/* Shared styles for every page. Layout: left-aligned editorial bands on a deep-teal hero; tools use a workbench (steps left, live summary right). */
:root {
  --bg: #FAFCFB;
  --surface: #EFF5F3;
  --surface-2: #E1EDEA;
  --card: #FFFFFF;
  --ink: #12302F;
  --fg: #22302F;
  --muted: #586967;
  --line: #D2E0DC;
  --accent: #1D7268;
  --accent-strong: #165C54;
  --on-accent: #FFFFFF;
  --mari: #E39A2B;
  --mari-soft: #FCEFD6;
  --mari-ink: #7A4E0A;
  --good: #1D7A4F;
  --good-soft: #E2F3EA;
  --warn: #B1452D;
  --warn-soft: #FBE7E1;
  --hero-bg: #12302F;
  --hero-fg: #E6F2EF;
  --hero-muted: #A9C6C0;
  --hero-line: rgba(230, 242, 239, .16);
  --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --radius: 14px;
  --max: 1160px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0C1F1E; --surface: #12302E; --surface-2: #1A3F3C; --card: #102927;
    --ink: #ECF6F4; --fg: #D3E3E0; --muted: #94B0AB; --line: #24504C;
    --accent: #5CBFB1; --accent-strong: #7FD3C7; --on-accent: #0C1F1E;
    --mari: #F2B04E; --mari-soft: #3A2E1A; --mari-ink: #F6CB86;
    --good: #6FD39E; --good-soft: #17352A;
    --warn: #F09177; --warn-soft: #3B231D;
    --hero-bg: #081716; --hero-fg: #E6F2EF; --hero-muted: #A9C6C0; --hero-line: rgba(230, 242, 239, .14);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0C1F1E; --surface: #12302E; --surface-2: #1A3F3C; --card: #102927;
  --ink: #ECF6F4; --fg: #D3E3E0; --muted: #94B0AB; --line: #24504C;
  --accent: #5CBFB1; --accent-strong: #7FD3C7; --on-accent: #0C1F1E;
  --mari: #F2B04E; --mari-soft: #3A2E1A; --mari-ink: #F6CB86;
  --good: #6FD39E; --good-soft: #17352A;
  --warn: #F09177; --warn-soft: #3B231D;
  --hero-bg: #081716; --hero-fg: #E6F2EF; --hero-muted: #A9C6C0; --hero-line: rgba(230, 242, 239, .14);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 17px/1.6 var(--font-body); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); font-weight: 600; line-height: 1.15; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.01em; }
h3 { font-size: 21px; }
p { margin: 0; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--mari); outline-offset: 2px; border-radius: 6px; }
.mono { font-family: var(--font-mono); }
.num { font-variant-numeric: tabular-nums; }

.wrap {
  max-width: calc(var(--max) + 48px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 700px) { .wrap { padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); } }
.band { padding-block: clamp(56px, 8vw, 96px); }
.band-tint { background: var(--surface); }
.band-dark { background: var(--hero-bg); color: var(--hero-fg); }
.band-dark h2, .band-dark h3 { color: #FFFFFF; }
.band-dark .lede { color: var(--hero-muted); }
.band-dark .eyebrow { color: var(--mari); }
.eyebrow { font: 600 13px/1.2 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.sec-head { display: grid; gap: 14px; max-width: 760px; margin-bottom: 40px; }
.sec-head.center { margin-inline: auto; text-align: center; justify-items: center; }
.lede { font-size: 19px; color: var(--muted); max-width: 62ch; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font: 600 16px/1 var(--font-body); text-decoration: none; cursor: pointer;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink);
  transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--mari); border-color: var(--mari); color: #1E1608; }
.btn-primary:hover { background: #EDA840; border-color: #EDA840; }
.btn-dark { background: var(--hero-bg); border-color: var(--hero-bg); color: #FFFFFF; }
.btn-dark:hover { border-color: var(--accent); }
.btn-ghost-dark { background: transparent; color: var(--hero-fg); border-color: rgba(230, 242, 239, .35); }
.btn-ghost-dark:hover { border-color: var(--hero-fg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.link-arrow { font-weight: 600; text-decoration: none; }
.link-arrow:hover { text-decoration: underline; }

/* header */
.hero { background: var(--hero-bg); color: var(--hero-fg); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; }
.brand { display: flex; align-items: baseline; gap: 10px; color: var(--hero-fg); text-decoration: none; min-width: 0; }
.brand-name { font: 700 24px/1 var(--font-display); }
.brand-tag { font-size: 14px; color: var(--hero-muted); white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--hero-fg); text-decoration: none; font-weight: 500; font-size: 16px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--mari); }
.nav .btn { min-height: 42px; padding: 0 18px; font-size: 15px; color: #1E1608; }
.nav .btn:hover { color: #1E1608; }
@media (max-width: 960px) { .nav a:not(.btn) { display: none; } .brand-tag { display: none; } }

.page-hero { padding-block: 32px 72px; display: grid; gap: 20px; max-width: 780px; }
.page-hero .eyebrow { color: var(--mari); }
.page-hero h1 { color: #FFFFFF; font-size: clamp(38px, 5.4vw, 60px); letter-spacing: -0.015em; }
.page-hero .lede { color: var(--hero-muted); font-size: 20px; }
.note-dark { border: 1px solid var(--hero-line); background: rgba(255, 255, 255, .04); border-radius: 12px; padding: 16px 18px; color: var(--hero-muted); font-size: 16px; max-width: 64ch; }
.note-dark b { color: #FFFFFF; }

/* cards & lists */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 16px; }
.ticks li { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; }
.ticks li::before { content: ""; width: 10px; height: 6px; margin-top: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.ticks.small { font-size: 14.5px; gap: 6px; }
.ticks.small li::before { margin-top: 6px; }
.flag { position: absolute; top: -12px; left: 22px; background: var(--mari); color: #1E1608; font: 700 11.5px/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; padding: 7px 12px; border-radius: 999px; }
.price { font: 600 34px/1 var(--font-display); color: var(--accent); font-variant-numeric: tabular-nums; }
.price small { font: 500 15px/1 var(--font-body); color: var(--muted); margin-left: 4px; }
.limit { font: 500 12.5px/1.35 var(--font-mono); color: var(--muted); letter-spacing: .02em; text-transform: uppercase; }

/* numbered steps for tools */
.tstep { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 24px; margin: 0; min-width: 0; }
.tstep-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.tstep-head h2 { font-size: 22px; letter-spacing: 0; }
.tstep-sub { color: var(--muted); font-size: 15.5px; margin-bottom: 18px; }
.q { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: inline-grid; place-items: center; font: 700 14px/1 var(--font-body); }

/* selectable plan cards */
.choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding-top: 10px; }
@media (max-width: 760px) { .choice-grid { grid-template-columns: 1fr; } }
.choice { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 20px 18px 18px; border: 1.5px solid var(--line); border-radius: 12px; cursor: pointer; background: var(--bg); transition: border-color .15s, background .15s; min-width: 0; }
.choice:hover { border-color: var(--accent); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--surface); box-shadow: inset 0 0 0 1px var(--accent); }
.choice:has(input:focus-visible) { outline: 3px solid var(--mari); outline-offset: 2px; }
.choice.rec { border-color: var(--mari); }
.choice.rec:has(input:checked) { border-color: var(--accent); }
.choice b { font: 600 19px/1.2 var(--font-display); color: var(--ink); }
.choice .cp { font: 600 26px/1.1 var(--font-display); color: var(--accent); font-variant-numeric: tabular-nums; }
.choice .cp small { font: 500 13px var(--font-body); color: var(--muted); }
.choice .cd { font-size: 14.5px; color: var(--muted); line-height: 1.45; }
.choice .ticks { margin-top: 4px; }

/* small controls */
.counter { display: inline-flex; align-items: center; gap: 4px; border: 1.5px solid var(--line); border-radius: 999px; padding: 3px; background: var(--bg); }
.counter button { width: 34px; height: 34px; border-radius: 50%; border: 0; background: transparent; color: var(--ink); font: 600 20px/1 var(--font-body); cursor: pointer; }
.counter button:hover { background: var(--surface-2); }
.counter output { min-width: 2.2ch; text-align: center; font: 600 17px/1 var(--font-body); color: var(--ink); font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--accent); height: 28px; margin: 0; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 6px; margin-top: 10px; }
.seg button { border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 10px; padding: 9px 6px; cursor: pointer; font: 600 14.5px/1.2 var(--font-body); display: grid; gap: 2px; }
.seg button small { font-weight: 500; font-size: 12.5px; color: var(--muted); }
.seg button[aria-pressed="true"] { border-color: var(--accent); background: var(--surface); box-shadow: inset 0 0 0 1px var(--accent); }
.seg button[aria-pressed="true"] small { color: var(--good); }

.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 15px; color: var(--ink); }
.field label small { font-weight: 400; color: var(--muted); }
.field input, .field textarea, .field select {
  font: 400 16px/1.45 var(--font-body); color: var(--fg); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }

/* summary panel (estimate / cost comparison) */
.bench { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 380px); gap: 28px; align-items: start; }
@media (max-width: 1020px) { .bench { grid-template-columns: 1fr; } }
.steps-col { display: grid; gap: 18px; min-width: 0; }
.summary { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: 0 24px 50px -34px rgba(18, 48, 47, .45); min-width: 0; }
@media (max-width: 1020px) { .summary { position: static; max-height: none; } }
.sum-eyebrow { font: 500 11.5px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.sum-title { font: 600 22px/1.2 var(--font-display); color: var(--ink); margin-top: 8px; }
.save-box { margin-top: 16px; background: var(--good-soft); border-radius: 12px; padding: 14px 16px; display: grid; gap: 4px; }
.save-box .k { font-size: 13px; font-weight: 600; color: var(--muted); }
.save-box .v { font: 600 24px/1.15 var(--font-display); color: var(--good); font-variant-numeric: tabular-nums; }
.save-box p { font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.save-box a { font-size: 14px; }
.big-price { margin-top: 18px; font: 600 44px/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.big-price small { font: 500 16px var(--font-body); color: var(--muted); }
.grp { font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 16px 0 6px; }
.line { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--line); align-items: baseline; font-size: 15px; }
.line .ln { color: var(--fg); min-width: 0; }
.line .la { font-weight: 600; color: var(--ink); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.line.off .ln, .line.off .la { color: var(--good); }
.line.strike .la s { color: var(--muted); font-weight: 400; margin-right: 6px; }
.payline { margin-top: 14px; font-size: 14.5px; color: var(--muted); }
.payline b { color: var(--ink); }
.checks { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; font-size: 14.5px; }
.checks li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 8px; }
.checks li::before { content: "✓"; color: var(--good); font-weight: 700; }
.fine { margin-top: 14px; font-size: 12.5px; color: var(--muted); line-height: 1.5; }

/* faq */
details.faq { border-bottom: 1px solid var(--line); }
details.faq:first-of-type { border-top: 1px solid var(--line); }
details.faq summary { list-style: none; cursor: pointer; padding: 18px 40px 18px 0; position: relative; font: 600 18px/1.35 var(--font-display); color: var(--ink); }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font: 400 26px/1 var(--font-body); color: var(--accent); }
details.faq[open] summary::after { content: "–"; }
details.faq p { padding: 0 0 18px; color: var(--muted); max-width: 70ch; }
details.faq p + p { margin-top: -8px; }

/* footer */
footer { background: var(--hero-bg); color: var(--hero-muted); font-size: 15px; }
.foot { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 32px; padding-block: 48px 28px; }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr; } }
.foot b { color: var(--hero-fg); font-family: var(--font-display); font-size: 20px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot a { color: var(--hero-fg); text-decoration: none; }
.foot a:hover { color: var(--mari); }
.foot-h { font: 500 12px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--hero-muted); margin-bottom: 12px; }
.foot-bottom { border-top: 1px solid var(--hero-line); padding-block: 18px 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: 14px; }
@media print {
  .hero .nav, .no-print, footer { display: none !important; }
  .summary { position: static; max-height: none; box-shadow: none; }
}