:root {
  --ink: #0b1220;
  --ink-2: #0f2b54;
  --blue: #2563eb;
  --blue-dark: #0f2b54;
  --sky: #eff6ff;
  --sky-2: #f8fafc;
  --orange: #c2410c;
  --orange-dark: #9a3412;
  --white: #ffffff;
  --muted: #5c6b78;
  --line: #d7e2e8;
  --green: #177a58;
  --shadow: 0 20px 60px rgba(13, 48, 73, .12);
  --radius: 18px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange-dark); }
button, input { font: inherit; }
select, textarea { font: inherit; }
button { cursor: pointer; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #60a5fa;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(215, 226, 232, .9);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
}
.nav-shell {
  width: min(calc(100% - 32px), var(--max));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 850;
  letter-spacing: -.025em;
  text-decoration: none;
  white-space: nowrap;
}
.brand-logo { width: 126px; height: auto; object-fit: contain; }
.hub-label {
  padding-left: 11px;
  border-left: 1px solid var(--line);
  color: var(--blue-dark);
  font-size: .69rem;
  font-weight: 850;
  letter-spacing: .09em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: normal;
}
.footer-brand .brand-logo { padding: 5px; background: var(--white); border-radius: 9px; }
.footer-brand .hub-label { color: #c9dce6; border-left-color: rgba(255,255,255,.2); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  color: var(--ink-2);
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
}
.nav-links a:hover { color: var(--blue); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: var(--white);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border: 0;
  border-radius: 10px;
  color: var(--white);
  background: var(--orange);
  box-shadow: 0 8px 20px rgba(242, 140, 40, .25);
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.button:hover {
  color: var(--white);
  background: var(--orange-dark);
  box-shadow: 0 10px 24px rgba(214, 109, 13, .28);
  transform: translateY(-1px);
}
.button.secondary {
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: none;
}
.button.secondary:hover { background: var(--sky); }
.button.small { min-height: 42px; padding: 10px 16px; font-size: .9rem; }

.hero, .page-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(10, 75, 118, .98), rgba(16, 32, 51, .98)),
    repeating-linear-gradient(135deg, transparent 0 28px, rgba(255,255,255,.05) 28px 29px);
}
.hero::after, .page-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border: 70px solid rgba(255,255,255,.045);
  border-radius: 50%;
}
.hero-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 76px 0 82px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: 64px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: #aee3ff;
  font-size: .79rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--orange); }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.65rem, 5vw, 5rem); max-width: 15ch; }
.page-hero h1 { font-size: clamp(2.45rem, 4.5vw, 4.4rem); max-width: 18ch; }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: 1.32rem; }
.hero-lede, .page-lede {
  max-width: 660px;
  margin: 22px 0 0;
  color: #dcecf5;
  font-size: clamp(1.07rem, 1.8vw, 1.25rem);
  line-height: 1.6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}
.hero-proof li { color: #dcecf5; font-size: .9rem; }
.hero-proof strong { display: block; color: var(--white); font-size: 1rem; }

.formula-card {
  position: relative;
  padding: 28px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,.25);
}
.formula-card .label { color: var(--blue); font-size: .78rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.formula-stack { display: grid; gap: 12px; margin: 20px 0; }
.formula-row { display: grid; grid-template-columns: 36px 1fr; align-items: center; gap: 12px; }
.formula-row span:first-child {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--blue-dark);
  background: var(--sky);
  font-weight: 900;
}
.formula-row strong { display: block; font-size: 1.04rem; }
.formula-row small { color: var(--muted); }
.formula-result { padding: 18px; border-left: 4px solid var(--orange); background: #fff7eb; border-radius: 9px; }
.formula-result strong { display: block; color: var(--orange-dark); font-size: 1.4rem; }

.section { padding: 82px 0; }
.section.compact { padding: 58px 0; }
.section.tint { background: var(--sky-2); }
.shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading p { margin: 16px 0 0; color: var(--muted); font-size: 1.08rem; }
.kicker { margin: 0 0 10px; color: var(--blue); font-size: .77rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  padding: 26px;
  color: inherit;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { color: inherit; border-color: #9bc6dc; box-shadow: var(--shadow); transform: translateY(-3px); }
.card .number { color: var(--orange-dark); font-size: .75rem; font-weight: 850; letter-spacing: .12em; }
.card h3 { margin-top: 16px; }
.card p { margin: 12px 0 0; color: var(--muted); }
.card .arrow { display: inline-block; margin-top: 22px; color: var(--blue); font-weight: 800; }

.page-hero .hero-shell { padding: 66px 0 70px; }
.breadcrumbs { margin: 0 0 22px; color: #bad8e8; font-size: .86rem; }
.breadcrumbs a { color: #e5f5fd; }
.page-hero .hero-actions { margin-top: 26px; }

.article-shell {
  width: min(calc(100% - 32px), 1080px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 720px) 280px;
  align-items: start;
  gap: 72px;
}
.article { min-width: 0; }
.article h2 { margin: 54px 0 18px; font-size: clamp(1.8rem, 3vw, 2.55rem); }
.article h3 { margin: 34px 0 12px; }
.article p { margin: 0 0 20px; }
.article ul, .article ol { margin: 0 0 24px; padding-left: 24px; }
.article li { margin: 8px 0; }
.article .intro { font-size: 1.18rem; color: var(--ink-2); }
.article blockquote {
  margin: 30px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--orange);
  background: #fff8ef;
  border-radius: 0 12px 12px 0;
}
.sidebar { position: sticky; top: 104px; display: grid; gap: 16px; }
.side-card { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--sky-2); }
.side-card h3 { font-size: 1.05rem; }
.side-card p { margin: 9px 0 16px; color: var(--muted); font-size: .92rem; }
.side-nav { margin: 12px 0 0; padding: 0; list-style: none; }
.side-nav li { margin: 8px 0; }
.side-nav a { color: var(--ink-2); font-size: .9rem; font-weight: 700; text-decoration: none; }

.calculator {
  margin: -28px auto 0;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.calc-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 38px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field label { display: block; margin-bottom: 7px; font-size: .91rem; font-weight: 800; }
.field .hint { display: block; margin-top: 6px; color: var(--muted); font-size: .78rem; }
.input-wrap { position: relative; }
.input-wrap span {
  position: absolute;
  top: 50%;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}
.input-wrap .prefix { left: 14px; }
.input-wrap .suffix { right: 14px; }
.field input {
  width: 100%;
  min-height: 52px;
  padding: 12px 42px 12px 14px;
  border: 1px solid #b9cbd5;
  border-radius: 10px;
  color: var(--ink);
  background: var(--white);
  font-size: 1rem;
  font-weight: 750;
}
.field input.has-prefix { padding-left: 32px; }
.field input:focus { outline: 3px solid rgba(22,104,157,.18); border-color: var(--blue); }
.calc-result {
  min-height: 100%;
  padding: 28px;
  color: var(--white);
  background: linear-gradient(155deg, var(--ink-2), var(--ink));
  border-radius: 16px;
}
.calc-result .result-label { color: #aee3ff; font-size: .78rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.calc-result output { display: block; margin: 7px 0 2px; font-size: clamp(2.5rem, 5vw, 4.6rem); font-weight: 900; line-height: 1; letter-spacing: -.055em; }
.calc-result .per-month { color: #cce3ef; }
.result-breakdown { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 24px 0; }
.result-breakdown div { padding: 14px; background: rgba(255,255,255,.07); border-radius: 9px; }
.result-breakdown strong { display: block; font-size: 1.1rem; }
.result-breakdown span { color: #cce3ef; font-size: .78rem; }
.disclaimer { color: var(--muted); font-size: .84rem; }
.calc-result .disclaimer { color: #b8cfdb; }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: steps; }
.process .step { position: relative; padding: 24px; border-top: 4px solid var(--blue); background: var(--white); border-radius: 0 0 14px 14px; box-shadow: 0 10px 32px rgba(13,48,73,.08); }
.process .step::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 16px; color: var(--orange-dark); font-size: .75rem; font-weight: 900; letter-spacing: .1em; }

.comparison-wrap { overflow-x: auto; margin: 28px 0 34px; border: 1px solid var(--line); border-radius: 14px; }
.comparison { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .9rem; }
.comparison th, .comparison td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--white); background: var(--ink-2); }
.comparison th:last-child { background: var(--blue-dark); }
.comparison td:last-child { background: #f0f8fc; }
.comparison tr:last-child td { border-bottom: 0; }

.callout {
  margin: 42px 0;
  padding: 28px;
  border: 1px solid #acd1e3;
  border-radius: 16px;
  background: var(--sky);
}
.callout h3 { margin: 0 0 10px; }
.callout p:last-child { margin-bottom: 0; }
.warning { border-color: #f6c47d; background: #fff8ed; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 20px 2px; font-weight: 800; cursor: pointer; }
.faq details p { padding: 0 2px 20px; color: var(--muted); }

.cta-band { position: relative; overflow: hidden; color: var(--white); background: var(--blue-dark); }
.cta-band .shell { padding: 58px 0; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { max-width: 700px; font-size: clamp(2rem, 4vw, 3.4rem); }
.cta-band p { max-width: 680px; margin: 14px 0 0; color: #d6ebf6; }

.resource-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.resource-card { display: grid; grid-template-columns: 52px 1fr; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; color: inherit; text-decoration: none; }
.resource-card:hover { color: inherit; border-color: #8dbbd3; background: var(--sky-2); }
.resource-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--blue-dark); background: var(--sky); border-radius: 12px; font-weight: 900; }
.resource-card p { margin: 7px 0 0; color: var(--muted); font-size: .91rem; }

.site-footer { color: #d2e3ec; background: #091827; }
.footer-grid { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; padding: 56px 0 36px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 56px; }
.site-footer .brand { color: var(--white); }
.site-footer p { max-width: 470px; color: #9fb5c2; }
.site-footer h3 { margin-bottom: 14px; color: var(--white); font-size: .94rem; letter-spacing: .02em; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin: 8px 0; }
.footer-links a { color: #c9dce6; text-decoration: none; }
.footer-bottom { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; padding: 22px 0 32px; border-top: 1px solid rgba(255,255,255,.1); color: #8da5b2; font-size: .84rem; }

.audit-dialog {
  width: min(calc(100% - 32px), 760px);
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 0;
  border-radius: 20px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 30px 90px rgba(0,0,0,.3);
}
.audit-dialog::backdrop { background: rgba(5, 18, 31, .72); backdrop-filter: blur(3px); }
.audit-modal { position: relative; padding: 34px; }
.audit-modal h2 { padding-right: 40px; font-size: clamp(1.8rem, 4vw, 2.65rem); }
.audit-intro { margin: 12px 0 24px; color: var(--muted); }
.audit-close { position: absolute; top: 18px; right: 18px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: var(--white); font-size: 1.65rem; line-height: 1; }
.audit-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.audit-fields .audit-wide { grid-column: 1 / -1; }
.audit-fields input, .audit-fields select, .audit-fields textarea { width: 100%; padding: 12px 14px; border: 1px solid #b9cbd5; border-radius: 10px; color: var(--ink); background: var(--white); }
.audit-fields input, .audit-fields select { min-height: 50px; }
.audit-fields textarea { resize: vertical; }
.audit-fields input:focus, .audit-fields select:focus, .audit-fields textarea:focus { outline: 3px solid rgba(37,99,235,.15); border-color: var(--blue); }
.audit-fields label span { color: var(--muted); font-weight: 500; }
.audit-check { display: flex; align-items: flex-start; gap: 10px; margin-top: 16px; color: var(--muted); font-size: .85rem; line-height: 1.5; }
.audit-check input { width: 18px; height: 18px; margin-top: 2px; flex: 0 0 auto; accent-color: var(--blue); }
.audit-demo-option { margin-top: 20px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }
.audit-demo-option .audit-check { margin-top: 0; color: var(--ink); font-size: 1rem; }
.audit-demo-disclosure { margin: 12px 0 0; color: var(--ink); font-size: .9rem; line-height: 1.6; }
.audit-demo-number { margin: 12px 0 0; font-size: .9rem; font-weight: 650; }
.audit-calculator-summary { margin-top: 18px; padding: 14px 16px; border-left: 4px solid var(--orange); border-radius: 8px; background: #fff7eb; font-size: .9rem; }
.audit-phone-note { margin: 10px 0 0 28px; color: var(--muted); font-size: .8rem; }
.audit-submit { width: 100%; margin-top: 20px; }
.audit-submit:disabled { cursor: wait; opacity: .7; transform: none; }
.audit-submit.is-success:disabled { cursor: default; opacity: 1; background: var(--green); }
.audit-status { min-height: 1.5em; margin: 12px 0 0; font-size: .9rem; text-align: center; }
.audit-status.success { color: var(--green); font-weight: 750; }
.audit-status.error { color: #9a3412; }
.audit-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.audit-modal .disclaimer { margin: 12px 0 0; text-align: center; }
body:has(.audit-dialog[open]) { overflow: hidden; }

@media (max-width: 900px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    display: none;
    padding: 18px 20px 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(16,32,51,.12);
  }
  .nav-links.open { display: flex; }
  .nav-links .button { width: 100%; }
  .hero-grid, .calc-grid, .article-shell { grid-template-columns: 1fr; }
  .hero-grid { gap: 40px; }
  .article-shell { gap: 36px; }
  .sidebar { position: static; grid-row: auto; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .nav-shell { min-height: 68px; }
  .brand-logo { width: 108px; }
  .hub-label { max-width: 90px; font-size: .58rem; }
  .nav-links { top: 67px; }
  .hero-shell { padding: 56px 0 60px; }
  .hero h1, .page-hero h1 { font-size: clamp(2.35rem, 12vw, 3.3rem); }
  .hero-proof { grid-template-columns: 1fr; gap: 15px; }
  .formula-card, .calculator { padding: 22px; }
  .section { padding: 62px 0; }
  .fields, .card-grid, .process, .resource-list, .result-breakdown { grid-template-columns: 1fr; }
  .cta-band .shell { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .audit-modal { padding: 26px 20px; }
  .audit-fields { grid-template-columns: 1fr; }
  .audit-fields .audit-wide { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}