/* About The Kench Method — Barbell Empowered design system v1.0 */

:root {
  --green: #06bd66;
  --green-hover: #059952;
  --charcoal: #1a1a1a;
  --charcoal-mid: #2d2d2d;
  --shell: #f4f4f4;
  --border: #d1d1d1;
  --border-dark: #2d2d2d;
  --muted: #888888;
  --muted-dark: #666666;
  --body-text: #333333;
  --white: #ffffff;
  --font-brand: "Bebas Neue", "Arial Narrow", sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Cormorant Garamond", Georgia, serif;
  --font-mono: "Space Mono", "Courier New", monospace;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 100px;
  --space-2xl: 140px;
  --max-w: 1200px;
  --max-w-content: 800px;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0 !important;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--body-text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

cite {
  font-style: italic;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--charcoal);
  color: var(--white);
  padding: var(--space-sm);
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  text-decoration: none;
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

.container {
  width: min(var(--max-w), calc(100% - 48px));
  margin-inline: auto;
}

.container.narrow {
  width: min(var(--max-w-content), calc(100% - 48px));
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: cover;
}

.logo-text {
  display: none;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-family: var(--font-brand);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--charcoal);
}

.logo-text span {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--green);
}

@media (min-width: 560px) {
  .logo-text {
    display: flex;
  }
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-md);
}

.nav a {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--muted);
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 10px 18px !important;
  background: var(--green);
  color: var(--white) !important;
  font-family: var(--font-brand) !important;
  font-size: 16px !important;
  letter-spacing: 0.1em !important;
}

.nav-cta:hover {
  background: var(--green-hover) !important;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--charcoal);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) 24px var(--space-md);
  border-bottom: 1px solid var(--border);
}

.mobile-nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--body-text);
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* Type */

.section-label {
  margin: 0 0 var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.section-label::after {
  content: "";
  width: 50px;
  height: 1px;
  background: var(--border);
}

.section-label.light {
  color: var(--muted-dark);
}

.section-label.light::after {
  background: var(--border-dark);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  color: var(--charcoal);
  margin: 0 0 var(--space-md);
}

.section-title em {
  font-style: italic;
}

.section-title.light {
  color: var(--white);
}

.prose,
.lede {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--body-text);
  margin: 0 0 var(--space-sm);
  max-width: var(--max-w-content);
}

.lede.light {
  color: rgba(255, 255, 255, 0.88);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  border: 1px solid transparent;
  font-family: var(--font-brand);
  font-size: 18px;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
    color var(--transition);
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--charcoal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.btn-ghost:hover {
  border-color: var(--charcoal);
}

.btn-ghost-on-dark {
  background: transparent;
  border-color: var(--border-dark);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.btn-ghost-on-dark:hover {
  border-color: var(--white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Sections */

.section {
  padding: var(--space-xl) 0;
}

@media (min-width: 900px) {
  .section {
    padding: var(--space-2xl) 0;
  }
}

.section-shell {
  background: var(--shell);
}

.section-charcoal {
  background: var(--charcoal);
  color: var(--white);
}

/* Hero */

.hero {
  background: var(--charcoal);
  color: var(--white);
  padding: var(--space-xl) 0;
}

@media (min-width: 900px) {
  .hero {
    padding: var(--space-2xl) 0;
  }
}

.hero-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero-eyebrow {
  margin: 0 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--green);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 var(--space-md);
  color: var(--white);
}

.hero h1 em {
  font-style: italic;
  color: var(--green);
}

.hero-cover {
  width: min(240px, 70%);
  border: 1px solid var(--border-dark);
  filter: grayscale(10%) contrast(1.05);
  justify-self: start;
}

@media (min-width: 960px) {
  .hero-cover {
    justify-self: end;
  }
}

/* Compare grid */

.compare-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: var(--space-md);
}

@media (min-width: 700px) {
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.compare-card {
  background: var(--white);
  padding: var(--space-md);
}

.compare-card h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--green);
}

.compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-sm);
}

.compare-card li {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--body-text);
  padding-left: 16px;
  position: relative;
}

.compare-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 2px;
  background: var(--green);
}

.compare-card.is-not li::before {
  background: var(--charcoal);
}

/* Pull / callout */

.pullquote {
  margin: var(--space-md) 0 0;
  padding: var(--space-md);
  background: var(--shell);
  border: none;
}

.pullquote p {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.3;
  color: var(--charcoal);
}

.callout {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--charcoal);
  border-left: 4px solid var(--green);
}

.callout-label {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--green);
}

.callout p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
}

/* Concept cards */

.concept-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (min-width: 720px) {
  .concept-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.concept {
  background: var(--white);
  padding: var(--space-md);
}

.concept-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--green);
  margin-bottom: var(--space-sm);
}

.concept h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--charcoal);
}

.concept p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--body-text);
}

/* Protocol table */

.protocol {
  border: 1px solid var(--border);
  margin-top: var(--space-md);
}

.protocol-row {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
}

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

@media (min-width: 640px) {
  .protocol-row {
    grid-template-columns: 140px 1fr;
    align-items: start;
  }
}

.protocol-row strong {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--green);
}

.protocol-row p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--body-text);
}

/* Checklist */

.check-grid {
  display: grid;
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: var(--space-md);
}

@media (min-width: 700px) {
  .check-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.check-item {
  background: var(--charcoal);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(255, 255, 255, 0.88);
  position: relative;
  padding-left: 40px;
}

.check-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 1.1em;
  width: 10px;
  height: 2px;
  background: var(--green);
}

/* CTA band */

.cta-band {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--border);
  background: var(--white);
}

@media (min-width: 800px) {
  .cta-band {
    grid-template-columns: 1fr 1fr;
  }
}

.cta-card h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
}

.cta-card p {
  margin: 0 0 var(--space-md);
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--body-text);
}

.disclaimer {
  margin: var(--space-md) 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  max-width: 40rem;
}

/* Footer */

.site-footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.75);
  padding: var(--space-lg) 0;
}

.footer-inner {
  display: grid;
  gap: var(--space-md);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-brand img {
  width: 48px;
  height: 48px;
  object-fit: cover;
}

.footer-inner strong {
  display: block;
  font-family: var(--font-brand);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--white);
  font-weight: 400;
}

.footer-inner p {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted-dark);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--white);
  text-decoration: none;
}

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

.footer-copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted-dark);
  border-top: 1px solid var(--border-dark);
  padding-top: var(--space-md);
}

@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: end;
  }
  .footer-copy {
    grid-column: 1 / -1;
  }
}