/* ============================================================
   mass-weighing.css — Mass & Weighing Calibration Service Page
   ============================================================ */

/* ── Hero ─────────────────────────────────────────────────── */
.mass-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
  background: var(--gradient-hero);
}

.mass-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.mass-hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(hsl(210,70%,35%) 1px, transparent 1px),
    linear-gradient(90deg, hsl(210,70%,35%) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.mass-hero-blob-1 {
  position: absolute;
  top: 25%;
  right: 0;
  width: 44rem;
  height: 44rem;
  background: rgba(30,90,160,0.08);
  border-radius: 50%;
  filter: blur(4rem);
  animation: mass-float-1 8s ease-in-out infinite;
  pointer-events: none;
}

.mass-hero-blob-2 {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32rem;
  height: 32rem;
  background: rgba(6,182,212,0.08);
  border-radius: 50%;
  filter: blur(4rem);
  animation: mass-float-2 10s ease-in-out infinite;
  pointer-events: none;
}

@keyframes mass-float-1 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(40px, -30px); }
}

@keyframes mass-float-2 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-30px, 20px); }
}

/* Floating scale icons */
.mass-floating-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mass-float-icon {
  position: absolute;
  color: rgba(30,90,160,0.1);
  animation: mass-icon-float 5s ease-in-out infinite;
}

@keyframes mass-icon-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-18px) rotate(6deg); }
  66%       { transform: translateY(-9px) rotate(-6deg); }
}

.mass-hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 56rem;
  margin: 0 auto;
  padding: 5rem 1.5rem 8rem;
  text-align: center;
}

.mass-hero-title {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--foreground);
  margin-bottom: 1.5rem;
}

.mass-hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted-foreground);
  max-width: 40rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.mass-hero-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8rem;
  background: linear-gradient(to top, var(--background), transparent);
  pointer-events: none;
}

/* ── Instrument Scroll Cards ──────────────────────────────── */
.mass-scroll-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(30,90,160,0.3) transparent;
  padding-bottom: 1rem;
  cursor: grab;
  user-select: none;
}

.mass-scroll-container:active { cursor: grabbing; }

.mass-scroll-container::-webkit-scrollbar { height: 4px; }
.mass-scroll-container::-webkit-scrollbar-track { background: transparent; }
.mass-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(30,90,160,0.3);
  border-radius: 2px;
}

.mass-scroll-wrapper {
  display: flex;
  gap: 1.25rem;
  padding: 0.5rem 0.25rem 0.5rem;
  width: max-content;
}

.mass-scroll-card {
  position: relative;
  width: 280px;
  flex-shrink: 0;
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--card);
  border: 1px solid rgba(var(--border-rgb, 210,220,230), 0.5);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  overflow: hidden;
}

.mass-scroll-card:hover {
  border-color: rgba(30,90,160,0.4);
  box-shadow: 0 8px 32px rgba(30,90,160,0.12);
  transform: translateY(-4px);
}

.mass-card-gradient {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(30,90,160,0.05), rgba(6,182,212,0.05));
  opacity: 0;
  transition: opacity 0.3s;
}

.mass-scroll-card:hover .mass-card-gradient { opacity: 1; }

.mass-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, hsl(195,85%,45%), hsl(210,70%,55%));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: #fff;
  transition: transform 0.3s;
  box-shadow: 0 4px 16px rgba(30,90,160,0.25);
}

.mass-scroll-card:hover .mass-card-icon { transform: scale(1.1); }


.mass-scroll-card:hover  { opacity: 1; }

.mass-arrow {
  display: inline-block;
  animation: mass-arrow-bounce 1.5s ease-in-out infinite;
}

@keyframes mass-arrow-bounce {
  0%, 100% { transform: translateX(0); }
  50%       { transform: translateX(6px); }
}

/* ── Process Timeline ─────────────────────────────────────── */
.mass-process-container {
  max-width: 48rem;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mass-process-line {
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform-origin: top;
  transform: scaleY(0);
  transition: transform 1.5s ease-out;
}

.mass-process-line.visible { transform: scaleY(1); }

.mass-process-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.mass-process-icon {
  position: relative;
  z-index: 10;
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, hsl(195,85%,45%), hsl(210,70%,55%));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 4px 20px rgba(30,90,160,0.3);
}

.mass-process-content { padding-top: 0.5rem; }

/* ── Why Choose Cards ─────────────────────────────────────── */
.mass-why-card {
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.mass-why-card:hover {
  border-color: rgba(30,90,160,0.3);
  box-shadow: 0 8px 32px rgba(30,90,160,0.1);
  transform: translateY(-4px);
}

.mass-why-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: rgba(30,90,160,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
  transition: transform 0.3s, background 0.3s;
}

.mass-why-card:hover .mass-why-icon {
  transform: scale(1.1);
  background: rgba(30,90,160,0.2);
}

.mass-why-card:hover h3 { color: var(--primary); }

/* ── CTA Section ──────────────────────────────────────────── */
.mass-cta-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.mass-cta-icon-inner {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: rgba(30,90,160,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: mass-cta-rock 2.5s ease-in-out infinite;
}

@keyframes mass-cta-rock {
  0%, 100% { transform: rotate(0deg); }
  25%       { transform: rotate(8deg); }
  75%       { transform: rotate(-8deg); }
}

.mass-cta-link {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.mass-cta-link:hover { color: var(--primary); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .mass-hero-content { padding: 4rem 1rem 6rem; }
  .mass-hero-title   { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  .mass-scroll-card  { width: 240px; }
  .mass-process-line { left: 1.75rem; }
  .mass-process-icon { width: 3.5rem; height: 3.5rem; }
}

@media (max-width: 480px) {
  .mass-scroll-card  { width: 220px; }
  .mass-process-step { gap: 1rem; }
}