:root{
  --primary:#1a63ff;
  --secondary:#10b981;
  --accent:#f59e0b;
  --dark:#0f172a;
  --light:#f8fafc;
  --border:#e2e8f0;
  --radius:18px;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Inter,system-ui,-apple-system,sans-serif;
}

body{
  background:var(--light);
  color:var(--dark);
  line-height:1.6;
}

/* HEADER */
.header{
  position:fixed;
  top:0;
  width:100%;
  backdrop-filter:blur(10px);
  background:rgba(255,255,255,.4);
  border-bottom:1px solid var(--border);
  border-bottom-color:rgba(255,255,255,.4);
  z-index:1000;
}

.nav-container{
  max-width:1200px;
  margin:auto;
  padding:1rem 2rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo{
  font-size:1.7rem;
  font-weight:800;
  color:var(--primary);
  text-decoration:none;
}

.phone-number{
  font-weight:600;
  text-decoration:none;
  color:var(--dark);
}

/* HERO */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:7rem 2rem 3rem;
  background:url('../images/airlines.jpg') center/cover no-repeat;
  position:relative;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(15,23,42,.7);
}

.hero-content{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  max-width:1200px;
  width:100%;
  align-items:center;
  color:white;
}

.hero-text h1{
  font-size:3.2rem;
  margin-bottom:1.5rem;
}

.features-list{
  list-style:none;
}

.features-list li{
  margin-bottom:.7rem;
  font-size:1.2rem;
}

.features-list li::before{
  content:"✓ ";
  color:var(--secondary);
  font-weight:700;
}

.special-offer{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(10px);
  padding:2rem;
  border-radius:var(--radius);
  text-align:center;
}

.cta-button{
  display:inline-block;
  margin-top:1rem;
  background:var(--secondary);
  color:white;
  padding:1rem 2rem;
  border-radius:50px;
  text-decoration:none;
  font-weight:700;
  transition:.2s;
}

.cta-button:hover{
  transform:scale(1.05);
}

/* CARDS */
.support-features{
  padding:4rem 2rem;
}

.support-grid{
  max-width:1200px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:2rem;
}

.support-card{
  background:white;
  border-radius:var(--radius);
  padding:2rem;
  text-align:center;
  border:1px solid var(--border);
  transition:.25s;
}

.support-card:hover{
  transform:translateY(-6px);
  box-shadow:0 10px 25px rgba(0,0,0,.08);
}

.support-card img{
  width:70px;
  margin-bottom:1rem;
}

/* AIRLINES */
.airlines{
  background:#f1f5f9;
  padding:4rem 2rem;
}

.airlines-container{
  max-width:1200px;
  margin:auto;
}

.airlines-header{
  text-align:center;
  margin-bottom:2rem;
}

.airlines-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:1.5rem;
}

.airline-card{
  background:white;
  border-radius:var(--radius);
  padding:2rem;
  text-align:center;
  border:1px solid var(--border);
  position:relative;
  transition:.25s;
}

.airline-card:hover{
  transform:translateY(-5px);
}

.airline-card .number{
  position:absolute;
  bottom:10px;
  right:14px;
  font-size:3rem;
  opacity:.08;
  font-weight:800;
}

/* SUPPORT SECTION */
.support{
  padding:4rem 2rem;
  background:linear-gradient(135deg,#2563eb,#10b981);
  color:white;
}

.support-container{
  max-width:1200px;
  margin:auto;
  display:grid;
  gap:2rem;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}

.support-item{
  background:rgba(255,255,255,.15);
  padding:2rem;
  border-radius:var(--radius);
}

/* DISCLAIMER */
.disclaimer{
  padding:2rem;
  text-align:center;
  font-size:.9rem;
}

/* FOOTER */
.footer{
  background:#020617;
  color:white;
  text-align:center;
  padding:2rem 1rem 8rem;
}

.footer a{
  color:white;
  opacity:.8;
  text-decoration:none;
  margin:0 .5rem;
}

/* FLOATING CTA */
.cta-floating{
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  background:var(--secondary);
  color:white;
  padding:1rem 1.5rem;
  border-radius:14px;
  text-align:center;
  box-shadow:0 10px 25px rgba(0,0,0,.25);
  z-index:999;
}

.cta-content{
  display:flex;
  align-items:center;
  gap:.6rem;
  justify-content:center;
}

.cta-content img{
  width:42px;
}

.cta-content span{
  font-size:1.5rem;
  font-weight:700;
}

/* POPUP */
.popup-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  z-index:9998;
}

.popup{
  position:fixed;
  inset:0;
  background:white;
  z-index:9999;
  display:flex;
  justify-content:center;
  align-items:center;
}

.popup-content{
  text-align:center;
  padding:2rem;
}

.popup-close{
  position:absolute;
  top:15px;
  right:20px;
  border:none;
  background:none;
  font-size:2rem;
  cursor:pointer;
}

.popup-call-circle{
  width:90px;
  height:90px;
  border-radius:50%;
  background:var(--primary);
  display:flex;
  justify-content:center;
  align-items:center;
  margin:1rem auto;
}

/* MOBILE */
@media(max-width:768px){
  .hero-content{
    grid-template-columns:1fr;
    text-align:center;
  }

  .hero-text h1{
    font-size:2.4rem;
  }
}