/* zrr-pages.css — page-specific overrides and layouts */

/* ─── Index hero specific ────────────────────────────────────── */
.zrr-index-hero {
  padding: 100px 0 80px;
  background: var(--zrr-bg-dark);
  position: relative;
  overflow: hidden;
}
.zrr-index-hero__inner {
  max-width: var(--zrr-container-max);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.zrr-index-hero__h1 {
  font-family: var(--zrr-font-heading);
  font-size: clamp(2.1rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--zrr-fg-dark-primary);
  margin-bottom: 20px;
}
.zrr-index-hero__h1 .zrr-accent { color: var(--zrr-accent-aa-dark); }

@media (max-width: 860px) {
  .zrr-index-hero__inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .zrr-index-hero__inner { padding: 0 20px; }
  .zrr-index-hero { padding: 72px 0 48px; }
}

/* ─── Sub-hero (IP core, standards, etc.) ────────────────────── */
.zrr-subhero {
  padding: 72px 0 56px;
  background: var(--zrr-bg-dark);
}
.zrr-subhero__inner {
  max-width: var(--zrr-container-max);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 56px;
  align-items: center;
}
.zrr-subhero__eyebrow {
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zrr-accent-aa-dark);
  display: block;
  margin-bottom: 16px;
}
.zrr-subhero__h1 {
  font-family: var(--zrr-font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--zrr-fg-dark-primary);
  margin-bottom: 16px;
}
.zrr-subhero__sub {
  font-size: 1rem;
  color: var(--zrr-fg-dark-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 540px;
}
.zrr-subhero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Light-top sub-hero */
.zrr-subhero--light {
  background: var(--zrr-bg-light);
}
.zrr-subhero--light .zrr-subhero__eyebrow { color: var(--zrr-accent-aa-light); }
.zrr-subhero--light .zrr-subhero__h1 { color: var(--zrr-fg-light-primary); }
.zrr-subhero--light .zrr-subhero__sub { color: var(--zrr-fg-light-secondary); }

@media (max-width: 820px) {
  .zrr-subhero__inner { grid-template-columns: 1fr; gap: 32px; }
  .zrr-subhero__visual { justify-content: flex-start; }
}
@media (max-width: 600px) {
  .zrr-subhero__inner { padding: 0 20px; }
}

/* ─── Problem statement section ──────────────────────────────── */
.zrr-problem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.zrr-problem__prose p {
  font-size: 1.0625rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
@media (max-width: 760px) {
  .zrr-problem { grid-template-columns: 1fr; gap: 32px; }
}

/* ─── About page ─────────────────────────────────────────────── */
.zrr-founder-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: start;
}
.zrr-founder-portrait {
  width: 100%;
  border-radius: 2px;
  border: 1px solid var(--zrr-border-dark);
  background: var(--zrr-bg-dark-card);
  object-fit: cover;
  aspect-ratio: 5/6;
}
.zrr-founder-prose__name {
  font-family: var(--zrr-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--zrr-fg-light-primary);
  margin-bottom: 2px;
}
.zrr-founder-prose__title {
  font-family: var(--zrr-font-mono);
  font-size: 0.8125rem;
  color: var(--zrr-accent-aa-light);
  display: block;
  margin-bottom: 16px;
}
.zrr-founder-prose__body {
  font-size: 0.9375rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.8;
}
@media (max-width: 760px) {
  .zrr-founder-section { grid-template-columns: 1fr; }
  .zrr-founder-portrait { max-width: 260px; }
}

/* ─── Integration timeline ───────────────────────────────────── */
.zrr-timeline {
  position: relative;
}
.zrr-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--zrr-border-light);
}
.zrr-timeline__item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
  position: relative;
  padding-left: 20px;
}
.zrr-timeline__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--zrr-accent-aa-light);
  border: 2px solid var(--zrr-bg-white);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  z-index: 1;
}
.zrr-timeline__content {}
.zrr-timeline__weeks {
  font-family: var(--zrr-font-mono);
  font-size: 0.75rem;
  color: var(--zrr-accent-aa-light);
  margin-bottom: 4px;
}
.zrr-timeline__title {
  font-family: var(--zrr-font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--zrr-fg-light-primary);
  margin-bottom: 4px;
}
.zrr-timeline__body {
  font-size: 0.875rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.6;
}

/* ─── Deliveries checklist ───────────────────────────────────── */
.zrr-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.zrr-checklist__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--zrr-bg-white);
  border: 1px solid var(--zrr-border-light);
  border-radius: 2px;
}
.zrr-checklist__icon {
  font-size: 0.875rem;
  color: var(--zrr-accent-aa-light);
  margin-top: 2px;
  flex-shrink: 0;
}
.zrr-checklist__text {
  font-size: 0.875rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.5;
}
.zrr-checklist__text strong {
  color: var(--zrr-fg-light-primary);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}
@media (max-width: 640px) {
  .zrr-checklist { grid-template-columns: 1fr; }
}

/* ─── Standards deep-dive sections ──────────────────────────── */
.zrr-standard-deep {
  max-width: 760px;
}
.zrr-standard-deep h3 {
  font-family: var(--zrr-font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--zrr-fg-light-primary);
  margin-bottom: 10px;
}
.zrr-standard-deep p {
  font-size: 0.9375rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.75;
  margin-bottom: 14px;
}
.zrr-standard-deep ul {
  padding-left: 22px;
  margin-bottom: 14px;
}
.zrr-standard-deep li {
  font-size: 0.9375rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.7;
  margin-bottom: 6px;
  list-style: disc;
}
.zrr-standard-label {
  font-family: var(--zrr-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--zrr-bg-dark);
  background: var(--zrr-accent-aa-light);
  padding: 3px 10px;
  border-radius: 1px;
  display: inline-block;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

/* ─── Docs index cards ───────────────────────────────────────── */
.zrr-docs-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.zrr-docs-entry-card {
  background: var(--zrr-bg-white);
  border: 1px solid var(--zrr-border-light);
  border-radius: 2px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.18s;
}
.zrr-docs-entry-card:hover { border-color: var(--zrr-accent-aa-light); }
.zrr-docs-entry-card__icon {
  font-size: 1.25rem;
  color: var(--zrr-accent-aa-light);
}
.zrr-docs-entry-card__title {
  font-family: var(--zrr-font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--zrr-fg-light-primary);
}
.zrr-docs-entry-card__desc {
  font-size: 0.875rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.6;
  flex: 1;
}
.zrr-docs-entry-card__link {
  font-family: var(--zrr-font-mono);
  font-size: 0.8125rem;
  color: var(--zrr-accent-aa-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}
@media (max-width: 760px) { .zrr-docs-cards { grid-template-columns: 1fr; } }

/* ─── IP sub-page specific: cert chain ───────────────────────── */
.zrr-cert-chain {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 520px;
}
.zrr-cert-node {
  background: var(--zrr-bg-white);
  border: 1px solid var(--zrr-border-light);
  border-radius: 2px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.zrr-cert-node__label {
  font-family: var(--zrr-font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--zrr-accent-aa-light);
  min-width: 80px;
}
.zrr-cert-node__desc {
  font-size: 0.875rem;
  color: var(--zrr-fg-light-secondary);
  line-height: 1.5;
}
.zrr-cert-arrow {
  display: flex;
  align-items: center;
  padding: 4px 20px;
  gap: 6px;
}
.zrr-cert-arrow__line {
  width: 2px;
  height: 20px;
  background: var(--zrr-accent-aa-light);
  margin-left: 30px;
}
.zrr-cert-arrow__label {
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  color: var(--zrr-fg-light-secondary);
  margin-left: 8px;
}

/* ─── Threat model table ─────────────────────────────────────── */
.zrr-threat-table {
  width: 100%;
  font-size: 0.875rem;
  border: 1px solid var(--zrr-border-light);
}
.zrr-threat-table th, .zrr-threat-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--zrr-border-light);
  text-align: left;
  vertical-align: top;
  color: var(--zrr-fg-light-secondary);
}
.zrr-threat-table thead th {
  background: var(--zrr-bg-light);
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--zrr-fg-light-secondary);
}
.zrr-threat-table tbody td:first-child {
  font-family: var(--zrr-font-mono);
  color: var(--zrr-fg-light-primary);
  font-weight: 500;
}
.zrr-threat-badge {
  display: inline-block;
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 1px;
  letter-spacing: 0.06em;
}
.zrr-threat-badge--mitigated {
  background: rgba(0,122,102,0.12);
  color: var(--zrr-accent-aa-light);
}
.zrr-threat-badge--partial {
  background: rgba(255,179,0,0.12);
  color: #B07800;
}

/* ─── Misc ───────────────────────────────────────────────────── */
.zrr-section-divider {
  height: 1px;
  background: var(--zrr-border-light);
  margin: 0;
}
.zrr-section-divider--dark {
  background: var(--zrr-border-dark);
}

/* ─── Subhero without visual (single column) ─────────────────── */
.zrr-subhero--single {
  padding: 72px 0 56px;
}
.zrr-subhero--single .zrr-subhero__inner {
  grid-template-columns: 1fr;
  max-width: 760px;
}

/* ─── Contact info block ─────────────────────────────────────── */
.zrr-contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.zrr-contact-info__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.zrr-contact-info__icon {
  font-size: 1rem;
  color: var(--zrr-accent-aa-dark);
  margin-top: 2px;
  flex-shrink: 0;
}
.zrr-contact-info__label {
  font-family: var(--zrr-font-mono);
  font-size: 0.75rem;
  color: var(--zrr-fg-dark-secondary);
  display: block;
  margin-bottom: 4px;
}
.zrr-contact-info__value {
  font-size: 0.9375rem;
  color: var(--zrr-fg-dark-primary);
  line-height: 1.5;
}
.zrr-contact-info__value a {
  color: var(--zrr-accent-aa-dark);
  text-decoration: underline;
}
@media (max-width: 660px) {
  .zrr-contact-info { grid-template-columns: 1fr; }
}

/* ─── Subhero single-column variant (blog index, legal) ──────── */
.zrr-subhero--single-col {
  padding: 64px 0 48px;
}
.zrr-subhero__inner--single {
  max-width: var(--zrr-container-max);
  margin: 0 auto;
  padding: 0 32px;
  display: block;
  max-width: 820px;
}
@media (max-width: 600px) {
  .zrr-subhero--single-col { padding: 48px 0 36px; }
  .zrr-subhero__inner--single { padding: 0 20px; }
}

/* ─── Narrow container (article body, legal) ─────────────────── */
.zrr-container--narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 600px) {
  .zrr-container--narrow { padding: 0 20px; }
}

/* ─── Blog index card variants ──────────────────────────────────── */
.zrr-blog-card__img-link {
  display: block;
  overflow: hidden;
}
.zrr-blog-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--zrr-bg-dark-card);
  display: block;
  transition: transform 0.25s;
}
.zrr-blog-card:hover .zrr-blog-card__img { transform: scale(1.02); }
.zrr-blog-card__sep {
  color: var(--zrr-fg-light-secondary);
  opacity: 0.5;
}
.zrr-blog-tag {
  font-family: var(--zrr-font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--zrr-accent-aa-light);
  background: rgba(0,122,102,0.09);
  padding: 2px 8px;
  border-radius: 1px;
  text-transform: uppercase;
}

/* ─── Blog article hero (dark banner) ───────────────────────────── */
.zrr-article-hero {
  padding: 56px 0 48px;
  background: var(--zrr-bg-dark);
}
.zrr-article-hero__inner {
  max-width: var(--zrr-container-max);
  margin: 0 auto;
  padding: 0 32px;
  max-width: 820px;
}
.zrr-article-hero__meta {
  margin-bottom: 16px;
}
.zrr-article-hero__eyebrow {
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zrr-accent-aa-dark);
  display: block;
  margin-bottom: 10px;
}
.zrr-article-hero__h1 {
  font-family: var(--zrr-font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--zrr-fg-dark-primary);
  margin-bottom: 16px;
}
.zrr-article-hero__byline {
  font-family: var(--zrr-font-mono);
  font-size: 0.8125rem;
  color: var(--zrr-fg-dark-secondary);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
@media (max-width: 600px) {
  .zrr-article-hero { padding: 40px 0 32px; }
  .zrr-article-hero__inner { padding: 0 20px; }
}

/* ─── Article cover image ───────────────────────────────────────── */
.zrr-article-cover {
  width: 100%;
  border-radius: 2px;
  border: 1px solid var(--zrr-border-light);
  background: var(--zrr-bg-dark-card);
  display: block;
  aspect-ratio: 16/8;
  object-fit: cover;
  margin-bottom: 0;
}

/* ─── Article prev/next navigation ─────────────────────────────── */
.zrr-article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid var(--zrr-border-light);
  flex-wrap: wrap;
}
.zrr-article-nav__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 45%;
}
.zrr-article-nav__link--prev { text-align: left; }
.zrr-article-nav__link--next { text-align: right; margin-left: auto; }
.zrr-article-nav__label {
  font-family: var(--zrr-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--zrr-fg-light-secondary);
}
.zrr-article-nav__title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--zrr-accent-aa-light);
  line-height: 1.4;
}

/* ─── Login pages ───────────────────────────────────────────────── */
.zrr-nav--standalone {
  background: var(--zrr-bg-dark);
  border-bottom: 1px solid var(--zrr-border-dark);
}
.zrr-nav--standalone .zrr-nav__inner {
  justify-content: flex-start;
}
.zrr-auth-card--wide {
  max-width: 600px;
}
.zrr-auth-card__logo {
  margin-bottom: 20px;
}
.zrr-auth-card__sub {
  font-size: 0.9rem;
  color: var(--zrr-fg-dark-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
  margin-top: -16px;
}
.zrr-auth-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.zrr-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.zrr-form-label {
  font-family: var(--zrr-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--zrr-fg-dark-secondary);
  display: block;
  margin-bottom: 4px;
}
.zrr-form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--zrr-border-dark);
  border-radius: 2px;
  padding: 10px 14px;
  font-family: var(--zrr-font-body);
  font-size: 0.9375rem;
  color: var(--zrr-fg-dark-primary);
  transition: border-color 0.15s;
  width: 100%;
  box-sizing: border-box;
}
.zrr-form-input:focus {
  outline: none;
  border-color: var(--zrr-accent-aa-dark);
}
.zrr-form-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--zrr-border-dark);
  border-radius: 2px;
  padding: 10px 36px 10px 14px;
  font-family: var(--zrr-font-body);
  font-size: 0.9375rem;
  color: var(--zrr-fg-dark-primary);
  transition: border-color 0.15s;
  width: 100%;
  box-sizing: border-box;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238CA3BF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.zrr-form-select:focus {
  outline: none;
  border-color: var(--zrr-accent-aa-dark);
}
.zrr-form-select option {
  background: var(--zrr-bg-dark-card);
  color: var(--zrr-fg-dark-primary);
}
.zrr-form-textarea {
  resize: vertical;
  min-height: 90px;
  font-family: var(--zrr-font-body);
}
.zrr-form-hint {
  font-size: 0.8125rem;
  margin-top: 4px;
}
.zrr-form-link {
  color: var(--zrr-accent-aa-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.zrr-form-link:hover { opacity: 0.8; }
.zrr-auth-form__demo-note {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(0,201,167,0.08);
  border: 1px solid rgba(0,201,167,0.2);
  border-radius: 2px;
  font-size: 0.875rem;
  color: var(--zrr-fg-dark-secondary);
  line-height: 1.55;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.zrr-auth-form__demo-note .fa-solid {
  color: var(--zrr-accent-aa-dark);
  margin-top: 2px;
  flex-shrink: 0;
}
.zrr-auth-form__demo-note a { color: var(--zrr-accent-aa-dark); text-decoration: underline; }
.zrr-auth-card__footer {
  font-size: 0.875rem;
  color: var(--zrr-fg-dark-secondary);
  text-align: center;
  margin-top: 20px;
}
.zrr-btn--full-width {
  width: 100%;
  text-align: center;
  justify-content: center;
  margin-top: 4px;
}
@media (max-width: 480px) {
  .zrr-form-row { grid-template-columns: 1fr; }
  .zrr-auth-card { padding: 28px 20px; }
}