/* ============================================================
   impuslodigital.com — broadsheet.css
   Designed-newspaper composition. Strict 12-col grid,
   hairline rules, zero radius. Playfair + Inter + Plex Mono.
   ============================================================ */

:root {
  --paper: #f4f1ea;
  --ink: #11100e;
  --ink-dim: #555049;
  --ink-muted: #8a847a;
  --rule: #11100e;
  --rule-soft: #c9c3b6;
  --accent: #b2241f;
  --maxw: 1280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

/* Masthead */
.masthead { border-bottom: 3px double var(--rule); padding: 1.2rem 1.5rem 0.8rem; }
.masthead-inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 1rem; }
.mast-left, .mast-right { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-muted); }
.mast-right { text-align: right; }
.mast-title { font-family: 'Playfair Display', serif; font-weight: 900; font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.02em; line-height: 1; text-align: center; }
.mast-title em { font-style: italic; font-weight: 400; }
.mast-nav { max-width: var(--maxw); margin: 0.8rem auto 0; display: flex; justify-content: center; gap: 2rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; border-top: 1px solid var(--rule-soft); padding-top: 0.6rem; }
.mast-nav a { text-decoration: none; color: var(--ink-dim); transition: color 0.2s ease; }
.mast-nav a:hover { color: var(--accent); }
.mast-nav .nav-cta { color: var(--accent); font-weight: 500; }

/* Grid system */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0; }
.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-7 { grid-column: span 7; }
.col-6 { grid-column: span 6; }
.col-5 { grid-column: span 5; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

.rule-top { border-top: 1px solid var(--rule); }
.rule-top-soft { border-top: 1px solid var(--rule-soft); }
.rule-bottom { border-bottom: 1px solid var(--rule); }
.rule-bottom-soft { border-bottom: 1px solid var(--rule-soft); }
.pad { padding: 1.5rem 0; }
.pad-y { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.pad-section { padding: 4rem 0; }
.gutter { padding-right: 1.5rem; }
.gutter-l { padding-left: 1.5rem; }

/* Hero — front-page lead story */
.hero { padding: 2.5rem 0 3rem; border-bottom: 1px solid var(--rule); }
.hero-kicker { font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent); margin-bottom: 1rem; }
.hero-kicker .dot { display: inline-block; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; margin-right: 0.5rem; vertical-align: middle; animation: pulse 2.4s ease infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero-headline { font-family: 'Playfair Display', serif; font-weight: 900; font-size: clamp(3rem, 8vw, 6.5rem); line-height: 0.92; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.hero-headline em { font-style: italic; font-weight: 400; color: var(--accent); }
.hero-lede { font-family: 'Playfair Display', serif; font-style: italic; font-size: 1.3rem; line-height: 1.45; color: var(--ink-dim); max-width: 620px; margin-bottom: 2rem; }
.hero-meta { display: flex; gap: 2rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); margin-bottom: 2rem; flex-wrap: wrap; }
.hero-cta { display: inline-flex; align-items: center; gap: 0.5rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.8rem 1.4rem; background: var(--ink); color: var(--paper); text-decoration: none; transition: background 0.2s ease; }
.hero-cta:hover { background: var(--accent); }

/* Hero sidebar blocks */
.hero-aside-label { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-muted); margin-bottom: 0.6rem; }
.hero-aside-headline { font-family: 'Playfair Display', serif; font-size: 1.6rem; font-weight: 700; line-height: 1.15; }
.hero-aside-body { font-size: 0.92rem; color: var(--ink-dim); line-height: 1.5; }
.hero-aside-kicker { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.5rem; }

/* Section headers — newspaper section flags */
.section-flag { font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent); padding: 0.8rem 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-soft); margin-bottom: 1.5rem; display: flex; justify-content: space-between; }
.section-flag .page { color: var(--ink-muted); }

/* Work — dispatches / directory rows */
.work-row { display: grid; grid-template-columns: 40px 1fr; gap: 1.2rem; padding: 1.3rem 0; border-bottom: 1px solid var(--rule-soft); text-decoration: none; color: inherit; transition: background 0.15s ease; }
.work-row:hover { background: rgba(178,36,31,0.05); }
.work-num { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--ink-muted); padding-top: 0.3rem; }
.work-title { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.5rem; line-height: 1.1; margin-bottom: 0.3rem; }
.work-title .live { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); vertical-align: middle; margin-left: 0.6rem; }
.work-title .archived { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-muted); vertical-align: middle; margin-left: 0.6rem; }
.work-desc { font-size: 0.92rem; color: var(--ink-dim); line-height: 1.5; }
.work-meta { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); margin-top: 0.4rem; }
.work-cta-row { border: 1px solid var(--ink); padding: 1.3rem; margin-top: 1rem; text-decoration: none; color: inherit; display: block; transition: background 0.15s ease; }
.work-cta-row:hover { background: rgba(178,36,31,0.05); }
.work-cta-row .work-title { color: var(--accent); }

/* Case-study screenshot — only on archived project rows that have one */
.work-row.has-thumb { grid-template-columns: 40px 1fr 160px; gap: 1.2rem; }
.work-thumb { width: 160px; height: 100px; object-fit: cover; object-position: top; border: 1px solid var(--rule-soft); align-self: start; margin-top: 0.2rem; }
.work-thumb-cap { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-muted); margin-top: 0.3rem; text-align: right; }
@media (max-width: 860px) {
  .work-row.has-thumb { grid-template-columns: 1fr; }
  .work-thumb { width: 100%; height: 140px; }
  .work-thumb-cap { text-align: left; }
}

/* Services — sidebar index */
.svc-item { padding: 1.2rem 0; border-bottom: 1px solid var(--rule-soft); }
.svc-item:last-child { border-bottom: none; }
.svc-num { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--accent); margin-bottom: 0.4rem; }
.svc-title { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.15rem; line-height: 1.15; margin-bottom: 0.3rem; }
.svc-desc { font-size: 0.88rem; color: var(--ink-dim); line-height: 1.5; }

/* Tools — classified boxes */
.tool-box { padding: 1.2rem; border: 1px solid var(--rule-soft); transition: border-color 0.2s ease, background 0.2s ease; display: block; text-decoration: none; color: inherit; }
.tool-box + .tool-box { border-top: none; }
.tool-box:hover { border-color: var(--accent); background: rgba(178,36,31,0.03); }
.tool-kicker { font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.5rem; }
.tool-name { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.05rem; margin-bottom: 0.3rem; }
.tool-desc { font-size: 0.84rem; color: var(--ink-dim); line-height: 1.45; }
.tool-probe { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--accent); margin-top: 0.6rem; display: inline-block; }

/* Pull quote / contact */
.contact-block { padding: 4rem 0; border-top: 3px double var(--rule); border-bottom: 3px double var(--rule); text-align: center; }
.contact-quote { font-family: 'Playfair Display', serif; font-style: italic; font-weight: 400; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.contact-quote em { font-style: italic; color: var(--accent); font-weight: 700; }
.contact-sub { font-size: 1.05rem; color: var(--ink-dim); margin-bottom: 2rem; max-width: 480px; margin-left: auto; margin-right: auto; }

/* Footer — colophon */
.colophon { padding: 1.5rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; align-items: center; }
.colophon a { text-decoration: none; transition: color 0.2s ease; }
.colophon-links { display: flex; gap: 1.2rem; }
.colophon-links a:hover { color: var(--accent); }

/* Focus visibility for keyboard nav */
a:focus-visible, .work-row:focus-visible, .tool-box:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Responsive — collapse grid on mobile */
@media (max-width: 860px) {
  .col-8, .col-7, .col-6, .col-5, .col-4, .col-3 { grid-column: span 12; }
  .gutter, .gutter-l { padding-right: 0; padding-left: 0; }
  .mast-nav { gap: 1rem; flex-wrap: wrap; }
  .hero-meta { gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-kicker .dot { animation: none !important; }
  html { scroll-behavior: auto; }
}