/* SkyMailr marketing — light-first SaaS; code panels stay dark for contrast */

:root,
html[data-mk-theme="light"] {
  --mk-bg: #f4f6f9;
  --mk-bg-elevated: #ffffff;
  --mk-border: #e2e8f0;
  --mk-border-subtle: #f1f5f9;
  --mk-text: #0f172a;
  --mk-text-muted: #475569;
  --mk-text-subtle: #64748b;
  --mk-accent: #2563eb;
  --mk-accent-hover: #1d4ed8;
  --mk-accent-soft: rgba(37, 99, 235, 0.08);
  --mk-nav-bg: rgba(255, 255, 255, 0.85);
  --mk-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  --mk-shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);
  --mk-announcement-bg: #f1f5f9;
  --mk-hero-bg: linear-gradient(180deg, #ffffff 0%, #f4f6f9 100%);
}

html[data-mk-theme="dark"] {
  --mk-bg: #0b0f14;
  --mk-bg-elevated: #141b24;
  --mk-border: #243044;
  --mk-border-subtle: #1a2332;
  --mk-text: #f1f5f9;
  --mk-text-muted: #94a3b8;
  --mk-text-subtle: #64748b;
  --mk-accent: #3b82f6;
  --mk-accent-hover: #60a5fa;
  --mk-accent-soft: rgba(59, 130, 246, 0.12);
  --mk-nav-bg: rgba(15, 20, 25, 0.88);
  --mk-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  --mk-shadow-md: 0 8px 32px rgba(0, 0, 0, 0.45);
  --mk-announcement-bg: #0f1419;
  --mk-hero-bg: linear-gradient(180deg, #141b24 0%, #0b0f14 100%);
}

.mk-page {
  font-family: "DM Sans", system-ui, sans-serif;
  background: var(--mk-bg);
  color: var(--mk-text);
  -webkit-font-smoothing: antialiased;
}

.mk-page pre,
.mk-page code,
.mk-page .font-mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.mk-wordmark {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--mk-text);
}

.sticky {
  position: sticky;
}
.top-0 {
  top: 0;
}
.z-50 {
  z-index: 50;
}

/* Sections */
.mk-section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  scroll-margin-top: 5rem;
}
@media (min-width: 768px) {
  .mk-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.mk-section--tight {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.mk-section--alt {
  background: var(--mk-bg-elevated);
  border-top: 1px solid var(--mk-border);
}
.mk-border-t {
  border-top: 1px solid var(--mk-border);
}

.mk-container {
  margin-left: auto;
  margin-right: auto;
  max-width: 72rem;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 1024px) {
  .mk-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.mk-container--narrow {
  max-width: 48rem;
}

/* Announcement */
.mk-announcement {
  border-bottom: 1px solid var(--mk-border);
  background: var(--mk-announcement-bg);
  color: var(--mk-text-muted);
  font-size: 0.8125rem;
}

/* Nav — 3-zone bar: brand | centered links | actions */
.mk-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--mk-border);
  background: var(--mk-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.mk-nav-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.mk-nav-brand {
  text-decoration: none;
  flex-shrink: 0;
}

.mk-nav-primary {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.25rem 1.75rem;
  min-width: 0;
}

.mk-nav-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.625rem;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .mk-nav-bar {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 0.625rem;
    column-gap: 0.75rem;
  }

  .mk-nav-brand {
    grid-column: 1;
    grid-row: 1;
  }

  .mk-nav-actions {
    grid-column: 2;
    grid-row: 1;
  }

  .mk-nav-primary {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    gap: 1rem;
    padding-bottom: 0.125rem;
    scrollbar-width: thin;
  }

  .mk-nav-primary .mk-nav-link {
    flex-shrink: 0;
  }
}

.mk-nav a:not(.mk-btn-primary) {
  color: var(--mk-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.mk-nav a:not(.mk-btn-primary):hover {
  color: var(--mk-text);
}

.mk-nav-link {
  font-size: 0.875rem;
  font-weight: 500;
}

.mk-nav-link--cta {
  padding: 0.25rem 0.125rem;
}

/* Hero */
.mk-hero {
  background: var(--mk-hero-bg);
  border-bottom: 1px solid var(--mk-border-subtle);
}

.mk-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mk-accent);
}

.mk-headline {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--mk-text);
}

.mk-subhead {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--mk-text-muted);
  max-width: 36rem;
}

/* Cards (light) */
.mk-card {
  background: var(--mk-bg-elevated);
  border: 1px solid var(--mk-border);
  border-radius: 0.75rem;
  box-shadow: var(--mk-shadow);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.mk-card:hover {
  box-shadow: var(--mk-shadow-md);
  border-color: #cbd5e1;
}
html[data-mk-theme="dark"] .mk-card:hover {
  border-color: #334155;
}

.mk-card-pad {
  padding: 1.5rem;
}

.mk-card-subtle {
  background: var(--mk-announcement-bg);
}

/* Hero product mockup — slightly stronger elevation */
.mk-card--hero-mockup {
  box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 12px 32px -8px rgba(15, 23, 42, 0.12);
}

/* Dark inset panels (mockups inside light page) */
.mk-panel-dark {
  background: #0f1419;
  border: 1px solid #1e293b;
  border-radius: 0.5rem;
  color: #cbd5e1;
  font-size: 0.75rem;
}
html[data-mk-theme="dark"] .mk-panel-dark {
  background: #0b0f14;
  border-color: #243044;
}

.mk-panel-dark-muted {
  color: #64748b;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Buttons */
.mk-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--mk-accent);
  color: #fff !important;
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.25;
  border-radius: 0.5rem;
  border: none;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
  transition: background 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none !important;
}
.mk-btn-primary:hover {
  background: var(--mk-accent-hover);
  filter: brightness(1.02);
}
.mk-btn-primary:focus-visible {
  outline: 2px solid var(--mk-accent);
  outline-offset: 2px;
}

.mk-btn--nav {
  min-height: 2.25rem;
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
}

.mk-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--mk-bg-elevated);
  color: var(--mk-text) !important;
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.25;
  border-radius: 0.5rem;
  border: 1px solid var(--mk-border);
  text-decoration: none !important;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.mk-btn-secondary:hover {
  border-color: #94a3b8;
  background: #f8fafc;
}
.mk-btn-secondary:focus-visible {
  outline: 2px solid var(--mk-accent);
  outline-offset: 2px;
}
html[data-mk-theme="dark"] .mk-btn-secondary:hover {
  background: #1a2332;
}

.mk-btn-ghost {
  font-size: 0.8125rem;
  color: var(--mk-text-subtle) !important;
  text-decoration: none !important;
}
.mk-btn-ghost:hover {
  color: var(--mk-text-muted) !important;
}

/* Proof strip */
.mk-proof-strip {
  border-bottom: 1px solid var(--mk-border);
  background: var(--mk-bg-elevated);
}
.mk-proof-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0;
  row-gap: 0.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.mk-proof-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--mk-text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  background: var(--mk-bg);
  border: 1px solid var(--mk-border-subtle);
}
.mk-proof-sep {
  color: var(--mk-border);
  font-size: 0.5rem;
  user-select: none;
  padding: 0 0.25rem;
}
@media (max-width: 639px) {
  .mk-proof-sep {
    display: none;
  }
}
@media (min-width: 640px) {
  .mk-proof-inner {
    gap: 0;
    row-gap: 0.5rem;
  }
  .mk-proof-sep {
    display: inline;
    padding: 0 0.75rem;
  }
}

/* Section titles */
.mk-section-title {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--mk-text);
}
.mk-section-lead {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--mk-text-muted);
  max-width: 40rem;
}

/* Comparison */
.mk-compare-old {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 0.75rem;
  padding: 1.5rem;
}
html[data-mk-theme="dark"] .mk-compare-old {
  background: rgba(127, 29, 29, 0.15);
  border-color: rgba(248, 113, 113, 0.25);
}
.mk-compare-new {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 0.75rem;
  padding: 1.5rem;
}
html[data-mk-theme="dark"] .mk-compare-new {
  background: rgba(6, 78, 59, 0.2);
  border-color: rgba(52, 211, 153, 0.25);
}

/* Pricing */
.mk-pricing-card {
  background: var(--mk-bg-elevated);
  border: 1px solid var(--mk-border);
  border-radius: 0.75rem;
  padding: 2rem;
  box-shadow: var(--mk-shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.mk-pricing-featured {
  border-color: var(--mk-accent);
  box-shadow: var(--mk-shadow-md);
  position: relative;
  background: var(--mk-bg-elevated);
}
@media (min-width: 1024px) {
  .mk-pricing-featured {
    transform: scale(1.02);
  }
}
@media (max-width: 1023px) {
  .mk-pricing-featured {
    transform: none;
  }
}
.mk-plan-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--mk-text);
}
.mk-plan-price-line {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--mk-text);
  margin-top: 0.25rem;
}
.mk-plan-note {
  font-size: 0.875rem;
  color: var(--mk-text-muted);
  margin-top: 0.25rem;
}

/* Final CTA */
.mk-cta-band {
  background: var(--mk-bg-elevated);
  border-top: 1px solid var(--mk-border);
  border-bottom: 1px solid var(--mk-border);
}

/* Footer */
.mk-footer {
  background: var(--mk-bg);
  border-top: 1px solid var(--mk-border);
  color: var(--mk-text-muted);
  font-size: 0.875rem;
}
.mk-footer a {
  color: var(--mk-text-muted);
  text-decoration: none;
}
.mk-footer a:hover {
  color: var(--mk-text);
}

/* Code panel (stays dark) */
.mk-code-panel {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--mk-shadow-md);
}
.mk-code-panel .mk-tab {
  transition: background 0.15s ease, color 0.15s ease;
  color: #94a3b8;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
}
.mk-code-panel .mk-tab:hover {
  color: #e2e8f0;
  background: rgba(51, 65, 85, 0.5);
}
.mk-code-panel .mk-tab-active {
  background: #1e293b;
  color: #f8fafc;
}
.mk-code-panel pre {
  color: #cbd5e1;
  margin: 0;
}

/* Theme toggle (compact) */
.mk-theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  padding: 0.15rem;
  border-radius: 0.375rem;
  border: 1px solid var(--mk-border);
  background: var(--mk-bg-elevated);
}
.mk-theme-toggle button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  border-radius: 0.25rem;
  background: transparent;
  color: var(--mk-text-muted);
  cursor: pointer;
}
.mk-theme-toggle button:hover {
  color: var(--mk-text);
  background: var(--mk-accent-soft);
}
.mk-theme-toggle button.mk-theme-active {
  color: var(--mk-accent);
  background: var(--mk-accent-soft);
}