/* =====================================================
   AIRCRAFT PROPULSION PAGE — DISTINCT PRODUCT STYLE
===================================================== */

.ap-page{
  background:
    radial-gradient(circle at top right, rgba(31,56,99,.28), transparent 35%),
    linear-gradient(180deg,#071A2E,#0A223A,#071A2E);
  color:var(--white);
}

/* =====================================================
   HERO
===================================================== */

.ap-hero{
  position:relative;
  min-height:auto;
  display:flex;
  align-items:center;
  overflow:hidden;
  padding:140px 0 90px;
}

.ap-grid-bg{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:90px 90px;
  mask-image:linear-gradient(to bottom, black 20%, transparent 100%);
  pointer-events:none;
}

.ap-hero-glow{
  position:absolute;
  width:780px;
  height:780px;
  right:-260px;
  top:45%;
  transform:translateY(-50%);
  border-radius:50%;
  background:radial-gradient(circle, rgba(242,82,0,.16), rgba(31,56,99,.28), transparent 70%);
  filter:blur(85px);
}

.ap-hero-container{
  position:relative;
  z-index:3;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:74px;
  align-items:center;
}

/* LEFT */

.ap-hero-copy{
  max-width:620px;
}

.ap-hero-copy h1{
  max-width:620px;
  margin-bottom:24px;
  font-size:clamp(3rem,5.2vw,6.1rem);
  line-height:.98;
  letter-spacing:-2px;
}

.ap-hero-copy p{
  max-width:560px;
  color:var(--textLight);
  font-size:1.05rem;
  line-height:1.75;
}

.ap-hero-actions{
  margin-top:34px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

/* STATS */

.ap-hero-stats{
  margin-top:42px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  max-width:590px;
}

.ap-hero-stats div{
  min-height:110px;
  padding:20px 18px;
  border-radius:22px;
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.10), transparent 36%),
    rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.08);
  transition:.32s ease;
}

.ap-hero-stats div:hover{
  transform:translateY(-6px);
  border-color:rgba(242,82,0,.34);
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.16), transparent 38%),
    rgba(255,255,255,.065);
  box-shadow:0 22px 60px rgba(0,0,0,.24);
}

.ap-hero-stats strong{
  display:block;
  margin-bottom:8px;
  color:var(--accent);
  font-size:1rem;
  line-height:1.25;
}

.ap-hero-stats span{
  display:block;
  color:var(--white);
  font-size:.9rem;
  line-height:1.45;
  font-weight:600;
}

/* =====================================================
   RIGHT ENGINE BLUEPRINT CARD
===================================================== */

.ap-engine-hero-card{
  position:relative;
  min-height:560px;
  padding:38px;
  border-radius:40px;
  overflow:hidden;
  background:
    radial-gradient(circle at 70% 48%, rgba(242,82,0,.16), transparent 25%),
    radial-gradient(circle at 30% 70%, rgba(31,56,99,.38), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.035));
  border:1px solid rgba(242,82,0,.26);
  box-shadow:0 42px 110px rgba(0,0,0,.34);
  backdrop-filter:blur(18px);
  transition:.35s ease;
}

.ap-engine-hero-card:hover{
  transform:translateY(-8px);
  border-color:rgba(242,82,0,.48);
  box-shadow:
    0 48px 120px rgba(0,0,0,.38),
    0 0 70px rgba(242,82,0,.12);
}

.ap-engine-hero-card::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(circle, black 25%, transparent 76%);
  pointer-events:none;
}

.ap-card-header{
  position:relative;
  z-index:2;
  max-width:560px;
}

.ap-card-header span{
  display:block;
  margin-bottom:18px;
  color:var(--accent);
  font-size:.74rem;
  font-weight:700;
  letter-spacing:3px;
  text-transform:uppercase;
}

.ap-card-header strong{
  display:block;
  max-width:520px;
  color:var(--white);
  font-size:clamp(1.6rem,2.3vw,2.5rem);
  line-height:1.14;
}

/* Mini engine */

.ap-mini-engine{
  position:relative;
  z-index:2;
  height:310px;
  margin-top:34px;
}

.ap-engine-line{
  position:absolute;
  left:7%;
  right:7%;
  top:50%;
  height:2px;
  background:linear-gradient(90deg, transparent, rgba(242,82,0,.85), transparent);
  box-shadow:0 0 28px rgba(242,82,0,.35);
}

.ap-engine-node{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:118px;
  min-height:92px;
  padding:16px;
  border-radius:22px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.12), transparent 36%),
    rgba(255,255,255,.065);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 24px 70px rgba(0,0,0,.28);
  transition:.32s ease;
}

.ap-engine-node:hover{
  transform:translateY(-58%);
  border-color:rgba(242,82,0,.42);
  box-shadow:
    0 28px 80px rgba(0,0,0,.32),
    0 0 45px rgba(242,82,0,.10);
}

.ap-engine-node small{
  display:block;
  margin-bottom:10px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:2px;
  font-size:.7rem;
}

.ap-engine-node span{
  color:var(--white);
  font-size:.88rem;
  font-weight:600;
}

.ap-engine-node.intake{ left:0; }
.ap-engine-node.compressor{ left:20%; top:37%; }
.ap-engine-node.combustor{
  left:40%;
  width:136px;
  min-height:112px;
  border-color:rgba(242,82,0,.42);
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.24), transparent 42%),
    rgba(255,255,255,.075);
}
.ap-engine-node.turbine{ left:63%; top:37%; }
.ap-engine-node.nozzle{ right:0; }

/* bottom data */

.ap-card-bottom{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.ap-card-bottom div{
  padding:18px;
  border-radius:20px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.08);
}

.ap-card-bottom small{
  display:block;
  margin-bottom:8px;
  color:var(--accent);
  font-size:.7rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.ap-card-bottom strong{
  color:var(--white);
  font-size:.9rem;
  line-height:1.45;
}

/* =====================================================
   SNAPSHOT
===================================================== */

.ap-snapshot-section{
  padding:42px 0 110px;
  background:#071A2E;
}

.ap-snapshot-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.ap-snapshot-grid article{
  padding:28px;
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.032));
  border:1px solid rgba(255,255,255,.09);
  box-shadow:0 28px 70px rgba(0,0,0,.22);
  transition:.32s ease;
}

.ap-snapshot-grid article:hover{
  transform:translateY(-6px);
  border-color:rgba(242,82,0,.34);
}

.ap-snapshot-grid span{
  display:block;
  margin-bottom:14px;
  color:var(--accent);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.ap-snapshot-grid h3{
  margin-bottom:10px;
  font-size:1.25rem;
}

.ap-snapshot-grid p{
  margin:0;
  max-width:none;
  color:var(--textLight);
  font-size:.92rem;
  line-height:1.62;
}

/* =====================================================
   COMMON HEADING
===================================================== */

.ap-section-heading{
  max-width:960px;
  margin:0 auto;
  text-align:center;
}

.ap-section-heading h2,
.ap-section-heading p{
  text-align:center;
}

.ap-section-heading p{
  max-width:760px;
  margin:0 auto;
  color:var(--textLight);
}

/* =====================================================
   ENGINE FLOW MAP
===================================================== */

.ap-engine-map-section{
  padding:120px 0;
  background:
    radial-gradient(circle at 25% 35%, rgba(31,56,99,.36), transparent 32%),
    linear-gradient(180deg,#071A2E,#081E34,#071A2E);
}

.ap-flow-board{
  margin-top:78px;
  position:relative;
  padding:44px;
  border-radius:42px;
  background:
    radial-gradient(circle at center, rgba(242,82,0,.10), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
  border:1px solid rgba(255,255,255,.09);
  box-shadow:0 38px 100px rgba(0,0,0,.28);
}

.ap-flow-path{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
}

.ap-flow-path::before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  top:42px;
  height:2px;
  background:linear-gradient(90deg, transparent, rgba(242,82,0,.8), transparent);
  box-shadow:0 0 26px rgba(242,82,0,.26);
}

.ap-flow-path article{
  position:relative;
  min-height:260px;
  padding:32px 24px;
  border-radius:30px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.09);
  transition:.32s ease;
}

.ap-flow-path article:hover{
  transform:translateY(-8px);
  border-color:rgba(242,82,0,.36);
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.14), transparent 38%),
    rgba(255,255,255,.07);
}

.ap-flow-path article.highlight{
  border-color:rgba(242,82,0,.42);
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.18), transparent 40%),
    rgba(255,255,255,.075);
}

.ap-flow-path span{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-bottom:26px;
  border-radius:50%;
  color:var(--accent);
  background:#071A2E;
  border:1px solid rgba(242,82,0,.42);
  font-weight:700;
}

.ap-flow-path h3{
  margin-bottom:12px;
  font-size:1.2rem;
}

.ap-flow-path p{
  margin:0;
  max-width:none;
  color:var(--textLight);
  font-size:.92rem;
  line-height:1.62;
}

/* =====================================================
   LEARNING STACK
===================================================== */

.ap-learning-section{
  padding:120px 0;
  background:#071A2E;
}

.ap-learning-container{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:80px;
  align-items:center;
}

.ap-learning-copy h2{
  max-width:720px;
  margin-bottom:22px;
}

.ap-learning-copy p{
  max-width:620px;
  color:var(--textLight);
}

.ap-learning-stack{
  display:grid;
  gap:18px;
}

.ap-learning-stack article{
  padding:28px;
  border-radius:26px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.1);
  transition:.32s ease;
}

.ap-learning-stack article:hover{
  transform:translateX(-8px);
  border-color:rgba(242,82,0,.36);
}

.ap-learning-stack span{
  display:block;
  margin-bottom:12px;
  color:var(--accent);
  font-size:.74rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.ap-learning-stack h3{
  margin-bottom:8px;
}

.ap-learning-stack p{
  margin:0;
  max-width:none;
  color:var(--textLight);
  font-size:.96rem;
  line-height:1.68;
}

/* =====================================================
   MISSION TIMELINE
===================================================== */

.ap-mission-section{
  padding:120px 0;
  background:
    radial-gradient(circle at 78% 30%, rgba(242,82,0,.12), transparent 25%),
    linear-gradient(180deg,#071A2E,#081E34,#071A2E);
}

.ap-mission-timeline{
  margin-top:78px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}

.ap-mission-timeline article{
  position:relative;
  min-height:340px;
  padding:34px;
  border-radius:34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.078), rgba(255,255,255,.032));
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 30px 80px rgba(0,0,0,.24);
  transition:.32s ease;
}

.ap-mission-timeline article:hover{
  transform:translateY(-8px);
  border-color:rgba(242,82,0,.36);
}

.ap-mission-timeline small{
  display:block;
  margin-bottom:22px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.ap-mission-timeline h3{
  margin-bottom:14px;
  font-size:1.3rem;
}

.ap-mission-timeline p{
  margin:0;
  max-width:none;
  color:var(--textLight);
  font-size:.95rem;
  line-height:1.68;
}

/* =====================================================
   OUTPUT
===================================================== */

.ap-output-section{
  padding:120px 0;
  background:
    radial-gradient(circle at center, rgba(242,82,0,.13), transparent 25%),
    linear-gradient(180deg,#081E34,#071A2E);
}

.ap-output-card{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:70px;
  align-items:center;
  padding:72px;
  border-radius:44px;
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.16), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 42px 110px rgba(0,0,0,.34);
}

.ap-output-copy h2{
  max-width:780px;
  margin-bottom:22px;
}

.ap-output-copy p{
  max-width:680px;
  color:var(--textLight);
}

.ap-output-actions{
  margin-top:38px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.ap-output-list{
  display:grid;
  gap:14px;
}

.ap-output-list div{
  display:grid;
  grid-template-columns:48px 1fr;
  gap:16px;
  align-items:center;
  padding:18px;
  border-radius:22px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.08);
  transition:.32s ease;
}

.ap-output-list div:hover{
  transform:translateX(8px);
  border-color:rgba(242,82,0,.36);
  background:
    radial-gradient(circle at top right, rgba(242,82,0,.13), transparent 38%),
    rgba(255,255,255,.07);
}

.ap-output-list strong{
  display:flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:50%;
  color:var(--accent);
  background:rgba(242,82,0,.1);
  border:1px solid rgba(242,82,0,.28);
}

.ap-output-list span{
  color:var(--white);
  font-size:.96rem;
  line-height:1.45;
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media(max-width:1150px){

  .ap-hero-container,
  .ap-learning-container,
  .ap-output-card{
    grid-template-columns:1fr;
    gap:60px;
  }

  .ap-engine-hero-card{
    min-height:520px;
  }

  .ap-snapshot-grid,
  .ap-mission-timeline{
    grid-template-columns:repeat(2,1fr);
  }

  .ap-flow-path{
    grid-template-columns:1fr;
  }

  .ap-flow-path::before{
    display:none;
  }

  .ap-flow-path article{
    min-height:auto;
  }
}

@media(max-width:800px){

  .ap-hero{
    padding:130px 0 80px;
  }

  .ap-hero-copy h1{
    font-size:clamp(3rem,16vw,5rem);
  }

  .ap-hero-stats,
  .ap-snapshot-grid,
  .ap-mission-timeline,
  .ap-card-bottom{
    grid-template-columns:1fr;
  }

  .ap-engine-hero-card{
    min-height:auto;
    padding:30px 24px;
  }

  .ap-mini-engine{
    height:auto;
    display:grid;
    gap:14px;
    margin-top:30px;
  }

  .ap-engine-line{
    display:none;
  }

  .ap-engine-node,
  .ap-engine-node.intake,
  .ap-engine-node.compressor,
  .ap-engine-node.combustor,
  .ap-engine-node.turbine,
  .ap-engine-node.nozzle{
    position:relative;
    left:auto;
    right:auto;
    top:auto;
    width:100%;
    min-height:auto;
    transform:none;
  }

  .ap-engine-node:hover{
    transform:none;
  }

  .ap-flow-board,
  .ap-output-card{
    padding:34px 24px;
  }

  .ap-learning-stack article:hover,
  .ap-output-list div:hover{
    transform:none;
  }
}

@media(max-width:520px){

  .ap-hero-copy h1{
    font-size:clamp(2.6rem,15vw,4rem);
    letter-spacing:-1px;
  }

  .ap-output-actions{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* =====================================================
   DESIGN INTENSITY SECTION
===================================================== */

.ap-intensity-section{
  padding:120px 0;
  background:
    radial-gradient(circle at 76% 36%, rgba(242,82,0,.12), transparent 28%),
    radial-gradient(circle at 20% 70%, rgba(31,56,99,.38), transparent 34%),
    linear-gradient(180deg,#071A2E,#081E34,#071A2E);
}

.ap-intensity-grid{
  margin-top:76px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.ap-intensity-grid article{
  position:relative;
  min-height:340px;
  padding:36px;
  border-radius:34px;
  overflow:hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.078), rgba(255,255,255,.032));
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 30px 80px rgba(0,0,0,.24);
  transition:.35s ease;
}

.ap-intensity-grid article::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-110px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(242,82,0,.14), transparent 68%);
  pointer-events:none;
}

.ap-intensity-grid article:hover{
  transform:translateY(-8px);
  border-color:rgba(242,82,0,.38);
  box-shadow:
    0 36px 92px rgba(0,0,0,.32),
    0 0 48px rgba(242,82,0,.08);
}

.ap-intensity-grid span{
  display:block;
  margin-bottom:22px;
  color:var(--accent);
  font-size:.76rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.ap-intensity-grid h3{
  margin-bottom:16px;
  font-size:clamp(1.45rem,2.1vw,2.1rem);
  line-height:1.18;
}

.ap-intensity-grid p{
  position:relative;
  z-index:2;
  margin:0;
  max-width:none;
  color:var(--textLight);
  font-size:.96rem;
  line-height:1.7;
}

/* Responsive */
@media(max-width:1150px){
  .ap-intensity-grid{
    grid-template-columns:1fr;
  }

  .ap-intensity-grid article{
    min-height:auto;
  }
}

@media(max-width:800px){
  .ap-intensity-grid article{
    padding:30px 24px;
  }

  .ap-intensity-grid article:hover{
    transform:none;
  }
}