/* ==========================================================================
   KANCHI CATERING & EVENTS (காஞ்சி கேட்டரிங் & ஈவென்ட்ஸ்)
   Responsive Stylesheet (css/responsive.css)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Mobile Navigation Drawer
   -------------------------------------------------------------------------- */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 200;
  visibility: hidden;
  pointer-events: none;
  transition: visibility var(--transition-normal);
}

.mobile-drawer.is-open {
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(13, 56, 36, 0.65);
  opacity: 0;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: opacity var(--transition-normal);
}

.mobile-drawer.is-open .mobile-drawer__backdrop {
  opacity: 1;
}

.mobile-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 84%;
  max-width: 380px;
  height: 100%;
  background-color: var(--color-cream);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
  overflow-y: auto;
}

.mobile-drawer.is-open .mobile-drawer__panel {
  transform: translateX(0);
}

.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer__close {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green-950);
  border-radius: 50%;
  background-color: var(--color-sand);
  transition: background-color var(--transition-fast);
}

.mobile-drawer__close:hover {
  background-color: var(--color-gold);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-green-950);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(232, 222, 201, 0.5);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-maroon);
}

.mobile-nav-link.active::after {
  content: '•';
  color: var(--color-gold-dark);
  font-size: 1.8rem;
  line-height: 1;
}

.mobile-drawer__footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.mobile-drawer__phones {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-drawer__phone-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  font-weight: 700;
}

.mobile-phone-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-green);
}

.mobile-phone-link i {
  width: 16px;
  height: 16px;
  color: var(--color-gold-dark);
}

/* --------------------------------------------------------------------------
   2. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-section__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-features {
    justify-content: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    max-width: 640px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout,
  .booking-layout,
  .booking-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 860px) {
  .top-bar {
    display: none;
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .section {
    padding: 70px 0;
  }

  .page-hero {
    padding: 60px 0 45px 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .menu-grid {
    grid-template-columns: 1fr;
  }

  .menu-action-banner {
    flex-direction: column;
    text-align: center;
  }

  .menu-action-banner__content {
    flex-direction: column;
    text-align: center;
  }

  .lightbox__btn--prev {
    left: 10px;
  }

  .lightbox__btn--next {
    right: 10px;
  }

  .about-story-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .section-title {
    font-size: 2.1rem;
  }

  .page-hero__title {
    font-size: 2.2rem;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-features {
    grid-template-columns: 1fr;
    gap: 14px;
    text-align: left;
  }

  .hero-float-card--top {
    left: 10px;
    top: 10px;
  }

  .hero-float-card--bottom {
    right: 10px;
    bottom: 10px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-card,
  .booking-form-card {
    padding: 24px 20px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .floating-whatsapp-tooltip {
    display: none;
  }
}