/* ============================================================
   Horsiq — Components
   Nav, footer, buttons, cards, CTA band, forms.
   ============================================================ */

/* ---------- Top navigation ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  padding-block: var(--space-5);
  padding-inline: var(--section-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: transparent;
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              padding var(--duration-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background-color: color-mix(in srgb, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-ink-faint);
  padding-block: var(--space-4);
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-size: 15px;
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__cta { margin-left: var(--space-4); }

.nav__toggle { display: none; }

@media (max-width: 768px) {
  .nav__menu { display: none; }
  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px; height: 22px;
    justify-content: center;
  }
  .nav__toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-ink);
    transition: transform var(--duration-base) var(--ease-out),
                opacity var(--duration-fast) var(--ease-out);
  }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .nav.is-open .nav__menu {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-5);
    position: fixed;
    inset: 0;
    background-color: var(--color-paper);
    padding: var(--section-px);
    padding-top: 96px;
  }
  .nav.is-open .nav__link { font-size: var(--text-h3); font-family: var(--font-display); }
  .nav__cta { margin-left: 0; }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--primary {
  background-color: var(--color-ink);
  color: var(--color-paper);
}
.btn--primary:hover {
  background-color: var(--color-ink-soft);
  color: var(--color-paper);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--ghost:hover {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

.btn--text {
  padding: 0;
  background: none;
  color: var(--color-ink);
  border-radius: 0;
  border-bottom: 1px solid var(--color-ink);
  padding-bottom: 4px;
}
.btn--text:hover { color: var(--color-ink-muted); border-color: var(--color-ink-muted); }

.btn--large { padding: 18px 36px; font-size: 16px; }

/* Arrow for buttons */
.btn__arrow {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-out);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ---------- CTA band (full-width band, usually dark) ---------- */

.cta-band {
  background-color: var(--color-dark);
  color: var(--color-dark-paper);
  padding-block: clamp(56px, 9vh, 120px);
  text-align: center;
}
.cta-band h2 {
  color: var(--color-dark-paper);
  margin-bottom: var(--space-6);
  font-size: var(--text-display-md);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-heading);
}
.cta-band .btn--primary {
  background-color: var(--color-dark-paper);
  color: var(--color-dark);
}
.cta-band .btn--primary:hover {
  background-color: var(--color-paper-cool);
  color: var(--color-dark);
}

/* ---------- Service card (Home services grid) ---------- */

.service-card {
  display: block;
  padding: var(--space-7) var(--space-6);
  border-top: var(--border-strong);
  color: var(--color-ink);
  position: relative;
  transition: padding var(--duration-base) var(--ease-out);
}
.service-card:hover { background-color: var(--color-paper-warm); padding-inline: var(--space-7); }
.service-card:hover .service-card__arrow { transform: translate(8px, -8px); }

.service-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-5);
  color: var(--color-ink);
  display: block;
  transition: transform var(--duration-base) var(--ease-out);
}
.service-card:hover .service-card__icon { transform: translateY(-2px); }

.service-card__num {
  display: none;
}
.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--space-4);
  color: var(--color-ink);
}
.service-card__desc {
  font-size: var(--text-body);
  color: var(--color-ink-soft);
  max-width: 56ch;
}
.service-card__arrow {
  position: absolute;
  top: var(--space-7);
  right: var(--space-6);
  font-size: 24px;
  transition: transform var(--duration-base) var(--ease-out);
}

/* Services grid wrapper — 3 cols × 3 rows for 9 services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: var(--border-strong);
}
.services-grid .service-card {
  border-right: var(--border-thin);
}
.services-grid .service-card:nth-child(3n) { border-right: 0; }

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid .service-card { border-right: var(--border-thin); }
  .services-grid .service-card:nth-child(3n) { border-right: var(--border-thin); }
  .services-grid .service-card:nth-child(2n) { border-right: 0; }
}
@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
  .services-grid .service-card,
  .services-grid .service-card:nth-child(2n),
  .services-grid .service-card:nth-child(3n) { border-right: 0; }
  .service-card__title { font-size: var(--text-h3); }
}

/* ---------- Editorial list (Services overview) ---------- */

.editorial-list { list-style: none; padding: 0; margin: 0; }
.editorial-list__item {
  display: grid;
  grid-template-columns: 100px 1fr 60px;
  gap: var(--space-6);
  align-items: start;
  padding-block: var(--space-8);
  border-top: var(--border-thin);
  transition: padding-left var(--duration-base) var(--ease-out);
}
.editorial-list__item:last-child { border-bottom: var(--border-thin); }
.editorial-list__item:hover { padding-left: var(--space-4); }

.editorial-list__num {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-ink-muted);
  padding-top: 8px;
}
.editorial-list__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--space-4);
}
.editorial-list__title a { color: var(--color-ink); }
.editorial-list__desc {
  font-size: var(--text-lead);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-4);
  max-width: 64ch;
}
.editorial-list__link {
  display: inline-block;
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.editorial-list__arrow {
  padding-top: 8px;
  font-size: 24px;
  text-align: right;
  color: var(--color-ink-muted);
  transition: transform var(--duration-base) var(--ease-out), color var(--duration-base);
}
.editorial-list__item:hover .editorial-list__arrow {
  transform: translateX(8px);
  color: var(--color-ink);
}

@media (max-width: 768px) {
  .editorial-list__item {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding-block: var(--space-7);
  }
  .editorial-list__num { padding-top: 0; }
  .editorial-list__title { font-size: var(--text-h3); }
  .editorial-list__desc { font-size: var(--text-body); }
  .editorial-list__arrow { display: none; }
}

/* ---------- Footer ---------- */

.footer {
  background-color: var(--color-paper);
  border-top: var(--border-strong);
  padding-top: var(--space-9);
  padding-bottom: var(--space-6);
  padding-inline: var(--section-px);
}

.footer__wordmark {
  font-family: var(--font-display);
  font-size: clamp(80px, 18vw, 260px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-ink);
  margin-bottom: var(--space-8);
  text-wrap: nowrap;
  overflow: hidden;
}

.footer__cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-7);
  padding-top: var(--space-7);
  border-top: var(--border-thin);
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-4);
  font-weight: var(--weight-medium);
}

.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col a {
  font-size: var(--text-body);
  color: var(--color-ink);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  margin-top: var(--space-7);
  border-top: var(--border-thin);
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

@media (max-width: 768px) {
  .footer__cols { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); align-items: flex-start; }
}