/* ============================================
   Shared Components — Navbar, Footer, WhatsApp
   ============================================ */

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar--transparent {
  background-color: transparent;
}

.navbar--solid {
  background: linear-gradient(90deg, rgba(30, 58, 138, 0.96), rgba(37, 99, 235, 0.92));
  box-shadow: var(--shadow-md);
}

/* Inner pages always solid */
.navbar--page {
  background: linear-gradient(90deg, rgba(30, 58, 138, 0.98), rgba(37, 99, 235, 0.94));
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

@media (min-width: 768px) {
  .navbar__inner {
    padding: 0 var(--space-lg);
  }
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  z-index: 1001;
}

@media (max-width: 359px) {
  .navbar__logo span { display: none; }
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--color-white);
}

.navbar__links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .navbar__links {
    display: flex;
  }
}

.navbar__link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

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

.navbar__link:hover::after,
.navbar__link--active::after {
  width: 100%;
}

.navbar__link--active {
  color: var(--color-white);
}

.navbar__cta {
  display: none;
}

@media (min-width: 768px) {
  .navbar__cta {
    display: inline-flex;
  }
}

/* Hamburger Menu */
.navbar__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  z-index: 1001;
  min-width: 48px;
  min-height: 48px;
  justify-content: center;
}

@media (min-width: 768px) {
  .navbar__hamburger {
    display: none;
  }
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

.navbar__hamburger--active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-dark));
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu--open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

.mobile-menu__link--active {
  color: var(--color-primary);
}

/* --- Footer --- */
.footer {
  background: linear-gradient(180deg, var(--color-secondary), var(--color-primary-dark));
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-3xl) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__brand h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.footer__brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer__heading {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

.footer__link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --- WhatsApp Floating Button --- */
.whatsapp-float {
  position: fixed;
  bottom: max(24px, calc(env(safe-area-inset-bottom) + 12px));
  right: 24px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float__btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__btn svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
}

.whatsapp-float__tooltip {
  background-color: var(--color-white);
  color: var(--color-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* --- Product Card --- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background-color: #ffffff;
  background-image: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card__image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card__image-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.5;
  fill: var(--color-white);
}

.product-card__body {
  padding: var(--space-md);
}

.product-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.product-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.product-card__btn {
  width: 100%;
}

/* --- Category Card (Home Page) --- */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  transition: all var(--transition-base);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.category-card__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}

.category-card:nth-child(2) .category-card__bg {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.category-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
}

.category-card__content {
  position: relative;
  z-index: 1;
  padding: var(--space-lg);
  color: var(--color-white);
  width: 100%;
}

.category-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-sm);
  fill: var(--color-primary);
}

.category-card:nth-child(2) .category-card__icon {
  fill: var(--color-white);
}

.category-card__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.category-card__list {
  font-size: 0.9375rem;
  opacity: 0.9;
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

/* --- Feature Card (Why SafetyTools) --- */
.feature-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
}

.feature-card__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-primary);
}

.feature-card__title {
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.feature-card__text {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* --- Value Card (About Page) --- */
.value-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
}

.value-card__icon svg {
  width: 28px;
  height: 28px;
  fill: var(--color-primary);
}

/* --- Trust Bar --- */
.trust-bar {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-dark));
  padding: var(--space-lg) 0;
  border-top: 3px solid var(--color-primary-light);
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .trust-bar__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-white);
}

.trust-bar__icon {
  width: 40px;
  height: 40px;
  fill: var(--color-primary);
}

.trust-bar__label {
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.9;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: var(--space-3xl) 0;
  text-align: center;
  color: var(--color-white);
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  opacity: 0.9;
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* --- Tabs (Products Page) --- */
.tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.tab-btn--active:hover {
  color: var(--color-white);
}

@media (max-width: 767px) {
  .tabs {
    flex-direction: column;
    align-items: stretch;
  }
  .tab-btn {
    width: 100%;
    text-align: center;
  }
}

.tab-content {
  display: none;
}

.tab-content--active {
  display: block;
}

@media (max-width: 767px) {
  .contact-form .btn[type="submit"],
  .contact-form button[type="submit"] {
    width: 100%;
  }
}

/* --- Contact Form --- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group .error-message {
  color: #E53E3E;
  font-size: 0.8125rem;
  display: none;
}

.form-group--error input,
.form-group--error textarea,
.form-group--error select {
  border-color: #E53E3E;
}

.form-group--error .error-message {
  display: block;
}

/* --- Contact Info Card --- */
.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-accent);
  border-radius: var(--radius-md);
}

.contact-info-card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card__icon svg {
  width: 22px;
  height: 22px;
  fill: var(--color-white);
}

.contact-info-card__title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.contact-info-card__text {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* --- FAQ Accordion --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
  color: var(--color-secondary);
  background: var(--color-white);
  transition: background-color var(--transition-fast);
}

.accordion__header:hover {
  background-color: var(--color-accent);
}

.accordion__icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
}

.accordion__item--open .accordion__icon {
  transform: rotate(180deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion__item--open .accordion__body {
  max-height: 500px;
}

.accordion__content {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Map Container --- */
.map-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.map-container iframe {
  width: 100%;
  height: 350px;
  border: 0;
}

@media (min-width: 768px) {
  .map-container iframe {
    height: 450px;
  }
}

/* --- Split Layout --- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 768px) {
  .split--60-40 {
    grid-template-columns: 3fr 2fr;
  }

  .split--50-50 {
    grid-template-columns: 1fr 1fr;
  }
}