/* =========================================================
   Ingredient.help — "Soft Laboratory"
   Case-study page for the Rasveda Labs portfolio
   Palette + type mirror the real product brand.
   ========================================================= */

:root {
  --ig-bg:        #f7f5ee;   /* paper */
  --ig-bg-tint:   #eeeae0;   /* paperDark band */
  --ig-card:      rgba(255, 255, 255, 0.72);
  --ig-line:      #e2ddd0;

  --ig-ink:       #1f2a24;   /* deep ink-green */
  --ig-ink-soft:  #47514a;
  --ig-ink-dim:   #6b7268;   /* muted */

  --ig-sage:      #5c8e54;   /* primary */
  --ig-sage-deep: #40693a;
  --ig-mint:      #a8d5ba;

  /* risk scale — straight from the product's RiskMeter */
  --ig-low:       #7fb069;
  --ig-moderate:  #d9a55b;
  --ig-elevated:  #d87c5a;
  --ig-high:      #b85042;
  --ig-unknown:   #9aa0a6;

  --ig-radius:    18px;
  --ig-maxw:      940px;

  --ig-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --ig-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ig-mono:  ui-monospace, "SF Mono", Menlo, monospace;
  --ig-ease:  cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  font-family: var(--ig-sans);
  color: var(--ig-ink);
  background: var(--ig-bg);
  background-image:
    radial-gradient(115% 85% at 50% -8%, rgba(168, 213, 186, 0.30), transparent 62%),
    radial-gradient(90% 70% at 100% 0%, rgba(92, 142, 84, 0.10), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-attachment: fixed;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus {
  position: fixed; left: 12px; top: 12px;
  background: var(--ig-sage); color: #fff;
  padding: 10px 16px; border-radius: 10px; z-index: 100;
}

.ig-container {
  width: 100%;
  max-width: var(--ig-maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 40px);
}

/* ---------- Topbar ---------- */
.ig-topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(247, 245, 238, 0.74);
  border-bottom: 1px solid var(--ig-line);
}
.ig-topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.ig-back {
  font-weight: 600; font-size: 0.95rem; color: var(--ig-ink);
  display: inline-flex; align-items: center; gap: 0.45em;
  transition: color 0.2s var(--ig-ease);
}
.ig-back:hover { color: var(--ig-sage); }
.ig-topbar__tag {
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ig-ink-dim);
}

/* ---------- Hero ---------- */
.ig-hero { padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2.5rem, 6vw, 4rem); }
.ig-hero__inner { text-align: center; }
.ig-logo {
  width: clamp(96px, 20vw, 128px); height: auto;
  margin: 0 auto clamp(1.1rem, 3vw, 1.8rem);
}
.ig-wordmark {
  font-family: var(--ig-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -0.01em;
  margin: 0 0 1.4rem;
  color: var(--ig-ink);
}
.ig-wordmark .dot { color: var(--ig-sage); }
.ig-eyebrow {
  font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ig-sage); font-weight: 600; margin: 0 0 1rem;
}
.ig-hero__title {
  font-family: var(--ig-serif);
  font-weight: 600;
  font-size: clamp(2.5rem, 7vw, 4.4rem);
  line-height: 1.04; letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}
.ig-hero__lead {
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  line-height: 1.55; color: var(--ig-ink-soft);
  max-width: 40ch; margin: 0 auto;
}

/* ---------- Meta ---------- */
.ig-meta {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--ig-line);
}
.ig-meta div { margin: 0; max-width: 24ch; }
.ig-meta dt {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ig-ink-dim); margin-bottom: 0.35rem;
}
.ig-meta dd { margin: 0; font-weight: 500; color: var(--ig-ink); }

/* ---------- Sections ---------- */
.ig-section { padding: clamp(3rem, 8vw, 5.5rem) 0; }
.ig-section--tint {
  background: var(--ig-bg-tint);
  border-block: 1px solid var(--ig-line);
}
.ig-prose { max-width: 700px; margin-inline: auto; }
.ig-kicker {
  display: inline-block;
  font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ig-sage); font-weight: 600; margin-bottom: 0.9rem;
}
.ig-h2 {
  font-family: var(--ig-serif);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.6vw, 2.9rem);
  line-height: 1.12; letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
}
.ig-prose p {
  font-size: clamp(1.08rem, 2.2vw, 1.24rem);
  line-height: 1.65; color: var(--ig-ink-soft);
  margin: 0 0 1.1rem;
}
.ig-prose p em { color: var(--ig-sage-deep); font-style: italic; }
.ig-prose strong { color: var(--ig-ink); }
.ig-prose code, .ig-mono {
  font-family: var(--ig-mono);
  font-size: 0.86em; background: rgba(92, 142, 84, 0.12);
  color: var(--ig-sage-deep); padding: 0.1em 0.42em; border-radius: 6px;
}

/* ---------- Feature cards ---------- */
.ig-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}
.ig-card {
  background: var(--ig-card);
  border: 1px solid var(--ig-line);
  border-radius: var(--ig-radius);
  padding: 1.7rem 1.55rem;
  backdrop-filter: blur(6px);
  transition: transform 0.35s var(--ig-ease), box-shadow 0.35s var(--ig-ease), border-color 0.35s var(--ig-ease);
}
.ig-card:hover {
  transform: translateY(-4px);
  border-color: rgba(92, 142, 84, 0.45);
  box-shadow: 0 18px 40px -26px rgba(31, 42, 36, 0.55);
}
.ig-card__idx {
  font-family: var(--ig-mono);
  font-size: 0.78rem; font-weight: 600;
  color: var(--ig-sage); letter-spacing: 0.05em;
}
.ig-card h3 {
  font-family: var(--ig-serif);
  font-weight: 600; font-size: 1.28rem;
  margin: 0.5rem 0 0.6rem;
}
.ig-card p { margin: 0; color: var(--ig-ink-soft); font-size: 1rem; line-height: 1.6; }

/* ---------- Signature: Risk Meter + reaction demo ---------- */
.ig-lab {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}
.ig-reaction {
  background: #fff;
  border: 1px solid var(--ig-line);
  border-radius: var(--ig-radius);
  padding: 1.5rem 1.5rem 1.7rem;
  box-shadow: 0 20px 44px -30px rgba(31, 42, 36, 0.5);
}
.ig-reaction__row {
  display: flex; align-items: center; gap: 0.6rem;
  flex-wrap: wrap; margin-bottom: 1.1rem;
}
.ig-pill {
  font-family: var(--ig-sans);
  font-size: 0.86rem; font-weight: 600;
  padding: 0.4em 0.85em; border-radius: 999px;
  background: var(--ig-bg-tint); border: 1px solid var(--ig-line);
  color: var(--ig-ink);
}
.ig-pill small { display: block; font-weight: 500; color: var(--ig-ink-dim); font-size: 0.72em; }
.ig-plus { color: var(--ig-ink-dim); font-weight: 700; }
.ig-arrow { margin-left: auto; color: var(--ig-sage); font-weight: 700; font-size: 1.1rem; }

.ig-verdict {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 0.75rem; margin-bottom: 0.7rem;
}
.ig-verdict__label {
  font-family: var(--ig-serif); font-weight: 600; font-size: 1.15rem;
}
.ig-verdict__tag {
  font-family: var(--ig-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.2em 0.6em; border-radius: 6px; font-weight: 600;
}
.ig-verdict__tag[data-risk="high"]      { background: rgba(184, 80, 66, 0.16);  color: var(--ig-high); }
.ig-verdict__tag[data-risk="beneficial"]{ background: rgba(127, 176, 105, 0.20); color: #4d7a3a; }
.ig-verdict__tag[data-risk="unknown"]   { background: rgba(154, 160, 166, 0.18); color: var(--ig-ink-dim); }

/* the 4-segment escalating meter */
.ig-meter { display: flex; gap: 5px; margin: 0.4rem 0 0.9rem; }
.ig-meter__seg {
  flex: 1; height: 10px; border-radius: 4px;
  background: var(--ig-line); position: relative;
  transition: transform 0.3s var(--ig-ease);
}
.ig-meter__seg[data-on="low"]      { background: var(--ig-low); }
.ig-meter__seg[data-on="moderate"] { background: var(--ig-moderate); }
.ig-meter__seg[data-on="elevated"] { background: var(--ig-elevated); }
.ig-meter__seg[data-on="high"]     { background: var(--ig-high); }
.ig-meter__seg.is-peak { transform: scaleY(1.5); box-shadow: 0 4px 12px -4px currentColor; }
.ig-meter__scale {
  display: flex; justify-content: space-between;
  font-family: var(--ig-mono); font-size: 0.64rem; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--ig-ink-dim);
}
.ig-reaction__why { margin: 0.9rem 0 0; font-size: 0.94rem; color: var(--ig-ink-soft); line-height: 1.55; }
.ig-reaction__why em { color: var(--ig-sage-deep); font-style: normal; font-weight: 600; }

/* ---------- Callout (No data != safe) ---------- */
.ig-callout {
  margin-top: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(92,142,84,0.10), rgba(168,213,186,0.14));
  border: 1px solid rgba(92, 142, 84, 0.3);
  border-radius: var(--ig-radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
}
.ig-callout__mark {
  font-family: var(--ig-mono); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ig-sage-deep);
  margin: 0 0 0.6rem;
}
.ig-callout p {
  margin: 0; font-family: var(--ig-serif); font-weight: 500;
  font-size: clamp(1.25rem, 3vw, 1.7rem); line-height: 1.4; color: var(--ig-ink);
}
.ig-callout p em { color: var(--ig-sage-deep); font-style: italic; }

/* ---------- Chips / stack ---------- */
.ig-chips, .ig-stack {
  list-style: none; padding: 0; margin: 1.75rem 0 0;
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.ig-chips li, .ig-stack span {
  font-family: var(--ig-sans);
  font-size: 0.85rem; font-weight: 500;
  padding: 0.45em 0.95em;
  border: 1px solid var(--ig-line);
  border-radius: 999px;
  background: var(--ig-card);
  color: var(--ig-ink-soft);
}

/* ---------- Palette swatches ---------- */
.ig-palette {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.6rem 0 0;
}
.ig-swatch {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-size: 0.82rem; color: var(--ig-ink-soft);
  padding: 0.4em 0.8em 0.4em 0.5em;
  border: 1px solid var(--ig-line); border-radius: 999px;
  background: var(--ig-card);
}
.ig-swatch__dot { width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.08); }

/* ---------- Status ---------- */
.ig-status-badge {
  display: inline-block;
  font-family: var(--ig-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.45em 0.95em; border-radius: 999px;
  background: rgba(92, 142, 84, 0.14);
  color: var(--ig-sage-deep);
  border: 1px solid rgba(92, 142, 84, 0.3);
  margin-bottom: 1rem;
}
.ig-roadmap {
  margin: 0.5rem 0 0; padding: 0; list-style: none;
  font-size: clamp(1.05rem, 2.2vw, 1.22rem); color: var(--ig-ink-soft);
}
.ig-roadmap li { position: relative; padding-left: 1.6em; margin-bottom: 0.55rem; }
.ig-roadmap li::before {
  content: "○"; position: absolute; left: 0; top: 0;
  color: var(--ig-sage); font-size: 0.9em;
}

/* ---------- CTA ---------- */
.ig-cta {
  text-align: center;
  padding: clamp(4rem, 9vw, 6.5rem) 0;
  background:
    radial-gradient(90% 120% at 50% 120%, rgba(168, 213, 186, 0.4), transparent 60%),
    var(--ig-bg);
}
.ig-cta__mark { font-size: 1.6rem; color: var(--ig-sage); margin: 0 0 0.6rem; }
.ig-cta__title {
  font-family: var(--ig-serif);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 0.9rem; letter-spacing: -0.015em;
}
.ig-cta__lead { color: var(--ig-ink-soft); margin: 0 0 2rem; }
.ig-btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.85em 1.6em; border-radius: 999px;
  font-weight: 600; font-family: var(--ig-sans);
  color: #fff;
  background: linear-gradient(135deg, var(--ig-sage), var(--ig-sage-deep));
  box-shadow: 0 10px 30px -12px rgba(64, 105, 58, 0.7);
  transition: transform 0.25s var(--ig-ease), box-shadow 0.25s var(--ig-ease);
}
.ig-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(64, 105, 58, 0.8); }
.ig-btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.85em 1.6em; border-radius: 999px;
  font-weight: 600; font-family: var(--ig-sans);
  color: var(--ig-ink); border: 1px solid var(--ig-line);
  transition: border-color 0.25s var(--ig-ease), color 0.25s var(--ig-ease);
}
.ig-btn-ghost:hover { border-color: var(--ig-sage); color: var(--ig-sage-deep); }
.ig-hero__actions, .ig-cta__actions {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
}
.ig-hero__actions { margin: 1.9rem 0 0; }

/* ---------- Footer ---------- */
.ig-footer {
  border-top: 1px solid var(--ig-line);
  padding: 2.5rem 0;
  background: var(--ig-bg);
}
.ig-footer__inner {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: space-between; align-items: center;
  color: var(--ig-ink-dim); font-size: 0.9rem;
}
.ig-footer__inner p { margin: 0; }
.ig-footer a { color: var(--ig-sage-deep); font-weight: 600; }
.ig-footer a:hover { text-decoration: underline; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s var(--ig-ease), transform 0.7s var(--ig-ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 560px) {
  .ig-meta { gap: 1.5rem; }
  .ig-meta div { max-width: none; }
}