/* Paid Once Software — site styles. No build step, no framework. */

:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --surface-2: #f2f2ec;
  --ink: #15171a;
  --ink-2: #4a4f57;
  --ink-3: #6b7079;
  --line: #e3e3dc;
  --accent: #1f7a4d;
  --accent-ink: #ffffff;
  --accent-soft: #e5f1ea;
  --accent-strong: #145c39;
  --warn-soft: #fff4e0;
  --warn-ink: #8a5300;
  --danger: #b42318;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20, 23, 26, 0.05), 0 4px 16px rgba(20, 23, 26, 0.05);
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111315;
    --surface: #181b1e;
    --surface-2: #1f2327;
    --ink: #eef0f2;
    --ink-2: #b9bec5;
    --ink-3: #8e949c;
    --line: #2b3035;
    --accent: #3fb57a;
    --accent-ink: #0b1a12;
    --accent-soft: #16291f;
    --accent-strong: #62cc95;
    --warn-soft: #2e2413;
    --warn-ink: #f0c078;
    --danger: #f97066;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

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

[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-strong);
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.3rem, 5.5vw, 3.9rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 750;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.narrow {
  max-width: 760px;
}

.muted {
  color: var(--ink-2);
}

.small {
  font-size: 0.875rem;
}

.center {
  text-align: center;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 100;
  background: var(--surface);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
  white-space: nowrap;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--surface-2);
}

@media (max-width: 640px) {
  .nav .hide-sm {
    display: none;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--ink-3);
}

.btn-sm {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.92rem;
}

.btn-block {
  width: 100%;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

/* ---------- Sections ---------- */

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 12px;
}

.hero {
  padding: 88px 0 72px;
}

.hero p.lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--ink-2);
  max-width: 640px;
  margin-bottom: 28px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Grids & cards ---------- */

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-card p {
  color: var(--ink-2);
  flex: 1;
  margin: 0;
}

.product-card .card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

.product-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.icon-box svg {
  width: 22px;
  height: 22px;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.badge-live {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: transparent;
}

.price {
  font-weight: 800;
  font-size: 1.05rem;
}

/* comparison */
.compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.compare .card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

ul.checks,
ul.crosses {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

ul.checks li,
ul.crosses li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

ul.checks li::before,
ul.crosses li::before {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 800;
  margin-top: 2px;
}

ul.checks li::before {
  content: "✓";
  background: var(--accent-soft);
  color: var(--accent-strong);
}

ul.crosses li::before {
  content: "✕";
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
}

/* steps */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  counter-increment: step;
  display: flex;
  gap: 14px;
}

.steps li::before {
  content: counter(step);
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.steps h3 {
  margin-bottom: 4px;
}

.steps p {
  margin: 0;
  color: var(--ink-2);
}

/* pricing */
.pricing-card {
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
}

.pricing-card .amount {
  font-size: 3.4rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 12px 0 4px;
}

.pricing-card ul.checks {
  text-align: left;
  margin: 24px 0;
}

/* FAQ */
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.faq details + details {
  margin-top: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

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

.faq summary::after {
  content: "+";
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--ink-3);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 12px 0 0;
  color: var(--ink-2);
}

/* ---------- Forms ---------- */

.form {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

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

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

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

.form-status {
  font-size: 0.95rem;
  margin: 0;
}

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

.form-success {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--accent-soft);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}

.notice {
  background: var(--warn-soft);
  color: var(--warn-ink);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
}

/* ---------- Legal / prose ---------- */

.prose {
  max-width: 760px;
}

.prose h2 {
  font-size: 1.35rem;
  margin-top: 2.2em;
}

.prose h3 {
  margin-top: 1.6em;
}

.prose ul {
  padding-left: 1.3em;
}

.prose li {
  margin-bottom: 0.4em;
}

.prose .meta {
  color: var(--ink-3);
  font-size: 0.95rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1em 0 1.5em;
  display: block;
  overflow-x: auto;
}

.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px 10px 0;
}

.prose th {
  font-weight: 700;
}

.page-head {
  padding: 64px 0 8px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 40px;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
}

.site-footer h4 {
  color: var(--ink);
  font-size: 0.9rem;
  margin: 0 0 10px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}

.site-footer a {
  color: var(--ink-2);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.link-button {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--ink-2);
  cursor: pointer;
}

.link-button:hover {
  color: var(--ink);
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ink-3);
}

/* ---------- Cookie banner ---------- */

.consent {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  max-width: 560px;
  margin-left: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
  padding: 18px 20px;
  font-size: 0.93rem;
}

.consent[hidden] {
  display: none;
}

.consent p {
  margin: 0 0 12px;
  color: var(--ink-2);
}

.consent .btn-row {
  gap: 8px;
}

@media (max-width: 480px) {
  .section {
    padding: 60px 0;
  }
  .hero {
    padding: 56px 0 48px;
  }
  .btn-row .btn {
    width: 100%;
  }
  .card {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}