/* Signal Forge Solutions — static marketing site. No build step. */

:root {
  --ink: #101318;
  --ink-2: #171c22;
  --ink-3: #1f252e;
  --paper: #f3efe6;
  --paper-dim: #cfc6b8;
  --muted: #b4ab9d;
  --line: #2c333c;
  --line-strong: #3d4652;
  --copper: #d08942;
  --copper-hot: #e39a52;
  --copper-ink: #1a1208;
  --focus: #f0c080;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Palatino Linotype", "URW Palladio L", P052, "Times New Roman", Times, serif;
  --font-sans: "Segoe UI", system-ui, -apple-system, "Liberation Sans", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Mono", "Liberation Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 72rem;
  --narrow: 40rem;
  --gutter: clamp(1.15rem, 3.2vw, 2rem);
  --radius: 0.15rem;
  --header-h: 5.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

html:focus-within {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html,
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--paper);
  background: var(--ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--copper-hot);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--paper);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 100;
  padding: 0.5rem 0.8rem;
  background: var(--copper);
  color: var(--copper-ink);
  font-weight: 600;
  text-decoration: none;
}

.skip:focus {
  top: 0.6rem;
}

.wrap {
  width: min(var(--wrap), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.narrow {
  max-width: var(--narrow);
}

/* Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 19, 24, 0.92);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  min-height: var(--header-h);
  padding-block: 0.7rem;
}

.brand {
  display: flex;
  align-items: baseline;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover {
  color: var(--paper);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.brand-name span {
  display: block;
  margin-top: 0.12rem;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--paper-dim);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin-left: auto;
}

.nav a {
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 0.92rem;
}

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

.header-cta {
  flex: none;
}

@media (max-width: 52rem) {
  .nav {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
    padding-top: 0.15rem;
  }

  .header-cta {
    margin-left: auto;
  }
}

/* Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.62rem 1.05rem;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  background: var(--copper);
  color: var(--copper-ink);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--copper-hot);
  border-color: var(--copper-hot);
  color: var(--copper-ink);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--paper-dim);
  background: transparent;
  color: var(--paper);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 0.85rem;
  align-items: center;
}

/* Hero
   ========================================================================== */

.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3.5rem, 9vw, 7rem);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  background:
    linear-gradient(180deg, rgba(208, 137, 66, 0.08), transparent 42%),
    var(--ink);
}

.kicker {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
}

.hero h1 {
  margin: 0 0 1.15rem;
  max-width: 18ch;
  font-family: var(--font-serif);
  font-size: clamp(2.15rem, 6vw, 3.55rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 38rem;
  font-size: 1.125rem;
  color: var(--paper-dim);
}

.hero-note {
  margin: 1.15rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Sections
   ========================================================================== */

.section {
  padding: clamp(3.25rem, 7vw, 5.75rem) 0;
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.4vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section h3 {
  margin: 1.6rem 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
}

.section p {
  margin: 0 0 1rem;
  color: var(--paper-dim);
}

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

.split {
  display: grid;
  gap: 2rem 3.5rem;
}

@media (min-width: 56rem) {
  .split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .split-wide {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.rule {
  width: 2.5rem;
  height: 2px;
  margin: 0 0 1.15rem;
  background: var(--copper);
  border: 0;
}

/* Problem
   ========================================================================== */

.pull {
  margin: 1.4rem 0 0;
  padding: 1.15rem 1.2rem;
  border-left: 2px solid var(--copper);
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.4;
}

/* Offer / how
   ========================================================================== */

.offer-panel {
  padding: 1.35rem 1.3rem 1.4rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.offer-panel .kicker {
  margin-bottom: 0.55rem;
}

.offer-panel h3 {
  margin: 0 0 0.7rem;
  font-size: 1.35rem;
}

.deliverables {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.deliverables li {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.45rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
}

.deliverables li:last-child {
  padding-bottom: 0;
}

.tick {
  color: var(--copper);
  font-weight: 700;
}

.calls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin: 1.1rem 0 0;
}

.call {
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  background: var(--ink);
}

.call strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 400;
  margin-bottom: 0.2rem;
}

.call span {
  font-size: 0.92rem;
  color: var(--paper-dim);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 1rem 0 1rem 3.1rem;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
}

.steps li:last-child {
  padding-bottom: 0;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.steps strong {
  display: block;
  color: var(--paper);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.score-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
}

.score-key span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.55rem;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.score-key b {
  color: var(--copper);
  font-weight: 400;
}

/* Who / limits
   ========================================================================== */

.lists {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 48rem) {
  .lists {
    grid-template-columns: 1fr 1fr;
  }
}

.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  padding: 0.55rem 0 0.55rem 1.15rem;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
  position: relative;
}

.plain-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--copper);
}

.plain-list.wont li::before {
  content: "×";
}

.lists h3 {
  margin-top: 0;
}

/* About
   ========================================================================== */

.about-meta {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.about-meta li {
  display: flex;
  gap: 1rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.about-meta dt,
.about-meta .label {
  flex: 0 0 8.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.2rem;
}

/* Contact
   ========================================================================== */

.form {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 1rem;
}

.field textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--muted);
}

.form-note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.form-status {
  min-height: 1.3em;
  margin: 0;
  font-size: 0.9rem;
  color: var(--copper-hot);
}

.form-status[hidden] {
  display: none;
}

.direct-mail {
  margin-top: 0.4rem;
}

/* Footer
   ========================================================================== */

.site-footer {
  padding: 1.6rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
}

.footer-links a {
  color: var(--paper-dim);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--paper);
}

/* Inner pages
   ========================================================================== */

.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 0.5rem;
}

.page-hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  letter-spacing: -0.02em;
}

.prose {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.prose h2 {
  margin: 2.2rem 0 0.6rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.prose p,
.prose li {
  color: var(--paper-dim);
}

.prose ul {
  padding-left: 1.15rem;
}

.legal-note {
  margin-top: 2rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

/* 404 */
.dead-end {
  padding: clamp(4rem, 12vw, 8rem) 0;
}

.dead-end h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.8rem;
}

/* Print */
@media print {
  .site-header,
  .header-cta,
  .btn,
  .form,
  .skip {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  .section,
  .hero,
  .prose,
  a {
    color: #111;
    border-color: #ccc;
  }
}

::selection {
  background: var(--copper);
  color: var(--copper-ink);
}

button.btn {
  appearance: none;
  -webkit-appearance: none;
}

h1, h2, h3 {
  text-wrap: balance;
}

.site-footer a {
  overflow-wrap: anywhere;
}