:root {
  --ink: #0b0d0f;
  --ink-soft: #3f474d;
  --muted: #687178;
  --paper: #f7f7f5;
  --surface: #ffffff;
  --surface-soft: #f0f1ef;
  --line: #dedfda;
  --line-strong: #c7cac4;
  --signal: #7dd3fc;
  --signal-dark: #075985;
  --success: #176b45;
  --danger: #a22929;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 16px 50px rgba(11, 13, 15, 0.08);
  --container: 1160px;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(11, 13, 15, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 13, 15, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 40px 40px;
  font-family: var(--font-sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(125, 211, 252, 0.17), transparent 34rem);
  z-index: -1;
}

img,
svg {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: white;
  background: var(--ink);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(199, 202, 196, 0.72);
  background: rgba(247, 247, 245, 0.88);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 760;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-mark-only {
  gap: 0;
}

.brand-mark-only img {
  width: 92px;
  height: 48px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 580;
  text-decoration: none;
}

.site-nav a.button-small {
  color: white;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a.button-small:hover {
  color: white;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 11px;
  background: var(--ink);
  color: white;
  font-weight: 680;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(11, 13, 15, 0.15);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  border-color: var(--line-strong);
}

.button-small {
  min-height: 38px;
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.hero {
  padding: clamp(5rem, 10vw, 9rem) 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--signal-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 900px;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7vw, 6.4rem);
  font-weight: 760;
}

h2 {
  margin-bottom: 1.1rem;
  font-size: clamp(2.1rem, 4.5vw, 4rem);
  font-weight: 730;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero-note {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-qualifier {
  margin-top: 1.2rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

.hero-form-shell {
  padding: clamp(1.5rem, 3.6vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 251, 253, 0.96));
  box-shadow: var(--shadow-soft);
}

.hero-form-copy {
  margin-bottom: 1rem;
}

.hero-form-shell h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
}

.hero-form-shell p,
.hero-form-shell summary,
.hero-form-shell small {
  color: var(--ink-soft);
}

.compact-list {
  gap: 0.55rem;
  margin-top: 1rem;
}

.compact-list li {
  padding-left: 1.45rem;
}

.signal-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.signal-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 1.2rem 0;
  list-style: none;
}

.signal-list li {
  padding: 0.45rem 1rem;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.signal-list li:last-child {
  border-right: 0;
}

.section {
  padding: clamp(4.5rem, 9vw, 8rem) 0;
}

.section-compact {
  padding: 3.5rem 0;
}

.section-dark {
  color: #f3f4f2;
  background: var(--ink);
}

.section-dark .eyebrow {
  color: var(--signal);
}

.section-dark .lead,
.section-dark .muted {
  color: #b7bec1;
}

.section-header {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 7vw, 7rem);
  margin-bottom: 3rem;
}

.section-header p:last-child {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  min-height: 100%;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
}

.card-number,
.card-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--signal-dark);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card p:last-child {
  margin-bottom: 0;
}

.card-link {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.card-link:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: white;
}

.card-link .arrow {
  margin-top: auto;
  padding-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.check-list,
.cross-list {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  margin: 1.4rem 0 0;
  list-style: none;
}

.check-list li,
.cross-list li {
  position: relative;
  padding-left: 1.7rem;
}

.check-list li::before,
.cross-list li::before {
  position: absolute;
  left: 0;
  top: 0.05rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.check-list li::before {
  content: "+";
  color: var(--success);
}

.cross-list li::before {
  content: "–";
  color: var(--danger);
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.comparison-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.comparison-panel.negative {
  background: #f5f0ef;
}

.process-grid {
  counter-reset: process;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.process-step {
  position: relative;
  padding: 1.5rem;
  border: 1px solid #34393c;
  border-radius: var(--radius-md);
  background: #141719;
}

.process-step::before {
  counter-increment: process;
  content: "0" counter(process);
  display: block;
  margin-bottom: 2rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.process-step p {
  margin-bottom: 0;
  color: #b8bfc2;
}

.quote-block {
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.quote-block p {
  max-width: 940px;
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.contact-form {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.contact-form-compact .field {
  margin-bottom: 0.7rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-grid-compact {
  gap: 0.85rem;
}

.field {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.7rem;
}

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

.field label,
.field-label {
  font-size: 0.88rem;
  font-weight: 680;
}

.field small {
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: white;
  color: var(--ink);
  padding: 0.8rem 0.9rem;
}

textarea {
  min-height: 116px;
  resize: vertical;
}

.form-optional {
  margin-top: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.form-optional summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 680;
  list-style: none;
}

.form-optional summary::-webkit-details-marker {
  display: none;
}

.form-optional[open] summary {
  margin-bottom: 0.85rem;
}

input::placeholder,
textarea::placeholder {
  color: #8b9296;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-error {
  min-height: 1.1rem;
  color: var(--danger);
  font-size: 0.8rem;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 0.75rem 0;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
}

.checkbox-row label {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
}

.form-status {
  min-height: 1.6rem;
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

.form-status[data-state="success"] {
  color: var(--success);
}

.form-status[data-state="error"] {
  color: var(--danger);
}

.turnstile-shell {
  min-height: 66px;
}

.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.page-hero {
  padding: clamp(4rem, 9vw, 8rem) 0 3rem;
}

.page-hero h1 {
  max-width: 1000px;
  font-size: clamp(2.8rem, 6.5vw, 5.8rem);
}

.content-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.prose {
  max-width: 780px;
}

.prose h2 {
  margin-top: 3rem;
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
}

.prose h3 {
  margin-top: 2rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose strong {
  color: var(--ink);
}

.sidebar-card {
  position: sticky;
  top: 110px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.85);
}

.sidebar-card p {
  color: var(--ink-soft);
}

.notice {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--signal-dark);
  background: #eef8fc;
  color: var(--ink-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding: 3rem 0;
}

.footer-brand p {
  max-width: 560px;
  color: var(--muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 0.6rem 2rem;
  align-content: start;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.muted {
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
}

@media (max-width: 900px) {
  .hero-grid,
  .section-header,
  .content-shell {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-list li:nth-child(2) {
    border-right: 0;
  }

  .signal-list li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .sidebar-card {
    position: static;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 0.75rem;
  }

  .site-nav .button {
    margin-top: 0.35rem;
  }

  .comparison,
  .card-grid,
  .card-grid.two,
  .process-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .hero {
    padding-top: 4rem;
  }

  h1 {
    font-size: clamp(2.7rem, 15vw, 4.7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}