/* ═══════════════════════════════════════════════
   Marketing Shell CSS — SkrivSikkert Phase 1
   Marketing nav, footer, below-fold content, buttons,
   typography scale, responsive layouts
   ═══════════════════════════════════════════════ */

/* ─── Marketing-specific tokens ─── */
:root {
  --color-primary-dark: #5254cc; /* WCAG AA on white (4.64:1) */
  --marketing-nav-height: 64px;
  --shell-transition: 300ms ease;
  --marketing-max-width: 1200px;
}

/* ─── Accessibility: screen-reader-only + focus-visible ─── */
.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;
}

.sr-only.focus-visible:focus {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 12px 24px;
  margin: 0;
  overflow: visible;
  clip: auto;
  background: var(--color-primary, #696cff);
  color: #fff;
  font-size: var(--font-size-md, 16px);
  font-weight: var(--font-weight-semibold, 600);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md, 8px) 0;
}

/* ─── Focus ring for all interactive elements ─── */
.marketing-nav a:focus-visible,
.marketing-nav button:focus-visible,
.marketing-footer a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-primary, #696cff);
  outline-offset: 2px;
  border-radius: var(--radius-sm, 6px);
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-size: var(--font-size-base, 15px);
  font-weight: var(--font-weight-semibold, 600);
  line-height: 1;
  padding: 10px 20px;
  min-height: 44px;
  min-width: 44px;
  border: 2px solid transparent;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, transform 100ms ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary, #696cff);
  color: #fff;
  border-color: var(--color-primary, #696cff);
}

.btn-primary:hover {
  background: var(--color-primary-hover, #5a5ee0);
  border-color: var(--color-primary-hover, #5a5ee0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary, #384551);
  border-color: var(--color-border, #e4e6e8);
}

.btn-ghost:hover {
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
  border-color: var(--color-primary, #696cff);
  color: var(--color-primary, #696cff);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-md, 16px);
  min-height: 52px;
}

/* ═══ MARKETING NAV ═══ */
.marketing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-card, #fff);
  border-bottom: 1px solid var(--color-border, #e4e6e8);
  height: var(--marketing-nav-height);
}

.marketing-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--marketing-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6, 24px);
  height: 100%;
}

/* Logo */
.marketing-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

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

/* Desktop nav links */
.marketing-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1, 4px);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  min-height: 44px;
  font-family: var(--font-family);
  font-size: var(--font-size-base, 15px);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text-primary, #384551);
  text-decoration: none;
  border-radius: var(--radius-md, 8px);
  transition: background-color 200ms ease, color 200ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
  color: var(--color-primary, #696cff);
}

/* CTAs group */
.marketing-nav-ctas {
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

/* ─── Dropdown ─── */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  min-height: 44px;
  font-family: var(--font-family);
  font-size: var(--font-size-base, 15px);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text-primary, #384551);
  background: none;
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease;
}

.nav-dropdown-trigger:hover {
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
  color: var(--color-primary, #696cff);
}

.nav-dropdown-arrow {
  transition: transform 200ms ease;
}

.nav-dropdown-trigger[aria-expanded="true"] .nav-dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 320px;
  background: var(--color-card, #fff);
  border: 1px solid var(--color-border, #e4e6e8);
  border-radius: var(--radius-lg, 12px);
  box-shadow: var(--shadow-popup);
  padding: var(--space-2, 8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 200;
}

.nav-dropdown-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px);
  min-height: 44px;
  border-radius: var(--radius-md, 8px);
  text-decoration: none;
  color: var(--color-text-primary, #384551);
  transition: background-color 200ms ease;
}

.nav-dropdown-item:hover,
.nav-dropdown-item:focus {
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
}

.nav-dropdown-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg, #FAFAF8);
  border-radius: var(--radius-md, 8px);
  flex-shrink: 0;
}

.nav-dropdown-title {
  font-size: var(--font-size-base, 15px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-primary, #384551);
}

.nav-dropdown-desc {
  font-size: var(--font-size-sm, 13px);
  color: var(--color-text-secondary, #646e78);
  margin-top: 2px;
}

/* ─── Hamburger ─── */
.marketing-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary, #384551);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 200ms ease;
}

.marketing-hamburger.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.marketing-hamburger.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.marketing-hamburger.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Mobile menu overlay ─── */
.marketing-mobile-menu {
  display: none;
  position: fixed;
  top: var(--marketing-nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
  opacity: 0;
  transition: opacity 300ms ease;
}

.marketing-mobile-menu.is-open {
  display: block;
  opacity: 1;
}

.mobile-menu-nav {
  background: var(--color-card, #fff);
  padding: var(--space-4, 16px);
  max-height: calc(100vh - var(--marketing-nav-height));
  overflow-y: auto;
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  padding: var(--space-3, 12px) var(--space-4, 16px);
  min-height: 48px;
  font-family: var(--font-family);
  font-size: var(--font-size-md, 16px);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text-primary, #384551);
  text-decoration: none;
  border-radius: var(--radius-md, 8px);
  transition: background-color 200ms ease;
}

.mobile-menu-item:hover {
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
}

.mobile-menu-cta {
  background: var(--color-primary, #696cff);
  color: #fff;
  font-weight: var(--font-weight-semibold, 600);
  text-align: center;
  justify-content: center;
  margin-top: var(--space-2, 8px);
}

.mobile-menu-cta:hover {
  background: var(--color-primary-hover, #5a5ee0);
}

.mobile-menu-divider {
  height: 1px;
  background: var(--color-border, #e4e6e8);
  margin: var(--space-2, 8px) 0;
}

/* ═══ MARKETING NAV — MINIMAL VARIANT ═══ */
.marketing-nav--minimal .marketing-nav-inner {
  justify-content: space-between;
}

/* ═══ MARKETING FOOTER ═══ */
.marketing-footer {
  background: var(--color-bg, #FAFAF8);
  border-top: 1px solid var(--color-border, #e4e6e8);
  padding: var(--space-12, 48px) var(--space-6, 24px) var(--space-8, 32px);
}

.footer-inner {
  max-width: var(--marketing-max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8, 32px);
  margin-bottom: var(--space-10, 40px);
}

.footer-heading {
  font-family: var(--font-family);
  font-size: var(--font-size-sm, 13px);
  font-weight: var(--font-weight-bold, 700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary, #384551);
  margin-bottom: var(--space-4, 16px);
}

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

.footer-links li {
  margin-bottom: var(--space-2, 8px);
}

.footer-links a {
  font-family: var(--font-family);
  font-size: var(--font-size-base, 15px);
  color: var(--color-text-secondary, #646e78);
  text-decoration: none;
  transition: color 200ms ease;
}

.footer-links a:hover {
  color: var(--color-primary, #696cff);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6, 24px);
  border-top: 1px solid var(--color-border, #e4e6e8);
}

.footer-copyright {
  font-family: var(--font-family);
  font-size: var(--font-size-sm, 13px);
  color: var(--color-text-secondary, #646e78);
}

/* ═══ TOOL PAGE LAYOUT ═══ */
.tool-page-header {
  padding: var(--space-4, 16px) var(--space-6, 24px);
  max-width: var(--marketing-max-width);
  margin: 0 auto;
}

.tool-page-header h1 {
  font-family: var(--font-family);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text-primary, #384551);
  line-height: 1.2;
  max-height: 48px;
  overflow: hidden;
}

/* Tool area fills viewport */
.tool-area {
  min-height: calc(100vh - var(--marketing-nav-height) - 80px);
}

/* ─── Below-fold marketing content ─── */
.marketing-below-fold {
  max-width: var(--marketing-max-width);
  margin: 0 auto;
  padding: var(--space-16, 64px) var(--space-6, 24px);
}

.marketing-section {
  margin-bottom: var(--space-16, 64px);
}

.marketing-section:last-child {
  margin-bottom: 0;
}

.marketing-section-title {
  font-family: var(--font-family);
  font-size: var(--font-size-2xl, 24px);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text-primary, #384551);
  text-align: center;
  margin-bottom: var(--space-8, 32px);
}

/* How it works: 3-step grid */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6, 24px);
}

.how-step {
  text-align: center;
  padding: var(--space-6, 24px);
}

.how-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary-light, rgba(105, 108, 255, 0.12));
  color: var(--color-primary, #696cff);
  font-size: var(--font-size-xl, 20px);
  font-weight: var(--font-weight-bold, 700);
  border-radius: var(--radius-full, 50%);
  margin-bottom: var(--space-4, 16px);
}

.how-step h3 {
  font-family: var(--font-family);
  font-size: var(--font-size-lg, 18px);
  font-weight: var(--font-weight-semibold, 600);
  margin-bottom: var(--space-2, 8px);
}

.how-step p {
  font-size: var(--font-size-base, 15px);
  color: var(--color-text-secondary, #646e78);
  line-height: 1.6;
}

/* Feature cards grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4, 16px);
}

.feature-card {
  background: var(--color-card, #fff);
  border: 1px solid var(--color-border, #e4e6e8);
  border-radius: var(--radius-lg, 12px);
  padding: var(--space-6, 24px);
  transition: box-shadow 200ms ease;
}

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

.feature-card h3 {
  font-family: var(--font-family);
  font-size: var(--font-size-md, 16px);
  font-weight: var(--font-weight-semibold, 600);
  margin-bottom: var(--space-2, 8px);
}

.feature-card p {
  font-size: var(--font-size-base, 15px);
  color: var(--color-text-secondary, #646e78);
  line-height: 1.5;
}

/* FAQ accordion */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border, #e4e6e8);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 56px;
  padding: var(--space-4, 16px) 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md, 16px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-primary, #384551);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-question::after {
  content: '+';
  font-size: 24px;
  color: var(--color-text-secondary, #646e78);
  flex-shrink: 0;
  margin-left: var(--space-4, 16px);
  transition: transform 200ms ease;
}

.faq-item.is-open .faq-question::after {
  content: '-';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 0 var(--space-4, 16px);
  font-size: var(--font-size-base, 15px);
  color: var(--color-text-secondary, #646e78);
  line-height: 1.6;
}

/* ═══ LOGIN PROMPT (app-only pages) ═══ */
.login-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--marketing-nav-height) - 100px);
  padding: var(--space-8, 32px);
}

.login-prompt-inner {
  text-align: center;
  max-width: 400px;
}

.login-prompt-icon {
  font-size: 56px;
  margin-bottom: var(--space-4, 16px);
}

.login-prompt-title {
  font-family: var(--font-family);
  font-size: var(--font-size-2xl, 24px);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text-primary, #384551);
  margin-bottom: var(--space-2, 8px);
}

.login-prompt-desc {
  font-family: var(--font-family);
  font-size: var(--font-size-base, 15px);
  color: var(--color-text-secondary, #646e78);
  line-height: 1.6;
  margin-bottom: var(--space-6, 24px);
}

.login-prompt-actions {
  display: flex;
  gap: var(--space-3, 12px);
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══ TOOL LOADING SKELETON ═══ */
.tool-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: var(--space-8, 32px);
}

.tool-loading-inner {
  text-align: center;
}

.tool-loading-icon {
  font-size: 36px;
  margin-bottom: var(--space-3, 12px);
}

.tool-loading-text {
  font-family: var(--font-family);
  font-size: var(--font-size-md, 16px);
  color: var(--color-text-secondary, #646e78);
  margin-bottom: var(--space-6, 24px);
}

.tool-loading-skeleton {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  width: 280px;
}

.skeleton-line {
  height: 12px;
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-line--long { width: 100%; }
.skeleton-line--medium { width: 75%; }
.skeleton-line--short { width: 50%; }

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ═══ MOBILE STICKY CTA ═══ */
.mobile-sticky-cta {
  display: none;
}

/* ═══ RESPONSIVE ═══ */

/* Tablet: 768px */
@media (max-width: 768px) {
  .marketing-hamburger {
    display: flex;
  }

  .marketing-nav-links {
    display: none;
  }

  .marketing-nav-ctas {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6, 24px);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3, 12px);
    text-align: center;
  }

  .how-it-works-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4, 16px);
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  /* Show mobile sticky CTA */
  .mobile-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--color-card, #fff);
    border-top: 1px solid var(--color-border, #e4e6e8);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  }

  .mobile-sticky-cta .btn {
    width: 100%;
    min-height: 52px;
    font-size: var(--font-size-md, 16px);
  }

  /* Hide mobile CTA when authenticated */
  .is-authenticated .mobile-sticky-cta {
    display: none;
  }
}

/* Small mobile: 375px */
@media (max-width: 480px) {
  .marketing-nav-inner {
    padding: 0 var(--space-4, 16px);
  }

  .marketing-below-fold {
    padding: var(--space-10, 40px) var(--space-4, 16px);
  }

  .marketing-footer {
    padding: var(--space-8, 32px) var(--space-4, 16px);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .tool-page-header h1 {
    font-size: 24px;
  }
}

/* ═══ DARK MODE ═══ */
@media (prefers-color-scheme: dark) {
  .marketing-nav {
    background: var(--color-card);
    border-bottom-color: var(--color-border);
  }

  .mobile-menu-nav {
    background: var(--color-card);
  }

  .mobile-sticky-cta {
    background: var(--color-card);
    border-top-color: var(--color-border);
  }
}

[data-theme="dark"] .marketing-nav {
  background: var(--color-card);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .mobile-menu-nav {
  background: var(--color-card);
}

[data-theme="dark"] .mobile-sticky-cta {
  background: var(--color-card);
  border-top-color: var(--color-border);
}