/* ============================================================
   Covalyn Systems — shared stylesheet
   Palette pulled from the real brand mark: deep ink green,
   acid lime, and a clay-orange accent bar.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,380;0,9..144,500;0,9..144,600;1,9..144,420;1,9..144,500&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #0b1d1a;
  --ink-soft:   #33433d;
  --paper:      #f7f4ea;
  --paper-deep: #eeead9;
  --lime:       #d6ff72;
  --clay:       #d56a3d;
  --line:       #d9d3bd;
  --line-ink:   rgba(247,244,234,0.18);

  --font-display: 'Fraunces', 'Iowan Old Style', ui-serif, Georgia, serif;
  --font-body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --max: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font: inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

:focus-visible{
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

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

/* ---------- Type ---------- */
h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}
h1{ font-size: clamp(2.6rem, 5.4vw, 4.6rem); }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3{ font-size: 1.28rem; font-weight: 600; }
.serif-italic{ font-style: italic; font-weight: 420; color: var(--clay); }

p{ margin: 0; }
.lede{ font-size: 1.18rem; color: var(--ink-soft); max-width: 44ch; }
.body-copy{ max-width: 62ch; color: var(--ink-soft); }

.kicker{
  display:flex; align-items:center; gap:.55em;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--ink-soft);
  margin-bottom: 1.1em;
}
.kicker::before{
  content:''; width:7px; height:7px; border-radius:50%;
  background: var(--clay); flex-shrink:0;
}

/* ---------- Nav ---------- */
.site-nav{
  position: sticky; top:0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand{ display:flex; align-items:center; gap:.6em; }
.brand img, .brand svg{ width:34px; height:34px; flex-shrink:0; }
.brand-word{ font-family: var(--font-display); font-weight:600; font-size:1.15rem; letter-spacing:-.01em; }
.brand-word small{ display:block; font-family: var(--font-mono); font-weight:400; font-size:.62rem; letter-spacing:.14em; color: var(--ink-soft); margin-top:-2px; }

.nav-links{ display:flex; align-items:center; gap: 2.1em; }
.nav-links a{ font-size:.95rem; }
.nav-links a.active{ color: var(--clay); }
.nav-links a:not(.btn):hover{ text-decoration: underline; text-underline-offset: 4px; }

.nav-toggle{ display:none; background:none; border:none; padding:6px; }
.nav-toggle span{ display:block; width:22px; height:2px; background: var(--ink); margin:5px 0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: .8em 1.5em;
  border-radius: 999px;
  font-size: .95rem; font-weight:500;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ transform: translateY(-1px); background:#132e28; }
.btn-ghost{ border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn-on-ink{ background: var(--lime); color: var(--ink); }
.btn-on-ink:hover{ transform: translateY(-1px); filter: brightness(1.06); }
.btn-ghost-on-ink{ border-color: var(--line-ink); color: var(--paper); }
.btn-ghost-on-ink:hover{ border-color: var(--paper); }

/* ---------- Sections ---------- */
section{ padding: clamp(56px, 8vw, 108px) 0; }
.section-head{ max-width: 640px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head.wide{ max-width: 720px; }
hr.rule{ border:none; border-top:1px solid var(--line); margin:0; }

.on-ink{ background: var(--ink); color: var(--paper); }
.on-ink .ink-soft{ color: rgba(247,244,234,0.72); }
.on-ink hr.rule{ border-top-color: var(--line-ink); }
.on-ink .kicker{ color: rgba(247,244,234,0.72); }

.on-deep{ background: var(--paper-deep); }

/* ---------- Hero ---------- */
.hero{ padding-top: clamp(52px, 8vw, 92px); }
.hero-grid{
  display:grid; grid-template-columns: 1.3fr .9fr; gap: 48px; align-items:end;
}
.hero h1{ margin-bottom: .35em; }
.hero-foot{
  margin-top: 40px; display:flex; gap: 14px; flex-wrap:wrap;
}
.hero-aside{ border-left:1px solid var(--line); padding-left: 28px; }
.hero-aside p{ font-size:.98rem; color: var(--ink-soft); }
.hero-aside strong{ display:block; font-family: var(--font-display); font-size:1.5rem; font-weight:500; margin-bottom:.2em; }

/* ---------- Path split ---------- */
.path-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.path-card{
  border-radius: 22px;
  padding: clamp(28px, 3.4vw, 42px);
  display:flex; flex-direction:column; gap: 22px;
  min-height: 420px;
}
.path-card.card-a{ background: var(--paper-deep); border:1px solid var(--line); }
.path-card.card-b{ background: var(--ink); color: var(--paper); }
.path-card .tag{ font-family: var(--font-mono); font-size:.78rem; color: var(--ink-soft); }
.path-card.card-b .tag{ color: rgba(247,244,234,0.7); }
.path-card h3{ font-family: var(--font-display); font-size: 1.7rem; font-weight:500; }
.path-card ul{ display:flex; flex-direction:column; gap:.55em; margin-top:auto; }
.path-card li{ font-size:.95rem; padding-left:1.2em; position:relative; }
.path-card li::before{ content:'—'; position:absolute; left:0; color: var(--clay); }
.path-card p{ color: var(--ink-soft); }
.path-card.card-b p{ color: rgba(247,244,234,0.78); }
.path-card .btn{ align-self:flex-start; margin-top:6px; }

/* ---------- Problem / feature rows ---------- */
.row-list{ display:flex; flex-direction:column; }
.row-item{
  display:grid; grid-template-columns: 90px 1fr 1fr; gap: 28px;
  padding: 30px 0; border-top:1px solid var(--line);
}
.row-list .row-item:last-child{ border-bottom:1px solid var(--line); }
.row-num{ font-family: var(--font-mono); font-size:.85rem; color: var(--clay); padding-top:.2em; }
.row-item h3{ font-weight:500; font-size:1.25rem; margin-bottom:.4em; }
.row-answer{ font-size:.9rem; }
.row-answer .label{ display:block; font-family: var(--font-mono); font-size:.72rem; letter-spacing:.06em; color: var(--ink-soft); margin-bottom:.5em; }

@media (max-width: 760px){
  .row-item{ grid-template-columns: 1fr; gap:10px; }
  .row-num{ padding-top:0; }
}

/* ---------- Cards grid (systems / offers) ---------- */
.card-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.offer-card{
  border:1px solid var(--line); border-radius: 18px; padding: 30px;
  display:flex; flex-direction:column; gap:16px;
}
.offer-card .num{ font-family: var(--font-mono); font-size:.8rem; color: var(--ink-soft); }
.offer-card h3{ font-size:1.35rem; }
.offer-card .promise{ font-family: var(--font-display); font-style:italic; font-weight:420; color: var(--clay); font-size:1.05rem; }
.offer-card p{ color: var(--ink-soft); font-size:.95rem; }
.offer-card ul{ display:flex; flex-direction:column; gap:.4em; margin-top:auto; }
.offer-card li{ font-size:.88rem; padding-left:1.1em; position:relative; color: var(--ink-soft); }
.offer-card li::before{ content:'—'; position:absolute; left:0; color: var(--clay); }
.offer-card a.review{ font-size:.88rem; font-weight:500; margin-top:6px; }
.offer-card a.review:hover{ text-decoration: underline; text-underline-offset:4px; }

/* ---------- Method timeline ---------- */
.method-list{ display:flex; flex-direction:column; }
.method-item{
  display:grid; grid-template-columns: 60px 1fr; gap:24px;
  padding: 26px 0; border-top:1px solid var(--line-ink);
}
.method-list .method-item:last-child{ border-bottom:1px solid var(--line-ink); }
.method-num{ font-family: var(--font-display); font-style:italic; font-size:1.4rem; color: var(--lime); }
.method-item h3{ margin-bottom:.3em; }
.method-item p{ color: rgba(247,244,234,0.75); font-size:.95rem; max-width: 54ch; }

/* ---------- Pricing ---------- */
.price-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.price-card{
  border:1px solid var(--line); border-radius:18px; padding:26px 22px;
  display:flex; flex-direction:column; gap:14px; background: var(--paper);
}
.price-card .cadence{ font-family: var(--font-mono); font-size:.72rem; color: var(--ink-soft); }
.price-card .figure{ font-family: var(--font-display); font-size:1.5rem; }
.price-card .desc{ font-size:.88rem; color: var(--ink-soft); }
.price-card ul{ display:flex; flex-direction:column; gap:.4em; margin-top:auto; }
.price-card li{ font-size:.84rem; padding-left:1.1em; position:relative; color: var(--ink-soft); }
.price-card li::before{ content:'—'; position:absolute; left:0; color: var(--clay); }

/* ---------- Portfolio ---------- */
.work-grid{ display:flex; flex-direction:column; gap: 20px; }
.work-card{
  display:grid; grid-template-columns: 1fr 1.15fr; gap: 0;
  border:1px solid var(--line); border-radius: 22px; overflow:hidden;
  background: var(--paper-deep);
}
.work-media{
  min-height: 260px; background-size: cover; background-position:center;
  display:flex; align-items:flex-end; padding: 20px;
}
.work-status{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.04em;
  background: var(--ink); color: var(--paper); padding: .4em .8em; border-radius: 999px;
}
.work-body{ padding: clamp(26px, 3vw, 40px); display:flex; flex-direction:column; gap:14px; }
.work-body .tag{ font-family: var(--font-mono); font-size:.78rem; color: var(--ink-soft); }
.work-body h3{ font-size: 1.7rem; }
.work-body p{ color: var(--ink-soft); font-size:.98rem; max-width:52ch; }
.work-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:4px; }
.work-tags span{
  font-family: var(--font-mono); font-size:.72rem; border:1px solid var(--line);
  padding:.35em .7em; border-radius:999px; color: var(--ink-soft);
}
.work-links{ display:flex; gap:14px; margin-top:8px; flex-wrap:wrap; }

@media (max-width: 820px){
  .work-card{ grid-template-columns: 1fr; }
  .work-media{ min-height: 200px; }
}

/* ---------- Quote ---------- */
.quote-block{ display:grid; grid-template-columns: 100px 1fr; gap: 32px; align-items:flex-start; }
.quote-block img, .quote-block svg{ width:56px; height:56px; }
.quote-block blockquote{ margin:0; font-family: var(--font-display); font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight:420; font-style:italic; line-height:1.35; }
.quote-block cite{ display:block; margin-top:18px; font-style:normal; font-size:.9rem; color: rgba(247,244,234,0.72); }

/* ---------- CTA band ---------- */
.cta-band{
  border-radius: 26px; background: var(--ink); color: var(--paper);
  padding: clamp(36px, 5vw, 64px); display:grid; grid-template-columns: 1.2fr .8fr; gap:32px; align-items:center;
}
.cta-band h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
.cta-band .actions{ display:flex; gap:14px; flex-wrap:wrap; justify-content:flex-start; }

/* ---------- Footer ---------- */
footer{ padding: 48px 0 40px; border-top:1px solid var(--line); }
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap: 24px; }
.footer-links{ display:flex; gap: 22px; flex-wrap:wrap; font-size:.9rem; color: var(--ink-soft); }
.footer-links a:hover{ color: var(--ink); text-decoration: underline; text-underline-offset:4px; }
.footer-brand{ display:flex; align-items:center; gap:.6em; }
.footer-brand img, .footer-brand svg{ width:26px; height:26px; flex-shrink:0; }
.footer-meta{ font-size:.82rem; color: var(--ink-soft); margin-top:18px; }

/* ---------- Contact form ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full{ grid-column: 1 / -1; }
label{ display:flex; flex-direction:column; gap:8px; font-size:.9rem; color: var(--ink-soft); }
input, textarea, select{
  font: inherit; padding: .85em 1em; border-radius: 10px; border:1px solid var(--line);
  background: var(--paper); color: var(--ink);
}
textarea{ resize: vertical; min-height: 130px; }
input:focus, textarea:focus, select:focus{ border-color: var(--ink); }
.form-note{ font-size:.82rem; color: var(--ink-soft); margin-top:10px; }
.form-status{ font-size:.9rem; margin-top:14px; }
.form-status.ok{ color: #2f6b3a; }
.form-status.err{ color: var(--clay); }

/* ---------- Utility ---------- */
.stack{ display:flex; flex-direction:column; gap: var(--gap, 16px); }
.center{ text-align:center; }
.mt-lg{ margin-top: clamp(32px, 5vw, 56px); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-aside{ border-left:none; border-top:1px solid var(--line); padding-left:0; padding-top:20px; }
  .path-grid, .card-grid, .price-grid{ grid-template-columns: 1fr; }
  .cta-band{ grid-template-columns: 1fr; }
  .quote-block{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-links{
    position: fixed; top: 64px; right: 0; bottom: 0; left: 0; background: var(--paper);
    flex-direction: column; align-items:flex-start; padding: 28px var(--gutter);
    gap: 1.3em; transform: translateX(100%); transition: transform .25s ease;
    overflow-y: auto;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-toggle{ display:block; }
}