/* ==========================================================================
   RenderFrost SMP — 14 Footer + CTA band
   ========================================================================== */

.cta {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}

/* Same world as the hero: dark artwork echo + frost haze. */
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("../img/background.jpg") 50% 60% / cover no-repeat;
  opacity: 0.27;
  transform: scale(1.03);
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 60% at 50% 50%, rgba(76, 47, 158, 0.26), transparent 70%),
    linear-gradient(180deg, var(--bg-0), rgba(6, 5, 12, 0.82) 48%, var(--bg-0));
}

.cta__inner { display: grid; justify-items: center; gap: 1.35rem; }

.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw + 1rem, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--frost-100);
  max-width: 22ch;
  text-wrap: balance;
}

.cta p { max-width: 48ch; color: var(--text-secondary); margin: 0; }
.cta .btn-row { justify-content: center; }

.footer {
  border-top: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(9, 8, 17, 0.76), var(--bg-0) 58%);
  padding-top: clamp(3rem, 6vw, 4.5rem);
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.footer__brand { display: grid; gap: 1.1rem; align-content: start; }
.footer__mark { display: flex; align-items: center; gap: 0.7rem; }
.footer__mark svg { width: 28px; height: 28px; color: var(--violet-300); flex: none; }

.footer__mark b {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--frost-100);
}

.footer__tag {
  font-size: var(--fs-small);
  color: var(--text-muted);
  max-width: 34ch;
  margin: 0;
  line-height: 1.7;
}

.footer__studio {
  display: grid;
  justify-items: start;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.footer__studio-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: min(100%, 28rem);
  min-height: 5.5rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(81, 151, 255, 0.25);
  border-left: 2px solid rgba(76, 158, 255, 0.7);
  border-radius: var(--r-md);
  background:
    linear-gradient(115deg, rgba(17, 47, 91, 0.55), rgba(11, 19, 42, 0.76) 68%),
    var(--surface-1);
  color: var(--text-primary);
  text-decoration: none;
  transition:
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.footer__studio-card:hover {
  border-color: rgba(91, 166, 255, 0.48);
  background:
    linear-gradient(115deg, rgba(19, 57, 108, 0.66), rgba(13, 23, 49, 0.84) 68%),
    var(--surface-1);
}

.footer__studio-card:focus-visible,
.footer__developer-name:focus-visible {
  outline: 2px solid var(--frost-200);
  outline-offset: 3px;
}

.footer__studio-logo {
  display: block;
  flex: 0 0 3.25rem;
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
}

.footer__studio-copy {
  display: grid;
  min-width: 0;
  gap: 0.22rem;
}

.footer__studio-name {
  color: #eaf3ff;
  font-size: 0.95rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  line-height: 1.2;
}

.footer__studio-description {
  max-width: 34ch;
  color: #bdcbe0;
  font-size: var(--fs-eyebrow);
  line-height: 1.55;
}

.footer__studio-domain {
  color: #7fb8ff;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
}

.footer__developer {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem;
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-eyebrow);
  line-height: 1.6;
}

.footer__developer-label { color: var(--text-faint); }

.footer__developer-name {
  color: #8dbfff;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.footer__developer-name:hover { color: #c5ddff; }

.footer__developer-divider {
  margin-inline: 0.16rem;
  color: var(--text-faint);
}

.footer__cv-unavailable {
  color: var(--text-faint);
  text-decoration: underline dotted;
  text-underline-offset: 0.2em;
  cursor: not-allowed;
}

.footer__col h3 {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.footer__list { list-style: none; display: grid; gap: 0.7rem; }

.footer__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.footer__list a:hover { color: var(--frost-100); }

.footer__ext {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 1px 4px;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.footer__bottom p { margin: 0; }

.backtotop {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.backtotop:hover { color: var(--frost-100); border-color: var(--glass-border-strong); }
.backtotop svg { width: 12px; height: 12px; }