/* ==========================================================================
   LAYOUT
   Structural rules: containers, header, footer, section spacing, grids.
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 760px;
}

section {
  padding-block: var(--space-6);
}

@media (max-width: 640px) {
  section {
    padding-block: var(--space-5);
  }
}

.section--tight {
  padding-block: var(--space-5);
}

.section--surface {
  background-color: var(--color-surface);
}

.section--ink {
  background-color: var(--color-ink);
  color: var(--color-text-on-dark);
}

.section--ink h2,
.section--ink h3 {
  color: var(--color-text-on-dark);
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.section-head.center {
  margin-inline: auto;
}

/* ---- Site header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  height: var(--header-height);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.site-header__brand img {
  height: 36px;
  width: auto;
}

.site-header__brand-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.15;
}

.site-header__brand-text span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 400;
}

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

.site-nav__list {
  display: flex;
  gap: var(--space-4);
}

.site-nav__list a {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding-block: var(--space-1);
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  border-color: var(--color-brass);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  white-space: nowrap;
}

.header-phone svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-brass-dark);
}

.nav-toggle {
  display: none;
  padding: var(--space-1);
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
}

/* ---- Mobile header ---- */
@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-4) var(--container-pad);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-standard),
                transform var(--duration-base) var(--ease-standard);
    gap: var(--space-4);
  }

  .site-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    gap: var(--space-3);
  }

  .site-nav__list a {
    font-size: 1.1rem;
    display: block;
  }

  .site-header__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (min-width: 861px) {
  .nav-toggle { display: none; }
}

/* ---- Sticky mobile CTA bar ---- */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: none;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  padding: var(--space-2) var(--container-pad);
  gap: var(--space-2);
  box-shadow: 0 -4px 16px rgba(27, 42, 56, 0.08);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-standard);
}

.mobile-cta-bar.is-visible {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .mobile-cta-bar {
    display: flex;
  }
  body {
    padding-bottom: 76px; /* room for the bar so footer isn't hidden */
  }
}

.mobile-cta-bar a {
  flex: 1;
  text-align: center;
}

/* ---- Footer ---- */
.site-footer {
  background-color: var(--color-ink);
  color: var(--color-text-on-dark-secondary);
  padding-block: var(--space-6) var(--space-4);
}

.site-footer a {
  color: var(--color-text-on-dark-secondary);
}

.site-footer a:hover {
  color: var(--color-text-on-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(245, 246, 244, 0.12);
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.footer-brand img {
  height: 32px;
  margin-bottom: var(--space-2);
}

.footer-brand p {
  max-width: 340px;
  font-size: var(--fs-small);
  line-height: var(--lh-body);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.footer-links li {
  margin-bottom: var(--space-2);
  font-size: var(--fs-small);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 246, 244, 0.2);
  border-radius: 50%;
  transition: border-color var(--duration-fast) var(--ease-standard),
              background-color var(--duration-fast) var(--ease-standard);
}

.footer-social a:hover {
  border-color: var(--color-brass);
  background-color: rgba(184, 134, 63, 0.12);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  padding-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 0.8rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-disclaimer {
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(174, 186, 195, 0.7);
  margin-top: var(--space-4);
  max-width: 900px;
}

/* ---- Grid helpers ---- */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 860px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}