/* ============================================================
   jugalt.com — light · orange · multi-page
   Pure CSS. No framework. Brand accent = single --accent variable.
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-2: #faf7f2;
  --surface: #f6f2ea;
  --ink: #1b1a18;
  --text: #3a3733;
  --muted: #76716a;
  --faint: #6f6a62;
  --border: #ece6dc;
  --border-strong: #ddd5c8;

  --accent: #fc9c00;        /* ← your brand orange, sampled from your logo */
  --accent-dark: #985a00;   /* accessible dark amber for text/links on white */
  --accent-soft: #fff3de;

  --display: "Plus Jakarta Sans", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;

  --maxw: 1200px;
  --radius: 14px;
  --radius-lg: 20px;
  --header-h: 70px;
  --shadow: 0 1px 2px rgba(27,26,24,.04), 0 12px 28px -16px rgba(27,26,24,.18);
  --shadow-accent: 0 14px 34px -14px rgba(252,156,0,.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fff; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Icons ---------- */
.icon { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon-chip { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 14px; background: var(--accent-soft); color: var(--accent-dark); margin-bottom: 18px; }
.icon-chip .icon { width: 24px; height: 24px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 13px 24px; font-weight: 600; font-size: 0.95rem; cursor: pointer; border: 1.5px solid transparent; transition: transform .2s, box-shadow .25s, background .2s, color .2s, border-color .2s; white-space: nowrap; }
.btn .icon { width: 18px; height: 18px; }
.btn-accent { background: var(--accent); color: #2b1900; box-shadow: var(--shadow-accent); }
.btn-accent:hover { background: #e88f00; transform: translateY(-2px); }
.btn-outline { border-color: var(--border-strong); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-dark); transform: translateY(-2px); }
.btn-sm { padding: 9px 17px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100; display: flex; align-items: center; background: rgba(255,255,255,.82); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.site-header.scrolled { border-bottom-color: var(--border); box-shadow: 0 2px 20px -12px rgba(27,26,24,.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--display); font-weight: 800; font-size: 1.05rem; color: var(--ink); }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 800; font-size: 1rem; }
.brand-logo { height: 30px; width: auto; display: block; }
.footer-logo { height: 36px; width: auto; display: block; margin-bottom: 12px; }
.nav { display: flex; gap: 20px; }
.nav-link { font-size: 0.92rem; font-weight: 500; color: var(--muted); transition: color .2s; position: relative; padding: 4px 0; }
.nav-link:hover { color: var(--ink); }
.nav-link[aria-current="page"] { color: var(--accent-dark); font-weight: 600; }
.nav-link[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--accent); border-radius: 2px; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { width: 23px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Layout / sections ---------- */
main { padding-top: var(--header-h); }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-alt { background: var(--bg-2); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 16px; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-title { font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: 14px; }
.section-intro { color: var(--muted); font-size: 1.06rem; }
.accent { color: var(--accent); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px); background: linear-gradient(180deg, var(--accent-soft), var(--bg) 62%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 50px; align-items: center; }
.hero-title { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 800; line-height: 1.04; letter-spacing: -0.03em; }
.hero-title .accent { color: var(--accent); }
.hero-sub { margin-top: 22px; font-size: clamp(1.02rem, 1.8vw, 1.2rem); color: var(--muted); max-width: 36ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-trust { margin-top: 30px; font-size: 0.82rem; color: var(--faint); }
.hero-visual { position: relative; }
.hero-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; }
.stat-num { font-family: var(--display); font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.6rem); color: var(--ink); line-height: 1; }
.stat-num .accent { color: var(--accent); }
.stat-label { margin-top: 8px; font-size: 0.8rem; color: var(--muted); }

/* ---------- Card grids (capabilities / features) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 28px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Case studies ---------- */
.case-group { margin-bottom: 56px; }
.case-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 2px solid var(--border); }
.case-group-head .icon-chip { margin: 0; width: 42px; height: 42px; border-radius: 11px; }
.case-group-head h2 { font-size: 1.4rem; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 0; overflow: hidden; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s, border-color .25s; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }
.case-viz { height: 150px; display: grid; place-items: center; background: #fbf8f2; border-bottom: 1px solid var(--border); }
.case-viz .viz { width: 138px; height: 104px; display: block; }
.case-body { padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
.case-metric { font-family: var(--display); font-weight: 800; font-size: 2.1rem; color: var(--accent); line-height: 1; }
.case-metric-sub { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 8px 0 16px; }
.case-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.case-card p { font-size: 0.9rem; color: var(--muted); flex-grow: 1; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tag { font-size: 0.7rem; font-weight: 500; color: var(--accent-dark); background: var(--accent-soft); border-radius: 6px; padding: 4px 9px; }

/* ---------- Duality ---------- */
.duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.duo-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.duo-card.is-accent { background: var(--accent-soft); border-color: #f3dca5; }
.duo-card h3 { font-size: 1.4rem; margin: 12px 0; }
.duo-card p { color: var(--muted); }
.duo-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 9px; }
.duo-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--text); }
.duo-list .icon { width: 18px; height: 18px; color: var(--accent); margin-top: 3px; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; max-width: 880px; }
.timeline-item { display: grid; grid-template-columns: 130px 1fr; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.timeline-item:first-child { border-top: 1px solid var(--border); }
.tl-date { font-family: var(--display); font-weight: 700; color: var(--accent-dark); font-size: 0.9rem; }
.tl-co { font-size: 0.8rem; color: var(--muted); margin-top: 2px; }
.tl-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.tl-body ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.tl-body li { position: relative; padding-left: 18px; font-size: 0.92rem; color: var(--text); }
.tl-body li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Skills / spec ---------- */
.skill-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 28px; }
.skill-block h3 { font-size: 1.2rem; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.skill-block h3 .icon { color: var(--accent); }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { font-size: 0.82rem; color: var(--text); border: 1px solid var(--border-strong); border-radius: 999px; padding: 6px 14px; background: #fff; }
.tools-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

/* ---------- ROI ---------- */
.roi { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; display: grid; grid-template-columns: 1.05fr 1fr; }
.roi-inputs { padding: 36px; display: flex; flex-direction: column; gap: 22px; }
.roi-field label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--ink); margin-bottom: 9px; }
.roi-input-row { display: flex; align-items: center; gap: 8px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.roi-input-row:focus-within { border-color: var(--accent); }
.roi-unit { color: var(--muted); font-weight: 600; }
.roi-input-row input { flex: 1; background: none; border: 0; color: var(--ink); font-size: 1.02rem; font-family: var(--display); font-weight: 700; width: 100%; outline: none; }
.roi-input-row input::-webkit-outer-spin-button, .roi-input-row input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 4px; margin-top: 13px; background: #ece6dc; outline: none; cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--border-strong); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--accent); }
.roi-results { padding: 36px; background: var(--bg-2); border-left: 1px solid var(--border); display: flex; flex-direction: column; gap: 16px; justify-content: center; }
.roi-result-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); display: block; margin-bottom: 4px; }
.roi-result-num { font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; color: var(--accent); }
.roi-result.sm .roi-result-num { font-size: 1.5rem; color: var(--ink); }
.roi-result-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.roi-note { font-size: 0.74rem; color: var(--faint); }

/* ---------- FAQ (AEO) ---------- */
.faq { max-width: 820px; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; margin-bottom: 12px; overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 24px; font-family: var(--display); font-weight: 700; color: var(--ink); font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--accent); transition: transform .3s; }
.faq details[open] summary .icon { transform: rotate(45deg); }
.faq details p { padding: 0 24px 20px; color: var(--muted); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: linear-gradient(180deg, var(--accent-soft), var(--bg)); padding: clamp(40px, 6vw, 72px) 0 clamp(36px, 5vw, 56px); }
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); margin-bottom: 14px; }
.page-hero p { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 64px); text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 14px; }
.cta-band h2 .accent { color: var(--accent); }
.cta-band p { color: #c8c4bd; margin-bottom: 26px; max-width: 52ch; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-band .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.cta-band .btn-outline:hover { border-color: #fff; color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 52px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 34px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 14px; font-family: var(--sans); }
.footer-col a { display: block; color: var(--text); font-size: 0.92rem; padding: 5px 0; }
.footer-col a:hover { color: var(--accent-dark); }
.footer-tag { color: var(--muted); font-size: 0.92rem; max-width: 32ch; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; font-size: 0.82rem; color: var(--faint); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================ Responsive */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid-3, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .duo-grid, .roi { grid-template-columns: 1fr; }
  .roi-results { border-left: 0; border-top: 1px solid var(--border); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; padding: 10px 26px 22px; background: rgba(255,255,255,.98); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); transform: translateY(-130%); transition: transform .35s ease, visibility .35s ease; pointer-events: none; visibility: hidden; }
  .nav.open { transform: translateY(0); pointer-events: auto; visibility: visible; }
  .nav-link { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-link[aria-current="page"]::after { display: none; }
  .menu-toggle { display: flex; }
  .header-cta .btn-resume { display: none; }
}
@media (max-width: 600px) {
  .stats, .grid-3, .grid-2, .case-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   ROI calculator (robust) + Workflows
   ============================================================ */
.calc-wrap { display: grid; grid-template-columns: 1.35fr 1fr; gap: 26px; align-items: start; }
.calc-form { display: flex; flex-direction: column; gap: 22px; }
.calc-group { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; padding: 24px 26px; }
.calc-group h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.calc-group h3 .icon { color: var(--accent); }
.calc-group h3 .step-no { font-family: var(--mono, monospace); font-size: 0.72rem; color: var(--accent-dark); background: var(--accent-soft); border-radius: 6px; padding: 3px 8px; }
.calc-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.calc-field .inp { display: flex; align-items: center; gap: 6px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 9px; padding: 9px 12px; }
.calc-field .inp:focus-within { border-color: var(--accent); }
.calc-field .inp span { color: var(--muted); font-size: 0.85rem; }
.calc-field input, .calc-field select { flex: 1; width: 100%; background: none; border: 0; outline: none; color: var(--ink); font-size: 0.95rem; font-family: var(--display); font-weight: 600; }
.calc-field input::-webkit-outer-spin-button, .calc-field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.calc-results { position: sticky; top: 90px; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.calc-results-head { background: var(--ink); color: #fff; padding: 24px 26px; }
.calc-results-head .label { font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: #b9b4ac; }
.calc-results-head .big { font-family: var(--display); font-weight: 800; font-size: 3.2rem; line-height: 1; color: var(--accent); margin-top: 6px; }
.calc-results-head .sub { color: #d8d4cd; font-size: 0.86rem; margin-top: 8px; }
.calc-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); }
.calc-tile { background: #fff; padding: 18px 20px; }
.calc-tile .t-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.calc-tile .t-val { font-family: var(--display); font-weight: 800; font-size: 1.5rem; color: var(--ink); margin-top: 4px; }
.calc-tile .t-val.accent { color: var(--accent-dark); }
.calc-note { padding: 16px 20px; font-size: 0.74rem; color: var(--faint); background: #fff; border-top: 1px solid var(--border); }

/* Workflows */
.wf-block { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; padding: 28px; margin-bottom: 18px; transition: box-shadow .25s, border-color .25s; }
.wf-block:hover { box-shadow: var(--shadow); border-color: var(--border-strong); }
.wf-block-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.wf-badge { font-family: var(--mono, monospace); font-size: 0.72rem; font-weight: 700; color: #fff; background: var(--accent); border-radius: 7px; padding: 5px 9px; flex: none; }
.wf-block h3 { font-size: 1.18rem; }
.wf-trigger { font-size: 0.85rem; color: var(--muted); margin-bottom: 20px; }
.wf-trigger b { color: var(--accent-dark); }
.wf-steps { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0; }
.wf-step { flex: 1 1 0; min-width: 120px; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; padding: 0 8px; }
.wf-step:not(:last-child)::after { content: ""; position: absolute; top: 22px; right: -1px; left: 50%; height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 6px, transparent 6px 12px); opacity: .5; }
.wf-step-ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); position: relative; z-index: 1; margin-bottom: 10px; }
.wf-step-ic .icon { width: 22px; height: 22px; }
.wf-step .s-title { font-size: 0.82rem; font-weight: 700; color: var(--ink); }
.wf-step .s-desc { font-size: 0.74rem; color: var(--muted); margin-top: 3px; line-height: 1.4; }
.wf-pulse { animation: wfpulse 2.4s ease-in-out infinite; }
@keyframes wfpulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.12); } }
@media (prefers-reduced-motion: reduce) { .wf-pulse { animation: none; } }

@media (max-width: 940px) {
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-results { position: static; }
}
@media (max-width: 560px) {
  .calc-fields { grid-template-columns: 1fr; }
  .calc-tiles { grid-template-columns: 1fr; }
  .wf-step { flex-basis: 45%; }
  .wf-step:not(:last-child)::after { display: none; }
}