/* NextKnocks — one stylesheet, no build step. */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("fonts/atkinson-hyperlegible-next-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Colors */
  --ink: #1b1e23;            /* text */
  --ink-2: #4b5360;          /* secondary text */
  --accent: #2343a8;         /* primary action */
  --accent-dark: #1b3482;    /* hover and focus */
  --surface: #f4f5f7;        /* neutral surface */
  --proof: #eef3ff;          /* pale-blue proof surface (examples, free sample) */
  --paper: #ffffff;
  --rule: #dde1e6;
  --field-border: #7a828f;   /* 3:1+ against white, for input outlines */
  --error: #b42318;

  --font: "Atkinson Hyperlegible Next", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --wrap: 70rem;             /* 1120px content width */
  --gutter: 1.25rem;         /* 20px on phones */
  --band: clamp(4rem, 9vw, 6.5rem);
  --radius: 0.5rem;
  --radius-lg: 1rem;

  color-scheme: light;
}

@media (min-width: 48em) {
  :root {
    --gutter: 2rem;          /* 32px from 768px up */
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.125rem;       /* 18px */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, p, ul, ol, dl, dd, figure {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--proof);
}

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

a:hover {
  color: var(--accent-dark);
  text-decoration-thickness: 2px;
}

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

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

[id] {
  scroll-margin-top: 1rem;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--paper);
  border: 2px solid var(--accent-dark);
  border-radius: var(--radius);
  font-weight: 650;
}

.skip-link:focus {
  top: 0.75rem;
}

/* Type -------------------------------------------------------------- */

h1 {
  font-size: clamp(2.25rem, 1.45rem + 3.4vw, 3.75rem);
  font-weight: 760;
  line-height: 1.06;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.625rem);
  font-weight: 760;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
}

.lede {
  max-width: 34em;
  margin-top: 1.25rem;
  font-size: clamp(1.125rem, 1.05rem + 0.4vw, 1.3125rem);
  line-height: 1.5;
  color: var(--ink-2);
}

.section-lede {
  max-width: 30em;
  margin-top: 0.75rem;
  font-size: clamp(1.125rem, 1.08rem + 0.25vw, 1.25rem);
  color: var(--ink-2);
}

/* Buttons and links ------------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;          /* 48px */
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease;
}

.button:hover {
  background: var(--accent-dark);
  color: #fff;
}

.button:active {
  transform: translateY(1px);
}

.button[disabled] {
  background: var(--accent-dark);
  cursor: progress;
  opacity: 0.75;
  transform: none;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  font-weight: 650;
}

/* 1. Header --------------------------------------------------------- */

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 0.75rem;
}

.wordmark {
  font-size: 1.25rem;
  font-weight: 760;
  letter-spacing: -0.01em;
  line-height: 1;
}

.header-link {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  font-size: 1rem;
  font-weight: 650;
}

/* 2. Hero ----------------------------------------------------------- */

.hero {
  padding-top: clamp(2rem, 6vw, 4.5rem);
  padding-bottom: var(--band);
}

.hero-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 64em) {
  .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(3rem, 5vw, 5rem);
    align-items: center;
  }
}

.eyebrow {
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.4;
  color: var(--accent);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.75rem;
  margin-top: 2rem;
}

.helper {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: var(--ink-2);
}

.preview {
  padding: clamp(1rem, 3vw, 1.75rem);
  background: var(--proof);
  border-radius: var(--radius-lg);
}

.tag,
.fiction-note {
  font-size: 0.9375rem;
  font-weight: 650;
  line-height: 1.4;
  color: var(--accent-dark);
}

.tag {
  margin-bottom: 0.875rem;
}

/* Email-style examples (hero preview and full example) -------------- */

.email {
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 0.875rem;
  box-shadow: 0 1px 2px rgb(27 30 35 / 0.05), 0 16px 36px -24px rgb(27 30 35 / 0.25);
}

.email-head {
  display: grid;
  gap: 0.25rem;
  padding: 0.875rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  font-size: 0.9375rem;
}

.email-head > div {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 0.5rem;
}

.email-head dt {
  color: var(--ink-2);
}

.email-head .subject {
  font-weight: 650;
}

.email-body {
  padding: 1.25rem 1.25rem 1.5rem;
}

@media (min-width: 30em) {
  .email-head,
  .email-body {
    padding-inline: 1.5rem;
  }
}

.area {
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.list-title {
  margin-top: 1.5rem;
  font-size: 1rem;
}

.count {
  display: inline-block;
  min-width: 1.5rem;
  margin-left: 0.35rem;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  background: var(--proof);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
  text-align: center;
  vertical-align: 0.08em;
  font-variant-numeric: tabular-nums;
}

.rows {
  margin-top: 0.5rem;
}

.rows li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 1rem;
  padding-block: 0.7rem;
  border-top: 1px solid var(--rule);
  font-size: 1rem;
  line-height: 1.4;
}

.rows--compact {
  margin: 0;
  padding: 0.25rem 1.25rem 0.5rem;
}

@media (min-width: 30em) {
  .rows--compact {
    padding-inline: 1.5rem;
  }
}

.rows--compact li {
  padding-block: 0.875rem;
}

.rows--compact li:first-child {
  border-top: 0;
}

.kind {
  grid-column: 1 / -1;
  margin-bottom: 0.2rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
}

.place b {
  font-weight: 700;
}

.dist {
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.when {
  grid-column: 1 / -1;
  margin-top: 0.125rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* Bands ------------------------------------------------------------- */

.band {
  padding-block: var(--band);
}

.band--surface {
  background: var(--surface);
}

.band--tight {
  padding-top: 0;
}

.band--after-panel {
  padding-top: 0;
}

/* 3. Full example --------------------------------------------------- */

.split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 64em) {
  .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(3rem, 6vw, 5.5rem);
    align-items: start;
  }
}

.facts {
  margin-top: 1.75rem;
  border-top: 1px solid var(--rule);
}

.facts li {
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--rule);
}

.fiction-note {
  max-width: 38em;
  margin-bottom: 0.875rem;
}

.after-example {
  margin-top: 1rem;
}

/* 4. How it works --------------------------------------------------- */

.steps {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  counter-reset: step;
}

@media (min-width: 48em) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
}

.steps li {
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 0.5rem;
  font-size: 2rem;
  font-weight: 760;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.steps p {
  font-size: clamp(1.125rem, 1.08rem + 0.25vw, 1.25rem);
  line-height: 1.45;
}

.no-software {
  max-width: 40em;
  margin-top: 2.5rem;
  color: var(--ink-2);
}

.no-software strong {
  color: var(--ink);
}

/* 5. Sample and pricing --------------------------------------------- */

.offer {
  display: grid;
  gap: 2rem;
  padding: clamp(1.75rem, 5vw, 3rem);
  background: var(--proof);
  border-radius: var(--radius-lg);
}

@media (min-width: 64em) {
  .offer {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
    align-items: start;
  }
}

.offer-main p {
  max-width: 34em;
  margin-block: 1rem 1.75rem;
  color: var(--ink-2);
}

.offer-side {
  padding-top: 1.75rem;
  border-top: 1px solid rgb(35 67 168 / 0.2);
}

@media (min-width: 64em) {
  .offer-side {
    padding-top: 0.5rem;
    padding-left: 3rem;
    border-top: 0;
    border-left: 1px solid rgb(35 67 168 / 0.2);
  }
}

.offer-side p {
  margin-top: 0.5rem;
  color: var(--ink-2);
}

/* 6. Trust and FAQs ------------------------------------------------- */

.about {
  display: grid;
  gap: 1.25rem;
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 64em) {
  .about {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(3rem, 6vw, 5.5rem);
  }
}

.about-points {
  display: grid;
  gap: 1rem;
  color: var(--ink-2);
}

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

.faq-heading {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--rule);
}

.faq {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 64em) {
  .faq {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.25rem 4rem;
  }
}

.faq-item p {
  max-width: 36em;
  margin-top: 0.375rem;
  color: var(--ink-2);
}

/* 7. Sample request form -------------------------------------------- */

.form-wrap {
  display: grid;
  gap: 2rem;
}

@media (min-width: 64em) {
  .form-wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(3rem, 6vw, 5.5rem);
    align-items: start;
  }
}

.form-intro p {
  max-width: 30em;
  margin-top: 1rem;
  color: var(--ink-2);
}

.form-card {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 0.875rem;
}

.form-note {
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.field {
  margin-bottom: 1.5rem;
}

.field label {
  display: block;
  margin-bottom: 0.375rem;
  font-weight: 650;
  line-height: 1.35;
}

.optional {
  font-weight: 400;
  color: var(--ink-2);
}

.field-hint {
  margin: -0.125rem 0 0.5rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.field input {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--field-border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 1.125rem;       /* 16px+ so phones don't zoom */
  line-height: 1.4;
}

.field input:hover {
  border-color: var(--ink-2);
}

.field input:focus-visible {
  border-color: var(--accent-dark);
  outline: 3px solid var(--accent-dark);
  outline-offset: 1px;
}

.field input[aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: inset 0 0 0 1px var(--error);
}

.field-error {
  margin-top: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--error);
}

.button--submit {
  width: 100%;
  min-height: 3.25rem;
  margin-top: 0.5rem;
}

.form-status {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.form-status:empty {
  display: none;
}

.submit-hint {
  margin-top: 0.625rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.mail-note {
  margin-top: 1.25rem;
  padding: 0.875rem 1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0.25rem;
  background: var(--proof);
  font-size: 1rem;
}

.mail-note:empty {
  display: none;
}

.mail-note a {
  font-weight: 650;
  overflow-wrap: anywhere;
}


/* 8. Footer --------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 2rem 2.5rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* Motion ------------------------------------------------------------ */

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

/* 404 page: wordmark links home */
.wordmark-link {
  color: inherit;
  text-decoration: none;
}