:root {
  /* Brand palette */
  --c-brand-950: #e1e6fc;
  --c-brand-900: #0e2c8c;
  --c-brand-800: #143a99;
  --c-brand-700: #1c47b0;
  --c-brand-600: #2a55c8;
  --c-brand-500: #2c4bc1;
  --c-brand-400: #5877ff;
  --c-brand-300: #8a9eff;
  --c-brand-200: #c0cdff;
  --c-brand-100: #e3e9ff;
  --c-brand-050: #eef2ff;


  /* Neutrals */
  --c-ink-900: #0d1326;
  --c-ink-800: #1a2236;
  --c-ink-700: #2c3447;
  --c-ink-600: #475061;
  --c-ink-500: #6b7280;
  --c-ink-400: #9aa1ad;
  --c-ink-300: #c7ccd6;
  --c-ink-200: #e2e6ee;
  --c-ink-100: #f1f3f8;
  --c-ink-050: #f7f8fc;
  --c-white: #ffffff;

  /* Semantic */
  --c-bg: #ffffff;
  --c-bg-a: var(--c-brand-950);
  --c-bg-soft: #f7f8fc;
  --c-text: var(--c-ink-800);
  --c-text-muted: var(--c-ink-500);
  --c-border: #e3e7f0;
  --c-link: var(--c-brand-600);

  /* Surfaces */
  --surface-card: #ffffff;
  --surface-soft: linear-gradient(180deg, #f4f7ff 0%, #ffffff 100%);
  --surface-hero: linear-gradient(135deg, #0a1e5e 0%, #143a99 55%, #1c47b0 100%);

  /* Type scale */
  --font-base: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --fs-12: 0.75rem;
  --fs-13: 0.8125rem;
  --fs-14: 0.875rem;
  --fs-15: 0.9375rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-22: 1.375rem;
  --fs-24: 1.5rem;
  --fs-28: 1.75rem;
  --fs-32: 2rem;
  --fs-36: 2.25rem;
  --fs-44: 2.75rem;
  --fs-52: 3.25rem;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-7: 32px;
  --sp-8: 40px;
  --sp-9: 48px;
  --sp-10: 64px;
  --sp-12: 80px;
  --sp-14: 96px;
  --sp-16: 120px;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-pill: 999px;

  /* Shadow */
  --sh-1: 0 1px 2px rgba(13, 19, 38, 0.04), 0 1px 1px rgba(13, 19, 38, 0.03);
  --sh-2: 0 4px 12px rgba(13, 19, 38, 0.06), 0 2px 4px rgba(13, 19, 38, 0.04);
  --sh-3: 0 12px 32px rgba(13, 19, 38, 0.10), 0 4px 12px rgba(13, 19, 38, 0.06);
  --sh-glow: 0 0 0 4px rgba(58, 92, 255, 0.16);

  /* Layout */
  --container: 1200px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 160ms;
  --t-base: 260ms;
  --t-slow: 420ms;
}

/* ---------- 2. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-16);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* img, svg, picture, video { display: block; max-width: 100%; height: auto; } */
img { font-style: italic; }
img-fluid{max-width: 100%; height: auto;}
a { color: var(--c-link); text-decoration: none; transition: color var(--t-fast) var(--ease-out); }
a:hover { color: var(--c-brand-800); }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.25; color: var(--c-ink-900); letter-spacing: -0.01em; }
p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
:focus-visible { outline: 3px solid var(--c-brand-300); outline-offset: 2px; border-radius: var(--r-sm); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- 3. Container & Sections ---------- */
/* .container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }*/
.container{width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;}

section{
	padding-block: clamp(38px, 8vw, 48px);
}
.section-head { margin-bottom: clamp(32px, 5vw, 56px); }
.section-head--center { text-align: center; margin-inline: auto; }
.section-head--light h2,
.section-head--light .section-lead { color: var(--c-white); }
.section-head h2 {
  font-size: clamp(1.625rem, 1.2rem + 1.6vw, 2.25rem);
  font-weight: 800;
  margin-bottom: var(--sp-4);
  text-align: center;
}
.section-head .section-lead {
  color: var(--c-text-muted);
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem);
  line-height: 1.75;
  margin-inline: auto;
}
.section-head--light .section-lead { color: rgba(255,255,255,0.82); }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 12px 28px;
  font-size: var(--fs-15);
  font-weight: 600;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  transition: transform var(--t-fast) var(--ease-out), background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  text-align: center;
  user-select: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { position: relative; background: var(--c-brand-500); color: var(--c-white); box-shadow: 0 6px 18px rgba(58, 92, 255, 0.32);  }

.btn-primary:hover { background: var(--c-brand-600); color: var(--c-white); box-shadow: 0 10px 24px rgba(58, 92, 255, 0.4); }
.btn-outline { background: transparent; color: var(--c-brand-500); border-color: var(--c-brand-500); }
.btn-outline:hover { background: var(--c-brand-500); color: var(--c-white); }
.btn-outline--light { color: var(--c-white); border-color: rgba(255,255,255,0.7); }
.btn-outline--light:hover { background: var(--c-white); color: var(--c-brand-700); border-color: var(--c-white); }
.btn-light { background: var(--c-white); color: var(--c-brand-700); border-color: var(--c-white); }
.btn-light:hover { background: var(--c-brand-050); color: var(--c-brand-800); }

.cta-row { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-top: var(--sp-8); justify-content: center; }
.cta-row--center { justify-content: center; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--c-white);
  overflow: hidden;
  isolation: isolate;
  padding-block: 0;
}
.hero img:last-child{display: none;}

/* ---------- 6. Intro ---------- */
.intro { background: var(--c-bg); padding-block: clamp(40px, 6vw, 64px); }
.intro p { font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem); line-height: 1.85; color: var(--c-ink-700); margin-bottom: var(--sp-4); }
.intro p:last-child { margin-bottom: 0; }

/* ---------- 7. Types ---------- */
.types { background: var(--c-bg-soft); }
.types-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.5vw, 28px); }
.type-card {

  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out), border-color var(--t-base);
  position: relative;
  
  background: var(--c-bg-a);


}

.type-card:hover { box-shadow: var(--sh-3); border-color: var(--c-brand-200); background: var(--c-brand-500);}
.type-card:hover h3,.type-card:hover p{ color: var(--c-white);}
.type-card-body { padding: clamp(24px, 3vw, 36px); }
.type-card h3 { color: var(--c-brand-700); font-size: var(--fs-20); margin-bottom: var(--sp-3); }
.type-card p { color: var(--c-text-muted); line-height: 1.75; font-size: var(--fs-15); margin: 0; }
.types .btn-primary{padding: 10px 80px 10px 50px;}

.types .btn-primary img{position: absolute; bottom: 0; right: 0;}
/* ---------- 8. Solution / TABS ---------- */
.solution { background: var(--c-bg); }

.tabs { display: block; }
.tabs-nav-wrap {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 2vw, 40px);
  flex-wrap: wrap;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding: 8px;

  border-radius: var(--r-pill);
  max-width: 820px;
  margin-inline: auto;
}
.tab-btn {
	position: relative;
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 12px 22px;
  background: var(--c-bg-a);
  color: var(--c-ink-600);
  border: 0;
  border-radius: var(--r-pill);
  font-size: var(--fs-15);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
  position: relative;
  white-space: nowrap;
}

.tab-btn .tab-icon { display: inline-flex; transition: transform var(--t-base) var(--ease-out); }
.tab-btn .tab-icon img:last-child{
	display: none;
}
.tab-btn:hover { color: var(--c-brand-500); background: rgba(58, 92, 255, 0.08); }
.tab-btn.is-active {
  background: var(--c-brand-500);
  color: var(--c-white);
  box-shadow: 0 8px 22px rgba(58, 92, 255, 0.35);
}
.tab-btn.is-active::after{
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -15px;
	margin: 0 auto;
	width:0;height:0;
	  border-left:17px solid transparent;
	  border-right:17px solid transparent;
	  border-top:15px solid var(--c-brand-500);
	transition: color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.tab-btn.is-active .tab-icon img:first-child{display: none;}
.tab-btn.is-active .tab-icon img:last-child{ display: block;}
/* Tab panels */
.tabs-panels { position: relative; }
.tab-panel {
  display: none;
  animation: fadeUp 0.45s var(--ease-out);
}
.tab-panel.is-active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-summary { margin-bottom: clamp(20px, 3vw, 32px); }
.panel-summary p { font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem); line-height: 1.85; color: var(--c-ink-700); margin: 0; }

.panel-media {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3vw, 40px);
  justify-content: space-between;
  align-items: center;
  
  margin-bottom: clamp(24px, 4vw, 40px);
  background: linear-gradient(180deg, var(--c-white) 0%, var(--c-brand-050) 100%);
  border: 1px solid #d7ddf9;
  border-radius: var(--r-lg);
}

.panel-points {flex:1; display: grid; gap: var(--sp-4);
padding-left: var(--fs-20);}
.panel-points li {
  display: flex; gap: var(--sp-3); align-items: flex-start;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--c-ink-700);
}
.point-marker {
 
  margin-top: 2px;
}

.panel-callout {
  

  box-shadow: var(--sh-2);

}
.panel-callout img { 
	height: 300px; 
	object-fit: cover;
	border-radius: var(--r-lg);}

.panel-subtitle {
  font-size: clamp(1.125rem, 1rem + 0.4vw, 1.375rem);
 
  margin-bottom: clamp(16px, 2vw, 24px);
  padding-left: var(--sp-3);
  border-left: 4px solid var(--c-brand-500);
}

/* Process steps – vertical (cement) */
.process-steps { display: grid; gap: 0; }
.process-step {
  
  padding: clamp(18px, 2.5vw, 24px) 0;
  border-bottom: 1px solid var(--c-border);
  transition: background var(--t-fast);
}
.process-step:first-child { padding-top: 0; }
.process-step:last-child { border-bottom: 0; padding-bottom: 0; }

.process-body h4 { color: var(--c-ink-900); font-size: var(--fs-16); margin-bottom: var(--sp-2); }
.process-body p { color: var(--c-text-muted); font-size: var(--fs-15); line-height: 1.75; margin: 0; }

/* Process grid – 2x2 (construction) */
.process-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(14px, 2vw, 22px); }
.process-tile {
  background: linear-gradient(180deg, var(--c-white) 0%, var(--c-brand-050) 100%);
  border: 1px solid var(--c-brand-100);
  border-radius: var(--r-md);
  padding: clamp(20px, 3vw, 28px);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base), border-color var(--t-base);
  position: relative;
  overflow: hidden;
}
.process-tile:hover { transform: translateY(-3px); box-shadow: var(--sh-3); border-color: var(--c-brand-300); }
.process-tile .process-num { margin-bottom: var(--sp-3); }
.process-tile h4 { color: var(--c-brand-700); font-size: var(--fs-18); margin-bottom: var(--sp-2); }
.process-tile p { color: var(--c-text-muted); font-size: var(--fs-15); line-height: 1.7; margin: 0; }

/* Calcium flow – horizontal with arrows */
.calcium-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}
.calcium-step {
  flex: 1 1 180px;
  background: linear-gradient(180deg, var(--c-brand-050) 0%, var(--c-white) 100%);
  border: 1px solid var(--c-brand-100);
  border-radius: var(--r-md);
  padding: clamp(18px, 2.5vw, 24px);
  position: relative;
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base);
}
.calcium-step:hover { transform: translateY(-3px); box-shadow: var(--sh-3); }

.calcium-step h4 { color: var(--c-ink-900); font-size: var(--fs-15); font-weight: 600; line-height: 1.5; margin: 0; }
.calcium-arrow {
  align-self: center;
  color: var(--c-brand-500);
  font-size: clamp(1.5rem, 1rem + 1vw, 2rem);
  font-weight: 700;
  padding: 0 var(--sp-1);
  user-select: none;
}

/* ---------- 9. Equipment Section ---------- */
.equipment {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(56px, 8vw, 96px);
}
.equipment-bg {
  position: absolute; inset: 0;
 
  background: linear-gradient(to bottom, var(--c-brand-500) 50%, #f5f7fa 50%);
  z-index: -2;
}
.equipment-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(900px 500px at 10% 10%, rgba(255,255,255,0.08), transparent 60%),
    radial-gradient(900px 500px at 90% 90%, rgba(255,255,255,0.06), transparent 60%);
  z-index: -1;
}
.equipment .section-head { margin-bottom: clamp(36px, 5vw, 56px); }
.equipment-grid {
	display: flex;
	flex-wrap: wrap;
    align-items: stretch; 

}
.equipmentItemBg{
	background: linear-gradient(135deg, #fff, #e1e6fc);
}

.equipment-content{
	padding: var(--fs-32);
	width: 33.33%;
}
.equipment-content .btn-primary{
	width: 100%;
	text-align: center;
	display: block;

}
.equipment-content .btn-primary img{
	padding-right: var(--fs-16);
}

.equipment-content p {

  font-size: var(--fs-15);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}
.equipment-list {
  display: grid;
  gap: var(--sp-3);
  margin: var(--sp-6) 0;
}
.equipment-list li {
  display: flex; align-items: center; gap: var(--sp-3);
  font-size: var(--fs-15);
  font-weight: 500;
}
.equipment-check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  background: var(--c-brand-500);
  color: var(--c-white);
  border-radius: 50%;
  flex-shrink: 0;
}
.equipment-showcase {
  display: grid;
  width: 33.33%;
}

.equipment-label {
  position: absolute;
  right: 0;
  top: 0;
  writing-mode: vertical-rl;
  color: var(--c-white);
  font-size: var(--fs-16);
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 20px 15px;
  clip-path: polygon(
      0 0,
      100% 0,
      100% 92%,
      100% 100%,
      0 97%
    );
    border-bottom-left-radius: 20px;
	background: var(--c-brand-500);
}
.equipment-img { display: flex; align-items: flex-end; justify-content: center;  }
.equipment-img img { width: auto; object-fit: contain; filter: drop-shadow(0 16px 32px rgba(0,0,0,0.25)); }

/* ---------- 10. Advantages ---------- */
.advantages { background: var(--c-bg-soft); }
.advantages-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(14px, 1.5vw, 20px); }
.advantage-card {
  background: var(--surface-card);
  border: 1px solid var(--c-border);
  border-top-right-radius: 10%;
  border-bottom-left-radius: 10%;
  padding: clamp(20px, 2.5vw, 28px) clamp(16px, 2vw, 22px);
  text-align: center;
  box-shadow: var(--sh-1);
  transition: margin var(--t-base) var(--ease-out), box-shadow var(--t-base) !important;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.advantage-card:hover { margin-top: -10px; box-shadow: var(--sh-3); background: linear-gradient(to bottom,#fff 20%,#e2e6fc 100%);}
.advantage-icon {
  width: 64px; height: 64px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-brand-050);
  color: var(--c-brand-500);
  border-radius: 50%;
  margin-bottom: var(--sp-4);
  transition: background var(--t-base), color var(--t-base);
}
.advantage-card:hover .advantage-icon { background: var(--c-brand-500); color: var(--c-white); }
.advantage-card h3 { font-size: var(--fs-16); margin-bottom: var(--sp-3); }
.advantage-card p { font-size: var(--fs-13); line-height: 1.6; color: var(--c-text-muted); margin: 0; }

/* ---------- 11. Cases – PSD masonry layout ---------- */
.cases{
	background: url(/static/images/special/gypsum/caseBg.jpg) no-repeat;
	background-size: cover;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: clamp(14px, 2vw, 24px);
  align-items: stretch;
}
.case-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-card);
  box-shadow: var(--sh-2);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); }
.case-card:nth-child(1) { grid-column: 1; grid-row: 1; }
.case-card:nth-child(2) { grid-column: 1; grid-row: 2; }
.case-card:nth-child(3) { grid-column: 2; grid-row: 1 / 3; }
.case-card:nth-child(4) { grid-column: 3; grid-row: 1; }
.case-card:nth-child(5) { grid-column: 3; grid-row: 2; }
.case-img {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--c-ink-100);
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}
.case-card:hover .case-img img { transform: scale(1.05); }
.case-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: rgba(13, 19, 38, 0.72);
  color: var(--c-white);
  font-size: var(--fs-14);
  font-weight: 500;
  text-align: center;
}

/* ---------- 12. Scroll Reveal Animation ---------- */
@keyframes revealFadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
}
.reveal.is-visible {
  animation: revealFadeUp 0.7s var(--ease-out) forwards;
}
.reveal--delay-1.is-visible { animation-delay: 0.1s; }
.reveal--delay-2.is-visible { animation-delay: 0.2s; }
.reveal--delay-3.is-visible { animation-delay: 0.3s; }
.reveal--delay-4.is-visible { animation-delay: 0.4s; }

/* ---------- 13. EPC ---------- */
.epc {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: url(/static/images/special/gypsum/epcBg.png) no-repeat bottom;
}
.epc h2{
	color: var(--c-text);
}

.epc .section-lead { color: rgba(255,255,255,0.85); }
.epc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 24px); }
.epc-card {
  background: var(--c-bg);
  border: 1px solid var(--c-brand-500);
  border-radius: var(--r-lg);
  padding: clamp(24px, 3vw, 32px) clamp(20px, 2.5vw, 28px);
  
 
}
.epc-card:hover { }
.epc-num {
  display: inline-block;
  font-size: clamp(2.5rem, 1.5rem + 3vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 0%, #8a9eff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--sp-3);
  letter-spacing: -0.04em;
}
.epc-card h3 { font-size: var(--fs-18); margin-bottom: var(--sp-3); }
.epc-card p {  font-size: var(--fs-14); line-height: 1.7; margin: 0; }
.epc .btn-primary{background: linear-gradient(to right,#375deb,#e15051); padding: 10px 80px 10px 50px;}

.epc .btn-primary img{position: absolute; bottom: 0; right: 0;}
/* ===================================================================
   RESPONSIVE BREAKPOINTS
   =================================================================== */

/* --- Large tablet / small desktop (≤1199px) --- */
@media (max-width: 1659px){
	.equipment-list{display: none;}
	.calcium-flow{gap: var(--sp-1);}
}
@media (max-width: 1199.98px) {
  .container { max-width: 100%; }
  .advantages-grid { grid-template-columns: repeat(3, 1fr); }
  
  .advantage-card:last-child {  max-width: 360px; margin-inline: auto; }
  .calcium-flow{gap: var(--sp-3);}
  .panel-media{justify-content: center; padding: 30px 0;}
  .panel-points{width: 100%;flex:inherit;}
  .panel-callout img{height: auto; width: 100%;}
 .equipment-content{width: 100%;}
 .equipment-list{display: grid;}
  .equipment-showcase { width: 50%; }
}

/* --- Tablet (≤991px) --- */
@media (max-width: 991.98px) {
  .types-grid { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .type-card--featured .type-card-body { padding-top: 0; }

  .case-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .case-card { grid-column: auto !important; grid-row: auto !important; }
  .case-img { aspect-ratio: 4 / 3; }
  .epc-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .tabs-nav-wrap { max-width: 640px; }
  .tab-btn { padding: 10px 16px; font-size: var(--fs-14); }
   .equipment-grid { grid-template-columns: 1fr; }
}

/* --- Mobile (≤767px) --- */
@media (max-width: 767.98px) {
  .hero img:last-child{display: block;}
  .hero img:first-child{display: none;}
  .hero-features { gap: 12px 24px; }
  .hero-features li { font-size: var(--fs-14); }

  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-card:last-child { grid-column: span 2; max-width: 360px; margin-inline: auto; }

  .process-step { grid-template-columns: 56px 1fr; gap: var(--sp-3); padding: 16px 0; }
  .process-step .process-num { width: 44px; height: 44px; font-size: var(--fs-16); }
  .process-body h4 { font-size: var(--fs-16); }

  .calcium-flow { flex-direction: column; }
  .calcium-arrow { transform: rotate(90deg); padding: 4px 0; align-self: center; }
  .calcium-step { flex: 1 1 auto; }

  .equipment-showcase { width: 100%; }

  .case-grid { grid-template-columns: 1fr; grid-template-rows: auto; max-width: 480px; margin-inline: auto; }
  .case-img { aspect-ratio: 4 / 3; }
  .epc-grid { grid-template-columns: 1fr; }
}

/* --- Small mobile (≤479px) --- */
@media (max-width: 479.98px) {
  .hero-title { font-size: clamp(1.5rem, 1.2rem + 2.2vw, 2rem); }
  .hero-features { flex-direction: column; align-items: center; gap: 10px; }
  .section-head h2 { font-size: clamp(1.375rem, 1.1rem + 1.4vw, 1.75rem); }
  .btn { padding: 10px 22px; font-size: var(--fs-14); }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .tab-btn { padding: 10px 12px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .advantage-card:last-child { grid-column: span 1; max-width: none; }
}

/* ---------- 14. Accessibility & Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; }
}
@media (prefers-color-scheme: dark) {
  /* Light theme only – explicit override for predictable brand colors */
  body { color-scheme: light; }
}
