/* ============================================
   THEME - Buttons, Components, Global Visual
   ============================================ */

/* ============================================
   BUTTON SYSTEM
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: var(--fs-sm);
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-align: center;
  justify-content: center;
}

.btn svg {
  flex-shrink: 0;
}

.btn-primary {
  background: var(--clr-fuschia);
  color: var(--clr-white);
  border-color: var(--clr-fuschia);
}

.btn-primary:hover {
  background: var(--clr-fuschia-dark);
  border-color: var(--clr-fuschia-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 67, 147, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--clr-violet-deep);
  border-color: var(--clr-violet-deep);
}

.btn-outline:hover {
  background: var(--clr-violet-deep);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: var(--clr-white);
  color: var(--clr-violet-deep);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--clr-whatsapp);
  color: var(--clr-white);
  border-color: var(--clr-whatsapp);
}

.btn-whatsapp:hover {
  background: var(--clr-whatsapp-dark);
  border-color: var(--clr-whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--fs-base);
  border-radius: var(--radius-lg);
}

.btn-gip-footer {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--clr-fuschia);
  color: var(--clr-white);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-top: var(--space-sm);
  transition: all var(--transition-base);
  border: none;
}

.btn-gip-footer:hover {
  background: var(--clr-fuschia-dark);
  transform: translateY(-2px);
}

.btn-webmail-footer {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: transparent;
  color: var(--clr-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-top: var(--space-xs);
  transition: all var(--transition-base);
}

.btn-webmail-footer:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(45, 11, 78, 0.06);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-lg);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--clr-violet-deep);
}

.logo-subtitle {
  font-size: 0.65rem;
  color: var(--clr-fuschia);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-gray-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--clr-fuschia);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-violet-deep);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1010;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-violet-deep);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--clr-violet-deep);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-4xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo .logo-name {
  color: var(--clr-white);
}

.footer-logo .logo-subtitle {
  color: var(--clr-pink-soft);
}

.footer-matricula {
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
  color: rgba(255, 255, 255, 0.5);
}

.footer-location {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.4);
  margin-top: 0.25rem;
}

.footer-phone {
  margin-top: 0.5rem;
}

.footer-phone a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
}

.footer-phone a:hover {
  color: var(--clr-pink-soft);
}

.footer-links h4,
.footer-services h4,
.footer-access h4 {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: var(--space-lg);
}

.footer-links ul,
.footer-services ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a,
.footer-services a {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
  color: var(--clr-pink-soft);
  padding-left: 4px;
}

.footer-access p {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-sm);
}

.footer-access {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-bottom {
  padding: var(--space-lg) 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.35);
}

.footer-dev a {
  color: var(--clr-fuschia);
  font-weight: 500;
}

.footer-dev a:hover {
  color: var(--clr-fuschia-light);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  background: var(--clr-whatsapp);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45);
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35); }
  50%      { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.5); }
}

/* ============================================
   MOBILE OVERLAY (for menu)
   ============================================ */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 11, 78, 0.3);
  z-index: 990; /* debajo del header (1000), que contiene el menú */
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   RESPONSIVE - TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

/* ============================================
   RESPONSIVE - MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  /* Navigation mobile */
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--clr-white);
    box-shadow: -4px 0 30px rgba(45, 11, 78, 0.1);
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    transition: right var(--transition-base);
    z-index: 1005;
    flex-direction: column;
    overflow-y: auto;
  }

  .main-nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: var(--space-md);
    font-size: var(--fs-md);
    border-bottom: 1px solid var(--clr-gray-border);
    border-radius: 0;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--clr-bg-lila);
  }

  .hamburger {
    display: flex;
  }

  /* Footer mobile */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .footer-access {
    align-items: center;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  /* WhatsApp float mobile */
  .whatsapp-float {
    bottom: var(--space-md);
    right: var(--space-md);
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}