/* ==========================================================================
   VineStack marketing site
   Palette: deep vine green + warm ivory + gold accent
   Type: Fraunces (display) + Inter (text)
   ========================================================================== */

:root {
  --vine:      #1c3d34;   /* deep vine green */
  --vine-dark: #14302a;
  --vine-soft: #2a534783;
  --ivory:     #f7f3ea;   /* warm paper */
  --ivory2:    #efe8d8;
  --gold:      #c69b53;   /* accent */
  --gold-soft: #e7cfa0;
  --ink:       #1d2321;   /* body text */
  --ink-mut:   #5c6763;   /* muted text */
  --line:      #e2dccc;
  --white:     #ffffff;

  --maxw: 1120px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px -24px rgba(28, 61, 52, 0.45);
  --shadow-sm: 0 8px 24px -14px rgba(28, 61, 52, 0.4);
  --trans: 180ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: 24px;
}

a { color: var(--vine); text-decoration: none; }
a:hover { color: var(--gold); }

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--trans), background var(--trans), color var(--trans), box-shadow var(--trans);
}
.btn:hover { transform: translateY(-2px); }
.btn.block { width: 100%; }

.btn-primary {
  background: var(--vine);
  color: var(--ivory);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--vine-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--vine);
  border-color: var(--vine);
}
.btn-outline:hover { background: var(--vine); color: var(--ivory); }

.btn-ghost {
  background: var(--gold);
  color: var(--vine-dark);
  padding: 0.6rem 1.1rem;
}
.btn-ghost:hover { background: var(--gold-soft); color: var(--vine-dark); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 243, 234, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--vine);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--vine); }
.brand-mark { width: 28px; height: 28px; color: var(--gold); flex-shrink: 0; }

.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: var(--ink); }
.nav-links a:hover { color: var(--gold); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(198, 155, 83, 0.16), transparent 55%),
    var(--ivory);
  padding-block: clamp(3.5rem, 9vw, 7rem);
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.1rem;
}
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  color: var(--vine);
}
.hero h1 .accent {
  color: var(--gold);
  font-style: italic;
}
.lede {
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  color: var(--ink-mut);
  max-width: 620px;
  margin: 1.5rem 0 0;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}
.hero-note {
  margin-top: 1.6rem;
  font-size: 0.9rem;
  color: var(--ink-mut);
}
.hero-glow {
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(42, 83, 71, 0.14), transparent 65%);
  border-radius: 50%;
  z-index: 1;
}

/* ---------- Trust strip ---------- */
.strip {
  background: var(--vine);
  color: var(--ivory);
}
.strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-block: 2rem;
  text-align: center;
}
.strip-inner div { display: flex; flex-direction: column; gap: 0.25rem; }
.strip-inner strong {
  font-family: 'Fraunces', serif;
  font-size: 1.7rem;
  color: var(--gold-soft);
}
.strip-inner span { font-size: 0.88rem; color: rgba(247, 243, 234, 0.78); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-kicker {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.7rem;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  color: var(--vine);
  max-width: 700px;
}
.section-sub {
  font-size: 1.08rem;
  color: var(--ink-mut);
  max-width: 620px;
  margin: 1rem 0 2.6rem;
}

/* ---------- Who it's for ---------- */
.aud-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.aud {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  transition: transform var(--trans), box-shadow var(--trans);
}
.aud:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.aud-icon {
  font-size: 1.7rem;
  margin-bottom: 0.8rem;
}
.aud h3 { font-size: 1.1rem; color: var(--vine); margin-bottom: 0.45rem; }
.aud p { margin: 0; font-size: 0.92rem; color: var(--ink-mut); }

/* ---------- Module grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.mcard {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.mcard:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold-soft);
}
.mcard h3 {
  font-size: 1.2rem;
  color: var(--vine);
  margin-bottom: 0.5rem;
}
.mcard p { margin: 0; font-size: 0.95rem; color: var(--ink-mut); }
.micon {
  font-size: 1.6rem;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ivory2);
  border-radius: 14px;
  margin-bottom: 1rem;
}
.mcard-quiet { background: var(--ivory2); border-style: dashed; }

/* ---------- Case study ---------- */
.story { background: var(--ivory2); }
.story-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
}
.story-copy p { color: var(--ink-mut); margin: 1rem 0 0; }
.story-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  display: grid;
  gap: 0.6rem;
}
.story-list li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--ink);
  font-size: 0.98rem;
}
.story-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--gold);
}
.story-quote {
  margin: 0;
  background: var(--vine);
  color: var(--ivory);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  box-shadow: var(--shadow);
}
.story-quote blockquote {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
  line-height: 1.4;
  font-style: italic;
}
.story-quote figcaption {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

/* ---------- Pricing ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  align-items: stretch;
}
.pcard {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  display: flex;
  flex-direction: column;
}
.pcard h3 {
  font-size: 1.5rem;
  color: var(--vine);
}
.ptag { font-size: 0.9rem; color: var(--ink-mut); margin: 0.3rem 0 1.2rem; }
.price {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  color: var(--vine);
  margin: 0 0 1.3rem;
  line-height: 1;
}
.price .cur { font-size: 1.4rem; vertical-align: super; color: var(--gold); }
.price .per { font-size: 1rem; color: var(--ink-mut); font-family: 'Inter', sans-serif; }
.pcard ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: grid;
  gap: 0.65rem;
  flex-grow: 1;
}
.pcard li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.pcard li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--gold);
  font-weight: 700;
}
.pcard-featured {
  background: var(--vine);
  border-color: var(--vine);
  box-shadow: var(--shadow);
  transform: translateY(-8px);
}
.pcard-featured h3,
.pcard-featured .price { color: var(--ivory); }
.pcard-featured .price .cur { color: var(--gold-soft); }
.pcard-featured .ptag,
.pcard-featured .price .per { color: rgba(247, 243, 234, 0.72); }
.pcard-featured li { color: rgba(247, 243, 234, 0.92); }
.pcard-featured li::before { color: var(--gold-soft); }
.pribbon {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--vine-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  white-space: nowrap;
}
.pcard li.muted { color: var(--ink-mut); font-size: 0.86rem; }
.pcard-featured li.muted { color: rgba(247, 243, 234, 0.7); }

/* Enterprise / custom catch-line */
.price-enterprise {
  text-align: center;
  margin: 1.6rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-mut);
}

/* Add-on modules */
.addons {
  margin-top: 2.6rem;
  background: var(--ivory2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
}
.addons-head {
  margin: 0 0 1.2rem;
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  color: var(--vine);
}
.addons-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-mut);
}
.addon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.addon {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.addon-name { font-weight: 600; color: var(--vine); font-size: 0.95rem; }
.addon-price {
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
  color: var(--gold);
}
.addon-note { font-size: 0.78rem; color: var(--ink-mut); }

.price-foot {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--ink-mut);
  max-width: 640px;
  margin-inline: auto;
}

/* ---------- Demo / form ---------- */
.demo { background: var(--vine); color: var(--ivory); }
.demo .section-title { color: var(--ivory); }
.demo .section-kicker { color: var(--gold-soft); }
.demo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.demo-copy p { color: rgba(247, 243, 234, 0.8); margin-top: 1rem; }
.demo-form {
  background: var(--ivory);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  gap: 1rem;
  box-shadow: var(--shadow);
}
.demo-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}
.demo-form input,
.demo-form textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.7rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  resize: vertical;
}
.demo-form input:focus,
.demo-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(198, 155, 83, 0.2);
}
.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-mut);
  text-align: center;
  font-weight: 400;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--vine-dark);
  color: rgba(247, 243, 234, 0.8);
  padding-block: 3rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.brand-footer { color: var(--ivory); }
.brand-footer:hover { color: var(--ivory); }
.footer-tag { margin: 0; font-family: 'Fraunces', serif; font-size: 1.1rem; color: var(--gold-soft); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.4rem; }
.footer-links a { color: rgba(247, 243, 234, 0.8); font-size: 0.92rem; }
.footer-links a:hover { color: var(--gold); }
.copyright { margin: 0.6rem 0 0; font-size: 0.82rem; color: rgba(247, 243, 234, 0.55); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .aud-grid { grid-template-columns: repeat(2, 1fr); }
  .addon-grid { grid-template-columns: repeat(2, 1fr); }
  .story-inner,
  .demo-inner { grid-template-columns: 1fr; gap: 2rem; }
  .price-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .pcard-featured { transform: none; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

@media (max-width: 620px) {
  .nav-links { gap: 0.9rem; }
  .nav-links a:not(.btn-ghost) { display: none; }
  .grid { grid-template-columns: 1fr; }
  .aud-grid { grid-template-columns: 1fr; }
  .addon-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1; }
}