/* ==========================================================================
   Shared components — header/nav, footer, buttons, cards, chips
   Consumes tokens from tokens.css (--color-*, --space-*, --radius-*, --shadow-*)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Site header / primary nav
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ivory);
  box-shadow: none;
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 4px 18px -6px rgba(10, 29, 59, 0.18);
}

/* The header deliberately breaks out of the .container grid: it runs
   full-bleed with its own gutters while the page content below stays on the
   1200px grid. On a wide monitor that puts the logo well to the left of
   everything under it -- intentional, not a misalignment bug.
   The gutter is clamped rather than zero: flush against the viewport edge
   reads as a rendering error. 48px at 1920, tightening to 24px when narrow. */
.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: none;
  padding-inline: clamp(var(--space-4), 2.5vw, var(--space-6));
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

/* 90px costs ~24px of header height over the old 44px, because the nav and
   the Book a Call button already set the height floor. Going much past this
   starts eating real viewport on every page, since the header is sticky. */
.site-header__logo img {
  height: 90px;
  width: auto;
}

/* Below 800px the nav collapses to the hamburger and vertical space is
   scarce, so the logo steps back down rather than dominating the viewport. */
@media (max-width: 800px) {
  .site-header__logo img {
    height: 56px;
  }
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--color-copper);
}

.nav-toggle[aria-expanded="true"] {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-ivory);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-links a:not(.btn) {
  color: var(--color-navy);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn):focus-visible {
  color: var(--color-copper);
}

@media (max-width: 800px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-ivory);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: 0 16px 30px -14px rgba(10, 29, 59, 0.3);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    padding-inline: var(--space-4);
    transition: max-height 0.28s ease, opacity 0.2s ease, padding 0.28s ease, visibility 0s linear 0.28s;
  }

  .nav-links.is-open {
    max-height: 24rem;
    opacity: 1;
    visibility: visible;
    padding-block: var(--space-3) var(--space-4);
    transition: max-height 0.28s ease, opacity 0.2s ease, padding 0.28s ease, visibility 0s linear 0s;
  }

  .nav-links a {
    padding-block: var(--space-2);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a.btn {
    margin-top: var(--space-3);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85em 1.75em;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-copper);
  border-color: var(--color-copper);
  color: var(--color-navy);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-copper-dark);
  border-color: var(--color-copper-dark);
  color: var(--color-navy);
}

.btn--secondary {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-ivory);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

/* --------------------------------------------------------------------------
   Testimonials carousel
   -------------------------------------------------------------------------- */

.testimonials {
  background: var(--color-ivory);
  padding-block: var(--space-8);
  text-align: center;
}

.testimonials h2 {
  max-width: 34ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.testimonials > .container > .btn {
  margin-top: var(--space-6);
}

.testimonial-carousel {
  max-width: 700px;
  margin-inline: auto;
}

.testimonial-card {
  text-align: center;
  padding: var(--space-6) var(--space-5);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.testimonial-card__stars {
  color: var(--color-copper);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-3);
}

.testimonial-card__quote {
  font-size: clamp(1.15rem, 0.9vw + 0.9rem, 1.4rem);
  line-height: 1.5;
  color: var(--color-navy);
  margin: 0 0 var(--space-4);
}

.testimonial-card__attribution {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-navy-soft);
  opacity: 0.7;
  letter-spacing: 0.02em;
  margin: 0;
}

@keyframes testimonial-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.testimonial-card__stars,
.testimonial-card__quote,
.testimonial-card__attribution {
  animation: testimonial-fade-in 0.45s ease;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.carousel-prev,
.carousel-next {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-navy);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.carousel-prev:hover,
.carousel-next:hover,
.carousel-prev:focus-visible,
.carousel-next:focus-visible {
  border-color: var(--color-navy);
  background: var(--color-navy);
  color: var(--color-ivory);
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid var(--color-navy-soft);
  border-radius: 50%;
  background: transparent;
  opacity: 0.5;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.carousel-dots button:hover,
.carousel-dots button:focus-visible {
  opacity: 1;
}

.carousel-dots button[aria-current="true"] {
  background: var(--color-copper);
  border-color: var(--color-copper);
  opacity: 1;
  transform: scale(1.2);
}

@media (prefers-reduced-motion: reduce) {
  .testimonial-card__stars,
  .testimonial-card__quote,
  .testimonial-card__attribution {
    animation: none;
  }

  .carousel-dots button[aria-current="true"] {
    transform: none;
  }
}

@media (max-width: 520px) {
  .testimonial-card {
    padding: var(--space-5) var(--space-4);
    min-height: 260px;
  }
}

/* --------------------------------------------------------------------------
   Video promo / video grid
   -------------------------------------------------------------------------- */

.video-promo {
  background: var(--color-white);
  padding-block: var(--space-8);
  text-align: center;
}

.video-promo h2 {
  max-width: 34ch;
  margin-inline: auto;
}

.video-promo > .container > p {
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  color: var(--color-navy-soft);
  opacity: 0.85;
}

.video-promo > .container > .btn {
  margin-top: var(--space-6);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  text-align: left;
}

@media (max-width: 960px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

.video-card {
  display: block;
  padding: 0;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover,
.video-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 20px 36px -14px rgba(10, 29, 59, 0.32);
}

.video-card__thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-navy);
}

.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card__duration {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  padding: 0.15em 0.55em;
  border-radius: var(--radius-sm);
  background: rgba(10, 29, 59, 0.8);
  color: var(--color-ivory);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.video-card__title {
  display: block;
  padding: var(--space-4);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Chips
   -------------------------------------------------------------------------- */

.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-steel);
  border-radius: 999px;
  background: rgba(71, 131, 180, 0.08);
  color: var(--color-navy);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Lead-capture forms (Sell / Buy / Book-a-Call pages)
   -------------------------------------------------------------------------- */

.form-page {
  padding-block: var(--space-8);
}

.form-page__inner {
  max-width: 640px;
}

.form-page__inner--split {
  max-width: 880px;
}

.form-page__inner h1 {
  margin-bottom: var(--space-6);
}

.form-page__inner form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-page__inner form[hidden] {
  display: none;
}

.form-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-6);
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

@media (max-width: 700px) {
  .form-columns {
    grid-template-columns: 1fr;
  }
}

.form-note {
  font-size: 0.92rem;
  color: var(--color-navy-soft);
}

.form-note a {
  color: var(--color-navy);
  text-decoration: underline;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-navy);
}

.form-field .required-mark {
  color: #b3261e;
  margin-left: 0.2em;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.75em 0.9em;
  border: 1px solid rgba(71, 131, 180, 0.4);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-navy);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(10, 29, 59, 0.55);
}

.form-field input:hover,
.form-field textarea:hover,
.form-field select:hover {
  border-color: var(--color-steel);
}

.form-field textarea {
  resize: vertical;
  min-height: 3.5em;
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: #b3261e;
}

.field-error {
  display: block;
  min-height: 1.2em;
  font-size: 0.82rem;
  font-weight: 500;
  color: #b3261e;
}

.field-error:empty {
  min-height: 0;
}

.form-page__inner button[type="submit"] {
  margin-top: var(--space-2);
}

.form-success {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  color: var(--color-navy);
  font-size: 1.05rem;
}

/* Inline links on ivory/white backgrounds must not use copper at body-copy
   size (AGENTS.md: reserve copper for large text/buttons). */
.form-success a {
  color: var(--color-navy);
  text-decoration: underline;
}

@media (max-width: 620px) {
  .form-page__inner button[type="submit"] {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 240, 0.8);
  padding-top: var(--space-7);
}

.site-footer a {
  color: var(--color-ivory);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
}

@media (max-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

.site-footer__brand img {
  height: 44px;
  width: auto;
  margin-bottom: var(--space-3);
}

.site-footer__brand p {
  color: rgba(255, 255, 240, 0.7);
  max-width: 28ch;
}

.site-footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 240, 0.35);
  border-radius: 50%;
  color: var(--color-ivory);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.site-footer__social a:hover,
.site-footer__social a:focus-visible {
  background: var(--color-steel);
  border-color: var(--color-steel);
  color: var(--color-ivory);
}

.site-footer__col h3 {
  color: var(--color-ivory);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.site-footer__col a,
.site-footer__col p {
  display: block;
  margin-bottom: var(--space-2);
  text-decoration-color: rgba(255, 255, 240, 0.4);
}

.site-footer__col a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__col a:hover,
.site-footer__col a:focus-visible {
  color: var(--color-steel);
}

.site-footer__col p {
  color: rgba(255, 255, 240, 0.7);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-top: 1px solid rgba(255, 255, 240, 0.15);
  padding-block: var(--space-4);
  font-size: 0.85rem;
  color: rgba(255, 255, 240, 0.6);
}

.site-footer__bottom a {
  color: inherit;
  text-decoration: none;
}