/* Kodaiastudio — PayBridge landing */

:root {
  --color-bg: #f6f7f7;
  --color-surface: #ffffff;
  --color-text: #1d2327;
  --color-text-muted: #50575e;
  --color-primary: #135e96;
  --color-primary-hover: #0d4a75;
  --color-accent: #2271b1;
  --color-accent-soft: #e8f2fa;
  --color-border: #dcdcde;
  --color-ok: #166534;
  --color-ok-bg: #f0fdf4;
  --color-amber: #b45309;
  --color-amber-bg: #fffbeb;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(19, 94, 150, 0.1);
  --container: min(1120px, 100% - 2rem);
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-accent);
}

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

code {
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background: var(--color-border);
  border-radius: 4px;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.container--narrow {
  max-width: 42rem;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a:not(.btn) {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.site-nav a:not(.btn):hover {
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

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

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

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

.btn--soon {
  background: var(--color-border);
  color: var(--color-text-muted);
  cursor: default;
  border-color: transparent;
}

.btn--on-dark.btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--on-dark.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.hero {
  padding: 3.5rem 0 4rem;
  background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr 260px;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-primary);
}

.hero__lead {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 36rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero__note {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero-badge {
  display: grid;
  gap: 0.75rem;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.hero-badge__icon {
  font-size: 2.5rem;
  line-height: 1;
}

.hero-badge p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.section {
  padding: 3.5rem 0;
}

.section--alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  color: var(--color-primary);
}

.section__intro {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--color-text-muted);
}

.section__outro {
  margin: 2rem 0 0;
  max-width: 40rem;
}

.bullet-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .bullet-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bullet-grid li {
  padding: 1.25rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.bullet-grid strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.bullet-grid span {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.steps li {
  padding: 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
}

.steps strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.steps span {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.trust-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.trust-card {
  padding: 1.25rem;
  background: var(--color-ok-bg);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
}

.trust-card--info {
  background: var(--color-accent-soft);
  border-color: #b8d4ec;
}

.trust-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--color-primary);
}

.trust-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.35rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow 0.15s;
}

.card:hover {
  box-shadow: var(--shadow);
}

.card__icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.limits {
  padding: 1.25rem 1.5rem;
  background: var(--color-amber-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-amber);
}

.limits__title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--color-amber);
}

.limits ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.limits li + li {
  margin-top: 0.35rem;
}

.prereq-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.prereq-list li + li {
  margin-top: 0.5rem;
}

.audience-list {
  margin: 0 0 2rem;
  padding-left: 1.25rem;
  font-size: 1.0625rem;
}

.audience-list li + li {
  margin-top: 0.5rem;
}

.trust {
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.trust p {
  margin: 0;
}

.pricing-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-card {
  padding: 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.pricing-card--featured {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.pricing-card h3 {
  margin: 0 0 0.35rem;
  color: var(--color-primary);
}

.pricing-card__price {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.pricing-card ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.pricing-card li + li {
  margin-top: 0.35rem;
}

.screenshot-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .screenshot-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.screenshot-placeholder {
  margin: 0;
}

.screenshot-placeholder__frame {
  display: grid;
  place-items: center;
  min-height: 180px;
  background: linear-gradient(135deg, var(--color-border) 0%, #c3c4c7 100%);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: center;
  padding: 1rem;
}

.screenshot-placeholder figcaption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

.faq {
  margin: 0;
}

.faq__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  padding-top: 0;
}

.faq dt {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.faq dd {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.cta-final {
  padding: 3.5rem 0;
  background: var(--color-primary);
  color: #fff;
}

.cta-final h2 {
  margin: 0 0 0.75rem;
  color: #fff;
}

.cta-final p {
  margin: 0 0 1.5rem;
  opacity: 0.9;
  max-width: 32rem;
}

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

.site-footer {
  padding: 2rem 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-footer p {
  margin: 0;
}

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

.site-footer a:hover {
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .site-nav a:not(.btn) {
    display: none;
  }
}