/* ==========================================================================
   DHANWIN INTERNATIONAL 
   ========================================================================== */

:root {
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-smooth: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out-back: cubic-bezier(0.34, 1.3, 0.64, 1);
  --shadow-card-hover: 0 16px 36px rgba(6, 17, 36, 0.09), 0 4px 10px rgba(6, 17, 36, 0.04);
  --shadow-btn-hover: 0 6px 18px rgba(217, 155, 38, 0.28);
  --shadow-navy-hover: 0 6px 18px rgba(6, 17, 36, 0.22);
}


@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-micro-tag,
.hero-badge {
  animation: heroFadeUp 0.45s var(--ease-smooth) 0.04s backwards;
}

.hero-title,
.hero-title-main,
.hero-title-sub,
.about-hero-title {
  animation: heroFadeUp 0.55s var(--ease-smooth) 0.1s backwards;
}

.hero-subtitle,
.hero-desc,
.about-hero-desc {
  animation: heroFadeUp 0.5s var(--ease-smooth) 0.18s backwards;
}

.hero-actions,
.hero-cta-group {
  animation: heroFadeUp 0.45s var(--ease-smooth) 0.26s backwards;
}

.trust-bar-section .trust-card,
#quote-trust-bar .trust-card {
  animation: heroFadeUp 0.45s var(--ease-smooth) 0.32s backwards;
}

/* ==========================================================================
   1. TOP SCROLL PROGRESS BAR
   ========================================================================== */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: linear-gradient(90deg, #d99b26 0%, #f59e0b 50%, #e8a838 100%);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 10000;
  pointer-events: none;
  transition: transform 0.08s linear;
}

/* ==========================================================================
   2. NAVBAR & HEADER POLISH
   ========================================================================== */
.site-header {
  transition: background-color 0.35s ease, height 0.35s var(--ease-smooth), box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 22px rgba(6, 17, 36, 0.07);
}

.nav-link {
  position: relative;
  transition: color 0.22s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-amber-primary, #d99b26);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s var(--ease-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* ==========================================================================
   3.  BRAND ACCENTS & SECTION TAGS
   ========================================================================== */
.section-tag .tag-line {
  transform-origin: left;
  transition: transform 0.5s var(--ease-smooth), width 0.5s var(--ease-smooth);
}

.section-tag.is-revealed .tag-line {
  transform: scaleX(1);
}

/* ==========================================================================
   4. BUTTON INTERACTIONS 
   ========================================================================== */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform 0.24s var(--ease-smooth),
              box-shadow 0.24s var(--ease-smooth),
              background-color 0.22s ease,
              border-color 0.22s ease,
              color 0.22s ease;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0px) scale(0.98);
  transition-duration: 0.1s;
}

.btn i {
  display: inline-block;
  transition: transform 0.24s var(--ease-smooth);
}

.btn:hover i.fa-arrow-right,
.btn:hover i.fa-arrow-up-right-from-square,
.btn:hover i.fa-paper-plane,
.btn:hover i.fa-chevron-right {
  transform: translateX(3.5px);
}

.btn-amber:hover {
  box-shadow: var(--shadow-btn-hover);
}

.btn-navy:hover {
  box-shadow: var(--shadow-navy-hover);
}

/* Amber Shimmer Sweep */
.btn-amber::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transform: skewX(-20deg);
  transition: none;
}

.btn-amber:hover::after {
  left: 160%;
  transition: left 0.75s var(--ease-smooth);
}

/* ==========================================================================
   5. CARDS PHYSICAL ELEVATION
   ========================================================================== */
.service-box,
.service-card,
.service-detail-card,
.capability-card,
.category-card,
.cat-gallery-item,
.facility-card,
.machine-card,
.area-card-item,
.process-detail-card,
.step-card-row,
.value-pillar-card,
.trust-card,
.why-choose-card,
.partner-card,
.sidebar-feature-card,
.sidebar-process-card,
.sidebar-help-card,
.gallery-item,
.quote-card-wrapper {
  transition: transform 0.32s var(--ease-smooth),
              box-shadow 0.32s var(--ease-smooth),
              border-color 0.28s ease,
              background-color 0.28s ease;
  will-change: transform, box-shadow;
}

.service-box:hover,
.service-card:hover,
.service-detail-card:hover,
.capability-card:hover,
.category-card:hover,
.cat-gallery-item:hover,
.facility-card:hover,
.machine-card:hover,
.area-card-item:hover,
.process-detail-card:hover,
.value-pillar-card:hover,
.why-choose-card:hover,
.sidebar-feature-card:hover,
.sidebar-process-card:hover,
.sidebar-help-card:hover,
.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(217, 155, 38, 0.38);
}


.step-card-row:hover {
  transform: translateX(4px);
  border-color: rgba(217, 155, 38, 0.38);
  box-shadow: 0 4px 16px rgba(6, 17, 36, 0.06);
}


.category-card .cat-img-box,
.category-card .category-img-box,
.gallery-img-box,
.service-detail-card .service-card-image,
.facility-card .facility-image-box,
.machine-card .machine-img-box,
.process-detail-card .process-card-image-box,
.sidebar-hangtag-visual,
.sidebar-help-card .help-card-media {
  overflow: hidden;
  border-radius: inherit;
}

.category-card img,
.cat-gallery-item img,
.gallery-img-box img,
.service-detail-card .service-card-image img,
.facility-card .facility-image-box img,
.machine-card .machine-img-box img,
.process-detail-card .process-card-image-box img,
.sidebar-hangtag-visual img,
.sidebar-help-card .help-card-media img {
  transition: transform 0.48s var(--ease-smooth), filter 0.48s ease;
  will-change: transform;
}

.category-card:hover img,
.cat-gallery-item:hover img,
.gallery-item:hover .gallery-img-box img,
.service-detail-card:hover .service-card-image img,
.facility-card:hover .facility-image-box img,
.machine-card:hover .machine-img-box img,
.process-detail-card:hover .process-card-image-box img,
.sidebar-feature-card:hover .sidebar-hangtag-visual img,
.sidebar-help-card:hover .help-card-media img {
  transform: scale(1.035);
  filter: brightness(1.02);
}

/* ==========================================================================
   6. PROCESS
   ========================================================================== */
.step-badge-large,
.process-step-num,
.flow-step-thumb {
  transition: transform 0.32s var(--ease-smooth), box-shadow 0.32s ease, border-color 0.32s ease;
}

.process-detail-card:hover .step-badge-large {
  transform: scale(1.06);
  box-shadow: 0 4px 12px rgba(217, 155, 38, 0.32);
}

.flow-step-item.is-active-step .flow-step-thumb {
  border-color: var(--color-amber-primary, #d99b26);
  box-shadow: 0 0 0 3px rgba(217, 155, 38, 0.28);
  transform: scale(1.06);
}

.flow-step-item.is-active-step .flow-step-label {
  color: var(--color-amber-darker, #b47d18);
  font-weight: 800;
}

/* ==========================================================================
   7. FORM CONTROLS 
   ========================================================================== */
.quote-input,
.quote-select,
.quote-textarea,
.form-input,
.form-textarea {
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease;
}

.quote-input:focus,
.quote-select:focus,
.quote-textarea:focus,
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-amber-primary, #d99b26) !important;
  box-shadow: 0 0 0 3px rgba(217, 155, 38, 0.16) !important;
  background-color: #ffffff !important;
}

.file-drop-zone {
  transition: border-color 0.26s ease, background-color 0.26s ease, transform 0.26s var(--ease-smooth);
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
  border-color: var(--color-amber-primary, #d99b26) !important;
  background-color: rgba(217, 155, 38, 0.05) !important;
  transform: scale(1.004);
}

/* ==========================================================================
   8. MOBILE RESPONSIVENESS 
   ========================================================================== */
@media (max-width: 768px) {
  .service-box:hover,
  .service-card:hover,
  .service-detail-card:hover,
  .capability-card:hover,
  .category-card:hover,
  .cat-gallery-item:hover,
  .facility-card:hover,
  .machine-card:hover,
  .area-card-item:hover,
  .process-detail-card:hover,
  .value-pillar-card:hover,
  .sidebar-feature-card:hover,
  .sidebar-process-card:hover,
  .sidebar-help-card:hover,
  .gallery-item:hover {
    transform: translateY(-2px);
  }

  .step-card-row:hover {
    transform: translateX(0);
  }

  .category-card:hover img,
  .cat-gallery-item:hover img,
  .gallery-item:hover .gallery-img-box img,
  .service-detail-card:hover .service-card-image img {
    transform: scale(1.015);
  }
}

/* ==========================================================================
   9. ACCESSIBILITY 
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .scroll-progress-bar {
    display: none !important;
  }
}