/* user_agreement.php — static CSS (no Tailwind CDN) */
*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}
html{line-height:1.5;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#1f2937}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:inherit}
ol,ul{margin:0;padding:0}
h2,h3,p{margin:0}

:root{
  --aviation-blue:#1E5A8C;
  --aviation-light:#A7C7E7;
  --aviation-accent:#FF9500;
  --aviation-runway:#E8E8E8;
  --aviation-dark:#122E4B;
}

@keyframes planeFly{
  0%{transform:translateX(-100%) translateY(0)}
  100%{transform:translateX(100vw) translateY(-20%)}
}
@keyframes pulseSoft{
  0%,100%{opacity:1}
  50%{opacity:.7}
}

body{
  min-height:100vh;
  background-color:var(--aviation-runway);
  background-image:url('data:image/svg+xml,%3Csvg width="84" height="48" viewBox="0 0 84 48" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h12v6H0V0zm28 8h12v6H28V8zm14-8h12v6H42V0zm14 0h12v6H56V0zm0 8h12v6H56V8zM42 8h12v6H42V8zm0 16h12v6H42v-6zm14-8h12v6H56v-6zm14 0h12v6H70v-6zm0 16h12v6H70v-6zM28 32h12v6H28v-6zM14 16h12v6H14v-6zM0 24h12v6H0v-6zm0 8h12v6H0v-6zm14 0h12v6H14v-6zm14 8h12v6H28v-6zm-14 0h12v6H14v-6zm28 0h12v6H42v-6zm14-8h12v6H56v-6zm0-8h12v6H56v-6zm14 8h12v6H70v-6zm0 8h12v6H70v-6zM14 24h12v6H14v-6zm14-8h12v6H28v-6zM14 8h12v6H14V8zM0 8h12v6H0V8z" fill="%23A7C7E7" fill-opacity="0.1" fill-rule="evenodd"/%3E%3C/svg%3E');
}

.animate-plane-fly{animation:planeFly 20s linear infinite}
.animate-pulse-soft{animation:pulseSoft 4s cubic-bezier(.4,0,.6,1) infinite}

.aviation-card{
  background:#fff;border-radius:.75rem;
  box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
  overflow:hidden;transition:all .3s;
  border:1px solid rgba(167,199,231,.3)
}
.aviation-card:hover{box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1)}
.section-title{color:var(--aviation-blue);font-weight:700;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;letter-spacing:.01em;margin-bottom:1rem;display:flex;align-items:center}
.protocol-section{margin-bottom:2rem}
.protocol-section:last-child{margin-bottom:0}
.protocol-list{list-style-type:disc;padding-left:1.5rem}
.protocol-list>:not([hidden])~:not([hidden]){margin-top:.5rem}
.protocol-list,.protocol-list li{color:#374151}
.protocol-list.list-decimal{list-style-type:decimal}

.container{width:100%;margin-left:auto;margin-right:auto}
@media(min-width:640px){.container{max-width:640px}}
@media(min-width:768px){.container{max-width:768px}}
@media(min-width:1024px){.container{max-width:1024px}}
@media(min-width:1280px){.container{max-width:1280px}}

.fixed{position:fixed}
.relative{position:relative}
.top-20{top:5rem}
.left-0{left:0}
.z-0{z-index:0}
.z-10{z-index:10}
.pointer-events-none{pointer-events:none}
.opacity-10{opacity:.1}
.inline-flex{display:inline-flex}
.flex{display:flex}
.items-center{align-items:center}
.justify-center{justify-content:center}
.w-20{width:5rem}
.h-20{height:5rem}
.max-w-2xl{max-width:42rem}
.max-w-4xl{max-width:56rem}
.mx-auto{margin-left:auto;margin-right:auto}
.mr-2{margin-right:.5rem}
.mr-3{margin-right:.75rem}
.mt-4{margin-top:1rem}
.mt-10{margin-top:2.5rem}
.mb-3{margin-bottom:.75rem}
.mb-4{margin-bottom:1rem}
.mb-6{margin-bottom:1.5rem}
.p-8{padding:2rem}
.px-4{padding-left:1rem;padding-right:1rem}
.px-8{padding-left:2rem;padding-right:2rem}
.py-3{padding-top:.75rem;padding-bottom:.75rem}
.py-10{padding-top:2.5rem;padding-bottom:2.5rem}
.py-12{padding-top:3rem;padding-bottom:3rem}
.pt-6{padding-top:1.5rem}
.text-center{text-align:center}
.text-sm{font-size:.875rem;line-height:1.25rem}
.text-lg{font-size:1.125rem;line-height:1.75rem}
.text-2xl{font-size:1.5rem;line-height:2rem}
.text-3xl{font-size:1.875rem;line-height:2.25rem}
.text-4xl{font-size:2.25rem;line-height:2.5rem}
.font-bold{font-weight:700}
.font-roboto-condensed{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;letter-spacing:.01em}
.drop-shadow-md{filter:drop-shadow(0 4px 3px rgba(0,0,0,.07)) drop-shadow(0 2px 2px rgba(0,0,0,.06))}
.underline{text-decoration:underline}
.rounded-lg{border-radius:.5rem}
.rounded-full{border-radius:9999px}
.border-t{border-top-width:1px}
.border-gray-200{border-color:#e5e7eb}
.shadow-md{box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1)}
.transition-colors{transition:color .15s,background-color .15s,border-color .15s}

.text-white{color:#fff}
.text-white\/80{color:rgba(255,255,255,.8)}
.text-white\/90{color:rgba(255,255,255,.9)}
.text-gray-500{color:#6b7280}
.text-gray-700{color:#374151}
.text-aviation-blue{color:var(--aviation-blue)}
.text-aviation-accent{color:var(--aviation-accent)}

.bg-white\/20{background-color:rgba(255,255,255,.2)}
.bg-aviation-blue{background-color:var(--aviation-blue)}
.bg-gradient-to-r{background-image:linear-gradient(to right,var(--tw-gradient-stops))}
.from-aviation-blue{--tw-gradient-from:#1E5A8C;--tw-gradient-to:rgba(30,90,140,0);--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}
.to-aviation-dark{--tw-gradient-to:#122E4B}

.hover\:bg-aviation-dark:hover{background-color:var(--aviation-dark)}
.hover\:text-aviation-dark:hover{color:var(--aviation-dark)}
.hover\:shadow-lg:hover{box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1)}

@media(min-width:768px){
  .md\:p-10{padding:2.5rem}
  .md\:text-4xl{font-size:2.25rem;line-height:2.5rem}
}