/* ============================================================
   openCCR Design System — components.css
   Nav, footer, buttons, cards, badges, safety-warning,
   hero, section headers, placeholders
   ============================================================ */

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Wordmark — used in nav and footer */
.nav__wordmark {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
}

.nav__wordmark .open {
  font-weight: 400;
}

.nav__wordmark .ccr {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
}

.nav__links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--color-cyan);
}

.nav__links a.active {
  color: var(--color-ocean);
}

/* Hamburger button */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-navy);
  align-items: center;
  justify-content: center;
}

/* Mobile nav drawer */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 99;
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-md);
}

.nav__mobile.is-open {
  display: block;
}

.nav__mobile-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.nav__mobile-links li:not(:last-child) a {
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-links a {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  padding: var(--space-3) 0;
  text-decoration: none;
  transition: color var(--transition);
}

.nav__mobile-links a:hover,
.nav__mobile-links a.active {
  color: var(--color-ocean);
}

@media (max-width: 768px) {
  .nav__links    { display: none; }
  .nav__hamburger { display: flex; }
}

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

.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

.footer .nav__wordmark {
  color: #fff;
  margin-bottom: var(--space-4);
  display: inline-flex;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
  max-width: 280px;
}

.footer__col h4 {
  color: #fff;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: var(--space-4);
}

.footer__col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__col a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__col a:hover {
  color: var(--color-cyan);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Primary: navy fill */
.btn--primary {
  background: var(--color-navy);
  color: #fff;
  border-color: var(--color-navy);
}

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

/* Outline: navy border on white */
.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  background: var(--color-navy);
  color: #fff;
}

/* Outline light: for use on dark backgrounds */
.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

/* Sizes */
.btn--lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}

.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-ocean);
  flex-shrink: 0;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.card__footer {
  margin-top: var(--space-4);
}

/* Feature card — clickable, used on homepage grid */
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-cyan);
  transform: translateY(-2px);
  color: inherit;
}

.feature-card__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ocean);
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.feature-card__arrow {
  margin-top: auto;
  color: var(--color-ocean);
  font-size: var(--text-lg);
  transition: transform var(--transition);
  font-family: var(--font-heading);
}

.feature-card:hover .feature-card__arrow {
  transform: translateX(4px);
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: 100px;
}

.badge--navy {
  background: var(--color-navy);
  color: #fff;
}

.badge--ocean {
  background: rgba(14, 107, 173, 0.1);
  color: var(--color-ocean);
  border: 1px solid rgba(14, 107, 173, 0.2);
}

.badge--cyan {
  background: rgba(36, 180, 216, 0.1);
  color: #1a8fa8;
  border: 1px solid rgba(36, 180, 216, 0.25);
}

.badge--warning {
  background: rgba(192, 57, 43, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

/* ============================================================
   SAFETY WARNING
   ============================================================ */

.safety-warning {
  background: rgba(192, 57, 43, 0.05);
  border: 2px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.safety-warning__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-warning);
  margin-top: 1px;
}

.safety-warning__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-warning);
  margin-bottom: var(--space-1);
}

.safety-warning__text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ocean);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .section-header__title { font-size: var(--text-3xl); }
}

/* ============================================================
   HERO (index / landing page)
   ============================================================ */

.hero {
  background: var(--color-bg-subtle);
  position: relative;
  overflow: hidden;
  padding-block: var(--space-16);
}

/* Subtle geometric grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 107, 173, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 107, 173, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ocean);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-ocean);
  margin-bottom: var(--space-6);
  letter-spacing: 0.04em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   PAGE HERO (sub-pages — dark navy background)
   ============================================================ */

.page-hero {
  background: var(--color-navy);
  padding-block: var(--space-12);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  margin-bottom: var(--space-3);
}

.page-hero__title {
  color: #fff;
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 560px;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .page-hero__title { font-size: var(--text-3xl); }
}

/* ============================================================
   PLACEHOLDER (skeleton page sections)
   ============================================================ */

.placeholder-block {
  background: var(--color-bg-subtle);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  text-align: center;
}

.placeholder-block h3 {
  color: var(--color-text-muted);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.placeholder-block p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
}

/* ============================================================
   PAGE WITH TOC LAYOUT
   ============================================================ */

.page-with-toc {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 0 var(--space-8);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
  align-items: start;
}

.page-with-toc__content {
  min-width: 0;
}

/* Containers inside TOC layout: page-with-toc handles max-width and padding */
.page-with-toc .container {
  max-width: 100%;
  padding-inline: 0;
}

.page-toc {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  padding: var(--space-6) 0;
}

.page-toc__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.page-toc__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--color-border);
}

.page-toc__list li {
  margin: 0;
}

.page-toc__list a {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  text-decoration: none;
  transition: color var(--transition), border-left-color var(--transition);
  border-left: 2px solid transparent;
  margin-left: -2px;
  line-height: 1.5;
}

.page-toc__list a:hover {
  color: var(--color-ocean);
  border-left-color: var(--color-cyan);
}

@media (max-width: 1024px) {
  .page-with-toc {
    grid-template-columns: 1fr;
    padding-inline: var(--space-4);
  }

  .page-toc {
    display: none;
  }
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */

.cookie-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 48, 96, 0.55);
  backdrop-filter: blur(2px);
  z-index: 9999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1.5rem;
}

.cookie-banner {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cookie-banner__header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.cookie-banner__icon {
  font-size: 1.5rem;
  line-height: 1;
}

.cookie-banner__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-navy);
  margin: 0;
}

.cookie-banner__body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.cookie-banner__body strong {
  color: var(--color-text);
  font-weight: 500;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.cookie-banner__decline {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.5625rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.cookie-banner__decline:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.cookie-banner__decline:focus-visible {
  outline: 3px solid var(--color-cyan);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .cookie-banner {
    padding: 1.25rem 1.25rem;
  }
}