/* MerchantRun marketing site — mobile-first, accessible static CSS */

:root {
  --color-primary: #00796b;
  --color-primary-dark: #00695c;
  --color-primary-light: #4db6ac;
  --color-accent: #00897b;
  --color-surface: #ffffff;
  --color-bg: #f8fafb;
  --color-bg-alt: #eef2f6;
  --color-text: #1a2332;
  --color-text-muted: #5a6578;
  --color-border: #dde4ea;
  --color-footer: #0f172a;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 4px 20px rgba(26, 35, 50, 0.1);
  --shadow-lg: 0 12px 40px rgba(26, 35, 50, 0.12);
  --max-width: 1120px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-link img {
  height: 36px;
  width: auto;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 0.75rem 0.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

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

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .site-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .site-nav a {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
  }

  .header-cta {
    display: inline-flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

.btn-secondary:hover {
  background: rgba(0, 121, 107, 0.08);
  color: var(--color-primary-dark);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1.0625rem;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  background: linear-gradient(180deg, #e8f5f3 0%, var(--color-bg) 55%);
  overflow: hidden;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: rgba(0, 121, 107, 0.1);
  border-radius: 999px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 28rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.waitlist-form label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.waitlist-form .input-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.15);
}

.waitlist-form .form-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.waitlist-form .form-success {
  display: none;
  padding: 0.75rem 1rem;
  background: #e8f5e9;
  color: #2e7d32;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
}

.waitlist-form.is-success .form-fields {
  display: none;
}

.waitlist-form.is-success .form-success {
  display: block;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 640px) {
  .waitlist-form .input-row {
    flex-direction: row;
  }

  .waitlist-form .input-row .btn {
    white-space: nowrap;
  }
}

@media (min-width: 900px) {
  .hero {
    padding: 4.5rem 0 5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* Sections */
.section {
  padding: 4rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.625rem, 3.5vw, 2.125rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-header p {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
}

.step-card {
  padding: 1.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.2s;
}

.section-alt .step-card {
  background: var(--color-bg);
}

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

.step-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

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

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Trades grid */
.trades-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.trade-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.trade-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #e0f2f1;
  border-radius: var(--radius-sm);
  font-size: 1.375rem;
}

.trade-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

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

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

@media (min-width: 900px) {
  .trades-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Merchants */
.merchants-panel {
  padding: 2.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #1a3348 100%);
  border-radius: var(--radius-xl);
  color: #fff;
  text-align: center;
}

.merchants-panel h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 800;
}

.merchants-panel > p {
  margin: 0 auto 2rem;
  max-width: 32rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.0625rem;
}

.merchant-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.merchant-tag {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}

.merchants-note {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Features */
.features-grid {
  display: grid;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #e0f2f1;
  border-radius: 50%;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.feature-item h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 700;
}

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

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

/* CTA band */
.cta-band {
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.cta-card {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.cta-card h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
}

.cta-card > p {
  margin: 0 auto 1.75rem;
  max-width: 28rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: #1a2332;
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: default;
  user-select: none;
}

.app-store-badge svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.app-store-badge .badge-text {
  text-align: left;
  line-height: 1.3;
}

.app-store-badge .badge-text small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  opacity: 0.75;
}

.cta-card .waitlist-form {
  margin-inline: auto;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  background: var(--color-footer);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand img {
  height: 32px;
  margin-bottom: 0.75rem;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  margin: 0;
  max-width: 22rem;
  line-height: 1.55;
}

.footer-links h3 {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  display: inline-block;
  padding: 0.25rem 0;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Privacy page */
.page-header {
  padding: 3rem 0 2rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
}

.page-header p {
  margin: 0;
  color: var(--color-text-muted);
}

.legal-content {
  padding: 3rem 0 4rem;
  max-width: 42rem;
}

.legal-content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-content a {
  color: var(--color-primary);
}