/* ============================================================
   INSTITUTO SANTA ROSA CENTRAL - Layout (Header, Footer)
   ============================================================ */

/* ===========================
   PRE-HEADER
   =========================== */
.preheader {
  background-color: var(--bg-preheader);
  color: rgba(255,255,255,0.80);
  height: var(--preheader-height);
  display: flex;
  align-items: center;
  z-index: var(--z-preheader);
  position: relative;
}

.preheader__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-4);
}

.preheader__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.preheader__link {
  color: rgba(255,255,255,0.75);
  font-size: 0.72rem;
  font-weight: var(--font-weight-medium);
  padding: var(--space-1) var(--space-3);
  border-right: 1px solid rgba(255,255,255,0.2);
  transition: color var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.preheader__link:last-child { border-right: none; }
.preheader__link:hover { color: var(--color-white); }

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

.preheader__contact {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.preheader__contact svg {
  width: 13px;
  height: 13px;
  fill: var(--color-accent);
}

/* ===========================
   HEADER
   =========================== */
.site-header {
  background-color: var(--bg-header);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* === LOGO === */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo img {
  height: 58px;
  width: auto;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 1rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.logo-subtitle {
  font-size: 0.65rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* === NAV === */
.header__nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav__menu {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
}

.nav__item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-4);
  height: 100%;
  font-size: 0.82rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 3px;
  background-color: var(--color-primary);
  transition: left var(--transition-base), right var(--transition-base);
}

.nav__item:hover .nav__link,
.nav__item.active .nav__link {
  color: var(--color-primary);
}

.nav__item:hover .nav__link::after,
.nav__item.active .nav__link::after {
  left: 0;
  right: 0;
}

.nav__link .nav-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--transition-base);
}

.nav__item:hover .nav-arrow {
  transform: rotate(-135deg);
  margin-top: 3px;
}

/* === DROPDOWN === */
.nav__dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 240px;
  background: var(--color-white);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
  border-top: 3px solid var(--color-primary);
  z-index: var(--z-dropdown);
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-item {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: 0.82rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.nav__dropdown-item:hover {
  color: var(--color-primary);
  background-color: rgba(200,16,46,0.04);
  border-left-color: var(--color-primary);
  padding-left: calc(var(--space-5) + 4px);
}

.nav__dropdown-item:first-child { border-radius: 0; }
.nav__dropdown-item:last-child { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* === HEADER CTA BUTTONS === */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.btn-q10 {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid var(--color-secondary);
}

.btn-q10:hover {
  background-color: transparent;
  color: var(--color-secondary);
  transform: translateY(-1px);
}

.btn-informes {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  animation: pulse-cta 3s ease infinite;
}

.btn-informes:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-red);
}

@keyframes pulse-cta {
  0%, 90%, 100% { transform: scale(1); }
  95%           { transform: scale(1.03); }
}

/* === HAMBURGER === */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover { background: var(--color-gray-100); }

.hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === MOBILE NAV === */
.mobile-nav {
  display: none;
  position: fixed;
  top: calc(var(--preheader-height) + var(--header-height));
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: calc(var(--z-header) - 1);
  overflow-y: auto;
  padding: var(--space-6);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-2);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
}

.mobile-nav__link:hover { color: var(--color-primary); }

.mobile-nav__toggle {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
}

.mobile-nav__toggle.open { transform: rotate(180deg); }

.mobile-nav__submenu {
  display: none;
  padding: 0 var(--space-4) var(--space-4);
}

.mobile-nav__submenu.open { display: block; }

.mobile-nav__sublink {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  border-left: 3px solid var(--color-primary);
  margin-bottom: var(--space-1);
  padding-left: var(--space-4);
  transition: all var(--transition-fast);
}

.mobile-nav__sublink:hover {
  color: var(--color-primary);
  padding-left: calc(var(--space-4) + 4px);
}

.mobile-nav__actions {
  padding: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}


/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background-color: var(--color-secondary);
  color: rgba(255,255,255,0.80);
}

.footer__top {
  padding: var(--space-16) 0 var(--space-12);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

.footer__brand {
  grid-column: 1;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer__logo img {
  height: 55px;
  width: auto;
  opacity: 1;
}

.footer__logo-text {
  display: flex;
  flex-direction: column;
}

.footer__logo-text .logo-subtitle {
  color: var(--color-white);
  font-size: 0.62rem;
  opacity: 0.85;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.2;
}

.footer__logo-text .logo-name {
  color: var(--color-white);
  font-size: 1.15rem;
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.1;
  margin-top: 2px;
}

.footer__desc {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer__social-link svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.footer__col-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

.footer__col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

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

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  padding: var(--space-1) 0;
}

.footer__link::before {
  content: '›';
  color: var(--color-primary);
  font-size: 1.1rem;
  line-height: 1;
  font-weight: bold;
  transition: transform var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__link:hover::before {
  transform: translateX(3px);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
}

.footer__contact-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  fill: var(--color-primary);
  margin-top: 2px;
}

.footer__contact-item a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}

.footer__contact-item a:hover {
  color: var(--color-white);
}

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin: 0;
}

.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer__bottom-link {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover { color: rgba(255,255,255,0.80); }

.footer__acredita {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__acredita strong {
  color: var(--color-accent);
}