/* plk-layout.css — Nav, Footer, Page layouts */

/* ============================================================
   NAV
   ============================================================ */

.plk-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* Default: transparent on dark-top pages */
body.plk-page--dark-top .plk-nav {
  background: transparent;
}

/* Light-top: always solid navy */
body.plk-page--light-top .plk-nav {
  background: var(--plk-bg-dark);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* Scrolled state: solid nav */
.plk-nav.plk-nav--scrolled {
  background: var(--plk-bg-dark);
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.plk-nav__inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 2rem;
  max-width: var(--plk-container-max);
  margin: 0 auto;
  padding-left: var(--plk-container-px);
  padding-right: var(--plk-container-px);
}

/* Logo */
.plk-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.plk-nav__logo img {
  height: 32px;
  width: auto;
  max-width: 180px;
}

/* Links */
.plk-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.plk-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--plk-radius-sm);
  transition: background var(--plk-transition), color var(--plk-transition);
  white-space: nowrap;
}

/* Nav links on dark nav (default) */
.plk-nav .plk-nav__link {
  color: var(--plk-fg-dark-secondary);
}

.plk-nav .plk-nav__link:hover {
  color: var(--plk-fg-dark-primary);
  background: rgba(255,255,255,0.07);
}

/* Nav CTAs */
.plk-nav__ctas {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.plk-nav__cta-signin {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--plk-fg-dark-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--plk-radius-sm);
  transition: color var(--plk-transition);
}

.plk-nav__cta-signin:hover {
  color: var(--plk-fg-dark-primary);
}

/* Hamburger */
.plk-nav__hamburger {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  margin-left: auto;
  color: var(--plk-fg-dark-primary);
  border-radius: var(--plk-radius-sm);
  transition: background var(--plk-transition);
}

.plk-nav__hamburger:hover {
  background: rgba(255,255,255,0.07);
}

.plk-nav__hamburger-icon {
  display: block;
  width: 22px;
  height: 14px;
  position: relative;
}

.plk-nav__hamburger-icon span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--plk-fg-dark-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.plk-nav__hamburger-icon span:nth-child(1) { top: 0; }
.plk-nav__hamburger-icon span:nth-child(2) { top: 6px; }
.plk-nav__hamburger-icon span:nth-child(3) { top: 12px; }

.plk-nav__hamburger[aria-expanded="true"] .plk-nav__hamburger-icon span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.plk-nav__hamburger[aria-expanded="true"] .plk-nav__hamburger-icon span:nth-child(2) {
  opacity: 0;
}
.plk-nav__hamburger[aria-expanded="true"] .plk-nav__hamburger-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile menu */
.plk-nav__mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--plk-bg-dark);
  border-top: 1px solid var(--plk-border-dark);
  padding: 1rem var(--plk-container-px) 1.5rem;
  gap: 0.25rem;
}

.plk-nav__mobile-menu.is-open {
  display: flex;
}

.plk-nav__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--plk-fg-dark-secondary);
  padding: 0.6rem 0.75rem;
  border-radius: var(--plk-radius-sm);
  transition: background var(--plk-transition), color var(--plk-transition);
}

.plk-nav__mobile-link:hover {
  color: var(--plk-fg-dark-primary);
  background: rgba(255,255,255,0.07);
}

.plk-nav__mobile-ctas {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0.75rem 0;
  margin-top: 0.5rem;
  border-top: 1px solid var(--plk-border-dark);
}

@media (max-width: 900px) {
  .plk-nav__links,
  .plk-nav__ctas { display: none; }
  .plk-nav__hamburger { display: flex; }
}

/* Spacer for fixed nav */
.plk-nav-spacer { height: 64px; }

/* ============================================================
   FOOTER
   ============================================================ */

.plk-footer {
  background: var(--plk-bg-dark);
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: 2rem;
}

.plk-footer__inner {
  max-width: var(--plk-container-max);
  margin: 0 auto;
  padding-left: var(--plk-container-px);
  padding-right: var(--plk-container-px);
}

.plk-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--plk-border-dark);
}

.plk-footer__brand-logo img {
  height: 28px;
  width: auto;
  margin-bottom: 1rem;
}

.plk-footer__brand-tagline {
  font-size: 0.875rem;
  color: var(--plk-fg-dark-secondary);
  line-height: 1.6;
  max-width: 260px;
}

.plk-footer__col-heading {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--plk-fg-dark-primary);
  margin-bottom: 1.25rem;
}

.plk-footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.plk-footer__col-link {
  font-size: 0.9rem;
  color: var(--plk-fg-dark-secondary);
  transition: color var(--plk-transition);
}

.plk-footer__col-link:hover {
  color: var(--plk-fg-dark-primary);
}

.plk-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
}

.plk-footer__copy {
  font-size: 0.8rem;
  color: var(--plk-fg-dark-muted);
}

.plk-footer__legal-links {
  display: flex;
  gap: 1.25rem;
}

.plk-footer__legal-link {
  font-size: 0.8rem;
  color: var(--plk-fg-dark-muted);
  transition: color var(--plk-transition);
}

.plk-footer__legal-link:hover {
  color: var(--plk-fg-dark-secondary);
}

@media (max-width: 900px) {
  .plk-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .plk-footer__top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .plk-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   SUB-PAGE HERO (light-weight but visually anchored)
   ============================================================ */

.plk-subhero {
  background: var(--plk-bg-dark);
  padding-top: calc(64px + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.plk-subhero__inner {
  max-width: var(--plk-container-max);
  margin: 0 auto;
  padding-left: var(--plk-container-px);
  padding-right: var(--plk-container-px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.plk-subhero__content { max-width: 600px; }

.plk-subhero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--plk-accent-aa-on-dark);
  margin-bottom: 1rem;
}

.plk-subhero__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--plk-accent-decorative);
  border-radius: 1px;
}

.plk-subhero h1 {
  color: var(--plk-fg-dark-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.plk-subhero__lede {
  font-size: 1.125rem;
  color: var(--plk-fg-dark-secondary);
  line-height: 1.7;
}

.plk-subhero__visual {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* Decorative grid pattern for sub-hero right side */
.plk-subhero__grid-decoration {
  width: 100%;
  max-width: 400px;
  height: 280px;
  position: relative;
  border-radius: var(--plk-radius-lg);
  overflow: hidden;
}

@media (max-width: 900px) {
  .plk-subhero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .plk-subhero__visual { display: none; }
  .plk-subhero h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); }
}

/* ============================================================
   AUTH LAYOUT (login / signup / reset)
   ============================================================ */

.plk-auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.plk-auth-left {
  background: var(--plk-bg-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 4rem) clamp(2rem, 5vw, 3rem);
  position: relative;
  overflow: hidden;
}

.plk-auth-left__back {
  position: absolute;
  top: 2rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--plk-fg-dark-secondary);
  transition: color var(--plk-transition);
}

.plk-auth-left__back:hover { color: var(--plk-fg-dark-primary); }

.plk-auth-left__logo {
  margin-bottom: 3rem;
}

.plk-auth-left__logo img {
  height: 32px;
  width: auto;
}

.plk-auth-left__headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--plk-fg-dark-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.plk-auth-left__sub {
  font-size: 1rem;
  color: var(--plk-fg-dark-secondary);
  line-height: 1.7;
  max-width: 360px;
}

.plk-auth-left__stats {
  margin-top: 3rem;
  display: flex;
  gap: 2rem;
}

.plk-auth-stat__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--plk-accent-aa-on-dark);
  line-height: 1;
}

.plk-auth-stat__label {
  font-size: 0.8rem;
  color: var(--plk-fg-dark-muted);
  margin-top: 0.25rem;
}

.plk-auth-right {
  background: var(--plk-bg-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 4rem) clamp(2rem, 5vw, 3rem);
}

.plk-auth-form-wrap {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}

.plk-auth-form-wrap__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--plk-fg-light-primary);
  margin-bottom: 0.5rem;
}

.plk-auth-form-wrap__sub {
  font-size: 0.9rem;
  color: var(--plk-fg-light-secondary);
  margin-bottom: 2rem;
}

/* Reset password centered card */
.plk-auth-center {
  min-height: 100vh;
  background: var(--plk-bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.plk-auth-card {
  background: var(--plk-bg-white);
  border-radius: var(--plk-radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--plk-shadow-lg);
}

.plk-auth-card__logo {
  margin-bottom: 2rem;
}

.plk-auth-card__logo img {
  height: 28px;
  width: auto;
}

.plk-auth-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--plk-fg-light-primary);
  margin-bottom: 0.5rem;
}

.plk-auth-card__sub {
  font-size: 0.9rem;
  color: var(--plk-fg-light-secondary);
  margin-bottom: 2rem;
}

@media (max-width: 700px) {
  .plk-auth-layout {
    grid-template-columns: 1fr;
  }
  .plk-auth-left {
    display: none;
  }
}

/* ============================================================
   BLOG LAYOUT
   ============================================================ */

.plk-blog-layout {
  max-width: var(--plk-container-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 4rem) var(--plk-container-px);
}

.plk-blog-article-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.plk-blog-article__cover {
  width: 100%;
  height: auto;
  border-radius: var(--plk-radius-md);
  margin-bottom: 2.5rem;
}

.plk-blog-article__header {
  margin-bottom: 2.5rem;
}

.plk-blog-article__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.plk-blog-article__category {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background: rgba(34,197,94,0.1);
  color: var(--plk-accent-aa-on-light);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.plk-blog-article__date {
  font-size: 0.85rem;
  color: var(--plk-fg-light-secondary);
}

.plk-blog-article__reading-time {
  font-size: 0.85rem;
  color: var(--plk-fg-light-secondary);
}

.plk-blog-article__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--plk-fg-light-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.plk-blog-article__summary {
  font-size: 1.125rem;
  color: var(--plk-fg-light-secondary);
  line-height: 1.7;
}

/* Article body content */
.plk-blog-content h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.plk-blog-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.plk-blog-content p {
  margin-bottom: 1.25em;
  line-height: 1.8;
}

.plk-blog-content ul, .plk-blog-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25em;
}

.plk-blog-content ul { list-style: disc; }
.plk-blog-content ol { list-style: decimal; }

.plk-blog-content li {
  margin-bottom: 0.5em;
  line-height: 1.7;
}

.plk-blog-content a {
  color: var(--plk-accent-aa-on-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.plk-blog-content blockquote {
  border-left: 3px solid var(--plk-accent-decorative);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--plk-fg-light-secondary);
  font-style: italic;
}

/* Theme scoping for shared container */
body.plk-page--light-top .plk-blog-content h1,
body.plk-page--light-top .plk-blog-content h2,
body.plk-page--light-top .plk-blog-content h3 { color: var(--plk-fg-light-primary); }

body.plk-page--light-top .plk-blog-content p,
body.plk-page--light-top .plk-blog-content li { color: var(--plk-fg-light-primary); }

body.plk-page--dark-top .plk-blog-content h1,
body.plk-page--dark-top .plk-blog-content h2,
body.plk-page--dark-top .plk-blog-content h3 { color: var(--plk-fg-dark-primary); }

body.plk-page--dark-top .plk-blog-content p,
body.plk-page--dark-top .plk-blog-content li { color: var(--plk-fg-dark-secondary); }

/* Blog author */
.plk-blog-article__author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--plk-border-light);
  border-bottom: 1px solid var(--plk-border-light);
  margin: 2.5rem 0;
}

.plk-blog-article__author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--plk-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--plk-accent-aa-on-dark);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.plk-blog-article__author-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--plk-fg-light-primary);
}

.plk-blog-article__author-title {
  font-size: 0.8rem;
  color: var(--plk-fg-light-secondary);
}

/* Legal page layout */
.plk-legal-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 4rem) var(--plk-container-px);
}

.plk-legal-hero {
  background: var(--plk-bg-dark);
  padding-top: calc(64px + 3rem);
  padding-bottom: 3rem;
}

.plk-legal-hero__inner {
  max-width: var(--plk-container-max);
  margin: 0 auto;
  padding-left: var(--plk-container-px);
  padding-right: var(--plk-container-px);
}

.plk-legal-hero h1 {
  color: var(--plk-fg-dark-primary);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}

.plk-legal-hero__meta {
  color: var(--plk-fg-dark-secondary);
  font-size: 0.875rem;
}

/* Legal article styling */
.legal-article section {
  margin-bottom: 2rem;
}

.legal-article h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--plk-fg-light-primary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--plk-border-light);
}

.legal-article h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--plk-fg-light-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.legal-article p {
  color: var(--plk-fg-light-secondary);
  line-height: 1.75;
  margin-bottom: 0.75em;
}

.legal-article ul, .legal-article ol {
  padding-left: 1.5rem;
  margin-bottom: 0.75em;
}

.legal-article ul { list-style: disc; }
.legal-article ol { list-style: decimal; }

.legal-article li {
  color: var(--plk-fg-light-secondary);
  margin-bottom: 0.4em;
  line-height: 1.65;
}

.legal-article a {
  color: var(--plk-accent-aa-on-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-article address {
  background: var(--plk-bg-cream);
  padding: 1rem 1.25rem;
  border-radius: var(--plk-radius-md);
  color: var(--plk-fg-light-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.legal-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--plk-border-light);
}

.legal-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--plk-fg-light-primary);
  margin-bottom: 0.5rem;
}

.legal-meta {
  color: var(--plk-fg-light-secondary);
  font-size: 0.875rem;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 0.75em 0;
}

.legal-table th, .legal-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border: 1px solid var(--plk-border-light);
  color: var(--plk-fg-light-secondary);
}

.legal-table th {
  background: var(--plk-bg-cream);
  font-weight: 600;
  color: var(--plk-fg-light-primary);
}