/* ==========================================================================
   CitiPrint — design system
   Light-only, zero external dependencies. System font stack.
   ========================================================================== */

:root {
  --paper: #f7f5f0;        /* warm paper background */
  --card: #ffffff;
  --ink: #171a1f;          /* near-black text */
  --ink-soft: #4c5462;     /* secondary text */
  --line: #e2ddd2;         /* hairline borders */
  --accent: #e8552d;       /* press orange — CTAs only */
  --accent-ink: #b23c1c;
  --blue: #0f5fa8;         /* links, secondary emphasis */
  --ok: #1a7f5a;
  --cut: #d7263d;          /* dieline: cut */
  --crease: #1a7f5a;       /* dieline: crease */
  --c: #00a3e0; --m: #e0007a; --y: #f2c500; --k: #171a1f;  /* CMYK brand dots */
  --radius: 6px;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- header / nav ---------- */

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap {
  display: flex; align-items: center; gap: 28px;
  min-height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.18rem; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.brand:hover { text-decoration: none; }
.cmyk { display: inline-flex; gap: 2px; }
.cmyk i { width: 7px; height: 7px; border-radius: 1px; display: block; }
.cmyk i:nth-child(1){ background: var(--c); }
.cmyk i:nth-child(2){ background: var(--m); }
.cmyk i:nth-child(3){ background: var(--y); }
.cmyk i:nth-child(4){ background: var(--k); }

nav.main-nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
nav.main-nav a {
  color: var(--ink-soft); font-weight: 600; font-size: 0.95rem;
}
nav.main-nav a:hover { color: var(--ink); text-decoration: none; }
nav.main-nav a.active { color: var(--ink); }
nav.main-nav a.cta {
  background: var(--accent); color: #fff; padding: 9px 16px; border-radius: var(--radius);
}
nav.main-nav a.cta:hover { background: var(--accent-ink); }

/* mobile nav (checkbox toggle, no JS) */
.nav-toggle { display: none; }
label.nav-burger { display: none; margin-left: auto; cursor: pointer; padding: 8px; }
label.nav-burger span {
  display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0;
}

@media (max-width: 820px) {
  label.nav-burger { display: block; }
  nav.main-nav {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--card); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 20px 16px;
  }
  nav.main-nav a { padding: 11px 4px; border-bottom: 1px solid var(--line); }
  nav.main-nav a.cta { margin-top: 10px; text-align: center; border-bottom: none; }
  .nav-toggle:checked ~ nav.main-nav { display: flex; }
}

/* ---------- typography & blocks ---------- */

h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); letter-spacing: -0.015em; font-weight: 750; margin-bottom: 12px; }
h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; }
p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 46em; }

section { padding: 56px 0; }
section.tight { padding: 34px 0; }
section + section { border-top: 1px solid var(--line); }

.kicker {
  display: inline-block; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--accent-ink); margin-bottom: 10px;
}

.muted { color: var(--ink-soft); }
.small { font-size: 0.88rem; }

/* placeholder marker — content pending from CitiPrint. Listed in CONTENT-TODO.md */
.ph {
  background: #fff3cd; border: 1px dashed #d9b430; border-radius: 3px;
  padding: 0 4px; font-style: normal; color: #6b5304;
}

/* ---------- hero ---------- */

.hero { padding: 72px 0 60px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero p.lede { margin: 18px 0 26px; }
.hero-side {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px;
}
.hero-side h3 { margin-bottom: 12px; }
.hero-side ul { list-style: none; }
.hero-side li { padding: 7px 0; border-top: 1px solid var(--line); font-size: 0.95rem; color: var(--ink-soft); }
.hero-side li:first-child { border-top: none; }
.hero-side li strong { color: var(--ink); }
@media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; } }

/* ---------- buttons ---------- */

.btn {
  display: inline-block; font-weight: 700; font-size: 0.98rem;
  padding: 12px 20px; border-radius: var(--radius); border: none; cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-secondary { background: var(--card); color: var(--ink); border: 1.5px solid var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--blue); padding: 12px 8px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- cards & grids ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 820px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 22px 22px 20px;
}
.card h3 { display: flex; align-items: center; gap: 8px; }
.card p { color: var(--ink-soft); font-size: 0.95rem; margin-top: 6px; }
.card .card-link { display: inline-block; margin-top: 12px; font-weight: 700; font-size: 0.92rem; }

/* card vignettes — inline SVG illustrations on a paper-tone plate */
.card-visual {
  background: #fbfaf7; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; margin-bottom: 14px;
}
.card-visual svg { display: block; width: 100%; height: auto; }
.card-visual text { font-family: inherit; }

/* vignette motion — decorative only, subtle, off under reduced-motion */
.card-visual .anim-dash { animation: cv-dash 6s linear infinite; }
.card-visual .anim-bob { animation: cv-bob 2.6s ease-in-out infinite; }
.card-visual .anim-twinkle { animation: cv-twinkle 1.8s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.card-visual .anim-pulse { animation: cv-pulse 1.6s ease-in-out infinite; }
@keyframes cv-dash { to { stroke-dashoffset: -60; } }
@keyframes cv-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
@keyframes cv-twinkle { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(0.72); } }
@keyframes cv-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) {
  .card-visual .anim-dash, .card-visual .anim-bob,
  .card-visual .anim-twinkle, .card-visual .anim-pulse { animation: none; }
}

/* ---------- tables ---------- */

.tbl-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
table.spec { width: 100%; border-collapse: collapse; font-size: 0.93rem; min-width: 640px; }
table.spec th, table.spec td { text-align: left; padding: 11px 14px; border-top: 1px solid var(--line); vertical-align: top; }
table.spec thead th {
  border-top: none; background: #fbfaf7; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-soft);
}
table.spec td:first-child, table.spec th:first-child { padding-left: 18px; }

/* ---------- forms ---------- */

form.stack { display: grid; gap: 18px; }
fieldset {
  border: 1px solid var(--line); border-radius: 10px; background: var(--card);
  padding: 20px 22px 22px;
}
legend { font-weight: 800; font-size: 0.95rem; padding: 0 8px; margin-left: -8px; }
.frow { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-top: 12px; }
.frow:first-of-type { margin-top: 4px; }
.field label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 5px; }
.field .hint { font-size: 0.78rem; color: var(--ink-soft); margin-top: 4px; }
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], input[type="date"], select, textarea {
  width: 100%; padding: 10px 12px; font-size: 0.95rem; font-family: inherit;
  border: 1px solid #c9c3b6; border-radius: var(--radius); background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
input.invalid, select.invalid { border-color: var(--cut); outline-color: var(--cut); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.choices label {
  border: 1px solid #c9c3b6; border-radius: 999px; padding: 7px 14px; font-size: 0.9rem;
  cursor: pointer; background: #fff; user-select: none;
}
.choices input { position: absolute; opacity: 0; pointer-events: none; }
.choices label:has(input:checked) { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- RFQ summary panel ---------- */

.rfq-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 900px) { .rfq-layout { grid-template-columns: 1fr; } }
.summary-panel { position: sticky; top: 84px; }
.summary-panel .card { padding: 18px 20px; }
pre.summary {
  white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.8rem; line-height: 1.5; color: var(--ink-soft);
  background: #fbfaf7; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; margin: 12px 0; max-height: 420px; overflow-y: auto;
}

/* ---------- tools page ---------- */

.tool-layout { display: grid; grid-template-columns: 340px 1fr; gap: 26px; align-items: start; }
@media (max-width: 900px) { .tool-layout { grid-template-columns: 1fr; } }
.tool-controls { position: sticky; top: 84px; display: grid; gap: 16px; }
.tool-controls fieldset { padding: 16px 18px 18px; }
.preview-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px;
  min-width: 0;
}
.preview-box svg { display: block; width: 100%; height: auto; }
.legend { display: flex; gap: 18px; font-size: 0.82rem; color: var(--ink-soft); margin-top: 10px; flex-wrap: wrap; }
.legend .sw { display: inline-block; width: 22px; height: 0; border-top: 2.5px solid; vertical-align: middle; margin-right: 6px; }
.legend .sw.cut { border-color: var(--cut); }
.legend .sw.crease { border-color: var(--crease); border-top-style: dashed; }
.stat-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 14px 0 4px; }
.stat {
  background: #fbfaf7; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 16px; min-width: 130px;
}
.stat .n { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; }
.stat .l { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }

/* ---------- cost drivers ---------- */

.drivers { display: grid; gap: 10px; }
.driver {
  display: grid; grid-template-columns: 200px 1fr auto; gap: 14px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 16px; font-size: 0.92rem;
}
.driver .bar { height: 8px; border-radius: 4px; background: #eee7d9; overflow: hidden; }
.driver .bar i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.driver .val { font-weight: 700; }
@media (max-width: 700px) { .driver { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- misc ---------- */

.notice {
  background: #eef4fb; border: 1px solid #c7dbf2; border-radius: var(--radius);
  padding: 12px 16px; font-size: 0.9rem; color: #143a5e;
}
.check-list { list-style: none; }
.check-list li { padding: 6px 0 6px 28px; position: relative; }
.check-list li::before {
  content: "✓"; position: absolute; left: 4px; color: var(--ok); font-weight: 800;
}

.steps { counter-reset: step; display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.step::before {
  counter-increment: step; content: counter(step);
  width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.step h3 { margin-bottom: 2px; }
.step p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- footer ---------- */

.site-footer {
  margin-top: 40px; background: var(--ink); color: #b8bec9; font-size: 0.9rem;
}
.site-footer .wrap {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding: 44px 20px 40px;
}
@media (max-width: 820px) { .site-footer .wrap { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 12px; }
.site-footer a { color: #d7dbe2; }
.site-footer ul { list-style: none; }
.site-footer li { padding: 3px 0; }
.site-footer .ph { background: #3a3f47; border-color: #6b727d; color: #e6d9a8; }
.footer-base {
  border-top: 1px solid #2c313a; padding: 16px 20px; font-size: 0.8rem; color: #8b93a1;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  max-width: var(--maxw); margin: 0 auto;
}