0; }
.feature-card .key { font-family: var(--font-mono); font-size: .78rem; color: var(--ink-faint); }

.honest-block {
  background: #FFF7D6; border: 1px solid #E5C97A; color: #5A4504;
  border-radius: var(--aud-radius); padding: 1.25rem 1.5rem; margin: 2rem 0;
}
.honest-block h4 { color: #5A4504; margin-top: 0; }
.honest-block ul { margin: .5rem 0 0; padding-left: 1.4rem; }

/* ── Footer ───────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem; color: var(--ink-dim); font-size: .85rem;
}
.site-footer a { color: var(--ink-dim); }

/* ── Beta banner ──────────────────────────────── */
.beta-banner {
  background: #FEF3C7; border-bottom: 1px solid #F59E0B;
  font-size: .85rem; color: #5A4504;
  padding: .55rem 1rem; text-align: center;
}
.beta-banner a { color: #5A4504; text-decoration: underline; }