:root {
  --ink: #0f172a;
  --ink-soft: #475569;
  --brand: #0d9488;
  --brand-dark: #0f766e;
  --accent: #f59e0b;
  --bg: #ffffff;
  --bg-alt: #f0fdfa;
  --line: #e2e8f0;
  --radius: 8px;
  --shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.container { width: min(1100px, 92%); margin: 0 auto; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
a { color: var(--brand-dark); text-decoration: none; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--ink); letter-spacing: -0.02em; }
.brand span { color: var(--brand); }
.nav__links { display: flex; align-items: center; gap: 1.4rem; }
.nav__links a { color: var(--ink-soft); font-weight: 500; }
.nav__links a:hover { color: var(--ink); }
.language-switcher {
  display: inline-grid; grid-template-columns: repeat(4, 1fr); gap: 0.15rem;
  padding: 0.18rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff;
}
.language-switcher__btn {
  min-width: 2rem; min-height: 2rem; padding: 0 0.35rem;
  border: 0; border-radius: calc(var(--radius) - 2px); background: transparent;
  color: var(--ink-soft); cursor: pointer; font: inherit; font-size: 0.78rem;
  font-weight: 800; line-height: 1;
}
.language-switcher__btn:hover { color: var(--ink); }
.language-switcher__btn.is-active { background: var(--brand); color: #fff; }

/* Buttons */
.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 0.7rem 1.2rem; border-radius: 999px; font-weight: 700;
  border: none; cursor: pointer; transition: transform 0.05s ease, background 0.2s ease;
}
.btn:hover { background: var(--brand-dark); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 0.95rem 1.7rem; font-size: 1.05rem; }
.btn--sm { padding: 0.5rem 1rem; font-size: 0.9rem; }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 70% -10%, #ccfbf1 0%, transparent 60%),
              linear-gradient(180deg, var(--bg-alt), var(--bg));
  padding: 5rem 0 4rem;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem;
  font-weight: 700; color: var(--brand-dark); margin: 0 0 1rem;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0 0 1.2rem; max-width: 15ch; }
.hero .hl { color: var(--brand); }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; margin: 0 0 2rem; }
.hero__cta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.hero__note { color: var(--ink-soft); font-size: 0.95rem; }
.link-cta { font-weight: 800; color: var(--brand-dark); }
.link-cta:hover { color: var(--ink); }
.hero__badges {
  list-style: none; display: flex; gap: 1.5rem; flex-wrap: wrap;
  padding: 0; margin: 2.5rem 0 0; color: var(--ink-soft); font-weight: 600;
}
.hero__badges li { position: relative; padding-left: 1.5rem; }
.hero__badges li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }

/* Sections */
.section { padding: 4.5rem 0; }
.section--compact { padding: 3rem 0; }
.section--alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin: 0 0 2rem; max-width: 22ch; }
.section h2 em { color: var(--brand-dark); font-style: normal; }
.section-note { color: var(--ink-soft); margin-top: -1.2rem; }

/* Engine */
.engine {
  display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 2.5rem; align-items: start;
}
.engine h2 { margin-bottom: 1rem; }
.engine p { color: var(--ink-soft); font-size: 1.08rem; margin: 0; max-width: 52ch; }
.engine__grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}
.mini-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; box-shadow: var(--shadow);
}
.mini-card strong { display: block; margin-bottom: 0.25rem; }
.mini-card span { color: var(--ink-soft); font-size: 0.95rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--ink-soft); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.5rem; }
.steps li { display: flex; gap: 1.2rem; align-items: flex-start; }
.steps span {
  flex: none; width: 2.6rem; height: 2.6rem; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 800;
  display: grid; place-items: center; font-size: 1.1rem;
}
.steps h3 { margin: 0.2rem 0 0.3rem; }
.steps p { margin: 0; color: var(--ink-soft); max-width: 60ch; }

/* Stats + quote */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.2rem; margin-bottom: 2.5rem; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.stat strong { display: block; font-size: 2rem; color: var(--brand-dark); }
.stat span { color: var(--ink-soft); }
.quote {
  margin: 0; font-size: 1.3rem; font-weight: 500; color: var(--ink);
  border-left: 4px solid var(--accent); padding-left: 1.5rem; max-width: 60ch;
}

/* CTA + form */
.section--cta { background: linear-gradient(180deg, var(--bg), var(--bg-alt)); }
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.form-copy h2 { margin-top: 0; }
.form-copy p { color: var(--ink-soft); font-size: 1.1rem; }
.ticks { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.ticks li { position: relative; padding-left: 1.7rem; margin-bottom: 0.6rem; color: var(--ink); }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }

.lead-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow);
}
.lead-form label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 1rem; color: var(--ink); }
.optional { color: var(--ink-soft); font-weight: 500; }
.lead-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%; margin-top: 0.4rem; padding: 0.7rem 0.8rem;
  border: 1px solid var(--line); border-radius: var(--radius); font-size: 1rem;
  font-family: inherit; color: var(--ink); background: #fff;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}
.lead-form .btn { width: 100%; margin-top: 0.4rem; }
.check-row {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.65rem;
  align-items: start; line-height: 1.4;
}
.check-row input { width: auto; margin-top: 0.18rem; }
.form-status { margin: 0.9rem 0 0; font-weight: 600; min-height: 1.2rem; }
.form-status.ok { color: var(--brand-dark); }
.form-status.err { color: #b91c1c; }
.trust-row {
  display: grid; gap: 0.55rem; margin-top: 1.5rem; color: var(--ink-soft);
  font-size: 0.95rem; font-weight: 650;
}
.trust-row span { position: relative; padding-left: 1.4rem; }
.trust-row span::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.5rem; height: 0.5rem; border-radius: 999px; background: var(--accent);
}
.privacy-note,
.cta-note {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0.9rem 0 0;
}

/* Value Audit */
.audit-hero {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  padding: 4.5rem 0 3.5rem;
}
.audit-hero__grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 3rem; align-items: center;
}
.audit-hero h1 {
  font-size: clamp(2.15rem, 4.8vw, 3.35rem);
  margin: 0 0 1.2rem;
  max-width: 16ch;
}
.audit-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.audit-panel strong { display: block; font-size: 1.2rem; line-height: 1.3; margin-bottom: 1rem; }
.audit-panel ul,
.leak-list,
.x-list {
  list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem;
}
.audit-panel li,
.leak-list li,
.x-list li {
  position: relative; padding-left: 1.5rem; color: var(--ink-soft);
}
.audit-panel li::before,
.leak-list li::before {
  content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 900;
}
.x-list li::before {
  content: "×"; position: absolute; left: 0; color: #b91c1c; font-weight: 900;
}
.audit-split {
  display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 2.5rem; align-items: start;
}
.audit-split h2 { margin-top: 0; margin-bottom: 1rem; }
.audit-split p { color: var(--ink-soft); font-size: 1.08rem; margin: 0; }
.audit-cards { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.audit-tabs {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem;
}
.audit-tabs a {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.38rem 0.7rem; background: #fff; color: var(--ink-soft);
  font-size: 0.9rem; font-weight: 700;
}
.audit-tabs a:hover { border-color: var(--brand); color: var(--brand-dark); }
.fit-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.fit-grid h3 { margin: 0 0 0.8rem; }
.audit-steps { gap: 1.1rem; }
.audit-steps p { font-size: 1rem; }
.thank-hero .btn { margin-top: 0.5rem; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--ink-soft); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }

/* Services page */
.page-hero {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  padding: 4.5rem 0 3.5rem;
}
.page-hero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); margin: 0 0 1.2rem; max-width: 16ch; }
.service-feature {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 2rem; align-items: start;
}
.service-feature h2 { margin-bottom: 1rem; }
.service-feature p { color: var(--ink-soft); font-size: 1.1rem; max-width: 62ch; }
.tag {
  display: inline-block; margin: 0 0 0.8rem; padding: 0.25rem 0.65rem;
  border-radius: 999px; background: #fef3c7; color: #92400e; font-weight: 800;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em;
}
.callout {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.callout strong, .callout span { display: block; }
.callout strong { font-size: 1.25rem; color: var(--ink); line-height: 1.25; }
.callout span { color: var(--brand-dark); font-weight: 800; margin-top: 0.6rem; }
.callout p { margin: 1rem 0 0; color: var(--ink-soft); }
.split { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; align-items: start; }
.service-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem;
}
.service-list li {
  position: relative; padding: 1rem 1rem 1rem 2.6rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  font-weight: 650;
}
.service-list li::before {
  content: "✓"; position: absolute; left: 1rem; color: var(--brand); font-weight: 900;
}
.section-head {
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
  margin-bottom: 2rem;
}
.section-head h2 { margin: 0; }
.service-cards { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.cta-strip {
  display: flex; justify-content: space-between; align-items: center; gap: 2rem;
}
.cta-strip h2 { margin-bottom: 0.7rem; }
.cta-strip p { margin: 0; color: var(--ink-soft); font-size: 1.1rem; max-width: 58ch; }

@media (max-width: 760px) {
  .nav__inner {
    height: auto; min-height: 64px; gap: 0.65rem; padding: 0.7rem 0;
    align-items: flex-start; flex-wrap: wrap;
  }
  .brand { font-size: 1.05rem; }
  .nav__links { width: 100%; justify-content: space-between; gap: 0.45rem; }
  .nav__links .nav__optional { display: none; }
  .nav__links a { font-size: 0.8rem; white-space: nowrap; }
  .nav__links .btn { padding: 0.45rem 0.6rem; border-radius: var(--radius); }
  .language-switcher { flex: none; }
  .language-switcher__btn { min-width: 1.65rem; min-height: 1.8rem; padding: 0 0.2rem; }
  .engine { grid-template-columns: 1fr; gap: 1.5rem; }
  .engine__grid { grid-template-columns: 1fr; }
  .audit-hero__grid, .audit-split, .fit-grid { grid-template-columns: 1fr; }
  .audit-hero { padding: 3.2rem 0 2.6rem; }
  .form-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .lead-form .row { grid-template-columns: 1fr; }
  .service-feature, .split { grid-template-columns: 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .section-head, .cta-strip { align-items: flex-start; flex-direction: column; }
}