/* ============================================================
   Header, footer, buttons, cards, marquee
   ============================================================ */

/* -------- Site header -------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: #ffffff;
}
.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  height: var(--header-h);
}

/* SDC logo mark — per Brand Manual.
   Orange institutional square with "S | DC" in serif white,
   plus "Legal & Notarial" tagline (Helvetica, letter-spaced). */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.brand__mark {
  display: inline-flex;
  align-items: stretch;
  background: var(--brand);
  color: #fff;
  padding: 4px 10px;
  gap: 8px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.02em;
  border-radius: 1px;
}
.brand__mark .brand__s,
.brand__mark .brand__dc {
  display: inline-flex;
  align-items: center;
}
.brand__mark .brand__bar {
  width: 1px;
  background: rgba(255,255,255,0.55);
}
.brand__word {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.brand__word em { font-style: normal; }

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2vw, var(--space-6));
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.005em;
  position: relative;
  padding-block: var(--space-2);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav a.is-active { color: var(--ink); }

.header-aside {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.lang-switch a, .lang-switch span {
  padding: 4px 7px;
}
.lang-switch .is-active {
  color: var(--ink);
  border-bottom: 1px solid var(--brand);
}
.lang-switch span.sep { padding-inline: 2px; color: var(--ink-4); }

.lang-switch--nav {
  display: none;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  width: 22px; height: 1.5px;
  background: var(--ink);
  position: relative;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 1.5px; background: var(--ink);
  transition: transform .3s var(--ease);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top:  7px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--space-7) var(--gutter) var(--space-9);
    gap: var(--space-5);
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .2s;
    border-bottom: 1px solid var(--line);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { font-family: var(--font-display); font-size: var(--fs-h4); color: var(--ink); }
  .nav a::after { display: none; }
  .lang-switch--desktop { display: none; }
  .lang-switch--nav {
    display: inline-flex;
    margin-top: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line-light, rgba(0, 0, 0, 0.08));
    width: 100%;
  }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 16px 26px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .2s var(--ease);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
}
.btn .arrow {
  width: 18px; height: 1px; background: currentColor;
  position: relative;
  transition: width .3s var(--ease);
}
.btn .arrow::after {
  content: ""; position: absolute; right: 0; top: 50%;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.btn:hover .arrow { width: 26px; }
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--brand-deep); color: #fff; }
.btn--brand {
  background: var(--brand);
  color: #fff;
}
.btn--brand:hover { background: var(--brand-deep); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--bg); }
.btn--text {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
}
.btn--text:hover { color: var(--brand-deep); border-color: var(--brand-deep); }

/* -------- Footer -------- */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.75);
  padding-block: var(--space-9) var(--space-6);
  margin-top: var(--space-9);
}
.site-footer h6, .site-footer .footer-title {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: var(--space-4);
  display: block;
}
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: var(--brand); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-7);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-statement {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-top: var(--space-5);
}
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); font-size: 14px; }
.footer-list ul, .footer-list ol { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.footer-list li { list-style: none; margin: 0; padding: 0; }
.footer-list a { color: rgba(255,255,255,0.75); text-decoration: none; }
.footer-list a:hover { color: var(--brand); }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--space-5);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: var(--space-4);
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* -------- Reveal animations -------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* Page intro band */
.page-intro {
  padding-top: calc(var(--header-h) + var(--space-9));
  padding-bottom: var(--space-8);
  background: var(--bg);
}
.page-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-7);
  align-items: end;
}
.page-intro__grid h1 { font-size: var(--fs-h1); font-variation-settings: "opsz" 144, "SOFT" 50; }
.page-intro__grid p { font-size: var(--fs-lead); color: var(--ink-2); max-width: 56ch; }
@media (max-width: 780px) {
  .page-intro__grid { grid-template-columns: 1fr; gap: var(--space-5); }
}

/* Section heading */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-7);
  align-items: end;
  margin-bottom: var(--space-8);
}
.section-head h2 { font-size: 36px; line-height: 1.1; letter-spacing: -0.02em; font-variation-settings: "opsz" 144, "SOFT" 40; }
.section-head h2 strong, .section-head h2 b { color: var(--brand); font-weight: inherit; }
/* Brand-colored emphasis applies globally to page headings */
h1 strong, h1 b, h2 strong, h2 b { color: var(--brand); font-weight: inherit; }
/* Standardize all top-level section headings to 36px */
main h2 { font-size: 36px; line-height: 1.15; letter-spacing: -0.02em; }
main .prose h2 { font-size: 28px; }
.section-head p { color: var(--ink-3); max-width: 52ch; }
@media (max-width: 780px) {
  .section-head { grid-template-columns: 1fr; gap: var(--space-4); }
}