/* ============================================================
   Platilus.com — Design System CSS
   Version: 1.0 | 2026-02-17
   ============================================================ */

/* ── Logo font ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }

/* ── Utility: Screen reader only ── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Focus states (WCAG AA) ── */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline-offset: 4px;
  border-radius: var(--radius-full);
}

.signup-input:focus-visible {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(192, 120, 92, 0.15);
}

/* ── CSS Custom Properties ── */
:root {
  /* Backgrounds */
  --bg-primary:    #F8F6F1;
  --bg-secondary:  #F2EFEA;
  --bg-tertiary:   #EBE8E2;
  --bg-white:      #FEFDFB;

  /* Text */
  --text-primary:   #1A1A1A;
  --text-secondary: #5C5C5C;
  --text-tertiary:  #8C8C8C;
  --text-inverse:   #FFFFFF;

  /* Accent */
  --accent-primary:       #C0785C;
  --accent-primary-hover: #A86648;
  --accent-secondary:     #3D7B6F;

  /* Borders */
  --border-light:  #E5E2DC;
  --border-medium: #D0CCC4;

  /* Semantic */
  --success: #3D7B6F;
  --warning: #C4933F;
  --error:   #B85450;
  --info:    #5B7FA5;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,.06);
  --shadow-lg:   0 8px 24px rgba(0,0,0,.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Typography */
  --font-logo:    'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Containers */
  --container-max:    1200px;
  --container-narrow: 800px;
  --container-wide:   1400px;
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
.text-hero {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.text-h1 {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  color: var(--text-primary);
}

.text-h2 {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.text-h3 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.text-body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
}

.text-body-lg {
  font-family: var(--font-body);
  font-size: 1.1875rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

.text-small {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-tertiary);
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-2xl); }
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(248, 246, 241, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-2xl);
}

.nav__logo {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav__link:hover { color: var(--text-primary); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-sm);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Hamburger → X when open */
.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-lg) var(--space-xl);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 99;
}

.nav__mobile.is-open { display: flex; }

.nav__mobile-link {
  font-size: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-sm) 0;
}

@media (max-width: 767px) {
  .nav { padding: 0 var(--space-lg); }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background: var(--text-primary);
  color: var(--text-inverse);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: #333333;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--text-tertiary);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }

/* ── Card ── */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.badge--accent {
  background: rgba(192, 120, 92, 0.12);
  color: var(--accent-primary);
}

/* ── Signup Form ── */
.signup-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 480px;
  flex-wrap: wrap;
}

.signup-input {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  background: var(--bg-white);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.signup-input:focus { border-color: var(--accent-primary); }
.signup-input::placeholder { color: var(--text-tertiary); }

.signup-success {
  display: none;
  color: var(--success);
  font-size: 0.9375rem;
  margin-top: var(--space-sm);
}

.signup-error {
  display: none;
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-sm);
}

/* ── Sections ── */
.section { padding: var(--space-4xl) 0; }
.section--alt { background: var(--bg-secondary); }

@media (max-width: 767px) {
  .section { padding: var(--space-2xl) 0; }
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header p {
  margin-top: var(--space-md);
  font-size: 1.1875rem;
  color: var(--text-secondary);
}

/* ── Hero ── */
.hero {
  padding: calc(var(--space-5xl) + 64px) 0 var(--space-5xl);
  text-align: center;
}

@media (max-width: 1024px) {
  .hero { padding: calc(var(--space-4xl) + 64px) 0 var(--space-4xl); }
}

@media (max-width: 767px) {
  .hero { padding: calc(var(--space-2xl) + 64px) 0 var(--space-2xl); }
}

.hero__badge { margin-bottom: var(--space-xl); }

.hero__headline {
  margin-bottom: var(--space-xl);
}

.hero__sub {
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.1875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero__form-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.hero__note {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ── Stats Strip ── */
.stats-strip {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0;
}

.stats-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stats-strip__number {
  font-family: var(--font-body);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.stats-strip__label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

.stats-strip__footnote {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

@media (max-width: 767px) {
  .stats-strip__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* ── Pain Cards ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.pain-card__title { margin-bottom: var(--space-sm); }
.pain-card__text { margin-bottom: var(--space-md); line-height: 1.6; }
.pain-card__quote {
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-tertiary);
  border-left: 3px solid var(--accent-primary);
  padding-left: var(--space-md);
  margin-top: var(--space-sm);
}

/* ── How It Works ── */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  position: relative;
}

.how-step__number {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(192, 120, 92, 0.1);
  color: var(--accent-primary);
  border-radius: 50%;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.how-step__title { margin-bottom: var(--space-sm); }
.how-step__desc { font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 767px) {
  .how-grid { grid-template-columns: 1fr; }
}

/* ── Terminal ── */
.terminal-wrap {
  max-width: 700px;
  margin: 0 auto;
}

.terminal {
  background: #1A1A1A;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #E0E0E0;
  overflow-x: auto;
  box-shadow: var(--shadow-lg);
}

.terminal__header {
  display: flex;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal__dot--red    { background: #FF5F57; }
.terminal__dot--yellow { background: #FFBD2E; }
.terminal__dot--green  { background: #28CA41; }

.t-accent  { color: #C0785C; }
.t-success { color: #5CB589; }
.t-warning { color: #E5C07B; }
.t-error   { color: #E06C75; }
.t-muted   { color: #666; }
.t-dim     { color: #888; }

/* ── Who It's For ── */
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.who-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
}

.who-card__title { margin-bottom: var(--space-sm); }
.who-card__desc { font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 767px) {
  .who-grid { grid-template-columns: 1fr; }
}

/* ── Research Preview / Blog Cards ── */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.article-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.article-card__badge { margin-bottom: var(--space-xs); }
.article-card__title { font-size: 1.125rem; font-weight: 600; color: var(--text-primary); line-height: 1.4; }
.article-card__desc  { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.55; flex: 1; }
.article-card__meta  { font-size: 0.8125rem; color: var(--text-tertiary); display: flex; align-items: center; gap: var(--space-sm); }
.article-card__cta   { font-size: 0.9375rem; color: var(--accent-primary); font-weight: 500; }

/* ── Final CTA Section ── */
.cta-section {
  background: var(--bg-secondary);
  padding: var(--space-5xl) 0;
  text-align: center;
}

.cta-section__title { margin-bottom: var(--space-xl); }
.cta-section__form-wrap { display: flex; justify-content: center; margin-bottom: var(--space-sm); }
.cta-section__note { font-size: 0.875rem; color: var(--text-tertiary); }

/* ── Footer ── */
.footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover { color: #FFFFFF; }

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand p {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.5);
  max-width: 260px;
  line-height: 1.6;
}

.footer__col-title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-md);
}

.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-sm); }
.footer__col li a { font-size: 0.9375rem; }

.footer__logo {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FFFFFF;
  text-decoration: none;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  color: rgba(255,255,255,0.35);
  font-size: 0.875rem;
}

@media (max-width: 767px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

/* ── Cookie Banner ── */
.cookie-banner {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 560px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg) var(--space-xl);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  z-index: 200;
  flex-wrap: wrap;
}

.cookie-banner p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.cookie-banner a { color: var(--accent-primary); text-decoration: underline; }

.cookie-banner__actions { display: flex; gap: var(--space-sm); flex-shrink: 0; }

/* ── Reading Progress ── */
#reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent-primary);
  z-index: 101;
  transition: width 100ms linear;
}

/* ── Article Layout ── */
.article-page { padding-top: 64px; }

.article-breadcrumb {
  padding: var(--space-md) 0;
}

.article-header {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.article-date, .article-read-time {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.article-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 760px;
  margin: 0 auto var(--space-lg);
}

.article-subtitle {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

.article-divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: var(--space-lg) 0 0;
}

.article-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-4xl);
}

.article-content h2 {
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 2.5em 0 0.5em;
}

.article-content h2:first-child {
  margin-top: var(--space-md);
}

.article-content h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2em 0 0.5em;
}

.article-content p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5em;
}

.article-content ul, .article-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.article-content li {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.5em;
}

.article-content a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content strong { color: var(--text-primary); font-weight: 600; }
.article-content em { font-style: italic; }

/* Answer capsule — for LLM crawlers */
.answer-capsule {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5em;
  font-style: normal;
}

/* Blockquote */
.article-content blockquote {
  border-left: 3px solid var(--accent-primary);
  padding-left: var(--space-lg);
  margin: 1.5em 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* Data card */
.data-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  margin: 1.5em 0;
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.data-row:last-child { border-bottom: none; }

.data-label {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
}

.data-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: right;
}

/* Article CTA */
.article-cta {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
}

.article-cta h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.article-cta p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.cta-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-input {
  flex: 1;
  min-width: 180px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  background: var(--bg-white);
  color: var(--text-primary);
  outline: none;
}

.cta-input:focus { border-color: var(--accent-primary); }

.cta-btn {
  padding: 0.75rem 1.5rem;
  background: var(--text-primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.cta-btn:hover { background: #333333; }

.cta-success {
  display: none;
  margin-top: var(--space-md);
  color: var(--success);
  font-weight: 500;
}

/* Article footnotes */
.article-footnotes {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.article-footnotes h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: var(--space-sm);
}

.article-footnotes p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* ── Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 100ms; }
.reveal:nth-child(3) { transition-delay: 200ms; }

/* ── Static pages (privacy, terms) ── */
.static-page {
  padding: calc(var(--space-4xl) + 64px) 0 var(--space-5xl);
}

.static-page h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.static-page .meta {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3xl);
}

.static-page h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2.5em 0 0.75em;
}

.static-page p, .static-page li {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1em;
}

.static-page h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.75em 0 0.5em;
}

.static-page ul { padding-left: 1.5em; margin-bottom: 1.5em; }
.static-page a { color: var(--accent-primary); text-decoration: underline; }

.static-page .table-wrap {
  margin: var(--space-lg) 0 var(--space-xl);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 960px) {
  .static-page .table-wrap {
    margin-left: -140px;
    margin-right: -140px;
    width: calc(100% + 280px);
  }
}

@media (min-width: 768px) and (max-width: 959px) {
  .static-page .table-wrap {
    margin-left: -40px;
    margin-right: -40px;
    width: calc(100% + 80px);
  }
}

.static-page table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.static-page th {
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: var(--bg-secondary);
  padding: 0.625rem var(--space-md);
  border-bottom: 1px solid var(--border-medium);
  white-space: nowrap;
}

.static-page td {
  color: var(--text-secondary);
  padding: 0.625rem var(--space-md);
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  line-height: 1.5;
}

.static-page tr:last-child td { border-bottom: none; }
.static-page tr:nth-child(even) td { background: var(--bg-primary); }

/* ── About Page ── */
.about-hero {
  padding: calc(var(--space-5xl) + 64px) 0 var(--space-4xl);
  text-align: center;
}

.about-hero .text-hero {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.about-hero p {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 767px) {
  .two-col-grid { grid-template-columns: 1fr; }
}

.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 767px) {
  .three-col-grid { grid-template-columns: 1fr; }
}

.company-info {
  max-width: 480px;
}

.company-info dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-sm) var(--space-lg);
}

.company-info dt {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.company-info dd {
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.company-info dd a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Trust Page ── */
.trust-hero {
  padding: calc(var(--space-5xl) + 64px) 0 var(--space-4xl);
  background: var(--bg-secondary);
  text-align: center;
}

.trust-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.trust-hero p {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

.byok-diagram {
  background: #1A1A1A;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.9;
  color: #E0E0E0;
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.byok-diagram .byok-accent { color: #C0785C; }
.byok-diagram .byok-muted { color: #888; }
.byok-diagram .byok-success { color: #5CB589; }

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 767px) {
  .principles-grid { grid-template-columns: 1fr; }
}

.principle-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.principle-card__check {
  color: var(--success);
  font-weight: 700;
  font-size: 1.125rem;
  margin-right: var(--space-xs);
}

.principle-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.principle-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.infra-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
}

.infra-table th {
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--border-light);
}

.infra-table td {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.infra-table tr:last-child td { border-bottom: none; }

.trust-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.trust-links a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  font-size: 0.9375rem;
}

/* ── Active nav link ── */
.nav__link[aria-current="page"],
.nav__mobile-link[aria-current="page"] {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Spinner (Form UX) ── */
.spinner {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  margin-right: 6px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Form feedback animation ── */
.signup-success,
.signup-error {
  animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-tertiary);
  text-align: left;
  justify-content: flex-start;
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  text-align: left;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb span { color: var(--text-tertiary); text-align: left; }

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: var(--space-xl);
  transition: color var(--transition-fast);
}

.back-link:hover { color: var(--accent-primary); }

/* ── Tablet breakpoint (768–1024px) ── */
@media (min-width: 768px) and (max-width: 1024px) {
  .stats-strip__grid { grid-template-columns: repeat(3, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .who-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
}

/* ── Responsive table wrapper (base) ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

/* ── BYOK diagram: mobile scroll ── */
@media (max-width: 767px) {
  .byok-diagram { font-size: 0.6875rem; overflow-x: auto; display: block; }
}

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn-primary:hover,
  .card:hover,
  .article-card:hover {
    transform: none;
  }
  .spinner {
    animation: none;
  }
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Cookie Consent Banner ── */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-white);
  border-top: 1px solid var(--border-medium);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.07);
  transform: translateY(100%);
  transition: transform 300ms ease-out;
}

#cookie-banner.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.cookie-banner__text a {
  color: var(--accent-primary);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-banner__btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 150ms, border-color 150ms, color 150ms;
}

.cookie-banner__btn--decline {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
}

.cookie-banner__btn--decline:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.cookie-banner__btn--accept {
  background: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  color: #fff;
}

.cookie-banner__btn--accept:hover {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
}

@media (max-width: 768px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 16px;
  }

  .cookie-banner__actions {
    flex-direction: column;
  }

  .cookie-banner__btn {
    width: 100%;
    padding: 12px 20px;
    text-align: center;
  }
}

/* ── Print ── */
@media print {
  .nav, .footer, .cookie-banner, #reading-progress { display: none !important; }
  body { background: white; }
  .article-content { box-shadow: none; }
}