:root {
  --paper: #f2f3f0;
  --ink: #14161a;
  --accent: #e64327;
  --accent-soft: #f07a5f;
  --text: #3d413d;
  --text-muted: #5c605c;
  --text-faint: #8a8e88;
  --line: #d3d5cf;
  --line-strong: #14161a;
  --dark-bg: #191d2b;
  --dark-line: #3a3f4d;
  --dark-text: #e7e8e4;
  --dark-text-muted: #b9bcb6;
  --max-width: 1240px;
  --gutter: 40px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3, p, ul, li, figure {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

::selection {
  background: var(--accent);
  color: #fff;
}

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

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

.serif {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
}

.mono {
  font-family: "JetBrains Mono", monospace;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(242, 243, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-strong);
}

.site-header .wrap {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 27px;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.logo-dot {
  width: 9px;
  height: 9px;
  background: var(--accent);
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--ink);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  border-bottom-color: var(--accent);
  color: var(--ink);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-toggle {
  display: flex;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.lang-toggle button {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 7px 11px;
  cursor: pointer;
}

.lang-toggle button + button {
  border-left: none;
}

.lang-toggle button.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-cta {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 11px 18px;
  border: none;
  cursor: pointer;
  display: inline-block;
}

.btn-cta:hover {
  background: var(--accent);
  color: #fff;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  padding: 8px 10px;
  cursor: pointer;
  color: var(--ink);
}

/* Section number / eyebrow */
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  gap: 14px;
  align-items: center;
}

.eyebrow-rule {
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.eyebrow-label {
  color: var(--text-muted);
}

.eyebrow.on-dark {
  color: var(--accent-soft);
}

.eyebrow.on-dark .eyebrow-rule {
  background: var(--accent-soft);
}

.eyebrow.on-dark .eyebrow-label {
  color: var(--dark-text-muted);
}

h1.display, h2.display {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

h1.display {
  font-size: clamp(40px, 6.2vw, 92px);
  line-height: 0.98;
}

h2.display {
  font-size: clamp(30px, 4vw, 62px);
  line-height: 1.03;
}

.italic-accent {
  font-style: italic;
  color: var(--accent);
}

section {
  border-bottom: 1px solid var(--line-strong);
}

/* HERO */
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
}

.hero-copy {
  padding: 88px 64px 72px 0;
  border-right: 1px solid var(--line);
}

.hero-copy h1 {
  margin-top: 34px;
}

.hero-copy p {
  max-width: 52ch;
  margin-top: 30px;
  font-size: 17px;
  line-height: 1.62;
  color: var(--text);
  text-wrap: pretty;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 26px;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--ink);
  color: #fff;
}

.btn-secondary {
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

.hero-panel {
  padding: 88px 0 72px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.panel-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.panel-row-label {
  font-size: 15px;
  line-height: 1.4;
}

.panel-row-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-review { color: var(--accent); }
.tag-done { color: var(--text-muted); }
.tag-new { color: var(--ink); }

.panel-footer {
  margin-top: 48px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  line-height: 2;
}

.panel-footer .faint {
  color: var(--text-faint);
}

/* PROBLEM */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
  padding: 80px 0;
}

.problem-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.problem-item:last-child {
  border-bottom: 1px solid var(--line);
}

.problem-numeral {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 34px;
  color: var(--accent);
  line-height: 1;
}

.problem-item p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  max-width: 62ch;
  text-wrap: pretty;
}

/* FEATURES */
.features-head {
  padding: 80px 0 0;
}

.features-head h2 {
  margin-top: 24px;
  max-width: 22ch;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-strong);
}

.feature-row + .feature-row {
  border-top: 1px solid var(--line-strong);
}

.feature-copy {
  padding: 44px 56px 56px 0;
  border-right: 1px solid var(--line);
}

.feature-row.reverse .feature-copy {
  order: 2;
  border-right: none;
  border-left: 1px solid var(--line);
  padding: 44px 56px 80px 56px;
}

.feature-row.reverse .feature-visual {
  order: 1;
  padding: 44px 56px 80px 0;
}

.feature-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.feature-copy h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 34px;
  line-height: 1.1;
  margin-top: 18px;
  letter-spacing: -0.01em;
}

.feature-copy > p {
  font-size: 16.5px;
  line-height: 1.62;
  color: var(--text);
  margin-top: 20px;
  max-width: 54ch;
  text-wrap: pretty;
}

.feature-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
}

.feature-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}

.feature-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-list li .plus {
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.feature-visual {
  padding: 44px 0 56px 56px;
}

.code-panel {
  background: var(--ink);
  color: var(--dark-text);
  padding: 32px 30px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 2.5;
}

.code-panel-outline {
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  padding: 32px 30px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 2.5;
}

.code-panel .ok { color: var(--accent); }
.code-panel .warn { color: #e6a127; }
.code-panel .muted { color: #9a9e98; }
.code-panel .highlight { color: var(--paper); }

.code-panel-outline .muted { color: var(--text-muted); }
.code-panel-outline .ok { color: var(--accent); }

/* INTEGRATIONS */
.integrations-head {
  padding: 80px 0 0;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid var(--line-strong);
}

.integration-item {
  padding: 32px 40px 80px 0;
  border-right: 1px solid var(--line);
}

.integration-item:last-child {
  border-right: none;
  padding-right: 0;
}

.integration-item:nth-child(2) {
  padding-left: 40px;
}

.integration-item:nth-child(3) {
  padding-left: 40px;
}

.integration-glyph {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 52px;
  line-height: 1;
  color: var(--accent);
}

.integration-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 20px;
  letter-spacing: -0.005em;
}

.integration-item p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  margin-top: 12px;
  text-wrap: pretty;
}

/* AUDIENCE (dark) */
.audience-section {
  background: var(--dark-bg);
  color: var(--dark-text);
  border-bottom: 1px solid var(--dark-line);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: start;
  padding: 88px 0;
}

.audience-lead h2 {
  margin-top: 24px;
}

.audience-lead p {
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--dark-text-muted);
  margin-top: 26px;
  max-width: 48ch;
  text-wrap: pretty;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pill-row span {
  border: 1px solid var(--dark-line);
  padding: 9px 13px;
  color: var(--dark-text-muted);
}

.audience-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  padding: 26px 0;
  border-top: 1px solid var(--dark-line);
}

.audience-item:last-child {
  border-bottom: 1px solid var(--dark-line);
}

.audience-item h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 27px;
  line-height: 1.2;
  width: 9ch;
}

.audience-item p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--dark-text-muted);
  text-wrap: pretty;
}

/* HOW IT WORKS */
.steps-head {
  padding: 80px 0 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid var(--line-strong);
}

.step-item {
  padding: 30px 40px 80px 0;
  border-right: 1px solid var(--line);
}

.step-item:last-child {
  border-right: none;
  padding-right: 0;
}

.step-item:nth-child(2),
.step-item:nth-child(3) {
  padding-left: 40px;
}

.step-numeral {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 76px;
  line-height: 0.9;
  color: var(--ink);
}

.step-item:last-child .step-numeral {
  color: var(--accent);
}

.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 22px;
}

.step-item p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  margin-top: 12px;
  text-wrap: pretty;
}

/* CONTACT */
.contact-section {
  border-bottom: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
  padding: 80px 0 96px;
}

.contact-copy h2 {
  margin-top: 24px;
  font-size: clamp(40px, 5.6vw, 80px);
  line-height: 1;
}

.contact-copy p {
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  margin-top: 24px;
  max-width: 44ch;
  text-wrap: pretty;
}

.contact-note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-top: 32px;
  max-width: 44ch;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-form {
  display: flex;
  flex-direction: column;
}

.form-field {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.contact-form > .form-field:first-of-type {
  border-top: 1px solid var(--line-strong);
}

.form-field label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: none;
  background: transparent;
  font-size: 16px;
  color: var(--ink);
  padding: 4px 0;
  outline: none;
  width: 100%;
}

.form-field textarea {
  resize: vertical;
  line-height: 1.55;
}

.form-field.message {
  border-bottom: 1px solid var(--line);
}

.form-consent {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  margin-top: 24px;
  align-items: start;
}

.form-consent input {
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.form-consent label {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

.form-submit {
  margin-top: 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 18px 26px;
  cursor: pointer;
  align-self: flex-start;
}

.form-submit:hover {
  background: var(--ink);
}

.form-status {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 14px;
  min-height: 18px;
}

.form-status.success { color: var(--accent); }
.form-status.error { color: #c0301c; }

.hp-field {
  display: none;
}

/* FOOTER */
.site-footer {
  background: var(--ink);
  color: #9a9e98;
}

.footer-grid {
  padding: 34px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.footer-links {
  display: flex;
  gap: 26px;
}

.footer-links a {
  color: #9a9e98;
}

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

/* LEGAL PAGES */
.legal-page {
  padding: 60px 0 100px;
  max-width: 780px;
  margin: 0 auto;
}

.legal-page h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(38px, 5vw, 58px);
  letter-spacing: -0.01em;
}

.legal-page > .wrap > p:first-of-type {
  margin-top: 16px;
  color: var(--text-muted);
}

.legal-page h2 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 27px;
  margin-top: 44px;
  letter-spacing: -0.005em;
}

.legal-page p, .legal-page li {
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.65;
  margin-top: 12px;
}

.legal-page .note {
  margin-top: 48px;
  font-size: 13px;
  color: var(--text-faint);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.back-link {
  display: inline-block;
  margin-bottom: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Language visibility */
[data-lang-content] {
  display: none;
}

[data-lang-content].active {
  display: inline;
}

p[data-lang-content].active,
div[data-lang-content].active,
h1[data-lang-content].active,
h2[data-lang-content].active {
  display: block;
}

/* RESPONSIVE */
@media (max-width: 980px) {
  :root {
    --gutter: 24px;
  }

  .hero-grid,
  .problem-grid,
  .feature-row,
  .feature-row.reverse .feature-copy,
  .feature-row.reverse .feature-visual,
  .integration-grid,
  .audience-grid,
  .steps-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 56px 0 40px;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .hero-panel {
    padding: 40px 0 56px;
  }

  .feature-copy,
  .feature-row.reverse .feature-copy {
    padding: 40px 0;
    border: none;
    border-top: 1px solid var(--line);
    order: 1;
  }

  .feature-visual,
  .feature-row.reverse .feature-visual {
    padding: 0 0 40px;
    order: 2;
  }

  .integration-item,
  .integration-item:nth-child(2),
  .integration-item:nth-child(3) {
    padding: 32px 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .step-item,
  .step-item:nth-child(2),
  .step-item:nth-child(3) {
    padding: 30px 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .audience-grid {
    padding: 56px 0;
    gap: 40px;
  }

  .contact-grid {
    padding: 56px 0;
    gap: 40px;
  }

  .nav-links {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .form-field {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .hero-cta,
  .hero-cta a {
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}