/* Astra Aviation website. Same design language as the app: deck navy, aviation blue, Inter, status colours kept for status. */
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../fonts/inter-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../fonts/inter-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+2020,U+20A0-20AB,U+20AD-20C0,U+2C60-2C7F,U+A720-A7FF}
:root{--deck:#0a1a30;--deck2:#10243f;--deck3:#173156;--sky:#5cb8ff;--blue:#0b5cad;--blue-h:#094d92;--fg:#0b1625;--muted:#55657a;--bg:#fff;--bg2:#f4f6fa;--line:#e1e7ef;
--ok:#1b7a43;--bad:#a3262a;--r:12px;--sans:Inter,system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--shadow:0 1px 2px rgba(16,36,63,.05),0 4px 14px rgba(16,36,63,.07);--shadow-lg:0 30px 70px rgba(4,14,30,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--sans);color:var(--fg);background:var(--bg);font-feature-settings:'cv11','ss01';-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:var(--blue)}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}.narrowwrap{width:min(780px,100% - 2.5rem)}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:100}.skip:focus{left:1rem}
:focus-visible{outline:2px solid var(--sky);outline-offset:3px;border-radius:4px}
h1,h2,h3{letter-spacing:-.025em;line-height:1.15;margin:0}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:1rem}h3{font-size:1.08rem;letter-spacing:-.01em;margin-bottom:.4rem}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 .8rem}
.center{text-align:center}.sub{color:var(--muted);max-width:44rem;margin:0 auto 2.5rem;font-size:1.06rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font:inherit;font-weight:600;font-size:.95rem;padding:.6rem 1.1rem;border-radius:10px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:var(--blue-h)}
.btn.ghost{color:inherit;border-color:rgba(255,255,255,.25)}.btn.ghost:hover{border-color:var(--sky)}
.btn.lg{padding:.85rem 1.4rem;font-size:1rem}.btn.wide{width:100%}
.btn:active{transform:translateY(1px)}

/* header */
.top{position:sticky;top:0;z-index:30;background:rgba(10,26,48,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;gap:2rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-weight:600;font-size:.82rem;letter-spacing:.17em}.brand b{color:var(--sky);font-weight:800}
.logo{width:28px;height:28px;color:var(--sky)}
.links{display:flex;gap:1.6rem;margin-inline-start:auto}.links a{color:#c8d4e5;text-decoration:none;font-size:.93rem}.links a:hover{color:#fff}
.navcta{display:flex;gap:.6rem;align-items:center}.navcta .small{padding:.4rem .75rem;font-size:.85rem}
.menu{display:none;margin-inline-start:auto;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .2s}
.menu[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.mnav{display:flex;flex-direction:column;padding:.5rem 1.25rem 1.25rem;gap:.2rem}.mnav[hidden]{display:none}
.mnav a{color:#e3ebf6;text-decoration:none;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.07)}.mnav .btn{margin-top:.8rem;border:0}

/* hero */
.hero{background:radial-gradient(900px 520px at 85% 15%,rgba(92,184,255,.18),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(11,92,173,.35),transparent 60%),linear-gradient(180deg,var(--deck),#081527);color:#fff;padding:5rem 0 6rem;position:relative;overflow:hidden}
.hero::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:48px 48px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.herogrid{display:grid;grid-template-columns:1fr 1.15fr;gap:3.5rem;align-items:center;position:relative}
.hero .eyebrow{color:var(--sky)}
.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);font-weight:750;margin-bottom:1.2rem}
.hl{background:linear-gradient(90deg,#8fd0ff,var(--sky));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.13rem;color:#c8d4e5;max-width:34rem;margin:0 0 2rem}
.cta{display:flex;gap:.8rem;flex-wrap:wrap}
.ticks{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:.5rem;color:#c8d4e5;font-size:.95rem}
.ticks li{display:flex;gap:.6rem;align-items:baseline}.ticks li::before{content:'';flex:none;width:.5rem;height:.5rem;border-radius:50%;background:var(--sky);transform:translateY(-1px)}
.ticks.light{color:var(--muted)}.ticks.light li::before{background:var(--blue)}
.heroshot{position:relative}
.frame{border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,.08)}
.frame .bar{display:flex;align-items:center;gap:6px;padding:.55rem .8rem;background:#eef2f7;border-bottom:1px solid #dde4ed}
.frame .bar i{width:10px;height:10px;border-radius:50%;background:#cfd8e3}.frame .bar span{margin-inline-start:.8rem;font-size:.72rem;color:#6a7a8f;background:#fff;padding:.12rem .7rem;border-radius:6px}
.phone{position:absolute;width:30%;max-width:210px;right:-4%;bottom:-14%;border-radius:26px;border:6px solid #050c18;box-shadow:var(--shadow-lg)}

.strip{background:#081527;border-top:1px solid rgba(255,255,255,.06);padding:1.1rem 0}
.stripgrid{display:flex;flex-wrap:wrap;gap:.6rem 2.2rem;justify-content:center;color:#7f93ae;font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}

/* sections */
.sec{padding:6rem 0}.sec.alt{background:var(--bg2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.sec p{color:var(--muted);font-size:1.04rem}
.checklist{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:1rem}
.checklist li{padding-inline-start:1.9rem;position:relative;color:var(--muted)}
.checklist li::before{content:'';position:absolute;inset-inline-start:0;top:.3rem;width:1.15rem;height:1.15rem;border-radius:50%;background:#e3eefa url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230b5cad' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/80% no-repeat}
.checklist b{display:block;color:var(--fg);font-weight:650}
.shot{margin:0}.shot img{border-radius:var(--r);box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.shot.tall img{max-width:440px;margin-inline:auto}.shot img.narrow{max-width:280px;margin-inline:auto;border-radius:28px;border:6px solid #050c18}
figcaption{text-align:center;color:var(--muted);font-size:.88rem;margin-top:1rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.fcard:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(16,36,63,.06),0 12px 28px rgba(16,36,63,.1)}
.fcard svg{width:40px;height:40px;padding:8px;border-radius:10px;background:#e3eefa;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-bottom:1rem}
.fcard p{font-size:.95rem;margin:0}

.tabs{display:flex;justify-content:center;gap:.4rem;margin:1.5rem 0 2.5rem;flex-wrap:wrap}
.tabs button{font:inherit;font-weight:600;font-size:.95rem;padding:.55rem 1.15rem;border-radius:99px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer}
.tabs button[aria-selected=true]{background:var(--deck);color:#fff;border-color:var(--deck)}
.pane[hidden]{display:none}

.sec.dark{background:linear-gradient(180deg,var(--deck),#081527);color:#fff}.sec.dark .eyebrow{color:var(--sky)}
.sec.dark .fcard{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.09);box-shadow:none}.sec.dark .fcard p{color:#c8d4e5}
.cards.three{grid-template-columns:repeat(3,1fr);margin-top:2.5rem}

.steps{list-style:none;padding:0;margin:3rem 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;counter-reset:s}
.steps li{counter-increment:s;background:var(--bg2);border-radius:var(--r);padding:1.6rem;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:1rem}
.steps b{display:block;font-size:1.1rem;margin-bottom:.3rem}.steps span{color:var(--muted)}

details{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:.7rem;padding:0 1.3rem;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:600;padding:1.1rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}summary::after{content:'+';font-size:1.4rem;line-height:1;color:var(--blue);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}details p{margin:0 0 1.2rem}

/* demo form */
.sec.demo{background:var(--bg2)}
.dform{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.8rem;box-shadow:var(--shadow)}
.dform .two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.dform label{display:block;font-size:.85rem;font-weight:600;margin:.9rem 0 .3rem}.dform label small{font-weight:400;color:var(--muted)}
.dform input,.dform select,.dform textarea{width:100%;font:inherit;padding:.65rem .8rem;border:1px solid #c3cfdd;border-radius:10px;background:#fff;color:var(--fg)}
.dform input:focus,.dform select:focus,.dform textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #e3eefa}
.dform [aria-invalid=true]{border-color:var(--bad)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fine{font-size:.82rem!important;margin:1rem 0}
.fmsg{margin:.8rem 0 0;font-weight:600;min-height:1.4em}.fmsg.ok{color:var(--ok)}.fmsg.bad{color:var(--bad)}

/* footer */
.foot{background:#06101f;color:#9fb0c6;padding:3.5rem 0 2rem;font-size:.92rem}
.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
.foot h4{color:#fff;margin:0 0 .8rem;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}
.foot a{color:#c8d4e5;text-decoration:none;display:block;margin:.35rem 0}.foot a:hover{color:#fff}.foot .brand{display:flex;margin:0 0 1rem}.foot p a{display:inline}
.legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.07);margin-top:2.5rem;padding-top:1.5rem;font-size:.8rem;color:#7f93ae}

@media (max-width:980px){
  .links,.navcta{display:none}.menu{display:flex}
  .herogrid,.split{grid-template-columns:1fr;gap:2.5rem}.hero{padding:3.5rem 0 5rem}
  .phone{right:2%;bottom:-10%;width:26%}
  .cards,.cards.three,.steps{grid-template-columns:1fr 1fr}.footgrid{grid-template-columns:1fr 1fr}
  .sec{padding:4.5rem 0}
}
@media (max-width:620px){.cards,.cards.three,.steps,.footgrid,.dform .two{grid-template-columns:1fr}.dform .two{gap:0}.dform{padding:1.3rem}.cta .btn{flex:1 1 100%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.split>*,.herogrid>*{min-width:0}.shot.tall img{width:100%}
/* live demo window */
.tryframe{position:relative;max-width:1100px;margin:0 auto;aspect-ratio:16/10;border-radius:16px;overflow:hidden;background:radial-gradient(600px 300px at 70% 20%,rgba(92,184,255,.2),transparent 60%),linear-gradient(180deg,var(--deck),#081527);box-shadow:0 30px 70px -30px rgba(10,26,48,.55);border:1px solid rgba(10,26,48,.15)}
.tryframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#f4f6fa}
.tryload{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:.8rem;color:#c8d4e5;text-align:center;padding:1rem}
@media (max-width:860px){.tryframe{aspect-ratio:auto;min-height:220px}}

.cta.center{justify-content:center;margin-top:2.2rem}
.sec .fine{font-size:.85rem;margin-top:1rem}
#adastra .cta{margin-top:1.8rem}
.links a,.navcta .btn{white-space:nowrap}
@media (max-width:1180px){.links{gap:1.1rem}.links a[href="#security"],.links a[href="#faq"]{display:none}}
@media (max-width:1300px){.links a[href="#checks"]{display:none}}