/* NEXUM - Mobile & Touch Optimization Enhancements */

/* Smooth touch behavior & prevent horizontal scroll leakage */
html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden !important;
  position: relative;
  -webkit-tap-highlight-color: rgba(231, 94, 24, 0.15);
}

@media (max-width: 768px) {
  * {
    box-sizing: border-box !important;
  }
  .container {
    width: 100% !important;
    max-width: 100% !important;
    padding-inline: 18px !important;
    margin-inline: auto !important;
    box-sizing: border-box !important;
  }
  .header-inner {
    width: 100% !important;
    max-width: 100% !important;
    min-height: 64px !important;
    padding-inline: 16px !important;
    gap: 12px !important;
    box-sizing: border-box !important;
  }
  .brand {
    width: 160px !important;
    max-width: 55vw !important;
    flex-shrink: 0 !important;
  }
  .brand img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
  }
  .menu-toggle {
    width: 42px !important;
    height: 42px !important;
    flex-shrink: 0 !important;
  }
  .hero-full {
    width: 100% !important;
    max-width: 100vw !important;
    overflow: hidden !important;
    position: relative !important;
  }
  .hero-backgrounds, .hero-slide {
    width: 100% !important;
    max-width: 100% !important;
  }
  .hero-slide img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }
  img {
    max-width: 100% !important;
    height: auto !important;
  }
  .portfolio-grid,
  .seal-grid,
  .about-grid,
  .contact-grid,
  .response-block,
  .assessment-inner,
  .service-detail {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}

/* Prevent body scrolling when mobile menu or modal is open */
body.menu-open {
  overflow: hidden !important;
  touch-action: none;
}

/* Mobile Header & Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  border: 1.5px solid var(--line, #e2ded5);
  background: #ffffff;
  cursor: pointer;
  transition: all 0.25s ease;
  z-index: 1001;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.menu-toggle:active {
  transform: scale(0.94);
  background: #f8f6f0;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink, #3c3c3b);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Animated hamburger when open */
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Backdrop when menu is open */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(18, 23, 19, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 990;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mobile-nav-backdrop.active {
  display: block;
  opacity: 1;
}

/* Ensure site-header is always above backdrop */
.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
}

/* Mobile Navigation Dropdown */
@media (max-width: 1100px) {
  .menu-toggle {
    display: flex !important;
    z-index: 1002 !important;
  }

  .site-header #main-nav {
    display: none !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: #ffffff !important;
    border-top: 1px solid #e9e6df !important;
    border-bottom: 3px solid var(--brand-orange, #e75e18) !important;
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.18) !important;
    padding: 16px 20px 24px !important;
    flex-direction: column !important;
    gap: 4px !important;
    max-height: calc(100dvh - 80px) !important;
    overflow-y: auto !important;
    overscroll-behavior: contain !important;
    box-sizing: border-box !important;
    z-index: 1001 !important;
    transform: none !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .site-header #main-nav.open {
    display: flex !important;
    animation: menuSlideDown 0.22s ease-out forwards !important;
  }

  @keyframes menuSlideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .site-header #main-nav a {
    display: flex !important;
    align-items: center !important;
    padding: 13px 16px !important;
    font-size: 1.05rem !important;
    font-weight: 500 !important;
    color: var(--ink, #3c3c3b) !important;
    border-radius: 8px !important;
    min-height: 48px !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04) !important;
    transition: background-color 0.15s ease, color 0.15s ease !important;
    box-sizing: border-box !important;
  }

  .site-header #main-nav a:hover,
  .site-header #main-nav a:active {
    background: #f8f6f0 !important;
    color: var(--brand-orange, #e75e18) !important;
  }

  .site-header #main-nav .nav-contact {
    margin-top: 14px !important;
    background: var(--brand-orange, #e75e18) !important;
    color: #ffffff !important;
    justify-content: center !important;
    font-weight: 600 !important;
    border-bottom: none !important;
    box-shadow: 0 4px 12px rgba(231, 94, 24, 0.25) !important;
  }

  .site-header #main-nav .nav-contact:active {
    background: #cf4f12 !important;
  }
}

@media (min-width: 1101px) {
  .site-header #main-nav {
    display: flex !important;
    visibility: visible !important;
    pointer-events: auto !important;
    position: static !important;
    transform: none !important;
    width: auto !important;
    height: auto !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
}

/* Topbar enhancements on small devices */
@media (max-width: 520px) {
  .topbar .container {
    flex-direction: column;
    text-align: center;
    gap: 4px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .topbar .container > span,
  .topbar a {
    max-width: 100% !important;
    text-align: center !important;
  }
}

/* Hero gestures & touch responsiveness */
.hero-full {
  touch-action: pan-y pinch-zoom;
}

@media (max-width: 768px) {
  .hero-slider-controls {
    width: 100% !important;
    overflow: hidden !important;
  }
}

/* Touch feedback on buttons & links */
.button, .text-link, .portfolio-card, .service-card, .accordion summary {
  touch-action: manipulation;
}

.button:active {
  transform: translateY(1px) scale(0.98);
}

/* Form Inputs Mobile Friendly (Prevent auto-zoom on iOS Safari) */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select,
textarea {
  font-size: 16px !important;
  border-radius: 8px !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-orange, #e75e18) !important;
  box-shadow: 0 0 0 3px rgba(231, 94, 24, 0.18) !important;
}

/* Form status alerts */
.form-status-alert {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.92rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeIn 0.3s ease;
}

.form-status-alert.success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
}

.form-status-alert.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dialog Mobile Bottom Sheet Style */
@media (max-width: 640px) {
  dialog {
    margin-top: auto;
    margin-bottom: 0;
    width: 100vw !important;
    max-width: 100vw !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-top-left-radius: 20px !important;
    border-top-right-radius: 20px !important;
    padding: 24px 20px calc(24px + env(safe-area-inset-bottom)) !important;
    max-height: 92dvh !important;
  }

  .dialog-close {
    position: sticky;
    top: 0;
    float: right;
    margin-top: -8px;
    margin-right: -6px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f2efe9;
    border: none;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }

  .answer-options label {
    min-height: 48px;
    display: flex;
    align-items: center;
    border-radius: 8px;
    border: 1px solid var(--line, #e2ded5);
    background: #ffffff;
    cursor: pointer;
  }
}

/* ==========================================================================
   Mobile Bottom Action Bar (Botonera de Contacto Rápido Móvil)
   ========================================================================== */
.mobile-contact-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 990;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(60, 60, 59, 0.12);
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.08);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

@media (max-width: 768px) {
  body {
    padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px)) !important;
  }
  .mobile-contact-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }
}

.mobile-bar-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
  letter-spacing: 0.2px;
}

/* WhatsApp: Professional Emerald */
.mobile-bar-btn.btn-whatsapp {
  background: #15803d;
  color: #ffffff !important;
  box-shadow: 0 2px 8px rgba(21, 128, 61, 0.25);
}

.mobile-bar-btn.btn-whatsapp:active {
  background: #166534;
  transform: scale(0.97);
}

/* Correo Electrónico: Brand Orange */
.mobile-bar-btn.btn-email {
  background: var(--brand-orange, #e75e18);
  color: #ffffff !important;
  box-shadow: 0 2px 8px rgba(231, 94, 24, 0.25);
}

.mobile-bar-btn.btn-email:active {
  background: #cf4f12;
  transform: scale(0.97);
}

/* Formulario / Consulta */
.mobile-bar-btn.btn-form {
  background: #f4f2ec;
  color: var(--ink, #3c3c3b) !important;
  border: 1px solid #dedbd2;
}

.mobile-bar-btn.btn-form:active {
  background: #eae6dc;
  transform: scale(0.97);
}

.mobile-bar-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}