/* PIZCA Consult - Layout & Components */

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.logo img,
.logo svg {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  object-fit: contain;
}

.logo span {
  white-space: nowrap;
}

.logo .accent {
  color: var(--color-accent);
}

/* Navigation */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  touch-action: manipulation;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: var(--space-8);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 99;
}

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

.nav-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu li {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-menu a {
  display: block;
  padding: var(--space-4);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.nav-menu a:hover {
  color: var(--color-accent);
  background: var(--color-bg-alt);
}

.nav-menu .btn {
  margin-top: var(--space-4);
  width: 100%;
  text-align: center;
  padding: var(--space-3) var(--space-4);
}

/* Services dropdown (mobile: expandable) – link and toggle on same row */
.nav-menu .nav-item-has-children {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.nav-menu .nav-item-has-children > a {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
}
/* On mobile, hide the arrow in the link so only the toggle button shows one icon */
.nav-menu .nav-item-has-children > a .dropdown-arrow {
  display: none;
}
.nav-menu .nav-item-has-children .dropdown-toggle {
  flex: 0 0 auto;
  padding: var(--space-4);
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
}
/* Services mega menu (mobile: expandable block) */
.nav-menu .nav-mega-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
}
.nav-menu .nav-mega-inner {
  padding: var(--space-4);
}
.nav-menu .nav-mega-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0 0 var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.nav-menu .nav-mega-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}
.nav-menu .nav-mega-grid a {
  padding: var(--space-2) var(--space-3);
  padding-left: var(--space-4);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}
.nav-menu .nav-mega-cta {
  display: inline-block;
  margin-top: var(--space-4);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
}
.nav-menu .nav-item-has-children.is-open .nav-mega-menu {
  display: block;
}
.nav-menu .nav-item-has-children:not(.is-open) .nav-mega-menu {
  display: none;
}
.nav-menu .dropdown-arrow {
  transition: transform var(--transition-base);
  display: inline-block;
}
.nav-menu .nav-item-has-children.is-open .dropdown-arrow {
  transform: rotate(180deg);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    position: static;
    transform: none;
    padding: 0;
    overflow: visible;
    background: transparent;
  }
  
  .nav-menu ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
  
  .nav-menu li {
    border: none;
  }
  
  .nav-menu a {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
  }
  
  .nav-menu .btn {
    margin-top: 0;
    margin-left: var(--space-2);
    width: auto;
  }
  
  /* Services dropdown (desktop) */
  .nav-menu .nav-item-has-children {
    position: relative;
  }
  .nav-menu .nav-item-has-children > a .dropdown-arrow {
    display: inline-block;
    margin-left: var(--space-1);
    font-size: 0.7em;
  }
  .nav-menu .nav-item-has-children .dropdown-toggle {
    display: none;
  }
  .nav-menu .nav-item-has-children .nav-mega-menu {
    display: block;
  }
  /* Mega menu desktop: full-width panel (shown via .is-open from JS hover/click) */
  .nav-menu .nav-mega-menu {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    top: 100%;
    width: 100vw;
    margin-top: 0;
    padding: var(--space-8) var(--space-4);
    background: var(--color-bg);
    border: none;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: 110;
    border-left: none;
  }
  .nav-menu .nav-item-has-children.is-open .nav-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .nav-menu .nav-mega-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0;
  }
  .nav-menu .nav-mega-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--color-accent);
    text-transform: none;
    letter-spacing: 0;
  }
  .nav-menu .nav-mega-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2) var(--space-8);
  }
  .nav-menu .nav-mega-grid a {
    padding: var(--space-2) 0;
    border-radius: 0;
    border-bottom: none;
  }
  .nav-menu .nav-mega-grid a:hover {
    color: var(--color-accent);
    background: transparent;
  }
  .nav-menu .nav-mega-cta {
    margin-top: var(--space-6);
    padding: var(--space-2) 0;
    display: inline-block;
  }
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  min-height: 48px;
  min-width: 44px;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  min-height: 48px;
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

/* Section spacing */
.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--alt {
  background-color: var(--color-bg-alt);
  background-image: linear-gradient(
    125deg,
    transparent 0%,
    rgba(13, 34, 55, 0.02) 50%,
    transparent 100%
  );
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-title h2 {
  margin-bottom: var(--space-3);
}

.section-title p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover {
  color: var(--color-accent-light);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
  }
}

.footer-brand p {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
}

.footer-links h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin: 0 0 var(--space-2);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
}

/* WhatsApp chat button */
.whatsapp-float {
  position: fixed;
  bottom: calc(56px + var(--space-6) + var(--space-4));
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: transform var(--transition-base), background var(--transition-base);
}
.whatsapp-float:hover {
  background: #20bd5a;
  transform: scale(1.05);
  color: #fff;
}
.whatsapp-float:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

/* Chatbot placeholder */
.chatbot-placeholder {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: transform var(--transition-base), background var(--transition-base);
}

.chatbot-placeholder:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.chatbot-placeholder svg {
  width: 28px;
  height: 28px;
}

.chatbot-placeholder span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

.chatbot-placeholder:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Chat panel (AI chat – services & contact) */
.pizca-chat-panel {
  position: fixed;
  bottom: calc(56px + var(--space-6) + 56px + var(--space-4));
  right: var(--space-6);
  width: 340px;
  max-width: calc(100vw - var(--space-8));
  max-height: 420px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  z-index: 55;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.96);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.pizca-chat-panel.pizca-chat-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.pizca-chat-header {
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.pizca-chat-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 var(--space-1);
  opacity: 0.9;
}

.pizca-chat-close:hover {
  opacity: 1;
}

.pizca-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  min-height: 160px;
  max-height: 280px;
}

.pizca-chat-msg {
  margin-bottom: var(--space-3);
}

.pizca-chat-quickreplies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}

.pizca-chat-quickreply {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.pizca-chat-quickreply:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.pizca-chat-msg-inner {
  display: inline-block;
  max-width: 90%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.pizca-chat-msg-user .pizca-chat-msg-inner {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  margin-left: auto;
  display: block;
}

.pizca-chat-msg-inner a {
  color: var(--color-accent);
  text-decoration: underline;
}

.pizca-chat-msg-inner a:hover {
  color: var(--color-accent-dark);
}

.pizca-chat-msg-user .pizca-chat-msg-inner a {
  color: rgba(255,255,255,0.95);
}

.pizca-chat-input-wrap {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pizca-chat-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.pizca-chat-send {
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.pizca-chat-send:hover {
  background: var(--color-accent-dark);
  color: var(--color-primary-dark);
}