/* Droptine wireframe — grayscale, system type, no decoration beyond structure */

:root {
  --ink: #141414;
  --body: #333;
  --muted: #6b6b6b;
  --line: #d6d6d6;
  --line-soft: #e6e6e6;
  --bg: #ffffff;
  --bg-alt: #f4f4f4;
  --bg-dark: #181818;
  --dark-ink: #f2f2f2;
  --dark-muted: #a8a8a8;
  --dark-line: #3a3a3a;
  --maxw: 1060px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Type ---------- */

h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; font-weight: 700; text-wrap: pretty; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
p { margin-bottom: 14px; max-width: 70ch; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 14px 22px; max-width: 70ch; }
li { margin-bottom: 6px; }
a { color: inherit; }

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.lede { font-size: 1.15rem; color: var(--body); }
.small { font-size: 0.85rem; color: var(--muted); }

/* ---------- Sections ---------- */

.section { padding: 72px 0; background: var(--bg); }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--bg-dark); color: var(--dark-ink); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark p { color: var(--dark-ink); }
.section--dark .eyebrow { color: var(--dark-muted); }
.section--dark .small { color: var(--dark-muted); }

.section--hero { padding: 88px 0 72px; }
.section + .section { border-top: 1px solid var(--line-soft); }
.section--dark + .section, .section + .section--dark { border-top: none; }

.section-head { margin-bottom: 36px; max-width: 70ch; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 22px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
}
.btn--ghost { background: transparent; color: var(--ink); }
.section--dark .btn { background: #fff; color: var(--ink); border-color: #fff; }
.section--dark .btn--ghost { background: transparent; color: #fff; border-color: #888; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; align-items: center; }
.cta-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }
.section--dark .cta-note { color: var(--dark-muted); }

/* ---------- Image placeholders ---------- */

.img-ph {
  border: 1px solid #c4c4c4;
  background:
    linear-gradient(to top right, transparent calc(50% - 1px), #cfcfcf calc(50% - 1px), #cfcfcf calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(to bottom right, transparent calc(50% - 1px), #cfcfcf calc(50% - 1px), #cfcfcf calc(50% + 1px), transparent calc(50% + 1px)),
    #ececec;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  border-radius: 2px;
}
.img-ph span {
  background: #fff;
  border: 1px solid #c4c4c4;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.img-ph--tall { min-height: 340px; }
.img-ph--short { min-height: 140px; }
.section--dark .img-ph { background-color: #222; border-color: #444; }
.section--dark .img-ph span { background: #181818; border-color: #444; color: var(--dark-muted); }

/* ---------- Layout helpers ---------- */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
@media (max-width: 860px) {
  .grid-2, .grid-3, .split { grid-template-columns: 1fr; }
}

.card { background: var(--bg); border: 1px solid var(--line); border-radius: 2px; padding: 26px; }
.section--alt .card { background: #fff; }
.section .card { }
.card h3 { margin-bottom: 10px; }
.card .link { font-weight: 600; font-size: 0.92rem; }
.section--dark .card { background: #202020; border-color: var(--dark-line); }

/* proof strip */
.proof-strip { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.proof-chip {
  border: 1px dashed #b9b9b9;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 8px 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: #fafafa;
}
.section--dark .proof-chip { background: #1f1f1f; border-color: #4a4a4a; color: var(--dark-muted); }

/* numbered process */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; margin-top: 8px; }
.steps--4 { grid-template-columns: repeat(4, 1fr); }
.step { counter-increment: step; border-top: 2px solid currentColor; padding-top: 16px; }
.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}
.section--dark .step::before { color: var(--dark-muted); }
@media (max-width: 860px) { .steps, .steps--4 { grid-template-columns: 1fr; } }

/* checklist / signs list */
.list-plain { list-style: none; margin-left: 0; }
.list-plain li { padding: 12px 0 12px 0; border-bottom: 1px solid var(--line-soft); margin: 0; }
.list-plain li:first-child { border-top: 1px solid var(--line-soft); }
.section--dark .list-plain li { border-color: var(--dark-line); }

.list-num { list-style: none; margin-left: 0; counter-reset: q; }
.list-num li { counter-increment: q; padding: 12px 0 12px 40px; position: relative; border-bottom: 1px solid var(--line-soft); margin: 0; }
.list-num li::before {
  content: counter(q);
  position: absolute; left: 0; top: 10px;
  width: 26px; height: 26px;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: var(--ink);
  background: #fff;
}

/* callout */
.callout { border-left: 3px solid var(--ink); background: var(--bg-alt); padding: 20px 24px; margin: 24px 0; max-width: 70ch; }
.section--alt .callout { background: #fff; }
.section--dark .callout { border-color: #fff; background: #202020; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq details:first-child { border-top: 1px solid var(--line-soft); }
.faq summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  position: relative;
  padding-right: 36px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.2rem; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq .faq-a { padding: 0 0 18px; max-width: 70ch; }

/* disclaimer */
.disclaimer { font-size: 0.8rem; color: var(--muted); border: 1px solid var(--line-soft); padding: 16px 18px; max-width: 78ch; }

/* form wireframe */
.form-wf { display: grid; gap: 14px; max-width: 520px; }
.form-wf label { font-size: 0.85rem; font-weight: 600; color: var(--ink); display: block; margin-bottom: 4px; }
.form-wf input, .form-wf select, .form-wf textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  background: #fff;
  font: inherit;
  color: var(--body);
  border-radius: 2px;
}
.form-wf textarea { min-height: 110px; resize: vertical; }

/* ---------- Header / nav ---------- */

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand { font-weight: 800; letter-spacing: 0.06em; color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.nav-links { display: flex; align-items: center; gap: 22px; flex: 1; flex-wrap: wrap; }
.nav-links > a { text-decoration: none; color: var(--body); font-size: 0.92rem; font-weight: 500; }
.nav-links > a:hover { color: var(--ink); }
.nav .btn { padding: 9px 16px; font-size: 0.88rem; }

.nav-dd { position: relative; }
.nav-dd summary {
  cursor: pointer; list-style: none;
  font-size: 0.92rem; font-weight: 500; color: var(--body);
}
.nav-dd summary::-webkit-details-marker { display: none; }
.nav-dd summary::after { content: " ▾"; font-size: 0.7rem; color: var(--muted); }
.nav-dd[open] > div {
  position: absolute; top: calc(100% + 10px); left: -12px;
  background: #fff; border: 1px solid var(--line);
  min-width: 230px; padding: 8px 0; z-index: 60;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}
.nav-dd a { display: block; padding: 9px 16px; text-decoration: none; color: var(--body); font-size: 0.9rem; }
.nav-dd a:hover { background: var(--bg-alt); color: var(--ink); }

@media (max-width: 760px) {
  .nav { flex-wrap: wrap; gap: 14px; }
  .nav-links { gap: 16px; }
}

/* ---------- Footer ---------- */

.site-footer { background: var(--bg-dark); color: var(--dark-muted); padding: 56px 0 110px; font-size: 0.9rem; }
.site-footer h4 { color: #fff; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.footer-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
.site-footer a { color: var(--dark-muted); text-decoration: none; display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.footer-brand { color: #fff; font-weight: 800; letter-spacing: 0.06em; margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid var(--dark-line); margin-top: 40px; padding-top: 20px; font-size: 0.78rem; }

/* ---------- Wireframe dock (sitemap + page info) ---------- */

.wf-dock {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 200;
  display: flex;
  gap: 8px;
}
.wf-dock button {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 9px 14px;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}
.wf-dock button:hover { background: #000; }

.wf-panel {
  position: fixed;
  left: 16px;
  bottom: 62px;
  z-index: 210;
  background: #fff;
  border: 1px solid var(--ink);
  width: 280px;
  max-height: 70vh;
  overflow: auto;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  display: none;
}
.wf-panel.open { display: block; }
.wf-panel h5 {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); padding: 12px 16px 4px;
}
.wf-panel a {
  display: block; padding: 7px 16px; text-decoration: none;
  color: var(--body); font-size: 0.88rem;
}
.wf-panel a:hover { background: var(--bg-alt); color: var(--ink); }
.wf-panel a.current { background: var(--ink); color: #fff; font-weight: 600; }
.wf-panel .wf-close-row { padding: 10px 16px; border-top: 1px solid var(--line-soft); }

.wf-panel--info { width: 380px; }
.wf-info-body { padding: 4px 16px 16px; }
.wf-btn-row { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0; }
.wf-btn-row button {
  font: inherit; font-size: 0.75rem; font-weight: 600;
  padding: 6px 10px; background: #fff; color: var(--ink);
  border: 1px solid var(--ink); border-radius: 2px; cursor: pointer;
}
.wf-btn-row button:hover { background: var(--bg-alt); }

/* edit mode */
.wf-dock button.active { background: #fff; color: var(--ink); }
.wf-editing main [contenteditable] { cursor: text; }
.wf-editing main [contenteditable]:hover { outline: 1px dashed #999; outline-offset: 2px; }
.wf-editing main [contenteditable]:focus { outline: 2px solid var(--ink); outline-offset: 2px; background: #fffdf0; color: var(--ink); }
.wf-editing main section { position: relative; }
.wf-remove-sec {
  position: absolute; top: 10px; right: 10px; z-index: 40;
  font: inherit; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 5px 9px; background: #fff; color: var(--ink);
  border: 1px solid var(--ink); border-radius: 2px; cursor: pointer;
  opacity: 0.35;
}
.wf-remove-sec:hover { opacity: 1; background: var(--ink); color: #fff; }
.wf-hint {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  z-index: 220; background: var(--ink); color: #fff;
  font-size: 0.8rem; padding: 10px 16px; border-radius: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  max-width: calc(100vw - 360px);
}
.wf-hint button {
  font: inherit; font-size: 0.75rem; font-weight: 700;
  margin-left: 10px; padding: 4px 9px;
  background: #fff; color: var(--ink); border: 1px solid #fff;
  border-radius: 2px; cursor: pointer;
}
.wf-info-body dt {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin: 16px 0 4px;
}
.wf-info-body dt:first-child { margin-top: 0; }
.wf-info-body dd { font-size: 0.92rem; color: var(--body); margin: 0; }
.wf-info-body dd ul { margin: 4px 0 0 18px; }
.wf-info-body dd li { font-size: 0.88rem; margin-bottom: 4px; }
.wf-info-body code { background: var(--bg-alt); padding: 1px 5px; font-size: 0.85em; }