/* ==========================================================
   DUA Container Line – UI enhancements
   Load AFTER style.css. Uses existing design tokens only.
   ========================================================== */

:root {
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-card: 0 12px 30px hsla(228, 49%, 30%, 0.12);
  --shadow-card-hover: 0 22px 44px hsla(228, 49%, 30%, 0.22);
}

/* ---------- Scroll reveal (only active when JS is running) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-soft), transform 0.7s var(--ease-soft);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
.js .reveal-left  { transform: translateX(-36px); }
.js .reveal-right { transform: translateX(36px); }
.js .reveal.in-view { opacity: 1; transform: none; }

/* ---------- Header ---------- */
.header { transition: box-shadow var(--transition), padding var(--transition); }
.header.scrolled {
  box-shadow: 0 6px 24px hsla(0, 0%, 0%, 0.25);
  padding-block: 8px;
}
.navbar-link { position: relative; }
@media (min-width: 992px) {
  .navbar-link::after {
    content: "";
    position: absolute;
    left: 15px; right: 15px; bottom: 6px;
    height: 2px;
    background: var(--dark-orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-soft);
  }
  .navbar-link:is(:hover, :focus)::after { transform: scaleX(1); }
}

/* ---------- Hero: slow zoom + gentle parallax + entrance ---------- */
.hero { overflow: hidden; }
.hero::before,
.hero::after { content: ""; position: absolute; }
.hero::before {
  inset: -6% 0;
  background-image: inherit;          /* reuses the inline hero image */
  background-size: cover;
  background-position: center;
  z-index: -1;
  translate: 0 var(--hero-shift, 0px);
  animation: heroZoom 22s ease-in-out infinite alternate;
}
.hero::after {
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, hsla(228, 49%, 20%, 0.78) 0%, hsla(228, 49%, 20%, 0.35) 55%, hsla(0, 0%, 0%, 0.25) 100%);
}
@keyframes heroZoom { from { scale: 1; } to { scale: 1.08; } }

.hero-title,
.hero .btn-outline {
  animation: fadeUp 0.9s var(--ease-soft) both;
}
.hero .btn-outline { animation-delay: 0.25s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}

.btn-outline { transition: var(--transition), transform 0.3s var(--ease-soft), box-shadow 0.3s; }
.btn-outline:is(:hover, :focus) {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px hsla(36, 100%, 50%, 0.35);
}

/* ---------- Section headings: accent rule ---------- */
.section-title { position: relative; }
.service .section-title::after,
.pcargo .section-title::after {
  content: "";
  display: block;
  width: 60px; height: 3px;
  margin-top: 14px;
  background: var(--dark-orange);
  border-radius: 2px;
}
.service .section-title::after { margin-inline: auto; }

/* ---------- Service section ---------- */
.service {
  background-image: linear-gradient(180deg, var(--alice-blue) 0%, hsl(203, 60%, 94%) 100%);
}
.service-card {
  position: relative;
  height: 100%;
  border-width: 14px;
  box-shadow: var(--shadow-card);
  transition: var(--transition), transform 0.35s var(--ease-soft), box-shadow 0.35s var(--ease-soft);
}
.service-card:is(:hover, :focus-within) {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}
.service-card .card-icon img { transition: transform 0.4s var(--ease-soft); }
.service-card:hover .card-icon img { transform: scale(1.08) translateY(-2px); }

/* ---------- About / images ---------- */
.about-banner { overflow: hidden; border-radius: 4px; }
.about-banner img { transition: transform 0.8s var(--ease-soft); }
.about-banner:hover img { transform: scale(1.05); }
.about-item { transition: transform 0.3s var(--ease-soft); }
.about-item:hover { transform: translateX(6px); }

/* ---------- Footer ---------- */
.social-link { transition: var(--transition), transform 0.3s var(--ease-soft); }
.social-link:is(:hover, :focus) {
  background-color: var(--dark-orange);
  transform: translateY(-4px);
}
.footer iframe { border-radius: 4px; box-shadow: var(--shadow-card); max-width: 100%; }

/* ==========================================================
   PROJECT CARGO
   ========================================================== */
.pcargo {
  position: relative;
  background-color: var(--white);
  overflow: hidden;
}
.pcargo .container { display: grid; gap: 50px; align-items: center; }

.pcargo-media { position: relative; padding: 0 16px 16px 0; }
.pcargo-media::before {              /* offset orange frame */
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: 70%; height: 70%;
  border: 3px solid var(--dark-orange);
  z-index: 0;
}
.pcargo-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--prussian-blue), hsl(228, 49%, 45%));
  box-shadow: var(--shadow-card-hover);
}
.pcargo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-soft);
}
.pcargo-frame:hover img { transform: scale(1.06); }
.pcargo-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, hsla(228, 49%, 15%, 0.55));
  pointer-events: none;
}
.pcargo-badge {
  position: absolute;
  z-index: 2;
  left: 20px; bottom: 36px;
  background: var(--dark-orange);
  color: var(--white);
  font-family: var(--ff-oswald);
  font-weight: var(--fw-600);
  font-size: var(--fs-9);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
}

.pcargo-content .section-text { margin-inline: 0; margin-block-end: 20px; max-width: 62ch; }

.pcargo-features {
  display: grid;
  gap: 16px;
  margin-block: 28px 36px;
}
.pcargo-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--alice-blue);
  border-left: 3px solid var(--dark-orange);
  transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}
.pcargo-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.pcargo-feature ion-icon { font-size: 28px; color: var(--dark-orange); min-width: 28px; }
.pcargo-feature h3 {
  font-family: var(--ff-oswald);
  font-size: var(--fs-8);
  color: var(--prussian-blue);
  line-height: 1.2;
}
.pcargo-feature p { font-size: var(--fs-9); line-height: 1.4; margin-top: 4px; }

.pcargo-cta { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.pcargo-cta .btn { transition: var(--transition), transform 0.3s var(--ease-soft); }
.pcargo-cta .btn:hover { transform: translateY(-3px); }
.pcargo-cta .btn-link { color: var(--prussian-blue); }

@media (min-width: 540px) {
  .pcargo-features { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 992px) {
  .pcargo .container { grid-template-columns: 1.1fr 1fr; gap: 70px; }
}

/* ---------- Respect reduced-motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}