/* Sipnomy: pricing analytics for drinks brands.
   Dark sections carry the moving parts; light sections carry the detail. */

:root {
  color-scheme: light;

  /* dark surfaces */
  --night: #090c13;
  --night-2: #0e131e;
  --night-3: #151c2b;
  --night-line: rgba(255, 255, 255, 0.09);
  --night-line-2: rgba(255, 255, 255, 0.16);
  --on-night: #eef1f7;
  --on-night-2: #b3bbcc;
  --on-night-3: #8790a3;

  /* light surfaces */
  --paper: #f6f5f1;
  --paper-2: #ffffff;
  --ink: #0e1320;
  --ink-2: #454d5e;
  --muted: #646c7e;
  --line: #e3e0d8;
  --line-strong: #cfcac0;

  /* brand */
  --citrus: #c9f25d;
  --citrus-dim: rgba(201, 242, 93, 0.14);
  --citrus-ink: #3d5a0c;
  --steel: #8e97ab;

  /* status (reserved: confidence ratings and money up/down) */
  --good: #18794e;
  --good-soft: #dff3e8;
  --warn: #8a5a00;
  --warn-soft: #fbf0d2;
  --bad: #b42828;
  --bad-soft: #fbe3e3;

  /* chart series, light surface (validated reference palette slots 1 and 2) */
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --promo-band: #f3eed9;
  --band-soft: #e6eef9;
  --band-line: #2a78d6;

  --radius: 18px;
  --radius-sm: 12px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.12; letter-spacing: -0.025em; font-weight: 650; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; }
h3 { font-size: 1.2rem; letter-spacing: -0.015em; }
p { margin: 0 0 1em; }
em.serif, .serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(780px, 100% - 40px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.tabnum { font-variant-numeric: tabular-nums; }

/* ---------- sections ---------- */
.dark { background: var(--night); color: var(--on-night); position: relative; }
.dark .muted { color: var(--on-night-3); }
.dark .lede { color: var(--on-night-2); }
.light { background: var(--paper); }
.white { background: var(--paper-2); }
.section { padding: 104px 0; }
.section-tight { padding: 64px 0; }
@media (max-width: 720px) { .section { padding: 72px 0; } .section-tight { padding: 48px 0; } }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 0.76rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--citrus); box-shadow: 0 0 0 3px var(--citrus-dim); }
.dark .eyebrow { color: var(--on-night-2); }
.lede { font-size: 1.16rem; color: var(--ink-2); max-width: 680px; }
.section-head { max-width: 760px; margin-bottom: 48px; }

/* faint engineering grid + glow behind dark sections */
.grid-bg::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--night-line) 1px, transparent 1px), linear-gradient(90deg, var(--night-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  opacity: 0.55;
}
.glow::after {
  content: ""; position: absolute; pointer-events: none; inset: -10% -10% auto auto; width: 60%; height: 70%;
  background: radial-gradient(closest-side, rgba(201, 242, 93, 0.13), transparent 70%);
  filter: blur(10px);
}
/* Every section (and the footer) carries a layer of rising bubbles behind its content.
   site.js fills each layer to suit the section's size. */
main > section, .site-footer { position: relative; overflow: clip; }
main > section > .wrap, main > section > .narrow, .site-footer > .wrap { position: relative; z-index: 1; }

.bubbles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.bubbles span {
  position: absolute; bottom: 0; border-radius: 50%; opacity: 0;
  border: 1px solid var(--bubble-rim);
  background: var(--bubble-bg);
  animation: rise var(--dur, 16s) linear var(--delay, 0s) infinite;
}
.bubbles span.f { border: 0; background: var(--fizz); }
.bubbles.paused span { animation-play-state: paused; }
/* dark sections: see-through bubbles with a bright rim, a citrus edge glow and one small sparkle */
.bubbles {
  --bubble-rim: rgba(201, 242, 93, 0.62);
  --bubble-bg: radial-gradient(circle at 31% 27%, rgba(255, 255, 255, 0.85) 0 7%, transparent 10%), radial-gradient(closest-side, transparent 58%, rgba(201, 242, 93, 0.24) 100%);
  --fizz: rgba(201, 242, 93, 0.75);
}
/* light sections: glossy lime bubbles */
.light .bubbles, .white .bubbles {
  --bubble-rim: rgba(61, 90, 12, 0.32);
  --bubble-bg: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.95) 0 14%, rgba(201, 242, 93, 0.3) 46%, transparent 74%);
  --fizz: rgba(95, 135, 20, 0.45);
}
@keyframes rise {
  0% { transform: translate3d(0, 0, 0); opacity: 0; }
  10% { opacity: var(--alpha, 1); }
  50% { transform: translate3d(var(--drift, 12px), calc(var(--rise, 900px) * -0.5), 0); }
  85% { opacity: var(--alpha, 1); }
  100% { transform: translate3d(calc(var(--drift, 12px) * -0.5), calc(var(--rise, 900px) * -1), 0); opacity: 0; }
}

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(9, 12, 19, 0.82); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid var(--night-line); color: var(--on-night); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; letter-spacing: -0.03em; text-decoration: none; color: var(--on-night); }
.logo-mark { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 8px 13px; border-radius: 999px; text-decoration: none; font-weight: 500; font-size: 0.95rem; color: var(--on-night-2); transition: color 0.15s, background 0.15s; }
.nav-links a:hover { color: var(--on-night); background: rgba(255, 255, 255, 0.06); }
.nav-links a[aria-current="page"] { color: var(--on-night); background: rgba(255, 255, 255, 0.09); }
.nav-links .nav-cta a { background: var(--citrus); color: var(--night); font-weight: 650; margin-left: 8px; }
.nav-links .nav-cta a:hover { background: #d8f77f; color: var(--night); }
.nav-toggle { display: none; background: transparent; border: 1px solid var(--night-line-2); color: var(--on-night); border-radius: 10px; padding: 8px 12px; font: 600 0.9rem var(--font); cursor: pointer; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 20px 20px; background: rgba(9, 12, 19, 0.97); border-bottom: 1px solid var(--night-line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 1rem; }
  .nav-links .nav-cta a { margin: 8px 0 0; text-align: center; }
}

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 22px; border-radius: 999px; border: 1px solid var(--ink); background: var(--ink); color: #fff; font: 600 0.98rem/1.2 var(--font); text-decoration: none; cursor: pointer; transition: transform 0.15s, background 0.15s, border-color 0.15s, color 0.15s; }
.btn:hover { transform: translateY(-1px); }
.btn .arrow { transition: transform 0.15s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-citrus { background: var(--citrus); border-color: var(--citrus); color: var(--night); }
.btn-citrus:hover { background: #d8f77f; border-color: #d8f77f; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.dark .btn-ghost { color: var(--on-night); border-color: var(--night-line-2); }
.dark .btn-ghost:hover { border-color: var(--on-night-2); }
.btn-small { padding: 9px 16px; font-size: 0.9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.text-link { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.dark .text-link { color: var(--on-night); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .tab:focus-visible, svg:focus-visible, summary:focus-visible { outline: 2px solid var(--citrus); outline-offset: 3px; }
.light :focus-visible, .white :focus-visible { outline-color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: 88px 0 96px; overflow: hidden; }
.hero h1 { max-width: 880px; }
.hero h1 .serif { color: var(--citrus); }
.hero .lede { margin-bottom: 44px; max-width: 720px; }
@media (max-width: 720px) { .hero { padding: 56px 0 64px; } .hero .lede { margin-bottom: 32px; } }

.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
@media (max-width: 900px) { .paths { grid-template-columns: 1fr; } .paths .path-service { order: -1; } }
.path { position: relative; display: flex; flex-direction: column; background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)); border: 1px solid var(--night-line); border-radius: 22px; padding: 28px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.path-service { border-color: rgba(201, 242, 93, 0.35); box-shadow: 0 0 0 1px rgba(201, 242, 93, 0.06), 0 30px 80px -40px rgba(201, 242, 93, 0.25); }
.path-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.chip { display: inline-flex; align-items: center; gap: 8px; font: 500 0.72rem/1.35 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; padding: 7px 10px; border-radius: 999px; border: 1px solid var(--night-line-2); color: var(--on-night-2); }
.chip.citrus { border-color: rgba(201, 242, 93, 0.5); color: var(--citrus); }
.path-scope { font: 500 0.78rem var(--mono); color: var(--on-night-3); }
.path h2 { font-size: clamp(1.45rem, 2.4vw, 1.8rem); margin-bottom: 10px; }
.path p { color: var(--on-night-2); font-size: 1rem; }
.path .visual { margin: 6px 0 22px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.path .fine { margin: 14px 0 0; font-size: 0.82rem; color: var(--on-night-3); }

/* demo widget inside the hero */
.demo-widget { border: 1px solid var(--night-line); border-radius: 16px; background: rgba(9, 12, 19, 0.6); padding: 18px; }
.demo-label { display: flex; justify-content: space-between; gap: 10px; font: 500 0.74rem var(--mono); color: var(--on-night-3); margin-bottom: 8px; }
.demo-curve { width: 100%; height: auto; }
.demo-slider { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; margin: 10px 0 14px; }
.demo-slider label { font-size: 0.86rem; color: var(--on-night-2); margin: 0; font-weight: 500; }
.demo-slider output { font: 600 1rem var(--mono); color: var(--citrus); min-width: 4.2ch; text-align: right; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--night-line-2), var(--citrus), var(--night-line-2)); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--night-line-2); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; margin-top: -8px; border-radius: 50%; background: var(--citrus); border: 3px solid var(--night); box-shadow: 0 0 0 1px var(--citrus); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--citrus); border: 3px solid var(--night); }
.demo-readout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.demo-readout div { border-top: 1px solid var(--night-line); padding-top: 10px; }
.demo-readout span { display: block; font-size: 0.74rem; color: var(--on-night-3); }
.demo-readout strong { font: 600 1.05rem var(--mono); color: var(--on-night); font-variant-numeric: tabular-nums; }

/* service range map inside the hero */
.range-map { width: 100%; height: auto; }
.range-map .rm-label { fill: var(--on-night-3); font: 500 11px var(--mono); letter-spacing: 0.04em; }
.range-map .rm-cell { fill: rgba(255, 255, 255, 0.03); stroke: var(--night-line); }
.range-map .rm-icon { color: var(--on-night-3); transition: color 0.4s; }
.range-map .rm-link { fill: none; stroke: var(--citrus); stroke-width: 1.4; opacity: 0.85; }
.range-status { display: flex; align-items: center; gap: 10px; min-height: 24px; font: 500 0.8rem var(--mono); color: var(--on-night-2); margin-top: 10px; }
.range-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--citrus); box-shadow: 0 0 0 4px var(--citrus-dim); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(201, 242, 93, 0); } }
.range-key { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 0.74rem; color: var(--on-night-3); margin-top: 8px; }
.range-key .ramp { flex: 1; max-width: 140px; height: 6px; border-radius: 6px; background: linear-gradient(90deg, rgba(201, 242, 93, 0.18), rgba(201, 242, 93, 1)); }

/* ---------- the moving parts (decomposition) ---------- */
.decomp-card { border: 1px solid var(--night-line); border-radius: 22px; background: linear-gradient(180deg, #11161f, #0b0f17); padding: 28px 28px 20px; }
.decomp-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 22px; counter-reset: step; }
.decomp-step { border-top: 2px solid var(--night-line-2); padding-top: 12px; color: var(--on-night-3); font-size: 0.9rem; transition: color 0.3s, border-color 0.3s; }
.decomp-step b { display: block; font: 500 0.72rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.decomp-step.on { color: var(--on-night); border-color: var(--on-night-2); }
.decomp-step.price.on { border-color: var(--citrus); }
.decomp-step.price.on b { color: var(--citrus); }
@media (max-width: 720px) { .decomp-steps { grid-template-columns: 1fr 1fr; } }
.decomp-chart { position: relative; }
.decomp-chart svg { width: 100%; height: auto; touch-action: pan-y; }
.decomp-chart .dc-axis { fill: var(--on-night-3); font: 500 11px var(--mono); }
.decomp-chart .dc-name { fill: var(--on-night); font: 600 14px var(--font); }
.decomp-chart .dc-stat { fill: var(--on-night-2); font: 500 12px var(--font); }
.decomp-chart .dc-stat.price { fill: var(--citrus); }
.decomp-chart .dc-zero { stroke: var(--night-line-2); stroke-width: 1; }
.decomp-chart .dc-grid { stroke: var(--night-line); stroke-width: 1; }
.decomp-chart .dc-line { fill: none; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.decomp-chart .dc-area { opacity: 0; transition: opacity 0.8s ease 0.6s; }
.decomp-chart .dc-row { opacity: 0.18; transition: opacity 0.6s ease; }
.decomp-chart .dc-row.on { opacity: 1; }
.decomp-chart .dc-row.on .dc-area { opacity: 1; }
.decomp-chart .dc-draw { transition: stroke-dashoffset 1.6s cubic-bezier(.4, 0, .2, 1); }
.decomp-tip { position: absolute; pointer-events: none; z-index: 3; background: var(--night-2); border: 1px solid var(--night-line-2); border-radius: 12px; padding: 10px 12px; font-size: 0.82rem; color: var(--on-night); min-width: 210px; opacity: 0; transition: opacity 0.1s; box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6); }
.decomp-tip.show { opacity: 1; }
.decomp-tip .t-date { font: 500 0.74rem var(--mono); color: var(--on-night-3); margin-bottom: 6px; }
.decomp-tip .t-row { display: flex; justify-content: space-between; gap: 14px; }
.decomp-tip .t-row strong { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.decomp-tip .t-row.price strong { color: var(--citrus); }
.decomp-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-top: 14px; font-size: 0.82rem; color: var(--on-night-3); }
.decomp-card details { margin-top: 10px; }
.decomp-card details summary { cursor: pointer; color: var(--on-night-2); font-size: 0.88rem; }
.decomp-card details .table-wrap { max-height: 300px; overflow: auto; margin-top: 10px; }
.decomp-card table th { color: var(--on-night-3); }
.decomp-card table td, .decomp-card table th { border-color: var(--night-line); }

/* ---------- light-section components ---------- */
.card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.dark .card { background: rgba(255, 255, 255, 0.03); border-color: var(--night-line); }

.compare { border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--paper-2); }
.compare-row { display: grid; grid-template-columns: 200px 1fr 1fr; border-top: 1px solid var(--line); }
.compare-row:first-child { border-top: 0; }
.compare-row > div { padding: 18px 22px; }
.compare-row .k { font: 500 0.78rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); padding-top: 21px; }
.compare-row .demo { color: var(--ink-2); border-left: 1px solid var(--line); }
.compare-row .svc { border-left: 1px solid var(--line); background: linear-gradient(90deg, rgba(201, 242, 93, 0.10), rgba(201, 242, 93, 0.03)); font-weight: 500; }
.compare-head > div { padding-top: 22px; padding-bottom: 22px; }
.compare-head .demo, .compare-head .svc { font-weight: 650; font-size: 1.05rem; color: var(--ink); }
.compare-head .svc { background: var(--ink); color: #fff; }
.compare-head .svc span, .compare-head .demo span { display: block; font: 500 0.74rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; opacity: 0.75; }
@media (max-width: 760px) {
  .compare-row { grid-template-columns: 1fr 1fr; }
  .compare-row .k { grid-column: 1 / -1; padding-bottom: 0; }
  .compare-row .demo { border-left: 0; }
  .compare-head .k { display: none; }
}

.questions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .questions { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .questions { grid-template-columns: 1fr; } }
.question { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.question .q-num { font: 500 0.74rem var(--mono); color: var(--muted); }
.question p { margin: 0; font-size: 1.06rem; font-weight: 550; letter-spacing: -0.01em; color: var(--ink); }
.question .q-tag { margin-top: auto; font-size: 0.82rem; color: var(--muted); }

.timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.timeline::before { content: ""; position: absolute; top: 15px; left: 8px; right: 8px; height: 2px; background: var(--line); }
.timeline .progress { position: absolute; top: 15px; left: 8px; height: 2px; width: 0; background: var(--ink); transition: width 2.2s cubic-bezier(.4, 0, .2, 1); }
.timeline.in .progress { width: calc(100% - 16px); }
.t-step { position: relative; padding-top: 44px; }
.t-step::before { content: ""; position: absolute; top: 8px; left: 0; width: 16px; height: 16px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); }
.t-step.recurring::before { background: var(--citrus); }
.t-when { font: 500 0.74rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.t-step h3 { margin: 6px 0 8px; }
.t-step p { font-size: 0.94rem; color: var(--ink-2); margin: 0; }
@media (max-width: 900px) {
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline::before, .timeline .progress { top: 8px; bottom: 8px; left: 7px; right: auto; width: 2px; height: auto; }
  .timeline .progress { height: 0; transition: height 2.2s cubic-bezier(.4, 0, .2, 1); }
  .timeline.in .progress { width: 2px; height: calc(100% - 16px); }
  .t-step { padding: 0 0 28px 40px; }
  .t-step::before { top: 2px; }
}

.deliverables { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
@media (max-width: 900px) { .deliverables { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .deliverables { grid-template-columns: 1fr; } }
.deliverable { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--paper-2); }
.deliverable svg { width: 34px; height: 34px; margin-bottom: 14px; color: var(--ink); }
.deliverable h3 { font-size: 1.02rem; margin-bottom: 6px; }
.deliverable p { font-size: 0.9rem; color: var(--ink-2); margin: 0; }

.checks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .checks { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .checks { grid-template-columns: 1fr; } }
.check-item { border-top: 1px solid var(--night-line-2); padding-top: 18px; }
.check-item .ck { font: 500 0.74rem var(--mono); color: var(--citrus); letter-spacing: 0.08em; text-transform: uppercase; }
.check-item h3 { margin: 8px 0; font-size: 1.08rem; }
.check-item p { color: var(--on-night-2); font-size: 0.94rem; margin: 0; }

.final-cta { text-align: center; }
.final-cta h2 { max-width: 760px; margin-inline: auto; }
.final-cta .btn-row { justify-content: center; margin-top: 28px; }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.list-clean { list-style: none; margin: 0; padding: 0; }
.list-clean li { padding: 14px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 28px 1fr; gap: 8px; }
.list-clean li:last-child { border-bottom: 1px solid var(--line); }
.list-clean li::before { content: "→"; color: var(--muted); font-family: var(--mono); }
.dark .list-clean li { border-color: var(--night-line); }
.list-clean strong { display: block; }

.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.4rem/1 var(--mono); color: var(--muted); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 12px 0 0; color: var(--ink-2); max-width: 720px; }

.page-hero { padding: 80px 0 72px; overflow: hidden; }
.page-hero .lede { margin-bottom: 0; }
@media (max-width: 720px) { .page-hero { padding: 52px 0 48px; } }
.hero-split { display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: end; }
@media (max-width: 900px) { .hero-split { grid-template-columns: 1fr; } }
.facts { border: 1px solid var(--night-line); border-radius: 20px; padding: 6px 22px; background: rgba(255, 255, 255, 0.03); }
.facts div { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--night-line); font-size: 0.95rem; }
.facts div:first-child { border-top: 0; }
.facts span { color: var(--on-night-3); font: 500 0.78rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; padding-top: 2px; }
.facts strong { text-align: right; font-weight: 600; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }
.hint { display: block; font-weight: 400; font-size: 0.84rem; color: var(--muted); margin-top: 2px; }
input[type="text"], input[type="email"], input[type="number"], select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--paper-2); color: var(--ink); font: inherit; font-size: 1rem; transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(14, 19, 32, 0.08); }
textarea { min-height: 180px; resize: vertical; font-family: var(--mono); font-size: 0.84rem; line-height: 1.55; }
.field { margin-bottom: 18px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--ink); }

/* ---------- calculator page ---------- */
.demo-banner { border: 1px solid rgba(201, 242, 93, 0.35); border-radius: 20px; padding: 24px; background: rgba(201, 242, 93, 0.05); }
.demo-banner h2 { font-size: 1.25rem; margin-bottom: 8px; }
.demo-banner p { color: var(--on-night-2); font-size: 0.95rem; }
.calc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
.calc-main { min-width: 0; }
@media (max-width: 980px) { .calc-layout { grid-template-columns: minmax(0, 1fr); } }
.calc-aside { position: sticky; top: 92px; }
@media (max-width: 980px) { .calc-aside { position: static; } }
.aside-card { background: var(--ink); color: var(--on-night); border-radius: var(--radius); padding: 24px; }
.aside-card h3 { font-size: 1.08rem; }
.aside-card .can, .aside-card .cant { list-style: none; padding: 0; margin: 0 0 16px; font-size: 0.9rem; }
.aside-card li { padding: 6px 0 6px 24px; position: relative; color: var(--on-night-2); }
.aside-card .can li::before { content: "✓"; position: absolute; left: 0; color: var(--citrus); }
.aside-card .cant li::before { content: "○"; position: absolute; left: 0; color: var(--on-night-3); }
.aside-card .label { font: 500 0.72rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-night-3); margin: 6px 0 4px; }
.aside-card .btn { width: 100%; }

.tabs { display: inline-flex; gap: 4px; padding: 4px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 999px; margin-bottom: 22px; flex-wrap: wrap; }
.tab { border: 0; background: transparent; padding: 10px 18px; border-radius: 999px; font: 600 0.94rem var(--font); color: var(--ink-2); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--ink); color: #fff; }
@media (max-width: 560px) { .tabs { display: flex; flex-direction: column; border-radius: 18px; width: 100%; } .tab { border-radius: 14px; text-align: left; } }
.calc-card + .calc-card { margin-top: 18px; }
.calc-card h2 { font-size: 1.25rem; display: flex; align-items: center; gap: 12px; }
.step-num { width: 30px; height: 30px; border-radius: 50%; display: inline-grid; place-items: center; font: 600 0.85rem var(--mono); border: 1px solid var(--ink); flex: none; }
.upload-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.upload-row .btn { margin: 0; }
.file-input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.columns-help { font-size: 0.9rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 14px; color: var(--ink-2); }
.columns-help code { font: 500 0.82rem var(--mono); background: var(--paper-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; color: var(--ink); }
.status { margin-top: 10px; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.9rem; display: none; }
.status.show { display: block; }
.status.ok { background: var(--good-soft); color: var(--good); }
.status.bad { background: var(--bad-soft); color: var(--bad); }
.status a { font-weight: 700; color: inherit; }
.calc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 22px; }
.privacy { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--muted); }

/* ---------- report (built by calculator.js) ---------- */
.report { margin-top: 36px; }
.report[hidden] { display: none; }
.report-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 760px) { .report-head { grid-template-columns: minmax(0, 1fr); } }
.headline { background: var(--ink); color: var(--on-night); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; }
.headline::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; background: radial-gradient(closest-side, rgba(201, 242, 93, 0.25), transparent); }
.headline .muted { color: var(--on-night-3); }
.headline .big { font: 600 clamp(3.2rem, 8vw, 4.8rem)/1 var(--mono); letter-spacing: -0.04em; margin: 10px 0 8px; color: var(--citrus); font-variant-numeric: tabular-nums; }
.headline .range { color: var(--on-night-2); font-weight: 500; }
.rating { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; font-weight: 650; font-size: 0.86rem; margin-top: 14px; }
.rating .icon { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 0.72rem; font-weight: 800; }
.rating.green { background: var(--good-soft); color: var(--good); }
.rating.green .icon { background: var(--good); }
.rating.amber { background: var(--warn-soft); color: var(--warn); }
.rating.amber .icon { background: var(--warn); }
.rating.red { background: var(--bad-soft); color: var(--bad); }
.rating.red .icon { background: var(--bad); }
.meaning p:last-child { margin-bottom: 0; }
.report-section { margin-top: 18px; }
.report-section h3 { font-size: 1.2rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th:first-child, td:first-child { text-align: left; }
th { font: 500 0.74rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
th .sub, td .sub { display: block; font-size: 0.76rem; color: var(--muted); font-family: var(--font); text-transform: none; letter-spacing: 0; }
td.pos { color: var(--good); }
td.neg { color: var(--bad); }

.drivers { list-style: none; padding: 0; margin: 0; }
.drivers li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.drivers li:last-child { border-bottom: 0; }
.drivers .val { font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.drivers .unclear { color: var(--muted); }
.tag { display: inline-block; font: 500 0.68rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; padding: 2px 8px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); margin-left: 6px; vertical-align: 2px; }

.scale { position: relative; height: 56px; margin: 18px 0 8px; }
.scale-track { position: absolute; left: 0; right: 0; top: 22px; height: 8px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line-strong); }
.scale-band { position: absolute; top: 22px; height: 8px; background: var(--band-soft); border: 1px solid var(--band-line); }
.scale-range { position: absolute; top: 19px; height: 14px; border-radius: 999px; background: rgba(14, 19, 32, 0.18); }
.scale-mark { position: absolute; top: 14px; width: 24px; height: 24px; margin-left: -12px; border-radius: 50%; background: var(--ink); border: 3px solid var(--citrus); }
.scale-ticks { position: absolute; left: 0; right: 0; top: 40px; font: 500 0.74rem var(--mono); color: var(--muted); }
.scale-ticks span { position: absolute; transform: translateX(-50%); }
.scale-key { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.84rem; color: var(--ink-2); }
.scale-key i { display: inline-block; width: 18px; height: 10px; border-radius: 4px; margin-right: 6px; vertical-align: 0; }

.reasons { margin: 0; padding-left: 20px; }
.reasons li { margin-bottom: 8px; }

.chart-legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.88rem; color: var(--ink-2); margin-bottom: 8px; }
.chart-legend .key { display: inline-block; width: 22px; height: 0; border-top: 3px solid; margin-right: 8px; vertical-align: middle; }
.chart-box { position: relative; }
.chart-box svg { width: 100%; height: auto; touch-action: pan-y; }
.chart-box .grid line { stroke: var(--line); stroke-width: 1; }
.chart-box .axis text { fill: var(--muted); font-size: 11px; font-family: var(--mono); }
.chart-box .promo-band { fill: var(--promo-band); }
.chart-tip { position: absolute; pointer-events: none; background: var(--paper-2); border: 1px solid var(--line-strong); border-radius: 12px; padding: 8px 12px; font-size: 0.84rem; box-shadow: 0 12px 30px -12px rgba(14, 19, 32, 0.35); min-width: 160px; opacity: 0; transition: opacity 0.1s; z-index: 3; }
.chart-tip.show { opacity: 1; }
.chart-tip .tip-date { color: var(--muted); font-size: 0.76rem; margin-bottom: 4px; }
.chart-tip .tip-row { display: flex; align-items: center; gap: 8px; }
.chart-tip .tip-row strong { font-variant-numeric: tabular-nums; }
.chart-tip .tip-key { width: 14px; border-top: 3px solid; }
details.more { margin-top: 12px; }
details.more summary { cursor: pointer; font-weight: 600; color: var(--ink-2); }
details.more .table-wrap { max-height: 320px; overflow: auto; margin-top: 10px; }

.limits { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; list-style: none; padding: 0; margin: 14px 0 0; }
@media (max-width: 640px) { .limits { grid-template-columns: 1fr; } }
.limits li { border-top: 1px solid var(--line); padding: 12px 0 0; font-size: 0.92rem; color: var(--ink-2); }
.limits li strong { display: block; color: var(--ink); font-size: 0.98rem; }
.report-cta { margin-top: 24px; background: var(--ink); color: var(--on-night); border-radius: 22px; padding: 36px; position: relative; overflow: hidden; }
.report-cta::after { content: ""; position: absolute; right: -80px; bottom: -120px; width: 320px; height: 320px; background: radial-gradient(closest-side, rgba(201, 242, 93, 0.22), transparent); }
.report-cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); max-width: 640px; }
.report-cta p { color: var(--on-night-2); max-width: 640px; }
.report-cta .btn-row { position: relative; z-index: 1; margin-top: 8px; }
.report-cta .btn-ghost { color: var(--on-night); border-color: var(--night-line-2); }
.sources { margin-top: 18px; font-size: 0.8rem; color: var(--muted); }

/* ---------- about / contact ---------- */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .values { grid-template-columns: 1fr; } }
.value .num { font: 500 0.74rem var(--mono); color: var(--muted); }
.value h3 { margin: 10px 0 8px; }
.value p { color: var(--ink-2); margin: 0; font-size: 0.96rem; }
.founder { display: grid; grid-template-columns: 88px 1fr; gap: 22px; align-items: start; }
.avatar { width: 88px; height: 88px; border-radius: 50%; background: var(--ink); color: var(--citrus); display: grid; place-items: center; font: 600 1.5rem var(--mono); }
@media (max-width: 520px) { .founder { grid-template-columns: 1fr; } }
.next-steps { counter-reset: n; list-style: none; padding: 0; margin: 0; }
.next-steps li { counter-increment: n; position: relative; padding: 0 0 22px 46px; color: var(--on-night-2); }
.next-steps li::before { content: counter(n); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--night-line-2); display: grid; place-items: center; font: 500 0.8rem var(--mono); color: var(--citrus); }
.next-steps strong { color: var(--on-night); display: block; text-align: left; }

/* ---------- footer ---------- */
.site-footer { background: var(--night); color: var(--on-night-2); padding: 56px 0 40px; border-top: 1px solid var(--night-line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }
.site-footer h4 { font: 500 0.74rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-night-3); margin-bottom: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { text-decoration: none; color: var(--on-night-2); }
.site-footer a:hover { color: var(--on-night); }
.site-footer .logo { margin-bottom: 12px; }
.footer-base { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--night-line); font-size: 0.82rem; color: var(--on-night-3); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* ---------- guides (long-form explainer pages) ---------- */
.guide h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); margin-top: 0; }
.guide h3 { margin-top: 1.6em; }
.guide p, .guide li { color: var(--ink-2); }
.guide ul:not([class]), .guide ol:not([class]) { padding-left: 22px; margin: 0 0 1em; }
.guide li { margin-bottom: 8px; }
.guide .table-wrap { margin: 8px 0 22px; }
.guide table { font-size: 0.95rem; }
.guide td strong { color: var(--ink); }
.guide-block + .guide-block { margin-top: 64px; }
.toc { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
.toc li { break-inside: avoid; padding: 8px 0; border-top: 1px solid var(--line); margin: 0; }
.toc a { text-decoration: none; font-weight: 600; }
.toc a:hover { text-decoration: underline; }
@media (max-width: 600px) { .toc { columns: 1; } }
.formula { font: 500 1.02rem/1.5 var(--mono); background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 20px; margin: 4px 0 20px; overflow-x: auto; color: var(--ink); }
.formula .sub { display: block; margin-top: 6px; font: 400 0.86rem var(--font); color: var(--muted); }
.callout { border: 1px solid var(--line); border-left: 4px solid var(--citrus); border-radius: var(--radius-sm); background: var(--paper-2); padding: 18px 20px; margin: 4px 0 22px; }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }
.callout strong { color: var(--ink); }
.guide-note { font-size: 0.86rem; color: var(--muted); }
.mini-calc { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 820px) { .mini-calc { grid-template-columns: 1fr; } }
.mini-calc .field input { max-width: 100%; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .bubbles { display: none; }
}

@media print {
  body { background: #fff; font-size: 11pt; }
  .site-header, .site-footer, .page-hero, .no-print, .bubbles, .chart-tip, .calc-aside { display: none !important; }
  .calc-layout { display: block; }
  .report { margin-top: 0; }
  .card, .headline { box-shadow: none; break-inside: avoid; }
  .headline { background: #fff; color: var(--ink); border: 1px solid var(--line); }
  .headline .big { color: var(--ink); }
  details.more { display: none; }
}