:root {
  --bg: #071015;
  --bg-alt: #0c171d;
  --surface: rgba(15, 28, 35, 0.78);
  --surface-strong: #101f27;
  --border: rgba(110, 201, 219, 0.14);
  --border-strong: rgba(110, 201, 219, 0.28);
  --text: #ecf4f6;
  --muted: #9fb3bb;
  --muted-strong: #bfd3da;
  --accent: #6ec9db;
  --danger: #ffb4a7;
  --radius: 8px;
  --container: 1180px;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-serif: "Newsreader", Georgia, serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(12, 24, 30, 0.74), rgba(7, 16, 21, 0.98) 24%),
    linear-gradient(90deg, rgba(110, 201, 219, 0.04) 0, rgba(110, 201, 219, 0.04) 1px, transparent 1px, transparent 128px),
    linear-gradient(rgba(110, 201, 219, 0.03) 0, rgba(110, 201, 219, 0.03) 1px, transparent 1px, transparent 128px),
    var(--bg);
  background-size: auto, 128px 128px, 128px 128px, auto;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(110, 201, 219, 0.1);
  background: rgba(7, 16, 21, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
}

.brand__logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.nav-link {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--muted-strong);
}

.valuation-shell {
  padding: clamp(38px, 6vw, 70px) 0 clamp(60px, 7vw, 92px);
}

.intro {
  max-width: 780px;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.intro h1 {
  max-width: 13ch;
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: 0;
}

.intro p:not(.eyebrow),
.result-empty p,
.result-summary,
.lead-form p,
.privacy-note,
.signals li {
  color: var(--muted);
}

.tool {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: start;
}

.valuation-form,
.result-panel {
  border: 1px solid rgba(110, 201, 219, 0.12);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15, 27, 34, 0.74), rgba(11, 20, 25, 0.88));
}

.valuation-form {
  display: grid;
  gap: 24px;
  padding: clamp(20px, 3vw, 30px);
}

.form-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.section-label {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 4px;
}

.section-label span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.section-label h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.field {
  display: grid;
  gap: 9px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label,
.checks label {
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.field input,
.field select,
.lead-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(110, 201, 219, 0.14);
  border-radius: 8px;
  background: rgba(7, 16, 21, 0.72);
  color: var(--text);
  padding: 0 14px;
  transition: border-color var(--transition), background var(--transition);
}

.field input:focus,
.field select:focus,
.lead-form input:focus {
  outline: none;
  border-color: rgba(110, 201, 219, 0.48);
  background: rgba(9, 18, 24, 0.94);
}

.field input::placeholder,
.lead-form input::placeholder {
  color: rgba(159, 179, 187, 0.68);
}

.checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.checks label {
  display: flex;
  min-height: 46px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(110, 201, 219, 0.12);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(7, 16, 21, 0.44);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--accent);
  color: #041015;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: #89d8e6;
}

.button--primary.is-loading,
.button--ghost.is-loading {
  cursor: wait;
  opacity: 0.72;
}

.button--ghost {
  border-color: rgba(110, 201, 219, 0.2);
  background: rgba(10, 18, 23, 0.28);
  color: var(--text);
}

.privacy-note {
  margin: -8px 0 0;
  font-size: 0.88rem;
}

.result-panel {
  position: sticky;
  top: 98px;
  min-height: 420px;
  padding: clamp(20px, 3vw, 30px);
}

.result-empty h2,
.result-content h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.06;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric-grid article {
  min-height: 98px;
  border: 1px solid rgba(110, 201, 219, 0.12);
  border-radius: 8px;
  padding: 14px;
  background: rgba(7, 16, 21, 0.48);
}

.metric-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.metric-grid strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  line-height: 1.14;
}

.signals {
  margin-top: 24px;
}

.signals h3,
.lead-form h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.signals ul {
  display: grid;
  gap: 9px;
  padding-left: 18px;
  margin: 0;
}

.lead-form {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  border-top: 1px solid rgba(110, 201, 219, 0.12);
  padding-top: 22px;
}

.lead-grid {
  display: grid;
  gap: 10px;
}

.lead-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.lead-status.is-error {
  color: var(--danger);
}

@media (max-width: 980px) {
  .tool {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .nav {
    min-height: 70px;
  }

  .nav-link {
    display: none;
  }

  .intro h1 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .form-section,
  .checks,
  .metric-grid {
    grid-template-columns: 1fr;
  }
}